/* ============================================================
   Oliver Nielsen Portfolio — Main Stylesheet
   Cohere Design System + Theme Components
   ============================================================ */

/* ---- FONTS ---- */
:root {
  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Roboto Mono', ui-monospace, monospace;

  /* Colors */
  --color-primary:      #17171c;
  --color-ink:          #212121;
  --color-canvas:       #ffffff;
  --color-soft-stone:   #eeece7;
  --color-pale-green:   #edfce9;
  --color-pale-blue:    #f1f5ff;
  --color-deep-green:   #003c33;
  --color-dark-navy:    #071829;
  --color-hairline:     #d9d9dd;
  --color-card-border:  #f2f2f2;
  --color-muted:        #93939f;
  --color-body-muted:   #616161;
  --color-coral:        #ff7759;
  --color-action-blue:  #1863dc;
  --color-focus-blue:   #4c6ee6;
  --color-form-focus:   #9b60aa;

  /* Radii */
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   22px;
  --radius-pill: 9999px;
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--color-action-blue); text-underline-offset: 3px; }
a:hover { opacity: 0.78; }
p { margin: 0; }
h1,h2,h3,h4,h5,h6 { margin: 0; font-weight: 400; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; }
::selection { background: var(--color-coral); color: #fff; }
:focus-visible { outline: 2px solid var(--color-focus-blue); outline-offset: 2px; border-radius: 2px; }

/* Cursor — hide default on desktop when JS cursor is active */
@media (hover: hover) and (pointer: fine) {
  body.has-cursor * { cursor: none !important; }
}

/* ---- CUSTOM CURSOR ---- */
.cursor-dot {
  position: fixed; top: 0; left: 0;
  width: 5px; height: 5px;
  background: var(--color-primary);
  border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  will-change: transform;
  opacity: 0;
}
.cursor-ring {
  position: fixed; top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1px solid rgba(23,23,28,.4);
  border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  will-change: transform;
  opacity: 0;
}
@media (max-width: 768px) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---- SCROLL PROGRESS BAR ---- */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 100%;
  background: var(--color-coral);
  z-index: 9997;
  transform-origin: left;
  transform: scaleX(0);
}

/* ---- TYPOGRAPHY SCALE ---- */
.t-hero {
  font-family: var(--font-display);
  font-weight: 400; font-size: 96px;
  line-height: 1; letter-spacing: -1.92px;
}
.t-section-display {
  font-family: var(--font-body);
  font-weight: 400; font-size: 60px;
  line-height: 1; letter-spacing: -1.2px;
}
.t-section-heading {
  font-family: var(--font-body);
  font-weight: 400; font-size: 48px;
  line-height: 1.2; letter-spacing: -0.48px;
}
.t-card-heading {
  font-family: var(--font-body);
  font-weight: 400; font-size: 32px;
  line-height: 1.2; letter-spacing: -0.32px;
}
.t-feature-heading {
  font-family: var(--font-body);
  font-weight: 400; font-size: 24px; line-height: 1.3;
}
.t-body-large {
  font-family: var(--font-body);
  font-weight: 400; font-size: 18px; line-height: 1.4;
}
.t-caption {
  font-family: var(--font-body);
  font-weight: 400; font-size: 14px; line-height: 1.4;
}
.t-mono-label {
  font-family: var(--font-mono);
  font-weight: 400; font-size: 11px;
  line-height: 1.4; letter-spacing: .8px;
  text-transform: uppercase;
}

/* ---- SURFACES ---- */
.surface-stone      { background: var(--color-soft-stone); color: var(--color-ink); }
.surface-primary    { background: var(--color-primary);    color: #fff; }
.surface-deep-green { background: var(--color-deep-green); color: #fff; }

