/* ============================================
   TM Cleaning Services - Modern Design System
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Colors */
  --primary: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #3385FF;
  --secondary: #00D4AA;
  --accent: #FF6B35;
  
  /* Neutrals */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Semantic */
  --bg: #FFFFFF;
  --text: var(--gray-900);
  --text-muted: var(--gray-600);
  --surface: var(--gray-50);
  --border: var(--gray-200);
  --card-bg: #FFFFFF;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --bg: #0F172A;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --surface: #1E293B;
  --border: #334155;
  --card-bg: #1E293B;
  --gray-50: #1E293B;
  --gray-100: #334155;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 1024px) {
  body.nav-open {
    overscroll-behavior: contain;
  }
}

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

/* Links */
a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary);
}

/* Dark mode links */
[data-theme="dark"] a {
  color: white;
}

[data-theme="dark"] a:hover {
  color: var(--primary-light);
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background: var(--surface);
}

/* Skip Link */
.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-md);
  background: var(--primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), background 0.4s ease;
}

[data-theme="dark"] .site-header {
  background: rgba(10, 18, 32, 0.92);
}

.site-header.gradient-header {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.18), rgba(0, 212, 170, 0.18)) rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .site-header.gradient-header {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.3), rgba(0, 212, 170, 0.25)) rgba(13, 25, 46, 0.92);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

/* Unique Header styling */
.unique-header {
  position: sticky;
  overflow: visible;
}

.unique-header .nav-surface {
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px) saturate(1.2);
}

[data-theme="dark"] .unique-header .nav-surface {
  background: rgba(30, 41, 59, 0.6);
}

.unique-header .open-chip {
  display: none;
}

@media (min-width: 1024px) {
  .unique-header .open-chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    font-size: 0.8125rem;
    border-radius: 999px;
    background: rgba(16,185,129,0.12);
    color: #059669;
    border: 1px solid rgba(16,185,129,0.3);
  }
}

.action-chip {
  border-radius: 999px;
  border: 1px solid var(--border);
}

.unique-header .btn-cta {
  padding: 12px 20px;
  border-radius: 999px;
}

.header-accent {
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  min-height: 84px;
  padding: var(--space-sm) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.brand:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.brand-logo-wrap {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 10px 30px rgba(51, 133, 255, 0.35);
  display: grid;
  place-items: center;
}

.brand-wordmark {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

[data-theme="dark"] .brand-wordmark {
  color: rgba(226, 232, 240, 0.95);
}

.nav-menu {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px;
  list-style: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(24px);
}

[data-theme="dark"] .nav-menu {
  background: rgba(15, 23, 42, 0.65);
  border-color: rgba(59, 130, 246, 0.2);
}

.nav-menu--pill .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.85);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

[data-theme="dark"] .nav-menu--pill .nav-link {
  color: rgba(255, 255, 255, 0.95);
}

.nav-menu--pill .nav-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.12), rgba(0, 212, 170, 0.12));
  transform: scale(0.86);
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: -1;
}

.nav-menu--pill .nav-link:hover::before,
.nav-menu--pill .nav-link:focus-visible::before {
  opacity: 1;
  transform: scale(1);
}

.nav-menu--pill .nav-link:hover,
.nav-menu--pill .nav-link:focus-visible {
  color: var(--primary);
  transform: translateY(-1px);
}

[data-theme="dark"] .nav-menu--pill .nav-link:hover,
[data-theme="dark"] .nav-menu--pill .nav-link:focus-visible {
  color: white;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-actions--chip {
  gap: var(--space-sm);
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
  border: 1px solid transparent;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.18);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

[data-theme="dark"] .contact-chip {
  background: linear-gradient(135deg, rgba(51, 133, 255, 0.9), rgba(16, 185, 129, 0.9));
  box-shadow: 0 18px 34px rgba(6, 11, 20, 0.45);
}

.contact-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.22);
  filter: brightness(1.05);
}

.contact-chip .chip-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.16);
  color: inherit;
}

.contact-chip .chip-label {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
}

.contact-chip .chip-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 999px;
}

.contact-chip .chip-number {
  font-size: 1.05rem;
  font-weight: 700;
  white-space: nowrap;
}

.contact-chip:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 3px;
}

.contact-chip .chip-number-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact-chip .chip-number-btn:hover,
.contact-chip .chip-number-btn:focus-visible {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.contact-chip .chip-number-btn::after {
  content: '';
}

.theme-toggle.theme-toggle--pill {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.35);
  width: 46px;
  height: 46px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] .theme-toggle.theme-toggle--pill {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(59, 130, 246, 0.25);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  color: var(--text);
  position: relative;
  z-index: 101;
}

.nav-toggle:hover {
  background: var(--surface);
}

/* Show nav-toggle on mobile */
@media (max-width: 900px) {
  .nav-toggle {
    display: flex !important;
  }
}

