/* ============================================
   THE SMART AIRCON — Complete Stylesheet
   ============================================
   Pure CSS with custom properties, animations,
   dark/light mode, and responsive design.
   ============================================ */

/* ─── 1. CSS Custom Properties (Variables) ─── */
:root {
  /* Light Mode (default) */
  --bg-cream: #F7F3EE;
  --bg-cream-dark: #F0EBE4;
  --bg-white: #FFFFFF;
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --text-muted: #748DAE;
  --accent-cyan: #9ECAD6;
  --accent-indigo: #748DAE;
  --accent-pink: #F5CBCB;
  --accent-rose: #FFEAEA;
  --border-light: rgba(158, 202, 214, 0.3);
  --border-medium: rgba(116, 141, 174, 0.4);
  --shadow-card: 0 8px 32px rgba(116, 141, 174, 0.12);
  --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
  --overlay-dark: rgba(45, 55, 72, 0.6);
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --radius-pill: 9999px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-default: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-cream: #1a1f2e;
  --bg-cream-dark: #252b3d;
  --bg-white: #2d3548;
  --text-primary: #f0f0f0;
  --text-secondary: #a0aec0;
  --text-muted: #90a4c2;
  --accent-cyan: #7fb3c1;
  --accent-indigo: #8a9ec4;
  --accent-pink: #c9a0a0;
  --accent-rose: #d4b4b4;
  --border-light: rgba(158, 202, 214, 0.15);
  --border-medium: rgba(116, 141, 174, 0.25);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.3);
  --overlay-dark: rgba(0, 0, 0, 0.7);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-cream);
  transition: background-color var(--transition-default), color var(--transition-default);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-indigo);
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ─── 3. Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-indigo);
  display: block;
  margin-bottom: 1rem;
}

/* ─── 4. Layout Utilities ─── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
}

.section-padding {
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.text-center {
  text-align: center;
}

/* ─── 5. Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--transition-default);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--text-primary);
}

.btn-primary:hover {
  background: #b5dde6;
  transform: scale(1.05);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan);
}

.btn-indigo {
  background: var(--accent-indigo);
  color: #fff;
}

.btn-indigo:hover {
  background: #5a6f8e;
  transform: scale(1.05);
}

/* ─── 6. Preloader ─── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-logo {
  width: 80px;
  height: 80px;
  color: var(--accent-cyan);
  animation: preloader-scale 0.6s ease-out forwards;
}

.preloader-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1rem;
  opacity: 0;
  animation: preloader-fade 0.5s ease-out 0.3s forwards;
}

.preloader-bar {
  width: 200px;
  height: 3px;
  background: var(--border-light);
  border-radius: var(--radius-pill);
  margin-top: 1.5rem;
  overflow: hidden;
  opacity: 0;
  animation: preloader-fade 0.3s ease-out 0.5s forwards;
}

.preloader-bar-inner {
  height: 100%;
  width: 0;
  background: var(--accent-cyan);
  border-radius: var(--radius-pill);
  animation: preloader-fill 1.5s ease-out 0.5s forwards;
}

@keyframes preloader-scale {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes preloader-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes preloader-fill {
  from { width: 0; }
  to { width: 100%; }
}

/* ─── 7. Navigation ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 70px;
  background: rgba(247, 243, 238, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-default);
}

[data-theme="dark"] .navbar {
  background: rgba(26, 31, 46, 0.9);
}

.navbar.scrolled {
  box-shadow: var(--shadow-nav);
  height: 60px;
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-indigo);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  background: transparent;
  transition: all var(--transition-default);
}

.theme-toggle:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.theme-toggle i {
  font-size: 1rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 110;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: var(--bg-cream);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: right 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

[data-theme="dark"] .mobile-menu {
  background: var(--bg-cream);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu .nav-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
}

/* ─── 8. Hero Section ─── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  padding: clamp(2rem, 6vw, 6rem);
  max-width: 640px;
}

.hero-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-indigo);
  margin-bottom: 1.5rem;
  display: block;
}

