:root { color-scheme: dark; --ink: #f0f6ff; --muted: #aabccc; --blue: #6fb5ff; --line: #27404f; --bg: #031119; --surface: #0b202d; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 17px; line-height: 1.65; }
a { color: var(--blue); text-underline-offset: .25em; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid #ffd37a; outline-offset: 6px; border-radius: 4px; }
img { display: block; max-width: 100%; height: auto; }
figure, p, h1, h2, h3, dl, dd { margin: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.08; letter-spacing: -.045em; }
h1 { font-size: clamp(3.2rem, 6.7vw, 6.1rem); }
h2 { font-size: clamp(2.2rem, 4.2vw, 4rem); }
h3 { font-size: 1.55rem; letter-spacing: -.025em; }
.wrap { width: min(1190px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; transform: translateY(-180%); background: white; color: #031119; padding: 12px 20px; }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 10; background: #031119f5; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 16px; }
.app-brand { display: flex; align-items: center; gap: 13px; text-decoration: none; color: white; font-size: 1.2rem; font-weight: 700; line-height: 1.2; white-space: nowrap; }
.app-brand img { border-radius: 12px; }
.app-brand small { display: block; margin-top: 5px; font-size: .875rem; font-weight: 400; color: var(--muted); }
.header-inner nav { display: flex; align-items: center; gap: 26px; }
.header-inner nav > a:not(.button) { color: var(--ink); text-decoration: none; font-size: .95rem; }
.header-inner nav > a:hover, .site-footer nav a:hover { color: var(--blue); }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 56px; padding: 15px 24px; color: #fff; background: #0768ed; border: 1px solid #2e8aff; border-radius: 9px; font-weight: 650; font-size: 1rem; text-decoration: none; line-height: 1.4; text-align: center; transition: background .18s; }
.button:hover { background: #005ad4; }
.button-small { padding: 12px 18px; min-height: 46px; font-size: .925rem; }
.text-link { font-weight: 600; }
.hero { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(0, .85fr); align-items: center; gap: 74px; padding-block: 76px 90px; }
.eyebrow { color: var(--blue); font-size: .8rem; font-weight: 650; letter-spacing: .13em; line-height: 1.7; margin-bottom: 23px; }
.hero h1 span { color: var(--blue); }
.hero-description { color: #bdd0df; max-width: 560px; font-size: 1.2rem; margin-top: 30px; line-height: 1.7; }
.hero-actions { display: flex; gap: 23px; align-items: center; flex-wrap: wrap; margin-top: 32px; }
.download-note { color: var(--muted); font-size: .875rem; margin-top: 22px; }
.hero-screen { width: 100%; max-width: 330px; justify-self: center; }
.hero-screen > img { width: 100%; border-radius: 16px; border: 1px solid #5b829f; box-shadow: 0 22px 75px #0008; }
.screen-label { display: flex; justify-content: space-between; gap: 12px; font-size: .72rem; color: #bad0e2; letter-spacing: .08em; margin-bottom: 15px; }
.hero-screen figcaption { text-align: center; font-size: .8rem; color: var(--muted); margin-top: 13px; }
.capability-strip { border-block: 1px solid var(--line); }
.capability-inner { display: grid; grid-template-columns: repeat(4,1fr); text-align: center; padding-block: 27px; font-weight: 550; font-size: 1rem; gap: 15px; }
.capability-inner span + span { border-left: 1px solid var(--line); }
.video-section { background: #071a25; border-bottom: 1px solid var(--line); padding-block: 92px; }
.video-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: center; gap: 80px; }
.video-link { margin-top: 26px; }
.video-player { overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid #3c6680; border-radius: 14px; background: linear-gradient(135deg, #0d2b3c, #051118); box-shadow: 0 22px 65px #0006; }
.video-placeholder { display: grid; place-items: center; min-height: 100%; padding: 36px; text-align: center; }
.video-kicker { color: var(--blue); font-size: .8rem; font-weight: 650; letter-spacing: .13em; }
.video-placeholder .button { margin-top: 18px; }
.video-note { max-width: 310px; color: var(--muted); font-size: .85rem; line-height: 1.5; margin-top: 18px; }
.video-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.section { padding-block: 100px; }
.section-heading { max-width: 620px; }
.section-heading > p:not(.eyebrow) { margin-top: 25px; color: var(--muted); font-size: 1.125rem; }
.section-heading .text-link { display: inline-block; margin-top: 23px; }
.steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 38px; margin-top: 60px; }
.steps article { border-top: 1px solid var(--line); padding-top: 27px; }
