/* ═══════════════════════════════════════════
   หจก. มิตรรุ่งเรืองทัวร์ — style.css
   ═══════════════════════════════════════════ */

:root{
  --bg:#08080e;
  --bg-2:#0d0d17;
  --bg-3:#12121f;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --ink:#f4f3f8;
  --ink-2:#b9b6c8;
  --ink-3:#87839a;
  --gold:#f5b301;
  --gold-2:#ffd85e;
  --violet:#8b5cf6;
  --violet-2:#c084fc;
  --magenta:#e0399b;
  --line-green:#06c755;
  --r:18px;
  --shadow:0 24px 60px rgba(0,0,0,.55);
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  background:var(--bg);color:var(--ink);
  font-family:'Noto Sans Thai','Kanit',system-ui,sans-serif;
  font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-family:'Kanit',sans-serif;font-weight:700;line-height:1.2;letter-spacing:-.01em}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:22px}
.grad{background:linear-gradient(100deg,var(--gold-2),var(--gold) 40%,var(--magenta) 78%,var(--violet-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ── buttons ───────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:100px;font-family:'Kanit',sans-serif;font-weight:600;
  font-size:15.5px;letter-spacing:.01em;transition:.28s cubic-bezier(.22,1,.36,1);
  border:1px solid transparent;white-space:nowrap;
}
.btn .ico{width:18px;height:18px;fill:currentColor;flex:none}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241900;
  box-shadow:0 10px 30px rgba(245,179,1,.28)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(245,179,1,.42)}
.btn-ghost{border-color:var(--line-2);background:rgba(255,255,255,.05);color:var(--ink);
  backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.btn-line{background:var(--line-green);color:#fff;box-shadow:0 10px 30px rgba(6,199,85,.26)}
.btn-line:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(6,199,85,.4)}
.btn-lg{padding:16px 34px;font-size:16.5px}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{display:flex;width:100%}

/* ── header ────────────────────────── */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:70;
  transition:.35s ease;padding:14px 0;
}
.site-header.is-stuck{background:rgba(8,8,14,.82);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);padding:8px 0}
.header-inner{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{width:46px;height:46px;border-radius:12px;object-fit:cover;
  border:1px solid var(--line-2);box-shadow:0 6px 20px rgba(0,0,0,.5)}
.brand-text strong{font-family:'Kanit',sans-serif;font-size:17px;font-weight:700;display:block;line-height:1.15}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.nav{display:flex;gap:4px;margin-inline:auto}
.nav a{padding:9px 15px;border-radius:100px;font-size:15px;color:var(--ink-2);transition:.2s}
.nav a:hover,.nav a.is-active{color:var(--ink);background:rgba(255,255,255,.08)}
.header-cta{display:flex;align-items:center;gap:12px;flex:none}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;background:rgba(255,255,255,.05)}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger.is-on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-on span:nth-child(2){opacity:0}
.burger.is-on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── hero ──────────────────────────── */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  padding:120px 0 90px}
.hero-bg{position:absolute;inset:0}
.hero-bg .slide{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.6s ease;transform:scale(1.06)}
.hero-bg .slide.is-active{opacity:1;animation:kb 9s ease-out forwards}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.13)}}
.hero-veil{position:absolute;inset:0;
  background:
    radial-gradient(110% 78% at 18% 42%,rgba(8,8,14,.94) 0%,rgba(8,8,14,.72) 42%,rgba(8,8,14,.3) 72%),
    linear-gradient(180deg,rgba(8,8,14,.86) 0%,rgba(8,8,14,.15) 34%,rgba(8,8,14,.55) 72%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero-logo{width:112px;height:112px;border-radius:24px;object-fit:cover;margin-bottom:22px;
  border:1px solid rgba(255,255,255,.18);box-shadow:0 20px 50px rgba(0,0,0,.6)}
.eyebrow{display:inline-block;padding:7px 16px;border-radius:100px;font-size:13px;font-weight:600;
  letter-spacing:.06em;color:var(--gold-2);background:rgba(245,179,1,.11);
  border:1px solid rgba(245,179,1,.3);margin-bottom:18px;font-family:'Kanit',sans-serif}
.hero h1{font-size:clamp(2.6rem,7vw,4.6rem);font-weight:800;letter-spacing:-.025em;margin-bottom:20px;
  text-shadow:0 8px 40px rgba(0,0,0,.7)}
.lede{font-size:clamp(1rem,2.2vw,1.18rem);color:var(--ink-2);max-width:640px;margin-bottom:32px}
.lede b{color:var(--ink);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.hero-badges li{display:flex;align-items:center;gap:8px;padding:9px 16px;border-radius:100px;
  font-size:14px;color:var(--ink-2);background:rgba(255,255,255,.06);
  border:1px solid var(--line);backdrop-filter:blur(10px)}
.hero-badges span{font-size:15px}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  width:24px;height:38px;border:2px solid rgba(255,255,255,.28);border-radius:100px;display:grid;place-items:start center;padding-top:7px}
.scroll-hint span{width:4px;height:8px;border-radius:4px;background:var(--gold);animation:sd 1.8s infinite}
@keyframes sd{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ── stats ─────────────────────────── */
.stats{border-block:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-block:44px}
.stat{text-align:center}
.stat b{display:block;font-family:'Kanit',sans-serif;font-size:clamp(2rem,4.6vw,3rem);font-weight:800;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.stat span{font-size:14px;color:var(--ink-3)}

