:root{
    --navy:#0b2545;
    --blue-900:#1e3a8a;
    --blue-700:#1d4ed8;
    --blue-600:#2563eb;
    --blue-500:#3b82f6;
    --blue-100:#dbeafe;
    --blue-50:#eff6ff;
    --green-600:#16a34a;
    --green-500:#22c55e;
    --green-400:#4ade80;
    --green-50:#f0fdf4;
    --sky-bg:linear-gradient(180deg,#cfe9ff 0%,#eaf4ff 35%,#ffffff 100%);
    --text:#0f172a;
    --muted:#475569;
    --line:#e2e8f0;
    --shadow-sm:0 1px 2px rgba(15,23,42,.06);
    --shadow:0 10px 30px rgba(30,58,138,.08);
    --shadow-lg:0 25px 60px rgba(30,58,138,.18);
    --radius:18px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:'Prompt',system-ui,-apple-system,sans-serif;
    color:var(--text);
    background:#fff;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

  /* ===== NAV ===== */
  .nav{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.85);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(30,58,138,.08);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
  .brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--blue-900)}
  .brand-mark{
    width:44px;height:44px;border-radius:12px;
    background:linear-gradient(135deg,var(--blue-700),var(--green-500));
    display:grid;place-items:center;color:#fff;font-weight:800;
    box-shadow:var(--shadow);
    font-family:'Kanit',sans-serif;
  }
  .brand-name{font-family:'Kanit',sans-serif;font-size:18px;letter-spacing:.5px}
  .brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:0}
  .nav-links{display:flex;gap:28px;align-items:center}
  .nav-links a{font-size:15px;color:var(--text);font-weight:500;position:relative;transition:color .2s}
  .nav-links a:hover{color:var(--blue-700)}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--blue-700);transition:width .25s}
  .nav-links a:hover::after{width:100%}
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--green-600);color:#fff;padding:10px 18px;border-radius:999px;
    font-weight:600;font-size:14px;box-shadow:0 6px 18px rgba(22,163,74,.35);
    transition:transform .2s,box-shadow .2s;
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(22,163,74,.45)}
  .nav-toggle{display:none;background:none;border:0;font-size:24px;color:var(--blue-900);cursor:pointer}

  /* ===== HERO ===== */
  .hero{
    position:relative;
    background:var(--sky-bg);
    padding:40px 0 0;
    overflow:hidden;
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(circle at 15% 20%, rgba(59,130,246,.25), transparent 45%),
      radial-gradient(circle at 85% 15%, rgba(34,197,94,.18), transparent 50%);
    pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;text-align:center;padding:30px 0 50px}
  .hero-eyebrow{
    display:inline-block;
    background:rgba(255,255,255,.7);
    color:var(--blue-900);
    border:1px solid rgba(30,58,138,.15);
    padding:6px 16px;border-radius:999px;
    font-size:13px;font-weight:500;margin-bottom:18px;
    backdrop-filter:blur(8px);
  }
  .hero-eyebrow .dot{display:inline-block;width:6px;height:6px;background:var(--green-500);border-radius:50%;margin-right:8px;animation:pulse 2s infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

  .hero h1{
    font-family:'Kanit',sans-serif;
    font-size:clamp(34px,5.5vw,64px);
    font-weight:800;
    line-height:1.05;
    color:var(--navy);
    letter-spacing:-1px;
    margin-bottom:14px;
  }
  .hero h1 .accent{
    background:linear-gradient(135deg,var(--green-600),var(--green-500));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{
    font-size:clamp(16px,2vw,20px);
    color:var(--muted);
    max-width:680px;margin:0 auto 32px;
  }
  .hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:50px}
  .btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:14px 28px;border-radius:999px;font-weight:600;font-size:16px;
    transition:transform .2s,box-shadow .2s;cursor:pointer;border:0;
    font-family:inherit;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--blue-700),var(--blue-600));
    color:#fff;box-shadow:0 10px 30px rgba(29,78,216,.4);
  }
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(29,78,216,.5)}
  .btn-secondary{
    background:#fff;color:var(--blue-900);border:1.5px solid var(--blue-100);
    box-shadow:var(--shadow-sm);
  }
  .btn-secondary:hover{transform:translateY(-3px);border-color:var(--blue-500);box-shadow:var(--shadow)}

  .hero-banner{
    max-width:1100px;margin:0 auto;
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--shadow-lg);
    border:6px solid #fff;
    transform:translateY(40px);
    animation:floatUp 1s ease forwards;
  }
  @keyframes floatUp{
    from{opacity:0;transform:translateY(60px)}
    to{opacity:1;transform:translateY(40px)}
  }

  /* ===== FEATURE STRIP ===== */
  .features{
    background:linear-gradient(180deg,#fff 0%,#fff 50%,var(--blue-50) 100%);
    padding:100px 0 60px;
    margin-top:-30px;
    position:relative;
  }
  .feature-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  }
  .feature-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:28px 24px;
    transition:all .3s ease;
    position:relative;overflow:hidden;
  }
  .feature-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--blue-600),var(--green-500));
    transform:scaleX(0);transform-origin:left;transition:transform .4s;
  }
  .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
  .feature-card:hover::before{transform:scaleX(1)}
  .feature-icon{
    width:52px;height:52px;border-radius:14px;
    background:linear-gradient(135deg,var(--blue-50),var(--blue-100));
    color:var(--blue-700);
    display:grid;place-items:center;
    margin-bottom:18px;
  }
  .feature-icon svg{width:26px;height:26px}
  .feature-card.green .feature-icon{
    background:linear-gradient(135deg,#dcfce7,#bbf7d0);
    color:var(--green-600);
  }
  .feature-card h3{
    font-family:'Kanit',sans-serif;
    font-size:20px;color:var(--navy);margin-bottom:8px;font-weight:600;
  }
  .feature-card p{font-size:14px;color:var(--muted);line-height:1.55}

  /* ===== SECTION HEADER ===== */
  .section-head{text-align:center;max-width:720px;margin:0 auto 50px}
  .section-tag{
    display:inline-block;color:var(--blue-700);
    font-weight:600;font-size:14px;letter-spacing:2px;
    text-transform:uppercase;margin-bottom:10px;
  }
  .section-head h2{
    font-family:'Kanit',sans-serif;
    font-size:clamp(28px,4vw,42px);
    color:var(--navy);font-weight:700;line-height:1.2;margin-bottom:14px;
  }
  .section-head p{color:var(--muted);font-size:17px}

  /* ===== SERVICES ===== */
  .services{padding:90px 0;background:var(--blue-50)}
  .services-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  }
  .service-card{
    background:#fff;border-radius:20px;padding:30px 24px;
    border:1px solid transparent;
    transition:all .35s ease;position:relative;overflow:hidden;
    box-shadow:var(--shadow-sm);
  }
  .service-card::after{
    content:"";position:absolute;top:-50px;right:-50px;
    width:140px;height:140px;border-radius:50%;
    background:radial-gradient(circle,rgba(59,130,246,.08),transparent 70%);
    transition:transform .4s;
  }
  .service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--blue-100)}
  .service-card:hover::after{transform:scale(1.3)}
  .service-card.solar::after{background:radial-gradient(circle,rgba(34,197,94,.10),transparent 70%)}

  .service-icon{
    width:64px;height:64px;border-radius:18px;
    background:linear-gradient(135deg,var(--blue-50),#fff);
    display:grid;place-items:center;
    margin-bottom:20px;position:relative;z-index:1;
    border:1px solid var(--blue-100);
  }
  .service-icon svg{width:32px;height:32px;color:var(--blue-700)}
  .service-card.solar .service-icon{
    background:linear-gradient(135deg,var(--green-50),#fff);
    border-color:#bbf7d0;
  }
  .service-card.solar .service-icon svg{color:var(--green-600)}
  .service-card h3{
    font-family:'Kanit',sans-serif;
    font-size:20px;color:var(--navy);margin-bottom:10px;font-weight:600;
    position:relative;z-index:1;
  }
  .service-card p{font-size:14.5px;color:var(--muted);line-height:1.6;position:relative;z-index:1}
  .service-tag{
    display:inline-block;font-size:11px;font-weight:600;
    padding:4px 10px;border-radius:999px;margin-bottom:14px;
    background:var(--blue-100);color:var(--blue-700);letter-spacing:.5px;
  }
  .service-card.solar .service-tag{background:#dcfce7;color:var(--green-600)}

  /* ===== WHY US ===== */
  .why{padding:90px 0;background:#fff}
  .why-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  }
  .why-visual{
    background:linear-gradient(135deg,var(--blue-700),var(--blue-900));
    border-radius:24px;padding:50px 40px;color:#fff;position:relative;overflow:hidden;
    min-height:420px;display:flex;flex-direction:column;justify-content:center;
  }
  .why-visual::before{
    content:"";position:absolute;top:-100px;right:-100px;
    width:300px;height:300px;border-radius:50%;
    background:radial-gradient(circle,rgba(34,197,94,.3),transparent 65%);
  }
  .why-visual::after{
    content:"";position:absolute;bottom:-80px;left:-80px;
    width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(59,130,246,.35),transparent 65%);
  }
  .why-badge{
    display:inline-block;background:rgba(255,255,255,.15);
    border:1px solid rgba(255,255,255,.25);
    padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;
    margin-bottom:18px;width:fit-content;backdrop-filter:blur(8px);
  }
  .why-visual h3{
    font-family:'Kanit',sans-serif;
    font-size:34px;font-weight:700;line-height:1.2;margin-bottom:14px;
    position:relative;z-index:1;
  }
  .why-visual p{font-size:16px;opacity:.9;margin-bottom:30px;position:relative;z-index:1}
  .why-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px;position:relative;z-index:1}
  .why-stat{
    background:rgba(255,255,255,.1);
    padding:18px;border-radius:14px;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.15);
  }
  .why-stat .num{font-family:'Kanit',sans-serif;font-size:30px;font-weight:700;color:var(--green-400)}
  .why-stat .label{font-size:13px;opacity:.85;margin-top:4px}

