/* ============================================================
   SDASM Combined Camp — Professional Modern Theme
   Navy #0D2257 | Red #E53935 | Light bg #F7F9FC
   Fonts: Montserrat (headings) · Open Sans (body)
   ============================================================ */

/* ---------- Custom font faces (local) ---------- */
@font-face {
  font-family: 'Oswald';
  src: url('../fonts/Oswald-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'RobotoCondensed';
  src: url('../fonts/RobotoCondensed-Bold.ttf') format('truetype'),
       url('../fonts/RobotoCondensed-Regular.ttf') format('truetype');
  font-weight: 400 700;
  font-display: swap;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Open Sans', sans-serif;
  color: #1a2340;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: #1565C0; text-decoration: none; transition: color 0.2s; }
a:hover { color: #E53935; }

/* ---------- CSS Variables ---------- */
:root {
  --navy:   #0D2257;
  --navy2:  #1a3a7c;
  --red:    #E53935;
  --red2:   #B71C1C;
  --blue:   #1565C0;
  --light:  #F7F9FC;
  --border: #E2E8F4;
  --text:   #1a2340;
  --muted:  #5a6a8a;
  --white:  #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(13,34,87,0.08);
  --shadow-lg: 0 12px 48px rgba(13,34,87,0.14);
  --transition: 0.25s ease;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', 'Oswald', sans-serif;
  font-weight: 900;
  line-height: 1.15;
  color: var(--navy);
}

/* ---------- Utility ---------- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 12px 28px;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn:active { transform: translateY(0); }

.btn-lg { padding: 15px 36px; font-size: 0.95rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
  box-shadow: 0 4px 16px rgba(229,57,53,0.3);
}
.btn-primary:hover {
  background: var(--red2);
  border-color: var(--red2);
  box-shadow: 0 8px 28px rgba(229,57,53,0.4);
  color: #fff;
}

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

.btn-white {
  background: #fff;
  color: var(--navy);
  border-color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-white:hover {
  background: var(--light);
  box-shadow: 0 8px 24px rgba(0,0,0,0.16);
  color: var(--navy);
}

/* Section labels */
.section-pill {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(229,57,53,0.08);
  border: 1px solid rgba(229,57,53,0.2);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
}
.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 8px 0; }
.section-sub { color: var(--muted); font-size: 1rem; margin-top: 6px; }


/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(13,34,87,0.10);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark img { height: 46px; width: auto; }
.logo-initials {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900; font-size: 1.1rem;
  color: #fff;
  letter-spacing: 0.05em;
}
.logo-text { display: flex; flex-direction: column; }
.logo-abbr {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: 0.03em;
}
.logo-sub {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  line-height: 1.4;
}

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--navy);
  padding: 8px 16px;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover, .nav-link.active {
  background: var(--navy);
  color: #fff;
  text-decoration: none;
}

/* Header actions: CTA + hamburger */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* ---------- New Login button ---------- */
.btn-header-login {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--navy);
  color: var(--navy);
  background: transparent;
  border-radius: 999px;
  transition: all 0.3s ease;
}
.btn-header-login:hover {
  background: var(--navy);
  color: #fff;
}

/* ---------- Register button (unchanged) ---------- */
.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  background: var(--red);
  color: #fff;
  padding: 10px 22px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(229,57,53,0.28);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-header-cta:hover {
  background: var(--red2);
  box-shadow: 0 6px 20px rgba(229,57,53,0.4);
  transform: translateY(-1px);
  color: #fff;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 9px 10px;
  z-index: 1100;
  transition: border-color var(--transition);
}
.nav-toggle:hover { border-color: var(--navy); }
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.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); }

/* Overlay */
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(6,15,43,0.5);
  backdrop-filter: blur(2px);
  z-index: 999;
  display: none; opacity: 0;
  transition: opacity 0.3s;
}
.nav-overlay.active { display: block; opacity: 1; }

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0; right: -320px;
  width: 300px; height: 100%;
  background: #fff;
  box-shadow: -8px 0 40px rgba(13,34,87,0.16);
  z-index: 1100;
  transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
  display: flex; flex-direction: column;
  padding: 0;
}
.sidebar.open { right: 0; }

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
}
.sidebar-close {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--light);
  border: none;
  font-size: 1rem;
  color: var(--navy);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.sidebar-close:hover { background: var(--border); }

.sidebar-nav {
  flex: 1;
  display: flex; flex-direction: column;
  padding: 20px 16px;
  gap: 4px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  border-radius: 10px;
  transition: background var(--transition), color var(--transition);
}
.sidebar-nav a i { width: 18px; color: var(--muted); font-size: 0.9rem; }
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: var(--navy);
  color: #fff;
  text-decoration: none;
}
.sidebar-nav a:hover i, .sidebar-nav a.active i { color: rgba(255,255,255,0.7); }

.sidebar-cta { padding: 0 16px 16px; }

/* ---- Sidebar Login & Register (consistent outlined style) ---- */
.sidebar-cta .btn-header-login {
  display: block;
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  text-align: center;
  font-size: 0.9rem;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}


/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 24px 90px;
  text-align: center;
  background: linear-gradient(150deg, #f0f5ff 0%, #e8eeff 50%, #f5f0ff 100%);
}

/* Decorative shapes */
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
}
.hero-shape--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(229,57,53,0.25), transparent 70%);
  top: -120px; right: -100px;
}
.hero-shape--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(13,34,87,0.15), transparent 70%);
  bottom: -80px; left: -80px;
}
.hero-shape--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(21,101,192,0.15), transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}

.hero-container { max-width: 860px; margin: 0 auto; position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(13,34,87,0.07);
  border: 1px solid rgba(13,34,87,0.15);
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.hero-title-accent {
  display: block;
  color: var(--red);
}

.hero-theme {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--muted);
  font-weight: 600;
  font-style: italic;
  margin-bottom: 44px;
  max-width: 640px;
  margin-left: auto; margin-right: auto;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 6px;
  gap: 0;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
  flex-wrap: wrap;
  justify-content: center;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  text-align: left;
}
.hero-meta-item i {
  color: var(--red);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.hero-meta-item small {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1;
  margin-bottom: 2px;
}
.hero-meta-item strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--navy);
  line-height: 1.3;
}
.hero-meta-divider {
  width: 1px; height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }


/* ============================================================
   COUNTDOWN
   ============================================================ */
.countdown-section {
  background: var(--navy);
  padding: 50px 24px;
  text-align: center;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}
.countdown-label i { margin-right: 8px; }

.countdown {
  display: inline-flex;
  align-items: center;
  gap: 0;
}
.cd-block {
  text-align: center;
  padding: 0 24px;
}
.cd-number {
  display: block;
  font-family: 'Oswald', 'RobotoCondensed', 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.cd-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-top: 6px;
}
.cd-sep {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  padding-bottom: 16px;
  align-self: center;
}


/* ============================================================
   ABOUT
   ============================================================ */
.about-section {
  padding: 96px 24px;
  background: var(--light);
}
.about-label { margin-bottom: 16px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}

.about-headline {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.about-headline .accent { color: var(--red); }

.about-pillars {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}
.about-pillars li {
  padding-left: 16px;
  border-left: 3px solid var(--red);
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
}
.pillar-word {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  color: var(--navy);
}

.about-stats {
  display: flex;
  gap: 0;
  margin-top: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.stat-item {
  flex: 1;
  text-align: center;
  padding: 16px 10px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-item strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 3px;
}
.stat-item small {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   SPEAKER
   ============================================================ */
.speaker-section {
  padding: 96px 24px;
  background: #fff;
}

.speaker-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  box-shadow: var(--shadow);
}

.speaker-img-wrap {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  border: 3px solid var(--red);
  box-shadow: 0 8px 32px rgba(229,57,53,0.2);
}
.speaker-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.speaker-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.speaker-name {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--navy);
  margin-bottom: 6px;
}
.speaker-title {
  font-size: 0.875rem;
  color: var(--red);
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 16px;
  line-height: 1.5;
}
.speaker-bio {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.75;
}


/* ============================================================
   ACTIVITIES
   ============================================================ */
.activities-section {
  padding: 96px 24px;
  background: var(--light);
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.activity-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.activity-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--navy2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.activity-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.activity-card:hover::before { transform: scaleX(1); }

.activity-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--red), var(--red2));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 6px 20px rgba(229,57,53,0.25);
  transition: transform var(--transition);
}
.activity-card:hover .activity-icon { transform: scale(1.08); }

.activity-card h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 10px;
}
.activity-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(110deg, var(--navy) 0%, #162e6b 50%, #1a1060 100%);
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(229,57,53,0.15), transparent 60%);
  top: -200px; right: -100px;
  pointer-events: none;
}
.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
}
.cta-banner h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: #fff; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.65); font-size: 1rem; max-width: 440px; }


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #06102e;
}

.footer-top { padding: 64px 24px 48px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.footer-logo img { height: 46px; width: auto; }
.footer-logo-initials {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--navy2);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900; font-size: 1.1rem;
  color: #fff;
}
.footer-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  line-height: 1.2;
}
.footer-tagline {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.footer-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  max-width: 300px;
}

.footer-col-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-nav a i { font-size: 0.55rem; color: var(--red); }
.footer-nav a:hover { color: #fff; }

