:root {
  --ink: #101722;
  --muted: #687382;
  --line: #d9e0e8;
  --paper: #f4f7fb;
  --blue: #1167e8;
  --blue-deep: #084ba9;
  --mint: #d8f4ea;
  --yellow: #ffd75e;
  --white: #ffffff;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; }
html { scroll-behavior: smooth; }
img { max-width: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 17px max(22px, calc((100vw - 1240px) / 2));
  background: rgba(244, 247, 251, .94);
  border-bottom: 1px solid rgba(217, 224, 232, .85);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: .01em; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav .nav-button { padding: 8px 13px; color: var(--white); background: var(--ink); border-radius: 7px; }
.wrap { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.hero { padding: 118px 0 110px; background: var(--paper); color: var(--ink); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(34px, 5vw, 70px); align-items: center; min-width: 0; }
.hero .eyebrow { color: var(--blue-deep); }
.hero .lede { color: var(--muted); }
.hero .hero-note { color: var(--muted); }
.eyebrow { margin: 0 0 16px; color: var(--blue-deep); font-size: 13px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 22px; font-size: clamp(44px, 6vw, 78px); line-height: 1.02; letter-spacing: 0; }
h2 { margin-bottom: 14px; font-size: clamp(30px, 4vw, 48px); line-height: 1.08; letter-spacing: 0; }
h3 { margin-bottom: 8px; font-size: 20px; line-height: 1.2; }
.lede { max-width: 640px; margin-bottom: 28px; color: var(--muted); font-size: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 17px; border: 1px solid var(--ink); border-radius: 7px; font-weight: 700; }
.button.primary { color: var(--white); background: var(--blue); border-color: var(--blue); }
.button.secondary { background: var(--white); }
.hero-note { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.section { padding: 112px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.section-head p { max-width: 510px; margin-bottom: 0; color: var(--muted); }
.product-card-grid, .feature-grid, .trust-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-card, .feature, .trust { min-width: 0; padding: 30px; background: var(--white); border: 1px solid var(--line); border-radius: 9px; box-shadow: 0 12px 30px rgba(22, 39, 64, .05); }
.product-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.product-card { min-height: 306px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; position: relative; }
.product-card::after { content: ""; position: absolute; right: -56px; bottom: -72px; width: 190px; height: 190px; border: 1px solid rgba(17, 103, 232, .18); border-radius: 50%; pointer-events: none; }
.product-card--mac { background: #eef5ff; border-color: #c9dcf8; }
.product-card--mobile { background: #effaf6; border-color: #c9e9dc; }
.product-card-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.product-card .card-tag { color: var(--blue-deep); font-size: 13px; font-weight: 750; letter-spacing: .02em; }
.card-index { color: #7d8ca2; font-size: 12px; font-variant-numeric: tabular-nums; }
.product-card h3 { max-width: 420px; margin: 44px 0 12px; font-size: clamp(24px, 3vw, 34px); line-height: 1.12; }
.product-card p, .feature p, .trust p { color: var(--muted); }
.product-card p { max-width: 480px; margin-bottom: 28px; }
.product-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; position: relative; z-index: 1; }
.product-card-actions .button { min-height: 42px; padding: 0 15px; font-size: 14px; }
.text-link { color: var(--blue-deep); font-size: 14px; font-weight: 750; }
.text-link span { display: inline-block; margin-left: 5px; transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, -3px); }
.support-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 18px; padding: 20px 24px; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-radius: 9px; }
.support-strip span:first-child { display: grid; gap: 4px; }
.support-strip small { color: var(--muted); font-size: 13px; }
.support-strip > span:last-child { color: var(--blue); font-size: 22px; }
.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 70px; align-items: center; min-width: 0; }
.split.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.list { display: grid; gap: 16px; margin: 24px 0 0; padding: 0; list-style: none; }
.list li { position: relative; padding-left: 30px; }
.list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px #e5f0ff; }
.hero .product-visual { border-color: #cbd7e5; box-shadow: 0 24px 55px rgba(22, 39, 64, .14); }
