:root {
  color-scheme: light;
  --bg: #f4f7f9;
  --surface: #ffffff;
  --surface-strong: #eef4f6;
  --ink: #152028;
  --muted: #5c6d77;
  --line: #d9e3e7;
  --accent: #167f8f;
  --accent-strong: #0e5361;
  --accent-soft: #d9f0f2;
  --amber: #d28b20;
  --shadow: 0 18px 50px rgba(25, 45, 57, 0.12);
  --radius: 8px;
  --max: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: #0b7182;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(244, 247, 249, 0.92);
  border-bottom: 1px solid rgba(217, 227, 231, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--accent-strong);
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  padding: 8px 11px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.hero,
.section,
.site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
  min-height: clamp(620px, 84vh, 820px);
  padding: 58px 0 46px;
}

.hero-content {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
}

h1 {
  max-width: 820px;
  font-size: clamp(42px, 7vw, 76px);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: 0;
}

h3 {
  font-size: 22px;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 22px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 15px;
}

.trust-strip strong {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(22, 127, 143, 0.22);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent-strong);
  color: #ffffff;
}

.button.secondary {
  background: #ffffff;
  border-color: var(--line);
  color: var(--ink);
}

.traffic-panel {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  background: #102631;
  color: #ffffff;
  box-shadow: var(--shadow);
}

.traffic-panel-header,
.stats {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
}

.traffic-panel-header {
  align-items: center;
  color: #c1d3da;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.traffic-panel-header strong {
  color: #ffffff;
}

.session-panel {
  display: grid;
  gap: 12px;
  min-height: 360px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
    #102631;
}

.session-row,
.match-card {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  min-height: 58px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  color: #c9dde2;
}

.session-row.active {
  border-color: rgba(106, 208, 217, 0.55);
  background: rgba(106, 208, 217, 0.13);
}

.session-row strong {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 12px;
  text-transform: uppercase;
}

.flight {
  color: #ffffff;
  font-weight: 900;
}

.match-card {
  grid-template-columns: 1fr;
  align-content: center;
  margin-top: auto;
  background: rgba(241, 183, 93, 0.13);
}

.match-card span {
  color: #f4d398;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.match-card strong {
  color: #ffffff;
  font-size: 20px;
}

.stats {
  margin: 0;
  background: rgba(0, 0, 0, 0.18);
}

.stats div {
  min-width: 0;
}

.stats dt {
  color: #bdd2d7;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.stats dd {
  margin: 4px 0 0;
  color: #ffffff;
  font-size: 22px;
  font-weight: 900;
}

.section {
  padding: 76px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.intro,
.split,
.resource-columns,
.pros-cons,
.donation {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 42px;
  align-items: start;
}

.copy-block p:first-child {
  margin-top: 0;
}

.copy-block p:last-child {
  margin-bottom: 0;
}

.note {
  padding: 18px 20px;
  border-left: 4px solid var(--amber);
  border-radius: var(--radius);
  background: #fff6e6;
  color: #554431;
}

.feature-list,
.benefit-grid ul,
.pros-cons ul,
.link-list {
  padding-left: 1.1rem;
}

.feature-list li,
.benefit-grid li,
.pros-cons li,
.link-list li {
  margin: 8px 0;
}

.cards {
  display: grid;
  gap: 18px;
}

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

.card,
.benefit-grid article,
.pros-cons > div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 34px rgba(25, 45, 57, 0.07);
}

.card {
  padding: 24px;
}

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

.download-card {
  display: grid;
  gap: 12px;
  align-content: start;
}

.download-card p {
  margin: 0;
}

.tag {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 900;
}

.text-link {
  font-weight: 800;
}

.resource-section,
.testimonials,
.legacy {
  background:
    linear-gradient(90deg, rgba(238, 244, 246, 0.9), rgba(238, 244, 246, 0.2));
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max)) / 2));
}

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

.resource-columns > div {
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.link-list {
  margin: 18px 0 0;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.benefit-grid article,
.pros-cons > div {
  padding: 24px;
}

.benefit-grid h3,
.pros-cons h3 {
  margin-bottom: 14px;
}

.pros-cons {
  margin-top: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.quote-grid figure {
  margin: 0;
  padding: 24px;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 34px rgba(25, 45, 57, 0.07);
}

blockquote {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
  font-weight: 800;
}

.feedback-images {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.feedback-images img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 0 10px 34px rgba(25, 45, 57, 0.07);
}

.donation {
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.donation p:last-child {
  margin-bottom: 0;
}

.donation .button {
  justify-self: end;
}

.legacy {
  margin-top: 76px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 34px 0;
  color: var(--muted);
  font-size: 15px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .intro,
  .split,
  .donation {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 44px;
  }

  .traffic-panel {
    order: -1;
  }

  .benefit-grid,
  .quote-grid,
  .feedback-images {
    grid-template-columns: 1fr;
  }

  .donation .button {
    justify-self: start;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  .hero,
  .section,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  .hero-copy {
    font-size: 19px;
  }

  .two-columns,
  .resource-columns,
  .pros-cons {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 54px 0;
  }

  .resource-section,
  .testimonials,
  .legacy {
    padding-inline: 14px;
  }

  .button {
    width: 100%;
  }

  .session-panel {
    min-height: 300px;
  }

  .session-row {
    grid-template-columns: 1fr;
  }

  .stats {
    flex-direction: column;
  }

  .site-footer {
    flex-direction: column;
  }
}