  .why-list{display:flex;flex-direction:column;gap:18px}
  .why-item{display:flex;gap:18px;align-items:flex-start}
  .why-check{
    flex-shrink:0;width:44px;height:44px;border-radius:12px;
    background:linear-gradient(135deg,var(--green-500),var(--green-600));
    color:#fff;display:grid;place-items:center;
    box-shadow:0 8px 20px rgba(22,163,74,.3);
  }
  .why-item h4{font-family:'Kanit',sans-serif;font-size:18px;color:var(--navy);margin-bottom:4px;font-weight:600}
  .why-item p{color:var(--muted);font-size:15px}

  /* ===== CTA ===== */
  .cta-section{
    padding:80px 0;
    background:linear-gradient(135deg,var(--blue-900) 0%,var(--blue-700) 100%);
    position:relative;overflow:hidden;
  }
  .cta-section::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(circle at 20% 50%, rgba(34,197,94,.15), transparent 50%),
      radial-gradient(circle at 80% 50%, rgba(59,130,246,.2), transparent 50%);
  }
  .cta-inner{position:relative;z-index:1;text-align:center;color:#fff}
  .cta-inner h2{
    font-family:'Kanit',sans-serif;
    font-size:clamp(28px,4vw,42px);font-weight:700;margin-bottom:14px;line-height:1.2;
  }
  .cta-inner p{font-size:18px;opacity:.9;margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto}
  .phone-card{
    background:#fff;color:var(--navy);
    display:inline-flex;align-items:center;gap:18px;
    padding:18px 30px;border-radius:999px;
    box-shadow:0 25px 60px rgba(0,0,0,.3);
    transition:transform .3s;
  }
  .phone-card:hover{transform:scale(1.03)}
  .phone-icon{
    width:56px;height:56px;border-radius:50%;
    background:linear-gradient(135deg,var(--green-500),var(--green-600));
    color:#fff;display:grid;place-items:center;
    animation:ring 2.5s infinite;
  }
  @keyframes ring{0%,90%,100%{transform:rotate(0)}5%,15%,25%{transform:rotate(-10deg)}10%,20%,30%{transform:rotate(10deg)}}
  .phone-icon svg{width:26px;height:26px}
  .phone-text{text-align:left}
  .phone-text small{display:block;font-size:13px;color:var(--muted);font-weight:500}
  .phone-text strong{font-family:'Kanit',sans-serif;font-size:30px;font-weight:700;letter-spacing:1px;color:var(--blue-900)}

  .tagline{
    margin-top:34px;font-family:'Kanit',sans-serif;
    font-size:20px;font-weight:500;letter-spacing:2px;opacity:.95;
  }
  .tagline .dot{color:var(--green-400);margin:0 10px}

  /* ===== GUARANTEES ===== */
  .guarantees{padding:50px 0;background:#fff;border-top:1px solid var(--line)}
  .guarantee-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
  }
  .guarantee-item{display:flex;gap:14px;align-items:center}
  .guarantee-ic{
    flex-shrink:0;width:44px;height:44px;border-radius:50%;
    background:var(--blue-50);color:var(--blue-700);
    display:grid;place-items:center;
  }
  .guarantee-ic svg{width:22px;height:22px}
  .guarantee-item span{font-weight:500;color:var(--navy);font-size:15px}

  /* ===== FOOTER ===== */
  footer{background:var(--navy);color:rgba(255,255,255,.85);padding:60px 0 30px}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;
  }
  .footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:18px}
  .footer-brand .brand-mark{width:50px;height:50px;font-size:20px}
  .footer-brand-name{font-family:'Kanit',sans-serif;font-size:20px;color:#fff;font-weight:600}
  .footer-brand-name small{display:block;font-size:12px;font-weight:400;opacity:.7}
  .footer-about{font-size:14px;line-height:1.7;opacity:.75;max-width:340px}
  .footer-col h4{
    font-family:'Kanit',sans-serif;color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;
  }
  .footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;opacity:.75;transition:opacity .2s,color .2s}
  .footer-col a:hover{opacity:1;color:var(--green-400)}
  .footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;opacity:.85}
  .footer-contact svg{width:18px;height:18px;flex-shrink:0;margin-top:2px;color:var(--green-400)}
  .footer-bot{
    border-top:1px solid rgba(255,255,255,.1);padding-top:22px;
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
    font-size:13px;opacity:.65;
  }

  /* ===== FLOATING CALL BUTTON ===== */
  .float-call{
    position:fixed;bottom:24px;right:24px;z-index:90;
    width:60px;height:60px;border-radius:50%;
    background:linear-gradient(135deg,var(--green-500),var(--green-600));
    color:#fff;display:grid;place-items:center;
    box-shadow:0 12px 30px rgba(22,163,74,.45);
    animation:ring 2.5s infinite, floatIn 1s .5s both;
    transition:transform .2s;
  }
  .float-call:hover{transform:scale(1.1)}
  .float-call svg{width:26px;height:26px}
  @keyframes floatIn{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}

  /* ===== REVEAL ANIMATION ===== */
  .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}
  .reveal.in{opacity:1;transform:translateY(0)}

  /* ===== MODAL ===== */
  .service-card{cursor:pointer}
  .service-card.no-cursor{cursor:auto}
  .service-card .more{
    display:inline-flex;align-items:center;gap:6px;
    margin-top:14px;color:var(--blue-700);font-weight:600;font-size:13.5px;
    position:relative;z-index:1;transition:gap .2s;
  }
  .service-card.solar .more{color:var(--green-600)}
  .service-card:hover .more{gap:10px}

  .modal-overlay{
    position:fixed;inset:0;z-index:200;
    background:rgba(11,37,69,.55);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    display:none;align-items:flex-start;justify-content:center;
    padding:5vh 20px;overflow-y:auto;
    opacity:0;transition:opacity .25s;
  }
  .modal-overlay.open{display:flex;opacity:1}
  .modal{
    background:#fff;border-radius:24px;max-width:760px;width:100%;
    box-shadow:0 30px 80px rgba(0,0,0,.3);
    overflow:hidden;position:relative;
    transform:translateY(20px) scale(.98);opacity:0;
    transition:transform .35s cubic-bezier(.2,.8,.2,1), opacity .25s;
  }
  .modal-overlay.open .modal{transform:translateY(0) scale(1);opacity:1}

  .modal-header{
    padding:32px 32px 24px;
    background:linear-gradient(135deg,var(--blue-50) 0%,#fff 100%);
    display:flex;gap:20px;align-items:flex-start;position:relative;
    border-bottom:1px solid var(--line);
  }
  .modal-header.solar{background:linear-gradient(135deg,var(--green-50) 0%,#fff 100%)}
  .modal-icon{
    width:64px;height:64px;border-radius:18px;flex-shrink:0;
    background:#fff;display:grid;place-items:center;
    border:1px solid var(--blue-100);
    box-shadow:var(--shadow-sm);
  }
  .modal-header.solar .modal-icon{border-color:#bbf7d0}
  .modal-icon svg{width:32px;height:32px;color:var(--blue-700)}
  .modal-header.solar .modal-icon svg{color:var(--green-600)}
  .modal-header-text{flex:1;min-width:0}
  .modal-tag{
    display:inline-block;font-size:11px;font-weight:600;
    padding:4px 10px;border-radius:999px;margin-bottom:8px;
    background:var(--blue-100);color:var(--blue-700);letter-spacing:.5px;
  }
  .modal-header.solar .modal-tag{background:#dcfce7;color:var(--green-600)}
  .modal-header h2{
    font-family:'Kanit',sans-serif;
    font-size:26px;color:var(--navy);font-weight:700;margin-bottom:6px;
  }
  .modal-header p{font-size:14.5px;color:var(--muted);line-height:1.55}
  .modal-close{
    position:absolute;top:18px;right:18px;
    width:36px;height:36px;border-radius:50%;
    background:#fff;border:1px solid var(--line);cursor:pointer;
    display:grid;place-items:center;color:var(--muted);
    transition:all .2s;font-size:20px;line-height:1;font-family:inherit;
  }
  .modal-close:hover{background:var(--blue-50);color:var(--navy);border-color:var(--blue-100)}

  .modal-body{padding:24px 32px;max-height:60vh;overflow-y:auto}
  .price-group{margin-bottom:24px}
  .price-group:last-child{margin-bottom:0}
  .price-group-title{
    font-family:'Kanit',sans-serif;
    font-size:16px;font-weight:600;color:var(--navy);
    padding-bottom:8px;margin-bottom:10px;
    border-bottom:2px solid var(--blue-100);
    display:flex;align-items:center;gap:8px;
  }
  .price-group-title::before{
    content:"";width:8px;height:8px;border-radius:50%;
    background:linear-gradient(135deg,var(--blue-600),var(--green-500));
  }
  .price-row{
    display:flex;justify-content:space-between;align-items:center;gap:14px;
    padding:10px 0;border-bottom:1px dashed var(--line);
  }
  .price-row:last-child{border-bottom:0}
  .price-name{font-size:14.5px;color:var(--text);flex:1}
  .price-val{
    font-family:'Kanit',sans-serif;font-weight:600;font-size:15px;
    color:var(--blue-700);white-space:nowrap;
  }
  .modal-header.solar ~ .modal-body .price-val{color:var(--green-600)}
  .modal-header.solar ~ .modal-body .price-group-title{border-bottom-color:#bbf7d0}

  .modal-bullet{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14.5px;color:var(--text);padding:6px 0;
  }
  .modal-bullet svg{flex-shrink:0;width:18px;height:18px;color:var(--green-600);margin-top:3px}

  .modal-footer{
    padding:20px 32px 28px;
    background:#fafbfd;border-top:1px solid var(--line);
  }
  .modal-note{
    font-size:12.5px;color:var(--muted);line-height:1.6;
    background:#fff;padding:10px 14px;border-radius:10px;
    border:1px solid var(--line);margin-bottom:16px;
  }
  .modal-actions{display:flex;gap:10px;flex-wrap:wrap}
  .modal-actions .btn{flex:1;justify-content:center;padding:13px 20px;font-size:15px;min-width:140px}

