/* ==========================================================================
   LINK-CO — Design System « Constellation »
   Fonts : Unbounded (display) · Outfit (body) · Space Mono (labels)
   ========================================================================== */
@import url("https://fonts.googleapis.com/css2?family=Unbounded:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap");

/* ---------- Tokens ---------- */
:root {
  --bg-0: #060213;
  --bg-1: #0c0722;
  --bg-2: #151038;
  --ink: #f4f2ff;
  --muted: #aaa2d0;
  --faint: #6f67a0;

  --violet: #7c6cff;
  --violet-deep: #4316db;
  --teal: #4fddb5;
  --sky: #5cc8f8;
  --coral: #ff8181;
  --gold: #f5c97b;

  --grad-brand: linear-gradient(120deg, #7c6cff 0%, #5cc8f8 55%, #4fddb5 100%);
  --grad-coral: linear-gradient(120deg, #ff8181, #f5c97b);

  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(21, 16, 56, 0.55);
  --stroke: rgba(255, 255, 255, 0.1);
  --stroke-soft: rgba(255, 255, 255, 0.06);

  --font-display: "Unbounded", sans-serif;
  --font-body: "Outfit", sans-serif;
  --font-mono: "Space Mono", monospace;

  --radius: 22px;
  --radius-sm: 14px;
  --shadow-card: 0 24px 60px -24px rgba(3, 0, 20, 0.8);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --content-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg-0);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--violet);
  color: #fff;
}

img,
svg,
canvas {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0 0 1.1em;
  color: var(--muted);
}

strong {
  color: var(--ink);
  font-weight: 600;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.7rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); }
h3 { font-size: clamp(1.05rem, 1.8vw, 1.3rem); font-family: var(--font-body); font-weight: 600; }

main {
  width: min(var(--content-width), calc(100% - 48px));
  margin-inline: auto;
  position: relative;
}

@media (max-width: 640px) {
  main { width: calc(100% - 40px); }
}

section {
  position: relative;
  padding: clamp(70px, 10vh, 130px) 0;
}

/* Les sections hors écran ne sont ni stylées ni peintes tant qu'on n'y arrive pas */
.cv-auto {
  content-visibility: auto;
  contain-intrinsic-size: auto 720px;
}

/* Accessible focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ==========================================================================
   FOND AMBIANT — ciel étoilé + aurores en parallax
   ========================================================================== */
.sky {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(124, 108, 255, 0.22), transparent 60%),
    radial-gradient(900px 600px at -10% 25%, rgba(67, 22, 219, 0.28), transparent 60%),
    radial-gradient(800px 500px at 70% 105%, rgba(79, 221, 181, 0.1), transparent 60%),
    linear-gradient(180deg, #0b0524 0%, var(--bg-0) 55%);
}

/* Trois couches d'étoiles (box-shadow générées côté CSS variables inline) */
.stars {
  position: absolute;
  inset: -10%;
  background-image:
    radial-gradient(1.4px 1.4px at 20% 30%, #ffffffcc 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 40% 70%, #ffffff99 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 65% 15%, #ffffffdd 50%, transparent 51%),
    radial-gradient(1px 1px at 80% 55%, #ffffff88 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 90% 80%, #ffffffbb 50%, transparent 51%),
    radial-gradient(1px 1px at 10% 85%, #ffffff77 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 50% 45%, #ffffffaa 50%, transparent 51%),
    radial-gradient(1px 1px at 30% 10%, #ffffff99 50%, transparent 51%);
  background-size: 620px 620px;
  animation: twinkle 6s ease-in-out infinite alternate;
}

.stars--2 {
  background-size: 940px 940px;
  animation-duration: 9s;
  animation-delay: -3s;
  opacity: 0.7;
}

.stars--3 {
  background-size: 1400px 1400px;
  animation-duration: 13s;
  animation-delay: -6s;
  opacity: 0.45;
}

@keyframes twinkle {
  from { opacity: 0.35; }
  to { opacity: 1; }
}

/* Aurores flottantes — déplacées en parallax par common.js via --py */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  transform: translate3d(0, calc(var(--py, 0) * 1px), 0);
  will-change: transform;
}

.orb--violet {
  width: 520px;
  height: 520px;
  top: -140px;
  right: -120px;
  background: radial-gradient(circle at 30% 30%, #8f7bff, #4316db 70%);
}

.orb--teal {
  width: 420px;
  height: 420px;
  top: 42%;
  left: -180px;
  background: radial-gradient(circle at 60% 40%, #4fddb5, #0b6a55 75%);
  opacity: 0.28;
}

