/* ==========================================================
   KOPRAZ — 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-light: #EAF2FF;
  --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, 0.35);
  --k-shadow: 0 20px 45px rgba(11, 61, 145, 0.15);
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Cairo', 'Tajawal', 'Segoe UI', sans-serif;
  color: #1a2540;
  background: linear-gradient(180deg, #f4f9ff 0%, #eaf3ff 100%);
  margin: 0;
  overflow-x: hidden;
}

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; }

/* ---------- Fond cristallin animé ---------- */
.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%),
              #f4f9ff;
}

/* ---------- 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: linear-gradient(135deg, var(--k-blue), var(--k-blue-dark));
  color: #fff;
  box-shadow: 0 12px 30px rgba(46,156,255,0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(46,156,255,0.45); }
.btn-outline {
  background: rgba(255,255,255,0.6);
  border: 1.5px solid rgba(46,156,255,0.4);
  color: var(--k-blue-dark);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: #fff; transform: translateY(-3px); }
.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: rgba(255,255,255,0.75);
  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: 16px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.3rem; }
.brand .logo-mark {
  width: 44px; height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--k-blue), var(--k-blue-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.3rem; font-weight: 900;
  box-shadow: 0 8px 20px rgba(46,156,255,0.35);
}
.brand small { display: block; font-size: 0.65rem; font-weight: 600; color: #5c6b8a; letter-spacing: 1px; }

.main-nav { display: flex; gap: 6px; align-items: center; }
.main-nav a {
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  color: #2a3555;
  transition: all .2s;
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(46,156,255,0.12);
  color: var(--k-blue-dark);
}
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--k-blue-dark); cursor: pointer; }

/* ---------- Sélecteur de langue ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(46,156,255,0.1);
  border-radius: 999px;
  padding: 4px;
}
.lang-switch a {
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
  color: #4a5675;
  transition: all .2s;
}
.lang-switch a.active {
  background: linear-gradient(135deg, var(--k-blue), var(--k-blue-dark));
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  padding: 70px 0 40px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,156,255,0.12);
  color: var(--k-blue-dark);
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.7rem;
  line-height: 1.35;
  font-weight: 900;
  margin: 0 0 14px;
  color: #0d1b3d;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--k-blue), var(--k-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { font-size: 1.1rem; color: #4a5675; margin-bottom: 30px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.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: #fff;
  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); }
.mini-stats .stat-card small { color: #8a94ad; }

/* ---------- Stats bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
}
.stats-bar .stat {
  background: #fff;
  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-blue); margin-bottom: 10px; }
.stats-bar .stat b { display: block; font-size: 1.6rem; color: #0d1b3d; }
.stats-bar .stat span { color: #7a86a3; font-size: 0.9rem; }

/* ---------- Section headings ---------- */
.section { padding: 70px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 46px; }
.section-head .tag {
  display: inline-block;
  color: var(--k-blue);
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.section-head h2 { font-size: 2rem; font-weight: 900; color: #0d1b3d; margin: 0 0 10px; }
.section-head p { color: #6a748f; }

/* ---------- Services / Cards cristallines ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.crystal-card {
  background: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--k-radius-md);
  padding: 30px 24px;
  backdrop-filter: blur(10px);
  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: 58px; height: 58px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}
.crystal-card h3 { font-size: 1.15rem; margin: 0 0 10px; color: #10203f; }
.crystal-card p { color: #6a748f; font-size: 0.95rem; margin: 0; }

/* ---------- 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: #fff;
  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: linear-gradient(135deg, var(--k-blue), var(--k-purple)); }
.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-blue-dark);
  background: rgba(46,156,255,0.12);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

/* ---------- Testimonials ---------- */
.testi-card {
  background: rgba(255,255,255,0.8);
  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: #4a5675; 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: linear-gradient(135deg, var(--k-blue), var(--k-purple));
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--k-blue-dark), var(--k-blue));
  border-radius: var(--k-radius-lg);
  padding: 50px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 55px rgba(11,61,145,0.3);
}
.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: rgba(255,255,255,0.75);
  border-radius: var(--k-radius-md);
  padding: 30px;
  backdrop-filter: blur(10px);
  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(46,156,255,0.12);
  color: var(--k-blue-dark);
  display: flex; align-items: center; justify-content: center;
}
.form-card {
  background: #fff;
  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: #33405f; }
.form-control {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--k-radius-sm);
  border: 1.5px solid #e3e9f5;
  background: #f8fafd;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border .2s, box-shadow .2s;
}
.form-control:focus {
  outline: none;
  border-color: var(--k-blue);
  box-shadow: 0 0 0 4px rgba(46,156,255,0.12);
}
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-blue); }

/* ---------- 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: #fff; 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; }
}