@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap');

/* =========================================================
   รวมหลังคา.com — Design System (Premium Industrial)
   1. Tokens         5. Hero            9.  Steps / Reviews
   2. Base           6. Trust / Stats   10. FAQ / CTA / Footer
   3. Components     7. Categories      11. Inner pages
   4. Header         8. Compare / Works 12. Motion / Responsive
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  --ink:#0b0f0c;
  --ink-2:#141a16;
  --ink-3:#1d251f;
  --ink-4:#2a332c;

  --lime:#d4fb53;
  --lime-2:#aae52d;
  --green:#7cb800;
  --green-d:#4a7500;
  --green-ink:#33540a;

  --paper:#fff;
  --sand:#f6f8f2;
  --sand-2:#edf1e6;
  --line:#e2e7db;
  --line-2:#d3dac9;
  --line-dark:rgba(255,255,255,.11);

  --muted:#6d7568;
  --muted-dark:#9ba695;

  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 24px 60px rgba(20,40,8,.13);
  --shadow-sm:0 6px 22px rgba(20,40,8,.07);
  /* ใช้ Kanit ทั้งเว็บ — ตัวแปรนี้ไว้สำหรับข้อความป้ายกำกับ/ตัวเลข (เว้นระยะตัวอักษรต่างจากเนื้อหาปกติ) */
  --label:'Kanit',system-ui,sans-serif;
}

/* ---------- 2. Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:96px}
body{margin:0;font-family:'Kanit',system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.62;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
h1,h2,h3,h4{line-height:1.16;letter-spacing:-.02em;margin:0}
p{margin:0}
ul{margin:0;padding-left:18px}

.container{width:min(1220px,calc(100% - 44px));margin:auto}
.section{padding:96px 0}
.section.tight{padding:64px 0}
.section.dark{background:var(--ink);color:#e8ede5}
.muted{color:var(--muted)}
.section.dark .muted{color:var(--muted-dark)}

.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--label);font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--green-d)}
.eyebrow:before{content:'';width:26px;height:2px;background:linear-gradient(90deg,var(--green),var(--lime))}
.section.dark .eyebrow{color:var(--lime)}
.title{font-size:clamp(30px,3.6vw,46px);margin:14px 0 14px}
.lead{font-size:17px;color:var(--muted);max-width:60ch}
.section.dark .lead{color:var(--muted-dark)}

.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:38px}
.section-head .title{margin-bottom:8px}
.grid{display:grid;gap:20px}

/* ---------- 3. Components ---------- */

/* ═══════════════════════════════════════
   iOS 26 Liquid Glass — Button System
   Premium pill-shape + animated shimmer
   ═══════════════════════════════════════ */

@keyframes btn-shimmer{
  0%   {transform:translateX(-100%) skewX(-18deg)}
  100% {transform:translateX(220%)  skewX(-18deg)}
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;           /* pill — iOS 26 signature */
  padding:13px 28px;
  font-weight:700;
  font-size:15px;
  font-family:'Kanit',system-ui,sans-serif;
  letter-spacing:.01em;
  border:none;
  cursor:pointer;
  white-space:nowrap;
  position:relative;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  isolation:isolate;
  transition:
    transform .2s cubic-bezier(.34,1.56,.64,1),
    box-shadow .25s ease;
}

/* Animated shimmer sweep on hover */
.btn::after{
  content:'';
  position:absolute;
  top:-20%; bottom:-20%;
  left:0;
  width:40%;
  background:linear-gradient(
    105deg,
    transparent 20%,
    rgba(255,255,255,.38) 50%,
    transparent 80%
  );
  transform:translateX(-100%) skewX(-18deg);
  pointer-events:none;
}
.btn:hover::after{
  animation:btn-shimmer .55s ease forwards;
}
.btn:active{
  transform:scale(.95) !important;
  transition:transform .08s ease !important;
}

/* ─── PRIMARY — Lime acid glow ─── */
.btn-primary{
  background:linear-gradient(145deg,#e9ff6e 0%,#b8f020 40%,#82cc00 100%);
  color:#152000;
  text-shadow:0 1px 0 rgba(255,255,255,.25);
  box-shadow:
    /* top specular rim */
    0 1px 0 rgba(255,255,255,.7) inset,
    /* bottom depth */
    0 -2px 0 rgba(0,0,0,.18) inset,
    /* ambient glow */
    0 0  0   1px rgba(180,240,30,.35),
    0 6px 20px rgba(160,230,20,.5),
    0 16px 40px rgba(120,200,0,.3),
    0 2px 4px  rgba(0,0,0,.12);
}
.btn-primary:hover{
  transform:translateY(-4px) scale(1.03);
  box-shadow:
    0 1px 0 rgba(255,255,255,.7) inset,
    0 -2px 0 rgba(0,0,0,.18) inset,
    0 0  0   1px rgba(180,240,30,.4),
    0 8px 28px rgba(160,230,20,.65),
    0 22px 50px rgba(120,200,0,.38),
    0 2px 4px  rgba(0,0,0,.14);
}

/* ─── DARK — frosted ink glass ─── */
.btn-dark{
  background:
    linear-gradient(145deg,
      rgba(255,255,255,.13) 0%,
      rgba(255,255,255,.04) 50%,
      transparent 100%
    ),
    #0e1410;
  color:#f0f4ec;
  box-shadow:
    0 1px 0 rgba(255,255,255,.15) inset,
    0 -1px 0 rgba(0,0,0,.45) inset,
    0 0  0   1px rgba(255,255,255,.08),
    0 6px 20px rgba(0,0,0,.4),
    0 14px 36px rgba(0,0,0,.24);
}
.btn-dark:hover{
  transform:translateY(-4px) scale(1.03);
  box-shadow:
    0 1px 0 rgba(255,255,255,.18) inset,
    0 -1px 0 rgba(0,0,0,.45) inset,
    0 0  0   1px rgba(255,255,255,.12),
    0 10px 28px rgba(0,0,0,.5),
    0 20px 44px rgba(0,0,0,.3);
}

/* ─── OUTLINE — frosted white glass (light bg) ─── */
.btn-outline{
  background:
    linear-gradient(145deg,
      rgba(255,255,255,.82) 0%,
      rgba(255,255,255,.48) 100%
    );
  color:var(--ink);
  backdrop-filter:blur(24px) saturate(1.8);
  -webkit-backdrop-filter:blur(24px) saturate(1.8);
  box-shadow:
    0 1px 0 rgba(255,255,255,.95) inset,
    0 -1px 0 rgba(0,0,0,.07) inset,
    0 0  0   1px rgba(0,0,0,.09),
    0 4px 16px rgba(0,0,0,.1),
    0 10px 28px rgba(0,0,0,.07);
}
.btn-outline:hover{
  transform:translateY(-4px) scale(1.03);
  color:var(--green-d);
  box-shadow:
    0 1px 0 rgba(255,255,255,.95) inset,
    0 -1px 0 rgba(0,0,0,.07) inset,
    0 0  0   1px rgba(100,170,0,.25),
    0 6px 22px rgba(0,0,0,.13),
    0 14px 34px rgba(100,180,0,.12);
}

/* ─── GHOST — true liquid glass on dark bg ─── */
.btn-ghost{
  background:
    linear-gradient(145deg,
      rgba(255,255,255,.18) 0%,
      rgba(255,255,255,.07) 60%,
      rgba(255,255,255,.03) 100%
    );
  color:#dde8d8;
  backdrop-filter:blur(22px) saturate(1.5);
  -webkit-backdrop-filter:blur(22px) saturate(1.5);
  box-shadow:
    0 1px 0 rgba(255,255,255,.32) inset,
    0 -1px 0 rgba(0,0,0,.22) inset,
    0 0  0   1px rgba(255,255,255,.16),
    0 4px 18px rgba(0,0,0,.25),
    0 10px 30px rgba(0,0,0,.18);
}
.btn-ghost:hover{
  transform:translateY(-4px) scale(1.03);
  background:
    linear-gradient(145deg,
      rgba(255,255,255,.26) 0%,
      rgba(255,255,255,.11) 60%,
      rgba(255,255,255,.05) 100%
    );
  color:#fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,.36) inset,
    0 -1px 0 rgba(0,0,0,.22) inset,
    0 0  0   1px rgba(212,251,83,.3),
    0 6px 24px rgba(0,0,0,.3),
    0 14px 38px rgba(0,0,0,.2),
    0 0 20px rgba(212,251,83,.08);
}

/* ─── LINE — vivid green glass ─── */
.btn-line{
  background:linear-gradient(145deg,#23e86c 0%,#06c755 45%,#03a046 100%);
  color:#fff;
  text-shadow:0 1px 2px rgba(0,80,30,.3);
  box-shadow:
    0 1px 0 rgba(255,255,255,.5) inset,
    0 -2px 0 rgba(0,0,0,.16) inset,
    0 0  0   1px rgba(6,199,85,.3),
    0 6px 20px rgba(6,199,85,.45),
    0 16px 36px rgba(4,130,55,.28),
    0 2px 4px rgba(0,0,0,.12);
}
.btn-line:hover{
  transform:translateY(-4px) scale(1.03);
  box-shadow:
    0 1px 0 rgba(255,255,255,.5) inset,
    0 -2px 0 rgba(0,0,0,.16) inset,
    0 0  0   1px rgba(6,199,85,.35),
    0 8px 28px rgba(6,199,85,.6),
    0 22px 46px rgba(4,130,55,.35),
    0 2px 4px rgba(0,0,0,.14);
}

