:root {
  color-scheme: dark;
  --bg: #111316;
  --surface: rgba(22, 27, 33, 0.92);
  --surface-strong: #171c22;
  --surface-soft: #1a1f26;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f7f8fb;
  --muted: #adb3bf;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --accent-strong: #2f5cff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --radius-sm: 16px;
  --transition: 200ms ease;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top right, rgba(91, 140, 255, 0.08), transparent 28%),
    linear-gradient(180deg, #111316 0%, #0c1014 48%, #101316 100%);
  color: var(--text);
  line-height: 1.7;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(12, 15, 19, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.2), rgba(13, 58, 130, 0.55));
  color: white;
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-left: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
  font-weight: 600;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #0d111d;
  box-shadow: 0 18px 40px rgba(91, 140, 255, 0.18);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.mobile-toggle {
  display: none;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.75rem;
  margin-left: auto;
  cursor: pointer;
  border-radius: 12px;
  transition: background var(--transition), transform var(--transition);
  align-items: center;
  justify-content: center;
}

.mobile-toggle:hover,
.mobile-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy {
  max-width: 560px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--text);
}

h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  margin-top: 1rem;
}

.hero-copy p,
.section-head p,
.feature-card p,
.trust-item p,
.how-step p,
.checker-copy p,
.footer-bottom p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.hero-metrics div {
  padding: 1.2rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.hero-metrics strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.hero-panel {
  position: relative;
}

.panel-surface {
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(18, 22, 29, 0.96), rgba(24, 28, 35, 0.98));
  box-shadow: var(--shadow);
  padding: 2rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.7rem;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-size: 0.81rem;
  font-weight: 700;
}

.status-safe {
  background: rgba(48, 203, 105, 0.12);
  color: #9be9ab;
}

.status-alert {
  background: rgba(91, 140, 255, 0.14);
  color: var(--accent);
}

.panel-body {
  display: grid;
  gap: 1.1rem;
}

.panel-row {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
}

.panel-row strong {
  color: var(--text);
  font-size: 1.05rem;
}

.highlight {
  padding: 1.15rem 1.2rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.panel-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.94rem;
}

.section {
  padding: 4rem 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 1rem 0 1rem;
}

.feature-grid,
.roadmap-grid,
.how-grid,
.trust-grid,
.checker-grid {
  display: grid;
  gap: 1.5rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.roadmap-card,
.how-step,
.trust-item,
.checker-surface {
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.8rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.01);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.feature-card:hover,
.roadmap-card:hover,
.how-step:hover,
.trust-item:hover {
  transform: translateY(-4px);
  border-color: rgba(91, 140, 255, 0.18);
}

.feature-card h3,
.trust-item h3,
.roadmap-card h3,
.how-step h3 {
  margin-bottom: 0.85rem;
  font-size: 1.1rem;
}

.feature-card p,
.roadmap-card p,
.how-step p,
.trust-item p {
  color: var(--muted);
}

.checker-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
  gap: 2rem;
}

.checker-copy {
  max-width: 560px;
}

.checker-form {
  margin-top: 2rem;
}

.form-label {
  display: block;
  margin-bottom: 0.85rem;
  color: var(--text);
  font-weight: 600;
}

.input-group {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

.input-field {
  width: 100%;
  min-width: 0;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 1rem 1.2rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.input-field:focus {
  border-color: rgba(91, 140, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(91, 140, 255, 0.1);
  background: rgba(255, 255, 255, 0.07);
}

.form-note {
  margin-top: 0.85rem;
  color: var(--muted);
}

.checker-surface {
  display: grid;
  gap: 1.2rem;
  height: 100%;
}

.checker-status {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  color: var(--muted);
}

.checker-summary {
  padding: 1.5rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.checker-details {
  display: grid;
  gap: 1rem;
}

.checker-details div {
  padding: 1rem 1.2rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.checker-details strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
}

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

.trust-list {
  display: grid;
  gap: 1rem;
}

.trust-item h3 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.roadmap-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.roadmap-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.roadmap-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: rgba(91, 140, 255, 0.12);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.88rem;
}

.how-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.how-step {
  display: grid;
  gap: 1rem;
}

.step-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.final-cta {
  padding: 5rem 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 2rem;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer-links h4 {
  margin-bottom: 1rem;
  color: var(--text);
}

.footer-links a {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--muted);
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
}

.footer-bottom {
  margin-top: 2rem;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .hero-grid,
  .checker-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .roadmap-grid,
  .how-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 1.15rem;
    margin: 0.75rem 0 0;
  }

  .header-actions {
    order: 2;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 1024px) {
  .container {
    width: min(100%, calc(100% - 1.5rem));
  }

  .hero {
    padding-top: 3.5rem;
  }

  .feature-grid,
  .roadmap-grid,
  .how-grid,
  .trust-grid {
    gap: 1.2rem;
  }

  .site-nav {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .header-actions {
    display: none;
  }

  .site-nav.open,
  .header-actions.open {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding-bottom: 1rem;
  }

  .site-header {
    padding: 0 0 0.5rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .input-group {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-copy h1 {
    font-size: 2.75rem;
  }
}

/* Footer — cohesive, premium footer styles */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  justify-content: space-between;
  padding: 2rem;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.03);
  margin-bottom: 1.25rem;
}

.footer-brand-area {
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-tag {
  color: var(--muted);
  margin-top: 0.25rem;
  font-size: 0.98rem;
}

.social-row {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(44px, 5.2vw, 50px);
  height: clamp(44px, 5.2vw, 50px);
  min-width: 44px;
  min-height: 44px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  color: rgba(255,255,255,0.95);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0;
}

.social-link i {
  font-family: "Font Awesome 6 Brands", "Font Awesome 6 Free", "Font Awesome 5 Brands";
  font-style: normal;
  font-weight: 400;
  font-size: 1.2rem;
  line-height: 1;
  display: inline-block;
  width: auto;
  height: auto;
  color: currentColor;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.social-link:focus-visible {
  outline: 3px solid rgba(91,140,255,0.18);
  outline-offset: 2px;
  border-radius: 14px;
}

.social-link:hover,
.social-link:focus {
  background: rgba(255,255,255,0.07);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(91,140,255,0.14);
  opacity: 1;
}

.footer-navs {
  display: flex;
  gap: 2.25rem;
  align-items: flex-start;
}

.footer-col h4 {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.footer-col a {
  display: block;
  color: var(--muted);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--text);
}

.footer-bottom {
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.02);
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 840px) {
  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-navs {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .footer-brand-area {
    align-items: center;
  }

  .footer-col {
    min-width: 140px;
  }
}

@media (max-width: 480px) {
  .footer-navs {
    flex-direction: column;
    gap: 1rem;
  }

  .social-link {
    width: 44px;
    height: 44px;
  }

  .footer-top {
    padding: 1.25rem;
  }
}
/* Mobile toggle button */
@media (max-width: 1024px) {
  .mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
  }
}

.toggle-bar {
  width: 100%;
  height: 3px;
  background-color: #fff;
  border-radius: 2px;
}