:root {
  --bg: #0a0a0c;
  --bg-elevated: #111114;
  --bg-card: #16161a;
  --fg: #e2ded6;
  --fg-muted: #8a8680;
  --fg-dim: #5a5650;
  --accent: #c9a84c;
  --accent-glow: rgba(201, 168, 76, 0.15);
  --accent-soft: #a68a3a;
  --teal: #2d8a6e;
  --teal-soft: rgba(45, 138, 110, 0.15);
  --red-warn: #c0503a;
  --red-warn-bg: rgba(192, 80, 58, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content { position: relative; z-index: 1; max-width: 700px; }

.hero-tag {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 16px;
  margin-top: 56px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 20px 24px;
  min-width: 160px;
  text-align: left;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  margin-bottom: 10px;
}

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

.stat-value.big {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-top: 4px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  margin-bottom: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  border-radius: 3px;
  transition: width 1s ease;
}

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

.problem-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--fg);
}

.problem-desc {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 48px;
}

.tool-stack {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tool-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  text-align: center;
}

.tool-name {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
}

.tool-for {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin-top: 2px;
}

.tool-plus {
  font-size: 1.4rem;
  color: var(--fg-dim);
  font-weight: 300;
}

.problem-punchline {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
}

/* ---- FEATURES ---- */
.features {
  padding: 100px 24px;
}

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

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

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

.feature-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.feature-text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 16px;
}

.feature-text p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.demo-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  font-size: 0.85rem;
}

.demo-card.dark { background: var(--bg); }

.demo-header {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.demo-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.demo-row span:first-child {
  color: var(--fg-dim);
  font-weight: 500;
}

.demo-row span:last-child {
  color: var(--fg-muted);
  text-align: right;
}

.demo-row.warn span:last-child {
  color: var(--red-warn);
  font-weight: 500;
}

.mini-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.mini-progress span:first-child {
  width: 100px;
  font-size: 0.8rem;
  color: var(--fg-dim);
  flex-shrink: 0;
}

.mini-progress span:last-child {
  width: 36px;
  text-align: right;
  font-size: 0.8rem;
  color: var(--fg-muted);
  flex-shrink: 0;
}

.mini-bar {
  flex: 1;
  height: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.mini-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

.stage-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stage {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  color: var(--fg-dim);
  font-size: 0.85rem;
}

.stage-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--fg-dim);
  flex-shrink: 0;
}

.stage.done { color: var(--fg-muted); }
.stage.done .stage-dot {
  background: var(--teal);
  border-color: var(--teal);
}

.stage.active { color: var(--accent); font-weight: 600; }
.stage.active .stage-dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ---- AUDIENCE ---- */
.audience {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.audience-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.audience h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  margin-bottom: 48px;
}

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

.audience-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px;
}

.audience-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
}

.audience-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.audience-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

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

.closing-inner {
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 24px;
}

.closing h2 em {
  font-style: italic;
  color: var(--accent);
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.closing-tagline {
  font-weight: 600;
  color: var(--fg) !important;
  font-size: 1.1rem !important;
  margin-top: 32px !important;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 32px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

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

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

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .feature-block,
  .feature-block.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
    direction: ltr;
  }

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

  .tool-stack {
    flex-direction: column;
    gap: 8px;
  }

  .tool-plus { display: none; }

  .hero-visual {
    flex-direction: column;
    align-items: center;
  }

  .stat-card { width: 100%; max-width: 280px; }

  .hero { padding: 60px 20px 40px; min-height: auto; }
  .problem, .features, .audience, .closing { padding: 64px 20px; }
  .feature-block { margin-bottom: 48px; }
}