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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-dim: #666666;
    
    --accent-primary: #e90e0e;
    --accent-secondary: #c70202;
    --accent-glow: rgba(233, 14, 14, 0.15);
    
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px var(--accent-glow);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--spacing-md) 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-md);
}

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

.logo {
    height: 38px;
    transition: all var(--transition-base);
    filter: brightness(1);
}

.logo:hover {
    filter: brightness(1.2);
    transform: scale(1.03);
}

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

.nav-link {
    position: relative;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: color var(--transition-base);
}

.nav-link-text {
    position: relative;
    z-index: 1;
}

.nav-link-underline {
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition-base);
}

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

.nav-link:hover .nav-link-underline {
    width: 100%;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: var(--spacing-2xl);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.5; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-left {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.1s backwards;
}

.tag-icon {
    color: var(--accent-primary);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.title-line {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s backwards;
}

.title-name {
    font-size: 5.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s backwards;
    position: relative;
}

.title-name::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.hero-bio {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s backwards;
}

/* Social Section */

.social-section {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s backwards;
}

.social-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

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

.social-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.social-icon-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.social-icon svg {
    width: 22px;
    height: 22px;
}

.social-icon:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--accent-glow);
    color: var(--text-primary);
}

.social-icon:hover::before {
    opacity: 0.1;
}

.social-icon:hover .social-icon-inner {
    transform: scale(1.1);
}

/* Hero Right - Profile */

.hero-right {
    position: relative;
    animation: fadeInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s backwards;
}

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

.profile-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.profile-card {
    width: 380px;
    height: 380px;
    position: relative;
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
}

.profile-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.2;
    border-radius: 50%;
    filter: blur(40px);
    animation: profileGlow 4s ease-in-out infinite;
}

@keyframes profileGlow {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.05); }
}

.profile-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--accent-primary);
    box-shadow: 
        0 0 0 1px var(--accent-primary),
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 80px var(--accent-glow);
    position: relative;
    z-index: 1;
}

.profile-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 420px;
    height: 420px;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    pointer-events: none;
    animation: rotate 20s linear infinite;
}

.profile-decoration::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-primary);
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.projects {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

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

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-slow);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card-inner {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card-inner:hover {
    border-color: var(--border-medium);
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-lg);
    transition: all var(--transition-slow);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
    mix-blend-mode: overlay;
}

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

.project-card-inner:hover .project-overlay {
    opacity: 0.15;
}

.project-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
    transition: all var(--transition-base);
    width: fit-content;
}

.project-link svg {
    transition: transform var(--transition-base);
}

.project-link:hover {
    gap: var(--spacing-sm);
}

.project-link:hover svg {
    transform: translateX(4px);
}

.footer {
    border-top: 1px solid var(--border-subtle);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
}

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

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-subtext {
    font-size: 0.85rem;
    color: var(--text-dim);
}

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

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width var(--transition-base);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-link:hover::after {
    width: 100%;
}

@media (max-width: 1100px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-left {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-tag {
        margin-bottom: var(--spacing-md);
    }
    
    .title-line {
        font-size: 1.5rem;
    }
    
    .title-name {
        font-size: 4rem;
    }
    
    .title-name::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hero-bio {
        margin-left: auto;
        margin-right: auto;
    }
    
    .social-section {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .profile-card {
        width: 340px;
        height: 340px;
    }
    
    .profile-decoration {
        width: 380px;
        height: 380px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-left {
        align-items: center;
    }
}

@media (max-width: 568px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-links {
        gap: var(--spacing-lg);
    }
    
    .title-line {
        font-size: 1.2rem;
    }
    
    .title-name {
        font-size: 3rem;
    }
    
    .hero-bio {
        font-size: 1rem;
    }
    
    .profile-card {
        width: 300px;
        height: 300px;
    }
    
    .profile-decoration {
        width: 340px;
        height: 340px;
    }
    
    .social-icon {
        width: 48px;
        height: 48px;
    }
    
    .social-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .project-image {
        height: 180px;
    }
}