/* ========================================
   Bauhaus Lab Theme
   Geometric asymmetric layout, primary colors
   ======================================== */

:root {
    --bg: #f5f5f0;
    --bg-alt: #ebebdf;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-sec: #3a3a3a;
    --text-muted: #6a6a6a;
    --red: #E63946;
    --blue: #1D3557;
    --yellow: #F4D35E;
    --border: #1a1a1a;
    --shadow: 4px 4px 0 #1a1a1a;
    --shadow-sm: 2px 2px 0 #1a1a1a;
    --font: 'DM Sans', sans-serif;
    --nav-w: 72px;
    --transition: 200ms ease;
}
/* ---- Global Resets ---- */
* { -webkit-tap-highlight-color: transparent; }
[data-theme="dark"] { color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }
::selection { background: var(--red); color: #fff; }


[data-theme="dark"] {
    --bg: #1a1a1a;
    --bg-alt: #222;
    --bg-card: #2a2a2a;
    --text: #f0f0e8;
    --text-sec: #c0c0b8;
    --text-muted: #808078;
    --red: #ff4d5a;
    --blue: #4a7fb5;
    --yellow: #f4d35e;
    --border: #f0f0e8;
    --shadow: 4px 4px 0 rgba(240,240,232,0.2);
    --shadow-sm: 2px 2px 0 rgba(240,240,232,0.2);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition), color var(--transition);
}
a { color: var(--red); text-decoration: none; }
a:hover { color: var(--blue); }
strong { color: var(--red); }

/* ========================================
   Geometric Shapes (CSS-only)
   ======================================== */

.shape { display: block; transition: transform var(--transition); }
.shape-circle {
    width: 20px; height: 20px;
    background: var(--red);
    border-radius: 50%;
}
.shape-triangle {
    width: 0; height: 0;
    border-left: 11px solid transparent;
    border-right: 11px solid transparent;
    border-bottom: 20px solid var(--blue);
}
.shape-square {
    width: 18px; height: 18px;
    background: var(--yellow);
}
.shape-diamond {
    width: 14px; height: 14px;
    background: var(--text);
    transform: rotate(45deg);
}
.inline-shape { flex-shrink: 0; }

/* ========================================
   Vertical Geometric Nav
   ======================================== */

.geo-nav {
    position: fixed;
    left: 0; top: 0;
    width: var(--nav-w);
    height: 100vh;
    background: var(--bg-card);
    border-right: 3px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    z-index: 1000;
    padding: 16px 0;
    transition: background var(--transition);
}

.geo-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 8px;
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    transition: all var(--transition);
}

.geo-nav-item:hover .shape { transform: scale(1.3); }
.geo-nav-item:hover .shape-diamond { transform: rotate(45deg) scale(1.3); }

.geo-label {
    font-family: var(--font);
    font-size: 0.55rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    transition: color var(--transition);
}

.geo-nav-item.active .geo-label { color: var(--text); }
.geo-nav-item.active .shape-circle { box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--red); }
.geo-nav-item.active .shape-triangle { filter: drop-shadow(0 0 3px var(--blue)); }
.geo-nav-item.active .shape-square { box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--yellow); }

.theme-toggle { margin-top: auto; }

/* Mobile bar (hidden on desktop) */
.mobile-bar {
    display: none;
    position: fixed; top: 0; left: 0; right: 0;
    height: 52px;
    background: var(--bg-card);
    border-bottom: 3px solid var(--border);
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 1000;
}
.mobile-logo {
    font-weight: 900;
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--red);
}
.mobile-theme {
    background: none; border: 2px solid var(--border);
    padding: 6px 10px; cursor: pointer;
    display: flex; align-items: center;
}

/* ========================================
   Main Content Area
   ======================================== */

.bauhaus-main {
    margin-left: var(--nav-w);
    transition: margin var(--transition);
}

/* ========================================
   Hero Composition (Asymmetric Grid)
   ======================================== */

.hero-composition {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr 280px;
    grid-template-rows: auto 1fr;
    gap: 0;
    padding: 60px 48px 48px;
    overflow: hidden;
}

/* Decorative color blocks */
.hero-block-red {
    position: absolute;
    top: 0; left: 0;
    width: 180px; height: 120px;
    background: var(--red);
    opacity: 0.15;
}
.hero-block-blue {
    position: absolute;
    bottom: 0; right: 200px;
    width: 250px; height: 80px;
    background: var(--blue);
    opacity: 0.12;
}
.hero-block-yellow {
    position: absolute;
    top: 40%; right: 0;
    width: 60px; height: 200px;
    background: var(--yellow);
    opacity: 0.2;
}

.hero-text-area {
    grid-column: 1 / 3;
    grid-row: 1;
    align-self: end;
    padding-bottom: 24px;
    position: relative;
    z-index: 1;
}

.hero-greeting {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}

.hero-name {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 0.95;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-left: 16px;
    border-left: 4px solid var(--yellow);
}
[data-theme="dark"] .hero-title { color: var(--yellow); }

