:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f7f8fb;
  --color-text: #111827;
  --color-muted: #5f6878;
  --color-subtle: #8a93a3;
  --color-line: #e5e8ef;
  --color-card: rgba(255, 255, 255, 0.88);
  --color-primary: #635bff;
  --color-primary-dark: #4338ca;
  --color-primary-soft: #eef0ff;
  --shadow-soft: 0 18px 54px rgba(17, 24, 39, 0.08);
  --shadow-card: 0 12px 34px rgba(17, 24, 39, 0.07);
  --radius-card: 22px;
  --radius-small: 14px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color 180ms ease, opacity 180ms ease, border-color 180ms ease, transform 180ms ease;
}

a:hover {
  color: var(--color-primary);
}

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

.narrow {
  width: min(100% - 40px, 780px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(229, 232, 239, 0.74);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0;
}

.brand:hover {
  color: var(--color-text);
}

.brand img {
  border-radius: 10px;
}

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

.nav-links a,
.footer-nav a {
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.footer-nav a:hover {
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
}

.hero {
  overflow: hidden;
  padding: 92px 0 82px;
  background:
    radial-gradient(circle at 78% 12%, rgba(99, 91, 255, 0.13), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f8f9fd 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  align-items: center;
  gap: 64px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(3.1rem, 8vw, 6.2rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.tagline {
  margin-bottom: 16px;
  color: var(--color-primary-dark);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-weight: 750;
  line-height: 1.15;
}

.hero-intro {
  max-width: 580px;
  margin-bottom: 30px;
  color: var(--color-muted);
  font-size: 1.22rem;
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 750;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button-primary {
  background: var(--color-text);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.18);
}

.button-primary:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.button-secondary {
  background: #ffffff;
  color: var(--color-text);
  border-color: var(--color-line);
  box-shadow: 0 8px 22px rgba(17, 24, 39, 0.06);
}

.button-secondary:hover {
  color: var(--color-primary-dark);
  border-color: rgba(99, 91, 255, 0.28);
}

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

.phone-frame {
  width: min(100%, 350px);
  padding: 12px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 48px;
  background: linear-gradient(145deg, #1b2030, #060812);
  box-shadow: 0 36px 80px rgba(17, 24, 39, 0.22);
}

.phone-frame img {
  width: 100%;
  border-radius: 37px;
  overflow: hidden;
}

.section {
  padding: 86px 0;
}

.section-muted {
  background: var(--color-bg-soft);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 430px);
  gap: 52px;
  align-items: start;
}

.section-copy,
.privacy-band p,
.legal p,
.card p,
.disclaimer p {
  color: var(--color-muted);
}

.insight-list {
  display: grid;
  gap: 12px;
}

.insight-list span {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(17, 24, 39, 0.045);
  color: var(--color-text);
  font-weight: 720;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.privacy-band {
  background:
    linear-gradient(135deg, rgba(99, 91, 255, 0.09), rgba(255, 255, 255, 0) 46%),
    #ffffff;
}

.privacy-band .narrow {
  padding: 38px;
  border: 1px solid var(--color-line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-soft);
}

.disclaimer-section {
  padding-top: 0;
}

.disclaimer {
  padding: 26px;
  border: 1px solid rgba(99, 91, 255, 0.22);
  border-radius: var(--radius-card);
  background: var(--color-primary-soft);
}

.disclaimer h2 {
  margin-bottom: 10px;
  font-size: 1.4rem;
}

.disclaimer p {
  margin-bottom: 0;
}

.page {
  padding: 70px 0 88px;
}

.legal {
  max-width: 860px;
}

.legal h1 {
  margin-bottom: 34px;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
}

.legal section {
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
}

.legal h2 {
  margin-bottom: 10px;
  font-size: 1.5rem;
  line-height: 1.24;
}

.legal h3 {
  font-size: 1.05rem;
}

.legal p:last-child,
.legal ul:last-child {
  margin-bottom: 0;
}

.support-panel {
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-bg-soft);
}

.clean-list {
  display: grid;
  gap: 8px;
  padding-left: 20px;
  color: var(--color-muted);
}

.faq {
  display: grid;
  gap: 14px;
}

.faq article {
  padding: 18px 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: #ffffff;
}

.faq h3 {
  margin-bottom: 6px;
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: #ffffff;
}

.footer-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner p {
  margin: 0;
  color: var(--color-subtle);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .hero {
    padding: 62px 0 68px;
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .phone-frame {
    width: min(100%, 320px);
  }

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

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(100% - 28px, var(--max-width));
  }

  .nav {
    min-height: 84px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 12px 0;
  }

  .nav-links,
  .footer-nav {
    gap: 4px;
  }

  .nav-links a,
  .footer-nav a {
    padding: 7px 8px;
    font-size: 0.9rem;
  }

  .hero {
    padding: 46px 0 58px;
  }

  h1 {
    font-size: clamp(2.8rem, 16vw, 4.2rem);
  }

  h2 {
    font-size: 2rem;
  }

  .hero-intro {
    font-size: 1.08rem;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 58px 0;
  }

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

  .card {
    min-height: auto;
  }

  .privacy-band .narrow {
    padding: 26px;
    border-radius: 22px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 22px 0;
  }
}