/* =========================================================
   WEBIB — Feuille de styles personnalisée
   Complément à TailwindCSS pour les éléments sur-mesure :
   typographies, animations, gradients, micro-interactions.
   ========================================================= */

/* ---------- Variables de design system ----------
   Palette alignée sur le logo Webib : dégradé bleu nuit → bleu vif,
   accent rose poudré rappelant la signature "EBIB". */
:root {
  --c-night:    #1E2D5B;   /* Bleu nuit (gauche du W) */
  --c-primary:  #2A6BC0;   /* Bleu principal vif (cœur du W) */
  --c-sky:      #4FA8E0;   /* Bleu lumineux (droite du W) */
  --c-rose:     #C8A89E;   /* Rose poudré (lettres EBIB) */
  --c-rose-soft:#F5E8E2;   /* Rose très clair (fond doux) */
  --c-white:    #FFFFFF;
  --c-cloud:    #F5F7FA;
  --c-ink:      #222222;

  --shadow-soft: 0 10px 30px -12px rgba(30, 45, 91, 0.12);
  --shadow-card: 0 20px 50px -20px rgba(30, 45, 91, 0.18);
  --shadow-glow: 0 30px 80px -25px rgba(42, 107, 192, 0.45);

  --radius-card: 1.25rem;
  --radius-pill: 999px;

  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--c-ink);
  background-color: var(--c-white);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6,
.font-display {
  font-family: 'Poppins', sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

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

/* ---------- Scrollbar personnalisée ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--c-cloud); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--c-primary), var(--c-night));
  border-radius: 999px;
}

/* =========================================================
   GRADIENTS DE MARQUE
   Reproduit la signature visuelle du logo : nuit → bleu lumineux.
   ========================================================= */
.gradient-text {
  background: linear-gradient(135deg, var(--c-night) 0%, var(--c-primary) 50%, var(--c-sky) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.gradient-brand {
  background: linear-gradient(135deg, var(--c-night) 0%, var(--c-primary) 55%, var(--c-sky) 100%);
}

.gradient-soft {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--c-cloud) 100%);
}

.gradient-night {
  background: linear-gradient(135deg, #15214A 0%, var(--c-night) 50%, #2A4A8C 100%);
}

/* Dégradé d'accent intégrant la signature rose */
.gradient-accent {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-sky) 70%, var(--c-rose) 100%);
}

/* Halo lumineux derrière le hero */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

/* =========================================================
   BOUTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast),
              color var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-night) 100%);
  color: var(--c-white);
  box-shadow: 0 12px 30px -10px rgba(42, 107, 192, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -10px rgba(42, 107, 192, 0.7);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--c-night);
  border-color: rgba(30, 45, 91, 0.18);
}
.btn-ghost:hover {
  background: var(--c-night);
  color: var(--c-white);
  border-color: var(--c-night);
}

.btn-light {
  background: var(--c-white);
  color: var(--c-night);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* Flèche animée dans les boutons */
.btn .arrow {
  transition: transform var(--transition-fast);
}
.btn:hover .arrow {
  transform: translateX(4px);
}

/* =========================================================
   CARTES
   ========================================================= */
.card {
  background: var(--c-white);
  border-radius: var(--radius-card);
  padding: 2rem;
  border: 1px solid rgba(30, 45, 91, 0.06);
  transition: transform var(--transition-medium),
              box-shadow var(--transition-medium),
              border-color var(--transition-medium);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(42, 107, 192, 0.18);
}

/* Carte service avec accent dégradé en haut */
.card-service {
  position: relative;
  overflow: hidden;
}
.card-service::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-sky));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-medium);
}
.card-service:hover::before {
  transform: scaleX(1);
}

/* Icône arrondie dans les cartes */
.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(42, 107, 192, 0.1) 0%, rgba(79, 168, 224, 0.15) 100%);
  color: var(--c-primary);
  margin-bottom: 1.25rem;
  transition: transform var(--transition-medium),
              background var(--transition-medium);
}
.card:hover .icon-wrap,
.card-service:hover .icon-wrap {
  transform: scale(1.08) rotate(-4deg);
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-night) 100%);
  color: var(--c-white);
}

/* =========================================================
   ANIMATIONS AU SCROLL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* =========================================================
   HEADER & NAVIGATION
   ========================================================= */
.site-header {
  transition: background-color var(--transition-medium),
              box-shadow var(--transition-medium),
              backdrop-filter var(--transition-medium);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(30, 45, 91, 0.06), var(--shadow-soft);
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--c-ink);
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-sky));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}
.nav-link:hover, .nav-link.active {
  color: var(--c-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--c-white);
  z-index: 60;
  transform: translateX(100%);
  transition: transform var(--transition-medium);
}
.mobile-menu.is-open {
  transform: translateX(0);
}