/* ── sections ──────────────────────── */
.section{padding:92px 0}
.section-alt{background:linear-gradient(180deg,var(--bg),var(--bg-2) 50%,var(--bg))}
.head{text-align:center;max-width:660px;margin:0 auto 52px}
.head-left{text-align:left;margin-inline:0}
.kicker{display:block;font-family:'Kanit',sans-serif;font-size:12.5px;font-weight:600;letter-spacing:.22em;
  color:var(--violet-2);margin-bottom:12px}
.head h2{font-size:clamp(1.9rem,4.4vw,2.9rem);margin-bottom:14px}
.head p{color:var(--ink-3);font-size:16px}

/* ── service cards ─────────────────── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:30px 26px;border-radius:var(--r);border:1px solid var(--line);position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));transition:.35s cubic-bezier(.22,1,.36,1)}
.card::before{content:'';position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--magenta),var(--violet));opacity:0;transition:.35s}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card-ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:26px;
  margin-bottom:18px;background:linear-gradient(145deg,rgba(245,179,1,.16),rgba(139,92,246,.16));
  border:1px solid var(--line-2)}
.card h3{font-size:19px;margin-bottom:9px}
.card p{color:var(--ink-3);font-size:15px}

/* ── why ───────────────────────────── */
.why-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.why-media{position:relative;border-radius:26px;overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow)}
.why-media img{width:100%;height:520px;object-fit:cover}
.why-badge{position:absolute;left:20px;bottom:20px;right:20px;padding:16px 20px;border-radius:16px;
  background:rgba(8,8,14,.72);backdrop-filter:blur(16px);border:1px solid var(--line-2)}
.why-badge b{font-family:'Kanit',sans-serif;font-size:19px;display:block;color:var(--gold-2)}
.why-badge span{font-size:13.5px;color:var(--ink-2)}
.why-list{list-style:none;display:grid;gap:22px;margin-bottom:32px}
.why-list li{display:flex;gap:18px}
.why-list i{font-family:'Kanit',sans-serif;font-style:normal;font-weight:800;font-size:15px;
  width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;
  color:var(--gold-2);background:rgba(245,179,1,.1);border:1px solid rgba(245,179,1,.26)}
.why-list h4{font-size:17.5px;margin-bottom:4px}
.why-list p{color:var(--ink-3);font-size:15px}

