/* === VARIABLES & RESET === */
:root {
  --bg-dark: #05060a;
  --bg-section: #0b0d13;
  --accent: #ffb400;
  --accent-soft: rgba(255, 180, 0, 0.2);
  --text-main: #f5f5f5;
  --text-muted: #a0a3b1;
  --border-soft: rgba(255, 255, 255, 0.08);
  --radius-lg: 18px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
  --transition-fast: 0.25s ease;
  --max-width: 1120px;
}

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

html, body {
  background: radial-gradient(circle at 0% 0%, #121528 0, #05060a 40%, #020308 100%);
  color: var(--text-main);
  font-family: "Advent Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  scroll-behavior: smooth;
}

/* === SECTIONS === */
section {
  padding: 4rem 1.25rem;
  scroll-margin-top: 90px;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 32rem;
  font-size: 0.95rem;
}

.section-bg {
  background: radial-gradient(circle at top, rgba(255,255,255,0.03), transparent 70%);
  border-radius: 36px;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  padding: 2.25rem 1.75rem;
}

/* === HEADER === */
header {
  position: fixed;
  top:0; left:0; right:0;
  z-index:100;
  backdrop-filter: blur(14px);
  background: rgba(2,3,10,0.88);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}

header.scrolled {
  background: #0b0d13cc;
  border-bottom-color: rgba(255,255,255,0.12);
  box-shadow: 0 18px 40px rgba(0,0,0,0.75);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: .75rem 1.25rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

/* === LOGO RESPONSIVE === */
.logo-svg {
  width: 230px;       /* PLUS GRAND SUR DESKTOP */
  max-width: 50vw;
}

.baseline {
  font-family:"Abel",sans-serif;
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--text-muted);
  text-transform:uppercase;
}

/* === NAV === */
nav {
  display:flex;
  align-items:center;
  gap:1rem;
  font-size:.85rem;
  text-transform:uppercase;
  letter-spacing:.12em;
}

nav a {
  position:relative;
  padding-bottom:.15rem;
}

nav a::after {
  content:"";
  position:absolute;
  left:0; bottom:0;
  height:2px;
  width:0;
  background:linear-gradient(90deg,var(--accent),#ff5e9f);
  transition:width var(--transition-fast);
}

nav a:hover::after,
nav a.active::after {
  width:100%;
}

.nav-cta {
  padding:.45rem .9rem;
  border-radius:999px;
  border:1px solid var(--accent);
  background:radial-gradient(circle at 0 0,var(--accent-soft),transparent 60%);
  font-size:.7rem;
  letter-spacing:.14em;
}

.nav-cta::after {
  content:"↗";
  margin-left:.3rem;
}

/* === BURGER MENU === */
.burger {
  display:none;
  width:32px; height:32px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.24);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

.burger-lines {
  width:16px; height:2px;
  background:white;
  position:relative;
  transition:transform .25s;
}

.burger-lines::before,
.burger-lines::after {
  content:"";
  position:absolute;
  width:16px; height:2px;
  background:white;
  left:0;
  transition:all .25s;
}

.burger-lines::before { top:-5px; }
.burger-lines::after { bottom:-5px; }

.burger.active .burger-lines {
  transform:rotate(45deg);
}
.burger.active .burger-lines::before {
  top:0; transform:rotate(-90deg);
}
.burger.active .burger-lines::after {
  bottom:0; opacity:0;
}

/* === NAV MOBILE (HIDDEN DESKTOP) === */
.nav-links {
  display:none;
}

/* === HERO === */
main { padding-top:80px; }

.hero {
  min-height:calc(100vh - 80px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:3rem 1.25rem 4rem;
  position:relative;
  overflow:hidden;
}

.hero-inner {
  max-width:var(--max-width);
  display:grid;
  grid-template-columns:3fr 2.5fr;
  gap:3rem;
  align-items:center;
}

.hero-glow {
  position:absolute;
  border-radius:50%;
  filter:blur(80px);
  opacity:.9;
  mix-blend-mode:screen;
}

.hero-glow-1 {
  width:420px; height:420px;
  background:rgba(255,180,0,0.35);
  top:-80px; left:-80px;
}
.hero-glow-2 {
  width:520px; height:520px;
  background:rgba(120,200,255,0.4);
  bottom:-140px; right:-120px;
}

