/* === Scale — targets the refined feel of ~75% browser zoom === */
html {
    font-size: 14px;
}

/* === Design System === */
:root {
    --bg-primary: #0d1b2a;
    --bg-secondary: #1b263b;
    --text-primary: #f5f5f7;
    --text-secondary: #a3a3ad;
    --text-tertiary: #6f6f7a;
    --accent: #7dd5ff;
    --accent-strong: #00ff41;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.8);
    --radius: 16px;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'PingFang SC', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 120px 120px, 120px 120px;
    mix-blend-mode: screen;
    z-index: 1;
}

::selection {
    background: rgba(125, 213, 255, 0.2);
    color: var(--text-primary);
}

canvas#visualizer-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.55;
    pointer-events: none;
}

.mono {
    font-family: 'SFMono-Regular', 'SF Mono', 'Menlo', 'Courier New', monospace;
    letter-spacing: 0.06em;
}

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

button {
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
}

.glass {
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.4rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-weight: 600;
    transition: transform 200ms var(--ease), border-color 200ms ease, background 200ms ease, color 200ms ease, box-shadow 200ms ease;
}

.btn.primary {
    background: linear-gradient(135deg, #7dd5ff, #00ff41);
    color: #040404;
    border-color: transparent;
    box-shadow: 0 15px 30px -12px rgba(0, 255, 65, 0.35);
}

.btn.ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn.primary:hover {
    box-shadow: 0 18px 36px -16px rgba(0, 255, 65, 0.4);
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.8);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.brand-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7dd5ff, #00ff41);
    box-shadow: 0 0 18px rgba(125, 213, 255, 0.9);
}

.brand-name {
    font-weight: 700;
    letter-spacing: -0.03em;
}

.brand-role {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-link {
    padding: 0.6rem 0.9rem;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 180ms var(--ease);
    color: var(--text-secondary);
    font-weight: 600;
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--text-primary);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.08);
}

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

.lang-switch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: all 180ms var(--ease);
}

.lang-switch:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.page {
    position: relative;
    z-index: 2;
    max-width: 1080px;
    margin: 0 auto;
    padding: 7rem 1.25rem 4rem;
}

.section {
    padding: 3rem 0;
    display: grid;
    gap: 1.5rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.03em;
}

.section-header .eyebrow {
    color: var(--text-tertiary);
    margin-bottom: 0.4rem;
}

.hero {
    padding-top: 2rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: start;
}

.hero-side {
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 1rem;
}

.hero-portrait {
    padding: 1.2rem;
    border-radius: var(--radius);
    overflow: hidden;
    display: grid;
    grid-template-rows: auto auto;
    justify-items: center;
    gap: 0.8rem;
    min-height: auto;
    border: 1px solid var(--border);
    background: radial-gradient(circle at 30% 20%, rgba(125, 213, 255, 0.1), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 65, 0.12), transparent 40%),
        rgba(12, 12, 12, 0.45);
    position: relative;
    box-shadow: 0 28px 52px -24px rgba(0, 0, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.portrait-image {
    width: min(220px, 50vw);
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.9), 0 0 0 6px rgba(255, 255, 255, 0.05);
}

.portrait-image::after {
    content: '';
    position: absolute;
    inset: -10%;
    background: radial-gradient(60% 60% at 50% 40%, rgba(255, 255, 255, 0.16), transparent 60%);
    mix-blend-mode: screen;
    opacity: 0.8;
    pointer-events: none;
}

.portrait-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.08);
}

.portrait-meta {
    padding: 1rem 1.25rem;
    background: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.portrait-label {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    margin-bottom: 0.15rem;
}

.portrait-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.portrait-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.hero-copy h1 {
    font-size: clamp(2.6rem, 6vw, 3.8rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 0.6rem 0 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', sans-serif;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.lede {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    max-width: 720px;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-card {
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    box-shadow: var(--shadow);
    transition: transform 260ms var(--ease), border-color 200ms ease;
}

.stat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.18);
}

.stat-label {
    color: var(--text-tertiary);
    margin-bottom: 0.15rem;
    font-size: 0.9rem;
}

.stat-value {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.stat-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hero-panel {
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    box-shadow: var(--shadow);
    min-height: 100%;
    display: grid;
    gap: 1rem;
}

.panel-head {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pill-stack {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pill {
    display: inline-flex;
    padding: 0.65rem 0.9rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-weight: 600;
}

.panel-footer {
    border-top: 1px solid var(--border);
    padding-top: 0.8rem;
}

.panel-footer p {
    color: var(--text-secondary);
}

.cards-grid {
    display: grid;
    gap: 1.25rem;
}

.cards-grid.thirds {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.cards-grid.quarters {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.cards-grid.fives {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.panel,
.project {
    padding: 1.4rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
    box-shadow: var(--shadow);
    transition: transform 260ms var(--ease), border-color 200ms ease, box-shadow 260ms var(--ease);
}

.panel:hover,
.project:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 32px 60px -28px rgba(0, 0, 0, 0.9);
}

.panel-title h3,
.project h3 {
    font-size: 1.4rem;
    margin: 0.35rem 0 0.4rem;
    letter-spacing: -0.02em;
}