  /* ===== RESPONSIVE ===== */
  @media(max-width:980px){
    .feature-grid,.services-grid{grid-template-columns:repeat(2,1fr)}
    .why-grid{grid-template-columns:1fr;gap:40px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .guarantee-grid{grid-template-columns:1fr 1fr;gap:20px}
  }
  @media(max-width:640px){
    .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:14px;border-top:1px solid var(--line);box-shadow:var(--shadow)}
    .nav-links.open{display:flex}
    .nav-toggle{display:block}
    .nav-cta{display:none}
    .feature-grid,.services-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bot{flex-direction:column;text-align:center}
    .phone-card{flex-direction:column;padding:24px;text-align:center}
    .phone-text{text-align:center}
    .why-stats{grid-template-columns:1fr}
    .hero-banner{border-width:4px}
    .modal{border-radius:18px}
    .modal-header{padding:24px 20px 18px;gap:14px}
    .modal-icon{width:52px;height:52px}
    .modal-header h2{font-size:21px}
    .modal-body{padding:20px;max-height:55vh}
    .modal-footer{padding:18px 20px 22px}
    .modal-actions{flex-direction:column}
    .modal-actions .btn{width:100%}
  }
/* ===== SUB-PAGE STYLES (about, contact, etc.) ===== */
.subpage-hero{
  background:var(--sky-bg);
  padding:60px 0 70px;
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.subpage-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 30%, rgba(59,130,246,.18), transparent 45%),
    radial-gradient(circle at 80% 20%, rgba(34,197,94,.12), transparent 50%);
  pointer-events:none;
}
.subpage-hero-inner{position:relative;z-index:2;text-align:center}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;
  color:var(--muted);font-size:14px;margin-bottom:14px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--blue-700);transition:color .2s}
.breadcrumb a:hover{color:var(--blue-900)}
.breadcrumb .sep{opacity:.5}
.subpage-hero h1{
  font-family:'Kanit',sans-serif;
  font-size:clamp(28px,4.5vw,46px);font-weight:700;
  color:var(--navy);line-height:1.2;margin-bottom:14px;
}
.subpage-hero p{color:var(--muted);font-size:17px;max-width:640px;margin:0 auto}

.section{padding:80px 0}
.section.alt{background:var(--blue-50)}

/* About page */
.about-grid{
  display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;
}
.about-content h2{
  font-family:'Kanit',sans-serif;
  font-size:clamp(24px,3.5vw,34px);color:var(--navy);
  font-weight:700;line-height:1.3;margin-bottom:18px;
}
.about-content p{color:var(--muted);font-size:16px;line-height:1.75;margin-bottom:16px}
.about-content strong{color:var(--navy)}
.about-image{
  border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-lg);border:6px solid #fff;
}

.values-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.value-card{
  background:#fff;padding:32px 26px;border-radius:20px;
  border:1px solid var(--line);text-align:center;
  transition:all .3s ease;
}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.value-card .num{
  font-family:'Kanit',sans-serif;
  font-size:48px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--blue-700),var(--green-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
.value-card h3{
  font-family:'Kanit',sans-serif;
  font-size:19px;color:var(--navy);font-weight:600;margin-bottom:8px;
}
.value-card p{color:var(--muted);font-size:14.5px;line-height:1.6}

/* ===== CONTACT FORM ===== */
.contact-grid{
  display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start;
}
.contact-form{
  background:#fff;padding:36px;border-radius:24px;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.contact-form h2{
  font-family:'Kanit',sans-serif;
  font-size:24px;color:var(--navy);font-weight:600;margin-bottom:8px;
}
.contact-form .form-desc{color:var(--muted);font-size:14.5px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-field{display:flex;flex-direction:column;margin-bottom:16px}
.form-field label{
  font-size:14px;color:var(--navy);font-weight:500;margin-bottom:6px;
}
.form-field label .req{color:#dc2626}
.form-field input,.form-field select,.form-field textarea{
  padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:15px;color:var(--text);
  background:#fafbfd;transition:all .2s;outline:none;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--blue-500);background:#fff;
  box-shadow:0 0 0 3px rgba(59,130,246,.15);
}
.form-field textarea{resize:vertical;min-height:110px}
.form-field .hint{font-size:12px;color:var(--muted);margin-top:4px}

.submit-btn{
  width:100%;padding:15px;border:0;border-radius:12px;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-600));
  color:#fff;font-family:inherit;font-size:16px;font-weight:600;
  cursor:pointer;transition:all .2s;
  display:flex;align-items:center;justify-content:center;gap:8px;
  box-shadow:0 10px 25px rgba(29,78,216,.3);
}
.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 15px 35px rgba(29,78,216,.4)}
.submit-btn:disabled{opacity:.6;cursor:not-allowed}
.submit-btn .spinner{
  width:18px;height:18px;border:2.5px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;
  animation:spin .8s linear infinite;display:none;
}
.submit-btn.loading .spinner{display:inline-block}
.submit-btn.loading .label{opacity:.7}
@keyframes spin{to{transform:rotate(360deg)}}

.contact-info{display:flex;flex-direction:column;gap:18px}
.contact-info-card{
  background:#fff;padding:24px;border-radius:18px;
  border:1px solid var(--line);
  display:flex;gap:16px;align-items:flex-start;
  transition:all .2s;
}
.contact-info-card:hover{border-color:var(--blue-100);box-shadow:var(--shadow)}
.contact-info-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,var(--blue-50),var(--blue-100));
  color:var(--blue-700);display:grid;place-items:center;
}
.contact-info-icon.green{
  background:linear-gradient(135deg,#dcfce7,#bbf7d0);
  color:var(--green-600);
}
.contact-info-icon svg{width:22px;height:22px}
.contact-info-text{flex:1}
.contact-info-text h4{
  font-family:'Kanit',sans-serif;font-size:15px;color:var(--navy);
  font-weight:600;margin-bottom:4px;
}
.contact-info-text p,.contact-info-text a{
  font-size:15px;color:var(--text);line-height:1.55;
}
.contact-info-text small{font-size:12.5px;color:var(--muted);display:block;margin-top:2px}

.map-embed{
  border-radius:18px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);background:#eee;
  aspect-ratio:16/10;
}
.map-embed iframe{width:100%;height:100%;border:0}

/* ===== TOAST ===== */
.toast{
  position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-30px);
  background:#fff;border-radius:14px;padding:14px 22px;
  box-shadow:0 20px 50px rgba(0,0,0,.18);
  display:flex;align-items:center;gap:12px;
  z-index:300;opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s;
  border-left:4px solid var(--green-500);
  max-width:90%;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.error{border-left-color:#dc2626}
.toast-icon{
  width:32px;height:32px;border-radius:50%;
  background:#dcfce7;color:var(--green-600);
  display:grid;place-items:center;flex-shrink:0;
}
.toast.error .toast-icon{background:#fee2e2;color:#dc2626}
.toast-icon svg{width:18px;height:18px}
.toast-text{font-size:14.5px;color:var(--text)}
.toast-text strong{display:block;color:var(--navy);font-weight:600;margin-bottom:2px}

/* ===== 404 ===== */
.notfound{
  min-height:60vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:60px 20px;
}
.notfound-inner{max-width:520px}
.notfound .code{
  font-family:'Kanit',sans-serif;font-size:120px;font-weight:800;
  background:linear-gradient(135deg,var(--blue-700),var(--green-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;margin-bottom:8px;
}
.notfound h1{font-family:'Kanit',sans-serif;font-size:32px;color:var(--navy);margin-bottom:14px;font-weight:700}
.notfound p{color:var(--muted);font-size:17px;margin-bottom:30px}

/* responsive */
@media(max-width:980px){
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .values-grid{grid-template-columns:1fr 1fr;gap:18px}
}
@media(max-width:640px){
  .form-row{grid-template-columns:1fr}
  .values-grid{grid-template-columns:1fr}
  .contact-form{padding:24px}
  .subpage-hero{padding:40px 0 50px}
  .section{padding:60px 0}
  .notfound .code{font-size:90px}
}

/* ============================================================
   FAQ ACCORDION
============================================================ */
.faq-grid{
  max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;
}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:all .25s ease;
}
.faq-item:hover{border-color:var(--blue-100);box-shadow:var(--shadow-sm)}
.faq-item.open{border-color:var(--blue-500);box-shadow:var(--shadow)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;user-select:none;
  font-family:'Kanit',sans-serif;font-size:16.5px;font-weight:500;
  color:var(--navy);transition:color .2s;
}
.faq-q:hover{color:var(--blue-700)}
.faq-item.open .faq-q{color:var(--blue-700)}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--blue-50);color:var(--blue-700);
  display:grid;place-items:center;font-size:18px;font-weight:300;
  transition:transform .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--blue-700);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  padding:0 22px;
}
.faq-item.open .faq-a{max-height:500px;padding:0 22px 20px}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.7}
.faq-a p+p{margin-top:10px}

/* FAQ category filter */
.faq-tabs{
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:30px;
}
.faq-tab{
  padding:8px 18px;border:1.5px solid var(--line);background:#fff;
  border-radius:30px;cursor:pointer;font-family:inherit;font-size:14px;
  color:var(--muted);transition:all .2s;
}
.faq-tab:hover{border-color:var(--blue-500);color:var(--blue-700)}
.faq-tab.active{
  background:var(--blue-700);border-color:var(--blue-700);color:#fff;
  box-shadow:0 6px 16px rgba(29,78,216,.25);
}

/* ============================================================
   TESTIMONIALS
============================================================ */
.testimonials{padding:80px 0;background:var(--sky-bg);position:relative;overflow:hidden}
.testimonials::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 70% 30%, rgba(34,197,94,.08), transparent 50%);
  pointer-events:none;
}
.testimonial-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  position:relative;z-index:2;
}
.testimonial-card{
  background:#fff;padding:28px;border-radius:20px;
  border:1px solid var(--line);position:relative;
  transition:all .3s ease;
  display:flex;flex-direction:column;
}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.testimonial-card::before{
  content:"\201C";position:absolute;top:8px;right:22px;
  font-family:Georgia,serif;font-size:80px;line-height:1;
  color:var(--blue-100);font-weight:700;
}
.testimonial-stars{
  display:flex;gap:2px;color:#f59e0b;margin-bottom:14px;font-size:18px;
}
.testimonial-text{
  color:var(--text);font-size:15px;line-height:1.7;flex:1;margin-bottom:18px;
  position:relative;z-index:1;
}
.testimonial-author{
  display:flex;align-items:center;gap:12px;
  padding-top:16px;border-top:1px solid var(--line);
}
.testimonial-avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue-500),var(--green-500));
  color:#fff;display:grid;place-items:center;
  font-family:'Kanit',sans-serif;font-weight:600;font-size:18px;
}
.testimonial-meta h4{
  font-family:'Kanit',sans-serif;font-size:15px;color:var(--navy);
  font-weight:600;margin:0;line-height:1.3;
}
.testimonial-meta span{font-size:13px;color:var(--muted);display:block;margin-top:2px}

