/* ── DESIGN TOKENS ─────────────────────────── */
:root {
  --ground:      #FBF5EC;
  --ground-alt:  #F2EAD8;
  --text:        #0D1A3E;
  --muted:       #445070;
  --accent:      #C88C18;
  --amber:       #E8902A;
  --amber-lt:    #F5B850;
  --navy:        #0D1A3E;
  --navy-mid:    #1E2F5A;
  --white:       #FFFFFF;
  --gold:        #C88C18;
  --gold-pale:   rgba(200, 140, 24, 0.13);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-ui:      'Inter', Arial, Helvetica, sans-serif;
  --nav-h:       60px;
}

/* ── RESET ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  font-family: var(--font-ui);
  color: var(--text);
  background: var(--ground);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ── UTILITIES ─────────────────────────────── */
.wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
  display: block;
}

.sh {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.rule {
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 2rem;
}

/* ── NAVIGATION ────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(5, 12, 35, 0.08);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  display: flex;
  align-items: center;
  transition: background 0.4s ease, border-color 0.4s ease,
              backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#nav.scrolled {
  background: rgba(13, 26, 62, 0.96);
  border-bottom: 1px solid rgba(200, 140, 24, 0.28);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 32px rgba(0, 0, 0, 0.38);
}

.nav-i {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-logos {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-logos img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
  background: rgba(255, 255, 255, 0.93);
  padding: 5px 8px;
  border-radius: 4px;
}

.nav-sep {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #fff;
  text-decoration: none;
  line-height: 1;
}

.nav-logo span {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.57rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 3px;
}

.nav-menu {
  display: flex;
  gap: 0;
  list-style: none;
}

.nav-menu a {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  padding: 0 0.9rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-menu a:hover,
.nav-menu a:focus,
.nav-menu a.active {
  color: #F5B850;
  border-bottom-color: #F5B850;
  outline: none;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  transition: transform 0.2s, opacity 0.2s;
}

.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); }

/* ── HERO ──────────────────────────────────── */
#hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  background: linear-gradient(285deg, rgba(5,12,35,0.72) 0%, rgba(5,12,35,0.46) 48%, rgba(5,12,35,0.14) 100%),
              url('../assets/hero-bg.jpg') center center / cover no-repeat;
  padding-top: var(--nav-h);
}

.hero-ghost {
  display: none;
}

.hero-body {
  position: relative;
  z-index: 2;
  padding: 0 2rem clamp(4rem, 10vw, 7rem);
  max-width: 860px;
  width: 100%;
  text-align: right;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5.8rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 24px rgba(5,12,35,0.5);
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.hero-year {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 700;
  color: #F5B850;
  line-height: 1;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 28px rgba(5,12,35,0.55);
}

.hero-det {
  border-right: 3px solid #F5B850;
  padding-right: 1.25rem;
  text-align: right;
}

.hero-det .venue {
  font-family: var(--font-ui);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #ffffff;
}

.hero-det .dt {
  font-family: var(--font-display);
  font-size: clamp(0.82rem, 1.8vw, 0.98rem);
  font-style: italic;
  color: rgba(255,255,255,0.78);
  margin-top: 0.3rem;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hero-org-credit {
  position: absolute;
  bottom: 3.5rem;
  right: 2rem;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.45rem;
}

/* ── Glitter logo ───────────────────────────── */
.glitter-logo { display: block; object-fit: contain; }

.glitter-logo--hero  { height: clamp(3.25rem, 5.5vw, 5.5rem); opacity: 0.9; }

.host-glitter {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.host-glitter-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.6rem;
}
.glitter-logo--about { height: clamp(2.75rem, 4.5vw, 4.5rem); opacity: 0.9; }

.foot-glitter {
  display: flex;
  justify-content: center;
  flex: 1;
}
.glitter-logo--footer { height: clamp(2rem, 3vw, 3rem); opacity: 0.8; }

/* ── BUTTONS ───────────────────────────────── */
.btn {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 1.75rem;
  display: inline-block;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, color 0.15s;
  border: none;
  cursor: pointer;
}

.btn:focus { outline: 2px solid var(--gold); outline-offset: 2px; }

.btn-dark { background: #F5B850; color: #0D1A3E; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(245,184,80,0.45); background: #f8c96a; }

.btn-ghost { background: transparent; color: #ffffff; border: 2px solid rgba(255,255,255,0.65); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #ffffff; }

/* ── STATS STRIP ───────────────────────────── */
.stats-strip {
  background: var(--navy);
  padding: 2.5rem 0;
  border-bottom: 2px solid var(--gold);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  text-align: center;
  padding: 0 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item:last-child { border-right: none; }

.stat-n {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.stat-l {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0.4rem;
}