.orb--coral {
  width: 300px;
  height: 300px;
  bottom: 4%;
  right: 8%;
  background: radial-gradient(circle at 40% 40%, #ff8181, #b0246a 75%);
  opacity: 0.18;
}

/* ==========================================================================
   COMPOSANTS
   ========================================================================== */

/* --- Eyebrow : étiquette « nœud + lien » (signature de marque) --- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--eyebrow-color, var(--teal));
  margin-bottom: 22px;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--eyebrow-color, var(--teal));
  box-shadow: 0 0 12px var(--eyebrow-color, var(--teal));
  flex: none;
}

.eyebrow::after {
  content: "";
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, var(--eyebrow-color, var(--teal)), transparent);
  flex: none;
}

.eyebrow--center {
  justify-content: center;
  width: 100%;
}

/* --- Titres avec dégradé --- */
.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --- Boutons --- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 30px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
  overflow: hidden;
  isolation: isolate;
}

.btn .btn__arrow {
  transition: transform 0.45s var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(5px);
}

.btn--primary {
  color: #0a0620;
  background: var(--grad-brand);
  box-shadow: 0 10px 34px -8px rgba(92, 200, 248, 0.55);
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.55) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.8s var(--ease-out);
  z-index: -1;
  mix-blend-mode: overlay;
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px -10px rgba(92, 200, 248, 0.7);
}

.btn--primary:hover::after {
  transform: translateX(120%);
}

.btn--ghost {
  color: var(--ink);
  background: var(--glass);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

/* --- Carte verre à bordure dégradée --- */
.card {
  position: relative;
  border-radius: var(--radius);
  padding: 34px 30px;
  /* backdrop-filter supprimé : fond opaque teinté = zéro coût au scroll */
  background: var(--card-bg, linear-gradient(160deg, rgba(34, 30, 74, 0.72), rgba(18, 14, 46, 0.78)));
  border: 1px solid var(--stroke-soft);
  box-shadow: var(--shadow-card);
  transition: transform 0.55s var(--ease-out), border-color 0.55s, box-shadow 0.55s;
  transform-style: preserve-3d;
}

/* Effet « projecteur » : un halo suit le curseur (variables --mx/--my via JS) */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%),
    rgba(124, 108, 255, 0.16), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.card:hover::after {
  opacity: 1;
}

.card::before {
  /* bordure dégradée révélée au survol */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.55s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 34px 80px -30px rgba(3, 0, 20, 0.95);
}

.card:hover::before {
  opacity: 0.9;
}

.card--accent::before { background: var(--card-accent, var(--grad-brand)); }

.card h3 { margin-top: 0; }

.card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  font-size: 1.25rem;
  margin-bottom: 22px;
  color: #0a0620;
  background: var(--card-accent, var(--grad-brand));
  box-shadow: 0 10px 26px -8px rgba(92, 200, 248, 0.6);
}

.card__tag {
  position: absolute;
  top: 22px;
  right: 22px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
  color: #0a0620;
  background: var(--card-accent, var(--grad-brand));
}

/* --- Séparateur « constellation » entre sections --- */
.link-divider {
  display: flex;
  justify-content: center;
  padding: 10px 0;
  opacity: 0.85;
}

.link-divider svg {
  width: min(460px, 70%);
  height: 26px;
}

/* --- Grille de cartes --- */
.grid {
  display: grid;
  gap: 26px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

/* --- En-tête de section centré --- */
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

/* ==========================================================================
   ANIMATIONS AU SCROLL
   ========================================================================== */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  /* opacity + transform uniquement : composité GPU, aucun repaint */
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--d, 0s);
}

.reveal { transform: translateY(36px); }
.reveal-left { transform: translateX(-52px); }
.reveal-right { transform: translateX(52px); }
.reveal-scale { transform: scale(0.92); }

.is-visible {
  opacity: 1;
  transform: none;
}

/* Parallax générique : common.js met à jour --py selon data-parallax */
[data-parallax] {
  transform: translate3d(0, calc(var(--py, 0) * 1px), 0);
  will-change: transform;
}

/* ==========================================================================
   BANDEAU CTA (avant footer, partagé)
   ========================================================================== */
.cta-band {
  position: relative;
  text-align: center;
  padding: clamp(60px, 9vh, 100px) 32px;
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(600px 260px at 50% 120%, rgba(79, 221, 181, 0.25), transparent 70%),
    linear-gradient(160deg, rgba(124, 108, 255, 0.22), rgba(16, 11, 42, 0.85));
  border: 1px solid var(--stroke);
}

.cta-band h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  max-width: 640px;
  margin-inline: auto;
}

