/* ==========================================================================
   JIKKLO — style.css
   Variables, reset, typographie, layout et composants réutilisables.
   ========================================================================== */

:root {
  /* --- Couleurs officielles JIKKLO --- */
  --deep-navy: #071A2B;
  --navy: #0B2538;
  --turquoise: #12D9C5;
  --cyan: #27E0FF;
  --white: #FFFFFF;
  --light-bg: #F5F8FA;
  --dark-bg: #06131F;

  /* Dégradé d'accent (turquoise -> cyan), utilisé avec parcimonie */
  --accent-gradient: linear-gradient(120deg, var(--turquoise), var(--cyan));

  /* Texte */
  --text-primary: #FFFFFF;
  --text-secondary: #A9BCCB;
  --text-on-light: #0B2538;
  --text-on-light-secondary: #4A5E6E;

  /* Surfaces */
  --surface-card: rgba(255, 255, 255, 0.03);
  --surface-border: rgba(255, 255, 255, 0.08);

  /* Typographie */
  --font-display: 'Montserrat', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

  /* Rayons et ombres */
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 24px 60px -24px rgba(2, 8, 16, 0.6);
  --shadow-glow: 0 0 44px rgba(18, 217, 197, 0.22);

  /* Rythme */
  --container-width: 1160px;
  --section-padding: 7rem;
}

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--deep-navy);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* filet de sécurité anti scroll horizontal */
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Garantit que [hidden] l'emporte toujours, même sur des éléments dont une
   classe (ex. .social-btn, .card) déclare son propre "display". Sans cette
   règle, un élément masqué en attendant sa configuration (réseau social,
   WhatsApp, etc. — voir js/main.js et js/contact.js) pouvait rester visible. */
[hidden] {
  display: none !important;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
}

::selection {
  background: rgba(18, 217, 197, 0.3);
  color: #fff;
}

/* Focus clavier visible partout — accessibilité */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--turquoise);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: var(--section-padding) 0;
}

.section-alt {
  background: var(--dark-bg);
}

.section-light {
  background: var(--light-bg);
  color: var(--text-on-light);
}
.section-light h1, .section-light h2, .section-light h3 {
  color: var(--text-on-light);
}
.section-light p {
  color: var(--text-on-light-secondary);
}

/* --- Typographie utilitaire --- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--turquoise);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--turquoise);
}

.section-title {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  margin-top: 14px;
  max-width: 720px;
}

.section-lead {
  margin-top: 20px;
  max-width: 640px;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.section-light .section-lead { color: var(--text-on-light-secondary); }

.text-accent { color: var(--turquoise); }

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s, background 0.3s, border-color 0.3s;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--turquoise);
  color: var(--deep-navy);
}
.btn-primary:hover {
  background: var(--cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--white);
}
.btn-secondary:hover {
  border-color: rgba(18, 217, 197, 0.5);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.btn-block { width: 100%; }

.icon-16 { width: 16px; height: 16px; }
.icon-18 { width: 18px; height: 18px; }
.icon-20 { width: 20px; height: 20px; }
.icon-22 { width: 22px; height: 22px; }

/* --- Cartes --- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(6px);
  transition: border-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}
.card:hover {
  border-color: rgba(18, 217, 197, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -30px rgba(18, 217, 197, 0.18);
}

.icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: rgba(18, 217, 197, 0.12);
  color: var(--turquoise);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-badge.solid {
  background: var(--turquoise);
  color: var(--deep-navy);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-soon {
  background: rgba(39, 224, 255, 0.12);
  color: var(--cyan);
  border: 1px solid rgba(39, 224, 255, 0.3);
}
.badge-live {
  background: rgba(18, 217, 197, 0.14);
  color: var(--turquoise);
  border: 1px solid rgba(18, 217, 197, 0.32);
}

/* --- Grilles utilitaires --- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* --- Navbar --- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(7, 26, 43, 0);
  transition: background 0.35s ease, backdrop-filter 0.35s ease, box-shadow 0.35s ease;
}
.navbar.is-scrolled {
  background: rgba(7, 26, 43, 0.88);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.6);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-brand svg { height: 32px; width: auto; }

/* Emplacement du logo : accepte soit le monogramme SVG dessiné à la main
   (par défaut), soit une image PNG/JPG ajoutée par l'utilisateur dans
   assets/logo/ (voir js/main.js, fonction loadCustomLogo). */
.brand-logo-swap { display: flex; align-items: center; gap: 10px; }
.brand-logo-img { height: 34px; width: auto; display: block; border-radius: 4px; }
.footer-brand .brand-logo-img { height: 30px; }

