/* ============================================================
   NAKSA HUB — Homepage concept
   Warm charcoal · warm-white · restrained bronze · brand steel-blue
   ============================================================ */

:root{
  /* charcoal base (warm) */
  --bg-900:#131210;
  --bg-850:#181611;
  --bg-800:#1d1b15;
  --bg-700:#26231b;
  --bg-600:#322d23;

  /* warm whites + neutrals */
  --ink:#f4f0e7;
  --ink-dim:#c2bbac;
  --ink-mute:#8c8576;
  --line:rgba(244,240,231,0.10);
  --line-soft:rgba(244,240,231,0.06);
  --line-strong:rgba(244,240,231,0.20);

  /* bronze accent (tweakable — shades derive from --bronze) */
  --bronze:#c79a5d;
  --bronze-bright:color-mix(in oklab,var(--bronze),#fff 26%);
  --bronze-deep:color-mix(in oklab,var(--bronze),#000 30%);

  /* brand steel-blue (from logo) — technical stages */
  --steel:#5d80ad;
  --steel-light:#8fadd2;
  --blueprint-bg:#16263f;
  --blueprint-line:#9ec5f4;

  /* type */
  --font-display:'Sora',system-ui,sans-serif;
  --font-body:'Manrope',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;

  /* rhythm (tweakable density) */
  --section-pad:160px;
  --hero-track:440vh;

  --maxw:1280px;
  --gut:clamp(22px,5vw,72px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{
  background:var(--bg-900);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
::selection{background:var(--bronze);color:var(--bg-900)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}

/* display type defaults */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.04;letter-spacing:-0.02em}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;font-weight:500;
  letter-spacing:0.28em;text-transform:uppercase;
  color:var(--bronze);
}
.eyebrow .idx{color:var(--ink-mute)}

/* ============================================================
   NAV — glass bar
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:60;
  height:76px;
  display:flex;align-items:center;
  transition:background .4s ease,backdrop-filter .4s ease,border-color .4s ease,height .4s ease;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  height:66px;
  background:color-mix(in oklab,var(--bg-900) 62%,transparent);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}

.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}

/* logo image — place assets/naksahub-logo.png to activate */
.site-logo{height:38px;width:auto;max-width:160px;object-fit:contain;display:block;flex-shrink:0}
.foot .site-logo{height:30px}

/* retained for any inline SVG fallback usage */
.brand .mark{width:30px;height:30px;flex-shrink:0}
.brand .word{font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:0.16em;color:var(--ink)}

.nav-links{display:flex;align-items:center;gap:38px}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--ink-dim);
  letter-spacing:0.01em;position:relative;padding:6px 0;
  transition:color .25s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;
  background:var(--bronze);transition:width .3s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--ink)}

.nav-right{display:flex;align-items:center;gap:26px}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-body);font-weight:600;font-size:14.5px;
  letter-spacing:0.01em;cursor:pointer;border:none;
  padding:13px 24px;border-radius:2px;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),background .25s ease,color .25s ease,border-color .25s ease,box-shadow .3s ease;
  white-space:nowrap;touch-action:manipulation;
}
.btn .arr{transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--bronze);color:#241a0c;box-shadow:0 1px 0 rgba(255,255,255,.18) inset}
.btn-primary:hover{background:var(--bronze-bright);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--bronze);color:var(--bronze-bright);transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:15.5px}

.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:11px;touch-action:manipulation}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--ink);transition:transform .3s ease,opacity .2s ease}

/* ============================================================
   HERO — pinned scroll-morph
   ============================================================ */
.hero-track{position:relative;height:var(--hero-track)}
.hero-pin{position:sticky;top:0;height:100vh;overflow:hidden;background:var(--bg-900)}

