/* ==========================================================================
   Jimmy Balladares — Portfolio
   Editorial "field notes" system: warm paper, ink, one signal color.
   Type: Instrument Serif (display) · Geist (text) · Geist Mono (annotations)
   ========================================================================== */

:root {
  --paper: #f3f0e8;
  --paper-2: #e9e5da;
  --paper-3: #dfdace;
  --ink: #16150f;
  --ink-2: #57544b;
  --ink-3: #8a867b;
  --rule: rgba(22, 21, 15, 0.14);
  --rule-strong: rgba(22, 21, 15, 0.32);
  --signal: #ff4f1a;       /* decorative: dots, redlines, large italic */
  --signal-ink: #c2380a;   /* small text on paper — meets 4.5:1 */
  --grid-line: rgba(22, 21, 15, 0.06);

  --serif: "Instrument Serif", "Iowan Old Style", "New York", Georgia, serif;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --content: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius: 20px;

  /* Critically-damped spring, sampled — settles without overshoot */
  --spring: linear(0, 0.0418, 0.1449 4.3%, 0.2795 6.7%, 0.4452 9.8%, 0.6011 13.3%, 0.7307 17.2%, 0.8268 21.3%, 0.8945 25.8%, 0.9409 30.8%, 0.9716 36.6%, 0.9895 43.8%, 0.9977 53.5%, 1);
  /* Light spring with a touch of overshoot, for small UI */
  --bounce: linear(0, 0.1532, 0.4686 8.6%, 0.8034 15.6%, 1.0133 22.3%, 1.0884 27.1%, 1.1031 31.5%, 1.0857 36.4%, 1.0229 46.6%, 0.9978 56.7%, 0.9955 66.4%, 1);

  color-scheme: light dark;
}

/* Dark palette. Follows the system unless the visitor picked a theme with the
   switch in the nav, which sets data-theme="light" | "dark" on <html>. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #12110e;
    --paper-2: #1b1a16;
    --paper-3: #25241f;
    --ink: #eeeae0;
    --ink-2: #aaa69a;
    --ink-3: #85817a;
    --rule: rgba(238, 234, 224, 0.12);
    --rule-strong: rgba(238, 234, 224, 0.3);
    --signal: #ff6a3d;
    --signal-ink: #ff8a63;
    --grid-line: rgba(238, 234, 224, 0.05);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
    --paper: #12110e;
    --paper-2: #1b1a16;
    --paper-3: #25241f;
    --ink: #eeeae0;
    --ink-2: #aaa69a;
    --ink-3: #85817a;
    --rule: rgba(238, 234, 224, 0.12);
    --rule-strong: rgba(238, 234, 224, 0.3);
    --signal: #ff6a3d;
    --signal-ink: #ff8a63;
    --grid-line: rgba(238, 234, 224, 0.05);
    color-scheme: dark;
}
:root[data-theme="light"] { color-scheme: light; }

/* Increase Contrast (iOS / macOS accessibility setting) */
@media (prefers-contrast: more) {
  :root { --ink-2: #3d3a33; --ink-3: #5a574f; --rule: rgba(22, 21, 15, 0.3); --signal-ink: #a32e06; }
  :root[data-theme="dark"] { --ink-2: #d4d0c4; --ink-3: #b3afa4; --rule: rgba(238, 234, 224, 0.3); --signal-ink: #ffab8f; }
}
@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --ink-2: #d4d0c4; --ink-3: #b3afa4; --rule: rgba(238, 234, 224, 0.3); --signal-ink: #ffab8f; }
}

/* ---------- Base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

img, video, iframe { display: block; max-width: 100%; }

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 200;
  padding: 8px 14px;
  background: var(--ink);
  color: var(--paper);
  font: 500 13px var(--mono);
}
.skip-link:focus { left: 12px; }

.container {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }

em, .italic { font-style: italic; }

/* Underline that draws in from the left */
.ulink {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0% 1px no-repeat;
  transition: background-size 0.5s var(--spring);
  padding-bottom: 2px;
}
.ulink:hover, .ulink:focus-visible { background-size: 100% 1px; }

