/* ==================== DESIGN TOKENS ==================== */
:root {
    /* Color */
    --ink: #15140F;
    --ink-70: rgba(21, 20, 15, 0.7);
    --ink-60: rgba(21, 20, 15, 0.6);
    --ink-12: rgba(21, 20, 15, 0.12);
    --ink-08: rgba(21, 20, 15, 0.08);
    --paper: #F5F1E7;
    --paper-dim: #EBE4D3;
    --paper-70: rgba(245, 241, 231, 0.7);
    --cobalt: #2B3FE0;
    --cobalt-deep: #1B2790;
    --cobalt-12: rgba(43, 63, 224, 0.12);

    /* Type */
    --face: 'Bricolage Grotesque', system-ui, sans-serif;
    --display-size: clamp(2.75rem, 3rem + 4.5vw, 6rem);
    --h1-size: clamp(2rem, 1.6rem + 2.2vw, 3.25rem);
    --h2-size: clamp(1.5rem, 1.3rem + 1.2vw, 2.25rem);
    --body-size: clamp(1rem, 0.94rem + 0.3vw, 1.125rem);
    --small-size: 0.875rem;
    --tracking-tight: -0.03em;

    /* Space (4px base) */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-24: 6rem;
    --sp-32: 8rem;
    --section-pad: clamp(4rem, 3rem + 5vw, 8rem);
    --edge-pad: clamp(1.25rem, 1rem + 2vw, 3rem);

    /* Motion */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --dur-normal: 0.5s;
    --dur-fast: 0.25s;

    /* Layout */
    --max-width: 1400px;
    --radius: 2px;
}

/* ==================== RESET / BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--face);
    font-size: var(--body-size);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}

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

a {
    color: inherit;
}

::selection {
    background: var(--cobalt);
    color: var(--paper);
}

:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 3px;
}

/* ==================== TYPE ==================== */
h1, h2, h3, .display {
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    line-height: 1.02;
    text-wrap: balance;
}

.display {
    font-size: var(--display-size);
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

p {
    max-width: 68ch;
}

.eyebrow-off {
    /* intentionally unused: no kicker/eyebrow labels in this system */
}

.numeral {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

/* ==================== ACCESSIBILITY UTILITIES ==================== */
.skip-link {
    position: fixed;
    top: -60px;
    left: var(--sp-4);
    z-index: 1000;
    background: var(--ink);
    color: var(--paper);
    padding: var(--sp-3) var(--sp-6);
    text-decoration: none;
    font-weight: 700;
    transition: top var(--dur-fast) var(--ease-out-expo);
}

.skip-link:focus {
    top: var(--sp-4);
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ==================== LOADER ==================== */
.loader-wrapper {
    position: fixed;
    inset: 0;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--dur-normal) var(--ease-out-expo);
}

.loader-wrapper.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-mark {
    font-family: var(--face);
    font-weight: 800;
    font-size: clamp(1.25rem, 4vw, 2rem);
    color: var(--paper);
    letter-spacing: var(--tracking-tight);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    animation: loader-pop 0.6s var(--ease-bounce) both;
}

.loader-mark::after {
    content: '';
    width: 0.5em;
    height: 0.5em;
    border-radius: 50%;
    background: var(--cobalt);
}

@keyframes loader-pop {
    0% { transform: scale(0.6) rotate(-4deg); opacity: 0; }
    100% { transform: scale(1) rotate(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .loader-mark { animation: none; }
}

/* ==================== HEADER / NAV ==================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-6) var(--edge-pad);
    background: var(--paper-70);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ink-08);
}

.site-header a {
    text-decoration: none;
}

.brand {
    font-weight: 800;
    font-size: 1.125rem;
    letter-spacing: var(--tracking-tight);
}

.primary-nav {
    display: flex;
    gap: var(--sp-8);
    align-items: center;
    list-style: none;
}

.primary-nav a {
    font-weight: 600;
    font-size: 0.9375rem;
    position: relative;
    padding-bottom: 2px;
}

.primary-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 0;
    height: 2px;
    background: var(--cobalt);
    transition: right var(--dur-fast) var(--ease-out-expo);
}

.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after {
    right: 0;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ink);
    font-weight: 700;
    font-size: 0.9375rem;
    cursor: pointer;
}

