/* =========================================================
   ราวเทวดา ไฟประดับ & เครื่องปั่นไฟ — Shared Stylesheet
   แก้สี/ฟอนต์ได้ที่ :root ด้านล่างจุดเดียว
   ========================================================= */

:root{
  /* --- สีหลัก --- */
  --green-900:#0e3b2c;   /* เขียวเข้มลึก (พื้นหลังเข้ม) */
  --green-800:#124a37;
  --green-700:#1a5c43;   /* เขียวหลัก */
  --green-600:#217a55;
  --ivory:#faf6ea;       /* งาช้าง (พื้นหลังหลัก) */
  --ivory-2:#fffdf6;     /* การ์ด/ขาวนวล */
  --yellow:#f6c515;      /* เหลืองไฟประดับ */
  --yellow-deep:#e0a300;
  /* --- สีรอง --- */
  --ink:#181a17;         /* ดำ */
  --white:#ffffff;
  --muted:#5c6b60;       /* เทาอมเขียว */
  --line:#e3ddc9;        /* เส้นคั่นบางๆ */

  /* --- เงา / มุมโค้ง --- */
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(14,59,44,.10);
  --shadow-lg:0 20px 50px rgba(14,59,44,.18);

  /* --- ฟอนต์ --- */
  --font-display:'Kanit',system-ui,sans-serif;
  --font-body:'Sarabun',system-ui,sans-serif;

  --wrap:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--ivory);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;font-weight:700}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.center{text-align:center}

.eyebrow{
  display:inline-block;font-family:var(--font-display);font-weight:600;
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green-600);background:rgba(33,122,85,.09);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section h2{font-size:clamp(1.7rem,4.5vw,2.5rem);color:var(--green-900)}
.section .lead{color:var(--muted);max-width:640px;margin:12px auto 0;font-size:1.05rem}

/* ---------- แถบไฟประดับ (Signature) ---------- */
.lights{
  height:22px;width:100%;
  background:
    radial-gradient(circle at 14px 11px, var(--yellow) 0 4px, transparent 5px) 0 0/28px 22px repeat-x;
  filter:drop-shadow(0 0 6px rgba(246,197,21,.55));
  position:relative;
}
.lights::before{
  content:"";position:absolute;inset:0;top:1px;height:2px;
  background:rgba(255,255,255,.35);
}

/* ---------- ปุ่ม ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:1rem;
  padding:13px 24px;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-call{background:var(--yellow);color:var(--ink);box-shadow:0 8px 20px rgba(246,197,21,.45)}
.btn-call:hover{background:var(--yellow-deep);box-shadow:0 10px 26px rgba(224,163,0,.5)}
.btn-line{background:#06c755;color:#fff;box-shadow:0 8px 20px rgba(6,199,85,.35)}
.btn-line:hover{background:#05a648}
.btn-ghost{background:transparent;color:var(--green-800);border-color:var(--green-600)}
.btn-ghost:hover{background:var(--green-700);color:#fff;border-color:var(--green-700)}
.btn-lg{padding:16px 32px;font-size:1.08rem}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:50;background:rgba(250,246,234,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;color:var(--green-900);font-size:1.05rem;line-height:1.1}
.brand img{height:44px;width:44px;object-fit:contain}
.brand small{display:block;font-family:var(--font-body);font-weight:400;font-size:.72rem;color:var(--muted)}
.nav-menu{display:flex;gap:6px;margin-left:auto}
.nav-menu a{font-family:var(--font-display);font-weight:500;padding:8px 12px;border-radius:8px;color:var(--green-900);font-size:.98rem}
.nav-menu a:hover,.nav-menu a.active{background:rgba(33,122,85,.1);color:var(--green-700)}
.nav-cta{display:flex;gap:8px;margin-left:8px}
.nav-cta .btn{padding:10px 16px;font-size:.92rem}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:3px;background:var(--green-900);border-radius:2px;margin:5px 0;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--green-900);color:var(--ivory-2);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 85% -10%, rgba(246,197,21,.22), transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:66px 0}
.hero h1{font-size:clamp(2rem,6vw,3.4rem);color:#fff}
.hero h1 .hl{color:var(--yellow)}
.hero p.sub{margin-top:16px;font-size:1.15rem;color:rgba(255,255,255,.85);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;color:rgba(255,255,255,.9);font-size:.95rem}
.hero-badges span{display:flex;align-items:center;gap:7px}
.hero-badges b{color:var(--yellow)}
.hero-img{position:relative}
.hero-img img{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-tag{position:absolute;bottom:-16px;left:-10px;background:var(--yellow);color:var(--ink);font-family:var(--font-display);font-weight:700;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);font-size:.95rem}

