:root {
    --ink-950: #0D0F11;
    --ink-900: #121417;
    --ink-800: #1A1D21;
    --ink-700: #262A2F;
    --ink-600: #3A3F45;
    --bone-100: #E9E7E2;
    --bone-400: #9A9891;
    --bone-600: #6E6C66;
    --mist-400: #7FA5BD;
    --mist-600: #5A7E96;

    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Satoshi', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --space-1: 8px;  --space-2: 16px; --space-3: 24px; --space-4: 40px;
    --space-5: 64px; --space-6: 96px; --space-7: 160px;

    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* base */

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

html { scroll-behavior: smooth; }

body {
    background: var(--ink-900);
    color: var(--bone-100);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--mist-600); color: var(--ink-900); }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--mist-400); outline-offset: 3px; }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding-inline: max(6vw, 24px); }
.section { padding-block: var(--space-7); position: relative; }

.grain {
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.035;
    pointer-events: none;
    z-index: 9999;
}

.meta {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bone-600);
}

.link { position: relative; color: var(--bone-400); transition: color 200ms var(--ease-out); }
.link::after {
    content: '';
    position: absolute; left: 0; bottom: -3px;
    width: 100%; height: 1px;
    background: currentColor;
    transform: scaleX(0); transform-origin: right;
    transition: transform 250ms var(--ease-out);
}
.link:hover { color: var(--bone-100); }
.link:hover::after { transform: scaleX(1); transform-origin: left; }

/* nav */

.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: color-mix(in srgb, var(--ink-900) 82%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 400ms var(--ease-out);
}
.nav.is-scrolled { border-bottom-color: var(--ink-700); }

.nav__inner { display: flex; justify-content: space-between; align-items: center; padding-block: 22px; }
.nav__brand { font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.08em; }
.nav__links { display: flex; gap: var(--space-4); font-size: 15px; }
.nav__toggle {
    display: none;
    background: none; border: none; cursor: pointer;
    font-family: var(--font-mono); font-size: 13px;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--bone-100);
}

.nav-overlay {
    position: fixed; inset: 0; z-index: 90;
    background: var(--ink-950);
    display: flex; align-items: center;
    opacity: 0; visibility: hidden;
    transition: opacity 400ms var(--ease-out), visibility 400ms;
}
.nav-overlay.is-open { opacity: 1; visibility: visible; }
.nav-overlay__inner { display: flex; flex-direction: column; gap: var(--space-3); }
.nav-overlay__inner a {
    font-family: var(--font-display);
    font-size: clamp(36px, 10vw, 61px);
    line-height: 1.2;
    color: var(--bone-400);
    transition: color 250ms var(--ease-out);
}
.nav-overlay__inner a:hover { color: var(--bone-100); }

/* hero */

.hero {
    min-height: 100svh;
    display: flex; flex-direction: column; justify-content: center;
    padding-top: 80px;
    position: relative;
}

.hero__atmosphere {
    position: absolute; top: -10%; right: -15%;
    width: 70vw; height: 70vw;
    max-width: 900px; max-height: 900px;
    background: radial-gradient(circle at center,
        color-mix(in srgb, var(--mist-600) 14%, transparent) 0%,
        transparent 62%);
    pointer-events: none;
}

.hero__grid {
    position: absolute; inset: 0;
    display: flex; justify-content: space-evenly;
    pointer-events: none;
}
.hero__grid span { width: 1px; background: var(--ink-800); }

.hero__label { margin-bottom: var(--space-3); position: relative; }

.hero h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(44px, 8.5vw, 104px);
    line-height: 1.06;
    letter-spacing: -0.01em;
    max-width: 14ch;
    position: relative;
}
.hero h1 em { font-style: italic; color: var(--mist-400); }

.hero__sub {
    margin-top: var(--space-4);
    max-width: 46ch;
    font-size: 20px;
    color: var(--bone-400);
    position: relative;
}

