/* ============================================================
   SLC INTERLAB — OEM Website
   Design System  ·  "Sage Clean"
   Mood: Trustworthy · Premium · Scientific · Minimal
   ============================================================ */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&display=swap');

/* ---- Brand tokens (swap these for the real SLC palette later) ---- */
:root{
  /* surfaces */
  --bg:        #F4F7F8;
  --bg-2:      #E8EFF1;
  --surface:   #FFFFFF;
  --surface-2: #F7FAFB;

  /* ink */
  --ink:       #102A30;
  --ink-soft:  #43595E;
  --ink-faint: #8398A0;

  /* brand — legible cyan for text, links, buttons (on light) */
  --primary:     #1F6E8A;
  --primary-700: #16566D;   /* hover / darker */
  --primary-600: #1F6E8A;
  --primary-300: #8FC4D8;
  --primary-050: #E8F3F8;

  /* deep sections — brand cyan */
  --deep:        #4B9DC5;
  --deep-700:    #3A82A8;

  /* accent — lightest brand cyan (decorative on light; never small text) */
  --accent:      #2EAFCC;
  --accent-700:  #14788F;   /* legible eyebrow/label on light */
  --accent-soft: #C6EAF1;
  --accent-050:  #E6F6FA;

  /* emphasis on cyan sections (deep ink) */
  --on-deep:     #07323D;

  /* logo wordmark color */
  --logo:        #2EAFCC;

  --line:        rgba(16,42,48,.12);
  --line-strong: rgba(16,42,48,.20);

  /* type */
  --display: 'IBM Plex Sans Thai', system-ui, -apple-system, sans-serif;
  --sans: 'IBM Plex Sans Thai', system-ui, -apple-system, sans-serif;

  /* metrics */
  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(16,42,48,.06), 0 1px 3px rgba(16,42,48,.05);
  --shadow-md: 0 8px 28px -10px rgba(16,42,48,.18);
  --shadow-lg: 0 24px 60px -24px rgba(16,42,48,.32);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---- Reset ---- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-weight:400;
  line-height:1.65;
  font-size:17px;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ margin:0; font-weight:500; line-height:1.12; letter-spacing:-.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }

::selection{ background:var(--primary); color:#fff; }

/* ---- Layout helpers ---- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--pad); }
.wrap-wide{ max-width:1360px; }
.section{ padding-block:clamp(64px,9vw,128px); }
.section-tight{ padding-block:clamp(48px,6vw,84px); }

.eyebrow{
  font-size:12.5px; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent-700); display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:24px; height:1.5px; background:var(--accent); display:inline-block; }
.eyebrow.center::after{ content:""; width:24px; height:1.5px; background:var(--accent); display:inline-block; }

.h-display{ font-family:var(--display); font-weight:600; letter-spacing:-.02em; }
.t-serif{ font-family:var(--display); }

.lead{ font-size:clamp(18px,2.1vw,21px); color:var(--ink-soft); line-height:1.6; font-weight:300; }

.muted{ color:var(--ink-soft); }
.center{ text-align:center; }
.mx-auto{ margin-inline:auto; }

/* section heading block */
.head{ max-width:720px; }
.head.center{ margin-inline:auto; }
.head h2{
  font-family:var(--display); font-weight:600; letter-spacing:-.02em;
  font-size:clamp(30px,4.4vw,52px); line-height:1.08; margin-top:18px; color:var(--ink);
}
.head p{ margin-top:18px; }

/* ---- Buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-weight:500; font-size:15.5px; letter-spacing:.01em;
  padding:14px 26px; border-radius:var(--radius);
  border:1px solid transparent; transition:all .3s var(--ease);
  white-space:nowrap;
}
.btn svg{ width:17px; height:17px; }
.btn-primary{ background:var(--primary); color:#fff; }
.btn-primary:hover{ background:var(--primary-700); transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn-ghost{ background:transparent; color:var(--primary); border-color:var(--line-strong); }
.btn-ghost:hover{ border-color:var(--primary); background:var(--primary-050); }
.btn-light{ background:#fff; color:var(--primary); }
.btn-light:hover{ transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn-line{ background:#06C755; color:#fff; }
.btn-line:hover{ background:#05b34c; transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn-lg{ padding:17px 32px; font-size:16.5px; }
.btn-block{ width:100%; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px; font-weight:500; color:var(--primary);
  font-size:15.5px; transition:gap .3s var(--ease);
}
.link-arrow svg{ width:16px; height:16px; transition:transform .3s var(--ease); }
.link-arrow:hover{ gap:12px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(245,242,235,.82);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.site-header.scrolled{ border-bottom-color:var(--line); background:rgba(245,242,235,.94); }
.nav{
  display:flex; align-items:center; gap:34px;
  height:74px;
}
.brand{ display:flex; align-items:center; margin-right:auto; }
.brand .logo{ display:flex; flex-direction:column; line-height:1; }
.brand .logo b{ font-family:var(--sans); font-weight:600; font-size:25px; letter-spacing:.07em; color:var(--logo); }
.brand .logo i{ font-style:normal; font-size:10px; font-weight:500; letter-spacing:.44em; color:var(--ink-soft); margin-top:5px; text-indent:.44em; }

