/* ═══════════════════════════════════════
   CadenceOS — Revenue Engineering
   ═══════════════════════════════════════ */

:root {
  --bg: #0c0c0e;
  --bg-2: #111114;
  --bg-3: #18181c;
  --fg: #f5f0e8;
  --fg-2: #a8a4a0;
  --fg-3: #6a6866;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --border: rgba(245, 240, 232, 0.08);
  --border-2: rgba(245, 240, 232, 0.14);
  --radius: 4px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* ── Navigation ────────────────────────── */
.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(12, 12, 14, 0.85);
}

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

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

.nav-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
}

/* ── Shared Section Styles ─────────────── */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ── Hero ──────────────────────────────── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 80px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.hero-inner {
  padding: 100px 60px 100px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--fg-2);
  text-transform: uppercase;
  margin-bottom: 32px;
}

.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-lede {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--fg-2);
  max-width: 480px;
  margin-bottom: 40px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--fg-3);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.eyebrow-sep {
  color: var(--fg-3);
  opacity: 0.4;
}

/* Hero right panel */
.hero-geom {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
  border-left: 1px solid var(--border);
}

.geom-block {
  position: absolute;
  border: 1px solid var(--border-2);
  border-radius: 2px;
}

.geom-1 {
  width: 220px;
  height: 220px;
  top: 15%;
  right: 12%;
  border-color: rgba(245, 158, 11, 0.15);
  transform: rotate(12deg);
}

.geom-2 {
  width: 140px;
  height: 140px;
  bottom: 22%;
  right: 22%;
  border-color: rgba(245, 158, 11, 0.08);
  transform: rotate(-8deg);
}

.geom-3 {
  width: 80px;
  height: 80px;
  top: 50%;
  left: 20%;
  background: var(--accent-dim);
  border-color: rgba(245, 158, 11, 0.2);
}

.geom-code {
  position: relative;
  z-index: 2;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 28px 32px;
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  max-width: 380px;
  width: 90%;
  box-shadow: 0 32px 64px rgba(0,0,0,0.4);
}

.geom-code pre {
  white-space: pre-wrap;
  word-break: break-word;
}

.code-comment { color: #4a4a52; }
.code-keyword { color: #c084fc; }
.code-fn { color: var(--accent); }
.code-str { color: #6ee7b7; }
.code-num { color: #93c5fd; }

/* ── What We Build ──────────────────────── */
.what {
  padding: 100px 60px;
  border-bottom: 1px solid var(--border);
}

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

.what-header {
  max-width: 560px;
  margin-bottom: 60px;
}

.what-sub {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--fg-2);
  margin-top: 12px;
}

.what-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.what-card {
  background: var(--bg);
  padding: 40px;
  transition: background 0.2s ease;
}

.what-card:hover { background: var(--bg-2); }

.card-icon {
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.85;
}

.what-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--fg);
}

.what-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--fg-2);
}

/* ── Approach ───────────────────────────── */
.approach {
  padding: 100px 60px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.approach-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.approach-statement {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--fg-2);
  margin-top: 16px;
  margin-bottom: 48px;
  max-width: 480px;
}

.approach-pillars { display: flex; flex-direction: column; gap: 36px; }

.pillar {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  align-items: start;
}

.pillar-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 4px;
}

.pillar h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
}

.pillar p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--fg-2);
}

.approach-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.stat-card {
  background: var(--bg);
  padding: 32px 28px;
}

.stat-val {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg-2);
  margin-bottom: 4px;
}

.stat-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--fg-3);
}

/* ── Sprints ───────────────────────────── */
.sprints {
  padding: 100px 60px;
  border-bottom: 1px solid var(--border);
}

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

.sprints-header {
  max-width: 600px;
  margin-bottom: 56px;
}

.sprints-statement {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--fg-2);
  margin-top: 12px;
}

.sprints-cards {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 40px;
  margin-bottom: 64px;
  align-items: start;
}

.sprint-card-featured {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.sprint-card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.sprint-price {
  font-family: var(--font-display);
  font-size: 3.2rem;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1;
}

.sprint-period {
  font-size: 0.8rem;
  color: var(--fg-3);
  font-weight: 500;
  margin-top: 4px;
  margin-bottom: 24px;
}

.sprint-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 24px;
}

.sprint-includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.sprint-includes li {
  font-size: 0.88rem;
  color: var(--fg-2);
  padding-left: 20px;
  position: relative;
}

.sprint-includes li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  opacity: 0.7;
}

.sprint-note {
  font-size: 0.78rem;
  color: var(--fg-3);
  line-height: 1.55;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  font-style: italic;
}

/* Calculator */
.sprints-calc {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 40px;
}

.sprints-calc h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 24px;
}

.calc-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.calc-row:last-child { border-bottom: none; }

.calc-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.calc-scenario {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-2);
}

.calc-cost {
  font-size: 0.82rem;
  color: var(--fg-3);
  font-family: 'Courier New', monospace;
}

.calc-result {
  font-size: 0.82rem;
  color: var(--fg-3);
}

.calc-row-highlight {
  background: var(--accent-dim);
  margin: 0 -16px;
  padding: 16px 16px;
  border-radius: 4px;
  border-bottom: none !important;
}

.calc-row-highlight .calc-scenario { color: var(--accent); font-weight: 600; }
.calc-row-highlight .calc-cost { color: var(--fg-2); }
.calc-row-highlight .calc-result { color: var(--fg-2); }

/* ── Outcomes ───────────────────────────── */
.outcomes {
  padding: 100px 60px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

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

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 56px;
}

.outcome { position: relative; }

.outcome-num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

.outcome h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 14px;
  line-height: 1.3;
}

.outcome p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--fg-2);
}

/* ── Closing ───────────────────────────── */
.closing {
  padding: 100px 60px 80px;
  background: var(--bg);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 60px;
  right: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.25;
}

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

.closing-quote {
  border-left: 2px solid var(--accent);
  padding-left: 32px;
  margin-bottom: 48px;
}

.closing-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  line-height: 1.45;
  color: var(--fg);
  font-style: italic;
  letter-spacing: -0.01em;
}

.closing-quote footer {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--fg-3);
  font-style: normal;
  font-family: var(--font-body);
}

.closing-statement {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-2);
  max-width: 640px;
}

/* ── Footer ─────────────────────────────── */
.footer {
  padding: 40px 60px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--fg);
  display: block;
  margin-bottom: 8px;
}

.footer p {
  font-size: 0.82rem;
  color: var(--fg-3);
  max-width: 320px;
  line-height: 1.55;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--fg-3);
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-geom { display: none; }
  .approach-inner { grid-template-columns: 1fr; gap: 48px; }
  .sprints-cards { grid-template-columns: 1fr; }
  .outcomes-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { min-height: auto; }
  .hero-inner { padding: 80px 24px 60px; }
  .what { padding: 60px 24px; }
  .what-grid { grid-template-columns: 1fr; }
  .approach { padding: 60px 24px; }
  .sprints { padding: 60px 24px; }
  .sprints-calc { padding: 24px; }
  .calc-row { grid-template-columns: 1fr; gap: 8px; }
  .outcomes { padding: 60px 24px; }
  .closing { padding: 60px 24px; }
  .footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; gap: 24px; align-items: flex-start; }
  .stat-card { padding: 24px 20px; }
  .stat-val { font-size: 2rem; }
  .sprint-price { font-size: 2.6rem; }
}