/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Color Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-tertiary: #1a1a1a;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --border-color: #27272a;
    --border-hover: #3f3f46;
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-3: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

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

/* ============================================
   LANGUAGE TOGGLE
   ============================================ */
.language-toggle {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1001;
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.lang-btn.active {
    background: var(--gradient-1);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-primary);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-secondary);
    bottom: -150px;
    right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-name {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

.title-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-cursor {
    animation: blink 1s infinite;
    color: var(--accent-primary);
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 2px;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--border-color);
    position: relative;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        height: 40px;
        opacity: 1;
    }
    50% {
        height: 20px;
        opacity: 0.5;
    }
    100% {
        height: 40px;
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    background: var(--gradient-1);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary.btn-block {
    width: 100%;
    text-align: center;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-block;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
    transform: translateY(-3px);
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
    display: block;
    letter-spacing: 2px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
}

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

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

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-intro {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.image-placeholder {
    font-size: 6rem;
    color: var(--text-tertiary);
}

.initials-placeholder {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
}

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

.image-frame {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--accent-primary);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.skill-category {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

.skill-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.skill-name {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 10px;
    transition: width 1s ease;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

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

.skill-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

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

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

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

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

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.project-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}


.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.preview-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-mono);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-1);
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.preview-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

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

.project-card:hover .project-image img,
.project-card:hover .project-screenshot {
    transform: scale(1.05);
}

.project-preview-fallback {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    position: absolute;
    top: 0;
    left: 0;
}

.project-image img[style*="display: none"] + .project-preview-fallback {
    display: flex;
}

.fallback-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.fallback-icon {
    font-size: 3rem;
    opacity: 0.7;
}

.fallback-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

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

.project-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

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

.project-tech span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

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

.project-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--accent-secondary);
}

.project-link-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.project-link-icon:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateX(5px);
}

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

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--border-hover);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.contact-details a,
.contact-details span {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-form-wrapper {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Form Notifications */
.form-notification {
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    font-size: 0.9375rem;
}

.form-notification.show {
    opacity: 1;
    transform: translateY(0);
}

.form-notification-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.form-notification-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.form-notification-info {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--accent-primary);
}

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

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

.footer-content p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .hero-name {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-md) 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .language-toggle {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .hero-name {
        font-size: 3rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .projects-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}