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

:root {
  --primary: #7C3AED;
  --primary-dark: #5B21B6;
  --gold: #F59E0B;
  --gold-light: #FCD34D;
  --dark: #0A0814;
  --dark2: #110D24;
  --dark3: #1A1535;
  --border: rgba(124,58,237,0.25);
  --text: #E2E8F0;
  --muted: #94A3B8;
  --white: #ffffff;
  --platinum: #E5E7EB;
  --silver: #9CA3AF;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 8%;
  background: rgba(10,8,20,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 1px;
}

.nav-logo span { color: var(--gold); }

.nav-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(124,58,237,0.15); }

.nav-links .btn-nav {
  background: var(--primary);
  color: var(--white);
  padding: 8px 18px;
  border-radius: 8px;
}

.nav-links .btn-nav:hover { background: var(--primary-dark); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 4px 20px rgba(124,58,237,0.4); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 28px rgba(124,58,237,0.55); }

.btn-gold { background: var(--gold); color: #0A0814; box-shadow: 0 4px 20px rgba(245,158,11,0.35); }
.btn-gold:hover { background: var(--gold-light); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ── SECTIONS ── */
.section { padding: 80px 8%; }
.section-sm { padding: 50px 8%; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }

.text-center { text-align: center; }
.text-muted { color: var(--muted); }
.text-gold { color: var(--gold); }
.text-primary { color: var(--primary); }

.section-header { margin-bottom: 50px; }
.section-header p { color: var(--muted); margin-top: 10px; max-width: 560px; }
.section-header.text-center p { margin: 10px auto 0; }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── CARDS ── */
.card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.card:hover { border-color: var(--primary); transform: translateY(-4px); }

.card-icon {
  width: 48px; height: 48px;
  background: rgba(124,58,237,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.hero-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
}

.highlight-icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

/* ── HERO ── */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 80px 8%;
  position: relative;
  overflow: hidden;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,8,20,0.9), rgba(10,8,20,0.5));
  pointer-events: none;
  z-index: 1;
}

.hero-content { position: relative; z-index: 2; max-width: 700px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero h1 { color: var(--white); margin-bottom: 10px; }
.hero h1 span { color: var(--gold); }

.hero-meta {
  display: flex;
  gap: 24px;
  margin: 20px 0 32px;
  flex-wrap: wrap;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-meta span strong { color: var(--white); }

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 50px; }

/* ── COUNTDOWN ── */
.countdown {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.countdown-item {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  text-align: center;
  min-width: 80px;
}

.countdown-item .num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.countdown-item .label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-top: 4px;
}

/* ── HIGHLIGHTS ── */
.highlights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }

/* ── SPEAKER PREVIEW ── */
.speaker-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.speaker-card:hover { transform: translateY(-4px); border-color: var(--primary); }

.speaker-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--dark2), var(--primary-dark));
  overflow: hidden;
}

.speaker-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.speaker-info { padding: 18px; }
.speaker-info h3 { font-size: 1rem; margin-bottom: 4px; }
.speaker-info .role { color: var(--gold); font-size: 0.8rem; font-weight: 500; }
.speaker-info .topic { color: var(--muted); font-size: 0.78rem; margin-top: 6px; }

/* ── SPONSOR LOGOS ── */
.sponsors-strip {
  padding: 40px 8%;
  background: var(--dark2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sponsors-strip p { text-align: center; color: var(--muted); font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 28px; }

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

.logo-placeholder {
  background: rgba(255,255,255,0.05);
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 14px 28px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ── PROGRAMME ── */
.day-block { margin-bottom: 40px; }

.day-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.day-badge {
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  white-space: nowrap;
}

.schedule-item {
  display: flex;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.schedule-time {
  min-width: 90px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 600;
  padding-top: 2px;
}

.schedule-content h4 { font-size: 0.95rem; margin-bottom: 4px; }
.schedule-content p { color: var(--muted); font-size: 0.82rem; }

/* ── WORKSHOPS ── */
.workshop-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.workshop-card:hover { border-color: var(--gold); transform: translateY(-4px); }

.workshop-tag {
  display: inline-block;
  background: rgba(245,158,11,0.12);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.workshop-meta { display: flex; gap: 16px; margin-top: 14px; flex-wrap: wrap; }
.workshop-meta span { color: var(--muted); font-size: 0.78rem; display: flex; align-items: center; gap: 5px; }

/* ── PITCH ── */
.criteria-list { list-style: none; }
.criteria-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
}

.criteria-list li::before {
  content: '✓';
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border); }

.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--dark);
}

.timeline-item .date { color: var(--gold); font-size: 0.78rem; font-weight: 600; margin-bottom: 4px; }
.timeline-item h4 { font-size: 0.9rem; }
.timeline-item p { color: var(--muted); font-size: 0.82rem; }

/* ── TICKETS ── */
.ticket-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}

.ticket-card:hover { transform: translateY(-4px); }

.ticket-card.featured {
  border-color: var(--primary);
  background: linear-gradient(160deg, rgba(124,58,237,0.12), var(--dark3));
  position: relative;
}

.ticket-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: 50px;
}

.ticket-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  margin: 12px 0;
}

.ticket-price span { font-size: 1rem; font-weight: 400; color: var(--muted); }

.ticket-includes { list-style: none; margin: 20px 0; flex: 1; }
.ticket-includes li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ticket-includes li::before { content: '✓'; color: var(--gold); font-weight: 700; }

/* ── SPONSORS PACKAGES ── */
.sponsor-card {
  border-radius: 16px;
  padding: 32px 28px;
  border: 2px solid transparent;
  transition: transform 0.3s;
}

.sponsor-card:hover { transform: translateY(-4px); }

.sponsor-card.platinum {
  background: linear-gradient(160deg, rgba(229,231,235,0.08), var(--dark3));
  border-color: var(--platinum);
}

.sponsor-card.gold {
  background: linear-gradient(160deg, rgba(245,158,11,0.1), var(--dark3));
  border-color: var(--gold);
}

.sponsor-card.silver {
  background: linear-gradient(160deg, rgba(156,163,175,0.08), var(--dark3));
  border-color: var(--silver);
}

.sponsor-card.experience {
  background: linear-gradient(160deg, rgba(124,58,237,0.1), var(--dark3));
  border-color: var(--primary);
}

.sponsor-tier {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sponsor-card.platinum .sponsor-tier { color: var(--platinum); }
.sponsor-card.gold .sponsor-tier { color: var(--gold); }
.sponsor-card.silver .sponsor-tier { color: var(--silver); }
.sponsor-card.experience .sponsor-tier { color: var(--primary); }

.sponsor-price { font-size: 2rem; font-weight: 800; color: var(--white); margin: 10px 0 20px; }

.benefit-list { list-style: none; }
.benefit-list li {
  padding: 7px 0;
  font-size: 0.83rem;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.benefit-list li::before { content: '✦'; color: var(--gold); font-size: 0.6rem; flex-shrink: 0; margin-top: 4px; }

/* ── FORMS ── */
.form-section {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

label { font-size: 0.82rem; font-weight: 500; color: var(--muted); }

input, select, textarea {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  transition: border-color 0.2s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

select option { background: var(--dark3); }
textarea { resize: vertical; min-height: 120px; }

.char-count { font-size: 0.72rem; color: var(--muted); text-align: right; }

/* ── EXHIBITORS ── */
.exhibit-benefit {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.exhibit-benefit-icon {
  width: 44px; height: 44px;
  background: rgba(124,58,237,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ── CONTACT ── */
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-icon {
  width: 44px; height: 44px;
  background: rgba(124,58,237,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.social-links { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}

.social-link:hover { border-color: var(--primary); color: var(--primary); }

/* ── FOOTER ── */
footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 50px 8% 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p { color: var(--muted); font-size: 0.85rem; margin-top: 12px; max-width: 280px; line-height: 1.7; }

.footer-col h4 { font-size: 0.85rem; font-weight: 700; color: var(--white); margin-bottom: 16px; letter-spacing: 0.5px; }

.footer-col a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.83rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { color: var(--muted); font-size: 0.78rem; }

/* ── PAGE HERO ── */
.page-hero {
  padding: 80px 8% 60px;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(124,58,237,0.15) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-hero p { color: var(--muted); margin-top: 12px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ── DIVIDER ── */
.divider { height: 1px; background: var(--border); margin: 0 8%; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
}

@media (max-width: 640px) {
  nav { padding: 16px 5%; }
  .section, .section-sm { padding: 60px 5%; }
  .page-hero { padding: 60px 5% 40px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark2); padding: 20px 5%; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 60px 5%; min-height: auto; }
  .form-section { padding: 24px 20px; }
  .sponsors-strip { padding: 30px 5%; }
}