/* RG PROTOTYPES — shared styles */

:root {
  --bg: #0a0a0b;
  --bg-1: #101015;
  --bg-2: #16161d;
  --bg-3: #1e1e26;
  --line: #26262f;
  --line-2: #34343f;
  --fg: #ededed;
  --fg-dim: #9a9aa3;
  --fg-mute: #5b5b66;
  --accent: #a8ff2e;
  --accent-dim: #6fa31a;
  --brand-blue: #2945ff;
  --warn: #ff7a3c;
  --radius: 2px;
  --maxw: 1400px;
  --pad: clamp(24px, 4vw, 56px);

  --ff-sans: "Inter", system-ui, sans-serif;
  --ff-display: "Space Grotesk", "Inter", sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--ff-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

::selection { background: var(--accent); color: #0a0a0b; }

/* ---------- subtle grain + grid background ---------- */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 0;
  mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
}

body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.06 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
  z-index: 0;
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- TYPE ---------- */
h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.h-display {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(48px, 9vw, 148px);
  line-height: 0.92;
  letter-spacing: -0.04em;
}
.h-1 {
  font-family: var(--ff-display);
  font-size: clamp(40px, 6vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.h-2 {
  font-family: var(--ff-display);
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
}
.h-3 {
  font-family: var(--ff-display);
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 500;
}

.mono {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  font-weight: 400;
}
.mono-sm { font-family: var(--ff-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }

.label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--accent);
}

.lead {
  font-size: clamp(16px, 1.2vw, 19px);
  color: var(--fg);
  max-width: 60ch;
  line-height: 1.55;
}

p { color: var(--fg-dim); }

/* ---------- LAYOUT ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section {
  padding: clamp(60px, 9vw, 140px) 0;
  position: relative;
}

.section-hd {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: end;
  padding-bottom: 40px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 720px) {
  .section-hd { grid-template-columns: 1fr; gap: 16px; }
}

.section-num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
}
.section-num b { color: var(--accent); font-weight: 400; }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 11, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  display: flex; align-items: center; gap: 14px;
}
.nav-brand .wm {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.nav-brand .sub {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  text-transform: uppercase;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-link {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding: 10px 14px;
  border: 1px solid transparent;
  transition: all .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.nav-link:hover { color: var(--fg); }
.nav-link[aria-current="page"] {
  color: var(--fg);
  border-color: var(--line);
  background: var(--bg-1);
}
.nav-link[aria-current="page"]::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.nav-cta {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 16px;
  background: var(--accent);
  color: #0a0a0b;
  font-weight: 500;
  transition: filter .2s;
}
.nav-cta:hover { filter: brightness(1.1); }

@media (max-width: 880px) {
  .nav-links .nav-link { padding: 8px 10px; font-size: 10px; }
  .nav-brand .sub { display: none; }
  .nav-cta { display: none; }
}

/* ---------- MOBILE NAV (hamburger + drawer) ----------
   Pure-CSS toggle — works even when JS is disabled or stale-cached.
   #nav-toggle-input (hidden checkbox) is a sibling of .nav and .nav-drawer at <body> level.
*/
.nav-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
}

.nav-toggle {
  display: none; /* shown only on mobile */
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
  cursor: pointer;
  width: 40px;
  height: 40px;
  padding: 0;
  position: relative;
  flex-shrink: 0;
  transition: border-color .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.nav-toggle:hover { border-color: var(--fg-mute); }
.nav-toggle .bar {
  position: absolute;
  left: 10px;
  width: 18px;
  height: 1.5px;
  background: var(--fg);
  transition: transform .25s cubic-bezier(.2,.7,.2,1), opacity .15s, top .25s;
}
.nav-toggle .bar:nth-child(1) { top: 13px; }
.nav-toggle .bar:nth-child(2) { top: 19px; }
.nav-toggle .bar:nth-child(3) { top: 25px; }

