:root {
  --bg-color: #05050f;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --accent-primary: #6366f1;
  --accent-secondary: #a855f7;
  --accent-tertiary: #14b8a6;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Effects */
.blob-bg {
  position: fixed;
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  filter: blur(80px);
}

.blob-2 {
  top: 40%;
  left: 60%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(0,0,0,0) 70%);
}

/* Typography */
h1, h2, h3, h4, .logo {
  font-family: var(--font-heading);
}

.highlight {
  color: var(--accent-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: shine 5s linear infinite;
}

@keyframes shine {
  to { background-position: 200% center; }
}

/* Header */
.glass-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(5, 5, 15, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: transform 0.3s ease;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
}

nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--accent-secondary);
}

/* Buttons */
.btn-primary, .btn-primary-outline, .btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary-outline {
  border: 1px solid var(--accent-primary);
  color: var(--text-primary);
}

.btn-primary-outline:hover {
  background: rgba(99, 102, 241, 0.1);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Sections */
section {
  padding: 6rem 2rem;
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  font-weight: 700;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 5rem;
}

.hero-content {
  max-width: 800px;
  animation: fadeUp 1s ease-out forwards;
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(20, 184, 166, 0.1);
  color: var(--accent-tertiary);
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Glass Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    800px circle at var(--mouse-x, -500px) var(--mouse-y, -500px),
    rgba(255, 255, 255, 0.06),
    transparent 40%
  );
  z-index: -1;
  pointer-events: none;
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

/* Vision */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #fff;
}

.card p {
  color: var(--text-secondary);
}

/* Event */
.event-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media(min-width: 768px) {
  .event-details {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.date-large {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-secondary);
  margin-top: 0.5rem;
}

.event-format ul {
  list-style: none;
  margin-top: 1rem;
}

.event-format li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
}

.event-format li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-tertiary);
}

.event-format strong {
  color: #fff;
}

/* Submission */
.submit-card {
  text-align: center;
  padding: 4rem 2rem;
}

.timeline {
  margin: 4rem auto;
  max-width: 600px;
  text-align: left;
}

.timeline-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 45px;
  bottom: -20px;
  width: 2px;
  background: var(--glass-border);
}

.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  z-index: 1;
}

.timeline-content h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: var(--text-secondary);
}

.cta-container {
  margin-top: 2rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 3rem 2rem;
  text-align: center;
  background: rgba(0,0,0,0.5);
}

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

.footer-container .logo {
  margin-bottom: 1rem;
}

.footer-container p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.copyright {
  color: #6b7280;
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.2s;
}

/* Responsive */
@media(max-width: 768px) {
  nav {
    display: none;
  }
  .cta-group {
    flex-direction: column;
  }
  .section-title {
    font-size: 2rem;
  }
}
