/* ============================================================
   DAR Asia Malaysia — Scientific Conference 2026
   Design language lifted from the official flyer:
   deep navy + Islamic geometry, polished gold, cream cartouches.
   ============================================================ */

:root{
  --navy-950:#03102f;
  --navy-900:#061638;
  --navy-800:#0a2050;
  --navy-700:#0f2c6d;
  --navy-600:#16408f;
  --ink:#12305f;
  --ink-soft:#41547d;

  --gold-100:#fdf5df;
  --gold-200:#f7e3ac;
  --gold-300:#eccb7e;
  --gold-400:#d9a441;
  --gold-500:#b8822f;
  --gold-600:#8a5f1c;

  --cream:#f4f5f7;
  --cream-2:#e9ecf2;
  --white:#ffffff;

  --gold-grad:linear-gradient(135deg,#8a5f1c 0%,#d9a441 22%,#fbeec2 48%,#e0b45c 68%,#b8822f 88%,#7a5217 100%);
  --gold-soft:linear-gradient(135deg,#e9be6d 0%,#f7e3ac 50%,#d9a441 100%);
  --navy-grad:radial-gradient(120% 90% at 50% 0%,#16408f 0%,#0a2050 45%,#04102f 100%);

  --shadow-lg:0 30px 70px rgba(2,10,32,.45);
  --shadow-md:0 16px 40px rgba(2,10,32,.18);

  --f-display:"Cormorant Garamond",Georgia,serif;
  --f-body:"Montserrat","Helvetica Neue",Arial,sans-serif;

  --wrap:1180px;
  --r-lg:28px;
  --r-md:18px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--f-body);color:var(--ink);
  background:var(--navy-950);line-height:1.65;font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.15;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
sup{font-size:.55em;vertical-align:super}

.skip{position:absolute;left:-9999px;top:0;background:var(--gold-300);color:var(--navy-900);padding:10px 18px;z-index:999;border-radius:0 0 10px 0}
.skip:focus{left:0}

.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.wrap--narrow{width:min(100% - 40px,860px)}

/* ---------- buttons ---------- */
.btn{
  --btn-pad:16px 34px;
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:var(--btn-pad);border-radius:999px;text-decoration:none;
  font-weight:600;font-size:.96rem;letter-spacing:.02em;
  transition:transform .25s cubic-bezier(.2,.8,.3,1),box-shadow .25s,background .25s,color .25s;
  border:1px solid transparent;white-space:nowrap;position:relative;overflow:hidden;
}
.btn--sm{--btn-pad:10px 22px;font-size:.85rem}
.btn--block{display:flex;width:100%}
.btn--gold{
  background:var(--gold-grad);color:#2a1a04;
  box-shadow:0 10px 28px rgba(217,164,65,.32),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn--gold::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.65) 48%,transparent 62%);
  transform:translateX(-120%);transition:transform .7s;
}
.btn--gold:hover::after{transform:translateX(120%)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(217,164,65,.45)}
.btn--ghost{
  color:var(--gold-200);border-color:rgba(236,203,126,.55);
  background:rgba(255,255,255,.04);backdrop-filter:blur(6px);
}
.btn--ghost:hover{transform:translateY(-3px);background:rgba(236,203,126,.14);border-color:var(--gold-300);color:var(--gold-100)}
.btn--navy{background:linear-gradient(135deg,var(--navy-700),var(--navy-900));color:#fff;box-shadow:0 10px 26px rgba(10,32,80,.3)}
.btn--navy:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(10,32,80,.42)}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;padding:10px 0;
  background:rgba(5,17,46,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(236,203,126,.16);
  box-shadow:0 10px 34px rgba(0,0,0,.35);
  transform:translateY(-102%);opacity:0;pointer-events:none;
  transition:transform .4s cubic-bezier(.2,.8,.3,1),opacity .3s;
}
/* revealed only once the hero artboard has scrolled away */
.nav.is-visible{transform:none;opacity:1;pointer-events:auto}

.nav__inner{width:min(100% - 40px,1280px);margin-inline:auto;display:flex;align-items:center;gap:26px}
.nav__brand img{width:112px;height:auto}
.nav__links{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav__links a{
  color:rgba(255,255,255,.82);text-decoration:none;font-size:.88rem;font-weight:500;
  letter-spacing:.02em;position:relative;padding:6px 0;transition:color .2s;
}
.nav__links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;
  background:var(--gold-soft);transition:width .3s;
}
.nav__links a:not(.btn):hover{color:var(--gold-200)}
.nav__links a:not(.btn):hover::after{width:100%}
.nav__cta{color:#2a1a04 !important}
.nav__toggle{
  display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer;
  flex-direction:column;gap:5px;
}
.nav__toggle span{display:block;width:24px;height:2px;background:var(--gold-200);transition:.3s}
.nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}