.rating-summary{
  display:inline-flex;align-items:center;gap:14px;
  background:#fff;border-radius:14px;padding:14px 22px;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  margin-bottom:30px;
}
.rating-number{
  font-family:'Kanit',sans-serif;font-size:36px;font-weight:700;
  color:var(--navy);line-height:1;
}
.rating-stars{display:flex;color:#f59e0b;font-size:18px}
.rating-text{font-size:13px;color:var(--muted)}

/* ============================================================
   BTU CALCULATOR
============================================================ */
.calc-wrap{
  display:grid;grid-template-columns:1.2fr 1fr;gap:32px;
  max-width:1000px;margin:0 auto;
}
.calc-form{
  background:#fff;padding:32px;border-radius:24px;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.calc-form h2{
  font-family:'Kanit',sans-serif;font-size:22px;color:var(--navy);
  font-weight:600;margin-bottom:6px;
}
.calc-form .desc{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.calc-section{margin-bottom:22px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.calc-section:last-of-type{border:0;padding-bottom:0}
.calc-section-title{
  font-family:'Kanit',sans-serif;font-size:14px;color:var(--blue-700);
  font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;
}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.calc-field{display:flex;flex-direction:column}
.calc-field label{font-size:14px;color:var(--text);font-weight:500;margin-bottom:6px}
.calc-field input,.calc-field select{
  padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;color:var(--text);
  background:#fafbfd;outline:none;transition:all .2s;
}
.calc-field input:focus,.calc-field select:focus{
  border-color:var(--blue-500);background:#fff;
  box-shadow:0 0 0 3px rgba(59,130,246,.15);
}
.range-row{display:flex;align-items:center;gap:14px}
.range-row input[type="range"]{flex:1;accent-color:var(--blue-700)}
.range-value{
  font-family:'Kanit',sans-serif;font-weight:600;color:var(--blue-700);
  min-width:44px;text-align:right;font-size:15px;
}

/* result panel */
.calc-result{
  background:linear-gradient(160deg,var(--blue-700) 0%,var(--blue-900) 100%);
  color:#fff;padding:32px 28px;border-radius:24px;
  position:sticky;top:90px;
  box-shadow:0 20px 50px rgba(29,78,216,.25);
}
.calc-result h3{
  font-family:'Kanit',sans-serif;font-size:18px;font-weight:500;
  opacity:.9;margin-bottom:8px;
}
.btu-value{
  font-family:'Kanit',sans-serif;font-size:54px;font-weight:800;
  line-height:1;letter-spacing:-1px;margin-bottom:6px;
  background:linear-gradient(135deg,#fff,#bfdbfe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.btu-unit{font-size:18px;opacity:.85;margin-bottom:20px}
.btu-rec{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  border-radius:14px;padding:16px;margin-bottom:18px;backdrop-filter:blur(6px);
}
.btu-rec-label{font-size:13px;opacity:.75;margin-bottom:4px}
.btu-rec-value{
  font-family:'Kanit',sans-serif;font-size:24px;font-weight:700;
  color:var(--green-400);
}
.btu-area{
  display:flex;justify-content:space-between;font-size:13.5px;
  padding:8px 0;border-top:1px solid rgba(255,255,255,.15);opacity:.85;
}
.calc-cta{
  display:block;width:100%;text-align:center;
  background:#fff;color:var(--blue-700);font-weight:600;
  padding:13px;border-radius:12px;margin-top:18px;
  text-decoration:none;transition:all .2s;
}
.calc-cta:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,0,0,.15)}

/* tips box */
.calc-tips{
  background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:20px;margin-top:24px;
}
.calc-tips h4{
  font-family:'Kanit',sans-serif;font-size:15px;color:var(--navy);
  font-weight:600;margin-bottom:10px;
}
.calc-tips ul{list-style:none;padding:0;margin:0}
.calc-tips li{
  font-size:14px;color:var(--muted);line-height:1.6;padding:5px 0;
  padding-left:22px;position:relative;
}
.calc-tips li::before{
  content:"✓";position:absolute;left:0;color:var(--green-600);font-weight:700;
}

/* ============================================================
   SERVICE DETAIL PAGE
============================================================ */
.service-hero{
  padding:60px 0;border-bottom:1px solid var(--line);
  background:linear-gradient(135deg,var(--sky-bg),#fff);
  position:relative;overflow:hidden;
}
.service-hero.solar{background:linear-gradient(135deg,#ecfdf5,#fff)}
.service-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 30%, rgba(59,130,246,.12), transparent 50%);
}
.service-hero.solar::before{
  background:radial-gradient(circle at 80% 30%, rgba(34,197,94,.15), transparent 50%);
}
.service-hero-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;
  position:relative;z-index:2;
}
.service-hero-text .tag{
  display:inline-block;background:var(--blue-700);color:#fff;
  padding:6px 14px;border-radius:30px;font-size:13px;font-weight:500;
  margin-bottom:14px;
}
.service-hero.solar .service-hero-text .tag{background:var(--green-600)}
.service-hero-text h1{
  font-family:'Kanit',sans-serif;font-size:clamp(28px,4.5vw,42px);
  font-weight:700;color:var(--navy);line-height:1.2;margin-bottom:14px;
}
.service-hero-text p{color:var(--muted);font-size:17px;line-height:1.7;margin-bottom:24px}
.service-hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.service-hero-visual{
  display:grid;place-items:center;
  background:#fff;border-radius:24px;padding:20px;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
  aspect-ratio:1;overflow:hidden;
}
.service-hero-visual.has-photo{
  padding:0;aspect-ratio:auto;background:transparent;border:none;
}
.service-hero-visual.has-photo img{
  width:100%;height:auto;object-fit:cover;border-radius:24px;
}
.service-hero-visual svg{
  width:60%;height:60%;color:var(--blue-700);
}
.service-hero-visual img{
  width:100%;height:100%;object-fit:contain;border-radius:16px;
}
.service-hero.solar .service-hero-visual svg{color:var(--green-600)}

.service-pricing-section{padding:70px 0}
.service-pricing-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:22px;max-width:1100px;margin:0 auto;
}
.price-group-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px;transition:all .25s;
}
.price-group-card:hover{border-color:var(--blue-100);box-shadow:var(--shadow)}
.price-group-card h3{
  font-family:'Kanit',sans-serif;font-size:17px;color:var(--blue-700);
  font-weight:600;margin-bottom:14px;padding-bottom:10px;
  border-bottom:2px solid var(--blue-50);
}
.price-group-card .price-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:8px 0;font-size:14.5px;border-bottom:1px dashed var(--line);
}
.price-group-card .price-row:last-child{border:0}
.price-group-card .price-row .name{color:var(--text);flex:1}
.price-group-card .price-row .val{color:var(--navy);font-weight:600;text-align:right;white-space:nowrap}

.service-note{
  background:var(--blue-50);border-left:4px solid var(--blue-500);
  padding:18px 22px;border-radius:12px;max-width:900px;margin:30px auto 0;
  font-size:14.5px;color:var(--text);line-height:1.6;
}
.service-note strong{color:var(--navy)}

/* ============================================================
   RESPONSIVE
============================================================ */
@media(max-width:900px){
  .testimonial-grid{grid-template-columns:1fr 1fr}
  .calc-wrap{grid-template-columns:1fr}
  .calc-result{position:static}
  .service-hero-inner{grid-template-columns:1fr;gap:32px;text-align:center}
  .service-hero-visual{max-width:340px;margin:0 auto;aspect-ratio:16/12;padding:16px}
  .service-hero-visual.has-photo{max-width:400px;aspect-ratio:auto;padding:0}
  .service-hero-actions{justify-content:center}
}
@media(max-width:640px){
  .testimonial-grid{grid-template-columns:1fr}
  .calc-form{padding:22px}
  .calc-row{grid-template-columns:1fr}
  .btu-value{font-size:44px}
  .faq-q{font-size:15px;padding:16px 18px}
}

/* ============================================================
   THEME POLISH — เปลี่ยน brand color ที่นี่
   --navy, --blue-700, --green-600 คือสีหลัก แก้ตามต้องการ
============================================================ */
:root{
  --brand-shadow: 0 25px 60px -15px rgba(29,78,216,.35);
  --brand-gradient: linear-gradient(135deg, var(--blue-700) 0%, #2563eb 50%, var(--green-500) 100%);
}

/* Brand mark refinement */
.brand-mark{
  background: var(--brand-gradient);
  box-shadow: 0 6px 18px rgba(29,78,216,.35);
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* Stronger CTA buttons */
.btn-primary{
  box-shadow: 0 10px 30px -8px rgba(29,78,216,.5);
}
.btn-primary:hover{
  box-shadow: 0 18px 40px -8px rgba(29,78,216,.6);
}

/* ============================================================
   LINE CHAT WIDGET (floating bottom-right)
============================================================ */
.line-fab{
  position:fixed;bottom:24px;right:90px;z-index:200;
  width:56px;height:56px;border-radius:50%;
  background:#06C755;color:#fff;
  display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(6,199,85,.4);
  text-decoration:none;cursor:pointer;
  transition:all .25s ease;border:0;
}
.line-fab:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 14px 30px rgba(6,199,85,.55)}
.line-fab svg{width:28px;height:28px;fill:#fff}
.line-fab .pulse{
  position:absolute;inset:0;border-radius:50%;
  background:#06C755;opacity:.4;
  animation:linePulse 2.2s ease-out infinite;
}
@keyframes linePulse{
  0%{transform:scale(1);opacity:.4}
  100%{transform:scale(1.8);opacity:0}
}

/* LINE popup */
.line-popup{
  position:fixed;bottom:92px;right:24px;z-index:201;
  width:320px;max-width:calc(100vw - 40px);
  background:#fff;border-radius:18px;
  box-shadow:0 25px 60px rgba(0,0,0,.25);
  overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(20px);
  transition:all .3s ease;
}
.line-popup.open{opacity:1;visibility:visible;transform:translateY(0)}
.line-popup-header{
  background:#06C755;color:#fff;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;
}
.line-popup-header h4{
  font-family:'Kanit',sans-serif;font-size:16px;font-weight:600;
  display:flex;align-items:center;gap:8px;margin:0;
}
.line-popup-header h4 svg{width:22px;height:22px;fill:#fff}
.line-popup-close{
  background:rgba(255,255,255,.2);border:0;color:#fff;
  width:28px;height:28px;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;font-size:16px;
}
.line-popup-body{padding:18px 20px}
.line-popup-body p{font-size:14.5px;color:var(--text);line-height:1.6;margin-bottom:14px}
.line-popup-actions{display:flex;flex-direction:column;gap:8px}
.line-popup-actions a{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;
  background:#f3f4f6;color:var(--text);
  text-decoration:none;font-size:14.5px;
  transition:all .2s;
}
.line-popup-actions a:hover{background:#06C755;color:#fff;transform:translateX(2px)}
.line-popup-actions a.primary{
  background:#06C755;color:#fff;font-weight:500;
}
.line-popup-actions a.primary:hover{background:#05a548}
.line-popup-actions .ic{font-size:18px}

/* shift float-call up if line-fab present */
.float-call{bottom:24px !important}
@media(max-width:640px){
  .line-fab{right:80px;width:50px;height:50px}
  .line-fab svg{width:25px;height:25px}
  .line-popup{right:14px;bottom:84px;width:calc(100vw - 28px)}
}

/* ============================================================
   GALLERY PAGE
============================================================ */
.gallery-filter{
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px;
}
.gallery-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.gallery-card{
  background:#fff;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);cursor:pointer;
  transition:all .3s ease;position:relative;
}
.gallery-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.gallery-img{
  aspect-ratio:4/3;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--blue-100),var(--blue-50));
  display:grid;place-items:center;color:var(--blue-700);
}
.gallery-img.solar{background:linear-gradient(135deg,#dcfce7,#ecfdf5);color:var(--green-600)}
.gallery-img.before{background:linear-gradient(135deg,#fef3c7,#fef9c3);color:#a16207}
.gallery-img.after{background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:var(--blue-700)}
.gallery-img svg{width:60px;height:60px;opacity:.6}
.gallery-img-label{
  position:absolute;top:10px;left:10px;
  background:rgba(255,255,255,.9);padding:4px 12px;border-radius:30px;
  font-size:12px;font-weight:600;color:var(--navy);
  font-family:'Kanit',sans-serif;
}
.gallery-img-label.green{background:var(--green-600);color:#fff}
.gallery-img-label.red{background:#f59e0b;color:#fff}

/* Before/After slider effect inside card */
.ba-split{position:relative;overflow:hidden}
.ba-split .half{position:absolute;inset:0;display:grid;place-items:center;font-family:'Kanit',sans-serif;font-weight:700;font-size:48px;letter-spacing:-1px;color:rgba(255,255,255,.85)}
.ba-split .half.left{background:linear-gradient(135deg,#a16207,#ca8a04);clip-path:polygon(0 0,55% 0,45% 100%,0 100%)}
.ba-split .half.right{background:linear-gradient(135deg,#1d4ed8,#2563eb);clip-path:polygon(55% 0,100% 0,100% 100%,45% 100%)}
.ba-split .vs{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;border-radius:50%;width:42px;height:42px;display:grid;place-items:center;font-family:'Kanit',sans-serif;font-weight:700;color:var(--navy);font-size:14px;box-shadow:0 4px 12px rgba(0,0,0,.18)}

.gallery-info{padding:16px 18px}
.gallery-info h3{
  font-family:'Kanit',sans-serif;font-size:15.5px;color:var(--navy);
  font-weight:600;margin-bottom:4px;line-height:1.3;
}
.gallery-info p{font-size:13px;color:var(--muted);line-height:1.5}
.gallery-info .gallery-meta{
  display:flex;gap:8px;align-items:center;margin-top:8px;
  font-size:12px;color:var(--muted);
}
.gallery-info .gallery-meta .gallery-cat{
  background:var(--blue-50);color:var(--blue-700);
  padding:2px 8px;border-radius:20px;font-weight:500;
}
.gallery-info .gallery-meta .gallery-cat.solar{background:#dcfce7;color:var(--green-600)}

/* Lightbox */
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:300;
  display:none;align-items:center;justify-content:center;padding:30px;
}
.lightbox.open{display:flex}
.lightbox-content{
  max-width:900px;width:100%;background:#fff;border-radius:18px;overflow:hidden;
  max-height:90vh;display:flex;flex-direction:column;
}
.lightbox-img{
  aspect-ratio:16/10;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue-100),var(--blue-50));color:var(--blue-700);
}
.lightbox-img.has-photo{background:#fff;aspect-ratio:auto}
.lightbox-img.has-photo img{width:100%;height:auto;display:block;object-fit:contain}
.lightbox-img svg{width:90px;height:90px;opacity:.5}
.lightbox-info{padding:24px 28px}
.lightbox-info h3{font-family:'Kanit',sans-serif;font-size:22px;color:var(--navy);margin-bottom:8px}
.lightbox-close{
  position:absolute;top:20px;right:20px;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.15);color:#fff;border:0;
  font-size:20px;cursor:pointer;backdrop-filter:blur(8px);
}
.lightbox-close:hover{background:rgba(255,255,255,.25)}

/* ============================================================
   BLOG PAGES
============================================================ */
.blog-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;
}
.blog-card{
  background:#fff;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);transition:all .3s ease;
  display:flex;flex-direction:column;
}
.blog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.blog-card-img{
  aspect-ratio:16/9;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff;
  font-family:'Kanit',sans-serif;font-weight:700;font-size:38px;text-align:center;padding:20px;
  position:relative;overflow:hidden;
}
.blog-card-img::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 50%);
}
.blog-card-img.solar{background:linear-gradient(135deg,var(--green-600),var(--green-500))}
.blog-card-img.tip{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.blog-card-img.guide{background:linear-gradient(135deg,#7c3aed,#a78bfa)}
.blog-card-content{padding:22px;flex:1;display:flex;flex-direction:column}
.blog-card-cat{
  display:inline-block;font-size:12px;color:var(--blue-700);font-weight:600;
  background:var(--blue-50);padding:3px 10px;border-radius:20px;
  align-self:flex-start;margin-bottom:10px;
}
.blog-card h3{
  font-family:'Kanit',sans-serif;font-size:18px;color:var(--navy);
  font-weight:600;line-height:1.35;margin-bottom:10px;
}
.blog-card h3 a{color:inherit;text-decoration:none}
.blog-card h3 a:hover{color:var(--blue-700)}
.blog-card-excerpt{color:var(--muted);font-size:14.5px;line-height:1.6;flex:1;margin-bottom:14px}
.blog-card-meta{
  display:flex;align-items:center;gap:12px;
  font-size:12.5px;color:var(--muted);
  padding-top:12px;border-top:1px solid var(--line);
}
.blog-card-meta span{display:flex;align-items:center;gap:4px}

/* Blog article page */
.blog-hero{
  padding:60px 0 40px;background:var(--sky-bg);
  position:relative;overflow:hidden;
}
.blog-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 70% 20%, rgba(59,130,246,.15), transparent 50%);
}
.blog-hero-inner{position:relative;z-index:2;max-width:780px;margin:0 auto}
.blog-hero .cat-tag{
  display:inline-block;background:var(--blue-700);color:#fff;
  font-size:13px;font-weight:500;padding:5px 14px;border-radius:30px;
  margin-bottom:16px;
}
.blog-hero h1{
  font-family:'Kanit',sans-serif;font-size:clamp(26px,4vw,38px);
  font-weight:700;color:var(--navy);line-height:1.25;margin-bottom:14px;
}
.blog-hero .meta{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.blog-hero .meta span{display:flex;align-items:center;gap:5px}

.blog-body{
  max-width:780px;margin:0 auto;padding:50px 20px 70px;
}
.blog-body h2{
  font-family:'Kanit',sans-serif;font-size:24px;color:var(--navy);
  font-weight:700;margin:38px 0 14px;line-height:1.3;
  padding-top:14px;border-top:3px solid var(--blue-50);
}
.blog-body h3{
  font-family:'Kanit',sans-serif;font-size:19px;color:var(--navy);
  font-weight:600;margin:28px 0 12px;
}
.blog-body p{
  color:var(--text);font-size:16px;line-height:1.8;margin-bottom:16px;
}
.blog-body ul,.blog-body ol{
  padding-left:24px;margin-bottom:18px;color:var(--text);line-height:1.85;
}
.blog-body li{margin-bottom:6px}
.blog-body strong{color:var(--navy)}
.blog-body a{color:var(--blue-700);text-decoration:underline;text-decoration-color:var(--blue-100);text-underline-offset:3px}
.blog-body a:hover{text-decoration-color:var(--blue-700)}

/* Callout boxes */
.callout{
  margin:24px 0;padding:18px 22px;border-radius:14px;
  border-left:4px solid var(--blue-500);background:var(--blue-50);
}
.callout.tip{border-color:var(--green-500);background:#ecfdf5}
.callout.warn{border-color:#f59e0b;background:#fef3c7}
.callout h4{
  font-family:'Kanit',sans-serif;font-size:15.5px;color:var(--navy);
  font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:6px;
}
.callout p{font-size:14.5px;line-height:1.65;margin-bottom:0;color:var(--text)}

/* TOC sidebar */
.blog-toc{
  background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 22px;margin:20px 0 30px;
}
.blog-toc-title{
  font-family:'Kanit',sans-serif;font-size:14px;color:var(--blue-700);
  font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;
}
.blog-toc ol{padding-left:20px;margin:0;color:var(--text);font-size:14.5px;line-height:1.7}
.blog-toc a{color:var(--text);text-decoration:none}
.blog-toc a:hover{color:var(--blue-700)}

/* Related posts */
.related-posts{
  margin-top:50px;padding-top:32px;border-top:2px solid var(--line);
}
.related-posts h3{
  font-family:'Kanit',sans-serif;font-size:20px;color:var(--navy);
  font-weight:600;margin-bottom:18px;
}

/* PWA install banner */
.pwa-banner{
  position:fixed;bottom:24px;left:24px;z-index:150;
  background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:0 15px 35px rgba(0,0,0,.18);
  display:none;align-items:center;gap:14px;max-width:340px;
  border:1px solid var(--line);
}
.pwa-banner.show{display:flex;animation:pwaSlide .35s ease-out}
@keyframes pwaSlide{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.pwa-banner-icon{
  flex-shrink:0;width:42px;height:42px;border-radius:10px;
  background:var(--brand-gradient);color:#fff;
  display:grid;place-items:center;
}
.pwa-banner-icon svg{width:22px;height:22px}
.pwa-banner-text{flex:1}
.pwa-banner-text strong{display:block;font-size:14px;color:var(--navy);font-family:'Kanit',sans-serif}
.pwa-banner-text small{font-size:12.5px;color:var(--muted)}
.pwa-banner-actions{display:flex;gap:6px}
.pwa-banner button{
  border:0;background:var(--blue-700);color:#fff;
  padding:8px 14px;border-radius:8px;font-family:inherit;font-size:13px;
  cursor:pointer;font-weight:500;
}
.pwa-banner button.dismiss{background:transparent;color:var(--muted);padding:8px}
@media(max-width:640px){.pwa-banner{left:14px;right:14px;max-width:none}}

@media(max-width:900px){
  .gallery-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .gallery-grid{grid-template-columns:1fr}
}

/* ============================================================
   BRAND LOGO (replaces the old "SC" mark with actual logo)
============================================================ */
.brand-mark.has-logo{
  width:48px;height:48px;padding:0;background:transparent;box-shadow:none;
  border-radius:10px;overflow:hidden;flex-shrink:0;
}
.brand-mark.has-logo img{
  width:100%;height:100%;object-fit:contain;display:block;
}
.brand-mark-text{display:flex;align-items:center;gap:10px}

/* Footer logo - use full logo */
.footer-logo{
  display:block;max-width:200px;height:auto;margin-bottom:8px;
}
.footer-brand-name{font-family:'Kanit',sans-serif;font-weight:700;color:#fff;font-size:15.5px;line-height:1.3}
.footer-brand-name small{display:block;font-weight:400;font-size:12px;opacity:.8;margin-top:2px}

/* Hero brand watermark (optional decorative on home page) */
.hero-logo-watermark{
  position:absolute;right:-50px;top:50%;transform:translateY(-50%);
  width:280px;opacity:.06;pointer-events:none;z-index:1;
}

@media(max-width:640px){
  .brand-mark.has-logo{width:42px;height:42px}
  .footer-logo{max-width:160px}
}

/* ============================================================
   SOLAR ROI CALCULATOR
============================================================ */
.solar-calc-result{
  background:linear-gradient(160deg,#065f46 0%,#064e3b 100%);
}
.solar-calc-result .btu-value{
  background:linear-gradient(135deg,#fff,#a7f3d0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.solar-calc-result .btu-rec-value{color:#86efac}

.solar-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;
}
.solar-stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);
  padding:14px;border-radius:12px;text-align:center;backdrop-filter:blur(6px);
}
.solar-stat-label{font-size:12px;opacity:.75;margin-bottom:4px}
.solar-stat-value{
  font-family:'Kanit',sans-serif;font-size:18px;font-weight:700;color:#86efac;
}

/* Bill comparison chart */
.bill-chart{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;
  align-items:flex-end;height:140px;
}
.bill-bar-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;height:100%}
.bill-bar-container{
  width:60px;flex:1;background:rgba(255,255,255,.12);border-radius:8px 8px 0 0;
  display:flex;align-items:flex-end;overflow:hidden;
}
.bill-bar{
  width:100%;border-radius:8px 8px 0 0;
  transition:height .6s ease;
}
.bill-bar.before{background:linear-gradient(180deg,#fbbf24,#f59e0b)}
.bill-bar.after{background:linear-gradient(180deg,#86efac,#22c55e)}
.bill-bar-label{font-size:12px;color:#fff;text-align:center;line-height:1.3}
.bill-bar-label strong{display:block;font-family:'Kanit',sans-serif;font-size:14px}

@media(max-width:640px){
  .solar-stats{grid-template-columns:1fr}
}

/* ============================================================
   MULTI-STEP QUOTE FORM
============================================================ */
.quote-wrap{max-width:780px;margin:0 auto}
.quote-progress{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:40px;position:relative;padding:0 30px;
}
.quote-progress::before{
  content:"";position:absolute;top:18px;left:60px;right:60px;height:2px;
  background:var(--line);z-index:0;
}
.quote-progress .bar{
  position:absolute;top:18px;left:60px;height:2px;
  background:var(--brand-gradient);z-index:1;
  transition:width .4s ease;
}
.quote-step-dot{
  position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;
}
.quote-step-dot .dot{
  width:38px;height:38px;border-radius:50%;background:#fff;border:2px solid var(--line);
  display:grid;place-items:center;font-family:'Kanit',sans-serif;font-weight:600;color:var(--muted);
  transition:all .3s;
}
.quote-step-dot.active .dot{background:var(--blue-700);border-color:var(--blue-700);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.3)}
.quote-step-dot.done .dot{background:var(--green-600);border-color:var(--green-600);color:#fff}
.quote-step-dot .label{font-size:12px;color:var(--muted);text-align:center;font-weight:500}
.quote-step-dot.active .label{color:var(--navy);font-weight:600}

.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:36px;box-shadow:var(--shadow);
}
.quote-step{display:none}
.quote-step.active{display:block;animation:fadeIn .35s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.quote-step h3{
  font-family:'Kanit',sans-serif;font-size:22px;color:var(--navy);
  font-weight:600;margin-bottom:8px;
}
.quote-step .step-desc{color:var(--muted);font-size:14.5px;margin-bottom:24px}

/* Service type tiles */
.service-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.service-tile{
  border:2px solid var(--line);border-radius:14px;padding:18px 12px;
  cursor:pointer;text-align:center;transition:all .2s;background:#fff;
}
.service-tile:hover{border-color:var(--blue-500);background:var(--blue-50)}
.service-tile.selected{border-color:var(--blue-700);background:var(--blue-50);box-shadow:0 6px 16px rgba(29,78,216,.15)}
.service-tile .ic{font-size:32px;display:block;margin-bottom:6px}
.service-tile .name{font-family:'Kanit',sans-serif;font-weight:500;font-size:14px;color:var(--navy);line-height:1.2}

/* Pill checkboxes */
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.pill-check{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;
  border:1.5px solid var(--line);border-radius:30px;cursor:pointer;
  font-size:14px;color:var(--text);transition:all .2s;background:#fff;
}
.pill-check:hover{border-color:var(--blue-500)}
.pill-check input{display:none}
.pill-check.selected{background:var(--blue-700);border-color:var(--blue-700);color:#fff}
.pill-check.selected::before{content:"✓ ";font-weight:700}

/* File upload */
.file-upload{
  border:2px dashed var(--line);border-radius:14px;padding:24px;text-align:center;
  cursor:pointer;transition:all .2s;background:#fafbfd;
}
.file-upload:hover{border-color:var(--blue-500);background:var(--blue-50)}
.file-upload input{display:none}
.file-upload .upload-ic{font-size:36px;margin-bottom:6px}
.file-upload .upload-text{color:var(--text);font-size:14.5px}
.file-upload small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px}
.file-list{margin-top:14px;display:flex;flex-direction:column;gap:6px}
.file-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;background:var(--blue-50);border-radius:8px;font-size:13.5px;
}
.file-item button{background:none;border:0;color:#dc2626;cursor:pointer;font-size:16px}

/* Quote step buttons */
.quote-actions{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.quote-actions .btn-back{
  background:transparent;border:1.5px solid var(--line);color:var(--text);
  padding:11px 22px;border-radius:10px;cursor:pointer;font-family:inherit;font-size:14.5px;
  display:flex;align-items:center;gap:6px;
}
.quote-actions .btn-back:hover{background:var(--blue-50);border-color:var(--blue-500)}
.quote-actions .btn-next{
  background:var(--blue-700);color:#fff;border:0;
  padding:12px 28px;border-radius:10px;cursor:pointer;font-family:inherit;font-size:15px;
  font-weight:500;box-shadow:0 8px 20px rgba(29,78,216,.3);
  display:flex;align-items:center;gap:6px;
}
.quote-actions .btn-next:hover{background:var(--blue-800);transform:translateY(-1px)}
.quote-actions .btn-next:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* Summary card on step 4 */
.summary-row{
  display:grid;grid-template-columns:140px 1fr;gap:16px;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px;
}
.summary-row:last-child{border:0}
.summary-row .k{color:var(--muted);font-weight:500}
.summary-row .v{color:var(--navy)}

@media(max-width:640px){
  .quote-card{padding:24px 20px}
  .quote-progress{padding:0 10px}
  .quote-progress::before,.quote-progress .bar{left:30px;right:30px}
  .quote-step-dot .label{font-size:11px}
  .summary-row{grid-template-columns:1fr;gap:2px;padding:12px 0}
  .summary-row .k{font-size:12px}
}

/* ============================================================
   REVIEW SUBMISSION
============================================================ */
.review-form-card{
  max-width:680px;margin:0 auto;background:#fff;
  border-radius:20px;padding:36px;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.star-rating{
  display:flex;gap:6px;justify-content:center;margin:14px 0 24px;
}
.star-rating .star{
  font-size:38px;color:#e5e7eb;cursor:pointer;transition:all .2s;
  user-select:none;line-height:1;
}
.star-rating .star.filled{color:#f59e0b}
.star-rating .star:hover{transform:scale(1.15)}
.star-feedback{
  text-align:center;font-family:'Kanit',sans-serif;font-weight:500;
  font-size:16px;color:var(--blue-700);min-height:24px;margin-bottom:10px;
}

/* Live reviews loaded from GAS */
.live-reviews-loading{
  text-align:center;color:var(--muted);padding:40px;
}

/* ============================================================
   BOOKING SYSTEM
============================================================ */
.booking-wrap{max-width:920px;margin:0 auto}
.booking-grid{
  display:grid;grid-template-columns:1.3fr 1fr;gap:24px;
}
@media(max-width:900px){
  .booking-grid{grid-template-columns:1fr}
}