/* morphing background layers (cross-faded by JS) */
.hero-bg{position:absolute;inset:0;z-index:0}
.bg-layer{position:absolute;inset:0;will-change:opacity}
.bg-vision{
  background:
    radial-gradient(70% 30% at 50% 80%, rgba(150,96,56,.34), transparent 64%),       /* warm horizon */
    radial-gradient(50% 26% at 50% 88%, rgba(255,150,80,.16), transparent 70%),
    linear-gradient(180deg,#070d1e 0%,#0b1428 24%,#13203c 46%,#22304e 62%,#3a3a48 76%,#52403a 88%,#2e2620 100%);
}
.bg-vision::after{                                                                 /* distant skyline haze */
  content:"";position:absolute;left:0;right:0;bottom:30%;height:11%;opacity:.5;filter:blur(.6px);
  background:repeating-linear-gradient(90deg, transparent 0 13px, rgba(18,20,32,.55) 13px 17px, rgba(18,20,32,.22) 17px 31px);
  -webkit-mask:linear-gradient(180deg,transparent,#000 65%);mask:linear-gradient(180deg,transparent,#000 65%);
}
.bg-design{background:linear-gradient(180deg,#5a564c 0%,#4a463d 46%,#3a372f 64%,#2c2922 100%)}
.bg-design::after{content:"";position:absolute;left:0;right:0;bottom:0;height:38%;
  background:radial-gradient(120% 100% at 50% 100%, rgba(212,206,194,.18), transparent 62%)}
.bg-structure{background:radial-gradient(72% 62% at 50% 30%, #1a1b22, #0c0d12 76%)}
.bg-structure::before{content:"";position:absolute;inset:0;opacity:.22;
  background-image:linear-gradient(rgba(150,170,200,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(150,170,200,.12) 1px,transparent 1px);
  background-size:48px 48px}
.bg-blueprint{
  background:
    linear-gradient(180deg,#1a2c49 0%,#142238 100%);
}
.bg-blueprint::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(158,197,244,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(158,197,244,.10) 1px,transparent 1px);
  background-size:40px 40px;
}
/* ground line shared */
.bg-ground{position:absolute;left:0;right:0;bottom:0;height:30%;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.35));pointer-events:none}

/* building stage */
.stage{position:absolute;inset:0;z-index:1;display:grid;place-items:center}
.building-scaler{position:relative;width:640px;height:900px;transform-origin:center;
  transform:translateY(calc(1% + var(--bdrift,0%))) scale(var(--bscale,.8))}
.skin{position:absolute;inset:0;will-change:opacity}

/* cinematic atmosphere overlay (always on) */
.hero-atmos{position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 38%, transparent 52%, rgba(8,8,12,.42) 100%),
    linear-gradient(180deg, rgba(10,10,16,.22), transparent 22%, transparent 72%, rgba(8,8,12,.5));
}

/* real-render layers (image slots) — shown when body.use-renders */
.render-slots{position:absolute;inset:0;z-index:1;display:none}
body.use-renders .render-slots{display:block}
body.use-renders .stage{display:none}
.render-layer{position:absolute;inset:0;display:grid;place-items:center;will-change:opacity}
.render-layer image-slot{width:min(64vw,820px);height:min(82vh,880px);box-shadow:0 30px 90px rgba(0,0,0,.5)}
.render-tag{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute)}

/* hero overlay copy */
.hero-overlay{position:absolute;z-index:3;inset:0;pointer-events:none}
.hero-scrim{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(15,13,10,.66) 0%,rgba(15,13,10,.30) 34%,transparent 60%);
  opacity:var(--scrim-op,1);transition:opacity .4s ease}
.hero-copy{
  position:absolute;left:var(--gut);bottom:13vh;max-width:620px;pointer-events:auto;
}
.hero-copy .eyebrow{margin-bottom:22px;display:flex;align-items:center;gap:12px}
.hero-copy h1{
  font-size:clamp(40px,6.4vw,86px);font-weight:600;letter-spacing:-0.03em;
  margin-bottom:20px;text-wrap:balance;
}
.hero-copy h1 .accent{color:var(--bronze-bright)}
.hero-copy .sub{
  font-size:clamp(17px,1.5vw,21px);color:var(--ink-dim);max-width:480px;
  margin-bottom:34px;line-height:1.55;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* stage indicator (right) */
.stage-ind{
  position:absolute;z-index:3;right:var(--gut);top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:2px;pointer-events:none;
}
.stage-ind .si{
  display:grid;grid-template-columns:auto 1fr;align-items:center;gap:16px;
  padding:14px 0;width:230px;opacity:.4;transition:opacity .4s ease;
  border-top:1px solid var(--line);
}
.stage-ind .si:last-child{border-bottom:1px solid var(--line)}
.stage-ind .si .num{font-family:var(--font-mono);font-size:12px;color:var(--ink-mute);letter-spacing:.1em}
.stage-ind .si .lab{font-family:var(--font-display);font-weight:600;font-size:17px;letter-spacing:.01em}
.stage-ind .si .desc{
  grid-column:2;font-size:12.5px;color:var(--ink-dim);max-height:0;overflow:hidden;
  opacity:0;transition:max-height .45s ease,opacity .35s ease,margin .45s ease;line-height:1.4;
}
.stage-ind .si.on{opacity:1}
.stage-ind .si.on .num{color:var(--bronze)}
.stage-ind .si.on .desc{max-height:60px;opacity:1;margin-top:6px}
.stage-ind .si .bar{position:absolute}