.hero-text h1 {
  font-size:clamp(2.4rem,3.4vw + 1rem,4rem);
  line-height:1.05;
  text-transform:uppercase;
  margin-bottom:1.2rem;
}
.hero-text h1 span {
  background:linear-gradient(120deg,#ffb400,#ff5e9f,#7ad8ff);
  -webkit-background-clip:text;
  color:transparent;
}

.hero-subtitle {
  text-transform:uppercase;
  letter-spacing:.18em;
  color:var(--text-muted);
  margin-bottom:1rem;
}

.hero-lead {
  max-width:32rem;
  color:var(--text-muted);
  margin-bottom:1.6rem;
}

.hero-actions {
  display:flex;
  gap:.8rem;
}

.badge {
  border-radius:999px;
  padding:.3rem .75rem;
  font-size:.75rem;
  border:1px solid rgba(255,255,255,.14);
}

/* === SERVICES === */
.services-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.25rem;
}

.service-card {
  background:rgba(7,7,13,0.95);
  border-radius:var(--radius-lg);
  border:1px solid var(--border-soft);
  padding:1.4rem 1.2rem;
  transition:.25s;
}
.service-card:hover {
  transform:translateY(-6px);
  border-color:var(--accent);
  box-shadow:0 25px 60px rgba(0,0,0,0.6);
}

/* === IA GRID === */
.ia-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.25rem;
}

.ia-card {
  background:rgba(7,7,14,0.96);
  border-radius:var(--radius-lg);
  padding:1.3rem;
  border:1px solid var(--border-soft);
}

/* === ABOUT === */
.about-layout {
  display:grid;
  grid-template-columns:3fr 2fr;
  gap:2rem;
}

/* === FORMATIONS === */
.formations-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.25rem;
}

/* === CONTACT === */
.contact-grid {
  display:grid;
  grid-template-columns:3fr 2fr;
  gap:2rem;
}

input, textarea {
  width:100%;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.18);
  background:rgba(4,4,10,0.96);
  padding:.65rem .9rem;
  color:var(--text-main);
}

textarea {
  border-radius:16px;
  min-height:120px;
}

/* === TOP BUTTON === */
#scrollTopBtn {
  position:fixed;
  bottom:1.5rem; right:1.5rem;
  width:42px; height:42px;
  border-radius:999px;
  background:#090b14;
  border:1px solid rgba(255,255,255,0.35);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition:.3s;
}
#scrollTopBtn.visible {
  opacity:1;
  pointer-events:auto;
}

/* === TABLETTE === */
@media (max-width: 960px) {
  .logo-svg {
    width: 190px;  /* LOGO MOYEN */
  }

  .hero-inner {
    grid-template-columns:1fr;
  }

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

  .about-layout,
  .contact-grid,
  .ia-grid,
  .formations-grid {
    grid-template-columns:1fr;
  }
}

/* === MOBILE === */
@media (max-width: 720px) {

  .logo-svg {
    width: 140px; /* LOGO PLUS PETIT */
  }

  nav { display:none; }
  .burger { display:flex; }

  .nav-links {
    display:flex;
    position:fixed;
    inset:64px 1rem auto 1rem;
    border:1px solid rgba(255,255,255,.15);
    padding:1rem;
    border-radius:16px;
    background:#090b14f2;
    flex-direction:column;
    gap:.85rem;
    opacity:0;
    pointer-events:none;
    transform:translateY(-15px);
    transition:.25s;
  }
  .nav-links.open {
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }

  .services-grid {
    grid-template-columns:1fr;
  }
}



/* === OVERRIDES LOGO & NAV COLOR === */
.logo-svg {
  width: 320px;
  max-width: 55vw;
}

nav a {
  color: #ffffff !important;
}

.nav-cta {
  color: #ffffff !important;
}

@media (max-width: 960px) {
  .logo-svg {
    width: 260px;
  }
}

@media (max-width: 720px) {
  .logo-svg {
    width: 200px;
  }
}



/* === FIX LISIBILITÉ NAV + BOUTONS HERO === */

/* Limiter la couleur blanche de la nav au header uniquement */
header nav a {
  color: #ffffff;
}

/* Garder le bouton contact lisible */
header .nav-cta {
  color: #ffffff;
}

/* Boutons principaux dans le hero et le formulaire */
.btn-primary {
  color: #0b0b11 !important; /* texte sombre sur fond clair dégradé */
}

/* Bouton secondaire transparent */
.btn-ghost {
  color: #ffffff !important; /* texte blanc sur fond sombre */
}



