:root {
  color-scheme: dark;
  --bg: #0a0a0f;
  --bg-soft: #121220;
  --surface: rgba(18, 20, 34, 0.84);
  --surface-strong: rgba(24, 26, 45, 0.94);
  --border: rgba(76, 84, 132, 0.26);
  --border-strong: rgba(108, 116, 180, 0.34);
  --text: #f0f0f8;
  --text-secondary: #a6a6bb;
  --text-muted: #72728a;
  --primary: #6c63ff;
  --primary-soft: rgba(108, 99, 255, 0.16);
  --teal: #4ecdc4;
  --danger: #ff6b6b;
  --shadow: 0 24px 80px rgba(3, 4, 12, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(108, 99, 255, 0.24), transparent 28%),
    radial-gradient(circle at top right, rgba(78, 205, 196, 0.16), transparent 24%),
    linear-gradient(180deg, #09090f 0%, #0a0a12 45%, #0b1020 100%);
  color: var(--text);
}

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

img {
  max-width: 100%;
}

.site-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar,
.footer,
.hero,
.section,
.support-grid {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 10px 0 28px;
}

.topbar-start {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.language-button {
  min-width: 48px;
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.language-button::before {
  margin-right: 6px;
}

.language-button[data-lang-switch="tr"]::before {
  content: "🇹🇷";
}

.language-button[data-lang-switch="en"]::before {
  content: "🇬🇧";
}

.language-button.is-active {
  background: linear-gradient(135deg, var(--primary-soft), rgba(78, 205, 196, 0.12));
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(108, 99, 255, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 0 28px rgba(108, 99, 255, 0.8);
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.panel {
  background: linear-gradient(180deg, rgba(24, 26, 45, 0.95), rgba(14, 15, 28, 0.92));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  padding: 42px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -20% -35% auto;
  width: 380px;
  height: 380px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.22) 0%, rgba(108, 99, 255, 0) 70%);
  pointer-events: none;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h1,
.section-heading h2,
.cta h2 {
  margin: 14px 0 0;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}

.lead,
.section-heading p,
.legal-card p,
.feature-card p,
.cta p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.lead {
  max-width: 58ch;
  margin: 20px 0 0;
  font-size: 1.04rem;
}

.hero-actions,
.cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), #8f73ff);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
}

.hero-points,
.check-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li,
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-points li + li,
.check-list li + li {
  margin-top: 10px;
}

.hero-points li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--teal));
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-card {
  width: min(100%, 420px);
  padding: 24px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(27, 29, 52, 0.98), rgba(14, 15, 29, 0.96)),
    rgba(19, 20, 36, 0.92);
  border: 1px solid rgba(120, 126, 182, 0.28);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.device-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.device-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--teal);
  box-shadow: 0 0 18px rgba(78, 205, 196, 0.8);
}

.score-ring {
  display: grid;
  place-items: center;
  width: 220px;
  height: 220px;
  margin: 26px auto 22px;
  border-radius: 999px;
  background: conic-gradient(var(--teal) 0 24%, rgba(255, 255, 255, 0.08) 24% 100%);
}

.score-ring-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(17, 18, 33, 1), rgba(13, 14, 26, 1));
  border: 1px solid rgba(100, 106, 160, 0.24);
}

.score-ring-inner strong {
  font-size: 3.1rem;
  letter-spacing: -0.06em;
}

.score-ring-inner span {
  color: var(--teal);
  font-weight: 700;
}

.metric-grid,
.feature-grid,
.support-grid {
  display: grid;
  gap: 16px;
}

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

.metric-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(107, 113, 172, 0.18);
}

.metric-card span {
  display: block;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
}

.section {
  margin-top: 28px;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 18px;
}

.section-heading h2,
.section-heading h1,
.cta h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.section-heading.compact {
  margin-bottom: 0;
}

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

.feature-card,
.privacy-panel,
.legal-card,
.cta {
  border-radius: var(--radius-lg);
}

.feature-card {
  padding: 28px;
}

.feature-card h3,
.legal-card h2,
.legal-card h3 {
  margin: 0 0 12px;
  letter-spacing: -0.04em;
}

.two-column {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 18px;
  align-items: start;
}

.privacy-panel,
.legal-card,
.cta {
  padding: 28px;
}

.text-link,
.support-email {
  color: var(--teal);
  font-weight: 700;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding-top: 12px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 16px;
}

.legal-shell .legal-layout {
  display: grid;
  gap: 18px;
}

.legal-card h2 + p,
.legal-card h3 + p {
  margin-top: 0;
}

.legal-card h2:not(:first-child),
.legal-card h3:not(:first-child) {
  margin-top: 24px;
}

@media (max-width: 980px) {
  .hero,
  .two-column,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 28px;
  }

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

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 18px;
  }

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

  .topbar-start {
    width: 100%;
    justify-content: space-between;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 16px;
  }

  .hero h1 {
    max-width: 100%;
  }

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

  .device-card,
  .feature-card,
  .privacy-panel,
  .legal-card,
  .cta {
    padding: 22px;
  }

  .score-ring {
    width: 190px;
    height: 190px;
  }

  .score-ring-inner {
    width: 128px;
    height: 128px;
  }
}