/* === Variables === */
:root {
  --bg: #0d0d12;
  --bg-2: #13131a;
  --bg-card: #1a1a25;
  --fg: #f0ede8;
  --fg-muted: #8a8894;
  --accent: #f59e0b;
  --accent-dim: rgba(245,158,11,0.12);
  --border: rgba(240,237,232,0.08);
  --terminal-green: #4ade80;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === Nav === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 60px;
  display: flex;
  align-items: center;
  background: rgba(13,13,18,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: 1100px; margin: 0 auto; width: 100%; }
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--fg);
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-stat-row {
  display: flex;
  gap: 40px;
}
.hero-stat { display: flex; flex-direction: column; }
.stat-val {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === Terminal === */
.terminal-window {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}
.terminal-bar {
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 6px;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.terminal-body { padding: 24px; }
.t-line {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.78rem;
  margin-bottom: 8px;
  color: var(--fg-muted);
}
.t-comment { color: rgba(240,237,232,0.3); }
.t-target { color: var(--terminal-green); }
.t-research { color: rgba(240,237,232,0.6); }
.t-signal { color: var(--accent); }
.t-write { color: rgba(240,237,232,0.5); }
.t-send { color: rgba(74,222,128,0.7); }
.t-done { color: var(--terminal-green); font-weight: 600; }
.blink { animation: blink 1.2s step-end infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* === How === */
.how { padding: 100px 40px; background: var(--bg-2); }
.how-inner { max-width: 1100px; margin: 0 auto; }
.how-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-dim);
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}
.step-desc { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.6; }

/* === Features === */
.features { padding: 100px 40px; background: var(--bg); }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-header { margin-bottom: 64px; }
.features-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.features-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--fg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-2);
  padding: 36px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card); }
.feature-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-desc { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.65; }

/* === Outcomes === */
.outcomes { padding: 100px 40px; background: var(--bg-2); }
.outcomes-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.outcomes-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.outcomes-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 20px;
}
.outcomes-body { font-size: 1rem; color: var(--fg-muted); line-height: 1.7; margin-bottom: 40px; }
.outcomes-stats { display: flex; gap: 32px; }
.o-stat { display: flex; flex-direction: column; }
.o-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.o-label { font-size: 0.75rem; color: var(--fg-muted); margin-top: 4px; }
.quote-block { padding: 40px; background: var(--bg-card); border-radius: 16px; border: 1px solid var(--border); }
.quote-mark { font-size: 4rem; line-height: 0.5; color: var(--accent); font-family: var(--font-display); margin-bottom: 16px; }
.quote-text { font-size: 1.15rem; line-height: 1.7; color: var(--fg); font-style: italic; margin-bottom: 20px; }
.quote-author { font-size: 0.85rem; color: var(--fg-muted); }

/* === Closing === */
.closing { padding: 120px 40px; background: var(--bg); text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 20px;
}
.closing-sub { font-size: 1.1rem; color: var(--fg-muted); line-height: 1.7; }

/* === Footer === */
.footer { padding: 40px; background: var(--bg-2); border-top: 1px solid var(--border); }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
}
.footer-tagline { font-size: 0.8rem; color: var(--fg-muted); }

/* === Responsive === */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .outcomes-inner { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero { padding: 100px 24px 60px; }
  .how, .features, .outcomes, .closing { padding: 60px 24px; }
  .how-steps { grid-template-columns: 1fr; gap: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-stat-row { gap: 24px; }
  .outcomes-stats { flex-direction: column; gap: 16px; }
  .hero-headline { font-size: 2.6rem; }
}