:root {
  --navy: #0b1739;
  --navy-2: #132656;
  --blue: #0251d0;
  --blue-2: #2d77ef;
  --cyan: #17b7d6;
  --mint: #eafbf7;
  --sky: #edf5ff;
  --gold: #ffb21d;
  --ink: #111a35;
  --muted: #56627b;
  --line: #dce5f2;
  --paper: #fff;
  --soft: #f6f9fd;
  --radius: 18px;
  --shadow: 0 18px 55px rgba(13, 40, 89, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #003c9e; }
button, input, textarea, select { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(840px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; padding: 10px 16px; border-radius: 8px; background: #fff; color: var(--navy); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(220,229,242,.85); background: rgba(255,255,255,.96); backdrop-filter: blur(16px); }
.nav { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; color: var(--navy); text-decoration: none; font-weight: 850; line-height: 1.15; letter-spacing: -.02em; }
.brand img { width: 44px; height: 44px; border-radius: 10px; box-shadow: 0 5px 16px rgba(2,81,208,.22); }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: .02em; }
.nav__menu { display: flex; align-items: center; gap: 24px; margin: 0; padding: 0; list-style: none; }
.nav__menu a { color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 750; }
.nav__menu a:hover, .nav__menu a[aria-current="page"] { color: var(--blue); }
.nav__cta { display: flex; align-items: center; gap: 10px; }
.gp-badge { display: inline-block; vertical-align: middle; }
.gp-badge img { width: 154px; min-width: 154px; }
.burger { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; }
.burger span { display: block; width: 21px; height: 2px; margin: 4px auto; background: var(--navy); transition: .2s; }

.hero { position: relative; overflow: hidden; padding: 86px 0 70px; color: #fff; background: radial-gradient(circle at 80% 20%, rgba(23,183,214,.35), transparent 32%), linear-gradient(135deg, #091533 0%, #0f2d68 58%, #0548af 100%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.18) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to right, transparent, #000); }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--blue); font-size: 13px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.hero .eyebrow { color: #72e7f8; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
h1, h2, h3 { margin-top: 0; color: var(--navy); line-height: 1.15; letter-spacing: -.035em; }
h1 { margin-bottom: 23px; font-size: clamp(42px, 5.4vw, 72px); }
h2 { margin-bottom: 18px; font-size: clamp(30px, 3.8vw, 47px); }
h3 { margin-bottom: 10px; font-size: 22px; }
.hero h1 { color: #fff; }
.hero h1 .hl { color: #69e1f4; }
.hero p { max-width: 690px; margin: 0 0 28px; color: #dbe8ff; font-size: 19px; }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 31px; }
.hero__meta div { padding-right: 28px; border-right: 1px solid rgba(255,255,255,.18); }
.hero__meta div:last-child { border: 0; }
.hero__meta b, .hero__meta span { display: block; }
.hero__meta b { color: #fff; font-size: 18px; }
.hero__meta span { color: #aebfdd; font-size: 12px; }
.hero__art { position: relative; }
.hero__shot { position: relative; z-index: 2; width: 100%; border: 8px solid rgba(255,255,255,.14); border-radius: 24px; background: #fff; box-shadow: 0 32px 80px rgba(0,0,0,.35); transform: rotate(1.5deg); }
.app-icon-float { position: absolute; z-index: 3; left: -28px; bottom: -28px; width: 112px; border: 7px solid #fff; border-radius: 24px; box-shadow: var(--shadow); }
.page-hero { padding: 64px 0 58px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 85% 20%, rgba(23,183,214,.16), transparent 25%), linear-gradient(145deg, #f6faff, #e9f3ff); }
.page-hero h1 { max-width: 900px; margin-bottom: 18px; font-size: clamp(38px, 5vw, 62px); }
.page-hero p { max-width: 780px; margin: 0; color: var(--muted); font-size: 20px; }
.breadcrumbs { margin-bottom: 20px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--blue); text-decoration: none; }

.section { padding: 76px 0; }
.section--alt { background: var(--soft); }
.section--dark { color: #dbe8ff; background: var(--navy); }
.section--dark h2, .section--dark h3 { color: #fff; }
.sec-head { max-width: 760px; margin: 0 auto 42px; text-align: center; }
.sec-head p { color: var(--muted); font-size: 18px; }
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 30px rgba(20,47,89,.05); }
.card p:last-child { margin-bottom: 0; }
.ic { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 20px; border-radius: 14px; color: var(--blue); background: var(--sky); font-size: 25px; font-weight: 900; }
.tag { display: inline-block; margin: 0 6px 8px 0; padding: 5px 11px; border-radius: 999px; color: #17447a; background: #eaf4ff; font-size: 12px; font-weight: 750; }
.btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 20px; border: 1px solid transparent; border-radius: 10px; color: #fff; background: var(--blue); text-decoration: none; font-size: 15px; font-weight: 800; box-shadow: 0 9px 25px rgba(2,81,208,.22); }
.btn:hover { color: #fff; background: #003fa6; }
.btn--light { color: var(--navy); background: #fff; box-shadow: none; }
.btn--light:hover { color: var(--blue); background: #f4f8ff; }
.btn--ghost { color: var(--blue); border-color: #b8cef1; background: transparent; box-shadow: none; }
.btn--ghost:hover { color: #fff; border-color: var(--blue); background: var(--blue); }
.btn--gold { color: #2a1b00; background: var(--gold); }
.btn--gold:hover { color: #2a1b00; background: #ffc24d; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; }
.prose { color: #2f3a52; }
.prose > * { max-width: 840px; margin-inline: auto; }
.prose h2 { margin-top: 52px; }
.prose h3 { margin-top: 34px; }
.prose p, .prose li { font-size: 17px; }
.prose a { font-weight: 650; }
.prose blockquote, .callout { max-width: 900px; margin-top: 30px; margin-bottom: 30px; padding: 23px 26px; border-left: 4px solid var(--blue); border-radius: 0 12px 12px 0; background: var(--sky); }
.prose table { width: 100%; max-width: 950px; border-collapse: collapse; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; }
.prose th, .prose td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { color: var(--navy); background: var(--sky); }
.ticks { padding: 0; list-style: none; }
.ticks li { position: relative; margin-bottom: 13px; padding-left: 31px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 1px; display: grid; width: 22px; height: 22px; place-items: center; border-radius: 50%; color: #fff; background: #0ba97d; font-size: 13px; font-weight: 900; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.step { position: relative; padding: 29px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.step::before { counter-increment: step; content: counter(step); display: grid; width: 42px; height: 42px; margin-bottom: 20px; place-items: center; border-radius: 12px; color: #fff; background: var(--blue); font-weight: 900; }
.gallery { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.gallery figure { margin: 0; padding: 10px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.gallery img { width: 100%; border-radius: 11px; }
.gallery figcaption { padding: 12px 6px 4px; color: var(--muted); text-align: center; font-size: 13px; font-weight: 700; }
.faq { max-width: 900px; margin-inline: auto; }
.faq details { margin-bottom: 12px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.faq summary { position: relative; padding: 20px 52px 20px 22px; color: var(--navy); cursor: pointer; font-weight: 800; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 21px; top: 15px; color: var(--blue); font-size: 27px; }
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 22px 22px; color: var(--muted); }
.cta-band { padding: 44px 0; color: #fff; background: linear-gradient(115deg, #0144ae, #0974d7 60%, #08a7c6); }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band h2 { margin: 0 0 7px; color: #fff; font-size: clamp(28px, 4vw, 42px); }
.cta-band p { margin: 0; color: #dbeaff; }
.toc { padding: 24px 27px; border: 1px solid var(--line); border-radius: 15px; background: var(--soft); }
.toc strong { display: block; margin-bottom: 9px; color: var(--navy); }
.toc ol { margin: 0; padding-left: 22px; }
.toc a { text-decoration: none; }
.search-box { width: min(650px,100%); margin-top: 28px; padding: 15px 18px; border: 1px solid #adc4e7; border-radius: 12px; background: #fff; box-shadow: 0 8px 25px rgba(13,40,89,.08); }
.legal-meta { display: inline-flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 22px; padding: 10px 15px; border-radius: 10px; color: var(--muted); background: rgba(255,255,255,.72); font-size: 13px; }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; }
.contact-form { padding: 31px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.field { margin-bottom: 17px; }
.field label { display: block; margin-bottom: 6px; color: var(--navy); font-size: 14px; font-weight: 800; }
.field input, .field textarea, .field select { width: 100%; padding: 12px 14px; border: 1px solid #c7d3e5; border-radius: 9px; background: #fff; }
.field textarea { min-height: 150px; resize: vertical; }
.small { color: var(--muted); font-size: 13px; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* BLOG */
.blog-hero { padding: 74px 0 62px; background: radial-gradient(circle at 84% 12%, rgba(23,183,214,.2), transparent 25%), linear-gradient(145deg,#f8fbff,#eaf3ff); border-bottom: 1px solid var(--line); }
.blog-hero h1 { max-width: 930px; margin-bottom: 18px; }
.blog-hero p { max-width: 790px; color: var(--muted); font-size: 20px; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; align-items: start; gap: 52px; }
.article-body { min-width: 0; }
