/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #e8e8e8;
    --dark: #e0e0e0;
    --gray-900: #f0f0f0;
    --gray-800: #d9d9d9;
    --gray-700: #cccccc;
    --gray-400: #555555;
    --gray-300: #333333;
    --white: #1a1a1a;
    --accent: #d9d9d9;
    --nav-bg: #d9d9d9;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    scroll-behavior: smooth;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: #d9d9d9;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-300);
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--white) !important;
    color: var(--black) !important;
    padding: 10px 20px !important;
    border-radius: 8px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    opacity: 0.9;
}

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

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center top, rgba(102, 126, 234, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-700);
}

.btn-secondary:hover {
    border-color: var(--gray-400);
    background: rgba(255, 255, 255, 0.05);
}

.btn-large {
    padding: 20px 48px;
    font-size: 18px;
}

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

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Styles */
section {
    padding: 120px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gray-900);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--gray-700);
    transform: translateY(-4px);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    stroke: var(--white);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-400);
    line-height: 1.7;
}

/* Work Section */
.work-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.work-item {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 9/16;
    background: var(--gray-800);
}

.work-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.work-item:hover img {
    transform: scale(1.05);
}

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

@media (max-width: 900px) {
    .work-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .work-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Testimonials */
.testimonials {
    background: var(--dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 20px;
    padding: 32px;
}

.testimonial-content p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 24px;
    color: var(--gray-300);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-weight: 600;
}

.author-info span {
    font-size: 14px;
    color: var(--gray-400);
}

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

.about-content {
    max-width: 700px;
}

.about-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 24px;
    margin-top: 16px;
}

.about-content p {
    font-size: 18px;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* Contact Section */
.contact {
    background: var(--gray-900);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 40px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 20px;
    color: var(--white);
    transition: opacity 0.3s;
}

.contact-item:hover {
    opacity: 0.7;
}

.contact-icon {
    font-size: 24px;
}

.contact-social {
    margin-top: 32px;
}

/* Footer */
.footer {
    background: var(--dark);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-400);
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column a,
.footer-column span {
    display: block;
    color: var(--gray-400);
    margin-bottom: 12px;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-400);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero {
        padding: 100px 24px 60px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .work-item-large {
        grid-row: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}