:root {
    --bg:        #f2f1ec;
    --bg-soft:   #ebeae4;
    --fg:        #0a0a0a;
    --fg-muted:  #6e6e68;
    --fg-faint:  #a6a59f;
    --line:      rgba(10, 10, 10, 0.10);
    --line-2:    rgba(10, 10, 10, 0.18);
    --accent:    #0a0a0a;
    --signal:    #1f6feb;

    --max:       1320px;
    --pad:       clamp(1.25rem, 4vw, 3rem);
    --gap:       clamp(1rem, 2vw, 1.75rem);

    --font-sans:    'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    --ease:  cubic-bezier(0.2, 0.8, 0.2, 1);
    --t-fast: 220ms var(--ease);
    --t-med:  500ms var(--ease);
    --t-slow: 900ms var(--ease);
}

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

html, body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    min-height: 100dvh;
    overflow-x: hidden;
    position: relative;
}

/* hairline grid bg, masked at edges */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 72px 72px;
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 0%, transparent 80%);
            mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 0%, transparent 80%);
    pointer-events: none;
    z-index: -1;
    opacity: 0.55;
}

/* drifting accent dot */
body::after {
    content: '';
    position: fixed;
    top: -120px; right: -120px;
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(31, 111, 235, 0.10), transparent 60%);
    pointer-events: none;
    z-index: -1;
    animation: drift 24s ease-in-out infinite alternate;
}

@keyframes drift {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-120px, 60px) scale(1.15); }
    100% { transform: translate(40px, 200px) scale(0.95); }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; border: 0; background: none; color: inherit; cursor: pointer; }

::selection { background: var(--fg); color: var(--bg); }

/* =========================================================
   NAV
   ========================================================= */

.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 1rem var(--pad);
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid var(--line);
    animation: fadeDown 700ms var(--ease) both;
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    font-size: 1rem;
}
.brand-mark {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--fg);
    position: relative;
}
.brand-mark::after {
    content: '';
    position: absolute; inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--line-2);
    animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
    0%   { transform: scale(1);   opacity: 1; }
    100% { transform: scale(1.8); opacity: 0; }
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    justify-self: center;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: lowercase;
    letter-spacing: 0.04em;
}
.nav-links a { position: relative; padding: 0.25rem 0; color: var(--fg-muted); transition: color var(--t-fast); }
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%; height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform var(--t-med);
}
.nav-links a:hover,
.nav-links a.active { color: var(--fg); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); transform-origin: left center; }

.status {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--fg-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #14b86a;
    box-shadow: 0 0 0 0 rgba(20, 184, 106, 0.55);
    animation: blink 1.6s var(--ease) infinite;
}
@keyframes blink {
    0%, 100% { box-shadow: 0 0 0 0 rgba(20, 184, 106, 0.55); }
    50%      { box-shadow: 0 0 0 8px rgba(20, 184, 106, 0); }
}

@media (max-width: 720px) {
    .nav { grid-template-columns: auto 1fr; }
    .status { display: none; }
    .nav-links { justify-self: end; gap: 1rem; }
}

/* =========================================================
   LAYOUT PRIMITIVES
   ========================================================= */

main {
    padding: clamp(7rem, 12vh, 10rem) var(--pad) 6rem;
    max-width: var(--max);
    margin: 0 auto;
}
main.page { padding-top: clamp(8rem, 14vh, 11rem); }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fg-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
}

.lede {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: clamp(1.05rem, 1.4vw, 1.25rem);
    line-height: 1.5;
    color: var(--fg-muted);
    max-width: 52ch;
}

.num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fg-muted);
    letter-spacing: 0.06em;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
    position: relative;
    padding-block: clamp(2rem, 6vh, 4rem) 4rem;
    border-bottom: 1px solid var(--line);
}

.display {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.5rem, 8.5vw, 8rem);
    line-height: 0.96;
    letter-spacing: -0.035em;
    color: var(--fg);
}
.display .line {
    display: block;
    overflow: hidden;
}
.display .line > * { display: inline-block; }