.hamburger {
  width: 26px;
  height: 18px;
  position: relative;
  cursor: pointer;
}
.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-night);
  border-radius: 2px;
  transition: transform var(--transition-fast),
              opacity var(--transition-fast),
              top var(--transition-fast);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }
.hamburger.is-active span:nth-child(1) { top: 8px; transform: rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { top: 8px; transform: rotate(-45deg); }

/* =========================================================
   FAQ ACCORDÉON
   ========================================================= */
.faq-item {
  border-bottom: 1px solid rgba(30, 45, 91, 0.1);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.5rem 0;
  text-align: left;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--c-night);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--c-primary); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-cloud);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  transition: transform var(--transition-medium),
              background var(--transition-fast);
}
.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--c-primary);
  color: var(--c-white);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium),
              padding var(--transition-medium);
  color: rgba(34, 34, 34, 0.78);
  font-size: 0.9875rem;
}
.faq-item.is-open .faq-answer {
  padding-bottom: 1.5rem;
}

/* =========================================================
   FORMULAIRES
   ========================================================= */
.form-field {
  position: relative;
  margin-bottom: 1.25rem;
}
.form-field label {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--c-night);
  margin-bottom: 0.5rem;
}
.form-field .required { color: var(--c-primary); }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--c-ink);
  background: var(--c-white);
  border: 1.5px solid rgba(30, 45, 91, 0.15);
  border-radius: 0.75rem;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(42, 107, 192, 0.12);
}
.form-textarea { resize: vertical; min-height: 140px; }

/* =========================================================
   PROCESSUS — TIMELINE
   ========================================================= */
.timeline-step {
  position: relative;
  padding-left: 4.5rem;
  padding-bottom: 3rem;
}
.timeline-step:last-child { padding-bottom: 0; }
.timeline-step::before {
  content: '';
  position: absolute;
  left: 1.5rem;
  top: 3.5rem;
  bottom: -0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--c-sky), rgba(79, 168, 224, 0.15));
}
.timeline-step:last-child::before { display: none; }

.timeline-number {
  position: absolute;
  left: 0; top: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-night));
  color: var(--c-white);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px -8px rgba(42, 107, 192, 0.5);
}

/* =========================================================
   MOCKUPS PORTFOLIO (cartes de réalisation)
   ========================================================= */
.mockup {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-cloud), #E8EDF7);
  aspect-ratio: 16 / 11;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium),
              box-shadow var(--transition-medium);
}
.realisation-card:hover .mockup {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}
.mockup-bar {
  height: 28px;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-bottom: 1px solid rgba(30, 45, 91, 0.06);
}
.mockup-bar i {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(30, 45, 91, 0.18);
}
.mockup-content {
  padding: 1.25rem;
  height: calc(100% - 28px);
  display: flex; flex-direction: column; gap: 0.5rem;
}
.mockup-line {
  height: 8px; border-radius: 4px;
  background: rgba(30, 45, 91, 0.12);
}
.mockup-line.accent { background: linear-gradient(90deg, var(--c-primary), var(--c-sky)); width: 40%; }
.mockup-line.short { width: 60%; }
.mockup-line.medium { width: 80%; }
.mockup-block {
  flex: 1;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(42, 107, 192, 0.12), rgba(79, 168, 224, 0.18));
  margin-top: 0.5rem;
}

/* =========================================================
   BADGES & PILLS
   ========================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.875rem;
  border-radius: 999px;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.8125rem;
  background: rgba(42, 107, 192, 0.08);
  color: var(--c-primary);
  border: 1px solid rgba(42, 107, 192, 0.18);
}
/* Le point pulsant reprend la teinte rose du logo —
   accent chaleureux et signature de marque. */
.badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-rose);
  box-shadow: 0 0 0 4px rgba(200, 168, 158, 0.28);
  animation: pulse 2s infinite;
}

/* Accent rose pour mises en valeur ponctuelles */
.text-rose-accent { color: var(--c-rose); }
.bg-rose-soft { background: var(--c-rose-soft); }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* =========================================================
   ANIMATIONS DECORATIVES
   ========================================================= */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(2deg); }
}
.float-soft { animation: float 6s ease-in-out infinite; }
.float-slow { animation: float 9s ease-in-out infinite; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -30px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}
.drift { animation: drift 14s ease-in-out infinite; }

/* =========================================================
   ACCESSIBILITÉ : préférence de mouvement réduit
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   UTILITAIRES MAISON
   ========================================================= */
.section-padding { padding-top: 6rem; padding-bottom: 6rem; }
@media (max-width: 768px) {
  .section-padding { padding-top: 4rem; padding-bottom: 4rem; }
}

.eyebrow {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 0.875rem;
}

.text-balance { text-wrap: balance; }
.text-pretty  { text-wrap: pretty; }

/* Liens texte */
.link-underline {
  color: var(--c-primary);
  font-weight: 500;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast);
}
.link-underline::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.link-underline:hover { color: var(--c-night); }
.link-underline:hover::after { transform: scaleX(0); transform-origin: right; }