/* ==========================================================================
   Quick Aircon Techno Services - Global Design System & Stylesheet
   ========================================================================== */

/* 1. Imports & Typography */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

/* 2. Custom CSS Variables */
:root {
  /* Colors */
  --color-primary: #0A192F;       /* Deep Slate Navy */
  --color-secondary: #172A45;     /* Dark Navy Slate */
  --color-accent: #00B4D8;        /* Cooling Ice Blue / Cyan */
  --color-accent-hover: #0077B6;  /* Deep ice blue */
  --color-cta: #FF9F1C;           /* Conversion Amber */
  --color-cta-hover: #E08A12;     /* Warm Amber Hover */
  --color-success: #2EC4B6;       /* Clean Teal for positive alerts */
  --color-danger: #E63946;        /* Alert Red */
  --color-text-main: #334155;     /* Slate Gray for body */
  --color-text-light: #64748B;    /* Light Slate Gray */
  --color-bg-light: #F8FAFC;      /* Background Light */
  --color-bg-dark: #0B0F19;       /* Footer Dark */
  --color-border: #E2E8F0;        /* Light Border */
  --color-glass: rgba(255, 255, 255, 0.85);

  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 30px rgba(10, 25, 47, 0.08);
  --shadow-xl: 0 20px 40px rgba(10, 25, 47, 0.12);
  --shadow-glow: 0 0 25px rgba(0, 180, 216, 0.2);

  /* Radii & Transitions */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. Base Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
}

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

button, input, textarea, select {
  font-family: inherit;
  outline: none;
  border: none;
}

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

ul {
  list-style: none;
}

/* 4. Utility Classes */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 80px 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass {
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--color-cta);
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(255, 159, 28, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 159, 28, 0.4);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 180, 216, 0.3);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.4);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background-color: var(--color-bg-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.section-header span {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  font-weight: 800;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

/* Scroll reveal helper (Progressive enhancement: only hide if JS is active) */
.js-active .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.js-active .reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* 5. Top Info Bar */
.top-bar {
  background-color: var(--color-primary);
  color: #E2E8F0;
  font-size: 0.8rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.top-bar-left {
  display: flex;
  gap: 20px;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar-item i {
  color: var(--color-accent);
  width: 14px;
  height: 14px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-bar-phone {
  color: #FFFFFF;
  font-weight: 700;
}

.top-bar-phone:hover {
  color: var(--color-accent);
}

/* 6. Sticky Header & Dropdown Navigation */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: var(--color-accent);
  width: 34px;
  height: 34px;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-weight: 600;
  color: #FFFFFF;
  font-size: 0.9rem;
  padding: 8px 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link i {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-link:hover i {
  transform: translateY(2px);
}

/* Services Dropdown Menu */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(15px);
  width: 250px;
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1010;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(5px);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-primary);
}

.dropdown-link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-accent);
  padding-left: 18px;
}

.dropdown-link i {
  color: var(--color-accent);
  width: 16px;
  height: 16px;
}

/* Hamburger button */
.hamburger {
  display: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  border: none;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #FFFFFF;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* 7. Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: #FFFFFF;
  padding: 80px 0 100px 0;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 30%, rgba(0, 180, 216, 0.15) 0%, transparent 60%);
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 680px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #FFFFFF;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.1rem;
  color: #94A3B8;
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-bullets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 40px;
}

.hero-bullet-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: #E2E8F0;
  font-weight: 500;
}

.hero-bullet-item i {
  color: var(--color-cta);
  width: 16px;
  height: 16px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions .btn {
  padding: 14px 28px;
}

.hero-image-box {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-container {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 2px solid rgba(255, 255, 255, 0.08);
}

.hero-image-container img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.hero-floating-card {
  position: absolute;
  bottom: 24px;
  left: -20px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
  animation: float 6s infinite ease-in-out;
  background-color: rgba(10, 25, 47, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-floating-card i {
  color: var(--color-accent);
  width: 24px;
  height: 24px;
}

.hero-floating-card h4 {
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 2px;
}

.hero-floating-card p {
  margin: 0;
  font-size: 0.75rem;
  color: #94A3B8;
}

/* 8. Stats Ribbon Section */
.stats-ribbon {
  background-color: #FFFFFF;
  margin-top: -40px;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 24px 0;
}

.stat-item {
  text-align: center;
  border-right: 1px solid var(--color-border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-heading);
  display: block;
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-item p {
  color: var(--color-text-light);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 9. Our Services Section */
.services-section {
  background-color: var(--color-bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(95deg, var(--color-accent), var(--color-accent-hover));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 180, 216, 0.2);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background-color: rgba(0, 180, 216, 0.08);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition-fast);
}

