/* Cauce Landing Page - styles.css */

/* ── Custom properties ───────────────────────────────────────────────────── */
:root {
  --color-primary:       #1C6B6B;
  --color-primary-dark:  #135252;
  --color-primary-container: #C4E4E4;
  --color-on-primary-container: #0A3333;
  --color-surface:       #ffffff;
  --color-surface-variant: #EAF5F5;
  --color-bg:            #F2F8F8;
  --color-text:          #1A2828;
  --color-text-muted:    #3B5050;
  --color-border:        #C7DDDD;
  --color-outline:       #99ABAB;
  --color-tertiary:      #C2694A;
  --radius-sm:           6px;
  --radius-md:           10px;
  --radius-lg:           16px;
  --shadow-card:         0 2px 12px rgba(28, 107, 107, 0.08);
  --max-width:           900px;
  --font-stack:          system-ui, -apple-system, BlinkMacSystemFont,
                         "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ── Reset / base ────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-stack);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* ── Layout wrapper ──────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header / nav ────────────────────────────────────────────────────────── */
header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo {
  width: 36px;
  height: 36px;
}

.header-wordmark {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 72px;
  text-align: center;
  background: var(--color-surface);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-subheadline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-microcopy {
  font-size: 0.85rem;
  color: var(--color-outline);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-stack);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease,
              box-shadow 0.15s ease, transform 0.1s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(28, 107, 107, 0.28);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: rgba(28, 107, 107, 0.06);
  box-shadow: 0 4px 16px rgba(28, 107, 107, 0.12);
}

.btn-outline-muted {
  background-color: transparent;
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
}

.btn-outline-muted:hover {
  border-color: var(--color-outline);
  background-color: var(--color-surface-variant);
}

/* ── Problem ────────────────────────────────────────────────────────────── */
.problem {
  padding: 48px 0;
  background: var(--color-surface-variant);
}

.problem-list {
  list-style: none;
  max-width: 560px;
  margin: 0 auto;
}

.problem-list li {
  font-size: 1rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  line-height: 1.55;
}

.problem-list li::before {
  content: "•";
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 10px;
}

/* ── How it Works ───────────────────────────────────────────────────────── */
.how-it-works {
  padding: 72px 0 80px;
  background: var(--color-surface);
}

.section-heading {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
  color: var(--color-text);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 600px;
  margin: 0 auto;
}

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

.step-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
  line-height: 1.2;
}

.step-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.step-body p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.steps-closing {
  text-align: center;
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 40px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  line-height: 1.6;
}

/* ── Features ────────────────────────────────────────────────────────────── */
.features {
  padding: 72px 0 80px;
  background: var(--color-surface-variant);
}

.features-heading {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
  color: var(--color-text);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-card);
}

.card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  color: var(--color-primary);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── Pricing ─────────────────────────────────────────────────────────────── */
.pricing {
  padding: 72px 0 80px;
  background: var(--color-surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.plan-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.plan-card--free {
  border: 2px solid var(--color-primary);
}

.plan-card--pro {
  background: var(--color-surface-variant);
  border: 1px solid var(--color-border);
}

.plan-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.plan-card--free .plan-label {
  color: var(--color-primary);
}

.plan-card--pro .plan-label {
  color: var(--color-text-muted);
}

.plan-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 4px;
}

.plan-limit {
  font-size: 0.85rem;
  color: var(--color-outline);
  margin-bottom: 20px;
}

.plan-features {
  list-style: none;
  margin-bottom: 20px;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--color-text);
  padding: 3px 0;
  line-height: 1.5;
}

.plan-features li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 8px;
}

.pricing-footnote {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-outline);
  max-width: 560px;
  margin: 32px auto 0;
  line-height: 1.55;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
}

footer p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .hero {
    padding: 56px 0 48px;
  }

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

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

  .card {
    padding: 24px 20px;
  }
}

/* ── Legal pages ─────────────────────────────────────────────────────────── */
.legal-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.legal-content h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--color-text);
}

.legal-content .legal-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 10px;
  color: var(--color-text);
}

.legal-content p,
.legal-content ul {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 20px;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.draft-notice {
  background: #fef9c3;
  border: 1px solid #fde047;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 32px;
  font-size: 0.875rem;
  color: #713f12;
  line-height: 1.5;
}

/* ── Footer links ────────────────────────────────────────────────────────── */
footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}