/* =============================================================
   STYLES - Kamil Zagrodnik Portfolio
   All values via tokens.css - no hardcoded colors or sizes
   ============================================================= */

/* -----------------------------------------------------------
   SKIP LINK
----------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  top: 16px;
  left: 16px;
  width: auto;
  height: auto;
  padding: 8px 16px;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

/* -----------------------------------------------------------
   RESET & BASE
----------------------------------------------------------- */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  background-color: var(--color-bg);
  color: var(--color-copy);
  font-family: var(--font-sans);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
}

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

/* -----------------------------------------------------------
   LAYOUT WRAPPER
   Centred content column, max 1290px
----------------------------------------------------------- */

.nav__inner,
.hero__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
}

/* -----------------------------------------------------------
   NAV
----------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-lines);
  box-shadow: 0 1px 32px rgba(0, 0, 0, 0);
  transition:
    border-color var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease-out);
}

.nav.is-scrolled {
  border-color: transparent;
  box-shadow: 0 1px 32px rgba(0, 0, 0, 0.08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--nav-family);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-copy);
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__logo:hover {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__group-label {
  font-family: var(--nav-family);
  font-size: 13px;
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-copy);
  opacity: 0.35;
  user-select: none;
}

.nav__num {
  opacity: 0.45;
}

.nav__divider {
  display: block;
  width: 1px;
  height: 16px;
  background-color: var(--color-lines);
  margin-inline: var(--space-2);
}

.nav__link {
  font-family: var(--nav-family);
  font-size: 13px;
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-copy);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--dur-base) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-accent);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__link.is-active {
  color: var(--color-accent);
}

/* -----------------------------------------------------------
   GRID UTILITY
   .grid          → 12-col grid, use on any section inner wrapper
   .col-{n}       → span n columns
   .col-start-{n} → start at column n
----------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--grid-gutter);
}

.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* -----------------------------------------------------------
   HERO
----------------------------------------------------------- */

.hero {
}

.hero__inner {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-bottom: var(--border-base);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
}

/* Name */

.hero__name {
  font-family: var(--h1-family);
  font-size: var(--h1-size);
  font-weight: var(--h1-weight);
  line-height: var(--h1-lh);
  letter-spacing: var(--h1-ls);
  display: block;
  padding-bottom: 0.15em;
}

.hero__name-first {
  display: inline-block;
  color: var(--color-name-light);
  font-weight: 300;
  transform: translateY(110%);
  opacity: 0;
}

.hero__name-last {
  display: inline-block;
  color: var(--color-copy);
  font-weight: var(--h1-weight);
  transform: translateY(110%);
  opacity: 0;
}

/* Subtitle */

.hero__subtitle {
  font-family: var(--h4-family);
  font-size: var(--h4-size);
  font-weight: var(--h4-weight);
  line-height: var(--h4-lh);
  color: var(--color-copy);
  opacity: 0;
  transform: translateY(16px);
}

/* Body copy */

.hero__body {
  font-family: var(--h6-family);
  font-size: var(--h6-size);
  font-weight: var(--h6-weight);
  line-height: var(--h6-lh);
  color: var(--color-copy);
  max-width: calc(8 * var(--grid-col-w) + 7 * var(--grid-gutter));
  opacity: 0;
  transform: translateY(16px);
}

.hero__body strong {
  font-weight: 700;
}

/* CTAs */

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  opacity: 0;
  transform: translateY(16px);
}

/* -----------------------------------------------------------
   CASE INTRO SECTION
----------------------------------------------------------- */

.case-intro {
}

.case-intro__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-bottom: var(--border-base);
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--grid-gutter);
  row-gap: var(--space-7);
}

.case-label {
  grid-column: 1 / 9;
  font-family: var(--nav-family);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-accent);
}

.case-title {
  grid-column: 1 / 9;
  font-family: var(--h2-family);
  font-size: var(--h2-size);
  font-weight: var(--h2-weight);
  line-height: var(--h2-lh);
  letter-spacing: var(--h2-ls);
  color: var(--color-copy);
}

.case-blocks {
  grid-column: 6 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Block */

.block__heading {
  font-family: var(--h5-family);
  font-size: var(--h5-size);
  font-weight: var(--h5-weight);
  line-height: var(--h5-lh);
  color: var(--color-copy);
  margin-bottom: var(--space-3);
}