/* Calendar */
.cal-container{
  background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:24px;
}
.cal-header{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;
}
.cal-header h3{font-family:'Kanit',sans-serif;font-size:18px;color:var(--navy);font-weight:600}
.cal-nav-btn{
  width:36px;height:36px;border-radius:10px;background:var(--blue-50);
  border:0;color:var(--blue-700);font-size:18px;cursor:pointer;
  display:grid;place-items:center;
}
.cal-nav-btn:hover{background:var(--blue-100)}
.cal-grid{
  display:grid;grid-template-columns:repeat(7,1fr);gap:6px;
}
.cal-day-head{
  font-family:'Kanit',sans-serif;font-size:12px;color:var(--muted);
  text-align:center;padding:8px 0;font-weight:600;
}
.cal-day{
  aspect-ratio:1;display:grid;place-items:center;
  border-radius:10px;cursor:pointer;font-size:14px;color:var(--text);
  transition:all .15s;font-family:'Kanit',sans-serif;font-weight:500;
}
.cal-day:hover:not(.disabled){background:var(--blue-50);color:var(--blue-700)}
.cal-day.disabled{color:#cbd5e1;cursor:not-allowed}
.cal-day.today{border:2px solid var(--blue-500)}
.cal-day.selected{background:var(--blue-700);color:#fff;font-weight:700;box-shadow:0 6px 16px rgba(29,78,216,.3)}
.cal-day.full{background:#fee2e2;color:#dc2626;cursor:not-allowed}
.cal-legend{
  display:flex;gap:14px;font-size:12px;color:var(--muted);margin-top:14px;
  padding-top:14px;border-top:1px solid var(--line);justify-content:center;flex-wrap:wrap;
}
.cal-legend span{display:flex;align-items:center;gap:4px}
.cal-legend .dot{width:10px;height:10px;border-radius:50%}
.cal-legend .dot.free{background:#fff;border:1.5px solid var(--blue-500)}
.cal-legend .dot.full{background:#fee2e2;border:1px solid #fca5a5}
.cal-legend .dot.selected{background:var(--blue-700)}

/* Time slots */
.time-slots{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0;
}
.time-slot{
  padding:10px;border:1.5px solid var(--line);border-radius:10px;
  cursor:pointer;font-family:'Kanit',sans-serif;font-size:14px;text-align:center;
  background:#fff;transition:all .15s;color:var(--text);
}
.time-slot:hover:not(.disabled){border-color:var(--blue-500);color:var(--blue-700)}
.time-slot.selected{background:var(--blue-700);border-color:var(--blue-700);color:#fff}
.time-slot.disabled{background:#f3f4f6;color:#9ca3af;cursor:not-allowed}

.booking-summary{
  background:var(--blue-50);border-radius:14px;padding:14px 18px;
  border-left:4px solid var(--blue-700);margin:18px 0;
  font-size:14.5px;color:var(--text);line-height:1.6;
}
.booking-summary strong{color:var(--navy);font-family:'Kanit',sans-serif}

/* ============================================================
   BLOG CARD - WHOLE CARD CLICKABLE
============================================================ */
.blog-card-link{
  display:block;
  text-decoration:none;
  color:inherit;
}
.blog-card-link:hover{
  text-decoration:none;
}
/* Inherit hover effect from .blog-card but trigger from .blog-card-link */
.blog-card-link:hover .blog-card{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
/* Title color on hover */
.blog-card-link:hover h3{
  color:var(--blue-700);
}
.blog-card h3{
  transition:color .2s ease;
}

/* Also apply to gallery cards - make them feel clickable too */
.gallery-card{
  cursor:pointer;
}

/* ============================================================
   BLOG TOOLBAR (search + filter)
============================================================ */
.blog-toolbar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-bottom:24px;
}
.blog-search{
  position:relative;flex:1;min-width:240px;max-width:380px;
}
.blog-search input{
  width:100%;padding:11px 38px 11px 38px;
  border:1.5px solid var(--line);border-radius:30px;
  font-family:inherit;font-size:14.5px;color:var(--text);
  background:#fff;transition:border-color .15s,box-shadow .15s;
}
.blog-search input:focus{
  outline:0;border-color:var(--blue-500);
  box-shadow:0 0 0 3px rgba(59,130,246,.15);
}
.blog-search-ic{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--muted);pointer-events:none;
}
#blogSearchClear{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  background:#e5e7eb;color:var(--muted);border:0;cursor:pointer;
  font-size:12px;display:grid;place-items:center;line-height:1;
  transition:all .15s;
}
#blogSearchClear:hover{background:#d1d5db;color:var(--text)}

.blog-filter{display:flex;gap:8px;flex-wrap:wrap}
.blog-filter-btn{
  padding:9px 16px;border:1.5px solid var(--line);
  background:#fff;color:var(--text);border-radius:30px;
  font-family:'Kanit',sans-serif;font-size:13.5px;font-weight:500;
  cursor:pointer;transition:all .15s;
}
.blog-filter-btn:hover{border-color:var(--blue-500);color:var(--blue-700)}
.blog-filter-btn.active{
  background:var(--blue-700);border-color:var(--blue-700);color:#fff;
  box-shadow:0 4px 12px rgba(29,78,216,.25);
}

.blog-result-count{
  color:var(--muted);font-size:13.5px;margin-bottom:16px;
}

/* ============================================================
   BLOG CARD - IMAGE + READMORE + CLICKABLE
============================================================ */
.blog-card-img-wrap{
  position:relative;width:100%;aspect-ratio:16/9;
  background:linear-gradient(135deg,#dbeafe,#bfdbfe);
  border-radius:16px 16px 0 0;overflow:hidden;
}
.blog-card-img-wrap img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .35s ease;
}
.blog-card-link:hover .blog-card-img-wrap img{
  transform:scale(1.04);
}
.blog-card-readmore{
  color:var(--blue-700);font-weight:600;margin-left:auto;
  font-family:'Kanit',sans-serif;
}

/* No results placeholder */
.blog-no-results{
  text-align:center;padding:60px 20px;color:var(--muted);
}
.blog-no-results-ic{font-size:56px;margin-bottom:14px;opacity:.5}
.blog-no-results h3{
  font-family:'Kanit',sans-serif;font-size:20px;color:var(--navy);
  margin-bottom:6px;
}
.blog-no-results p{font-size:14.5px}

/* ============================================================
   SHARE BUTTONS (for blog articles)
============================================================ */
.share-buttons{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin:32px 0;padding:20px;
  background:#f8fafc;border:1px solid var(--line);
  border-radius:12px;
}
.share-buttons-label{
  font-family:'Kanit',sans-serif;font-weight:500;color:var(--navy);
  font-size:14.5px;margin-right:6px;
}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:8px;text-decoration:none;
  font-family:'Kanit',sans-serif;font-size:13.5px;font-weight:500;
  color:#fff;transition:transform .15s,box-shadow .15s;
  border:0;cursor:pointer;font-family:inherit;
}
.share-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.15)}
.share-btn.fb{background:#1877F2}
.share-btn.line{background:#06C755}
.share-btn.copy{background:#6B7280}
.share-btn.copy.copied{background:#10B981}
.share-btn .ic{font-size:16px;line-height:1}

@media(max-width:640px){
  .blog-toolbar{flex-direction:column;align-items:stretch}
  .blog-search{max-width:none}
  .blog-filter{justify-content:center}
  .share-buttons{flex-direction:column;align-items:stretch}
  .share-btn{justify-content:center}
}

/* ============================================================
   PROFESSIONAL FORM STYLING (all forms across the site)
============================================================ */
.form-group{margin-bottom:18px}
.form-group label{
  display:block;
  font-family:'Kanit',sans-serif;
  font-size:14.5px;
  font-weight:500;
  color:var(--navy);
  margin-bottom:8px;
}
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group select,
.form-group textarea,
form input[type="text"]:not(.btu-input):not(.solar-input),
form input[type="tel"],
form input[type="email"],
form input[type="number"]:not(.btu-input):not(.solar-input),
form select,
form textarea{
  width:100%;
  padding:13px 16px;
  font-family:'Prompt','Kanit',sans-serif;
  font-size:15.5px;
  color:var(--text);
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:10px;
  transition:border-color .15s, box-shadow .15s, background .15s;
  box-sizing:border-box;
  line-height:1.5;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
form input:focus,
form select:focus,
form textarea:focus{
  outline:0;
  border-color:var(--blue-500);
  background:#fafbff;
  box-shadow:0 0 0 4px rgba(59,130,246,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder,
form input::placeholder,
form textarea::placeholder{
  color:#9ca3af;
  font-size:14.5px;
}
.form-group textarea,
form textarea{
  min-height:110px;
  resize:vertical;
  line-height:1.6;
}
.form-group select,
form select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:18px;
  padding-right:42px;
  cursor:pointer;
}
.form-group select:hover{border-color:var(--blue-400)}

/* Required indicator styling */
.form-group label::after{
  content:"";
}
.form-group input:required + .req-mark,
.form-group label[data-required]::after{
  color:#ef4444;
  margin-left:3px;
}

/* Improved blog search input styling */
.blog-search input{
  padding:13px 42px 13px 44px !important;
  font-family:'Prompt','Kanit',sans-serif !important;
  font-size:15px !important;
  height:auto;
}
.blog-search-ic{
  font-size:16px !important;
  left:14px !important;
}
#blogSearchClear{
  width:26px !important;
  height:26px !important;
  right:10px !important;
  font-size:13px !important;
}

/* ============================================================
   GALLERY WITH REAL IMAGES (NEW)
   - Drop a JPG/PNG into assets/img/gallery/
   - Add data-img="filename.jpg" to gallery-card
   - Optional: data-img-after="after.jpg" for before/after
============================================================ */
.gallery-img.has-photo{
  background:#fff;
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
}
.gallery-img.has-photo img{
  width:100%;height:100%;object-fit:contain;display:block;
  transition:transform .4s ease;
}
.gallery-card:hover .gallery-img.has-photo img{
  transform:scale(1.03);
}

