:root {
  --accent: #4a9ef7;
  --accent-soft: #eef7ff;
  --accent-border: #d3e7ff;
  --ink: #050505;
  --muted: #6b7280;
  --body: #374151;
  --line: #e5e7eb;
  --bg: #ffffff;
  --font-body: Inter, ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  --font-display: ui-rounded, -apple-system-rounded, "SF Pro Rounded", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
}

a {
  color: inherit;
}

.home {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 80px;
}

.hero {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.hero-copy {
  flex: 1;
  max-width: 620px;
}

.headline {
  margin-bottom: 12px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 650;
  line-height: 1.1;
}

.accent {
  color: var(--accent);
  font-weight: 760;
}

.subtitle {
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 30px;
  line-height: 1.35;
}

.subtitle .accent {
  font-weight: 560;
}

.badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  min-width: 156px;
  min-height: 52px;
  border-radius: 10px;
  background: #0b0b0b;
  color: #fff;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 18px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.badge:hover {
  opacity: 0.85;
}

.badge-small {
  font-size: 11px;
  line-height: 1;
  opacity: 0.86;
}

.badge-large {
  margin-top: 3px;
  font-size: 19px;
  font-weight: 650;
  line-height: 1;
}

.hero-art {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-card {
  width: 350px;
  height: 622px;
  border-radius: 24px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.phone {
  position: relative;
  width: 240px;
  aspect-ratio: 1206 / 2622;
  overflow: hidden;
  border: 4px solid #333;
  border-radius: 36px;
  background: #1a1a1a;
  box-shadow: 0 8px 32px rgb(0 0 0 / 15%);
}

.screen {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 32px;
  background: #edf1f4;
  padding: 11px 12px 18px;
}

.status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #050505;
  font-size: 14px;
  font-weight: 750;
}

.island {
  position: absolute;
  left: 50%;
  top: 12px;
  width: 76px;
  height: 28px;
  border-radius: 999px;
  background: #000;
  transform: translateX(-50%);
}

.signal {
  color: #111827;
  font-size: 12px;
  font-weight: 800;
}

.notice {
  margin-top: 38px;
  min-height: 62px;
  border-radius: 18px;
  background: rgb(255 255 255 / 70%);
  box-shadow: 0 16px 34px rgb(15 23 42 / 10%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
}

.mini-icon,
.app-icon {
  border-radius: 13px;
  background: linear-gradient(145deg, #66d3ff, #2688f2);
  display: grid;
  place-items: center;
  flex: none;
}

.mini-icon {
  width: 42px;
  height: 42px;
}

.app-icon {
  width: 74px;
  height: 74px;
  margin: 70px auto 18px;
  border-radius: 18px;
}

.lock {
  position: relative;
  width: 24px;
  height: 20px;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 5px 12px rgb(12 74 152 / 25%);
}

.lock::before {
  content: "";
  position: absolute;
  left: 6px;
  top: -13px;
  width: 12px;
  height: 16px;
  border: 4px solid #fff;
  border-bottom: 0;
  border-radius: 999px 999px 0 0;
}

.lock::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  width: 5px;
  height: 8px;
  border-radius: 999px;
  background: #2575ed;
}

.notice-copy {
  min-width: 0;
  flex: 1;
}

.notice-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: #3f3f46;
  font-size: 12px;
  font-weight: 650;
}

.notice-title {
  margin-top: 3px;
  color: #111;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.05;
}

.notice-body {
  margin-top: 3px;
  color: #3f3f46;
  font-size: 13px;
  line-height: 1.1;
}

.screen-brand {
  text-align: center;
}

.screen-brand h2 {
  margin-bottom: 10px;
  color: #111;
  font-family: var(--font-display);
  font-size: 29px;
  font-weight: 760;
}

.screen-brand p {
  max-width: 160px;
  margin: 0 auto;
  color: #4b5563;
  font-size: 14px;
  line-height: 1.2;
}

