@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;600;700;800&display=swap');

/* ════════════════════════════════════════
   DESIGN SYSTEM — INNOVABYTE
   ════════════════════════════════════════ */
:root {
  --bg:       #000817;
  --bg-s:     rgba(4, 17, 31, 0.48);
  --blue:     #1a5cff;
  --blue-h:   #0047e0;
  --blue-lt:  #3b82f6;
  --white:    #ffffff;
  --g1:       #e2e8f0;
  --g2:       #8892a4;
  --g3:       rgba(255,255,255,0.06);
  --border:   rgba(255,255,255,0.07);
  --font:     'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --t:        0.25s;
  --max:      1080px;
  --nav-h:    54px;
}

/* ════════════════════════════════════════
   RESET & BASE
   ════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0; padding: 0;
}

/* Sélection de texte premium */
::selection {
  background: var(--blue);
  color: var(--white);
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #000814;
}
::-webkit-scrollbar-thumb {
  background: rgba(26,92,255,0.3);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--blue);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.65;
  color: var(--g1);
  background:
    radial-gradient(circle at 50% 32%, rgba(10, 54, 112, 0.72) 0%, rgba(4, 26, 58, 0.42) 28%, transparent 56%),
    radial-gradient(circle at 18% 18%, rgba(26, 92, 255, 0.16) 0%, transparent 28%),
    linear-gradient(90deg, #000814 0%, #03152c 48%, #000814 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html { font-size: 16px; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button,
input,
select,
textarea {
  font-family: var(--font);
}
button { cursor: pointer; border: none; background: none; }

/* ════════════════════════════════════════
   UTILITAIRES
   ════════════════════════════════════════ */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
.sec   { padding: 96px 0; position: relative; }
.sec-s {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.00)),
    rgba(4, 17, 31, 0.42);
  backdrop-filter: blur(2px);
}

/* ════════════════════════════════════════
   SPLASH SCREEN
   ════════════════════════════════════════ */
body.no-scroll { overflow: hidden; }

#splash-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
#splash-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.splash-content {
  position: relative;
  display: inline-block;
  overflow: hidden;
}
.splash-logo {
  width: 440px; /* Logo beaucoup plus grand, comme sur le Hero */
  max-width: 80vw; /* Rend le logo responsive sur mobile */
  height: auto;
  display: block;
}
.splash-scanner {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(26,92,255,0.0) 20%, 
    rgba(26,92,255,0.2) 60%, 
    rgba(255,255,255,0.6) 80%, 
    transparent 100%
  );
  mix-blend-mode: screen;
  animation: scanLaser 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards 0.2s;
}
@keyframes scanLaser {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ════════════════════════════════════════
   LOGO SVG COMPOSANT
   (réutilisé partout — navbar, hero, footer)
   ════════════════════════════════════════ */

/* Logo inline — l'icône i>> et le wordmark */
.logo-mark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-image {
  display: block;
  object-fit: contain;
  object-position: center;
}

.logo-image-nav {
  width: 96px;
  height: 46px;
}

.logo-image-footer {
  width: 96px;
  height: 60px;
}

.hero-logo {
  width: min(85%, 440px);
  height: auto;
  margin: 0 auto 32px; /* Centrage horizontal essentiel */
  display: block;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* SVG Icon dimensions selon le contexte */
.logo-mark .icon { display: block; }

/* Wordmark "InnovaByte" — fidèle au logo officiel */
.logo-mark .wordmark {
  font-family: var(--font);
  font-weight: 600;          /* "Innova" — semi-bold, arrondis nets */
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

/* "Byte" — dégradé bleu clair → bleu profond + poids 700 */
.logo-mark .wordmark b {
  font-weight: 700;
  background: linear-gradient(135deg, #5ba8ff 0%, #1a5cff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Taille navbar */
.logo-nav .icon       { width: 26px; height: 26px; }
.logo-nav .wordmark   { font-size: 1.05rem; }

/* Taille hero */
.logo-hero .icon      { width: 72px; height: 72px; }
.logo-hero .wordmark  { display: none; } /* affichage séparé en H1 */

/* Taille footer */
.logo-footer .icon     { width: 22px; height: 22px; }
.logo-footer .wordmark { font-size: 0.95rem; }

