/* BN Taher Holding - Main Stylesheet */

:root {
  --brand-prussian: #0a2c4f;
  --brand-light-blue: #add9e0;
  --brand-gold: #d3a35b;
  --brand-almond: #f1e1cd;
  --brand-dark: #051627;
  --brand-slate: #f8fafc;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'IBM Plex Sans Arabic', 'IBM Plex Sans', sans-serif;
  background: #ffffff;
  color: var(--brand-prussian);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hero Gradient Background */
.hero-gradient {
  background: radial-gradient(circle at top right, rgba(241, 225, 205, 0.2), transparent 40%),
              radial-gradient(circle at bottom left, rgba(173, 217, 224, 0.05), transparent 40%);
}

/* Header Styles */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  box-shadow: 0 4px 20px -5px rgba(10, 44, 79, 0.15);
}

.header-logo {
  height: 64px;
  width: auto;
  object-fit: contain;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

header.scrolled .header-logo {
  height: 48px;
}

/* Navigation Links */
.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-prussian);
  opacity: 0.7;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--brand-gold);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.active-link::after {
  width: 100%;
}

.nav-link:hover,
.active-link {
  opacity: 1;
}

/* Premium Button */
.btn-premium {
  background: var(--brand-prussian);
  color: white;
  padding: 0.75rem 1.75rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(10, 44, 79, 0.2);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.btn-premium:hover {
  transform: translateY(-2px);
  background: var(--brand-gold);
  box-shadow: 0 8px 25px rgba(211, 163, 91, 0.25);
}

/* Mobile Menu */
#mobile-menu {
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu.open {
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  header {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (max-width: 768px) {
  .header-logo {
    height: 48px;
  }

  header.scrolled .header-logo {
    height: 40px;
  }
}

/* Utility Classes */
.text-brand-prussian {
  color: var(--brand-prussian);
}

.text-brand-gold {
  color: var(--brand-gold);
}

.text-brand-almond {
  color: var(--brand-almond);
}

.bg-brand-prussian {
  background-color: var(--brand-prussian);
}

.bg-brand-gold {
  background-color: var(--brand-gold);
}

.bg-brand-almond {
  background-color: var(--brand-almond);
}

.bg-brand-slate {
  background-color: var(--brand-slate);
}

.border-brand-gold {
  border-color: var(--brand-gold);
}

.border-brand-prussian {
  border-color: var(--brand-prussian);
}

/* Shadow Effects */
.shadow-soft {
  box-shadow: 0 10px 30px -10px rgba(10, 44, 79, 0.1);
}

.shadow-premium {
  box-shadow: 0 20px 50px -12px rgba(10, 44, 79, 0.15);
}

/* Border Radius */
.rounded-premium {
  border-radius: 1rem;
}

.rounded-super {
  border-radius: 2rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-in;
}

.animate-slide-up {
  animation: slideUp 0.5s ease-out;
}

/* Print Styles */
@media print {
  header,
  footer,
  .no-print {
    display: none;
  }
}