:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-elevated: #1a1a26;
  --fg: #e8e6e1;
  --fg-muted: #8a8890;
  --accent: #c4ff4e;
  --accent-dim: #8fb83a;
  --accent-glow: rgba(196, 255, 78, 0.15);
  --warm: #ff6b4a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 6rem 5vw 4rem;
  overflow: hidden;
}

.hero-grain {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(196, 255, 78, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(255, 107, 74, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(196, 255, 78, 0.2);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
  display: block;
}

.lede {
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.65;
  font-weight: 300;
}

/* ─── ORBIT VISUAL ─── */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
}

.platform-orbit {
  position: relative;
  width: 380px;
  height: 380px;
}

.orbit-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(196, 255, 78, 0.1);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.orbit-ring.ring-2 {
  inset: 50px;
  animation-duration: 25s;
  animation-direction: reverse;
  border-color: rgba(255, 107, 74, 0.1);
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: var(--bg-elevated);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
}

.platform-tag {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
  animation: counter-spin 30s linear infinite;
}

.ring-2 .platform-tag {
  animation-duration: 25s;
  animation-direction: reverse;
}

.ring-1 .tag-yt { top: -12px; left: 50%; transform: translateX(-50%); color: #ff4444; }
.ring-1 .tag-ig { bottom: 30px; right: -20px; color: #e040fb; }
.ring-1 .tag-tk { bottom: 30px; left: -10px; color: #00f2ea; }
.ring-2 .tag-x { top: -12px; left: 50%; transform: translateX(-50%); color: var(--fg); }
.ring-2 .tag-li { bottom: 15px; right: -5px; color: #0a66c2; }
.ring-2 .tag-nl { bottom: 15px; left: -10px; color: var(--accent); }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes counter-spin { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }

/* ─── PROBLEM ─── */
.problem {
  padding: 8rem 5vw;
  background: var(--bg-surface);
}

.problem-content {
  max-width: 1000px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-label {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.problem-punchline {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 600px;
}

.problem-punchline em {
  color: var(--warm);
  font-style: normal;
  font-weight: 500;
}

/* ─── HOW ─── */
.how {
  padding: 8rem 5vw;
}

.how-content {
  max-width: 900px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(196, 255, 78, 0.2);
  line-height: 1;
}

.step-detail h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-detail p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 550px;
}

/* ─── FEATURES ─── */
.features {
  padding: 6rem 5vw 8rem;
  background: var(--bg-surface);
}

.features-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}

.feature-row:nth-child(2) {
  grid-template-columns: 1fr 1.4fr;
}

.feature-card {
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(196, 255, 78, 0.2);
}

.feature-icon {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ─── CLOSING ─── */
.closing {
  padding: 10rem 5vw;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  font-weight: 300;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 3rem 5vw;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}

.footer-note {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 5rem 6vw 3rem;
    gap: 4rem;
  }

  .hero-visual { order: -1; }

  .platform-orbit {
    width: 280px;
    height: 280px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .step {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }

  .step-num { font-size: 2rem; }

  .feature-row,
  .feature-row:nth-child(2) {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}