/* Sélecteur de langue --------------------------------------------------- */
.lang-dropdown { position: relative; display: none; } /* visible seulement à partir du breakpoint desktop, voir responsive.css */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.lang-toggle:hover { border-color: rgba(18, 217, 197, 0.5); background: rgba(255, 255, 255, 0.06); }
.lang-toggle svg { width: 15px; height: 15px; flex-shrink: 0; }
.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 168px;
  background: rgba(6, 19, 31, 0.98);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 6px;
  box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
  z-index: 60;
}
.lang-dropdown.is-open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0s;
}
.lang-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 0.86rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.lang-menu button:hover { background: rgba(255, 255, 255, 0.06); color: var(--white); }
.lang-menu button.is-active { color: var(--turquoise); font-weight: 700; }

/* Rangée de langues dans le menu mobile (pas de dropdown, tout est visible) */
.lang-row-mobile {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.lang-row-mobile button {
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}
.lang-row-mobile button.is-active {
  border-color: rgba(18, 217, 197, 0.5);
  color: var(--turquoise);
  background: rgba(18, 217, 197, 0.08);
}

/* Badge de version + note de migration e-commerce, dans le footer */
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 0.72rem;
  color: var(--text-secondary);
}
.version-badge .tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--turquoise);
  border: 1px solid rgba(18, 217, 197, 0.4);
  border-radius: 999px;
  padding: 2px 9px;
}
.navbar-links {
  display: none;
  align-items: center;
  gap: 34px;
}
.navbar-links a {
  position: relative;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding-bottom: 4px;
  margin-right: 34px; /* filet de sécurité si "gap" flexbox n'est pas supporté */
  transition: color 0.2s ease;
}
.navbar-links a:last-child { margin-right: 0; }
.navbar-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--turquoise);
  transition: width 0.3s ease;
}
.navbar-links a:hover,
.navbar-links a[aria-current="page"] {
  color: var(--white);
}
.navbar-links a:hover::after,
.navbar-links a[aria-current="page"]::after {
  width: 100%;
}
.navbar-cta { display: none; }
.navbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  color: var(--white);
}

/* Menu mobile */
.mobile-menu {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  overflow: hidden;
  background: rgba(6, 19, 31, 0.98);
  backdrop-filter: blur(14px);
  transition:
    grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 0.35s;
}
.mobile-menu.is-open {
  grid-template-rows: 1fr;
  visibility: visible;
  transition:
    grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 0s;
}
.mobile-menu-inner { overflow: hidden; }
.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 24px 24px;
}
.mobile-menu a {
  display: block;
  padding: 14px 6px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.mobile-menu a:hover,
.mobile-menu a[aria-current="page"] {
  color: var(--white);
}
.mobile-menu .btn { margin-top: 16px; }

/* --- Footer --- */
.footer {
  background: var(--dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 28px;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.footer-brand svg { height: 30px; }
.footer-tagline {
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--turquoise);
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--white); }

.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}
.social-btn:hover {
  border-color: rgba(18, 217, 197, 0.5);
  color: var(--turquoise);
  transform: translateY(-3px);
}
.social-btn svg { width: 16px; height: 16px; }

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(169, 188, 203, 0.6);
}
.footer-bottom .legal-links { display: flex; gap: 16px; }
.footer-bottom .legal-links a { color: rgba(169, 188, 203, 0.6); }
.footer-bottom .legal-links a:hover { color: var(--white); }

/* --- Formulaire de contact --- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-field input,
.form-field textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--white);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(169, 188, 203, 0.55);
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--turquoise);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}
.form-field.has-error input,
.form-field.has-error textarea {
  border-color: #ff6b6b;
}
.field-error {
  font-size: 0.78rem;
  color: #ff8a8a;
  display: none;
}
.form-field.has-error .field-error { display: block; }

.form-status {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.success {
  background: rgba(18, 217, 197, 0.1);
  border: 1px solid rgba(18, 217, 197, 0.3);
  color: var(--white);
}

/* --- Timeline --- */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 56px;
}
.timeline-item { position: relative; }
.timeline-num {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(18, 217, 197, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--turquoise);
}
.timeline-head { display: flex; align-items: center; gap: 12px; }
.timeline-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--turquoise);
}
.timeline-item h3 { margin-top: 16px; font-size: 1.2rem; }
.timeline-item p { margin-top: 8px; color: var(--text-secondary); }

/* --- Utilitaires génériques --- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.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;
}

/* --- Skip link (accessibilité clavier) --- */
.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  background: var(--turquoise);
  color: var(--deep-navy);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  z-index: 200;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }