/* Page d'accueil de vaika.studio : thème sombre, police système, motion coupé sous prefers-reduced-motion. */

:root {
  color-scheme: dark;
  --fond: #08080d;
  --surface: #11111a;
  --surface-haute: #191926;
  --bordure: rgb(255 255 255 / 0.08);
  --bordure-forte: rgb(255 255 255 / 0.16);
  --texte: #f4f3fa;
  --texte-secondaire: #a9a8be;
  --accent: #a493ff;
  --texte-sur-accent: #0c0a1a;
  --degrade: linear-gradient(100deg, #b7a6ff 0%, #7ce3d8 50%, #ffa9cf 100%);
  --rayon: 1.25rem;
  --largeur: 74rem;
  --gouttiere: clamp(1rem, 4vw, 2rem);
  --police: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --police-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --courbe: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font-family: var(--police);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

/* Lien d'évitement : hors écran, visible au focus clavier. */
.evitement {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1.1rem;
  border-radius: 0.75rem;
  background: var(--accent);
  color: var(--texte-sur-accent);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
}

.evitement:focus {
  transform: none;
}

/* En-tête collant, navigation qui passe à la ligne. */
.entete {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(8 8 13 / 0.74);
  border-bottom: 1px solid var(--bordure);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
}

.entete__interieur {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  max-width: var(--largeur);
  margin: 0 auto;
  padding: 0.6rem var(--gouttiere);
}

.marque {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
  color: var(--texte);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.marque::before {
  content: "";
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.4rem;
  background: var(--degrade);
  box-shadow: 0 0 24px rgb(164 147 255 / 0.55);
  transition: transform 0.5s var(--courbe);
}

.marque:hover::before {
  transform: rotate(90deg) scale(1.08);
}

.navigation ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  margin: 0 -0.75rem;
  padding: 0;
  list-style: none;
}

.navigation a {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  color: var(--texte-secondaire);
  font-size: 0.95rem;
  font-weight: 550;
  text-decoration: none;
  transition: color 0.2s, background-color 0.2s;
}

.navigation a:hover {
  color: var(--texte);
  background: rgb(255 255 255 / 0.07);
}

/* Éléments communs. */
.surtitre {
  margin: 0 0 1rem;
  color: var(--texte-secondaire);
  font-family: var(--police-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.surtitre--badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--bordure-forte);
  border-radius: 999px;
  background: rgb(255 255 255 / 0.04);
  font-size: 0.72rem;
  animation: monter 0.9s var(--courbe) both;
}

.surtitre--badge::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #7ce3d8;
  box-shadow: 0 0 0 0 rgb(124 227 216 / 0.6);
  animation: pulser 2.4s ease-out infinite;
}

.bouton {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 0.25s var(--courbe), background-color 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.bouton--principal {
  background: var(--accent);
  color: var(--texte-sur-accent);
  box-shadow: 0 10px 30px -10px rgb(164 147 255 / 0.7);
}

.bouton--principal:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -12px rgb(164 147 255 / 0.95);
}

.bouton--secondaire {
  border-color: var(--bordure-forte);
  background: rgb(255 255 255 / 0.03);
  color: var(--texte);
}

.bouton--secondaire:hover {
  transform: translateY(-2px);
  border-color: rgb(255 255 255 / 0.36);
  background: rgb(255 255 255 / 0.08);
}

.bouton--grand {
  padding: 1.1rem 1.8rem;
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
}

.icone {
  flex: none;
  transition: transform 0.25s var(--courbe);
}

.bouton:hover .icone {
  transform: translateX(4px);
}

/* Héros. */
.heros {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(3.5rem, 9vw, 7.5rem) var(--gouttiere) clamp(2.5rem, 5vw, 4rem);
}

.heros__fond {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.heros__fond::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--bordure) 1px, transparent 1px),
    linear-gradient(90deg, var(--bordure) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 10%, transparent 75%);
}

.orbe {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: deriver 20s var(--courbe) infinite alternate;
}

.orbe--1 {
  top: -14rem;
  left: -12rem;
  width: 36rem;
  height: 36rem;
  background: #5b3df5;
  opacity: 0.32;
}

.orbe--2 {
  top: 2rem;
  right: -10rem;
  width: 28rem;
  height: 28rem;
  background: #0fb5a6;
  opacity: 0.26;
  animation-duration: 24s;
  animation-delay: -8s;
}

.orbe--3 {
  bottom: -14rem;
  left: 40%;
  width: 26rem;
  height: 26rem;
  background: #e2468f;
  opacity: 0.22;
  animation-duration: 28s;
  animation-delay: -14s;
}

.heros__interieur {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
  max-width: var(--largeur);
  margin: 0 auto;
}

