/* ============================================================
   BIP-BOOP INFORMATIQUE — style.css
   Palette & variables : modifier ici pour tout changer
   ============================================================ */

:root {
  /* ── Couleurs principales ── */
  --bg:          #0e0e1a;       /* fond général (sombre bleu-nuit) */
  --bg-alt:      #14142a;       /* sections alternées */
  --bg-card:     #1c1c38;       /* fond des cartes */
  --border:      #2e2e58;       /* bordures */

  --accent1:     #ff6b6b;       /* rouge-corail vif */
  --accent2:     #ffd93d;       /* jaune arcade */
  --accent3:     #6bcff6;       /* bleu cyan rétro */
  --accent4:     #a29bfe;       /* violet doux */
  --accent5:     #55efc4;       /* vert menthe */

  --text:        #e8e6f0;       /* texte principal */
  --text-muted:  #9990bb;       /* texte secondaire */

  /* ── Typographie ── */
  --font-pixel:  'VT323', monospace;
  --font-body:   'Nunito', 'Calibri', 'Segoe UI', sans-serif;

  /* ── Tailles ── */
  --radius:      10px;
  --radius-lg:   16px;
  --max-w:       1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

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

a { color: var(--accent3); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent2); }

/* ============================================================
   NAVIGATION
   ============================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 14, 26, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-pixel);
  font-size: 2rem;
  color: var(--accent2);
  letter-spacing: 2px;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--accent1); }

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
}

nav ul a {
  font-family: var(--font-pixel);
  font-size: 1.3rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color .2s, background .2s;
}
nav ul a:hover {
  color: var(--accent2);
  background: rgba(255, 217, 61, 0.08);
}

.burger {
  display: none;
  background: none;
  border: none;
  color: var(--accent2);
  font-size: 1.6rem;
  cursor: pointer;
  margin-left: auto;
}

/* Menu mobile */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
  gap: .5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-pixel);
  font-size: 1.5rem;
  color: var(--text);
  padding: .4rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 40%, rgba(107, 207, 246, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 60%, rgba(162, 155, 254, 0.10) 0%, transparent 60%),
    var(--bg);
}

/* Effet scanlines rétro-CRT */
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

/* Logo block */
.logo-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.logo-placeholder {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 14px rgba(255, 217, 61, 0.25));
}

.logo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-title {
  font-family: var(--font-pixel);
  font-size: clamp(3rem, 10vw, 5.5rem);
  color: var(--accent2);
  letter-spacing: 4px;
  line-height: 1;
  text-shadow: 2px 2px 0 var(--accent1), 4px 4px 0 rgba(255,107,107,0.3);
}

.site-subtitle {
  font-family: var(--font-pixel);
  font-size: clamp(1.3rem, 4vw, 2rem);
  color: var(--accent3);
  letter-spacing: 6px;
  margin-top: 4px;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* ── Bouton principal ── */
.btn-primary {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 1.6rem;
  letter-spacing: 2px;
  color: var(--bg);
  background: var(--accent2);
  border: 2px solid var(--accent2);
  padding: .5rem 2rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s, box-shadow .2s;
  box-shadow: 4px 4px 0 var(--accent1);
}
.btn-primary:hover {
  background: var(--accent1);
  border-color: var(--accent1);
  color: #fff;
  box-shadow: 4px 4px 0 var(--accent2);
  transform: translate(-1px, -1px);
}
.btn-primary:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--accent1);
}

/* ============================================================
   SECTIONS COMMUNES
   ============================================================ */
.section {
  padding: 5rem 1.5rem;
}
.section-alt {
  background: var(--bg-alt);
}

.section-title {
  font-family: var(--font-pixel);
  font-size: clamp(2rem, 6vw, 3.2rem);
  color: var(--accent2);
  text-align: center;
  letter-spacing: 3px;
  margin-bottom: .6rem;
}

.section-intro {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1rem;
}

/* ============================================================
   CARTES PRESTATIONS
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.4rem 1.5rem;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}