/* hero text rises in sequence on load */
.display .line {
    transform: translateY(110%);
    animation: rise 1.1s var(--ease) forwards;
}
.display .line:nth-child(1) { animation-delay: 150ms; }
.display .line:nth-child(2) { animation-delay: 300ms; }
.display .line:nth-child(3) { animation-delay: 450ms; }
@keyframes rise {
    to { transform: translateY(0); }
}

.period {
    color: var(--signal);
    animation: pop 600ms var(--ease) 1.1s both;
}
@keyframes pop {
    0%   { transform: scale(0.5); opacity: 0; }
    60%  { transform: scale(1.25); opacity: 1; }
    100% { transform: scale(1);    opacity: 1; }
}

.stagger {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 900ms var(--ease) forwards;
    animation-delay: var(--delay, 0ms);
}
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.hero-meta {
    margin-top: clamp(2rem, 5vh, 4rem);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 2rem;
}
@media (max-width: 720px) {
    .hero-meta { grid-template-columns: 1fr; align-items: start; }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.85rem;
}
@media (max-width: 720px) {
    .hero-actions { justify-content: flex-start; }
}

/* CTA — outlined, with sliding fill */
.cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 1.4rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--fg);
    border-radius: 999px;
    color: var(--fg);
    overflow: hidden;
    transition: color var(--t-med);
    background: transparent;
    cursor: pointer;
}
.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--fg);
    transform: translateY(101%);
    transition: transform var(--t-med);
    z-index: 0;
}
.cta > * { position: relative; z-index: 1; }
.cta:hover { color: var(--bg); }
.cta:hover::before { transform: translateY(0); }
.cta .arrow { transition: transform var(--t-med); }
.cta:hover .arrow { transform: translateX(4px); }

.cta-ghost {
    border-color: var(--line-2);
    color: var(--fg-muted);
    background: color-mix(in srgb, var(--bg-soft) 55%, transparent);
}
.cta-ghost::before {
    background: var(--bg-soft);
}
.cta-ghost:hover {
    color: var(--fg);
}

.scroll-cue {
    position: absolute;
    right: 0; bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.line-v {
    display: inline-block;
    width: 1px; height: 56px;
    background: linear-gradient(var(--fg) 0%, var(--fg) 50%, transparent 50%);
    background-size: 100% 200%;
    animation: scroll-line 1.8s var(--ease) infinite;
}
@keyframes scroll-line {
    from { background-position: 0 100%; }
    to   { background-position: 0 -100%; }
}

/* =========================================================
   STRIP / MARQUEE
   ========================================================= */

.strip {
    margin-top: 3rem;
    border-block: 1px solid var(--line);
    padding-block: 1.25rem;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
            mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee { width: 100%; }
.marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 2rem;
    white-space: nowrap;
    animation: marquee 38s linear infinite;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    color: var(--fg-muted);
}
.marquee-track span:nth-child(even) { color: var(--fg-faint); }
@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* =========================================================
   FEATURED WORK
   ========================================================= */

.section-head {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    margin: clamp(4rem, 10vh, 7rem) 0 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}
.section-head h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    letter-spacing: -0.02em;
    flex: 1;
}
.section-head .all {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--fg-muted);
    transition: color var(--t-fast), transform var(--t-fast);
}
.section-head .all:hover { color: var(--fg); transform: translateX(4px); }

.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
}
.work-card.wide { grid-column: 1 / -1; }
@media (max-width: 720px) {
    .work-grid { grid-template-columns: 1fr; }
}

.work-card {
    display: block;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: color-mix(in srgb, var(--bg-soft) 60%, transparent);
    transition: transform var(--t-med), border-color var(--t-med), background var(--t-med);
}
.work-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-2);
    background: var(--bg-soft);
}

