/* ============================================================
   style.css — Al-Ayat Conference System ("Enlightened Serenity")
   Shirweynaha Zaadul Mu'min — Mu'assasada Al-Aayaat
   ============================================================ */

/* ─── Design Tokens ─── */
:root {
  /* Surfaces (warm cream system) */
  --surface:            #fcf9f8;
  --surface-low:        #f6f3f2;
  --surface-cont:       #f0eded;
  --surface-high:       #eae7e7;
  --surface-highest:    #e4e2e1;
  --white:              #ffffff;

  /* Primary — deep teal */
  --primary:            #00474b;
  --primary-2:          #1e5f64;
  --primary-3:          #28676c;
  --on-primary:         #ffffff;
  --primary-fixed:      #b0edf3;
  --primary-dim:        #94d1d6;

  /* Secondary — muted gold */
  --gold:               #fed65b;
  --gold-deep:          #735c00;
  --gold-text:          #8a6d00;
  --gold-soft:          #fff6d8;

  /* Text */
  --on-surface:         #1b1c1c;
  --on-surface-var:     #3f4849;
  --outline:            #707979;
  --outline-var:        #bfc8c9;

  /* Fonts */
  --ff-head: 'Plus Jakarta Sans', 'Cairo', sans-serif;
  --ff-body: 'Be Vietnam Pro', 'Cairo', sans-serif;
  --ff-ar:   'Amiri', serif;

  /* Radii */
  --r-sm: 0.25rem;
  --r:    0.5rem;
  --r-md: 0.75rem;
  --r-lg: 1rem;
  --r-xl: 1.5rem;
  --r-2xl: 2rem;
  --r-full: 9999px;

  /* Layout */
  --container: 1200px;
  --gutter: 24px;
  --nav-h: 80px;

  --transition: 240ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Elevation (soft, ambient) */
  --shadow-soft: 0 4px 24px -8px rgba(0, 71, 75, 0.12);
  --shadow-card: 0 20px 40px -16px rgba(0, 71, 75, 0.18);
  --shadow-lift: 0 28px 56px -20px rgba(0, 71, 75, 0.28);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--ff-body);
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

::selection { background: rgba(0, 71, 75, 0.18); }

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--primary-2); border-radius: 10px; }

/* ─── Shared Layout ─── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}
.container--narrow { max-width: 760px; }

.section { padding: 96px 0; }

@media (min-width: 768px) {
  .section { padding: 120px 0; }
}

/* ─── Section heads ─── */
.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-text);
  margin-bottom: 14px;
}
.section-eyebrow--light { color: var(--gold); }

.section-title {
  font-family: var(--ff-head);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--primary);
}
.section-title--light { color: var(--white); }

.section-lead {
  margin-top: 18px;
  font-size: 1.05rem;
  color: var(--on-surface-var);
  line-height: 1.7;
}
.section-lead--light { color: rgba(255, 255, 255, 0.85); }

/* ─── Ornament divider ─── */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 18px 0;
}
.orn-line {
  height: 1px;
  width: 48px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.orn-line:last-child { background: linear-gradient(90deg, var(--gold), transparent); }
.orn-diamond {
  width: 7px; height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
  border-radius: 1px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  background: var(--primary);
  color: var(--on-primary);
  font-family: var(--ff-head);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--r);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow var(--transition), background var(--transition), opacity var(--transition);
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-2); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  background: transparent;
  color: var(--primary);
  font-family: var(--ff-head);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--primary);
  border-radius: var(--r);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform 150ms ease;
  white-space: nowrap;
}
.btn-secondary:hover { background: var(--primary); color: var(--on-primary); transform: translateY(-2px); }

/* ============================================================
   NAVBAR — glassmorphism-lite
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(252, 249, 248, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
.navbar.scrolled {
  border-bottom-color: rgba(191, 200, 201, 0.5);
  box-shadow: 0 4px 24px -12px rgba(0, 71, 75, 0.18);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; cursor: pointer; }
.nav-logo-img { object-fit: contain; flex-shrink: 0; }
.nav-logo-img--muassasa { height: 46px; width: auto; max-width: 120px; }
.nav-logo-divider { width: 1px; height: 34px; background: var(--outline-var); flex-shrink: 0; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.nav-logo-text .conf-name {
  font-family: var(--ff-head);
  font-size: 1rem; font-weight: 700; color: var(--primary); letter-spacing: -0.01em;
}
.nav-logo-text .org-name {
  font-size: 0.7rem; font-weight: 500; color: var(--on-surface-var); letter-spacing: 0.02em;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  font-family: var(--ff-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--on-surface-var);
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--primary); background: rgba(0, 71, 75, 0.06); }
.nav-links a.active { color: var(--primary); }

