* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  /* optionnel pour éviter sélection du texte sur mobile */
}

:root {
  --bg: #000;
  --panel-bg: rgba(255, 255, 255, 0.025);
  --panel-border: rgba(255, 255, 255, 0.06);
  --accent: #4898ff;
  --soft-white: rgba(255, 255, 255, 0.92);
  --glass-blur: 10px;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: #FFFFFF;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- GLASS BASE (appliqué aux éléments demandés) ---------- */
.glass {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.65), 0 1px 0 rgba(255, 255, 255, 0.02) inset;
}

/* ---------- HEADER / NAVBAR (glass, flottante, légèrement décallée) ---------- */
header {
  /* garde la structure existante */
  position: fixed;
  width: calc(100% - 40px);
  /* laisse un petit espace latéral */
  left: 20px;
  right: 20px;
  top: 12px;
  /* décalée légèrement du haut */
  z-index: 1000;
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;

  /* STYLE LIQUID GLASS EXACT (PORTAGE 1:1) */
  border-radius: 19.32px;
  isolation: isolate;
  box-shadow: 0px 6px 24px rgba(0, 0, 0, 0.2), 0 0 5px rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: none;
}

header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 19.32px;
  backdrop-filter: blur(6px) saturate(220%) brightness(1.2);
  -webkit-backdrop-filter: blur(6px) saturate(220%) brightness(1.2);
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.1) 45%, rgba(255, 255, 255, 0.03) 100%);
  background-size: 200% 200%;
  animation: glassShine 8s ease-in-out infinite;
  box-shadow: inset 0 0 15px -5px #000000, inset 0 0 12px rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

header::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 19.32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 40%);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  filter: url(#glass-distortion);
  -webkit-filter: url(#glass-distortion);
  pointer-events: none;
}

/* Ensure content sits above the glass layers */
header>* {
  position: relative;
  z-index: 1;
}

header:active,
header:focus-within {
  transform: none;
  /* Désactivation des effets de mouvement si non désirés, mais gardons structure */
}

.burger-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo img {
  height: 40px;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.burger-icon {
  position: relative;
  width: 30px;
  height: 25px;
  cursor: pointer;
  display: none;
  /* cacher par défaut en desktop */
  flex-direction: column;
  justify-content: space-between;
}

.burger-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: white;
  border-radius: 2px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.burger-icon span:nth-child(1) {
  top: 0;
}

.burger-icon span:nth-child(2) {
  top: 8px;
}

.burger-icon span:nth-child(3) {
  top: 16px;
}

.burger-icon.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 8px;
}

.burger-icon.active span:nth-child(2) {
  opacity: 0;
}

.burger-icon.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 8px;
}

/* menu */
.burger-menu {
  display: flex;
  flex-direction: row;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 12px;
  align-items: center;
}

.burger-menu li {
  margin: 0 10px;
}

.burger-menu a,
.burger-menu select {
  color: white;
  text-decoration: none;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
}

.lang-switch {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 6px 8px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  backdrop-filter: blur(6px);
}

.lang-switch:hover {
  background: rgba(255, 255, 255, 0.02);
}

.burger-menu li a {
  white-space: nowrap;
}

@media (max-width: 768px) {
  header {
    width: calc(100% - 28px);
    left: 14px;
    right: 14px;
    padding: 12px 16px;
  }

  .burger-icon {
    display: block;
  }

  .burger-menu {
    display: none;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.78));
    position: absolute;
    top: 70px;
    right: 0;
    width: 250px;
    padding: 1rem;
    z-index: 1000;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  }

  .burger-menu.show {
    display: flex;
  }

  .burger-menu li {
    margin: 10px 0;
  }
}

/* ---------- HERO ---------- */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  position: relative;
  padding: 100px 20px 40px;
  overflow: hidden;
}

/* GLASS EFFECT REMOVED FROM HERE */
.hero.glass {
  width: min(1100px, 94%);
  margin: 0 auto;
  padding: 80px 48px;
  border-radius: 18px;
  /* Removed glass properties: background, border, backdrop-filter, box-shadow */
  z-index: 2;
}

/* Texte hero : desktop et mobile */
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  margin-bottom: 30px;
  z-index: 1;
  color: var(--soft-white);
  text-shadow: 0 2px 30px rgba(72, 152, 255, 0.06);
}

.desktop-text {
  display: inline;
}

.mobile-text {
  display: none;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .desktop-text {
    display: none;
  }

