:root {
    --bg: oklch(13% 0.004 270);
    --bg-rgb: 19, 19, 22;
    --bg-soft: oklch(15% 0.005 270);
    --line: oklch(24% 0.006 270);
    --line-soft: oklch(20% 0.005 270);
    --text-bright: oklch(90% 0.004 270);
    --text: oklch(58% 0.006 270);
    --text-dim: oklch(45% 0.006 270);
    --text-faint: oklch(33% 0.006 270);
    --suffix: oklch(33% 0.006 270);
    --accent: oklch(70% 0.1 268);
    --accent-soft: oklch(70% 0.1 268 / 0.14);
    --toggle-bg: oklch(17% 0.005 270);
    --toggle-bg-hover: oklch(21% 0.006 270);
    --card-bg: oklch(15% 0.005 270);
    --card-bg-hover: oklch(17% 0.006 270);
    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-reveal: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="light"] {
    --bg: oklch(96% 0.003 270);
    --bg-rgb: 244, 244, 246;
    --bg-soft: oklch(93% 0.004 270);
    --line: oklch(82% 0.005 270);
    --line-soft: oklch(87% 0.004 270);
    --text-bright: oklch(22% 0.006 270);
    --text: oklch(42% 0.007 270);
    --text-dim: oklch(54% 0.007 270);
    --text-faint: oklch(66% 0.006 270);
    --suffix: oklch(72% 0.006 270);
    --accent: oklch(52% 0.16 268);
    --accent-soft: oklch(52% 0.16 268 / 0.12);
    --toggle-bg: oklch(92% 0.004 270);
    --toggle-bg-hover: oklch(88% 0.005 270);
    --card-bg: oklch(99% 0.002 270);
    --card-bg-hover: oklch(94% 0.004 270);
}

* { box-sizing: border-box; }

body, html {
    margin: 0;
    background-color: var(--bg);
    color: var(--text-bright);
    font-family: 'Nunito', sans-serif;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.6s var(--ease-out), color 0.6s var(--ease-out);
}

body {
    user-select: none;
    overflow-x: hidden;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><line x1="10" y1="2" x2="10" y2="18" stroke="gray" stroke-width="2"/><line x1="2" y1="10" x2="18" y2="10" stroke="gray" stroke-width="2"/></svg>') 10 10, auto;
}

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

.theme-toggle {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--toggle-bg);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    cursor: inherit;
    overflow: hidden;
    pointer-events: auto;
    transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out), border-color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.theme-toggle:hover {
    background: var(--toggle-bg-hover);
    color: var(--text-bright);
    transform: translateY(-2px);
}

.theme-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 1px var(--bg), 0 0 0 3px var(--accent);
}

.theme-toggle i {
    display: block;
    font-size: 1.25rem;
    line-height: 1;
    transition: transform 0.5s var(--ease-reveal), opacity 0.35s var(--ease-out);
}

.theme-toggle.switching i {
    transform: rotate(180deg) scale(0.4);
    opacity: 0;
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    padding: clamp(0.9rem, 2.5vw, 1.2rem) clamp(1.4rem, 4vw, 2.4rem);
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    background: rgba(var(--bg-rgb), 0);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(0px);
    transition: background 0.5s var(--ease-out), border-color 0.5s var(--ease-out), backdrop-filter 0.5s var(--ease-out);
    pointer-events: none;
}

.topbar.docked {
    background: rgba(var(--bg-rgb), 0.72);
    border-bottom-color: var(--line-soft);
    backdrop-filter: blur(14px);
}

.topbar .mark {
    font-size: clamp(0.95rem, 3.4vw, 1.15rem);
    font-weight: 900;
    letter-spacing: -0.01em;
    color: var(--text-bright);
    display: inline-flex;
    line-height: 1;
    pointer-events: auto;
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.topbar .mark .suffix { color: var(--suffix); display: inline-flex; }

body.is-home .topbar .mark {
    opacity: 0;
    transform: translateY(-6px);
}

body.is-home .topbar.docked .mark {
    opacity: 1;
    transform: translateY(0);
}

.nav {
    display: flex;
    align-items: center;
    gap: clamp(1.2rem, 3vw, 2.2rem);
    margin-right: auto;
    pointer-events: auto;
}

.nav-link {
    font-size: 0.72rem;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-dim);
    position: relative;
    padding: 0.3rem 0;
    cursor: inherit;
    transition: color 0.3s var(--ease-out);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.nav-link:hover { color: var(--text-bright); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--text-bright); }
.nav-link.active::after { transform: scaleX(1); background: var(--text-faint); }

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0 0.7rem;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--toggle-bg);
    cursor: inherit;
    pointer-events: auto;
}

.nav-burger span {
    display: block;
    height: 1.5px;
    width: 100%;
    background: var(--text);
    transition: transform 0.4s var(--ease-out), opacity 0.3s var(--ease-out);
}

.nav-burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 49;
    width: min(80vw, 300px);
    height: 100svh;
    background: var(--bg-soft);
    border-left: 1px solid var(--line);
    padding: clamp(5rem, 14vw, 6.5rem) clamp(1.6rem, 6vw, 2.4rem) 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-reveal);
}

.nav-drawer.open { transform: translateX(0); }

.drawer-link {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    color: var(--text-dim);
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line-soft);
    cursor: inherit;
    transition: color 0.3s var(--ease-out), padding-left 0.3s var(--ease-out);
}

.drawer-link:hover { color: var(--text-bright); padding-left: 0.4rem; }
.drawer-link.active { color: var(--accent); }

.hero {
    min-height: 100svh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: clamp(1.4rem, 4vw, 2.4rem);
    position: relative;
}

.hero-core {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: clamp(0.2rem, 2vw, 1.5rem);
}

.headline {
    font-size: clamp(3.2rem, 16vw, 11rem);
    font-weight: 900;
    line-height: 0.86;
    letter-spacing: -0.04em;
    margin: 0;
    display: flex;
    flex-wrap: nowrap;
    white-space: nowrap;
    transition: opacity 0.4s var(--ease-out);
}

.headline.faded { opacity: 0; }
.headline .suffix { color: var(--suffix); display: inline-flex; }

.tagline {
    font-size: clamp(0.95rem, 3vw, 1.18rem);
    font-weight: 400;
    margin-top: clamp(1.6rem, 4vw, 2.4rem);
    color: var(--text-dim);
    letter-spacing: 0.03rem;
    line-height: 1.75;
    max-width: 58ch;
    opacity: 0;
    animation: fade 1.3s var(--ease-out) 0.8s forwards;
    transition: color 0.5s ease;
}

.tagline:hover { color: var(--text); }
.tagline strong { color: var(--text); font-weight: 700; }

.animate-item {
    display: inline-block;
    transition: transform 0.4s var(--ease-out), color 0.3s ease, text-shadow 0.3s ease, filter 0.3s ease;
    will-change: transform;
    padding: 0.05rem 0.01em;
}

.animate-item:hover {
    color: var(--text-bright);
    transform: translateY(-0.42em) scale(1.22);
    text-shadow: 0 0 25px oklch(70% 0.04 250 / 0.5), 0 0 50px oklch(70% 0.04 250 / 0.25);
    filter: brightness(1.25);
}

.animate-item:hover + .animate-item { transform: translateY(-0.2em) scale(1.1); color: var(--text); }
.animate-item:hover + .animate-item + .animate-item { transform: translateY(-0.09em) scale(1.05); color: var(--text-dim); }
.animate-item:has(+ .animate-item:hover) { transform: translateY(-0.2em) scale(1.1); color: var(--text); }
.animate-item:has(+ .animate-item + .animate-item:hover) { transform: translateY(-0.09em) scale(1.05); color: var(--text-dim); }

.space { display: inline-block; width: 0.3em; }

@keyframes fade {
    0% { opacity: 0; transform: translateY(12px); }
    100% { opacity: 1; transform: translateY(0); }
}

.page-main {
    flex: 1 0 auto;
    width: 100%;
}

.content {
    max-width: 760px;
    margin: 0 auto;
    padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 6vw, 2rem) clamp(5rem, 14vw, 8rem);
}

