/* SecureAuthDesk — landing page styles */

:root {
  --bg: #0b1020;
  --bg-alt: #101730;
  --surface: #161f3d;
  --border: #263157;
  --text: #e8ecf6;
  --text-dim: #9aa5c4;
  --accent: #4f7cff;
  --accent-hover: #6b90ff;
  --green: #2fbf8f;
  --radius: 12px;
  --max: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 16, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.logo-img { height: 30px; width: auto; filter: invert(1) brightness(1.6); }
.logo-mark { margin-right: 4px; }

.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: #fff; }

.nav-toggle {
  display: none; background: none; border: none; color: var(--text);
  font-size: 1.5rem; cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 8px;
  font-size: 1rem; font-weight: 600; text-decoration: none;
  cursor: pointer; border: 1px solid transparent; transition: 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-hover); }
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn-block { display: block; text-align: center; margin-top: 20px; }

/* Hero */
.hero { padding: 100px 0 80px; background: radial-gradient(ellipse 70% 60% at 60% 20%, rgba(79, 124, 255, 0.15), transparent); }

.hero-inner { display: grid; grid-template-columns: 1fr; gap: 60px; align-items: center; text-align: center; }

.hero h1 { font-size: 3rem; line-height: 1.15; letter-spacing: -0.5px; }

.lead { margin: 22px auto 30px; font-size: 1.15rem; color: var(--text-dim); max-width: 560px; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-note { margin-top: 16px; font-size: 0.85rem; color: var(--text-dim); }

/* Hero card (fake transfer UI) */
.hero-card { display: flex; justify-content: center; }
.transfer-card {
  width: 100%; max-width: 400px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}
.transfer-row {
  display: flex; justify-content: space-between; padding: 9px 0;
  font-size: 0.9rem; color: var(--text-dim); border-bottom: 1px solid var(--border);
}
.transfer-head { color: var(--text); font-weight: 600; }
.tag {
  background: rgba(79, 124, 255, 0.18); color: var(--accent-hover);
  font-size: 0.72rem; padding: 2px 10px; border-radius: 99px; font-weight: 600;
}
.tag-green { background: rgba(47, 191, 143, 0.15); color: var(--green); }
.progress { height: 6px; background: var(--border); border-radius: 99px; margin: 18px 0 10px; overflow: hidden; }
.progress-bar { height: 100%; width: 100%; background: linear-gradient(90deg, var(--accent), var(--green)); border-radius: 99px; }
.transfer-status { font-size: 0.82rem; color: var(--green); }

/* Trust strip */
.trust { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.trust-inner {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 48px;
  padding: 20px 24px; color: var(--text-dim); font-size: 0.9rem; font-weight: 600;
}

/* Sections */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: 2rem; text-align: center; letter-spacing: -0.5px; }
.section-sub { text-align: center; color: var(--text-dim); margin: 14px auto 50px; max-width: 560px; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.card h3 { margin: 14px 0 8px; font-size: 1.1rem; }
.card p { color: var(--text-dim); font-size: 0.95rem; }
.card-icon { font-size: 1.8rem; }

/* Steps */
.steps { counter-reset: step; }
.step { text-align: center; padding: 0 12px; }
.step-num {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%;
  background: rgba(79, 124, 255, 0.15); color: var(--accent-hover);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 700; border: 1px solid var(--border);
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 0.95rem; }

/* Security */
.security-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.security-inner .section-title, .security-inner .section-sub { text-align: left; margin-left: 0; }
.check-list { list-style: none; }
.check-list li { padding: 9px 0 9px 32px; position: relative; color: var(--text-dim); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }

.security-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.badge {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 16px; text-align: center; font-size: 1.8rem;
}
.badge span { display: block; margin-top: 8px; font-size: 0.85rem; color: var(--text-dim); }

/* Pricing */
.pricing-grid { align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; }
.price-card h3 { margin-top: 0; }
.price { font-size: 2.4rem; font-weight: 700; margin: 8px 0 18px; }
.price span { font-size: 1rem; color: var(--text-dim); font-weight: 400; }
.price-card ul { list-style: none; flex: 1; }
.price-card li { padding: 7px 0 7px 26px; position: relative; color: var(--text-dim); font-size: 0.93rem; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-hover); }
.price-card.featured { border-color: var(--accent); box-shadow: 0 0 40px rgba(79, 124, 255, 0.15); }
.ribbon {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 0.75rem; font-weight: 700;
  padding: 4px 14px; border-radius: 99px; white-space: nowrap;
}

/* CTA */
.cta { text-align: center; background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(79, 124, 255, 0.15), transparent); }
.cta-inner h2 { font-size: 2.2rem; }
.cta-inner p { color: var(--text-dim); margin: 14px 0 30px; }
.signup-form { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.signup-form input {
  padding: 12px 18px; width: 320px; max-width: 100%; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 1rem;
}
.signup-form input:focus { outline: none; border-color: var(--accent); }
.cta-note { font-size: 0.82rem; margin-top: 16px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 50px 0 30px; background: var(--bg-alt); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-tag { color: var(--text-dim); font-size: 0.9rem; margin-top: 8px; }
.footer-links { list-style: none; display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }
.copyright { text-align: center; color: var(--text-dim); font-size: 0.8rem; margin-top: 36px; }

/* Responsive */
@media (max-width: 860px) {
  .hero-inner, .security-inner { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: 60px 0; }
  .hero h1 { font-size: 2.2rem; }
  .hero-card { order: 2; }

  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 12px 24px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 10px 0; }
}