.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:var(--sand-2);color:var(--green-ink);font-size:13px;font-weight:500}
.badge-dark{background:rgba(212,251,83,.12);color:var(--lime);border:1px solid rgba(212,251,83,.24)}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:#cfd8c8}
.chip b{color:var(--lime);font-weight:600}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.kicker-num{font-family:var(--label);font-size:12px;letter-spacing:.14em;color:var(--green-d)}

/* Corrugated sheet texture — ใช้ซ้ำทุกที่ที่ต้องการลอนหลังคา */
.corr{background:repeating-linear-gradient(90deg,#e9ece6 0 15px,#cfd4ca 15px 18px)}
.corr.dark{background:repeating-linear-gradient(90deg,#333a33 0 15px,#171d18 15px 18px)}
.corr.red{background:repeating-linear-gradient(90deg,#9a4237 0 15px,#6f2c24 15px 18px)}
.corr.blue{background:repeating-linear-gradient(90deg,#3a5c88 0 15px,#26405f 15px 18px)}
.corr.green{background:repeating-linear-gradient(90deg,#4e7a45 0 15px,#33562e 15px 18px)}
.corr.clear{background:repeating-linear-gradient(90deg,rgba(214,238,247,.9) 0 15px,rgba(160,199,216,.9) 15px 18px)}

/* ---------- 4. Header ---------- */
.topbar{background:var(--ink);color:var(--muted-dark);font-size:13px;border-bottom:1px solid var(--line-dark)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:18px;height:38px}
.topbar-left{display:flex;gap:22px;align-items:center}
.topbar b{color:var(--lime);font-weight:500}
.topbar .sep{color:#3c463b}

.header{position:sticky;top:0;z-index:100;background:#000;backdrop-filter:blur(16px);border-bottom:1px solid var(--line-dark);color:#eef2ea}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;white-space:nowrap;color:#fff}

.brand span{font-size:16px;line-height:1.15}
.brand span small{display:block;font-family:var(--label);font-size:9px;letter-spacing:.18em;color:var(--muted-dark);font-weight:400}

.nav-links{display:flex;align-items:center;gap:30px;font-size:14.5px}
.nav-links a{position:relative;color:#d3dbcd;padding:6px 0;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active:after{content:'';position:absolute;left:0;right:0;bottom:-26px;height:2px;background:var(--lime)}
.nav-actions{display:flex;align-items:center;gap:12px}
/* ═══════════════════════════════════════
   iOS 26 Liquid Glass — Language Toggle
   Segmented pill control
   ═══════════════════════════════════════ */
.lang{
  display:flex;
  gap:2px;
  padding:3px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  backdrop-filter:blur(20px) saturate(1.6);
  -webkit-backdrop-filter:blur(20px) saturate(1.6);
  border:1px solid rgba(255,255,255,.15);
  box-shadow:
    0 1px 0 rgba(255,255,255,.18) inset,
    0 4px 16px rgba(0,0,0,.28);
}
.lang button{
  border:none;
  background:transparent;
  color:rgba(180,195,172,.7);
  padding:6px 13px;
  cursor:pointer;
  font-size:11.5px;
  font-weight:700;
  font-family:var(--label);
  border-radius:999px;
  letter-spacing:.08em;
  position:relative;
  overflow:hidden;
  transition:all .24s cubic-bezier(.34,1.56,.64,1);
}
.lang button.active{
  background:linear-gradient(145deg,#e9ff6e 0%,#b8f020 45%,#82cc00 100%);
  color:#152000;
  font-weight:800;
  box-shadow:
    0 1px 0 rgba(255,255,255,.75) inset,
    0 -1px 0 rgba(0,0,0,.14) inset,
    0 0 0 0.5px rgba(160,230,20,.4),
    0 3px 12px rgba(150,220,20,.55),
    0 8px 20px rgba(100,180,0,.3);
  transform:scale(1.08);
}
.lang button:not(.active):hover{
  color:#fff;
  background:rgba(255,255,255,.11);
  transform:scale(1.05);
}
.menu-toggle{display:none;border:1px solid var(--line-dark);background:rgba(255,255,255,.05);color:#fff;width:44px;height:44px;border-radius:10px;font-size:19px;cursor:pointer}

/* ---------- 5. Hero ---------- */
.hero{position:relative;background:var(--ink);color:#eef2ea;overflow:hidden;padding:86px 0 96px}
.hero:before{content:'';position:absolute;inset:0;background:
  radial-gradient(720px 420px at 78% 8%,rgba(124,184,0,.20),transparent 60%),
  radial-gradient(560px 360px at 8% 92%,rgba(212,251,83,.09),transparent 62%)}
.hero:after{content:'';position:absolute;inset:0;opacity:.5;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:92px 92px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(40px,5.2vw,68px);letter-spacing:-.035em;margin:22px 0 20px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero p.lead{color:#b9c4b1;font-size:18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0 26px}
.hero-chips{display:flex;gap:22px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line-dark)}

/* ภาพหลังคาแบบวาดด้วย CSS (ไม่ใช้ไฟล์รูป) */
.hero-visual{position:relative;min-height:470px}
.sheet-stack{position:absolute;inset:26px 0 40px 0;perspective:1200px}
.sheet{position:absolute;left:6%;right:6%;height:23%;border-radius:6px;transform-origin:center;box-shadow:0 24px 40px rgba(0,0,0,.45);transform:rotateX(56deg) rotateZ(-38deg)}
.sheet:after{content:'';position:absolute;inset:0;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.22),transparent 45%)}
.sheet.s1{top:8%}
.sheet.s2{top:26%}
.sheet.s3{top:44%}
.sheet.s4{top:62%}
.spec-float{position:absolute;z-index:6;background:rgba(20,26,22,.86);border:1px solid var(--line-dark);backdrop-filter:blur(10px);border-radius:14px;padding:14px 17px;box-shadow:0 20px 44px rgba(0,0,0,.4)}
.spec-float b{display:block;font-size:15px;color:#fff}
.spec-float small{font-family:var(--label);font-size:11px;letter-spacing:.1em;color:var(--lime)}
.spec-float.a{right:-6px;top:16px}
.spec-float.b{left:-14px;bottom:44px}
.spec-float.c{right:22px;bottom:-6px;background:var(--lime);border-color:transparent}
.spec-float.c b{color:#182300}
.spec-float.c small{color:#3d5900}

/* ---------- 6. Trust bar / stats ---------- */
.trustbar{background:var(--ink-2);border-top:1px solid var(--line-dark);color:#dfe6da}
.trustbar .container{display:grid;grid-template-columns:repeat(4,1fr)}
.trust{padding:26px 24px;display:flex;gap:14px;align-items:center;border-right:1px solid var(--line-dark)}
.trust:last-child{border-right:0}
.trust-ic{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;background:rgba(212,251,83,.11);color:var(--lime);font-size:19px}
.trust strong{display:block;font-size:15px;font-weight:500}
.trust small{color:var(--muted-dark);font-size:12.5px}

/* แถบตัวเลขพื้นเข้ม — ใช้ปิดท้ายส่วนผลงาน */
.stat-strip{position:relative;overflow:hidden;margin-top:22px;border-radius:var(--radius-lg);background:var(--ink);color:#fff;display:grid;grid-template-columns:repeat(4,1fr)}
.stat-strip:before{content:'';position:absolute;inset:0;background:radial-gradient(680px 260px at 12% 0%,rgba(124,184,0,.24),transparent 62%)}
.stat-strip:after{content:'';position:absolute;right:-70px;bottom:-90px;width:280px;height:150px;transform:skewY(-10deg);background:repeating-linear-gradient(90deg,rgba(212,251,83,.06) 0 16px,transparent 16px 19px)}
.stat-strip>div{position:relative;z-index:1;padding:32px 30px;border-right:1px solid var(--line-dark)}
.stat-strip>div:last-child{border-right:0}
.stat-strip b{display:block;font-family:var(--label);font-size:44px;font-weight:600;letter-spacing:-.02em;line-height:1;color:var(--lime)}
.stat-strip b i{font-style:normal;font-size:20px;font-weight:500;letter-spacing:0;margin-left:5px;color:#fff}
.stat-strip span{display:block;margin-top:12px;font-size:13.5px;color:var(--muted-dark);max-width:24ch}

/* ---------- 7. Categories ---------- */
.category-grid{grid-template-columns:repeat(3,1fr)}
.category-card{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.cat-visual{height:170px;position:relative;overflow:hidden;background:linear-gradient(180deg,#e9eee4,#dbe2d3)}
.cat-visual .panel{position:absolute;left:-6%;right:-6%;top:30%;height:44%;transform:skewY(-9deg) skewX(-14deg);box-shadow:0 18px 26px rgba(0,0,0,.18)}
.cat-visual:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.28),transparent 40%)}
.cat-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.cat-body h3{font-size:19px}
.cat-body .cat-meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;font-family:var(--label);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.category-card:hover .cat-meta{color:var(--green-d)}
.cat-arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;transition:.25s}
.category-card:hover .cat-arrow{background:var(--lime);border-color:var(--lime);transform:rotate(-45deg)}

/* ---------- 8. Compare table / works ---------- */
.compare-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.compare{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
.compare th,.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare thead th{background:var(--ink);color:#fff;font-weight:500;font-size:14px;border-bottom:0}
.compare thead th:first-child{font-family:var(--label);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-dark)}
.compare tbody th{font-weight:500;color:var(--muted);background:var(--sand);width:180px}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.compare .best{color:var(--green-d);font-weight:500}
.table-scroll{overflow-x:auto}

/* ผลงาน — กริดแบบ editorial: งานเด่นใบใหญ่ + งานรอง */
.proj-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.proj{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);display:flex;align-items:flex-end;transition:transform .3s,box-shadow .3s}
.proj:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.proj:hover .plane{transform:skewY(-8deg) scale(1.06)}
.proj.w4{grid-column:span 4;min-height:400px}
.proj.w2{grid-column:span 2;min-height:400px}
.proj.w3{grid-column:span 3;min-height:290px}

