/* Variables */
:root {
  --color-bg: #070B14;
  --color-surface: #101827;
  --color-surface-hover: #162238;
  --color-primary: #8B5CF6;
  --color-primary-hover: #A78BFA;
  --color-primary-bright: #C4B5FD;
  --color-primary-pale: #DDD6FE;
  --color-primary-soft: rgba(139, 92, 246, 0.12);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-glow: rgba(167, 139, 250, 0.34);
  --color-text: #F8FAFC;
  --color-text-secondary: #CBD5E1;
  --color-text-muted: #94A3B8;
  --color-button-text: #ffffff;
  --container-width: 1180px;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.42);
  --shadow-glow: 0 0 0 1px rgba(167, 139, 250, 0.28), 0 24px 70px rgba(139, 92, 246, 0.30);
  --gradient-border:
    linear-gradient(150deg, rgba(167, 139, 250, 0.45), rgba(139, 92, 246, 0.05) 45%, rgba(196, 181, 253, 0.30));
  --gradient-button:
    linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
  --gradient-button-hover:
    linear-gradient(135deg, #A78BFA 0%, #C4B5FD 100%);
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
p,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

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

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

/* Base */
body {
  position: relative;
  min-height: 100vh;
  color: var(--color-text);
  background:
    radial-gradient(60% 50% at 12% -10%, rgba(139, 92, 246, 0.30), transparent 70%),
    radial-gradient(50% 40% at 95% 8%, rgba(196, 181, 253, 0.16), transparent 75%),
    radial-gradient(70% 50% at 50% 100%, rgba(167, 139, 250, 0.20), transparent 80%),
    linear-gradient(180deg, #060912 0%, #0A0E1C 48%, #06070F 100%);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(rgba(196, 181, 253, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  content: "";
  opacity: 0.5;
  pointer-events: none;
  mask-image: radial-gradient(60% 70% at 50% 30%, rgba(0, 0, 0, 0.95), transparent 85%);
}

::selection {
  color: #ffffff;
  background: rgba(139, 92, 246, 0.55);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(196, 181, 253, 0.8);
  outline-offset: 4px;
}

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

.eyebrow {
  color: var(--color-primary-bright);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--color-text);
  line-height: 1.14;
}

p {
  color: var(--color-text-secondary);
}

p a,
.faq-item a {
  color: var(--color-primary-bright);
  font-weight: 700;
  transition: color 160ms ease;
}

p a:hover,
.faq-item a:hover {
  color: var(--color-primary-pale);
}

/* Layout */
.section {
  padding: 100px 0;
}

.section-muted {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(12, 18, 32, 0.42);
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading-left {
  margin: 0;
  text-align: left;
}

.section-heading h2 {
  margin-top: 10px;
  font-size: 44px;
  letter-spacing: -0.01em;
}

.section-heading p,
.text-stack p {
  margin-top: 16px;
  font-size: 18px;
}

.split-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}

.text-stack {
  display: grid;
  gap: 18px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(167, 139, 250, 0.14);
  background: rgba(6, 9, 18, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header-inner {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-link {
  flex: 0 0 auto;
}

.header-logo {
  width: 150px;
  height: auto;
}

.header-cta {
  flex: 0 0 auto;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.main-nav a {
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--color-text-secondary);
  transition: color 160ms ease, background-color 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-text);
  background: var(--color-primary-soft);
}

/* Hero */
.hero-section {
  padding: 86px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 56px;
  align-items: center;
}

.hero-content h1 {
  max-width: 800px;
  margin-top: 16px;
  font-size: 58px;
  line-height: 1.04;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #F8FAFC 0%, #C4B5FD 60%, #A78BFA 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  max-width: 720px;
  margin-top: 22px;
  font-size: 20px;
}

.hero-actions,
.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-badges span {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--color-border-glow);
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.07);
  color: var(--color-primary-pale);
  font-weight: 600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.cta-captions {
  display: grid;
  gap: 4px;
  margin-top: 16px;
  font-size: 14px;
}

.cta-captions p {
  color: var(--color-text-muted);
}

.hero-visual {
  min-width: 0;
}

.premium-card {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(165deg, rgba(22, 18, 42, 0.88), rgba(12, 14, 28, 0.74));
  box-shadow: var(--shadow-soft), 0 0 100px rgba(139, 92, 246, 0.18);
}

.premium-card::before {
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-border);
  content: "";
  pointer-events: none;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
}

.card-glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.45), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.card-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-pill {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--gradient-button);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 8px 22px rgba(139, 92, 246, 0.4);
}

.card-title {
  color: var(--color-text);
  font-size: 18px;
  font-weight: 700;
}

