/* ATS Engineering - Main Stylesheet */

:root {
    --primary: #4A5568;
    --primary-light: #5A6578;
    --secondary: #6B7280;
    --accent: #8B3A3A;
    --accent-hover: #7A3232;
    --dark: #1f2937;
    --header-footer: #8B3A3A;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* ==================== NAVIGATION ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--header-footer);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.navbar-logo {
    display: flex;
    align-items: center;
}

.navbar-logo img {
    height: 60px;
    width: auto;
}

.navbar-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-menu a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-menu a:hover {
    color: var(--white);
}

.navbar-menu .btn-accent {
    background: var(--accent);
    color: var(--white);
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
}

.navbar-menu .btn-accent:hover {
    background: var(--accent-hover);
}

.mobile-menu-btn {
    display: flex;
    padding: 0.5rem;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu {
    display: none;
    background: rgba(30, 58, 95, 0.98);
    backdrop-filter: blur(10px);
    padding: 1rem;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    padding: 0.75rem 0;
    font-weight: 500;
}

.mobile-menu a:hover {
    color: var(--white);
}

.mobile-menu .btn-accent {
    display: block;
    background: var(--accent);
    color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    text-align: center;
    margin-top: 0.5rem;
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.9) 0%, rgba(37, 99, 235, 0.85) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 48rem;
    padding: 8rem 0 4rem;
}

.hero-tagline {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn svg {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.5rem;
}

/* ==================== SECTIONS ==================== */
.section {
    padding: 5rem 0;
}

@media (min-width: 1024px) {
    .section {
        padding: 7rem 0;
    }
}

.section-gray {
    background: var(--gray-50);
}

.section-dark {
    background: var(--primary);
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tagline {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.section-dark .section-tagline {
    color: var(--accent);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-dark .section-title {
    color: var(--white);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 42rem;
    margin: 0 auto;
}

.section-dark .section-description {
    color: rgba(255, 255, 255, 0.8);
}

/* ==================== STATS BAR ==================== */
.stats-bar {
    background: var(--white);
    padding: 4rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: center;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

@media (min-width: 1024px) {
    .stat-item h3 {
        font-size: 3rem;
    }
}

.stat-item p {
    color: var(--gray-600);
    font-weight: 500;
}

/* ==================== CARDS ==================== */
.card {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.card-icon.blue {
    background: rgba(37, 99, 235, 0.1);
    color: var(--secondary);
}

.card-icon.orange {
    background: rgba(234, 88, 12, 0.1);
    color: var(--accent);
}

.card-icon.green {
    background: rgba(22, 163, 74, 0.1);
    color: #16a34a;
}

.card-icon.purple {
    background: rgba(147, 51, 234, 0.1);
    color: #9333ea;
}

.card-icon.red {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.card-icon.amber {
    background: rgba(217, 119, 6, 0.1);
    color: #d97706;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.card-link {
    color: var(--secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.card-link svg {
    width: 1rem;
    height: 1rem;
    margin-left: 0.25rem;
}

/* ==================== GRID LAYOUTS ==================== */
.grid-2 {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.grid-3 {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.grid-4 {
    display: grid;
    gap: 2rem;
}

@media (min-width: 640px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==================== PRODUCT CARDS ==================== */
.product-card {
    position: relative;
    border-radius: 1rem;
    padding: 2rem 2.5rem;
    color: var(--white);
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 16rem;
    height: 16rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(50%, -50%);
}

.product-card.blue {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.product-card.dark {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
}

.product-card.orange {
    background: linear-gradient(135deg, var(--accent) 0%, #dc4c05 100%);
}

.product-card-content {
    position: relative;
}

.product-card-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-card-icon svg {
    width: 2rem;
    height: 2rem;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.product-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.product-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.product-card li {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
}

.product-card li svg {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
    color: var(--accent);
}

.product-card .btn {
    background: var(--white);
    color: var(--primary);
}

.product-card .btn:hover {
    background: var(--gray-100);
}

.product-card.orange .btn {
    color: var(--accent);
}

/* ==================== APPLICATION CARDS ==================== */
.application-card {
    display: block;
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.application-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--gray-100);
}

.application-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.application-card:hover .application-card-image img {
    transform: scale(1.05);
}

.application-card-content {
    padding: 1.5rem;
}

.application-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.application-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 8rem 0 4rem;
    color: var(--white);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
    color: var(--white);
}

.breadcrumb svg {
    width: 1rem;
    height: 1rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

@media (min-width: 1024px) {
    .page-title {
        font-size: 3rem;
    }
}

.page-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 48rem;
}

/* ==================== APPLICATION DETAIL PAGE ==================== */
.app-detail-content {
    display: grid;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (min-width: 1024px) {
    .app-detail-content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.app-detail-image {
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.app-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.app-detail-info h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-detail-info h2 svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--secondary);
}

.app-detail-info p {
    color: var(--gray-600);
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.benefits-list, .features-list {
    list-style: none;
}

.benefits-list li, .features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.benefits-list li svg, .features-list li svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #16a34a;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.specs-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.specs-card {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.specs-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.specs-card h3 svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--secondary);
}

.specs-table {
    width: 100%;
}

.specs-table tr {
    border-bottom: 1px solid var(--gray-200);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 0.75rem 0;
}

.specs-table td:first-child {
    color: var(--gray-600);
}

.specs-table td:last-child {
    font-weight: 600;
    color: var(--dark);
    text-align: right;
}

.related-apps {
    margin-top: 4rem;
}

.related-apps h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary);
    font-weight: 600;
    margin-top: 2rem;
}

.back-link:hover {
    color: var(--primary);
}

.back-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* ==================== GALLERY ==================== */
.gallery-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--gray-100);
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ==================== CONTACT FORM ==================== */
.contact-grid {
    display: grid;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
    }
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(30, 58, 95, 0.1);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.contact-info-item h4 {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.contact-info-item p, .contact-info-item a {
    color: var(--gray-600);
}

.contact-info-item a:hover {
    color: var(--secondary);
}

.contact-form {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

@media (min-width: 1024px) {
    .contact-form {
        padding: 2.5rem;
    }
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
    .form-row.two-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.form-submit:hover {
    background: var(--accent-hover);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--header-footer);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-brand img {
    height: 3.5rem;
    width: auto;
}

.footer-brand span {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-about {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
    max-width: 28rem;
}

.footer h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ==================== FEATURE CARDS (DARK SECTION) ==================== */
.feature-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
}

.feature-card-icon {
    width: 3rem;
    height: 3rem;
    background: var(--accent);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-card-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* ==================== SERVICE CARDS ==================== */
.service-card {
    text-align: center;
}

.service-card-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-card-icon svg {
    width: 2rem;
    height: 2rem;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
}

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.hidden { display: none; }

@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:flex { display: flex; }
}

/* ==================== CTA SECTION ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: var(--accent);
}

.cta-section .btn-primary:hover {
    background: var(--accent-hover);
}