/* ฉากหลังคาวาดด้วย CSS: ท้องฟ้า + ดวงอาทิตย์ + ระนาบหลังคา + สันครอบ + ชายคา */
.proj-visual{position:absolute;inset:0;overflow:hidden;background:linear-gradient(180deg,#cddbe6 0%,#e9eee3 54%,#c7d0c0 100%)}
.proj-visual .sun{position:absolute;width:230px;height:230px;right:6%;top:-16%;border-radius:50%;background:radial-gradient(circle,rgba(255,249,220,.95),rgba(255,240,190,0) 68%)}
.proj-visual .plane{position:absolute;left:-10%;right:-10%;top:34%;height:32%;transform:skewY(-8deg);transition:transform .5s ease;box-shadow:0 30px 44px rgba(0,0,0,.3)}
.proj-visual .ridge{position:absolute;left:-10%;right:-10%;top:33%;height:11px;transform:skewY(-8deg);background:linear-gradient(180deg,rgba(255,255,255,.65),rgba(255,255,255,.06))}
.proj-visual .eave{position:absolute;left:-10%;right:-10%;top:65.5%;height:16px;transform:skewY(-8deg);background:linear-gradient(180deg,rgba(9,13,10,.5),rgba(9,13,10,.18))}
.proj-body{position:relative;z-index:2;width:100%;padding:24px;color:#fff;background:linear-gradient(180deg,transparent,rgba(8,12,9,.62) 42%,rgba(8,12,9,.93))}
.proj-tag{font-family:var(--label);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--lime)}
.proj-body h3{font-size:20px;font-weight:500;margin:8px 0 10px}
.proj.w4 .proj-body h3{font-size:26px}
.proj-meta{display:flex;flex-wrap:wrap;gap:8px}
.proj-meta span{font-size:12.5px;color:#dbe3d4;padding:5px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07)}

/* ---------- 9. Steps / brands / reviews ---------- */
.about-grid{grid-template-columns:repeat(3,1fr)}
.about-card{padding:28px 26px}
.about-card h3{font-size:19px;margin-bottom:10px}
.steps{grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden}
.step{padding:30px 26px;border-right:1px solid var(--line-dark);background:rgba(255,255,255,.02)}
.step:last-child{border-right:0}
.step b{display:block;font-family:var(--label);font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--lime);margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:8px;color:#fff}
.step p{font-size:14px;color:var(--muted-dark)}

.brand-strip{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.brand-chip{padding:13px 24px;border:1px solid var(--line);border-radius:999px;font-weight:600;color:#59634f;background:#fff;font-size:15px;transition:.2s}
.brand-chip:hover{border-color:var(--green);color:var(--green-d)}

.review-grid{grid-template-columns:repeat(3,1fr)}
.review{padding:26px;display:flex;flex-direction:column;gap:14px}
.stars{color:#f0a500;letter-spacing:3px;font-size:15px}
.review p{font-size:15px;color:#414a3e}
.review .who{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(145deg,var(--lime),var(--green));display:grid;place-items:center;font-weight:600;color:#1e2c00;flex:none}
.who b{display:block;font-size:14.5px;font-weight:500}
.who small{color:var(--muted);font-size:12.5px}

/* ---------- 10. FAQ / CTA / Footer ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;background:#fff;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:500;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:'+';font-family:var(--label);font-size:20px;color:var(--green);transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details[open] summary{background:var(--sand)}
.faq .answer{padding:4px 22px 20px;color:var(--muted);font-size:15px}

.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--ink);color:#fff;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band:before{content:'';position:absolute;inset:0;background:radial-gradient(600px 300px at 88% 10%,rgba(124,184,0,.3),transparent 62%)}
.cta-band:after{content:'';position:absolute;right:-60px;bottom:-80px;width:340px;height:180px;transform:skewY(-10deg);background:repeating-linear-gradient(90deg,rgba(212,251,83,.13) 0 16px,transparent 16px 19px)}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(26px,3vw,38px);margin-bottom:10px}
.cta-band p{color:#b9c4b1;max-width:52ch}
.cta-band .buttons{display:flex;gap:12px;flex-wrap:wrap}

.footer{background:#000;color:#c3ccbc;padding:70px 0 24px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:44px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:500}
.footer a{display:block;color:#c3ccbc;margin:9px 0;font-size:14px;transition:.2s}
.footer a:hover{color:var(--lime)}
.footer .brand{margin-bottom:16px}
.footer p{font-size:14px;color:var(--muted-dark);max-width:38ch}
.footer .social{display:flex;gap:10px;margin-top:18px}
.footer .social a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-dark);display:grid;place-items:center;margin:0}
.footer .social a:hover{background:rgba(212,251,83,.12);border-color:rgba(212,251,83,.35);color:var(--lime)}
.footer .social svg{width:18px;height:18px}
.copyright{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);font-size:13px;color:#7d8878;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* แถบติดต่อลอยสำหรับมือถือ */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(11,15,12,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line-dark);padding:9px 12px;gap:9px}
.mobile-bar .btn{flex:1;padding:12px;font-size:14px}

/* ---------- 11. Inner pages ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:56px 0 60px}
.page-hero:before{content:'';position:absolute;inset:0;background:radial-gradient(600px 300px at 80% 0%,rgba(124,184,0,.22),transparent 62%)}
.page-hero:after{content:'';position:absolute;left:0;right:0;bottom:0;height:70px;transform:skewY(-2deg) translateY(38px);background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 16px,transparent 16px 19px)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,4vw,44px);margin:12px 0 10px}
.page-hero p{color:#b9c4b1;max-width:60ch}
.breadcrumbs{font-family:var(--label);font-size:12px;letter-spacing:.08em;color:var(--muted-dark)}
.breadcrumbs a{color:var(--lime)}

.shop-layout{display:grid;grid-template-columns:262px 1fr;gap:26px}
.filter{padding:22px;align-self:start;position:sticky;top:98px}
.filter h4{margin:0 0 12px;font-size:15px}
.filter-group{padding:18px 0;border-bottom:1px solid var(--line)}
.check{display:flex;gap:10px;align-items:center;margin:9px 0;font-size:14px;color:#556050;cursor:pointer}
.check input{accent-color:var(--green)}
.swatches{display:flex;gap:9px;flex-wrap:wrap}
.swatch{width:28px;height:28px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line-2);cursor:pointer}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}
.product-grid{grid-template-columns:repeat(3,1fr)}
.product-card{padding:18px;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.roof-thumb{height:170px;border-radius:12px;background:linear-gradient(180deg,#eef1ea,#dee4d7);position:relative;overflow:hidden}
.roof-thumb:after{content:'';position:absolute;left:-4%;right:-4%;top:34%;height:36%;transform:skewY(-8deg) skewX(-14deg);background:repeating-linear-gradient(90deg,#f4f6f2 0 15px,#d2d7cd 15px 18px);box-shadow:0 14px 22px rgba(0,0,0,.14)}
.roof-thumb.dark:after{background:repeating-linear-gradient(90deg,#333a33 0 15px,#171d18 15px 18px)}
.roof-thumb.green:after{background:repeating-linear-gradient(90deg,#4e7a45 0 15px,#33562e 15px 18px)}
.roof-thumb.blue:after{background:repeating-linear-gradient(90deg,#3a5c88 0 15px,#26405f 15px 18px)}
.roof-thumb.red:after{background:repeating-linear-gradient(90deg,#9a4237 0 15px,#6f2c24 15px 18px)}
.product-card h3{font-size:18px;margin:14px 0 6px}
.product-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.product-card .brandline{display:flex;align-items:center;justify-content:space-between;font-family:var(--label);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:16px}
.product-card .btn{margin-top:auto}
.logo-chip{font-weight:700;color:var(--green-d);font-size:16px;letter-spacing:0;text-transform:none;font-family:'Kanit',sans-serif}

.detail-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.gallery-main{height:460px;background:linear-gradient(180deg,#f3f5f0,#e2e8dc);border-radius:var(--radius-lg);border:1px solid var(--line);position:relative;overflow:hidden}
.gallery-main .roof-thumb{position:absolute;inset:50px 34px;height:auto;background:none}
.gallery-main .roof-thumb:after{top:34%;height:32%;transform:skewY(-8deg) skewX(-14deg) scale(1.1)}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
.thumbs div{height:86px;border:1px solid var(--line);border-radius:12px;background:#f4f6f1;cursor:pointer}
.thumbs div:hover{border-color:var(--green)}
.detail-info h1{font-size:34px;margin:12px 0 12px}
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:24px 0}
.feature{border:1px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center;font-size:12.5px;color:var(--muted)}
.feature b{display:block;font-size:20px;color:var(--green);margin-bottom:4px}
.option{padding:20px 0;border-top:1px solid var(--line)}
.option .label{font-weight:500;margin-bottom:12px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{padding:10px 16px;border:1px solid var(--line-2);border-radius:9px;font-size:14px;background:#fff;cursor:pointer}
.pill.active{border-color:var(--green);background:#f6fded;color:var(--green-d)}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.price-box{padding:20px;margin-top:20px;border-radius:var(--radius);background:var(--sand);border:1px solid var(--line)}
.price-box .amount{font-size:32px;font-weight:600;color:var(--ink);letter-spacing:-.03em}
.tabs{margin-top:56px}
.tabbar{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow:auto}
.tabbar button{border:0;background:none;padding:15px 20px;font-weight:500;white-space:nowrap;cursor:pointer;color:var(--muted)}
.tabbar button.active{color:var(--ink);border-bottom:2px solid var(--green)}
.tab-content{padding:28px 0}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.spec-box{padding:24px}
.spec-box h3{font-size:18px;margin-bottom:14px}
.spec-list{display:grid;grid-template-columns:1fr 1fr;font-size:14px}
.spec-list div{padding:11px 0;border-bottom:1px dashed var(--line)}