/* === NAVIGATION MODERNE AVEC BOUTONS ORANGES === */

header nav a,
.nav-links a {
  background: linear-gradient(120deg, #ffb400, #ff8c00);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  color: #0b0b11 !important;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
  border: none;
  text-transform: uppercase;
}

/* Au survol : petit glow + légère élévation */
header nav a:hover,
.nav-links a:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(255, 180, 0, 0.45);
  background: linear-gradient(120deg, #ffc94b, #ff9f32);
}

/* Bouton Contact (plus visible) */
header .nav-cta,
.nav-links .nav-cta {
  background: linear-gradient(120deg, #ffd35b, #ff9500);
  color: #0b0b11 !important;
  padding: 0.55rem 1.2rem;
}

header .nav-cta:hover,
.nav-links .nav-cta:hover {
  box-shadow: 0 8px 18px rgba(255, 165, 0, 0.55);
  background: linear-gradient(120deg, #ffe28a, #ffa840);
}

/* On enlève totalement les anciens soulignements */
nav a::after,
.nav-links a::after {
  display: none !important;
}



/* === LISIBILITE BOUTONS HERO === */
.btn-primary {
  color: #0b0b11 !important;
}

.btn-ghost {
  color: #ffffff !important;
}



/* === BOUTON PRIMARY ORANGE ARRONDI === */
.btn-primary {
  background: linear-gradient(120deg, #ffb400, #ff8c00) !important;
  color: #0b0b11 !important;
  border-radius: 999px !important;
  padding: 0.9rem 1.6rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.08em !important;
  font-size: 0.9rem !important;
  box-shadow: 0 6px 14px rgba(255,180,0,0.45) !important;
  transition: transform .2s ease, box-shadow .25s ease !important;
}

.btn-primary:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 22px rgba(255,180,0,0.6) !important;
}



/* === NO UNDERLINE ANYWHERE FOR BUTTONS & NAV === */
.btn-primary,
.btn-ghost,
nav a,
.nav-links a,
.nav-cta {
  text-decoration: none !important;
}



/* === LOGO MORE TO THE LEFT === */
.logo-wrapper {
  margin-right: 1rem !important;
}



/* === CENTRAGE TEXTE BOUTONS & NAV === */
.btn-primary,
.btn-ghost,
header nav a,
.nav-links a,
.nav-cta {
  text-align: center !important;
  justify-content: center !important;
  display: inline-flex !important;
}

/* === ALIGNEMENT LOGO + BASELINE SUR UNE LIGNE === */
.logo-wrapper {
  display: flex !important;
  align-items: center !important;
  gap: 2rem !important;          /* plus d’espace entre logo et baseline */
  white-space: nowrap !important; /* évite le retour à la ligne */
}

/* Plus d’espace global dans le header */
.nav-inner {
  gap: 3rem !important;
}



/* === FLECHE RETOUR HAUT EN BLANC === */
#scrollTopBtn {
  color: #ffffff !important;
}



/* === LOGO ENCORE PLUS GROS (EN CONSERVANT LA MISE EN PAGE) === */
.logo-svg {
  width: 380px !important;   /* desktop */
  max-width: 60vw !important;
}

@media (max-width: 960px) {
  .logo-svg {
    width: 300px !important; /* tablette */
  }
}

@media (max-width: 720px) {
  .logo-svg {
    width: 230px !important; /* mobile */
  }
}

/* === COULEUR ORANGE POUR EMAIL & TEL DANS LE CONTACT === */
.contact-infos a {
  color: #ffb400 !important;
  font-weight: 600;
}



/* === FOOTER CENTRE === */
footer {
    text-align: center !important;
    width: 100%;
    display: block;
}



/* === LOGO ENCORE PLUS GROS === */
.logo-svg {
  width: 450px !important;   /* desktop */
  max-width: 65vw !important;
}

@media (max-width: 960px) {
  .logo-svg {
    width: 350px !important; /* tablette */
  }
}

@media (max-width: 720px) {
  .logo-svg {
    width: 260px !important; /* mobile */
  }
}

/* === ARRIÈRE-PLAN DÉGRADÉ SUR TOUTE LA PAGE === */
html, body {
  background: linear-gradient(135deg, #05060a 0%, #1a1d33 40%, #03040a 100%) !important;
}



/* === BOUTONS MÊME TAILLE (HAUTEUR UNIFORME) === */
.btn-primary,
.btn-ghost,
header nav a,
.nav-links a,
.nav-cta {
    height: 48px !important;
    line-height: 48px !important;
    padding: 0 1.4rem !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* === LOGO DECALE PLUS A GAUCHE === */
.logo-wrapper {
    margin-left: -20px !important;
}