.hero-image-area {
    grid-column: 3;
    grid-row: 1 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.image-frame {
    width: 200px; height: 200px;
    border: 3px solid var(--border);
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}
.image-frame::after {
    content: "";
    position: absolute;
    bottom: 0; right: 0;
    width: 36px; height: 36px;
    background: var(--yellow);
}
.image-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
}
.image-placeholder svg { width: 56px; height: 56px; opacity: 0.35; }

.hero-desc-area {
    grid-column: 1 / 3;
    grid-row: 2;
    max-width: 600px;
    position: relative;
    z-index: 1;
    padding-top: 24px;
}

.hero-description {
    font-size: 0.95rem;
    color: var(--text-sec);
    line-height: 1.7;
    margin-bottom: 28px;
}

.hero-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}

.stat {
    background: var(--bg-card);
    border: 3px solid var(--border);
    padding: 16px 20px;
    text-align: center;
    flex: 1;
    transition: all var(--transition);
}
.stat:hover { box-shadow: var(--shadow); transform: translate(-2px, -2px); }
.stat-red { border-top: 6px solid var(--red); }
.stat-blue { border-top: 6px solid var(--blue); }
.stat-yellow { border-top: 6px solid var(--yellow); }

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 4px;
}
.stat-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-cta { display: flex; gap: 12px; }

.btn {
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 11px 22px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 3px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-primary {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
}
.btn-primary:hover {
    background: var(--text);
    border-color: var(--text);
    color: var(--bg);
    box-shadow: var(--shadow);
}
.btn-secondary { background: transparent; color: var(--text); }
.btn-secondary:hover {
    background: var(--text);
    color: var(--bg);
    box-shadow: var(--shadow);
}

/* ========================================
   Asymmetric Section Grids
   ======================================== */

.bh-section { padding: 72px 48px; }
.section-alt { background: var(--bg-alt); }

.section-grid {
    display: grid;
    gap: 32px;
    max-width: 1000px;
}

/* Left-heavy: header left, body spans right */
.left-heavy {
    grid-template-columns: 200px 1fr;
}
.left-heavy .section-header {
    grid-column: 1;
    position: sticky;
    top: 80px;
    align-self: start;
}
.left-heavy .section-body { grid-column: 2; }

/* Right-heavy: header right, body spans left */
.right-heavy {
    grid-template-columns: 1fr 200px;
    margin-left: auto;
}
.right-heavy .section-header {
    grid-column: 2;
    grid-row: 1;
    text-align: right;
    position: sticky;
    top: 80px;
    align-self: start;
}
.right-heavy .section-body { grid-column: 1; grid-row: 1; }

/* Center-offset */
.center-offset {
    grid-template-columns: 1fr;
    max-width: 700px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
}
.right-heavy .section-header { flex-direction: row-reverse; }

.section-header h2 {
    font-size: 1.3rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

/* ========================================
   Publication Cards
   ======================================== */

.pub-card {
    display: grid;
    grid-template-columns: 6px 60px 1fr;
    gap: 0 16px;
    background: var(--bg-card);
    border: 3px solid var(--border);
    padding: 20px 20px 20px 0;
    margin-bottom: 12px;
    transition: all var(--transition);
}
.pub-card:hover { box-shadow: var(--shadow); transform: translate(-2px, -2px); }

.pub-accent { background: var(--red); grid-row: 1 / 4; }
.pub-accent.accent-blue { background: var(--blue); }

.pub-year {
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--blue);
    grid-column: 2;
}
[data-theme="dark"] .pub-year { color: var(--yellow); }

.pub-content { grid-column: 3; }
.pub-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.pub-authors { font-size: 0.82rem; color: var(--text-sec); margin-bottom: 2px; }
.pub-venue { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; margin-bottom: 8px; }
.pub-links { display: flex; gap: 6px; }
.pub-link {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 10px;
    border: 2px solid var(--border);
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition);
}
.pub-link:hover { background: var(--text); color: var(--bg); }

/* ========================================
   Project Cards
   ======================================== */

.project-card {
    background: var(--bg-card);
    border: 3px solid var(--border);
    padding: 24px;
    position: relative;
    transition: all var(--transition);
}
.project-bar {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 6px;
    background: var(--blue);
}
.project-card:hover { box-shadow: var(--shadow); transform: translate(-2px, -2px); }
.project-title { font-size: 1rem; font-weight: 800; text-transform: uppercase; margin-bottom: 8px; }
.project-desc { font-size: 0.85rem; color: var(--text-sec); margin-bottom: 12px; }
.project-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 3px 10px;
    background: var(--yellow);
    color: #1a1a1a;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   News, Experience, Contact
   ======================================== */