/* ════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 999;
  background: rgba(0, 8, 23, 0.72);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.navbar .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  transition: color var(--t) var(--ease);
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  font-size: 0.78rem !important;
  padding: 7px 18px;
  border-radius: 100px;
  border: none;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease) !important;
  cursor: pointer;
  font-family: var(--font);
}
.nav-cta:hover { background: var(--blue-h); transform: translateY(-1px); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 8px;
  padding-left: 20px;
  border-left: 1px solid var(--border);
}
.lang-switch button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  opacity: 0.4;
  filter: grayscale(100%);
  transition: all 0.25s var(--ease);
  display: flex;
  align-items: center;
}
.lang-switch button img {
  width: 22px;
  height: auto;
  border-radius: 2px;
}
.lang-switch button:hover { opacity: 0.8; filter: grayscale(30%); transform: scale(1.1); }
.lang-switch button.active { opacity: 1; filter: grayscale(0%); pointer-events: none; transform: scale(1.1); }

/* Menu Mobile (Burger) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

/* Hamburger mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--g2);
  border-radius: 2px;
  transition: all var(--t) var(--ease);
}

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 60px) 32px 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin: 0 auto;
}

/* Subtle premium hero background (CSS-based) */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient( circle at 30% 18%, rgba(26,92,255,0.06) 0%, rgba(26,92,255,0.02) 6%, transparent 25% ),
                    radial-gradient( circle at 70% 68%, rgba(58,140,255,0.03) 0%, transparent 30% ),
                    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.00) 40% );
  mix-blend-mode: overlay;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  from { transform: translateY(0px) scale(1); opacity: .95; }
  to   { transform: translateY(-6px) scale(1.01); opacity: .9; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

/* Animations d'entrée (Hero) */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-logo {
  animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.1s backwards;
}
.hero-slogan {
  animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.25s backwards !important;
}
.hero-desc {
  animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s backwards;
}
.hero-actions {
  animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.55s backwards;
}

/* H1 de marque */
/* H1 hero — même logique typographique que le logo */
.hero-name {
  font-family: var(--font);
  font-size: clamp(2.8rem, 7vw, 4.2rem);
  font-weight: 800;          /* stronger for brand presence */
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-top: 24px;
  margin-bottom: 16px;
}

/* "Byte" — dégradé bleu clair → bleu profond */
.hero-name b {
  font-weight: 700;
  background: linear-gradient(135deg, #5ba8ff 0%, #1a5cff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Slogan CAPITALES */
.hero-slogan {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--g2);
  margin-bottom: 28px;
}
.hero-slogan .s { color: var(--blue-lt); }

/* Description */
.hero-desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--g2);
  line-height: 1.75;
  max-width: 500px;
  margin: 0 auto 40px;
}

/* Strengthen hero title for premium feel */
.hero-name { font-weight: 700; }

/* CTA */
.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 34px;
  border-radius: 12px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-fill { background: var(--blue); color: var(--white); box-shadow: 0 4px 20px rgba(26,92,255,0.2); }
.btn-fill:hover { background: var(--blue-h); transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 30px rgba(26,92,255,0.4); }
.btn-ghost  { color: var(--g1); border: 1px solid var(--border); background: transparent; }
.btn-ghost:hover { border-color: rgba(255,255,255,0.22); color: var(--white); }
.btn svg { transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

/* ════════════════════════════════════════
   EN-TÊTES DE SECTION
   ════════════════════════════════════════ */
.sh { margin-bottom: 56px; }
.sh.c { text-align: center; }
.sh.c .sh-sub { margin: 0 auto; }

.sh-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-lt);
  margin-bottom: 12px;
}
.sh-title {
  font-size: clamp(1.9rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.022em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.sh-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--g2);
  line-height: 1.75;
  max-width: 500px;
}

/* ════════════════════════════════════════
   SERVICES
   ════════════════════════════════════════ */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.svc-card {
  padding: 44px 32px;
  background: rgba(4, 17, 31, 0.46);
  border-right: 1px solid var(--border);
  transition: all 0.4s var(--ease);
}
.svc-card:last-child { border-right: none; }
.svc-card:hover { 
  background: rgba(26,92,255,0.06); 
  box-shadow: inset 0 -20px 60px rgba(26,92,255,0.08); 
}

.svc-icon { color: var(--blue); margin-bottom: 20px; }

.svc-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.svc-card p {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--g2);
  line-height: 1.7;
}

