/* =========================================================================
   THE RUSH — « Heat Clock »
   Enseigne de nuit vivante. Layout éditorial asymétrique, typo trio
   (Fraunces serif / Space Mono / Inter), fond mouvant qui chauffe à 22h.
   Palette issue du pitch deck (validée par le client).
   ========================================================================= */

:root {
  --aubergine:     #08080c;   /* base quasi-noire (fond du logo) */
  --aubergine-2:   #14141c;
  --pink:          #e23b34;   /* ROUGE — accent principal (live / chaud) */
  --spark:         #3358d4;   /* BLEU — accent secondaire (calme / éclair) */
  --hot:           #d8342c;   /* rouge profond */
  --cream:         #f3f2f6;

  --text:          #f4f3f7;
  --text-dim:      rgba(244, 243, 247, 0.82);
  --text-faint:    rgba(244, 243, 247, 0.58);
  --line:          rgba(255, 255, 255, 0.12);
  --line-soft:     rgba(255, 255, 255, 0.07);

  --grad-aurora:   linear-gradient(110deg, #e23b34 0%, #b03a7a 50%, #3358d4 100%);

  --font-display:  "Fraunces", "Times New Roman", Georgia, serif;
  --font-mono:     "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-sans:     "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --container: 1180px;
  --gutter: clamp(20px, 4vw, 56px);
  --nav-h: 70px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --beat: 0; /* piloté par le rAF du fond (0..1) */
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--aubergine);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  text-shadow: 0 1px 18px rgba(3, 3, 7, 0.7), 0 0 2px rgba(3, 3, 7, 0.55);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--pink); color: var(--aubergine); }

/* =========================================================================
   Fond
   ========================================================================= */
#bg {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: -2;
  display: block;
}
/* repli CSS (halos) — visible seulement si le canvas n'a pas pu démarrer */
.bg {
  position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none;
  display: none;
}
html.bg-css .bg { display: block; }
html.bg-css #bg { display: none; }
.bg__glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.bg__glow--pink { width: 52vw; height: 52vw; background: radial-gradient(circle, rgba(226,59,52,0.5), transparent 65%); top: -10vw; left: -8vw; }
.bg__glow--hot { width: 46vw; height: 46vw; background: radial-gradient(circle, rgba(51,88,212,0.42), transparent 65%); top: 30vh; right: -14vw; }
.bg__glow--yellow { width: 32vw; height: 32vw; background: radial-gradient(circle, rgba(160,58,122,0.18), transparent 65%); bottom: -8vw; left: 26vw; }

/* voile de contraste global pour la lisibilité du texte sur l'aurore */
.scrim {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7,7,11,0.52), rgba(7,7,11,0.44)),
    linear-gradient(90deg, rgba(5,5,9,0.66) 0%, rgba(5,5,9,0.34) 44%, rgba(5,5,9,0.05) 72%),
    radial-gradient(135% 95% at 66% 42%, transparent 40%, rgba(3,3,6,0.62) 100%);
}

/* =========================================================================
   Layout
   ========================================================================= */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { position: relative; padding-block: clamp(90px, 13vw, 190px); }

/* grille éditoriale 12 colonnes */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
}

/* en-tête de chapitre : folio (numéro) + kicker mono */
.chapter { display: flex; align-items: baseline; gap: 18px; margin-bottom: 30px; }
.folio {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,245,233,0.32);
  letter-spacing: -0.02em;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.kicker::before { content: "— "; color: var(--pink); }

/* =========================================================================
   Typographie
   ========================================================================= */
.display {
  font-family: var(--font-display);
  font-weight: 600;
  font-optical-sizing: auto;
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0;
  text-shadow: 0 4px 40px rgba(0,0,0,0.45);
}
h2.display { font-size: clamp(2.4rem, 6.5vw, 5rem); }
.ital { font-style: italic; font-weight: 500; }