/* ── SECTIONS ──────────────────────────────── */
.sec { padding: 5.5rem 0; }
.sec--alt {
  background: var(--ground-alt);
  border-top: 1px solid rgba(13, 26, 62, 0.06);
  border-bottom: 1px solid rgba(13, 26, 62, 0.06);
}
.sec--dark { background: var(--navy); }
.sec--dark .sh { color: #fff; }
.sec--dark .eyebrow { color: var(--gold); }
.sec--dark .rule { background: var(--gold); }

/* ── ABOUT ─────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-size: 1rem;
  color: #1E2B4A;
  line-height: 1.85;
  margin-bottom: 1.2rem;
}

.about-text p:last-child { margin-bottom: 0; }

.focus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 2rem;
}

.focus-item {
  background: var(--ground);
  border-left: 3px solid var(--gold);
  padding: 0.9rem 1rem;
  font-family: var(--font-ui);
  font-size: 0.77rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy);
  line-height: 1.3;
}

.host-block {
  margin-top: 2rem;
  background: var(--navy);
  padding: 1.5rem;
}

.host-block p {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
}

.host-block strong {
  color: var(--gold);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.4rem;
}

/* ── TABS ──────────────────────────────────── */
/* Outer scroll container — constrained to parent width */
.tabs-scroll {
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-bottom: 3rem;
}
.tabs-scroll::-webkit-scrollbar { display: none; }

/* Inner pill strip — sizes to its buttons, never wraps */
.tabs {
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.35rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 10px rgba(13, 26, 62, 0.1);
  white-space: nowrap;
  border-bottom: none;
  margin-bottom: 0;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: none;
  margin-bottom: 0;
  padding: 0.6rem 1.4rem;
  border-radius: 7px;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.tab-btn:hover { background: rgba(13, 26, 62, 0.06); color: var(--navy); }
.tab-btn.active { background: var(--navy); color: #fff; border-bottom: none; }
.tab-btn:focus { outline: 2px solid var(--gold); outline-offset: 2px; }

.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
}
.tab-panel.active {
  display: block;
  animation: tabFadeIn 0.3s ease forwards;
}

@keyframes tabFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ── PERSON CARDS ──────────────────────────── */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 170px), 1fr));
  gap: 1.5rem;
}

.pcard {
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(13, 26, 62, 0.07);
  border-top: 3px solid transparent;
  box-shadow: 0 2px 12px rgba(13, 26, 62, 0.06);
  display: flex;
  flex-direction: column;
  padding-top: 1.75rem;
  overflow: hidden;
  transition: box-shadow 0.22s, transform 0.22s, border-top-color 0.22s;
}

.pcard:hover {
  border-top-color: var(--gold);
  box-shadow: 0 10px 32px rgba(13, 26, 62, 0.14);
  transform: translateY(-4px);
}

.pcard--chair {
  background: linear-gradient(155deg, #0D1A3E 0%, #162550 100%);
  border-color: rgba(200, 140, 24, 0.22);
  border-top: 3px solid var(--gold);
}
.pcard--chair:hover {
  box-shadow: 0 10px 36px rgba(13, 26, 62, 0.35);
}
.pcard--chair .pcard-photo { border-color: rgba(200, 140, 24, 0.5); }
.pcard--chair:hover .pcard-photo { border-color: var(--gold); }

/* ── LEADERSHIP STRIP ──────────────────────── */
.leadership-strip {
  background: var(--navy);
  padding: 3.5rem 0;
  border-top: 1px solid rgba(200, 140, 24, 0.18);
  border-bottom: 1px solid rgba(200, 140, 24, 0.18);
}

.ls-eyebrow {
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2.25rem;
}

.leaders-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.leader-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}

.leader-photo {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 3px solid rgba(200, 140, 24, 0.45);
  display: block;
  margin-bottom: 1.1rem;
  transition: border-color 0.2s;
}

.leader-card:hover .leader-photo {
  border-color: var(--gold);
}

.leader-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.leader-role {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
}

.ls-divider {
  width: 1px;
  height: 120px;
  background: rgba(200, 140, 24, 0.25);
  flex-shrink: 0;
}

/* Circular portrait photo */
.pcard-photo {
  width: 76%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: top center;
  display: block;
  border-radius: 50%;
  margin: 0 auto;
  border: 3px solid rgba(13, 26, 62, 0.1);
  transition: border-color 0.22s;
}

.pcard:hover .pcard-photo { border-color: rgba(200, 140, 24, 0.6); }

/* Info area below photo (or standalone when no photo) */
.pcard-info {
  padding: 1rem 0.9rem 1.35rem;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

/* Avatar initials (fallback when no photo) */
.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gold-pale);
  border: 2px solid rgba(200, 140, 24, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.pcard--chair .avatar { background: rgba(200, 140, 24, 0.18); border-color: rgba(200,140,24,0.5); }