.service-card:hover .service-card-icon {
  background-color: var(--color-accent);
  color: #FFFFFF;
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--color-accent);
  font-size: 0.88rem;
}

.service-card-link i {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card-link i {
  transform: translateX(4px);
}

/* 10. Why Choose Us Section */
.why-section {
  background-color: #FFFFFF;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-image-panel {
  position: relative;
}

.why-img-big {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 4px solid #FFFFFF;
  overflow: hidden;
  max-width: 85%;
}

.why-img-small {
  position: absolute;
  bottom: -40px;
  right: 0;
  width: 50%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 6px solid #FFFFFF;
  overflow: hidden;
}

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.why-feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.why-feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background-color: rgba(0, 180, 216, 0.08);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-feature-icon i {
  width: 18px;
  height: 18px;
}

.why-feature-text h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.why-feature-text p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

/* 11. Work Process Section */
.process-section {
  background-color: var(--color-bg-light);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  margin-top: 50px;
}

.process-grid::after {
  content: '';
  position: absolute;
  top: 35px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--color-border) 0, var(--color-border) 6px, transparent 6px, transparent 12px);
  z-index: 1;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.process-icon-container {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.process-step:hover .process-icon-container {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 180, 216, 0.2);
}

.process-num {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-cta);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
}

.process-step h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--color-text-light);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* 12. Featured Brands Section */
.brands-section {
  background-color: #FFFFFF;
  padding: 50px 0;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.brands-slider-container {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.brands-track {
  display: flex;
  align-items: center;
  gap: 50px;
  width: max-content;
  animation: scroll-brands 20s linear infinite;
}

.brand-item {
  font-size: 1.35rem;
  font-weight: 800;
  color: #CBD5E1;
  letter-spacing: -0.5px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
}

.brand-item i {
  color: var(--color-accent);
  width: 16px;
  height: 16px;
}

/* 13. Service Areas Section */
.areas-section {
  background-color: var(--color-bg-light);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.area-card {
  background-color: #FFFFFF;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

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

.area-card i {
  color: var(--color-accent);
  width: 16px;
  height: 16px;
}

/* 14. Testimonials Section */
.testimonials-section {
  background-color: #FFFFFF;
}

.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  padding-bottom: 40px;
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 10px;
}

.testimonial-card {
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
  background-color: #FFFFFF;
}

.testimonial-stars {
  color: var(--color-cta);
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}

.testimonial-stars i {
  width: 16px;
  height: 16px;
}

.testimonial-text {
  font-size: 1.05rem;
  font-style: italic;
  margin-bottom: 24px;
  color: var(--color-text-main);
  line-height: 1.6;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-initials {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.1rem;
}

.user-info h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.user-info p {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-border);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.dot.active {
  background-color: var(--color-accent);
  width: 20px;
  border-radius: var(--radius-full);
}

/* 15. FAQ Section */
.faq-section {
  background-color: var(--color-bg-light);
}

.faq-container {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: #FFFFFF;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover, .faq-item.active {
  box-shadow: var(--shadow-sm);
  border-color: rgba(0, 180, 216, 0.3);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  user-select: none;
}

.faq-question i {
  color: var(--color-text-light);
  width: 18px;
  height: 18px;
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding: 0 24px;
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 20px;
}

/* 16. Contact Page / Section & Form */
.contact-section {
  background-color: #FFFFFF;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
}

.contact-info-column {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 30px 0;
}

.contact-card {
  display: flex;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background-color: rgba(0, 180, 216, 0.08);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon i {
  width: 20px;
  height: 20px;
}

.contact-text h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.contact-text p, .contact-text a {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.contact-text a:hover {
  color: var(--color-accent);
}

.map-container {
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.contact-form-card {
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-bg-light);
  font-size: 0.92rem;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  border-color: var(--color-accent);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.1);
}

.form-message {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  display: none;
  font-weight: 600;
}

.form-message.success {
  background-color: rgba(46, 196, 182, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(46, 196, 182, 0.25);
}

/* 17. Premium Footer */
.footer {
  background-color: var(--color-bg-dark);
  color: #94A3B8;
  padding: 80px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  font-size: 1.1rem;
  color: #FFFFFF;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-about-logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.04);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  background-color: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #94A3B8;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
}

.footer-contact-item i {
  color: var(--color-accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

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

/* 18. Service Detail Page Template Layout */
.service-details-hero {
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: #FFFFFF;
  padding: 60px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.service-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.service-hero-content h1 {
  font-size: 2.75rem;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.service-hero-content p {
  color: #94A3B8;
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #94A3B8;
  margin-bottom: 16px;
}

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

.breadcrumb i {
  width: 12px;
  height: 12px;
}

.service-details-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 50px;
}

.service-main-content h2 {
  font-size: 1.75rem;
  margin-top: 40px;
  margin-bottom: 20px;
}

