:root {
  --color-gold: #C5A028;
  --color-gold-light: #E8C547;
  --color-gold-dark: #8B6914;
  --color-green: #1B4332;
  --color-green-light: #2D6A4F;
  --color-cream: #FAFAF7;
  --color-cream-dark: #F0EDE4;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Cairo', 'Inter', system-ui, sans-serif;
}

.font-latin {
  font-family: 'Inter', 'Cairo', system-ui, sans-serif;
}

/* Header scroll effect */
.header-scrolled {
  background: rgba(27, 67, 50, 0.97) !important;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

/* Hero gradient overlay */
.hero-gradient {
  background: linear-gradient(135deg, rgba(27, 67, 50, 0.92) 0%, rgba(45, 106, 79, 0.85) 50%, rgba(27, 67, 50, 0.95) 100%);
}

/* Gold accent line */
.gold-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold-light));
  border-radius: 2px;
}

/* Card hover */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(27, 67, 50, 0.12);
}

/* FAQ accordion */
.faq-item .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-item .faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* Language switcher */
.lang-btn.active {
  background: var(--color-gold);
  color: var(--color-green);
  font-weight: 700;
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 50;
  animation: pulse-wa 2s infinite;
}

[dir="ltr"] .whatsapp-float {
  left: auto;
  right: 24px;
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
}

/* Section reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Certificate badge */
.cert-badge {
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
  border: 1px solid rgba(197, 160, 40, 0.3);
}

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(197, 160, 40, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 80%, rgba(45, 106, 79, 0.30) 0%, transparent 55%),
    linear-gradient(160deg, #081C15 0%, #1B4332 45%, #0d2a1f 100%);
}

.preloader-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(232, 197, 71, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
}

.preloader-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 0 24px;
  text-align: center;
}

.preloader-logo-area {
  position: relative;
  width: 240px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-logo-area .ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 2px solid rgba(232, 197, 71, 0.4);
  animation: ring-pulse 2.8s ease-out infinite;
}

.preloader-logo-area .ring-1 {
  width: 160px; height: 160px;
  margin-top: -80px; margin-left: -80px;
  animation-delay: 0s;
}
.preloader-logo-area .ring-2 {
  width: 200px; height: 200px;
  margin-top: -100px; margin-left: -100px;
  animation-delay: 0.6s;
}
.preloader-logo-area .ring-3 {
  width: 240px; height: 240px;
  margin-top: -120px; margin-left: -120px;
  animation-delay: 1.2s;
}

@keyframes ring-pulse {
  0%   { transform: scale(0.7); opacity: 0; border-color: rgba(232, 197, 71, 0.7); }
  35%  { opacity: 0.9; }
  100% { transform: scale(1.1); opacity: 0; border-color: rgba(232, 197, 71, 0); }
}

.preloader-logo-wrap {
  position: relative;
  z-index: 2;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 3px rgba(232, 197, 71, 0.25),
    0 0 50px rgba(232, 197, 71, 0.30),
    0 20px 60px rgba(0, 0, 0, 0.35);
  animation: logo-float 3s ease-in-out infinite;
}

.preloader-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  opacity: 0;
  animation: logo-appear 1s ease 0.2s forwards;
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes logo-appear {
  0%   { opacity: 0; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1); }
}

.preloader-brand {
  opacity: 0;
  animation: brand-in 0.8s ease 0.5s forwards;
}

.preloader-name {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin: 0 0 8px;
  font-family: 'Cairo', sans-serif;
}

.preloader-tag {
  color: var(--color-gold-light, #E8C547);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 5px;
  text-transform: uppercase;
  margin: 0;
  font-family: 'Inter', sans-serif;
}

.preloader-dot {
  margin: 0 6px;
  opacity: 0.5;
}

@keyframes brand-in {
  0%   { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

.preloader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.10);
  border-radius: 999px;
  overflow: hidden;
  opacity: 0;
  animation: brand-in 0.6s ease 0.7s forwards;
}

.preloader-bar-fill {
  width: 40%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, #E8C547, transparent);
  animation: bar-slide 1.6s ease-in-out infinite;
}

@keyframes bar-slide {
  0%   { transform: translateX(-150%); }
  100% { transform: translateX(350%); }
}

body.is-loading {
  overflow: hidden;
}

html.is-loading {
  overflow: hidden;
}

body.is-loading > :not(#preloader) {
  visibility: hidden;
  pointer-events: none;
}

body:not(.is-loading) > :not(#preloader) {
  visibility: visible;
  pointer-events: auto;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
  background: var(--color-green-light);
  border-radius: 4px;
}

/* Form focus */
input:focus, textarea:focus, select:focus {
  outline: none;
  ring: 2px;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 40, 0.25);
}

/* Mobile menu */
.mobile-menu {
  right: 0;
  left: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

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

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.mobile-menu-backdrop.open {
  opacity: 1;
  visibility: visible;
}

body.menu-open {
  overflow: hidden;
}

[dir="ltr"] .mobile-menu {
  right: auto;
  left: 0;
  transform: translateX(-100%);
}

[dir="ltr"] .mobile-menu.open {
  transform: translateX(0);
}