/* ============================================================================
   ACE SPORT SURFACES - Professional CSS Stylesheet
   Premium sports court construction company website
   ============================================================================ */

/* ============================================================================
   1. CSS RESET & NORMALIZE
   ============================================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: inherit;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* ============================================================================
   2. ROOT CSS VARIABLES
   ============================================================================ */

:root {
  /* Colors - Brand */
  --color-primary-dark: #9e0027;
  --color-primary: #c41e3a;
  --color-primary-light: #e8315b;

  /* Colors - Accent */
  --color-accent-gold: #D4A843;
  --color-accent-gold-light: #F0C75E;

  /* Colors - Success */
  --color-success: #2d8a4e;

  /* Colors - Neutrals */
  --color-black: #0a0a0a;
  --color-dark-1: #1a1a1a;
  --color-dark-2: #2a2a2a;
  --color-gray-dark: #5e5e5e;
  --color-gray: #8a8a8a;
  --color-gray-light: #c5c5c5;
  --color-bg-light: #f0f0f0;
  --color-bg-lighter: #f8f8f8;
  --color-white: #ffffff;

  /* Colors - Semantic */
  --color-bg-primary: #f8f8f8;
  --color-bg-secondary: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #5e5e5e;
  --color-text-lighter: #8a8a8a;
  --color-border: #c5c5c5;

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Font Sizes */
  --font-size-xs: clamp(0.75rem, 1vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 1.2vw, 1rem);
  --font-size-base: clamp(1rem, 1.4vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1.8vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 2.2vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 3vw, 2rem);
  --font-size-3xl: clamp(1.875rem, 4vw, 2.5rem);
  --font-size-4xl: clamp(2.25rem, 5vw, 3.5rem);
  --font-size-5xl: clamp(2.75rem, 6vw, 4.5rem);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 5rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Box Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);

  /* Container */
  --container-max-width: 1200px;
  --container-padding: clamp(1rem, 3vw, 2rem);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-modal: 1000;
  --z-tooltip: 1100;
  --z-notification: 1200;
}

/* ============================================================================
   3. TYPOGRAPHY
   ============================================================================ */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: -0.015em;
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-lighter);
}

/* Paragraph & Text */
p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

small, .text-small {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.text-xs {
  font-size: var(--font-size-xs);
}

.text-lg {
  font-size: var(--font-size-lg);
}

.text-xl {
  font-size: var(--font-size-xl);
}

/* Text Colors */
.text-primary {
  color: var(--color-primary);
}

.text-accent {
  color: var(--color-accent-gold);
}

.text-light {
  color: var(--color-text-light);
}

.text-lighter {
  color: var(--color-text-lighter);
}

.text-white {
  color: var(--color-white);
}

/* Text Styling */
.text-center {
  text-align: center;
}

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

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

.font-weight-300 {
  font-weight: 300;
}

.font-weight-400 {
  font-weight: 400;
}

.font-weight-500 {
  font-weight: 500;
}

.font-weight-600 {
  font-weight: 600;
}

.font-weight-700 {
  font-weight: 700;
}

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

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

/* ============================================================================
   4. LAYOUT & CONTAINERS
   ============================================================================ */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section Padding */
.section-padding {
  padding-top: clamp(3rem, 10vw, 5rem);
  padding-bottom: clamp(3rem, 10vw, 5rem);
}

.section-padding-sm {
  padding-top: clamp(2rem, 5vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
}

.section-padding-lg {
  padding-top: clamp(4rem, 12vw, 8rem);
  padding-bottom: clamp(4rem, 12vw, 8rem);
}

/* Background Colors */
.bg-white {
  background-color: var(--color-white);
}

.bg-light {
  background-color: var(--color-bg-light);
}

.bg-lighter {
  background-color: var(--color-bg-lighter);
}

.bg-dark {
  background-color: var(--color-black);
}

.bg-dark-1 {
  background-color: var(--color-dark-1);
}

.bg-dark-2 {
  background-color: var(--color-dark-2);
}

.bg-primary {
  background-color: var(--color-primary);
}

.bg-accent {
  background-color: var(--color-accent-gold);
}

/* ============================================================================
   5. NAVIGATION
   ============================================================================ */

nav {
  font-family: var(--font-body);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
  width: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.navbar-logo-img {
  height: 50px;
  width: auto;
  transition: opacity var(--transition-base);
}