.inner-head {
    width: 100%;
    padding: clamp(7rem, 16vw, 9rem) clamp(1.5rem, 5vw, 3rem) clamp(1.5rem, 4vw, 2.5rem);
}

.inner-head h1 {
    font-size: clamp(2.6rem, 9vw, 4.6rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 0.95;
    margin: 0 0 1rem;
    display: inline-flex;
    flex-wrap: wrap;
}

.inner-head p {
    font-size: clamp(0.95rem, 2.6vw, 1.1rem);
    line-height: 1.9;
    color: var(--text);
    max-width: 56ch;
    margin: 0;
}

.section-block { margin-bottom: clamp(3.4rem, 9vw, 5rem); }

.content h2 {
    font-size: clamp(1.8rem, 7vw, 2.4rem);
    font-weight: 900;
    color: var(--text-bright);
    margin: 0 0 0.6rem;
    letter-spacing: 0.03rem;
    line-height: 1.1;
    display: inline-flex;
    flex-wrap: wrap;
}

.content h2::after {
    content: '';
    display: block;
    width: 2.5rem;
    height: 2px;
    background: var(--line);
    margin-top: 1rem;
    margin-bottom: 2rem;
    flex-basis: 100%;
}

.content p {
    font-size: clamp(0.95rem, 2.6vw, 1rem);
    line-height: 1.95;
    color: var(--text);
    margin-bottom: 1.4rem;
    font-weight: 400;
}

.content p.lead {
    color: var(--text-bright);
    font-size: clamp(1.02rem, 3vw, 1.1rem);
    line-height: 2.05;
}

.content p strong { color: var(--text-bright); font-weight: 700; }

.content h3 {
    font-size: clamp(1.05rem, 3.2vw, 1.15rem);
    font-weight: 700;
    color: var(--text-dim);
    margin: 2.6rem 0 0.8rem;
    letter-spacing: 0.02rem;
}

.reveal {
    opacity: 0;
    transform: translateY(34px);
    filter: blur(6px);
    transition: opacity 1.1s var(--ease-reveal), transform 1.1s var(--ease-reveal), filter 1.1s var(--ease-reveal);
    will-change: opacity, transform, filter;
}

.reveal.visible { opacity: 1; transform: translateY(0); filter: blur(0); }

.projects-grid {
    width: 100%;
    padding: 0 clamp(1.5rem, 5vw, 3rem) clamp(4rem, 12vw, 7rem);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
    gap: clamp(1rem, 2.5vw, 1.4rem);
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--line-soft);
    border-radius: 4px;
    padding: clamp(1.5rem, 4vw, 2rem);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-reveal);
}

.project-card:hover {
    background: var(--card-bg-hover);
    border-color: var(--line);
    transform: translateY(-4px);
}

.project-card:hover::before { transform: scaleX(1); }

.project-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    color: var(--text-bright);
    line-height: 1.1;
}

.project-status {
    flex-shrink: 0;
    font-size: 0.58rem;
    letter-spacing: 0.18rem;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.35rem 0.6rem;
    border-radius: 2px;
    border: 1px solid var(--line);
    color: var(--text-dim);
    white-space: nowrap;
}

.project-status.live { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }
.project-status.wip { color: oklch(78% 0.13 75); border-color: oklch(78% 0.13 75 / 0.25); }

.project-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text);
    margin: 0;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.project-tag {
    font-size: 0.62rem;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-faint);
    border: 1px solid var(--line-soft);
    padding: 0.3rem 0.55rem;
    border-radius: 2px;
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.4rem;
}

.action-btn {
    font-family: inherit;
    font-size: 0.66rem;
    letter-spacing: 0.14rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 0.6rem 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: inherit;
    transition: color 0.35s var(--ease-out), border-color 0.35s var(--ease-out), background 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.action-btn i { font-size: 0.95rem; }
.action-btn:hover { color: var(--text-bright); border-color: var(--text-faint); transform: translateY(-2px); }
.action-btn:focus-visible { outline: none; box-shadow: 0 0 0 1px var(--bg), 0 0 0 3px var(--accent); }

.action-btn.primary {
    color: var(--accent);
    border-color: var(--accent-soft);
    background: var(--accent-soft);
}

.action-btn.primary:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.action-btn.copied { color: var(--accent); border-color: var(--accent); }

.os-list {
    width: 100%;
    padding: 0 clamp(1.5rem, 5vw, 3rem) clamp(4rem, 12vw, 7rem);
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2.5vw, 1.4rem);
}

.os-card {
    background: var(--card-bg);
    border: 1px solid var(--line-soft);
    border-radius: 5px;
    padding: clamp(1.3rem, 3.2vw, 1.7rem) clamp(1.4rem, 3.5vw, 1.9rem);
    transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}

.os-card:hover { border-color: var(--line); }

.os-title-row {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 0.7rem;
}

.os-title {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    color: var(--text-bright);
    font-family: 'Nunito', monospace;
}

.os-version {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08rem;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 0.22rem 0.5rem;
    border-radius: 3px;
}

.os-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text);
    margin: 0 0 0.85rem;
    max-width: 64ch;
}

.os-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.85rem;
    margin-bottom: 1rem;
}

.os-tag {
    font-size: 0.62rem;
    letter-spacing: 0.14rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-faint);
    position: relative;
}

.os-tag + .os-tag::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 50%;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: var(--text-faint);
    transform: translateY(-50%);
    opacity: 0.55;
}

.os-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.ghost-btn {
    font-family: inherit;
    font-size: 0.68rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-dim);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 3px;
    padding: 0.55rem 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: inherit;
    transition: color 0.3s var(--ease-out), background 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.ghost-btn i { font-size: 1rem; }

.ghost-btn:hover {
    color: var(--text-bright);
    background: var(--toggle-bg-hover);
    transform: translateY(-1px);
}

.ghost-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 1px var(--bg), 0 0 0 3px var(--accent);
}

.ghost-btn.copied { color: var(--accent); }

.os-code {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease-reveal), opacity 0.4s var(--ease-out), margin-top 0.5s var(--ease-reveal);
}

.os-code.open {
    max-height: 520px;
    opacity: 1;
    margin-top: 1.3rem;
}

.os-code-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1rem;
    background: var(--bg-soft);
    border: 1px solid var(--line-soft);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

.os-filename {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.02rem;
}

.os-lang {
    font-size: 0.6rem;
    letter-spacing: 0.16rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-faint);
}

.os-pre {
    margin: 0;
    border: 1px solid var(--line-soft);
    border-radius: 0 0 4px 4px;
    overflow: auto;
    max-height: 460px;
    background: oklch(11% 0.004 270);
}

html[data-theme="light"] .os-pre { background: oklch(97% 0.003 270); }

.os-pre code {
    display: block;
    padding: 1.1rem 1.3rem;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.82rem;
    line-height: 1.7;
    tab-size: 2;
}

.os-pre code:not(.hljs) { color: var(--text); white-space: pre; }

.toast {
    position: fixed;
    bottom: clamp(1.5rem, 5vw, 2.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    color: var(--text-bright);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05rem;
    padding: 0.85rem 1.4rem;
    border-radius: 3px;
    z-index: 80;
    pointer-events: none;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    transition: transform 0.5s var(--ease-reveal);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.toast i { color: var(--accent); font-size: 1.05rem; }
.toast.show { transform: translateX(-50%) translateY(0); }

.empty-state {
    max-width: 620px;
    margin: clamp(1rem, 4vw, 2.5rem) auto 0;
    padding: clamp(2.5rem, 7vw, 4rem) clamp(1.5rem, 6vw, 3rem) clamp(3rem, 8vw, 4.5rem);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.empty-state i {
    font-size: clamp(2.4rem, 8vw, 3.2rem);
    color: var(--text-faint);
    margin-bottom: 1.2rem;
}

.empty-state h2 {
    font-size: clamp(1.4rem, 5vw, 1.9rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--text-bright);
    margin: 0 0 0.9rem;
}

.empty-state p {
    font-size: clamp(0.92rem, 2.6vw, 1rem);
    line-height: 1.85;
    color: var(--text-dim);
    margin: 0;
    max-width: 46ch;
}

