/* ================================================================
   shared.css — 伍欢个人站公共样式
   ================================================================ */

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

:root {
    --bg-root: #080B12;
    --bg-surface: #0F1219;
    --bg-card: #141820;
    --bg-elevated: #1A1F2A;

    --border: #1E2330;
    --border-hover: #2C3244;

    --text-1: #E8ECF4;
    --text-2: #A0A8BD;
    --text-3: #6B7289;
    --text-4: #454C60;

    --accent: #00D4AA;
    --accent-dim: #00D4AA18;
    --accent-glow: #00D4AA30;
    --accent-soft: #00D4AA0C;

    --font-h: 'Sora', sans-serif;
    --font-b: 'DM Sans', sans-serif;
    --font-c: 'JetBrains Mono', monospace;

    --r-s: 6px;
    --r-m: 10px;
    --r-l: 14px;

    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --dur: 0.3s;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-b);
    background: var(--bg-root);
    color: var(--text-1);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    cursor: none;
}

a, button, input, textarea, select { cursor: none; }

::selection {
    background: var(--accent-dim);
    color: var(--accent);
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ---- Progress Bar ---- */
.progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), #00F0C0, #00B4FF);
    z-index: 200;
    transition: width 80ms linear;
}

/* ---- Header ---- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 11, 18, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-1);
    cursor: pointer;
}

.logo-symbol {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--accent), #009980);
    border-radius: var(--r-s);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-c);
    font-size: 13px;
    font-weight: 700;
    color: #080B12;
}

.logo-text {
    font-family: var(--font-h);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 6px;
    list-style: none;
}

.nav-links a {
    font-family: var(--font-b);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-3);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 100px;
    transition: all var(--dur) var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-1);
    background: var(--bg-elevated);
}

/* ---- Buttons ---- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--accent);
    color: #080B12;
    font-family: var(--font-b);
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--r-s);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--dur) var(--ease);
}

.btn-primary:hover {
    background: #00F0C0;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    color: var(--text-2);
    font-family: var(--font-b);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--r-s);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--dur) var(--ease);
}

.btn-ghost:hover {
    color: var(--text-1);
    border-color: var(--border-hover);
    background: var(--bg-elevated);
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--accent-soft);
    color: var(--accent);
    font-family: var(--font-b);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--accent-glow);
    border-radius: var(--r-s);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--dur) var(--ease);
}

.btn-accent:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* ---- Card Glow Effect ---- */
.glow-card {
    position: relative;
}

.glow-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(
        300px circle at var(--glow-x, 50%) var(--glow-y, 50%),
        rgba(0, 212, 170, 0.12),
        transparent 60%
    );
    opacity: 0;
    transition: opacity var(--dur) var(--ease);
    pointer-events: none;
    z-index: 1;
}

.glow-card:hover::after {
    opacity: 1;
}

/* ---- Particle Canvas ---- */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* ---- Animations ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-up {
    animation: fadeUp 0.5s var(--ease) both;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

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

/* Stagger children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.05s; }
.stagger > *:nth-child(3) { transition-delay: 0.1s; }
.stagger > *:nth-child(4) { transition-delay: 0.15s; }
.stagger > *:nth-child(5) { transition-delay: 0.2s; }
.stagger > *:nth-child(6) { transition-delay: 0.25s; }

/* ---- Back to Top ---- */
.back-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-3);
    cursor: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(12px);
    transition: all var(--dur) var(--ease);
    pointer-events: none;
    z-index: 90;
}

.back-top.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-top:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 16px var(--accent-glow);
}

.back-top svg {
    width: 20px;
    height: 20px;
}

/* ---- Floating Contact CTA ---- */
.float-contact {
    position: fixed;
    bottom: 88px;
    right: 32px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent);
    color: #080B12;
    font-family: var(--font-b);
    font-size: 13px;
    font-weight: 600;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    text-decoration: none;
    z-index: 90;
    opacity: 0;
    transform: translateY(12px);
    transition: all var(--dur) var(--ease);
    pointer-events: none;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.float-contact.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.float-contact:hover {
    background: #00F0C0;
    transform: translateY(-2px);
    box-shadow: 0 6px 28px var(--accent-glow);
}

.float-contact svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ---- Typewriter Cursor ---- */
.typewriter-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorBlink 0.75s step-end infinite;
}

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

/* ---- Star Canvas ---- */
#starCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ---- CRT Scanlines ---- */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9997;
    background: repeating-linear-gradient(
        0deg, transparent, transparent 2px,
        rgba(0, 212, 170, 0.015) 2px, rgba(0, 212, 170, 0.015) 4px
    );
    animation: scanline-flicker 8s ease-in-out infinite;
}
@keyframes scanline-flicker {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ---- Custom Cursor ---- */
.cursor-dot {
    position: fixed;
    top: 0; left: 0;
    width: 6px; height: 6px;
    background: #00D4AA;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 8px rgba(0, 212, 170, 0.6);
    transition: width 0.2s, height 0.2s, background 0.2s;
}
.cursor-ring {
    position: fixed;
    top: 0; left: 0;
    width: 36px; height: 36px;
    border: 1.5px solid rgba(0, 212, 170, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
}
.cursor-dot.hover {
    width: 14px; height: 14px;
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.8);
}
.cursor-ring.hover {
    width: 48px; height: 48px;
    border-color: #00D4AA;
    background: rgba(0, 212, 170, 0.12);
}

/* ---- Click Ripple ---- */
.click-ripple {
    position: fixed;
    border-radius: 50%;
    background: rgba(0, 212, 170, 0.25);
    pointer-events: none;
    z-index: 9998;
    animation: ripple-expand 0.6s ease-out forwards;
}
@keyframes ripple-expand {
    to { transform: scale(4); opacity: 0; }
}

/* ---- Page Loader ---- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-root);
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: loader-fade 0.35s ease 0.65s forwards;
}
.loader-logo {
    font-family: var(--font-c);
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--r-s);
    padding: 16px 28px;
    box-shadow: 0 0 40px rgba(0, 212, 170, 0.3);
    animation: loader-scale 0.45s var(--ease) both;
}
@keyframes loader-scale {
    from { transform: scale(0.5); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}
@keyframes loader-fade {
    to { opacity: 0; pointer-events: none; }
}

/* ---- Gradient Flow ---- */
.accent-animated {
    background: linear-gradient(135deg, #00D4AA, #00F0C0, #00B4FF, #00D4AA);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 4s ease infinite;
}
@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ---- Number Counter ---- */
.counter-animated {
    display: inline-block;
}

/* ---- Neon Marquee (霓虹跑马灯) ---- */
@property --trace {
    syntax: '<number>';
    initial-value: 0;
    inherits: false;
}

.neon-active::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important; left: 0 !important; right: 0 !important;
    width: 100% !important; height: 100% !important;
    border-radius: inherit !important;
    background: linear-gradient(90deg, var(--accent), #00F0C0) !important;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 2px;
    --trace: 0;
    clip-path: polygon(
        0% 0%,
        calc(var(--trace) * 100%) 0%,
        calc(var(--trace) * 100%) 2px,
        2px 2px,
        2px calc(100% - 2px),
        calc(100% - 2px) calc(100% - 2px),
        calc(100% - 2px) 2px,
        calc(var(--trace) * 100%) 2px,
        calc(var(--trace) * 100%) 0%,
        100% 0%,
        100% 100%,
        0% 100%
    );
    animation: neon-trace 2s linear infinite !important;
    opacity: 1 !important;
    z-index: 2;
    pointer-events: none;
    box-shadow: 0 0 12px rgba(0, 212, 170, 0.4);
}
@keyframes neon-trace {
    from { --trace: 0; }
    to   { --trace: 1; }
}

/* ---- Anchor Flash (锚点高亮) ---- */
.anchor-flash {
    animation: anchor-flash 1s ease-out;
}
@keyframes anchor-flash {
    0% { box-shadow: inset 0 0 0 2px rgba(0, 212, 170, 0.3); background-color: rgba(0, 212, 170, 0.08); }
    100% { box-shadow: none; background-color: transparent; }
}

/* ---- Matrix Canvas (数字雨) ---- */
#matrixCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.8s ease;
}
#matrixCanvas.active {
    opacity: 0.5;
}
.matrix-hint {
    position: fixed;
    bottom: 12px; left: 12px;
    font-family: var(--font-c);
    font-size: 10px;
    color: var(--text-4);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 100;
    pointer-events: none;
}
.matrix-hint.show { opacity: 0.6; }

/* ---- Page Transition Overlay ---- */
.page-exit {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-transition-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(8, 11, 18, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.page-transition-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ---- Multi-layer Spinner ---- */
.spinner {
    position: relative;
    width: 56px;
    height: 56px;
}
.spinner::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px dashed var(--accent);
    border-radius: 50%;
    opacity: 0.4;
    animation: spin 3s linear infinite;
}
.spinner::after {
    content: '';
    position: absolute;
    inset: 6px;
    border: 2px solid transparent;
    border-top-color: var(--accent);
    border-right-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s ease-in-out infinite;
}
.spinner-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    margin: -5px 0 0 -5px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 212, 170, 0.6);
    animation: pulse-core 1.2s ease-in-out infinite;
}
.spinner-orbit {
    position: absolute;
    inset: 0;
    animation: spin 1.5s linear infinite;
}
.spinner-orbit i {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--accent);
}
.spinner-orbit i:nth-child(1) { top: 0; left: 50%; margin-left: -2px; }
.spinner-orbit i:nth-child(2) { bottom: 0; left: 50%; margin-left: -2px; opacity: 0.5; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-core {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.4; }
}

.page-transition-overlay .loading-text {
    font-size: 14px;
    color: var(--text-3);
}

/* ---- Code Block Glow ---- */
.md pre {
    transition: box-shadow var(--dur) var(--ease);
}
.md pre:hover,
.md pre:focus-within {
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.08),
                0 0 40px rgba(0, 212, 170, 0.04);
}

/* ---- Link Underline Drawing ---- */
.md a {
    position: relative;
    text-decoration: none;
    color: var(--accent);
}
.md a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}
.md a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ---- Footer (shared) ---- */
.footer {
    padding: 56px 0 40px;
    border-top: 1px solid var(--border);
}

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

.footer-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-symbol {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent), #009980);
    border-radius: var(--r-s);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-c);
    font-size: 11px;
    font-weight: 700;
    color: #080B12;
}

.footer-name {
    font-family: var(--font-h);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-1);
}

.footer-role {
    font-size: 12px;
    color: var(--text-4);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-3);
    text-decoration: none;
    transition: color var(--dur) var(--ease);
}

.footer-links a:hover { color: var(--accent); }

.footer-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

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

/* ---- Radar Chart ---- */
.skills-section {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.skills-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 40px;
}

.radar-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-l);
    padding: 24px;
}

.radar-box canvas {
    max-width: 100%;
    height: auto;
}

.skill-summary {
    width: 100%;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.skill-summary-label {
    font-family: var(--font-c);
    font-size: 11px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.skill-summary-text {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-3);
    margin-bottom: 20px;
}

.skill-summary-text strong {
    color: var(--text-1);
    font-weight: 600;
}

.skill-highlights {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.skill-highlight {
    text-align: center;
}

.skill-highlight-num {
    display: block;
    font-family: var(--font-h);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.skill-highlight-label {
    display: block;
    font-size: 11px;
    color: var(--text-4);
    margin-top: 4px;
}

.skill-cats {}

.skill-cat {
    margin-bottom: 28px;
}

.skill-cat:last-child {
    margin-bottom: 0;
}

.skill-cat-label {
    font-family: var(--font-c);
    font-size: 11px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.skill-bar-wrap {
    margin-bottom: 10px;
}

.skill-bar-wrap:last-child {
    margin-bottom: 0;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-2);
    margin-bottom: 5px;
}

.skill-bar-score {
    font-weight: 700;
    color: var(--text-1);
    font-family: var(--font-c);
    font-size: 12px;
}

.skill-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--bg-elevated);
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), #00F0C0);
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
    width: 0;
}

/* ---- Capability Radar Overview ---- */
.capability-radar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: center;
    gap: 24px;
    margin-top: 40px;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-l);
}

.capability-radar-copy { max-width: 440px; }

.capability-radar-label {
    margin-bottom: 12px;
    color: var(--accent);
    font-family: var(--font-c);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.capability-radar-copy h3 {
    margin: 0;
    color: var(--text-1);
    font-family: var(--font-h);
    font-size: 22px;
    letter-spacing: -0.02em;
}

.capability-radar-copy p {
    margin: 14px 0 20px;
    color: var(--text-3);
    font-size: 13px;
    line-height: 1.75;
}

.radar-scale {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    color: var(--text-4);
    font-size: 11px;
}

.radar-scale span { display: inline-flex; align-items: center; gap: 6px; }
.radar-scale i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0.7; }

.capability-radar canvas { justify-self: center; max-width: 100%; height: auto; }

/* ---- Evidence-based Capability Matrix ---- */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 40px;
}

.capability-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 286px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-l);
    overflow: hidden;
    transition: border-color var(--dur), transform var(--dur), background var(--dur);
}

.capability-card::after {
    content: '';
    position: absolute;
    right: -42px;
    top: -42px;
    width: 120px;
    height: 120px;
    border: 1px solid var(--accent-glow);
    border-radius: 50%;
    opacity: 0.45;
}

