/* Karachi Youth Summit 2026 — Advanced Event Theme */
:root {
  --ink: #0C2032;
  --navy: #123A63;
  --blue: #2E6DB4;
  --green: #5FA83D;
  --green-bright: #7ED957;
  --teal: #158C7B;
  --paper: #F6F8F4;
  --paper-dim: #EAF0E6;
  --white: #ffffff;
  --muted: #5a6d7e;
  --line: rgba(12, 32, 50, 0.12);
  --glass: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(12, 32, 50, 0.18);
  --radius: 22px;
  --max: 1180px;
  --font: "Inter", system-ui, sans-serif;
  --display: "Space Grotesk", var(--font);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}
body[data-page="about"],
body[data-page="agenda"],
body[data-page="venue"],
body[data-page="competitions"] {
  background: var(--ink);
  color: #fff;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* NAV */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: .35s ease;
}
.nav.is-scrolled .nav-inner {
  background: rgba(246, 248, 244, 0.9);
  backdrop-filter: blur(18px);
  border-color: var(--line);
  box-shadow: 0 10px 40px rgba(12,32,50,.1);
}
.nav-inner {
  width: min(100% - 1.25rem, 1120px);
  margin: .85rem auto 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(12, 32, 50, 0.12);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(12, 32, 50, 0.12);
}
.brand { display: flex; align-items: center; gap: .75rem; font-family: var(--display); font-weight: 700; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand small { display: block; font-size: .68rem; font-weight: 600; color: var(--muted); letter-spacing: .04em; }
.nav-links { display: flex; gap: 1.1rem; align-items: center; }
.nav-links a { font-size: .92rem; font-weight: 600; color: var(--ink); opacity: .85; }
.nav-links a:hover, .nav-links a.is-active { opacity: 1; color: var(--teal); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  border: none; cursor: pointer; border-radius: 999px;
  padding: .9rem 1.35rem; font-weight: 700; transition: .25s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--green), var(--teal)); color: #fff; box-shadow: 0 10px 30px rgba(95,168,61,.35); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-ghost { background: transparent; border: 1.5px solid rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-dark { background: var(--ink); color: #fff; }
.nav-cta { padding: .65rem 1.1rem; font-size: .88rem; }
.menu-toggle { display: none; border: 0; background: transparent; font-size: 1.4rem; }

/* HERO */
.hero {
  position: relative; min-height: 100vh; display: grid; place-items: center;
  color: #fff; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(95,168,61,.45), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 15%, rgba(46,109,180,.5), transparent 50%),
    radial-gradient(ellipse 60% 50% at 70% 90%, rgba(21,140,123,.4), transparent 55%),
    linear-gradient(160deg, #071620 0%, #0C2032 40%, #123A63 100%);
}
.hero-bg {
  position: absolute; inset: 0; opacity: .35;
  background: url("../images/kv-hero.jpg") center/cover no-repeat;
  mix-blend-mode: soft-light;
}
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(40px); opacity: .55; animation: float 10s ease-in-out infinite;
}
.hero-orb.a { width: 280px; height: 280px; background: var(--green); top: 12%; left: -60px; }
.hero-orb.b { width: 340px; height: 340px; background: var(--blue); bottom: 5%; right: -80px; animation-delay: -3s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-24px)} }

.hero-content { position: relative; z-index: 2; padding: 8rem 0 5rem; text-align: left; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .85rem; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--green-bright); margin-bottom: 1.25rem;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green-bright); box-shadow: 0 0 0 0 rgba(126,217,87,.7); animation: pulse 1.8s infinite; }
@keyframes pulse { 70%{box-shadow:0 0 0 12px transparent} 100%{box-shadow:0 0 0 0 transparent} }

.hero h1 {
  font-family: var(--display); font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05; margin: 0 0 1rem; max-width: 14ch; letter-spacing: -0.03em;
}
.hero-lead { font-size: 1.1rem; line-height: 1.65; max-width: 52ch; color: rgba(255,255,255,.86); margin: 0 0 1.75rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.75rem; }
.chip {
  padding: .85rem 1rem; border-radius: 16px; min-width: 140px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(8px);
}
.chip span { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--green-bright); font-weight: 700; }
.chip strong { font-size: 1.02rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }

.countdown {
  display: grid; grid-template-columns: repeat(4, minmax(70px, 1fr));
  gap: .65rem; max-width: 420px;
}
.count-box {
  text-align: center; padding: .9rem .5rem; border-radius: 16px;
  background: rgba(0,0,0,.25); border: 1px solid rgba(255,255,255,.12);
}
.count-box b { display: block; font-family: var(--display); font-size: 1.6rem; }
.count-box span { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; opacity: .75; }