/* ---- LAYOUT ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.container--narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- SITE HEADER / NAV ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-hairline);
  opacity: 0; /* animated in by JS */
}
.site-header__inner {
  max-width: 1280px; margin: 0 auto;
  padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.site-header__logo {
  display: flex; align-items: baseline; gap: 8px;
  text-decoration: none; color: inherit;
}
.logo-name {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 500; letter-spacing: -0.3px;
  color: var(--color-primary);
}
.logo-sub { color: var(--color-muted); }
.site-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px; font-size: 14px;
  color: var(--color-body-muted); font-weight: 400;
  border-radius: var(--radius-pill); text-decoration: none;
  transition: background 180ms, color 180ms;
}
.nav-link.is-active {
  color: var(--color-primary); font-weight: 500;
  background: var(--color-soft-stone);
}
.nav-link:hover:not(.is-active) { background: rgba(0,0,0,.04); opacity: 1; }
.nav-divider {
  display: inline-block; width: 1px; height: 18px;
  background: var(--color-hairline); margin: 0 10px;
}

/* ---- PILL BUTTONS ---- */
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 500;
  font-family: var(--font-body);
  border: 1px solid transparent;
  cursor: pointer; text-decoration: none;
  white-space: nowrap;
  transition: opacity 180ms;
  position: relative;
}
.pill--dark   { background: var(--color-primary); color: #fff; }
.pill--ghost  { background: transparent; color: currentColor; border-color: currentColor; }
.pill--white  { background: #fff; color: var(--color-primary); border-color: var(--color-hairline); }
.pill--coral  { background: var(--color-coral); color: var(--color-primary); }
.pill--sm     { padding: 8px 16px; font-size: 13px; gap: 8px; }
.pill:hover { opacity: .86; }
.pill--ghost:hover { background: rgba(0,0,0,.05); opacity: 1; }

/* ---- FOOTER ---- */
.site-footer {
  border-top: 1px solid var(--color-hairline);
  background: var(--color-canvas);
  margin-top: 80px;
}
.site-footer__inner {
  max-width: 1280px; margin: 0 auto;
  padding: 64px 32px 24px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--color-hairline);
}
.site-footer__col-title {
  color: var(--color-muted);
  margin-bottom: 16px;
}
.site-footer__col ul { display: grid; gap: 8px; }
.site-footer__col li { font-size: 14px; }
.site-footer__col a { color: var(--color-ink); text-decoration: none; }
.site-footer__col a:hover { opacity: .78; }
.site-footer__meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  color: var(--color-muted); font-size: 12px;
}
.site-footer__meta-right { display: flex; gap: 24px; }

/* ---- POSTER ---- */
.poster-wrap {
  position: relative; width: 100%; overflow: hidden;
  border-radius: var(--radius-md);
}
.poster-img {
  display: block; position: absolute; inset: 0;
  width: 100%; height: 100%;
  will-change: transform;
  transition: transform .55s cubic-bezier(.25,.46,.45,.94);
}
/* When poster-img is a real photo (<img> tag) */
.poster-img--photo {
  object-fit: cover;
  object-position: center;
}
.poster-label {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  justify-content: space-between; padding: 24px;
}
.poster-label__top {
  display: flex; justify-content: space-between; opacity: .85;
}
.poster-label__title {
  font-family: var(--font-display);
  font-size: 30px; line-height: 1; letter-spacing: -0.6px;
  max-width: 85%;
}

/* ---- PROJECT CARD ---- */
.project-card { display: grid; gap: 16px; }
.project-card-link { text-decoration: none; color: inherit; display: block; }
.project-card:hover .poster-img { transform: scale(1.05); }
.card-meta {
  display: flex; justify-content: space-between;
  align-items: baseline; padding-top: 4px;
  transition: transform .4s;
}
.card-meta__left h3 { font-size: 22px; margin-bottom: 4px; }

/* ---- MARQUEE ---- */
.marquee-container {
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  overflow: hidden; padding: 20px 0;
}
.marquee-track {
  display: flex; gap: 56px;
  white-space: nowrap; width: max-content;
  font-family: var(--font-display);
  font-size: 28px; letter-spacing: -0.6px;
  will-change: transform;
}
.marquee-item { display: inline-flex; align-items: center; gap: 56px; }

