:root {
  color-scheme: dark;
  --ink: #f6f8ff;
  --ink-soft: #b7c0d4;
  --ink-muted: #7f8ba4;
  --night: #030711;
  --night-raised: #081221;
  --card: rgba(17, 29, 46, 0.78);
  --card-strong: #101c2c;
  --line: rgba(187, 208, 239, 0.16);
  --line-strong: rgba(187, 208, 239, 0.28);
  --cyan: #46cef6;
  --cyan-deep: #159ed3;
  --mint: #9fe1cb;
  --orange: #ff942f;
  --lavender: #cecbf6;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 100; padding: 12px 18px; border-radius: 12px; background: var(--ink); color: var(--night); }
.skip-link:focus { top: 18px; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 7, 17, 0.76);
  backdrop-filter: blur(18px) saturate(1.25);
}
.site-nav .wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 750; letter-spacing: -0.025em; }
.brand img { width: 40px; height: 40px; border-radius: 11px; box-shadow: 0 10px 28px rgba(37, 187, 255, 0.18); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links > a { color: var(--ink-soft); text-decoration: none; font-size: 14px; font-weight: 650; }
.nav-links > a:hover, .nav-links > a[aria-current="page"] { color: var(--ink); }
.nav-links > a.button { color: var(--card); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), #75dcff);
  color: var(--card);
  font-weight: 760;
  text-decoration: none;
  box-shadow: 0 16px 44px -20px rgba(70, 206, 246, 0.75);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 20px 48px -18px rgba(70, 206, 246, 0.9); }
.button.secondary { background: rgba(255, 255, 255, 0.04); border-color: var(--line-strong); color: var(--ink); box-shadow: none; }
.button.small { min-height: 42px; padding-inline: 19px; font-size: 14px; }
.button[aria-disabled="true"] { cursor: default; opacity: 0.82; }
.button[aria-disabled="true"]:hover { transform: none; }

.hero {
  position: relative;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  isolation: isolate;
  display: grid;
  align-items: center;
  padding: 76px 0 84px;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -3;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 7, 17, 0.98) 0%, rgba(3, 7, 17, 0.82) 46%, rgba(3, 7, 17, 0.18) 100%), url("img/atmosphere.png") center / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  inset: auto 0 0;
  height: 35%;
  background: linear-gradient(transparent, var(--night));
}
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.82fr; gap: 72px; align-items: center; }
.eyebrow { color: var(--orange); font-size: 12px; font-weight: 800; letter-spacing: 0.17em; text-transform: uppercase; }
.beta-badge { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px 8px 9px; border: 1px solid rgba(159, 225, 203, 0.25); border-radius: 999px; background: rgba(159, 225, 203, 0.08); color: var(--mint); font-size: 13px; font-weight: 700; }
.beta-badge::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 6px rgba(159, 225, 203, 0.1); }
h1, h2, h3 { margin: 0; font-family: var(--display); letter-spacing: -0.045em; }
.hero h1 { max-width: 760px; margin: 24px 0 24px; font-size: clamp(52px, 7vw, 88px); line-height: 0.98; }
.hero h1 span { color: var(--cyan); }
.hero-copy { max-width: 610px; margin: 0; color: var(--ink-soft); font-size: clamp(18px, 2vw, 21px); }
.cta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.cta-note { margin: 14px 0 0; color: var(--ink-muted); font-size: 13px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 20px; margin: 34px 0 0; padding: 0; list-style: none; color: var(--ink-soft); font-size: 13px; }
.trust-list li { display: flex; align-items: center; gap: 8px; }
.trust-list li::before { content: "✓"; color: var(--mint); font-weight: 800; }

.hero-device-wrap { position: relative; justify-self: center; width: min(430px, 100%); perspective: 1400px; }
.phone {
  position: relative;
  width: 100%;
  padding: 10px;
  border: 2px solid rgba(222, 231, 249, 0.55);
  border-radius: 58px;
  background: #05070b;
  box-shadow: 0 48px 90px -30px rgba(0, 0, 0, 0.9), 0 0 80px -36px rgba(70, 206, 246, 0.8);
  transform: rotateY(-7deg) rotateZ(1deg);
}
.phone::before { content: ""; position: absolute; z-index: 2; top: 21px; left: 50%; width: 104px; height: 29px; border-radius: 999px; background: #000; transform: translateX(-50%); }
.phone img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1206 / 2622;
  object-fit: cover;
  object-position: top;
  border-radius: 49px;
}
.float-chip { position: absolute; z-index: 3; max-width: 210px; padding: 13px 16px; border: 1px solid var(--line-strong); border-radius: 16px; background: rgba(10, 20, 35, 0.9); box-shadow: 0 18px 45px -22px rgba(0, 0, 0, 0.95); backdrop-filter: blur(14px); color: var(--ink-soft); font-size: 13px; }
.float-chip strong { display: block; color: var(--ink); font-size: 15px; }
.float-chip.one { left: -94px; top: 25%; }
.float-chip.two { right: -72px; bottom: 19%; }