/* ==================== BUTTONS / LINKS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: var(--ink);
    color: var(--paper);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9375rem;
    padding: var(--sp-4) var(--sp-6);
    min-height: 44px;
    border-radius: var(--radius);
    transition: background var(--dur-fast) var(--ease-out-expo), transform var(--dur-fast) var(--ease-out-expo);
}

.btn:hover {
    background: var(--cobalt-deep);
    transform: rotate(-1deg) scale(1.03);
}

.btn:active {
    transform: scale(0.98);
}

@media (prefers-reduced-motion: reduce) {
    .btn:hover { transform: none; }
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1.5px solid var(--ink);
}

.btn-ghost:hover {
    background: var(--ink);
    color: var(--paper);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--ink-60);
    text-underline-offset: 4px;
    text-decoration-thickness: 1.5px;
}

.text-link:hover {
    text-decoration-color: var(--cobalt);
    color: var(--cobalt);
}

/* ==================== HOME: HERO ==================== */
.hero {
    padding: var(--sp-16) var(--edge-pad) var(--sp-24);
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-role {
    font-weight: 700;
    color: var(--cobalt);
    font-size: 1.125rem;
    margin-bottom: var(--sp-4);
}

.hero-statement {
    font-size: var(--display-size);
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    line-height: 1.02;
    max-width: 16ch;
    text-wrap: balance;
}

.hero-statement em {
    font-style: normal;
    color: var(--cobalt);
}

.hero-sub {
    margin-top: var(--sp-8);
    font-size: 1.125rem;
    color: var(--ink-70);
    max-width: 52ch;
}

.hero-meta {
    margin-top: var(--sp-12);
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-8);
    align-items: center;
}

.hero-photo {
    margin-top: var(--sp-16);
    display: flex;
    align-items: flex-end;
    gap: var(--sp-8);
    flex-wrap: wrap;
}

.hero-photo img {
    width: clamp(160px, 22vw, 260px);
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: var(--radius);
}

.hero-photo-caption {
    max-width: 40ch;
    color: var(--ink-70);
    font-size: 0.9375rem;
    padding-bottom: var(--sp-2);
}

/* ==================== HERO NETWORK (signature cursor interaction) ==================== */
.hero-network {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

@media (max-width: 700px), (pointer: coarse) {
    .hero-network {
        display: none;
    }
}

/* ==================== SOCIAL ROW ==================== */
.social-row {
    display: flex;
    gap: var(--sp-6);
    list-style: none;
    flex-wrap: wrap;
}

.social-row a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9375rem;
    border-bottom: 1.5px solid transparent;
}

.social-row a:hover {
    border-bottom-color: var(--cobalt);
    color: var(--cobalt);
}

/* ==================== WORK INDEX (numbered list) ==================== */
.work-list {
    list-style: none;
    border-top: 1.5px solid var(--ink);
}

.work-entry {
    border-bottom: 1.5px solid var(--ink-12);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--dur-normal) var(--ease-out-expo), transform var(--dur-normal) var(--ease-out-expo);
}

.work-entry.in-view {
    opacity: 1;
    transform: translateY(0);
}

.work-entry a {
    display: grid;
    grid-template-columns: 3.5rem 1fr auto;
    align-items: center;
    gap: var(--sp-8);
    padding: var(--sp-8) 0;
    text-decoration: none;
    color: var(--ink);
}

.work-entry-index {
    font-size: 1rem;
    color: var(--ink-60);
    font-variant-numeric: tabular-nums;
}

.work-entry-title {
    font-size: clamp(1.5rem, 1.1rem + 2vw, 2.75rem);
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    transition: color var(--dur-fast) var(--ease-out-expo), transform var(--dur-fast) var(--ease-out-expo);
}

.work-entry-tags {
    display: flex;
    gap: var(--sp-3);
    margin-top: var(--sp-2);
    flex-wrap: wrap;
}

.work-entry-tags span {
    font-size: var(--small-size);
    color: var(--ink-60);
}

.work-entry-tags span:not(:last-child)::after {
    content: '\00b7';
    margin-left: var(--sp-3);
    color: var(--ink-12);
}

.work-entry-arrow {
    font-size: 1.5rem;
    color: var(--ink-60);
    transition: transform var(--dur-fast) var(--ease-out-expo), color var(--dur-fast) var(--ease-out-expo);
}

.work-entry a:hover .work-entry-title,
.work-entry a:focus-visible .work-entry-title {
    color: var(--cobalt);
    transform: translateX(var(--sp-2));
}