/* scroll cue */
.scroll-cue{
  position:absolute;z-index:3;left:50%;bottom:30px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;color:var(--ink-mute);
  text-transform:uppercase;transition:opacity .4s ease;
}
.scroll-cue .track{width:1px;height:40px;background:var(--line-strong);position:relative;overflow:hidden}
.scroll-cue .track::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;
  background:var(--bronze);animation:cue 2.2s cubic-bezier(.7,0,.3,1) infinite}
@keyframes cue{0%{top:-45%}60%,100%{top:100%}}

.placeholder-note{
  position:absolute;z-index:3;left:var(--gut);bottom:24px;pointer-events:none;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:rgba(244,240,231,.34);
  text-transform:uppercase;
}

/* ============================================================
   GENERIC SECTION
   ============================================================ */
section.block{padding-block:var(--section-pad);position:relative}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:70px}
.sec-head .l{max-width:680px}
.sec-head .eyebrow{margin-bottom:22px;display:inline-flex;gap:12px;align-items:center}
.sec-head h2{font-size:clamp(32px,4.2vw,56px);letter-spacing:-0.025em}
.sec-head p{color:var(--ink-dim);margin-top:18px;font-size:18px;max-width:560px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.3,1),transform .9s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   SERVICES
   ============================================================ */
.services{background:var(--bg-850);border-top:1px solid var(--line-soft)}
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line-soft);
  border:1px solid var(--line-soft)}
.svc{
  grid-column:span 2;background:var(--bg-850);padding:42px 38px 46px;
  position:relative;overflow:hidden;transition:background .4s ease;min-height:300px;
  display:flex;flex-direction:column;
}
.svc:nth-child(1),.svc:nth-child(2){grid-column:span 3}
.svc:hover{background:var(--bg-800)}
.svc .svc-no{font-family:var(--font-mono);font-size:12px;color:var(--ink-mute);letter-spacing:.12em}
.svc .ico{margin:26px 0 auto;width:46px;height:46px;color:var(--bronze)}
.svc h3{font-size:23px;margin-top:30px;margin-bottom:12px}
.svc p{color:var(--ink-dim);font-size:15px;line-height:1.55;max-width:36ch}
.svc .edge{position:absolute;left:0;top:0;height:2px;width:0;background:var(--bronze);transition:width .5s cubic-bezier(.2,.7,.3,1)}
.svc:hover .edge{width:100%}

/* ============================================================
   COURSES
   ============================================================ */
.courses{background:var(--bg-900)}
.course-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.course{
  position:relative;border:1px solid var(--line);background:var(--bg-850);
  overflow:hidden;transition:transform .5s cubic-bezier(.2,.7,.3,1),border-color .4s ease;
  display:flex;flex-direction:column;
}
.course:hover{transform:translateY(-6px);border-color:color-mix(in oklab,var(--bronze) 50%,var(--line))}
.course .ph{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.course .ph .tag{
  position:absolute;left:20px;top:20px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--bronze-bright);background:rgba(15,13,10,.6);padding:7px 12px;border:1px solid var(--line-strong);
  backdrop-filter:blur(6px);
}
.course .body{padding:30px 32px 34px;display:flex;flex-direction:column;gap:14px;flex:1}
.course .body h3{font-size:26px;letter-spacing:-0.02em}
.course .body p{color:var(--ink-dim);font-size:15.5px}
.course .meta{display:flex;gap:22px;margin-top:auto;padding-top:20px;border-top:1px solid var(--line-soft)}
.course .meta div{display:flex;flex-direction:column;gap:3px}
.course .meta .k{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute)}
.course .meta .v{font-size:15px;font-weight:600;font-family:var(--font-display)}
.course .go{display:inline-flex;align-items:center;gap:10px;color:var(--bronze-bright);font-weight:600;font-size:15px;padding:10px 0;touch-action:manipulation}
.course .go .arr{transition:transform .3s ease}
.course:hover .go .arr{transform:translateX(5px)}

