:root {
  --navy: #0b1735;
  --navy-2: #122552;
  --blue: #2563eb;
  --cyan: #22d3ee;
  --gold: #f59e0b;
  --ink: #14213d;
  --muted: #667085;
  --soft: #f5f8ff;
  --white: #ffffff;
  --line: #dfe7f3;
  --success: #0f9f6e;
  --shadow: 0 22px 60px rgba(11, 23, 53, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Cairo", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(223,231,243,.8);
}
.topbar-inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.brand-mark {
  width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 14px; color: #fff; font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 10px 25px rgba(37,99,235,.22);
}
.brand strong, .brand small { display: block; }
.brand strong { color: var(--navy); }
.brand small { color: var(--muted); font-size: 11px; margin-top: -3px; }
.nav { display: flex; align-items: center; gap: 24px; font-weight: 600; color: #344054; }
.nav a:hover { color: var(--blue); }
.menu-toggle { display: none; border: 0; background: transparent; font-size: 26px; cursor: pointer; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 24px; border: 0; border-radius: 14px;
  font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, #2563eb, #0ea5e9); box-shadow: 0 14px 28px rgba(37,99,235,.25); }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.38); background: rgba(255,255,255,.08); }
.btn-light { color: var(--navy); background: #fff; }
.btn-small { min-height: 42px; padding-inline: 18px; border-radius: 12px; font-size: 14px; }
.btn-block { width: 100%; }

.hero {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(110deg, rgba(5,15,40,.95) 10%, rgba(13,34,77,.88) 52%, rgba(11,23,53,.72) 100%),
    url("https://images.unsplash.com/photo-1531482615713-2afd69097998?auto=format&fit=crop&w=1800&q=88") center/cover;
}
.hero::before {
  content: "";
  position: absolute; inset: auto -120px -180px auto;
  width: 520px; height: 520px; border-radius: 50%;
  background: rgba(34,211,238,.13); filter: blur(8px);
}
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(circle at 70% 35%, rgba(37,99,235,.18), transparent 38%); }
.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.35fr .65fr;
  align-items: center; gap: 70px; padding-block: 90px;
}
.eyebrow, .section-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px; border-radius: 999px;
  font-size: 13px; font-weight: 800; letter-spacing: .2px;
}
.eyebrow { color: #dff9ff; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.08); }
.hero h1 { max-width: 820px; margin: 18px 0; font-size: clamp(38px, 5vw, 68px); line-height: 1.22; letter-spacing: -1.2px; }
.hero h1 span { color: #67e8f9; }
.hero-lead { max-width: 780px; margin: 0 0 28px; color: #dbe7ff; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.hero-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.hero-meta > div {
  display: grid; grid-template-columns: auto 1fr; column-gap: 9px; align-items: center;
  padding: 14px 15px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px;
  background: rgba(255,255,255,.06); backdrop-filter: blur(10px);
}
.hero-meta span { grid-row: span 2; font-size: 22px; }
.hero-meta strong { font-size: 13px; }
.hero-meta small { color: #b9c7e6; font-size: 11px; }

.hero-organizers {
  grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 28px;
}
.organizer-card {
  display: flex; align-items: center; gap: 20px; width: 46%; padding: 18px;
  border: 1px solid rgba(255,255,255,.22); border-radius: 22px;
  background: rgba(11,23,53,.72); box-shadow: 0 14px 35px rgba(0,0,0,.15);
}
.organizer-card img {
  flex: 0 0 126px; width: 126px; height: 126px; object-fit: cover;
  border-radius: 16px; background: #fff; border: 2px solid rgba(255,255,255,.8);
}
.organizer-card > div { min-width: 0; }
.organizer-role { margin: 0 0 7px; color: #9beaf6; font-size: 12px; font-weight: 700; line-height: 1.5; }
.organizer-card h2 { margin: 0; color: #fff; font-size: 21px; line-height: 1.5; }

.countdown-card {
  padding: 30px; border: 1px solid rgba(255,255,255,.19); border-radius: 26px;
  background: rgba(255,255,255,.10); backdrop-filter: blur(22px); box-shadow: var(--shadow);
}
.countdown-label { color: #b9f6d6; font-size: 13px; font-weight: 800; }
.countdown-card h2 { margin: 5px 0 20px; font-size: 25px; }
.countdown { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; direction: ltr; }
.countdown div { padding: 13px 6px; text-align: center; border-radius: 14px; background: rgba(6,17,43,.62); }
.countdown strong, .countdown span { display: block; }
.countdown strong { font-size: 28px; line-height: 1.15; }
.countdown span { margin-top: 4px; color: #bac6dd; font-size: 11px; }
.deadline-note { margin: 18px 0; padding: 12px; border-radius: 12px; color: #dce7ff; background: rgba(255,255,255,.07); font-size: 13px; }
.deadline-note strong { display: block; color: #fff; }
.microcopy { margin: 11px 0 0; text-align: center; color: #b9c7e6; font-size: 12px; }

.stats-strip { background: var(--navy); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid div { padding: 26px 18px; text-align: center; border-left: 1px solid rgba(255,255,255,.08); }
.stats-grid strong, .stats-grid span { display: block; }
.stats-grid strong { color: #67e8f9; font-size: 21px; }
.stats-grid span { color: #cad4e7; font-size: 13px; }

