:root {
  --font-base: 'Poppins', 'Helvetica Neue', Arial, sans-serif;
  --color-bg: #050614;
  --color-surface: #0c1026;
  --color-surface-alt: #111736;
  --color-accent: #3d7bff;
  --color-accent-2: #5cffda;
  --color-primary: #ffb43d;
  --color-text: #dde2ff;
  --color-muted: #9aa3d6;
  --color-border: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 20px 45px rgba(15, 26, 75, 0.45);
  --shadow-card: 0 12px 24px rgba(10, 21, 64, 0.35);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --gradient-hero: radial-gradient(circle at top right, rgba(62, 107, 255, 0.45), transparent 55%),
                    radial-gradient(circle at 20% 20%, rgba(92, 255, 218, 0.32), transparent 45%),
                    linear-gradient(145deg, #050614 0%, #0c1026 55%, #10173a 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--color-accent-2);
}

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

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 6, 20, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
}

.top-bar .container {
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.1rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #050614;
  font-weight: 700;
}

.logo-text {
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo-img {
  width: 189px;
  height: 50px;
  object-fit: contain;
  display: block;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
}

.main-nav a {
  font-size: 0.95rem;
  color: var(--color-muted);
  position: relative;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 26px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #ff6b3d);
  color: #050614;
  box-shadow: 0 12px 22px rgba(255, 123, 61, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 26px rgba(255, 123, 61, 0.36);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--color-text);
  background: transparent;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.05);
}

.btn-dark {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-dark:hover,
.btn-dark:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.35);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.nav-open {
  overflow: hidden;
}
.hero {
  position: relative;
  padding: 140px 0 120px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 90%, rgba(93, 255, 232, 0.28), transparent 50%),
              radial-gradient(circle at 80% 10%, rgba(61, 123, 255, 0.45), transparent 50%);
  opacity: 0.45;
  filter: blur(18px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 72px;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 3vw + 1.2rem, 3.6rem);
  line-height: 1.15;
  margin-bottom: 22px;
}

.hero-copy p {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(61, 123, 255, 0.14);
  border: 1px solid rgba(92, 255, 218, 0.32);
  margin-bottom: 18px;
  text-align: center;
}

.badge-logo {
  height: 18px;
  width: auto;
  display: block;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

@media (min-width: 961px) {
  .hero-buttons {
    flex-direction: row;
    align-items: center;
  }
}

.hero-cta .btn {
  width: fit-content;
  min-width: 180px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 10px;
}

.hero-meta .stat {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-meta strong {
  font-size: 1.2rem;
  display: block;
  color: #fff;
}

.hero-visual {
  display: grid;
  gap: 24px;
}

.hero-app-preview {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}

.hero-card {
  background: rgba(12, 16, 38, 0.75);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(92, 255, 218, 0.2);
  padding: 28px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
}

.hero-card-main ul,
.hero-card-side ul,
.tournament-card ul {
  list-style: none;
  margin-top: 16px;
  color: var(--color-muted);
  display: grid;
  gap: 10px;
}

.hero-card-main .prize {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 8px 0 18px;
}

.hero-card .label {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-accent-2);
  margin-bottom: 18px;
  background: rgba(61, 123, 255, 0.18);
  padding: 6px 12px;
  border-radius: 999px;
}

.hero-card-side {
  display: grid;
  gap: 12px;
}

.section {
  padding: 110px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(12, 16, 38, 0.85), rgba(5, 6, 20, 0.95));
}

.team-horizontal {
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  padding-left: 6px;
  padding-right: 6px;
}

.team-horizontal::-webkit-scrollbar {
  height: 10px;
}

.team-horizontal::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.team-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - (2 * 20px)) / 3);
  gap: 20px;
  align-items: stretch;
}

.team-card {
  display: grid;
}

.team-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: var(--radius-lg);
  border: 0;
  display: block;
  background: transparent;
  box-shadow: none;
}

@media (max-width: 960px) {
  .team-track {
    grid-auto-columns: 100%;
    gap: 14px;
  }
}

.gallery-horizontal {
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  padding-left: 6px;
  padding-right: 6px;
}

.gallery-horizontal::-webkit-scrollbar {
  height: 10px;
}

.gallery-horizontal::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.gallery-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - (2 * 20px)) / 3); /* 3 个可见，含 2 个间隔 */
  gap: 20px;
  align-items: stretch;
  min-height: 0;
}

.shot {
  display: grid;
  align-content: start;
}

.shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  border-radius: var(--radius-lg);
  border: 0;
  display: block;
  box-shadow: none;
  background: transparent;
}

/* 统一尺寸显示，去除错落与特殊尺寸 */

@media (max-width: 960px) {
  .gallery-track {
    grid-auto-columns: 100%; /* 移动端一次显示 1 张 */
    gap: 14px;
  }
}

.section-heading {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
  display: grid;
  gap: 18px;
}

