:root {
  color-scheme: dark;
  --ink: #f5f6ff;
  --muted: #aeb6d4;
  --blue: #4c72ff;
  --blue-light: #91a8ff;
  --navy: #090f29;
  --panel: #141d43;
  --line: rgba(151, 167, 226, .18);
  font-family: Inter, ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--navy); color: var(--ink); }
a { color: inherit; }

.site-header,
main,
footer { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-size: 1.35rem; font-weight: 800; }
.brand img { border-radius: 12px; }
nav { display: flex; gap: 30px; }
nav a, footer a { color: var(--muted); text-decoration: none; font-weight: 650; }
nav a:hover, footer a:hover { color: var(--ink); }

.hero {
  min-height: 680px;
  padding: 88px 4% 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr);
  align-items: center;
  gap: 68px;
}

.eyebrow { margin: 0 0 16px; color: var(--blue-light); font-size: .78rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0; max-width: 760px; font-size: clamp(3.2rem, 6.7vw, 6rem); line-height: .98; letter-spacing: -.06em; }
h1 span { color: var(--blue-light); }
.lede { max-width: 620px; margin: 28px 0 30px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); line-height: 1.65; }

.store-row { display: flex; gap: 12px; flex-wrap: wrap; }
.store-button { min-width: 178px; padding: 11px 19px 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .06); color: #dfe4f8; }
.store-button small, .store-button strong { display: block; }
.store-button small { margin-bottom: 2px; color: var(--muted); font-size: .7rem; }
.store-button strong { font-size: 1.12rem; }
.availability { color: #7f89ab; font-size: .82rem; }

.phone-wrap { position: relative; display: grid; place-items: center; min-height: 530px; }
.glow { position: absolute; width: 420px; height: 420px; border-radius: 50%; background: #274fff; filter: blur(100px); opacity: .24; }
.phone { position: relative; width: min(365px, 100%); padding: 16px 18px 28px; border: 1px solid rgba(153, 173, 255, .3); border-radius: 44px; background: #080e26; box-shadow: 0 35px 85px rgba(0, 0, 0, .45), inset 0 0 0 7px #111833; transform: rotate(2deg); }
.phone-status { display: flex; justify-content: space-between; padding: 6px 17px 16px; color: #c9d0e9; font-size: .7rem; font-weight: 750; }
.app-header, .app-brand { display: flex; align-items: center; }
.app-header { justify-content: space-between; margin-bottom: 25px; }
.app-brand { gap: 10px; font-size: 1.25rem; font-weight: 900; }
.app-brand img { width: 34px; height: 34px; border-radius: 10px; }
.pinned-count { padding: 7px 11px; border-radius: 99px; background: #19244d; color: #91a8ff; font-size: .72rem; font-weight: 800; }
.capture-box { min-height: 104px; padding: 20px; border-radius: 24px; background: #121a3b; color: #7781a8; font-size: 1.15rem; font-weight: 800; }
.time-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin: 14px 0; }
.time-grid span { padding: 12px 8px; border: 1px solid #263361; border-radius: 16px; text-align: center; }
.time-grid strong, .time-grid small { display: block; }
.time-grid strong { color: #aabaff; font-size: .84rem; }
.time-grid small { margin-top: 3px; color: #667196; font-size: .66rem; }
.echo-card { padding: 17px; border: 1px solid #2c3d7d; border-radius: 20px; background: #172147; }
.echo-card p { margin: 0 0 18px; font-size: .95rem; }
.echo-card div { display: flex; align-items: center; justify-content: space-between; }
.tag { padding: 5px 9px; border-radius: 99px; background: #263b78; color: #9cb0ff; font-size: .68rem; font-weight: 800; }
.done { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 10px; background: #164860; color: #4ce0b0; }

.features { padding: 100px 4%; border-top: 1px solid var(--line); }
.section-heading { max-width: 700px; }
h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.08; letter-spacing: -.045em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.feature-grid article { min-height: 270px; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(29, 41, 86, .8), rgba(14, 21, 51, .75)); }
.number { color: var(--blue-light); font-size: .75rem; font-weight: 850; letter-spacing: .12em; }
h3 { margin: 55px 0 10px; font-size: 1.45rem; }
.feature-grid p, .privacy-callout > div > p:last-child { color: var(--muted); line-height: 1.65; }