.panel .list {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.project-meta {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.project p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chip {
    padding: 0.4rem 0.7rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.press-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.press-card {
    padding: 1.2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    box-shadow: var(--shadow);
    will-change: transform;
}

.press-title {
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

.press-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    box-shadow: var(--shadow);
    will-change: transform;
}

.gallery-item {
    aspect-ratio: 4 / 3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: top center;
    filter: saturate(1.05);
}

.gallery-item figcaption {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact {
    padding-bottom: 6rem;
}

.contact-card {
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(145deg, rgba(125, 213, 255, 0.08), rgba(255, 255, 255, 0.02));
    box-shadow: var(--shadow);
    display: grid;
    gap: 1rem;
}

.contact-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.contact-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--text-secondary);
}

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

.cmd-hint {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    z-index: 10;
}

.cmd-hint kbd {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.25rem 0.4rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

/* === VisionOS-style glass surfaces for all text containers === */
.site-header,
.hero-panel,
.stat-card,
.panel,
.project,
.press-card,
.contact-card,
.cmd-hint {
    position: relative;
    background: linear-gradient(145deg, rgba(12, 12, 12, 0.45), rgba(18, 18, 18, 0.35));
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow:
        0 30px 60px -25px rgba(0, 0, 0, 0.85),
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px) saturate(110%);
    -webkit-backdrop-filter: blur(8px) saturate(110%);
    overflow: hidden;
}

/* Lighter-weight cards (gallery) without heavy blur for perf */
.gallery-item {
    background: rgba(10, 10, 10, 0.40);
    border: 1px solid var(--border);
    box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* Disable blur on repeated cards to reduce GPU cost */
.stat-card,
.panel,
.project,
.press-card,
.contact-card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* Responsive */
@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .primary-nav {
        display: none;
    }

    .header-actions {
        justify-content: flex-end;
    }

    .site-header {
        justify-content: center;
    }

    .hero-side {
        grid-template-rows: auto auto;
    }
}

@media (max-width: 640px) {
    .page {
        padding-top: 7rem;
    }

    .cards-grid.quarters {
        grid-template-columns: 1fr;
    }

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

    .cmd-hint {
        left: 1rem;
        right: 1rem;
        justify-content: center;
    }
}

/* === Performance-Friendly Micro Effects === */

/* Glow on hover for cards */
.panel:hover,
.project:hover,
.stat-card:hover,
.press-card:hover {
    box-shadow:
        0 32px 60px -28px rgba(0, 0, 0, 0.9),
        0 0 0 1px rgba(125, 213, 255, 0.1),
        0 0 20px rgba(125, 213, 255, 0.05);
}

/* Subtle shine effect on primary buttons */
.btn.primary {
    position: relative;
    overflow: hidden;
}

.btn.primary::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    bottom: -50%;
    left: -50%;
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.1) 50%,
            rgba(255, 255, 255, 0) 100%);
    transform: translateX(-100%) rotate(25deg);
    transition: transform 0.6s ease;
}

.btn.primary:hover::after {
    transform: translateX(100%) rotate(25deg);
}

/* Smooth border glow on focus/hover for interactive elements */
.nav-link:hover,
.nav-link.active {
    box-shadow: 0 0 0 1px rgba(125, 213, 255, 0.15);
}

/* Subtle scale animation for stat cards */
@keyframes subtlePulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }
}

/* Add will-change for frequently animated elements */
/* Only activate on hover to save GPU memory */
.panel:hover,
.project:hover,
.stat-card:hover,
.press-card:hover {
    will-change: transform, box-shadow;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === Hero 2026 Layout === */

.hero-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 2.5rem;
    align-items: center;
    min-height: 72vh;
}

.hero-photo-col {
    display: flex;
    align-items: stretch;
}

.hero-photo-frame {
    width: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow);
}

.hero-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    min-height: 440px;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.hero-location {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    letter-spacing: 0.06em;
    margin-top: -1rem;
}

.hero-copy h1 {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', sans-serif;
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    display: flex;
    flex-direction: column;
    gap: 0.2em;
}

.name-zh {
    font-size: 0.55em;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

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

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.stat-num {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1;
}

.stat-lbl {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* === Section eyebrow without section-header wrapper === */

.section-eyebrow {
    margin-bottom: 1.5rem;
}

/* === Press strip === */

.press-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    padding: 2rem 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(145deg, rgba(12, 12, 12, 0.45), rgba(18, 18, 18, 0.35));
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.press-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
    transition: color 180ms ease;
}

.press-name:hover {
    color: var(--text-primary);
}

.press-dot {
    color: var(--text-tertiary);
    font-size: 1.2rem;
    line-height: 1;
}

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

@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 2rem;
    }

    .hero-photo-frame img {
        min-height: 360px;
        max-height: 500px;
        object-position: top center;
    }

    .hero-stats {
        gap: 1.5rem;
    }
}

@media (max-width: 640px) {
    .hero-stats {
        gap: 1.25rem;
    }

    .stat-num {
        font-size: 1.8rem;
    }

    .press-strip {
        padding: 1.5rem;
        gap: 0.6rem 1rem;
    }
}