.service-main-content h2:first-of-type {
  margin-top: 0;
}

.service-main-content p {
  color: var(--color-text-main);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-feature-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 30px 0;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
}

.checklist-item i {
  color: var(--color-success);
  width: 18px;
  height: 18px;
}

.service-sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.service-sub-card {
  background-color: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.service-sub-card h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.service-sub-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.service-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sidebar-widget {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.sidebar-widget h3 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-bg-light);
  padding-bottom: 12px;
}

.sidebar-services-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-service-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.sidebar-service-link:hover, .sidebar-service-link.active {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.sidebar-service-link i {
  width: 16px;
  height: 16px;
}

.sidebar-promo-widget {
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: #FFFFFF;
  text-align: center;
}

.sidebar-promo-widget h3 {
  border-bottom: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  margin-bottom: 10px;
  padding-bottom: 0;
}

.sidebar-promo-widget p {
  color: #94A3B8;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.sidebar-promo-phone {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-accent);
  display: block;
  margin-bottom: 24px;
}

/* 19. Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
}

/* 20. Floating Interactive Action Links */
.floating-actions {
  position: fixed;
  bottom: 150px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 99;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-normal);
}

.float-whatsapp {
  background-color: #25D366;
}

.float-call {
  background-color: #00B4D8;
}

.float-btn:hover {
  transform: scale(1.08) rotate(10deg);
}

/* 21. Mobile Sticky Bottom Action Bar */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #FFFFFF;
  box-shadow: 0 -3px 15px rgba(10, 25, 47, 0.08);
  display: none;
  grid-template-columns: repeat(3, 1fr);
  z-index: 999;
  border-top: 1px solid var(--color-border);
}

.mobile-bottom-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 10px 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary);
  border-right: 1px solid var(--color-border);
}

.mobile-bottom-item:last-child {
  border-right: none;
  background-color: var(--color-cta);
  color: var(--color-primary);
}

.mobile-bottom-item i {
  width: 18px;
  height: 18px;
}

/* Scroll Animation Keyframes */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

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

/* ==========================================================================
   22. Responsive Breakpoints
   ========================================================================== */

/* Laptop screens (max-width: 1024px) */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .areas-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 20px;
  }
  .stat-item {
    border-right: none;
  }
  .stat-item:nth-child(2n+1) {
    border-right: 1px solid var(--color-border);
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-details-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Tablet screens (max-width: 768px) */
@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  .section-header h2 {
    font-size: 1.85rem;
  }
  
  /* Mobile Header Menu override */
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 76px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 76px);
    background-color: var(--color-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
    gap: 16px;
    transition: left var(--transition-normal);
    z-index: 998;
    overflow-y: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    padding: 10px 0;
    justify-content: space-between;
  }
  
  .nav-link::after {
    display: none; /* Hide hover line */
  }
  
  .nav-link i {
    width: 20px;
    height: 20px;
  }

  /* Dropdown accordion on mobile */
  .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    display: none;
    width: 100%;
    transition: none;
  }
  
  .dropdown-menu.active {
    display: flex;
  }
  
  .dropdown-link {
    font-size: 1rem;
    padding: 10px 0;
    color: #E2E8F0;
  }
  
  .btn-contact {
    display: none; /* Hide top contact booking button, use sticky action bar instead */
  }

  /* Hero Section stacks */
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero-bullets {
    justify-content: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-floating-card {
    left: 10px;
  }
  .hero-image-container img {
    height: 320px;
  }

  /* Why us stacks */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .why-image-panel {
    order: -1;
    max-width: 80%;
    margin: 0 auto;
  }
  .why-features {
    grid-template-columns: 1fr;
  }

  /* Process steps stacks */
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid::after {
    display: none;
  }

  /* Service Areas grid */
  .areas-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Contact page grids */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-form-card {
    padding: 24px;
  }

  /* Show mobile bottom action bar */
  .mobile-bottom-bar {
    display: grid;
  }
  body {
    padding-bottom: 60px; /* offset for mobile action bar */
  }
  .floating-actions {
    bottom: 80px;
  }
  .back-to-top {
    bottom: 80px;
  }

  .service-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Mobile screens (max-width: 480px) */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-bullets {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .stat-item {
    border-right: none !important;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .service-card {
    padding: 24px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .areas-grid {
    grid-template-columns: 1fr;
  }
  .form-group-row {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .testimonial-card {
    padding: 24px;
  }
  .testimonial-text {
    font-size: 0.95rem;
  }
  .service-feature-checklist {
    grid-template-columns: 1fr;
  }
  .service-sub-grid {
    grid-template-columns: 1fr;
  }
}