.cta-band p {
  max-width: 520px;
  margin: 0 auto 34px;
}

/* ==========================================================================
   ACCESSIBILITÉ — réduire les animations
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   SOUS-PAGES (Python / Flutter / JavaScript / À propos…)
   ========================================================================== */
.page-hero {
  padding-top: clamp(60px, 9vh, 110px);
  padding-bottom: clamp(40px, 6vh, 70px);
  text-align: center;
}

.page-hero h1 {
  max-width: 860px;
  margin-inline: auto;
}

.page-hero__sub {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.08rem;
}

/* Citation flottante */
.quote {
  position: relative;
  max-width: 520px;
  margin: 44px auto 0;
  padding: 26px 30px 26px 56px;
  border-radius: var(--radius-sm);
  background: var(--panel-bg, rgba(30, 26, 66, 0.72));
  border: 1px solid var(--stroke-soft);
  color: var(--ink);
  font-size: 1.02rem;
  font-style: italic;
}

.quote::before {
  content: "“";
  position: absolute;
  left: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: normal;
  font-size: 1.6rem;
  line-height: 0;
  padding-top: 12px;
  color: #0a0620;
  border-radius: 50%;
  background: var(--page-accent-grad, var(--grad-coral));
  box-shadow: 0 0 26px var(--page-accent-glow, rgba(255, 129, 129, 0.55));
}

/* Bloc thème : eyebrow + titre + intro centrés */
.theme-head {
  max-width: 760px;
  margin: 0 auto 52px;
  text-align: center;
}

/* Rangée texte / carte alternée */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 4vw, 64px);
  align-items: center;
  margin-bottom: clamp(56px, 8vh, 96px);
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row--reverse .feature-row__text { order: 2; }

@media (max-width: 900px) {
  .feature-row { grid-template-columns: 1fr; }
  .feature-row--reverse .feature-row__text { order: 0; }
}

/* Panneau conclusif */
.page-end {
  border-radius: var(--radius);
  padding: clamp(34px, 5vw, 56px);
  background:
    radial-gradient(480px 200px at 85% 115%, var(--page-accent-soft, rgba(79, 221, 181, 0.18)), transparent 70%),
    linear-gradient(160deg, rgba(32, 28, 70, 0.75), rgba(18, 14, 46, 0.8));
  border: 1px solid var(--stroke);
}

.page-end p { margin: 0; color: var(--ink); font-size: 1.05rem; }

/* Formulaire (contact) */
.field {
  position: relative;
}

.field__icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--teal);
  pointer-events: none;
  display: grid;
  place-items: center;
}

.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 16px 18px 16px 52px;
  transition: border-color 0.35s, background 0.35s, box-shadow 0.35s;
}

.field textarea {
  padding: 18px;
  min-height: 170px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--faint);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(79, 221, 181, 0.65);
  background: rgba(79, 221, 181, 0.06);
  box-shadow: 0 0 0 4px rgba(79, 221, 181, 0.12);
}

.error {
  color: var(--coral);
  font-size: 0.86rem;
  margin-top: 8px;
  text-align: left;
}

/* Citation : repositionner la marque sur mobile pour éviter le débordement */
@media (max-width: 560px) {
  .quote {
    padding-left: 30px;
    margin-top: 58px;
  }

  .quote::before {
    left: 50%;
    top: -22px;
    transform: translate(-50%, 0);
  }
}


/* ==========================================================================
   BARRE DE PROGRESSION DE LECTURE
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 90;
  background: var(--grad-brand);
  transform-origin: left;
  transform: scaleX(var(--sp, 0));
  pointer-events: none;
}






/* ==========================================================================
   THÈME CLAIR — « Aube provençale »
   Activé via <html data-theme="light">. Les fenêtres de code, téléphones
   et cadres navigateur restent sombres (contraste voulu, façon IDE).
   ========================================================================== */
[data-theme="light"] {
  --bg-0: #f7f6fc;
  --bg-1: #ffffff;
  --ink: #1c1a3a;
  --muted: #565277;
  --faint: #8b87a8;

  --glass: rgba(28, 26, 58, 0.04);
  --glass-strong: rgba(255, 255, 255, 0.75);
  --stroke: rgba(28, 26, 58, 0.14);
  --stroke-soft: rgba(28, 26, 58, 0.09);

  --card-bg: linear-gradient(160deg, #ffffff, #f6f4ff);
  --panel-bg: #ffffff;
  --shadow-card: 0 20px 50px -24px rgba(38, 30, 90, 0.25);
}