.card-list {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 28px 0;
}

.card-list li {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text-secondary);
  font-size: 14px;
}

.check {
  display: inline-flex;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-button);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 0 14px rgba(139, 92, 246, 0.4);
}

.card-metrics {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.card-metrics article {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.06);
  text-align: center;
}

.card-metrics strong {
  display: block;
  color: var(--color-primary-bright);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
}

.card-metrics span {
  display: block;
  margin-top: 6px;
  color: var(--color-text-muted);
  font-size: 12px;
}

/* Cards */
.cards-grid {
  display: grid;
  gap: 22px;
}

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

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

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

.sources-grid {
  grid-template-columns: repeat(4, 1fr);
}

.verify-card,
.clone-card,
.privacy-card,
.source-card,
.faq-item {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(165deg, rgba(22, 18, 42, 0.6), rgba(12, 16, 28, 0.5));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.verify-card::before,
.clone-card::before,
.privacy-card::before,
.source-card::before,
.faq-item::before {
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(150deg, rgba(167, 139, 250, 0.32), rgba(139, 92, 246, 0.05) 60%, rgba(196, 181, 253, 0.18));
  content: "";
  pointer-events: none;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
}

.verify-card:hover,
.clone-card:hover,
.privacy-card:hover,
.source-card:hover,
.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 60px rgba(139, 92, 246, 0.24);
}

.verify-card h3,
.clone-card h3,
.privacy-card h3,
.source-card h3,
.faq-item h3 {
  font-size: 20px;
  color: var(--color-text);
}

.verify-card p,
.clone-card p,
.privacy-card p,
.source-card p,
.faq-item p {
  margin-top: 12px;
}

.card-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--gradient-button);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 10px 26px rgba(139, 92, 246, 0.32);
}

.check-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.check-list li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gradient-button);
  box-shadow: 0 0 12px rgba(167, 139, 250, 0.6);
  content: "";
}

/* Source card */
.source-card {
  display: flex;
  flex-direction: column;
}

.source-platform {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 12px;
  border: 1px solid var(--color-border-glow);
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.06);
  color: var(--color-primary-bright);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  align-self: flex-start;
}

/* Buttons */
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button-primary {
  background: var(--gradient-button);
  color: var(--color-button-text);
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.32), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.button-primary:hover {
  background: var(--gradient-button-hover);
  box-shadow: var(--shadow-glow);
}

.button-secondary {
  border-color: var(--color-border-glow);
  background: rgba(139, 92, 246, 0.06);
  color: var(--color-primary-pale);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.button-secondary:hover {
  border-color: var(--color-primary-hover);
  background: var(--color-primary-soft);
  color: var(--color-text);
}

.button-ghost {
  background: transparent;
  color: var(--color-primary-bright);
}

.button-ghost:hover {
  color: var(--color-primary-pale);
  background: var(--color-primary-soft);
}

/* FAQ */
.faq-list {
  display: grid;
  max-width: 880px;
  margin: 0 auto;
  gap: 16px;
}

.faq-item {
  padding: 26px;
}

/* Footer */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid rgba(167, 139, 250, 0.18);
  background: rgba(4, 6, 14, 0.85);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr auto;
  gap: 36px;
  align-items: start;
}

.footer-brand img {
  width: 168px;
  height: auto;
}

.footer-brand p {
  max-width: 360px;
  margin-top: 16px;
  color: var(--color-text-muted);
}

.footer-nav {
  display: grid;
  gap: 10px;
}

.footer-nav h3 {
  margin-bottom: 2px;
  font-size: 16px;
}

.footer-nav a {
  color: var(--color-text-secondary);
  transition: color 160ms ease;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-primary-bright);
}

.footer-year {
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 1040px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 14px 24px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero-grid,
  .split-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .verify-grid,
  .clones-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 720px) {
  .container {
    padding: 0 18px;
  }

  .section {
    padding: 72px 0;
  }

  .hero-section {
    padding: 56px 0;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .hero-text,
  .section-heading p,
  .text-stack p {
    font-size: 16px;
  }

  .header-logo {
    width: 132px;
  }

  .header-cta {
    display: none;
  }

  .hero-actions,
  .section-cta {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .verify-grid,
  .clones-grid,
  .privacy-grid,
  .sources-grid,
  .card-metrics,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .premium-card {
    padding: 24px;
  }
}

@media (max-width: 420px) {
  .hero-content h1 {
    font-size: 30px;
  }

  .section-heading h2 {
    font-size: 26px;
  }

  .verify-card,
  .clone-card,
  .privacy-card,
  .source-card,
  .faq-item {
    padding: 22px;
  }
}