:root {
  color-scheme: light;
  --blue-950: #05294a;
  --blue-900: #073b67;
  --blue-800: #07558f;
  --blue-700: #0068b9;
  --blue-600: #0078d7;
  --blue-500: #1688df;
  --blue-100: #dcefff;
  --blue-50: #eff8ff;
  --ink: #132333;
  --muted: #526578;
  --line: #d7e1ea;
  --paper: #ffffff;
  --wash: #f5f8fb;
  --success: #15803d;
  --warning-bg: #fff8df;
  --warning-line: #e7b931;
  --shadow: 0 18px 60px rgb(5 41 74 / 12%);
  --radius: 20px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont,
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--blue-700);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--blue-900);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #fff;
  background: var(--blue-950);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgb(215 225 234 / 85%);
  background: rgb(255 255 255 / 92%);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--blue-950);
  font-size: 1rem;
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  color: var(--ink);
  font-size: 0.93rem;
  font-weight: 620;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--blue-700);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 108px;
  background:
    radial-gradient(circle at 78% 20%, rgb(22 136 223 / 24%), transparent 27rem),
    linear-gradient(145deg, #f9fcff 0%, #eaf6ff 52%, #fff 100%);
}

.hero::before {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgb(0 120 215 / 14%);
  border-radius: 50%;
  content: "";
  right: -160px;
  bottom: -210px;
}

.hero-grid {
  position: relative;
  display: grid;
  align-items: center;
  grid-template-columns: 1.03fr 0.97fr;
  gap: clamp(44px, 7vw, 96px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--blue-800);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 26px;
  height: 3px;
  background: var(--blue-600);
  border-radius: 999px;
  content: "";
}

h1,
h2,
h3 {
  color: var(--blue-950);
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.75rem, 5.9vw, 5.2rem);
  font-weight: 780;
  letter-spacing: -0.057em;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 750;
  letter-spacing: -0.045em;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  font-weight: 720;
  letter-spacing: -0.025em;
}

.hero-lead {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 21px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  color: #fff;
  background: var(--blue-600);
  box-shadow: 0 10px 28px rgb(0 120 215 / 22%);
}

.button-primary:hover {
  color: #fff;
  background: var(--blue-800);
}

.button-secondary {
  color: var(--blue-900);
  background: #fff;
  border-color: var(--line);
}

.button-secondary:hover {
  background: var(--blue-50);
}

.button-disabled {
  cursor: default;
  color: #fff;
  background: var(--blue-600);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 26px;
  margin: 28px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.91rem;
  list-style: none;
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-row li::before {
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  color: #fff;
  background: var(--success);
  border-radius: 50%;
  content: "✓";
  font-size: 0.72rem;
  font-weight: 800;
}

.app-window {
  overflow: hidden;
  border: 1px solid rgb(178 201 220 / 80%);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  color: var(--muted);
  background: #f4f7fa;
  border-bottom: 1px solid var(--line);
  font-size: 0.76rem;
}

.window-icon {
  width: 25px;
  height: 25px;
}

.window-controls {
  display: flex;
  gap: 7px;
  margin-left: auto;
}

.window-controls span {
  width: 11px;
  height: 11px;
  border: 1px solid #9fb1c1;
  border-radius: 50%;
}

.app-panel-head {
  padding: 24px 26px;
  color: #fff;
  background: linear-gradient(120deg, var(--blue-800), var(--blue-600));
}

.app-panel-head strong {
  display: block;
  font-size: 1.35rem;
}

.app-panel-head span {
  color: #d9efff;
  font-size: 0.83rem;
}

.profile-panel {
  padding: 23px 25px 26px;
}

.profile-panel > strong {
  display: block;
  margin-bottom: 13px;
  color: var(--blue-950);
  font-size: 0.9rem;
}

.profile-row {
  display: grid;
  align-items: center;
  padding: 12px 10px;
  border-top: 1px solid #e5ecf2;
  grid-template-columns: 28px 1fr auto;
  gap: 9px;
  font-size: 0.83rem;
}

.check {
  display: grid;
  width: 19px;
  height: 19px;
  place-items: center;
  color: #fff;
  background: var(--blue-600);
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 800;
}

.check.off {
  color: transparent;
  background: #fff;
  border: 1px solid #9fb1c1;
}

.state {
  padding: 3px 8px;
  color: var(--success);
  background: #e9f9ee;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
}