/* ---- STAT BAND ---- */
.stat-grid {
  display: grid;
  border-top: 1px solid var(--color-hairline);
}
.stat-grid--4 { grid-template-columns: repeat(4, 1fr); }
.stat-grid--3 { grid-template-columns: repeat(3, 1fr); }
.stat-cell {
  padding: 32px 24px;
  border-right: 1px solid var(--color-hairline);
}
.stat-cell:last-child { border-right: none; }
.stat-value {
  font-family: var(--font-display);
  font-size: 72px; line-height: 1; letter-spacing: -1.4px;
  display: block;
}
.stat-label { color: var(--color-body-muted); margin-top: 16px; }

/* Stat band inside surface-stone */
.surface-stone .stat-cell { border-right-color: rgba(0,0,0,.1); }
.surface-stone .stat-grid { border-top-color: rgba(0,0,0,.1); }

/* ---- SERVICES GRID ---- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--color-hairline);
}
.service-item {
  border-bottom: 1px solid var(--color-hairline);
  padding: 40px 36px 40px 0;
  display: grid; grid-template-columns: 60px 1fr; gap: 24px;
}
.service-item:nth-child(odd) { border-right: 1px solid var(--color-hairline); }
.service-n { color: var(--color-coral); }

/* ---- CLIENT GRID ---- */
.client-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--color-hairline);
}
.client-cell {
  padding: 22px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-hairline);
  border-right: 1px solid var(--color-hairline);
  font-family: var(--font-display); letter-spacing: -0.2px;
}
.client-cell:nth-child(5n) { border-right: none; }

/* ---- CTA CARDS ---- */
.cta-card {
  border-radius: var(--radius-lg);
  padding: 72px 56px;
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 40px; align-items: center;
}
.cta-wrap { padding: 0 32px; }
.cta-wrap > .cta-card { max-width: 1216px; margin: 0 auto; }

/* ---- WORKS PAGE ---- */
.works-hero { padding: 64px 0 48px; }
.filter-bar {
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  position: sticky; top: 57px; z-index: 40;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
}
.filter-bar__inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0;
}
.filter-btn {
  border: 1px solid var(--color-hairline);
  background: transparent; color: var(--color-ink);
  padding: 7px 18px; border-radius: var(--radius-pill);
  font-size: 13px; font-family: var(--font-body);
  cursor: pointer;
  transition: background 220ms, border-color 220ms, color 220ms;
}
.filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.filter-sort { display: flex; align-items: center; gap: 12px; }
.sort-btn {
  background: none; border: none; padding: 4px 0;
  cursor: pointer; font-size: 14px; font-family: var(--font-body);
  color: var(--color-body-muted);
  transition: color 180ms;
}
.sort-btn.is-active {
  color: var(--color-ink);
  text-decoration: underline; text-underline-offset: 4px;
}
.works-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  padding: 48px 0 80px;
}
.works-list { border-top: 1px solid var(--color-hairline); }
.works-list-row {
  display: grid;
  grid-template-columns: 60px 2fr 1.5fr 1fr 30px;
  gap: 16px; padding: 20px 12px;
  border-bottom: 1px solid var(--color-hairline);
  align-items: center;
  text-decoration: none; color: inherit;
  border-radius: 8px;
  transition: background 180ms;
}
.works-list-row:hover { background: var(--color-soft-stone); }
.works-list-row__title {
  font-family: var(--font-display);
  font-size: 22px; letter-spacing: -0.4px;
}

