/* =============================================
   R5 SUMMIT — Shared Stylesheet
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
  --navy:       #0a0f1e;
  --navy-mid:   #111827;
  --navy-light: #1e2a3a;
  --blue:       #2563eb;
  --blue-light: #3b82f6;
  --blue-glow:  #60a5fa;
  --teal:       #0d9488;
  --teal-light: #14b8a6;
  --white:      #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-300:   #cbd5e1;
  --gray-400:   #94a3b8;
  --gray-500:   #64748b;
  --gray-700:   #334155;
  --accent:     #f59e0b;
  --red:        #ef4444;

  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Space Grotesk', 'Inter', system-ui, sans-serif;

  --max-w: 1200px;
  --nav-h: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--blue-light); text-decoration: none; }
a:hover { color: var(--blue-glow); }
img { display: block; max-width: 100%; }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }
section:nth-child(even) { background: var(--navy-mid); }

/* ── Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  cursor: pointer;
}

.logo-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--blue-light);
  background: linear-gradient(135deg, var(--blue) 0%, var(--teal) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  transition: transform 0.2s, box-shadow 0.2s;
}

.logo-circle:hover {
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.5);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  color: var(--gray-300);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover, .nav-links a.active {
  background: rgba(255,255,255,0.07);
  color: var(--white);
}

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 7px 16px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--blue-light) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ── Headings ── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.2;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-light); color: var(--white); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(37,99,235,0.4); }

.btn-outline {
  border-color: rgba(255,255,255,0.3);
  color: var(--white);
  background: transparent;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.05); color: var(--white); }

.btn-teal {
  background: var(--teal);
  color: var(--white);
}
.btn-teal:hover { background: var(--teal-light); color: var(--white); }

/* ── Hero ── */
.hero {
  position: relative;
  padding: 100px 0 90px;
  overflow: hidden;
  background: var(--navy);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37,99,235,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 60%, rgba(13,148,136,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-glow);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-light);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--blue-glow), var(--teal-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--gray-400);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  font-size: 0.9rem;
  color: var(--gray-300);
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-quote {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.85rem;
  color: var(--gray-500);
  font-style: italic;
}

/* ── Stats Bar ── */
.stats-bar {
  background: var(--navy-light);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 6px;
  letter-spacing: 0.03em;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.pillar-card {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 16px;
}

.pillar-card h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal-light);
  margin-bottom: 4px;
}

.pillar-card p {
  font-size: 0.8rem;
  color: var(--gray-400);
  line-height: 1.5;
}

.governance-diagram {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.governance-diagram svg {
  width: 100%;
  height: 100%;
}

/* ── Session Cards ── */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.session-card {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.session-card:hover {
  border-color: rgba(37,99,235,0.4);
  transform: translateY(-2px);
}

.session-track {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.track-engineering { background: rgba(37,99,235,0.15); color: var(--blue-glow); }
.track-leadership  { background: rgba(13,148,136,0.15); color: var(--teal-light); }
.track-ai          { background: rgba(245,158,11,0.15); color: #fbbf24; }
.track-keynote     { background: rgba(239,68,68,0.15);  color: #f87171; }

.session-card h3 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}

.session-card p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.session-meta {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.78rem;
  color: var(--gray-500);
}

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.testimonial-card {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 28px;
}

.testimonial-quote {
  font-size: 1.5rem;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 12px;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--gray-300);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-400);
}

/* ── Sponsors (index strip) ── */
.sponsors-strip {
  padding: 40px 0;
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sponsors-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 28px;
}

.sponsors-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px 32px;
}

.sponsor-pill {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 8px;
  padding: 10px 20px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-400);
  letter-spacing: 0.02em;
}

/* ── Full Sponsor Page ── */
.sponsor-tier {
  margin-bottom: 60px;
}

.tier-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.tier-badge {
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tier-diamond { background: rgba(96,165,250,0.15); color: var(--blue-glow); border: 1px solid rgba(96,165,250,0.3); }
.tier-strategic { background: rgba(13,148,136,0.15); color: var(--teal-light); border: 1px solid rgba(13,148,136,0.3); }
.tier-beverage { background: rgba(245,158,11,0.15); color: #fbbf24; border: 1px solid rgba(245,158,11,0.3); }

.sponsor-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.sponsor-card {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s;
}

.sponsor-card:hover { border-color: rgba(255,255,255,0.15); }

.sponsor-name {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sponsor-desc {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ── Speakers ── */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.speaker-card {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.speaker-card:hover { border-color: rgba(37,99,235,0.35); transform: translateY(-2px); }

