:root {
  color-scheme: light;
  --ink: #17211d;
  --muted: #5c6762;
  --paper: #f5f6f3;
  --line: #d6dbd7;
  --accent: #b7f06a;
  --accent-hover: #cbff86;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 5vw, 72px);
  color: var(--white);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 6px;
  background: rgb(17 28 23 / 58%);
  color: var(--accent);
}

.header-link {
  border-bottom: 1px solid rgb(255 255 255 / 65%);
  font-size: 14px;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background: rgb(8 16 12 / 58%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 88svh;
  max-width: 860px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 112px clamp(20px, 8vw, 120px) 120px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(44px, 8vw, 90px);
  line-height: 1.02;
  letter-spacing: 0;
}

.intro {
  max-width: 600px;
  margin-bottom: 30px;
  color: rgb(255 255 255 / 83%);
  font-size: clamp(17px, 2vw, 21px);
}

.primary-action {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  gap: 22px;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: 6px;
  background: var(--accent);
  color: #152019;
  font-weight: 750;
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.primary-action:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.scroll-cue {
  position: absolute;
  z-index: 2;
  right: clamp(20px, 5vw, 72px);
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgb(255 255 255 / 80%);
  font-size: 13px;
  text-decoration: none;
}

.link-section {
  display: grid;
  max-width: 1200px;
  min-height: 48vh;
  grid-template-columns: minmax(180px, 0.75fr) minmax(0, 1.7fr);
  gap: clamp(36px, 7vw, 100px);
  margin: 0 auto;
  padding: clamp(70px, 10vw, 130px) clamp(20px, 5vw, 72px);
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: 0;
}

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

.link-item {
  display: flex;
  min-height: 120px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

.link-item:hover {
  border-color: #7d8a82;
  transform: translateY(-2px);
}

.link-copy strong,
.link-copy span {
  display: block;
}

.link-copy span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
}

.link-arrow {
  color: #56703e;
  font-size: 20px;
}

footer {
  display: flex;
  max-width: 1200px;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  padding: 24px clamp(20px, 5vw, 72px) 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

noscript {
  position: fixed;
  z-index: 20;
  right: 16px;
  bottom: 16px;
  padding: 12px 16px;
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .site-header {
    padding-top: 18px;
  }

  .hero,
  .hero-content {
    min-height: 82svh;
  }

  .hero-content {
    padding-top: 100px;
  }

  .scroll-cue {
    display: none;
  }

  .link-section {
    grid-template-columns: 1fr;
  }

  .link-grid {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}