@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@200;300;400;500;600;700;800;900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');

:root {
  --bg: #020014;
  --bg-alt: #0a0520;
  --surface: rgba(255,255,255,0.02);
  --surface-hover: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.12);
  --primary: #a855f7;
  --primary-dark: #7c3aed;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --pink: #ec4899;
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.45);
  --text-dim: rgba(255,255,255,0.25);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  --glow-purple: 0 0 30px rgba(168,85,247,0.15);
  --glow-cyan: 0 0 30px rgba(6,182,212,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(168,85,247,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(6,182,212,0.04) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(245,158,11,0.02) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

/* Floating Nav */
header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: rgba(2,0,20,0.7);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border: 1px solid var(--border);
  border-radius: 60px;
  padding: 10px 32px;
  width: 92%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

header.scrolled { background: rgba(2,0,20,0.85); }

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  text-decoration: none;
  color: #fff;
}

.logo-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #fff;
  animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(168,85,247,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(168,85,247,0); }
}

nav { display: flex; align-items: center; gap: 4px; }

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 30px;
  transition: var(--transition);
  position: relative;
}

nav a:hover, nav a.active {
  color: #fff;
  background: rgba(255,255,255,0.04);
}

nav a.active { background: rgba(168,85,247,0.12); color: var(--primary); }

/* ===== FIXED BOTTOM PLAYER ===== */
.player-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  background: rgba(2,0,20,0.78);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border: 1px solid var(--border);
  border-radius: 60px;
  padding: 10px 24px 10px 18px;
  width: 92%;
  max-width: 700px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.player-left { display: flex; align-items: center; gap: 12px; }

.player-thumb {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1.5px solid var(--primary);
}

.player-thumb img { width:100%; height:100%; object-fit:cover; }

.player-info span {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--secondary);
  line-height: 1.2;
}

.player-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
}

.player-center {
  display: flex;
  align-items: center;
  gap: 14px;
}

.player-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.85rem;
}

.player-btn:hover { color: #fff; background: var(--surface-hover); }

.player-btn.play-btn {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 0 20px rgba(168,85,247,0.2);
}

.player-btn.play-btn:hover { transform: scale(1.08); }

.player-right { display: flex; align-items: center; gap: 10px; }

.player-volume {
  width: 60px;
  height: 3px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  outline: none;
}

.player-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

/* ===== CONTENT WRAPPER ===== */
main {
  position: relative;
  z-index: 1;
  padding: 100px 0 120px;
}

.container {
  width: 90%;
  max-width: 1160px;
  margin: 0 auto;
}

/* ===== HERO ===== */
.hero {
  text-align: center;
  padding: 80px 0 60px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.15);
  color: var(--secondary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--secondary);
  animation: dot-blink 1.2s ease-in-out infinite;
}

@keyframes dot-blink {
  0%,100% { opacity: 0.3; }
  50% { opacity: 1; box-shadow: 0 0 8px var(--secondary); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 4s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto 32px;
}

.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--glow-purple);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(168,85,247,0.3);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), #0e7490);
  color: #fff;
  box-shadow: var(--glow-cyan);
}

.btn-secondary:hover { transform: translateY(-3px); }

.btn-outline {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover { background: var(--surface-hover); border-color: var(--text-muted); }

/* ===== SECTION ===== */
.section { padding: 70px 0; }

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
  font-size: 1rem;
}

.section-header .line {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  margin: 14px auto 0;
}

/* ===== CARD GRID ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  top: -1px; left: 10%; width: 80%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-8px);
  background: var(--surface-hover);
}

.card:hover::after { opacity: 1; }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(168,85,247,0.08), rgba(6,182,212,0.08));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.card:hover .card-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-color: transparent;
}

.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }

.card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }

/* ===== ABOUT PAGE ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.about-visual img {
  width: 100%; display: block;
  transition: var(--transition);
}

