/* ===================================
   CONTA — Landing Page Theme
   Typography: Fraunces (headings) + DM Sans (body)
   Palette: Terracotta (#C7522A), Warm White (#FDFAF6), Dark (#1C1917)
   =================================== */

:root {
  --bg: #FDFAF6;
  --bg-alt: #F5EDE3;
  --fg: #1C1917;
  --fg-muted: #78716C;
  --accent: #C7522A;
  --accent-dark: #A33F20;
  --accent-light: #F5E6D3;
  --border: #E8DDD3;
  --shadow: rgba(28, 25, 23, 0.08);
  --doc-bg: #FFFFFF;
  --doc-border: #E8DDD3;
  --doc-text: #1C1917;
  --doc-muted: #A8A29E;
  --doc-accent: #059669;
  --doc-paid: #059669;
}

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

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

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

/* ---- Typography ---- */
h1, h2, h3 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(253, 250, 246, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.navbar-tagline {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  display: none;
}

@media (min-width: 640px) { .navbar-tagline { display: block; } }

/* ---- Hero ---- */
.hero {
  padding: 140px 24px 100px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(199,82,42,0.07) 0%, transparent 70%);
  pointer-events: none;
}

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

@media (min-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr 1fr; gap: 80px; }
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(199,82,42,0.2);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--fg);
  margin-bottom: 24px;
  font-optical-sizing: auto;
}

.hero-lede {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* ---- Document Preview ---- */
.hero-document-preview {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: center;
}

.doc-preview-card {
  background: var(--doc-bg);
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  padding: 20px;
  width: 240px;
  box-shadow: 0 4px 24px var(--shadow), 0 1px 4px var(--shadow);
  position: relative;
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
}

.doc-preview-card:hover {
  transform: rotate(0deg) translateY(-4px);
}

.doc-preview-card-invoice {
  transform: rotate(2deg);
  margin-top: 24px;
}

.doc-preview-card-invoice:hover {
  transform: rotate(0deg) translateY(-4px);
}

.doc-preview-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.doc-logo-placeholder {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: var(--accent-light);
  display: block;
  flex-shrink: 0;
}

.doc-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.doc-meta strong {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--doc-text);
}

.doc-meta span {
  font-size: 0.625rem;
  color: var(--doc-muted);
}

.doc-preview-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.doc-label {
  font-size: 0.6875rem;
  color: var(--doc-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.doc-row-subtle .doc-label {
  padding-left: 12px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.doc-value {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--doc-text);
}

.doc-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.doc-row-total .doc-label {
  color: var(--doc-text);
  font-weight: 600;
  font-size: 0.75rem;
}

.doc-row-total .doc-value {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.doc-preview-footer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

.doc-status-badge {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 100px;
  background: #FEF3C7;
  color: #92400E;
}

.doc-status-paid {
  background: #D1FAE5;
  color: #065F46;
}

/* ---- Stats Section ---- */
.stats-section {
  background: var(--fg);
  color: white;
  padding: 64px 24px;
}

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

.stats-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

@media (min-width: 768px) {
  .stats-row {
    flex-direction: row;
    justify-content: center;
    gap: 64px;
  }
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stat-number {
  font-family: 'Fraunces', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  line-height: 1;
}

.stat-period {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  text-align: center;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
  display: none;
}

@media (min-width: 768px) { .stat-divider { display: block; } }

/* ---- Features Section ---- */
.features-section {
  padding: 120px 24px;
  background: var(--bg);
}

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

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 64px;
  color: var(--fg);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

@media (min-width: 640px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.feature-card {
  background: var(--bg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--bg-alt);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-title {
  font-family: 'Fraunces', serif;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- Pricing Section ---- */
.pricing-section {
  padding: 120px 24px;
  background: var(--bg-alt);
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 64px;
}

@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

.pricing-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.pricing-card-featured {
  border-color: var(--accent);
  border-width: 2px;
  background: white;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: 100px;
}

.pricing-tier {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg-muted);
}

.price-amount {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1;
}

.price-period {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  font-size: 0.9rem;
  color: var(--fg);
  padding-left: 20px;
  position: relative;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: var(--accent-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg width='8' height='6' viewBox='0 0 8 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 3l2 2 4-4' stroke='%23C7522A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ---- Closing Section ---- */
.closing-section {
  padding: 120px 24px;
  background: var(--fg);
  color: white;
  overflow: hidden;
}

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

@media (min-width: 1024px) {
  .closing-inner { grid-template-columns: 1fr 1fr; }
}

.closing-heading {
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: white;
  margin-bottom: 24px;
  line-height: 1.1;
}

.closing-sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

.closing-document-mosaic {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: center;
}

.mosaic-strip {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mosaic-doc {
  width: 160px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.mosaic-doc::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.mosaic-doc-1 { height: 80px; background: rgba(199,82,42,0.2); }
.mosaic-doc-2 { height: 60px; background: rgba(255,255,255,0.05); }
.mosaic-doc-3 { height: 90px; background: rgba(199,82,42,0.15); }
.mosaic-doc-4 { height: 70px; background: rgba(255,255,255,0.08); }
.mosaic-doc-5 { height: 85px; background: rgba(199,82,42,0.25); }

.mosaic-doc-1::before { background: var(--accent); }
.mosaic-doc-3::before { background: rgba(199,82,42,0.6); }
.mosaic-doc-5::before { background: rgba(199,82,42,0.8); }

/* ---- Footer ---- */
.site-footer {
  background: var(--fg);
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: white;
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}

.footer-legal {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
  margin-top: 8px;
}

/* ---- Responsive utilities ---- */
@media (max-width: 374px) {
  .hero { padding: 120px 16px 80px; }
  .features-section, .pricing-section, .closing-section { padding: 80px 16px; }
  .hero-headline { font-size: 2rem; }
  .section-heading { font-size: 1.75rem; }
}