/* ===== CSS Variables ===== */
:root {
    --black: #0a0a0a;
    --white: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    /* Accent colors - Fun & vibrant */
    --accent-red: #ff4757;
    --accent-blue: #3742fa;
    --accent-green: #2ed573;
    --accent-yellow: #ffa502;
    --accent-pink: #ff6b9d;
    --accent-cyan: #18dcff;

    --font-main: 'Space Grotesk', -apple-system, sans-serif;
    --font-mono: 'Space Mono', 'SF Mono', monospace;

    --transition: 0.2s ease;
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-main);
    font-weight: 400;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--black);
    color: var(--white);
}

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

a:hover {
    opacity: 0.6;
}

/* ===== Pixel Grid Overlay ===== */
.pixel-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.015;
    background-image:
        linear-gradient(var(--black) 1px, transparent 1px),
        linear-gradient(90deg, var(--black) 1px, transparent 1px);
    background-size: 4px 4px;
}

/* ===== Utility ===== */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.logo:hover {
    opacity: 1;
}

.logo .letter-e {
    animation: color-e 3s ease-in-out infinite;
}

.logo .letter-b {
    animation: color-b 3s ease-in-out infinite 0.8s;
}

@keyframes color-e {
    0%, 100% { color: var(--black); }
    20% { color: var(--accent-red); }
    40% { color: var(--accent-pink); }
    60% { color: var(--black); }
}

@keyframes color-b {
    0%, 100% { color: var(--black); }
    20% { color: var(--accent-blue); }
    40% { color: var(--accent-cyan); }
    60% { color: var(--black); }
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
}

.nav-links a:hover {
    color: var(--black);
    opacity: 1;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-toggle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--gray-300);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.05em;
}

.lang-toggle:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 1px;
    background: var(--black);
    transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8rem 2rem 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-name {
    font-size: clamp(3.5rem, 12vw, 9rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--gray-500);
    letter-spacing: 0.02em;
}

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

.scroll-hint {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-400);
}

.arrow {
    display: block;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

.hero-links {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
}

.hero-links a {
    color: var(--gray-500);
}

.hero-links a:hover {
    color: var(--black);
    opacity: 1;
}

/* ===== Section Label ===== */
.section-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-bottom: 4rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.label-number {
    color: var(--gray-300);
}

/* ===== About ===== */
.about {
    padding: 4rem 0;
    background: var(--gray-100);
}

.about-text-solo {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
}

/* ===== Services ===== */
.services {
    padding: 8rem 0;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.service-item {
    padding: 2.5rem;
    background: var(--white);
    transition: background var(--transition);
}

.service-item:hover {
    background: var(--gray-100);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.service-icon {
    font-size: 1.25rem;
    opacity: 0.3;
}

.service-item:nth-child(1):hover .service-icon { color: var(--accent-red); opacity: 1; }
.service-item:nth-child(2):hover .service-icon { color: var(--accent-blue); opacity: 1; }
.service-item:nth-child(3):hover .service-icon { color: var(--accent-green); opacity: 1; }
.service-item:nth-child(4):hover .service-icon { color: var(--accent-yellow); opacity: 1; }

.service-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.service-item p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* ===== Work ===== */
.work {
    padding: 8rem 0;
    background: var(--gray-100);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.work-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-slow);
    cursor: pointer;
}

.work-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.work-image {
    aspect-ratio: 3/2;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--gray-200);
}

.work-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pixel-art {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    line-height: 1.2;
    color: var(--gray-300);
    text-align: center;
    transition: color var(--transition);
}

.work-item:hover .pixel-art {
    color: var(--gray-600);
}

.accent-red .pixel-art { color: var(--accent-red); opacity: 0.4; }
.accent-blue .pixel-art { color: var(--accent-blue); opacity: 0.4; }
.accent-green .pixel-art { color: var(--accent-green); opacity: 0.4; }
.accent-yellow .pixel-art { color: var(--accent-yellow); opacity: 0.4; }