.arrow { display: inline-block; transition: transform 0.45s var(--bounce); }
a:hover .arrow, a:focus-visible .arrow { transform: translateX(4px); }
a:hover .arrow--ne, a:focus-visible .arrow--ne { transform: translate(3px, -3px); }

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--rule); }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.nav__brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-right: auto;
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.01em;
}
.nav__brand .mono { color: var(--ink-3); font-size: 11px; }

.nav__links {
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}
.nav__links a { color: var(--ink-2); transition: color 0.2s ease; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }

@media (max-width: 820px) {
  .nav__links { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  padding: clamp(72px, 12vw, 160px) 0 clamp(64px, 9vw, 120px);
}

.hero__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--ink-3);
  margin-bottom: clamp(28px, 4vw, 48px);
}
.hero__kicker span:first-child { color: var(--ink); }

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(64px, 13vw, 184px);
  line-height: 0.9;
  letter-spacing: -0.035em;
}

.lean {
  display: inline-block;
  font-style: italic;
  color: var(--signal);
  padding-right: 0.06em;
  will-change: transform;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px;
  align-items: end;
  margin-top: clamp(40px, 6vw, 72px);
}

.hero__lede {
  max-width: 620px;
  font-size: clamp(20px, 2.1vw, 25px);
  line-height: 1.45;
  color: var(--ink-2);
  letter-spacing: -0.015em;
}
.hero__lede strong { color: var(--ink); font-weight: 500; }

.status {
  justify-self: end;
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border: 1px solid var(--rule);
  border-radius: 14px;
  min-width: 280px;
}
.status__row { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 14px; }
.status__row .mono { color: var(--ink-3); width: 64px; flex: none; }

.dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
}
.dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--signal);
  animation: ping 2.4s var(--spring) infinite;
}
@keyframes ping { 0% { transform: scale(1); opacity: 0.6; } 80%, 100% { transform: scale(3); opacity: 0; } }

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
  .status { justify-self: start; }
}

/* ---------- Sections ---------- */

.section { padding: clamp(80px, 11vw, 150px) 0; }
.section + .section { border-top: 1px solid var(--rule); }

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: 24px;
  margin-bottom: clamp(40px, 6vw, 80px);
}
.section__label { color: var(--ink-3); padding-top: 14px; }
.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.03em;
}
.section__title em { color: var(--ink-3); }

@media (max-width: 760px) {
  .section__head { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- Principles ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong);
}
.principle { padding: 28px 28px 32px 0; }
.principle:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--rule); }
.principle:nth-child(n + 3) { border-top: 1px solid var(--rule); }
.principle .mono { color: var(--signal-ink); }
.principle h3 {
  margin: 20px 0 14px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.principle p { max-width: 460px; color: var(--ink-2); font-size: 16px; }
.principle p a { color: var(--ink); }

@media (max-width: 760px) {
  .principles { grid-template-columns: 1fr; }
  .principle:nth-child(even) { padding-left: 0; border-left: 0; }
  .principle + .principle { border-top: 1px solid var(--rule); }
}

/* ---------- Work index ---------- */

.work { display: grid; gap: clamp(72px, 10vw, 128px); }

.work-item { display: block; }

.work-item__head {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--rule-strong);
}
.work-item__num { color: var(--ink-3); }
.work-item__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 80px);
  line-height: 1;
  letter-spacing: -0.03em;
  transition: transform 0.6s var(--spring), color 0.3s ease;
}
.work-item:hover .work-item__title { transform: translateX(10px); }
.work-item__title em { color: var(--ink-3); transition: color 0.3s ease; }
.work-item:hover .work-item__title em { color: var(--signal); }
.work-item__cta { color: var(--ink-2); white-space: nowrap; }

.work-item__body {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.work-item__media {
  overflow: hidden;
  border-radius: var(--radius);
}
.work-item__media > * { transition: transform 1.1s var(--spring); }
.work-item:hover .work-item__media > * { transform: scale(1.025); }

.work-item__text p { font-size: 19px; line-height: 1.5; color: var(--ink-2); }

.meta {
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid var(--rule);
}
.meta div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}
.meta dt { color: var(--ink-3); }
.meta dd { color: var(--ink); }

@media (max-width: 860px) {
  .work-item__head { grid-template-columns: 40px minmax(0, 1fr); }
  .work-item__cta { display: none; }
  .work-item__body { grid-template-columns: 1fr; }
}