.thumb {
    aspect-ratio: 16 / 10;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.thumb::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(120% 80% at 0% 0%, rgba(255,255,255,0.5), transparent 60%);
    mix-blend-mode: overlay;
    pointer-events: none;
}
.thumb-meta {
    position: absolute;
    left: 14px; bottom: 12px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--fg);
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    padding: 0.3rem 0.55rem;
    border-radius: 999px;
    backdrop-filter: blur(6px);
}

.thumb-a { background: linear-gradient(135deg, #d6d4cc, #e9e8e3 60%, #f0eee8); }
.thumb-b { background: linear-gradient(160deg, #c9d4e0, #e6ecf2); }
.thumb-c { background: linear-gradient(120deg, #ddd9c9, #efece0); }
.thumb-d { background: linear-gradient(135deg, #cfcec8, #e3e2dc); }
.thumb-e { background: linear-gradient(150deg, #d3d8d2, #e7eae4); }
.thumb-f { background: linear-gradient(125deg, #d8cfc6, #ece5dc); }

/* moving sheen on hover */
.thumb::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.65) 50%, transparent 70%);
    transform: translateX(-110%);
    transition: transform 900ms var(--ease);
}
.work-card:hover .thumb::before,
.project:hover .p-thumb::before {
    transform: translateX(110%);
}

.card-meta {
    padding: 1rem 0.4rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.card-meta h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}
.card-meta p { color: var(--fg-muted); font-size: 0.92rem; }

/* =========================================================
   ABOUT STRIP (home)
   ========================================================= */

.about-strip {
    margin-top: clamp(4rem, 10vh, 7rem);
    padding-block: 4rem;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 1.5rem;
}
.about-strip > div { display: flex; align-items: baseline; gap: 1.25rem; }
.about-strip h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}
.big-text {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.5rem, 3.4vw, 2.6rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 28ch;
    color: var(--fg);
}

/* =========================================================
   PAGE HERO (about / work / contact)
   ========================================================= */

.page-hero {
    padding-block: clamp(2rem, 6vh, 5rem) 4rem;
    border-bottom: 1px solid var(--line);
}
.page-hero .lede { margin-top: 1.75rem; }

/* =========================================================
   TWO-COLUMN BLOCKS (about)
   ========================================================= */

.two-col {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    padding-block: clamp(2.5rem, 6vh, 4rem);
    border-bottom: 1px solid var(--line);
}
.two-col p { max-width: 64ch; }
.two-col p + p { margin-top: 1rem; }
.col-label .num { display: block; }
@media (max-width: 720px) {
    .two-col { grid-template-columns: 1fr; gap: 1rem; }
}

.bullets { list-style: none; display: grid; gap: 1rem; max-width: 64ch; }
.bullets li { padding-left: 1.4rem; position: relative; }
.bullets li::before {
    content: '';
    position: absolute;
    left: 0; top: 0.65em;
    width: 8px; height: 1px;
    background: var(--fg);
}

.timeline { width: 100%; border-collapse: collapse; }
.timeline td {
    padding: 0.85rem 0;
    border-top: 1px solid var(--line);
    vertical-align: baseline;
    font-family: var(--font-sans);
}
.timeline tr:last-child td { border-bottom: 1px solid var(--line); }
.timeline .t-year { font-family: var(--font-mono); font-size: 0.85rem; color: var(--fg-muted); width: 30%; }
.timeline .t-role { font-weight: 500; }
.timeline .t-where { color: var(--fg-muted); text-align: right; }

.tool-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tool-grid span {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    color: var(--fg);
    background: color-mix(in srgb, var(--bg-soft) 50%, transparent);
    transition: transform var(--t-fast), background var(--t-fast);
}
.tool-grid span:hover {
    transform: translateY(-2px);
    background: var(--bg-soft);
}

/* =========================================================
   WORK PAGE — filters + project list
   ========================================================= */

.filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 2rem 0 1rem;
}
.chip {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--line-2);
    color: var(--fg-muted);
    transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.chip:hover { color: var(--fg); }
.chip.active { color: var(--bg); background: var(--fg); border-color: var(--fg); }

.project-list {
    display: grid;
    gap: 0;
    margin-top: 1.5rem;
}
.project {
    display: grid;
    grid-template-columns: 60px 220px 1fr 40px;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 0.5rem;
    border-top: 1px solid var(--line);
    cursor: pointer;
    transition: background var(--t-med), padding var(--t-med);
}
.project:last-child { border-bottom: 1px solid var(--line); }
.project:hover {
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--bg-soft) 80%, transparent), transparent);
    padding-inline: 1.25rem;
}
.p-index { font-family: var(--font-mono); font-size: 0.85rem; color: var(--fg-muted); }
.p-thumb {
    aspect-ratio: 16 / 10;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.p-thumb::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.5) 50%, transparent 70%);
    transform: translateX(-110%);
    transition: transform 900ms var(--ease);
}
.p-body h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    letter-spacing: -0.015em;
    margin-bottom: 0.25rem;
}
.p-tag { font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5rem; }
.p-body p:last-child { color: var(--fg-muted); max-width: 56ch; }
.p-arrow {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    color: var(--fg-muted);
    transition: transform var(--t-med), color var(--t-med);
    text-align: right;
}
.project:hover .p-arrow { transform: translateX(8px); color: var(--fg); }
@media (max-width: 720px) {
    .project { grid-template-columns: 40px 1fr; gap: 1rem; }
    .p-thumb { display: none; }
    .p-arrow { display: none; }
}

/* =========================================================
   CONTACT PAGE
   ========================================================= */

.contact-page { padding-bottom: 4rem; }

.contact-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 4rem;
    padding-top: clamp(2rem, 6vh, 4rem);
}
@media (max-width: 880px) {
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.contact-side {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.side-block { display: flex; flex-direction: column; gap: 0.5rem; }
.side-block .num { display: block; margin-bottom: 0.25rem; }
.big-link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.2rem, 2.4vw, 1.6rem);
    letter-spacing: -0.015em;
    border-bottom: 1px solid var(--fg);
    padding-bottom: 2px;
    width: max-content;
    transition: color var(--t-fast), border-color var(--t-fast);
}
.big-link:hover { color: var(--signal); border-color: var(--signal); }

.side-links { list-style: none; display: grid; gap: 0.4rem; }
.side-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--fg-muted);
    transition: color var(--t-fast), gap var(--t-fast);
}
.side-links a:hover { color: var(--fg); gap: 0.7rem; }

.ok { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--fg-muted); }

/* form */
.contact-form { display: grid; gap: 2rem; }
.field {
    position: relative;
    display: grid;
    gap: 0.5rem;
}
.field label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.field input,
.field select,
.field textarea {
    width: 100%;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line-2);
    padding: 0.65rem 0;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    color: var(--fg);
    outline: none;
    transition: border-color var(--t-fast);
    resize: vertical;
}
.field textarea { min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--fg-faint); }

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* animated underline on focus */
.field-line {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: var(--fg);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--t-med);
    pointer-events: none;
}
.field input:focus ~ .field-line,
.field select:focus ~ .field-line,
.field textarea:focus ~ .field-line { transform: scaleX(1); }

.send { justify-self: start; }

/* form: error + status */
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-bottom-color: #c8372d; }
.field.has-error label { color: #c8372d; }

.form-status {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--fg-muted);
    min-height: 1.25rem;
    transition: color var(--t-fast);
}
.form-status[data-kind="ok"]    { color: #14b86a; }
.form-status[data-kind="error"] { color: #c8372d; }

/* filter: hidden projects */
.project.is-hidden { display: none; }

/* =========================================================
   WRITING — post list
   ========================================================= */

