/* ==========================================================================
   AMNAISYS - Master Design System & Core Stylesheet
   Single Source of Truth for English (LTR) & Arabic (RTL)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-gold: #C3A069;
  --color-green: #008F4E;
  --color-near-black: #171717;
  --color-body-neutral: #3F4650;
  --color-white: #FFFFFF;
  --color-warm-off-white: #FAF9F6;
  --color-soft-sand: #F7F3EB;
  --color-soft-green: #EEF7F2;
  --color-neutral-border: #E3DED3;

  /* Typography */
  --font-en: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-ar: "Segoe UI", Tahoma, "Geeza Pro", "Traditional Arabic", Arial, sans-serif;
  --font-family-base: var(--font-en);

  /* Spacing Scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-2xl: 4rem;

  /* Container & Layout */
  --container-max-width: 1200px;
  --header-height: 76px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

/* Arabic RTL Specific Typography */
html[lang="ar"],
html[dir="rtl"] {
  --font-family-base: var(--font-ar);
}

/* --------------------------------------------------------------------------
   2. Modern Reset & Baseline
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-body-neutral);
  background-color: var(--color-warm-off-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

/* --------------------------------------------------------------------------
   3. Typography Hierarchy
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-near-black);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
}

h2 {
  font-size: clamp(1.6rem, 2.5vw + 0.5rem, 2.35rem);
}

h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.25rem, 1.65rem);
}

p {
  margin-bottom: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   4. Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.section {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
}

.section-soft-sand {
  background-color: var(--color-soft-sand);
}

.section-soft-green {
  background-color: var(--color-soft-green);
}

.section-white {
  background-color: var(--color-white);
}

.section-dark {
  background-color: var(--color-near-black);
  color: #ECEFF1;
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   5. Buttons & Interactive Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 44px; /* Accessible tap target */
}

.btn-primary {
  background-color: var(--color-green);
  color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #007540;
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-gold);
  color: var(--color-near-black);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-gold);
  color: var(--color-white);
}

.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-white);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  background-color: #b08d55;
}

/* --------------------------------------------------------------------------
   6. Accessibility & Reduced Motion
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}/* --------------------------------------------------------------------------
   7. Site Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-neutral-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--color-near-black);
}

.logo-link span {
  color: var(--color-gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-body-neutral);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-green);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-near-black);
  background-color: var(--color-warm-off-white);
}

.lang-switch:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* Mobile Nav Toggle Button */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-near-black);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* --------------------------------------------------------------------------
   8. Mobile Navigation Drawer (Responsive)
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-xl) var(--spacing-md);
    gap: var(--spacing-lg);
    border-top: 1px solid var(--color-neutral-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    overflow-y: auto;
  }

  .nav-menu.is-active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    width: 100%;
  }

  .nav-link {
    font-size: 1.15rem;
    display: block;
    width: 100%;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-soft-sand);
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* --------------------------------------------------------------------------
   9. Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-near-black);
  color: #B0BEC5;
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  margin-top: auto;
  border-top: 3px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-col a {
  color: #B0BEC5;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid #2C3440;
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

@media (max-width: 800px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* --------------------------------------------------------------------------
   10. Mobile Sticky Contact Bar (Call & WhatsApp)
   -------------------------------------------------------------------------- */
.mobile-sticky-bar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    display: flex;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-neutral-border);
    padding: 0.5rem var(--spacing-md);
    gap: var(--spacing-sm);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
  }

  .mobile-sticky-bar .btn {
    flex: 1;
    font-size: 0.85rem;
    padding: 0.6rem 0.5rem;
    min-height: 40px;
  }

  body {
    padding-bottom: 60px; /* Space for sticky bar */
  }
}