/* ======================
   STRATA — Theme CSS
   Editorial, warm, confident
   ====================== */

:root {
  --bg: #FAF7F2;
  --surface: #F0EBE1;
  --text: #141414;
  --text-muted: #6B6560;
  --accent: #C84B1A;
  --accent-light: #F5E6DC;
  --sage: #8B9E7E;
  --sage-light: #E8EDE5;
  --navy: #1A1A2E;
  --border: #E0D8CC;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--navy);
  color: #fff;
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 700;
  border-radius: 6px;
}

.brand-name {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero */
.hero {
  padding: 80px 48px 64px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.hero-headline {
  font-family: 'Fraunces', serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  color: var(--navy);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 480px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.15s;
}

.hero-cta:hover {
  opacity: 0.85;
}

/* Hero Visual */
.visual-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.layer {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.layer:last-child { border-bottom: none; }

.layer-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.layer-arrow {
  display: flex;
  justify-content: center;
  padding: 4px 0;
  background: var(--accent-light);
}

/* Source monitoring */
.source-items { display: flex; flex-direction: column; gap: 8px; }

.source-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
}

.source-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  flex-shrink: 0;
}

.source-dot.active { background: var(--accent); }

/* Write preview */
.write-preview { display: flex; flex-direction: column; gap: 8px; }

.write-line {
  height: 10px;
  background: var(--border);
  border-radius: 4px;
  width: 100%;
}

.write-line.short { width: 65%; }
.write-line.medium { width: 80%; }

/* Deliver */
.deliver-items { display: flex; flex-direction: column; gap: 12px; }

.deliver-sent {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sage);
}

.deliver-stats {
  display: flex;
  gap: 24px;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Sections */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-family: 'Fraunces', serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 56px;
  max-width: 680px;
}

/* How It Works */
.how-it-works {
  border-bottom: 1px solid var(--border);
}

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

.step { position: relative; }

.step-num {
  font-family: 'Fraunces', serif;
  font-size: 48px;
  font-weight: 900;
  color: var(--surface);
  -webkit-text-stroke: 1.5px var(--border);
  line-height: 1;
  margin-bottom: 20px;
}

.step-title {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.step-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* The Problem */
.the-problem {
  background: var(--navy);
  padding: 80px 48px;
  color: #fff;
}

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

.problem-quote blockquote {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-style: italic;
  line-height: 1.5;
  color: #fff;
  margin-bottom: 16px;
}

.problem-quote cite {
  font-size: 12px;
  color: #888;
  font-style: normal;
}

.problem-breakdown {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.problem-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.problem-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.problem-item p {
  font-size: 13px;
  color: #aaa;
  line-height: 1.6;
}

/* Numbers */
.numbers { border-bottom: 1px solid var(--border); }

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.number-card {
  padding: 32px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.number-value {
  font-family: 'Fraunces', serif;
  font-size: 42px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.number-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Manifesto */
.manifesto {
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.manifesto-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.manifesto-headline {
  font-family: 'Fraunces', serif;
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.manifesto-body {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* Persona block */
.persona-block {
  background: var(--navy);
  border-radius: 16px;
  padding: 28px;
  color: #fff;
}

.persona-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #888;
  margin-bottom: 20px;
}

.brief-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brief-item:last-child { border-bottom: none; }

.brief-tag {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(200,75,26,0.15);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.brief-item span:last-child {
  font-size: 13px;
  color: #ccc;
}

/* Footer */
.footer {
  padding: 56px 48px;
  text-align: center;
}

.footer-inner { max-width: 480px; margin: 0 auto; }

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
}

.brand-mark-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--navy);
  color: #fff;
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 700;
  border-radius: 8px;
}

.footer-name {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--navy);
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-note {
  font-size: 12px;
  color: var(--border);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav-tagline { display: none; }

  .hero { padding: 48px 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }

  .section-inner { padding: 48px 24px; }

  .steps-grid { grid-template-columns: 1fr; gap: 32px; }

  .problem-inner { grid-template-columns: 1fr; gap: 48px; }

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

  .manifesto-inner { grid-template-columns: 1fr; gap: 40px; }

  .footer { padding: 40px 24px; }
}

@media (max-width: 480px) {
  .numbers-grid { grid-template-columns: 1fr; }
}