/* Ciel : aube claire, halos pastel, étoiles éteintes */
[data-theme="light"] .sky {
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(124, 108, 255, 0.14), transparent 60%),
    radial-gradient(900px 600px at -10% 25%, rgba(92, 200, 248, 0.14), transparent 60%),
    radial-gradient(800px 500px at 70% 105%, rgba(79, 221, 181, 0.12), transparent 60%),
    linear-gradient(180deg, #f1eefc 0%, var(--bg-0) 55%);
}

[data-theme="light"] .stars { display: none; }
[data-theme="light"] .orb { opacity: 0.22; }
[data-theme="light"] .orb--teal { opacity: 0.16; }
[data-theme="light"] .orb--coral { opacity: 0.1; }

/* Sélection */
[data-theme="light"] ::selection { background: #cfc7ff; color: #1c1a3a; }

/* Navigation */
[data-theme="light"] .nav-bar--scrolled {
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 40px -24px rgba(38, 30, 90, 0.3);
}

[data-theme="light"] .nav-bar__link { color: rgba(28, 26, 58, 0.7); }
[data-theme="light"] .nav-bar__link:hover,
[data-theme="light"] .nav-bar__link.is-active { color: var(--ink); }
[data-theme="light"] .nav-bar__burger span { background: var(--ink); }

@media (max-width: 1023px) {
  [data-theme="light"] .nav-bar__elements {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 30px 60px -24px rgba(38, 30, 90, 0.35);
  }
  [data-theme="light"] .nav-bar__link:hover,
  [data-theme="light"] .nav-bar__link.is-active { background: rgba(28, 26, 58, 0.06); }
}

/* Cartes & surfaces */
[data-theme="light"] .card::after {
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%),
    rgba(124, 108, 255, 0.1), transparent 65%);
}

[data-theme="light"] .cta-band {
  background:
    radial-gradient(600px 260px at 50% 120%, rgba(79, 221, 181, 0.18), transparent 70%),
    linear-gradient(160deg, rgba(124, 108, 255, 0.14), #ffffff);
}

[data-theme="light"] .page-end {
  background:
    radial-gradient(480px 200px at 85% 115%, var(--page-accent-soft, rgba(79, 221, 181, 0.14)), transparent 70%),
    linear-gradient(160deg, #ffffff, #f6f4ff);
}

[data-theme="light"] .page-end p { color: var(--ink); }

/* Boutons / chips / marquee / filtres */
[data-theme="light"] .btn--ghost { color: var(--ink); background: #ffffff; }
[data-theme="light"] .btn--ghost:hover { background: #f3f1fd; }
[data-theme="light"] .hero__chip,
[data-theme="light"] .marquee__track span,
[data-theme="light"] .filter { background: #ffffff; color: var(--muted); }
[data-theme="light"] .filter.is-active { color: #0a0620; }
[data-theme="light"] .segmented { background: #ffffff; }
[data-theme="light"] .segmented button { color: var(--muted); }
[data-theme="light"] .segmented button.is-active { color: #0a0620; }

/* Slider / formulaires */
[data-theme="light"] .slider__btn { background: #ffffff; color: var(--ink); }
[data-theme="light"] .slider__dot { background: rgba(28, 26, 58, 0.2); }
[data-theme="light"] .field input,
[data-theme="light"] .field textarea {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--stroke);
}
[data-theme="light"] .field input:focus,
[data-theme="light"] .field textarea:focus { background: #f2fcf8; }

/* Footer */
[data-theme="light"] .footer__glow { opacity: 0.4; }
[data-theme="light"] .footer__col a:hover { color: var(--ink); }

/* Dashboard clair (tuiles) — les fenêtres code restent sombres */
[data-theme="light"] .mock-window { color-scheme: dark; }
[data-theme="light"] .dash-tile { background: rgba(255, 255, 255, 0.06); }

/* Vignettes galerie */
[data-theme="light"] .gallery__thumbs button { border-color: var(--stroke); }

/* ---------- Bouton de bascule de thème ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-left: 6px;
  border-radius: 50%;
  border: 1px solid var(--stroke);
  background: var(--glass);
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.4s var(--ease-out), background 0.35s, border-color 0.35s;
}

.theme-toggle:hover {
  transform: translateY(-2px) rotate(15deg);
  border-color: rgba(92, 200, 248, 0.5);
}

.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

@media (max-width: 1023px) {
  .theme-toggle { margin: 10px auto 2px; }
}


/* ==========================================================================
   LOGO — bascule automatique clair/sombre
   ========================================================================== */
.brand-logo { height: auto; }
.brand-logo--on-light { display: none; }
[data-theme="light"] .brand-logo--on-dark { display: none; }
[data-theme="light"] .brand-logo--on-light { display: block; }