/* ── Base ─────────────────────────────────────────────── */
:root {
  --bg: #0a1628;
  --bg-2: #0f1929;
  --bg-3: #141e35;
  --fg: #e2e8f0;
  --fg-2: #94a3b8;
  --teal: #00e5cc;
  --teal-dim: rgba(0, 229, 204, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --border: rgba(148, 163, 184, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(0, 229, 204, 0.2); color: var(--teal); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(0, 229, 204, 0.25); border-radius: 3px; }

/* ── Typography ───────────────────────────────────────── */
h1, h2, h3, h4 { font-family: 'Syne', sans-serif; font-weight: 700; line-height: 1.15; }

.section-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  opacity: 0.85;
}

/* ── Nav ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(10, 22, 40, 0.85);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--teal);
  letter-spacing: -0.02em;
}

.nav-tag {
  font-size: 11px;
  color: var(--fg-2);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
  letter-spacing: 0.05em;
}

/* ── Hero ─────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 40px 80px;
}

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

.hero-bg-art svg { width: 100%; height: 100%; }

.hero-grid {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}

.hero-stat {
  border-right: 1px solid var(--border);
  padding-right: 60px;
}

.hero-number {
  font-family: 'Syne', sans-serif;
  font-size: clamp(72px, 10vw, 120px);
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero-pct {
  font-size: 0.6em;
  vertical-align: top;
  margin-top: 8px;
  display: inline-block;
}

.hero-label {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.5;
  margin-top: 16px;
  max-width: 220px;
}

.hero-headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 16px;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-2);
}

.meta-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.meta-dot--green { background: var(--teal); }
.meta-dot--amber { background: var(--amber); }
.meta-dot--teal { background: rgba(0,229,204,0.5); }

/* ── Problem ──────────────────────────────────────────── */
.problem {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner { max-width: 1200px; margin: 0 auto; }

.problem-headline {
  font-size: clamp(22px, 3.5vw, 40px);
  color: var(--fg);
  max-width: 700px;
  margin-bottom: 60px;
  letter-spacing: -0.025em;
}

.problem-stats {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-3);
}

.prob-stat {
  flex: 1;
  padding: 36px 40px;
}

.prob-divider {
  width: 1px;
  background: var(--border);
}

.prob-stat-number {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  color: var(--teal);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
}

.prob-stat-desc {
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.5;
}

.problem-body {
  font-size: 16px;
  color: var(--fg-2);
  max-width: 640px;
  line-height: 1.8;
}

/* ── Workflow ──────────────────────────────────────────── */
.workflow {
  padding: 100px 40px;
  background: var(--bg);
}

.workflow-inner { max-width: 1200px; margin: 0 auto; }

.workflow-headline {
  font-size: clamp(22px, 3vw, 36px);
  color: var(--fg);
  max-width: 640px;
  margin-bottom: 60px;
  letter-spacing: -0.02em;
}

.workflow-steps {
  display: flex;
  gap: 0;
  align-items: flex-start;
  margin-bottom: 40px;
}

.wf-step {
  flex: 1;
  padding: 32px 28px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}

.wf-step:hover { border-color: rgba(0, 229, 204, 0.25); }

.wf-arrow {
  padding: 40px 16px 0;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
}

.wf-icon { margin-bottom: 20px; }

.wf-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  opacity: 0.7;
}

.wf-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  font-family: 'Syne', sans-serif;
}

.wf-desc {
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.65;
}

.workflow-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--teal-dim);
  border: 1px solid rgba(0, 229, 204, 0.2);
  border-radius: 8px;
  padding: 14px 20px;
  width: fit-content;
  font-size: 13px;
  color: var(--teal);
  font-weight: 500;
}

/* ── Features ──────────────────────────────────────────── */
.features {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.features-inner { max-width: 1200px; margin: 0 auto; }

.features-headline {
  font-size: clamp(22px, 3vw, 38px);
  color: var(--fg);
  margin-bottom: 60px;
  letter-spacing: -0.025em;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feat-card {
  padding: 32px 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s, background 0.2s;
}

.feat-card:hover {
  border-color: rgba(0, 229, 204, 0.2);
  background: var(--bg-3);
}

.feat-icon { margin-bottom: 20px; }

.feat-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  font-family: 'Syne', sans-serif;
}

.feat-desc {
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ── Vision ────────────────────────────────────────────── */
.vision {
  padding: 100px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.vision-inner { max-width: 1200px; margin: 0 auto; }

.vision-headline {
  font-size: clamp(22px, 3vw, 38px);
  color: var(--fg);
  max-width: 680px;
  margin-bottom: 40px;
  letter-spacing: -0.025em;
}

.vision-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 900px;
  margin-bottom: 52px;
}

.vision-body p {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.8;
}

.vision-quote {
  background: var(--bg-2);
  border-left: 3px solid var(--amber);
  padding: 28px 36px;
  border-radius: 0 12px 12px 0;
  max-width: 700px;
}

.vq-mark {
  font-family: 'Syne', serif;
  font-size: 64px;
  color: var(--amber);
  opacity: 0.4;
  line-height: 0.5;
  margin-bottom: 16px;
}

.vision-quote p {
  font-size: 16px;
  color: var(--fg);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 12px;
}

.vq-source {
  font-size: 12px;
  color: var(--fg-2);
  letter-spacing: 0.05em;
}

/* ── Closing ────────────────────────────────────────────── */
.closing {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.closing-art { margin-bottom: 48px; }

.closing-headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-sub {
  font-size: 16px;
  color: var(--fg-2);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand { display: flex; flex-direction: column; gap: 6px; }

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--teal);
}

.footer-tagline { font-size: 12px; color: var(--fg-2); }

.footer-meta { font-size: 11px; color: var(--fg-2); opacity: 0.5; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stat { border-right: none; padding-right: 0; border-bottom: 1px solid var(--border); padding-bottom: 40px; }
  .problem-stats { flex-direction: column; }
  .prob-divider { width: 100%; height: 1px; }
  .workflow-steps { flex-direction: column; }
  .wf-arrow { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .vision-body { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .nav { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .problem, .workflow, .features, .vision, .closing { padding: 60px 24px; }
  .footer { padding: 36px 24px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 26px; }
  .prob-stat { padding: 24px 24px; }
  .feat-card { padding: 24px; }
  .wf-step { padding: 24px; }
}