/* ---- SINGLE PROJECT ---- */
.work-hero { padding: 56px 0 48px; }
.work-hero__topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 32px;
}
.work-back {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--color-body-muted); font-size: 14px; text-decoration: none;
  opacity: 0;
}
.work-title { margin-bottom: 32px; }
.work-hero__body {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: end;
}
.work-summary { font-size: 22px; line-height: 1.4; }
.work-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 0; }
.work-meta__item {}
.work-meta__label { color: var(--color-body-muted); margin-bottom: 6px; }
.work-meta__value { font-size: 14px; }
.big-poster-wrap { padding: 0 32px 80px; }
.big-poster-inner { max-width: 1216px; margin: 0 auto; }
.big-poster-caption {
  position: relative; margin-top: -56px; padding: 0 36px;
}
.big-poster-caption__inner {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex; justify-content: space-between; align-items: center;
  max-width: 720px; margin: 0 auto;
}
.work-body { padding: 0 0 80px; }
.work-body__grid { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.work-body__text h3 { margin-top: 32px; margin-bottom: 12px; }
.work-body__text p { color: var(--color-body-muted); }
.work-plates {
  padding: 0 32px 80px;
}
.work-plates__inner {
  max-width: 1216px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.work-plate__meta {
  display: flex; justify-content: space-between;
  padding-top: 12px; font-size: 13px; color: var(--color-body-muted);
}
.work-deliverables { padding: 0 0 80px; }
.deliverables-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.deliverables-list { border-top: 1px solid var(--color-hairline); }
.deliverable-row {
  display: grid; grid-template-columns: 60px 1fr 80px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-hairline);
  align-items: center;
}
.deliverable-title {
  font-family: var(--font-display);
  font-size: 22px; letter-spacing: -0.3px;
}
.next-project-band {
  display: block; padding: 80px 0;
  text-decoration: none;
  transition: filter 200ms;
  border-top: 1px solid var(--color-hairline);
}
.next-project-band:hover { opacity: 1; filter: brightness(.93); }
.next-project-band:hover .next-arrow { transform: translateX(8px); }
.next-project-band__inner {
  display: flex; justify-content: space-between; align-items: flex-end;
}
.next-project-band__label { opacity: .65; margin-bottom: 16px; }
.next-project-band__title { font-size: 96px; letter-spacing: -2px; line-height: 1; }
.next-project-band__continue {
  display: inline-flex; align-items: center; gap: 12px;
  opacity: .85; font-size: 16px;
}
.next-arrow { display: inline-flex; transition: transform .4s cubic-bezier(.34,1.56,.64,1); }

/* ---- ABOUT PAGE ---- */
.about-portrait-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px;
  padding: 0 32px 80px; max-width: 1216px; margin: 0 auto;
}
.about-portrait-svg {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--color-soft-stone);
  aspect-ratio: 5/4;
}
.process-list { border-top: 1px solid var(--color-hairline); }
.process-row {
  display: grid; grid-template-columns: 100px 280px 1fr;
  gap: 32px; padding: 32px 0;
  border-bottom: 1px solid var(--color-hairline);
  align-items: start;
}
.process-n { color: var(--color-coral); }
.process-title { font-size: 32px; }
.awards-band {
  max-width: 1216px; margin: 0 auto;
  border-radius: var(--radius-lg); padding: 72px 56px;
}
.awards-band__grid { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; }
.awards-list { border-top: 1px solid rgba(255,255,255,.18); }
.award-row {
  display: grid; grid-template-columns: 70px 1fr;
  gap: 16px; padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.award-body { font-family: var(--font-display); font-size: 20px; letter-spacing: -0.3px; margin-bottom: 4px; }
.award-cat { font-size: 14px; color: rgba(255,255,255,.6); }
.collabs-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-hairline);
}
.collab-cell {
  padding: 32px 24px 32px 0;
  border-right: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
}
.collab-cell:last-child { border-right: none; }
.collab-name { font-size: 22px; margin-bottom: 6px; }