.article-body h2 { margin-top: 48px; scroll-margin-top: 100px; }
.article-body h3 { margin-top: 30px; }
.article-body p, .article-body li { color: #303b52; font-size: 17px; }
.article-body p { margin: 0 0 20px; }
.article-body ul, .article-body ol { margin: 0 0 24px; padding-left: 25px; }
.article-body li { margin-bottom: 9px; }
.article-body .lead { color: #33435f; font-size: 20px; line-height: 1.72; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 22px 0 0; color: var(--muted); font-size: 13px; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-toc { position: sticky; top: 98px; padding: 23px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 10px 32px rgba(13,40,89,.07); }
.article-toc h2 { margin: 0 0 13px; font-size: 18px; }
.article-toc ol { margin: 0; padding-left: 19px; }
.article-toc li { margin: 7px 0; color: var(--muted); font-size: 13px; }
.article-toc a { color: #35445d; text-decoration: none; }
.article-toc a:hover { color: var(--blue); }
.quick-answer { margin: 28px 0 34px; padding: 26px 28px; border: 1px solid #bcd1f2; border-radius: 16px; background: linear-gradient(135deg,#f1f7ff,#eafbf7); }
.quick-answer strong { display: block; margin-bottom: 7px; color: var(--navy); font-size: 19px; }
.keyword-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 30px; }
.keyword-list span { padding: 6px 11px; border: 1px solid #cddcf0; border-radius: 999px; color: #355074; background: #f7faff; font-size: 12px; }
.blog-card { display: flex; height: 100%; flex-direction: column; color: inherit; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.blog-card:hover { color: inherit; transform: translateY(-3px); box-shadow: var(--shadow); }
.blog-card .number { display: inline-grid; width: 35px; height: 35px; margin-bottom: 18px; place-items: center; border-radius: 10px; color: #fff; background: var(--blue); font-size: 13px; font-weight: 900; }
.blog-card h2 { margin-bottom: 12px; font-size: 24px; }
.blog-card p { margin-top: 0; color: var(--muted); font-size: 15px; }
.blog-card .read-more { margin-top: auto; color: var(--blue); font-size: 14px; font-weight: 800; }
.comparison { width: 100%; margin: 28px 0; border-collapse: collapse; }
.comparison th, .comparison td { padding: 13px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { color: var(--navy); background: var(--sky); }
.editorial-note { margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.article-figure { margin: 30px 0; padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: #f8fbff; text-align: center; }
.article-figure img { display: block; width: min(100%,560px); height: auto; max-height: 620px; object-fit: contain; margin: 0 auto; border-radius: 14px; }
.article-figure figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.55; }
.example-box { margin: 22px 0; padding: 24px; border: 1px solid #cdddf1; border-radius: 18px; background: linear-gradient(135deg,#f6faff,#f4fffc); }
.example-box p:first-child { margin-top: 0; }
.example-box p:last-child { margin-bottom: 0; }
.example-box ul { margin-bottom: 16px; }

.site-footer { padding: 58px 0 24px; color: #b8c6df; background: #071126; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1fr; gap: 34px; }
.site-footer h2, .site-footer h3 { color: #fff; font-size: 16px; letter-spacing: -.01em; }
.site-footer p { font-size: 14px; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #c8d6ed; text-decoration: none; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 11px; color: #fff; font-weight: 850; }
.footer-brand img { width: 48px; border-radius: 11px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 38px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }

@media (max-width: 980px) {
  .nav__menu { position: fixed; top: 76px; left: 20px; right: 20px; display: none; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: var(--shadow); }
  .nav__menu.open { display: grid; }
  .burger { display: block; }
  .nav__cta > .gp-badge { display: none; }
  .hero__grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .hero__art { max-width: 680px; margin-inline: auto; }
  .g4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .article-toc { position: static; order: -1; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .container, .narrow { width: min(1160px, calc(100% - 28px)); }
  .brand span { max-width: 175px; }
  .blog-hero h1 { font-size: clamp(34px, 10vw, 48px); line-height: 1.12; overflow-wrap: anywhere; }
  .blog-hero p { font-size: 18px; }
  .hero { padding: 62px 0 52px; }
  .hero__grid { gap: 46px; }
  .hero__meta { gap: 14px; }
  .hero__meta div { padding-right: 14px; }
  .section { padding: 58px 0; }
  .g2, .g3, .g4, .steps, .gallery { grid-template-columns: 1fr; }
  .cta-band__inner, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 48px 0; }
  .prose table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}