.nav-cta { flex-shrink: 0; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none; border: none; cursor: pointer;
  padding: 4px; border-radius: var(--r-sm);
  transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(0, 71, 75, 0.06); }
.nav-toggle span {
  display: block; height: 2px; width: 22px;
  background: var(--primary); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--outline-var);
  padding: 20px var(--gutter);
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  box-shadow: 0 12px 28px -12px rgba(0,0,0,0.2);
  animation: slideDown 220ms ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 16px;
  font-size: 0.95rem; font-weight: 600;
  color: var(--on-surface-var);
  border-radius: var(--r-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-mobile a:hover { background: rgba(0, 71, 75, 0.06); color: var(--primary); }
.nav-mobile .btn-primary { margin-top: 10px; width: 100%; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 80% 0%, #0a565b 0%, var(--primary) 45%, #00363a 100%);
  color: var(--white);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg-pattern {
  position: absolute; inset: 0;
  background-image: url('/hero-pattern.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  mix-blend-mode: luminosity;
}
.hero-bg-glow { position: absolute; border-radius: 50%; filter: blur(80px); }
.hero-bg-glow--gold {
  width: 460px; height: 460px;
  top: -120px; right: -80px;
  background: radial-gradient(circle, rgba(254, 214, 91, 0.22), transparent 70%);
}
.hero-bg-glow--teal {
  width: 520px; height: 520px;
  bottom: -160px; left: -120px;
  background: radial-gradient(circle, rgba(148, 209, 214, 0.18), transparent 70%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px var(--gutter) 72px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* Corner logos */
.hero-logos-bar {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.hero-logo { display: flex; flex-direction: column; align-items: center; gap: 10px; max-width: 40%; }
.hero-logo-chip {
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--r);
  padding: 10px 14px;
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-corner-logo { display: block; width: auto; }
.hero-corner-logo--conf { height: 66px; }
.hero-corner-logo--org { height: 58px; }
.hero-logo-label {
  font-family: var(--ff-ar);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.82);
  text-align: center;
}

/* Centered content */
.hero-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  max-width: 760px;
  width: 100%;
}
.hero-center .divider-line { margin-left: auto; margin-right: auto; }

.hero-guests {
  margin: 0;
  max-width: 380px;
  width: 100%;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface, #fff);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-soft);
}
.hero-guests-img { display: block; width: 100%; height: auto; }

.hero-center .hero-speakers-list { justify-content: center; }
.hero-center .hero-cta-row { justify-content: center; }

.countdown-card { max-width: 460px; width: 100%; }

/* Brand plate */
.brand-plate {
  display: flex;
  align-items: center;
  gap: 18px;
  width: fit-content;
  max-width: 100%;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--r-lg);
  padding: 14px 20px;
  box-shadow: var(--shadow-soft);
}
.brand-plate-logos { display: flex; align-items: center; gap: 14px; }
.brand-logo-conf { height: 58px; width: auto; flex-shrink: 0; }
.conf-logo-crop {
  height: 100%; width: auto; object-fit: contain; object-position: center;
}
.brand-logo-sep { width: 1px; height: 44px; background: var(--outline-var); }
.brand-logo-org { width: 58px; height: 58px; flex-shrink: 0; }
.org-logo-img { width: 100%; height: 100%; object-fit: contain; object-position: right center; }
.brand-plate-names { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.arabic-label-small { font-family: var(--ff-ar); font-size: 0.72rem; color: var(--gold-text); }
.arabic-title { font-family: var(--ff-ar); font-size: 1.4rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
.arabic-org-text { font-family: var(--ff-ar); font-size: 0.82rem; color: var(--on-surface-var); }

/* Badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  width: fit-content;
  background: var(--gold);
  color: var(--gold-deep);
  border-radius: var(--r-full);
  padding: 7px 16px;
  font-family: var(--ff-body);
  font-size: 0.76rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  box-shadow: 0 6px 18px -8px rgba(254, 214, 91, 0.7);
}
.hero-badge-dot { width: 7px; height: 7px; background: var(--gold-deep); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.45; transform: scale(1.5); } }

/* Headline */
.hero-title {
  font-family: var(--ff-head);
  font-size: clamp(2.4rem, 5.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}
.hero-title .org-accent {
  display: block;
  font-family: var(--ff-body);
  font-size: clamp(0.85rem, 1.8vw, 1rem);
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero-title .divider-line {
  display: block; width: 64px; height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(254, 214, 91, 0.2));
  border-radius: 2px; margin-top: 20px;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.7;
  max-width: 520px;
}

/* Meta cards */
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta-item {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--r-md);
  padding: 12px 16px;
}
.hero-meta-item .meta-icon {
  width: 36px; height: 36px;
  background: var(--gold);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero-meta-item .meta-icon svg { width: 18px; height: 18px; stroke: var(--gold-deep); fill: none; stroke-width: 2; }
.hero-meta-item .meta-label {
  font-size: 0.68rem; font-weight: 500; color: rgba(255,255,255,0.7);
  display: block; line-height: 1; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.05em;
}
.hero-meta-item .meta-value { font-family: var(--ff-head); font-size: 0.9rem; font-weight: 600; color: var(--white); line-height: 1.2; }

/* Speaker preview */
.hero-speakers-label {
  font-size: 0.72rem; font-weight: 700; color: rgba(255,255,255,0.7);
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px;
}
.hero-speakers-list { display: flex; flex-wrap: wrap; gap: 8px; }
.speaker-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--r-full);
  padding: 6px 14px 6px 6px;
  font-size: 0.82rem; font-weight: 500; color: var(--white);
}
.speaker-avatar {
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gold);
  color: var(--gold-deep);
  border-radius: 50%;
  font-family: var(--ff-head);
  font-size: 0.7rem; font-weight: 700;
  flex-shrink: 0;
}

.hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 4px; }
.hero-cta-row .btn-secondary { color: var(--white); border-color: rgba(255,255,255,0.5); }
.hero-cta-row .btn-secondary:hover { background: var(--white); color: var(--primary); border-color: var(--white); }

/* ─── Countdown Card ─── */
.countdown-card {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--r-2xl);
  padding: 36px 30px;
  box-shadow: var(--shadow-lift);
  color: var(--on-surface);
}
.countdown-label {
  text-align: center;
  font-family: var(--ff-head);
  font-size: 1.05rem; font-weight: 600; color: var(--primary);
}
.countdown-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 6px 0; }
.countdown-box {
  text-align: center;
  background: rgba(0, 71, 75, 0.05);
  border-radius: var(--r-md);
  padding: 14px 6px;
}
.countdown-num {
  display: block;
  font-family: var(--ff-head);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.countdown-unit {
  display: block; margin-top: 8px;
  font-size: 0.68rem; font-weight: 600; color: var(--gold-text);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.countdown-date-display { text-align: center; margin-top: 6px; }
.countdown-date-display .date-text {
  display: block; font-family: var(--ff-head); font-size: 1.05rem; font-weight: 700; color: var(--on-surface);
}
.countdown-date-display .date-sub { display: block; margin-top: 4px; font-size: 0.82rem; color: var(--on-surface-var); }
.countdown-cta { width: 100%; margin-top: 22px; padding: 14px; font-size: 0.95rem; }
.countdown-org {
  display: flex; align-items: center; gap: 12px;
  margin-top: 22px; padding-top: 20px;
  border-top: 1px solid var(--outline-var);
}
.countdown-org-logo { width: 42px; height: 42px; flex-shrink: 0; }
.card-org-logo { width: 100%; height: 100%; object-fit: contain; object-position: right center; }
.countdown-org-text { display: flex; flex-direction: column; }
.countdown-org-text .org-label { font-size: 0.68rem; color: var(--on-surface-var); text-transform: uppercase; letter-spacing: 0.05em; }
.countdown-org-text .org-val { font-family: var(--ff-head); font-size: 0.92rem; font-weight: 600; color: var(--primary); }