.hero__scroll { margin-top: var(--space-6); position: relative; }

/* section heading + ghost number */

.section-head {
    display: flex; align-items: baseline; gap: var(--space-2);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--ink-700);
    position: relative;
}
.section-head h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(29px, 4vw, 49px);
    line-height: 1.2;
}
.section-head__ghost {
    position: absolute;
    right: 0; top: 50%;
    transform: translateY(-58%);
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(96px, 16vw, 200px);
    line-height: 1;
    color: var(--ink-800);
    pointer-events: none;
    user-select: none;
    z-index: -1;
}

/* work index */

.work-row {
    display: grid;
    grid-template-columns: 90px 1fr 200px 70px;
    gap: var(--space-3);
    align-items: baseline;
    padding-block: var(--space-3);
    border-top: 1px solid var(--ink-700);
    position: relative;
    transition: background 250ms var(--ease-out), padding-left 400ms var(--ease-out);
}
.work-row:last-of-type { border-bottom: 1px solid var(--ink-700); }

.work-row__num {
    font-family: var(--font-mono); font-size: 13px;
    letter-spacing: 0.08em; color: var(--bone-600);
    transition: color 250ms var(--ease-out);
}
.work-row__title {
    font-size: clamp(24px, 3vw, 31px);
    font-weight: 500; line-height: 1.2;
    transition: transform 400ms var(--ease-out);
}
.work-row__cat, .work-row__year {
    font-family: var(--font-mono); font-size: 13px;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--bone-600);
}

.work-row:hover { background: var(--ink-800); }
.work-row:hover .work-row__num { color: var(--mist-400); }
.work-row:hover .work-row__title { transform: translateX(8px); }

.work-row__preview {
    position: absolute; right: 300px; top: 50%;
    width: 240px; aspect-ratio: 4 / 3;
    transform: translateY(-50%) rotate(-1.5deg) scale(0.94);
    opacity: 0;
    transition: opacity 300ms var(--ease-out), transform 350ms var(--ease-out);
    pointer-events: none;
    background: linear-gradient(160deg, var(--ink-800), var(--ink-950));
    border: 1px solid var(--ink-600);
    display: flex; align-items: center; justify-content: center;
    padding: var(--space-3);
    text-align: center;
    z-index: 10;
}
.work-row:hover .work-row__preview {
    opacity: 1;
    transform: translateY(-50%) rotate(0deg) scale(1);
}
.work-row__preview em {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 20px; line-height: 1.35;
    color: var(--bone-400);
}

/* approach */

.approach { display: grid; grid-template-columns: 5fr 7fr; gap: var(--space-5); }

.approach__statement {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.35;
}
.approach__statement em { font-style: italic; color: var(--mist-400); }

.approach__body p { color: var(--bone-400); margin-bottom: var(--space-3); max-width: 68ch; }
.approach__stack { margin-top: var(--space-2); }

/* experience */

.exp-row {
    display: grid;
    grid-template-columns: 160px 1fr 160px;
    gap: var(--space-3);
    align-items: baseline;
    padding-block: var(--space-3);
    border-top: 1px solid var(--ink-700);
}
.exp-row:last-of-type { border-bottom: 1px solid var(--ink-700); }
.exp-row__role { font-size: 20px; font-weight: 500; }
.exp-row__place { text-align: right; }

/* contact */

.contact__email {
    font-family: var(--font-display);
    font-size: clamp(29px, 5vw, 61px);
    line-height: 1.2;
    display: inline-block;
    margin-block: var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--ink-600);
    padding-bottom: 6px;
    transition: color 250ms var(--ease-out), border-color 250ms var(--ease-out);
}
.contact__email:hover { color: var(--mist-400); border-color: var(--mist-400); }

.contact__socials { display: flex; gap: var(--space-4); }

/* footer */

.footer {
    border-top: 1px solid var(--ink-700);
    background: var(--ink-950);
    overflow: hidden;
    position: relative;
}
.footer__wordmark {
    font-family: var(--font-display);
    font-size: clamp(64px, 13vw, 180px);
    line-height: 1;
    white-space: nowrap;
    color: var(--ink-800);
    padding-block: var(--space-4) 0;
    user-select: none;
}
.footer__wordmark em { font-style: italic; }
.footer__meta {
    display: flex; justify-content: space-between;
    padding-block: var(--space-3);
}

/* case study */

.case { padding-top: calc(80px + var(--space-6)); padding-bottom: var(--space-7); }

