:root {
  --ink: #10243b;
  --muted: #5d6b7d;
  --paper: #ffffff;
  --soft: #f3f7fb;
  --line: #dce6ef;
  --brand: #0f9f9a;
  --brand-dark: #087872;
  --blue: #287bd6;
  --orange: #ee8a27;
  --shadow: 0 22px 60px rgba(20, 43, 69, .14);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.65; }
img { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.skip { position: fixed; left: 12px; top: -100px; z-index: 100; background: #fff; padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(220,230,239,.9); background: rgba(255,255,255,.93); backdrop-filter: blur(16px); }
.nav { width: min(1180px, calc(100% - 32px)); min-height: 74px; margin: 0 auto; display: flex; align-items: center; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: -.02em; white-space: nowrap; }
.brand img { width: 36px; height: 36px; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 23px; font-size: .95rem; }
.nav-links a { color: #304155; text-decoration: none; font-weight: 650; white-space: nowrap; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--brand-dark); }
.nav-toggle { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 9px 12px; font: inherit; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: 12px; background: var(--brand); color: #fff !important; text-decoration: none; font-weight: 760; box-shadow: 0 10px 24px rgba(15,159,154,.2); }
.button:hover { background: var(--brand-dark); }
.button.secondary { color: var(--ink) !important; background: #fff; border-color: var(--line); box-shadow: none; }
.hero { overflow: hidden; background: radial-gradient(circle at 84% 20%, rgba(40,123,214,.20), transparent 28%), radial-gradient(circle at 8% 82%, rgba(15,159,154,.15), transparent 26%), linear-gradient(150deg,#f7fbff,#fff 55%,#f6fbfb); }
.hero-grid { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 82px 0 72px; display: grid; grid-template-columns: .92fr 1.18fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border: 1px solid #c9e9e7; border-radius: 999px; background: #ecfbfa; color: #087872; font-size: .82rem; font-weight: 780; text-transform: uppercase; letter-spacing: .08em; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { margin: 18px 0; font-size: clamp(2.5rem,5.6vw,5rem); max-width: 900px; }
h2 { margin: 0 0 20px; font-size: clamp(2rem,3.4vw,3.25rem); }
h3 { margin: 28px 0 10px; font-size: 1.35rem; }
.lede { max-width: 720px; color: #45566b; font-size: clamp(1.05rem,2vw,1.25rem); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 24px; color: #526174; font-size: .92rem; }
.trust-row span::before { content: "✓"; color: var(--brand); font-weight: 900; margin-right: 7px; }
.app-frame { border: 1px solid #cfdde8; border-radius: 18px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.app-frame img { display: block; width: 100%; }
.app-frame.modal { max-width: 920px; margin-inline: auto; }
.main-shot { aspect-ratio: 3840 / 2224; overflow: hidden; }
.main-shot img { width: 100%; max-width: none; }
.preset-shot { aspect-ratio: 2768 / 1762; overflow: hidden; }
.preset-shot img { width: 100%; max-width: none; }
.section { padding: 88px 0; }
.section.soft { background: var(--soft); }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.intro { max-width: 740px; margin-bottom: 38px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 32px rgba(27,49,72,.06); }
.card h3 { margin-top: 8px; }
.icon { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; color: #fff; font-weight: 850; background: linear-gradient(135deg,var(--brand),var(--blue)); }
.stat-strip { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.stat-strip div { padding: 24px; border-right: 1px solid var(--line); }
.stat-strip div:last-child { border-right: 0; }
.stat-strip strong { display: block; font-size: 1.55rem; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; margin: 64px 0; }
.feature-row:nth-child(even) .feature-copy { order: 2; }
.feature-row ul, .article-body ul, .article-body ol { padding-left: 1.3rem; }
.feature-row li { margin: 9px 0; }
.gallery { display: grid; grid-template-columns: repeat(2,1fr); gap: 26px; }
.gallery figure { margin: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; box-shadow: 0 12px 36px rgba(20,43,69,.08); }
.gallery .shot { overflow: hidden; background: #eef3f7; }
.gallery .shot img { display: block; width: 100%; }
.gallery figcaption { padding: 16px 18px 19px; color: #536275; }
.download-box { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; padding: 34px; border-radius: 22px; background: linear-gradient(135deg,#10243b,#19395d); color: #fff; }
.download-box p { color: #d7e2ef; }
.download-meta { padding: 20px; border: 1px solid rgba(255,255,255,.18); border-radius: 15px; background: rgba(255,255,255,.06); font-size: .9rem; }
.download-meta code { overflow-wrap: anywhere; }
.article-hero { padding: 72px 0 46px; background: linear-gradient(145deg,#f4f9fc,#fff); border-bottom: 1px solid var(--line); }
.article-hero .wrap { max-width: 900px; }
.breadcrumbs { font-size: .88rem; color: var(--muted); }
.article-hero h1 { font-size: clamp(2.4rem,5vw,4.5rem); }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: .9rem; }
.article-layout { display: grid; grid-template-columns: minmax(0,760px) 280px; gap: 52px; align-items: start; }
.article-body { font-size: 1.05rem; }
.article-body p { margin: 0 0 1.25em; }
.article-body h2 { margin-top: 2em; font-size: 2rem; }
.article-body h3 { margin-top: 1.6em; }
.article-body .app-frame { margin: 30px 0; }
.toc { position: sticky; top: 100px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fafcfe; font-size: .92rem; }
.toc a { display: block; padding: 5px 0; color: #40536a; text-decoration: none; }
.note { margin: 26px 0; padding: 18px 20px; border-left: 4px solid var(--brand); background: #edf9f8; border-radius: 0 12px 12px 0; }
.warning { border-left-color: var(--orange); background: #fff6eb; }
.comparison { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: .94rem; }
.comparison th, .comparison td { padding: 13px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { background: var(--soft); }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 760; }
.blog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.blog-card { display: flex; flex-direction: column; min-height: 100%; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(20,43,69,.06); }
.blog-card .visual { min-height: 170px; display: grid; place-items: center; padding: 26px; background: linear-gradient(135deg,#eaf8f7,#eaf2fb); font-size: 2.4rem; font-weight: 850; color: var(--brand-dark); }
.blog-card .copy { padding: 22px; }
.blog-card h3 { margin-top: 0; }
.site-footer { padding: 56px 0 32px; background: #0d1d30; color: #d0d9e4; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 30px; }
.site-footer h3 { color: #fff; font-size: 1rem; margin: 0 0 13px; }
.site-footer a { display: block; margin: 7px 0; color: #d0d9e4; text-decoration: none; }
.fineprint { margin-top: 34px; padding-top: 24px; border-top: 1px solid #263b52; font-size: .84rem; color: #94a5b7; }
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; top: 73px; left: 16px; right: 16px; padding: 18px; flex-direction: column; align-items: stretch; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 15px; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px; }
  .hero-grid, .feature-row, .download-box, .article-layout { grid-template-columns: 1fr; }
  .feature-row:nth-child(even) .feature-copy { order: initial; }
  .toc { position: static; }
  .grid-3, .blog-grid { grid-template-columns: repeat(2,1fr); }
  .stat-strip { grid-template-columns: repeat(2,1fr); }
  .stat-strip div:nth-child(2) { border-right: 0; }
  .stat-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .hero-grid { padding: 58px 0 48px; }
  .section { padding: 62px 0; }
  .grid-3, .grid-2, .gallery, .blog-grid, .footer-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat-strip div:last-child { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }