:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #0ea5e9;
    --accent: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

.logo {
    font-size: 28px;
    font-weight: 900;
    text-decoration: none;
    letter-spacing: -1px;
}

.logo-ay {
    color: var(--white);
}

.logo-tech {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: clamp(24px, 5.5vw, 96px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
        letter-spacing: 0;
        line-height: 1.25;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 24px;
    }
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 50px;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-2);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    border-color: var(--white);
    color: var(--white);
    background: transparent;
}

.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
}

.btn-outline-dark {
    border-color: var(--dark);
    color: var(--dark);
    background: transparent;
}

.btn-outline-dark:hover {
    background: var(--dark);
    color: var(--white);
}

.btn-lg {
    padding: 20px 40px;
    font-size: 18px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 0;
        top: 8px;
    }
    50% {
        opacity: 1;
        top: 16px;
    }
}

/* Services Preview */
.services-preview {
    padding: 120px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray);
    font-weight: 300;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 12px;
}

/* Featured Projects */
.featured-projects {
    padding: 120px 0;
    background: var(--light);
}

.projects-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

@media (max-width: 768px) {
    .projects-slider {
        grid-template-columns: 1fr;
    }
}

.project-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: var(--primary);
}

.project-card.featured {
    grid-column: span 2;
}

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.project-card.featured .project-image {
    height: 400px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-project {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-info {
    padding: 30px;
}

.project-category {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.project-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.project-info p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 6px 14px;
    background: var(--light);
    border-radius: 20px;
    font-size: 13px;
    color: var(--gray);
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-2);
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 20px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    line-height: 1.8;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

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

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* Utilities */
.mt-60 {
    margin-top: 60px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        padding: 80px 30px;
        transition: right 0.3s ease;
        gap: 20px;
        z-index: 99999;
    }

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

    .hamburger {
        display: flex;
        z-index: 100000;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 36px;
    }

    .projects-slider {
        grid-template-columns: 1fr;
    }

    .project-card.featured {
        grid-column: span 1;
    }

    .cta-content h2 {
        font-size: 32px;
    }
    
    /* Services Grid Mobile */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}