/* ===== Base ===== */
:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --surface: #ffffff;
  --surface-soft: #f4f7fb;
  --text: #101422;
  --text-muted: #4a5568;
  --text-on-dark: #e9eefc;
  --line: #dbe3ef;
  --line-dark: #26314f;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --success: #0f766e;
  --shadow: 0 10px 30px rgba(16, 20, 34, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: #000;
  padding: 0.5rem 0.75rem;
  z-index: 9999;
  border: 1px solid #000;
  border-radius: 0.25rem;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
}

.lead {
  font-size: 1.125rem;
  color: #dbe6ff;
  max-width: 60ch;
}

.section {
  padding: 4.25rem 0;
}

.section-alt {
  background: var(--surface-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  line-height: 1.2;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 75ch;
}

.small-note {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.92);
  color: var(--text-on-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: 4.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-on-dark);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand:hover,
.brand:focus-visible {
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 0.4rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-size: 0.95rem;
}

.brand-text {
  white-space: nowrap;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.main-nav a {
  color: var(--text-on-dark);
  text-decoration: none;
  padding: 0.35rem 0.55rem;
  border-radius: 0.5rem;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(37, 99, 235, 0.18), transparent 60%),
    radial-gradient(700px 400px at 20% 0%, rgba(15, 118, 110, 0.12), transparent 65%),
    var(--bg);
  color: var(--text-on-dark);
  padding: 4.5rem 0 3.25rem;
  border-bottom: 1px solid var(--line-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.2rem;
  align-items: start;
}

.hero h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2rem, 1.4rem + 2vw, 3.1rem);
  line-height: 1.08;
  max-width: 16ch;
}

.hero-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  font-weight: 600;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.btn:hover,
.btn:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-on-dark);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.btn-block {
  width: 100%;
}

.trust-list {
  margin: 1rem 0 0;
  padding-left: 1rem;
  color: #d9e3fb;
}

.trust-list li + li {
  margin-top: 0.35rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius);
  padding: 1rem 1rem 0.9rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.hero-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 1rem;
}

.hero-card li + li {
  margin-top: 0.4rem;
}

.hero-card .small-note {
  margin-top: 0.85rem;
  color: #cbd7f3;
}

/* ===== Cards / grids ===== */
.cards {
  margin-top: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
}

/* ===== Split ===== */
.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  align-items: start;
}

.check-list {
  margin: 0.9rem 0 0;
  padding-left: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.45rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: 700;
}

.info-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.info-panel h3 {
  margin: 0 0 0.6rem;
}

/* ===== Chips ===== */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 0.95rem;
}

/* ===== Steps ===== */
.steps {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  counter-reset: step;
}

.steps li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
  box-shadow: var(--shadow);
}

.steps h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  line-height: 1.25;
}

.steps p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Contact ===== */
.contact-section {
  padding-top: 4rem;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.contact-card h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.4rem, 1.15rem + 1vw, 2rem);
  line-height: 1.15;
}

.contact-card p {
  margin: 0 0 0.8rem;
}

.contact-lines {
  margin-top: 0.6rem;
}

.contact-box {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.95rem;
}

.contact-box h3 {
  margin: 0 0 0.5rem;
}

/* ===== Footer ===== */
.site-footer {
  margin-top: 2.5rem;
  background: #0f1528;
  color: #d9e3fb;
  border-top: 1px solid #202b46;
}

.footer-inner {
  min-height: 5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.footer-nav {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #d9e3fb;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  text-decoration: underline;
}

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero-grid,
  .split,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.75rem 0;
  }

  .main-nav {
    gap: 0.35rem;
  }

  .main-nav a {
    padding: 0.3rem 0.45rem;
    font-size: 0.95rem;
  }

  .hero {
    padding-top: 3.25rem;
  }

  .lead {
    font-size: 1rem;
  }

  .grid-3,
  .steps {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.25rem 0;
  }
}