/* ============================================================
   Sasha Goryaeva · Portfolio
   Design system: tokens, base, components, sections
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg: #faf9f7;
  --surface: #ffffff;
  --ink: #131416;
  --ink-2: #55575c;
  --ink-3: #8a8b90;
  --line: #e9e7e2;
  --line-strong: #dcdad4;

  --accent: #a9714c;
  --accent-ink: #7d5236;
  --accent-soft: #f5ece5;

  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 9px;

  --shadow-sm: 0 1px 2px rgba(19, 20, 22, 0.05);
  --shadow-md: 0 12px 32px -12px rgba(19, 20, 22, 0.14);
  --shadow-lg: 0 32px 72px -28px rgba(19, 20, 22, 0.22);

  --font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --w-max: 1168px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(88px, 11vw, 152px);

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

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-wrap: balance;
}

p {
  margin: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 16px;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 99px;
  font-size: 0.875rem;
}

.skip-link:focus {
  left: 16px;
}

.wrap {
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Type scale ---------- */
.display {
  font-weight: 500;
  font-size: clamp(2.75rem, 1.85rem + 4.5vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.h2 {
  font-weight: 500;
  font-size: clamp(2.25rem, 1.5rem + 3.2vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.h3 {
  font-weight: 500;
  font-size: clamp(1.7rem, 1.35rem + 1.6vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.lede {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.625;
  color: var(--ink-2);
  max-width: 40ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.muted {
  color: var(--ink-2);
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 99px;
  border: 1px solid transparent;
  font: 500 0.9375rem/1 var(--font);
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.btn svg {
  flex: none;
  transition: transform 0.25s var(--ease);
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.btn:hover svg {
  transform: translateX(2px);
}

.btn:active {
  transform: translateY(0);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--accent);
}

.link-arrow svg {
  transition: transform 0.25s var(--ease);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(250, 249, 247, 0.86);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  font-weight: 600;
  letter-spacing: -0.025em;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.brand i {
  font-style: normal;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a:not(.btn) {
  padding: 9px 14px;
  border-radius: 99px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink-2);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:not(.btn):hover {
  color: var(--ink);
  background: rgba(19, 20, 22, 0.05);
}

.nav-links .btn {
  margin-left: 12px;
  padding: 10px 18px;
  font-size: 0.875rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.nav-toggle span + span {
  margin-top: 6px;
}

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(150px, 20vh, 220px);
  padding-bottom: var(--section);
  position: relative;
  overflow: clip;
}

.hero-orb {
  position: absolute;
  top: -260px;
  right: -180px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(169, 113, 76, 0.08), transparent 72%);
  pointer-events: none;
}

.hero .display {
  max-width: 17ch;
  margin-top: 32px;
}

.hero .display em {
  font-style: normal;
  color: var(--ink-3);
}

.hero .lede {
  margin-top: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
  margin-top: clamp(64px, 8vw, 104px);
  padding-top: 36px;
  border-top: 1px solid var(--line);
  max-width: 780px;
}

.stat b {
  display: block;
  font-size: clamp(1.875rem, 1.6rem + 1.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.stat span {
  display: block;
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.375;
}

/* ---------- Sections ---------- */
.section {
  padding-block: var(--section);
}

.section + .section {
  padding-top: 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(44px, 6vw, 72px);
}

.section-head .h2 {
  margin-top: 24px;
  max-width: 22ch;
}

.section-head .aside {
  max-width: 34ch;
  color: var(--ink-2);
  font-size: 0.875rem;
  line-height: 1.43;
  padding-bottom: 6px;
}

/* ---------- Work cards ---------- */
.work-list {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease),
    border-color 0.4s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
}

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

.card-media {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  background: var(--accent-soft);
}

.card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.9s var(--ease);
}

.card:hover .card-media img {
  transform: scale(1.03);
}

.card-media .card-result {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(19, 20, 22, 0.08);
  border-radius: 99px;
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  box-shadow: var(--shadow-sm);
}

.card-media .card-result b {
  color: var(--accent);
}

.card-body {
  padding: clamp(28px, 3.4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.card-body h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  max-width: 18ch;
}

.card-body > p {
  color: var(--ink-2);
  font-size: 0.9375rem;
  line-height: 1.55;
  max-width: 46ch;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 10px;
}

