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

:root {
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-text-soft: #222222;
    --color-text-mute: #666666;
    --color-tile: #0f0f0f;
    --color-tile-hover: rgba(0, 0, 0, 0.78);
    --color-overlay-meta: rgba(255, 255, 255, 0.65);
    --color-border: #ececec;
    --color-border-strong: #d9d9d9;
    --sidebar-width: clamp(220px, 20vw, 300px);
    --font-display: 'Silkscreen', 'Courier New', monospace;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.55;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.mobile-menu-open {
    overflow: hidden;
}

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

img,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
}

svg {
    flex-shrink: 0;
}

/* ==========================================
   SHARED FOCUS STATES
   ========================================== */
.sidebar-link:focus-visible,
.social-link:focus-visible,
.project-card-home:focus-visible,
.gallery-item:focus-visible,
.project-nav-link:focus-visible,
.contact-link:focus-visible,
.lightbox-close:focus-visible,
.hamburger-click-area:focus-visible,
.mobile-backdrop:focus-visible,
.brand-link:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 4px;
}

/* ==========================================
   SIDEBAR NAVIGATION
   ========================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: #ffffff;
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 44px 28px 28px;
    text-align: center;
}

.brand-link {
    display: block;
}

.site-header {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 18px;
    margin-bottom: 56px;
}

.logo-wrap {
    max-width: 100%;
}

.logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--color-text);
}

.logo a {
    color: inherit;
}

.preserve-whitespace {
    white-space: normal;
}

.hamburger-click-area {
    display: none;
    appearance: none;
    border: none;
    padding: 0;
    background: transparent;
    cursor: pointer;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 22px;
}

.hamburger i {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-text);
    font-style: normal;
    transition: transform var(--transition), opacity var(--transition);
}

body.mobile-menu-open .hamburger i:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

body.mobile-menu-open .hamburger i:nth-child(2) {
    opacity: 0;
}

body.mobile-menu-open .hamburger i:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

.sidebar-nav {
    display: block;
}

.group {
    list-style: none;
    margin: 0 0 14px;
    padding: 0;
}

.gallery-title,
.page-title {
    margin-bottom: 18px;
}

.sidebar-link {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--color-text-mute);
    transition: color var(--transition);
}

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

.sidebar-link.active::after {
    display: none;
}

.social-links {
    margin-top: auto;
    padding-top: 36px;
}

.social-links ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 0;
    color: var(--color-text-mute);
    transition: color var(--transition), transform var(--transition);
}

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

.social-link:hover {
    transform: translateY(-1px);
    color: var(--color-text);
}

/* ==========================================
   MOBILE BACKDROP
   ========================================== */
.mobile-backdrop {
    display: none;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ==========================================
   HOME — MASTHEAD (HERO)
   ========================================== */
.masthead {
    padding: 96px 8% 110px;
    text-align: center;
}

.masthead-eyebrow {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-text-mute);
    margin-bottom: 28px;
}

.masthead h1 {
    font-family: var(--font-display);
    font-size: clamp(46px, 9vw, 110px);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 32px;
}

.masthead-tagline {
    max-width: 560px;
    margin: 0 auto;
    font-family: var(--font-body);
    font-size: clamp(15px, 1.6vw, 18px);
    line-height: 1.55;
    color: var(--color-text-soft);
}

/* ==========================================
   HOME — PROJECTS GRID (Zampalo style)
   ========================================== */
.projects-grid-home {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 0;
}

.project-card-home {
    position: relative;
    display: block;
    overflow: hidden;
    background: var(--color-tile);
    aspect-ratio: 5 / 3;
    animation: fadeIn 0.45s ease-out both;
}

.project-card-home:nth-child(1) { animation: none; }
.project-card-home:nth-child(2) { animation-delay: 0.10s; }
.project-card-home:nth-child(3) { animation-delay: 0.16s; }
.project-card-home:nth-child(4) { animation-delay: 0.22s; }

.project-card-home .project-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 36px;
    background: transparent;
    border: none;
    border-radius: 0;
}

.project-card-home .project-image img,
.project-card-home .project-image video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.project-card-home .project-image img {
    image-rendering: pixelated;
}

.project-card-home:hover .project-image img,
.project-card-home:hover .project-image video {
    opacity: 0.18;
}