.block__body {
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  font-weight: var(--h7-weight);
  line-height: var(--h7-lh);
  color: var(--color-copy);
}

.block--card {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin-left: calc(-1 * var(--space-6));
}

/* -----------------------------------------------------------
   SOLUTION SECTION
----------------------------------------------------------- */

.solution__intro {
}

.solution__intro-inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: 0;
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--grid-gutter);
  align-items: start;
}

.solution__header {
  grid-column: 1 / 5;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.solution__title {
  font-family: var(--h3-family);
  font-size: var(--h3-size);
  font-weight: var(--h3-weight);
  line-height: var(--h3-lh);
  color: var(--color-copy);
}

.solution__note {
  font-family: var(--nav-family);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-copy);
  opacity: 0.5;
}

.solution__desc {
  grid-column: 6 / -1;
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  font-weight: var(--h7-weight);
  line-height: var(--h7-lh);
  color: var(--color-copy);
  align-self: center;
}

/* -----------------------------------------------------------
   ANNOTATED — option B (full-width image + 4 columns below)
----------------------------------------------------------- */

.annotated-b__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-bottom: var(--border-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-section);
}

/* Image — full width */

.annotated-b__image-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-base);
}

.annotated-b__img {
  display: block;
  width: 100%;
  height: auto;
}

/* Pins — always visible, highlight on column hover */

.pin {
  position: absolute;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  left: var(--pin-x);
  top: var(--pin-y);
  transform: translate(-50%, -50%);
  opacity: 0.6;
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
  pointer-events: none;
}

.pin.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.2);
}

/* Sub-header between image and columns */

.ann-sub-header {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--grid-gutter);
  align-items: start;
}

.ann-sub-header > div {
  grid-column: 1 / 5;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ann-title {
  font-family: var(--h4-family);
  font-size: var(--h4-size);
  font-weight: var(--h4-weight);
  line-height: var(--h4-lh);
  color: var(--color-copy);
}

.ann-intro {
  grid-column: 5 / -1;
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
  color: var(--color-copy);
  align-self: center;
}

/* 4 annotation columns */

.ann-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gutter);
}

.ann-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 2px solid var(--color-lines);
  cursor: default;
  transition:
    border-color var(--dur-base) var(--ease-out),
    opacity var(--dur-anim) var(--ease-out),
    transform var(--dur-anim) var(--ease-out);
}

.ann-col:hover {
  border-color: var(--color-accent);
}

.ann-col__num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ann-col__text {
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
  color: var(--color-copy);
}

/* -----------------------------------------------------------
   BUTTONS
----------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--h8-family);
  font-size: var(--h8-size);
  font-weight: var(--h8-weight);
  line-height: 1;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  border: var(--border-accent);
  cursor: pointer;
  transition:
    background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-accent-text);
}

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

.btn--link {
  font-family: var(--h8-family);
  font-size: var(--h8-size);
  font-weight: var(--h8-weight);
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.btn--link:hover {
  opacity: 0.7;
}

/* -----------------------------------------------------------
   SCROLL REVEAL - .reveal elements animate in via IntersectionObserver
   Add data-delay="100" (ms) on element for stagger
----------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-anim) var(--ease-out),
    transform var(--dur-anim) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* -----------------------------------------------------------
   ANIMATIONS - triggered by JS adding .is-loaded to <body>
   Sequence: name-first → name-last → subtitle → body → ctas
----------------------------------------------------------- */

body.is-loaded .hero__name-first {
  animation: slideUp var(--dur-anim) var(--ease-out) 100ms forwards;
}

body.is-loaded .hero__name-last {
  animation: slideUp var(--dur-anim) var(--ease-out) 220ms forwards;
}

body.is-loaded .hero__subtitle {
  animation: fadeUp var(--dur-anim) var(--ease-out) 400ms forwards;
}

body.is-loaded .hero__body {
  animation: fadeUp var(--dur-anim) var(--ease-out) 520ms forwards;
}

body.is-loaded .hero__ctas {
  animation: fadeUp var(--dur-anim) var(--ease-out) 640ms forwards;
}

@keyframes slideUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero__name-first,
  .hero__name-last,
  .hero__subtitle,
  .hero__body,
  .hero__ctas {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* -----------------------------------------------------------
   ANNOTATED SPLIT — image left (7 col) / annotations right (5 col)
----------------------------------------------------------- */