.work-entry a:hover .work-entry-arrow,
.work-entry a:focus-visible .work-entry-arrow {
    transform: translateX(var(--sp-2));
    color: var(--cobalt);
}

.work-entry-thumb {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-rows: 0fr;
    overflow: hidden;
    border-radius: var(--radius);
    transition: grid-template-rows var(--dur-normal) var(--ease-out-expo);
}

.work-entry a:hover .work-entry-thumb,
.work-entry a:focus-visible .work-entry-thumb {
    grid-template-rows: 1fr;
}

.work-entry-thumb img {
    width: 100%;
    min-height: 0;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
    .work-entry { opacity: 1; transform: none; }
    .work-entry-thumb { transition: none; }
}

/* ==================== SECTIONS ==================== */
.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--section-pad) var(--edge-pad);
}

.section-tight {
    padding-top: var(--sp-16);
    padding-bottom: var(--sp-16);
}

.section-dim {
    background: var(--paper-dim);
}

.section-ink {
    background: var(--ink);
    color: var(--paper);
}

.section-ink .text-link {
    text-decoration-color: var(--paper-70);
}

.section-ink a:not(.btn) {
    color: var(--paper);
}

/* ==================== DECORATIVE ACCENTS ==================== */
.blob {
    position: absolute;
    border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%;
    background: var(--cobalt);
    z-index: -1;
    opacity: 0.9;
}

.blob-spin {
    animation: blob-spin 18s linear infinite;
}

@keyframes blob-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .blob-spin { animation: none; }
}

/* ==================== PROJECT REVEAL (single-page work list) ==================== */
.project-reveal-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-32);
    margin-top: var(--sp-16);
}

.project-reveal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: center;
    opacity: 0;
    transform: translateY(32px);
    transition: opacity var(--dur-normal) var(--ease-out-expo), transform var(--dur-normal) var(--ease-out-expo);
}

.project-reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.project-reveal:nth-child(even) .project-reveal-media {
    order: 2;
}

.project-reveal-media {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--dur-normal) var(--ease-bounce);
}

.project-reveal:hover .project-reveal-media {
    transform: rotate(-1deg) scale(1.02);
}

.project-reveal-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.project-reveal-index {
    font-size: 1.125rem;
    color: var(--cobalt);
    font-weight: 700;
}

.project-reveal-title {
    font-size: clamp(1.75rem, 1.3rem + 2vw, 3rem);
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    margin-top: var(--sp-2);
}

.project-reveal-summary {
    margin-top: var(--sp-4);
    color: var(--ink-70);
    font-size: 1.0625rem;
    max-width: 48ch;
}

.project-reveal-tags {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
    margin-top: var(--sp-4);
}

.project-reveal-tags span {
    font-size: var(--small-size);
    color: var(--ink-60);
}

.project-reveal-tags span:not(:last-child)::after {
    content: '\00b7';
    margin-left: var(--sp-3);
    color: var(--ink-12);
}

.project-reveal-link {
    margin-top: var(--sp-6);
    display: inline-block;
}

@media (max-width: 800px) {
    .project-reveal {
        grid-template-columns: 1fr;
    }

    .project-reveal:nth-child(even) .project-reveal-media {
        order: 0;
    }

    .project-reveal-list {
        gap: var(--sp-24);
    }
}

@media (prefers-reduced-motion: reduce) {
    .project-reveal { opacity: 1; transform: none; }
    .project-reveal-media { transition: none; }
    .project-reveal:hover .project-reveal-media { transform: none; }
}

/* ==================== PLACEHOLDER BLOCKS ==================== */
.placeholder {
    border: 1.5px dashed var(--ink-12);
    border-radius: var(--radius);
    padding: var(--sp-8);
    color: var(--ink-60);
    font-size: 0.9375rem;
}

.placeholder strong {
    display: block;
    color: var(--ink-70);
    font-weight: 700;
    margin-bottom: var(--sp-2);
}

/* ==================== CASE STUDY ==================== */
.cs-hero {
    padding: var(--sp-16) var(--edge-pad) var(--sp-12);
    max-width: var(--max-width);
    margin: 0 auto;
}

.cs-breadcrumb {
    font-size: var(--small-size);
    color: var(--ink-60);
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    margin-bottom: var(--sp-8);
}