.post-list { display: grid; margin-top: 1.5rem; }

.post {
    position: relative;
    display: grid;
    grid-template-columns: 220px 1fr 40px;
    gap: 1.75rem;
    align-items: center;
    padding: 1.75rem 0.5rem;
    border-top: 1px solid var(--line);
    transition: background var(--t-med), padding var(--t-med);
}
.post:last-child { border-bottom: 1px solid var(--line); }
.post:hover {
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--bg-soft) 80%, transparent), transparent);
    padding-inline: 1.25rem;
}

.post-thumb {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 8px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
}
.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 700ms var(--ease), filter 700ms var(--ease);
    filter: saturate(0.95);
}
.post:hover .post-thumb img {
    transform: scale(1.04);
    filter: saturate(1.05);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    align-items: center;
    margin-bottom: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--fg-muted);
    line-height: 1.4;
}
.post-meta time {
    color: var(--fg);
    letter-spacing: 0.04em;
    font-weight: 500;
}
.post-meta time::after {
    content: '·';
    margin-left: 0.85rem;
    color: var(--fg-faint);
}
.post-tag {
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.post-body h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    letter-spacing: -0.015em;
    margin-bottom: 0.55rem;
}
.post-body p {
    color: var(--fg-muted);
    max-width: 64ch;
}

.post-cover {
    position: absolute;
    inset: 0;
    z-index: 5;
}

.post-arrow {
    align-self: center;
    justify-self: end;
    color: var(--fg-muted);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    transition: transform var(--t-med), color var(--t-med);
    pointer-events: none;
}
.post:hover .post-arrow { transform: translateX(6px); color: var(--fg); }

@media (max-width: 720px) {
    .post { grid-template-columns: 1fr; gap: 1rem; align-items: start; }
    .post-thumb { aspect-ratio: 16 / 9; }
    .post-meta time::after { display: none; }
    .post-arrow { display: none; }
}

/* =========================================================
   ARTICLE — long-form post detail page
   ========================================================= */

.article {
    max-width: 880px;
    padding-bottom: 4rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--fg-muted);
    margin-bottom: 2.5rem;
    transition: color var(--t-fast), gap var(--t-fast);
}
.back-link:hover { color: var(--fg); gap: 0.75rem; }

.post-article-head {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 2.5rem;
}
.post-article-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.9rem, 4.5vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 1rem 0 1.5rem;
}
.post-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.post-article-meta time { color: var(--fg); font-weight: 500; }
.post-article-meta a {
    border-bottom: 1px solid currentColor;
    transition: color var(--t-fast);
}
.post-article-meta a:hover { color: var(--fg); }

.post-article-image {
    margin: 0 0 2.5rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--bg-soft);
}
.post-article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-article-body {
    font-size: 1.075rem;
    line-height: 1.7;
    color: var(--fg);
}
.post-article-body p {
    margin-bottom: 1.25rem;
    max-width: 64ch;
}
.post-article-body h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.3rem, 2.6vw, 1.65rem);
    letter-spacing: -0.015em;
    margin: 2.5rem 0 1rem;
}
.post-article-body ul,
.post-article-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
    max-width: 64ch;
}
.post-article-body li {
    margin-bottom: 0.5rem;
    color: var(--fg);
}
.post-article-body strong { color: var(--fg); font-weight: 600; }
.post-article-body blockquote {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    border-left: 2px solid var(--fg);
    font-family: var(--font-display);
    font-style: italic;
    color: var(--fg);
    font-size: 1.18rem;
    max-width: 60ch;
}

.post-article-foot {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 1rem 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.post-nav {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.post-nav a {
    color: var(--fg-muted);
    transition: color var(--t-fast), transform var(--t-fast);
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
}
.post-nav .post-nav-label {
    font-size: 0.72rem;
    color: var(--fg-faint);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.post-nav .next { text-align: right; }
.post-nav .prev:hover { color: var(--fg); transform: translateX(-4px); }
.post-nav .next:hover { color: var(--fg); transform: translateX(4px); }
.post-nav .post-nav-empty { visibility: hidden; }

