/* ==========================================================
   MH BMX — Mathéo Hoarau — Design tokens
   ========================================================== */
:root{
  --bg: #0b0b12;
  --bg-alt: #101018;
  --surface: #161620;
  --surface-2: #1c1c28;
  --border: rgba(255,255,255,0.08);
  --text: #f4f4f7;
  --text-dim: #a8a8b8;
  --text-faint: #6f6f82;

  --purple: #8b5cf6;
  --purple-dark: #6d28d9;
  --lime: #d7ff3d;
  --lime-dim: #b8e02f;

  --font-display: "Anton", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
  --ease: cubic-bezier(.16,.84,.44,1);
}

/* Light-mode aware base (dark-first design; keep committed dark aesthetic per brand) */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family: var(--font-display); font-weight:400; letter-spacing:0.01em; line-height:1.05; margin:0 0 1rem; }
p{ margin:0 0 1rem; color: var(--text-dim); }
.container{
  width:100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-inline: 24px;
}

/* Scroll progress bar */
.progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background: linear-gradient(90deg, var(--purple), var(--lime));
  z-index: 999;
  transition: width 0.1s linear;
}

/* ---------------- Header ---------------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  padding: 18px 0;
  transition: background 0.3s var(--ease), padding 0.3s var(--ease), border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  background: rgba(11,11,18,0.85);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.brand{ display:flex; align-items:baseline; gap:8px; font-family: var(--font-display); }
.brand-number{ color: var(--lime); font-size: 1.35rem; }
.brand-name{ font-size: 1.1rem; letter-spacing: 0.06em; }
.nav{ display:flex; align-items:center; gap: 2rem; }
.nav a{ font-size: 0.92rem; font-weight:500; color: var(--text-dim); transition: color .2s; position:relative; }
.nav a:hover{ color: var(--text); }
.nav a:not(.nav-cta)::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background: var(--lime); transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav a:not(.nav-cta):hover::after{ transform: scaleX(1); }
.nav-cta{
  background: var(--lime); color: #0b0b12 !important; font-weight:700;
  padding: 9px 18px; border-radius: 100px; transition: transform .2s var(--ease), box-shadow .2s;
}
.nav-cta:hover{ transform: translateY(-2px); box-shadow: 0 10px 24px -6px rgba(215,255,61,0.45); }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ width:24px; height:2px; background: var(--text); transition: transform .3s var(--ease), opacity .3s; }

/* ---------------- Hero ---------------- */
.hero{ position:relative; min-height: 100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero-media{ position:absolute; inset:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; object-position: 60% 30%; transform: scale(1.06); }
.hero-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(11,11,18,0.35) 0%, rgba(11,11,18,0.55) 45%, rgba(11,11,18,0.96) 92%),
    linear-gradient(100deg, rgba(11,11,18,0.55) 10%, rgba(11,11,18,0.05) 55%);
}
.hero-content{ position:relative; z-index:2; padding-bottom: 6.5rem; padding-top: 8rem; }
.eyebrow{
  display:inline-block; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem;
  font-weight:700; color: var(--lime); margin-bottom: 1rem;
}
.eyebrow.center{ display:block; text-align:center; }
.hero h1{
  font-size: clamp(3rem, 9vw, 6.5rem);
  color: #fff;
  margin-bottom: 1.1rem;
  text-shadow: 0 10px 40px rgba(0,0,0,0.35);
}
.hero-sub{ max-width: 620px; font-size: 1.15rem; color: #d8d8e4; }
.hero-sub strong{ color: var(--lime); }
.hero-actions{ display:flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.hero-scroll{ display:flex; align-items:center; gap:10px; margin-top: 3.5rem; color: var(--text-faint); font-size:0.8rem; letter-spacing:0.08em; text-transform:uppercase; }
.scroll-line{ width:1px; height:40px; background: rgba(255,255,255,0.15); position:relative; overflow:hidden; }
.scroll-line i{ position:absolute; top:-40px; left:0; width:100%; height:40px; background: var(--lime); animation: scrollDown 1.8s infinite ease-in-out; }
@keyframes scrollDown{ 0%{ top:-40px; } 60%{ top:40px; } 100%{ top:40px; } }

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 15px 30px; border-radius: 100px; font-weight:700; font-size: 0.95rem;
  transition: transform .25s var(--ease), box-shadow .25s, background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn-primary{ background: var(--lime); color:#0b0b12; }
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 16px 32px -10px rgba(215,255,61,0.5); }
.btn-ghost{ background: rgba(255,255,255,0.06); color:#fff; border:1px solid rgba(255,255,255,0.2); backdrop-filter: blur(6px); }
.btn-ghost:hover{ background: rgba(255,255,255,0.14); transform: translateY(-3px); }
.btn-outline{ background:transparent; color: var(--text); border:1px solid var(--border); }
.btn-outline:hover{ border-color: var(--lime); color: var(--lime); }