.cs-breadcrumb:hover {
    color: var(--cobalt);
}

.cs-title {
    font-size: var(--display-size);
    font-weight: 800;
    letter-spacing: var(--tracking-tight);
    line-height: 1.02;
    max-width: 18ch;
}

.cs-summary {
    margin-top: var(--sp-6);
    font-size: 1.25rem;
    color: var(--ink-70);
    max-width: 56ch;
}

.cs-meta {
    margin-top: var(--sp-12);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--sp-8);
    border-top: 1px solid var(--ink-12);
    padding-top: var(--sp-8);
}

.cs-meta dt {
    font-size: var(--small-size);
    color: var(--ink-60);
    margin-bottom: var(--sp-1);
}

.cs-meta dd {
    font-weight: 700;
    font-size: 1.0625rem;
}

.cs-cover {
    max-width: var(--max-width);
    margin: 0 auto var(--sp-24);
    padding: 0 var(--edge-pad);
}

.cs-cover img {
    width: 100%;
    border-radius: var(--radius);
}

.cs-gallery {
    max-width: var(--max-width);
    margin: 0 auto var(--sp-24);
    padding: 0 var(--edge-pad);
    display: flex;
    flex-direction: column;
    gap: var(--sp-8);
}

.cs-gallery img {
    width: 100%;
    border-radius: var(--radius);
    display: block;
}

.video-section {
    max-width: var(--max-width);
    margin: 0 auto var(--sp-24);
    padding: 0 var(--edge-pad);
}

.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--ink-12);
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.cs-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--sp-16) var(--edge-pad);
    border-top: 1.5px solid var(--ink);
}

/* ==================== ABOUT ==================== */
.about-lede {
    font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    max-width: 22ch;
    line-height: 1.35;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    gap: var(--sp-16);
    align-items: start;
}

.about-grid img {
    border-radius: var(--radius);
    aspect-ratio: 4 / 5;
    object-fit: cover;
}

@media (max-width: 800px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== RESUME / CONTACT ==================== */
.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--sp-16);
}

.contact-list {
    list-style: none;
    border-top: 1px solid var(--ink-12);
}

.contact-list li {
    border-bottom: 1px solid var(--ink-12);
}

.contact-list a,
.contact-list .placeholder-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-6) 0;
    text-decoration: none;
    font-weight: 700;
}

.contact-list a:hover {
    color: var(--cobalt);
}

@media (max-width: 800px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== FOOTER ==================== */
.site-footer {
    border-top: 1.5px solid var(--ink);
    padding: var(--sp-12) var(--edge-pad);
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-6);
    flex-wrap: wrap;
    font-size: var(--small-size);
    color: var(--ink-60);
}

/* ==================== BACK TO TOP ==================== */
#back-to-top-button {
    display: none;
    position: fixed;
    bottom: var(--sp-8);
    right: var(--sp-8);
    z-index: 90;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ink);
    color: var(--paper);
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: background var(--dur-fast) var(--ease-out-expo);
}

#back-to-top-button.visible {
    display: flex;
}

#back-to-top-button:hover {
    background: var(--cobalt-deep);
}

/* ==================== RESPONSIVE: NAV COLLAPSE ==================== */
@media (max-width: 700px) {
    .primary-nav {
        position: fixed;
        inset: 0;
        top: 0;
        background: var(--paper);
        flex-direction: column;
        justify-content: center;
        gap: var(--sp-12);
        transform: translateY(-100%);
        visibility: hidden;
        transition: transform var(--dur-normal) var(--ease-out-expo), visibility 0s var(--dur-normal);
    }

    .primary-nav[data-open="true"] {
        transform: translateY(0);
        visibility: visible;
        transition: transform var(--dur-normal) var(--ease-out-expo);
    }

    .primary-nav a {
        font-size: 1.5rem;
    }

    .nav-toggle {
        display: block;
    }

    .hero-photo {
        flex-direction: column;
        align-items: flex-start;
    }

    .work-entry a {
        grid-template-columns: 2.5rem 1fr;
    }

    .work-entry-arrow {
        display: none;
    }

    .work-entry-thumb {
        grid-column: 1 / -1;
        /* No hover on touch devices — show the preview outright instead
           of gating it behind an interaction that doesn't exist here. */
        grid-template-rows: 1fr;
        margin-top: var(--sp-4);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}