:root {
  --paper: #f7f3ea;
  --paper-soft: #fffaf1;
  --ink: #142027;
  --muted: #5d6a6f;
  --line: rgba(20, 32, 39, 0.14);
  --blue: #195a9c;
  --blue-deep: #12324d;
  --yellow: #e5b320;
  --green: #2f6f52;
  --rust: #b7563f;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(18, 50, 77, 0.18);
}

* {
  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;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-180%);
  background: var(--ink);
  color: var(--white);
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3.5rem);
  color: var(--white);
  background: linear-gradient(180deg, rgba(10, 19, 26, 0.78), rgba(10, 19, 26, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--white);
  text-decoration: none;
}

.brand-logo {
  width: clamp(190px, 20vw, 270px);
  height: auto;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.28));
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  font-size: 0.93rem;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.88);
}

.nav a:hover,
.nav a:focus {
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--blue-deep);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(8, 19, 27, 0.72), rgba(8, 19, 27, 0.38) 42%, rgba(8, 19, 27, 0.1)),
    url("oddstracker-hero.jpg") center / cover no-repeat;
  transform: scale(1.01);
}

.hero-shade {
  background:
    radial-gradient(circle at 16% 35%, rgba(229, 179, 32, 0.28), transparent 28%),
    linear-gradient(180deg, rgba(7, 15, 21, 0.05) 0%, rgba(7, 15, 21, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 9rem 0 12.5rem;
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  line-height: 1.25;
  text-transform: uppercase;
  font-weight: 850;
  color: var(--yellow);
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(3rem, 10vw, 7.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin: 1.35rem 0 0;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.1rem;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
}

.button.primary {
  color: #111820;
  background: var(--yellow);
}

.button.primary:hover,
.button.primary:focus {
  background: #f0c848;
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.button.secondary:hover,
.button.secondary:focus {
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.18);
}

.hero-metrics {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  width: min(1120px, calc(100% - 2rem));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.hero-metrics div {
  min-width: 0;
  padding: 1rem;
  background: rgba(9, 22, 32, 0.48);
}

.hero-metrics span,
.mock-header span,
.mock-note {
  display: block;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  font-weight: 750;
}

.hero-metrics strong {
  display: block;
  margin-top: 0.2rem;
  color: var(--white);
}

.section-band {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--paper);
}

.section-band.light {
  background: var(--paper-soft);
}

.section-band.accent {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(25, 90, 156, 0.92), rgba(47, 111, 82, 0.9)),
    linear-gradient(90deg, var(--blue), var(--green));
}

.section-band.accent .section-kicker {
  color: #ffe083;
}

.section-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.intro-grid,
.method-grid,
.two-column,
.responsible-grid,
.preview-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

h2 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0.9rem 0 0.65rem;
  font-size: 1.22rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.prose p,
.preview-copy p,
.cta p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.prose p + p,
.preview-copy p + p {
  margin-top: 1rem;
}

.section-band.accent .prose p,
.section-band.accent .prose a {
  color: rgba(255, 255, 255, 0.86);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.feature-card {
  min-height: 300px;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 35px rgba(20, 32, 39, 0.06);
}

.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 32px;
  border-radius: 6px;
  color: var(--blue-deep);
  background: rgba(229, 179, 32, 0.22);
  font-weight: 850;
}

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

.data-preview {
  padding: clamp(4rem, 8vw, 7rem) 0;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(18, 50, 77, 0.94), rgba(20, 32, 39, 0.96)),
    var(--blue-deep);
}

.data-preview .section-kicker {
  color: var(--yellow);
}

.preview-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.mock-table {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.mock-header {
  padding: 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
}

.mock-header strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.2rem;
}

.mock-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mock-row strong {
  color: #ffe083;
}

.rank {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  color: #13202a;
  background: var(--yellow);
  font-weight: 850;
}

.mock-note {
  padding: 0.9rem 1.15rem;
}

.responsible {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: #f2eee5;
  border-top: 1px solid var(--line);
}

.responsible a {
  color: var(--blue);
  font-weight: 750;
}

.cta {
  padding: clamp(4rem, 8vw, 6rem) 0;
  text-align: center;
  background: var(--paper-soft);
}

.cta-inner {
  max-width: 760px;
}

.cta p {
  margin: 1rem auto 1.5rem;
  max-width: 640px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.82);
  background: #101820;
}

.footer-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.35rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  margin: 0;
}

.footer-small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.9rem;
  text-align: right;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 860px;
  }

  .hero-media {
    background-position: 62% center;
  }

  .hero-content {
    padding: 7.5rem 0 15rem;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .hero-metrics,
  .intro-grid,
  .method-grid,
  .two-column,
  .responsible-grid,
  .preview-layout,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    bottom: 1rem;
  }

  .feature-card {
    min-height: auto;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-small {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 64px;
    padding: 0.85rem 1rem;
  }

  .brand {
    max-width: min(64vw, 230px);
  }

  .brand-logo {
    width: min(64vw, 230px);
  }

  .hero {
    min-height: 910px;
  }

  .hero-content {
    padding-top: 6.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-metrics div {
    padding: 0.85rem;
  }

  .mock-row {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .mock-row strong {
    grid-column: 2;
  }
}