/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #06091a;
  --navy2: #0d1230;
  --purple: #7c3aed;
  --purple-light: #a855f7;
  --cyan: #22d3ee;
  --cyan-dark: #0891b2;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gradient: linear-gradient(135deg, var(--purple) 0%, var(--cyan-dark) 100%);
  --gradient-text: linear-gradient(90deg, #a855f7, #22d3ee);
  --glass: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.1);
  --font-head: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(6,9,26,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; font-family: var(--font-head);
}
.logo-icon { font-size: 1.5rem; filter: hue-rotate(270deg); }
.logo-text-wrapper { display: flex; flex-direction: column; justify-content: center; }
.logo-text { font-size: 1.4rem; font-weight: 800; color: var(--white); letter-spacing: -0.5px; line-height: 1; }
.logo-subtitle { font-size: 0.55rem; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; margin-top: 2px; }
.logo-accent { color: var(--purple-light); }
.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
}
.nav-link {
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--white); }
.nav-cta {
  background: var(--gradient); color: var(--white);
  padding: 10px 22px; border-radius: 50px;
  text-decoration: none; font-weight: 600; font-size: 0.875rem;
  transition: opacity var(--transition), transform var(--transition);
}
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('hero-bg.png') center/cover no-repeat;
  opacity: 0.35;
}
#particles-canvas { position: absolute; inset: 0; pointer-events: none; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(6,9,26,0.4) 0%, rgba(6,9,26,0.7) 60%, var(--navy) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 860px; padding: 120px 24px 60px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  padding: 8px 20px; border-radius: 50px;
  font-size: 0.825rem; color: var(--gray-300); margin-bottom: 24px;
  animation: fadeInDown 0.8s ease both;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.6;transform:scale(1.3)} }
.hero-title {
  font-family: var(--font-head); font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -2px;
  margin-bottom: 12px;
  animation: fadeInUp 0.8s 0.1s ease both;
}
.hero-title-gradient {
  background: var(--gradient-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-tagline {
  font-family: var(--font-head); font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300; letter-spacing: 4px; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 20px;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero-description {
  font-size: 1.1rem; color: rgba(255,255,255,0.75);
  max-width: 620px; margin: 0 auto 36px;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  flex-wrap: wrap; margin-bottom: 56px;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  transition: all var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: var(--gradient); color: var(--white);
  box-shadow: 0 8px 32px rgba(124,58,237,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 48px rgba(124,58,237,0.5); }
.btn-secondary {
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); color: var(--white);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 0;
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); border-radius: var(--radius);
  padding: 20px 40px; max-width: fit-content; margin: 0 auto;
  animation: fadeInUp 0.8s 0.5s ease both;
}
.stat { text-align: center; padding: 0 32px; }
.stat-value {
  display: block; font-family: var(--font-head); font-size: 2rem;
  font-weight: 800; color: var(--white);
}
.stat-plus, .stat-day { color: var(--purple-light); font-size: 1.2rem; }
.stat-label { font-size: 0.8rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 1px; }
.stat-divider { width: 1px; height: 40px; background: var(--glass-border); }
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.4); font-size: 0.75rem; letter-spacing: 1px;
  animation: fadeIn 1.5s 1s both;
}
.scroll-arrow {
  width: 20px; height: 20px; border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce-arrow 1.5s infinite;
}
@keyframes bounce-arrow { 0%,100%{transform:rotate(45deg) translateY(0)} 50%{transform:rotate(45deg) translateY(4px)} }

/* ===== COUNTDOWN ===== */
.countdown-section {
  background: linear-gradient(135deg, var(--purple) 0%, var(--cyan-dark) 100%);
  padding: 40px 0;
}
.countdown-section .container {
  display: flex; align-items: center; justify-content: center;
  gap: 40px; flex-wrap: wrap;
}
.countdown-label {
  font-family: var(--font-head); font-size: 1rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 3px; color: rgba(255,255,255,0.8);
}
.countdown-grid { display: flex; align-items: center; gap: 0; }
.countdown-unit { text-align: center; padding: 0 20px; }
.countdown-value {
  display: block; font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1;
}
.countdown-unit-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; opacity: 0.7; }
.countdown-sep {
  font-size: 2rem; font-weight: 900; opacity: 0.5; margin-bottom: 12px;
}

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-label {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 3px; color: var(--purple-light);
  margin-bottom: 12px;
}
.section-label.light { color: rgba(255,255,255,0.6); }
.section-title {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -1px;
  margin-bottom: 60px;
}
.section-title.light { color: var(--white); }
.gradient-text {
  background: var(--gradient-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-text-light { color: var(--cyan); }

