/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-color: #FF6B35;
    --secondary-color: #1a1a1a;
    --text-dark: #2c2c2c;
    --text-light: #666666;
    --gray-light: #f5f5f5;
    --gray-medium: #e0e0e0;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.highlight {
    color: var(--primary-color);
}

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

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: #e55a28;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-loading {
    display: none;
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 50px;
    width: auto;
}

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

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

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

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

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

.btn-nav {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 6px;
}

.btn-nav:hover {
    background: #e55a28;
}

.btn-nav::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    background-image: url('https://blog.comsourceny.com/hubfs/Connection%20network%20in%20servers%20data%20center%20room%20storage%20systems%203D%20rendering.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.85);
}

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

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-features {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--white);
}

.hero-feature i {
    font-size: 2rem;
    color: var(--primary-color);
}

.hero-feature span {
    font-weight: 500;
}

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

/* ===================================
   Trust Section
   =================================== */
.trust-section {
    background: var(--gray-light);
    padding: 60px 0;
    text-align: center;
}

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

.trust-icon {
    margin-bottom: 1.5rem;
}

.trust-icon i {
    font-size: 4rem;
    color: var(--primary-color);
}

.trust-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.trust-content p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, #fff 0%, #fff5f2 100%);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff8f5a 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card > p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
}

.service-features i {
    color: var(--primary-color);
    font-size: 1rem;
}

/* ===================================
   Why Choose Us Section
   =================================== */
.why-choose {
    background: var(--gray-light);
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-choose-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.intro-text {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.why-feature {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.why-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.why-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.why-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.why-text p {
    margin: 0;
}

.why-choose-image {
    position: relative;
}

.why-choose-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-stat {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.value-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.value-item span {
    color: var(--text-light);
    font-weight: 500;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--gray-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info > p {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.contact-item p {
    margin: 0;
}

.contact-hours {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
    border-left: 4px solid var(--primary-color);
}

.contact-hours h4 {
    margin-bottom: 1rem;
}

.contact-hours p {
    margin-bottom: 0.5rem;
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--gray-medium);
    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);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    padding: 12px;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ===================================
   Newsletter Section
   =================================== */
.newsletter {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2c2c2c 100%);
    color: var(--white);
    padding: 60px 0;
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.newsletter-text {
    flex: 1;
}

.newsletter-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.newsletter-form {
    flex: 1;
}

.newsletter-input-group {
    display: flex;
    gap: 1rem;
}

.newsletter-input-group input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
}

.newsletter-input-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

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

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

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

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

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top:hover {
    background: #e55a28;
    transform: translateY(-5px);
}

.scroll-to-top.show {
    display: flex;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .why-choose-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .why-choose-image,
    .about-image {
        order: -1;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        margin-top: 70px;
        min-height: 80vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-features {
        gap: 1.5rem;
    }

    section {
        padding: 60px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .newsletter-input-group {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .service-card {
        padding: 2rem;
    }
}