.nav-links{ display:flex; align-items:center; gap:4px; }
.nav-links a{
  padding:9px 14px; border-radius:var(--radius); font-size:15px; font-weight:500; color:var(--ink-soft);
  transition:color .2s, background .2s; position:relative;
}
.nav-links a:hover{ color:var(--primary); }
.nav-links a.active{ color:var(--primary); }
.nav-links a.active::after{
  content:""; position:absolute; left:14px; right:14px; bottom:2px; height:1.5px; background:var(--accent);
}

.nav-actions{ display:flex; align-items:center; gap:12px; }

.lang-toggle{
  display:inline-flex; border:1px solid var(--line-strong); border-radius:999px; overflow:hidden; font-size:12.5px; font-weight:600;
}
.lang-toggle button{
  background:transparent; border:0; padding:6px 12px; color:var(--ink-faint); letter-spacing:.04em; transition:all .2s;
}
.lang-toggle button.on{ background:var(--primary); color:#fff; }

.burger{ display:none; width:42px; height:42px; border:1px solid var(--line-strong); border-radius:var(--radius); background:transparent; align-items:center; justify-content:center; }
.burger svg{ width:20px; height:20px; color:var(--ink); }

/* mobile drawer */
.drawer{
  position:fixed; inset:0; z-index:80; background:var(--bg); padding:24px var(--pad);
  display:flex; flex-direction:column; gap:6px;
  transform:translateX(100%); transition:transform .4s var(--ease); visibility:hidden;
}
.drawer.open{ transform:translateX(0); visibility:visible; }
.drawer-top{ display:flex; align-items:center; justify-content:space-between; height:50px; margin-bottom:18px; }
.drawer a{ font-family:var(--display); font-size:26px; padding:14px 0; border-bottom:1px solid var(--line); color:var(--ink); }
.drawer a.active{ color:var(--primary); }
.drawer .drawer-cta{ margin-top:24px; display:flex; flex-direction:column; gap:12px; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ position:relative; overflow:hidden; background:var(--deep); color:#fff; }
.hero::before{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(46,175,204,.42), transparent 55%),
    radial-gradient(80% 70% at 0% 100%, rgba(12,46,54,.5), transparent 60%);
}
.hero .wrap{ position:relative; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(32px,5vw,72px); align-items:center; min-height:min(86vh,760px); padding-block:clamp(56px,8vw,96px); }
.hero .eyebrow{ color:#fff; }
.hero .eyebrow::before{ background:rgba(255,255,255,.85); }
.hero h1{
  font-family:var(--display); font-weight:600; color:#fff;
  font-size:clamp(38px,5.6vw,68px); line-height:1.04; margin-top:22px; letter-spacing:-.015em;
}
.hero h1 em{ font-style:italic; color:var(--on-deep); }
.hero-sub{ margin-top:24px; font-size:clamp(17px,2vw,20px); color:rgba(255,255,255,.92); font-weight:300; max-width:46ch; line-height:1.6; }
.hero-cta{ margin-top:38px; display:flex; flex-wrap:wrap; gap:14px; }
.hero-stats{ margin-top:46px; display:flex; flex-wrap:wrap; gap:38px; padding-top:30px; border-top:1px solid rgba(255,255,255,.16); }
.hero-stats .n{ font-family:var(--display); font-size:34px; line-height:1; color:#fff; }
.hero-stats .l{ font-size:13px; color:rgba(255,255,255,.82); margin-top:8px; letter-spacing:.02em; }

