:root {
  --ink: #121926;
  --muted: #4a5568;
  --paper: #f6f8fb;
  --field-paper: #e8f0f4;
  --header: #101826;
  --white: #ffffff;
  --line: #dfe6f1;
  --blue: #2564eb;
  --green: #10a37f;
  --red: #e32d40;
  --gold: #ddaa3a;
  --shadow: 0 18px 50px rgba(18, 25, 38, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 12px clamp(22px, 4vw, 60px);
  color: var(--white);
  background: rgba(16, 24, 38, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 34px rgba(18, 25, 38, 0.2);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 850;
  white-space: nowrap;
}

.brand img {
  width: 56px;
  height: 56px;
  padding: 3px;
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: #e7eef8;
  font-size: 16px;
  font-weight: 800;
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.text-link:hover {
  color: var(--gold);
}

.hero {
  position: relative;
  min-height: min(760px, 78vh);
  display: grid;
  align-items: center;
  padding: 96px clamp(20px, 7vw, 92px) 92px;
  overflow: hidden;
  background-image: url("assets/openfootball-site-hero-1600x900.png");
  background-color: var(--field-paper);
  background-position: center right;
  background-size: cover;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background: linear-gradient(90deg, var(--blue) 0 25%, var(--green) 25% 50%, var(--red) 50% 75%, var(--gold) 75% 100%);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(236, 243, 248, 0.94) 0%, rgba(236, 243, 248, 0.84) 43%, rgba(236, 243, 248, 0.56) 68%, rgba(236, 243, 248, 0.32) 100%),
    rgba(37, 100, 235, 0.05);
}

.hero__content {
  position: relative;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: #0b8f72;
  font-size: 16px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  font-size: clamp(46px, 7vw, 90px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 750;
  line-height: 1.25;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 850;
  line-height: 1.1;
}

.button--primary {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.button--secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
}

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

.hero__note {
  margin: 18px 0 0;
  color: var(--muted);
  font-weight: 650;
}

.section {
  scroll-margin-top: 92px;
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
  background: var(--white);
}

.section--alt {
  background: var(--paper);
}

.section--status {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--zh {
  background: #eefaf6;
}

.section--notice {
  background: #eefaf6;
}

.section__inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.status-grid,
.two-column,
.feedback {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.status-grid p,
.two-column p,
.feedback p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.35vw, 21px);
  line-height: 1.68;
}

.copy-stack p + p {
  margin-top: 16px;
}

.notice-copy {
  max-width: 920px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.card {
  min-height: 278px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(18, 25, 38, 0.06);
}

.card ul,
.check-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.card li,
.check-list li {
  position: relative;
  padding-left: 18px;
  margin-top: 12px;
  color: var(--muted);
  font-size: clamp(17px, 1.15vw, 19px);
  line-height: 1.55;
}

.card li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.text-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--ink);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.timeline__item {
  min-height: 198px;
  padding: 24px 0;
  border-top: 5px solid var(--blue);
}

.timeline__item:nth-child(2) {
  border-color: var(--green);
}

.timeline__item:nth-child(3) {
  border-color: var(--red);
}

.timeline__item span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--muted);
  font-weight: 900;
}

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

.feedback {
  align-items: center;
}

.footer {
  padding: 30px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: var(--ink);
}

.footer__inner {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer p {
  margin: 0;
  font-size: 13px;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 680px;
    padding-top: 72px;
  }

  .status-grid,
  .two-column,
  .feedback,
  .cards,
  .timeline {
    grid-template-columns: 1fr;
  }

  .card,
  .timeline__item {
    min-height: auto;
  }

  .footer__inner {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .brand span {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }
}