/* ===== ClearFile Landing Page ===== */
/* Scaffold — clean, minimal, no frameworks. System font stack for speed. */

:root {
  --bg: #0f1115;
  --bg-card: #1a1d24;
  --bg-alt: #15171c;
  --text: #e8e9ed;
  --text-dim: #9499a3;
  --text-muted: #6b707a;
  --accent: #5b8def;
  --accent-hover: #7aa2f7;
  --accent-dim: #3b5998;
  --border: #2a2d36;
  --border-light: #353944;
  --green: #4ade80;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1100px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(15, 17, 21, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand a {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-links a.nav-cta:hover {
  background: var(--accent-hover);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 .hl {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-trust {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.trust-divider {
  color: var(--border-light);
}

/* ===== VALUE PROPS ===== */
.value-props {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.prop-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition);
}

.prop-card:hover {
  border-color: var(--border-light);
}

.prop-icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.prop-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.prop-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== AUDIENCE SECTIONS ===== */
.audience {
  padding: 64px 0;
}

.audience.individual {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.audience-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(91, 141, 239, 0.15);
  color: var(--accent);
  border: 1px solid rgba(91, 141, 239, 0.3);
  margin-bottom: 16px;
}

.audience h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.audience-intro {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 650px;
  margin-bottom: 36px;
}

.audience-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 64px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-it-works h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.step {
  text-align: center;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ===== PRICING ===== */
.pricing {
  padding: 64px 0;
}

.pricing h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.pricing-intro {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 48px;
}

.pricing-segment {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.pricing-sub {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.pricing-option-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 40px 0 20px;
  color: var(--accent);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.pricing-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.pricing-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}

.pricing-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.card-badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.price-unit {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-dim);
}

.price-note {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
}

.pricing-card ul li {
  color: var(--text-dim);
  font-size: 0.88rem;
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.pricing-card ul li:first-child {
  border-top: none;
}

.pricing-extras {
  margin-top: 16px;
  margin-bottom: 16px;
}

.pricing-extras p {
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.pricing-commercial {
  margin-top: 64px;
}

/* ===== DISCLAIMER ===== */
.disclaimer {
  padding: 32px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.disclaimer p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

/* ===== CONTACT ===== */
.contact {
  padding: 64px 0;
  text-align: center;
}

.contact h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.contact-intro {
  color: var(--text-dim);
  max-width: 550px;
  margin: 0 auto 36px;
}

.contact-placeholder {
  max-width: 600px;
  margin: 0 auto;
}

.contact-options {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.contact-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  min-width: 200px;
  transition: border-color var(--transition), transform var(--transition);
}

.contact-option:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.contact-option h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-option p {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.contact-note {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-style: italic;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-tagline {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .hero {
    padding: 48px 0 40px;
  }

  .audience,
  .pricing,
  .how-it-works,
  .contact {
    padding: 48px 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }

  .contact-options {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .pricing-card {
    padding: 20px;
  }

  .price {
    font-size: 1.75rem;
  }
}

/* ===== PREFERS-REDUCED-MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}