/* ── gallery ───────────────────────── */
.filters{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{padding:9px 22px;border-radius:100px;font-family:'Kanit',sans-serif;font-weight:500;font-size:14.5px;
  color:var(--ink-2);border:1px solid var(--line-2);background:rgba(255,255,255,.04);transition:.25s}
.chip:hover{color:var(--ink);background:rgba(255,255,255,.09)}
.chip.is-on{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241900;border-color:transparent;
  box-shadow:0 8px 24px rgba(245,179,1,.26)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g-item{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:4/3;cursor:pointer;
  border:1px solid var(--line);background:var(--bg-3)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:.55s cubic-bezier(.22,1,.36,1)}
.g-item::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.6));opacity:0;transition:.35s}
.g-item:hover img{transform:scale(1.09)}
.g-item:hover::after{opacity:1}
.g-item:hover{border-color:rgba(245,179,1,.5)}
.gallery-more{display:flex;justify-content:center;margin-top:32px}

/* ── interior strip ────────────────── */
.strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:14px}
.strip .g-item{aspect-ratio:3/4}
.strip .g-item:nth-child(4n+1){aspect-ratio:3/4}

/* ── video ─────────────────────────── */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vid{border-radius:18px;overflow:hidden;border:1px solid var(--line-2);background:#000;box-shadow:var(--shadow)}
.vid video{width:100%;aspect-ratio:9/16;object-fit:cover;display:block;background:#000}

/* ── promo ─────────────────────────── */
.promo{padding:82px 0;background:
  radial-gradient(80% 120% at 12% 0%,rgba(139,92,246,.22),transparent 62%),
  radial-gradient(70% 110% at 92% 100%,rgba(224,57,155,.18),transparent 60%),var(--bg-2);
  border-block:1px solid var(--line)}
.promo-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.promo-copy h2{font-size:clamp(1.8rem,3.9vw,2.6rem);margin-bottom:16px}
.promo-copy p{color:var(--ink-2);margin-bottom:28px;max-width:520px}
.promo-actions{display:flex;flex-wrap:wrap;gap:14px}
.promo-media img{border-radius:20px;border:1px solid var(--line-2);box-shadow:var(--shadow);width:100%}

/* ── contact ───────────────────────── */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.ccard{display:flex;align-items:center;gap:15px;padding:19px 20px;border-radius:16px;
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  transition:.3s cubic-bezier(.22,1,.36,1)}
a.ccard:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.ccard-ic{width:48px;height:48px;flex:none;border-radius:14px;display:grid;place-items:center;border:1px solid var(--line-2)}
.ccard-ic svg{width:22px;height:22px}
.ic-gold{background:rgba(245,179,1,.13)}.ic-gold svg{fill:var(--gold-2)}
.ic-violet{background:rgba(139,92,246,.15)}.ic-violet svg{fill:var(--violet-2)}
.ic-dark{background:rgba(255,255,255,.09)}.ic-dark svg{fill:#fff}
.ccard small{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.5}
.ccard b{font-family:'Kanit',sans-serif;font-size:18px;font-weight:600}
.line-box{padding:28px;border-radius:20px;border:1px solid var(--line-2);text-align:center;
  background:linear-gradient(165deg,rgba(6,199,85,.1),rgba(255,255,255,.02))}
.line-box h3{font-size:20px;margin-bottom:8px}
.line-box p{font-size:14.5px;color:var(--ink-3);margin-bottom:20px}
.qr{background:#fff;padding:12px;border-radius:16px;margin-bottom:18px}
.qr img{border-radius:8px}

