/* Walltrade Football Coin - styles
   Direction artistique : noir profond, cartes anthracite, accent orange cuivre,
   degrades « coucher de soleil » (or -> orange -> orange brule), typographie Manrope. */
:root {
  --bg: #0a0a0a;
  --bg-alt: #0e0e0e;
  --surface: #161616;
  --surface-2: #1c1c1c;
  --border: #262626;
  --border-strong: #353535;
  --text: #f5f5f5;
  --muted: #8f8f8f;
  --accent: #e8743b;          /* orange principal */
  --accent-strong: #d4581f;   /* survol / pressé */
  --accent-light: #ffb36b;
  --gold: #f5a524;
  --accent-text: #ffffff;
  --btn-bg: linear-gradient(180deg, #d9602a 0%, #bf4816 100%);        /* texte blanc lisible */
  --btn-bg-hover: linear-gradient(180deg, #e46a31 0%, #c94f1a 100%);
  --warning: #f5a524;
  --gradient-sunset: linear-gradient(135deg, #ffb36b 0%, #e8743b 45%, #b4441a 100%);
  --glow: rgba(232, 116, 59, .22);
  /* Graphique tokenomics : orange, or, blanc, gris (comme les références) */
  --c1: #e8743b;
  --c2: #f5a524;
  --c3: #f2f2f2;
  --c4: #9a9a9a;
  --c5: #5c5c5c;
  --c6: #b4441a;
  --radius: 20px;
  --radius-sm: 12px;
  --maxw: 1140px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; font-weight: 500; letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -.01em; }
.hl { color: var(--accent); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 840px; }
.center { text-align: center; }

/* Carte de base (reprise des références : anthracite, bord fin, grand arrondi) */
.facts li, .alloc li, .specs div, .roadmap > li, .card, .address-box, .steps li, .faq details {
  background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text); text-decoration: none; }
.brand-mark { width: 40px; height: 34px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 1.05rem; font-weight: 800; letter-spacing: .03em; }
.brand-text small { font-size: .6rem; font-weight: 700; letter-spacing: .34em; color: var(--accent); }
.menu { display: flex; gap: 26px; align-items: center; }
.menu a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; transition: color .15s ease; }
.menu a:hover { color: var(--text); }
.menu a.menu-site {
  color: var(--accent-text); background: var(--btn-bg); padding: 8px 14px; border-radius: 10px; font-weight: 700;
}
.menu a.menu-site:hover { background: var(--btn-bg-hover); }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 10px; font-size: 1.2rem; padding: 4px 10px; cursor: pointer; }

@media (max-width: 980px) {
  .brand-text strong { font-size: .95rem; }
  .menu-toggle { display: block; }
  .menu {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--border);
  }
  .menu.open { display: flex; }
  .menu a { padding: 14px 16px; border-top: 1px solid var(--border); }
  .menu a.menu-site { border-radius: 0; }
}

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.btn-primary { background: var(--btn-bg); color: var(--accent-text); font-weight: 700; box-shadow: 0 10px 30px -10px var(--glow), inset 0 1px 0 rgba(255, 255, 255, .18); }
.btn-primary:hover { background: var(--btn-bg-hover); box-shadow: 0 14px 36px -10px rgba(232, 116, 59, .45); }
.btn-ghost { background: rgba(255, 255, 255, .02); border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-small { padding: 9px 16px; font-size: .9rem; background: var(--surface-2); border-color: var(--border); color: var(--text); border-radius: 10px; }

/* Hero : quadrillage discret + halo orange (références) */
.hero { position: relative; overflow: hidden; padding: 104px 0 80px; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; z-index: -1; width: 760px; height: 760px; right: -180px; top: -120px;
  background: radial-gradient(circle, rgba(232, 116, 59, .30) 0%, rgba(180, 68, 26, .12) 40%, transparent 70%);
  filter: blur(10px);
}
.hero-inner { display: grid; grid-template-columns: 1.35fr .65fr; gap: 32px; align-items: center; }
.hero-mark {
  width: 100%; height: auto; max-width: 360px; justify-self: end; border-radius: 50%;
  filter: drop-shadow(0 30px 60px rgba(232, 116, 59, .35));
}
.hero-inner .facts { grid-column: 1 / -1; }
@media (max-width: 760px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-mark { order: -1; max-width: 130px; justify-self: start; }
  .hero::after { width: 420px; height: 420px; right: -160px; top: -80px; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .14em; font-size: .74rem;
  margin: 0 0 18px; padding: 6px 12px; border: 1px solid rgba(232, 116, 59, .35); border-radius: 999px;
  background: rgba(232, 116, 59, .08);
}
.hero h1 { font-size: clamp(2.3rem, 5.6vw, 4rem); letter-spacing: -.035em; max-width: 15ch; text-wrap: balance; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 600px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.cta.center { justify-content: center; }
.facts { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.facts li { padding: 18px; }
.facts strong { display: block; font-size: 1.3rem; font-weight: 600; letter-spacing: -.02em; }
.facts span { color: var(--muted); font-size: .9rem; }
@media (max-width: 760px) { .facts { grid-template-columns: repeat(2, 1fr); } .facts strong { font-size: 1.05rem; } .hero { padding: 40px 0 52px; } }