/* texte gravé dans l'aurore : dégradé animé clipé */
.aurora-text {
  background: var(--grad-aurora);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: auroraFlow 9s linear infinite;
  -webkit-text-stroke: 0;
}
@keyframes auroraFlow { to { background-position: 220% 0; } }

.lede {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--text-dim);
  max-width: 48ch;
  margin: 22px 0 0;
}

/* =========================================================================
   Boutons
   ========================================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.3s, border-color 0.3s;
}
.btn:active { transform: scale(0.97); }
.btn--primary {
  background: var(--grad-aurora); background-size: 200% 100%;
  color: #fff;
  box-shadow: 0 10px 34px rgba(226, 59, 52, 0.34);
  animation: auroraFlow 9s linear infinite;
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 50px rgba(226, 59, 52, 0.5); }
.btn--ghost { background: rgba(255,255,255,0.05); border-color: var(--line); color: var(--text); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn--ghost:hover { border-color: var(--line); background: rgba(255,255,255,0.09); transform: translateY(-2px); }
.btn--sm { padding: 9px 16px; font-size: 13px; }

/* =========================================================================
   Wordmark
   ========================================================================= */
.wordmark {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display);
  line-height: 1;
}
.wordmark__logo { height: 1.5em; width: auto; flex: none;
  filter: drop-shadow(0 0 calc(4px + var(--beat) * 9px) rgba(226,59,52,0.45)); }
.wordmark__the { font-style: italic; font-weight: 500; font-size: 0.62em; color: var(--text-dim); }
.wordmark__rush { font-weight: 600; letter-spacing: -0.02em; }

/* =========================================================================
   Navigation
   ========================================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  z-index: 100; display: flex; align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s, backdrop-filter 0.4s;
}
.nav.is-scrolled {
  background: rgba(12, 1, 7, 0.66);
  backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line-soft);
}
.nav__inner {
  width: 100%; max-width: var(--container); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.nav .wordmark { font-size: 23px; }

.nav__center { display: flex; align-items: center; gap: 28px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em; color: var(--text-dim); }
.nav__center a { transition: color 0.25s; text-transform: uppercase; }
.nav__center a:hover { color: var(--text); }

.nav__actions { display: flex; align-items: center; gap: 12px; }

/* statut live (mono) */
.status {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--text-dim); white-space: nowrap;
  padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--line-soft); background: rgba(255,255,255,0.03);
}
.status__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pink); box-shadow: 0 0 10px var(--pink);
  transform: scale(calc(1 + var(--beat) * 0.5));
}
.status.is-live { color: var(--pink); border-color: rgba(226,59,52,0.4); }
.status.is-live .status__dot { background: var(--pink); }

.lang { display: inline-flex; padding: 3px; border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid var(--line); }
.lang button { border: 0; background: transparent; color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; font-weight: 700; padding: 5px 9px; border-radius: 999px; transition: color 0.25s, background 0.25s; }
.lang button.is-active { color: #1a0008; background: var(--cream); }

.nav__burger { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; background: rgba(255,255,255,0.05); border: 1px solid var(--line); border-radius: 12px; }
.nav__burger span { width: 17px; height: 1.6px; background: var(--text); transition: transform 0.3s, opacity 0.3s; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* =========================================================================
   Rail latéral (sommaire de chapitres) — desktop
   ========================================================================= */
.rail {
  position: fixed; left: 22px; top: 50%; transform: translateY(-50%);
  z-index: 60; display: none; flex-direction: column; gap: 15px;
}
.rail a {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--text-faint); transition: color 0.3s;
}
.rail a .bar { width: 12px; height: 1px; background: currentColor; opacity: 0.55; transition: width 0.3s, background 0.3s, opacity 0.3s; }
/* libellé masqué visuellement (gardé pour l'accessibilité) */
.rail a > span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.rail a.is-active { color: var(--text); }
.rail a.is-active .n { color: var(--pink); }
.rail a.is-active .bar { width: 26px; background: var(--pink); opacity: 1; }
@media (min-width: 1280px) { .rail { display: flex; } }

