/* ==========================================================================
   BAM FEST — Bharat Arts & Music Festival
   Design tokens: temple-sunset ember, ink navy, aged cream, near-black
   ========================================================================== */

:root{
  --ink:        #16233F;   /* deep navy — from invite copy */
  --ink-soft:   #2C3E63;
  --ember:      #E2470F;   /* temple-sky ember / logo orange */
  --ember-deep: #B33409;
  --gold:       #C08A2E;   /* invite label gold */
  --cream:      #F4EEE1;   /* invite paper */
  --cream-2:    #EBE1CC;
  --black:      #100D0B;   /* dancer silhouette black */
  --white:      #FFFFFF;
  --line:       rgba(16,13,11,0.12);
  --line-light: rgba(244,238,225,0.22);

  --font-display: 'Cormorant Garamond', serif;
  --font-sans:    'Archivo', sans-serif;
  --font-wordmark:'Archivo Black', sans-serif;

  --radius: 2px;
  --ease: cubic-bezier(.22,.68,0,1.02);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--black);
  color:var(--cream);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; margin:0 0 .4em; letter-spacing:.01em; }
p{ margin:0 0 1em; }

::selection{ background:var(--ember); color:var(--cream); }

:focus-visible{
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

.eyebrow{
  font-family:var(--font-sans);
  font-weight:700;
  font-size:.72rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--ember);
}
.container{ max-width:1240px; margin:0 auto; padding:0 32px; }
.section{ padding:96px 0; position:relative; }
.section--tight{ padding:64px 0; }
.section--cream{ background:var(--cream); color:var(--ink); }
.section--ink{ background:var(--ink); color:var(--cream); }
.section--black{ background:var(--black); color:var(--cream); }
.divider{ height:1px; background:var(--line); margin:32px 0; border:0; }
.divider--light{ background:var(--line-light); }

/* ---------------- Ring motif (signature element) ---------------- */
.ring-motif{
  position:absolute; inset:0; pointer-events:none; overflow:hidden; z-index:0;
}
.ring-motif span{
  position:absolute; border-radius:50%; border:1px solid var(--line-light);
}
.ring-motif .r1{ width:120vmax; height:120vmax; left:50%; top:50%; transform:translate(-50%,-50%); animation:spin 220s linear infinite; }
.ring-motif .r2{ width:90vmax; height:90vmax; left:50%; top:50%; transform:translate(-50%,-50%); animation:spin 160s linear infinite reverse; border-color:rgba(226,71,15,0.18); }
.ring-motif .r3{ width:60vmax; height:60vmax; left:50%; top:50%; transform:translate(-50%,-50%); animation:spin 260s linear infinite; }
@keyframes spin{ to{ transform:translate(-50%,-50%) rotate(360deg); } }
@media (prefers-reduced-motion: reduce){
  .ring-motif span{ animation:none !important; }
}

/* ---------------- Preloader (logo + hero art as the loading screen) ---------------- */
.preloader{
  position:fixed; inset:0; z-index:3000;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  background:
    linear-gradient(180deg, rgba(16,13,11,0.55) 0%, rgba(16,13,11,0.78) 100%),
    url('../assets/hero-bg.jpg') center 55% / cover no-repeat;
  transition:opacity .7s var(--ease), visibility .7s var(--ease);
}
.preloader.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader__ring{
  position:absolute; width:340px; height:340px; border-radius:50%;
  border:1px solid rgba(244,238,225,.28);
  animation:preSpin 3.2s linear infinite;
}
.preloader__ring::before{
  content:''; position:absolute; inset:-34px; border-radius:50%;
  border:1px solid rgba(226,71,15,.4);
}
@keyframes preSpin{ to{ transform:rotate(360deg); } }
.preloader__logo{
  width:104px; position:relative; z-index:2;
  animation:preBreathe 1.8s ease-in-out infinite;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.55));
}
@keyframes preBreathe{ 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.06); } }
.preloader__word{
  margin-top:22px; font-family:var(--font-wordmark); letter-spacing:.14em;
  font-size:.85rem; color:var(--cream); position:relative; z-index:2;
}
.preloader__word span{ color:var(--ember); }
.preloader__bar{
  margin-top:26px; width:180px; height:2px; background:rgba(244,238,225,.18);
  position:relative; overflow:hidden; z-index:2; border-radius:2px;
}
.preloader__bar::after{
  content:''; position:absolute; left:-40%; top:0; bottom:0; width:40%;
  background:var(--ember); animation:preLoad 1.1s ease-in-out infinite;
}
@keyframes preLoad{ 0%{ left:-40%; } 100%{ left:100%; } }
@media (prefers-reduced-motion: reduce){
  .preloader__ring, .preloader__logo, .preloader__bar::after{ animation:none; }
}