.annotated-split__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-bottom: var(--border-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.annotated-split--flush .annotated-split__inner {
  border-bottom: none;
}

.annotated-split__grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  column-gap: var(--grid-gutter);
  row-gap: var(--space-7);
  align-items: start;
}

.annotated-split__image {
  grid-column: 1 / 8;
  grid-row: span 2;
  position: relative;
  border-radius: var(--radius-md);
  border: var(--border-base);
  overflow: hidden;
}

@media (min-width: 1025px) {
  .annotated-split__image {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-5));
  }
}

.annotated-split__image img {
  display: block;
  width: 100%;
  height: auto;
}

.annotated-split__image .pin {
  pointer-events: auto;
  cursor: default;
}

.annotated-split__context {
  grid-column: 8 / -1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.annotated-split__image {
  grid-row: 1 / 3;
}

.annotated-split__annotations {
  grid-column: 8 / -1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.annotated-split__grid--8-4 .annotated-split__image       { grid-column: 1 / 9; grid-row: 1 / 3; }
.annotated-split__grid--8-4 .annotated-split__context     { grid-column: 9 / -1; grid-row: 1; padding-left: 20px; gap: 0; }
.annotated-split__grid--8-4 .annotated-split__annotations { grid-column: 9 / -1; grid-row: 2; padding-left: 20px; }
.annotated-split__grid--8-4                               { row-gap: 80px; }

.annotated-split__grid--8-4 .case-label  { margin-bottom: 8px; }
.annotated-split__grid--8-4 .ann-title   { margin-bottom: 18px; }

.ann-item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  cursor: default;
}

.ann-item__num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
  opacity: 0.45;
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.ann-item.is-active .ann-item__num {
  opacity: 1;
  transform: scale(1.15);
}

.ann-item__title {
  font-family: var(--h4-family);
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: var(--h4-weight);
  line-height: 1.3;
  color: var(--color-copy);
  margin-bottom: var(--space-3);
}

.ann-pivot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.ann-pivot__title {
  font-family: var(--h4-family);
  font-size: clamp(13px, 1.3vw, 18px);
  font-weight: var(--h4-weight);
  line-height: 1.3;
  color: var(--color-copy);
}

.ann-pivot__body {
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
  color: var(--color-copy);
}

.ann-item__body {
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
  color: var(--color-copy);
}

/* -----------------------------------------------------------
   ANNOTATED — option A (callouts on image)
----------------------------------------------------------- */

.annotated-a__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-bottom: var(--border-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.annotated-a__image-wrap {
  position: relative;
  border-radius: var(--radius-md);
  border: var(--border-base);
  max-width: calc(10 * var(--grid-col-w) + 9 * var(--grid-gutter));
  margin-inline: auto;
  width: 100%;
}

.annotated-a__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* Callout wrapper - positioned on image */

.callout {
  position: absolute;
  left: var(--pin-x);
  top: var(--pin-y);
  transform: translate(-50%, -50%);
  z-index: 10;
}

.callout:hover,
.callout.is-open {
  z-index: 20;
}

/* Numbered button */

.callout__btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

.callout:hover .callout__btn,
.callout.is-open .callout__btn {
  transform: scale(1.15);
  box-shadow: 0 4px 20px rgba(63, 143, 122, 0.45);
  border-color: var(--color-bg);
}

/* Card popup */

.callout__card {
  position: absolute;
  width: 260px;
  background: var(--color-bg);
  border: var(--border-base);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  font-family: var(--h7-family);
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-copy);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.callout:hover .callout__card,
.callout.is-open .callout__card {
  opacity: 1;
  pointer-events: auto;
}

/* Hint label on first callout */

.callout__hint {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-accent);
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease-out);
}

.annotated-a__image-wrap.has-interacted .callout__hint {
  opacity: 0;
}

/* Direction: down-left - below pin, right-aligned */
.callout[data-card="down-left"] .callout__card {
  top: calc(100% + 12px);
  right: -8px;
  transform: translateY(-8px);
}
.callout[data-card="down-left"]:hover .callout__card,
.callout[data-card="down-left"].is-open .callout__card {
  transform: translateY(0);
}