/* SECTIONS */
section { padding: 5.5rem 0; }
.section-head { margin-bottom: 2.25rem; max-width: 640px; }
.section-kicker { color: var(--teal); font-weight: 800; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: .6rem; }
.section-head h2 { font-family: var(--display); font-size: clamp(1.8rem, 3.5vw, 2.7rem); margin: 0 0 .75rem; letter-spacing: -.02em; line-height: 1.15; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; line-height: 1.65; }

.stats {
  margin-top: -3.5rem; position: relative; z-index: 5; padding: 0 0 2rem;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  background: #fff; border-radius: 28px; padding: 1.5rem;
  box-shadow: var(--shadow); border: 1px solid var(--line);
}
.stat { text-align: center; padding: 1rem; }
.stat b { display: block; font-family: var(--display); font-size: 2rem; color: var(--navy); }
.stat span { color: var(--muted); font-size: .9rem; }

/* ABOUT */
.about { background: linear-gradient(180deg, var(--paper), #fff); }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center; }
.about-card {
  background: #fff; border-radius: var(--radius); padding: 1.5rem;
  border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(12,32,50,.06);
}
.about-mosaic { display: grid; grid-template-columns: 1.2fr .8fr; gap: .75rem; }
.about-mosaic img { width: 100%; height: 100%; object-fit: cover; border-radius: 18px; min-height: 160px; }
.about-mosaic .tall { grid-row: span 2; min-height: 340px; }
.pill-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.pill { padding: .45rem .8rem; border-radius: 999px; background: var(--paper-dim); font-size: .82rem; font-weight: 700; color: var(--navy); }

/* COMPETITIONS BENTO */
.competitions { background: var(--ink); color: #fff; }
.competitions .section-kicker { color: var(--green-bright); }
.competitions .section-head p { color: rgba(255,255,255,.72); }
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.comp-card {
  position: relative; overflow: hidden;
  border-radius: 22px; padding: 1.4rem;
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.12);
  min-height: 210px; transition: .35s ease;
  display: flex; flex-direction: column;
}
.comp-thumb {
  width: 100%; height: 120px; object-fit: cover; border-radius: 14px;
  margin: 0 0 .85rem; border: 1px solid rgba(255,255,255,.12);
}
.comp-card::before {
  content: ""; position: absolute; inset: auto -20% -40% auto; width: 160px; height: 160px;
  border-radius: 50%; background: var(--accent, var(--green)); opacity: .18; filter: blur(10px);
}
.comp-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,.28); box-shadow: 0 20px 40px rgba(0,0,0,.25); }
.comp-code { font-family: "JetBrains Mono", monospace; font-size: .75rem; color: var(--green-bright); margin-bottom: .55rem; }
.comp-card h3 { margin: 0 0 .55rem; font-family: var(--display); font-size: 1.35rem; }
.comp-card p { margin: 0 0 1rem; color: rgba(255,255,255,.75); font-size: .92rem; line-height: 1.5; }
.comp-meta { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: auto; }
.tag { font-size: .72rem; font-weight: 700; padding: .35rem .65rem; border-radius: 999px; background: rgba(255,255,255,.1); }