/* ---------------- Sections ---------------- */
.section{ padding: 7rem 0; position:relative; }
.section-alt{ background: var(--bg-alt); }
.center{ text-align:center; }
.section h2{
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  color:#fff;
}
.section h2.center{ margin-left:auto; margin-right:auto; }
.lead{ max-width: 680px; margin: 0 auto 3.5rem; font-size: 1.05rem; }
.lead.center{ text-align:center; }

/* Split layout */
.split{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 4.5rem; align-items:center; }
.split-reverse{ grid-template-columns: 1.15fr 0.85fr; }
.split-reverse .split-text:first-child{ order:1; }
.split-media{ position:relative; }
.split-media img{ border-radius: var(--radius-lg); box-shadow: var(--shadow); width:100%; aspect-ratio: 4/5; object-fit:cover; }
.media-badge{
  position:absolute; bottom:-22px; right:-22px; background: var(--lime); color:#0b0b12;
  width:96px; height:96px; border-radius: 50%; display:flex; flex-direction:column; align-items:center; justify-content:center;
  box-shadow: 0 14px 30px -8px rgba(215,255,61,0.55); border: 6px solid var(--bg);
}
.badge-num{ font-family: var(--font-display); font-size: 1.7rem; line-height:1; }
.badge-txt{ font-size: 0.7rem; text-transform:uppercase; letter-spacing:0.06em; font-weight:700; }
.split-text h2{ margin-bottom: 1.25rem; }
.social-row{ display:flex; flex-wrap:wrap; gap: 1.25rem; margin-top: 1.5rem; }
.social-row a{ font-size:0.88rem; font-weight:600; color: var(--purple); border-bottom: 1px solid transparent; transition: border-color .2s, color .2s; }
.social-row a:hover{ color: var(--lime); border-color: var(--lime); }

/* Cards */
.cards{ display:grid; gap: 1.75rem; margin-top: 1rem; }
.cards-3{ grid-template-columns: repeat(3, 1fr); }
.cards-4{ grid-template-columns: repeat(4, 1fr); }
.card{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 2.2rem 1.9rem; transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.card:hover{ transform: translateY(-6px); border-color: rgba(139,92,246,0.5); background: var(--surface-2); }
.card h3{ font-size: 1.25rem; color:#fff; margin-bottom: 0.6rem; }
.card p{ font-size: 0.94rem; margin-bottom:0; }
.card-index{ display:block; font-family: var(--font-display); font-size: 2.4rem; color: var(--purple); opacity: 0.55; margin-bottom: 0.75rem; }

.card-icon{ text-align:left; }
.icon{ width: 46px; height:46px; border-radius: 12px; margin-bottom: 1.25rem; position:relative; background: linear-gradient(135deg, var(--purple), var(--purple-dark)); }
.icon::after{ content:""; position:absolute; inset:0; margin:auto; width:20px; height:20px; background: var(--lime); }
.icon-visibility::after{ clip-path: polygon(0% 100%, 40% 20%, 60% 55%, 80% 0%, 100% 20%, 100% 100%); }
.icon-values::after{ border-radius:50%; width:16px; height:16px; }
.icon-transparency::after{ clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); }
.icon-custom::after{ clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%); }

/* Budget table */
.table-wrap{ overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.budget-table{ width:100%; border-collapse: collapse; min-width: 620px; }
.budget-table th, .budget-table td{ padding: 1.1rem 1.4rem; text-align:left; }
.budget-table thead th{
  background: var(--surface-2); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--text-faint); font-weight:700; border-bottom: 1px solid var(--border);
}
.budget-table tbody td{ border-bottom: 1px solid var(--border); font-size: 0.92rem; color: var(--text-dim); }
.budget-table tbody tr:last-child td{ border-bottom:none; }
.budget-table tbody tr td:first-child{ color:#fff; font-weight:600; }
.budget-table tfoot td{ padding: 1.3rem 1.4rem; font-family: var(--font-display); font-size:1.1rem; color:#fff; background: rgba(139,92,246,0.14); border-top: 2px solid var(--purple); }
.num{ text-align:right; font-variant-numeric: tabular-nums; white-space:nowrap; }
.budget-table tfoot .num{ color: var(--lime); font-size: 1.5rem; }

/* Fiscal cards */
.fiscal-card{ text-align:center; }
.fiscal-amount{ font-family: var(--font-display); font-size: 2.2rem; color:#fff; margin-bottom:0; }
.fiscal-detail{ font-size:0.82rem; color: var(--text-faint); margin-bottom: 0.5rem; }
.fiscal-divider{ width: 36px; height:2px; background: var(--purple); margin: 1rem auto; }
.fiscal-real{ font-family: var(--font-display); font-size: 2.6rem; color: var(--lime); margin-bottom:0; }
.fiscal-highlight{ border-color: var(--lime); background: linear-gradient(160deg, rgba(215,255,61,0.08), var(--surface) 60%); transform: scale(1.04); }