.step-number { display: block; color: var(--blue); font-size: .9rem; letter-spacing: .12em; margin-bottom: 26px; }
.steps p { color: var(--muted); margin-top: 20px; }
.steps strong, .privacy-points dt { color: var(--ink); }
.screens-section { background: #e9f2fc; color: #0b2036; padding-block: 85px; color-scheme: light; }
.screens-section .eyebrow { color: #155d9d; }
.screens-section .section-heading > p:not(.eyebrow) { color: #4b6680; max-width: 560px; font-size: 1rem; }
.screenshot-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 22px; margin-top: 42px; }
.screenshot-grid img { width: 100%; border: 1px solid #bfd0e3; border-radius: 11px; }
.screenshot-grid a { display: block; border-radius: 11px; }
.screenshot-grid figcaption { padding-top: 14px; color: #2c4f70; font-size: .925rem; font-weight: 600; }
.privacy-section { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; }
.privacy-points div { padding-block: 25px; border-bottom: 1px solid var(--line); }
.privacy-points div:first-child { padding-top: 0; }
.privacy-points dt { font-size: 1.17rem; font-weight: 650; }
.privacy-points dd { color: var(--muted); margin-top: 10px; }
.plans-section { background: var(--surface); border-block: 1px solid var(--line); padding-block: 75px; }
.plans-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: start; }
.plan-details h3 { margin-bottom: 17px; }
.plan-details p { color: #c1d2e0; }
.plan-details .button { margin-top: 26px; }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; }
.faq-list { min-width: 0; }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding: 22px 34px 22px 0; position: relative; font-size: 1.1rem; font-weight: 600; list-style: none; line-height: 1.5; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 3px; top: 22px; color: var(--blue); font-weight: 400; font-size: 1.4rem; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding-bottom: 24px; }
.closing { text-align: center; padding-block: 30px 110px; }
.closing h2 { font-size: clamp(2.6rem, 5vw, 4.8rem); }
.closing .button { margin-top: 34px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 33px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; font-size: .875rem; }
.parent-brand { color: var(--ink); display: flex; align-items: center; gap: 10px; text-decoration: none; }
.parent-brand img { object-fit: contain; }
.site-footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
.site-footer nav a { color: var(--muted); text-decoration: none; }
.site-footer p { color: var(--muted); font-size: .8rem; }
@media (min-width: 1500px) { .hero-screen { max-width: 355px; } }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 56px); }
  .hero { gap: 40px; grid-template-columns: minmax(0,1.3fr) minmax(0,.8fr); }
  h1 { font-size: clamp(3.2rem, 6.6vw, 5.1rem); }
  .video-layout, .privacy-section, .plans-inner, .faq-section { gap: 60px; }
  .screenshot-grid { gap: 14px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 140px; }
  .wrap { width: calc(100% - 40px); }
  .header-inner { gap: 16px; min-height: 80px; flex-wrap: wrap; }
  .header-inner nav { gap: 18px; flex-wrap: wrap; }
  .header-inner nav > a:not(.button) { font-size: .875rem; }
  .button-small { font-size: .875rem; padding: 10px 13px; }
  .hero { grid-template-columns: 1fr; padding-block: 50px 55px; gap: 43px; }
  h1 { font-size: clamp(2.7rem, 9.5vw, 4.2rem); }
  .hero-description { font-size: 1.1rem; margin-top: 23px; }
  .hero-actions { gap: 21px; }
  .hero-screen { max-width: 320px; }
  .capability-inner { grid-template-columns: repeat(2,1fr); text-align: left; font-size: .9rem; padding-block: 22px; gap: 16px; }
  .capability-inner span + span { border-left: 0; }
  .section { padding-block: 66px; }
  .steps, .video-layout, .privacy-section, .plans-inner, .faq-section { grid-template-columns: 1fr; gap: 35px; }
  .video-section { padding-block: 66px; }
  .steps { margin-top: 38px; }
  .step-number { margin-bottom: 15px; }
  .steps p { margin-top: 14px; }
  .screens-section { padding-block: 60px; }
  .screenshot-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 14px; }
  .screenshot-grid figcaption { font-size: .875rem; }
  .plans-section { padding-block: 55px; }
  .closing { padding-block: 15px 65px; }
  .site-footer nav { gap: 18px; }
}
@media (max-width: 380px) {
  .header-inner nav { gap: 12px; }
  .app-brand { font-size: 1.1rem; }
  .button { width: 100%; padding-inline: 15px; }
  .header-inner nav .button-small { width: auto; }
  .eyebrow { letter-spacing: .08em; }
  .screenshot-grid figcaption { font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }