:root {
  color-scheme: light;
  --midnight: #071126;
  --deep-navy: #0b1733;
  --dark-bg: #070b18;
  --dark-surface: #10172a;
  --dark-surface-high: #17213a;
  --dark-text: #f4f7ff;
  --dark-muted: #b7c0d4;
  --dark-outline: #2a3652;
  --light-bg: #f5f7fc;
  --light-surface: #ffffff;
  --light-text: #101828;
  --light-muted: #536174;
  --light-outline: #d7dfef;
  --blue: #126bff;
  --cyan: #00d7ff;
  --purple: #7b2dff;
  --magenta: #d91dff;
  --red: #ff4f5e;
  --radius-card: 32px;
  --radius-control: 22px;
  --shadow-soft: 0 24px 70px rgba(16, 24, 40, 0.12);
  --shadow-dark: 0 28px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--light-bg);
  color: var(--light-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

body.dark-page {
  background: var(--dark-bg);
  color: var(--dark-text);
}

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

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 247, 252, 0.86);
  border-bottom: 1px solid rgba(215, 223, 239, 0.7);
  backdrop-filter: blur(18px);
}

.dark-page .site-header {
  background: rgba(7, 11, 24, 0.86);
  border-color: rgba(42, 54, 82, 0.72);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-size: 1.08rem;
  font-weight: 850;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(18, 107, 255, 0.24);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.nav-links a {
  border-radius: 999px;
  color: var(--light-muted);
  font-size: 0.92rem;
  font-weight: 750;
  padding: 8px 12px;
  text-decoration: none;
}

.dark-page .nav-links a {
  color: var(--dark-muted);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: rgba(18, 107, 255, 0.1);
  color: var(--blue);
}

.dark-page .nav-links a:hover,
.dark-page .nav-links a[aria-current="page"] {
  background: rgba(0, 215, 255, 0.12);
  color: var(--cyan);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
  padding: clamp(54px, 9vw, 110px) 0 clamp(46px, 8vw, 92px);
}

.hero-copy {
  max-width: 670px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dark-page .eyebrow {
  color: var(--cyan);
}

.eyebrow::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  content: "";
}

h1,
h2,
h3 {
  line-height: 1.08;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(2.55rem, 7vw, 5.7rem);
  font-weight: 900;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 850;
}

.lead {
  margin: 22px 0 0;
  color: var(--light-muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.dark-page .lead {
  color: var(--dark-muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--blue);
  color: #fff;
  font-weight: 850;
  padding: 14px 21px;
  text-decoration: none;
  box-shadow: 0 18px 44px rgba(18, 107, 255, 0.28);
}

.button:hover {
  background: #005cf0;
  color: #fff;
}

.button.secondary {
  background: rgba(18, 107, 255, 0.1);
  box-shadow: none;
  color: var(--blue);
}

.dark-page .button {
  background: var(--cyan);
  color: var(--midnight);
  box-shadow: 0 18px 44px rgba(0, 215, 255, 0.2);
}

.dark-page .button.secondary {
  background: rgba(0, 215, 255, 0.12);
  color: var(--cyan);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border-radius: 999px;
  background: #fff;
  color: var(--light-muted);
  font-size: 0.92rem;
  font-weight: 760;
  padding: 8px 13px;
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
}

.dark-page .pill {
  background: rgba(16, 23, 42, 0.88);
  color: var(--dark-muted);
}

.phone-stage {
  position: relative;
  min-height: 620px;
}

.phone {
  position: absolute;
  width: min(320px, 78vw);
  overflow: hidden;
  border: 10px solid #111827;
  border-radius: 44px;
  background: #111827;
  box-shadow: var(--shadow-dark);
}

.phone img {
  width: 100%;
  height: auto;
}

.phone.primary {
  right: 8%;
  top: 0;
  z-index: 2;
}

.phone.secondary {
  left: 2%;
  bottom: 0;
  width: min(250px, 60vw);
  opacity: 0.94;
}

.section {
  padding: clamp(56px, 9vw, 96px) 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-header p {
  margin: 16px 0 0;
  color: var(--light-muted);
  font-size: 1.12rem;
}

.dark-page .section-header p {
  color: var(--dark-muted);
}

.feature-grid,
.cards,
.summary-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.feature-card,
.card,
.content-card,
.contact-card,
.screenshot-card,
.report-card,
.faq details,
.mini-card {
  border: 1px solid rgba(215, 223, 239, 0.72);
  border-radius: var(--radius-card);
  background: var(--light-surface);
  box-shadow: var(--shadow-soft);
}