/* striped placeholder used in courses + about */
.ph-art{position:absolute;inset:0;
  background:
    repeating-linear-gradient(135deg,rgba(244,240,231,.045) 0 2px,transparent 2px 11px),
    linear-gradient(135deg,var(--bg-700),var(--bg-800));
}
.ph-art .ph-label{
  position:absolute;left:50%;bottom:16px;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(244,240,231,.4);white-space:nowrap;
}
.ph-art .ph-mark{position:absolute;inset:0;display:grid;place-items:center;opacity:.5}
.ph-art .ph-mark svg{width:54px;height:54px;color:var(--ink-mute)}

/* ============================================================
   ABOUT
   ============================================================ */
.about{background:var(--bg-850);border-top:1px solid var(--line-soft);overflow:hidden}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,7vw,110px);align-items:center}
.about .copy h2{font-size:clamp(30px,3.6vw,50px);margin-bottom:28px;letter-spacing:-0.025em}
.about .copy p{color:var(--ink-dim);font-size:17.5px;margin-bottom:20px;max-width:52ch}
.about .copy p .hl{color:var(--ink)}
.about .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:48px}
.about .stats .s .n{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,3.6vw,46px);color:var(--bronze-bright);letter-spacing:-0.02em}
.about .stats .s .l{font-size:13.5px;color:var(--ink-dim);margin-top:6px;line-height:1.4}
.about .visual{position:relative;aspect-ratio:4/5;border:1px solid var(--line);overflow:hidden}
.about .visual .dual{position:absolute;inset:0}

/* dual band split (concept/construction) */
.dual-split{position:absolute;inset:0;display:grid;grid-template-rows:1fr 1fr}
.dual-split .band{position:relative;display:flex;align-items:flex-end;padding:24px}
.dual-split .band .t{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-dim);z-index:2}
.dual-split .top{background:linear-gradient(180deg,#2a3650,#1d2840)}
.dual-split .bot{background:linear-gradient(180deg,#2a241a,#1c1810)}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-section{background:var(--bg-900);border-top:1px solid var(--line-soft)}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:clamp(40px,8vw,120px);
  align-items:start;
}

/* left column */
.contact-head .eyebrow{margin-bottom:22px;display:inline-flex;gap:12px;align-items:center}
.contact-head h2{font-size:clamp(30px,3.6vw,50px);margin-bottom:24px;letter-spacing:-0.025em}
.contact-head h2 .accent{color:var(--bronze-bright)}
.contact-head>p{color:var(--ink-dim);font-size:17px;line-height:1.65;max-width:44ch;margin-bottom:34px}

.contact-note{
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 22px;
  border:1px solid var(--line);
  background:var(--bg-850);
}
.cn-ico{width:18px;height:18px;flex-shrink:0;color:var(--bronze);margin-top:2px}
.contact-note p{color:var(--ink-dim);font-size:14.5px;line-height:1.55;margin:0}
.contact-note strong{color:var(--ink);font-weight:600}

/* form layout */
.contact-form{display:flex;flex-direction:column;gap:24px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-field{display:flex;flex-direction:column;gap:9px}

.f-label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-mute);font-weight:500;
}
.f-req{color:var(--bronze);margin-left:2px}

.f-input,.f-textarea{
  width:100%;background:var(--bg-850);color:var(--ink);
  border:1px solid var(--line-strong);
  font-family:var(--font-body);font-size:15.5px;font-weight:400;
  padding:13px 16px;border-radius:0;
  outline:none;appearance:none;
  transition:border-color .25s ease,background .25s ease;
  -webkit-appearance:none;
}
.f-input::placeholder,.f-textarea::placeholder{color:var(--ink-mute);opacity:1}
.f-input:focus,.f-textarea:focus{
  border-color:var(--bronze);
  background:color-mix(in oklab,var(--bg-850),var(--bronze) 3%);
}
.f-input.is-invalid{border-color:#c0534a}
.f-textarea{resize:vertical;min-height:130px;line-height:1.6}

/* interest options */
.interest-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;margin-top:2px;
}
.interest-opt{position:relative}
.interest-opt input{
  position:absolute;opacity:0;width:0;height:0;pointer-events:none;
}
.interest-opt label{
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:11px 10px;
  border:1px solid var(--line-strong);
  background:var(--bg-850);
  font-size:13px;font-weight:500;
  color:var(--ink-dim);
  cursor:pointer;min-height:48px;line-height:1.3;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
  user-select:none;
}
.interest-opt label:hover{color:var(--ink);border-color:var(--ink-mute)}
.interest-opt input:checked+label{
  border-color:var(--bronze);
  color:var(--bronze-bright);
  background:color-mix(in oklab,var(--bg-850),var(--bronze) 8%);
}
.interest-opt input:focus-visible+label{
  outline:2px solid var(--bronze);outline-offset:2px;
}