/* ---------------- Top bar / nav ---------------- */
.topbar{
  position:sticky; top:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:6px 28px;
  background:rgba(16,13,11,0.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line-light);
}
.topbar__brand{ display:flex; align-items:center; gap:10px; }
.topbar__brand img{ height:26px; width:auto; }
.topbar__brand-text{ font-family:var(--font-wordmark); font-size:.82rem; letter-spacing:.02em; color:var(--cream); }
.topbar__brand-text span{ color:var(--ember); }

.nav{ display:flex; align-items:center; gap:2px; }
.nav a{
  font-size:.76rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
  padding:5px 12px; color:var(--cream); opacity:.78;
  position:relative;
  transition:opacity .25s var(--ease), color .25s var(--ease);
}
.nav a::after{
  content:''; position:absolute; left:16px; right:16px; bottom:6px; height:1px;
  background:var(--ember); transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:hover, .nav a:focus-visible{ opacity:1; }
.nav a:hover::after, .nav a:focus-visible::after, .nav a.is-active::after{ transform:scaleX(1); }
.nav a.is-active{ opacity:1; color:var(--ember); }

.topbar__actions{ display:flex; align-items:center; gap:8px; }
.navtoggle{ display:none; background:none; border:1px solid var(--line-light); color:var(--cream); width:34px; height:34px; }

/* ---------------- Account pill ---------------- */
.acct{ position:relative; }
.acct__btn{
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px; padding:0;
  background:none; border:1px solid var(--line-light); border-radius:50%;
  color:var(--cream); cursor:pointer;
  transition:border-color .3s var(--ease), color .3s var(--ease);
}
.acct__btn:hover, .acct__btn.is-open{ border-color:var(--ember); color:var(--ember); }
.acct__ava{
  width:22px; height:22px; border-radius:50%;
  background:var(--ember); color:var(--white);
  font-size:.72rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}
.acct__menu{
  position:absolute; top:calc(100% + 8px); right:0; min-width:190px; z-index:120;
  background:var(--ink); border:1px solid var(--line-light); border-radius:var(--radius);
  padding:6px; box-shadow:0 18px 40px rgba(16,13,11,.35);
}
.acct__menu a, .acct__menu button{
  display:block; width:100%; text-align:left; border:none; background:none; cursor:pointer;
  padding:9px 12px; font-family:var(--font-sans);
  font-size:.74rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
  color:var(--cream);
}
.acct__menu a:hover, .acct__menu button:hover{ color:var(--ember); }
.acct__menu .acct__hi{
  padding:9px 12px 7px; margin-bottom:4px; border-bottom:1px solid var(--line-light);
  font-size:.8rem; font-weight:700; letter-spacing:0; text-transform:none; color:var(--cream-2);
}
.acct__menu .acct__out{ color:var(--ember); }
.acct__menu .acct__out:hover{ color:var(--ember-deep); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-sans); font-weight:700; font-size:.78rem;
  letter-spacing:.1em; text-transform:uppercase;
  padding:12px 22px; border-radius:var(--radius);
  border:1px solid transparent; cursor:pointer;
  transition:transform .35s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn--ember{ background:var(--ember); color:var(--white); }
.btn--ember:hover{ background:var(--ember-deep); }
.btn--ghost{ background:transparent; color:var(--cream); border-color:var(--line-light); }
.btn--ghost:hover{ border-color:var(--ember); color:var(--ember); }
.btn--ink{ background:var(--ink); color:var(--cream); }
.btn--ink:hover{ background:var(--ink-soft); }
.btn--sm{ padding:6px 12px; font-size:.66rem; }

