/* CSS Variables */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2d3748;
    --accent-color: #e53e3e;
    --accent-gradient: linear-gradient(135deg, #e53e3e, #dd6b20);
    --text-light: #ffffff;
    --text-dark: #2d3748;
    --text-muted: #718096;
    --bg-light: #ffffff;
    --bg-section: #f7fafc;
    --bg-dark: #1a202c;
    --border-color: #e2e8f0;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-display: 'Courier New', 'Monaco', monospace;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.placeholder-image {
    width: 100%;
    height: 200px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    transition: var(--transition);
}

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

/* Icon styles */
.icon-phone, .icon-mail, .plus-icon, .hamburger {
    font-size: 16px;
    display: inline-block;
}

.social-links a {
    font-size: 18px;
    text-decoration: none;
}

.plus-icon {
    font-size: 14px;
}

.hamburger {
    font-size: 20px;
    cursor: pointer;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.header-top {
    background: var(--primary-color);
    padding: 8px 0;
    font-size: 14px;
}

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

.contact-info {
    display: flex;
    gap: 30px;
    color: var(--text-light);
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info i {
    width: 16px;
    height: 16px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--text-light);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    padding: 15px 0;
    background: var(--bg-light);
}

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

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    display: flex;
    flex-direction: column;
    gap: 4px;
    transform: rotate(45deg);
}

.logo-shape {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    display: block;
}

.logo-shape:nth-child(1) { background: var(--accent-color); }
.logo-shape:nth-child(2) { background: #ffd700; }
.logo-shape:nth-child(3) { background: #10b981; }

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.brand-subtitle {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

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

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

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    padding: 8px;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    height: 80vh;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="25" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="25" cy="75" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 80px 80px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(0px) translateX(-10px); }
    75% { transform: translateY(20px) translateX(5px); }
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(229, 62, 62, 0.1) 0%, 
        transparent 30%, 
        rgba(255, 215, 0, 0.1) 70%, 
        transparent 100%
    );
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-light);
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: 2px;
    opacity: 0;
    animation: slideInUp 1s ease-out 0.5s forwards;
}

.hero-title .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0.6;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    opacity: 0;
    animation: slideInUp 1s ease-out 0.7s forwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    opacity: 0;
    animation: slideInUp 1s ease-out 0.9s forwards;
}

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

/* Buttons */
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.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 0.5s ease;
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-light);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-light);
}

/* Hero Navigation */
.hero-nav {
    position: absolute;
    bottom: 30px;
    width: 100%;
}

.slide-indicators {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--text-light);
    transform: scale(1.2);
}

/* Services Overview */
.services-overview {
    padding: 100px 0;
    background: var(--bg-section);
}

.services-overview .container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
}

.services-intro h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.1;
}

.services-subtitle {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.services-description {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.learn-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
}

.learn-more::after {
    content: '→';
    margin-left: 10px;
    transition: var(--transition);
}

.learn-more:hover::after {
    transform: translateX(5px);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.service-card {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

.service-content {
    padding: 25px 20px;
    text-align: center;
}

.service-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--primary-color);
    letter-spacing: 1px;
}

/* Products Section */
.products-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-header {
    margin-bottom: 60px;
}

.tab-nav {
    display: flex;
    gap: 0;
    background: var(--bg-section);
    border-radius: var(--border-radius);
    padding: 5px;
    width: fit-content;
}

.tab-btn {
    padding: 15px 30px;
    background: transparent;
    border: none;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border-radius: calc(var(--border-radius) - 5px);
}

.tab-btn.active {
    background: var(--accent-gradient);
    color: var(--text-light);
}

.products-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.products-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.products-image img {
    width: 100%;
    height: auto;
    display: block;
}

.products-description {
    margin-top: 30px;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

.file-guide {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.file-guide::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 100px;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(25deg);
}

.file-guide h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.file-guide p {
    margin-bottom: 25px;
    opacity: 0.9;
}

.file-guide a {
    color: #ffd700;
    text-decoration: none;
}

.guide-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.guide-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.guide-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.commercial-service {
    background: var(--bg-section);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    border-left: 5px solid var(--accent-color);
}

.commercial-service h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.commercial-service p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* Testimonial Section */
.testimonial-section {
    padding: 100px 0;
    background: var(--bg-dark);
    color: var(--text-light);
    text-align: center;
    position: relative;
}

.testimonial-section::before {
    content: '"';
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 8rem;
    color: var(--accent-color);
    opacity: 0.3;
}

.testimonial-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    margin-bottom: 30px;
}

.testimonial-author h4 {
    color: var(--accent-color);
    font-size: 1.4rem;
    margin-bottom: 5px;
    letter-spacing: 2px;
}

.testimonial-author p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

.testimonial-text {
    font-size: 1.3rem;
    line-height: 1.8;
    font-style: italic;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-nav {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.nav-dot.active {
    background: var(--accent-color);
}

/* Clients Section */
.clients-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.clients-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: center;
}

.clients-logos h3 {
    font-family: var(--font-display);
    color: var(--primary-color);
    margin-bottom: 40px;
    font-size: 2rem;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg-section);
    border-radius: var(--border-radius);
    transition: var(--transition);
    filter: grayscale(100%);
}

.client-logo:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
    box-shadow: var(--shadow-light);
}

.client-logo img {
    max-width: 100%;
    height: 60px;
    object-fit: contain;
}

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

.clients-cta h3 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.clients-cta p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-section h3 {
    font-family: var(--font-display);
    margin-bottom: 25px;
    font-size: 1.4rem;
    letter-spacing: 1px;
}

.footer-section p {
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
}

.footer-logo {
    margin-top: 30px;
}

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

.schedule {
    margin-top: 20px;
}

.schedule p {
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .header-top {
        display: none;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .services-overview .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .products-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .clients-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
    }
}

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

.animate-in {
    animation: fadeInUp 0.8s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-section);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}