:root {
  --navy: #0d1729;
  --navy-deep: #071120;
  --navy-soft: #17243a;
  --blue: #2d6df6;
  --blue-bright: #3b82f6;
  --sky: #8bc5ff;
  --green: #25d58a;
  --ink: #111827;
  --muted: #5c6678;
  --line: #dce2ec;
  --mist: #f5f7fb;
  --white: #fff;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(7, 17, 32, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; background: white; padding: 12px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: white;
  background: rgba(7, 17, 32, .94);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 760; font-size: 19px; }
.brand em { color: var(--blue-bright); font-style: normal; }
.brand-mark { width: 37px; color: var(--blue-bright); }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 650; }
.nav-links a { text-decoration: none; color: #dfe7f6; }
.nav-links a:hover { color: white; }
.menu-button { display: none; border: 1px solid #506078; border-radius: 10px; color: white; background: transparent; padding: 9px 12px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; border: 0; border-radius: 999px; padding: 0 24px; font: inherit; font-weight: 760; text-decoration: none; cursor: pointer; }
.button-primary { color: white; background: var(--blue); box-shadow: 0 12px 30px rgba(45,109,246,.28); }
.button-primary:hover { background: #1f5fe6; transform: translateY(-1px); }
.button-secondary { color: white; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.3); }
.button-light { background: white; color: var(--navy); }
.button-small { min-height: 42px; padding-inline: 19px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero { overflow: hidden; color: white; background: var(--navy); padding: 92px 0 96px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .78fr); gap: 72px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--sky); font-size: 13px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin-bottom: 24px; font-size: clamp(42px, 6vw, 72px); line-height: .99; letter-spacing: -.045em; }
.hero-copy { max-width: 660px; color: #ccd5e4; font-size: 19px; line-height: 1.7; }
.checks { display: grid; gap: 11px; margin: 27px 0 0; padding: 0; list-style: none; color: #eaf0fa; }
.checks li { display: flex; gap: 11px; }
.checks li::before { content: "✓"; flex: 0 0 auto; color: var(--green); font-weight: 900; }
.signal-card { position: relative; padding: 34px; border: 1px solid rgba(255,255,255,.12); border-radius: 28px; background: linear-gradient(145deg, rgba(45,109,246,.20), rgba(255,255,255,.05)); box-shadow: 0 30px 80px rgba(0,0,0,.25); }
.signal-card::before { content: ""; position: absolute; width: 160px; height: 160px; right: -45px; top: -50px; border-radius: 50%; background: var(--blue); filter: blur(75px); opacity: .6; }
.signal-label { color: var(--sky); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.signal-number { margin: 16px 0 8px; font-size: 54px; font-weight: 800; letter-spacing: -.05em; }
.signal-caption { color: #cbd5e1; line-height: 1.6; }
.signal-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.signal-list div { padding: 16px; border-radius: 15px; background: rgba(255,255,255,.07); color: #e6eef9; font-size: 13px; }

.section { padding: 96px 0; }
.section-soft { background: var(--mist); }
.section-dark { color: white; background: var(--navy); }
.section-heading { max-width: 760px; margin-bottom: 46px; }
.section-heading.center { text-align: center; margin-inline: auto; }
.section-heading h2, .prose h2 { margin-bottom: 18px; font-size: clamp(34px, 4.5vw, 52px); line-height: 1.08; letter-spacing: -.035em; }
.section-heading p { color: var(--muted); font-size: 18px; line-height: 1.75; }
.section-dark .section-heading p { color: #c4cedd; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.card-icon { display: grid; place-items: center; width: 45px; height: 45px; margin-bottom: 25px; border-radius: 13px; color: var(--blue); background: #eaf1ff; font-size: 20px; font-weight: 800; }
.card h3 { margin-bottom: 12px; font-size: 21px; }
.card p { margin: 0; color: var(--muted); line-height: 1.7; }
.steps { counter-reset: steps; }
.steps .card { counter-increment: steps; }
.steps .card-icon::before { content: "0" counter(steps); }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare-card { padding: 38px; border-radius: 28px; }
.compare-card.old { color: #53171b; background: #f8e9eb; border: 1px solid #efcfd3; }
.compare-card.new { color: #073c2c; background: #e4f9f0; border: 1px solid #bdebd8; }
.compare-card .tag { font-size: 12px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.compare-card h3 { margin: 18px 0 15px; font-size: clamp(28px, 3vw, 40px); line-height: 1.12; }
.compare-card p { margin-bottom: 20px; line-height: 1.75; }
.compare-card ul { display: grid; gap: 11px; padding-left: 20px; }