.nav-toggle-bar {
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-2xl) 0;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--gray-900), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .hero h1 {
  background: linear-gradient(135deg, #FFFFFF, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.cta-row {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
}

.badges li {
  padding: var(--space-xs) var(--space-md);
  background: white;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* Dark mode: hero badges use translucent dark pill with light text */
[data-theme="dark"] .hero .badges li {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-color: var(--border);
}

.hero-visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 102, 255, 0.2));
}

/* ============================================
   FOCUS STATES & ACCESSIBILITY
   ============================================ */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.service:focus-within {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

/* Reduce motion for users who prefer it */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary: #0052CC;
    --text: #000000;
    --bg: #FFFFFF;
    --border: #000000;
  }
  
  [data-theme="dark"] {
    --primary: #6ea8ff;
    --text: #FFFFFF;
    --bg: #000000;
    --border: #FFFFFF;
  }
}

/* ============================================
   SERVICES
   ============================================ */
.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-sm);
}

.section-intro {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.service {
  padding: var(--space-lg);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-align: center;
}

.service:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.service-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.service-icon img {
  width: 80px;
  height: 80px;
}

.service h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.service p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   TRUST BADGES
   ============================================ */
.trust-badges {
  padding: var(--space-xl) 0;
}

.trust-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.trust-badge {
  text-align: center;
  padding: var(--space-md);
}

.trust-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.trust-badge h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.trust-badge p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================
   PORTFOLIO - Infinite Horizontal Scroll
   ============================================ */
.portfolio-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.portfolio-scroll-container {
  width: 100%;
  position: relative;
  padding: var(--space-xl) 0;
}

.portfolio-track {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--surface);
  padding: 0 var(--space-md);
  cursor: grab;
  user-select: none;
}

.portfolio-track::-webkit-scrollbar {
  height: 8px;
}

.portfolio-track::-webkit-scrollbar-track {
  background: var(--surface);
  border-radius: 4px;
}

.portfolio-track::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

.portfolio-track::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

.portfolio-track:active {
  cursor: grabbing;
}

.portfolio-track.auto-scrolling {
  scroll-behavior: smooth;
}

.portfolio-item {
  flex-shrink: 0;
  width: 420px;
  height: 300px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  background: var(--card-bg);
  border: 2px solid var(--border);
  scroll-snap-align: center;
}

.portfolio-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 102, 255, 0.25);
  border-color: var(--primary);
  z-index: 10;
}

/* Scroll Controls */
.portfolio-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.portfolio-scroll-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.portfolio-scroll-btn:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.portfolio-scroll-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.portfolio-scroll-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.portfolio-auto-toggle {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--surface);
  border: 2px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.portfolio-auto-toggle:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.portfolio-auto-toggle.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.portfolio-auto-toggle.active::before {
  content: '⏸';
  font-size: 1rem;
}

.portfolio-auto-toggle:not(.active)::before {
  content: '▶';
  font-size: 0.875rem;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover img {
  transform: scale(1.12);
}

.portfolio-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 102, 255, 0.95) 0%, rgba(0, 102, 255, 0.7) 60%, transparent 100%);
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
  padding: var(--space-lg);
  text-align: center;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-label {
  transform: translateY(0);
}

.portfolio-footer {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
}

/* Mobile Portfolio Optimization */
@media (max-width: 768px) {
  .portfolio-item {
    width: 300px;
    height: 240px;
  }
  
  .portfolio-scroll-btn {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
  
  .portfolio-track {
    scrollbar-width: none;
  }
  
  .portfolio-track::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 480px) {
  .portfolio-item {
    width: 280px;
    height: 220px;
  }
  
  .portfolio-track {
    gap: var(--space-md);
    padding: 0 var(--space-sm);
  }
  
  .portfolio-label {
    font-size: 1rem;
    padding: var(--space-md);
  }
  
  .portfolio-controls {
    gap: var(--space-sm);
  }
  
  .portfolio-auto-toggle {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
}

.portfolio-cta-text {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text);
}

/* ============================================
   ABOUT, PROCESS, COVERAGE
   ============================================ */
.list {
  list-style: none;
  display: grid;
  gap: var(--space-sm);
}

.list li {
  padding-left: var(--space-lg);
  position: relative;
}

.list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 700;
}

.steps {
  display: grid;
  gap: var(--space-md);
  list-style: none;
  counter-reset: step;
}

.steps li {
  padding: var(--space-lg);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  padding-left: 4.5rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: var(--space-lg);
  top: var(--space-lg);
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.25rem;
}

.steps h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.steps p {
  color: var(--text-muted);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.quote {
  padding: var(--space-lg);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.quote:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.quote p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.quote cite {
  color: var(--text-muted);
  font-weight: 600;
  font-style: normal;
}

