:root {
  --page-bg:
    radial-gradient(circle at 10% 0%, rgba(3, 157, 161, 0.10), transparent 30%),
    linear-gradient(145deg, #f8fbfd 0%, #eef5f8 52%, #f7fafc 100%);
  --card-bg: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.78);
  --panel-bg: #ffffff;
  --subtle-bg: #f4f8fa;
  --section-bg: #edf4f7;
  --text-primary: #10233d;
  --text-secondary: #3f536b;
  --text-muted: #66788c;
  --border: #c8d5de;
  --border-soft: #dde7ec;
  --brand: #062654;
  --brand-navy: #062654;
  --brand-teal: #039da1;
  --brand-accent: #02767a;
  --brand-soft: #e5f6f6;
  --brand-soft-border: #a9dfe0;
  --brand-on-primary: #ffffff;
  --primary-gradient: linear-gradient(135deg, #062654 0%, #0b3f75 100%);
  --primary-shadow: 0 12px 26px rgba(6, 38, 84, 0.22);
  --shadow: 0 20px 55px rgba(6, 38, 84, 0.13);
  --success-bg: #d9f3ee;
  --success-text: #12624f;
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--page-bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--page-bg);
  color: var(--text-primary);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 850;
  color: var(--brand);
}

.nav-symbol {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.nav-name {
  font-size: 1rem;
  letter-spacing: -0.015em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.93rem;
}

.nav-links > a:not(.button) {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 700;
}

.nav-links > a:not(.button):hover {
  color: var(--brand-accent);
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--border);
  border-radius: 11px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.button:hover { transform: translateY(-1px); }

.button-primary {
  border-color: transparent;
  background: var(--primary-gradient);
  color: var(--brand-on-primary);
  box-shadow: var(--primary-shadow);
}

.button-secondary {
  background: var(--card-bg);
  color: var(--brand-accent);
  border-color: var(--brand-accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(310px, 0.9fr) minmax(400px, 1.1fr);
  align-items: center;
  gap: clamp(38px, 6vw, 76px);
  padding: 68px 0 82px;
}

.hero-brand {
  min-width: 0;
  padding: 20px 0;
}

.hero-wordmark {
  width: min(520px, 100%);
}

.hero-copy {
  min-width: 0;
  padding-left: clamp(24px, 4vw, 48px);
  border-left: 1px solid color-mix(in srgb, var(--brand-teal) 38%, var(--border-soft));
}

.brand-pill {
  width: fit-content;
  margin: 0 0 18px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-accent);
  border: 1px solid var(--brand-soft-border);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1, h2, h3, p { overflow-wrap: anywhere; }

h1 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font-size: clamp(2.35rem, 5vw, 4.45rem);
  line-height: 1.02;
  letter-spacing: -0.052em;
}

.hero-copy p {
  max-width: 640px;
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(1.02rem, 1.8vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
  margin-top: 25px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.hero-trust span::before {
  content: "✓";
  margin-right: 7px;
  color: var(--brand-accent);
  font-weight: 900;
}

section { padding: 74px 0; }

.section-kicker {
  margin: 0 0 9px;
  color: var(--brand-accent);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.085em;
  text-transform: uppercase;
}

.section-title {
  max-width: 780px;
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.section-intro {
  max-width: 730px;
  margin: 15px 0 0;
  color: var(--text-secondary);
  font-size: 1.03rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}

.feature-card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  background: color-mix(in srgb, var(--card-bg) 86%, transparent);
  box-shadow: 0 12px 30px rgba(6, 38, 84, 0.055);
}

.feature-icon {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-accent);
  border: 1px solid var(--brand-soft-border);
  font-size: 1rem;
  font-weight: 900;
}

.feature-card h3 {
  margin: 15px 0 8px;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.preview-band {
  padding: 34px;
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  background:
    radial-gradient(circle at 88% 8%, color-mix(in srgb, var(--brand-teal) 12%, transparent), transparent 34%),
    var(--card-bg);
  box-shadow: 0 14px 34px rgba(6, 38, 84, 0.07);
}

.preview-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: center;
}

.preview-copy h2 {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.preview-copy p {
  margin: 14px 0 0;
  color: var(--text-secondary);
}

.mock-app {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--subtle-bg);
}

.mock-header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.mock-chip {
  padding: 6px 9px;
  border-radius: 9px;
  background: var(--card-bg);
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
  font-size: 0.73rem;
  font-weight: 800;
}