.news-item {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 14px 20px;
    border: 2px solid var(--border);
    background: var(--bg-card);
    margin-bottom: 8px;
    transition: all var(--transition);
}
.news-item:hover { box-shadow: var(--shadow-sm); transform: translateX(4px); }
.news-date { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); flex-shrink: 0; }
.news-content { display: flex; align-items: center; gap: 8px; }
.news-badge {
    font-size: 0.62rem; font-weight: 800;
    padding: 2px 8px;
    background: var(--red); color: #fff;
    text-transform: uppercase;
    flex-shrink: 0;
}
.news-text { font-size: 0.88rem; color: var(--text-sec); }

.exp-category h3 {
    font-size: 0.8rem; font-weight: 800;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 3px solid var(--border);
}
[data-theme="dark"] .exp-category h3 { color: var(--yellow); }

.exp-item {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 16px;
    padding: 14px 20px;
    border: 2px solid var(--border);
    background: var(--bg-card);
    margin-bottom: 8px;
    transition: all var(--transition);
}
.exp-item:hover { box-shadow: var(--shadow-sm); }
.exp-period { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); }
.exp-details h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 2px; }
.exp-details p { font-size: 0.82rem; color: var(--text-sec); }

.contact-box {
    background: var(--bg-card);
    border: 3px solid var(--border);
    padding: 32px;
    position: relative;
}
.contact-box::before {
    content: "";
    position: absolute; top: 0; left: 0;
    width: 100%; height: 6px;
    background: linear-gradient(90deg, var(--red) 33%, var(--blue) 33%, var(--blue) 66%, var(--yellow) 66%);
}
.contact-box p { font-size: 0.9rem; color: var(--text-sec); margin-bottom: 8px; }
.contact-email { font-weight: 700; color: var(--red) !important; }

/* ========================================
   Footer
   ======================================== */

.bauhaus-footer {
    margin-left: var(--nav-w);
    border-top: 3px solid var(--border);
    padding: 20px 48px;
    text-align: center;
}
.footer-stripe {
    height: 4px;
    background: linear-gradient(90deg, var(--red) 33%, var(--blue) 33%, var(--blue) 66%, var(--yellow) 66%);
    margin-bottom: 16px;
}
.bauhaus-footer p {
    font-size: 0.72rem; font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   Back to Top
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 40px; height: 40px;
    background: var(--red);
    border: 3px solid var(--border);
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--text); box-shadow: var(--shadow); }

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.scroll-animate.visible { opacity: 1; transform: translateY(0); }

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 900px) {
    .geo-nav { display: none; }
    .mobile-bar { display: flex; }
    .bauhaus-main { margin-left: 0; }
    .bauhaus-footer { margin-left: 0; }

    .hero-composition {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        padding: 72px 20px 36px;
        min-height: auto;
    }
    .hero-text-area { grid-column: 1; text-align: center; }
    .hero-title { border-left: none; padding-left: 0; text-align: center; }
    .hero-image-area { grid-column: 1; grid-row: 1; justify-content: center; padding-bottom: 20px; }
    .hero-desc-area { grid-column: 1; text-align: center; }
    .hero-stats { flex-direction: column; gap: 8px; }
    .hero-cta { justify-content: center; flex-wrap: wrap; }
    .hero-name { font-size: 2.5rem; }
    .hero-block-yellow { display: none; }

    .bh-section { padding: 48px 20px; }
    .left-heavy, .right-heavy, .center-offset {
        grid-template-columns: 1fr;
    }
    .left-heavy .section-header,
    .right-heavy .section-header {
        position: static;
        grid-column: 1;
        text-align: left;
        flex-direction: row;
    }
    .left-heavy .section-body,
    .right-heavy .section-body {
        grid-column: 1;
        grid-row: auto;
    }
    .pub-card { grid-template-columns: 6px 1fr; }
    .pub-year { grid-column: 2; }
    .pub-content { grid-column: 2; }
    .exp-item { grid-template-columns: 1fr; gap: 4px; }
    .news-item { flex-direction: column; align-items: flex-start; }
    .image-frame { width: 150px; height: 150px; }
    .bauhaus-footer { padding: 20px; }
}

@media (max-width: 768px) {
    .hero-composition { padding: 60px 16px; }
    .hero-name { font-size: 2.2rem; }
    .bh-section { padding: 40px 16px; }
    .section-heading { font-size: 1.4rem; }
}

@media (max-width: 375px) {
    .hero-composition { padding: 48px 12px; }
    .hero-name { font-size: 2rem; }
    .hero-description { font-size: 0.85rem; }
    .stat-number { font-size: 1.8rem; }
    .bh-section { padding: 32px 12px; }
    .pub-title { font-size: 0.95rem; }
    .project-title { font-size: 0.95rem; }
}

/* ---- Focus Styles ---- */
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 2px; }

/* ---- Skip Link ---- */
.skip-link { position: absolute; top: -40px; left: 0; background: var(--red); color: #fff; padding: 8px 16px; z-index: 9999; font-size: 0.875rem; transition: top 0.2s; }
.skip-link:focus { top: 0; }