:root {
  --navy: #0B2543;
  --navy-deep: #071931;
  --forest: #0D6C4E;
  --forest-bright: #12915F;
  --sand: #F6F4EE;
  --ink: #101820;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--sand);
  color: var(--navy);
}

.font-display {
  font-family: 'Fraunces', 'Noto Serif Arabic', serif;
}

[dir="rtl"] .font-display {
  font-family: 'Cairo', sans-serif;
}

/* Grain texture overlay for atmosphere on dark/hero sections */
.grain::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Layered, color-tinted shadows */
.shadow-soft {
  box-shadow: 0 1px 2px rgba(11, 37, 67, 0.06), 0 12px 24px -8px rgba(11, 37, 67, 0.18), 0 28px 48px -16px rgba(11, 37, 67, 0.14);
}
.shadow-soft-lg {
  box-shadow: 0 2px 4px rgba(11, 37, 67, 0.08), 0 24px 48px -12px rgba(11, 37, 67, 0.28), 0 40px 72px -20px rgba(13, 108, 78, 0.18);
}
.shadow-green {
  box-shadow: 0 8px 20px -6px rgba(13, 108, 78, 0.45);
}

/* Buttons */
.btn-primary {
  background-color: var(--forest);
  color: white;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.25s ease, box-shadow 0.25s ease;
}
.btn-primary:hover {
  background-color: var(--forest-bright);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--forest-bright);
  outline-offset: 3px;
}

.btn-outline {
  border: 1.5px solid rgba(246, 244, 238, 0.4);
  color: inherit;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.25s ease, background-color 0.25s ease;
}
.btn-outline:hover {
  border-color: currentColor;
  background-color: rgba(246, 244, 238, 0.08);
  transform: translateY(-2px);
}
.btn-outline:focus-visible {
  outline: 2px solid var(--forest-bright);
  outline-offset: 3px;
}

/* Nav link underline */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background-color: var(--forest);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Cards */
.card {
  background-color: white;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 2px 4px rgba(11, 37, 67, 0.08), 0 24px 48px -12px rgba(11, 37, 67, 0.28), 0 40px 72px -20px rgba(13, 108, 78, 0.18);
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* FAQ accordion */
.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}
.faq-icon {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
summary {
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}

/* Language pill */
.lang-pill a {
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Mobile nav */
#mobile-menu {
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}
#mobile-menu.open {
  max-height: 640px;
  opacity: 1;
}

/* Placeholder photo treatment (no real photography yet) */
.photo-placeholder {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--forest) 100%);
}
.photo-placeholder img {
  mix-blend-mode: luminosity;
  opacity: 0.55;
}
.photo-placeholder::after {
  content: attr(data-label);
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.5rem 0.9rem;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(246, 244, 238, 0.85);
  background: rgba(7, 25, 49, 0.55);
  backdrop-filter: blur(2px);
}

/* Floating WhatsApp button */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  inset-inline-end: 1.5rem;
  z-index: 60;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  background-color: var(--forest);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px -6px rgba(13, 108, 78, 0.55);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.25s ease;
}
.whatsapp-float:hover {
  background-color: var(--forest-bright);
  transform: scale(1.08) translateY(-2px);
}
.whatsapp-float:focus-visible {
  outline: 2px solid var(--forest-bright);
  outline-offset: 3px;
}
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background-color: var(--forest);
  opacity: 0.45;
  animation: whatsapp-pulse 2.2s ease-out infinite;
}
@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.45; }
  100% { transform: scale(1.7); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float::before { animation: none; }
}

/* Numbered process marker */
.process-num {
  font-family: 'Fraunces', serif;
  font-variant-numeric: oldstyle-nums;
}
[dir="rtl"] .process-num {
  font-family: 'Cairo', sans-serif;
}