.privacy-callout { margin: 20px 4% 110px; padding: 36px; display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; border: 1px solid rgba(116, 143, 255, .3); border-radius: 28px; background: linear-gradient(120deg, #172451, #101938); }
.privacy-mark { display: grid; width: 52px; height: 52px; place-items: center; border-radius: 16px; background: var(--blue); font-size: 1.4rem; font-weight: 900; }
.privacy-callout h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.privacy-callout > div > p:last-child { margin: 8px 0 0; }
.text-link { color: #b5c3ff; white-space: nowrap; font-weight: 800; text-decoration: none; }

.support-main { max-width: 960px; padding: 82px 4% 110px; }
.support-hero { max-width: 760px; }
.support-hero h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
.support-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 30px; }
.primary-link { display: inline-flex; padding: 14px 20px; border-radius: 14px; background: var(--blue); color: white; font-weight: 850; text-decoration: none; }
.primary-link:hover { background: #5d80ff; }
.support-meta { margin: 58px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.support-meta div { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, .035); }
.support-meta strong, .support-meta span { display: block; }
.support-meta strong { margin-bottom: 5px; font-size: .82rem; }
.support-meta span { color: var(--muted); line-height: 1.45; }
.support-section { padding-top: 50px; border-top: 1px solid var(--line); }
.support-section + .support-section { margin-top: 64px; }
.support-section h2 { margin-bottom: 28px; font-size: clamp(1.8rem, 4vw, 2.7rem); }
.faq-list { display: grid; gap: 12px; }
.faq-list details { padding: 0 22px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, rgba(29, 41, 86, .72), rgba(14, 21, 51, .72)); }
.faq-list summary { padding: 20px 28px 20px 0; position: relative; cursor: pointer; list-style: none; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 18px; color: var(--blue-light); font-size: 1.3rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0 0 22px; color: var(--muted); line-height: 1.7; }
.faq-list details a { color: #bdc9ff; }
.contact-card { padding: 30px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border: 1px solid rgba(116, 143, 255, .3); border-radius: 24px; background: linear-gradient(120deg, #172451, #101938); }
.contact-card h3 { margin: 0 0 8px; }
.contact-card p { margin: 0; color: var(--muted); line-height: 1.6; }

footer { min-height: 130px; display: flex; align-items: center; gap: 26px; border-top: 1px solid var(--line); color: var(--muted); }
footer p { margin-right: auto; }
footer div:last-child { display: flex; gap: 22px; }
.footer-brand { color: var(--ink); font-size: 1.05rem; }
.footer-brand img { border-radius: 9px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 64px; text-align: center; }
  .hero-copy { display: grid; justify-items: center; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 210px; }
  h3 { margin-top: 35px; }
  .privacy-callout { grid-template-columns: auto 1fr; }
  .privacy-callout .text-link { grid-column: 2; }
  .support-meta { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header, main, footer { width: min(100% - 28px, 1160px); }
  .site-header { min-height: 72px; }
  nav { gap: 16px; font-size: .86rem; }
  nav a:first-child { display: none; }
  .hero { padding-inline: 0; gap: 35px; }
  .store-row { justify-content: center; }
  .store-button { min-width: min(210px, 100%); }
  .phone-wrap { min-height: 490px; }
  .features { padding: 78px 0; }
  .privacy-callout { margin-inline: 0; padding: 26px; grid-template-columns: 1fr; }
  .privacy-callout .text-link { grid-column: 1; }
  .support-main { padding: 58px 0 80px; }
  .contact-card { align-items: flex-start; flex-direction: column; }
  footer { padding: 30px 0; flex-wrap: wrap; }
  footer p { width: 100%; order: 3; margin: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .phone { animation: float 6s ease-in-out infinite; }
  @keyframes float { 0%, 100% { transform: rotate(2deg) translateY(0); } 50% { transform: rotate(1deg) translateY(-10px); } }
}