.pname {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
}

.pcard--chair .pname { color: #fff; }

.prole {
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 0.1rem;
}

.pcard:not(.pcard--chair) .prole { color: var(--muted); }

/* Big flag for international faculty */
.pflag {
  font-size: 2.8rem;
  line-height: 1;
  display: block;
  margin-bottom: 0.6rem;
}

.pcountry {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(13, 26, 62, 0.07);
  border-radius: 100px;
  padding: 0.2rem 0.65rem;
  margin-top: 0.15rem;
}

/* ── NATIONAL FACULTY PHOTO GRID ───────────── */
.fac-pgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}

.pcard--mini {
  padding-top: 1rem;
  border-radius: 12px;
}

.pcard--mini .pcard-photo {
  width: 64%;
}

.pcard--mini .pcard-info {
  padding: 0.6rem 0.5rem 0.9rem;
  gap: 0.2rem;
}

.pcard--mini .pname {
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.3;
}

.pcard--mini .avatar {
  width: 48px;
  height: 48px;
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}

/* ── SESSIONS ──────────────────────────────── */
.sess-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.sess-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(200, 140, 24, 0.2);
  padding: 1.75rem;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}

.sess-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}

.sess-card:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(200, 140, 24, 0.5); }
.sess-card:hover::before { transform: scaleX(1); }

.sess-tag {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.sess-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-style: italic;
  color: #fff;
  line-height: 1.55;
}

/* ── SPONSORSHIP ───────────────────────────── */
.sponsor-intro {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: #3A4460;
  max-width: 700px;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.benefit { display: flex; gap: 1rem; align-items: flex-start; }

.ben-icon {
  width: 48px;
  height: 48px;
  background: var(--gold-pale);
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ben-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--gold);
}

.benefit h4 {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.benefit p { font-family: var(--font-ui); font-size: 0.85rem; color: #4A5470; line-height: 1.65; }

/* ── FORMS ─────────────────────────────────── */
.form-box {
  background: #fff;
  padding: 2.5rem;
}

.form-title {
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy);
  margin-bottom: 1.5rem;
}

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.field { margin-bottom: 1rem; }

.field label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-mid);
  margin-bottom: 0.4rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid #D8D0C0;
  background: var(--ground);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  border-radius: 0;
}

.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--gold); background: #fff; }

.field textarea { resize: vertical; min-height: 96px; }

.form-ok {
  display: none;
  background: var(--gold-pale);
  border: 1px solid var(--gold);
  padding: 1rem 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--navy);
  margin-top: 1rem;
}

/* ── AGENDA ────────────────────────────────── */
.agenda-cs {
  text-align: center;
  padding: 6rem 2rem;
  background: #fff;
}

.cs-ico { margin-bottom: 1.5rem; }
.cs-ico svg { width: 64px; height: 64px; stroke: var(--navy); opacity: 0.2; display: block; margin: 0 auto; }

.agenda-cs h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.agenda-cs p {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--muted);
}

/* ── CONTACT ───────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.c-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.75rem;
}

.c-icon {
  width: 44px;
  height: 44px;
  background: rgba(200, 140, 24, 0.12);
  border: 1px solid rgba(200, 140, 24, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.c-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--gold);
}

.c-item h4 {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}

.c-item a,
.c-item p {
  font-family: var(--font-display);
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  line-height: 1.6;
}

.c-item a:hover { color: var(--gold); }

/* Dark section form overrides */
.sec--dark .form-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(200, 140, 24, 0.2);
}

.sec--dark .form-title { color: #fff; }
.sec--dark .field label { color: rgba(255, 255, 255, 0.78); }

.sec--dark .field input,
.sec--dark .field select,
.sec--dark .field textarea {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.sec--dark .field input::placeholder,
.sec--dark .field textarea::placeholder { color: rgba(255, 255, 255, 0.48); }

/* ── REGISTRATION CTA ──────────────────────── */
.reg-cta {
  background: #fff;
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.reg-cta-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: #1E2B4A;
  line-height: 1.8;
  flex: 1;
  min-width: 0;
}

.reg-btn {
  font-size: 0.82rem;
  padding: 1rem 2.5rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── FOOTER ────────────────────────────────── */
footer {
  background: #060D1C;
  padding: 2rem 0;
  border-top: 1px solid rgba(200, 140, 24, 0.2);
}

.foot-i {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.foot-brand {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.72);
  flex: 1;
}

.foot-brand strong { color: var(--gold); }

.foot-r {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.08em;
  text-align: right;
  line-height: 1.7;
  flex: 1;
}

.foot-r a { color: rgba(255, 255, 255, 0.72); text-decoration: none; }
.foot-r a:hover { color: var(--gold); }