/* ── footer ────────────────────────── */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding-top:52px}
.footer-inner{display:grid;grid-template-columns:1.3fr 1fr .8fr;gap:36px;padding-bottom:42px}
.f-brand{display:flex;gap:16px}
.f-brand img{width:64px;height:64px;border-radius:16px;object-fit:cover;flex:none;border:1px solid var(--line-2)}
.f-brand strong{font-family:'Kanit',sans-serif;font-size:18px;display:block;margin-bottom:6px}
.f-brand p{font-size:14.5px;color:var(--ink-3)}
.f-nav{display:flex;flex-direction:column;gap:8px}
.f-nav a{font-size:15px;color:var(--ink-3);transition:.2s;width:fit-content}
.f-nav a:hover{color:var(--gold-2)}
.f-call small{display:block;font-size:13px;color:var(--ink-3);margin-bottom:6px}
.f-call a{font-family:'Kanit',sans-serif;font-size:24px;font-weight:700;color:var(--gold-2)}
.copy{border-top:1px solid var(--line);text-align:center;padding:20px;font-size:13.5px;color:var(--ink-3)}

/* ── fab ───────────────────────────── */
.fab{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:11px}
.fab-btn{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  box-shadow:0 12px 32px rgba(0,0,0,.45);transition:.28s}
.fab-btn svg{width:25px;height:25px;fill:#fff}
.fab-line{background:var(--line-green)}
.fab-call{background:linear-gradient(135deg,var(--gold-2),var(--gold))}
.fab-call svg{fill:#241900}
.fab-btn:hover{transform:scale(1.09)}
.fab-call::after{content:'';position:absolute;width:54px;height:54px;border-radius:50%;
  border:2px solid var(--gold);animation:pulse 2.2s infinite;pointer-events:none}
.fab-call{position:relative}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}

/* ── lightbox ──────────────────────── */
.lb{position:fixed;inset:0;z-index:200;background:rgba(4,4,8,.96);backdrop-filter:blur(10px);
  display:none;align-items:center;justify-content:center;padding:60px 20px}
.lb.is-open{display:flex;animation:fade .28s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lb img{max-width:min(1200px,94vw);max-height:84vh;border-radius:12px;object-fit:contain;
  box-shadow:0 30px 90px rgba(0,0,0,.8)}
.lb-close{position:absolute;top:18px;right:22px;font-size:38px;line-height:1;color:#fff;opacity:.75}
.lb-close:hover{opacity:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;border-radius:50%;
  background:rgba(255,255,255,.09);border:1px solid var(--line-2);color:#fff;font-size:19px;
  display:grid;place-items:center;transition:.25s}
.lb-nav:hover{background:rgba(255,255,255,.2)}
.lb-prev{left:18px}.lb-next{right:18px}
.lb-count{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);font-size:14px;color:var(--ink-3)}

/* ── reveal ────────────────────────── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ── responsive ────────────────────── */
@media(max-width:980px){
  .nav{position:fixed;inset:64px 12px auto 12px;flex-direction:column;gap:2px;padding:14px;
    border-radius:20px;background:rgba(12,12,20,.97);backdrop-filter:blur(20px);
    border:1px solid var(--line-2);box-shadow:var(--shadow);display:none;margin:0}
  .nav.is-open{display:flex;animation:fade .25s ease}
  .nav a{padding:12px 16px}
  .burger{display:flex}
  .header-cta .btn{display:none}
  .cards,.videos{grid-template-columns:repeat(2,1fr)}
  .why-grid,.promo-inner,.contact-grid{grid-template-columns:1fr;gap:36px}
  .why-media img{height:380px}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:640px){
  body{font-size:16px}
  .section{padding:64px 0}
  .hero{padding:104px 0 80px;min-height:auto}
  .hero-logo{width:88px;height:88px}
  .hero-actions .btn{flex:1 1 100%}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px;padding-block:34px}
  .cards,.videos,.contact-cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}
  .strip{grid-template-columns:repeat(2,1fr);gap:10px}
  .footer-inner{grid-template-columns:1fr}
  .lb-nav{width:42px;height:42px}
  .lb-prev{left:8px}.lb-next{right:8px}
  .fab{right:14px;bottom:14px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}