/* Quote */
.quote-block{ display:flex; align-items:center; }
.quote-block blockquote{
  margin:0; font-family: var(--font-display); font-size: 1.6rem; line-height:1.3; color:#fff;
  border-left: 3px solid var(--lime); padding-left: 1.5rem;
}
.check-list li{ position:relative; padding-left: 2rem; margin-bottom: 1rem; color: var(--text-dim); font-size:0.96rem; }
.check-list li::before{
  content:"✓"; position:absolute; left:0; top:0; width:1.4rem; height:1.4rem; border-radius:50%;
  background: rgba(215,255,61,0.15); color: var(--lime); font-size:0.75rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}

/* Donate section */
.section-donate{
  background: radial-gradient(ellipse at 20% 20%, rgba(139,92,246,0.25), transparent 55%), var(--bg-alt);
}
.donate-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items:start; }
.donate-widget{ background: #fff; border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--shadow); display:flex; justify-content:center; }
.donate-widget iframe{ min-height: 420px; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
.contact-item{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius); padding: 1.6rem;
  display:flex; flex-direction:column; gap: 0.4rem; transition: border-color .25s, transform .25s;
}
a.contact-item:hover{ border-color: var(--lime); transform: translateY(-4px); }
.contact-label{ font-size: 0.72rem; text-transform:uppercase; letter-spacing:0.1em; color: var(--text-faint); font-weight:700; }
.contact-value{ font-size: 1.02rem; color:#fff; font-weight:600; }

/* Footer */
.site-footer{ background: #08080d; border-top: 1px solid var(--border); padding: 3.5rem 0 2.5rem; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; text-align:center; gap: 1rem; }
.footer-brand{ display:flex; gap:8px; align-items:baseline; font-family: var(--font-display); }
.footer-text{ max-width: 480px; font-size: 0.88rem; }
.footer-social{ display:flex; gap: 1.5rem; }
.footer-social a{ font-size: 0.85rem; font-weight:600; color: var(--text-dim); transition: color .2s; }
.footer-social a:hover{ color: var(--lime); }
.footer-copy{ font-size: 0.78rem; color: var(--text-faint); margin-top: 1rem; margin-bottom:0; }

/* Floating CTA (mobile) */
.floating-cta{
  position: fixed; bottom: 22px; right: 22px; z-index: 400;
  background: var(--lime); color:#0b0b12; font-weight:700; font-size:0.85rem;
  padding: 14px 22px; border-radius: 100px; box-shadow: 0 14px 30px -8px rgba(215,255,61,0.55);
  opacity:0; transform: translateY(20px); pointer-events:none; transition: opacity .3s, transform .3s;
}
.floating-cta.visible{ opacity:1; transform: translateY(0); pointer-events:auto; }

/* Reveal animation — visible by default; only hidden-then-animated when JS confirms it can reveal them */
.reveal{ opacity:1; transform:none; transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal{ opacity:0; transform: translateY(24px); }
html.js .reveal.is-visible{ opacity:1; transform: translateY(0); }

/* Hero entrance — pure CSS, runs on load regardless of JS/scroll so above-the-fold content is never delayed */
.hero-in{ opacity:0; animation: heroIn .8s var(--ease) forwards; }
@keyframes heroIn{ from{ opacity:0; transform: translateY(18px); } to{ opacity:1; transform:none; } }
@media (prefers-reduced-motion: reduce){
  .hero-in{ opacity:1; animation:none; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .split, .split-reverse{ grid-template-columns: 1fr; gap: 2.5rem; }
  .split-reverse .split-text:first-child{ order:0; }
  .cards-3, .cards-4{ grid-template-columns: repeat(2, 1fr); }
  .donate-inner{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav{
    position:fixed; top: 0; right:0; height:100svh; width: min(78vw, 320px);
    background: var(--bg-alt); border-left:1px solid var(--border);
    flex-direction:column; align-items:flex-start; justify-content:center; gap: 1.75rem;
    padding: 2rem; transform: translateX(100%); transition: transform .35s var(--ease);
  }
  .nav.open{ transform: translateX(0); }
  .nav a{ font-size: 1.1rem; }
  .nav-cta{ margin-top: 0.5rem; }
  .nav-toggle{ display:flex; z-index: 600; }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .cards-3, .cards-4{ grid-template-columns: 1fr; }
  .hero-content{ padding-top: 6rem; padding-bottom: 4.5rem; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .fiscal-highlight{ transform:none; }
  .section{ padding: 4.5rem 0; }
  .media-badge{ width:76px; height:76px; bottom:-16px; right:-16px; }
}