:root {
  --bg: #07111f;
  --bg2: #0d1f36;
  --surface: #ffffff;
  --surface2: #f4f8fc;
  --text: #0c1726;
  --muted: #637083;
  --white: #ffffff;
  --line: rgba(9, 25, 44, .12);
  --lineLight: rgba(255, 255, 255, .16);
  --accent: #80d5ff;
  --accent2: #dff5ff;
  --blue: #153e75;
  --green: #2f8b70;
  --gold: #f1c56c;
  --shadow: 0 24px 70px rgba(0, 0, 0, .22);
  --softShadow: 0 18px 45px rgba(8, 25, 44, .08);
  --radius: 24px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.62;
}

body.light {
  background: #f6f8fb;
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
p { margin: 0 0 1rem; }
strong { font-weight: 850; }

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 17, 31, .88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--lineLight);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -.025em;
  white-space: nowrap;
}

.brandMark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, #e6f8ff, #73d3ff);
  color: #07111f;
  display: grid;
  place-items: center;
  font-weight: 950;
  box-shadow: 0 14px 40px rgba(135, 214, 255, .24);
}

.menu {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, .78);
  font-size: .94rem;
}

.menu a:hover { color: var(--white); }
.navCta {
  padding: 11px 17px;
  border-radius: 999px;
  background: var(--white);
  color: var(--bg);
  font-weight: 850;
  box-shadow: 0 14px 32px rgba(0, 0, 0, .18);
}

.menuToggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--lineLight);
  border-radius: 14px;
  background: rgba(255, 255, 255, .06);
  color: var(--white);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menuToggle span,
.menuToggle span::before,
.menuToggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 99px;
  position: relative;
}

.menuToggle span::before { position: absolute; top: -7px; }
.menuToggle span::after { position: absolute; top: 7px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 68px;
  background:
    radial-gradient(circle at 85% 10%, rgba(128, 213, 255, .24), transparent 34%),
    radial-gradient(circle at 12% 30%, rgba(47, 139, 112, .2), transparent 26%),
    var(--bg);
}

.heroGrid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 46px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--lineLight);
  border-radius: 999px;
  color: var(--accent2);
  background: rgba(255, 255, 255, .06);
  font-size: .9rem;
  margin-bottom: 24px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(128, 213, 255, .16);
}

h1, h2, h3 { line-height: 1.08; margin: 0; letter-spacing: -.045em; }
h1 { font-size: clamp(2.55rem, 5.8vw, 5.7rem); max-width: 950px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
h3 { font-size: clamp(1.18rem, 2.4vw, 1.55rem); letter-spacing: -.025em; }

.heroText {
  margin-top: 24px;
  font-size: clamp(1.08rem, 1.7vw, 1.25rem);
  color: rgba(255, 255, 255, .78);
  max-width: 720px;
}

.heroActions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 850;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: .98rem;
}

.button.primary { background: var(--white); color: var(--bg); }
.button.secondary { border-color: var(--lineLight); color: var(--white); background: rgba(255, 255, 255, .06); }
.button.dark { background: var(--bg); color: var(--white); }
.button.lightButton { background: var(--surface2); color: var(--blue); border-color: var(--line); }

.heroCard {
  background: rgba(255, 255, 255, .1);
  border: 1px solid var(--lineLight);
  border-radius: 30px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.metricGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.metric {
  background: rgba(255, 255, 255, .1);
  border: 1px solid var(--lineLight);
  border-radius: 20px;
  padding: 18px;
}

.metric b {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  margin-bottom: 8px;
}

.metric span { color: rgba(255, 255, 255, .76); font-size: .92rem; }

.trustStrip {
  border-top: 1px solid var(--lineLight);
  border-bottom: 1px solid var(--lineLight);
  background: rgba(255, 255, 255, .04);
  padding: 18px 0;
}

.trustItems {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.pill {
  padding: 8px 12px;
  border: 1px solid var(--lineLight);
  border-radius: 999px;
  color: rgba(255, 255, 255, .78);
  background: rgba(255, 255, 255, .05);
  font-size: .9rem;
}

.section {
  padding: 82px 0;
  background: #f6f8fb;
  color: var(--text);
}

.section.dark {
  background: var(--bg2);
  color: var(--white);
}

.section.soft { background: #eef4fa; }
.sectionLabel {
  color: var(--blue);
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .78rem;
  margin-bottom: 14px;
}

.dark .sectionLabel { color: var(--accent); }
.lead {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 780px;
}
.dark .lead { color: rgba(255, 255, 255, .74); }

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 34px;
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 34px;
}

.card {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--softShadow);
}

.dark .card { box-shadow: none; }
.card p { color: var(--muted); }
.cardIcon {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: #e8f6ff;
  color: var(--blue);
  font-weight: 950;
  margin-bottom: 18px;
}

.linkCard {
  display: block;
  transition: transform .18s ease, border-color .18s ease;
}
.linkCard:hover { transform: translateY(-3px); border-color: rgba(21, 62, 117, .28); }