.heros__titre {
  margin: 0 0 1.5rem;
  font-size: clamp(2.6rem, 1rem + 6.6vw, 6.4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.ligne {
  display: block;
  animation: monter 0.9s var(--courbe) both;
  animation-delay: calc(0.1s + var(--i, 0) * 0.12s);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .ligne--degrade {
    display: inline-block;
    padding-bottom: 0.08em;
    background: linear-gradient(100deg, #b7a6ff 0%, #7ce3d8 35%, #ffa9cf 65%, #b7a6ff 100%);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation:
      monter 0.9s var(--courbe) both,
      miroiter 2.8s var(--courbe) both;
    animation-delay: calc(0.1s + var(--i, 0) * 0.12s), 0.6s;
  }
}

.heros__accroche {
  max-width: 36rem;
  margin: 0 0 2.25rem;
  color: var(--texte-secondaire);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.3rem);
  animation: monter 0.9s var(--courbe) 0.34s both;
}

.heros__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: monter 0.9s var(--courbe) 0.46s both;
}

.heros__visuel {
  width: min(100%, 30rem);
  justify-self: center;
  animation: apparaitre 1.4s var(--courbe) 0.25s both;
}

.heros__visuel img {
  width: 100%;
  filter: drop-shadow(0 30px 60px rgb(91 61 245 / 0.35));
  animation: flotter 7s ease-in-out infinite alternate;
}

.plateformes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  max-width: var(--largeur);
  margin: clamp(3rem, 7vw, 5rem) auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bordure);
}

.plateformes__libelle {
  margin: 0;
  color: var(--texte-secondaire);
  font-size: 0.9rem;
}

.plateformes__liste {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plateformes__liste li {
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--bordure-forte);
  border-radius: 999px;
  color: var(--texte);
  font-family: var(--police-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: monter 0.7s var(--courbe) both;
  animation-delay: calc(0.7s + var(--i, 0) * 0.06s);
  transition: border-color 0.25s, background-color 0.25s;
}

.plateformes__liste li:hover {
  border-color: rgb(164 147 255 / 0.6);
  background: rgb(164 147 255 / 0.1);
}

/* Sections. */
.section {
  position: relative;
  padding: clamp(4.5rem, 10vw, 8rem) var(--gouttiere);
  scroll-margin-top: 3.5rem;
}

.heros {
  scroll-margin-top: 3.5rem;
}

.section__interieur {
  max-width: var(--largeur);
  margin: 0 auto;
}

.section__entete {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__titre {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 1.1rem + 3.8vw, 3.9rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.section__intro {
  margin: 0;
  color: var(--texte-secondaire);
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.2rem);
}

.grille {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.grille > li,
.liste-services > li {
  display: flex;
}

@media (min-width: 40rem) {
  .grille--jeux {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .grille--jeux,
  .grille--valeurs {
    grid-template-columns: repeat(3, 1fr);
  }

  .heros__interieur {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* Cartes : relief et halo qui suit le pointeur au survol. */
.carte {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  background: var(--surface);
  transition: transform 0.5s var(--courbe), border-color 0.3s, box-shadow 0.5s var(--courbe);
}

.carte::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(26rem circle at var(--x, 50%) var(--y, 0%), rgb(164 147 255 / 0.14), transparent 45%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}

.carte > * {
  position: relative;
}

.carte:hover {
  transform: translateY(-6px);
  border-color: var(--bordure-forte);
  box-shadow: 0 30px 60px -30px rgb(0 0 0 / 0.9), 0 0 0 1px rgb(164 147 255 / 0.18);
}

.carte:hover::before {
  opacity: 1;
}

.carte__visuel {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  border-bottom: 1px solid var(--bordure);
  background: var(--surface-haute);
}

.carte__visuel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--courbe);
}

.carte:hover .carte__visuel img {
  transform: scale(1.05);
}

.carte__corps {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 1.5rem 1.6rem;
}

.carte__titre {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.carte__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  order: -1;
  margin: 0;
}

.pastille {
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--bordure-forte);
  border-radius: 999px;
  color: var(--texte-secondaire);
  font-family: var(--police-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pastille--statut {
  border-color: rgb(164 147 255 / 0.4);
  background: rgb(164 147 255 / 0.12);
  color: var(--texte);
}

.carte__texte {
  margin: 0;
  color: var(--texte-secondaire);
}

.carte__pied {
  margin: auto 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--bordure);
  color: var(--texte-secondaire);
  font-size: 0.9rem;
}

/* Applications. */
.applications__disposition {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.applications__visuel {
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 1px solid var(--bordure);
  border-radius: calc(var(--rayon) * 1.5);
  background:
    radial-gradient(30rem 20rem at 20% 0%, rgb(91 61 245 / 0.22), transparent 70%),
    radial-gradient(24rem 18rem at 100% 100%, rgb(15 181 166 / 0.16), transparent 70%),
    var(--surface);
}