/* CTA banner */
.cta-band {
    margin-top: clamp(4rem, 10vh, 7rem);
    padding: clamp(2.5rem, 6vh, 5rem) clamp(1.5rem, 4vw, 3rem);
    border: 1px solid var(--line-2);
    border-radius: 18px;
    background: var(--bg-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.cta-band h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    letter-spacing: -0.02em;
}

/* =========================================================
   FOOTER
   ========================================================= */

.foot {
    border-top: 1px solid var(--line);
    padding: 2.5rem var(--pad) 2rem;
    max-width: var(--max);
    margin: 4rem auto 0;
    display: grid;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--fg-muted);
}
.foot-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1rem;
    align-items: baseline;
    padding-block: 0.4rem;
    border-bottom: 1px dashed var(--line);
}
.foot-row:last-child { border-bottom: 0; }
.foot-label { letter-spacing: 0.08em; text-transform: uppercase; }
.foot-mail {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.6vw, 2.4rem);
    color: var(--fg);
    letter-spacing: -0.02em;
    transition: color var(--t-fast), letter-spacing var(--t-fast);
    width: max-content;
}
.foot-mail:hover { color: var(--signal); letter-spacing: -0.012em; }

.foot-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.foot-links a { color: var(--fg-muted); transition: color var(--t-fast); }
.foot-links a:hover { color: var(--fg); }

.foot-end { color: var(--fg-faint); }

@media (max-width: 720px) {
    .foot-row { grid-template-columns: 1fr; }
}

/* =========================================================
   PORTFOLIO ASSISTANT
   ========================================================= */

.portfolio-assistant {
    position: fixed;
    right: clamp(1rem, 2.5vw, 2rem);
    bottom: clamp(1rem, 2.5vw, 2rem);
    z-index: 80;
    display: grid;
    justify-items: end;
    gap: 0.9rem;
}

.assistant-launch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(31, 111, 235, 0.08), transparent 60%),
        color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    box-shadow: 0 20px 45px rgba(10, 10, 10, 0.08);
    transition: transform var(--t-med), border-color var(--t-fast), box-shadow var(--t-fast);
}
.assistant-launch:hover {
    transform: translateY(-2px);
    border-color: var(--fg);
    box-shadow: 0 24px 50px rgba(10, 10, 10, 0.12);
}

.assistant-launch-mark {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 0 0 rgba(31, 111, 235, 0.35);
    animation: assistant-pulse 1.8s var(--ease) infinite;
}

@keyframes assistant-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(31, 111, 235, 0.35); }
    50% { box-shadow: 0 0 0 10px rgba(31, 111, 235, 0); }
}

.assistant-launch-copy {
    display: grid;
    gap: 0.08rem;
    text-align: left;
}

.assistant-launch-copy strong {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.assistant-launch-copy span {
    color: var(--fg-muted);
    font-size: 0.76rem;
    letter-spacing: -0.01em;
}

.assistant-panel {
    width: min(380px, calc(100vw - 2rem));
    border: 1px solid var(--line-2);
    border-radius: 22px;
    background:
        radial-gradient(circle at top left, rgba(31, 111, 235, 0.14), transparent 34%),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.45), transparent 30%),
        color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    box-shadow: 0 28px 65px rgba(10, 10, 10, 0.14);
    overflow: hidden;
}

.assistant-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
    padding: 1.1rem 1.1rem 0.85rem;
    border-bottom: 1px solid var(--line);
}

.assistant-eyebrow,
.assistant-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.assistant-head h2 {
    margin-top: 0.35rem;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.assistant-meta {
    margin-top: 0.32rem;
    color: var(--fg-muted);
    font-size: 0.86rem;
    letter-spacing: -0.01em;
}

.assistant-close {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.36);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1;
    color: var(--fg-muted);
    transition: color var(--t-fast), transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.assistant-close:hover {
    color: var(--fg);
    border-color: var(--fg);
    background: rgba(255, 255, 255, 0.6);
    transform: rotate(90deg);
}