.tags li {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-2);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 6px 13px;
}

.card .link-arrow {
  margin-top: 18px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}

.about-copy p + p {
  margin-top: 20px;
}

.about-copy .big {
  font-size: clamp(1.5rem, 1.3rem + 1vw, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--ink);
}

.about-copy p:not(.big) {
  color: var(--ink-2);
}

.cv-panel {
  position: sticky;
  top: 108px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 3vw, 36px);
  box-shadow: var(--shadow-sm);
}

.cv-panel h3 {
  font-size: 1.2rem;
}

.cv-panel p {
  color: var(--ink-2);
  font-size: 0.9375rem;
  margin-top: 10px;
}

.cv-actions {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.cv-actions .btn {
  justify-content: center;
}

.cv-note {
  margin-top: 14px;
  font-size: 0.8125rem;
  color: var(--ink-3);
  text-align: center;
  min-height: 1.2em;
}

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}

.skill-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 2.6vw, 34px);
}

.skill-col h3 {
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-col h3 .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.skill-col ul {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.skill-col li {
  color: var(--ink-2);
  font-size: 0.9375rem;
  padding-left: 18px;
  position: relative;
}

.skill-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1.5px;
  background: var(--line-strong);
}

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.step {
  background: var(--surface);
  padding: clamp(22px, 2.4vw, 32px);
  transition: background 0.3s var(--ease);
}

.step:hover {
  background: var(--accent-soft);
}

.step b {
  display: block;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.step h3 {
  margin-top: 14px;
  font-size: 1.1rem;
}

.step p {
  margin-top: 10px;
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.5;
}

/* ---------- Experience ---------- */
.xp-list {
  border-top: 1px solid var(--line);
}

.xp {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px clamp(24px, 5vw, 72px);
  padding: clamp(26px, 3vw, 38px) 0;
  border-bottom: 1px solid var(--line);
}

.xp-when {
  font-size: 0.875rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}

.xp h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.5rem);
  letter-spacing: -0.015em;
}

.xp .co {
  color: var(--accent);
}

.xp p {
  margin-top: 10px;
  color: var(--ink-2);
  font-size: 0.9375rem;
  max-width: 62ch;
}

.edu-note {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px clamp(24px, 5vw, 72px);
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.edu-note b {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--ink);
  color: #f5f4f1;
  border-radius: var(--radius-lg);
  padding: clamp(52px, 7vw, 96px) clamp(28px, 5vw, 80px);
  position: relative;
  overflow: hidden;
}

.contact::after {
  content: "";
  position: absolute;
  right: -160px;
  bottom: -260px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(169, 113, 76, 0.35), transparent 72%);
  pointer-events: none;
}

.contact .eyebrow {
  color: rgba(245, 244, 241, 0.55);
}

.contact .h2 {
  margin-top: 28px;
  max-width: 18ch;
}

.contact-mail {
  display: inline-block;
  margin-top: 30px;
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  border-bottom: 2px solid rgba(245, 244, 241, 0.28);
  padding-bottom: 6px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
  position: relative;
  z-index: 1;
}

.contact-mail:hover {
  color: #fff;
  border-color: var(--accent);
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin-top: clamp(36px, 5vw, 60px);
  font-size: 0.9375rem;
  color: rgba(245, 244, 241, 0.72);
  position: relative;
  z-index: 1;
}

.contact-meta a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.2s;
}

.contact-meta a:hover {
  color: #fff;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 40px 0 48px;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--ink-3);
}

.footer-row nav {
  display: flex;
  gap: 22px;
}

.footer-row a:hover {
  color: var(--ink);
}

/* ---------- Case study pages ---------- */
.case-hero {
  padding-top: clamp(140px, 18vh, 200px);
  padding-bottom: clamp(48px, 6vw, 80px);
}

.case-hero .display {
  max-width: 20ch;
  margin-top: 32px;
  font-size: clamp(2.4rem, 1.7rem + 4vw, 4.5rem);
}

.case-hero .lede {
  margin-top: 32px;
  max-width: 56ch;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gutter);
  margin-top: clamp(44px, 6vw, 64px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.case-meta b {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.case-meta span {
  display: block;
  margin-top: 9px;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.45;
}