.hero h1 {
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero h1 .highlight {
  background: linear-gradient(120deg, var(--accent-pink) 0%, var(--accent-rose) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.trust-item i {
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-decoration {
  position: absolute;
  width: 350px;
  height: 350px;
  background: var(--accent-rose);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  top: 10%;
  left: 10%;
  z-index: 0;
  animation: float 6s ease-in-out infinite;
}

.hero-image {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transform: rotate(-2deg);
  transition: transform 0.5s ease;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  animation: ken-burns 20s ease-in-out infinite alternate;
}

/* ─── 9. Section Headers ─── */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.accent-line {
  width: 80px;
  height: 2px;
  background: var(--accent-pink);
  margin: 0 auto 1.5rem;
}

/* ─── 10. Service Cards ─── */
.services-grid {
  background: var(--bg-white);
}

.service-card {
  background: var(--bg-cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: var(--accent-cyan);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-rose);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent-indigo);
  font-size: 1.5rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.service-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-indigo);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.service-link:hover {
  color: var(--text-primary);
  gap: 0.6rem;
}

/* ─── 11. Why Choose Us Section ─── */
.why-section {
  background: var(--bg-cream-dark);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.feature-item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ─── 12. Testimonials Carousel ─── */
.testimonials-section {
  background: var(--bg-white);
}

.testimonial-carousel {
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  gap: 2rem;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: calc(33.333% - 1.33rem);
  background: var(--bg-cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  flex-shrink: 0;
}

.quote-icon {
  font-size: 2rem;
  color: var(--accent-pink);
  margin-bottom: 1rem;
  line-height: 1;
}

.testimonial-card p {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.testimonial-author-info h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.testimonial-author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stars {
  color: var(--accent-pink);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

/* Carousel Navigation */
.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-medium);
  background: transparent;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-default);
}

.carousel-btn:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-medium);
  transition: all var(--transition-default);
}

.carousel-dot.active {
  background: var(--accent-cyan);
  width: 30px;
  border-radius: var(--radius-pill);
}

/* ─── 13. Coverage Marquee ─── */
.marquee-section {
  background: var(--accent-indigo);
  padding: 1.5rem 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-right: 2rem;
  color: #fff;
  font-weight: 500;
  font-size: 1rem;
  white-space: nowrap;
}

.marquee-content i {
  font-size: 0.5rem;
  opacity: 0.7;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── 14. Page Hero (inner pages) ─── */
.page-hero {
  background: var(--bg-cream-dark);
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

.page-hero-decoration {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--accent-rose);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.page-hero h1 {
  position: relative;
  z-index: 1;
  margin-bottom: 1rem;
}

.breadcrumb {
  position: relative;
  z-index: 1;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--accent-indigo);
}

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

.breadcrumb span {
  margin: 0 0.5rem;
  color: var(--text-muted);
}

/* ─── 15. Services Page ─── */
.service-detail-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: all var(--transition-smooth);
}

.service-detail-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.service-detail-card:hover img {
  transform: scale(1.05);
}

.service-detail-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-detail-content {
  padding: 1.5rem;
}

.service-detail-content h3 {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.service-detail-content h3 i {
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.service-detail-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.service-features li i {
  color: var(--accent-cyan);
  font-size: 0.8rem;
}

/* Process Section */
.process-section {
  background: var(--bg-cream);
}

.process-steps {
  display: flex;
  justify-content: center;
  gap: 2rem;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 35px;
  left: 15%;
  right: 15%;
  height: 2px;
  border-top: 2px dashed var(--border-medium);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: 200px;
}

.step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent-cyan);
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.process-step h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ─── 16. About Page ─── */
.stats-section {
  background: var(--bg-cream-dark);
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent-indigo);
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Coverage Areas */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.coverage-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition-default);
}

.coverage-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.coverage-card i {
  color: var(--accent-cyan);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.coverage-card h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
}

.map-container {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
  filter: grayscale(20%) contrast(90%);
}

