/* ==========================================================================
   Modern Cleaning Company CSS
   Responsive, glassmorphism design with animations
   ========================================================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #ffffff;
    --text-muted: #9ca3af;
    
    /* Background Colors */
    --bg-primary: rgba(255, 255, 255, 0.95);
    --bg-secondary: rgba(248, 250, 252, 0.95);
    --bg-dark: rgba(15, 23, 42, 0.95);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --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);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background: transparent;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-sm);
}

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

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

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

/* Container */
.container {
    max-width: min(1400px, 90vw);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 1440px) {
    .container {
        max-width: min(1600px, 85vw);
    }
}

@media (min-width: 2560px) {
    .container {
        max-width: min(2000px, 80vw);
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-normal);
}

.btn:hover:before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-light);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-light);
}

.btn-large {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

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

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

.nav-link:after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-fast);
}

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

.nav-cta {
    margin-left: var(--space-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-3xl) 0;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    width: 100%;
}

@media (min-width: 1440px) {
    .hero-content {
        gap: var(--space-4xl);
    }
}

@media (min-width: 2560px) {
    .hero {
        min-height: 90vh;
    }
    .hero-content {
        gap: 6rem;
    }
}

.hero-text {
    z-index: 2;
}

.hero-title {
    margin-bottom: var(--space-md);
}

.title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: var(--text-2xl);
    font-weight: 500;
}

.title-main {
    display: block;
    font-size: var(--text-6xl);
    color: var(--text-primary);
    margin-top: var(--space-xs);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

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

.hero-stats {
    display: flex;
    gap: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    max-width: 500px;
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

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

/* Section Styles */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    padding: var(--space-2xl);
}

.section-title {
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

@media (min-width: 1440px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: var(--space-xxl);
    }
}

@media (min-width: 2560px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
        gap: 3rem;
    }
}

.service-card {
    padding: var(--space-xl);
    position: relative;
    transition: all var(--transition-normal);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-card.featured {
    border: 2px solid var(--accent);
}

.service-icon {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: var(--text-xl);
}

.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.service-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-content h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    flex: 1;
}

.service-features {
    list-style: none;
    margin-top: auto;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.service-features i {
    color: var(--success);
    font-size: var(--text-xs);
}

.service-badge {
    position: absolute;
    top: -10px;
    left: var(--space-lg);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--text-light);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    padding: var(--space-3xl);
    align-items: start;
}

.about-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.about-features {
    display: grid;
    gap: var(--space-lg);
}

.feature {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.feature-content h4 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.feature-content p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stat-card {
    padding: var(--space-lg);
    text-align: center;
    transition: transform var(--transition-normal);
}

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

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: var(--text-xl);
    margin: 0 auto var(--space-sm);
}

.stat-card .stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    margin-top: var(--space-xl);
}

.contact-info {
    padding: var(--space-xl);
}

.contact-info h3 {
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-xs);
}

.contact-social {
    margin-top: var(--space-xl);
}

.contact-social h4 {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Forms */
.contact-form {
    padding: var(--space-xl);
}

.contact-form h3 {
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-message {
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
    display: block;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--space-md);
    color: var(--text-light);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-logo {
    width: 40px;
    height: 40px;
}

.footer-section p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-light);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
}

.footer-contact i {
    width: 16px;
    color: var(--primary);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-content {
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-xl);
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.modal-header h2 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: var(--space-lg);
        padding: var(--space-3xl) var(--space-md);
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: var(--space-2xl) 0;
        min-height: auto;
    }
    
    .hero-content {
        padding: var(--space-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .contact-info,
    .contact-form {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-content {
        padding: var(--space-lg);
    }
    
    .section-header {
        padding: var(--space-lg);
    }
    
    .service-card {
        padding: var(--space-lg);
    }
    
    .modal-content {
        padding: var(--space-lg);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.8s ease-out forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.8s ease-out forwards;
}

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

/* Form field error styles */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.field-error {
    color: var(--danger);
    font-size: var(--text-xs);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.field-error:before {
    content: '⚠';
    font-size: var(--text-sm);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary);
    color: var(--text-light);
    padding: 8px;
    border-radius: var(--radius-md);
    text-decoration: none;
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Keyboard navigation styles */
.keyboard-navigation *:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.hidden { display: none; }
.visible { display: block; }

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .btn,
    .modal {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .glass-container {
        background: white !important;
        backdrop-filter: none !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
}

/* Ultra-wide screen improvements */
@media (min-width: 1440px) {
    section {
        padding: 6rem 0;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .section-subtitle {
        font-size: 1.4rem;
        max-width: 800px;
        margin: 0 auto;
    }
}

@media (min-width: 2560px) {
    section {
        padding: 8rem 0;
    }
    
    .section-title {
        font-size: 4rem;
    }
    
    .section-subtitle {
        font-size: 1.6rem;
        max-width: 1000px;
    }
    
    /* Better spacing for ultra-wide */
    .hero-title {
        font-size: 5rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
}

/* Center content better on all screen sizes */
.main-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

body {
    overflow-x: hidden;
    width: 100%;
}

html {
    width: 100%;
}