/* ==========================================================================
   النشامى للصيانة المنزلية - Design System & Unified Stylesheet
   Pure CSS3 + Bootstrap 5 RTL Compatibility
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Palette */
  --primary: #0369a1;         /* Trust Engineering Blue */
  --primary-dark: #075985;
  --primary-light: #e0f2fe;
  --secondary: #0f172a;       /* Deep Slate */
  --secondary-light: #1e293b;
  --accent: #d97706;          /* Action Warm Amber */
  --accent-hover: #b45309;
  --success: #15803d;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
  
  /* Neutrals */
  --bg-canvas: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  /* Typography */
  --font-arabic: 'Cairo', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Elevations */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.09);

  /* Radius & Curves */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --mobile-cta-height: 64px;
}

/* Base Resets & Typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-arabic);
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.65;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  padding-bottom: var(--mobile-cta-height);
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  right: 16px;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  font-weight: 700;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--secondary);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin-top: 0;
}

h1 { font-size: clamp(1.85rem, 3.5vw + 1rem, 2.75rem); }
h2 { font-size: clamp(1.5rem, 2.2vw + 0.8rem, 2.15rem); }
h3 { font-size: clamp(1.2rem, 1.5vw + 0.6rem, 1.5rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: #334155;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-dark);
}

/* Header & Navigation Contract */
.site-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.top-bar-notice {
  background: var(--secondary);
  color: #f1f5f9;
  font-size: 0.85rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-notice a {
  color: #38bdf8;
  font-weight: 600;
}

.top-bar-notice a:hover {
  color: #7dd3fc;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--secondary);
  text-decoration: none;
}

.brand-title .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 2px 6px rgba(3, 105, 161, 0.25);
}

.nav-link-custom {
  font-weight: 600;
  font-size: 0.95rem;
  color: #334155 !important;
  padding: 8px 12px !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link-custom:hover, .nav-link-custom.active {
  color: var(--primary) !important;
}

.nav-link-custom.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 12px;
  left: 12px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.btn-header-call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface-alt);
  color: var(--secondary);
  border: 1px solid var(--border);
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  white-space: nowrap;
}
.btn-header-call:hover {
  background-color: #e2e8f0;
  color: var(--secondary);
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff !important;
  border: none;
  padding: 9px 18px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(3, 105, 161, 0.25);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(3, 105, 161, 0.35);
  background: var(--primary-dark);
}

.btn-accent-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #ffffff !important;
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.25);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-accent-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.btn-whatsapp-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--whatsapp);
  color: #ffffff !important;
  border: none;
  padding: 9px 18px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.25);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-whatsapp-action:hover {
  background-color: var(--whatsapp-dark);
  transform: translateY(-1px);
}

/* Breadcrumbs */
.breadcrumb-wrapper {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-size: 0.85rem;
}
.breadcrumb {
  margin-bottom: 0;
  padding: 0;
}
.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  padding: 0 8px;
  color: var(--text-subtle);
}
.breadcrumb-item a {
  color: var(--text-muted);
}
.breadcrumb-item a:hover {
  color: var(--primary);
}
.breadcrumb-item.active {
  color: var(--secondary);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-canvas) 100%);
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.2vw + 0.8rem, 1.25rem);
  color: #475569;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 24px;
}

.hero-media-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  aspect-ratio: 16 / 9;
}

.hero-media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--secondary);
}

.hero-trust-item i {
  color: var(--success);
}

/* Cards & Grid Surfaces */
.section-padding {
  padding: 64px 0;
}

.section-header {
  margin-bottom: 40px;
}

.section-header .section-kicker {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 680px;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-xs);
}

.app-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.app-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  background-color: var(--surface-alt);
}

.app-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.app-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.app-card-text {
  font-size: 0.92rem;
  color: #475569;
  flex-grow: 1;
  margin-bottom: 16px;
}

.app-card-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.app-card-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

/* Unboxed Metadata (Zero-Pill Discipline) */
.meta-unboxed {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.meta-unboxed .sep {
  opacity: 0.5;
}

/* Direct Answer Box (Answer-First SEO) */
.direct-answer-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-right: 4px solid var(--success);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 32px;
}

.direct-answer-box h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #166534;
  margin-bottom: 8px;
}

.direct-answer-box p {
  color: #14532d;
  margin-bottom: 0;
  font-size: 0.98rem;
  line-height: 1.7;
}

/* Warning & Danger Callouts */
.warning-box {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  border-right: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}
.warning-box p {
  margin-bottom: 0;
  color: #92400e;
  font-size: 0.95rem;
}

/* Steps Block */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step-counter;
}

.step-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Accordion FAQ Customization */
.custom-accordion .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--surface);
}

.custom-accordion .accordion-button {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  background: var(--surface);
  box-shadow: none;
  padding: 18px 20px;
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: #f8fafc;
  color: var(--primary);
}

.custom-accordion .accordion-button::after {
  margin-right: auto;
  margin-left: 0;
}

.custom-accordion .accordion-body {
  padding: 16px 20px 22px;
  color: #334155;
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid var(--border);
}

/* Brand Grid */
.brand-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
  display: block;
}
.brand-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.brand-card .brand-name-en {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.01em;
}
.brand-card .brand-name-ar {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Area Grid */
.area-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: var(--transition);
  display: block;
  text-decoration: none;
}
.area-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.area-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 4px;
}
.area-card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Form Styles */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.form-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--secondary);
  margin-bottom: 6px;
}

.form-control, .form-select {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: #fff;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.15);
}

/* CTA Banner (Before Footer) */
.cta-banner-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #1e293b 100%);
  color: #fff;
  padding: 60px 0;
  position: relative;
}

.cta-banner-section h2 {
  color: #fff;
  font-size: clamp(1.6rem, 2.5vw + 0.8rem, 2.3rem);
  margin-bottom: 12px;
}

.cta-banner-section p {
  color: #94a3b8;
  font-size: 1.05rem;
  margin-bottom: 24px;
}

/* Footer */
.site-footer {
  background: #090d16;
  color: #94a3b8;
  padding: 56px 0 24px;
  border-top: 1px solid #1e293b;
  font-size: 0.9rem;
}

.footer-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  text-decoration: none;
}

.footer-heading {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 32px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #38bdf8;
  padding-right: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: #cbd5e1;
}

.footer-contact-item a {
  color: #fff;
  font-weight: 700;
  direction: ltr;
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #1e293b;
  font-size: 0.85rem;
}

/* Sticky Mobile CTA Bar */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-cta-height);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  z-index: 1030;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
  padding: 8px 12px;
}

@media (max-width: 991px) {
  .sticky-mobile-cta {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 8px;
  }
}

.mobile-cta-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.mobile-cta-btn.call {
  background: var(--surface-alt);
  color: var(--secondary);
  border: 1px solid var(--border);
}

.mobile-cta-btn.whatsapp {
  background: var(--whatsapp);
  color: #fff;
}

.mobile-cta-btn.book {
  background: var(--primary);
  color: #fff;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 80px;
  left: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
  z-index: 1025;
  transition: var(--transition);
  text-decoration: none;
}

@media (min-width: 992px) {
  .floating-whatsapp {
    bottom: 28px;
    left: 28px;
  }
}

.floating-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  color: #fff;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}