.screen-button {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 84px;
  min-height: 54px;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 15px;
  font-weight: 650;
}

.screen-outline {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 22px;
  min-height: 54px;
  border: 1px solid #d1d9e4;
  border-radius: 16px;
  color: #df2027;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 15px;
  font-weight: 650;
}

.page-wrapper {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 32px 48px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 40px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 550;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.back-link:hover {
  opacity: 0.7;
}

.page-title {
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 650;
  line-height: 1.15;
}

.page-subtitle,
.last-updated {
  color: var(--muted);
}

.page-subtitle {
  margin-bottom: 48px;
  font-size: 18px;
  line-height: 1.5;
}

.last-updated {
  margin-bottom: 48px;
  font-size: 13px;
}

.section {
  margin-bottom: 40px;
}

.section-title {
  margin-bottom: 16px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 650;
}

.section-body {
  color: var(--body);
  font-size: 15px;
  line-height: 1.7;
}

.section-body p,
.section-body ul {
  margin-bottom: 12px;
}

.section-body ul {
  padding-left: 20px;
}

.section-body li {
  margin-bottom: 8px;
}

.section-body a,
.faq-answer a {
  color: var(--accent);
  font-weight: 550;
  text-decoration: none;
}

.section-body a:hover,
.faq-answer a:hover {
  text-decoration: underline;
}

.section-body strong {
  color: var(--ink);
  font-weight: 650;
}

.faq {
  margin-bottom: 40px;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-question {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 650;
}

.faq-answer {
  color: var(--body);
  font-size: 15px;
  line-height: 1.7;
}

.contact-card {
  margin-top: 48px;
  padding: 32px;
  border: 1px solid var(--accent-border);
  border-radius: 16px;
  background: var(--accent-soft);
  text-align: center;
}

.contact-card h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 650;
}

.contact-card p {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 15px;
}

.contact-link {
  display: inline-block;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 550;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.contact-link:hover {
  opacity: 0.85;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 24px 16px 20px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
  list-style: none;
}

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

.footer-links li:not(:last-child)::after {
  content: ".";
  color: var(--muted);
  font-size: 12px;
}

.footer-links a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1100px) {
  .home {
    padding: 40px 48px;
  }

  .headline {
    font-size: 72px;
  }

  .subtitle {
    font-size: 24px;
  }

  .app-card {
    width: 280px;
    height: 497px;
  }

  .phone {
    width: 200px;
  }

  .screen {
    padding: 9px 10px 16px;
  }

  .notice {
    margin-top: 32px;
  }

  .app-icon {
    margin-top: 52px;
  }
}

@media (max-width: 768px) {
  .home {
    padding: 32px 24px;
  }

  .hero {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }

  .headline {
    font-size: 48px;
  }

  .subtitle {
    font-size: 20px;
  }

  .badges {
    justify-content: center;
  }

  .app-card {
    width: 260px;
    height: 462px;
  }

  .phone {
    width: 190px;
  }

  .notice {
    min-height: 78px;
    align-items: flex-start;
    margin-top: 34px;
    padding: 9px;
  }

  .mini-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .notice-top {
    font-size: 11px;
  }

  .notice-title {
    font-size: 14px;
  }

  .notice-body {
    display: none;
  }

  .app-icon {
    width: 58px;
    height: 58px;
    margin-top: 46px;
    margin-bottom: 14px;
    border-radius: 16px;
  }

  .screen-brand h2 {
    font-size: 24px;
  }

  .screen-brand p {
    display: none;
  }

  .screen-button {
    bottom: 74px;
    min-height: 54px;
  }

  .screen-outline {
    bottom: 14px;
    min-height: 54px;
  }

  .badge {
    min-width: 142px;
    min-height: 48px;
  }

  .badge-large {
    font-size: 17px;
  }

  .page-wrapper {
    padding: 40px 20px 32px;
  }

  .page-title {
    font-size: 36px;
  }

  .contact-card {
    padding: 24px 20px;
  }
}