/* Before/After split with real images */
.gallery-img.ba-photo{
  position:relative;
  overflow:hidden;
}
.gallery-img.ba-photo .photo-before,
.gallery-img.ba-photo .photo-after{
  position:absolute;top:0;height:100%;
  width:50%;overflow:hidden;
}
.gallery-img.ba-photo .photo-before{left:0}
.gallery-img.ba-photo .photo-after{right:0}
.gallery-img.ba-photo .photo-before img,
.gallery-img.ba-photo .photo-after img{
  width:200%;height:100%;object-fit:cover;display:block;
}
.gallery-img.ba-photo .photo-after img{margin-left:-100%}
.gallery-img.ba-photo .photo-before::after{
  content:"BEFORE";
  position:absolute;bottom:8px;left:8px;
  background:rgba(220,38,38,.95);color:#fff;
  padding:3px 9px;border-radius:4px;
  font-family:'Kanit',sans-serif;font-size:11px;font-weight:600;
}
.gallery-img.ba-photo .photo-after::before{
  content:"AFTER";
  position:absolute;bottom:8px;right:8px;
  background:rgba(22,163,74,.95);color:#fff;
  padding:3px 9px;border-radius:4px;
  font-family:'Kanit',sans-serif;font-size:11px;font-weight:600;
}
.gallery-img.ba-photo .vs-line{
  position:absolute;top:0;bottom:0;left:50%;
  width:3px;background:#fff;transform:translateX(-50%);
  box-shadow:0 0 12px rgba(0,0,0,.4);
}

/* ============================================================
   BACK TO TOP BUTTON
============================================================ */
.back-to-top{
  position:fixed;
  bottom:90px;
  left:24px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--navy);
  color:#fff;border:0;cursor:pointer;
  display:grid;place-items:center;
  font-size:20px;line-height:1;
  box-shadow:0 6px 20px rgba(11,37,69,.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s, visibility .3s, transform .3s, background .2s;
  z-index:90;
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--blue-700);transform:translateY(-3px)}
@media(max-width:640px){
  .back-to-top{bottom:84px;left:16px;width:42px;height:42px;font-size:18px}
}

/* ============================================================
   PROMOTION BANNER (top of page, dismissible)
============================================================ */
.promo-banner{
  background:linear-gradient(90deg,var(--blue-700),var(--green-600));
  color:#fff;text-align:center;
  padding:10px 44px 10px 16px;position:relative;
  font-family:'Kanit',sans-serif;font-size:14px;
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
}
.promo-banner a{color:#fff;text-decoration:underline;font-weight:600}
.promo-banner .promo-close{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,.2);border:0;color:#fff;
  width:26px;height:26px;border-radius:50%;cursor:pointer;
  font-size:14px;display:grid;place-items:center;transition:background .15s;
}
.promo-banner .promo-close:hover{background:rgba(255,255,255,.35)}
@media(max-width:640px){
  .promo-banner{font-size:12.5px;padding:9px 40px 9px 12px}
}

/* ============================================================
   LEAD CAPTURE POPUP (exit intent / timed)
============================================================ */
.lead-popup-overlay{
  position:fixed;inset:0;background:rgba(11,37,69,.6);
  backdrop-filter:blur(3px);
  display:none;align-items:center;justify-content:center;
  z-index:1000;padding:20px;
  animation:fadeInOverlay .25s ease;
}
.lead-popup-overlay.show{display:flex}
@keyframes fadeInOverlay{from{opacity:0}to{opacity:1}}
.lead-popup{
  background:#fff;border-radius:20px;max-width:420px;width:100%;
  padding:0;overflow:hidden;position:relative;
  box-shadow:0 30px 80px rgba(0,0,0,.4);
  animation:popIn .35s cubic-bezier(.34,1.56,.64,1);
}
@keyframes popIn{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}
.lead-popup-header{
  background:linear-gradient(135deg,var(--blue-700),var(--green-600));
  color:#fff;padding:28px 24px 24px;text-align:center;position:relative;
}
.lead-popup-header .badge{
  display:inline-block;background:rgba(255,255,255,.22);
  padding:4px 14px;border-radius:30px;font-size:13px;font-weight:600;
  margin-bottom:10px;font-family:'Kanit',sans-serif;
}
.lead-popup-header h3{
  font-family:'Kanit',sans-serif;font-size:24px;font-weight:700;
  margin:0 0 6px;line-height:1.3;
}
.lead-popup-header p{font-size:14px;opacity:.95;margin:0}
.lead-popup-close{
  position:absolute;right:14px;top:14px;
  background:rgba(255,255,255,.2);border:0;color:#fff;
  width:30px;height:30px;border-radius:50%;cursor:pointer;
  font-size:16px;display:grid;place-items:center;transition:background .15s;
}
.lead-popup-close:hover{background:rgba(255,255,255,.35)}
.lead-popup-body{padding:24px}
.lead-popup-body .form-group{margin-bottom:14px}
.lead-popup-success{
  text-align:center;padding:30px 24px;
}
.lead-popup-success .ic{font-size:56px;margin-bottom:12px}
.lead-popup-success h3{
  font-family:'Kanit',sans-serif;font-size:22px;color:var(--navy);margin-bottom:8px;
}
.lead-popup-success p{color:var(--muted);font-size:14.5px;line-height:1.6}

/* ============================================================
   GEO LOCATION PIN (booking & quote forms)
============================================================ */
.geo-pin-box{display:flex;flex-direction:column;gap:10px}
.geo-pin-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 18px;
  background:var(--blue-50);
  color:var(--blue-700);
  border:1.5px dashed var(--blue-400);
  border-radius:10px;
  font-family:'Kanit',sans-serif;font-size:14.5px;font-weight:500;
  cursor:pointer;transition:all .15s;width:100%;
}
.geo-pin-btn:hover{background:#dbeafe;border-color:var(--blue-500)}
.geo-pin-btn:disabled{opacity:.6;cursor:wait}
.geo-pin-btn.locating{color:var(--muted)}

.geo-result{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:12px 16px;
  background:#ecfdf5;border:1.5px solid #6ee7b7;border-radius:10px;
  font-size:14px;
}
.geo-result .geo-ok{color:#047857;font-weight:600;font-family:'Kanit',sans-serif}
.geo-result a{color:var(--blue-700);font-weight:600;text-decoration:none}
.geo-result a:hover{text-decoration:underline}
.geo-clear{
  margin-left:auto;background:#fca5a5;color:#fff;border:0;
  width:24px;height:24px;border-radius:50%;cursor:pointer;
  font-size:12px;display:grid;place-items:center;transition:background .15s;
}
.geo-clear:hover{background:#ef4444}
.geo-hint{font-size:12.5px;color:var(--muted);margin-top:8px;line-height:1.5}
.geo-pin-btn.error{background:#fef2f2;border-color:#fca5a5;color:#dc2626}

/* ============================================================
   SERVICES HUB PAGE
============================================================ */
.services-hub-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:24px;
}
.service-hub-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  overflow:hidden;text-decoration:none;color:inherit;
  transition:transform .2s, box-shadow .2s, border-color .2s;
}
.service-hub-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.service-hub-img{
  height:170px;overflow:hidden;
  background:linear-gradient(135deg,#dbeafe,#bfdbfe);
  display:grid;place-items:center;
}
.service-hub-img img{
  width:auto;max-width:100%;height:100%;object-fit:contain;display:block;
  transition:transform .35s ease;
}
.service-hub-card:hover .service-hub-img img{transform:scale(1.05)}
.service-hub-body{padding:22px;flex:1;display:flex;flex-direction:column}
.service-hub-body h3{
  font-family:'Kanit',sans-serif;font-size:19px;color:var(--navy);
  margin-bottom:8px;
}
.service-hub-body p{
  color:var(--muted);font-size:14.5px;line-height:1.6;
  flex:1;margin-bottom:14px;
}
.service-hub-link{
  color:var(--blue-700);font-weight:600;font-size:14.5px;
  font-family:'Kanit',sans-serif;
}

/* ============================================================
   TRUST BADGES BAR
============================================================ */
.trust-bar{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:24px 0;
}
.trust-bar-grid{
  display:flex;justify-content:space-around;align-items:center;
  gap:20px;flex-wrap:wrap;
}
.trust-badge{
  display:flex;align-items:center;gap:12px;
}
.trust-badge-ic{
  font-size:32px;line-height:1;
  width:54px;height:54px;border-radius:50%;
  background:var(--blue-50);display:grid;place-items:center;
  flex-shrink:0;
}
.trust-badge-text{display:flex;flex-direction:column;line-height:1.3}
.trust-badge-text strong{
  font-family:'Kanit',sans-serif;font-size:15.5px;color:var(--navy);font-weight:600;
}
.trust-badge-text span{font-size:13px;color:var(--muted)}
@media(max-width:768px){
  .trust-bar-grid{gap:16px}
  .trust-badge{flex:1 1 40%;min-width:140px}
  .trust-badge-ic{width:44px;height:44px;font-size:26px}
  .trust-badge-text strong{font-size:14px}
  .trust-badge-text span{font-size:12px}
}

/* ============================================================
   COOKIE CONSENT BANNER (PDPA)
============================================================ */
.cookie-consent{
  position:fixed;bottom:0;left:0;right:0;
  background:var(--navy);color:#fff;
  padding:16px 20px;z-index:200;
  display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
  box-shadow:0 -4px 20px rgba(0,0,0,.2);
  transform:translateY(100%);transition:transform .4s ease;
}
.cookie-consent.show{transform:translateY(0)}
.cookie-consent p{font-size:13.5px;line-height:1.5;margin:0;max-width:680px;opacity:.95}
.cookie-consent p a{color:#7dd3fc;text-decoration:underline}
.cookie-consent-actions{display:flex;gap:10px;flex-shrink:0}
.cookie-btn{
  padding:9px 20px;border-radius:8px;border:0;cursor:pointer;
  font-family:'Kanit',sans-serif;font-size:13.5px;font-weight:500;transition:all .15s;
}
.cookie-btn.accept{background:var(--green-500);color:#fff}
.cookie-btn.accept:hover{background:var(--green-600)}
.cookie-btn.decline{background:rgba(255,255,255,.15);color:#fff}
.cookie-btn.decline:hover{background:rgba(255,255,255,.25)}
@media(max-width:640px){
  .cookie-consent{flex-direction:column;gap:12px;padding:16px;text-align:center}
  .cookie-consent-actions{width:100%}
  .cookie-btn{flex:1}
}