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom strong { color: rgba(255,255,255,0.5); }


/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ── Large tablet ── */
@media (max-width: 1024px) {
  .activities-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-col--brand { grid-column: 1 / -1; }
  .speaker-card { gap: 36px; padding: 40px; }
}

/* ---------- Hide header buttons on mobile ---------- */
@media (max-width: 768px) {
  /* Show only the hamburger, hide CTAs */
  .header-actions .btn-header-login,
  .header-actions .btn-header-cta {
    display: none;
  }
}
/* ── Small tablet / landscape phone ── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-theme-col { text-align: center; }
  .about-theme-col .btn { display: inline-flex; }

  .speaker-card {
    grid-template-columns: 180px 1fr;
    padding: 32px;
    gap: 28px;
  }

  .cta-inner { flex-direction: column; text-align: center; gap: 28px; }
  .cta-banner p { margin: 0 auto; }

  .contact-wrapper { grid-template-columns: 1fr; max-width: 560px; }
}

/* ── Mobile nav breakpoint ── */
@media (max-width: 768px) {
  /* Header */
  .main-nav { display: none; }
  .nav-toggle { display: flex; }


  /* Reduce gap between buttons */
  .header-actions {
    gap: 8px;
  }

  /* Logo sizing */
  .logo-mark img { height: 38px; }
  .logo-initials { width: 38px; height: 38px; font-size: 0.95rem; }

  /* Hero */
  .hero { padding: 64px 20px 56px; }
  .hero-title { font-size: clamp(1.9rem, 8vw, 2.8rem); }
  .hero-theme { font-size: 0.95rem; margin-bottom: 28px; }

  /* Hero meta — stack vertically, full width */
  .hero-meta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;
    border-radius: 14px;
    padding: 4px;
  }
  .hero-meta-item {
    width: 100%;
    padding: 12px 16px;
  }
  .hero-meta-divider {
    width: auto;
    height: 1px;
    background: var(--border);
  }

  /* Hero CTAs — stack, full width */
  .hero-ctas { flex-direction: column; align-items: center; gap: 10px; }
  .hero-ctas .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* Countdown */
  .countdown-section { padding: 40px 16px; }
  .cd-block { padding: 0 10px; }
  .cd-number { font-size: clamp(2.2rem, 9vw, 3.2rem); }
  .cd-sep { font-size: clamp(1.8rem, 6vw, 2.8rem); padding-bottom: 14px; }

  /* About */
  .about-section { padding: 64px 20px; }
  .about-headline { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .about-stats { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }

  /* Speaker */
  .speaker-section { padding: 64px 20px; }
  .speaker-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px 24px;
    gap: 24px;
  }
  .speaker-img-wrap {
    width: 150px;
    margin: 0 auto;
  }

  /* Activities */
  .activities-section { padding: 64px 20px; }
  .activities-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .activity-card { padding: 24px 18px; }
  .activity-icon { width: 52px; height: 52px; font-size: 1.2rem; margin-bottom: 14px; }

  /* CTA banner */
  .cta-banner { padding: 56px 20px; }
  .cta-inner { gap: 20px; }
  .cta-banner h2 { font-size: 1.7rem; }
  .cta-inner .btn { width: 100%; max-width: 280px; justify-content: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-col--brand { grid-column: auto; }
  .footer-top { padding: 44px 20px 28px; }
  .footer-desc { max-width: 100%; }
}

/* ── Small phones ── */
@media (max-width: 480px) {
  /* Header stays tight but text remains */
  .header-inner { padding: 0 16px; height: 64px; }
  .btn-header-cta,
  .btn-header-login {
    font-size: 0.65rem;
    padding: 7px 12px;
  }
  .logo-mark img { height: 18px; }

  /* Sidebar full-ish width */
  .sidebar { width: 88vw; right: -92vw; }

  /* Hero */
  .hero { padding: 52px 16px 48px; }
  .hero-eyebrow { font-size: 0.6rem; padding: 6px 14px; }
  .hero-meta { max-width: 100%; }

  /* Countdown — tighten */
  .cd-block { padding: 0 6px; }
  .cd-sep { padding: 0 2px 14px; }

  /* About */
  .about-section { padding: 52px 16px; }
  .about-pillars li { font-size: 0.9rem; }

  /* Activities — single column on tiny screens */
  .activities-grid { grid-template-columns: 1fr; }

  /* Speaker */
  .speaker-card { padding: 24px 16px; }
  .speaker-name { font-size: 1.6rem; }

  /* Contact */
  .contact-card { padding: 24px 16px; }
  .contact-page { padding: 48px 16px; }

  /* Footer */
  .footer-bottom p { font-size: 0.72rem; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .eyebrow-dot { animation: none; }
}