/* Direction: left - left of pin, vertically centered */
.callout[data-card="left"] .callout__card {
  right: calc(100% + 12px);
  top: 50%;
  transform: translate(8px, -50%);
}
.callout[data-card="left"]:hover .callout__card,
.callout[data-card="left"].is-open .callout__card {
  transform: translate(0, -50%);
}

/* Direction: up-right - above pin, left-aligned */
.callout[data-card="up-right"] .callout__card {
  bottom: calc(100% + 12px);
  left: -8px;
  transform: translateY(8px);
}
.callout[data-card="up-right"]:hover .callout__card,
.callout[data-card="up-right"].is-open .callout__card {
  transform: translateY(0);
}

/* Direction: up-left - above pin, right-aligned */
.callout[data-card="up-left"] .callout__card {
  bottom: calc(100% + 12px);
  right: -8px;
  transform: translateY(8px);
}
.callout[data-card="up-left"]:hover .callout__card,
.callout[data-card="up-left"].is-open .callout__card {
  transform: translateY(0);
}

/* -----------------------------------------------------------
   ANNOTATED SPLIT — static variant (no sticky image)
----------------------------------------------------------- */

@media (min-width: 1025px) {
  .annotated-split--static .annotated-split__image {
    position: relative;
    top: auto;
  }
}

/* -----------------------------------------------------------
   ANNOTATED SPLIT — stacked images variant
----------------------------------------------------------- */

.annotated-split__image--stack {
  border-radius: 0;
  border: none;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.annotated-split__image-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: var(--border-base);
}

/* -----------------------------------------------------------
   IMAGE PLACEHOLDER
----------------------------------------------------------- */

.img-placeholder {
  aspect-ratio: 16 / 10;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: var(--border-base);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.img-placeholder span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-lines);
}

.img-placeholder--tall {
  aspect-ratio: 4 / 3;
}

/* -----------------------------------------------------------
   BEFORE / AFTER
----------------------------------------------------------- */

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gutter);
  padding-bottom: var(--space-8);
  align-items: start;
}

.before-after__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.before-after__item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

.before-after__label {
  font-family: var(--nav-family);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-accent);
  margin-top: var(--space-5);
}

.before-after__heading {
  font-family: var(--h4-family);
  font-size: var(--h4-size);
  font-weight: var(--h4-weight);
  line-height: var(--h4-lh);
  color: var(--color-copy);
}

.before-after__caption {
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
  color: var(--color-copy);
}

/* -----------------------------------------------------------
   CASE OUTCOMES
----------------------------------------------------------- */

.case-outcomes__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-bottom: var(--border-base);
}

.case-outcomes__summary {
  font-family: var(--h3-family);
  font-size: var(--h3-size);
  font-weight: var(--h3-weight);
  line-height: var(--h3-lh);
  color: var(--color-copy);
  margin-bottom: var(--space-8);
}

.case-outcomes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gutter);
}

.outcome-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.outcome-block__label {
  font-family: var(--h4-family);
  font-size: var(--h4-size);
  font-weight: var(--h4-weight);
  line-height: var(--h4-lh);
  color: var(--color-copy);
}

.outcome-block__body {
  font-family: var(--h7-family);
  font-size: var(--h7-size);
  line-height: var(--h7-lh);
  color: var(--color-copy);
}

.outcome-block--accent {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin-left: calc(-1 * var(--space-6));
}

/* -----------------------------------------------------------
   MORE WORK
----------------------------------------------------------- */

/* -----------------------------------------------------------
   SELECTED WORKS
----------------------------------------------------------- */

.selected-works__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-top: 1px solid var(--color-accent);
  border-bottom: var(--border-base);
}

.selected-works__heading {
  font-family: var(--h2-family);
  font-size: var(--h2-size);
  font-weight: var(--h2-weight);
  line-height: var(--h2-lh);
  color: var(--color-copy);
  margin-bottom: var(--space-9);
}

.sw-list {
  display: flex;
  flex-direction: column;
}

.sw-row {
  display: grid;
  grid-template-columns: 5fr 8fr;
  gap: var(--grid-gutter);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  border-top: var(--border-base);
}

.sw-row__left {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.sw-row__tag {
  font-family: var(--font-mono);
  font-size: var(--h8-size);
  font-weight: var(--h8-weight);
  line-height: var(--h8-lh);
  color: var(--color-accent);
}