.about-visual:hover img { transform: scale(1.04); }

.about-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }

.about-text p { color: var(--text-muted); margin-bottom: 14px; line-height: 1.8; }

.stats-track {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
  margin-top: 50px;
}

.stat-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 14px;
  text-align: center;
  transition: var(--transition);
}

.stat-pill:hover { border-color: var(--border-strong); transform: translateY(-4px); }

.stat-num {
  display: block;
  font-size: 1.9rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== SCHEDULE ===== */
.schedule-grid { display: grid; gap: 30px; }

.sched-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.sched-block:hover { border-color: var(--border-strong); }

.sched-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.sched-top h3 { font-size: 1.3rem; font-weight: 700; }

.sched-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 16px;
  border-radius: 50px;
  background: rgba(168,85,247,0.1);
  color: var(--primary);
  border: 1px solid rgba(168,85,247,0.15);
}

.entry {
  display: flex;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  transition: var(--transition);
}

.entry:last-child { border-bottom: none; }
.entry:hover { padding-left: 8px; }

.entry-time {
  min-width: 110px;
  font-weight: 700;
  color: var(--secondary);
  font-size: 0.85rem;
}

.entry-info h4 { font-size: 1rem; font-weight: 600; }
.entry-info p { font-size: 0.82rem; color: var(--text-muted); }

/* ===== PRESENTERS ===== */
.presenter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.p-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.p-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-8px);
}

.p-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}

.p-card:hover .p-img { transform: scale(1.06); }

.p-body {
  padding: 22px 22px 26px;
  text-align: center;
}

.p-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 2px; }

.p-role {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 8px;
}

.p-body p { color: var(--text-muted); font-size: 0.85rem; }

.p-socials {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.p-socials a {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: var(--transition);
}

.p-socials a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ===== FORM ===== */
.form-master {
  max-width: 580px;
  margin: 0 auto;
}

.form-glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.fg { margin-bottom: 22px; }

.fg label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.fg input, .fg textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  color: #fff;
  font-family: inherit;
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

.fg input:focus, .fg textarea:focus {
  border-color: var(--primary);
  background: rgba(168,85,247,0.04);
  box-shadow: 0 0 0 3px rgba(168,85,247,0.06);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
}

.contact-list { display: grid; gap: 14px; margin-bottom: 24px; }

.contact-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  transition: var(--transition);
}

.contact-card:hover { border-color: var(--border-strong); }

.contact-card i {
  font-size: 1.2rem;
  color: var(--primary);
  margin-top: 2px;
}

.contact-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; }
.contact-card p { color: var(--text-muted); font-size: 0.85rem; }

.map-card {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 180px;
  position: relative;
}

.map-card img { width:100%; height:100%; object-fit:cover; }

.map-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.3);
}

.map-overlay i { font-size: 1.8rem; color: var(--secondary); margin-bottom: 4px; }
.map-overlay span { font-size: 0.8rem; color: var(--text-muted); }

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 30px 0 100px;
  border-top: 1px solid var(--border);
  margin-top: 50px;
  position: relative;
  z-index: 1;
}

footer p { color: var(--text-muted); font-size: 0.85rem; }

.footer-links {
  display: flex; justify-content: center; gap: 14px; margin-top: 14px;
}

.footer-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(168,85,247,0.04);
  transform: translateY(-3px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-track { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  header {
    top: 12px;
    padding: 8px 16px;
    border-radius: 30px;
  }
  nav { gap: 2px; }
  nav a { font-size: 0.72rem; padding: 6px 10px; }
  .hero h1 { font-size: 2.4rem; }
  .player-bar {
    bottom: 12px;
    padding: 8px 14px;
    border-radius: 30px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .player-volume { display: none; }
  main { padding: 80px 0 140px; }
  .card-grid, .presenter-grid { grid-template-columns: 1fr; }
  .entry { flex-direction: column; gap: 2px; }
  .entry-time { min-width: auto; }
}