/* ---------- จุดเด่น ---------- */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{background:var(--ivory-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:transform .2s, box-shadow .2s}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feature .ic{width:56px;height:56px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;background:var(--green-700);color:var(--yellow);font-size:1.6rem}
.feature h3{font-size:1.12rem;color:var(--green-900)}
.feature p{color:var(--muted);font-size:.95rem;margin-top:6px}

/* ---------- Service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--ivory-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s, box-shadow .2s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.card .thumb{aspect-ratio:16/11;overflow:hidden;background:var(--green-800)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:1.2rem;color:var(--green-900)}
.card p{color:var(--muted);font-size:.95rem;margin:8px 0 16px;flex:1}
.card .more{font-family:var(--font-display);font-weight:600;color:var(--green-700);display:inline-flex;align-items:center;gap:6px}
.card .more:hover{color:var(--yellow-deep)}

/* ---------- ทำไมต้องเลือกเรา ---------- */
.why{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.why-img img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.why ul{list-style:none;margin-top:8px}
.why li{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.why li:last-child{border-bottom:0}
.why li .chk{flex:none;width:30px;height:30px;border-radius:50%;background:var(--green-700);color:var(--yellow);display:grid;place-items:center;font-weight:700}
.why li b{color:var(--green-900);font-family:var(--font-display)}
.why li span{color:var(--muted);font-size:.95rem}

/* ---------- Calculator ---------- */
.calc-wrap{background:var(--green-900);color:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr}
.calc-info{padding:44px}
.calc-info h2{color:#fff;font-size:clamp(1.5rem,4vw,2.1rem)}
.calc-info p{color:rgba(255,255,255,.82);margin-top:12px}
.calc-info .note{margin-top:20px;font-size:.9rem;color:var(--yellow);display:flex;gap:8px;align-items:flex-start}
.calc-box{background:var(--ivory-2);color:var(--ink);padding:36px;margin:14px;border-radius:18px}
.calc-box label{display:block;font-family:var(--font-display);font-weight:600;color:var(--green-900);margin:14px 0 6px;font-size:.98rem}
.calc-box select,.calc-box input{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-family:var(--font-body);font-size:1rem;background:#fff;color:var(--ink)
}
.calc-box select:focus,.calc-box input:focus{outline:none;border-color:var(--green-600)}
.calc-result{margin-top:22px;background:rgba(246,197,21,.16);border:1.5px dashed var(--yellow-deep);border-radius:14px;padding:18px;text-align:center}
.calc-result .price{font-family:var(--font-display);font-weight:700;font-size:2rem;color:var(--green-900)}
.calc-result .price small{font-size:1rem;font-weight:400;color:var(--muted)}
.calc-result .hint{font-size:.85rem;color:var(--muted);margin-top:4px}
.calc-box .btn{width:100%;margin-top:16px}

/* ---------- รีวิว ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:var(--ivory-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.stars{color:var(--yellow-deep);letter-spacing:2px;font-size:1.05rem}
.review p{margin:12px 0 18px;color:#33403a}
.reviewer{display:flex;align-items:center;gap:12px}
.reviewer img{width:46px;height:46px;border-radius:50%;object-fit:cover;border:2px solid var(--yellow)}
.reviewer b{display:block;font-family:var(--font-display);color:var(--green-900);font-size:.98rem}
.reviewer small{color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.qa{background:var(--ivory-2);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.qa summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-family:var(--font-display);
  font-weight:600;color:var(--green-900);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:1.02rem
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:1.5rem;color:var(--green-600);transition:transform .2s;flex:none}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .ans{padding:0 22px 20px;color:var(--muted)}