/* Optionnel: réduire un peu l'espacement nav/logo pour éviter trop de vide */
.nav-inner {
    gap: 2rem !important;
}



/* === CORRECTION LISIBILITÉ NAV & HAUTEUR BOUTONS === */

/* Boutons nav : texte bien lisible et centré */
header nav a,
.nav-links a,
.nav-cta {
  color: #0b0b11 !important;                 /* texte foncé sur fond orange */
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 1.4rem !important;
  min-height: 46px !important;               /* hauteur cohérente */
  line-height: 1.2 !important;               /* pas de texte écrasé */
}

/* Boutons hero & formulaire : même logique, lisibles et harmonisés */
.btn-primary,
.btn-ghost {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 46px !important;
  padding: 0 1.6rem !important;
  line-height: 1.2 !important;
  font-weight: 600 !important;
}

/* Pas de soulignement jamais */
header nav a,
.nav-links a,
.nav-cta,
.btn-primary,
.btn-ghost {
  text-decoration: none !important;
}



/* === SHIFT HEADER CONTENT LEFT FOR BETTER TABLET NAV === */
.nav-inner {
    padding-left: 0.5rem !important;
    padding-right: 1rem !important;
    gap: 1.5rem !important;
}

.logo-wrapper {
    margin-left: 0 !important;    /* reset previous negative offset */
}

@media (max-width: 960px) {
    .nav-inner {
        padding-left: 0.25rem !important;
        gap: 1rem !important;
    }
}



/* === ANIMATION D'APPARITION DU HEADER === */
header {
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity 0.45s ease, transform 0.45s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

body.header-ready header {
  opacity: 1;
  transform: translateY(0);
}

/* === OPTIMISATION HEADER TABLETTE / MOBILE === */
@media (max-width: 960px) {
  header nav {
    display: none !important;      /* on cache la nav horizontale */
  }

  .burger {
    display: flex !important;      /* on affiche le burger */
  }

  .nav-inner {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
    gap: 1rem !important;
  }

  .logo-wrapper {
    gap: 1rem !important;
  }

  .logo-svg {
    max-width: 70vw !important;
  }

  .nav-links {
    display: flex !important;
    position: fixed;
    inset: 64px 1rem auto 1rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(5, 6, 14, 0.98);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    transform: translateY(-15px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}



/* === FLECHE RETOUR PLUS GROSSE === */
#scrollTopBtn {
  width: 58px !important;
  height: 58px !important;
  font-size: 1.9rem !important;
  line-height: 1 !important;
}



/* === OMBRE DOUCE + ANIMATION HEADER === */
header {
  opacity: 0;
  transform: translateY(-20px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55);
  transition:
    opacity 0.5s ease-out,
    transform 0.5s ease-out,
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

body.header-ready header {
  opacity: 1;
  transform: translateY(0);
}

header.scrolled {
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.75);
}



/* === SECTION RÉALISATIONS – BENTO GRID === */
#realisations {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.realisations-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 1.3rem;
}

.real-card {
  background: rgba(7,7,14,0.96);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.12);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-shadow: 0 18px 45px rgba(0,0,0,0.55);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.real-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 26px 60px rgba(0,0,0,0.7);
}

.real-card--wide {
  grid-column: span 2;
}

.real-card--tall {
  grid-row: span 2;
}

.real-image {
  position: relative;
  overflow: hidden;
  max-height: 210px;
}

.real-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.4s ease;
}

.real-card:hover .real-image img {
  transform: scale(1.06);
}

.real-content {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.real-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #0b0b11;
  background: linear-gradient(120deg, #ffb400, #ff8c00);
}

.real-title {
  font-size: 1rem;
  margin-top: 0.35rem;
}

.real-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.real-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* Tagline sous la barre de navigation */
.site-tagline {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.4rem 1.25rem 0.8rem;
  font-size: 0.85rem;
  text-align: left;
  color: var(--text-muted);
}

/* RESPONSIVE RÉALISATIONS */
@media (max-width: 960px) {
  .realisations-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .real-card--wide,
  .real-card--tall {
    grid-column: span 2;
    grid-row: span 1;
  }

  .site-tagline {
    text-align: center;
  }
}

@media (max-width: 720px) {
  .realisations-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .real-card--wide,
  .real-card--tall {
    grid-column: span 1;
  }
}