.notfound {
    min-height: calc(100svh - 6rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(6rem, 14vw, 8rem) clamp(1.5rem, 6vw, 3rem) clamp(4rem, 10vw, 6rem);
}

.nf-code {
    display: flex;
    gap: clamp(0.2rem, 1vw, 0.5rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.05em;
    font-size: clamp(6rem, 26vw, 16rem);
    color: var(--text-bright);
    margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.nf-digit {
    position: relative;
    display: inline-block;
    animation: nfFloat 5s ease-in-out infinite;
}

.nf-digit:nth-child(2) { animation-delay: 0.4s; color: var(--text-faint); }
.nf-digit:nth-child(3) { animation-delay: 0.8s; }

.nf-code:hover .nf-digit {
    animation: nfGlitch 0.5s steps(2) infinite;
}

@keyframes nfFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-0.06em); }
}

@keyframes nfGlitch {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-0.015em, 0.01em); }
    50% { transform: translate(0.015em, -0.01em); }
    75% { transform: translate(-0.008em, 0); }
    100% { transform: translate(0, 0); }
}

.nf-title {
    font-size: clamp(1.6rem, 6vw, 2.6rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--text-bright);
    margin: 0 0 1rem;
}

.nf-desc {
    font-size: clamp(0.95rem, 2.8vw, 1.1rem);
    line-height: 1.85;
    color: var(--text-dim);
    margin: 0 0 clamp(2rem, 5vw, 2.8rem);
    max-width: 52ch;
}

.nf-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.8rem;
    justify-content: center;
}

.nf-btn {
    font-size: 0.72rem;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-dim);
    background: transparent;
    border: none;
    padding: 0.3rem 0;
    position: relative;
    cursor: inherit;
    transition: color 0.35s var(--ease-out);
}

.nf-btn::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.nf-btn:hover { color: var(--text-bright); }
.nf-btn:hover::after { transform: scaleX(1); }

.nf-btn.primary { color: var(--accent); }
.nf-btn.primary:hover { color: var(--accent); }

.nf-btn:focus-visible {
    outline: none;
    color: var(--text-bright);
    box-shadow: 0 0 0 2px var(--accent);
    border-radius: 2px;
}

.site-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--line-soft);
    background: var(--bg-soft);
}

.footer-inner {
    width: 100%;
    padding: clamp(1.5rem, 3.5vw, 2rem) clamp(1.5rem, 5vw, 3rem);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem 1.6rem;
}

.footer-mark { font-size: 1rem; font-weight: 900; color: var(--text-bright); letter-spacing: -0.01em; }
.footer-meta { font-size: 0.68rem; letter-spacing: 0.18rem; text-transform: uppercase; font-weight: 700; color: var(--text-faint); }
.footer-copy { font-size: 0.68rem; color: var(--text-faint); }

@media (max-width: 720px) {
    .nav { display: none; }
    .nav-burger { display: flex; }
    .topbar { gap: 0.7rem; }
    .topbar .mark { margin-right: auto; }
    body.is-home .topbar .mark { opacity: 0; }
    body.is-home .topbar.docked .mark { opacity: 1; }
}

@media (hover: none) {
    .animate-item:hover,
    .animate-item:hover + .animate-item,
    .animate-item:hover + .animate-item + .animate-item,
    .animate-item:has(+ .animate-item:hover),
    .animate-item:has(+ .animate-item + .animate-item:hover) {
        transform: none; color: inherit; text-shadow: none; filter: none;
    }
    body, .theme-toggle, .nav-burger, .action-btn, .nav-link, .drawer-link, .ghost-btn, .nf-btn { cursor: auto; }
}

@media (prefers-reduced-motion: reduce) {
    .animate-item { transition: color 0.2s ease; }
    .animate-item:hover { transform: none; }
    .reveal { opacity: 1; transform: none; filter: none; transition: none; }
    .headline { transition: none; }
    .theme-toggle i { transition: none; }
    .project-card:hover { transform: none; }
    .nf-digit { animation: none; }
    .nf-code:hover .nf-digit { animation: none; }
}