/* ---------- พื้นที่บริการ ---------- */
.area{background:var(--green-800);color:#fff;border-radius:24px;padding:44px;text-align:center}
.area h2{color:#fff}
.area .lead{color:rgba(255,255,255,.85)}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:9px 18px;border-radius:999px;font-size:.95rem}
.chip.hot{background:var(--yellow);color:var(--ink);border-color:var(--yellow);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--green-800),var(--green-600));color:#fff;border-radius:24px;padding:48px;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,4vw,2.3rem)}
.cta-band p{color:rgba(255,255,255,.9);margin-top:10px}
.cta-band .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* ---------- Related links ---------- */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel{display:flex;gap:14px;align-items:center;background:var(--ivory-2);border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:.2s}
.rel:hover{border-color:var(--green-600);box-shadow:var(--shadow);transform:translateY(-3px)}
.rel .ic{flex:none;width:48px;height:48px;border-radius:12px;background:var(--green-700);color:var(--yellow);display:grid;place-items:center;font-size:1.4rem}
.rel b{font-family:var(--font-display);color:var(--green-900);display:block;font-size:1rem}
.rel small{color:var(--muted)}

/* ---------- Footer ---------- */
footer.site{background:var(--green-900);color:rgba(255,255,255,.82);padding:56px 0 24px;margin-top:8px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
footer.site h4{color:#fff;margin-bottom:14px;font-size:1.1rem}
footer.site a{color:rgba(255,255,255,.82)}
footer.site a:hover{color:var(--yellow)}
.foot-brand{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.foot-brand img{height:48px;width:48px;object-fit:contain}
.foot-brand b{font-family:var(--font-display);color:#fff;font-size:1.15rem}
.foot-list{list-style:none}
.foot-list li{margin-bottom:9px;display:flex;gap:9px;align-items:flex-start}
.foot-list .k{color:var(--yellow)}
.foot-map iframe{width:100%;height:150px;border:0;border-radius:12px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:32px;padding-top:18px;text-align:center;font-size:.88rem;color:rgba(255,255,255,.6)}

/* ---------- ปุ่มลอยมือถือ ---------- */
.floating{position:fixed;right:16px;bottom:16px;z-index:60;display:none;flex-direction:column;gap:12px}
.floating a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-lg);font-size:1.5rem;color:#fff}
.floating .f-call{background:var(--yellow);color:var(--ink)}
.floating .f-line{background:#06c755}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-img{order:-1}
  .features{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .reviews{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:1fr}
  .why-img{order:-1}
  .calc-grid{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .section{padding:48px 0}
  .nav-menu,.nav-cta{
    display:none;position:absolute;top:72px;left:0;right:0;background:var(--ivory);
    flex-direction:column;padding:14px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)
  }
  .nav.open .nav-menu,.nav.open .nav-cta{display:flex}
  .nav.open .nav-cta{padding-top:0}
  .nav-menu a{padding:12px}
  .nav-cta .btn{width:100%}
  .burger{display:block}
  .features{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .calc-box,.calc-info{padding:26px}
  .area,.cta-band{padding:32px 22px}
  .floating{display:flex}
}

/* =========================================================
   ไดเรกทอรีพื้นที่บริการ (Local SEO directory)
   ========================================================= */
.area-dir{background:var(--ivory-2);border:1px solid var(--line);border-radius:24px;padding:32px}
.area-search{position:relative;max-width:520px;margin:0 auto 22px}
.area-search input{width:100%;padding:14px 16px 14px 44px;border:1.5px solid var(--line);border-radius:999px;font-family:var(--font-body);font-size:1rem;background:#fff}
.area-search input:focus{outline:none;border-color:var(--green-600)}
.area-search::before{content:"🔍";position:absolute;left:16px;top:50%;transform:translateY(-50%);opacity:.6}
.area-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.area-tab{font-family:var(--font-display);font-weight:600;padding:10px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--green-900);cursor:pointer;font-size:.95rem;transition:.15s}
.area-tab:hover{border-color:var(--green-600)}
.area-tab.active{background:var(--green-700);color:#fff;border-color:var(--green-700)}
.area-tab b{color:var(--yellow-deep)}
.area-tab.active b{color:var(--yellow)}
.area-panel{display:none}
.area-panel.active{display:block}
.area-region{margin-bottom:22px}
.area-region h4{font-family:var(--font-display);color:var(--green-700);font-size:1.05rem;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--line);display:flex;align-items:center;gap:8px}
.area-region h4::before{content:"📍"}
.area-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.area-links a{display:block;padding:9px 14px;background:var(--ivory);border:1px solid var(--line);border-radius:10px;color:var(--green-900);font-size:.93rem;transition:.15s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.area-links a:hover{background:var(--green-700);color:#fff;border-color:var(--green-700)}
.area-empty{text-align:center;color:var(--muted);padding:30px;display:none}
@media (max-width:680px){
  .area-dir{padding:20px}
  .area-links{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  .area-tab{padding:8px 14px;font-size:.88rem}
}