.case__head h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(44px, 7vw, 88px);
    line-height: 1.08;
    margin-block: var(--space-2);
}
.case__tagline {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.5vw, 26px);
    color: var(--bone-400);
}
.case__tagline em { font-style: italic; }

.case__meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-5);
    padding-top: var(--space-3);
    border-top: 1px solid var(--ink-700);
}
.case__meta p { margin-top: 6px; font-size: 15px; }

.case__hero {
    margin-block: var(--space-6);
    aspect-ratio: 16 / 9;
    background: linear-gradient(160deg, var(--ink-800), var(--ink-950));
    border: 1px solid var(--ink-700);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.case__hero img { width: 100%; height: 100%; object-fit: cover; }
.case__hero-placeholder em {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(24px, 4vw, 44px);
    color: var(--bone-600);
}

.case__intro {
    font-size: clamp(20px, 2.5vw, 26px);
    line-height: 1.5;
    max-width: 32ch;
    margin-bottom: var(--space-6);
}

.case__section {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-4);
    padding-block: var(--space-4);
    border-top: 1px solid var(--ink-700);
}
.case__section p { color: var(--bone-400); max-width: 68ch; }
.case__label { position: sticky; top: 100px; align-self: start; }

.case__next {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--ink-700);
}
.case__next-title {
    font-family: var(--font-display);
    font-size: clamp(29px, 4vw, 49px);
    transition: color 250ms var(--ease-out);
}
.case__next:hover .case__next-title { color: var(--mist-400); }

/* reveal */

.js .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* responsive */

@media (max-width: 900px) {
    .work-row__preview { display: none; }
}

@media (max-width: 768px) {
    .section { padding-block: var(--space-6); }

    .nav__links { display: none; }
    .nav__toggle { display: block; position: relative; z-index: 110; }

    .hero__grid { display: none; }

    .work-row { grid-template-columns: 56px 1fr; }
    .work-row__cat, .work-row__year { display: none; }

    .approach { grid-template-columns: 1fr; gap: var(--space-4); }

    .exp-row { grid-template-columns: 1fr; gap: 4px; }
    .exp-row__place { text-align: left; }

    .case__meta { grid-template-columns: repeat(2, 1fr); }
    .case__section { grid-template-columns: 1fr; gap: var(--space-2); }
    .case__label { position: static; }
}

/* reduced motion */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; }
}

section[id] { scroll-margin-top: 88px; }

h1, h2, .approach__statement, .case__tagline { text-wrap: balance; }

.section-head__count { margin-left: 2px; }

.work-row__preview img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}

.case__outcomes {
    list-style: none;
    max-width: 68ch;
}
.case__outcomes li {
    color: var(--bone-400);
    padding-block: var(--space-2);
    display: flex; gap: var(--space-2); align-items: baseline;
}
.case__outcomes li + li { border-top: 1px solid var(--ink-700); }
.case__outcomes li::before {
    content: '—';
    color: var(--mist-400);
    flex-shrink: 0;
}

@media (hover: none) {
    .work-row__preview { display: none; }
}

.work-row { grid-template-columns: 90px 1fr 200px 130px; }
.work-row__year { text-align: right; }

.is-parallax img { scale: 1.1; }

.skip-link {
    position: absolute; top: -100%; left: 24px; z-index: 200;
    background: var(--bone-100); color: var(--ink-900);
    font-family: var(--font-mono); font-size: 13px;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 12px 20px;
    transition: top 200ms var(--ease-out);
}
.skip-link:focus-visible { top: 0; outline: none; }

.error-page {
    min-height: 100svh;
    display: flex; flex-direction: column; justify-content: center;
}
.error-page h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(44px, 8vw, 96px);
    line-height: 1.1;
}
.error-page h1 em { font-style: italic; color: var(--mist-400); }
.error-page p { color: var(--bone-400); margin-top: var(--space-3); max-width: 46ch; }
.error-page .error-page__back { display: inline-block; margin-top: var(--space-4); }

.case__hero--img { aspect-ratio: auto; }
.case__hero--img img {
    width: 100%;
    height: auto;
    object-fit: unset;
}