/* ---- CONTACT PAGE ---- */
.contact-body { padding: 0 0 80px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; }
.contact-address { font-family: var(--font-display); font-size: 24px; letter-spacing: -0.4px; }
.contact-row {
  display: grid; grid-template-columns: 100px 1fr;
  gap: 16px; padding: 14px 0;
  border-top: 1px solid var(--color-hairline);
}
.contact-row a { color: var(--color-ink); text-decoration: none; font-size: 14px; }
.elsewhere-link {
  display: flex; justify-content: space-between;
  padding: 10px 0; border-top: 1px solid var(--color-hairline);
  color: var(--color-ink); text-decoration: none;
  font-size: 14px;
}
.elsewhere-link:hover { opacity: .78; }
.contact-form { border-top: 1px solid var(--color-hairline); }
.form-field {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-hairline);
  display: grid; grid-template-columns: 180px 1fr;
  gap: 24px; align-items: start;
}
.form-label { padding-top: 14px; }
.form-label .t-mono-label { color: var(--color-body-muted); }
.form-required { color: var(--color-coral); margin-left: 4px; }
.form-input {
  width: 100%; padding: 14px 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  font-size: 15px; background: transparent;
  color: var(--color-ink); outline: none;
  transition: border-color 180ms;
}
.form-input:focus { border-color: var(--color-form-focus); }
.scope-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.scope-chip {
  padding: 8px 18px; border-radius: var(--radius-pill);
  font-size: 13px; border: 1px solid var(--color-hairline);
  background: transparent; color: var(--color-ink);
  cursor: pointer; font-family: var(--font-body);
  transition: all 180ms;
}
.scope-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary); color: #fff;
}
.form-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 32px;
}
.form-footer small { color: var(--color-body-muted); }
.form-submit {
  padding: 14px 28px; border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 500;
  background: var(--color-primary); color: #fff;
  border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body);
  transition: opacity 180ms;
}
.form-submit:hover { opacity: .86; }
.form-errors {
  background: #fff5f5; border: 1px solid #ffcccc;
  border-radius: var(--radius-sm); padding: 16px 20px;
  margin-bottom: 20px; font-size: 14px; color: #b30000;
}
.form-errors li { list-style: disc; margin-left: 18px; margin-top: 4px; }
.form-success { padding: 120px 0; }
.faq-section { padding: 0 0 80px; }
.faq-item { border-bottom: 1px solid var(--color-hairline); }
.faq-toggle {
  width: 100%; padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; cursor: pointer; text-align: left;
}
.faq-q { font-family: var(--font-display); font-size: 24px; letter-spacing: -0.4px; }
.faq-icon {
  font-family: var(--font-mono); font-size: 22px;
  color: var(--color-coral);
  display: inline-block; transition: transform .3s ease;
}
.faq-content { overflow: hidden; display: none; }
.faq-content p { padding-bottom: 24px; color: var(--color-body-muted); max-width: 720px; }

/* ---- SCROLL REVEAL SETUP ---- */
.scroll-reveal { opacity: 0; }
.scroll-stagger > * { opacity: 0; }

/* ---- SECTION SPACING ---- */
.section { padding: 80px 0; }
.section--top { padding-top: 0; }
.section--bottom { padding-bottom: 0; }
.section-wrap { padding: 0 32px; }
.section-wrap > .surface-stone,
.section-wrap > .surface-primary,
.section-wrap > .surface-deep-green { max-width: 1216px; margin: 0 auto; }

/* ---- SECTION HEADER ---- */
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 40px;
}

/* ---- HERO LINES (animated) ---- */
.hero-line { display: block; opacity: 0; }
.hero-kicker { opacity: 0; }
.hero-sub { opacity: 0; }
.hero-cta { opacity: 0; }

/* ---- ANIMATED LINK ---- */
.anim-link { position: relative; }
.anim-link::after {
  content: ''; position: absolute; bottom: -1px; left: 0;
  width: 0; height: 1px; background: currentColor;
  transition: width .3s cubic-bezier(.25,.46,.45,.94);
}
.anim-link:hover::after { width: 100%; }

/* ---- 404 ---- */
.not-found { padding: 120px 0; }

/* ============================================================
   MOBILE NAVIGATION
   ============================================================ */

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 60;
  position: relative;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(.77,0,.175,1), opacity 0.2s;
  transform-origin: center;
}
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { transform: translateY(-7.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-canvas);
  z-index: 55;
  flex-direction: column;
  justify-content: center;
  padding: 100px 32px 48px;
  opacity: 0;
}
.mobile-nav__links {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-hairline);
}
.mobile-nav__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-hairline);
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.8px;
  color: var(--color-primary);
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
}
.mobile-nav__link.is-active { color: var(--color-coral); }
.mobile-nav__link svg { flex-shrink: 0; opacity: 0.4; }
.mobile-nav__bottom {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  opacity: 0;
}
.mobile-nav__contact {
  font-size: 13px;
  color: var(--color-body-muted);
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }

  /* Nav */
  .site-nav { gap: 2px; }
  .nav-link { padding: 8px 10px; font-size: 13px; }