/* ---------------- Hero ---------------- */
.hero{
  position:relative; min-height:92vh; display:flex; align-items:center;
  background:
    linear-gradient(180deg, rgba(16,13,11,0.35) 0%, rgba(16,13,11,0.55) 55%, var(--black) 100%),
    url('../assets/hero-bg.jpg') center 62% / cover no-repeat;
  overflow:hidden;
}
.hero__inner{ position:relative; z-index:2; width:100%; padding:120px 0 80px; text-align:center; }
.hero .eyebrow{ display:block; margin-bottom:22px; color:#FFD9BE; }
.hero__logo{
  width:132px; margin:0 auto 26px; filter:drop-shadow(0 8px 30px rgba(0,0,0,.5));
  animation:rise 1.1s var(--ease) both;
}
.hero h1{
  font-size:clamp(2.6rem, 6vw, 5rem); color:var(--white); margin-bottom:.25em;
  animation:rise 1.1s .1s var(--ease) both;
}
.hero h1 em{ font-style:italic; color:#FFB27A; }
.hero__sub{
  font-family:var(--font-display); font-style:italic; font-size:clamp(1.1rem,2vw,1.5rem);
  color:var(--cream-2); max-width:640px; margin:0 auto 34px;
  animation:rise 1.1s .2s var(--ease) both;
}
.hero__meta{
  display:flex; gap:28px; justify-content:center; flex-wrap:wrap; margin-bottom:38px;
  font-size:.82rem; letter-spacing:.08em; text-transform:uppercase; color:var(--cream-2);
  animation:rise 1.1s .3s var(--ease) both;
}
.hero__meta b{ color:var(--white); font-weight:700; }
.hero__cta{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; animation:rise 1.1s .4s var(--ease) both; }
@keyframes rise{ from{ opacity:0; transform:translateY(22px); } to{ opacity:1; transform:translateY(0); } }

.hero__scroll{
  position:absolute; left:50%; bottom:26px; transform:translateX(-50%);
  width:1px; height:56px; background:linear-gradient(var(--ember), transparent);
  z-index:2;
}

/* Page (non-home) hero — shorter */
.pagehero{
  position:relative; padding:170px 0 90px; text-align:center; overflow:hidden;
  background:
    linear-gradient(180deg, rgba(16,13,11,0.55), var(--black) 92%),
    url('../assets/hero-bg.jpg') center 30% / cover no-repeat;
}
.pagehero__inner{ position:relative; z-index:2; }
.pagehero h1{ color:var(--white); font-size:clamp(2.2rem,4.4vw,3.4rem); }
.pagehero p{ font-family:var(--font-display); font-style:italic; color:var(--cream-2); font-size:1.15rem; max-width:560px; margin:14px auto 0; }

