/* ===== Variables ===== */
:root {
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --bg-card: #0f0f0f;
    --text-primary: #fafafa;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(99, 102, 241, 0.5);
    --gradient: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    --border: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.15s ease;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ===== Cursor Glow ===== */
.cursor-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* ===== Particles ===== */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, var(--bg-primary), transparent);
}

.nav-logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1.25rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.nav-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--accent-glow);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 2rem;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.hero-greeting {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.greeting-line {
    width: 60px;
    height: 1px;
    background: var(--accent);
}

.greeting-text {
    font-size: 1rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.4s;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero-passion {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeSlideUp 0.6s ease forwards;
    animation-delay: 1.1s;
}

.subtitle-word {
    opacity: 0;
    animation: fadeSlideUp 0.6s ease forwards;
}

.subtitle-word:nth-child(1) { animation-delay: 0.6s; }
.subtitle-word:nth-child(2) { animation-delay: 0.7s; }
.subtitle-word:nth-child(3) { animation-delay: 0.8s; }
.subtitle-word:nth-child(4) { animation-delay: 0.9s; }
.subtitle-word:nth-child(5) { animation-delay: 1s; }
.subtitle-word:nth-child(6) { animation-delay: 1.1s; }

.hero-cta {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 1.2s;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition);
}

.btn-primary {
    background: var(--gradient);
    color: white;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover svg {
    transform: translate(4px, -4px);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

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

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

/* ===== Scroll Indicator ===== */
.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.5s;
}

.hero-scroll span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* ===== Section Styles ===== */
section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.section-number {
    font-size: 0.875rem;
    color: var(--accent);
    font-family: monospace;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.highlight {
    color: var(--accent);
    position: relative;
}

.about-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-item {
    display: flex;
    gap: 1rem;
}

.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    min-width: 100px;
}

.detail-value {
    color: var(--text-secondary);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    position: relative;
    width: 280px;
    height: 320px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    inset: -50%;
    background: conic-gradient(from 0deg, var(--accent), var(--accent-secondary), var(--accent));
    animation: rotate 8s linear infinite;
    opacity: 0.3;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.card-content {
    position: relative;
    z-index: 1;
    width: calc(100% - 4px);
    height: calc(100% - 4px);
    background: var(--bg-card);
    border-radius: calc(var(--radius-lg) - 2px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-emoji {
    font-size: 5rem;
}

/* ===== Work Section ===== */
.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.work-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.work-card:hover {
    border-color: var(--accent);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -20px var(--accent-glow);
}

.work-card.featured {
    grid-column: span 2;
}

.card-image {
    height: 200px;
    overflow: hidden;
}

.work-card.featured .card-image {
    height: 300px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-muted);
    transition: all var(--transition);
}

.work-card:hover .image-placeholder {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: white;
    opacity: 0.8;
}

.card-info {
    padding: 1.5rem;
}

.card-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.card-link {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition);
}

.card-link svg {
    width: 18px;
    height: 18px;
}

.work-card:hover .card-link {
    opacity: 1;
    transform: translateY(0);
}

.card-link:hover {
    background: var(--accent);
    border-color: var(--accent);
}

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

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
    transition: color var(--transition);
}

.contact-email:hover {
    color: var(--accent);
}

.email-arrow {
    transition: transform var(--transition);
}

.contact-email:hover .email-arrow {
    transform: translateX(8px);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: all var(--transition);
}

.social-link svg {
    width: 22px;
    height: 22px;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.social-link:hover svg {
    color: white;
}

/* ===== Footer ===== */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-year {
    margin-top: 0.5rem;
    font-family: monospace;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 0 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-visual {
        order: -1;
    }
    
    .visual-card {
        width: 200px;
        height: 240px;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .work-card.featured {
        grid-column: span 1;
    }
    
    section {
        padding: 5rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

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