/* Sections */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid #141414; border-bottom: 1px solid #141414; }
.section-lead { color: var(--muted); max-width: 640px; margin: 0 0 40px; }
.center .section-lead { margin-left: auto; margin-right: auto; }
@media (max-width: 760px) { .section { padding: 64px 0; } }

/* Tokenomics */
.tokenomics { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: center; }
.donut {
  width: 290px; aspect-ratio: 1; border-radius: 50%; margin: 0 auto; position: relative;
  background: conic-gradient(
    var(--c1) 0 35%, var(--c2) 35% 55%, var(--c3) 55% 75%,
    var(--c4) 75% 90%, var(--c5) 90% 100%);
  box-shadow: 0 30px 80px -30px var(--glow);
}
.donut::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06); }
.donut-center {
  position: absolute; inset: 20%; border-radius: 50%; background: radial-gradient(circle at 35% 25%, #222 0%, #121212 60%, #0a0a0a 100%);
  display: grid; place-content: center; text-align: center; border: 1px solid var(--border);
}
.donut-center strong { font-size: 1.9rem; font-weight: 600; letter-spacing: -.02em; }
.donut-center span { color: var(--muted); }
.alloc { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.alloc li { display: grid; grid-template-columns: 14px 1fr auto; column-gap: 12px; align-items: center; border-radius: 14px; padding: 13px 16px; }
.alloc i { width: 12px; height: 12px; border-radius: 4px; background: var(--c); }
.alloc b { font-size: 1.05rem; font-weight: 600; }
.alloc small { grid-column: 2 / 4; color: var(--muted); }
.specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 40px 0 0; }
.specs div { border-radius: 14px; padding: 14px 16px; min-width: 0; }
.specs dt { color: var(--muted); font-size: .82rem; }
.specs dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
@media (max-width: 760px) {
  .tokenomics { grid-template-columns: 1fr; gap: 32px; }
  .donut { width: 230px; }
  .specs { grid-template-columns: repeat(2, 1fr); }
}

/* Roadmap */
.roadmap { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.roadmap > li { padding: 22px; position: relative; overflow: hidden; }
.roadmap > li::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--gradient-sunset); opacity: .9;
}
.phase {
  display: inline-block; color: var(--accent); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  padding: 4px 10px; border-radius: 999px; background: rgba(232, 116, 59, .1); border: 1px solid rgba(232, 116, 59, .25);
}
.roadmap h3 { margin-top: 12px; }
.roadmap ul { padding-left: 18px; margin: 0; color: var(--muted); font-size: .94rem; }
.roadmap ul li + li { margin-top: 6px; }
.roadmap ul li::marker { color: var(--accent); }
@media (max-width: 960px) { .roadmap { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .roadmap { grid-template-columns: 1fr; } }

/* Cartes */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 36px; text-align: left; }
.card { padding: 24px; position: relative; overflow: hidden; }
.card::after {
  content: ""; position: absolute; width: 180px; height: 180px; right: -60px; bottom: -80px;
  background: radial-gradient(circle, rgba(232, 116, 59, .22), transparent 70%);
}
.card p { margin: 0; color: var(--muted); }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }

/* Acheter */
.address-box { padding: 22px; margin-bottom: 32px; border-color: rgba(232, 116, 59, .3); }
.address-box .label { display: block; color: var(--muted); font-size: .85rem; margin-bottom: 6px; }
.address-box code { display: block; font-size: 1rem; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.address-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 8px; }
.warning { color: var(--warning); font-size: .9rem; margin: 8px 0 0; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; }
.steps li { counter-increment: step; padding: 22px; }
.steps li::before {
  content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  background: var(--btn-bg); color: #fff; font-weight: 700; margin-bottom: 14px;
  box-shadow: 0 8px 20px -8px var(--glow);
}
.steps p { margin: 0; color: var(--muted); font-size: .94rem; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.status { text-align: center; color: var(--muted); min-height: 1.6em; margin: 0; }

/* Communaute */
.socials { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 24px; }
.social {
  padding: 12px 20px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface);
  color: var(--text); text-decoration: none; font-weight: 600;
}
.social:hover { border-color: var(--accent); }
.social[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.social.social-site { background: var(--btn-bg); border-color: #c94f1a; color: var(--accent-text); font-weight: 700; }
.social.social-site:hover { background: var(--btn-bg-hover); }
.note { color: var(--muted); font-size: .9rem; }

/* FAQ */
.faq { display: grid; gap: 10px; margin-top: 32px; }
.faq details { border-radius: 16px; padding: 0 20px; }
.faq details[open] { border-color: rgba(232, 116, 59, .35); }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 18px; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 44px 0; color: var(--muted); font-size: .92rem; }
.footer strong { color: var(--text); }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--accent); }
.disclaimer { max-width: 760px; }
.small { font-size: .85rem; }

/* Pages de contenu (whitepaper, mentions legales) */
.doc { padding: 56px 0 88px; }
.doc .container { max-width: 840px; }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--surface-2); }
.doc pre { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; overflow-x: auto; }
.doc code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
.doc blockquote { margin: 16px 0; padding: 10px 18px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--muted); }
.doc h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.doc h2 { margin-top: 2em; font-size: 1.55rem; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.doc strong { color: #fff; }