.placeholder-section { padding: 100px 0; text-align: center; }
.placeholder-section h2 { font-size: clamp(36px, 5vw, 58px); }
.placeholder-section p { max-width: 620px; margin: 18px auto 0; color: var(--ink-soft); }

.section { position: relative; padding: 112px 0; }
.section.compact { padding-block: 82px; }
.section-heading { max-width: 720px; margin-bottom: 54px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 { margin-top: 12px; font-size: clamp(38px, 5vw, 64px); line-height: 1.03; }
.section-heading p { margin: 20px 0 0; color: var(--ink-soft); font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 270px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(20, 35, 55, 0.82), rgba(8, 18, 33, 0.62)); box-shadow: 0 24px 65px -52px rgba(70, 206, 246, 0.72); }
.feature-card .number { color: var(--cyan); font-size: 13px; font-weight: 800; letter-spacing: 0.14em; }
.feature-card h3 { margin-top: 38px; font-size: 28px; line-height: 1.08; }
.feature-card p { margin: 14px 0 0; color: var(--ink-soft); }
.feature-card.orange .number { color: var(--orange); }
.feature-card.mint .number { color: var(--mint); }

.showcase { overflow: hidden; border-block: 1px solid var(--line); background: linear-gradient(180deg, rgba(10, 22, 40, 0.72), rgba(3, 7, 17, 0.2)); }
.showcase-row { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 88px; align-items: center; min-height: 780px; padding-block: 96px; }
.showcase-row + .showcase-row { border-top: 1px solid var(--line); }
.showcase-row.reverse .showcase-copy { order: 2; }
.showcase-row.reverse .showcase-visual { order: 1; }
.showcase-copy h2 { margin: 13px 0 22px; font-size: clamp(42px, 5vw, 68px); line-height: 1; }
.showcase-copy p { max-width: 520px; color: var(--ink-soft); font-size: 18px; }
.detail-list { display: grid; gap: 13px; margin: 28px 0 0; padding: 0; list-style: none; }
.detail-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.detail-list li::before { content: ""; flex: 0 0 auto; width: 8px; height: 8px; margin-top: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(70, 206, 246, 0.08); }
.showcase-visual { position: relative; display: grid; place-items: center; min-height: 630px; }
.showcase-visual::before { content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(70, 206, 246, 0.2), transparent 66%); filter: blur(10px); }
.feature-phone { width: min(340px, 78vw); transform: rotate(4deg); }
.reverse .feature-phone { transform: rotate(-4deg); }
.feature-phone img { aspect-ratio: 1206 / 2622; object-fit: cover; object-position: top; }
.feature-phone.crop-lower img { object-position: center 20%; }

.more-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.more-card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--card); }
.more-card h3 { font-size: 24px; letter-spacing: -0.03em; }
.more-card p { margin: 10px 0 0; color: var(--ink-soft); }
.privacy-banner { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: center; padding: 42px; border: 1px solid rgba(159, 225, 203, 0.22); border-radius: 28px; background: linear-gradient(135deg, rgba(159, 225, 203, 0.09), rgba(206, 203, 246, 0.07)); }
.privacy-banner h2 { font-size: clamp(34px, 4vw, 50px); }
.privacy-banner p { max-width: 690px; margin: 12px 0 0; color: var(--ink-soft); }

.beta-panel { position: relative; overflow: hidden; padding: 64px; border: 1px solid var(--line-strong); border-radius: 34px; background: linear-gradient(135deg, #102745, #10192f 56%, #2b1d37); text-align: center; }
.beta-panel::after { content: ""; position: absolute; inset: auto -10% -60% 20%; height: 340px; background: radial-gradient(ellipse, rgba(255, 148, 47, 0.22), transparent 68%); }
.beta-panel > * { position: relative; z-index: 1; }
.beta-panel h2 { margin: 12px 0 18px; font-size: clamp(42px, 6vw, 70px); line-height: 1; }
.beta-panel p { max-width: 650px; margin: 0 auto 28px; color: var(--ink-soft); font-size: 18px; }
.data-sources { margin-top: 32px; color: var(--ink-muted); font-size: 13px; }
.data-sources a { color: var(--ink-soft); text-underline-offset: 3px; }

