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

:root {
    /* Premium Grey/Black/White Palette */
    --primary-color: #1a1a1a;
    --secondary-color: #4a4a4a;
    --accent-color: #2d2d2d;
    --accent-secondary: #666666;
    --dark-color: #0a0a0a;
    --dark-secondary: #1f1f1f;
    --light-color: #f5f5f5;
    --text-color: #2d2d2d;
    --text-light: #6b6b6b;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 50%, #2d2d2d 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-vision {
    color: var(--primary-color);
    font-weight: 700;
}

.logo-x {
    color: #dc3545;
    font-weight: 700;
}

.logo-telecom {
    color: var(--primary-color);
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    color: var(--white);
    margin-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1);stop-opacity:1" /><stop offset="100%" style="stop-color:rgba(255,255,255,0);stop-opacity:1" /></linearGradient></defs><circle cx="100" cy="100" r="80" fill="url(%23grad)" opacity="0.5"><animate attributeName="cy" values="100;500;100" dur="20s" repeatCount="indefinite"/></circle><circle cx="300" cy="200" r="60" fill="url(%23grad)" opacity="0.3"><animate attributeName="cx" values="300;900;300" dur="25s" repeatCount="indefinite"/></circle><circle cx="700" cy="400" r="100" fill="url(%23grad)" opacity="0.4"><animate attributeName="cy" values="400;100;400" dur="30s" repeatCount="indefinite"/></circle><circle cx="1000" cy="300" r="70" fill="url(%23grad)" opacity="0.35"><animate attributeName="cx" values="1000;300;1000" dur="28s" repeatCount="indefinite"/></circle></svg>');
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.highlight {
    color: var(--white);
    position: relative;
}

.highlight .logo-x {
    color: #dc3545 !important;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.4s both;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--dark-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-matching {
    background: var(--accent-color);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-matching:hover {
    background: var(--dark-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

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

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

/* Services Section */
.services {
    padding: 5rem 0;
    background: var(--light-color);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
}

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

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #e5e5e5 100%);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.about-text {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.about-text:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.about-text h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.about-text p {
    margin: 0;
    color: var(--text-color);
    line-height: 1.8;
    font-size: 1.1rem;
}



/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--white);
}

.contact-content {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 1000px;
    width: 100%;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.social-media {
    margin-top: 4rem;
    text-align: center;
}

.social-media h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.social-media .social-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.social-media .social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    background: var(--light-color);
    border-radius: 15px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.social-media .social-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: var(--primary-color);
    color: var(--white);
}

.social-media .social-link:hover .social-icon {
    fill: var(--white);
}

.social-icon {
    width: 50px;
    height: 50px;
    fill: var(--primary-color);
    transition: fill 0.3s ease;
}

.contact-form {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form .btn {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Footer logo color overrides for visibility */
.footer .logo-vision,
.footer .logo-telecom {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    margin: auto;
    padding: 3rem;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: slideIn 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.modal-content p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    color: var(--text-light);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--dark-color);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

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

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .social-media .social-links {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn-matching {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 999;
        width: calc(100% - 40px);
        max-width: 300px;
        text-align: center;
    }
}

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

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}