.section { padding: 94px 0; }
.section-soft { background: var(--soft); }
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 68px; align-items: center; }
.media-card { position: relative; }
.media-card img { width: 100%; min-height: 520px; object-fit: cover; border-radius: 26px; box-shadow: var(--shadow); }
.media-badge {
  position: absolute; right: 24px; left: 24px; bottom: 24px;
  padding: 18px 20px; border-radius: 16px; color: #fff; font-weight: 800;
  background: rgba(11,23,53,.84); backdrop-filter: blur(12px);
}
.section-kicker { color: #175cd3; background: #eaf2ff; }
.section-kicker.light { color: #dff9ff; background: rgba(255,255,255,.08); }
.section h2, .showcase h2 { margin: 14px 0 16px; color: var(--navy); font-size: clamp(30px, 4vw, 45px); line-height: 1.35; }
.section-text, .section-heading p { color: var(--muted); font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 28px; }
.feature-grid article { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.feature-grid article > span { font-size: 25px; }
.feature-grid h3 { margin: 8px 0 3px; color: var(--navy); font-size: 17px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.section-heading { max-width: 780px; margin: 0 auto 42px; text-align: center; }
.timeline { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.timeline article { display: flex; gap: 16px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 10px 25px rgba(20,33,61,.04); }
.step { flex: 0 0 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--blue), #0ea5e9); }
.timeline h3 { margin: 0 0 7px; color: var(--navy); font-size: 17px; }
.timeline p { margin: 0; color: var(--muted); font-size: 13px; }

.showcase { color: #fff; background: linear-gradient(135deg, #07142f 0%, #12376c 62%, #0e7490 100%); }
.showcase-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 64px; align-items: center; }
.showcase h2 { color: #fff; }
.showcase p { color: #d6e2f6; font-size: 17px; }
.showcase img { width: 100%; min-height: 430px; object-fit: cover; border-radius: 26px; border: 1px solid rgba(255,255,255,.14); box-shadow: var(--shadow); }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.check-list li { padding: 13px 15px; border-radius: 13px; background: rgba(255,255,255,.08); }
.check-list li::before { content: "✓"; margin-left: 8px; color: #67e8f9; font-weight: 900; }

.registration-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 58px; align-items: start; }
.registration-copy > p { color: var(--muted); }
.info-box { display: flex; gap: 14px; padding: 18px; margin-top: 13px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.info-box > span { font-size: 25px; }
.info-box strong { color: var(--navy); }
.info-box p { margin: 0; color: var(--muted); font-size: 13px; }
.registration-form { padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.form-head { margin-bottom: 22px; }
.form-head h3 { margin: 0; color: var(--navy); font-size: 24px; }
.form-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.field-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
label { color: #344054; font-size: 13px; font-weight: 700; }
input, select {
  width: 100%; min-height: 50px; margin-top: 7px; padding: 0 14px;
  border: 1px solid #d7dfeb; border-radius: 12px; outline: none; background: #fbfcfe;
}
input:focus, select:focus { border-color: #6090ff; box-shadow: 0 0 0 4px rgba(37,99,235,.09); }
.field-grid label { min-width: 0; }
.field-grid select { max-width: 100%; }
.field-grid small { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; font-weight: 400; }
select:disabled { background: #eef2f7; color: #667085; cursor: not-allowed; }
.directory-retry { border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; color: var(--blue); background: #f5f8ff; cursor: pointer; }
.directory-retry[hidden] { display: none; }
.consent { display: flex; gap: 9px; align-items: flex-start; margin: 18px 0; font-weight: 500; }
.consent input { width: 18px; min-height: auto; margin-top: 5px; }
.form-note { color: var(--muted); font-size: 11px; text-align: center; }
.form-message { display: none; margin-top: 12px; padding: 12px 14px; border-radius: 12px; font-size: 13px; }
.form-message.show { display: block; }
.form-message.success { color: #05603a; background: #e7f8ef; border: 1px solid #b8e8ce; }

.faq-list { max-width: 880px; margin: 0 auto; display: grid; gap: 12px; }
details { padding: 18px 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
summary { cursor: pointer; color: var(--navy); font-weight: 800; }
details p { margin-bottom: 0; color: var(--muted); }

.final-cta { padding: 54px 0; color: #fff; background: linear-gradient(135deg, #1d4ed8, #0891b2); }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.final-cta span { color: #dff8ff; font-size: 13px; font-weight: 800; }
.final-cta h2 { max-width: 760px; margin: 6px 0 0; font-size: 28px; line-height: 1.5; }
footer { padding: 34px 0; color: #b9c4da; background: #071128; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-inner strong { color: #fff; }
.footer-inner p { margin: 2px 0; font-size: 12px; }

@media (max-width: 980px) {
  .desktop-cta { display: none; }
  .nav { position: absolute; top: 78px; right: 20px; left: 20px; display: none; flex-direction: column; align-items: stretch; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .hero-grid, .split, .showcase-grid, .registration-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 36px; }
  .hero-organizers { gap: 18px; }
  .organizer-card { width: 50%; flex-direction: column; text-align: center; }
  .countdown-card { max-width: 600px; }
  .timeline { grid-template-columns: repeat(2,1fr); }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .hero-meta { grid-template-columns: 1fr; }
  .media-card img { min-height: 420px; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 26px, 1180px); }
  .section { padding: 70px 0; }
  .hero { min-height: auto; }
  .hero-grid { padding-block: 64px; }
  .hero-organizers { flex-direction: column; }
  .organizer-card { width: 100%; flex-direction: row; text-align: left; gap: 16px; padding: 16px; }
  .organizer-card img { flex-basis: 100px; width: 100px; height: 100px; }
  .organizer-card h2 { font-size: 18px; }
  .hero h1 { font-size: 37px; }
  .hero-lead { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .countdown-card { padding: 22px; }
  .countdown strong { font-size: 23px; }
  .feature-grid, .timeline, .field-grid, .check-list { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid div { padding: 18px 8px; }
  .final-cta-inner, .footer-inner { align-items: stretch; flex-direction: column; }
  .final-cta .btn { width: 100%; }
  .brand small { display: none; }
}