.case-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.case-figure figcaption {
  padding: 14px 20px;
  font-size: 0.8125rem;
  color: var(--ink-3);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.case-figure.is-plain {
  border: 0;
  box-shadow: none;
  background: transparent;
  border-radius: var(--radius-lg);
}

.tall-scroll {
  max-height: 640px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

/* Inside a media grid, let the scroll frame fill the card's full height
   (the row height comes from the neighbouring figure) */
.media-grid .case-figure:has(.tall-scroll) {
  display: flex;
  flex-direction: column;
}

.media-grid .tall-scroll {
  flex: 1 1 0;
  min-height: 440px;
  max-height: none;
}

/* Asymmetric variant: first column (e.g. a scrollable site capture) gets more room */
.media-grid.wide-first {
  grid-template-columns: 1.6fr 1fr;
}

.case-section {
  padding-block: clamp(56px, 7vw, 96px);
}

.case-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px clamp(32px, 6vw, 96px);
  align-items: start;
}

.case-grid .sticky-label {
  position: sticky;
  top: 108px;
}

.case-grid .h3 {
  margin-top: 12px;
}

.case-copy {
  max-width: 62ch;
}

.case-copy p {
  color: var(--ink-2);
}

.case-copy p + p,
.case-copy ul + p,
.case-copy p + ul {
  margin-top: 18px;
}

.case-copy > .list {
  display: grid;
  gap: 12px;
}

.case-copy > .list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink-2);
}

.case-copy > .list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 12px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.case-copy strong {
  color: var(--ink);
  font-weight: 500;
}

.pull-quote {
  margin: 0;
  padding: clamp(28px, 4vw, 44px);
  background: var(--accent-soft);
  border-radius: var(--radius-lg);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--ink);
  border-left: 3px solid var(--accent);
}

.pull-quote footer {
  margin-top: 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}

.media-grid .span-2 {
  grid-column: span 2;
}

/* ---------- Horizontal carousel ---------- */
.carousel-wrap {
  position: relative;
}

.carousel {
  display: flex;
  gap: clamp(16px, 2.2vw, 26px);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-left: var(--gutter);
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.carousel::-webkit-scrollbar {
  height: 7px;
}

.carousel::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 99px;
}

.carousel .case-figure {
  flex: 0 0 auto;
  width: min(80vw, 560px);
  scroll-snap-align: start;
}

.carousel .case-figure img {
  width: 100%;
}

.carousel-nav {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.carousel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.carousel-btn:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.carousel-btn:disabled {
  opacity: 0.35;
  cursor: default;
  transform: none;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.result-cell {
  background: var(--surface);
  padding: clamp(24px, 2.8vw, 38px);
}

.result-cell b {
  display: block;
  font-size: clamp(1.875rem, 1.6rem + 1.2vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--accent);
}

.result-cell span {
  display: block;
  margin-top: 10px;
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.45;
}

.next-case {
  border-top: 1px solid var(--line);
  padding-block: clamp(56px, 7vw, 88px);
}

.next-case a {
  display: block;
}

.next-case .eyebrow {
  margin-bottom: 16px;
}

.next-case .h2 {
  max-width: 24ch;
  transition: color 0.3s var(--ease);
}

.next-case a:hover .h2 {
  color: var(--accent);
}

.next-case .link-arrow {
  margin-top: 20px;
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .card,
  .card:nth-child(even) {
    grid-template-columns: 1fr;
  }

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

  .card-media {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .about-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .cv-panel {
    position: static;
  }

  .case-grid .sticky-label {
    position: static;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .results-grid,
  .case-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 76px var(--gutter) auto;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }

  .nav-links.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .nav-links a:not(.btn) {
    padding: 13px 16px;
  }

  .nav-links .btn {
    margin: 8px 4px 2px;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .xp,
  .edu-note {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .media-grid,
  .media-grid.wide-first {
    grid-template-columns: 1fr;
  }

  .media-grid .span-2 {
    grid-column: auto;
  }

  .carousel .case-figure {
    width: min(84vw, 420px);
  }

  .carousel-nav {
    display: none;
  }

  .tall-scroll {
    max-height: 440px;
  }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

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

/* ---------- Print ---------- */
@media print {
  .site-header,
  .hero-actions,
  .cv-actions,
  .next-case {
    display: none;
  }
}