.applications__visuel img {
  width: 100%;
}

.liste-services {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.carte--service .carte__corps {
  padding-left: 4.25rem;
}

.carte--service .carte__corps::before {
  content: "";
  position: absolute;
  top: 1.6rem;
  left: 1.5rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 0.5rem;
  background: var(--degrade);
  opacity: 0.9;
  transition: transform 0.5s var(--courbe);
}

.carte--service:hover .carte__corps::before {
  transform: rotate(45deg) scale(0.9);
}

@media (min-width: 60rem) {
  .applications__disposition {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }
}

/* Studio. */
.section--studio {
  background: linear-gradient(180deg, transparent, rgb(255 255 255 / 0.025) 18%, rgb(255 255 255 / 0.025) 82%, transparent);
}

.studio__disposition {
  display: grid;
  gap: 2.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.studio__texte p {
  margin: 0 0 1.25rem;
  color: var(--texte-secondaire);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
}

.studio__texte p:first-child {
  color: var(--texte);
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.chiffres {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-self: start;
  margin: 0;
}

.chiffre {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 0.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bordure-forte);
}

.chiffre__valeur {
  margin: 0;
  color: var(--texte);
  font-size: clamp(2.4rem, 1.8rem + 2.6vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.045em;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .chiffre__valeur {
    background: var(--degrade);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.chiffre__libelle {
  color: var(--texte-secondaire);
  font-size: 0.95rem;
  line-height: 1.35;
}

@media (min-width: 48rem) {
  .grille--valeurs {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 60rem) {
  .studio__disposition {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
  }
}

/* Contact. */
.contact__carte {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 7vw, 5.5rem) clamp(1.25rem, 5vw, 4rem);
  border: 1px solid var(--bordure-forte);
  border-radius: calc(var(--rayon) * 1.75);
  background:
    radial-gradient(50rem 26rem at 0% 0%, rgb(91 61 245 / 0.32), transparent 60%),
    radial-gradient(36rem 26rem at 100% 100%, rgb(15 181 166 / 0.2), transparent 60%),
    var(--surface);
  text-align: center;
}

.contact__titre {
  max-width: 18ch;
  margin-inline: auto;
  font-size: clamp(2.25rem, 1rem + 5vw, 5rem);
}

.contact__texte {
  max-width: 38rem;
  margin: 0 auto 2.25rem;
  color: var(--texte);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
}

.contact__autres {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2.5rem;
  margin: 2.5rem 0 0;
}

.contact__autres dt {
  color: var(--texte-secondaire);
  font-family: var(--police-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact__autres dd {
  margin: 0.25rem 0 0;
  overflow-wrap: anywhere;
}

/* Pied de page. */
.pied {
  padding: 2rem var(--gouttiere) 2.5rem;
  border-top: 1px solid var(--bordure);
}

.pied__interieur {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  max-width: var(--largeur);
  margin: 0 auto;
  color: var(--texte-secondaire);
  font-size: 0.9rem;
}

.pied p {
  margin: 0;
}

/* Apparitions au défilement : main.js ajoute .avec-motion seulement quand le motion est permis. */
.avec-motion [data-apparition] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--courbe), transform 0.8s var(--courbe);
  transition-delay: calc(var(--i, 0) * 0.09s);
}

.avec-motion [data-apparition].est-visible {
  opacity: 1;
  transform: none;
}

/* À l'impression, tout s'affiche, même ce qui n'est jamais entré dans la fenêtre. */
@media print {
  .avec-motion [data-apparition] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@keyframes monter {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
}

@keyframes apparaitre {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
}

@keyframes flotter {
  from {
    transform: translateY(-10px) rotate(-1deg);
  }
  to {
    transform: translateY(10px) rotate(1deg);
  }
}

@keyframes deriver {
  to {
    transform: translate3d(4rem, 3rem, 0) scale(1.15);
  }
}

@keyframes miroiter {
  from {
    background-position: 100% 0;
  }
  to {
    background-position: 0 0;
  }
}

@keyframes pulser {
  70%,
  100% {
    box-shadow: 0 0 0 0.6rem rgb(124 227 216 / 0);
  }
}

/* Mouvement réduit : ni animation, ni transition, ni déplacement au survol. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .avec-motion [data-apparition] {
    opacity: 1;
    transform: none;
  }

  .carte:hover,
  .bouton:hover,
  .bouton:hover .icone,
  .carte:hover .carte__visuel img,
  .marque:hover::before,
  .carte--service:hover .carte__corps::before {
    transform: none;
  }
}