/* ==========================================================
   KOPRAX — Identité visuelle "Crystal" — Site public
   ========================================================== */

:root {
  --k-blue: #2E9CFF;
  --k-blue-dark: #0B3D91;
  --k-purple: #7B5CFA;
  --k-teal: #17D3A2;
  --k-pink: #FF3D9A;
  --k-orange: #FFA726;
  --k-dark: #0B1220;
  --k-navy: #0E1A33;
  --k-text: #1a2540;
  --k-text-muted: #6a748f;
  --k-bg: #f4f9ff;
  --k-card-bg: #ffffff;
  --k-radius-lg: 28px;
  --k-radius-md: 20px;
  --k-radius-sm: 14px;
  --k-glass-bg: rgba(255, 255, 255, 0.65);
  --k-glass-border: rgba(255, 255, 255, 0.5);
  --k-shadow: 0 20px 45px rgba(11, 61, 145, 0.15);
  --k-gradient: linear-gradient(135deg, var(--k-blue) 0%, var(--k-purple) 100%);
  font-size: 16px;
}

html.dark-mode {
  --k-text: #eaf1ff;
  --k-text-muted: #9aabce;
  --k-bg: #0B1220;
  --k-card-bg: #121b30;
  --k-glass-bg: rgba(18, 27, 48, 0.75);
  --k-glass-border: rgba(255, 255, 255, 0.08);
  --k-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

body {
  font-family: 'Cairo', 'Tajawal', 'Segoe UI', sans-serif;
  color: var(--k-text);
  background: var(--k-bg);
  margin: 0;
  overflow-x: hidden;
  transition: background .3s ease, color .3s ease;
}

body[dir="rtl"] { text-align: right; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }

/* ---------- Fond cristallin ---------- */
.crystal-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at 15% 20%, rgba(46,156,255,0.18), transparent 40%),
              radial-gradient(circle at 85% 10%, rgba(123,92,250,0.15), transparent 45%),
              radial-gradient(circle at 50% 90%, rgba(23,211,162,0.12), transparent 40%),
              var(--k-bg);
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
  font-size: 1rem;
}
.btn-primary {
  background: var(--k-gradient);
  color: #fff;
  box-shadow: 0 12px 30px rgba(123,92,250,0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(123,92,250,0.45); }
.btn-outline {
  background: var(--k-card-bg);
  border: 1.5px solid rgba(123,92,250,0.3);
  color: var(--k-blue-dark);
}
html.dark-mode .btn-outline { color: #eaf1ff; }
.btn-outline:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(46,156,255,0.15); }
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #fff;
  box-shadow: 0 12px 30px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover { transform: translateY(-3px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--k-glass-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(46,156,255,0.12);
}
.site-header .nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.3rem; color: var(--k-text); }
.brand .logo-mark {
  width: 44px; height: 44px;
  border-radius: 14px;
  background: var(--k-gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.3rem; font-weight: 900;
  box-shadow: 0 8px 20px rgba(123,92,250,0.35);
}
.brand-logo-img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; }
.brand small { display: block; font-size: 0.65rem; font-weight: 600; color: #8a94ad; letter-spacing: 1px; }

.main-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.main-nav a {
  padding: 9px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--k-text);
  opacity: 0.85;
  transition: all .2s;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(123,92,250,0.12);
  color: var(--k-purple);
  opacity: 1;
}
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--k-blue-dark); cursor: pointer; }

/* ---------- Bannière compacte (sous la navigation) ---------- */
.page-banner {
  position: relative;
  padding: 26px 0;
  display: flex; align-items: center;
  background: var(--k-gradient);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,61,145,0.82), rgba(123,92,250,0.72));
}
.banner-content { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; }
.banner-tag { background: rgba(255,255,255,0.18); color: #fff; margin-bottom: 8px; font-size: 0.75rem; padding: 5px 14px; }
.banner-title { font-size: 1.5rem; font-weight: 900; color: #fff; margin: 6px 0 4px; line-height: 1.3; }
.banner-subtitle { color: rgba(255,255,255,0.85); font-size: 0.85rem; max-width: 560px; margin: 0 auto; }
@media (max-width: 720px) {
  .page-banner { padding: 20px 0; }
  .banner-title { font-size: 1.2rem; }
}

/* ---------- Toggle thème ---------- */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(123,92,250,0.2);
  background: var(--k-card-bg);
  color: var(--k-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all .2s;
}
.theme-toggle:hover { background: rgba(123,92,250,0.1); transform: rotate(15deg); }

/* ---------- Sélecteur de langue ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(123,92,250,0.1);
  border-radius: 999px;
  padding: 4px;
}
.lang-switch a {
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--k-text-muted);
  transition: all .2s;
}
.lang-switch a.active {
  background: var(--k-gradient);
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  padding: 60px 0 30px;
  position: relative;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(46,156,255,0.35), rgba(123,92,250,0.15) 60%, transparent 75%);
  filter: blur(6px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}
.hero::before { bottom: -80px; inset-inline-start: -80px; }
.hero::after { bottom: -60px; inset-inline-end: -60px; background: radial-gradient(circle at 30% 30%, rgba(23,211,162,0.3), rgba(46,156,255,0.12) 60%, transparent 75%); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(123,92,250,0.12);
  color: var(--k-purple);
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.35;
  font-weight: 900;
  margin: 0 0 14px;
  color: var(--k-text);
}
.hero h1 span {
  background: var(--k-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { font-size: 1.05rem; color: var(--k-text-muted); margin-bottom: 26px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }

/* ---------- Stats en ligne (hero) ---------- */
.hero-stats-inline { display: flex; gap: 28px; flex-wrap: wrap; }
.hero-stats-inline .hsi-item { display: flex; align-items: center; gap: 12px; }
.hero-stats-inline .hsi-icon {
  width: 44px; height: 44px;
  border-radius: 14px;
  background: rgba(123,92,250,0.12);
  color: var(--k-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.hero-stats-inline b { display: block; font-size: 1.05rem; color: var(--k-text); }
.hero-stats-inline span { color: var(--k-text-muted); font-size: 0.82rem; }

/* ---------- Visuel hero + cartes flottantes ---------- */
.hero-visual {
  position: relative;
  background: var(--k-glass-bg);
  border: 1px solid var(--k-glass-border);
  border-radius: var(--k-radius-lg);
  padding: 22px;
  box-shadow: var(--k-shadow);
  backdrop-filter: blur(14px);
}
.hero-visual .mock-topbar { display: flex; gap: 6px; margin-bottom: 16px; }
.hero-visual .mock-topbar span { width: 10px; height: 10px; border-radius: 50%; background: #d8e2f5; }
.mini-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 16px; }
.mini-stats .stat-card {
  background: var(--k-card-bg);
  border-radius: var(--k-radius-sm);
  padding: 14px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(11,61,145,0.08);
}
.mini-stats .stat-card b { display: block; font-size: 1.2rem; color: var(--k-blue-dark); }
html.dark-mode .mini-stats .stat-card b { color: #fff; }
.mini-stats .stat-card small { color: var(--k-text-muted); }

.floating-card {
  position: absolute;
  display: flex; align-items: center; gap: 10px;
  background: var(--k-glass-bg);
  border: 1px solid var(--k-glass-border);
  border-radius: 16px;
  padding: 12px 16px;
  box-shadow: 0 16px 34px rgba(11,61,145,0.14);
  backdrop-filter: blur(12px);
  max-width: 220px;
  z-index: 2;
  animation: float-bob 4.5s ease-in-out infinite;
}
.floating-card .fc-icon {
  width: 38px; height: 38px; min-width: 38px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
}
.floating-card b { display: block; font-size: 0.85rem; color: var(--k-text); }
.floating-card span { font-size: 0.72rem; color: var(--k-text-muted); line-height: 1.3; }
.fc-1 { top: -6%; inset-inline-start: -8%; animation-delay: 0s; }
.fc-2 { top: 18%; inset-inline-end: -10%; animation-delay: .6s; }
.fc-3 { bottom: 14%; inset-inline-start: -10%; animation-delay: 1.2s; }
.fc-4 { bottom: -6%; inset-inline-end: -6%; animation-delay: 1.8s; }
@keyframes float-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@media (max-width: 960px) { .floating-card { display: none; } }

/* ---------- Stats bar (section pleine largeur, ex: page À propos) ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
}
.stats-bar .stat {
  background: var(--k-card-bg);
  border-radius: var(--k-radius-md);
  padding: 26px 18px;
  text-align: center;
  box-shadow: 0 12px 30px rgba(11,61,145,0.08);
  transition: transform .25s;
}
.stats-bar .stat:hover { transform: translateY(-6px); }
.stats-bar .stat i { font-size: 1.8rem; color: var(--k-purple); margin-bottom: 10px; }
.stats-bar .stat b { display: block; font-size: 1.6rem; color: var(--k-text); }
.stats-bar .stat span { color: var(--k-text-muted); font-size: 0.9rem; }

/* ---------- Section headings ---------- */
.section { padding: 70px 0; position: relative; z-index: 1; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 46px; }
.section-head .tag {
  display: inline-block;
  color: var(--k-purple);
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 0.85rem;
  margin-bottom: 10px;
  background: rgba(123,92,250,0.1);
  padding: 6px 16px;
  border-radius: 999px;
}
.section-head h2 { font-size: 2rem; font-weight: 900; color: var(--k-text); margin: 0 0 10px; }
.section-head p { color: var(--k-text-muted); }

/* ---------- Services / Cards cristallines ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.crystal-card {
  background: var(--k-card-bg);
  border: 1px solid var(--k-glass-border);
  border-radius: var(--k-radius-md);
  padding: 30px 24px;
  box-shadow: 0 14px 34px rgba(11,61,145,0.08);
  transition: transform .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.crystal-card:hover { transform: translateY(-8px); box-shadow: 0 22px 45px rgba(11,61,145,0.16); }
.crystal-card .icon-badge {
  width: 54px; height: 54px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}
.crystal-card h3 { font-size: 1.12rem; margin: 0 0 10px; color: var(--k-text); }
.crystal-card p { color: var(--k-text-muted); font-size: 0.93rem; margin: 0 0 14px; }
.crystal-card .card-arrow {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(123,92,250,0.1);
  color: var(--k-purple);
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.crystal-card:hover .card-arrow { background: var(--k-gradient); color: #fff; transform: translateX(4px); }
[dir="rtl"] .crystal-card:hover .card-arrow { transform: translateX(-4px); }

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 26px;
}
.portfolio-card {
  border-radius: var(--k-radius-md);
  overflow: hidden;
  background: var(--k-card-bg);
  box-shadow: 0 14px 34px rgba(11,61,145,0.1);
  transition: transform .3s;
}
.portfolio-card:hover { transform: translateY(-6px); }
.portfolio-card .thumb { height: 190px; overflow: hidden; background: var(--k-gradient); }
.portfolio-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.portfolio-card .info { padding: 20px; }
.portfolio-card .badge-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--k-purple);
  background: rgba(123,92,250,0.12);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

/* ---------- Testimonials ---------- */
.testi-card {
  background: var(--k-card-bg);
  border-radius: var(--k-radius-md);
  padding: 28px;
  box-shadow: 0 14px 30px rgba(11,61,145,0.08);
}
.testi-card .stars { color: var(--k-orange); margin-bottom: 10px; }
.testi-card p { color: var(--k-text-muted); font-style: italic; }
.testi-card .author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.testi-card .author .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--k-gradient);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--k-gradient);
  border-radius: var(--k-radius-lg);
  padding: 50px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 55px rgba(123,92,250,0.3);
}
.cta-band h2 { font-size: 1.8rem; margin-bottom: 12px; }
.cta-band p { opacity: 0.9; margin-bottom: 26px; }

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.contact-info-card {
  background: var(--k-card-bg);
  border-radius: var(--k-radius-md);
  padding: 30px;
  box-shadow: 0 14px 34px rgba(11,61,145,0.08);
}
.contact-info-card .info-row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contact-info-card .info-row i {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 14px;
  background: rgba(123,92,250,0.12);
  color: var(--k-purple);
  display: flex; align-items: center; justify-content: center;
}
.form-card {
  background: var(--k-card-bg);
  border-radius: var(--k-radius-md);
  padding: 30px;
  box-shadow: 0 14px 34px rgba(11,61,145,0.08);
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 8px; font-size: 0.9rem; color: var(--k-text); }
.form-control {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--k-radius-sm);
  border: 1.5px solid rgba(123,92,250,0.15);
  background: var(--k-bg);
  color: var(--k-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border .2s, box-shadow .2s;
}
.form-control:focus {
  outline: none;
  border-color: var(--k-purple);
  box-shadow: 0 0 0 4px rgba(123,92,250,0.12);
}
textarea.form-control { resize: vertical; min-height: 130px; }

.alert {
  padding: 14px 20px;
  border-radius: var(--k-radius-sm);
  margin-bottom: 20px;
  font-weight: 600;
}
.alert-success { background: rgba(23,211,162,0.15); color: #0d7d5f; }
.alert-error { background: rgba(255,61,154,0.12); color: #b8195f; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--k-navy);
  color: #cdd8f0;
  padding: 60px 0 20px;
  margin-top: 60px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer-grid h4 { color: #fff; margin-bottom: 18px; font-size: 1rem; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul li a:hover { color: var(--k-blue); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #8794b8;
}
.social-icons { display: flex; gap: 10px; margin-top: 16px; }
.social-icons a {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.social-icons a:hover { background: var(--k-purple); }

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  inset-inline-end: 26px;
  z-index: 200;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 14px 30px rgba(37,211,102,0.4);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
  .main-nav { position: fixed; top: 76px; inset-inline-start: 0; width: 100%; background: var(--k-card-bg); flex-direction: column; padding: 16px; box-shadow: 0 10px 20px rgba(0,0,0,0.08); display: none; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats-inline { gap: 18px; }
}