/* REGISTER */
.register { background: linear-gradient(135deg, #EAF7E4, #E7F3F1 50%, #EAF0F8); }
.register-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-card, .info-card {
  background: #fff; border-radius: 26px; padding: 1.75rem;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.form-card h3, .info-card h3 { font-family: var(--display); margin: 0 0 .5rem; }
.form-card p, .info-card p { color: var(--muted); margin: 0 0 1.25rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 700; font-size: .85rem; margin-bottom: .4rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: .9rem 1rem; border-radius: 14px;
  border: 1.5px solid var(--line); background: #fff; outline: none;
}
.field input:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(21,140,123,.12); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.field-note, .field-hint { font-size: .8rem; color: var(--muted); margin: .35rem 0 0; font-weight: 500; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: .55rem; }
.chip-check {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem .9rem; border-radius: 999px; border: 1.5px solid var(--line);
  cursor: pointer; font-weight: 700; font-size: .88rem; background: #fff;
}
.chip-check:has(input:checked) { border-color: var(--teal); background: rgba(21,140,123,.08); color: var(--teal); }
.chip-check input { accent-color: var(--teal); }
.member-card {
  border: 1px solid var(--line); border-radius: 16px; padding: 1rem; margin-top: .75rem; background: var(--paper);
}
.member-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .75rem; }
.member-remove {
  border: 0; background: transparent; color: #b42318; font-weight: 700; cursor: pointer;
}
.rule-list { list-style: none; padding: 0; margin: 0 0 1.25rem; }
.rule-list li {
  position: relative; padding: .85rem .85rem .85rem 3.1rem;
  border-bottom: 1px solid var(--line); color: var(--muted); line-height: 1.55;
}
.rule-list li::before {
  content: attr(data-n); position: absolute; left: 0; top: .85rem;
  width: 2.2rem; height: 2.2rem; border-radius: 10px;
  display: grid; place-items: center; font-size: .72rem; font-weight: 800;
  background: rgba(21,140,123,.12); color: var(--teal); font-family: "JetBrains Mono", monospace;
}
.tba-box {
  background: #FFF8E8; border: 1px solid #F0D48A; border-radius: 16px; padding: 1rem 1.15rem; margin: 1rem 0 1.25rem;
}
.tba-box strong { display: block; margin-bottom: .35rem; color: #8A6A12; }
.tba-box p { margin: 0; color: #6e5718; }
.info-rows { display: grid; gap: .65rem; margin-top: 1rem; }
.info-row {
  display: grid; grid-template-columns: 140px 1fr; gap: .75rem;
  padding: .85rem 1rem; border-radius: 14px; background: #fff; border: 1px solid var(--line);
}
.info-row span { color: var(--muted); font-size: .85rem; font-weight: 700; }
.detail-photo {
  width: 100%; height: 420px; object-fit: cover; border-radius: 22px; border: 1px solid var(--line);
}
.kv-gallery {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
}
.kv-gallery figure {
  margin: 0; border-radius: 22px; overflow: hidden; border: 1px solid var(--line);
  background: #000; position: relative;
}
.kv-gallery img { width: 100%; height: 260px; object-fit: cover; display: block; }
.kv-gallery figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: .85rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,.75)); color: #fff; font-size: .85rem; font-weight: 600;
}
.floor-plan {
  width: 100%; border-radius: 22px; border: 1px solid var(--line); background: #0b1a28;
}
.hero-kv {
  position: absolute; inset: 0; opacity: .42;
  background: url("../images/kv-hero.jpg") center/cover no-repeat;
  mix-blend-mode: luminosity;
}
.form-note { font-size: .82rem; color: var(--muted); margin-top: .75rem; }
.success-box {
  display: none; margin-top: 1rem; padding: 1rem; border-radius: 14px;
  background: #E8F8DF; border: 1px solid #b7e3a4; color: #1f5a16;
}
.success-box.show { display: block; }
.success-box code {
  display: inline-block; margin-top: .4rem; padding: .35rem .7rem;
  background: #fff; border-radius: 8px; font-family: "JetBrains Mono", monospace; font-weight: 700;
}

/* AMBASSADOR */
.ambassador { background: #fff; }
.amb-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.5rem; align-items: stretch; }
.feature-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.feature-list li {
  display: flex; gap: .7rem; align-items: flex-start;
  padding: .75rem 0; border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.feature-list li::before {
  content: "✓"; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center; flex: 0 0 24px;
  background: rgba(95,168,61,.15); color: var(--green); font-weight: 800; font-size: .8rem;
}

/* FAQ */
.faq { background: var(--paper-dim); }
.faq-list { display: grid; gap: .75rem; max-width: 820px; }
.faq-item {
  background: #fff; border-radius: 18px; border: 1px solid var(--line); overflow: hidden;
}
.faq-item button {
  width: 100%; text-align: left; background: transparent; border: 0; cursor: pointer;
  padding: 1.15rem 1.25rem; font-weight: 700; display: flex; justify-content: space-between; gap: 1rem;
}
.faq-item .answer { display: none; padding: 0 1.25rem 1.15rem; color: var(--muted); line-height: 1.6; }
.faq-item.open .answer { display: block; }
.faq-item.open button { color: var(--teal); }

/* FOOTER */
.footer {
  background: var(--ink); color: rgba(255,255,255,.82); padding: 3.5rem 0 2rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer h4 { color: #fff; font-family: var(--display); margin: 0 0 1rem; }
.footer a { display: block; margin-bottom: .55rem; opacity: .8; }
.footer a:hover { opacity: 1; color: var(--green-bright); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.25rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .85rem;
}

/* FLOAT CTA */
.float-cta {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 90;
  display: none; box-shadow: var(--shadow);
}
.float-cta.show { display: inline-flex; }

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

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 76px; left: 1rem; right: 1rem;
    background: #fff; border-radius: 20px; padding: 1rem; border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .menu-toggle { display: block; }
  .stats-grid, .bento { grid-template-columns: 1fr 1fr; }
  .about-grid, .register-grid, .amb-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-content { text-align: left; padding-top: 7rem; }
}
@media (max-width: 560px) {
  .stats-grid, .bento, .countdown { grid-template-columns: 1fr 1fr; }
  .hero h1 { max-width: none; }
}

.highlights { padding: 3rem 0; background: #fff; }
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.highlight-grid .about-card img {
  border-radius: 14px;
  height: 140px;
  width: 100%;
  object-fit: cover;
  margin-bottom: .8rem;
}
.highlight-grid h3 { margin: 0 0 .35rem; font-family: var(--display); }
.highlight-grid p { margin: 0; color: var(--muted); font-size: .92rem; }

/* INNER PAGES */
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 8.5rem 0 3.5rem;
  background:
    radial-gradient(ellipse 70% 60% at 12% 20%, rgba(95,168,61,.4), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(46,109,180,.45), transparent 50%),
    linear-gradient(160deg, #071620 0%, #0C2032 45%, #123A63 100%);
}
.page-hero h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: -.03em;
  margin: 0 0 .75rem;
  max-width: 18ch;
}
.page-hero p { margin: 0; max-width: 58ch; color: rgba(255,255,255,.82); line-height: 1.65; font-size: 1.05rem; }
.crumbs { display: flex; flex-wrap: wrap; gap: .45rem; font-size: .82rem; font-weight: 600; margin-bottom: 1rem; color: rgba(255,255,255,.7); }
.crumbs a { color: var(--green-bright); }
.page-section { padding: 4.5rem 0; }
.page-section-dark {
  background: var(--ink);
  color: #fff;
}
.page-section-dark .section-kicker { color: var(--green-bright); }
.page-section-dark .section-head h2 { color: #fff; }
.page-section-dark .section-head p { color: rgba(255, 255, 255, 0.72); }
.page-section-dark .prose p { color: rgba(255, 255, 255, 0.75); }
.page-section-dark .pill {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.chip-dark {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
}
.chip-dark span { color: var(--green-bright); }
.chip-dark strong { color: #fff; }
.split-2 { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: start; }
.prose p { color: var(--muted); line-height: 1.7; font-size: 1.05rem; }
.prose p + p { margin-top: 1rem; }
.track-list { display: grid; gap: .75rem; margin: 1.5rem 0 0; }
.track-item {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1rem 1.15rem;
}
.track-item strong { display: block; font-family: var(--display); margin-bottom: .25rem; }
.track-item span { color: var(--muted); font-size: .92rem; }
.agenda { display: grid; gap: .85rem; max-width: 820px; }
.agenda-row {
  display: grid; grid-template-columns: 140px 1fr; gap: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px; padding: 1.1rem 1.25rem;
}
.agenda-row time { font-weight: 800; color: var(--green-bright); font-size: .92rem; }
.agenda-row h3 { margin: 0 0 .25rem; font-family: var(--display); font-size: 1.05rem; color: #fff; }
.agenda-row p { margin: 0; color: rgba(255, 255, 255, 0.7); font-size: .92rem; }
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}
.speaker-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  overflow: hidden;
  transition: .3s ease;
}
.speaker-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.28);
}
.speaker-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.speaker-body { padding: 1.1rem 1.15rem 1.25rem; }
.speaker-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-bright);
  margin-bottom: .45rem;
}
.speaker-card h3 {
  margin: 0 0 .25rem;
  font-family: var(--display);
  font-size: 1.15rem;
  color: #fff;
}
.speaker-role {
  margin: 0 0 .65rem;
  font-size: .85rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.55);
}
.speaker-card p:last-child {
  margin: 0;
  font-size: .9rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.72);
}
.comp-hero-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.map-card {
  border-radius: 22px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  min-height: 320px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}
.map-card iframe {
  width: 100%; height: 100%; min-height: 320px; border: 0;
  filter: grayscale(0.15) contrast(1.05);
}
.cta-band {
  background: linear-gradient(135deg, var(--ink), var(--navy));
  color: #fff; padding: 3.5rem 0;
}
.cta-band h2 { font-family: var(--display); margin: 0 0 .75rem; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-band p { margin: 0 0 1.25rem; color: rgba(255,255,255,.78); max-width: 50ch; }

@media (max-width: 900px) {
  .highlight-grid, .kv-gallery, .field-row, .speaker-grid { grid-template-columns: 1fr 1fr; }
  .split-2, .agenda-row, .info-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .highlight-grid, .kv-gallery, .field-row, .speaker-grid { grid-template-columns: 1fr; }
  .detail-photo { height: 260px; }
}