/* ---------------- Tilt cards (3D hover) ---------------- */
.tiltgrid{ display:grid; gap:28px; }
.tilt{
  --rx:0deg; --ry:0deg;
  perspective:900px;
}
.tilt__card{
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform .12s ease-out, box-shadow .3s var(--ease), border-color .3s var(--ease);
  background:var(--ink);
  border:1px solid var(--line-light);
  border-radius:var(--radius);
  padding:32px 28px;
  height:100%;
  position:relative;
  will-change:transform;
}
.tilt__card::before{
  content:''; position:absolute; inset:0; border-radius:inherit;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%), rgba(226,71,15,.16), transparent 60%);
  opacity:0; transition:opacity .3s var(--ease); pointer-events:none;
}
.tilt:hover .tilt__card::before{ opacity:1; }
.tilt:hover .tilt__card{ border-color:rgba(226,71,15,.5); box-shadow:0 24px 50px -20px rgba(0,0,0,.6); }
.tilt__num{ font-family:var(--font-display); font-style:italic; color:var(--ember); font-size:.95rem; margin-bottom:14px; display:block; }
.tilt__card h3{ font-size:1.4rem; margin-bottom:.35em; color:var(--white); }
.tilt__card p{ color:var(--cream-2); font-size:.92rem; margin-bottom:0; }

/* ---------------- Pillars / grid layouts ---------------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

.stat{ text-align:center; padding:20px 10px; }
.stat b{ display:block; font-family:var(--font-display); font-size:2.6rem; color:var(--ember); }
.stat span{ font-size:.75rem; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-soft); }

/* ---------------- Marquee (sponsors) ---------------- */
.marquee{
  overflow:hidden; position:relative;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track{
  display:flex; width:max-content; gap:0;
  animation:scroll 34s linear infinite;
}
.marquee:hover .marquee__track{ animation-play-state:paused; }
.marquee__item{
  display:flex; align-items:center; justify-content:center;
  padding:0 46px; height:88px;
  font-family:var(--font-wordmark); font-size:1.05rem; letter-spacing:.03em;
  color:var(--ink); opacity:.55; white-space:nowrap;
  border-right:1px solid var(--line);
  transition:opacity .3s var(--ease), color .3s var(--ease);
}
.marquee__item--logo{ min-width:190px; padding:0 24px; }
.marquee__item img{
  max-height:54px; width:auto; max-width:140px; object-fit:contain;
  filter:grayscale(1) opacity(.72);
  transition:filter .3s var(--ease), opacity .3s var(--ease);
}
.marquee__item:hover{ opacity:1; color:var(--ember-deep); }
.marquee__item:hover img{ filter:grayscale(0) opacity(1); }
@keyframes scroll{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }
@media (prefers-reduced-motion: reduce){ .marquee__track{ animation:none; overflow-x:auto; } }

/* ---------------- Timeline (used for Awards / About) ---------------- */
.timeline{ border-left:1px solid var(--line-light); margin-left:8px; }
.timeline li{ position:relative; padding:0 0 40px 32px; }
.timeline li::before{
  content:''; position:absolute; left:-6px; top:4px; width:11px; height:11px;
  border-radius:50%; background:var(--ember); box-shadow:0 0 0 4px rgba(226,71,15,.18);
}
.timeline h4{ color:var(--white); margin-bottom:.2em; }
.timeline .eyebrow{ display:block; margin-bottom:6px; }

/* ---------------- Category chips ---------------- */
.chips{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{
  font-size:.75rem; letter-spacing:.05em; text-transform:uppercase; font-weight:600;
  padding:9px 16px; border:1px solid var(--line); border-radius:20px; color:var(--ink);
  transition:all .25s var(--ease);
}
.chip:hover{ background:var(--ember); border-color:var(--ember); color:var(--white); }

/* ---------------- Quote block ---------------- */
.quote{
  font-family:var(--font-display); font-style:italic; font-size:clamp(1.4rem,2.6vw,2rem);
  max-width:820px; margin:0 auto; text-align:center; line-height:1.5;
}
.quote cite{ display:block; margin-top:20px; font-style:normal; font-family:var(--font-sans); font-size:.78rem; letter-spacing:.12em; text-transform:uppercase; color:var(--ember); }