/* ============================================================
   IMAGE PLACEHOLDERS (designed, swap for real photos)
   ============================================================ */
.ph{
  position:relative; overflow:hidden; border-radius:var(--radius-lg);
  background:
    linear-gradient(140deg, #114a55, var(--deep));
  color:rgba(255,255,255,.9);
  display:grid; place-items:center; isolation:isolate;
}
.ph::before{
  content:""; position:absolute; inset:0; z-index:-1; opacity:.5;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.18) 1px, transparent 0);
  background-size:22px 22px;
}
.ph::after{
  content:""; position:absolute; inset:0; z-index:-1;
  background:radial-gradient(90% 80% at 80% 10%, rgba(46,175,204,.36), transparent 55%);
}
.ph .ph-tag{
  position:relative; display:inline-flex; flex-direction:column; align-items:center; gap:5px;
  color:rgba(255,255,255,.9); text-align:center; line-height:1.25;
  border:1px solid rgba(255,255,255,.30); padding:13px 18px; border-radius:12px; backdrop-filter:blur(2px);
}
.ph .ph-tag svg{ width:18px; height:18px; margin-bottom:3px; opacity:.85; }
.ph .ph-tag .ph-name{ font-size:11px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; }
.ph .ph-tag .ph-id{ font-family:ui-monospace,'SF Mono',Menlo,monospace; font-size:12.5px; font-weight:700; letter-spacing:.06em; color:#fff; }
.ph .ph-tag .ph-dim{ font-family:ui-monospace,'SF Mono',Menlo,monospace; font-size:10.5px; letter-spacing:.03em; opacity:.78; }
/* compact spec for small circular avatars */
.ph.av .ph-tag{ border:0; padding:0; gap:1px; backdrop-filter:none; }
.ph.av .ph-tag .ph-id{ font-size:10px; }
.ph.av .ph-tag .ph-dim{ font-size:9px; }
.ph.light{
  background:linear-gradient(135deg, var(--bg-2), var(--accent-050));
  color:var(--ink-soft);
}
.ph.light::before{ background-image:radial-gradient(circle at 1px 1px, rgba(16,42,48,.10) 1px, transparent 0); opacity:.7; }
.ph.light{ background:linear-gradient(135deg, var(--bg-2), var(--accent-050)); }
.ph.light::after{ background:radial-gradient(90% 80% at 80% 10%, rgba(46,175,204,.26), transparent 55%); }
.ph.light .ph-tag{ color:var(--ink-soft); border-color:var(--line-strong); }
.ph.light .ph-tag .ph-id{ color:var(--ink); }
.ratio-4-3{ aspect-ratio:4/3; }
.ratio-1-1{ aspect-ratio:1/1; }
.ratio-3-4{ aspect-ratio:3/4; }
.ratio-16-9{ aspect-ratio:16/9; }
.ratio-3-2{ aspect-ratio:3/2; }

/* ============================================================
   CARDS / GRIDS
   ============================================================ */
.grid{ display:grid; gap:clamp(16px,2.2vw,28px); }
.g-2{ grid-template-columns:repeat(2,1fr); }
.g-3{ grid-template-columns:repeat(3,1fr); }
.g-4{ grid-template-columns:repeat(4,1fr); }

.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:30px; transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:transparent; }
.card .ic{
  width:52px; height:52px; border-radius:10px; display:grid; place-items:center;
  background:var(--primary-050); color:var(--primary); margin-bottom:20px;
}
.card .ic svg{ width:25px; height:25px; }
.card h3{ font-size:20px; font-weight:600; }
.card p{ margin-top:10px; color:var(--ink-soft); font-size:15.5px; line-height:1.6; }

.step-num{ font-family:var(--display); font-size:15px; color:var(--accent-700); font-weight:500; letter-spacing:.08em; }

/* feature row */
.feature{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(28px,5vw,72px); align-items:center; }
.feature.rev{ direction:rtl; }
.feature.rev > *{ direction:ltr; }

/* stat band */
.statband{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.statband .it{ background:var(--surface); padding:30px 26px; }
.statband .n{ font-family:var(--display); font-size:clamp(30px,3.6vw,42px); color:var(--primary); line-height:1; }
.statband .l{ margin-top:10px; font-size:14px; color:var(--ink-soft); }

/* cert badge */
.cert{
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:14px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); padding:32px 22px;
  transition:transform .35s var(--ease), box-shadow .35s;
}
.cert:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
.cert .seal{
  width:84px; height:84px; border-radius:50%; display:grid; place-items:center;
  border:1.5px solid var(--accent); color:var(--primary);
  background:radial-gradient(circle at 50% 30%, var(--accent-050), #fff);
  font-family:var(--display); font-weight:500;
}
.cert .seal svg{ width:34px; height:34px; }
.cert b{ font-size:17px; font-weight:600; }
.cert span{ font-size:13.5px; color:var(--ink-soft); }