  .mobile-text {
    display: inline;
  }

  .hero.glass {
    padding: 36px 20px;
    border-radius: 12px;
  }
}

.hero button {
  background-color: var(--accent);
  color: #fff;
  border: none;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  margin-top: 20px;
  z-index: 1;
  box-shadow: 0 8px 30px rgba(72, 152, 255, 0.12);
}

.hero button:hover {
  transform: scale(1.05) rotateX(5deg);
  box-shadow: 0 0 15px #4898ff, 0 0 30px #4898ff inset;
}

.stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: transparent;
  pointer-events: none;
}

section {
  padding: 100px 40px;
  max-width: 1200px;
  margin: auto;
}

/* Section-flex garde la dispo */
.section-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 100px;
}

.section-flex.reverse {
  flex-direction: row-reverse;
}

.section-image {
  flex: 1 1 45%;
}

.section-image img {
  width: 100%;
  border-radius: 10px;
}

/* GLASS EFFECT REMOVED FROM HERE */
.section-text {
  flex: 1 1 50%;
  padding: 28px;
  border-radius: 14px;
  /* Removed glass properties */
}

h2 {
  color: var(--accent);
  margin-bottom: 20px;
  font-size: 2rem;
}

p,
li {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 15px;
  color: #e9eef8;
}

ul {
  padding-left: 20px;
}

footer {
  text-align: center;
  padding: 30px;
  background: #111;
  font-size: 14px;
}

a {
  color: #FFFFFF;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.burger-icon.not-active span {
  transform: none;
  opacity: 1;
}

/* GLASS EFFECT REMOVED FROM HERE */
section#roadmap,
section#createur,
section#contact {
  /* Removed glass properties */
  border-radius: 14px;
  padding: 54px 40px;
  margin: 40px auto 80px;
  max-width: 1100px;
}

section#roadmap h2,
section#createur h2,
section#contact h2 {
  margin-top: 0;
}

/* small responsiveness tweaks to keep layout identical but neat on small screens */
@media (max-width: 1024px) {
  .section-flex {
    gap: 24px;
  }

  .section-text {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 20px;
  }

  .section-image,
  .section-text {
    flex: 1 1 100%;
  }

  header {
    top: 10px;
  }
}

/* keep small visual affordances identical to original */
.active {
  color: var(--accent);
}

/* ---------- FULL SCREEN PC ---------- */
@media (min-width: 1025px) {
  .hero {
    width: 100vw;
    height: 100vh;
    padding: 0;
    /* optionnel, pour full-screen */
  }

  .hero.glass {
    width: 100%;
    max-width: none;
    margin: 0 auto;
    padding: 80px 48px;
    /* conserve padding interne */
  }

  section#roadmap,
  section#createur,
  section#contact {
    width: 100%;
    max-width: 1100px;
    /* limite la largeur pour que ce soit centré et lisible */
    margin: 40px auto 80px;
    /* centre horizontalement et ajoute un spacing vertical */
    padding: 54px 40px;
    /* garde padding interne */
    /* Removed glass properties */
    border-radius: 14px;
  }

  .section-flex {
    max-width: 100%;
  }
}

@keyframes glassShine {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* =========================================
   LIQUID GLASS SELECTION (Apple Style)
   ========================================= */

/* 1. Réactivation intelligente de la sélection pour le contenu */
body, p, h1, h2, h3, h4, h5, h6, li, span, div, a, section, article {
    user-select: text; /* Permet de sélectionner le texte */
    -webkit-user-select: text;
}

/* 2. Protection stricte : Navbar et Burger restent non-sélectionnables */
header, 
header *, 
.burger-container, 
.burger-container *, 
.burger-menu, 
.burger-menu *,
.logo,
.burger-icon {
    user-select: none !important;
    -webkit-user-select: none !important;
}

/* 3. L'effet Visuel "Liquid Blue" */
::selection {
    background: rgba(0, 113, 227, 0.35); /* Bleu Apple natif avec transparence "Verre" */
    color: #ffffff; /* Texte blanc pur */
    text-shadow: 0 0 12px rgba(0, 113, 227, 0.6); /* Micro-glow pour l'effet liquide */
}

/* Support Firefox */
::-moz-selection {
    background: rgba(0, 113, 227, 0.35);
    color: #ffffff;
    text-shadow: 0 0 12px rgba(0, 113, 227, 0.6);
}