/* Smaller "also" row */
.also {
  display: grid;
  grid-template-columns: 64px minmax(0, 5fr) minmax(0, 6fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 28px 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}
.also h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.also p { color: var(--ink-2); }
.also .mono { color: var(--ink-3); }
.also:hover h3 { color: var(--signal); }
@media (max-width: 860px) {
  .also { grid-template-columns: 40px minmax(0, 1fr); }
  .also p { grid-column: 2; }
  .also .work-item__cta { display: none; }
}

/* ---------- Specimens (media placeholders) ----------
   Replace .specimen__empty with an <img>, <video> or <iframe>. */

.specimen {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--paper-2);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}
.specimen--wide { aspect-ratio: 16 / 10; }
.specimen--video { aspect-ratio: 16 / 9; }
.specimen--phone { aspect-ratio: 9 / 19.5; border-radius: 32px; }
.specimen--portrait { aspect-ratio: 4 / 5; }
.specimen--square { aspect-ratio: 1; }

.specimen > img,
.specimen > video,
.specimen > iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
}

.specimen__empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 6px;
  padding: 16px;
  text-align: center;
  color: var(--ink-3);
}
.specimen__empty strong {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 32px);
  color: var(--ink-2);
  letter-spacing: -0.01em;
}
.specimen__empty code { font: 500 11px var(--mono); }

/* crop marks */
.specimen::before,
.specimen::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--ink-3);
  border-style: solid;
  opacity: 0.6;
  pointer-events: none;
}
.specimen::before { top: 14px; left: 14px; border-width: 1px 0 0 1px; }
.specimen::after { bottom: 14px; right: 14px; border-width: 0 1px 1px 0; }
.specimen:has(> img, > video, > iframe)::before,
.specimen:has(> img, > video, > iframe)::after { display: none; }

figcaption {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  font-size: 14px;
  color: var(--ink-2);
}
figcaption .mono { color: var(--ink-3); flex: none; padding-top: 2px; }

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.about__text > p {
  font-family: var(--serif);
  font-size: clamp(26px, 2.8vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.015em;
}
.about__text > p + p { margin-top: 0.7em; }
.about__text > p em { color: var(--signal); }

.toolbox {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--rule-strong);
}
.toolbox h3 { color: var(--ink-3); margin-bottom: 12px; }
.toolbox ul { margin: 0; padding: 0; list-style: none; font-size: 15px; line-height: 1.9; }

@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; }
  .about .specimen { max-width: 320px; }
  .toolbox { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Experience ---------- */

.roles { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rule-strong); }

.role {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 4fr) minmax(0, 5fr);
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.role__dates { color: var(--ink-3); padding-top: 6px; }
.role h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.015em;
}
.role__org { color: var(--ink-2); font-size: 15px; margin-top: 4px; }
.role p { color: var(--ink-2); }

.roles__group { margin-top: 56px; margin-bottom: 12px; color: var(--ink-3); }

.linkedin {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.4s var(--bounce);
}
.linkedin:hover { transform: translateY(-2px); }
.linkedin svg { width: 16px; height: 16px; }

@media (max-width: 760px) {
  .role { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- Contact ---------- */

.contact { text-align: left; }
.contact__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(72px, 15vw, 220px);
  line-height: 0.88;
  letter-spacing: -0.04em;
}
.contact__title em { color: var(--signal); }

.contact__email {
  display: inline-block;
  margin-top: clamp(32px, 5vw, 56px);
  font-family: var(--serif);
  font-size: clamp(28px, 4.4vw, 60px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  word-break: break-word;
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin: 40px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--rule-strong);
  font-size: 16px;
}

/* ---------- Footer ---------- */

.footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 13px;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
}
.footer a { color: var(--ink-2); }

/* ==========================================================================
   Case study pages
   ========================================================================== */

.cs-hero { padding: clamp(48px, 8vw, 104px) 0 clamp(40px, 6vw, 72px); }

.back {
  display: inline-flex;
  gap: 8px;
  color: var(--ink-2);
  margin-bottom: clamp(40px, 6vw, 72px);
}
.back:hover .arrow { transform: translateX(-4px); }

