:root {
  color-scheme: light;
  --ink: #0a2d50;
  --muted: #395c72;
  --blue: #075e91;
  --line: #a1d3e2;
  --white-glass: rgba(255, 255, 255, .84);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: #daf3f5;
  font-synthesis: none;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 260px;
  background:
    radial-gradient(ellipse at 12% 0%, #f7ffff 0%, transparent 48%),
    radial-gradient(ellipse at 90% 100%, #ddf4c9 0%, transparent 56%),
    linear-gradient(180deg, #baeafc, #e9f9fd 66%, #d9f0e8);
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid #075e91; outline-offset: 3px; }
button { font: inherit; }
h1, h2, h3, p { margin: 0; }
.frame { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip {
  position: absolute;
  z-index: 5;
  top: 8px;
  left: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  background: white;
  transform: translateY(-150%);
}
.skip:focus { transform: translateY(0); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #123c59;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.055em;
  white-space: nowrap;
}
.wordmark-light { color: #1a6987; }
.brand-orb, .small-orb {
  display: inline-block;
  flex: none;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 23%, white 0 6%, #b3faff 13%, #50d7f2 28%, #1686bc 62%, #115783 82%, #b8f5fc 100%);
  box-shadow: 0 1px 3px #387e9a80, inset 0 0 0 1px #ffffff8c;
}
.brand-orb { width: 33px; height: 33px; }
nav {
  display: flex;
  gap: 2px;
  padding: 4px;
  border: 1px solid #a6d9e9;
  border-radius: 40px;
  background: linear-gradient(#ffffffd9, #e1f7fc80);
  box-shadow: inset 0 1px 0 white, 0 2px 6px #2b729317;
}
nav a {
  padding: 8px 15px;
  border-radius: 30px;
  color: #214b66;
  font-size: 13px;
  font-weight: 700;
}
nav a:hover { background: #e4faff; }
.hero {
  display: flex;
  min-height: 510px;
  align-items: center;
  overflow: hidden;
  border: 1px solid #74b7d3;
  border-radius: 28px;
  background-color: #bdeaff;
  background-image:
    linear-gradient(90deg, #e8f9ffe8 0%, #e8f9ffcd 29%, #e8f9ff4a 56%, transparent 76%),
    url("aero-lake.webp");
  background-position: center, center 49%;
  background-size: cover;
  box-shadow: 0 16px 34px #277a9c2c, inset 0 0 0 2px #ffffff72;
}
.hero-copy { padding: 48px 0 48px 7%; max-width: 53%; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: #216487;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding: 7px 11px;
  border: 1px solid #ffffffde;
  border-radius: 30px;
  background: linear-gradient(#ffffffde, #d6f5fcbe);
  box-shadow: 0 2px 8px #5998b031;
}
.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 26%, #e8ffce, #80d83f 45%, #32862e);
}
h1 {
  font-family: "Segoe UI", "Trebuchet MS", system-ui, sans-serif;
  font-size: clamp(61px, 7.5vw, 106px);
  line-height: .86;
  font-weight: 800;
  letter-spacing: -.085em;
  color: #0a3055;
  text-shadow: 0 2px 0 #ffffffb0;
}
h1 span { display: block; }
.hero-description {
  max-width: 340px;
  margin-top: 24px;
  color: #1b4a66;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: fit-content;
  min-height: 43px;
  padding: 10px 16px;
  border: 1px solid;
  border-radius: 30px;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 800;
  box-shadow: inset 0 1px 0 #ffffffb5, 0 3px 8px #1c66832b;
  transition: transform .16s ease, filter .16s ease;
}
.button:hover { filter: brightness(1.05); transform: translateY(-2px); }
.button-primary {
  border-color: #146a9b;
  background: linear-gradient(#3bb3e0, #197eaf 48%, #08638f 50%, #126e9d);
  color: white;
  text-shadow: 0 1px 1px #003d64;
}
.button-glass { border-color: #9acadd; background: linear-gradient(white, #d8f4fa); color: #164b67; }
.play {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 2px;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
}
.main-grid {
  display: grid;
  grid-template-columns: 1.33fr 1fr;
  gap: 18px;
  margin-block: 22px 18px;
}
.panel {
  position: relative;
  min-width: 0;
  padding: 27px 29px 29px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: linear-gradient(160deg, #fffffff2, var(--white-glass) 70%, #e9f9fbc7);
  box-shadow: inset 0 1px 0 white, 0 6px 16px #24627d13;
  scroll-margin-top: 16px;
}
.small-orb { width: 11px; height: 11px; }
.small-orb.green, .small-orb.lime {
  background: radial-gradient(circle at 32% 21%, white, #bffbb7 16%, #65d888 38%, #1a9f6e 70%, #07584e);
}
.small-orb.lime {
  background: radial-gradient(circle at 32% 21%, white, #e8ffae 16%, #a4db52 38%, #599e2f 70%, #327238);
}
h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #133958;
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 800;
  letter-spacing: -.06em;
  line-height: 1.1;
}
.about > p {
  max-width: 63ch;
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.63;
}
.social-list { display: grid; gap: 8px; margin-top: 17px; }
.social-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 7px 11px;