/* ===== ABOUT ===== */
.about-section { background: var(--navy2); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: start;
}
.about-lead { font-size: 1.15rem; font-weight: 500; color: var(--gray-100); margin-bottom: 20px; }
.about-body { color: var(--gray-300); margin-bottom: 36px; }
.about-pillars { display: flex; flex-direction: column; gap: 20px; }
.pillar {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--glass); border: 1px solid var(--glass-border);
  padding: 16px 20px; border-radius: 12px;
}
.pillar-icon { font-size: 1.4rem; flex-shrink: 0; }
.pillar strong { display: block; font-weight: 600; margin-bottom: 2px; }
.pillar p { font-size: 0.875rem; color: var(--gray-500); }
.about-visual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.about-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 24px;
  transition: all var(--transition);
  cursor: default;
}
.about-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.4);
  box-shadow: 0 16px 40px rgba(124,58,237,0.15);
}
.about-card-icon { font-size: 2rem; margin-bottom: 12px; }
.about-card h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.about-card p { font-size: 0.825rem; color: var(--gray-500); }

/* ===== THEMES ===== */
.themes-section { background: var(--navy); }
.themes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.theme-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px 28px;
  position: relative; overflow: hidden;
  transition: all var(--transition);
}
.theme-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient); opacity: 0;
  transition: opacity var(--transition);
}
.theme-card:hover { transform: translateY(-6px); border-color: rgba(124,58,237,0.5); }
.theme-card:hover::before { opacity: 0.06; }
.theme-number {
  position: absolute; top: 20px; right: 20px;
  font-family: var(--font-head); font-size: 3rem; font-weight: 900;
  color: rgba(255,255,255,0.04); line-height: 1;
}
.theme-icon { font-size: 2.2rem; margin-bottom: 16px; }
.theme-card h3 {
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 700;
  margin-bottom: 10px;
}
.theme-card p { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 20px; }
.theme-tag {
  display: inline-block; padding: 4px 12px; border-radius: 50px;
  background: rgba(124,58,237,0.15); border: 1px solid rgba(124,58,237,0.3);
  color: var(--purple-light); font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
}

/* ===== SPEAKERS ===== */
.speakers-section { background: var(--navy2); }
.speakers-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: 32px;
}
.speaker-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px; text-align: center;
  transition: all var(--transition);
}
.speaker-card:hover { transform: translateY(-4px); border-color: rgba(124,58,237,0.4); }
.speaker-avatar { margin-bottom: 20px; }
.avatar-placeholder {
  width: 96px; height: 96px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(34,211,238,0.3));
  border: 2px dashed rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto; font-size: 0.75rem; color: var(--gray-500);
  font-weight: 600; letter-spacing: 1px;
}
.speaker-name { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.speaker-role { color: var(--purple-light); font-size: 0.825rem; font-weight: 500; margin-bottom: 12px; }
.speaker-bio { font-size: 0.825rem; color: var(--gray-500); }
.speakers-coming-soon { text-align: center; color: var(--gray-500); font-size: 0.9rem; }
.inline-link { color: var(--purple-light); text-decoration: underline; }

/* ===== SCHEDULE ===== */
.schedule-section { background: var(--navy); }
.schedule-timeline { max-width: 760px; position: relative; }
.schedule-timeline::before {
  content: ''; position: absolute; left: 110px; top: 0; bottom: 0;
  width: 1px; background: var(--glass-border);
}
.timeline-item { display: flex; gap: 0; margin-bottom: 32px; align-items: flex-start; }
.timeline-time {
  width: 100px; padding-top: 20px; flex-shrink: 0;
  font-size: 0.8rem; font-weight: 600; color: var(--gray-500);
  text-align: right; padding-right: 20px;
}
.timeline-content { position: relative; flex: 1; padding-left: 30px; }
.timeline-dot {
  position: absolute; left: -6px; top: 24px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gray-700); border: 2px solid var(--navy);
}
.timeline-dot-featured { background: var(--purple); box-shadow: 0 0 12px rgba(124,58,237,0.6); }
.timeline-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 20px 24px;
  transition: all var(--transition);
}
.timeline-card:hover { border-color: rgba(124,58,237,0.3); }
.timeline-card-featured { border-color: rgba(124,58,237,0.3); background: rgba(124,58,237,0.08); }
.timeline-card h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.timeline-card p { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 12px; }
.timeline-tag {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  color: var(--cyan); background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.2);
  padding: 3px 10px; border-radius: 50px;
}
.schedule-note { margin-top: 32px; font-size: 0.825rem; color: var(--gray-700); font-style: italic; }

/* ===== DASHBOARD ===== */
.dashboard-section { background: var(--navy2); position: relative; min-height: 80vh; }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 20px; }
.dashboard-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px;
}
.dashboard-card h3 { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.dashboard-card p { font-size: 0.9rem; color: var(--gray-300); margin-bottom: 24px; }
.payment-card { border-color: rgba(34,211,238,0.3); background: rgba(34,211,238,0.05); }
.payment-status-badge { display: inline-block; padding: 6px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; margin-bottom: 16px; }
.badge-paid { background: rgba(34,211,238,0.2); color: var(--cyan); border: 1px solid var(--cyan); }
.badge-unpaid { background: rgba(244,63,94,0.2); color: #f43f5e; border: 1px solid #f43f5e; }
.mt-16 { margin-top: 16px; }

