/* Import Inter Variable Font */
@font-face {
    font-family: 'Inter Variable';
    src: url('../assets/fonts/InterVariable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-card: rgba(15, 15, 15, 0.9);
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-accent: #9ca3af;
    --color-accent-hover: #d1d5db;
    --color-border: rgba(255, 255, 255, 0.1);
    
    --font-family: 'Inter Variable', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
    
    /* Grid background variables */
    --grid-size: 50px;
    --grid-color: rgba(255, 255, 255, 0.03);
}

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

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

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

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

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

a:hover {
    color: var(--color-accent-hover);
}

/* Accent Text */
.accent-text {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    font-family: var(--font-family);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    outline: none;
}

.btn i {
    font-size: var(--font-size-lg);
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

.btn-primary i {
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-primary:hover i {
    color: var(--color-accent);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-secondary i {
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-bg-card);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-secondary:hover i {
    color: var(--color-accent);
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background-color: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    transform: translateY(0);
    opacity: 1;
}

.navbar.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.navbar.hidden {
    transform: translateY(-100%);
    opacity: 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: flex-start;
}

.nav-logo a {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
}

.nav-logo a:hover {
    color: var(--color-accent);
}

.logo-image {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    transition: var(--transition-fast);
}

.nav-logo a:hover .logo-image {
    transform: scale(1.1);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    transition: var(--transition-fast);
    border-radius: var(--border-radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: var(--spacing-lg);
        right: var(--spacing-lg);
        background: linear-gradient(135deg, rgba(0, 0, 0, 0.98) 0%, rgba(10, 10, 10, 0.95) 100%);
        flex-direction: column;
        padding: var(--spacing-2xl);
        border-radius: var(--border-radius-xl);
        border: 1px solid rgba(255, 255, 255, 0.1);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        backdrop-filter: blur(20px);
        box-shadow: var(--shadow-xl);
        gap: var(--spacing-sm);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: var(--font-size-lg);
        font-weight: 600;
        color: var(--color-text-secondary);
        background-color: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        border-radius: var(--border-radius-lg);
        margin-bottom: var(--spacing-sm);
        transition: all var(--transition-fast);
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(156, 163, 175, 0.1), transparent);
        transition: var(--transition-normal);
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--color-text-primary);
        background-color: rgba(156, 163, 175, 0.1);
        border-color: var(--color-accent);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 1001;
    }
    
    .nav-toggle i {
        transition: var(--transition-fast);
    }
    
    /* Hamburger animation */
    .nav-toggle.active {
        color: var(--color-accent);
    }
    
    /* Add subtle animation to mobile menu items */
    .nav-menu.active .nav-link {
        animation: slideInUp 0.4s ease-out forwards;
    }
    
    .nav-menu.active .nav-link:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.active .nav-link:nth-child(2) { animation-delay: 0.15s; }
    .nav-menu.active .nav-link:nth-child(3) { animation-delay: 0.2s; }
    .nav-menu.active .nav-link:nth-child(4) { animation-delay: 0.25s; }
    .nav-menu.active .nav-link:nth-child(5) { animation-delay: 0.3s; }
    .nav-menu.active .nav-link:nth-child(6) { animation-delay: 0.35s; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    z-index: 1001;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--color-bg-primary);
    background-image: 
        linear-gradient(to bottom, transparent 0%, transparent 60%, rgba(0, 0, 0, 0.8) 85%, var(--color-bg-primary) 100%),
        radial-gradient(circle at 20% 80%, rgba(156, 163, 175, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(156, 163, 175, 0.1) 0%, transparent 40%),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px),
        linear-gradient(0deg, var(--grid-color) 1px, transparent 1px);
    background-size: 
        100% 100%,
        100% 100%,
        100% 100%,
        var(--grid-size) var(--grid-size),
        var(--grid-size) var(--grid-size);
    background-position: 
        0 0,
        0 0,
        0 0,
        0 0,
        0 0;
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-4xl);
    align-items: center;
}

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

.hero-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-accent);
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3xl);
    text-align: left;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-start;
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
        padding: 0 var(--spacing-lg);
        grid-template-areas: 
            "image"
            "content";
    }
    
    .hero-content {
        grid-area: content;
        max-width: none;
    }
    
    .hero-image {
        grid-area: image;
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }
    