/* ============================================================
   ABOUT
   ============================================================ */
.section-about { background: var(--surface); }
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.about-media { position: relative; }
.about-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  background: var(--surface-cont);
}
.about-media-badge {
  position: absolute;
  bottom: -20px; right: -16px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--r-lg);
  padding: 18px 22px;
  box-shadow: var(--shadow-card);
  text-align: center;
}
.about-media-badge-num { display: block; font-family: var(--ff-head); font-size: 1.9rem; font-weight: 800; line-height: 1; }
.about-media-badge-label { display: block; margin-top: 6px; font-size: 0.72rem; color: var(--gold); letter-spacing: 0.04em; text-transform: uppercase; }

.about-body { display: flex; flex-direction: column; }
.about-body .section-eyebrow { text-align: left; }
.about-body .section-title { text-align: left; }
.about-body .section-lead { text-align: left; margin-top: 14px; font-weight: 500; color: var(--primary-2); }
.about-para { margin-top: 18px; font-size: 1rem; color: var(--on-surface-var); line-height: 1.75; }
.about-para--muted { color: var(--outline); font-size: 0.96rem; }

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 30px;
}
.about-feature { display: flex; gap: 14px; }
.feat-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--gold-soft);
  border: 1px solid rgba(254, 214, 91, 0.5);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.feat-icon svg { width: 22px; height: 22px; stroke: var(--gold-text); fill: none; stroke-width: 1.8; }
.feat-title { font-family: var(--ff-head); font-size: 0.98rem; font-weight: 600; color: var(--primary); margin-bottom: 2px; }
.feat-desc { font-size: 0.85rem; color: var(--on-surface-var); line-height: 1.5; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--outline-var);
}
.stat-box { text-align: left; }
.stat-num { display: block; font-family: var(--ff-head); font-size: 1.7rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { display: block; margin-top: 8px; font-size: 0.76rem; color: var(--on-surface-var); line-height: 1.3; }

/* ============================================================
   SCHEDULE — Vertical Timeline
   ============================================================ */
.section-schedule { background: var(--surface-low); }
.timeline { max-width: 760px; margin: 0 auto; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 8px; bottom: 8px;
  width: 2px;
  background: var(--primary);
  opacity: 0.25;
}
.timeline-item { position: relative; display: flex; gap: 24px; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-body { display: flex; gap: 20px; flex: 1; align-items: flex-start; }
.timeline-dot {
  position: relative;
  z-index: 1;
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary);
  border: 4px solid var(--surface-low);
  display: flex; align-items: center; justify-content: center;
}
.timeline-dot::after {
  content: '';
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--surface-low);
}
.timeline-card {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--outline-var);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}
.timeline-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.tl-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.tl-tag {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gold-text);
  background: var(--gold-soft);
  border-radius: var(--r-full);
  padding: 3px 12px;
}
.tl-time {
  font-family: var(--ff-head);
  font-size: 0.82rem; font-weight: 700; color: var(--primary-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.tl-title { font-family: var(--ff-head); font-size: 1.1rem; font-weight: 600; color: var(--primary); line-height: 1.3; }
.tl-speaker {
  display: flex; align-items: center; gap: 8px;
  margin-top: 10px;
  font-size: 0.85rem; color: var(--on-surface-var); font-weight: 500;
}
.tl-speaker svg { width: 16px; height: 16px; stroke: var(--gold-text); fill: none; stroke-width: 1.8; flex-shrink: 0; }

/* Milestone (opening / closing) — gold node */
.timeline-item:has(.timeline-card.is-milestone) .timeline-dot,
.timeline-item:first-child .timeline-dot {
  background: var(--gold);
}
.timeline-item:has(.timeline-card.is-milestone) .timeline-dot::after,
.timeline-item:first-child .timeline-dot::after {
  background: var(--white);
}
.timeline-card.is-milestone { border-color: rgba(254, 214, 91, 0.7); }
.timeline-card.is-milestone .tl-tag { color: var(--gold-deep); background: var(--gold); }

