/* ============================================
   BlinkCash — Cyber Minimal Stylesheet
   ============================================ */

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

:root {
  --bg: #0b0b0f;
  --surface: #111117;
  --text: #ffffff;
  --text-secondary: #a1a1aa;
  --accent: #ff3b30;
  --border: #1f1f26;
  --font-main: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- CONTAINER ---- */

.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- HEADER ---- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.2s;
}

.logo:hover {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

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

/* ---- HERO ---- */

.hero {
  padding: 120px 0 80px;
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}

.hero-sub {
  margin-top: 20px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-line {
  margin-top: 48px;
  height: 2px;
  width: 48px;
  background: var(--accent);
}

/* ---- PRODUCTS ---- */

.products {
  padding: 60px 0 100px;
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  transition: border-color 0.3s;
}

.product-card:hover {
  border-color: #2a2a34;
}

.product-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.product-name {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-desc {
  margin-top: 6px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.product-badge {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #34c759;
  background: rgba(52, 199, 89, 0.1);
  border: 1px solid rgba(52, 199, 89, 0.2);
  padding: 4px 12px;
  border-radius: 100px;
}

.product-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 8px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: #e0352b;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--text-secondary);
  transform: translateY(-1px);
}

.product-links {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.product-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.product-links a:hover {
  color: var(--accent);
}

.product-links .dot {
  color: var(--border);
  font-size: 0.7rem;
}

/* ---- FOOTER ---- */

.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* ---- LEGAL PAGE LAYOUT ---- */

.legal-page {
  padding: 100px 0 80px;
}

.legal-page h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal-page .legal-updated {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-page p,
.legal-page li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 12px;
}

.legal-page ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal-page a {
  color: var(--accent);
  transition: opacity 0.2s;
}

.legal-page a:hover {
  opacity: 0.8;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--text);
}

/* ---- DELETE ACCOUNT FORM ---- */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.92rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-message {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #34c759;
  min-height: 1.2em;
}

/* ---- FAQ ---- */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 16px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: border-color 0.2s;
}

.faq-item[open] {
  border-color: #2a2a34;
}

.faq-question {
  padding: 16px 20px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.2s;
}

.faq-item[open] .faq-question::after {
  content: '−';
  color: var(--accent);
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- MARKETING ---- */

.marketing-hero {
  padding-bottom: 60px;
}

.marketing-cta {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---- FEATURES ---- */

.features {
  padding: 60px 0 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: #2a2a34;
}

.feature-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- FINAL CTA ---- */

.final-cta {
  padding: 80px 0 100px;
  text-align: center;
}

.cta-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-sub {
  margin-top: 12px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.final-cta .marketing-cta {
  justify-content: center;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 600px) {
  .header-inner {
    height: 52px;
  }

  .nav {
    gap: 18px;
  }

  .nav a {
    font-size: 0.75rem;
  }

  .hero {
    padding: 80px 0 56px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .product-card {
    padding: 24px;
  }

  .product-header {
    flex-direction: column;
    gap: 12px;
  }

  .product-actions {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
    width: 100%;
  }

  .product-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .product-links .dot {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-page h1 {
    font-size: 1.5rem;
  }

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

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

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

  .marketing-cta .btn {
    justify-content: center;
    width: 100%;
  }

  .final-cta {
    padding: 56px 0 80px;
  }
}