  /* Grids */
  .services-grid { grid-template-columns: 1fr; }
  .service-item { border-right: none !important; padding-right: 0; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-portrait-grid { grid-template-columns: 1fr; max-width: 100% !important; }
  .awards-band__grid { grid-template-columns: 1fr; gap: 32px; }
  .collabs-grid { grid-template-columns: 1fr 1fr; }
  .cta-card { grid-template-columns: 1fr; gap: 28px; padding: 48px 36px; }
  .work-hero__body { grid-template-columns: 1fr; gap: 32px; }
  .work-body__grid { grid-template-columns: 1fr; gap: 32px; }
  .deliverables-grid { grid-template-columns: 1fr; gap: 24px; }
  .process-row { grid-template-columns: 70px 1fr; gap: 20px; }
  .process-row p { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr 1.4fr; gap: 40px; }

  /* Work detail */
  .big-poster-wrap { padding: 0 24px 60px; }
  .work-plates__inner { gap: 20px; }

  /* Hero sizes */
  .t-hero { font-size: 72px !important; letter-spacing: -1.4px !important; }
  .t-section-display { font-size: 48px !important; letter-spacing: -0.9px !important; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {

  /* --- Show hamburger, hide desktop nav --- */
  .nav-hamburger { display: flex; }
  .site-nav { display: none; }

  /* --- Container & spacing --- */
  .container { padding: 0 20px; }
  .container--narrow { padding: 0 20px; }

  /* --- Type scale --- */
  .t-hero            { font-size: 44px  !important; letter-spacing: -1px   !important; line-height: 1.02 !important; }
  .t-section-display { font-size: 32px  !important; letter-spacing: -0.6px !important; }
  .t-section-heading { font-size: 26px  !important; }
  .t-card-heading    { font-size: 22px  !important; }
  .t-feature-heading { font-size: 20px  !important; }
  .t-body-large      { font-size: 16px  !important; }
  .marquee-track     { font-size: 20px  !important; }

  /* --- Header --- */
  .site-header__inner { padding: 14px 20px; }
  .logo-sub { display: none; }

  /* --- Hero sections --- */
  section[style*="padding:72px"] { padding: 40px 0 48px !important; }
  .works-hero { padding: 40px 0 32px; }
  .work-hero  { padding: 36px 0 32px; }
  .hero-kicker { margin-bottom: 18px !important; }

  /* Hero two-col → single col */
  .hero-grid-2col {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* --- Marquee --- */
  .marquee-container { padding: 14px 0; }
  .marquee-track { gap: 36px; }
  .marquee-item { gap: 36px; }

  /* --- Stat grids --- */
  .stat-grid--4 { grid-template-columns: 1fr 1fr; }
  .stat-grid--3 { grid-template-columns: 1fr 1fr; }
  .stat-cell { padding: 24px 16px; }
  .stat-cell:nth-child(2n) { border-right: none !important; }
  .stat-value { font-size: 48px !important; }

  /* --- Selected works / works grid --- */
  .works-grid { grid-template-columns: 1fr; gap: 24px; padding: 32px 0 48px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 24px !important; }

  /* --- Studio dark band --- */
  .section-wrap > .surface-primary { padding: 48px 28px !important; grid-template-columns: 1fr !important; gap: 24px !important; }
  .section-wrap > .surface-primary h2 { font-size: 36px !important; }

  /* --- Services --- */
  .services-grid { grid-template-columns: 1fr; }
  .service-item { padding: 28px 0 !important; grid-template-columns: 48px 1fr; gap: 16px; }

  /* --- Client grid --- */
  .client-grid { grid-template-columns: 1fr 1fr; }
  .client-cell:nth-child(2n) { border-right: none; }
  .client-cell:nth-child(5n) { border-right: 1px solid var(--color-hairline); }

  /* Override for 2-col client on mobile */
  .client-grid .client-cell { padding: 16px 12px; }

  /* --- Client layout override --- */
  div[style*="grid-template-columns:260px"] {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* --- CTA card --- */
  .cta-card { padding: 40px 24px !important; gap: 20px !important; }
  .cta-wrap { padding: 0 20px !important; }
  .cta-card h2 { font-size: 32px !important; }