/* ─── 17. Why Choose Us Page ─── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.benefit-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: all var(--transition-smooth);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--accent-cyan);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: #fff;
  font-size: 1.35rem;
}

.benefit-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.benefit-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* FAQ Accordion */
.faq-section {
  background: var(--bg-cream-dark);
}

.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: transparent;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.accordion-header i {
  color: var(--accent-indigo);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  flex-shrink: 0;
}

.accordion-item.active .accordion-header i {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.accordion-item.active .accordion-body {
  max-height: 300px;
}

.accordion-content {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Trust Banner */
.trust-banner {
  background: var(--accent-pink);
  padding: 3rem;
  text-align: center;
}

.trust-banner h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.trust-banner p {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ─── 18. Testimonials Page ─── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-grid-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-light);
  transition: all var(--transition-smooth);
}

.testimonial-grid-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

/* ─── 19. Contact Page ─── */
.contact-section {
  background: var(--bg-cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.info-card-icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.info-card h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.info-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact-social {
  display: flex;
  gap: 0.75rem;
}

.contact-social a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-default);
}

.contact-social a:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 2px solid var(--border-light);
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-default);
}

.form-control:focus {
  border-bottom-color: var(--accent-cyan);
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23748DAE' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}

.form-error {
  font-size: 0.8rem;
  color: #e53e3e;
  margin-top: 0.35rem;
  display: none;
}

.form-group.has-error .form-control {
  border-bottom-color: #e53e3e;
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  text-align: center;
  padding: 3rem 1rem;
}

.form-success i {
  font-size: 4rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  display: block;
}

.form-success h3 {
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--text-secondary);
}

.btn-full {
  width: 100%;
}

/* ─── 20. Gallery Page ─── */
.gallery-grid {
  column-count: 3;
  column-gap: 1rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-default);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay i {
  color: #fff;
  font-size: 2rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-default);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-default);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: background var(--transition-default);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

/* ─── 21. Footer ─── */
.footer {
  background: var(--bg-cream-dark);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 1rem 0;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-default);
}

.footer-social a:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.footer-column h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.footer-column ul li {
  margin-bottom: 0.75rem;
}

.footer-column ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-default);
}

.footer-column ul li a:hover {
  color: var(--accent-indigo);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-contact li i {
  color: var(--accent-cyan);
  margin-top: 0.2rem;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links a:hover {
  color: var(--accent-indigo);
}

/* ─── 22. Back to Top Button ─── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-pill);
  background: var(--accent-cyan);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(158, 202, 214, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-smooth);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(158, 202, 214, 0.5);
}

/* ─── 23. Scroll Animations ─── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade {
  opacity: 0;
  transition: opacity 0.5s ease-out;
}

.animate-fade.animated {
  opacity: 1;
}

.animate-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-slide-left.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-slide-right.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ─── 24. Keyframe Animations ─── */
@keyframes ken-burns {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-1%, -1%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(158, 202, 214, 0.3); }
  50% { box-shadow: 0 0 40px rgba(158, 202, 214, 0.6); }
}

/* ─── 25. Responsive Design ─── */
@media (max-width: 1024px) {
  .nav-links,
  .nav-actions .btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .grid-2,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonial-card {
    min-width: calc(50% - 1rem);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .coverage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-image-wrapper {
    order: -1;
    padding: 1rem;
  }

  .hero-image {
    transform: rotate(0);
  }

  .hero-decoration {
    width: 250px;
    height: 250px;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .grid-3,
  .grid-4,
  .benefits-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-card {
    min-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }

  .process-steps::before {
    display: none;
  }

  .process-step {
    max-width: 100%;
  }

  .gallery-grid {
    column-count: 2;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .page-hero {
    min-height: 30vh;
  }

  .coverage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lightbox-nav {
    display: none;
  }
}

@media (max-width: 480px) {
  .grid-4,
  .stats-grid,
  .coverage-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    column-count: 1;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}

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

  .marquee-track {
    animation: none;
  }
}