.navbar-logo:hover .navbar-logo-img {
  opacity: 0.85;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
  list-style: none;
}

.navbar-menu a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-bottom: 4px;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.navbar-menu a:hover::after {
  width: 100%;
}

.navbar-cta {
  margin-left: auto;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-base);
  border-radius: 1px;
}

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

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

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

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  z-index: 400;
  overflow-y: auto;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul,
.mobile-nav-menu {
  list-style: none;
  padding: var(--spacing-lg);
}

.mobile-nav li,
.mobile-nav-item {
  margin-bottom: var(--spacing-lg);
}

.mobile-nav a,
.mobile-nav-link {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

.mobile-nav-contact {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mobile-nav-phone,
.mobile-nav-email {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

/* ============================================================================
   6. BUTTONS
   ============================================================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  user-select: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button (Outline) */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Accent Button (Gold) */
.btn-accent {
  background-color: var(--color-accent-gold);
  color: var(--color-black);
  font-weight: 700;
}

.btn-accent:hover:not(:disabled) {
  background-color: var(--color-accent-gold-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Light Button */
.btn-light {
  background-color: var(--color-bg-light);
  color: var(--color-text);
}

.btn-light:hover:not(:disabled) {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
}

/* Dark Button */
.btn-dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-dark:hover:not(:disabled) {
  background-color: var(--color-dark-1);
}

/* Button Sizes */
.btn-sm {
  padding: calc(var(--spacing-xs) * 0.75) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ============================================================================
   7. HERO SECTIONS
   ============================================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 70px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(196, 30, 58, 0.2) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--color-white);
  max-width: 900px;
  padding: var(--spacing-lg);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-2xl);
  font-weight: 300;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ============================================================================
   8. CARDS
   ============================================================================ */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.card-image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.card-footer {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Card Badge */
.card-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 5;
}

/* ============================================================================
   9. GRID SYSTEM
   ============================================================================ */

.grid {
  display: grid;
  gap: var(--spacing-2xl);
}

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

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

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

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ============================================================================
   10. FORMS
   ============================================================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-text);
  transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

select {
  cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
  margin-right: var(--spacing-sm);
}

/* ============================================================================
   11. STATS SECTION
   ============================================================================ */

.stats {
  display: flex;
  gap: var(--spacing-3xl);
  justify-content: space-around;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  flex: 1;
  min-width: 200px;
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  font-weight: 500;
}

/* ============================================================================
   12. GALLERY
   ============================================================================ */

.gallery {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 1;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  background-color: rgba(0, 0, 0, 0.5);
}

.gallery-icon {
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* Masonry Grid */
.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  grid-auto-rows: 280px;
  grid-auto-flow: dense;
}

.gallery-masonry-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.gallery-masonry-item:nth-child(3n + 1) {
  grid-column: span 2;
  grid-row: span 1;
}

/* ============================================================================
   13. FOOTER
   ============================================================================ */

footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-section h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--color-gray-light);
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: var(--color-accent-gold);
  text-decoration: none;
}

.footer-newsletter {
  margin-bottom: var(--spacing-2xl);
}

.footer-newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.footer-newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-sm);
  background-color: var(--color-dark-2);
  color: var(--color-white);
}

.footer-newsletter-form input::placeholder {
  color: var(--color-gray-light);
}

.footer-newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-lg);
}

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

.footer-bottom-text {
  color: var(--color-gray-light);
  font-size: var(--font-size-sm);
}

.footer-social {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-dark-2);
  color: var(--color-white);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* ============================================================================
   14. UTILITY CLASSES
   ============================================================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-secondary {
  background-color: var(--color-bg-light);
  color: var(--color-text);
}

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

.badge-accent {
  background-color: var(--color-accent-gold);
  color: var(--color-black);
}

.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-bg-light);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

.tag:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Display Utilities */
.d-none {
  display: none;
}

.d-block {
  display: block;
}

.d-inline {
  display: inline;
}

.d-inline-block {
  display: inline-block;
}

.d-flex {
  display: flex;
}

.d-grid {
  display: grid;
}

/* Flex Utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* Margin Utilities */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.my-sm { margin-top: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.my-md { margin-top: var(--spacing-md); margin-bottom: var(--spacing-md); }
.my-lg { margin-top: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.my-xl { margin-top: var(--spacing-xl); margin-bottom: var(--spacing-xl); }