.contact-hero{padding:66px 0 120px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.contact-hero:before{content:'';position:absolute;inset:0;background:radial-gradient(600px 320px at 82% 6%,rgba(124,184,0,.26),transparent 62%)}
.contact-hero .container{position:relative;z-index:2}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;margin-top:-72px;position:relative;z-index:5}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start}
/* หน้าติดต่อแบบไม่มีฟอร์ม — hero ไม่ต้องเผื่อพื้นที่ให้การ์ดซ้อนทับ */
.contact-hero.flush{padding-bottom:72px}
.contact-card{display:block;padding:24px;transition:transform .2s,box-shadow .2s,border-color .2s}
a.contact-card:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow)}
.contact-card b{display:block;font-size:16px;margin:10px 0 4px}
.form-card{padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;color:var(--muted)}
.field.full{grid-column:1/-1}
.field input,.field textarea,.field select{border:1px solid var(--line-2);border-radius:10px;padding:13px 14px;outline:none;background:#fbfcf9;transition:.2s}
.field input:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(124,184,0,.14);background:#fff}
.map-box{height:320px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#e9eee4,#d8e2ce);position:relative;overflow:hidden;border:1px solid var(--line)}
.map-box:before,.map-box:after{content:'';position:absolute;background:#fff;opacity:.75}
.map-box:before{left:0;right:0;top:48%;height:12px;transform:rotate(-8deg)}
.map-box:after{top:0;bottom:0;left:57%;width:10px;transform:rotate(7deg)}
.pin{position:absolute;left:58%;top:45%;width:28px;height:28px;border-radius:50% 50% 50% 0;background:var(--green);transform:rotate(-45deg);box-shadow:0 12px 22px rgba(61,100,0,.3)}

/* ช่องทางติดต่อ + QR LINE */
.channel-layout{display:grid;grid-template-columns:308px 1fr;gap:22px;align-items:start}
.qr-card{padding:24px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.qr-card img{width:100%;max-width:240px;border-radius:12px;border:1px solid var(--line);background:#fff}
.qr-card b{font-size:16px;margin-top:6px}
.qr-card .btn{width:100%;margin-top:10px}
.channel-grid{display:grid;gap:14px;align-content:start}
.channel-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.channel{display:flex;align-items:center;gap:15px;padding:19px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.channel:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow)}
.channel .ico{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--sand-2);color:var(--green-ink)}
.channel .ico svg{width:22px;height:22px}
.channel>span:not(.ico):not(.go){display:flex;flex-direction:column;gap:2px;min-width:0}
.channel b{font-size:15.5px;line-height:1.4}
.channel .muted{font-size:13.6px;line-height:1.5}
.channel .go{margin-left:auto;flex:none;color:var(--muted);font-size:18px}
.channel-line .ico{background:#06c755;color:#fff}
.channel-fb .ico{background:#1877f2;color:#fff}
.channel-tt .ico{background:var(--ink);color:#fff}

/* ---------- 12. Motion / Responsive ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media(max-width:1080px){
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .proj.w4,.proj.w2{grid-column:span 3;min-height:320px}
}
@media(max-width:980px){
  .topbar .topbar-right{display:none}
  .nav-links{display:none;position:absolute;top:78px;left:22px;right:22px;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:6px}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;width:100%}
  .nav-links a.active:after{display:none}
  .menu-toggle{display:block}
  .nav-actions .quote{display:none}
  .section{padding:70px 0}
  .hero{padding:64px 0 76px}
  .hero-grid,.detail-layout,.contact-grid,.faq-layout{grid-template-columns:1fr}
  .hero-visual{min-height:380px;order:-1}
  .trustbar .container,.steps,.stat-strip{grid-template-columns:1fr 1fr}
  .stat-strip>div:nth-child(2n){border-right:0}
  .stat-strip>div{border-bottom:1px solid var(--line-dark)}
  .trust:nth-child(2n){border-right:0}
  .trust{border-bottom:1px solid var(--line-dark)}
  .step:nth-child(2n){border-right:0}
  .step{border-bottom:1px solid var(--line-dark)}
  .review-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .shop-layout{grid-template-columns:1fr}
  .filter{position:relative;top:auto}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{margin-top:24px}
  .channel-layout{grid-template-columns:1fr}
  .qr-card{max-width:420px;margin:auto}
  .contact-hero{padding-bottom:70px}
  .cta-band{padding:38px}
}
@media(max-width:640px){
  .container{width:min(100% - 30px,1220px)}
  .section{padding:56px 0}
  .nav{height:68px}
  .nav-links{top:68px;left:15px;right:15px}
  .topbar .container{justify-content:center}
  .topbar-left{gap:14px;font-size:12px}
  .hero h1{font-size:38px}
  .hero-visual{min-height:300px}
  .sheet{left:2%;right:2%}
  .spec-float.a{right:0;top:0;padding:11px 13px}
  .spec-float.b{left:0;bottom:20px;padding:11px 13px}
  .spec-float.c{display:none}
  .hero-actions .btn{flex:1}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head .btn{width:100%}
  .category-grid,.trustbar .container,.steps,.product-grid,.contact-cards,.form-grid,.spec-grid,.footer-grid{grid-template-columns:1fr}
  .trust,.step{border-right:0}
  .proj.w4,.proj.w2,.proj.w3{grid-column:span 6;min-height:270px}
  .proj.w4 .proj-body h3{font-size:21px}
  .stat-strip>div{padding:24px 20px}
  .stat-strip b{font-size:34px}
  .feature-row{grid-template-columns:1fr 1fr}
  .spec-list{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .channel-pair{grid-template-columns:1fr}
  .channel{padding:16px 17px;gap:12px}
  .channel .go{display:none}
  .cta-band{padding:30px;flex-direction:column;align-items:flex-start}
  .cta-band .buttons{width:100%}
  .cta-band .buttons .btn{flex:1}
  .gallery-main{height:320px}
  .detail-info h1{font-size:27px}
  .mobile-bar{display:flex}
  body{padding-bottom:66px}
}

/* =========================================================
   13. หน้าแรก (เลย์เอาต์ตามแบบใหม่)
   hero ภาพเต็ม + แถบจุดเด่น 5 ข้อ + การ์ดแบรนด์ + แถบปรึกษา
   ========================================================= */

/* --- Header โปร่งใสวางทับ hero --- */
.header-over{background:rgba(11,15,12,.72);border-bottom:1px solid rgba(255,255,255,.08)}
.header-over .nav-links a.active:after{bottom:-24px}
.icon-btn{width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#eef2ea;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,transform .2s}
.icon-btn svg{width:19px;height:19px;stroke-linecap:round}
.icon-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}

/* --- Hero ภาพหลังคาบ้าน (วาดด้วย CSS, ทับด้วยรูปจริงได้ที่ assets/img/hero.jpg) --- */
.hero-shot{position:relative;min-height:min(78vh,620px);display:flex;align-items:center;color:#fff;overflow:hidden;background:#0b0f0c}
.hero-shot-bg{position:absolute;inset:0}
.hero-shot-bg .sky{position:absolute;inset:0;background:
  radial-gradient(120% 80% at 78% 8%,#2c3a34 0%,#151d19 45%,#080b09 100%)}
.hero-shot-bg .hill{position:absolute;left:-10%;right:-10%;bottom:0;height:46%;background:linear-gradient(180deg,#101713,#080b09)}
.hero-shot-bg .roof{position:absolute;right:-6%;bottom:26%;width:88%;height:132px;
  background:repeating-linear-gradient(90deg,#242c27 0 26px,#1b221e 26px 52px);
  transform:skewY(-4deg);box-shadow:0 26px 60px rgba(0,0,0,.6)}
.hero-shot-bg .wall{position:absolute;right:4%;bottom:6%;width:52%;height:24%;
  background:linear-gradient(180deg,#1a221d,#0d1210);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.hero-shot-bg .glow{position:absolute;border-radius:50%;filter:blur(38px);opacity:.5}
.hero-shot-bg .glow.g1{right:16%;bottom:14%;width:280px;height:150px;background:#f0c56a}
.hero-shot-bg .glow.g2{right:46%;bottom:10%;width:180px;height:110px;background:#c9a25a;opacity:.35}
.hero-shot:after{content:'';position:absolute;inset:0;background:linear-gradient(95deg,rgba(6,9,7,.92) 0%,rgba(6,9,7,.72) 42%,rgba(6,9,7,.18) 78%)}

.hero-shot-copy{position:relative;z-index:2;padding:96px 0 84px}
.hero-shot-copy h1{font-size:clamp(30px,4.4vw,54px);font-weight:600;margin-bottom:20px}
.hero-shot-copy h1 em{font-style:normal;color:var(--lime)}
.hero-shot-copy p{color:#d7ded2;font-size:16.5px;margin:2px 0}
.hero-shot-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* --- แถบจุดเด่น 5 ข้อ --- */
.featurebar{background:var(--paper);border-bottom:1px solid var(--line)}
.featurebar .container{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;padding:26px 0}
.feat{display:flex;align-items:center;gap:12px;justify-content:center;text-align:left}
.feat-ic{width:42px;height:42px;flex:none;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--green-d);background:var(--sand)}
.feat-ic svg{width:22px;height:22px;stroke-linecap:round;stroke-linejoin:round}
.feat strong{display:block;font-size:14.5px;font-weight:600}
.feat small{display:block;font-size:12.5px;color:var(--muted)}