/* Break — softer node + muted card */
.timeline-card.is-break { background: var(--surface); border-style: dashed; box-shadow: none; }
.timeline-card.is-break .tl-tag { color: var(--on-surface-var); background: var(--surface-high); }
.timeline-card.is-break .tl-title { color: var(--on-surface-var); font-weight: 500; }

/* ============================================================
   SPEAKERS
   ============================================================ */
.section-speakers { background: var(--surface); }
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}
.speaker-card {
  background: var(--white);
  border: 1px solid var(--outline-var);
  border-radius: var(--r-xl);
  padding: 28px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.speaker-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.speaker-photo {
  width: 110px; height: 110px;
  border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-head);
  font-size: 1.8rem; font-weight: 700;
  margin-bottom: 18px;
  box-shadow: 0 12px 28px -12px rgba(0, 71, 75, 0.4);
}
.speaker-name { font-family: var(--ff-head); font-size: 1.2rem; font-weight: 600; color: var(--on-surface); }
.speaker-role {
  font-family: var(--ff-body);
  font-size: 0.82rem; font-weight: 600; color: var(--gold-text);
  letter-spacing: 0.03em; margin-top: 6px;
}
.speaker-org { font-size: 0.8rem; color: var(--outline); margin-top: 2px; }
.speaker-bio { font-size: 0.86rem; color: var(--on-surface-var); line-height: 1.6; margin-top: 14px; }
.speaker-lecture {
  margin-top: 16px;
  width: 100%;
  background: var(--surface-low);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font-size: 0.85rem; font-weight: 500; color: var(--primary);
}
.speaker-lecture span {
  display: block;
  font-size: 0.66rem; font-weight: 700; color: var(--gold-text);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px;
}

/* ============================================================
   LOCATION — teal section
   ============================================================ */
.section-location { background: var(--primary); color: var(--white); }
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.location-info { display: flex; flex-direction: column; gap: 16px; }
.location-info .section-eyebrow { text-align: left; }
.location-info .section-title { text-align: left; }
.location-info .section-lead { text-align: left; margin-bottom: 8px; }
.loc-card {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-lg);
  padding: 16px 20px;
}
.loc-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--gold);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.loc-icon svg { width: 22px; height: 22px; stroke: var(--gold-deep); fill: none; stroke-width: 1.8; }
.loc-card-text { display: flex; flex-direction: column; }
.loc-card-label { font-size: 0.72rem; color: var(--gold); text-transform: uppercase; letter-spacing: 0.05em; }
.loc-card-value { font-family: var(--ff-head); font-size: 1rem; font-weight: 600; color: var(--white); margin-top: 3px; }

.loc-directions { margin-top: 8px; }
.loc-directions-title { font-family: var(--ff-head); font-size: 1.05rem; font-weight: 600; color: var(--white); margin-bottom: 14px; }
.loc-directions-list { display: flex; flex-direction: column; gap: 12px; }
.loc-direction { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; color: rgba(255,255,255,0.88); line-height: 1.5; }
.loc-direction-dot { width: 8px; height: 8px; background: var(--gold); border-radius: 50%; margin-top: 7px; flex-shrink: 0; }

.location-map {
  height: 460px;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.location-map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ============================================================
   FAQ — borderless accordion with gold dividers
   ============================================================ */
.section-faq { background: var(--surface); }
.faq-list { border-top: 1px solid rgba(254, 214, 91, 0.5); }
.faq-item { border-bottom: 1px solid rgba(254, 214, 91, 0.5); }
.faq-question {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: none; border: none; cursor: pointer;
  padding: 24px 4px;
  text-align: left;
  font-family: var(--ff-head);
  font-size: 1.08rem; font-weight: 600; color: var(--on-surface);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-q-text { flex: 1; line-height: 1.4; }
.faq-icon {
  width: 30px; height: 30px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  transition: transform var(--transition), color var(--transition);
}
.faq-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--gold-text); }
.faq-item.open .faq-question { color: var(--primary); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
}
.faq-item.open .faq-answer { max-height: 400px; padding-bottom: 24px; }
.faq-answer p { font-size: 0.98rem; color: var(--on-surface-var); line-height: 1.7; padding-right: 50px; }