  /* --- Footer --- */
  .site-footer { margin-top: 48px; }
  .site-footer__inner { padding: 40px 20px 20px; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .site-footer__meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .site-footer__meta-right { flex-direction: column; gap: 4px; }

  /* --- Works page --- */
  .filter-bar { top: 53px; }
  .filter-bar__inner { flex-direction: column; align-items: flex-start; gap: 12px; padding: 14px 0; }
  .filter-sort { width: 100%; justify-content: flex-end; }
  .works-list-row { grid-template-columns: 36px 1fr 24px; gap: 10px; padding: 16px 8px; }
  .works-list-row .t-mono-label { display: none; }
  .works-list-row .t-caption { display: none; }
  .works-list-row__title { font-size: 17px !important; }

  /* --- Work detail --- */
  .work-hero__topbar { margin-bottom: 20px; }
  .work-title { margin-bottom: 20px !important; }
  .work-summary { font-size: 16px !important; }
  .work-meta { grid-template-columns: 1fr 1fr; gap: 16px; }
  .big-poster-wrap { padding: 0 20px 48px; }
  .big-poster-caption { padding: 0 0; }
  .big-poster-caption__inner { padding: 14px 16px; flex-direction: column; gap: 4px; align-items: flex-start; }
  .work-body { padding: 0 0 48px; }
  .work-body__grid { grid-template-columns: 1fr; gap: 20px; }
  .work-body__grid > .scroll-reveal:first-child { display: none; } /* hide "The brief" label on mobile */
  .work-plates { padding: 0 20px 48px; }
  .work-plates__inner { grid-template-columns: 1fr; gap: 20px; }
  .work-deliverables { padding: 0 0 48px; }
  .deliverables-grid { grid-template-columns: 1fr; }
  .deliverables-grid > .scroll-reveal:first-child { display: none; }
  .deliverable-row { grid-template-columns: 40px 1fr; gap: 10px; }
  .deliverable-row > :last-child { display: none; }
  .next-project-band { padding: 48px 0; }
  .next-project-band__title { font-size: 36px !important; letter-spacing: -0.8px !important; }
  .next-project-band__inner { flex-direction: column; align-items: flex-start; gap: 20px; }

  /* --- About page --- */
  .about-portrait-grid { grid-template-columns: 1fr; padding: 0 20px 48px; gap: 28px; }
  .about-portrait-svg { aspect-ratio: 4/3; }
  .process-list .process-row { grid-template-columns: 48px 1fr; gap: 16px; padding: 24px 0; }
  .process-row p { grid-column: span 2; margin-top: 4px; }
  .process-title { font-size: 22px !important; }
  .awards-band { padding: 40px 24px !important; }
  .awards-band__grid { grid-template-columns: 1fr; gap: 24px; }
  .awards-band h2 { font-size: 28px !important; }
  .collabs-grid { grid-template-columns: 1fr 1fr; }
  .collab-cell { padding: 20px 16px 20px 0; }
  .collab-name { font-size: 18px !important; }

  /* --- Contact page --- */
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-address { font-size: 18px !important; }
  .form-field { grid-template-columns: 1fr; gap: 8px; }
  .form-label { padding-top: 0 !important; }
  .form-footer { flex-direction: column; align-items: flex-start; gap: 16px; }
  .form-footer small { max-width: 100%; }
  .faq-q { font-size: 18px !important; }
  .form-success { padding: 60px 0; }

  /* --- Sections general spacing --- */
  section { padding-top: 48px !important; padding-bottom: 48px !important; }

  /* --- Cursor disabled on touch --- */
  .cursor-dot, .cursor-ring { display: none !important; }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 400px)
   ============================================================ */
@media (max-width: 400px) {
  .t-hero { font-size: 36px !important; }
  .mobile-nav__link { font-size: 32px !important; }
  .stat-grid--4 { grid-template-columns: 1fr 1fr; }
  .collabs-grid { grid-template-columns: 1fr; }
  .collab-cell { border-right: none !important; }
}