/* ── RESPONSIVE ────────────────────────────── */
/* ── TABLET (≤ 980px) ───────────────────────── */
@media (max-width: 980px) {
  /* Nav */
  .nav-logos { display: none; }
  .nav-sep   { display: none; }
  .nav-menu  { display: none; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(13, 26, 62, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.75rem 0 1rem;
    border-bottom: 1px solid rgba(200, 140, 24, 0.2);
  }
  .nav-menu.open a {
    height: auto;
    padding: 0.85rem 1.5rem;
    border-bottom: none;
    border-left: 3px solid transparent;
  }
  .nav-menu.open a:hover,
  .nav-menu.open a.active {
    border-left-color: #F5B850;
    background: rgba(255, 255, 255, 0.04);
  }
  .nav-toggle { display: flex; }

  /* Sections */
  .sec { padding: 4rem 0; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .row2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .people-grid { grid-template-columns: repeat(3, 1fr); }

  /* Forms */
  .form-box { padding: 2rem; }
  .reg-cta  { padding: 2rem; gap: 1.75rem; }

  /* Footer */
  .foot-r { text-align: left; }
}

/* ── MOBILE (≤ 560px) ───────────────────────── */
@media (max-width: 560px) {
  /* Base spacing */
  .sec  { padding: 3rem 0; }
  .wrap { padding: 0 1.25rem; }

  /* Hero */
  .hero-body {
    padding: 0 1.25rem 5rem;
    max-width: 100%;
  }
  .hero-title { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-year  { font-size: clamp(3rem, 12vw, 4rem); }
  .hero-meta  { flex-direction: column; align-items: flex-end; gap: 1rem; }
  .hero-det   {
    border-right: none;
    border-top: 2px solid #F5B850;
    padding-right: 0;
    padding-top: 0.85rem;
  }
  .hero-btns  { flex-direction: column; }
  .hero-btns .btn { width: 100%; text-align: center; }
  .hero-org-credit { right: 1.25rem; }

  /* Committees — 2×2 grid instead of horizontal scroll */
  .people-grid { grid-template-columns: 1fr 1fr; }
  .tabs-scroll { overflow-x: visible; margin-bottom: 2rem; }
  .tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    white-space: normal;
  }
  .tab-btn {
    padding: 0.65rem 0.5rem;
    font-size: 0.6rem;
    letter-spacing: 0.06em;
    text-align: center;
    white-space: normal;
    line-height: 1.3;
  }

  /* Sessions */
  .sess-grid { grid-template-columns: 1fr; }
  .sess-card { padding: 1.25rem; }

  /* Sponsorship */
  .benefits-grid { gap: 1.25rem; }

  /* Forms */
  .form-box { padding: 1.5rem; }
  .reg-cta  { padding: 1.5rem; flex-direction: column; align-items: stretch; }
  .reg-cta-text { font-size: 0.95rem; }
  .reg-btn  { width: 100%; text-align: center; white-space: normal; }

  /* Stats */
  .stats-grid { gap: 0; }
  .stat-item  { padding: 1rem 0.75rem; }
  .stat-n     { font-size: 2.4rem; }
  .stat-l     { font-size: 0.62rem; }

  /* Leadership */
  .ls-divider  { display: none; }
  .leaders-row { gap: 2rem; }

  /* Footer */
  .foot-r { text-align: left; }

  /* Flags */
  .pflag { font-size: 2.2rem; }
}

/* ── SHORT VIEWPORTS (HD laptops, 1366×768 and below) ── */
@media (max-height: 820px) {
  .hero-title  { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 1.25rem; }
  .hero-year   { font-size: clamp(2.6rem, 6vw, 4rem); }
  .hero-meta   { margin-bottom: 1.25rem; }
  .hero-body   { padding-bottom: 9rem; }
  .hero-org-credit { bottom: 2rem; }
  .glitter-logo--hero { height: clamp(2.75rem, 4.5vw, 4rem); }
}

/* ── ANIMATIONS ─────────────────────────────── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Hero entrance — staggered */
.hero-title    { animation: heroFadeUp 0.9s cubic-bezier(0.22,1,0.36,1) both 0.2s; }
.hero-meta     { animation: heroFadeUp 0.9s cubic-bezier(0.22,1,0.36,1) both 0.42s; }
.hero-btns     { animation: heroFadeUp 0.9s cubic-bezier(0.22,1,0.36,1) both 0.62s; }
.hero-org-credit { animation: heroFadeIn 1s ease both 1.1s; }

/* Scroll-reveal base state */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1),
              transform 0.7s cubic-bezier(0.22,1,0.36,1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger siblings via data-delay */
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }
.reveal[data-delay="5"] { transition-delay: 0.5s; }
.reveal[data-delay="6"] { transition-delay: 0.6s; }
.reveal[data-delay="7"] { transition-delay: 0.7s; }
.reveal[data-delay="8"] { transition-delay: 0.8s; }

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