.project-info-home {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px;
    background: var(--color-tile-hover);
    opacity: 0;
    transition: opacity 0.18s ease;
    pointer-events: none;
    text-align: center;
}

.project-card-home:hover .project-info-home,
.project-card-home:focus-visible .project-info-home {
    opacity: 1;
}

.project-info-home h2 {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.6vw, 34px);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: 0;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 16px;
}

.project-info-home p {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-overlay-meta);
}

/* ==========================================
   PROJECT PAGES
   ========================================== */
.project-info {
    max-width: 1100px;
    margin: 0 auto 48px;
    padding: 80px 6% 0;
    text-align: center;
}

.project-info h1 {
    font-family: var(--font-display);
    font-size: clamp(40px, 7vw, 88px);
    font-weight: 400;
    line-height: 0.98;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 24px;
}

.project-info .category {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-text-mute);
    margin-bottom: 20px;
}

.project-info .description {
    max-width: 640px;
    margin: 0 auto;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-soft);
}

.project-hero {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto 64px;
    padding: 0 6%;
    background: transparent;
}

.project-hero img,
.project-hero video {
    width: 100%;
    max-height: 72vh;
    object-fit: contain;
    background: var(--color-tile);
}

.project-hero img {
    image-rendering: pixelated;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    max-width: 1400px;
    margin: 0 auto 80px;
}

.gallery-item {
    position: relative;
    appearance: none;
    width: 100%;
    aspect-ratio: 5 / 3;
    padding: 32px;
    overflow: hidden;
    border: none;
    border-radius: 0;
    background: var(--color-tile);
    cursor: pointer;
    transition: opacity var(--transition);
}

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

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.gallery-item img {
    image-rendering: pixelated;
}

.gallery-item:hover img,
.gallery-item:hover video {
    opacity: 0.7;
}

.gallery-item-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    padding: 0 16px;
    background: transparent;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    text-align: center;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.85);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.gallery-item:hover .gallery-item-caption {
    opacity: 1;
}

.project-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    max-width: 1100px;
    margin: 0 auto 80px;
    padding: 32px 6% 0;
    border-top: 1px solid var(--color-border);
}

.project-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-text-mute);
    transition: color var(--transition);
}

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

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-content {
    max-width: 920px;
    margin: 0 auto;
    padding: 96px 6% 80px;
}

.about-header {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    grid-template-areas:
        'image title'
        'image role'
        'image stats';
    column-gap: 36px;
    row-gap: 14px;
    align-items: start;
    justify-items: start;
    text-align: left;
    margin-bottom: 64px;
}

.profile-image {
    grid-area: image;
    width: 200px;
    height: 200px;
    border: none;
    border-radius: 0;
    object-fit: cover;
    background-color: var(--color-tile);
    image-rendering: pixelated;
}

.about-header h1 {
    grid-area: title;
    font-family: var(--font-display);
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 400;
    line-height: 0.98;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--color-text);
}

.about-header .title {
    grid-area: role;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-text-mute);
}

.about-stats {
    grid-area: stats;
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    width: 100%;
    margin-top: 8px;
}

.stat-item {
    position: relative;
    padding: 0;
    border: none;
    border-radius: 0;
    background-color: transparent;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -16px;
    width: 1px;
    height: 26px;
    background-color: var(--color-border-strong);
    transform: translateY(-50%);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 4px;
    color: var(--color-text);
}

.stat-label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-text-mute);
}

.about-bio {
    max-width: 720px;
    margin: 0 auto 48px;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.8;
    color: var(--color-text-soft);
}

.about-bio p + p {
    margin-top: 18px;
}

.about-skills {
    margin-top: 40px;
}

.about-skills h2 {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-text-mute);
    margin-bottom: 18px;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 9px 14px;
    border: 1px solid var(--color-border-strong);
    border-radius: 0;
    background-color: transparent;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-text-soft);
    transition: border-color var(--transition), color var(--transition);
}

.skill-tag:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

/* ==========================================
   CONTACT
   ========================================== */
.contact-section {
    max-width: 920px;
    margin: 0 auto;
    padding: 120px 6% 96px;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.contact-eyebrow {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-text-mute);
    margin-bottom: 18px;
}