.mock-question {
  padding: 18px;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  background: var(--card-bg);
}

.mock-line {
  height: 8px;
  margin: 8px 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted) 20%, transparent);
}

.mock-line.short { width: 68%; }

.mock-option {
  height: 35px;
  margin-top: 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--subtle-bg);
}

.mock-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.mock-stat {
  padding: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--card-bg);
}

.mock-stat small {
  display: block;
  color: var(--text-muted);
  font-size: 0.68rem;
}

.mock-stat strong {
  display: block;
  margin-top: 3px;
  color: var(--text-primary);
  font-size: 0.86rem;
}

.mock-stat.accent {
  background: var(--brand-soft);
  border-color: var(--brand-soft-border);
  color: var(--brand-accent);
}

.about-band {
  padding: 34px;
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  background: color-mix(in srgb, var(--card-bg) 86%, transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.about-list li {
  margin: 10px 0;
  color: var(--text-secondary);
}

.about-list li::before {
  content: "•";
  margin-right: 9px;
  color: var(--brand-teal);
  font-weight: 900;
}

.notice {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 4px solid var(--brand-teal);
  border-radius: 0 13px 13px 0;
  background: var(--subtle-bg);
  color: var(--text-secondary);
  font-size: 0.91rem;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 38px;
  border-radius: 25px;
  color: white;
  background:
    radial-gradient(circle at 82% 12%, rgba(3, 157, 161, 0.30), transparent 28%),
    var(--primary-gradient);
  box-shadow: var(--primary-shadow);
}

.cta h2 {
  margin: 0;
  color: white;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.cta p {
  max-width: 650px;
  margin: 9px 0 0;
  color: rgba(255,255,255,0.82);
}

.cta .button-secondary {
  color: var(--brand-navy);
  background: white;
  border-color: white;
}

.site-footer {
  margin-top: 70px;
  padding: 34px 0 42px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-muted);
  font-size: 0.86rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-brand {
  width: 190px;
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
}

/* Supporting pages */
.support-nav-brand {
  width: 220px;
}

.support-main {
  width: min(850px, calc(100% - 40px));
  margin: 0 auto;
  padding: 62px 0 90px;
}

.support-main h1 {
  max-width: 760px;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
}

.support-main h2 {
  margin: 36px 0 8px;
  color: var(--text-primary);
  font-size: 1.22rem;
}

.support-main p,
.support-main li {
  color: var(--text-secondary);
}

.support-lead {
  font-size: 1.08rem;
}

.support-callout {
  margin: 28px 0;
  padding: 18px;
  border-left: 4px solid var(--brand-teal);
  border-radius: 0 13px 13px 0;
  background: var(--brand-soft);
  color: var(--text-secondary);
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-bg:
      radial-gradient(circle at 10% 0%, rgba(3, 157, 161, 0.16), transparent 28%),
      linear-gradient(145deg, #07111f 0%, #091827 52%, #050c16 100%);
    --card-bg: #0c1b2e;
    --glass-bg: rgba(10, 27, 45, 0.78);
    --panel-bg: #10243a;
    --subtle-bg: #13283e;
    --section-bg: #152c44;
    --text-primary: #f2f7fa;
    --text-secondary: #c4d2dd;
    --text-muted: #91a7b9;
    --border: #34506a;
    --border-soft: #263f57;
    --brand: #5adbd8;
    --brand-teal: #039da1;
    --brand-accent: #5adbd8;
    --brand-soft: #123a48;
    --brand-soft-border: #2d7479;
    --brand-on-primary: #f8ffff;
    --primary-gradient: linear-gradient(135deg, #05656a 0%, #087f84 100%);
    --primary-shadow: 0 12px 28px rgba(3, 157, 161, 0.24);
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
    --success-bg: #104f49;
    --success-text: #d4fff7;
  }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 42px; }
  .hero-brand { max-width: 560px; }
  .hero-copy { padding-left: 0; padding-top: 26px; border-left: 0; border-top: 1px solid color-mix(in srgb, var(--brand-teal) 38%, var(--border-soft)); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .preview-grid, .about-grid { grid-template-columns: 1fr; }
  .cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .shell, .support-main { width: min(100% - 24px, 1180px); }
  .nav-links > a:not(.button) { display: none; }
  .nav-name { display: none; }
  .hero { padding: 34px 0 56px; }
  section { padding: 56px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .preview-band, .about-band, .cta { padding: 24px; }
  .mock-footer { grid-template-columns: 1fr; }
}