/* ---------- shared decorative layers ---------- */
.pattern-layer{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:url("../img/hero/pattern.png") repeat;
  background-size:420px auto;
  opacity:.55;
  -webkit-mask-image:radial-gradient(120% 85% at 50% 20%,#000 15%,transparent 80%);
          mask-image:radial-gradient(120% 85% at 50% 20%,#000 15%,transparent 80%);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{position:relative;padding:clamp(70px,9vw,120px) 0;overflow:hidden;scroll-margin-top:78px}
.section--tight{padding:clamp(48px,6vw,74px) 0}
.section--light{background:linear-gradient(180deg,#fff 0%,var(--cream) 60%,#e8ecf3 100%);color:var(--ink)}
.section--dark{background:var(--navy-grad);color:#fff}
.section--dark::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(80% 60% at 50% 110%,rgba(217,164,65,.12),transparent 70%);
}
.section--dark > .wrap{position:relative;z-index:2}

.head{text-align:center;margin-bottom:clamp(38px,5vw,60px)}
.eyebrow{
  font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;
  color:var(--gold-500);margin:0 0 16px;
}
.section--dark .eyebrow{color:var(--gold-300)}
.head__note{margin:18px auto 0;max-width:620px;font-size:.9rem;color:rgba(255,255,255,.6)}
.section--light .head__note{color:var(--ink-soft)}

/* the cream plaque used for section titles on the flyer */
.panel{
  display:inline-block;position:relative;
  font-size:clamp(1.4rem,3.4vw,2.3rem);font-weight:700;color:var(--ink);
  background:linear-gradient(180deg,#fff,#eef1f7);
  padding:16px clamp(28px,5vw,64px);border-radius:18px;
  box-shadow:0 16px 40px rgba(6,20,60,.16);
}
.panel::before,.panel::after{
  content:"";position:absolute;top:50%;width:26px;height:26px;
  transform:translateY(-50%) rotate(45deg);background:var(--gold-grad);
  border-radius:5px;z-index:-1;
}
.panel::before{left:-13px}.panel::after{right:-13px}
.panel--dark{box-shadow:0 20px 50px rgba(0,0,0,.42)}

/* ---------- facts strip ---------- */
.facts{background:linear-gradient(90deg,#0a2050,#16408f 50%,#0a2050);border-block:1px solid rgba(236,203,126,.2)}
.facts__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:34px 0;text-align:center}
.fact b{
  display:block;font-size:1.85rem;font-weight:700;line-height:1.1;
  background:var(--gold-soft);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.fact span{font-size:.78rem;letter-spacing:.08em;color:rgba(255,255,255,.72)}
.fact + .fact{border-left:1px solid rgba(236,203,126,.18)}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:1.25fr .95fr;gap:clamp(28px,4vw,58px);align-items:start}
.lead{font-size:1.12rem;font-weight:500;color:var(--ink);line-height:1.6}
.about__text p{color:var(--ink-soft)}
.about__text strong{color:var(--ink);font-weight:600}
.about__list{list-style:none;margin:0;padding:26px;display:grid;gap:18px;
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-md);
  border:1px solid rgba(18,48,95,.07);
}
.about__list li{display:flex;gap:14px;align-items:flex-start}
.about__list .ico{
  flex:none;width:32px;height:32px;display:grid;place-items:center;border-radius:9px;
  background:var(--gold-grad);color:#2a1a04;font-size:.7rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
}
.about__list b{display:block;font-size:.98rem;color:var(--ink);margin-bottom:2px}
.about__list div{font-size:.9rem;color:var(--ink-soft);line-height:1.55}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  position:relative;padding:32px 28px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(236,203,126,.22);backdrop-filter:blur(6px);
  transition:transform .35s cubic-bezier(.2,.8,.3,1),border-color .35s,box-shadow .35s;
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:auto -30% -60% -30%;height:120px;
  background:radial-gradient(50% 100% at 50% 100%,rgba(217,164,65,.35),transparent 70%);
  opacity:0;transition:opacity .35s;
}
.card:hover{transform:translateY(-8px);border-color:rgba(236,203,126,.55);box-shadow:var(--shadow-lg)}
.card:hover::after{opacity:1}
.card__ico{
  width:52px;height:52px;display:grid;place-items:center;border-radius:14px;
  background:var(--gold-grad);color:#2a1a04;font-size:1.35rem;margin-bottom:18px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55),0 10px 24px rgba(217,164,65,.24);
}
.card h3{font-size:1.12rem;margin-bottom:10px;color:var(--gold-100)}
.card p{font-size:.92rem;color:rgba(255,255,255,.72);margin:0;line-height:1.62}

