:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-elevated: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.12);
  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.15);
  --red-soft: rgba(239, 68, 68, 0.12);
  --red-muted: #f87171;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-inner {
  flex: 1;
  max-width: 560px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

.hero-visual {
  flex: 0 0 400px;
}

.ticket-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.ticket-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--accent));
}

.ticket-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.ticket-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(34,197,94,0.4);
}

.ticket-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.02em;
}

.ticket-q {
  font-style: italic;
  color: var(--fg-muted);
  margin-bottom: 14px;
  font-size: 0.95rem;
  padding-left: 12px;
  border-left: 2px solid var(--border);
}

.ticket-a {
  font-size: 0.95rem;
  color: var(--fg);
  line-height: 1.65;
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
  background: var(--bg-card);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 50px;
  letter-spacing: -0.02em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.problem-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* HOW */
.how {
  padding: 100px 24px;
}

.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.how-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 50px;
}

.how-sub em {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.how-item {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.how-item:hover {
  border-color: rgba(249,115,22,0.3);
}

.how-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  background: var(--accent-soft);
  border-radius: 10px;
}

.how-item h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.how-item p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* NUMBERS */
.numbers {
  padding: 100px 24px;
  background: var(--bg-card);
}

.numbers-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.numbers-text {
  flex: 1;
}

.numbers-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.numbers-text p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.numbers-compare {
  flex: 1;
  display: flex;
  gap: 16px;
}

.compare-col {
  flex: 1;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.compare-col.human {
  background: var(--red-soft);
}

.compare-col.ai {
  background: var(--green-soft);
}

.compare-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.human .compare-title {
  color: var(--red-muted);
}

.ai .compare-title {
  color: var(--green);
}

.compare-col ul {
  list-style: none;
}

.compare-col li {
  font-size: 0.88rem;
  padding: 6px 0;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}

.compare-col li:last-child {
  border-bottom: none;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.75;
}

/* FOOTER */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

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

.footer-note a {
  color: var(--accent);
  text-decoration: none;
}

.footer-note a:hover {
  text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    min-height: auto;
    padding: 60px 20px 40px;
    gap: 40px;
  }

  .hero-visual {
    flex: none;
    width: 100%;
  }

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

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

  .numbers-inner {
    flex-direction: column;
    gap: 32px;
  }

  .numbers-compare {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}