/* Padding Utilities */
.p-0 { padding: 0; }

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

/* Opacity */
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* ============================================================================
   15. ANIMATIONS
   ============================================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* IntersectionObserver Classes */
.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease-out forwards;
}

.slide-in-left {
  opacity: 0;
  animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right {
  opacity: 0;
  animation: slideInRight 0.6s ease-out forwards;
}

/* ============================================================================
   16. COURT DESIGNER PAGE
   ============================================================================ */

.color-swatch {
  display: inline-block;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  margin: var(--spacing-md);
  cursor: pointer;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-md);
}

.color-swatch:hover {
  transform: scale(1.1);
}

.swatch-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.svg-preview {
  width: 100%;
  max-width: 600px;
  height: 400px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
}

.toggle {
  position: relative;
  width: 50px;
  height: 26px;
  background-color: var(--color-gray-light);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.toggle.active {
  background-color: var(--color-primary);
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background-color: var(--color-white);
  border-radius: 50%;
  transition: left var(--transition-base);
}

.toggle.active .toggle-slider {
  left: 27px;
}

/* ============================================================================
   17. PROJECT DETAIL PAGE
   ============================================================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.gallery-grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 9;
}

.gallery-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-sm);
}

.specs-table th {
  background-color: var(--color-dark-1);
  color: var(--color-white);
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  border: none;
}

.specs-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:hover {
  background-color: var(--color-bg-lighter);
}

/* Timeline */
.timeline {
  position: relative;
  padding: var(--spacing-2xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background-color: var(--color-border);
  top: 0;
}

.timeline-item {
  margin-bottom: var(--spacing-3xl);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: 50%;
  padding-right: var(--spacing-2xl);
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50%;
  margin-right: 0;
  padding-left: var(--spacing-2xl);
  text-align: left;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  border: 4px solid var(--color-white);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: var(--shadow-md);
}

.timeline-content {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* ============================================================================
   18. RESPONSIVE BREAKPOINTS
   ============================================================================ */

/* Tablets (768px and up) */
@media (min-width: 768px) {
  .hamburger {
    display: none;
  }

  .mobile-nav {
    display: none;
  }

  .navbar-menu {
    display: flex;
  }
}

/* Small Devices (480px - 767px) */
@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  .navbar-menu {
    display: none;
  }

  .navbar-cta {
    margin-left: auto;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

  .stats {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    justify-content: center;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 50px;
    margin-right: 0;
    padding-left: var(--spacing-lg);
    text-align: left;
  }

  .timeline-marker {
    left: 10px;
  }
}

/* Medium Devices (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }
}

/* Large Devices (1024px and up) */
@media (min-width: 1024px) {
  .navbar-menu {
    display: flex;
  }

  .hamburger {
    display: none;
  }
}

/* Extra Large Devices (1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: var(--container-max-width);
  }
}

/* Print Styles */
@media print {
  body {
    background-color: var(--color-white);
  }

  .navbar,
  footer,
  .hamburger,
  .btn-secondary {
    display: none;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }

  p {
    page-break-inside: avoid;
  }
}

/* ============================================================================
   19. ACCESSIBILITY
   ============================================================================ */

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

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

  html {
    scroll-behavior: auto;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
  .btn-secondary {
    border-width: 3px;
  }

  input,
  textarea,
  select {
    border-width: 2px;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-text: #e8e8e8;
    --color-text-light: #a8a8a8;
    --color-border: #3a3a3a;
  }

  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  input[type="date"],
  textarea,
  select {
    background-color: var(--color-dark-1);
    color: var(--color-white);
    border-color: var(--color-dark-2);
  }

  .card {
    background-color: var(--color-dark-1);
  }

  .navbar {
    background-color: rgba(26, 26, 26, 0.85);
  }
}

/* ============================================================================
   20. END OF STYLESHEET
   ============================================================================ */

/* Fix: hero titles were falling back to the global dark heading color */
.hero-title, .hero-content h1, .hero-content h2 { color: var(--color-white); }