.speaker-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.1);
}

.speaker-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.speaker-title {
  font-size: 0.78rem;
  color: var(--teal-light);
  font-weight: 500;
  margin-bottom: 4px;
}

.speaker-company {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-bottom: 14px;
}

.speaker-bio {
  font-size: 0.82rem;
  color: var(--gray-400);
  line-height: 1.6;
  text-align: left;
}

/* ── Schedule ── */
.day-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 36px;
  background: var(--navy-light);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
}

.day-tab {
  padding: 8px 20px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--gray-400);
  transition: background 0.15s, color 0.15s;
}

.day-tab.active, .day-tab:hover {
  background: var(--blue);
  color: var(--white);
}

.day-panel { display: none; }
.day-panel.active { display: block; }

.schedule-notice {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.875rem;
  color: #fbbf24;
  margin-bottom: 28px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.schedule-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0;
  margin-bottom: 2px;
}

.schedule-time {
  padding: 18px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-500);
  font-variant-numeric: tabular-nums;
  border-right: 2px solid rgba(255,255,255,0.05);
  line-height: 1.3;
}

.schedule-block {
  padding: 18px 24px;
  background: var(--navy-light);
  border-radius: 0 8px 8px 0;
  margin-bottom: 2px;
  border-left: 3px solid transparent;
  transition: border-color 0.2s;
}

.schedule-block:hover { border-left-color: var(--blue); }
.schedule-block.keynote { border-left-color: #f87171; }
.schedule-block.break   { background: rgba(255,255,255,0.02); border-left-color: transparent !important; }

.schedule-room {
  font-size: 0.72rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.schedule-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}

.schedule-speaker {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ── FAQ ── */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.faq-item {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.2s;
}

.faq-item:hover { border-color: rgba(255,255,255,0.12); }

.faq-q {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--white);
}

.faq-a {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.65;
}

/* ── Code of Conduct ── */
.conduct-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.conduct-list li {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.875rem;
  color: var(--gray-300);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.conduct-list li::before {
  content: '✓';
  color: var(--teal-light);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Wifi Box ── */
.wifi-box {
  background: var(--navy-light);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: 12px;
  padding: 28px;
  margin-top: 40px;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.wifi-icon { font-size: 2.5rem; }

.wifi-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.wifi-info p  { font-size: 0.85rem; color: var(--gray-400); }

.wifi-password {
  font-family: 'Courier New', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-glow);
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 8px;
  padding: 10px 18px;
  margin-top: 8px;
  letter-spacing: 0.08em;
}

.wifi-timer {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 6px;
}

/* ── CFP ── */
.cfp-hero {
  background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(13,148,136,0.1));
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
  margin-bottom: 60px;
}

.cfp-hero h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); margin-bottom: 12px; }
.cfp-hero p  { color: var(--gray-400); max-width: 560px; margin: 0 auto; line-height: 1.7; }

.cfp-deadline {
  display: inline-block;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 100px;
  padding: 6px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fbbf24;
  margin: 20px 0;
}

.cfp-tracks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.cfp-track-card {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 24px;
}

.cfp-track-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }

.cfp-track-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cfp-track-card ul li {
  font-size: 0.82rem;
  color: var(--gray-400);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.cfp-track-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue);
}

.cfp-tips {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 32px;
  margin-top: 48px;
}

.cfp-tips h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.cfp-tips ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.cfp-tips ul li {
  font-size: 0.875rem;
  color: var(--gray-400);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}
.cfp-tips ul li::before { content: '–'; position: absolute; left: 0; color: var(--gray-500); }

/* ── Merch Slogans ── */
.slogans-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.slogan-tag {
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 0.875rem;
  color: var(--gray-300);
  font-style: italic;
  transition: border-color 0.2s, color 0.2s;
}

.slogan-tag:hover { border-color: var(--blue); color: var(--white); }

/* ── Footer ── */
.site-footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo-circle { margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; max-width: 240px; margin-top: 8px; }

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 14px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 0.875rem; color: var(--gray-400); }
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding: 64px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 30% 50%, rgba(37,99,235,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero .section-label { margin-bottom: 8px; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
.page-hero p  { font-size: 1rem; color: var(--gray-400); max-width: 560px; line-height: 1.7; }

/* ── Utilities ── */
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

.mt-4  { margin-top: 16px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }

.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .governance-diagram { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .conduct-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  section { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--navy-mid);
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    gap: 4px;
  }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}