/* Open state (driven by the checkbox) */
.nav-toggle-input:checked ~ .nav .nav-toggle .bar:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}
.nav-toggle-input:checked ~ .nav .nav-toggle .bar:nth-child(2) { opacity: 0; }
.nav-toggle-input:checked ~ .nav .nav-toggle .bar:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

.nav-drawer {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 49;
  background: rgba(10, 10, 11, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
  pointer-events: none;
  visibility: hidden;
}
.nav-toggle-input:checked ~ .nav-drawer {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  visibility: visible;
}
.nav-drawer-inner {
  padding: 24px var(--pad) 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-drawer .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 18px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  transition: background .15s, border-color .15s, color .15s;
}
.nav-drawer .nav-link[aria-current="page"] {
  border-color: var(--accent);
  color: var(--accent);
}
.nav-drawer .nav-link[aria-current="page"]::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.nav-drawer .nav-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 18px 22px;
  background: var(--accent);
  color: #0a0a0b;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}
.nav-drawer .drawer-foot {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.nav-drawer .drawer-foot a { color: var(--fg-dim); }
.nav-drawer .drawer-foot a:hover { color: var(--accent); }

/* lock body scroll when drawer open (JS adds this class; pure-CSS fallback below) */
body.nav-open { overflow: hidden; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- LANG SWITCH (FR / EN) ---------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.lang-switch .lang-btn {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--fg-mute);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  padding: 6px 8px;
  cursor: pointer;
  transition: color .15s, background .15s;
  line-height: 1;
}
.lang-switch .lang-btn:hover { color: var(--fg); }
.lang-switch .lang-btn[aria-pressed="true"] {
  color: #0a0a0b;
  background: var(--accent);
}
.lang-switch .lang-sep {
  color: var(--line-2);
  user-select: none;
  font-size: 11px;
}
@media (max-width: 880px) {
  .lang-switch { padding: 2px 4px; }
  .lang-switch .lang-btn { padding: 5px 6px; font-size: 10px; }
}

/* ---------- LOGO ---------- */
.logo {
  width: 32px; height: 32px;
  display: block;
}
.logo-img {
  width: 38px; height: 38px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 12px rgba(41, 69, 255, 0.4));
}
.logo-img-lg {
  width: 64px; height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(41, 69, 255, 0.5));
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 16px 22px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: all .2s;
}
.btn:hover {
  background: var(--bg-1);
  border-color: var(--fg-mute);
}
.btn .arr {
  width: 14px; height: 1px; background: currentColor;
  position: relative;
  transition: width .2s;
}
.btn .arr::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.btn:hover .arr { width: 22px; }
.btn-primary {
  background: var(--accent);
  color: #0a0a0b;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #b8ff4a;
  border-color: #b8ff4a;
}

/* ---------- FOOTER ---------- */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 60px;
  padding: 60px 0 24px;
  background:
    linear-gradient(to bottom, transparent 0%, rgba(168,255,46,0.015) 100%);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-col h5 {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin: 0 0 18px;
  font-weight: 400;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--fg-dim); font-size: 14px; transition: color .15s; }
.footer-col a:hover { color: var(--accent); }
.footer-bot {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.footer-mark {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(54px, 12.6vw, 200px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--bg-2);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  border-top: 1px solid var(--line);
  padding: 0.22em 0 0.06em;
  text-align: center;
}

/* ---------- TICKER (sports mécaniques detail) ---------- */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-1);
  padding: 14px 0;
}
.ticker-track {
  display: flex;
  gap: 60px;
  animation: ticker-scroll 50s linear infinite;
  white-space: nowrap;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.ticker-track span { display: inline-flex; align-items: center; gap: 60px; }
.ticker-track .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; display: inline-block; }
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

/* ---------- placeholder image ---------- */
.placeholder {
  position: relative;
  background:
    repeating-linear-gradient(135deg,
      #1a1a22 0 12px,
      #15151c 12px 24px);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.placeholder::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(168,255,46,0.05), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.04), transparent 50%);
}
.placeholder .ph-label {
  position: relative;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
  background: var(--bg);
  padding: 8px 14px;
  border: 1px solid var(--line);
}