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact { background: var(--surface-high); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.contact-methods { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex; align-items: center; gap: 18px;
  background: var(--white);
  border: 1px solid var(--outline-var);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover { transform: translateX(4px); box-shadow: var(--shadow-soft); }
.contact-card-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.contact-card-icon svg { width: 24px; height: 24px; stroke: var(--white); fill: none; stroke-width: 1.8; }
.contact-card-text { display: flex; flex-direction: column; }
.contact-card-label { font-size: 0.72rem; color: var(--gold-text); text-transform: uppercase; letter-spacing: 0.05em; }
.contact-card-value { font-family: var(--ff-head); font-size: 1.02rem; font-weight: 600; color: var(--on-surface); margin-top: 3px; }

.contact-rules {
  background: var(--white);
  border: 1px solid var(--outline-var);
  border-top: 3px solid var(--gold);
  border-radius: var(--r-lg);
  padding: 28px 26px;
}
.contact-rules-title { font-family: var(--ff-head); font-size: 1.15rem; font-weight: 600; color: var(--primary); margin-bottom: 18px; }
.rules-list { display: flex; flex-direction: column; gap: 14px; }
.rule-item { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; color: var(--on-surface-var); line-height: 1.5; }
.rule-check {
  width: 24px; height: 24px; flex-shrink: 0;
  background: var(--gold-soft);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}
.rule-check svg { width: 14px; height: 14px; stroke: var(--gold-text); fill: none; stroke-width: 2.5; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--primary); color: rgba(255, 255, 255, 0.8); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-top: 72px;
  padding-bottom: 56px;
}
.footer-brand { max-width: 360px; }
.footer-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.footer-logo-img { height: 48px; width: auto; max-width: 110px; object-fit: contain; background: var(--white); border-radius: var(--r); padding: 6px 8px; }
.footer-logo-text { display: flex; flex-direction: column; }
.footer-conf { font-family: var(--ff-head); font-size: 1.05rem; font-weight: 700; color: var(--white); }
.footer-org { font-size: 0.78rem; color: rgba(255,255,255,0.7); }
.footer-tagline { font-size: 0.92rem; line-height: 1.7; margin-bottom: 22px; }
.footer-social-title { font-family: var(--ff-head); font-size: 0.85rem; font-weight: 600; color: var(--white); margin-bottom: 12px; }
.footer-social { display: flex; gap: 10px; }
.footer-social-link {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-md);
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}
.footer-social-link:hover { background: var(--gold); border-color: var(--gold); transform: translateY(-2px); }
.footer-social-link svg { width: 18px; height: 18px; stroke: var(--white); fill: none; stroke-width: 1.8; }
.footer-social-link:hover svg { stroke: var(--gold-deep); }

.footer-col-title { font-family: var(--ff-head); font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 18px; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-size: 0.9rem; color: rgba(255,255,255,0.78); transition: color var(--transition); }
.footer-nav a:hover { color: var(--gold); }

.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-link { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.78); transition: color var(--transition); }
.footer-contact-link:hover { color: var(--gold); }
.footer-contact-icon { width: 18px; height: 18px; flex-shrink: 0; display: flex; align-items: center; }
.footer-contact-icon svg { width: 18px; height: 18px; stroke: var(--gold); fill: none; stroke-width: 1.8; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 24px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: center; }
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.6); text-align: center; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 600ms ease, transform 600ms cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

.fade-up { animation: fadeUp 700ms cubic-bezier(0.22, 1, 0.36, 1) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-aside { max-width: 460px; width: 100%; margin: 0 auto; }
  .countdown-card { max-width: 460px; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-media { max-width: 420px; }
  .location-grid { grid-template-columns: 1fr; gap: 40px; }
  .location-info .section-title, .location-info .section-eyebrow, .location-info .section-lead { text-align: left; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; max-width: none; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero-inner { padding: 40px var(--gutter) 64px; }
  .brand-plate { flex-direction: column; align-items: flex-end; gap: 14px; padding: 16px 18px; }
  .about-features { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .about-media-badge { right: 12px; bottom: -16px; padding: 14px 18px; }
  .countdown-grid { gap: 8px; }
  .countdown-box { padding: 12px 4px; }
  .speakers-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; padding-top: 56px; }
  .timeline-item { gap: 16px; }
  .faq-answer p { padding-right: 0; }
}