    .hero-title {
        text-align: center;
    }
    
    .hero-subtitle {
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        max-width: 300px;
        margin: 0 auto;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-3xl);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-secondary);
    animation: bounce 2s infinite;
}

/* Section Styles */
section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: var(--color-bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.about-text h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.skill-card {
    background-color: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

.skill-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-accent);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.skill-icon i {
    color: var(--color-bg-primary);
    font-size: var(--font-size-xl);
}

.skill-card h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.skill-card p {
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* Experience Sections */
.experience-grid {
    display: none; /* Hide old grid layout */
}

/* News Section */
.news {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.news-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    position: relative;
    box-shadow: var(--shadow-lg);
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.news-card:hover {
    transform: translateY(-12px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

.news-card:hover::before {
    opacity: 1;
}

.news-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.news-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-accent);
    color: var(--color-bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: var(--shadow-sm);
}

.news-content {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, transparent 0%, rgba(156, 163, 175, 0.02) 100%);
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.news-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.news-date i {
    font-size: var(--font-size-sm);
}

.news-source {
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.news-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    transition: var(--transition-fast);
}

.news-card:hover .news-title {
    color: var(--color-accent-hover);
}

.news-excerpt {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
}

.news-link:hover {
    color: var(--color-accent-hover);
    gap: var(--spacing-sm);
    background-color: rgba(156, 163, 175, 0.1);
    transform: translateY(-1px);
}

.news-link i {
    font-size: var(--font-size-xs);
    transition: var(--transition-fast);
}

.news-link-disabled {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    background-color: rgba(160, 160, 160, 0.1);
    font-style: italic;
}

.news-link-disabled i {
    font-size: var(--font-size-xs);
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .news-card {
        margin: 0 auto;
        max-width: 400px;
    }
    
    .news-content {
        padding: var(--spacing-lg);
    }
    
    .news-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .news-image {
        height: 180px;
    }
    
    .news-content {
        padding: var(--spacing-md);
    }
    
    .news-title {
        font-size: var(--font-size-base);
    }
}

/* Clients Section */
.clients {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-primary);
}

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

.clients-content h2 {
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    font-weight: 500;
}

.clients-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
    opacity: 0.6;
}

.logo-item {
    transition: var(--transition-normal);
}

.logo-item:hover {
    opacity: 1;
    transform: scale(1.1);
}

.logo-item img {
    height: 40px;
    width: auto;
    filter: grayscale(100%);
    transition: var(--transition-normal);
}

.logo-item:hover img {
    filter: grayscale(0%);
}

/* Contact Section */
.contact {
    background-color: var(--color-bg-primary);
    padding: var(--spacing-4xl) 0;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    justify-items: center;
    margin-bottom: var(--spacing-2xl);
}

.contact-location {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.contact-item {
    text-align: center;
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 300px;
}

.contact-item a,
.contact-item > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    width: 100%;
}

.contact-item a:hover .contact-details,
.contact-item:hover .contact-details {
    color: var(--color-text-primary);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition-normal);
}

.contact-item a:hover .contact-icon,
.contact-item:hover .contact-icon {
    background-color: var(--color-text-primary);
    border-color: var(--color-text-primary);
    transform: translateY(-2px);
}

.contact-icon i {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    transition: var(--transition-normal);
}

.contact-item a:hover .contact-icon i,
.contact-item:hover .contact-icon i {
    color: var(--color-bg-primary);
}

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

.contact-details h4 {
    margin: 0 0 var(--spacing-xs) 0;
    color: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.contact-details span {
    color: inherit;
    font-size: var(--font-size-sm);
    opacity: 0.8;
    word-break: break-word;
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .contact-location {
        margin-top: var(--spacing-md);
    }
    
    .contact-item {
        padding: var(--spacing-md);
        max-width: none;
    }
}

@media (max-width: 480px) {
    .contact-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .contact-location {
        margin-top: var(--spacing-md);
    }
    
    .contact-item {
        max-width: 300px;
        margin: 0 auto;
    }
}

/* Footer */
.footer {
    background-color: var(--color-bg-primary);
    padding: var(--spacing-3xl) 0 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-text p {
    margin-bottom: 0;
    color: var(--color-text-secondary);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* Scrolling Text */
.scrolling-text {
    overflow: hidden;
    white-space: nowrap;
    padding: var(--spacing-lg) 0;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
}