/* =========================================================================
   Marquee
   ========================================================================= */
.marquee {
  position: relative; overflow: hidden;
  border-block: 1px solid var(--line-soft);
  padding-block: 16px;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex; gap: 0; will-change: transform;
  animation: marquee 32s linear infinite;
}
.marquee__track span {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-dim); padding-inline: 22px;
}
.marquee__track span b { color: var(--pink); font-weight: 400; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================================================================
   Hero
   ========================================================================= */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: var(--nav-h); }
.hero__inner { width: 100%; }
.hero__eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-dim); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 26px;
}
.hero__eyebrow .status__dot { position: relative; }

.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(3rem, 11vw, 9rem);
  line-height: 0.92; letter-spacing: -0.04em; margin: 0;
  max-width: 14ch;
  text-shadow: 0 6px 60px rgba(0,0,0,0.5);
}
.hero h1 .ital { display: inline-block; }
.hero__sub { font-size: clamp(1.05rem, 1.8vw, 1.35rem); color: var(--text-dim); max-width: 42ch; margin: 30px 0 0; }

.heatclock {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em;
  color: var(--text-dim); margin-top: 26px; display: inline-flex; align-items: center; gap: 9px;
}
.heatclock b { color: var(--pink); font-weight: 400; }

.countdown { margin-top: 22px; display: flex; align-items: baseline; gap: 10px; }
.countdown__clock {
  font-family: var(--font-mono); font-weight: 700; font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 6vw, 3.4rem); letter-spacing: 0.01em; color: var(--cream);
}
.countdown__sep { color: var(--pink); }
.countdown.is-live .countdown__clock { color: var(--pink); }

.hero__cta { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.badges { display: flex; flex-wrap: wrap; gap: 13px; }
.badge {
  display: inline-flex; align-items: center; gap: 11px;
  padding: 11px 17px; border-radius: 14px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform 0.4s var(--ease), border-color 0.3s, background 0.3s;
}
.badge:hover { transform: translateY(-2px); background: rgba(255,255,255,0.09); }
.badge svg { width: 23px; height: 23px; flex: none; fill: var(--cream); }
.badge__small { display: block; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); }
.badge__big { display: block; font-size: 15px; font-weight: 600; }
.badge__soon { font-family: var(--font-mono); font-size: 8.5px; font-weight: 700; letter-spacing: 0.06em; padding: 2px 6px; border-radius: 999px; background: var(--grad-aurora); color: #fff; margin-left: 4px; }

.scroll-cue { margin-top: 56px; display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint); }
.scroll-cue .line { width: 46px; height: 1px; background: linear-gradient(90deg, var(--text-faint), transparent); }

/* =========================================================================
   Reveal
   ========================================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }

/* reveal par masque (lignes qui montent) */
.line-reveal { display: block; overflow: hidden; }
.line-reveal > * { display: block; transform: translateY(110%); transition: transform 0.9s var(--ease); }
.in .line-reveal > *, .line-reveal.in > * { transform: none; }

/* =========================================================================
   Problème — chiffres en escalier (kinetic)
   ========================================================================= */
.problem__head { grid-column: 1 / span 8; }
.bigstats { margin-top: 60px; display: grid; gap: 4px; }
.bigstat {
  display: grid; grid-template-columns: minmax(0, 0.42fr) 1fr; gap: clamp(16px, 4vw, 48px);
  align-items: end; padding-block: 26px; border-top: 1px solid var(--line-soft);
}
.bigstat:last-child { border-bottom: 1px solid var(--line-soft); }
.bigstat:nth-child(2) { margin-left: clamp(0px, 8vw, 130px); }
.bigstat:nth-child(3) { margin-left: clamp(0px, 4vw, 64px); }
.bigstat__num {
  font-family: var(--font-display); font-weight: 600; line-height: 0.9;
  font-size: clamp(3.2rem, 9vw, 7rem); letter-spacing: -0.04em;
  background: var(--grad-aurora); background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.bigstat__txt { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; color: var(--text-dim); line-height: 1.5; padding-bottom: 12px; max-width: 34ch; }

/* =========================================================================
   Concept / split + téléphone
   ========================================================================= */
.split__text { grid-column: 1 / span 6; }
.split__media { grid-column: 8 / span 5; }

.pillars { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 4px; }
.pillars li { padding: 18px 0; border-top: 1px solid var(--line-soft); display: flex; gap: 16px; align-items: flex-start; color: var(--text-dim); font-size: 15.5px; }
.pillars li:last-child { border-bottom: 1px solid var(--line-soft); }
.pillars .idx { font-family: var(--font-mono); font-size: 12px; color: var(--pink); padding-top: 3px; }
.pillars b { color: var(--text); font-weight: 600; }

/* Téléphone */
.phone {
  position: relative; width: 290px; max-width: 80vw; aspect-ratio: 9 / 19;
  border-radius: 42px; padding: 11px; margin-inline: auto;
  background: linear-gradient(160deg, #1c1c26, #0c0c12);
  border: 1px solid var(--line);
  box-shadow: 0 50px 110px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(255,255,255,0.04);
}
.phone::before { content: ""; position: absolute; top: 16px; left: 50%; transform: translateX(-50%); width: 92px; height: 26px; border-radius: 999px; background: #0a0207; z-index: 3; }
.phone__screen {
  position: relative; height: 100%; border-radius: 32px; overflow: hidden;
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(226,59,52,0.32), transparent 60%),
    radial-gradient(90% 60% at 50% 100%, rgba(51,88,212,0.26), transparent 60%),
    #0c0c14;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 32px 22px; gap: 12px;
}
.phone__eyebrow { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim); }
.phone__time { font-family: var(--font-mono); font-weight: 700; font-variant-numeric: tabular-nums; font-size: 40px; color: var(--cream); }
.phone__live { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pink); padding: 5px 12px; border-radius: 999px; border: 1px solid rgba(226,59,52,0.4); background: rgba(226,59,52,0.1); }
.phone__live .status__dot { background: var(--pink); }
.phone__match { font-family: var(--font-display); font-size: 23px; letter-spacing: -0.02em; margin-top: 4px; }
.phone__hint { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint); letter-spacing: 0.04em; }

/* =========================================================================
   Session — téléphone sticky + étapes + horloge
   ========================================================================= */
.session__grid { display: grid; grid-template-columns: 1fr; gap: 0; }
.session__media { position: sticky; top: calc(var(--nav-h) + 24px); }
.session__steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 84px 1fr; gap: 22px;
  padding-block: clamp(30px, 7vh, 64px); border-top: 1px solid var(--line-soft);
  opacity: 0.4; transition: opacity 0.5s var(--ease);
}
.step.is-active { opacity: 1; }
.step__time { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; color: var(--text-dim); padding-top: 6px; }
.step.is-active .step__time { color: var(--pink); }
.step__title { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; letter-spacing: -0.02em; }
.step__desc { color: var(--text-dim); font-size: 15px; margin-top: 8px; max-width: 46ch; }

@media (min-width: 880px) {
  .session__grid { grid-template-columns: 0.9fr 1.1fr; gap: clamp(30px, 6vw, 90px); }
  .session__media { order: 2; height: 100%; }
  .session__media .session__sticky { position: sticky; top: calc(var(--nav-h) + 40px); display: grid; place-items: center; min-height: 70vh; }
}

