/* ===== CSS RESET AND BASE STYLES ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

:root {
    /* === Dark Theme Color Palette === */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #161616;
    --bg-card-hover: #202020;
    
    /* === Gradient Colors === */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-warning: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%);
    
    /* === Text Colors === */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #888888;
    --text-accent: #667eea;
    
    /* === Accent Colors === */
    --accent-primary: #667eea;
    --accent-secondary: #f093fb;
    --accent-tertiary: #4facfe;
    --accent-success: #43e97b;
    --accent-warning: #feca57;
    --accent-error: #ff6b6b;
    
    /* === Border and Shadow === */
    --border-primary: #333333;
    --border-secondary: #444444;
    --border-hover: #555555;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
    --shadow-glow-hover: 0 0 30px rgba(102, 126, 234, 0.4);
    
    /* === Spacing === */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* === Border Radius === */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 50%;
    
    /* === Transitions === */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* === Typography === */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* === Z-Index === */
    --z-background: -1;
    --z-content: 1;
    --z-header: 1000;
    --z-modal: 2000;
}

/* === BODY AND TYPOGRAPHY === */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    max-width: 65ch;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-normal);
}

a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* === UTILITY CLASSES === */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-primary);
    color: white;
    padding: 8px;
    border-radius: var(--radius-md);
    text-decoration: none;
    z-index: var(--z-modal);
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

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

.highlight {
    color: var(--accent-primary);
    font-weight: 600;
    position: relative;
}

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

/* === ANIMATED BACKGROUND === */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    overflow: hidden;
    pointer-events: none;
}

.floating-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: var(--radius-full);
    opacity: 0.08;
    animation: float 25s infinite linear;
    will-change: transform;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    background: var(--gradient-primary);
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 80%;
    background: var(--gradient-secondary);
    animation-delay: 5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 80%;
    left: 30%;
    background: var(--gradient-accent);
    animation-delay: 10s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    top: 30%;
    left: 70%;
    background: var(--gradient-success);
    animation-delay: 15s;
}

.shape-5 {
    width: 120px;
    height: 120px;
    top: 10%;
    left: 60%;
    background: var(--gradient-warning);
    animation-delay: 8s;
}

.shape-6 {
    width: 90px;
    height: 90px;
    top: 50%;
    left: 5%;
    background: var(--gradient-accent);
    animation-delay: 20s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    25% {
        transform: translateY(-30px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translateY(-60px) rotate(180deg) scale(0.9);
    }
    75% {
        transform: translateY(-30px) rotate(270deg) scale(1.05);
    }
}

/* === HEADER AND NAVIGATION === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    transition: var(--transition-normal);
}

.navbar {
    padding: var(--spacing-md) 0;
}

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

.nav-logo .logo-link {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.logo-bracket {
    color: var(--accent-primary);
    transition: var(--transition-normal);
}

.logo-link:hover .logo-bracket {
    color: var(--accent-secondary);
    transform: scale(1.1);
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    z-index: -1;
}

.nav-link:hover::before {
    opacity: 0.1;
}

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

.nav-link i {
    font-size: 0.9rem;
}

/* === MOBILE NAVIGATION === */
.mobile-menu-checkbox {
    display: none;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    gap: 4px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    transform-origin: center;
}

/* === MOBILE MENU ANIMATIONS === */
.mobile-menu-checkbox:checked + .mobile-menu-btn .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-checkbox:checked + .mobile-menu-btn .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-checkbox:checked + .mobile-menu-btn .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    min-height: 70vh;
}

.hero-text {
    animation: slideInUp 1s ease-out;
}

.hero-greeting {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
    font-weight: 400;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-tagline-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin: 0;
}

.typewriter-container {
    display: flex;
    align-items: center;
}

.typewriter-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 200px;
    position: relative;
}

.cursor {
    font-size: 1.5rem;
    color: var(--accent-primary);
    animation: blink 1.5s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
}

.cta-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-hover);
}

.cta-secondary {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.cta-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* === HERO VISUAL === */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.profile-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-primary);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-slow);
}

.profile-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.profile-image {
    position: relative;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.profile-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 3rem;
    color: white;
    animation: pulse 3s infinite;
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-success);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.icon-item {
    position: absolute;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    color: var(--accent-primary);
    border: 1px solid var(--border-primary);
    animation: float-icons 4s infinite ease-in-out;
}

.icon-python { top: -20px; right: 20px; animation-delay: 0s; }
.icon-js { bottom: 60px; right: -20px; animation-delay: 1s; }
.icon-ai { bottom: -20px; left: 20px; animation-delay: 2s; }
.icon-react { top: 60px; left: -20px; animation-delay: 3s; }

