:root {
  --navy-950: #000814;
  --navy-900: #001428;
  --navy-800: #001f3f;
  --navy-700: #0a2744;
  --blue-500: #007aff;
  --blue-400: #3395ff;
  --blue-600: #0062cc;
  --white: #ffffff;
  --muted: #94a8c4;
  --muted-dark: #6b849f;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-width: 1120px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--white);
  background:
    radial-gradient(ellipse 120% 60% at 50% -5%, rgba(0, 122, 255, 0.22), transparent 50%),
    linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 45%, var(--navy-950) 100%);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue-400);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(0, 8, 20, 0.72);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-link:hover {
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.brand-name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-kk {
  color: var(--blue-500);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--white);
  background: rgba(0, 122, 255, 0.15);
  text-decoration: none;
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  margin: 16px 0 14px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0;
  max-width: 52ch;
  font-size: 1.08rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(0, 122, 255, 0.14);
  border: 1px solid rgba(0, 122, 255, 0.35);
  color: var(--blue-400);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
}

.btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-visual,
.product-shot {
  padding: 18px;
  border-radius: var(--radius-xl);
  background: var(--glass);
  border: 1px solid var(--glass-border);
}

.hero-visual img,
.product-shot img {
  width: 100%;
  border-radius: calc(var(--radius-xl) - 8px);
}

.section {
  padding: 28px 0 56px;
}

.section-title {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 28px;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.6;
}

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

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

.glass-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.glass-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
  font-size: 0.95rem;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: rgba(0, 122, 255, 0.16);
  color: var(--blue-400);
  font-weight: 800;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.feature-list li::before {
  content: "✓";
  color: var(--blue-400);
  font-weight: 800;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.cta-band {
  margin: 24px 0 56px;
  padding: 32px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.18), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(0, 122, 255, 0.25);
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 10px;
  font-size: 1.6rem;
}

.cta-band p {
  margin: 0 auto 20px;
  max-width: 52ch;
  color: var(--muted);
  line-height: 1.6;
}

.legal-page {
  padding: 48px 0 72px;
}

.legal-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px;
  border-radius: var(--radius-xl);
  background: var(--glass);
  border: 1px solid var(--glass-border);
}

.legal-card h1 {
  margin-top: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.legal-card h2 {
  margin-top: 32px;
  font-size: 1.15rem;
  color: var(--blue-400);
}

.legal-card p,
.legal-card li {
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
}

.legal-card ul {
  padding-left: 20px;
}

.disclaimer-box {
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 196, 86, 0.08);
  border: 1px solid rgba(255, 196, 86, 0.28);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  line-height: 1.55;
}

.site-footer {
  padding: 28px 0 calc(28px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 8, 20, 0.55);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.88rem;
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero-grid,
  .two-col,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

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

@media (max-width: 600px) {
  .container {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .site-nav {
    width: 100%;
  }
}