/* ===== Variables ===== */
:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-elevated: #161616;
  --text: #f0f0f0;
  --text-muted: #888888;
  --accent: #c4a060;
  --accent-hover: #d4b070;
  --border: #222222;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;
  --container: 1200px;
  --radius: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.75rem;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.15em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -8%;
  width: 116%;
  height: 116%;
  background: url('https://images.unsplash.com/photo-1583454110551-21f2fa2afe61?w=1920&q=80') center/cover no-repeat;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg { transition: none; }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(10, 10, 10, 0.95) 0%,
    rgba(10, 10, 10, 0.7) 50%,
    rgba(10, 10, 10, 0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding-top: 72px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}

/* ===== Stats ===== */
.stats {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat {
  text-align: center;
}

.stat-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  color: var(--accent);
}

.stat-icon svg {
  width: 100%;
  height: 100%;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ===== Section labels ===== */
.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

/* ===== Story ===== */
.story {
  padding: 100px 0;
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.story-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
}

.story-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}

.story-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.story-text p:last-child {
  margin-bottom: 0;
}

/* ===== Mission ===== */
.mission {
  padding: 0 0 100px;
}

.mission-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.mission-left {
  padding: 48px;
}

.mission-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  line-height: 1.15;
}

.mission-left > p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.mission-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.feature-icon {
  width: 36px;
  height: 36px;
  color: var(--accent);
  flex-shrink: 0;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature span {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mission-right {
  padding: 48px;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
}

.mission-right h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.progress-wrap {
  margin-bottom: 32px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 15%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 4px;
  transition: width 1s ease;
}

.before-after {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.ba-image {
  flex: 1;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.ba-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
}

.ba-image span {
  position: absolute;
  bottom: 8px;
  left: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.7);
  padding: 4px 10px;
  border-radius: 4px;
}

.ba-arrow {
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
}

.timeline {
  display: flex;
  align-items: center;
  gap: 0;
}

.timeline-point {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.timeline-point span:last-child {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg);
}

.dot.active {
  background: var(--accent);
  border-color: var(--accent);
}

.timeline-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin-bottom: 24px;
}

/* ===== Videos ===== */
.videos {
  padding: 100px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.videos-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.videos-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.05em;
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.video-card {
  transition: transform 0.2s;
}

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

.video-thumb {
  position: relative;
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
}

.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
}

.episode {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 1;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(0,0,0,0.7);
  padding: 2px 8px;
  border-radius: 4px;
}

.video-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

/* ===== About ===== */
.about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 480px;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-card { grid-template-columns: 1fr; }
  .mission-right { border-left: none; border-top: 1px solid var(--border); }
}

@media (max-width: 768px) {
  .nav-links, .nav-youtube { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 16px;
  }

  .story-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-grid { direction: rtl; }
  .about-grid > * { direction: ltr; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .videos-grid { grid-template-columns: 1fr; }

  .hero-content { max-width: 100%; }
  .mission-left, .mission-right { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .mission-features { grid-template-columns: 1fr; }
}