/* ================================
   Modern Portfolio - CSS Styles
   ================================ */

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

:root {
    /* Color Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-elevated: #222222;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    
    --accent-primary: #0096FF;
    --accent-secondary: #0077CC;
    --accent-hover: #00BFFF;
    
    --border-color: #2a2a2a;
    --border-accent: #3a3a3a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0096FF 0%, #00BFFF 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #0096FF 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 8px 32px rgba(0, 150, 255, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(17, 17, 17, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: all var(--transition-normal);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.navbar.scrolled {
    background: rgba(17, 17, 17, 0.85);
    padding: var(--spacing-xs) var(--spacing-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

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

.nav-link.active {
    color: var(--text-primary);
    background: rgba(0, 150, 255, 0.1);
}

.nav-link.contact-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    font-weight: 600;
}

.nav-link.contact-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 150, 255, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--spacing-2xl) + 80px) 0 var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 150, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, 50px) rotate(5deg); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 150, 255, 0.1);
    border: 1px solid rgba(0, 150, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero-location {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: fit-content;
}

.hero-location svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 150, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-accent);
}

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

.hero-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--bg-elevated);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    animation: cardFloat 6s ease-in-out infinite;
    min-width: 130px;
}

.card-1 {
    top: 8%;
    left: 12%;
    animation-delay: 0s;
}

.card-2 {
    top: 15%;
    right: 8%;
    animation-delay: 2s;
}

.card-3 {
    top: 58%;
    left: 5%;
    animation-delay: 4s;
}

.card-4 {
    bottom: 20%;
    right: 15%;
    animation-delay: 1s;
}

.card-5 {
    top: 35%;
    left: 45%;
    animation-delay: 3s;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(2deg); }
}

.card-icon {
    font-size: 2rem;
}

.card-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

/* ================================
   Section Styles
   ================================ */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 150, 255, 0.1);
    border: 1px solid rgba(0, 150, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

/* About Section Mobile Image */
.about-image-mobile {
    display: none;
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-lg);
}

.about-profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.stat-number {
    gap: var(--spacing-md);
}

.education-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.education-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.education-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.education-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.education-spec {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.education-institution {
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.education-year {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ================================
   Experience Section
   ================================ */
.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-accent);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-2xl);
}

.timeline-dot {
    position: absolute;
    left: 22px;
    top: 8px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 6px var(--border-accent);
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.timeline-date {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.timeline-points {
    list-style: none;
    margin-left: 0;
}

.timeline-points li {
    color: var(--text-secondary);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.timeline-points li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* ================================
   Projects Section
   ================================ */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.project-icon {
    font-size: 2rem;
}

.project-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 150, 255, 0.1);
    border: 1px solid rgba(0, 150, 255, 0.3);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.external-link-icon {
    color: var(--accent-primary);
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.project-card-link:hover .external-link-icon {
    opacity: 1;
    transform: translate(2px, -2px);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* ================================
   Skills Section
   ================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.skill-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.skill-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

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

.contact-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-content p {
    color: var(--text-secondary);
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-visual {
        height: 350px;
        margin: 0 auto;
        max-width: 500px;
    }
    
    .floating-card {
        min-width: 110px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card-icon {
        font-size: 1.5rem;
    }
    
    .card-text {
        font-size: 0.75rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .navbar {
        width: calc(100% - var(--spacing-lg) * 2);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(17, 17, 17, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        padding: var(--spacing-xl) 0;
        border-bottom: 1px solid var(--border-color);
        gap: var(--spacing-md);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero Section */
    .hero {
        padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .hero-description {
        font-size: 1rem;
        text-align: center;
    }
    
    .hero-location {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-links {
        justify-content: center;
    }
    
    /* About Section */
    .about-image-mobile {
        display: block;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    /* Timeline */
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-dot {
        left: 2px;
    }
    
    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .contact-subtitle {
        font-size: 1rem;
        text-align: center;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    /* Section spacing */
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    /* Containers */
    .container,
    .nav-container,
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .navbar {
        width: calc(100% - var(--spacing-md) * 2);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    /* Typography */
    .hero-title {
        font-size: 1.75rem;
        word-wrap: break-word;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
    }
    
    .project-title,
    .timeline-title {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .hero-buttons {
        gap: var(--spacing-sm);
    }
    
    /* Cards */
    .project-card,
    .skill-category,
    .contact-card,
    .education-card {
        padding: var(--spacing-md);
    }
    
    .timeline-content {
        padding: var(--spacing-md);
    }
    
    /* Stats */
    .stat-item {
        padding: var(--spacing-sm);
    }
    
    /* Spacing */
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    /* Social links */
    .hero-links {
        flex-wrap: wrap;
    }
    
    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ================================
   Extra Small Screens
   ================================ */
@media (max-width: 375px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .navbar {
        padding: var(--spacing-xs);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .hero-location {
        font-size: 0.85rem;
    }
}

/* ================================
   Mobile Landscape
   ================================ */
@media (max-width: 900px) and (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-lg);
    }
    
    .nav-menu {
        top: 60px;
        padding: var(--spacing-md) 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-description {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }
}

/* ================================
   Mobile Touch Improvements
   ================================ */
@media (hover: none) and (pointer: coarse) {
    /* Increase touch targets for mobile */
    .nav-link,
    .social-link,
    .btn {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Disable hover effects on touch devices */
    .project-card:hover,
    .skill-category:hover,
    .contact-card:hover,
    .education-card:hover {
        transform: none;
    }
    
    /* Active states for better touch feedback */
    .btn:active {
        transform: scale(0.98);
    }
    
    .project-card:active,
    .skill-category:active,
    .contact-card:active {
        transform: scale(0.99);
    }
}

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
}

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

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