/* corners */
.corners { position: relative; }
.corners::before, .corners::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border: 1px solid var(--accent);
}
.corners::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corners::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* ---------- accessibility focus ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===========================================================
   MOBILE — phone-specific refinements (<= 720px / <= 540px)
   Desktop layout is untouched.
   =========================================================== */
@media (max-width: 720px) {
  :root {
    --pad: 20px;
  }

  /* Defensive: stop any stray overflow from causing horizontal scroll on phones */
  html, body { max-width: 100vw; overflow-x: hidden; }

  /* Nav bar — compact phone bandeau:
     logo + brand text (truncatable) + lang-switch + hamburger.
     Total target ≤ 320px content so it fits 360px-class phones with room to spare. */
  .nav-inner {
    gap: 10px;
    padding: 10px var(--pad);
    flex-wrap: nowrap;
    min-width: 0;
  }
  .nav-brand {
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
  }
  .nav-brand .wm {
    font-size: 12px;
    letter-spacing: 0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
  }
  .logo-img { width: 30px; height: 30px; flex-shrink: 0; }

  .lang-switch { padding: 3px 4px; gap: 0; flex-shrink: 0; }
  .lang-switch .lang-btn { padding: 5px 6px; font-size: 10px; }
  .lang-switch .lang-sep { font-size: 10px; padding: 0 2px; }

  .nav-toggle { width: 36px; height: 36px; flex-shrink: 0; }
  .nav-toggle .bar { left: 9px; width: 16px; }
  .nav-toggle .bar:nth-child(1) { top: 11px; }
  .nav-toggle .bar:nth-child(2) { top: 17px; }
  .nav-toggle .bar:nth-child(3) { top: 23px; }
  .nav-toggle[aria-expanded="true"] .bar:nth-child(1),
  .nav-toggle[aria-expanded="true"] .bar:nth-child(3) { top: 17px; }

  /* nav-drawer top offset (matches new compact nav height) */
  .nav-drawer { top: 56px; }

  /* Section header — keep two-row stack readable */
  .section-hd { padding-bottom: 28px; margin-bottom: 36px; gap: 8px; }

  /* CTA blocks — give buttons full width so they're easy to tap */
  .cta-block { padding: 32px 24px !important; gap: 24px !important; }
  .cta-block h3 { font-size: clamp(26px, 7.5vw, 36px); }
  .cta-block .btn, .cta-block .btn-primary {
    width: 100%;
    justify-content: space-between;
  }
  .cta-block > div:last-child { width: 100%; }

  /* Buttons — bigger touch targets on phone */
  .btn { padding: 14px 18px; font-size: 11px; }

  /* Footer: 2 cols on mid mobile, 1 col on small mobile */
  .footer { padding: 48px 0 24px; margin-top: 40px; }
  .footer-grid { gap: 32px 24px; padding-bottom: 44px; }
  .footer-mark { font-size: clamp(40px, 14vw, 80px); }
  .footer-bot { font-size: 9px; gap: 8px; }
  .footer-col h5 { margin-bottom: 14px; }
  .footer-col li { margin-bottom: 8px; }

  /* Ticker — shorter padding so it doesn't dominate */
  .ticker { padding: 12px 0; }
  .ticker-track { font-size: 10px; gap: 40px; }
  .ticker-track span { gap: 40px; }

  /* Section vertical rhythm — tighter on phones */
  .section { padding: 56px 0; }
}

@media (max-width: 480px) {
  /* Very small phones — keep the brand text visible (compact), just tighten paddings */
  .nav-inner { padding: 10px 16px; gap: 8px; }
  .nav-brand .wm { font-size: 11px; letter-spacing: 0; }
}

@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-mark { display: none; }
  .footer-bot { flex-direction: column; align-items: flex-start; }

  /* Bigger hit area on toggle */
  .nav-toggle { width: 38px; height: 38px; }
}