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

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.article-main {
  display: grid;
  gap: 24px;
}

.article-content {
  display: grid;
  gap: 16px;
  color: var(--color-muted);
}

.article-content h3 {
  color: #fff;
  margin-top: 8px;
}

.article-content ul,
.article-content ol {
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.tag-list {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(12, 16, 38, 0.7);
  border: 1px solid rgba(61, 123, 255, 0.22);
  color: var(--color-muted);
  font-size: 0.9rem;
  transition: transform 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.tag:hover,
.tag:focus-visible {
  transform: translateY(-1px);
  color: var(--color-accent-2);
  border-color: rgba(92, 255, 218, 0.5);
}

.article-sidebar {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.hot-news {
  background: rgba(12, 16, 38, 0.82);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(61, 123, 255, 0.2);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.hot-news-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(61, 123, 255, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hot-news-title::before {
  content: '🔥';
  font-size: 1.2rem;
}

.hot-news-content {
  display: grid;
  gap: 20px;
}

.hot-news-section {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hot-news-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.hot-news-category {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent-2);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hot-news-category::before {
  content: '▶';
  font-size: 0.7rem;
  color: var(--color-accent);
}

.hot-news-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.hot-news-list li {
  position: relative;
  padding-left: 16px;
}

.hot-news-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 1.2rem;
  line-height: 1;
}

.hot-news-list a {
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.5;
  transition: color 0.2s ease, transform 0.2s ease;
  display: block;
}

.hot-news-list a:hover,
.hot-news-list a:focus-visible {
  color: var(--color-accent-2);
  transform: translateX(4px);
}

.article-sidebar::-webkit-scrollbar {
  width: 6px;
}

.article-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.article-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.feature-card {
  background: rgba(12, 16, 38, 0.75);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(61, 123, 255, 0.25);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 18px;
}

.icon-ring {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(61, 123, 255, 0.15);
  border: 1px solid rgba(92, 255, 218, 0.35);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
}

.feature-card .link {
  color: var(--color-accent-2);
  font-weight: 500;
}

.section.section-alt .copy {
  max-width: 520px;
}

.copy p {
  color: var(--color-muted);
  margin-bottom: 24px;
}

.checklist {
  margin: 24px 0;
  display: grid;
  gap: 14px;
  color: var(--color-muted);
}

.tournament-cards {
  display: grid;
  gap: 18px;
  width: min(440px, 100%);
}

.tournament-card {
  border-radius: var(--radius-md);
  padding: 26px;
  background: rgba(12, 16, 38, 0.82);
  border: 1px solid rgba(61, 123, 255, 0.18);
}

.tournament-card.highlight {
  background: linear-gradient(145deg, rgba(61, 123, 255, 0.35), rgba(12, 16, 38, 0.95));
  border-color: rgba(92, 255, 218, 0.4);
}

.training {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.training-visual {
  position: relative;
}

.training-visual::before,
.training-visual::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 255, 218, 0.25), transparent 70%);
  filter: blur(10px);
  z-index: 0;
}

.training-visual::before {
  top: -40px;
  left: -40px;
}

.training-visual::after {
  bottom: -30px;
  right: -10px;
}

.screen {
  position: relative;
  z-index: 1;
  background: rgba(12, 16, 38, 0.8);
  border-radius: 26px;
  border: 1px solid rgba(61, 123, 255, 0.3);
  padding: 32px;
  box-shadow: 0 24px 50px rgba(8, 13, 35, 0.65);
  display: grid;
  gap: 18px;
}

.status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-accent-2);
  font-size: 0.87rem;
}

.status .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent-2);
  box-shadow: 0 0 12px rgba(92, 255, 218, 0.85);
}

.screen button {
  justify-self: flex-start;
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}

.pill {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(12, 16, 38, 0.6);
  color: var(--color-muted);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.download-card {
  background: rgba(12, 16, 38, 0.82);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(61, 123, 255, 0.2);
  padding: 32px;
  display: grid;
  gap: 18px;
}

.download-card ul {
  list-style: none;
  color: var(--color-muted);
  display: grid;
  gap: 8px;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(92, 255, 218, 0.55);
  background: repeating-linear-gradient(45deg, rgba(92, 255, 218, 0.08), rgba(92, 255, 218, 0.08) 12px, rgba(61, 123, 255, 0.08) 12px, rgba(61, 123, 255, 0.08) 24px);
  margin-top: 4px;
}

.security {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.security-grid .item {
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(12, 16, 38, 0.7);
  border: 1px solid rgba(61, 123, 255, 0.2);
}

