:root {
  /* Charte web CCI */
  --cci-blue-light: #6877FF;
  --cci-blue: #373CF5;
  --cci-blue-dark: #0000CC;
  --cci-blue-deep: #000099;
  --cci-cyan-light: #67C4E8;
  --cci-cyan: #00ABE0;
  --cci-cyan-dark: #007EA5;
  --cci-grey-100: #F2F2F2;
  --cci-grey-300: #CCCCCC;
  --cci-grey-700: #4D4D4D;
  --cci-grey-900: #222222;
  --white: #FFFFFF;
  --border: rgba(255,255,255,.23);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-width: 320px;
  font-family: "Fira Sans", Arial, Helvetica, sans-serif;
  color: var(--white);
  background: var(--cci-blue-deep);
}
a { color: inherit; }

.page-shell {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 95%, rgba(0,171,224,.52), transparent 31%),
    radial-gradient(circle at 91% 7%, rgba(104,119,255,.72), transparent 34%),
    linear-gradient(128deg, var(--cci-blue-deep) 0%, var(--cci-blue) 52%, var(--cci-blue-dark) 100%);
}
.hero { position: relative; padding: 72px 24px 56px; }
.content { position: relative; z-index: 2; width: min(1080px,100%); margin: 0 auto; text-align: center; }
.hero__accent { position: absolute; border-radius: 50%; filter: blur(85px); pointer-events: none; }
.hero__accent--left { width: 470px; height: 470px; left: -190px; bottom: -180px; background: var(--cci-cyan); opacity: .28; }
.hero__accent--right { width: 430px; height: 430px; right: -160px; top: -190px; background: var(--cci-blue-light); opacity: .28; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 12px 22px; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(0,0,153,.22); font-size: 13px; font-weight: 700; letter-spacing: 2px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cci-cyan-light); box-shadow: 0 0 15px var(--cci-cyan-light); }

h1 { max-width: 1000px; margin: 38px auto 24px; font-size: clamp(39px,5vw,65px); line-height: 1.06; letter-spacing: -1.8px; font-weight: 800; }
h1 span { color: var(--cci-cyan-light); }
.intro { margin: 0 auto; color: var(--cci-grey-100); font-size: clamp(17px,2vw,21px); line-height: 1.55; font-weight: 300; }
.intro strong { font-weight: 700; }

.opening-date { display: inline-block; margin-top: 38px; padding: 15px 27px; border: 1px solid rgba(103,196,232,.75); border-radius: 12px; background: rgba(0,171,224,.18); font-size: 17px; font-weight: 700; }
.countdown { display: flex; justify-content: center; gap: 14px; margin: 32px auto 52px; }
.time-card { display: flex; flex-direction: column; justify-content: center; width: 154px; height: 140px; border: 1px solid var(--border); border-radius: 18px; background: linear-gradient(145deg,rgba(104,119,255,.25),rgba(0,0,153,.29)); box-shadow: inset 0 1px rgba(255,255,255,.08), 0 14px 34px rgba(0,0,80,.13); }
.time-card strong { font-size: 50px; line-height: 1; font-weight: 800; }
.time-card span { margin-top: 17px; color: var(--cci-grey-100); font-size: 12px; letter-spacing: 1.6px; }

.feature-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; text-align: left; }
.feature-card { min-height: 205px; padding: 30px; border: 1px solid var(--border); border-radius: 22px; background: linear-gradient(130deg,rgba(55,60,245,.54),rgba(0,0,153,.70)); text-decoration: none; transition: .2s ease; }
.feature-card:hover, .feature-card:focus-visible { transform: translateY(-3px); border-color: var(--cci-cyan-light); background: linear-gradient(130deg,rgba(104,119,255,.58),rgba(0,0,204,.72)); outline: none; box-shadow: 0 16px 35px rgba(0,0,90,.21); }
.icon-box { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 13px; background: var(--cci-cyan); color: var(--white); }
.icon-box svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h2 { margin: 18px 0 8px; font-size: 21px; font-weight: 700; }
.feature-card p { margin: 0; max-width: 510px; color: var(--cci-grey-100); font-size: 16px; font-weight: 300; line-height: 1.65; }

.open-state { margin: 32px 0 52px; }
.open-state strong { display: block; margin-bottom: 18px; font-size: 22px; }
.primary-button { display: inline-block; padding: 15px 24px; border-radius: 12px; color: var(--cci-grey-900); background: var(--cci-cyan-light); text-decoration: none; font-weight: 800; }
.primary-button:hover, .primary-button:focus-visible { background: var(--white); outline: 3px solid rgba(103,196,232,.4); }

.footer { display: flex; justify-content: space-between; gap: 25px; width: min(1080px,calc(100% - 48px)); margin: 0 auto; padding: 25px 0 35px; border-top: 1px solid var(--border); color: var(--cci-grey-300); font-size: 13px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer a { color: var(--cci-grey-100); text-decoration: none; }
.footer a:hover, .footer a:focus-visible { color: var(--cci-cyan-light); }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media (max-width: 760px) {
  .hero { padding: 44px 18px 44px; }
  h1 { letter-spacing: -.8px; }
  .countdown { gap: 7px; }
  .time-card { width: 24%; height: 105px; }
  .time-card strong { font-size: clamp(28px,9vw,40px); }
  .time-card span { margin-top: 11px; font-size: 9px; letter-spacing: .7px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; width: calc(100% - 36px); }
}