/* ============================================================
   PROCESS / TIMELINE
   ============================================================ */
.timeline{ display:grid; gap:0; }
.tl-item{ display:grid; grid-template-columns:auto 1fr; gap:28px; }
.tl-rail{ display:flex; flex-direction:column; align-items:center; }
.tl-dot{
  width:48px; height:48px; border-radius:50%; flex:none; display:grid; place-items:center;
  background:var(--primary); color:#fff; font-family:var(--display); font-size:18px; font-weight:500; z-index:1;
}
.tl-line{ width:1.5px; flex:1; background:var(--line-strong); margin-block:6px; }
.tl-item:last-child .tl-line{ display:none; }
.tl-body{ padding-bottom:44px; }
.tl-body h3{ font-size:21px; font-weight:600; }
.tl-body p{ margin-top:9px; color:var(--ink-soft); font-size:15.5px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(26px,4vw,44px); box-shadow:var(--shadow-sm); }
.field{ margin-bottom:20px; }
.field label{ display:block; font-size:14px; font-weight:600; margin-bottom:8px; color:var(--ink); }
.field label .req{ color:var(--accent-700); }
.field input, .field select, .field textarea{
  width:100%; font-family:inherit; font-size:15.5px; color:var(--ink);
  padding:13px 15px; border:1px solid var(--line-strong); border-radius:var(--radius); background:var(--surface-2);
  transition:border-color .2s, box-shadow .2s; outline:none;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-050); background:#fff;
}
.field textarea{ resize:vertical; min-height:120px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-note{ font-size:13px; color:var(--ink-faint); margin-top:6px; }
.chip-row{ display:flex; flex-wrap:wrap; gap:9px; }
.chip{
  display:inline-flex; align-items:center; gap:7px; padding:9px 14px; border:1px solid var(--line-strong);
  border-radius:999px; font-size:14px; color:var(--ink-soft); cursor:pointer; transition:all .2s; user-select:none;
}
.chip input{ display:none; }
.chip:has(input:checked){ background:var(--primary); color:#fff; border-color:var(--primary); }

.form-ok{
  display:none; text-align:center; padding:20px;
}
.form-ok.show{ display:block; }
.form-ok .ok-mark{ width:64px; height:64px; border-radius:50%; background:var(--primary-050); color:var(--primary); display:grid; place-items:center; margin:0 auto 16px; }
.form-ok .ok-mark svg{ width:32px; height:32px; }

/* ============================================================
   FAQ / accordion
   ============================================================ */
.faq{ border-top:1px solid var(--line); }
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{ list-style:none; cursor:pointer; padding:24px 0; display:flex; justify-content:space-between; align-items:center; gap:20px; font-weight:500; font-size:18px; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary .pm{ width:24px; height:24px; flex:none; position:relative; }
.faq summary .pm::before,.faq summary .pm::after{ content:""; position:absolute; background:var(--primary); top:50%; left:50%; transform:translate(-50%,-50%); transition:transform .3s; }
.faq summary .pm::before{ width:14px; height:1.5px; }
.faq summary .pm::after{ width:1.5px; height:14px; }
.faq details[open] summary .pm::after{ transform:translate(-50%,-50%) scaleY(0); }
.faq details p{ padding:0 0 26px; color:var(--ink-soft); max-width:75ch; }