.security-visual {
  display: grid;
  gap: 20px;
  justify-items: center;
}

.shield {
  width: 220px;
  aspect-ratio: 1 / 1.2;
  clip-path: polygon(50% 0%, 100% 18%, 85% 90%, 50% 100%, 15% 90%, 0% 18%);
  background: linear-gradient(180deg, rgba(61, 123, 255, 0.85), rgba(12, 16, 38, 0.9));
  border: 1px solid rgba(92, 255, 218, 0.45);
  position: relative;
  display: grid;
  place-items: center;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.shield .glow {
  position: absolute;
  inset: 10%;
  background: radial-gradient(circle, rgba(92, 255, 218, 0.45), transparent 70%);
  filter: blur(10px);
  z-index: 0;
}

.shield span,
.shield small {
  position: relative;
  z-index: 1;
}

.shield small {
  font-size: 0.7rem;
  color: var(--color-muted);
}

.cert-list {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--color-muted);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial {
  background: rgba(12, 16, 38, 0.75);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(61, 123, 255, 0.22);
  padding: 28px;
  display: grid;
  gap: 18px;
  box-shadow: var(--shadow-card);
}

.testimonial p {
  color: var(--color-muted);
  font-style: italic;
}

.author {
  display: grid;
  gap: 4px;
}

.author .name {
  font-weight: 600;
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.faq-list details {
  background: rgba(12, 16, 38, 0.78);
  border-radius: var(--radius-md);
  border: 1px solid rgba(61, 123, 255, 0.18);
  padding: 20px 24px;
}

.faq-list summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin-top: 12px;
  color: var(--color-muted);
}

.contact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.contact-card {
  background: rgba(12, 16, 38, 0.82);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(61, 123, 255, 0.2);
  padding: 36px;
  display: grid;
  gap: 18px;
}

.contact-card ul {
  list-style: none;
  color: var(--color-muted);
  display: grid;
  gap: 8px;
}

.socials {
  display: flex;
  gap: 12px;
}

.socials a {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  background: rgba(92, 255, 218, 0.12);
  border: 1px solid rgba(92, 255, 218, 0.28);
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  line-height: 1;
  position: relative;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.socials a svg {
  width: 18px;
  height: 18px;
  opacity: 0.9;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.socials a::after {
  content: attr(aria-label);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: rgba(12, 16, 38, 0.92);
  color: var(--color-text);
  border: 1px solid rgba(61, 123, 255, 0.3);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.socials a:hover::after,
.socials a:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.socials a:hover,
.socials a:focus-visible {
  background: rgba(92, 255, 218, 0.18);
  border-color: rgba(92, 255, 218, 0.45);
  transform: translateY(-1px);
  color: var(--color-accent-2);
}

.socials a:hover svg,
.socials a:focus-visible svg {
  opacity: 1;
  transform: scale(1.06);
}

.contact-form {
  background: rgba(12, 16, 38, 0.7);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(61, 123, 255, 0.18);
  padding: 36px;
  display: grid;
  gap: 18px;
}

.form-group {
  display: grid;
  gap: 10px;
}

label {
  font-weight: 500;
}

input,
textarea {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(5, 6, 20, 0.8);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(92, 255, 218, 0.6);
  box-shadow: 0 0 0 3px rgba(92, 255, 218, 0.1);
}

textarea {
  resize: vertical;
}

.footer {
  padding: 60px 0 40px;
  background: rgba(5, 6, 20, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 36px;
}

.footer-grid p,
.footer-grid ul {
  color: var(--color-muted);
}

.footer-grid ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  align-items: center;
}

.subscribe-form input {
  flex: 1;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(61, 123, 255, 0.8);
  color: #050614;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(61, 123, 255, 0.35);
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  transform: translateY(-4px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Responsive */
@media (max-width: 1100px) {
  .hero-content {
    gap: 48px;
  }

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

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

  .security-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .article-layout {
    grid-template-columns: 1fr 280px;
    gap: 32px;
  }
}

@media (max-width: 960px) {
  .flex-between {
    align-items: center;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    background: rgba(5, 6, 20, 0.96);
    display: none;
    padding: 100px 24px 40px;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 24px;
    font-size: 1.1rem;
  }

  .nav-actions {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-cta {
    align-items: center;
  }

  .hero-meta {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .hero-visual {
    order: -1;
  }

  .tournament-cards {
    width: 100%;
  }

  .training,
  .security,
  .faq,
  .contact {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-sidebar {
    position: static;
    max-height: none;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 80px 0;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .feature-card,
  .download-card,
  .testimonial,
  .contact-card,
  .contact-form {
    padding: 24px;
  }

  .hero {
    padding: 120px 0 90px;
  }

  .badge {
    justify-content: center;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-meta {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: space-between;
    gap: 12px;
  }
  .hero-meta .stat {
    flex: 1 1 0;
  }

  .main-nav {
    padding-top: 80px;
  }

  .subscribe-form {
    flex-direction: column;
  }
}

@media (max-width: 540px) {
  .top-bar .container {
    gap: 16px;
    padding: 10px 0;
  }

  .logo-img {
    height: 40px;
    width: auto;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .hero-meta {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

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

  .back-to-top {
    right: 18px;
    bottom: 24px;
  }
}