.cs-kicker { color: var(--signal-ink); margin-bottom: 20px; }

.cs-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(64px, 12vw, 168px);
  line-height: 0.9;
  letter-spacing: -0.035em;
}
.cs-title em { color: var(--ink-3); }

.cs-lede {
  max-width: 760px;
  margin-top: clamp(28px, 4vw, 40px);
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.4;
  color: var(--ink-2);
  letter-spacing: -0.015em;
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: 20px;
  border-top: 1px solid var(--rule-strong);
}
.cs-meta dt { color: var(--ink-3); margin-bottom: 6px; }
.cs-meta dd { font-size: 15px; }
.cs-meta a { color: var(--signal-ink); }

@media (max-width: 760px) {
  .cs-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.cs-cover { margin-bottom: clamp(64px, 9vw, 120px); }

.chapter {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: 24px;
  padding: clamp(56px, 8vw, 96px) 0;
  border-top: 1px solid var(--rule);
}
.chapter__label {
  position: sticky;
  top: 96px;
  align-self: start;
  color: var(--ink-3);
}
.chapter__label span { display: block; color: var(--signal-ink); margin-bottom: 4px; }

.prose { max-width: 680px; }
.prose h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}
.prose p { font-size: 19px; line-height: 1.6; color: var(--ink-2); }
.prose p + p { margin-top: 1em; }
.prose p strong { color: var(--ink); font-weight: 500; }
.prose .todo { color: var(--ink-3); }

.wide { max-width: none; margin-top: 48px; }

@media (max-width: 760px) {
  .chapter { grid-template-columns: 1fr; gap: 16px; }
  .chapter__label { position: static; }
}

/* Decision cards */
.decisions { display: grid; gap: 16px; margin-top: 40px; }

.decision {
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--radius);
  background: var(--paper-2);
}
.decision__num { color: var(--signal-ink); }
.decision h3 {
  margin: 12px 0 12px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 2.8vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.decision > p { color: var(--ink-2); font-size: 17px; }

.tradeoff {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
}
.tradeoff dt { color: var(--ink-3); margin-bottom: 4px; }
.tradeoff dd { color: var(--ink); }
.tradeoff .rejected dd { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--signal); }

@media (max-width: 600px) {
  .tradeoff { grid-template-columns: 1fr; }
}

/* Iteration strip */
.iterations {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.iterations figure.is-rejected .specimen { opacity: 0.55; }
.iterations figure.is-chosen figcaption .mono { color: var(--signal-ink); }
.iterations figcaption { flex-direction: column; gap: 2px; }

@media (max-width: 760px) {
  .iterations { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.phones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 24px);
  margin-top: 40px;
}

/* Pull quote */
.pull {
  padding: clamp(72px, 10vw, 140px) 0;
  border-top: 1px solid var(--rule);
}
.pull blockquote {
  max-width: 1000px;
  font-family: var(--serif);
  font-size: clamp(40px, 5.6vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.pull blockquote em { color: var(--signal); }
.pull cite { display: block; margin-top: 28px; font-style: normal; color: var(--ink-3); }

/* Lists inside prose */
.checklist { margin: 24px 0 0; padding: 0; list-style: none; }
.checklist li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  color: var(--ink-2);
}
.checklist li::before { content: "→"; color: var(--signal-ink); }
.checklist strong { color: var(--ink); font-weight: 500; }

/* Next project */
.next {
  display: block;
  padding: clamp(72px, 10vw, 140px) 0;
  border-top: 1px solid var(--rule-strong);
}
.next .mono { color: var(--ink-3); }
.next__title {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: clamp(56px, 10vw, 144px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  transition: transform 0.6s var(--spring);
}
.next:hover .next__title { transform: translateX(16px); }
.next__title em { color: var(--ink-3); transition: color 0.3s ease; }
.next:hover .next__title em { color: var(--signal); }

/* ---------- Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition:
    opacity 0.9s var(--spring),
    transform 1.1s var(--spring),
    filter 0.9s var(--spring);
  transition-delay: var(--delay, 0s);
}
.reveal.is-visible { opacity: 1; transform: none; filter: none; }
.no-js .reveal { opacity: 1; transform: none; filter: none; }