/* =========================================================================
   9 cartes — deck éventaillé
   ========================================================================= */
.deck-wrap { margin-top: 16px; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.qcard {
  position: relative;
  padding: 26px 22px; border-radius: 20px;
  background: rgba(255,255,255,0.045); border: 1px solid var(--line);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: transform 0.5s var(--ease), border-color 0.3s, box-shadow 0.4s;
}
.qcard:hover { transform: translateY(-6px) rotate(-0.6deg); box-shadow: 0 30px 60px rgba(0,0,0,0.4); border-color: var(--line); }
.qcard:nth-child(2):hover { transform: translateY(-6px) rotate(0.4deg); }
.qcard:nth-child(3):hover { transform: translateY(-6px) rotate(0.8deg); }
.qcard__n { font-family: var(--font-mono); font-size: 12px; color: var(--pink); letter-spacing: 0.06em; }
.qcard__q { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; margin: 6px 0 18px; letter-spacing: -0.01em; }
.qcard__opts { display: grid; gap: 9px; }
.opt {
  text-align: left; width: 100%; padding: 11px 15px; border-radius: 12px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--line-soft);
  color: var(--text-dim); font-size: 14px;
  transition: border-color 0.25s, color 0.25s, background 0.25s, transform 0.2s;
}
.opt:hover { color: var(--text); border-color: var(--line); }
.opt.is-picked { background: var(--grad-aurora); background-size: 200% 100%; color: #fff; border-color: transparent; font-weight: 600; transform: translateY(-1px); animation: auroraFlow 9s linear infinite; }

/* =========================================================================
   Manifeste
   ========================================================================= */
.manifesto .display { font-size: clamp(2.4rem, 8vw, 6rem); max-width: 16ch; }
.manifesto__sub { margin-top: 30px; max-width: 48ch; color: var(--text-dim); font-size: 1.15rem; }

/* =========================================================================
   CTA final
   ========================================================================= */
.cta { max-width: 760px; }
.cta .display { font-size: clamp(2.2rem, 6vw, 4.2rem); }
.cta__sub { color: var(--text-dim); margin: 18px 0 32px; max-width: 44ch; }
.signup { display: flex; gap: 10px; flex-wrap: wrap; max-width: 480px; }
.signup input {
  flex: 1 1 240px; padding: 15px 18px; border-radius: 999px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--line); color: var(--text);
  font-size: 15px; outline: none; transition: border-color 0.25s, box-shadow 0.25s;
}
.signup input::placeholder { color: var(--text-faint); }
.signup input:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(226,59,52,0.22); }
.signup__msg { margin-top: 16px; font-family: var(--font-mono); font-size: 13px; min-height: 20px; color: var(--pink); letter-spacing: 0.02em; }
.signup__msg.is-error { color: var(--hot); }
.cta__or { margin: 30px 0 16px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-faint); }

/* =========================================================================
   Footer
   ========================================================================= */
.footer { border-top: 1px solid var(--line-soft); padding-block: 54px; }
.footer__top { display: flex; flex-wrap: wrap; gap: 26px; align-items: flex-start; justify-content: space-between; }
.footer .wordmark { font-size: 30px; }
.footer__tag { color: var(--text-dim); font-size: 14px; max-width: 28ch; margin-top: 12px; }
.footer__edition { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--text-faint); margin-top: 10px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-dim); }
.footer__links a:hover { color: var(--text); }
.footer__legal { color: var(--text-faint); font-size: 12.5px; margin-top: 36px; font-family: var(--font-mono); letter-spacing: 0.02em; }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 1080px) {
  .problem__head, .split__text, .split__media { grid-column: 1 / -1; }
  .split__media { margin-top: 30px; }
}

@media (max-width: 880px) {
  .nav__center { display: none; }
  .nav__center.as-menu {
    display: flex; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 4px; padding: 16px var(--gutter) 24px;
    background: rgba(12,1,7,0.94); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line-soft);
    opacity: 0; pointer-events: none; transform: translateY(-10px); transition: opacity 0.3s, transform 0.3s;
  }
  .nav__center.as-menu a { padding: 11px 0; font-size: 14px; }
  .nav.is-open .nav__center.as-menu { opacity: 1; pointer-events: auto; transform: none; }
  .nav__burger { display: flex; }
  .status--nav { display: none; }
  .cards-grid { grid-template-columns: 1fr; }
  .bigstat { grid-template-columns: 1fr; gap: 6px; align-items: start; }
  .bigstat:nth-child(2), .bigstat:nth-child(3) { margin-left: 0; }
  .bigstat__txt { padding-bottom: 0; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .marquee__track span { font-size: 11px; }
}