/* ============================================================
   CTA band
   ============================================================ */
.cta-band{ position:relative; overflow:hidden; background:var(--deep); color:#fff; border-radius:var(--radius-lg); padding:clamp(40px,6vw,72px); text-align:center; }
.cta-band::before{ content:""; position:absolute; inset:0; background:radial-gradient(80% 120% at 50% -20%, rgba(46,175,204,.34), transparent 60%); }
.cta-band > *{ position:relative; }
.cta-band h2{ font-family:var(--display); font-weight:600; font-size:clamp(28px,4vw,46px); color:#fff; letter-spacing:-.02em; }
.cta-band p{ margin:18px auto 0; max-width:54ch; color:rgba(255,255,255,.92); font-weight:300; }
.cta-band .eyebrow{ color:#fff !important; }
.cta-band .eyebrow::before, .cta-band .eyebrow::after{ background:rgba(255,255,255,.85) !important; }
.cta-band .row{ margin-top:34px; display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-head{ background:var(--deep); color:#fff; position:relative; overflow:hidden; }
.page-head::before{ content:""; position:absolute; inset:0; background:radial-gradient(100% 120% at 90% -10%, rgba(46,175,204,.30), transparent 55%); }
.page-head .wrap{ position:relative; padding-block:clamp(56px,8vw,96px); }
.crumbs{ font-size:13.5px; color:rgba(255,255,255,.82); display:flex; gap:9px; align-items:center; }
.crumbs a:hover{ color:#fff; }
.page-head h1{ font-family:var(--display); font-weight:600; font-size:clamp(34px,5vw,58px); color:#fff; margin-top:18px; letter-spacing:-.02em; }
.page-head p{ margin-top:18px; color:rgba(255,255,255,.92); font-weight:300; max-width:60ch; font-size:clamp(17px,2vw,19px); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background:var(--deep-700); color:rgba(255,255,255,.7); padding-block:clamp(48px,6vw,80px) 32px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:clamp(28px,4vw,56px); }
.site-footer .brand .logo b{ color:#fff; }
.site-footer .brand .logo i{ color:rgba(255,255,255,.5); }
.site-footer p{ font-size:14.5px; line-height:1.7; margin-top:18px; max-width:34ch; }
.foot-col h4{ font-size:12.5px; letter-spacing:.16em; text-transform:uppercase; color:rgba(255,255,255,.5); font-weight:600; margin-bottom:18px; }
.foot-col a, .foot-col li{ display:block; font-size:14.5px; padding:6px 0; color:rgba(255,255,255,.72); transition:color .2s; }
.foot-col a:hover{ color:#fff; }
.foot-contact li{ display:flex; gap:11px; align-items:flex-start; }
.foot-contact svg{ width:18px; height:18px; flex:none; margin-top:3px; color:#fff; opacity:.95; }
.foot-bottom{ margin-top:48px; padding-top:24px; border-top:1px solid rgba(255,255,255,.13); display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap; font-size:13px; color:rgba(255,255,255,.5); }

/* floating line button */
.fab-line{
  position:fixed; right:22px; bottom:22px; z-index:50;
  display:inline-flex; align-items:center; gap:10px; padding:13px 20px 13px 16px;
  background:#06C755; color:#fff; border-radius:999px; font-weight:600; font-size:15px;
  box-shadow:0 10px 30px -8px rgba(6,199,85,.6); transition:transform .3s var(--ease);
}
.fab-line:hover{ transform:translateY(-2px) scale(1.02); }
.fab-line svg{ width:22px; height:22px; }

/* ---- reveal on scroll ---- */
[data-rise]{ opacity:0; transform:translateY(22px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
[data-rise].in{ opacity:1; transform:none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1000px){
  .nav-links{ display:none; }
  .burger{ display:inline-flex; }
  .hero-grid{ grid-template-columns:1fr; gap:36px; min-height:0; }
  .hero-visual{ order:-1; }
  .feature{ grid-template-columns:1fr; }
  .feature.rev{ direction:ltr; }
  .g-4{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .statband{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:640px){
  body{ font-size:16px; }
  .g-2,.g-3,.g-4{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .statband{ grid-template-columns:1fr 1fr; }
  .hero-stats{ gap:24px; }
  .lang-toggle{ display:none; }
  .nav-actions .btn{ display:none; }
}

/* hide lang toggle dup in drawer handled by JS */
.drawer .lang-toggle{ display:inline-flex; margin-top:8px; }

/* contact two-column */
.contact-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:clamp(28px,4vw,56px); align-items:start; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }

/* ============================================================
   FROZEN DESIGN STATE  (Clinical · Modern · Soft)
   Baked from the Claude Design default; replaces the runtime
   tweaks layer. <html> carries data-mood/-type/-form statically.
   ============================================================ */
html[data-type="modern"]{ --display:'IBM Plex Sans Thai', system-ui, sans-serif; }
html[data-type="modern"] .hero h1,
html[data-type="modern"] .head h2,
html[data-type="modern"] .cta-band h2,
html[data-type="modern"] .page-head h1,
html[data-type="modern"] .brand .logo b{ font-weight:600; letter-spacing:-.022em; }
html[data-type="modern"] .hero h1 em{ font-style:normal; }
html[data-type="modern"] .step-num,
html[data-type="modern"] .statband .n,
html[data-type="modern"] .hero-stats .n{ font-weight:600; }

/* admin link reset inside public footer not needed; admin uses its own sheet */