  border: 1px solid #c5e3ec;
  border-radius: 12px;
  background: linear-gradient(white, #edf8fa);
  transition: background .16s ease, border-color .16s ease;
}
.social-link:hover { border-color: #86bed1; background: #e5f8fc; }
.social-link strong, .social-link small { display: block; }
.social-link strong { color: #193e5a; font-size: 14px; }
.social-link small { margin-top: 2px; color: var(--muted); font-size: 12px; }
.arrow {
  position: relative;
  display: inline-block;
  width: 9px;
  height: 9px;
  flex: none;
  color: #286682;
}
.arrow::before, .arrow::after { position: absolute; content: ""; }
.arrow::before {
  inset: 0 0 auto auto;
  width: 6px;
  height: 6px;
  border-top: 1px solid;
  border-right: 1px solid;
}
.arrow::after {
  top: 4px;
  right: -1px;
  width: 11px;
  border-top: 1px solid;
  transform: rotate(-45deg);
}
.arrow-up { transform: rotate(-45deg); }
.text-link { color: var(--blue); text-decoration: underline; text-underline-offset: .13em; }

.app-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 37px;
  height: 37px;
  flex: none;
  overflow: hidden;
  border: 1px solid #0003;
  border-radius: 10px;
  box-shadow: inset 0 1px 1px #ffffffc2, 0 2px 3px #2c57732b;
  color: white;
}
.youtube { background: linear-gradient(#ff8d8e, #e54e58 48%, #bf2035 50%, #d33d4e); }
.twitter { background: linear-gradient(#7facc4, #3a627f 48%, #243b58 50%, #2b536e); font-size: 21px; }
.topdeck { background: linear-gradient(#8cc1ff, #537dc7 48%, #324b9b 50%, #466cb6); }
.sponsors {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  align-items: center;
  gap: 22px;
  background: linear-gradient(110deg, #fafff1, #f6fdf5 60%, #eaf7e5);
  border-color: #b7d9b7;
}
.sponsor-list { display: grid; gap: 8px; min-width: 0; }
.sponsor-card {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  padding: 13px;
  border: 1px solid #cbe1c6;
  border-radius: 15px;
  background: linear-gradient(white, #eff8eb);
  box-shadow: inset 0 1px 0 white;
}
.sponsor-card .app-icon {
  width: 43px;
  height: 43px;
}
.duel { background: linear-gradient(#f6ffff, #d1edf4 48%, #b3dce9 50%, #d1edf4); }
.merlion { background: #c27b2b; }
.sponsor-copy { flex: 1; }
.sponsor-copy h3 { font-size: 17px; line-height: 1.2; }
.sponsor-copy p { margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.4; }
.sponsor-link { flex: none; }
.code {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px;
  margin-top: 6px;
  padding: 4px 7px;
  border: 1px solid #b6d4a8;
  border-radius: 5px;
  background: #e8f6df;
  color: #235b3b;
  font-size: 11px;
  line-height: 1.2;
}
button.code { cursor: pointer; }
button.code:hover { background: #d9edcd; }
.copy-icon {
  position: relative;
  width: 8px;
  height: 9px;
  margin-left: 4px;
  border: 1px solid currentColor;
  border-radius: 1px;
}
.copy-icon::before {
  position: absolute;
  top: -3px;
  left: -3px;
  width: 6px;
  height: 7px;
  border: 1px solid currentColor;
  border-right: 0;
  border-bottom: 0;
  border-radius: 1px;
  content: "";
}
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 21px 2px 28px;
  color: #3e6374;
  font-size: 12px;
  line-height: 1.45;
}
.site-footer div { display: flex; flex-wrap: wrap; gap: 17px; }
.site-footer a:hover { text-decoration: underline; }
@media (max-width: 850px) {
  .frame { width: calc(100% - 40px); }
  .hero { min-height: 450px; }
  .hero-copy { max-width: 62%; }
  .panel { padding: 23px; }
  .sponsors { grid-template-columns: 1fr 1.9fr; }
}
@media (max-width: 650px) {
  .frame { width: calc(100% - 28px); }
  .site-header { min-height: 69px; gap: 7px; }
  .wordmark { gap: 6px; font-size: 16px; }
  .brand-orb { width: 24px; height: 24px; }
  nav { padding: 3px; gap: 0; }
  nav a { padding: 7px 8px; font-size: 11px; }
  .hero {
    min-height: 500px;
    align-items: flex-end;
    border-radius: 20px;
    background-image:
      linear-gradient(0deg, #e5f9fff5 0%, #e4f8ffe8 31%, #e5f9ff8c 57%, transparent 78%),
      url("aero-lake.webp");
    background-position: center, 65% top;
  }
  .hero-copy { max-width: none; padding: 28px 22px 26px; }
  h1 { font-size: clamp(36px, 13vw, 72px); }
  .eyebrow { margin-bottom: 12px; }
  .hero-description { margin-top: 15px; font-size: 14px; }
  .hero-actions { margin-top: 16px; gap: 7px; }
  .button { min-height: 40px; padding-inline: 12px; font-size: 12px; }
  .main-grid { grid-template-columns: 1fr; gap: 12px; margin-block: 14px 12px; }
  .panel { padding: 20px; border-radius: 17px; }
  .sponsors { grid-template-columns: 1fr; gap: 13px; }
}
@media (max-width: 440px) {
  .sponsor-card { display: grid; grid-template-columns: auto 1fr; row-gap: 8px; }
  .sponsor-link { grid-column: 2; justify-self: start; }
}
@media (max-width: 350px) {
  .wordmark { font-size: 13px; }
  nav a { padding-inline: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
