/* ==========================================================================
   AVEN — Base : tokens, typo, boutons, loader, curseur, nav
   Direction : cinématographique & épurée (vidéo plein écran, verre, Outfit)
   ========================================================================== */
:root {
  --bg: #07070b;
  --bg-2: #0d0d14;
  --bg-3: #151520;
  --text: #e8e8f0;
  --muted: #9a9aab;
  --red: #e84e4f;
  --red-dark: #a73839;
  --pink: #ff4f8b;
  --orange: #ff9a3d;
  --line: rgba(232, 232, 240, .1);
  --glass: rgba(255, 255, 255, .045);
  --glass-border: rgba(255, 255, 255, .09);

  --grad: linear-gradient(90deg, var(--red) 0%, var(--pink) 60%, var(--orange) 100%);

  --f-sans: "Outfit", system-ui, sans-serif;
  --f-jp: "Zen Kaku Gothic New", "Outfit", sans-serif;

  --text-base: clamp(1rem, .96rem + .2vw, 1.125rem);
  --text-h2: clamp(2.4rem, 1.2rem + 4.6vw, 6rem);

  --gutter: clamp(20px, 4.4vw, 76px);
  --space-section: clamp(6rem, 4rem + 7vw, 11rem);
  --radius: 20px;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.is-loading { overflow: hidden; }
main, .footer { overflow-x: clip; }

a { color: inherit; text-decoration: none; }
img, video, canvas, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 4px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Typo ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .8rem;
  font-size: .82rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--muted);
}
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 3px; background: var(--grad); }

.h2 {
  font-weight: 800; font-size: var(--text-h2); line-height: .98; letter-spacing: -.025em; text-transform: uppercase;
}
.accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.section-head { padding: 0 var(--gutter); display: grid; gap: 1.2rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.section-head--center { justify-items: center; text-align: center; }
.section-head--row { grid-template-columns: 1fr minmax(0, 360px); align-items: end; gap: 2rem; }
.section-head--row > div { display: grid; gap: 1.2rem; }
.section-head__aside { color: var(--muted); }
@media (max-width: 860px) { .section-head--row { grid-template-columns: 1fr; } }

/* ---------- Verre ---------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}

/* ---------- Boutons (bordure épaisse translucide) ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7em 1.4em; border-radius: 12px;
  font-weight: 500; font-size: .95rem; color: var(--text);
  background: rgba(232, 78, 79, .5);
  border: 4px solid rgba(167, 56, 57, .6);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  overflow: hidden; isolation: isolate;
  transition: background .3s, border-color .3s, box-shadow .3s, scale .2s;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .28) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .8s var(--ease-out);
}
.btn:hover { background: rgba(232, 78, 79, .78); border-color: rgba(167, 56, 57, .9); box-shadow: 0 10px 40px -10px rgba(232, 78, 79, .7); }
.btn:hover::before { transform: translateX(120%); }
.btn:active { scale: .96; }
.btn span { position: relative; }
.btn--glass { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .12); }
.btn--glass:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .22); box-shadow: 0 10px 40px -12px rgba(255, 255, 255, .35); }
.btn--small { padding: .45em 1.1em; font-size: .92rem; }
.btn--xl { padding: .85em 1.8em; font-size: clamp(1rem, .95rem + .3vw, 1.15rem); }

/* ---------- Loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 100; background: var(--bg);
  display: grid; place-items: center; align-content: center; gap: 1.6rem;
}
.loader__logo { width: min(320px, 60vw); fill: var(--text); clip-path: inset(0 100% 0 0); }
.loader__line { width: min(240px, 50vw); height: 3px; border-radius: 3px; background: var(--line); overflow: hidden; }
.loader__line span { display: block; height: 100%; background: var(--grad); transform-origin: left; transform: scaleX(0); }
.loader__count { font-size: .8rem; font-weight: 500; letter-spacing: .3em; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- Trame quadrillée (façon écran) ---------- */
.grid-overlay {
  position: fixed; inset: 0; z-index: 85; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgba(255, 255, 255, .022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .022) 1px, transparent 1px);
  background-size: 4px 4px;
}

.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80; }
.progress span { display: block; height: 100%; background: var(--grad); transform-origin: left; transform: scaleX(0); }

/* ---------- Curseur ---------- */
.cursor { position: fixed; inset: 0; z-index: 99; pointer-events: none; }
.cursor span { position: absolute; top: 0; left: 0; border-radius: 50%; translate: -50% -50%; }
.cursor__dot { width: 6px; height: 6px; background: var(--text); }
.cursor__ring {
  width: 36px; height: 36px; border: 1.5px solid rgba(232, 232, 240, .45);
  transition: width .35s var(--ease-out), height .35s var(--ease-out), border-color .35s, background .35s;
}
.cursor.is-hover .cursor__ring { width: 64px; height: 64px; border-color: var(--red); background: rgba(232, 78, 79, .12); }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 70;
  display: flex; align-items: center; gap: 3.6rem;
  padding: 1.75rem var(--gutter);
  transition: transform .5s var(--ease-out), background .3s, padding .3s;
}
.nav.is-scrolled { background: rgba(7, 7, 11, .6); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); padding-block: 1rem; border-bottom: 1px solid var(--line); }
.nav.is-hidden { transform: translateY(-110%); }
.nav__brand { display: inline-flex; align-items: center; gap: .7rem; }
.nav__logo { height: 24px; width: auto; fill: var(--text); }
.nav__badge { font-size: .68rem; font-weight: 700; letter-spacing: .08em; padding: .2em .55em; border-radius: 6px; background: rgba(255, 255, 255, .16); }
.nav__links { display: flex; gap: 3.2rem; }
.nav__links a { font-size: .94rem; font-weight: 500; text-transform: uppercase; transition: opacity .2s; }
.nav__links a:hover { opacity: .6; }
.nav > .btn { margin-left: auto; }
.nav__burger { display: none; margin-left: auto; width: 44px; height: 44px; position: relative; }
.nav__burger span { position: absolute; left: 10px; right: 10px; height: 2px; border-radius: 2px; background: var(--text); transition: transform .4s var(--ease-out); }
.nav__burger span:first-child { top: 17px; } .nav__burger span:last-child { top: 25px; }
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.menu {
  position: fixed; inset: 0; z-index: 65;
  background: rgba(7, 7, 11, .82); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  display: flex; flex-direction: column; justify-content: center; gap: .3rem; padding: 0 var(--gutter);
  opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
}
.menu.is-open { opacity: 1; visibility: visible; }
.menu a { display: flex; align-items: baseline; gap: 1rem; font-weight: 800; font-size: clamp(2.2rem, 10vw, 3.4rem); line-height: 1.2; text-transform: uppercase; letter-spacing: -.02em; }
.menu a i { font-style: normal; font-size: .9rem; font-weight: 500; color: var(--red); }
.menu a:hover { opacity: .6; }

@media (max-width: 960px) {
  .nav__links, .nav > .btn { display: none; }
  .nav__burger { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .loader__logo { clip-path: none; }
}