.scrolling-content {
    display: inline-block;
    animation: scroll 30s linear infinite;
    color: var(--color-bg-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background-color: var(--color-accent);
    border: none;
    border-radius: 50%;
    color: var(--color-bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animations (toned down) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

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

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

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

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

/* Selection */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
}

::-moz-selection {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
}

/* Timeline Styles */
.timeline-container {
    position: relative;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.timeline-track {
    display: flex;
    gap: var(--spacing-3xl);
    overflow-x: auto;
    overflow-y: visible;
    scroll-behavior: smooth;
    padding: var(--spacing-2xl) var(--spacing-4xl);
    position: relative;
    min-height: 600px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.timeline-track::-webkit-scrollbar {
    display: none;
}

.timeline-line {
    display: none;
}

.timeline-item {
    position: relative;
    flex: 0 0 auto;
    width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--color-bg-secondary);
    border: 3px solid var(--color-accent);
    position: relative;
    z-index: 2;
    margin-bottom: var(--spacing-xl);
    transition: var(--transition-normal);
    cursor: pointer;
}

.timeline-dot.active {
    background-color: var(--color-accent);
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(156, 163, 175, 0.4);
}

.timeline-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-normal);
}

.timeline-dot.active::before {
    opacity: 1;
    background-color: var(--color-bg-primary);
}

.timeline-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.timeline-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

.timeline-card:hover::before {
    opacity: 1;
}

.timeline-header {
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
}

.timeline-date {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-info h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.timeline-info h4 {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin-bottom: 0;
}

.timeline-description {
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
}

.timeline-description p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.timeline-achievements {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.timeline-achievements li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.timeline-achievements li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.timeline-controls {
    position: absolute;
    top: var(--spacing-2xl);
    right: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 4;
}

.timeline-nav {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.timeline-nav i {
    color: var(--color-bg-primary) !important;
    font-size: var(--font-size-lg);
}

.timeline-nav:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: scale(1.1);
}

.timeline-nav:hover i {
    color: var(--color-bg-primary);
}

.timeline-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--color-bg-card);
    border-color: var(--color-border);
}

.timeline-nav:disabled i {
    color: var(--color-text-secondary) !important;
}

/* Timeline Fade Effects */
.timeline-container::before,
.timeline-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 3;
    pointer-events: none;
}

.timeline-container::before {
    left: 0;
    background: linear-gradient(
        90deg,
        var(--color-bg-primary) 0%,
        var(--color-bg-primary) 20%,
        transparent 100%
    );
}

.timeline-container::after {
    right: 0;
    background: linear-gradient(
        270deg,
        var(--color-bg-primary) 0%,
        var(--color-bg-primary) 20%,
        transparent 100%
    );
}

/* Timeline Responsive Design */
@media (max-width: 768px) {
    .timeline-container {
        padding: var(--spacing-2xl) 0;
    }
    
    .timeline-track {
        gap: var(--spacing-2xl);
        padding: var(--spacing-lg) var(--spacing-2xl);
        min-height: auto;
    }
    
    .timeline-item {
        width: 320px;
    }
    
    .timeline-card {
        padding: var(--spacing-lg);
        min-height: 400px;
    }
    
    .timeline-info h3 {
        font-size: var(--font-size-lg);
    }
    
    .timeline-info h4 {
        font-size: var(--font-size-base);
    }
    
    .timeline-controls {
        top: var(--spacing-lg);
        right: var(--spacing-md);
        gap: var(--spacing-xs);
    }
    
    .timeline-nav {
        width: 40px;
        height: 40px;
    }
    
    .timeline-nav i {
        font-size: var(--font-size-base);
    }
    
    .timeline-container::before,
    .timeline-container::after {
        width: 60px;
    }
}

@media (max-width: 480px) {
    .timeline-item {
        width: 280px;
    }
    
    .timeline-track {
        gap: var(--spacing-lg);
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .timeline-card {
        padding: var(--spacing-md);
        min-height: 350px;
    }
    
    .timeline-container::before,
    .timeline-container::after {
        width: 40px;
    }
}

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

.timeline-item {
    animation: timelineFadeIn 0.6s ease-out;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.1s;
}

.timeline-item:nth-child(3) {
    animation-delay: 0.2s;
}

.timeline-item:nth-child(4) {
    animation-delay: 0.3s;
}