/* ═══════════════════════════════════════════
   OCR Forge — Design System
   ═══════════════════════════════════════════ */

:root {
  /* Brand colours */
  --primary: #f97316;
  --primary-dark: #ea580c;
  --primary-light: #fdba74;
  --primary-bg: #fff7ed;

  /* Neutrals */
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;
  --gray-950: #09090b;

  /* Accents */
  --green: #22c55e;
  --blue: #3b82f6;
  --red: #ef4444;
  --yellow: #eab308;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

  /* Spacing */
  --container: 1200px;
  --section-y: 6rem;
  --gap: 2rem;

  /* Borders */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
}

/* ═══ Reset ═══════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: #fff;
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ═══ Container ═══════════════════════════ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ═══ Buttons ═════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border: 2px solid transparent;
}
.btn-ghost:hover {
  color: var(--primary);
  background: var(--primary-bg);
}

/* ═══ Navbar ══════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--gray-900);
}
.logo:hover { color: var(--gray-900); }
.logo-icon { font-size: 1.5rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a:not(.btn) {
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color .2s;
}
.nav-links a:not(.btn):hover { color: var(--gray-900); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all .3s;
}

/* ═══ Hero ════════════════════════════════ */
.hero {
  position: relative;
  padding: 8rem 0 4rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(249,115,22,.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 100%, rgba(59,130,246,.06) 0%, transparent 50%);
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--primary-bg);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 100px;
  border: 1px solid var(--primary-light);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--gray-950);
  margin-bottom: 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* Code Window */
.code-window {
  background: var(--gray-950);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-800);
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.85rem 1.25rem;
  background: var(--gray-900);
  border-bottom: 1px solid var(--gray-800);
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }
.code-title {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--gray-500);
  font-family: var(--font-mono);
}
.code-body {
  padding: 1.5rem;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.7;
  font-family: var(--font-mono);
}
.code-body code {
  color: var(--gray-300);
  font-family: inherit;
}
.code-body .comment { color: var(--gray-500); }
.code-body .keyword { color: var(--green); }
.code-body .string { color: var(--primary-light); }
.code-body .key { color: var(--blue); }

/* ═══ Social Proof ════════════════════════ */
.social-proof {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  text-align: center;
}
.social-proof-label {
  font-size: 0.85rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 1rem;
}
.use-cases {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.use-cases span {
  padding: 0.4rem 1rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* ═══ Section Header ══════════════════════ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--gap) auto;
  padding-bottom: 1rem;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--gray-500);
}

/* ═══ Features ════════════════════════════ */
.features {
  padding: var(--section-y) 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.feature-card {
  padding: 2rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all .3s ease;
  background: #fff;
}
.feature-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ═══ How It Works ════════════════════════ */
.how-it-works {
  padding: var(--section-y) 0;
  background: var(--gray-50);
}
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}
.step {
  flex: 1;
  text-align: center;
  padding: 1.5rem;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}
.step p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}
.step-connector {
  width: 60px;
  height: 2px;
  background: var(--gray-300);
  margin-top: 2.75rem;
  flex-shrink: 0;
}

/* ═══ Pricing ═════════════════════════════ */
.pricing {
  padding: var(--section-y) 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.pricing-card {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  transition: all .3s;
}
.pricing-card:hover { box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-lg);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 1rem;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}
.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}
.pricing-price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-500);
}
.pricing-desc {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--gray-100);
}
.pricing-features li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--gray-600);
  padding-left: 1.5rem;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}
.pricing-features {
  margin-bottom: 2rem;
}
.pricing-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 2rem;
}

/* ═══ API Section ═════════════════════════ */
.api-section {
  padding: var(--section-y) 0;
  background: var(--gray-950);
  color: #fff;
}
.api-section .section-header h2 { color: #fff; }
.api-section .section-header p { color: var(--gray-400); }

.api-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}
.api-endpoint {
  padding: 1.5rem;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.api-method {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  width: fit-content;
}
.api-method.post { background: rgba(34,197,94,.2); color: var(--green); }
.api-method.get { background: rgba(59,130,246,.2); color: var(--blue); }

.api-endpoint code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gray-200);
}
.api-endpoint p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.5;
}

.api-cta {
  text-align: center;
}
.api-cta p {
  color: var(--gray-400);
  margin-bottom: 1rem;
}

/* ═══ CTA Section ═════════════════════════ */
.cta {
  padding: var(--section-y) 0;
  background: linear-gradient(135deg, var(--primary-bg) 0%, #fffbeb 100%);
}
.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}
.cta-content > p {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}
.cta-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto 1rem;
}
.cta-form input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s;
}
.cta-form input:focus { border-color: var(--primary); }
.cta-note {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* ═══ Footer ══════════════════════════════ */
.footer {
  padding: 4rem 0 2rem;
  background: var(--gray-950);
  color: var(--gray-400);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .logo {
  margin-bottom: 1rem;
}
.footer-brand .logo-text { color: #fff; }
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-location {
  margin-top: 0.5rem;
  font-size: 0.85rem;
}
.footer-links h4 {
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.footer-links a {
  display: block;
  padding: 0.35rem 0;
  color: var(--gray-400);
  font-size: 0.85rem;
}
.footer-links a:hover { color: var(--primary-light); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--gray-800);
  text-align: center;
  font-size: 0.85rem;
}
.footer-bottom a { color: var(--primary-light); }

/* ═══ Responsive ══════════════════════════ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 3rem; }
  .hero h1 { font-size: 2.8rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-y: 4rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    gap: 1rem;
  }
  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }

  .hero { padding: 6rem 0 3rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .hero-visual { display: none; }

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

  .steps { flex-direction: column; }
  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0 auto;
  }

  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

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

  .cta-form { flex-direction: column; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}