/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080810;
  --surface: #0F0F1A;
  --surface-2: #14142B;
  --accent: #00D4FF;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent-glow: rgba(0, 212, 255, 0.08);
  --purple: #7B2FBE;
  --purple-dim: rgba(123, 47, 190, 0.12);
  --text: #E8E8F0;
  --text-muted: rgba(232, 232, 240, 0.45);
  --text-dim: rgba(232, 232, 240, 0.25);
  --border: rgba(255, 255, 255, 0.07);
  --border-accent: rgba(0, 212, 255, 0.2);
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { font-size: 16px; }

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

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(8, 8, 16, 0.7);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-badge {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}

/* ===== SECTION LABELS ===== */
.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.85;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2.5rem 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.06) 0%, transparent 65%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.07) 0%, transparent 70%);
  top: 10%;
  right: 5%;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123, 47, 190, 0.09) 0%, transparent 70%);
  bottom: 15%;
  left: 8%;
}

.hero-content {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.5rem;
  opacity: 0.8;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.05em;
}

.hero-line-1 { color: var(--text); }
.hero-line-2 { color: var(--text-muted); }
.hero-line-3 {
  background: linear-gradient(135deg, var(--accent) 0%, #00FFC8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 540px;
  margin: 0 auto;
}

/* ===== STATS ===== */
.stats {
  padding: 3.5rem 2.5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.stats-grid {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 0.5rem 2rem;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.4;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 8rem 2.5rem;
  background: var(--bg);
}

.problem-inner {
  max-width: 860px;
  margin: 0 auto;
}

.problem-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 4rem;
}

.problem-split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.problem-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.problem-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.problem-item {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.problem-footnote {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-dim);
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  line-height: 1.6;
}

.problem-footnote strong {
  color: var(--accent);
  font-weight: 600;
}

/* ===== FEATURES ===== */
.features {
  padding: 8rem 2.5rem;
  background: var(--surface);
}

.features-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 4rem;
  max-width: 600px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  background: var(--surface);
  padding: 0;
}

.feature-card-inner {
  padding: 3rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.2s;
}

.feature-card:hover .feature-card-inner {
  background: var(--surface-2);
}

.feature-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  opacity: 0.6;
}

.feature-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.25;
}

.feature-desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.feature-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  margin-top: 0.5rem;
  width: fit-content;
}

/* ===== DIFFERENTIATOR ===== */
.diff {
  padding: 8rem 2.5rem;
  background: var(--bg);
}

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

.diff-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 3.5rem;
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.diff-col {
  background: var(--surface);
  padding: 2.5rem 2.5rem 2.5rem;
}

.diff-col-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.diff-title-agency { color: var(--text-dim); }
.diff-title-pulse { color: var(--accent); }

.diff-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }

.diff-item {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.4;
  padding-left: 1.5rem;
  position: relative;
}

.diff-list-agency .diff-item { color: var(--text-dim); }
.diff-list-agency .diff-item::before { content: '—'; position: absolute; left: 0; color: var(--text-dim); }

.diff-list-pulse .diff-item { color: var(--text-muted); }
.diff-list-pulse .diff-item::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 600; }

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2.5rem;
  background: var(--surface);
}

.closing-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.closing-quote {
  border-left: 2px solid var(--purple);
  padding-left: 2rem;
}

.closing-text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-muted);
  line-height: 1.55;
  font-style: italic;
  margin-bottom: 0.75rem;
}

.closing-attr {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.closing-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.closing-statement {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 640px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 3rem 2.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
  display: block;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-copy {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 7rem 1.5rem 5rem; }
  .hero-headline { font-size: clamp(2.8rem, 12vw, 4.5rem); }
  .stats { padding: 2.5rem 1.5rem; }
  .stats-grid { flex-direction: column; gap: 1.5rem; }
  .stat-divider { width: 50px; height: 1px; }
  .problem, .features, .diff, .closing { padding: 5rem 1.5rem; }
  .problem-split { grid-template-columns: 1fr; gap: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .nav { padding: 1rem 1.25rem; }
  .feature-card-inner { padding: 2rem; }
  .diff-col { padding: 1.75rem; }
}