/* ---------------- CTA banner ---------------- */
.cta-banner{
  position:relative; text-align:center; padding:90px 0;
  background:linear-gradient(120deg, var(--ember) 0%, var(--ember-deep) 100%);
  color:var(--white); overflow:hidden;
}
.cta-banner h2{ color:var(--white); font-size:clamp(2rem,4vw,2.8rem); }
.cta-banner .btn--ink{ background:var(--black); }
.cta-banner .btn--ghost{ border-color:rgba(255,255,255,.5); }
.cta-banner .btn--ghost:hover{ border-color:var(--white); color:var(--white); }

/* ---------------- Footer ---------------- */
.footer{ background:var(--black); border-top:1px solid var(--line-light); padding:64px 0 28px; }
.footer__top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
.footer__brand img{ height:34px; margin-bottom:14px; }
.footer__brand p{ color:var(--cream-2); font-size:.88rem; max-width:280px; }
.footer h5{ font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ember); margin-bottom:16px; font-family:var(--font-sans); font-weight:700; }
.footer ul li{ margin-bottom:10px; }
.footer ul a{ color:var(--cream-2); font-size:.88rem; transition:color .25s var(--ease); }
.footer ul a:hover{ color:var(--ember); }
.footer__social{ display:flex; gap:12px; margin-top:18px; }
.footer__social li{ margin-bottom:0; }
.footer__social a{ display:inline-flex; align-items:center; gap:8px; padding:9px 16px; border:1px solid rgba(244,238,225,.18); border-radius:999px; font-size:.82rem; transition:all .25s var(--ease); }
.footer__social a:hover{ border-color:var(--ember); color:var(--ember); background:rgba(255,255,255,.04); }
.footer__social svg{ width:17px; height:17px; flex:none; }
.footer__bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  padding-top:24px; border-top:1px solid var(--line-light);
  font-size:.75rem; color:rgba(244,238,225,.5); letter-spacing:.03em;
}

/* ---------------- Modal (Register) ---------------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(16,13,11,.72); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center; padding:24px;
  z-index:1000; opacity:0; pointer-events:none; transition:opacity .3s var(--ease);
}
.modal-overlay.is-open{ opacity:1; pointer-events:auto; }
.modal{
  background:var(--cream); color:var(--ink); width:100%; max-width:560px;
  border-radius:var(--radius); padding:40px; max-height:88vh; overflow-y:auto;
  transform:translateY(18px) scale(.98); transition:transform .35s var(--ease);
  position:relative;
}
.modal-overlay.is-open .modal{ transform:translateY(0) scale(1); }
.modal__close{
  position:absolute; top:18px; right:18px; width:34px; height:34px; border:1px solid var(--line);
  background:transparent; cursor:pointer; font-size:1rem; color:var(--ink); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transition:all .25s var(--ease);
}
.modal__close:hover{ background:var(--ember); border-color:var(--ember); color:var(--white); }
.modal h3{ font-size:1.7rem; margin-bottom:.15em; }
.modal .eyebrow{ margin-bottom:10px; display:block; }

.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; font-weight:700; margin-bottom:7px; color:var(--ink-soft); }
.field input, .field select, .field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--white); font-family:var(--font-sans); font-size:.92rem; color:var(--ink);
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--ember); box-shadow:0 0 0 3px rgba(226,71,15,.14);
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-note{ font-size:.78rem; color:var(--ink-soft); margin-top:4px; }
.form-status{ font-size:.85rem; margin-top:14px; padding:12px 14px; border-radius:var(--radius); display:none; }
.form-status.is-visible{ display:block; }
.form-status.ok{ background:#E4EFE2; color:#2E5E2A; display:block; }
.form-status.err{ background:#F6E1DA; color:#8B2E10; display:block; }

/* ---------------- Legal / utility pages ---------------- */
.notice-box{
  border:1px solid var(--line); border-left:3px solid var(--ember);
  background:var(--cream-2); color:var(--ink); padding:22px 26px;
  border-radius:var(--radius); font-size:.92rem; font-style:italic; color:var(--ink-soft);
}
.legal-body h3{ font-size:1.2rem; margin-top:2em; color:var(--ink); }
.legal-body p, .legal-body li{ color:var(--ink-soft); font-size:.95rem; }
.legal-body ul{ list-style:disc; padding-left:1.3em; margin-bottom:1em; }