/* form footer */
.f-footer{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:4px}
.f-hint{font-size:13px;color:var(--ink-mute);line-height:1.45}
.f-error{
  font-size:13.5px;color:#c0534a;min-height:0;
  font-family:var(--font-mono);letter-spacing:.02em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{background:var(--bg-850);border-top:1px solid var(--line);padding-block:70px 40px}
.foot-top{display:grid;grid-template-columns:1.3fr 0.85fr 0.85fr 0.85fr 0.9fr;gap:36px;padding-bottom:54px;border-bottom:1px solid var(--line-soft)}
.foot .brand{margin-bottom:20px}
.foot .blurb{color:var(--ink-dim);font-size:15px;max-width:34ch}
.foot .col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);font-weight:500;margin-bottom:20px}
.foot .col a{display:block;color:var(--ink-dim);font-size:15px;padding:7px 0;transition:color .25s}
.foot .col a:hover{color:var(--bronze-bright)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:30px;gap:20px;flex-wrap:wrap}
.foot-bot .c{font-size:13px;color:var(--ink-mute)}
.foot-bot .c.mono{font-family:var(--font-mono)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  :root{--section-pad:120px}
  .stage-ind{display:none}
  .svc-grid{grid-template-columns:repeat(4,1fr)}
  .svc,.svc:nth-child(1),.svc:nth-child(2){grid-column:span 2}
  .about-grid{grid-template-columns:1fr;gap:50px}
  .about .visual{max-width:440px}
  .contact-grid{grid-template-columns:1fr;gap:52px}
  .contact-head>p{max-width:none}
}
@media (max-width:760px){
  /* ---- spacing ---- */
  :root{--section-pad:70px;--hero-track:300vh}

  /* ---- nav ---- */
  .nav-links,.nav-right .btn{display:none}
  .nav-toggle{display:flex}
  /* dropdown opens directly below the nav bar, whatever its current height */
  .nav.menu-open .nav-links{
    display:flex;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;
    background:color-mix(in oklab,var(--bg-850) 96%,transparent);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    padding:4px var(--gut) 24px;
  }
  .nav.menu-open .nav-links a{
    padding:16px 0;border-bottom:1px solid var(--line-soft);
    font-size:17px;color:var(--ink-dim);
  }
  .nav.menu-open .nav-links a.active,.nav.menu-open .nav-links a:active{color:var(--ink)}
  /* hamburger → X animation */
  .nav.menu-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav.menu-open .nav-toggle span:nth-child(2){opacity:0;transform:scaleX(0)}
  .nav.menu-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

  /* ---- hero ---- */
  .hero-copy{bottom:max(80px,12vh);right:var(--gut)}
  .hero-copy .eyebrow{margin-bottom:14px}
  .hero-copy h1{font-size:clamp(34px,10.5vw,56px);margin-bottom:14px}
  .hero-copy .sub{font-size:16px;margin-bottom:26px;max-width:100%}
  .building-scaler{transform:translateY(-4%) scale(var(--bscale,.6))}
  .hero-scrim{background:linear-gradient(0deg,rgba(12,10,8,.88) 0%,rgba(12,10,8,.42) 46%,rgba(12,10,8,.18) 100%)}
  .hero-cta{flex-direction:column;align-items:stretch;gap:10px}
  .hero-cta .btn{justify-content:center}
  .scroll-cue{display:none}

  /* ---- sections ---- */
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:40px}
  .sec-head p{margin-top:0;font-size:16px}
  .sec-head h2{font-size:clamp(28px,8vw,40px)}

  /* ---- services ---- */
  .svc-grid{grid-template-columns:1fr}
  .svc,.svc:nth-child(1),.svc:nth-child(2){grid-column:span 1;min-height:auto}
  .svc{padding:32px 26px 36px}
  .svc h3{font-size:20px;margin-top:22px;margin-bottom:10px}

  /* ---- courses ---- */
  .course-grid{grid-template-columns:1fr}
  .course .body{padding:24px 24px 28px}
  .course .body h3{font-size:22px}