/* Trait coloré en haut de chaque carte, couleur cyclique */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.card:nth-child(3n+1)::before { background: var(--accent1); }
.card:nth-child(3n+2)::before { background: var(--accent3); }
.card:nth-child(3n)::before   { background: var(--accent4); }

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent2);
  box-shadow: 0 8px 24px rgba(255, 217, 61, 0.08);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: .6rem;
  line-height: 1;
}

.card h3 {
  font-family: var(--font-pixel);
  font-size: 1.35rem;
  color: var(--accent3);
  letter-spacing: 1px;
  margin-bottom: .5rem;
}

.card p {
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================================
   TARIFS
   ============================================================ */
.tarifs-grid {
  max-width: 700px;
  margin: 0 auto 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tarif-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1.4rem;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
  gap: 1rem;
}
.tarif-item:last-child { border-bottom: none; }
.tarif-item:nth-child(odd) { background: rgba(255,255,255,0.02); }
.tarif-item:hover { background: rgba(107, 207, 246, 0.05); }

.tarif-label {
  font-size: .95rem;
  color: var(--text);
}
.tarif-price {
  font-family: var(--font-pixel);
  font-size: 1.3rem;
  color: var(--accent5);
  white-space: nowrap;
  letter-spacing: 1px;
}

.tarif-note {
  text-align: center;
  color: var(--text-muted);
  font-size: .9rem;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ============================================================
   FORMULAIRE DE CONTACT
   ============================================================ */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form-group label {
  font-family: var(--font-pixel);
  font-size: 1.2rem;
  color: var(--accent3);
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: .7rem 1rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: .7;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent3);
  box-shadow: 0 0 0 3px rgba(107, 207, 246, 0.12);
}

.contact-form .btn-primary {
  align-self: flex-start;
  margin-top: .5rem;
}

.form-success {
  display: none;
  text-align: center;
  color: var(--accent5);
  font-size: 1.1rem;
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--accent5);
  border-radius: var(--radius);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.form-success.visible { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.footer-brand {
  font-family: var(--font-pixel);
  font-size: 1.8rem;
  color: var(--accent2);
  letter-spacing: 2px;
}
.footer-info {
  color: var(--text-muted);
  font-size: .95rem;
}
.footer-copy {
  color: var(--border);
  font-size: .85rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 680px) {
  nav ul { display: none; }
  .burger { display: block; }

  .logo-block { flex-direction: column; gap: .8rem; }

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

  .tarif-item {
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
  }

  .contact-form .btn-primary { align-self: stretch; text-align: center; }
}

/* ============================================================
   ACCESSIBILITÉ — préférence reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   PAGE MENTIONS LÉGALES
   ============================================================ */
.legal-page {
  max-width: 760px;
  margin: 0 auto;
}

.legal-block {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.legal-block:last-of-type { border-bottom: none; }

.legal-block h2 {
  font-family: var(--font-pixel);
  font-size: 1.5rem;
  color: var(--accent3);
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.legal-block h3 {
  font-family: var(--font-pixel);
  font-size: 1.15rem;
  color: var(--accent4);
  letter-spacing: 1px;
  margin: 1.2rem 0 .5rem;
}

.legal-block p {
  color: var(--text-muted);
  font-size: .95rem;
  line-height: 1.8;
}

.legal-block strong { color: var(--text); }

.legal-back {
  margin-top: 1rem;
  font-family: var(--font-pixel);
  font-size: 1.2rem;
}

/* ============================================================
   HERO — logo vertical agrandi
   ============================================================ */
.logo-block {
  flex-direction: column;
  align-items: center;
  gap: .6rem;
}

.logo-placeholder {
  width: 160px;
  height: 160px;
}

/* ============================================================
   FORMULAIRE — champ téléphone & validation
   ============================================================ */
.field-hint {
  font-family: var(--font-body);
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0;
}

.form-error {
  display: none;
  color: var(--accent1);
  font-size: .9rem;
  margin-bottom: .5rem;
}
.form-error.visible { display: block; }

/* ============================================================
   ANTI-SPAM — honeypot (invisible pour les humains)
   ============================================================ */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  tabindex: -1;
}