.dark-page .feature-card,
.dark-page .card,
.dark-page .content-card,
.dark-page .contact-card,
.dark-page .screenshot-card,
.dark-page .report-card,
.dark-page .faq details,
.dark-page .mini-card {
  border-color: rgba(42, 54, 82, 0.78);
  background: var(--dark-surface);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.26);
}

.feature-card,
.card,
.mini-card {
  padding: 24px;
}

.feature-card p,
.card span,
.mini-card p {
  color: var(--light-muted);
}

.dark-page .feature-card p,
.dark-page .card span,
.dark-page .mini-card p {
  color: var(--dark-muted);
}

.icon-tile {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--blue), var(--magenta));
  color: #fff;
  font-size: 1.35rem;
  font-weight: 850;
}

.screenshot-band {
  background: var(--midnight);
  color: var(--dark-text);
}

.screenshot-band .section-header p {
  color: var(--dark-muted);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.screenshot-card {
  overflow: hidden;
  background: var(--dark-surface);
}

.screenshot-card img {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  object-position: top center;
}

.screenshot-card figcaption {
  padding: 16px 18px 18px;
  color: var(--dark-muted);
  font-weight: 720;
}

.light-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}

.app-shot {
  overflow: hidden;
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.app-shot img {
  width: 100%;
}

.report-card {
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(135deg, #dce8ff, #eee0ff);
}

.report-card p {
  color: var(--light-muted);
  font-weight: 740;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 20px 22px;
}

.faq summary {
  cursor: pointer;
  font-weight: 850;
}

.faq p {
  margin: 12px 0 0;
  color: var(--light-muted);
}

.dark-page .faq p {
  color: var(--dark-muted);
}

.cta-panel {
  border-radius: 38px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  padding: clamp(30px, 7vw, 70px);
  box-shadow: 0 30px 90px rgba(18, 107, 255, 0.28);
}

.cta-panel p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.15rem;
}

.cta-panel .button {
  background: #fff;
  color: var(--blue);
  box-shadow: none;
}

.document {
  padding: 52px 0 80px;
}

.document-header {
  max-width: 820px;
  margin-bottom: 30px;
}

.document-header h1 {
  font-size: clamp(2.35rem, 6vw, 4.7rem);
}

.meta {
  margin-top: 16px;
  color: var(--light-muted);
  font-size: 0.92rem;
}

.dark-page .meta {
  color: var(--dark-muted);
}

.content-card,
.contact-card {
  max-width: 890px;
  padding: clamp(24px, 5vw, 58px);
}

.content-card > :first-child,
.contact-card > :first-child {
  margin-top: 0;
}

.content-card p,
.content-card li,
.contact-card address {
  color: var(--light-muted);
}

.dark-page .content-card p,
.dark-page .content-card li,
.dark-page .contact-card address {
  color: var(--dark-muted);
}

.content-card h2 {
  margin: 2.2rem 0 0.8rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.content-card h3 {
  margin: 1.5rem 0 0.4rem;
}

.content-card ul {
  padding-left: 1.3rem;
}

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--blue);
  border-radius: 0 18px 18px 0;
  background: rgba(18, 107, 255, 0.08);
}

.contact-card address {
  font-style: normal;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid rgba(215, 223, 239, 0.72);
}

.dark-page .site-footer {
  border-color: rgba(42, 54, 82, 0.72);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  color: var(--light-muted);
}

.dark-page .footer-inner {
  color: var(--dark-muted);
}

.footer-inner p {
  margin: 0;
}

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

  .phone-stage {
    min-height: 570px;
  }

  .phone.primary {
    right: 0;
  }

  .phone.secondary {
    left: 0;
  }

  .feature-grid,
  .cards,
  .summary-grid,
  .screenshot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .nav-links a {
    padding: 7px 9px;
  }

  .hero {
    padding-top: 38px;
  }

  .phone-stage {
    min-height: 510px;
  }

  .phone {
    border-width: 8px;
    border-radius: 36px;
  }

  .feature-grid,
  .cards,
  .summary-grid,
  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-card img {
    max-height: 620px;
    object-fit: contain;
    background: var(--dark-bg);
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .cta-panel {
    border-radius: 30px;
  }
}