  /* ---- about ---- */
  .about .visual{aspect-ratio:4/3;max-width:none}
  .about .copy p{font-size:16.5px}
  .about .stats{grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
  .about .stats .s:last-child{grid-column:1/-1}
  .about .stats .s .n{font-size:clamp(28px,8vw,36px)}

  /* ---- contact ---- */
  .f-row{grid-template-columns:1fr}
  .interest-grid{grid-template-columns:1fr 1fr}
  .f-footer{flex-direction:column;align-items:stretch;gap:12px}
  .f-footer .btn{justify-content:center}

  /* ---- footer ---- */
  .foot-top{grid-template-columns:1fr 1fr;gap:34px}
  .placeholder-note{display:none}
}
@media (max-width:440px){
  .foot-top{grid-template-columns:1fr}
  /* stats go single-column so "End-to-end" never overflows its cell */
  .about .stats{grid-template-columns:1fr;gap:16px}
  .about .stats .s:last-child{grid-column:auto}
  .interest-grid{grid-template-columns:1fr}
  .svc{padding:26px 20px 30px}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  .reveal{transition:none;opacity:1;transform:none}
  .scroll-cue .track::after{animation:none}
}

/* tweaks mount */
#tweaks-root{position:fixed;z-index:90}
.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  max-width: 190px;
  overflow: hidden;
}

.site-logo {
  width: 160px;
  height: auto;
  max-height: 42px;
  display: block;
  object-fit: contain;
}

@media (max-width: 768px) {
  .site-logo {
    width: 130px;
    max-height: 34px;
  }
}

.nav .brand {
  display: flex !important;
  align-items: center !important;
  width: 160px !important;
  max-width: 160px !important;
  height: 45px !important;
  overflow: hidden !important;
}

.nav .brand img,
.site-logo {
  width: 150px !important;
  height: auto !important;
  max-height: 40px !important;
  object-fit: contain !important;
  display: block !important;
}

/* ================================
   NAKSAHUB LOGO SIZE CONTROL
   ================================ */

/* Navbar logo */
.nav-logo {
  width: 150px;
  height: auto;
  max-height: 42px;
  display: block;
  object-fit: contain;
}

/* Navbar logo container */
.brand {
  display: flex;
  align-items: center;
  max-width: 180px;
  height: 56px;
  overflow: hidden;
}

/* Footer logo */
.footer-logo {
  width: 220px;
  height: auto;
  max-height: 90px;
  display: block;
  object-fit: contain;
}

/* Mobile logo sizes */
@media (max-width: 768px) {
  .nav-logo {
    width: 125px;
    max-height: 34px;
  }

  .brand {
    max-width: 140px;
    height: 48px;
  }

  .footer-logo {
    width: 50px;
    max-height: 70px;
  }
}

/* Footer logo size control */
.footer-logo {
  width: 180px !important;
  height: auto !important;
  max-height: none !important;
  display: block !important;
  object-fit: contain !important;
}

/* If footer has another image rule, this forces only footer logo */
footer .footer-logo {
  width: 180px !important;
  height: auto !important;
  max-height: none !important;
}

/* ── Final footer logo override — beats all rules above ── */
.footer-logo {
  width: 210px !important;
  height: auto !important;
  max-height: none !important;
  display: block !important;
  object-fit: contain !important;
}

/* Prevent the .brand container from clipping the footer logo */
footer .brand,
.foot .brand {
  overflow: visible !important;
  height: auto !important;
  max-height: none !important;
}

/* ── Courses section — 11-card grid ── */
.course-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Course image — covers placeholder when loaded, hides on error */
.course-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

/* Meta row: allow wrap on narrow cards */
.course .meta { flex-wrap: wrap; row-gap: 10px; }

/* Tools row below meta */
.course-tools {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.course-tools .k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.course-tools .tools-list {
  font-size: 13px;
  color: var(--ink-dim);
  font-weight: 500;
  line-height: 1.5;
}

/* Responsive breakpoints for course grid */
@media (max-width: 1080px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .course-grid { grid-template-columns: 1fr; }
}

/* ── About section — premium visual canvas ── */

/* Real image: covers canvas when loaded, hides on onerror */
.about-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}

/* CSS composition shown when no image is present */
.about-canvas {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #0f1824 0%, #0a1018 55%, #0d1420 100%);
  z-index: 1;
  overflow: hidden;
}