/* ════════════════════════════════════════
   À PROPOS
   ════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-body p {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--g2);
  line-height: 1.8;
  margin-bottom: 18px;
}
.about-body p:last-child { margin-bottom: 0; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 28px;
}
.stat {
  padding-left: 16px;
  border-left: 2px solid var(--blue);
}
.stat-n {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-n em { font-style: normal; color: var(--blue); }
.stat-l {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--g2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ════════════════════════════════════════
   FORMATIONS
   ════════════════════════════════════════ */
.train-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.train-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.train-card:hover {
  transform: translateY(-6px);
  border-color: rgba(26,92,255,0.40);
  background: rgba(26,92,255,0.06);
  box-shadow: 0 16px 40px rgba(26,92,255,0.15);
}
.train-tag {
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--blue-lt);
  margin-bottom: 14px;
}
.train-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 10px;
}
.train-card p {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--g2);
  line-height: 1.68;
  flex: 1;
  margin-bottom: 20px;
}
.train-meta {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--g2);
  display: flex;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-bottom: 18px;
}
.train-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-lt);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--t) var(--ease), color var(--t) var(--ease);
  padding: 0;
}
.train-link:hover { gap: 9px; color: var(--blue); }

/* ════════════════════════════════════════
   DEVIS (formulaire seul)
   ════════════════════════════════════════ */
.form-box {
  max-width: 580px;
  margin: 0 auto;
}
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-group { margin-bottom: 14px; }
.f-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--g2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 7px;
}
.f-group input,
.f-group select,
.f-group textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--white);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
  padding: 11px 14px;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
  appearance: none;
  color-scheme: dark;
}
.f-group input:focus,
.f-group select:focus,
.f-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(26,92,255,0.06);
}
.f-group textarea { min-height: 100px; resize: vertical; }
.f-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892a4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.f-group select option {
  color: #eaf2ff;
  background: #071a34;
}
.f-group select option:disabled {
  color: #94a3b8;
}
.btn-send {
  width: 100%;
  margin-top: 8px;
  padding: 13px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
  background: var(--blue);
  border: none;
  font-family: var(--font);
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(26,92,255,0.2);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-send:hover { 
  background: var(--blue-h); 
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26,92,255,0.35);
}
.form-notice {
  margin-top: 14px;
  font-size: 0.82rem;
  font-weight: 500;
  text-align: center;
  display: none;
}
.form-notice.ok  { display: block; color: #34d399; }
.form-notice.err { display: block; color: #f87171; }
.form-secure {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--g2);
  margin-top: 14px;
  opacity: 0.8;
}
.form-trap {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 52px 0 28px;
  background: rgba(0, 8, 23, 0.30);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.f-brand p {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--g2);
  margin-top: 12px;
  max-width: 200px;
  line-height: 1.55;
}
.f-col h4 {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--white);
  margin-bottom: 18px;
}
.f-col li { margin-bottom: 10px; }
.f-col a {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--g2);
  transition: color var(--t) var(--ease);
}
.f-col a:hover { color: var(--white); }
.footer-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--g2);
}

/* ════════════════════════════════════════
   WHATSAPP
   ════════════════════════════════════════ */
.wa-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.10);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  z-index: 900;
  transition: all var(--t) var(--ease);
}
.wa-float:hover {
  background: #25d366;
  border-color: #25d366;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.28);
}
.wa-float svg { width: 22px; height: 22px; }

/* ════════════════════════════════════════
   ANIMATION AU SCROLL
   ════════════════════════════════════════ */
.anim {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.anim.on { opacity: 1; transform: none; }

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media (max-width: 960px) {
  .svc-grid {
    grid-template-columns: 1fr;
  }
  .svc-card { border-right: none; border-bottom: 1px solid var(--border); }
  .svc-card:last-child { border-bottom: none; }

  .train-grid { grid-template-columns: 1fr; gap: 16px; }
  .about-grid { grid-template-columns: 1fr; gap: 52px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .sec { padding: 72px 0; }
  .wrap { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex !important;
    flex-direction: column;
    align-items: flex-start;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(2,12,27,0.97);
    padding: 28px 24px 36px;
    gap: 22px;
    border-top: 1px solid var(--border);
    z-index: 998;
  }
  .nav-links.open a { font-size: 1rem; font-weight: 500; color: var(--g1); }
  .nav-cta { width: 100%; text-align: center; display: block; }

  .hero-name { font-size: 2.4rem; }
  .f-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bar { flex-direction: column; gap: 8px; text-align: center; }
}