/* ============================================
   COLUMBUS WALLPAPER INSTALLER - STYLES
   Modern Luxury Minimalism Design System
   ============================================ */

/* ============================================
   1. ROOT & VARIABLES
   ============================================ */

:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-beige: #F5F1ED;
    --color-light-gray: #E8E8E8;
    --color-gray: #D4D4D4;
    --color-charcoal: #1A1A1A;
    --color-gold: #D4AF6A;
    --color-gold-light: #E8D5B7;
    --color-text-dark: #2C2C2C;
    --color-text-light: #666666;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-size-h1: 3rem;
    --font-size-h2: 2.25rem;
    --font-size-h3: 1.5rem;
    --font-size-body: 1rem;
    --font-size-small: 0.875rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 300ms ease-out;
    --transition-slow: 500ms ease-out;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-charcoal);
}

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

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

h3 {
    font-size: var(--font-size-h3);
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    font-size: var(--font-size-body);
    color: var(--color-text-light);
    line-height: 1.8;
}

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

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

/* ============================================
   4. CONTAINER & LAYOUT
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

section {
    padding: var(--spacing-3xl) 0;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-lg);
}

/* ============================================
   5. BUTTONS
   ============================================ */

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

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-charcoal);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   6. NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
    border-bottom: 1px solid rgba(212, 175, 106, 0.1);
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    color: var(--color-charcoal);
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-text-dark);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-gold);
}

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

.nav-cta {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--color-gold);
    color: var(--color-charcoal);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

/* ============================================
   7. HERO SECTION
   ============================================ */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
    margin-top: 60px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 600px;
    margin-left: var(--spacing-3xl);
    color: var(--color-white);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    color: var(--color-white);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-buttons .btn {
    animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-item a,
.info-item span {
    color: var(--color-white);
    font-size: var(--font-size-body);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-xs);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: 0 auto;
    border: 2px solid var(--color-white);
    border-top: none;
    border-left: none;
    transform: rotate(-45deg);
}

@media (max-width: 768px) {
    .hero {
        height: auto;
        min-height: 80vh;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-content {
        margin-left: 0;
        padding: 0 var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

/* ============================================
   8. ABOUT SECTION
   ============================================ */

.about {
    background-color: var(--color-beige);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.0625rem;
    line-height: 1.9;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================
   9. SERVICES SECTION
   ============================================ */

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(245, 241, 237, 0.5) 100%);
    backdrop-filter: blur(10px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 175, 106, 0.2);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-charcoal);
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ============================================
   10. WHY CHOOSE US SECTION
   ============================================ */

.why-choose {
    background: linear-gradient(135deg, var(--color-charcoal) 0%, #2a2a2a 100%);
    color: var(--color-white);
}

.why-choose .section-header h2,
.why-choose .section-header h2::after {
    color: var(--color-white);
    background: var(--color-gold);
}

.why-choose .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.reason-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 175, 106, 0.2);
    transition: all var(--transition-base);
}

.reason-card:hover {
    background: rgba(212, 175, 106, 0.1);
    border-color: var(--color-gold);
    transform: translateX(5px);
}

.reason-check {
    font-size: 1.5rem;
    color: var(--color-gold);
    font-weight: 700;
    flex-shrink: 0;
}

.reason-card h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.reason-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* ============================================
   11. GALLERY SECTION
   ============================================ */

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

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 1;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    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: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.gallery-overlay p {
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

/* ============================================
   12. PROCESS SECTION
   ============================================ */

.process {
    background-color: var(--color-beige);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.process-step {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

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

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.process-step h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-charcoal);
}

.process-step p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ============================================
   13. FAQ SECTION
   ============================================ */

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

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

.accordion-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-sm);
}

.accordion-header {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

.accordion-header:hover {
    background: var(--color-beige);
    color: var(--color-gold);
}

.accordion-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    background: var(--color-beige);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-content p {
    padding: var(--spacing-lg);
    color: var(--color-text-light);
}

/* ============================================
   14. CONTACT SECTION
   ============================================ */

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.contact-info {
    background: linear-gradient(135deg, rgba(245, 241, 237, 0.5) 0%, rgba(255, 255, 255, 0.8) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 175, 106, 0.2);
}

.info-block {
    margin-bottom: var(--spacing-lg);
}

.info-block h3 {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
}

.info-block h4 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.info-block p {
    color: var(--color-text-light);
    line-height: 1.8;
}

.owner-name {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.contact-link {
    color: var(--color-gold);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-charcoal);
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.contact-buttons .btn {
    flex: 1;
}

.contact-form-wrapper {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(245, 241, 237, 0.5) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(212, 175, 106, 0.2);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--color-charcoal);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 106, 0.1);
}

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

.contact-form button {
    margin-top: var(--spacing-md);
}

.success-message {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(212, 175, 106, 0.1) 0%, rgba(245, 241, 237, 0.5) 100%);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-gold);
}

.success-message h3 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.success-message p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.map-section {
    margin-top: var(--spacing-3xl);
}

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

.map-section iframe {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .contact-buttons .btn {
        width: 100%;
    }
}

/* ============================================
   15. FOOTER
   ============================================ */

.footer {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(212, 175, 106, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ============================================
   16. ANIMATIONS
   ============================================ */

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Scroll reveal animations */
.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.slide-in {
    opacity: 0;
    animation: slideInUp 0.8s ease-out forwards;
}

/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* ============================================
   17. UTILITY CLASSES
   ============================================ */

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

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

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

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

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

/* ============================================
   18. RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    p {
        font-size: 0.95rem;
    }
    
    .nav-menu {
        gap: var(--spacing-lg);
    }
    
    .services-grid,
    .reasons-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
}

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

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

/* Focus styles for keyboard navigation */
button:focus,
a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
    .btn-secondary {
        border-width: 3px;
    }
    
    .accordion-item {
        border-width: 2px;
    }
}