.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.industry { padding: 21px; border: 1px solid #2b3a51; border-radius: 16px; background: var(--navy-soft); text-decoration: none; font-weight: 700; }
.industry:hover { border-color: var(--blue-bright); transform: translateY(-2px); }
.industry span { display: block; margin-top: 8px; color: #aebbd0; font-size: 13px; font-weight: 500; }

.cta-band { padding: 62px; border-radius: 30px; color: white; background: linear-gradient(135deg, #245fe4, #1243b6); box-shadow: var(--shadow); }
.cta-band h2 { max-width: 720px; margin-bottom: 15px; font-size: clamp(35px, 4.5vw, 52px); line-height: 1.08; }
.cta-band p { max-width: 650px; color: #dce9ff; font-size: 18px; line-height: 1.7; }

.form-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; }
.contact-list { display: grid; gap: 18px; margin-top: 32px; }
.contact-list div { padding: 22px; border: 1px solid #2b3a51; border-radius: 16px; background: var(--navy-soft); }
.contact-list strong { display: block; margin-bottom: 6px; }
.contact-list span, .contact-list a { color: #bfcae0; }
.lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; padding: 32px; border-radius: 24px; color: var(--ink); background: white; box-shadow: 0 28px 75px rgba(0,0,0,.25); }
.field { display: grid; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 750; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid #ccd5e1; border-radius: 11px; padding: 12px 13px; color: var(--ink); background: #f9fbfe; font: inherit; }
.field textarea { min-height: 92px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 3px solid rgba(45,109,246,.2); border-color: var(--blue); }
.form-note { grid-column: 1 / -1; margin: 0; color: #6b7280; font-size: 12px; line-height: 1.5; }
.form-status { grid-column: 1 / -1; padding: 13px; border-radius: 10px; color: #26446b; background: #eaf3ff; font-size: 14px; }

.page-hero { color: white; background: var(--navy); padding: 78px 0 82px; }
.page-hero h1 { max-width: 880px; font-size: clamp(40px, 6vw, 66px); }
.page-hero .hero-copy { max-width: 760px; }
.prose-shell { width: min(860px, calc(100% - 40px)); margin-inline: auto; }
.prose { font-size: 18px; line-height: 1.78; }
.prose section { margin-bottom: 64px; }
.prose h2 { margin-top: 0; font-size: clamp(29px, 4vw, 42px); }
.prose h3 { margin: 30px 0 12px; font-size: 22px; }
.prose p, .prose li { color: #3f4a5d; }
.prose ul, .prose ol { display: grid; gap: 11px; padding-left: 24px; }
.prose details { margin-bottom: 12px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.prose summary { padding: 18px 20px; cursor: pointer; font-weight: 760; }
.prose details p { padding: 0 20px 20px; margin: 0; }
.breadcrumbs { margin-bottom: 20px; color: #aebbd0; font-size: 13px; }
.breadcrumbs a { color: white; }
.article-meta { color: #98a8c0; font-size: 14px; }

.site-footer { padding: 56px 0; color: #b7c2d5; background: var(--navy-deep); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 42px; }
.footer-copy { max-width: 430px; margin-top: 17px; line-height: 1.7; }
.footer-title { margin-bottom: 15px; color: white; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #b7c2d5; text-decoration: none; }
.footer-links a:hover { color: white; }
.copyright { margin-top: 42px; padding-top: 24px; border-top: 1px solid #1e2b40; font-size: 13px; }

@media (max-width: 900px) {
  .hero-grid, .form-grid { grid-template-columns: 1fr; }
  .signal-card { max-width: 620px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { position: absolute; inset: 78px 0 auto; display: grid; gap: 0; padding: 12px 20px 22px; background: var(--navy-deep); }
  .nav-links[hidden] { display: none; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid #1c2a40; }
  .menu-button { display: block; }
}

@media (max-width: 620px) {
  .shell, .prose-shell { width: min(100% - 30px, 1160px); }
  .hero { padding: 64px 0 72px; }
  .hero-grid { gap: 45px; }
  h1 { font-size: 43px; }
  .hero-copy, .section-heading p, .prose { font-size: 16px; }
  .button-row { display: grid; }
  .button-row .button { width: 100%; }
  .section { padding: 72px 0; }
  .cards, .compare, .industry-grid { grid-template-columns: 1fr; }
  .signal-list { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 25px; }
  .lead-form { grid-template-columns: 1fr; padding: 23px; }
  .field-full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 58px 0 64px; }
}