/* --- หัวข้อ + การ์ดแบรนด์ --- */
.brandhead{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}
.brandhead h2{font-size:clamp(22px,2.6vw,30px);font-weight:600}
.seeall{font-size:14px;color:var(--green-d);font-weight:500}
.seeall:hover{color:var(--green)}

.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.brand-card{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px 8px 12px;text-align:center;transition:transform .22s,box-shadow .22s,border-color .22s}
.brand-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.bc-logo{display:flex;align-items:center;justify-content:center;height:62px;width:100%;margin-bottom:10px}
.bc-logo img{max-height:58px;max-width:100%;width:auto;object-fit:contain;image-rendering:-webkit-optimize-contrast}
.brand-card b{display:block;font-size:12.5px;font-weight:600;line-height:1.3;word-break:break-word}
.brand-card small{display:block;font-size:11px;color:var(--muted);margin-top:auto;padding-top:4px}
.wordmark{font-style:normal;font-weight:700;letter-spacing:.02em;line-height:1;text-align:center}
.wordmark.tnpoly{font-size:17px;color:#1552a8}
.wordmark.tnpoly b{display:inline;font-weight:800}
.wordmark.lumina{font-size:17px;color:#7b3fa0}
.wordmark.lumina em{display:block;font-style:normal;font-size:8px;font-weight:400;letter-spacing:.04em;color:#9a7bb3;margin-top:3px}

/* --- แถบเขียวชวนปรึกษา --- */
.consult-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:linear-gradient(100deg,var(--lime-2),#cdf25a);
  padding:26px 220px 26px 34px;display:flex;align-items:center;justify-content:center;gap:28px;text-align:center}
.consult-copy h3{font-size:clamp(18px,2.2vw,24px);font-weight:600;color:#233d05}
.consult-copy p{font-size:14px;color:#3d5b12;margin-top:4px}
.consult-band .btn-dark{flex:none}
.consult-person{position:absolute;right:34px;bottom:0;width:110px;height:100%}
.consult-person span{position:absolute;background:#123}
.consult-person .p-head{right:34px;bottom:52px;width:30px;height:30px;border-radius:50%;background:#f0c9a4}
.consult-person .p-body{right:18px;bottom:0;width:62px;height:56px;border-radius:22px 22px 0 0;background:#1f3d1a}
.consult-person .p-arm{right:6px;bottom:26px;width:34px;height:14px;border-radius:999px;background:#1f3d1a;transform:rotate(-24deg)}

@media (max-width:1000px){
  .featurebar .container{grid-template-columns:repeat(3,1fr);gap:16px}
  .consult-band{padding:24px 24px 130px;flex-direction:column;gap:16px}
  .consult-person{right:50%;transform:translateX(50%);height:120px}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .featurebar .container{grid-template-columns:repeat(2,1fr)}
  .hero-shot-copy{padding:70px 0 60px}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
}
.brand-card-all{background:var(--sand);border-style:dashed}
.brand-card-all .all-ic{width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;color:var(--green-d);background:var(--paper);border:1px solid var(--line-2)}

/* =========================================================
   14. หน้าสินค้า — การ์ดรายแบรนด์
   ========================================================= */
.brandpage{padding-top:44px}
.brandpage-head{margin-bottom:26px}
.brandpage-head h1{font-size:clamp(24px,3vw,32px);font-weight:600}
.brandpage-head p{margin-top:6px;font-size:14.5px;color:var(--muted)}

.bp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(334px,1fr));gap:16px;align-items:stretch}
.bp-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px 14px;transition:transform .22s,box-shadow .22s,border-color .22s}
.bp-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.bp-card-wide{grid-column:auto}

.bp-logo{display:flex;align-items:center;justify-content:center;gap:8px;height:70px}
.bp-logo img{max-height:66px;max-width:100%;width:auto;object-fit:contain;image-rendering:-webkit-optimize-contrast}
.bp-logo-text{font-size:19px;font-weight:600}
.bp-card h3{text-align:center;font-size:16px;font-weight:600;margin:10px 0 12px}

.bp-body{flex:1;position:relative;display:flex;gap:10px;align-items:flex-end;min-height:130px}
.bp-list{list-style:none;padding:0;margin:0;font-size:12.5px;color:var(--ink);align-self:flex-start}
.bp-list li{position:relative;padding-left:13px;margin-bottom:4px;line-height:1.5}
.bp-list li:before{content:'';position:absolute;left:2px;top:9px;width:4px;height:4px;border-radius:50%;background:var(--muted)}

/* ภาพแผ่นหลังคา (วาดด้วย CSS) และรูปสินค้าจริง */
.sheet-art{flex:1;min-width:88px;height:96px;align-self:flex-end;border-radius:6px;
  background:repeating-linear-gradient(94deg,#f2f4ef 0 7px,#d9ded1 7px 9px,#fbfcf9 9px 16px);
  border:1px solid var(--line);transform:skewY(-7deg);box-shadow:0 10px 22px rgba(20,40,8,.10)}
.sheet-art.dark{background:repeating-linear-gradient(94deg,#2b322c 0 7px,#171c18 7px 9px,#333b33 9px 16px);border-color:#222}
.sheet-art.gutter{background:linear-gradient(180deg,#eef1ea,#c9d0c1);height:74px}
.bp-body:has(.bp-photo){display:flex;flex-direction:column;align-items:stretch}
.bp-photo{display:block;width:min(300px,100%);aspect-ratio:1/1;height:auto;object-fit:contain;background:#fff;margin:auto auto 0;border-radius:var(--radius-sm);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease}
.bp-card:hover .bp-photo{transform:scale(1.02)}

.bp-link{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;font-weight:500;color:var(--green-d);display:inline-flex;align-items:center;gap:6px}
.bp-link i{font-style:normal;font-size:15px}
.bp-link:hover{color:var(--green)}

@media (max-width:1100px){
  .bp-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
  .bp-card-wide{grid-column:auto}
}
@media (max-width:760px){
  .bp-grid{grid-template-columns:1fr}
  .bp-card-wide{grid-column:auto}
  .bp-body{min-height:110px}
}

/* =========================================================
   15. หน้ารายละเอียดสินค้า (product-detail)
   ========================================================= */
.pd{background:var(--sand);padding:22px 0 70px}
.pd-crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-bottom:16px}
.pd-crumb a{color:var(--muted)}.pd-crumb a:hover{color:var(--green-d)}
.pd-crumb i{font-style:normal;color:var(--line-2)}
.pd-crumb span{color:var(--ink)}

.pd-layout{display:grid;grid-template-columns:220px minmax(300px,1fr) minmax(280px,1fr) 250px;gap:18px;align-items:start}

/* ซ้าย */
.pd-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.pd-box h4{font-size:14.5px;font-weight:600;margin-bottom:12px}
.pd-models a{display:block;border-radius:var(--radius-sm);padding:9px 12px;font-size:13.5px;line-height:1.35;margin-bottom:4px;transition:background .18s}
.pd-models a small{display:block;font-size:11.5px;color:var(--muted)}
.pd-models a:hover{background:var(--sand)}
.pd-models a.active{background:var(--lime);border-left:3px solid var(--green)}
.pd-models a.active small{color:var(--green-ink)}
.pd-compare{width:100%;margin-top:12px}
.pd-file{display:flex;align-items:center;gap:10px;font-size:13.5px;padding:8px 0;color:var(--ink)}
.pd-file:hover{color:var(--green-d)}
.pd-file .fic{width:26px;height:26px;flex:none;border-radius:6px;border:1px solid var(--line);display:grid;place-items:center;font-size:8px;font-weight:700;color:var(--green-d);background:var(--sand)}

/* แกลเลอรี */
.pd-gallery{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.pd-stage{position:relative;background:var(--sand);border-radius:var(--radius-sm);height:250px;display:grid;place-items:center;overflow:hidden}
.pd-zoom{position:absolute;left:12px;top:12px;z-index:2;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.pd-zoom svg{width:16px;height:16px}
.sheet-art.big{width:86%;height:150px;transform:skewY(-7deg) rotate(-2deg)}
.sheet-art.scene{background:linear-gradient(180deg,#8fb0c9,#e6eadf 55%,#7f8f6a);border:1px solid var(--line)}
.pd-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
.pd-thumb{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--sand);padding:10px;height:60px;cursor:pointer;overflow:hidden;display:grid;place-items:center}
.pd-thumb .sheet-art{width:100%;height:34px;min-width:0}
.pd-thumb.active{border-color:var(--green);box-shadow:0 0 0 2px rgba(124,184,0,.18)}

/* ชื่อสินค้า + ไอคอนจุดเด่น */
.pd-intro h1{font-size:clamp(20px,2.4vw,26px);font-weight:600}
.pd-sub{margin-top:8px;font-size:13.5px;color:var(--muted)}
.pd-icons{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:22px;text-align:center}
.pd-icons .pi{display:grid;place-items:center;width:40px;height:40px;margin:0 auto 6px;color:var(--green-d)}
.pd-icons .pi svg{width:26px;height:26px;stroke-linecap:round;stroke-linejoin:round}
.pd-icons small{display:block;font-size:11px;color:var(--muted);line-height:1.35}

/* กล่องราคา */
.pd-price{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.pp-label{font-size:13px;color:var(--muted)}
.pp-value{font-size:26px;font-weight:700;color:var(--green);margin:4px 0 10px;line-height:1.2}
.pp-note{font-size:11.5px;color:var(--muted);line-height:1.5;margin-bottom:14px}
.pp-btn{width:100%;margin-bottom:9px}

/* แท็บ */
.pd-tabs{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);margin-top:18px;padding:0 18px 20px}
.pd-tabs .tabbar{margin-bottom:20px}
.tabpanel{display:none}
.tabpanel.active{display:block}
.pd-detail-grid{display:grid;grid-template-columns:1.1fr 1fr 1.3fr .55fr .95fr;gap:20px;align-items:start}
.pd-detail-grid h4{font-size:14.5px;font-weight:600;margin-bottom:12px}
.ticks{list-style:none;padding:0;margin:0;font-size:13px}
.ticks li{position:relative;padding-left:22px;margin-bottom:9px;line-height:1.5}
.ticks li:before{content:'✓';position:absolute;left:0;top:0;color:var(--green);font-weight:700}
.uses{list-style:none;padding:0;margin:0;font-size:13px}
.uses li{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.uses .ui{width:30px;height:30px;flex:none;border-radius:8px;border:1px solid var(--line);background:var(--sand);display:grid;place-items:center;font-size:9px;color:var(--green-d)}
.spec-table{width:100%;border-collapse:collapse;font-size:12.5px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.spec-table th{text-align:left;font-weight:400;color:var(--muted);background:var(--sand);padding:8px 10px;white-space:nowrap;border-bottom:1px solid var(--line)}
.spec-table td{padding:8px 10px;border-bottom:1px solid var(--line)}
.spec-table.wide th{width:180px}
.swatches{list-style:none;padding:0;margin:0;font-size:12.5px}
.swatches li{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.swatches li span{width:30px;height:22px;border-radius:5px;border:1px solid var(--line-2);flex:none}

/* กล่องผู้เชี่ยวชาญ */
.pd-expert{position:relative;overflow:hidden;background:var(--ink);color:#eef2ea;border-radius:var(--radius);padding:18px 16px 16px;min-height:200px}
.pd-expert h4{color:var(--lime);font-size:16px;margin-bottom:6px}
.pd-expert p{font-size:12.5px;color:var(--muted-dark);margin-bottom:12px}
.pd-expert ul{list-style:none;padding:0;margin:0 0 76px;font-size:11.5px}
.pd-expert li{position:relative;padding-left:16px;margin-bottom:6px;color:#d7ded2}
.pd-expert li:before{content:'✓';position:absolute;left:0;color:var(--lime)}
.pd-expert .btn{width:100%}
.pe-person{position:absolute;right:10px;bottom:64px;width:76px;height:74px}
.pe-person i{position:absolute;display:block}
.pe-person .h{right:26px;bottom:40px;width:26px;height:26px;border-radius:50%;background:#f0c9a4}
.pe-person .b{right:8px;bottom:0;width:62px;height:44px;border-radius:20px 20px 0 0;background:#1f2c20;border-top:2px solid var(--lime)}

/* อุปกรณ์ที่ใช้ร่วมกัน */
.pd-acc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);margin-top:18px;padding:18px}
.pd-acc h3{font-size:15px;font-weight:600;margin-bottom:14px}
.acc-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}
.acc-item{text-align:center;font-size:11.5px;color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 6px;transition:border-color .2s,transform .2s}
.acc-item:hover{border-color:var(--green);transform:translateY(-2px)}
.acc-art{display:block;height:44px;margin-bottom:8px;border-radius:5px;background:linear-gradient(160deg,#e9ecE4,#b9bfb2)}
.acc-art.blk{background:linear-gradient(160deg,#4a504a,#22261f)}
.acc-art.screw{background:linear-gradient(160deg,#dfe3da,#9aa393);clip-path:polygon(40% 0,60% 0,60% 62%,100% 82%,100% 100%,0 100%,0 82%,40% 62%)}
.acc-art.tube{background:linear-gradient(90deg,#cfe0ef,#7fa9cc);width:26px;margin:0 auto 8px;border-radius:4px}

@media (max-width:1200px){
  .pd-layout{grid-template-columns:200px 1fr 260px}
  .pd-intro{grid-column:2}
  .pd-price{grid-column:3}
  .pd-detail-grid{grid-template-columns:1fr 1fr 1fr}
  .acc-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:900px){
  .pd-layout{grid-template-columns:1fr}
  .pd-intro,.pd-price{grid-column:auto}
  .pd-detail-grid{grid-template-columns:1fr 1fr}
  .pd-icons{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:600px){
  .pd-detail-grid{grid-template-columns:1fr}
  .acc-grid{grid-template-columns:repeat(2,1fr)}
}

/* =========================================================
   16. หน้าติดต่อเรา (contact)
   ========================================================= */
.ct{background:var(--sand)}
.ct-hero{position:relative;overflow:hidden;color:#fff;background:var(--ink)}
.ct-hero-bg{position:absolute;inset:0}
.ct-hero-bg .sky{position:absolute;inset:0;background:radial-gradient(120% 90% at 72% 10%,#4a5b52 0%,#1d2620 48%,#0a0e0b 100%)}
.ct-hero-bg .roof{position:absolute;right:-4%;top:26%;width:72%;height:70px;background:#1b211d;transform:skewY(-3deg);box-shadow:0 20px 40px rgba(0,0,0,.55)}
.ct-hero-bg .wall{position:absolute;right:4%;bottom:0;width:56%;height:44%;background:linear-gradient(180deg,#232a24,#111612)}
.ct-hero-bg .tree{position:absolute;bottom:0;width:120px;height:78%;border-radius:50% 50% 12% 12%;background:linear-gradient(180deg,#1d2c1c,#0d130c);opacity:.85}
.ct-hero-bg .tree.t1{left:14%}
.ct-hero-bg .tree.t2{left:26%;height:64%;width:90px}
.ct-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(95deg,rgba(6,9,7,.95) 0%,rgba(6,9,7,.7) 46%,rgba(6,9,7,.2) 82%)}
.ct-hero-copy{position:relative;z-index:2;padding:74px 0 46px}
.ct-hero-copy h1{font-size:clamp(26px,3.4vw,38px);font-weight:600}
.ct-hero-copy p{margin-top:8px;font-size:14.5px;color:#d7ded2}
.ct-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

.ct-body{padding:22px 0 40px}
.ct-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.ct-card h2{font-size:16px;font-weight:600;margin-bottom:14px}

/* บนสุด : ผลงานส่งของ + ข้อมูลบริษัท */
.ct-top{display:grid;grid-template-columns:1.35fr 1fr;gap:16px;align-items:start}
.ship-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.shot{display:block;aspect-ratio:4/3;border-radius:8px;background:linear-gradient(160deg,#dfe4da 0%,#b6bfae 45%,#8e9a86 100%);border:1px solid var(--line)}
.shot.lg{aspect-ratio:16/10}
.ship-more{display:flex;justify-content:center;margin-top:14px}
.ship-more i{font-style:normal}
.ct-company{font-size:15px;font-weight:600;margin-bottom:10px}
.ct-company-desc{font-size:13px;line-height:1.7}
.ct-points{display:flex;gap:10px;margin:16px 0;font-size:12.5px}
.ct-points>div{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;border-right:1px solid var(--line)}
.ct-points>div:last-child{border-right:0}
.ct-points .cp{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;border:1px solid var(--line);background:var(--sand);color:var(--green-d)}
.ct-points .cp svg{width:19px;height:19px;stroke-linecap:round;stroke-linejoin:round}
.ct-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}

/* ล่าง : 5 กล่อง */
.ct-bottom{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:16px;align-items:start}
.score{display:flex;align-items:center;gap:10px}
.score b{font-size:30px;font-weight:700;line-height:1}
.stars{color:#f5b31a;font-size:13px;letter-spacing:1px}
.score-note{font-size:11.5px;margin:6px 0 12px}
.mini-reviews{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mini-review{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--sand);padding:10px;font-size:11px}
.mini-review b{display:block;font-size:11.5px;margin:4px 0 4px}
.mini-review p{line-height:1.5;color:var(--muted)}

.cert-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cert{display:block;aspect-ratio:3/4;border-radius:6px;border:1px solid var(--line-2);
  background:linear-gradient(180deg,#fff 0%,#fbfaf4 100%);
  box-shadow:inset 0 0 0 6px #fff, inset 0 0 0 7px #e6dfc8, var(--shadow-sm);
  position:relative;overflow:hidden}
.cert:after{content:'';position:absolute;left:18%;right:18%;top:22%;height:56%;
  background:repeating-linear-gradient(180deg,#e6e9e1 0 2px,transparent 2px 7px)}
.cert-btn{width:100%;margin-top:14px}

.ct-brands{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.ct-brands span{height:46px;display:grid;place-items:center;padding:4px}
.ct-brands img{max-height:34px;max-width:100%;width:auto;object-fit:contain}
.ct-brands .wordmark{font-size:14px}

.ct-channels{list-style:none;padding:0;margin:0;font-size:13px}
.ct-channels li{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.ct-channels a{color:var(--ink)}
.ct-channels a:hover{color:var(--green-d)}
.ct-channels .ch{width:28px;height:28px;flex:none;border-radius:50%;display:grid;place-items:center;color:#fff}
.ct-channels .ch svg{width:15px;height:15px}
.ch.tel{background:var(--green)}
.ch.line{background:#06c755}
.ch.fb{background:#1877f2}
.ch.tt{background:#111}

.ct-map{position:relative;height:150px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);
  background:
    repeating-linear-gradient(90deg,transparent 0 38px,#dfe4da 38px 41px),
    repeating-linear-gradient(0deg,transparent 0 32px,#dfe4da 32px 35px),
    linear-gradient(160deg,#f2f5ee,#e6ebe0)}
.ct-map .pin{position:absolute;left:30%;top:44%;width:16px;height:16px;border-radius:50% 50% 50% 0;background:#e5484d;transform:rotate(-45deg);box-shadow:0 4px 10px rgba(0,0,0,.25)}
.ct-map .map-label{position:absolute;left:42%;top:44%;font-size:10.5px;color:#8a3a3a;font-weight:600}
.map-btn{width:100%;margin-top:12px}