/* ============================================
   FAQ
   ============================================ */
details {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

details:hover {
  border-color: var(--primary);
}

details[open] {
  border-color: var(--primary);
  background: var(--surface);
}

details summary {
  font-weight: 600;
  font-size: 1.0625rem;
  list-style: none;
  cursor: pointer;
}

details summary::-webkit-details-marker {
  display: none;
}

details p {
  margin-top: var(--space-md);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.contact-info strong {
  color: var(--text);
  font-weight: 600;
}

.contact-info a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-info a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Dark mode: improve contrast for links and helper text */
[data-theme="dark"] .contact-info a {
  color: white;
}

[data-theme="dark"] .contact-info a:hover {
  color: var(--primary-light);
}

[data-theme="dark"] .small {
  color: var(--text-muted);
}

.form {
  padding: var(--space-xl);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-row {
  margin-bottom: var(--space-md);
}

.form label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  transition: all var(--transition-fast);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.form-status {
  color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 4px solid var(--primary);
}

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

.brand--footer {
  color: white;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: opacity var(--transition-fast);
  margin-bottom: var(--space-sm);
}

.brand--footer:hover {
  opacity: 0.9;
}

.brand--footer .brand-logo-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  overflow: hidden;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand--footer .brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand--footer .brand-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

[data-theme="dark"] .footer-links a {
  color: var(--gray-300);
}

[data-theme="dark"] .footer-links a:hover {
  color: white;
}

.footer-meta {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--gray-700);
  text-align: center;
  color: var(--gray-400);
  font-size: 0.875rem;
}

.small {
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  right: var(--space-lg);
  bottom: 100px; /* Position above WhatsApp button */
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
  z-index: 50;
}

.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.animate-ready {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.animate-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Different animation styles */
.hero.animate-ready {
  opacity: 0;
  transform: scale(0.98);
}

.hero.animate-in {
  opacity: 1;
  transform: scale(1);
}

#services.animate-ready,
#testimonials.animate-ready {
  opacity: 0;
  transform: translateX(-30px);
}

#about.animate-ready,
#faq.animate-ready {
  opacity: 0;
  transform: translateX(30px);
}

#services.animate-in,
#testimonials.animate-in,
#about.animate-in,
#faq.animate-in {
  opacity: 1;
  transform: translateX(0);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .animate-ready,
  .animate-card {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (min-width: 1200px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    padding: 1.25rem 0;
  }

  .nav-menu {
    gap: var(--space-sm);
    padding: 8px 10px;
  }

  .nav-menu--pill .nav-link {
    padding: 14px 22px;
    font-size: 1rem;
  }

  .contact-chip {
    padding: 12px 22px;
  }

  .contact-chip .chip-label {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
  }
}

@media (max-width: 1024px) {
  .header-inner {
    grid-template-columns: auto auto;
    grid-template-rows: auto auto;
    row-gap: var(--space-sm);
    align-items: center;
  }

  .nav-menu {
    display: none;
  }

  .primary-nav.mobile-open {
    display: block;
    position: absolute;
    top: calc(100% + 8px);
    left: 12px;
    right: 12px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16);
    overflow: hidden;
    animation: slideDown 0.3s ease;
    z-index: 1000;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .primary-nav.mobile-open .nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .primary-nav.mobile-open .nav-link {
    justify-content: flex-start;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
  }

  .contact-chip {
    order: 1;
  }

  .btn-cta {
    order: 2;
  }

  .theme-toggle--pill {
    order: 3;
  }

  .nav-toggle {
    display: flex;
    order: 4;
  }
}

@media (max-width: 900px) {
  .primary-nav {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }

  .header-inner {
    grid-template-columns: auto auto;
    grid-template-rows: auto;
    gap: var(--space-sm);
  }

  .brand-wordmark {
    font-size: 1.2rem;
  }
}

@media (max-width: 640px) {
  .header-inner {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: var(--space-sm);
  }

  .brand-wordmark {
    font-size: 1.05rem;
  }

  .contact-chip {
    display: none;
  }

  .btn-cta {
    padding: 10px 18px;
    font-size: 0.9rem;
  }

  .theme-toggle--pill {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    grid-template-columns: auto auto;
    grid-template-rows: auto;
    align-items: center;
  }

  .brand-logo-wrap {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }

  .nav-toggle {
    margin-left: auto;
  }

  .btn-cta {
    width: 100%;
    justify-self: stretch;
  }
}

@media (max-width: 400px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .brand {
    gap: 10px;
  }

  .brand-wordmark {
    font-size: 1rem;
  }
}

/* ============================================
   NOSCRIPT
   ============================================ */
.noscript {
  padding: var(--space-md);
  background: #FEF3C7;
  color: #92400E;
  border: 1px dashed #F59E0B;
  border-radius: var(--radius-md);
  margin: var(--space-md);
  text-align: center;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}