.work-item:hover .accent-red .pixel-art,
.accent-red:hover .pixel-art { opacity: 1; }
.work-item:hover .accent-blue .pixel-art,
.accent-blue:hover .pixel-art { opacity: 1; }
.work-item:hover .accent-green .pixel-art,
.accent-green:hover .pixel-art { opacity: 1; }
.work-item:hover .accent-yellow .pixel-art,
.accent-yellow:hover .pixel-art { opacity: 1; }

a.work-item {
    display: block;
}

a.work-item:hover {
    opacity: 1;
}

/* ===== Investments ===== */
.work-investments {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.investments-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
}

.investment-item {
    font-size: 0.8rem;
    color: var(--gray-500);
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--gray-200);
    background: var(--white);
    transition: all var(--transition);
}

.investment-item:hover {
    border-color: var(--gray-400);
    color: var(--black);
    opacity: 1;
}

.work-info {
    padding: 1rem;
}

.work-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    background: var(--gray-100);
    padding: 0.2rem 0.4rem;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.work-info h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.15rem;
}

.work-info p {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ===== Writing ===== */
.writing {
    padding: 4rem 0;
    background: var(--gray-100);
}

.writing .section-label {
    margin-bottom: 2rem;
    border-bottom: none;
    padding-bottom: 0;
    color: var(--gray-300);
}

.writing-list {
    display: flex;
    flex-direction: column;
}

.writing-item {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    padding: 0.5rem 0;
    transition: all var(--transition);
}

.writing-item:hover {
    opacity: 1;
}

.writing-date {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--gray-400);
    min-width: 2.5rem;
}

.writing-title {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.writing-item:hover .writing-title {
    color: var(--black);
}

.writing-item.hidden {
    display: none;
}

/* Writing Page */
.writing-page {
    padding: 8rem 0 4rem;
    min-height: calc(100vh - 200px);
}

.writing-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.writing-page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.writing-page-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--gray-500);
}

.writing-list-full .writing-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.writing-list-full .writing-date {
    font-size: 0.75rem;
    min-width: 3rem;
}

.writing-list-full .writing-title {
    font-size: 0.95rem;
}

/* ===== Contact ===== */
.contact {
    padding: 8rem 0;
}

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

.contact-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.contact-email {
    display: inline-block;
    font-family: var(--font-main);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    padding: 1rem 2rem;
    border: 1px solid var(--gray-300);
    margin-bottom: 3rem;
    transition: all var(--transition);
}

.contact-email:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    opacity: 1;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
}

.contact-item span:not(.contact-label),
.contact-item a {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* ===== Footer ===== */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--gray-200);
}

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

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-400);
}

.footer-writing {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--gray-400);
    letter-spacing: 0.02em;
}

.footer-writing:hover {
    color: var(--gray-600);
    opacity: 1;
}

.pixel-heart {
    color: var(--accent-red);
    animation: heartbeat 1s infinite;
}

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

/* ===== Mobile ===== */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right var(--transition-slow);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .menu-toggle.active span:first-child {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .menu-toggle.active span:last-child {
        transform: rotate(-45deg) translate(4px, -4px);
    }

    .hero-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .hero-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .stats-row {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .services-list {
        grid-template-columns: 1fr;
    }

    .work-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-details {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

/* ===== Post Page ===== */
.back-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--gray-500);
}

.back-link:hover {
    color: var(--black);
    opacity: 1;
}

.post {
    padding: 8rem 0 4rem;
    min-height: calc(100vh - 200px);
}

.post-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.post-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 1rem;
}

.post-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.post-content {
    max-width: 650px;
}

.post-content p {
    margin-bottom: 1.5rem;
    color: var(--gray-700);
}

.post-content a {
    color: var(--black);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover {
    opacity: 0.6;
}

.post-content blockquote {
    border-left: 2px solid var(--gray-300);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--gray-600);
}

.post-content ul, .post-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.post-image {
    margin: 2rem 0;
}

.post-image img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--gray-200);
}

.post-video {
    margin: 2rem 0;
}

.post-video iframe {
    max-width: 100%;
    aspect-ratio: 16/9;
    border: 1px solid var(--gray-200);
}

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}