.product-visual { position: relative; min-height: 430px; padding: 24px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.window-bar { display: flex; align-items: center; gap: 7px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.window-dot { width: 9px; height: 9px; border-radius: 50%; background: #cbd2da; }
.window-layout { display: grid; grid-template-columns: 118px 1fr; gap: 18px; padding-top: 20px; }
.window-sidebar { display: grid; align-content: start; gap: 10px; color: var(--muted); font-size: 12px; }
.window-sidebar strong { color: var(--ink); }
.window-main { min-width: 0; }
.path-line { display: flex; gap: 9px; margin-bottom: 20px; color: var(--muted); font-size: 12px; }
.path-line b { color: var(--ink); }
.file-row { display: grid; grid-template-columns: 26px 1fr 76px; gap: 10px; align-items: center; padding: 11px 0; border-bottom: 1px solid #edf0f3; font-size: 13px; }
.file-row small { color: var(--muted); text-align: right; }
.file-icon { color: var(--blue); font-weight: 800; }
.phone-visual { display: flex; justify-content: center; align-items: center; min-height: 520px; padding: 40px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--mint); box-shadow: 0 18px 40px rgba(22, 39, 64, .08); }
.phone-visual img { display: block; width: min(290px, 80%); border-radius: 35px; box-shadow: 0 22px 45px rgba(16, 37, 69, .2); }
.desktop-shot { min-width: 0; margin: 0; padding: 0; background: var(--white); border-radius: 10px; overflow: hidden; }
.desktop-shot img { display: block; width: 100%; max-width: 100%; height: auto; border: 1px solid #ccd7e4; border-radius: 10px; box-shadow: 0 22px 48px rgba(22, 39, 64, .13); }
.desktop-shot figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; }
.hero .desktop-shot img { border-radius: 12px; box-shadow: 0 26px 58px rgba(22, 39, 64, .15); }
.band { padding: 28px 0; background: var(--ink); color: var(--white); }
.band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.band p { margin-bottom: 0; color: #c8d0da; }
.band .button { color: var(--ink); background: var(--white); border-color: var(--white); }
.footer { padding: 46px 0 58px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; align-items: start; justify-content: space-between; gap: 40px; }
.footer p, .footer a { color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.page-hero { padding: 104px 0 74px; background: var(--white); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 720px; font-size: clamp(42px, 6vw, 70px); }
.prose { max-width: 760px; }
.prose p, .prose li { color: var(--muted); }
.prose section { margin-top: 42px; }
.prose ul { padding-left: 20px; }
.prose-page { width: min(900px, calc(100% - 52px)); margin: 0 auto; padding: 92px 0 110px; }
.prose-page > h1 { max-width: 720px; margin-bottom: 12px; font-size: clamp(42px, 6vw, 64px); }
.prose-page > p { color: var(--muted); }
.prose-page .panel { margin-top: 20px; padding: 28px 30px; background: var(--white); border: 1px solid var(--line); border-radius: 9px; box-shadow: 0 12px 30px rgba(22, 39, 64, .04); }
.prose-page .panel h2 { margin-bottom: 12px; font-size: 22px; }
.prose-page .panel p, .prose-page .panel li { color: var(--muted); }
.prose-page .panel a { color: var(--blue-deep); }
@media (max-width: 820px) {
  .site-header { position: static; align-items: start; }
  .nav { gap: 12px; flex-wrap: wrap; justify-content: end; }
  .hero-grid, .split, .split.reverse { grid-template-columns: 1fr; gap: 36px; }
  .product-card-grid, .feature-grid, .trust-grid { grid-template-columns: 1fr; }
  .hero { padding: 76px 0 72px; }
  .section { padding: 62px 0; }
  .section-head, .band-inner, .footer-grid { display: block; }
  .section-head p { margin-top: 14px; }
  .band .button { margin-top: 18px; }
}
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero .desktop-shot { max-width: 920px; }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 42px; }
}
@media (max-width: 520px) {
  .wrap { width: min(100% - 30px, 1180px); }
  .site-header { padding: 13px 15px; }
  .brand { font-size: 14px; }
  .brand img { width: 26px; height: 26px; }
  .nav { font-size: 12px; }
  .nav a:nth-child(2) { display: none; }
  h1 { font-size: 45px; }
  .lede { font-size: 18px; }
  .product-visual { min-height: 350px; padding: 16px; }
  .phone-visual { min-height: 420px; }
  .desktop-shot figcaption { font-size: 11px; }
  .product-card { min-height: 0; padding: 24px; }
  .product-card h3 { margin-top: 32px; font-size: 27px; }
  .product-card-actions { align-items: stretch; flex-direction: column; }
  .product-card-actions .button { width: 100%; }
  .support-strip { align-items: flex-start; padding: 18px; }
  .prose-page { width: min(100% - 30px, 900px); padding: 64px 0 76px; }
  .prose-page .panel { padding: 22px; }
}