/* ===== ADMIN PANEL ===== */
.admin-section { background: var(--navy); border-top: 1px solid var(--glass-border); min-height: 80vh; }
.admin-label { color: #f43f5e !important; }
.admin-table-wrapper { overflow-x: auto; background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); margin-top: 24px; }
.admin-table { width: 100%; border-collapse: collapse; text-align: left; }
.admin-table th, .admin-table td { padding: 16px 24px; border-bottom: 1px solid var(--glass-border); font-size: 0.9rem; }
.admin-table th { font-family: var(--font-head); font-weight: 600; color: var(--gray-300); text-transform: uppercase; letter-spacing: 1px; font-size: 0.75rem; }
.admin-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.btn-sm { padding: 6px 12px; font-size: 0.75rem; border-radius: 4px; border: none; cursor: pointer; font-weight: 600; transition: var(--transition); }
.btn-toggle-paid { background: rgba(34,211,238,0.15); color: var(--cyan); border: 1px solid var(--cyan); }
.btn-toggle-unpaid { background: rgba(244,63,94,0.15); color: #f43f5e; border: 1px solid #f43f5e; }
.btn-sm:hover { filter: brightness(1.2); }

/* ===== AUTH MODAL ===== */
.modal { position: fixed; inset: 0; background: rgba(6,9,26,0.8); backdrop-filter: blur(8px); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 1; transition: opacity var(--transition); }
.modal.hidden { opacity: 0; pointer-events: none; }
.modal-content { background: var(--navy2); border: 1px solid rgba(124,58,237,0.3); border-radius: var(--radius); padding: 40px; width: 100%; max-width: 440px; position: relative; transform: translateY(0); transition: transform var(--transition); box-shadow: 0 24px 64px rgba(0,0,0,0.5); }
.modal.hidden .modal-content { transform: translateY(20px); }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; color: var(--gray-500); font-size: 1.5rem; cursor: pointer; transition: color var(--transition); }
.modal-close:hover { color: var(--white); }
.auth-title { font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; margin-bottom: 8px; text-align: center; }
.auth-subtitle { text-align: center; color: var(--gray-300); margin-bottom: 32px; font-size: 0.95rem; }
.w-full { width: 100%; justify-content: center; }
.google-btn { background: var(--white); color: #333; border: 1px solid #ddd; }
.google-btn:hover { background: #f9f9f9; transform: translateY(-1px); }
.auth-divider { display: flex; align-items: center; margin: 24px 0; color: var(--gray-500); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--glass-border); }
.auth-divider span { padding: 0 16px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form .form-group { display: flex; flex-direction: column; gap: 8px; }
.auth-form label { font-size: 0.825rem; font-weight: 600; color: var(--gray-300); }
.auth-form input { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 10px; padding: 12px 16px; color: var(--white); font-family: var(--font-body); font-size: 0.9rem; outline: none; transition: border-color var(--transition); }
.auth-form input:focus { border-color: var(--purple-light); }
.auth-error { background: rgba(244,63,94,0.1); color: #f43f5e; border: 1px solid rgba(244,63,94,0.2); padding: 12px; border-radius: 8px; font-size: 0.85rem; margin-top: 16px; text-align: center; }
.btn-logout { background: none; border: none; font-family: inherit; font-size: 0.9rem; cursor: pointer; padding: 0; }
.admin-link { color: #f43f5e !important; font-weight: 600; }

/* ===== FOOTER ===== */
.footer { background: #03050f; padding: 64px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr; gap: 64px; margin-bottom: 48px; }
.footer-tagline { color: var(--purple-light); font-size: 0.85rem; margin: 12px 0 8px; }
.footer-desc { color: var(--gray-700); font-size: 0.85rem; max-width: 280px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-col h4 { font-family: var(--font-head); font-size: 0.85rem; font-weight: 700; margin-bottom: 16px; color: var(--gray-300); text-transform: uppercase; letter-spacing: 1px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--gray-700); text-decoration: none; font-size: 0.875rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--glass-border); padding-top: 24px;
  display: flex; justify-content: space-between;
  font-size: 0.8rem; color: var(--gray-700);
}
.footer-bottom a { color: var(--purple-light); text-decoration: none; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeInUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

.animate-in { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.animate-in.visible { opacity: 1; transform: translateY(0); }

/* ===== UTILITIES ===== */
.hidden { display: none !important; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .themes-grid { grid-template-columns: 1fr 1fr; }
  .speakers-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 64px; left: 0; right: 0; background: rgba(6,9,26,0.98);
    padding: 24px; gap: 20px; border-bottom: 1px solid var(--glass-border);
  }
  .nav-hamburger { display: flex; }
  .themes-grid { grid-template-columns: 1fr; }
  .hero-stats { padding: 16px 20px; }
  .stat { padding: 0 16px; }
  .form-row { grid-template-columns: 1fr; }
  .schedule-timeline::before { left: 90px; }
  .timeline-time { width: 80px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}