.state.off {
  color: #53687b;
  background: #edf1f4;
}

.section {
  padding: 100px 0;
}

.section-wash {
  background: var(--wash);
}

.section-blue {
  color: #e8f5ff;
  background: var(--blue-950);
}

.section-blue h2,
.section-blue h3 {
  color: #fff;
}

.section-blue p {
  color: #c8deee;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.feature-card {
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 28px rgb(5 41 74 / 5%);
}

.feature-number {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 21px;
  place-items: center;
  color: var(--blue-800);
  background: var(--blue-100);
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 800;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  counter-reset: steps;
}

.step {
  position: relative;
  padding-top: 66px;
  counter-increment: steps;
}

.step::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--blue-950);
  background: #fff;
  border-radius: 50%;
  content: counter(steps);
  font-weight: 800;
}

.privacy-split {
  display: grid;
  align-items: start;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(42px, 8vw, 100px);
}

.privacy-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 16px;
}

.privacy-list li {
  padding: 20px 22px;
  border-left: 4px solid var(--blue-600);
  background: #fff;
  border-radius: 0 12px 12px 0;
  box-shadow: 0 8px 24px rgb(5 41 74 / 6%);
}

.faq-list {
  max-width: 820px;
  margin-inline: auto;
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  padding: 22px 36px 22px 0;
  color: var(--blue-950);
  cursor: pointer;
  font-weight: 700;
}

details p {
  max-width: 720px;
  margin: -4px 0 22px;
  color: var(--muted);
}

.cta {
  padding: 55px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 0%, rgb(255 255 255 / 18%), transparent 15rem),
    linear-gradient(125deg, var(--blue-800), var(--blue-600));
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.cta h2 {
  max-width: 700px;
  color: #fff;
}

.cta p {
  max-width: 680px;
  color: #ddecf8;
}

.site-footer {
  padding: 58px 0 28px;
  color: #b9cddd;
  background: #031d32;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 42px;
}

.footer-brand {
  color: #fff;
}

.footer-copy {
  max-width: 400px;
  margin: 16px 0 0;
  color: #a7bfd0;
  font-size: 0.9rem;
}

.footer-title {
  margin: 0 0 13px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 9px;
}

.footer-links a {
  color: #c9dbea;
  font-size: 0.91rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 46px;
  padding-top: 23px;
  border-top: 1px solid rgb(255 255 255 / 12%);
  color: #8fa9bc;
  font-size: 0.8rem;
}

.page-hero {
  padding: 72px 0 62px;
  background: linear-gradient(145deg, var(--blue-50), #fff);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
}

.page-hero p {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.legal {
  display: grid;
  padding: 70px 0 100px;
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}

.legal h2 {
  margin-top: 52px;
  font-size: 1.65rem;
  letter-spacing: -0.025em;
}

.legal h2:first-child {
  margin-top: 0;
}

.legal h3 {
  margin-top: 30px;
  font-size: 1.12rem;
}

.legal p,
.legal li {
  color: #34495d;
}

.legal code {
  color: var(--blue-900);
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.92em;
}

.notice {
  padding: 18px 20px;
  border: 1px solid var(--warning-line);
  border-radius: 12px;
  background: var(--warning-bg);
}

.placeholder {
  display: inline-block;
  padding: 2px 7px;
  color: #7a5200;
  background: #fff1b8;
  border-radius: 4px;
  font-weight: 700;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.support-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.support-card p:last-child {
  margin-bottom: 0;
}

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

  .hero {
    padding-top: 72px;
  }

  .app-window {
    width: min(100%, 620px);
    margin-inline: auto;
    transform: none;
  }

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

  .feature-grid {
    max-width: 680px;
  }

  .steps {
    gap: 12px;
  }

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

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

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

  .site-header {
    position: static;
  }

  .nav {
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 15px 0 17px;
  }

  .nav-links {
    width: 100%;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .nav-links a {
    white-space: nowrap;
  }

  .hero,
  .section {
    padding: 68px 0;
  }

  h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

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

  .button {
    width: 100%;
  }

  .app-panel-head,
  .profile-panel {
    padding-inline: 18px;
  }

  .profile-row {
    grid-template-columns: 24px 1fr;
  }

  .state {
    display: none;
  }

  .feature-card,
  .support-card {
    padding: 23px;
  }

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

  .footer-grid > :first-child {
    grid-column: auto;
  }

  .cta {
    padding: 33px 25px;
    border-radius: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}