/* footer แถบสรุป */
.ct-footer{background:var(--ink);color:#e8ede5;padding:18px 0}
.ct-footer .container{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.ctf-trust{display:flex;gap:26px;flex-wrap:wrap}
.ctf-trust>div{display:flex;align-items:center;gap:9px}
.ctf-ic{width:32px;height:32px;display:grid;place-items:center;color:var(--lime)}
.ctf-ic svg{width:22px;height:22px;stroke-linecap:round;stroke-linejoin:round}
.ctf-trust strong{display:block;font-size:13px;font-weight:600}
.ctf-trust small{display:block;font-size:11.5px;color:var(--muted-dark)}
.ctf-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.ctf-right .social{display:flex;gap:10px}
.ctf-right .social a{width:26px;height:26px;display:grid;place-items:center;color:#cfd8c8}
.ctf-right .social svg{width:17px;height:17px}
.ctf-right .social a:hover{color:var(--lime)}
.ctf-right small{font-size:11.5px;color:var(--muted-dark)}

@media (max-width:1100px){
  .ct-top{grid-template-columns:1fr}
  .ct-bottom{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  .ship-grid{grid-template-columns:repeat(3,1fr)}
  .ct-bottom{grid-template-columns:1fr}
  .ctf-right{align-items:flex-start}
}

/* รูปจริงในแกลเลอรีหน้ารายละเอียดสินค้า */
.pd-shot{width:100%;height:100%;object-fit:contain;padding:10px}
.pd-thumb img{width:100%;height:100%;object-fit:cover;border-radius:6px}
.pd-gallery-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.pd-gallery-grid img{aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--line);transition:transform .2s}
.pd-gallery-grid a:hover img{transform:scale(1.03)}
@media (max-width:900px){.pd-gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.pd-gallery-grid{grid-template-columns:repeat(2,1fr)}}

/* ภาพย่อยทั้งหมด + รูปจริงในการ์ดอุปกรณ์ (product-detail) */
.pd-thumbs{grid-template-columns:repeat(4,1fr);max-height:none;overflow:visible}
.acc-art{height:64px;width:100%;object-fit:cover;border:1px solid var(--line)}

/* ไลท์บ็อกซ์ดูภาพใหญ่ */
.lightbox{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;background:rgba(6,9,7,.92);backdrop-filter:blur(6px);padding:60px 70px}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:var(--radius-sm);box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb-close{position:absolute;top:18px;right:22px;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:24px;line-height:1;cursor:pointer}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:28px;line-height:1;cursor:pointer}
.lb-prev{left:18px}.lb-next{right:18px}
.lb-close:hover,.lb-nav:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.lb-count{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);font-size:13px;color:#d7ded2}
.pd-stage .pd-shot,.pd-gallery-grid a{cursor:zoom-in}
@media (max-width:600px){.lightbox{padding:56px 12px}.lb-prev{left:6px}.lb-next{right:6px}}

/* กล่องติดต่อฝั่งขวา (ไม่แสดงราคา) */
.pd-price .pp-label{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:6px}

/* ภาพสินค้าหลักขนาด 600x600 */
.pd-gallery{max-width:634px}
.pd-stage{width:100%;max-width:600px;height:auto;aspect-ratio:1/1;margin:0 auto}
.pd-stage .pd-shot{width:100%;height:100%;object-fit:cover}
.pd-thumbs{max-width:600px;margin-left:auto;margin-right:auto}
.pd-thumb{height:auto;aspect-ratio:1/1;padding:4px}

/* อุปกรณ์ที่ใช้ร่วมกัน — การ์ดใหญ่ขึ้น คงไว้ 1 บรรทัด */
.pd-acc{padding:22px}
.pd-acc h3{font-size:17px;margin-bottom:18px}
.acc-scroll{overflow-x:auto;padding-bottom:4px}
.acc-grid{grid-template-columns:repeat(8,minmax(150px,1fr));gap:16px}
.acc-item{padding:14px 10px 12px;font-size:13.5px;font-weight:500}
.acc-art{height:150px;margin-bottom:12px;border-radius:var(--radius-sm)}
@media (max-width:1200px){.acc-grid{grid-template-columns:repeat(8,minmax(150px,1fr))}}
@media (max-width:600px){.acc-grid{grid-template-columns:repeat(8,minmax(130px,1fr))}.acc-art{height:120px}}

/* โลโก้แบรนด์ที่ยังไม่มีไฟล์รูป — แสดงเป็นตัวอักษรแทน */
.wordmark.plain{font-style:normal;font-weight:700;font-size:16px;color:var(--ink);text-align:center;line-height:1.2}
.bp-list a{color:inherit}
.bp-list a:hover{color:var(--green-d);text-decoration:underline}

/* หน้ารวมสินค้าของแบรนด์เดียว — การ์ดใหญ่ 4 ใบ */
.bp-grid-4{grid-template-columns:repeat(auto-fill,minmax(334px,1fr))}
.bp-grid-4 .bp-card h3{font-size:17px;margin-bottom:14px}
.bp-grid-4 .bp-logo{height:74px}
.bp-grid-4 .bp-logo img{max-height:70px}
@media (max-width:900px){.bp-grid-4{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}
@media (max-width:560px){.bp-grid-4{grid-template-columns:1fr}}
/* กริดแบรนด์ 2 ช่องต่อแถว (หน้าสินค้าทั้งหมด) */
.bp-grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:700px){.bp-grid-2{grid-template-columns:1fr}}
.bp-card-link{cursor:pointer}

/* banner hero */
.hero-banner{position:relative;background:#0b0f0c}
.hero-banner img{display:block;width:100%;height:auto}
.hero-banner-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:20px 0 4px}
@media(max-width:720px){.hero-banner-cta{padding:16px 0 2px}}
/* end banner hero */

/* brand logo */
.brand-logo{display:block;height:58px;width:auto;object-fit:contain;flex:none}
.header .nav{padding-top:8px;padding-bottom:8px}
.footer .brand-logo{height:96px}
@media(max-width:720px){.brand-logo{height:44px}.footer .brand-logo{height:76px}}
/* end brand logo */

/* footer contact */
.fc-list{display:flex;flex-direction:column;gap:4px}
.fc-item{display:flex!important;align-items:center;gap:12px;margin:0!important;padding:8px 10px;border-radius:12px;
  border:1px solid transparent;transition:background .2s,border-color .2s,transform .2s}
.fc-item:hover{background:rgba(255,255,255,.05);border-color:var(--line-dark);transform:translateX(3px)}
.fc-item.fc-static{cursor:default}
.fc-item.fc-static:hover{background:none;border-color:transparent;transform:none}
.fc-item.fc-static .fc-tx b{white-space:nowrap;font-size:13.5px}
.fc-ic{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);color:var(--lime);transition:.2s}
.fc-ic svg{width:18px;height:18px}
.fc-item:hover .fc-ic{background:var(--lime);border-color:var(--lime);color:#0b0f0c}
.fc-tx{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.fc-tx b{font-weight:500;font-size:14px;color:#e9efe3;word-break:break-word}
.fc-tx small{font-size:11.5px;color:var(--muted-dark);font-family:var(--label);letter-spacing:.04em}
/* end footer contact */

/* footer modern */
.footer{position:relative;overflow:hidden}
.footer:before{content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),transparent);opacity:.55}
.footer:after{content:'';position:absolute;left:-8%;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(174,232,60,.12),transparent 68%);pointer-events:none}
.footer-grid{position:relative;z-index:1}
.footer h4{position:relative;padding-bottom:12px;margin-bottom:14px;font-family:var(--label);
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#f2f6ec}
.footer h4:after{content:'';position:absolute;left:0;bottom:0;width:26px;height:2px;border-radius:2px;background:var(--lime)}
.footer a:not(.fc-item){position:relative;padding:7px 0 7px 18px;margin:0;font-size:14.5px;color:#b9c4b0}
.footer a:not(.fc-item):before{content:'';position:absolute;left:0;top:50%;width:7px;height:7px;margin-top:-3.5px;
  border-right:1.6px solid var(--lime);border-bottom:1.6px solid var(--lime);
  transform:translateX(-4px) rotate(-45deg);opacity:0;transition:.22s}
.footer a:not(.fc-item):hover{color:#fff;padding-left:24px}
.footer a:not(.fc-item):hover:before{opacity:1;transform:translateX(0) rotate(-45deg)}
.footer .social a:before{display:none}
.footer .social a{padding:0;margin:0;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);color:#dfe6da;transition:.22s}
.footer .social a:hover{background:var(--lime);border-color:var(--lime);color:#0b0f0c;transform:translateY(-3px)}
.footer .social a svg{width:17px;height:17px}
.copyright{position:relative;z-index:1;margin-top:38px;padding-top:20px;border-top:1px solid var(--line-dark);
  font-size:12.5px;color:var(--muted-dark);letter-spacing:.02em}
/* end footer modern */

/* fab stack */
.fab-stack{position:fixed;right:18px;bottom:24px;z-index:120;display:flex;flex-direction:column;gap:11px}
.fab{position:relative;width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;padding:0;
  display:grid;place-items:center;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.28);
  transition:transform .2s,box-shadow .2s,filter .2s}
.fab-ic{display:grid;place-items:center}
.fab-ic svg{width:23px;height:23px;display:block}
.fab:hover{transform:translateY(-3px) scale(1.06);box-shadow:0 12px 26px rgba(0,0,0,.34);filter:brightness(1.08)}
.fab:active{transform:scale(.96)}
.fab-tel{background:#e0342c}
.fab-line{background:#06c755}
.fab-line .fab-ic svg{width:26px;height:26px}
.fab-fb{background:#1877f2}
.fab-tt{background:#010101}
.fab-mail{background:#e9a23b}
.fab-tip{position:absolute;right:64px;top:50%;transform:translateY(-50%) translateX(6px);white-space:nowrap;
  background:#0b0f0c;color:#e9efe3;font-size:12.5px;padding:7px 11px;border-radius:9px;opacity:0;
  pointer-events:none;transition:.2s;box-shadow:0 6px 16px rgba(0,0,0,.3)}
.fab:hover .fab-tip{opacity:1;transform:translateY(-50%)}
@media(max-width:900px){
  .fab-stack{right:12px;bottom:84px;gap:9px}
  .fab{width:46px;height:46px}
  .fab-ic svg{width:21px;height:21px}
  .fab-tip{display:none}
}
/* fab toggle */
.fab-stack>.fab:not(.fab-toggle){opacity:0;visibility:hidden;transform:translateY(14px) scale(.6);
  transition:opacity .22s,transform .28s cubic-bezier(.2,1.3,.4,1),visibility .22s}
.fab-stack.open>.fab:not(.fab-toggle){opacity:1;visibility:visible;transform:none}
.fab-stack>.fab:nth-child(1){transition-delay:.15s}
.fab-stack>.fab:nth-child(2){transition-delay:.12s}
.fab-stack>.fab:nth-child(3){transition-delay:.09s}
.fab-stack>.fab:nth-child(4){transition-delay:.06s}
.fab-stack>.fab:nth-child(5){transition-delay:.03s}
.fab-stack>.fab:nth-child(6){transition-delay:0s}
.fab-toggle{background:linear-gradient(145deg,#e9ff6e 0%,#b8f020 40%,#82cc00 100%);color:#152000;box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 -2px 0 rgba(0,0,0,.18) inset,0 8px 22px rgba(130,204,0,.35)}
.fab-toggle:before{content:'';position:absolute;inset:-5px;border-radius:50%;border:2px solid rgba(130,204,0,.55);
  animation:fabPulse 2.4s ease-out infinite}
.fab-stack.open .fab-toggle:before{display:none}
@keyframes fabPulse{0%{transform:scale(.9);opacity:.7}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
.fab-toggle .fab-ic-close{position:absolute;opacity:0;transform:rotate(-90deg) scale(.6);transition:.24s}
.fab-toggle .fab-ic-open{transition:.24s}
.fab-stack.open .fab-toggle .fab-ic-open{opacity:0;transform:rotate(90deg) scale(.6)}
.fab-stack.open .fab-toggle .fab-ic-close{opacity:1;transform:none}
/* end fab toggle */
/* end fab stack */

/* review grid */
.ct-card-wide{grid-column:1/-1}
.ct-review-sub{color:var(--muted);font-size:14.5px;margin:-4px 0 16px}
.rv-grid{grid-template-columns:repeat(4,1fr);gap:10px}
.rv-grid img{width:100%;aspect-ratio:1/1;border-radius:14px}
@media(max-width:1100px){.rv-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.rv-grid{grid-template-columns:repeat(2,1fr);gap:9px}}
/* end review grid */

/* brand grid v2 */
.brand-card{position:relative;overflow:hidden;padding:26px 16px 20px;border-radius:20px;
  background:linear-gradient(180deg,#fff,#fbfcf9);border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(20,30,15,.04);
  transition:transform .26s cubic-bezier(.2,.9,.3,1),box-shadow .26s,border-color .26s}
.brand-card:before{content:'';position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--lime),var(--green));transform:scaleX(0);transform-origin:left;
  transition:transform .3s}
.brand-card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:0 18px 38px rgba(20,40,10,.14)}
.brand-card:hover:before{transform:scaleX(1)}
.bc-logo{height:86px;margin-bottom:14px;padding:0 6px}
.bc-logo img{max-height:78px;transition:transform .26s}
.brand-card:hover .bc-logo img{transform:scale(1.06)}
.brand-card b{font-size:14.5px;font-weight:600;letter-spacing:.01em}
.brand-card small{margin-top:10px;padding-top:0;font-size:12px;color:var(--muted);
  display:inline-flex;align-items:center;gap:5px;transition:color .22s}
.brand-card small:after{content:'›';font-size:15px;line-height:1;transform:translateX(-3px);opacity:0;transition:.22s}
.brand-card:hover small{color:var(--green-d)}
.brand-card:hover small:after{opacity:1;transform:translateX(0)}
@media(max-width:1000px){.brand-grid{grid-template-columns:repeat(3,1fr);gap:14px}}
@media(max-width:640px){.brand-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .bc-logo{height:68px}.bc-logo img{max-height:62px}.brand-card{padding:20px 12px 16px}}
/* end brand grid v2 */

/* แผ่นสเปกสินค้า (ภาพรายละเอียด) ในแท็บรายละเอียดสินค้า */
.pd-specsheet{margin:26px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.pd-specsheet a{display:block;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.pd-specsheet img{display:block;width:100%;height:auto}
.pd-specsheet figcaption{margin-top:10px;font-size:12.5px;color:var(--muted);text-align:center}

/* ===== กล่องค้นหาสินค้า ===== */
.site-search{position:fixed;inset:0;z-index:1200;background:rgba(10,12,14,.55);backdrop-filter:blur(2px);display:none;padding:80px 16px 16px}
.site-search.is-open{display:block}
body.ss-lock{overflow:hidden}
.ss-panel{max-width:620px;margin:0 auto;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.ss-bar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
.ss-bar svg{width:20px;height:20px;flex:none;color:var(--muted)}
.ss-bar input{flex:1;border:0;outline:0;background:transparent;font:inherit;font-size:16px;color:inherit}
.ss-close{border:0;background:transparent;font-size:26px;line-height:1;cursor:pointer;color:var(--muted);padding:0 4px}
.ss-close:hover{color:inherit}
.ss-results{max-height:60vh;overflow:auto}
.ss-hint{margin:0;padding:18px 16px;color:var(--muted);font-size:14px}
.ss-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.ss-item:last-child{border-bottom:0}
.ss-item:hover{background:var(--line)}
.ss-name{font-weight:600;font-size:15px}
.ss-brand{font-size:12.5px;color:var(--muted);white-space:nowrap}
@media (max-width:560px){.site-search{padding-top:60px}}

/* ชิปอุปกรณ์ที่ใช้ร่วมกัน (แบบข้อความ แยกตามรุ่น) */
.acc-grid{grid-auto-flow:column;grid-auto-columns:minmax(160px,1fr);grid-template-columns:none}
a.acc-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;line-height:1.45;text-decoration:none;cursor:pointer}

/* การ์ดสินค้าแนะนำ : รองรับทุกขนาดหน้าจอ */
.acc-scroll{-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
.acc-item{scroll-snap-align:start}
a.acc-item .acc-art{height:132px;width:100%;object-fit:cover}
@media (max-width:900px){
  .acc-grid{grid-auto-columns:minmax(150px,1fr)}
  a.acc-item .acc-art{height:118px}
}
@media (max-width:600px){
  .acc-grid{grid-auto-columns:minmax(132px,1fr);gap:10px}
  a.acc-item{padding:10px 8px 10px;font-size:12.5px}
  a.acc-item .acc-art{height:100px;margin-bottom:8px}
}
@media (max-width:380px){
  .acc-grid{grid-auto-columns:minmax(118px,1fr)}
  a.acc-item .acc-art{height:88px}
}

/* ===== หัวข้อโครงสร้าง SEO ===== */
.sec-h2{font-size:18px;font-weight:600;margin:0 0 14px}
.hero-intro{max-width:900px;margin:18px auto 6px;text-align:center}
.hero-intro h1{font-size:26px;line-height:1.35;font-weight:700;margin:0 0 10px}
.hero-intro p{color:var(--muted);font-size:14.5px;line-height:1.7;margin:0}
@media (max-width:720px){.hero-intro h1{font-size:20px}.hero-intro p{font-size:13.5px}}
.footer h2{color:#fff;font-size:15px;margin-bottom:16px;font-weight:500;position:relative;padding-bottom:12px;font-family:var(--label)}
.footer h2:after{content:'';position:absolute;left:0;bottom:0;width:26px;height:2px;border-radius:2px;background:var(--lime)}
.pd-side h2{font-size:14px;font-weight:600;margin-bottom:12px}
.pd-detail-grid h2{font-size:14.5px;font-weight:600;margin-bottom:12px}
.pd-expert h3{font-size:14.5px;font-weight:600;margin-bottom:8px}
.pd-acc h2{font-size:15px;font-weight:600;margin-bottom:14px}
@media (min-width:1100px){.pd-acc h2{font-size:17px;margin-bottom:18px}}
/* หน้า error / นโยบาย */
.doc-page{max-width:820px;margin:0 auto;padding:38px 16px 60px}
.doc-page h1{font-size:26px;font-weight:700;margin:0 0 12px}
.doc-page h2{font-size:18px;font-weight:600;margin:28px 0 10px}
.doc-page h3{font-size:15.5px;font-weight:600;margin:18px 0 8px}
.doc-page p,.doc-page li{font-size:14.5px;line-height:1.8;color:var(--ink)}
.doc-page ul{padding-left:20px;margin:8px 0 14px}
.doc-page .doc-lead{color:var(--muted)}
.doc-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.err-code{font-size:64px;font-weight:800;line-height:1;color:var(--green);margin:0 0 6px}