/* ================================================
   Police Patrol Car Management Marketing Website
   Modern, Responsive Design
   ================================================ */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #059669;
    --secondary-dark: #047857;
    --accent-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --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;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --font-primary: 'Sarabun', sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

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

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #fff;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.btn-demo {
    padding: 0.5rem 1.25rem;
    background: var(--primary-color);
    color: white !important;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-demo:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--secondary-color) 100%);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    text-align: center;
    color: white;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.gradient-text {
    background: linear-gradient(90deg, #60a5fa 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-item i {
    font-size: 2.5rem;
    opacity: 0.9;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: white;
    animation: bounce 2s infinite;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== Section Styles ===== */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== Features Overview ===== */
.features-overview {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 12px;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.feature-link:hover {
    gap: 0.75rem;
}

/* ===== Technology Stack ===== */
.tech-stack {
    background: var(--gray-900);
    color: white;
}

.tech-stack .section-header h2,
.tech-stack .section-header p {
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: var(--transition);
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.tech-item i {
    font-size: 3rem;
    color: var(--primary-light);
}

.tech-item span {
    font-weight: 600;
    text-align: center;
}

/* ===== Benefits Section ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    text-align: center;
    padding: 2rem;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-color), var(--success-color));
    color: white;
    border-radius: 50%;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.footer-brand i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.footer-col p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-col h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-col ul li i {
    margin-right: 0.5rem;
    color: var(--primary-light);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-500);
}

.footer-bottom a {
    color: var(--primary-light);
}

/* ===== Page Header ===== */
.page-header {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* ===== Feature Detail Pages ===== */
.feature-detail {
    padding: 5rem 0;
}

.feature-detail.alt {
    background: var(--gray-50);
}

.feature-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: center;
}

.feature-detail-grid.reverse {
    direction: rtl;
}

.feature-detail-grid.reverse > * {
    direction: ltr;
}

.feature-detail-content .lead {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-list-item {
    display: flex;
    gap: 1rem;
}

.feature-list-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: white;
    border-radius: 10px;
    font-size: 1.5rem;
}

.feature-list-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.feature-list-content p {
    color: var(--gray-600);
    line-height: 1.7;
}

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

.feature-image-card {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.feature-image-badge {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== About Page Specific ===== */
.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem;
    background: var(--gray-50);
    border-radius: 16px;
}

.arch-layer {
    display: flex;
    gap: 2rem;
    justify-content: center;
    width: 100%;
}

.arch-layer.multi {
    flex-wrap: wrap;
}

.arch-box {
    flex: 1;
    max-width: 400px;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.arch-box i {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.arch-box h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.arch-box p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.arch-components {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.arch-components span {
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.arch-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.tech-section {
    background: var(--gray-50);
}

.tech-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tech-detail-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tech-detail-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tech-detail-header i {
    font-size: 2rem;
}

.tech-detail-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.tech-detail-list {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tech-detail-list .tech-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0;
    background: none;
}

.tech-detail-list .tech-item i {
    flex-shrink: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.tech-detail-list .tech-item strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.tech-detail-list .tech-item p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.system-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.sys-feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.sys-feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.sys-feature-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.sys-feature-card p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.docker-section {
    background: var(--gray-50);
}

.docker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.docker-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.docker-header {
    padding: 1.5rem;
    background: var(--gray-900);
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.docker-header i {
    font-size: 2rem;
}

.docker-body {
    padding: 1.5rem;
}

.docker-info {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.docker-info:last-child {
    border-bottom: none;
}

.docker-info .label {
    font-weight: 600;
    color: var(--gray-700);
}

.docker-info .value {
    color: var(--gray-600);
}

.volume-info {
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.volume-info h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.volume-info h4 i {
    color: var(--primary-color);
}

.volume-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.volume-item code {
    display: block;
    padding: 0.75rem 1rem;
    background: var(--gray-100);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.volume-item p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.production-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.prod-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.prod-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: white;
    border-radius: 50%;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.prod-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 0.75rem;
}

.prod-card p,
.prod-card a {
    font-size: 1.125rem;
    color: var(--gray-900);
    font-weight: 600;
}

.prod-card a:hover {
    color: var(--primary-color);
}

.status-active {
    color: var(--success-color) !important;
}

/* ===== Contact Page ===== */
.contact-section {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper,
.contact-info-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.contact-form-wrapper p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-success {
    text-align: center;
    padding: 2rem;
}

.form-success i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.contact-info-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: white;
    border-radius: 10px;
    font-size: 1.25rem;
}

.contact-details h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--gray-600);
    line-height: 1.7;
}

.contact-details a {
    color: var(--primary-color);
}

.social-links {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.social-links h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.social-icons-large {
    display: flex;
    gap: 1rem;
}

.social-icon-large {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: white;
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-icon-large:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.social-icon-large.facebook { background: #1877f2; }
.social-icon-large.twitter { background: #1da1f2; }
.social-icon-large.line { background: #00b900; }
.social-icon-large.github { background: #333; }

.faq-section {
    background: var(--gray-50);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.faq-question i {
    flex-shrink: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-question h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.7;
    padding-left: 2.5rem;
}

.map-section {
    background: var(--gray-50);
}

.map-placeholder {
    text-align: center;
    padding: 5rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.map-placeholder i {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.map-placeholder p {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.map-placeholder small {
    color: var(--gray-500);
}

/* ===== Animations ===== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-detail-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: white;
        box-shadow: var(--shadow-lg);
        padding: 2rem;
        transition: var(--transition);
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .benefits-grid,
    .tech-grid,
    .system-features-grid,
    .production-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .arch-layer {
        flex-direction: column;
    }
    
    .tech-detail-grid,
    .docker-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
}