/* ---------- programme ---------- */
.days{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.day{
  background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-md);
  border:1px solid rgba(18,48,95,.07);position:relative;overflow:hidden;
}
.day::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--gold-grad)}
.day header{margin-bottom:18px}
.day__no{
  display:inline-block;background:var(--gold-grad);color:#2a1a04;font-weight:700;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;padding:5px 14px;
  border-radius:999px;margin-bottom:12px;
}
.day h3{font-size:1.16rem;color:var(--ink)}
.day ul{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.day li{font-size:.93rem;color:var(--ink-soft);padding-left:0;display:grid;gap:2px}
.day li b{
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-500);font-weight:600;
}
.note{text-align:center;margin:28px 0 0;font-size:.86rem;color:var(--ink-soft);font-style:italic}

/* ---------- registration ---------- */
.reg{display:grid;grid-template-columns:1.5fr .8fr;gap:26px;align-items:stretch}
.reg__table{
  background:linear-gradient(180deg,#fff,#f2f4f8);border-radius:var(--r-lg);
  padding:44px 34px 30px;position:relative;box-shadow:var(--shadow-lg);
}
.pill{
  position:absolute;top:-22px;left:50%;transform:translateX(-50%);
  background:var(--gold-grad);color:#2a1a04;font-weight:700;
  padding:11px 34px;border-radius:999px;white-space:nowrap;
  font-size:clamp(.95rem,2vw,1.2rem);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55),0 12px 26px rgba(217,164,65,.3);
}
.reg__table table{width:100%;border-collapse:collapse;margin-top:10px}
.reg__table th,.reg__table td{padding:18px 12px;text-align:center;font-size:1rem}
.reg__table th{
  font-weight:700;color:var(--ink);font-size:1rem;
  border-bottom:1px solid rgba(18,48,95,.14);
}
.reg__table td{color:var(--ink);border-bottom:1px solid rgba(18,48,95,.09)}
.reg__table tbody tr:last-child td{border-bottom:0}
.reg__table th:first-child,.reg__table td:first-child{text-align:left;padding-left:6px;font-weight:500}
.reg__table td + td{border-left:1px solid rgba(18,48,95,.09)}
.reg__table th + th{border-left:1px solid rgba(18,48,95,.09)}
.reg__fine{margin:18px 0 0;font-size:.82rem;color:var(--ink-soft);line-height:1.55}

.reg__cta{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:34px 24px;border-radius:var(--r-lg);text-align:center;
  background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(236,203,126,.28);
}
.reg__cta--light{background:linear-gradient(180deg,#fff,#f2f4f8);border-color:rgba(18,48,95,.08);box-shadow:var(--shadow-md)}
.qr{display:block;background:#fff;padding:10px;border-radius:14px;box-shadow:0 10px 26px rgba(0,0,0,.22);transition:transform .3s}
.qr:hover{transform:scale(1.04)}
.qr img{width:150px;height:150px}
.qr__label{
  margin:0;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  color:var(--gold-200);
}
.reg__cta--light .qr__label{color:var(--ink)}

/* ---------- timeline ---------- */
.timeline{list-style:none;margin:16px 0 0;padding:0 0 0 30px;position:relative;display:grid;gap:26px}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--gold-400),rgba(217,164,65,.15));
}
.timeline li{position:relative}
.timeline__dot{
  position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--gold-grad);box-shadow:0 0 0 4px rgba(217,164,65,.16);
}
.timeline b{display:block;font-size:1.28rem;color:var(--ink);line-height:1.2}
.timeline span{font-size:.88rem;color:var(--ink-soft)}
.timeline .is-soon b{color:var(--gold-500)}
.timeline li.is-soon .timeline__dot{animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(217,164,65,.18)}50%{box-shadow:0 0 0 10px rgba(217,164,65,.05)}}

/* ---------- venue ---------- */
.venue{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(28px,4vw,52px);align-items:center}
.venue .lead{color:#fff}
.venue__list{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:14px}
.venue__list li{display:grid;gap:2px;padding-bottom:14px;border-bottom:1px solid rgba(236,203,126,.16);font-size:.98rem;color:rgba(255,255,255,.82)}
.venue__list b{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-300);font-weight:600}