.capability-card:hover {
    border-color: var(--accent-glow);
    background: var(--bg-elevated);
    transform: translateY(-3px);
}

.capability-index {
    color: var(--accent);
    font-family: var(--font-c);
    font-size: 11px;
    letter-spacing: 0.12em;
    margin-bottom: 20px;
}

.capability-title {
    color: var(--text-1);
    font-family: var(--font-h);
    font-size: 20px;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.capability-level {
    display: inline-flex;
    align-self: flex-start;
    margin-top: 10px;
    padding: 4px 9px;
    border: 1px solid var(--accent-glow);
    border-radius: 999px;
    color: var(--accent);
    font-size: 11px;
    line-height: 1;
}

.capability-desc {
    max-width: 36em;
    margin: 18px 0 16px;
    color: var(--text-3);
    font-size: 13px;
    line-height: 1.75;
}

.capability-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: auto;
}

.capability-proof span {
    padding: 5px 8px;
    border-radius: 4px;
    background: var(--bg-elevated);
    color: var(--text-2);
    font-size: 11px;
}

.capability-link {
    align-self: flex-start;
    margin-top: 18px;
    color: var(--accent);
    font-size: 12px;
    text-decoration: none;
}

.capability-link:hover {
    color: var(--text-1);
}

/* ---- Bento Grid ---- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.bento-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-l);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: all var(--dur) var(--ease);
}

.bento-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-hover);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--dur) var(--ease);
}

.bento-card:hover::before { opacity: 1; }

.bento-card.span-2 {
    grid-column: span 2;
}

.bento-card.span-3 {
    grid-column: 1 / -1;
}

.bento-date {
    font-family: var(--font-c);
    font-size: 11px;
    font-weight: 500;
    color: var(--text-4);
    letter-spacing: 0.02em;
    margin-bottom: 8px;
}

.bento-title {
    font-family: var(--font-h);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.bento-card.span-3 .bento-title {
    font-size: 22px;
}

.bento-impact {
    font-family: var(--font-h);
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
}

.bento-card.span-3 .bento-impact {
    font-size: 16px;
}

.bento-role {
    font-size: 12px;
    color: var(--text-3);
    margin-bottom: 12px;
}

.bento-desc {
    font-size: 14px;
    color: var(--text-3);
    line-height: 1.65;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bento-card.span-3 .bento-desc {
    -webkit-line-clamp: unset;
    max-width: 720px;
}

.bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
}

.bento-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent-glow);
    padding: 5px 14px;
    border-radius: 100px;
    letter-spacing: 0.02em;
    transition: all var(--dur) var(--ease);
}

.bento-tag:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-dim);
}

.bento-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.bento-col-label {
    font-family: var(--font-c);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.bento-col ul {
    list-style: none;
    padding: 0;
}

.bento-col ul li {
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-2);
    padding: 4px 0 4px 16px;
    position: relative;
}

.bento-col ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
}

.bento-col ul li strong {
    color: var(--text-1);
    font-weight: 600;
}

/* ---- Responsive: Shared ---- */
@media (max-width: 900px) {
    .skills-wrap { grid-template-columns: 1fr; gap: 32px; }
    .capability-radar { grid-template-columns: 1fr; }
    .capability-grid { grid-template-columns: 1fr; }
    .bento-grid { grid-template-columns: 1fr 1fr; }
    .bento-card.span-2 { grid-column: span 2; }
    .bento-card.span-3 { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
    .container { padding: 0 18px; }
    .nav-links { display: none; }
    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-card.span-2,
    .bento-card.span-3 { grid-column: 1; }
    .bento-columns { grid-template-columns: 1fr; gap: 16px; }
    .float-contact .float-contact-text { display: none; }
    .float-contact { padding: 12px; border-radius: 50%; }
}

/* ---- Touch Device Adaptation ---- */
@media (hover: none) and (pointer: coarse) {
    body { cursor: auto; }
    a, button, input, textarea, select { cursor: auto; }
    .back-top { cursor: pointer; }
    .float-contact { cursor: pointer; }
    .btn-primary, .btn-ghost, .btn-accent { cursor: pointer; }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .fade-in { opacity: 1; transform: none; }
    #starCanvas, #particle-canvas, #matrixCanvas { display: none !important; }
    .cursor-dot, .cursor-ring { display: none !important; }
    body { cursor: auto; }
    a, button, input, textarea, select { cursor: auto; }
}