@keyframes float-icons {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-8px) rotate(90deg) scale(1.1); }
    50% { transform: translateY(-15px) rotate(180deg) scale(0.95); }
    75% { transform: translateY(-8px) rotate(270deg) scale(1.05); }
}

/* === SECTION STYLES === */
section {
    padding: var(--spacing-3xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-header {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-number {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.section-line {
    width: 100px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: var(--radius-sm);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.text-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: var(--transition-slow);
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
    animation: count-up 2s ease-out;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

@keyframes count-up {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* === SKILLS SECTION === */
.skills-section h3 {
    margin-bottom: var(--spacing-xl);
    font-size: 1.75rem;
    text-align: center;
}

.skills-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.skill-category h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1.2rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 500;
    transition: var(--transition-normal);
    border: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.skill-item:hover::before {
    opacity: 0.1;
}

.skill-item:hover {
    background: var(--bg-card-hover);
    color: var(--accent-primary);
    transform: translateY(-5px) scale(1.05);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.skill-item i {
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.skill-item:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* === PROJECTS SECTION === */
.projects {
    background: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-primary);
    transition: var(--transition-normal);
    position: relative;
    animation: fade-in-up 0.8s ease-out;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.featured-project {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: none;
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.featured-project .project-image {
    height: 300px;
}

.project-placeholder {
    font-size: 3rem;
    color: var(--accent-primary);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.project-card:hover .project-placeholder {
    transform: scale(1.2) rotate(10deg);
    opacity: 1;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
    backdrop-filter: blur(5px);
}

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

.project-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.project-link:hover {
    transform: translateY(-2px);
    background: var(--accent-secondary);
    border-color: white;
    box-shadow: var(--shadow-glow);
}



.project-content {
    padding: var(--spacing-xl);
}

.project-type {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.project-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

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

.project-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    list-style: none;
    margin: 0;
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    transition: var(--transition-fast);
    cursor: pointer;
}

.tech-tag:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

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

.more-projects-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.more-projects-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    z-index: -1;
}

.more-projects-link:hover::before {
    left: 0;
}

.more-projects-link:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-intro h3 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    transition: var(--transition-normal);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.contact-item:hover {
    background: var(--bg-card);
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-normal);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(10deg);
}

.contact-details h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1.1rem;
}

.contact-details a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    border: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: var(--transition-normal);
    z-index: -1;
}

.social-link:hover::before {
    left: 0;
}

.social-link:hover {
    background: var(--bg-card-hover);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

.social-link i {
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
    transition: var(--transition-normal);
}

.social-link:hover i {
    transform: scale(1.2);
}

/* === CONTACT FORM === */
.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition-normal);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

.submit-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: var(--font-sans);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-hover);
}

.submit-btn:active {
    transform: translateY(0);
}

/* === FOOTER === */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border-primary);
}

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

.footer-left p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.footer-left i {
    margin: 0 var(--spacing-xs);
    transition: var(--transition-normal);
}

.footer-left i.fa-heart {
    color: var(--accent-error);
    animation: heartbeat 2s infinite;
}

.footer-left i.fa-coffee {
    color: var(--accent-warning);
}

@keyframes heartbeat {
    0%, 50%, 100% { transform: scale(1); }
    25%, 75% { transform: scale(1.2); }
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.footer-social a:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-3px) rotate(10deg);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-primary);
}

/* === ANIMATIONS === */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .featured-project {
        grid-template-columns: 1fr;
    }
    
    .featured-project .project-image {
        height: 250px;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .nav-container {
        padding: 0 var(--spacing-lg);
        position: relative;
    }
    
    .mobile-menu-btn {
        display: flex;
        z-index: var(--z-header);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        padding: var(--spacing-2xl) 0;
        gap: var(--spacing-lg);
        border-top: 1px solid var(--border-primary);
        box-shadow: var(--shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-normal);
        pointer-events: none;
    }
    
    .mobile-menu-checkbox:checked ~ .nav-menu {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .hero {
        padding-top: 120px;
        text-align: center;
        min-height: 90vh;
    }
    
    .hero-content {
        min-height: auto;
    }
    
    .hero-tagline-container {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .project-image {
        height: 180px;
    }
    
    .social-links {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .project-links {
        gap: var(--spacing-md);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .hero-visual {
        margin-top: var(--spacing-xl);
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-color-scheme: light) {
    /* Light mode styles would go here if implemented */
}

/* === PRINT STYLES === */
@media print {
    .header,
    .background-animation,
    .floating-icons,
    .project-overlay {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        padding-top: 0;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
    }
}