:root {
  --bg: #f5f5f7;
  --ink: #111111;
  --muted: #6e6e73;
  --line: rgba(17, 17, 17, 0.12);
  --dark: #080a0d;
  --dark-soft: #14181f;
  --white: #ffffff;
  --green: #02ff79;
  --green-soft: rgba(2, 255, 121, 0.14);
  --blue: #67d8ff;
  --coral: #ff7a70;
  --radius-lg: 30px;
  --radius-md: 22px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

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

img {
  max-width: 100%;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: 58px;
  padding: 0 clamp(18px, 4vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(245, 245, 247, 0.78);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(24px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  color: rgba(17, 17, 17, 0.72);
  font-size: 13px;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 94vh;
  padding: 120px clamp(22px, 5vw, 72px) 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.72fr);
  align-items: center;
  gap: clamp(34px, 5vw, 82px);
  overflow: hidden;
  color: #fff;
  background: #050608;
}

.hero-media {
  position: absolute;
  inset: 0;
  opacity: 0.46;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.65) 44%, rgba(5, 6, 8, 0.24));
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content,
.hero-device {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 800;
}

.hero h1 {
  margin: 0;
  font-size: clamp(68px, 13vw, 168px);
  line-height: 0.92;
  font-weight: 900;
}

.hero-copy {
  max-width: 760px;
  margin: 30px 0 0;
  font-size: clamp(26px, 4.4vw, 58px);
  line-height: 1.08;
  font-weight: 800;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.primary-link,
.text-link {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
}

.primary-link {
  padding: 0 24px;
  background: var(--green);
  color: #04140d;
}

.text-link {
  color: var(--green);
}

.phone-frame {
  width: min(360px, 84vw);
  margin: 0 auto;
  padding: 14px;
  border-radius: 46px;
  background: linear-gradient(145deg, #2c3138, #050608 62%);
  box-shadow: var(--shadow);
}

.phone-screen {
  min-height: 680px;
  padding: 18px;
  border-radius: 36px;
  background: #101216;
  overflow: hidden;
}

.screen-hero {
  position: relative;
  height: 210px;
  border-radius: 26px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 22px;
}

.screen-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.68;
}

.screen-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.72));
}

.screen-hero div {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.screen-hero span,
.screen-card small {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 700;
}

.screen-hero strong {
  font-size: 26px;
}

.screen-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 18px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.46);
  font-weight: 800;
}

.screen-tabs .active {
  color: var(--green);
}

.screen-card {
  min-height: 132px;
  margin-top: 16px;
  padding: 22px;
  border-radius: 22px;
  background: #1b2028;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.screen-card.bright {
  background: linear-gradient(135deg, rgba(2, 255, 121, 0.2), rgba(103, 216, 255, 0.12)), #1b2028;
}

.screen-card strong {
  color: #fff;
  font-size: 22px;
}

.screen-card span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.section {
  padding: clamp(84px, 11vw, 150px) clamp(22px, 5vw, 72px);
}

.section-light {
  background: var(--bg);
}

.section-dark {
  background: var(--dark);
  color: #fff;
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  align-items: center;
  gap: clamp(36px, 7vw, 92px);
}

.split.reverse {
  grid-template-columns: minmax(320px, 1.05fr) minmax(0, 0.95fr);
}

.copy-block h2,
.centered h2 {
  margin: 0;
  font-size: clamp(40px, 6.4vw, 88px);
  line-height: 1.02;
  font-weight: 900;
}

.copy-block p:not(.eyebrow),
.center-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.5;
  font-weight: 700;
}

.section-dark .copy-block p:not(.eyebrow),
.section-dark .center-copy {
  color: rgba(255, 255, 255, 0.66);
}

.feature-visual,
.data-board {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.activity-visual {
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.visual-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.visual-topline span:last-child {
  color: #078c48;
}

.match-card-mini {
  position: relative;
  min-height: 290px;
  border-radius: 26px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  color: #fff;
}

.match-card-mini img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.match-card-mini::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.76));
}

.match-card-mini div {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.match-card-mini strong {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.match-card-mini span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
  font-weight: 700;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.metrics-row span {
  min-height: 108px;
  padding: 16px;
  border-radius: 20px;
  background: #f5f5f7;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.metrics-row strong {
  color: var(--ink);
  font-size: 38px;
  line-height: 1;
}

.centered {
  text-align: center;
}

.centered .center-copy {
  margin-left: auto;
  margin-right: auto;
}

.team-strip {
  margin: 58px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 18px;
}

.player-token {
  min-height: 210px;
  padding: 24px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.09);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.player-token img {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.08);
}

.player-token span {
  font-size: 18px;
  font-weight: 900;
}

.copy-block.narrow {
  max-width: 850px;
}

.event-flow {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.flow-step {
  min-height: 290px;
  padding: 28px;
  border-radius: 26px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.flow-step.active {
  background: #101216;
  color: #fff;
}

.flow-step span {
  color: var(--green);
  font-size: 15px;
  font-weight: 900;
}

.flow-step strong {
  margin-top: auto;
  font-size: 28px;
  line-height: 1.1;
}

.flow-step p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  font-weight: 700;
}

.flow-step.active p {
  color: rgba(255, 255, 255, 0.66);
}

.data-board {
  padding: 24px;
  background: linear-gradient(145deg, rgba(2, 255, 121, 0.14), rgba(103, 216, 255, 0.08)), var(--dark-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.board-row {
  display: grid;
  grid-template-columns: minmax(100px, 1.5fr) repeat(3, 0.7fr);
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.board-row:last-child {
  border-bottom: 0;
}

.board-row.head {
  min-height: 52px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 13px;
}

.board-row strong,
.board-row em {
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1;
  font-style: normal;
  color: #fff;
}

.board-row em {
  color: var(--green);
}

.finale {
  min-height: 78vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 50% 0%, rgba(2, 255, 121, 0.18), transparent 42%), #050608;
  color: #fff;
}

.final-logo {
  width: 86px;
  margin-bottom: 34px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

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

  .hero {
    padding-top: 104px;
  }

  .hero-device {
    order: 2;
  }

  .phone-screen {
    min-height: 600px;
  }

  .team-strip,
  .event-flow {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .site-nav {
    height: 54px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: clamp(58px, 18vw, 92px);
  }

  .hero-copy {
    font-size: clamp(28px, 9vw, 44px);
  }

  .section {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .team-strip,
  .event-flow,
  .metrics-row {
    grid-template-columns: 1fr;
  }

  .flow-step,
  .player-token {
    min-height: 190px;
  }

  .phone-frame {
    width: min(330px, 100%);
  }

  .phone-screen {
    min-height: 560px;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
.platform-section {
  padding-top: clamp(72px, 9vw, 120px);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.platform-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  text-align: left;
}

.platform-card {
  min-height: 300px;
  padding: 28px;
  border-radius: 28px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.platform-card.dark {
  background: #101216;
  color: #ffffff;
}

.platform-card.green {
  background: linear-gradient(145deg, rgba(2, 255, 121, 0.2), rgba(103, 216, 255, 0.12)), #ffffff;
}

.platform-card span {
  color: var(--green);
  font-size: 15px;
  font-weight: 900;
}

.platform-card.green span {
  color: #087341;
}

.platform-card strong {
  margin-top: auto;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.08;
  font-weight: 900;
}

.platform-card p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
}

.platform-card.dark p {
  color: rgba(255, 255, 255, 0.64);
}

@media (max-width: 900px) {
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .platform-card {
    min-height: 220px;
  }
}