.page-hero { padding: 88px 0 62px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 80% 20%, rgba(70, 206, 246, 0.12), transparent 34%); }
.page-hero h1 { max-width: 820px; margin: 14px 0 20px; font-size: clamp(48px, 7vw, 78px); line-height: 1; }
.page-hero p { max-width: 720px; margin: 0; color: var(--ink-soft); font-size: 19px; }
.document { width: min(820px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0 110px; }
.document .updated { margin: 0 0 34px; color: var(--ink-muted); font-size: 14px; }
.document .privacy-badge { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 30px; padding: 8px 14px; border: 1px solid rgba(159, 225, 203, 0.22); border-radius: 999px; background: rgba(159, 225, 203, 0.08); color: var(--mint); font-size: 13px; font-weight: 750; }
.document h2 { margin: 48px 0 14px; font-size: 29px; letter-spacing: -0.03em; }
.document h3 { margin: 30px 0 10px; font-size: 21px; letter-spacing: -0.02em; }
.document p, .document li { color: var(--ink-soft); }
.document p { margin: 0 0 16px; }
.document ul { padding-left: 22px; }
.document li { margin-bottom: 9px; }
.document a { color: var(--cyan); text-underline-offset: 3px; }
.document a.button { color: var(--card); }
.document hr { margin: 46px 0; border: 0; border-top: 1px solid var(--line); }
.notice { margin: 26px 0; padding: 20px 22px; border-left: 4px solid var(--orange); border-radius: 10px; background: rgba(255, 148, 47, 0.08); color: var(--ink-soft); }
.contact-box { margin-top: 22px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }

.support-layout { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0 110px; }
.support-intro { max-width: 700px; margin-bottom: 36px; }
.support-intro h2 { font-size: clamp(36px, 5vw, 52px); }
.support-intro p { color: var(--ink-soft); }
.faq-list { display: grid; gap: 12px; }
details { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: var(--card); }
details[open] { border-color: var(--line-strong); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 24px; cursor: pointer; list-style: none; font-weight: 720; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--cyan); font-size: 26px; font-weight: 400; }
details[open] summary::after { content: "−"; }
.answer { padding: 0 24px 24px; color: var(--ink-soft); }
.answer p { margin: 0 0 13px; }
.answer p:last-child, .answer ul:last-child, .answer ol:last-child { margin-bottom: 0; }
.answer li { margin-bottom: 8px; }
.answer strong { color: var(--ink); }
.support-contact { margin-top: 70px; padding: 42px; border-radius: 26px; background: linear-gradient(135deg, #102745, #181a36); }
.support-contact h2 { margin: 9px 0 14px; font-size: 40px; }
.support-contact p { max-width: 680px; color: var(--ink-soft); }

.site-footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--ink-muted); }
.site-footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--ink-soft); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--ink); }

@media (max-width: 900px) {
  .nav-links > a:not(.button) { display: none; }
  .hero { padding-top: 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .hero-copy { max-width: 680px; }
  .hero-device-wrap { width: min(390px, 82vw); }
  .float-chip.one { left: -54px; }
  .float-chip.two { right: -44px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-card h3 { margin-top: 24px; }
  .showcase-row, .showcase-row.reverse { grid-template-columns: 1fr; gap: 42px; min-height: 0; }
  .showcase-row.reverse .showcase-copy, .showcase-row.reverse .showcase-visual { order: initial; }
  .showcase-visual { min-height: 600px; }
  .more-grid { grid-template-columns: 1fr; }
  .privacy-banner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap { width: min(100% - 32px, 1160px); }
  .site-nav .wrap { min-height: 68px; }
  .brand span { font-size: 18px; }
  .brand img { width: 36px; height: 36px; }
  .nav-links .button { min-height: 40px; padding-inline: 15px; font-size: 13px; }
  .hero { min-height: auto; padding: 56px 0 72px; }
  .hero h1 { font-size: clamp(48px, 16vw, 68px); }
  .cta-row { align-items: stretch; flex-direction: column; }
  .cta-row .button { width: 100%; }
  .trust-list { display: grid; grid-template-columns: 1fr 1fr; }
  .phone { border-radius: 48px; }
  .phone img { border-radius: 40px; }
  .float-chip { display: none; }
  .section { padding-block: 78px; }
  .showcase-row { padding-block: 76px; }
  .showcase-visual { min-height: 530px; }
  .feature-phone { width: min(300px, 78vw); }
  .privacy-banner, .beta-panel, .support-contact { padding: 28px 22px; }
  .document, .support-layout { width: min(100% - 32px, 980px); padding-top: 54px; }
  .page-hero { padding: 64px 0 48px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .phone { transform: none; }
}