.split {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 38px;
  align-items: start;
}

.featureList {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.check {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--green);
  font-weight: 900;
  font-size: .85rem;
}

.tableWrap { overflow-x: auto; margin-top: 30px; }
.infoTable {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--softShadow);
}
.infoTable th, .infoTable td {
  text-align: left;
  vertical-align: top;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}
.infoTable tr:last-child th, .infoTable tr:last-child td { border-bottom: 0; }
.infoTable th { width: 30%; background: #f4f8fc; }

.ctaBox {
  border-radius: 30px;
  padding: clamp(28px, 5vw, 48px);
  background:
    radial-gradient(circle at 80% 10%, rgba(128, 213, 255, .28), transparent 32%),
    var(--bg);
  color: var(--white);
  box-shadow: var(--shadow);
  border: 1px solid var(--lineLight);
}
.ctaBox p { color: rgba(255, 255, 255, .76); }

.formGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.formField.full { grid-column: 1 / -1; }
label {
  display: block;
  font-weight: 820;
  margin-bottom: 7px;
  color: var(--text);
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 15px;
  min-height: 50px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: var(--white);
}
textarea { min-height: 138px; resize: vertical; }
.formNote { font-size: .88rem; color: var(--muted); margin-top: 12px; }

.faq {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}
.faq details {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: var(--softShadow);
}
.faq summary { cursor: pointer; font-weight: 900; }
.faq p { color: var(--muted); margin-top: 12px; }

.footer {
  background: #06101e;
  color: rgba(255, 255, 255, .72);
  padding: 42px 0;
  border-top: 1px solid var(--lineLight);
}
.footerGrid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 26px;
}
.footer b { color: var(--white); }
.footer a { display: block; margin-top: 8px; color: rgba(255, 255, 255, .82); }
.footer a:hover { color: var(--white); }
.small { font-size: .9rem; color: var(--muted); }
.dark .small { color: rgba(255, 255, 255, .68); }

.pageHero {
  padding: 72px 0 54px;
  background:
    radial-gradient(circle at top right, rgba(128, 213, 255, .21), transparent 34%),
    var(--bg);
}
.breadcrumbs {
  color: rgba(255, 255, 255, .72);
  margin-bottom: 24px;
  font-size: .92rem;
}
.breadcrumbs a { color: var(--accent2); font-weight: 800; }
.content {
  background: #f6f8fb;
  color: var(--text);
  padding: 64px 0 84px;
}
.article {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 34px;
  align-items: start;
}
.articleMain {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 42px);
  box-shadow: var(--softShadow);
}
.articleMain h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); margin-top: 34px; }
.articleMain h2:first-child { margin-top: 0; }
.articleMain h3 { margin-top: 26px; }
.articleMain p, .articleMain li { color: #435065; }
.articleMain ul { padding-left: 22px; }
.sideBox {
  position: sticky;
  top: 98px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  box-shadow: var(--softShadow);
}
.sideBox a {
  display: block;
  padding: 9px 0;
  color: var(--blue);
  font-weight: 820;
  border-bottom: 1px solid var(--line);
}
.sideBox a:last-child { border-bottom: 0; }
.sourceBox {
  padding: 16px 18px;
  background: #eef7ff;
  color: #153e75;
  border-radius: 18px;
  border: 1px solid rgba(21, 62, 117, .12);
  margin: 22px 0;
  font-weight: 760;
}
.sourceBox a { color: #153e75; text-decoration: underline; }

.popupBackdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 10, 19, .66);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 22px;
}
.popupBackdrop.open { display: flex; }
.popup {
  width: min(520px, 100%);
  background: var(--white);
  color: var(--text);
  border-radius: 26px;
  padding: 28px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .32);
  border: 1px solid var(--line);
}
.popup h2 { font-size: 1.7rem; margin-bottom: 10px; }
.popup p { color: var(--muted); }
.popupActions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

@media (max-width: 980px) {
  .menuToggle { display: inline-flex; }
  .menu {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: rgba(7, 17, 31, .98);
    border: 1px solid var(--lineLight);
    border-radius: 22px;
    padding: 18px;
    box-shadow: var(--shadow);
  }
  .menu.open { display: flex; }
  .menu a { padding: 10px 4px; }
  .navCta { text-align: center; }
  .heroGrid, .split, .article { grid-template-columns: 1fr; }
  .grid3 { grid-template-columns: 1fr 1fr; }
  .sideBox { position: static; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }
  .hero { padding: 62px 0 48px; }
  .section { padding: 58px 0; }
  .grid3, .grid2, .metricGrid, .formGrid, .footerGrid { grid-template-columns: 1fr; }
  .button { width: 100%; }
  .heroCard, .card, .articleMain, .ctaBox { border-radius: 22px; }
  .infoTable th, .infoTable td { display: block; width: 100%; }
  .infoTable th { border-bottom: 0; }
}