:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e6e1;
  --fg-muted: #8a8a95;
  --accent: #e8a838;
  --accent-glow: rgba(232, 168, 56, 0.15);
  --accent-soft: #c8892e;
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --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;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-glow), transparent);
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid rgba(232, 168, 56, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  max-width: 800px;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.lede {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 60px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(232, 168, 56, 0.2);
}

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
  text-align: center;
}

.features-inner > h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  margin-bottom: 80px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

.feature-text h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 14px;
}

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

/* Terminal mock */
.terminal {
  background: #0d0d14;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  max-width: 85%;
}

.msg.guest {
  background: rgba(255, 255, 255, 0.06);
  align-self: flex-start;
}

.msg.agent {
  background: rgba(232, 168, 56, 0.12);
  color: var(--accent);
  align-self: flex-end;
  border: 1px solid rgba(232, 168, 56, 0.2);
}

/* Price chart */
.price-chart {
  background: #0d0d14;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.chart-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 160px;
}

.bar {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: background 0.3s;
}

.bar span {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--fg-muted);
}

.bar.accent-bar {
  background: var(--accent);
}

/* Timeline */
.timeline {
  padding: 8px 0;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  position: relative;
}

.timeline-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 36px;
  width: 2px;
  height: calc(100% - 24px);
  background: var(--border);
}

.timeline-item.done .tl-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.timeline-item.active .tl-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent-glow);
}

.tl-text {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.timeline-item.done .tl-text { color: var(--fg); }
.timeline-item.active .tl-text { color: var(--accent); font-weight: 500; }

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

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

.how-inner .section-label { text-align: center; }

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  margin-bottom: 60px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: start;
}

.comp-col {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.comp-col.new {
  border-color: rgba(232, 168, 56, 0.3);
  background: linear-gradient(135deg, var(--bg-elevated), rgba(232, 168, 56, 0.04));
}

.comp-header {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.comp-col.old .comp-header { color: var(--fg-muted); }
.comp-col.new .comp-header { color: var(--accent); }

.comp-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comp-col.old li {
  color: var(--fg-muted);
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
}

.comp-col.old li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--fg-muted);
}

.comp-col.new li {
  color: var(--fg);
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
}

.comp-col.new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.comp-vs {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg-muted);
  padding-top: 36px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% 110%, var(--accent-glow), transparent);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-sub {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 60px 20px 40px; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 20px; }
  .stat-divider { width: 40px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-row, .feature-row.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .feature-row.reverse > * { direction: ltr; }
  .comparison {
    grid-template-columns: 1fr;
  }
  .comp-vs {
    text-align: center;
    padding-top: 0;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .problem h2, .features-inner > h2, .how h2, .closing h2 { font-size: 1.5rem; }
  .problem-card { padding: 24px; }
}