.sitemap-list{ columns:2; column-gap:48px; }
.sitemap-list li{ break-inside:avoid; margin-bottom:14px; }
.sitemap-list a{ font-family:var(--font-display); font-size:1.15rem; color:var(--ink); border-bottom:1px solid transparent; }
.sitemap-list a:hover{ color:var(--ember); border-color:var(--ember); }
.sitemap-list span{ display:block; font-size:.78rem; color:var(--ink-soft); margin-top:2px; }
@media (max-width:640px){ .sitemap-list{ columns:1; } }

.a11y-badges{ display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.a11y-badge{
  border:1px solid var(--line-light); padding:14px 18px; border-radius:var(--radius);
  font-size:.82rem; color:var(--cream-2); min-width:160px;
}
.a11y-badge b{ display:block; color:var(--white); font-family:var(--font-display); font-size:1.4rem; }

/* ---------------- Reveal on scroll ---------------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-revealed{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ---------------- Utility ---------------- */
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.text-center{ text-align:center; }
.max-560{ max-width:560px; margin-left:auto; margin-right:auto; }
.tag-row{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:14px;}
.tag{ font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color:var(--cream-2); border:1px solid var(--line-light); padding:6px 12px; border-radius:20px; }

/* ---------------- Responsive ---------------- */
@media (max-width:980px){
  .nav{ display:none; }
  .navtoggle{ display:inline-flex; align-items:center; justify-content:center; }
  .grid-2{ grid-template-columns:1fr; gap:32px; }
  .grid-3{ grid-template-columns:1fr; }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .footer__top{ grid-template-columns:1fr 1fr; }
  body.nav-open .nav{
    display:flex; flex-direction:column; position:fixed; inset:64px 0 0 0;
    background:var(--black); padding:20px 24px; gap:6px; overflow-y:auto;
  }
  body.nav-open .nav a{ padding:16px 6px; border-bottom:1px solid var(--line-light); }
}
@media (max-width:640px){
  .field-row{ grid-template-columns:1fr; }
  .hero__meta{ gap:16px; }
  .container{ padding:0 20px; }
  .footer__top{ grid-template-columns:1fr; gap:28px; }

  .section{ padding:64px 0; }
  .section--tight{ padding:44px 0; }
  .pagehero{ padding:120px 0 60px; }
  .hero__inner{ padding:84px 0 60px; }
  .hero{ min-height:auto; }
  .grid-4{ grid-template-columns:1fr; }
  .tilt__card{ padding:26px 20px; }
  .stat b{ font-size:2rem; }
  .footer__top{ gap:24px; }
  .footer__bottom{ justify-content:center; text-align:center; }
  .modal{ padding:28px 20px; max-height:92vh; }
  .quote{ font-size:1.3rem; }
  .cta-banner{ padding:64px 0; }
  .preloader__ring{ width:260px; height:260px; }
  .preloader__logo{ width:84px; }
  .topbar .btn--ghost{ display:none; }
}
@media (max-width:500px){
  .topbar{ padding:6px 14px; gap:8px; }
  .topbar__actions{ gap:6px; }
  .topbar__brand-text{ font-size:.74rem; }
  .topbar__brand img{ height:22px; }
  .topbar .btn--sm{ padding:8px 12px; font-size:.62rem; }
  body.nav-open .nav{ inset:52px 0 0 0; padding:14px 18px; }
  .hero__meta{ gap:10px; font-size:.74rem; }
  .marquee__item{ padding:0 28px; height:72px; }
  .marquee__item--logo{ min-width:150px; }
  .hero__cta .btn{ width:100%; }
  .a11y-badge{ min-width:100%; }
}