.sw-row__title {
  font-family: var(--h3-family);
  font-size: var(--h3-size);
  font-weight: var(--h3-weight);
  line-height: var(--h3-lh);
  color: var(--color-copy);
}

.sw-row__desc {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.78;
  color: var(--color-copy);
}

.sw-row__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
}

.sw-row__meta-line {
  display: flex;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-copy);
}

.sw-row__meta-key {
  font-weight: 600;
  color: var(--color-secondary);
  min-width: 56px;
}

.sw-row__image {
  background: var(--color-light-beige);
  border-radius: var(--radius-md);
  overflow: hidden;
  align-self: start;
  padding: 10px;
}

.sw-row__image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 4px);
}

/* -----------------------------------------------------------
   FOOTER
----------------------------------------------------------- */

.footer__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  border-top: var(--border-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.footer__name {
  font-family: var(--font-mono);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-copy);
  opacity: 0.5;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.footer__link {
  font-family: var(--font-mono);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-copy);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--color-accent);
}

/* -----------------------------------------------------------
   ABOUT
----------------------------------------------------------- */

.about__inner {
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-top: var(--border-base);
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--grid-gutter);
  row-gap: var(--space-7);
}

.about__inner .case-label {
  grid-column: 1 / -1;
}

.about__statement {
  grid-column: 1 / 9;
  font-family: var(--h2-family);
  font-size: var(--h2-size);
  font-weight: var(--h2-weight);
  line-height: var(--h2-lh);
  letter-spacing: var(--h2-ls);
  color: var(--color-copy);
}

.about__content {
  grid-column: 6 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about__body {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.78;
  color: var(--color-copy);
}

.about__body + .about__body {
  margin-top: var(--space-6);
}

.about__ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.about__contact-link {
  font-family: var(--font-mono);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  letter-spacing: var(--nav-ls);
  color: var(--color-copy);
  text-decoration: none;
  border-bottom: 1px solid var(--color-lines);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.about__contact-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* -----------------------------------------------------------
   NAV TOGGLE (hamburger — visible only on mobile)
----------------------------------------------------------- */

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  height: var(--nav-height);
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-copy);
  border-radius: 1px;
  transition: all var(--dur-base) var(--ease-out);
}

/* -----------------------------------------------------------
   PRINT
----------------------------------------------------------- */

@media print {
  .reveal { opacity: 1 !important; transform: none !important; }
  .nav { display: none; }
  .pin { background: #333 !important; -webkit-print-color-adjust: exact; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* -----------------------------------------------------------
   MOBILE — max 768px
   Stack all columns, reorder annotated split: context → image → annotations
----------------------------------------------------------- */

@media (max-width: 768px) {

  :root {
    --space-section: 64px;
  }

  /* Nav - hamburger toggle */
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8) var(--content-pad-x);
    gap: var(--space-6);
    border-top: var(--border-base);
    overflow-y: auto;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__group-label,
  .nav__divider {
    display: none;
  }

  .nav__link {
    font-size: 18px;
  }

  /* Hero */
  .hero__body {
    max-width: 100%;
  }

  /* Case intro - stack */
  .case-intro__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  /* Solution intro - stack */
  .solution__intro-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  /* Annotated split - block stacking, DOM order is context → image → annotations */
  .annotated-split__grid,
  .annotated-split__grid--8-4 {
    display: block !important;
  }

  .annotated-split__context {
    padding-left: 0 !important;
    margin-bottom: var(--space-4);
  }

  .annotated-split__image {
    position: relative !important;
    grid-row: unset;
    margin-bottom: var(--space-7);
  }

  .annotated-split__annotations {
    padding-left: 0 !important;
  }

  /* Pins - full opacity, not interactive on mobile */
  .annotated-split__image .pin {
    opacity: 1;
    pointer-events: none;
  }

  /* Numbers - full opacity on mobile (no hover) */
  .ann-item__num {
    opacity: 1;
  }

  /* Outcomes - stack */
  .case-outcomes__grid {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  /* Before/after - stack */
  .before-after {
    grid-template-columns: 1fr;
  }

  /* Selected works - stack on mobile */
  .sw-row {
    grid-template-columns: 1fr;
  }

  .sw-row__image {
    min-height: 240px;
  }

  /* About - stack */
  .about__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  /* Footer - stack */
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
  }

  .footer__links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

}