.venue__media{display:grid;gap:16px}
.venue__photo{
  margin:0;position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(236,203,126,.3);box-shadow:var(--shadow-lg);
}
.venue__photo img{width:100%;height:100%;aspect-ratio:3 / 2;object-fit:cover;object-position:50% 40%}
.venue__photo figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 20px 14px;
  background:linear-gradient(180deg,transparent,rgba(3,16,47,.88));
  font-size:.82rem;font-weight:600;letter-spacing:.04em;color:#fff;
}
.venue__card{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 20px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(236,203,126,.28);
}
.venue__glyph{
  flex:none;width:30px;height:30px;display:grid;place-items:center;border-radius:8px;
  background:var(--gold-grad);color:#2a1a04;font-size:.8rem;line-height:1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
}
.venue__card b{display:block;color:var(--gold-200);font-size:.98rem;margin-bottom:2px}
.venue__card span{display:block;font-size:.84rem;line-height:1.5;color:rgba(255,255,255,.66)}

/* ---------- organisers ---------- */
.orgs{display:grid;grid-template-columns:repeat(2,minmax(0,330px));gap:22px;justify-content:center}
.org{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
  background:var(--navy-grad);border-radius:var(--r-lg);padding:34px 30px 26px;text-align:center;
  box-shadow:var(--shadow-lg);border:1px solid rgba(236,203,126,.24);
  min-height:210px;
}
.org img{width:auto;max-height:104px;object-fit:contain}
.org em{
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-300);font-style:normal;font-weight:600;
}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(236,203,126,.22);border-radius:var(--r-md);
  padding:0 24px;transition:border-color .3s,background .3s;
}
.faq details[open]{border-color:rgba(236,203,126,.5)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-weight:600;font-size:1rem;color:var(--gold-100);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:1.5rem;font-weight:300;color:var(--gold-300);transition:transform .3s;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq p{margin:0;padding:0 0 22px;font-size:.93rem;color:rgba(255,255,255,.72);line-height:1.65}
.faq a{color:var(--gold-200)}

/* ---------- footer ---------- */
.footer{background:#03102f;color:rgba(255,255,255,.62);padding:56px 0 26px;font-size:.88rem}
.footer__inner{display:grid;grid-template-columns:1.1fr 1fr 1.2fr;gap:34px;align-items:start}
.footer__logo{width:150px;margin-bottom:16px;opacity:.9}
.footer__nav{display:flex;flex-direction:column;gap:9px}
.footer__nav a{text-decoration:none;transition:color .2s}
.footer__nav a:hover{color:var(--gold-200)}
.footer__meta b{color:var(--gold-200);font-weight:600}
.footer__enq{font-size:.82rem;opacity:.75}
.footer__legal{
  text-align:center;margin:40px 0 0;padding-top:22px;font-size:.78rem;opacity:.5;
  border-top:1px solid rgba(255,255,255,.08);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
.reveal.is-in{opacity:1;transform:none}
.cards .reveal:nth-child(2),.facts .reveal:nth-child(2){transition-delay:.08s}
.cards .reveal:nth-child(3),.facts .reveal:nth-child(3){transition-delay:.16s}
.cards .reveal:nth-child(4),.facts .reveal:nth-child(4){transition-delay:.24s}
.cards .reveal:nth-child(5){transition-delay:.32s}
.cards .reveal:nth-child(6){transition-delay:.4s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .about,.reg,.venue,.days,.cards{grid-template-columns:1fr}
  .venue__media{margin-top:8px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .reg__cta{padding:28px}
  .footer__inner{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .nav__toggle{display:flex}
  .nav__links{
    position:absolute;top:100%;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(5,17,46,.97);backdrop-filter:blur(16px);
    border-top:1px solid rgba(236,203,126,.2);
    max-height:0;overflow:hidden;transition:max-height .4s ease;
  }
  .nav__links.is-open{max-height:520px}
  .nav__links a{padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.06);font-size:.95rem}
  .nav__links a:not(.btn)::after{display:none}
  .nav__cta{margin:16px 24px 22px;justify-content:center}
  .facts__grid{grid-template-columns:1fr 1fr;gap:22px}
  .fact + .fact{border-left:0}
  .fact:nth-child(even){border-left:1px solid rgba(236,203,126,.18)}
  .cards{grid-template-columns:1fr}
}
@media (max-width:620px){
  .btn{--btn-pad:14px 26px;font-size:.9rem}
  .reg__table{padding:40px 18px 26px}
  .reg__table th,.reg__table td{padding:14px 6px;font-size:.88rem}
  .panel{border-radius:14px}
  .orgs{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;text-align:left}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
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}