.contact-section h2 {
    max-width: 720px;
    margin: 0 auto 18px;
    font-family: var(--font-display);
    font-size: clamp(28px, 4.5vw, 56px);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--color-text);
}

.contact-copy {
    max-width: 580px;
    margin: 0 auto 32px;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text-soft);
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 0 4px;
    border: none;
    border-bottom: 1px solid transparent;
    border-radius: 0;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-text);
    transition: border-color var(--transition), color var(--transition);
}

.contact-link:hover {
    border-bottom-color: currentColor;
    color: var(--color-text);
}

/* ==========================================
   LIGHTBOX
   ========================================== */
.lightbox {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.96);
    z-index: 9999;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 92%;
    max-height: 92%;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-content img {
    image-rendering: pixelated;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 0;
    background-color: transparent;
    color: #ffffff;
    font-family: var(--font-display);
    font-size: 20px;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition);
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.4);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1200px) {
    .masthead {
        padding: 72px 6% 88px;
    }
}

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 220px;
    }

    .sidebar-content {
        padding: 36px 22px 24px;
    }

    .sidebar-link {
        font-size: 22px;
    }

    .logo {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    .hamburger-click-area,
    .mobile-backdrop {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: auto;
        overflow: visible;
        background-color: #ffffff;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        z-index: 1200;
    }

    .mobile-backdrop {
        position: fixed;
        inset: 0;
        border: 0;
        background-color: rgba(0, 0, 0, 0.4);
        opacity: 0;
        pointer-events: none;
        z-index: 1100;
        transition: opacity var(--transition);
    }

    .mobile-backdrop.is-visible {
        opacity: 1;
        pointer-events: auto;
    }

    .sidebar-content {
        min-height: auto;
        padding: 0;
        text-align: left;
    }

    .site-header {
        align-items: center;
        justify-content: space-between;
        margin-bottom: 0;
        padding: 16px 18px;
    }

    .logo {
        font-size: 16px;
    }

    .sidebar-nav {
        display: none;
        padding: 22px 18px 28px;
        background-color: #ffffff;
        border-top: 1px solid var(--color-border);
        text-align: center;
    }

    .sidebar.mobile-open .sidebar-nav {
        display: block;
    }

    .sidebar-link {
        font-size: 28px;
    }

    .social-links {
        margin-top: 22px;
        padding-top: 22px;
        border-top: 1px solid var(--color-border);
    }

    .main-content {
        margin-left: 0;
        padding-top: 64px;
    }

    .masthead {
        padding: 48px 6% 60px;
    }

    .masthead-eyebrow {
        margin-bottom: 20px;
    }

    .masthead h1 {
        margin-bottom: 24px;
    }

    .projects-grid-home {
        grid-template-columns: 1fr;
    }

    .project-card-home .project-image {
        padding: 28px;
    }

    .project-info-home h2 {
        font-size: 22px;
    }

    .project-info-home p {
        font-size: 10px;
    }

    .project-info {
        padding: 64px 6% 0;
    }

    .project-hero {
        padding: 0 5%;
        margin-bottom: 40px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item {
        padding: 24px;
    }

    .project-nav {
        flex-wrap: wrap;
        padding: 28px 6% 0;
        margin-bottom: 56px;
    }

    .about-content {
        padding: 64px 6% 64px;
    }

    .about-header {
        grid-template-columns: 1fr;
        grid-template-areas:
            'image'
            'title'
            'role'
            'stats';
        row-gap: 16px;
        text-align: left;
        margin-bottom: 48px;
    }

    .profile-image {
        width: 144px;
        height: 144px;
    }

    .about-stats {
        flex-direction: column;
        gap: 18px;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }

    .about-bio {
        font-size: 16px;
    }

    .contact-section {
        padding: 80px 6% 64px;
    }
}

@media (max-width: 430px) {
    .main-content {
        padding-top: 60px;
    }

    .masthead {
        padding: 40px 5% 48px;
    }

    .project-card-home .project-image {
        padding: 20px;
    }

    .project-info-home h2 {
        font-size: 18px;
    }

    .gallery-item {
        padding: 18px;
    }

    .contact-section h2 {
        font-size: 26px;
    }
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}