/* Blueprint grid overlay */
.ab-grid {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg,  rgba(96,130,200,.055) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(96,130,200,.055) 0 1px, transparent 1px 40px);
}

/* Structural drawing SVG */
.ab-frame {
  position: absolute;
  inset: 8% 10%;
}
.ab-frame svg { width: 100%; height: 100%; }

/* Glowing workflow nodes */
.ab-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
}
.ab-node-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bronze);
  box-shadow: 0 0 10px rgba(196,155,85,.9), 0 0 22px rgba(196,155,85,.35);
  flex-shrink: 0;
  animation: ab-pulse 2.6s ease-in-out infinite;
}
.ab-node:nth-child(2) .ab-node-dot { animation-delay: .9s; }
.ab-node:nth-child(3) .ab-node-dot { animation-delay: 1.8s; }
@keyframes ab-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(196,155,85,.7), 0 0 18px rgba(196,155,85,.25); }
  50%       { box-shadow: 0 0 18px rgba(196,155,85,1), 0 0 38px rgba(196,155,85,.45); }
}
.ab-node-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bronze-bright);
  opacity: .85;
}

/* Workflow tags row */
.ab-tags {
  position: absolute;
  bottom: 52px;
  left: 0;
  right: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 18px;
}
.ab-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(158,197,244,.55);
  border: 1px solid rgba(96,130,200,.2);
  padding: 4px 9px;
  border-radius: 2px;
}

/* Top-right studio label */
.ab-corner {
  position: absolute;
  top: 15px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(244,240,231,.22);
}

/* ============================================================
   CONTACT LOCATION BLOCK — info card + google maps embed
   ============================================================ */

.contact-location {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 28px;
  margin-top: 60px;
  align-items: stretch;
}

.contact-info-card {
  background: var(--bg-850);
  border: 1px solid var(--line);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
}

.info-card-heading {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 22px;
}

.cd-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.cd-row:last-of-type { border-bottom: none; }

.cd-ico {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--bronze);
  margin-top: 3px;
}

.cd-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.cd-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.cd-value {
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.65;
}

.cd-value a {
  color: var(--ink-dim);
  transition: color .25s;
}

.cd-value a:hover { color: var(--bronze-bright); }

.cd-actions {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 20px;
}

.btn-maps,
.btn-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .01em;
  cursor: pointer;
  transition: opacity .25s ease, transform .25s ease;
  white-space: nowrap;
}

.btn-maps:hover,
.btn-wa:hover { transform: translateY(-1px); }

.btn-maps {
  border: 1px solid var(--bronze);
  color: var(--bronze-bright);
  background: transparent;
}

.btn-maps:hover { background: color-mix(in oklab, var(--bronze) 9%, transparent); }

.btn-wa {
  background: #25d366;
  color: #fff;
  border: 1px solid transparent;
}

.btn-wa:hover { opacity: .88; }

.btn-maps svg, .btn-wa svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Google Maps embed card */
.contact-map-card {
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-850);
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.contact-map-card iframe {
  width: 100%;
  flex: 1;
  height: 100%;
  min-height: 320px;
  border: 0;
  display: block;
}

@media (max-width: 900px) {
  .contact-location { grid-template-columns: 1fr; }
  .contact-map-card { min-height: 260px; }
  .contact-map-card iframe { min-height: 260px; height: 260px; flex: none; }
}

/* ============================================================
   FOOTER — contact details in brand column
   ============================================================ */

.foot-contact-details {
  margin-top: 16px;
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.72;
}

.foot-contact-details p { margin: 0; }

.foot-contact-details .fcd-biz {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-dim);
  margin-bottom: 4px;
}

.foot-contact-details a {
  color: var(--ink-mute);
  transition: color .25s;
}

.foot-contact-details a:hover { color: var(--bronze-bright); }

/* ============================================================
   FOOTER — 5-column responsive override at 1080px
   ============================================================ */

@media (max-width: 1080px) {
  .foot-top { grid-template-columns: 1fr 1fr 1fr; gap: 30px; }
}

/* ============================================================
   NAV SOCIAL ICONS
   ============================================================ */

.nav-socials {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  color: var(--ink-mute);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}

.nav-social-link:hover {
  color: var(--bronze-bright);
  border-color: var(--bronze);
  background: color-mix(in oklab, var(--bronze) 8%, transparent);
}

.nav-social-link svg {
  width: 15px;
  height: 15px;
  display: block;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .nav-socials { display: none; }
}