/* ============================================================
   SUMMIT THEME — Aligned with SDC Home Page Design System
   ============================================================ */

:root {
  --navy: #003E6F;
  --navy-dark: #002C50;
  --teal: #1C75BC;
  --aqua: #5BA4E6;
  --paper: #f0f4f8;
  --line: #c3d1e2;
  --muted: #6b7a8d;
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

body {
  background: var(--paper);
  color: #2F3846;
  font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Hero */
.hub-hero {
  padding: 190px 0 100px;
  background: radial-gradient(circle at 80% 20%, rgba(91, 164, 230, 0.38), transparent 28%),
              linear-gradient(145deg, #002c50 0%, #003e6f 55%, #1c75bc 100%);
}

.hub-hero h1 span {
  color: #8fc7f4;
}

.hero-stat {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
  background: var(--teal);
  border-color: var(--teal);
  border-radius: 50px !important;
  font-family: var(--font-heading);
  font-weight: 700;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(28, 117, 188, 0.2);
}

.btn:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 44, 114, 0.25);
}

.btn-line {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

.btn-line:hover {
  background: #ffffff;
  color: var(--navy-dark);
  border-color: #fff;
}

.btn-light {
  background: #fff;
  border-color: #fff;
  color: var(--navy);
}

.btn-secondary {
  border-radius: 50px !important;
  border: 1.5px solid var(--line);
  color: var(--navy);
}

.btn-secondary:hover {
  background: #f0f4f8;
  color: var(--teal);
  border-color: var(--teal);
}

/* Event Cards */
.event-intro .wrap > div {
  border-color: #dce7f0;
}

.event-intro span, .kicker.teal, .text-link, .event-audience {
  color: var(--teal);
}

.controls {
  border-radius: 16px;
  box-shadow: 0 8px 25px rgba(0, 44, 114, 0.05);
}

.chip {
  border-radius: 50px !important;
  font-family: var(--font-heading);
  font-weight: 700;
  transition: all 0.2s ease;
}

.chip.active, .chip:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  color: #fff;
}

.event-card {
  border-radius: 16px !important;
  overflow: hidden;
  border: 1px solid rgba(0, 44, 114, 0.08);
  box-shadow: 0 10px 30px rgba(0, 44, 114, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(0, 44, 114, 0.12);
}

.event-card__tag {
  color: var(--teal);
  border-radius: 50px;
}

.event-card__date {
  background: var(--navy-dark);
  border-radius: 12px 12px 0 0;
}

.event-meta i {
  color: var(--teal);
}

.summit-cta {
  background: linear-gradient(115deg, #003e6f, #1c75bc);
  border-radius: 20px;
  margin: 40px auto;
  max-width: 1200px;
}

.sdg-strip {
  height: 8px;
  display: grid;
  grid-template-columns: repeat(17, 1fr);
}

.sdg-strip span {
  display: block;
}

@media (max-width: 768px) {
  .hub-hero {
    padding-top: 140px;
  }
}