.assistant-messages {
    display: grid;
    gap: 0.8rem;
    padding: 1rem 1.1rem;
    max-height: 340px;
    overflow: auto;
}

.assistant-message {
    display: grid;
    gap: 0.65rem;
    animation: assistant-pop 280ms var(--ease) both;
}

.assistant-message p {
    max-width: 32ch;
    padding: 0.85rem 0.95rem;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.55;
}

.assistant-bot p {
    background: color-mix(in srgb, var(--bg-soft) 85%, transparent);
    border: 1px solid var(--line);
}

.assistant-typing {
    justify-items: start;
}

.assistant-bubble {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg-soft) 85%, transparent);
}

.assistant-bubble span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--signal) 75%, white);
    opacity: 0.35;
    animation: assistant-dot 1s var(--ease) infinite;
}

.assistant-bubble span:nth-child(2) { animation-delay: 120ms; }
.assistant-bubble span:nth-child(3) { animation-delay: 240ms; }

.assistant-user {
    justify-items: end;
}

.assistant-user p {
    background: var(--fg);
    color: var(--bg);
}

.assistant-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.assistant-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--fg-muted);
    transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.assistant-chip:hover {
    color: var(--fg);
    border-color: var(--fg);
    transform: translateY(-1px);
}

.assistant-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0 1.1rem 1rem;
    border-top: 1px solid var(--line);
}

.assistant-suggestion {
    padding: 0.58rem 0.78rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.45);
    color: var(--fg);
    font-size: 0.8rem;
    line-height: 1.3;
    text-align: left;
    transition: transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.assistant-suggestion:hover {
    transform: translateY(-1px);
    border-color: var(--fg);
    background: rgba(255, 255, 255, 0.72);
}

.assistant-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0 1.1rem 1rem;
}

.assistant-prompts button {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.assistant-prompts button:hover {
    color: var(--fg);
    border-color: var(--fg);
    background: color-mix(in srgb, var(--bg-soft) 75%, transparent);
}

.assistant-form {
    display: grid;
    gap: 0.55rem;
    padding: 0 1.1rem 1.1rem;
}

.assistant-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.65rem;
}

.assistant-row input {
    width: 100%;
    min-width: 0;
    padding: 0.9rem 1rem;
    border: 1px solid var(--line-2);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.48);
    color: var(--fg);
    font: inherit;
    outline: none;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.assistant-row input:focus {
    border-color: var(--fg);
    box-shadow: 0 0 0 4px rgba(10, 10, 10, 0.05);
}

.assistant-send {
    padding: 0.9rem 1rem;
    border: 1px solid var(--fg);
    border-radius: 14px;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--fg);
    color: var(--bg);
}

.assistant-send:hover {
    transform: translateY(-1px);
}

@keyframes assistant-pop {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes assistant-dot {
    0%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-2px);
    }
}

@media (max-width: 720px) {
    .portfolio-assistant {
        right: 0.75rem;
        left: 0.75rem;
        justify-items: stretch;
    }

    .assistant-launch {
        justify-content: flex-start;
    }

    .assistant-panel {
        width: 100%;
    }
}

/* =========================================================
   SCROLL-DRIVEN REVEALS (modern browsers; degrades to visible)
   ========================================================= */

.reveal {
    opacity: 1;
    transform: none;
}

@supports (animation-timeline: view()) {
    .reveal {
        animation: scrollReveal linear both;
        animation-timeline: view();
        animation-range: entry 5% cover 25%;
    }
    @keyframes scrollReveal {
        from { opacity: 0; transform: translateY(28px); filter: blur(2px); }
        to   { opacity: 1; transform: translateY(0);    filter: blur(0); }
    }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .display .line { transform: none; }
    .reveal { opacity: 1; transform: none; filter: none; }
}