/* ---------- Reduce Motion ---------- */

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

/* Chapter children that sit below the prose */
.chapter > .span-full { grid-column: 1 / -1; }
.chapter > .span-body { grid-column: 2; }
@media (max-width: 760px) {
  .chapter > .span-body { grid-column: 1; }
}

/* A sticky label would slide over full-width figure rows, so pin it only in text-only chapters */
.chapter:has(> .span-full) .chapter__label { position: static; }

.decision > p.decision__num { font-size: 12px; color: var(--signal-ink); }

.nav__brand { white-space: nowrap; }
@media (max-width: 600px) {
  .nav__brand .mono { display: none; }
}

/* ==========================================================================
   Real media
   ========================================================================== */

/* Three phone screens composed on a specimen — used as a cover */
.screens {
  position: absolute;
  inset: 9% 4% auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 4%;
}
.screens img {
  width: 30%;
  height: auto;
  border-radius: clamp(14px, 2.4vw, 30px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 24px 60px -20px rgba(22, 21, 15, 0.45);
}
.screens img:nth-child(2) { transform: translateY(-6%); }

/* Phone screenshot in its own figure (not cropped to a fake frame) */
.shot {
  width: 100%;
  height: auto;
  border-radius: clamp(18px, 3vw, 36px);
  box-shadow: 0 0 0 1px var(--rule), 0 24px 60px -24px rgba(22, 21, 15, 0.35);
}
.shot--top { aspect-ratio: 9 / 19.5; object-fit: cover; object-position: top; }

/* Media that shouldn't be cropped (e.g. transparent PNGs) */
.specimen > img.contain { object-fit: contain; padding: 8%; }

/* Film player */
.film {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: #000;
  object-fit: cover;
}

/* App icon beside a case-study title */
.cs-app { display: flex; align-items: center; gap: clamp(16px, 3vw, 32px); }
.cs-app img {
  width: clamp(64px, 9vw, 120px);
  height: auto;
  border-radius: 22.5%;
  box-shadow: 0 12px 32px -12px rgba(22, 21, 15, 0.45);
}

/* A character that floats beside a title */
.cs-hero__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 24px; }
.mascot {
  width: clamp(80px, 11vw, 150px);
  height: auto;
  margin-bottom: 0.4em;
  animation: bob 4.8s ease-in-out infinite;
  filter: drop-shadow(0 24px 24px rgba(22, 21, 15, 0.18));
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

/* Steps (numbered frames in a sequence) */
.steps {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.steps img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; }
.steps figcaption { flex-direction: column; gap: 2px; }
@media (max-width: 760px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ==========================================================================
   Device compatibility
   ========================================================================== */

/* Keep content clear of the notch / Dynamic Island in landscape (viewport-fit=cover) */
.container {
  padding-left: max(var(--gutter), env(safe-area-inset-left));
  padding-right: max(var(--gutter), env(safe-area-inset-right));
}
.footer { padding-bottom: max(48px, env(safe-area-inset-bottom)); }

/* Browsers without color-mix() (Safari < 16.2) get a solid bar instead */
@supports not (background: color-mix(in srgb, red 50%, transparent)) {
  .nav { background: var(--paper); }
}

/* Touch screens: no hover-only motion, and bigger tap targets */
@media (hover: none) {
  .work-item:hover .work-item__title,
  .next:hover .next__title { transform: none; }
  .work-item:hover .work-item__media > * { transform: none; }
  .socials a, .nav__links a { padding-block: 8px; }
}

/* Very small phones (iPhone SE, older Android) */
@media (max-width: 360px) {
  body { font-size: 16px; }
}


@media (max-width: 600px) {
  .phones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.steps figure.is-chosen figcaption .mono { color: var(--signal-ink); }

.hero > .container > .hero__lede { margin-top: clamp(40px, 6vw, 72px); }

/* ---------- Light / dark switch ---------- */

.theme-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: none;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.theme-toggle:hover { border-color: var(--rule-strong); color: var(--ink); }
.theme-toggle svg {
  position: absolute;
  width: 16px;
  height: 16px;
  transition: transform 0.5s var(--bounce), opacity 0.25s ease;
}
/* Light: show the moon (tap for dark). Dark: show the sun (tap for light). */
.theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
:root[data-theme="dark"] .theme-toggle .icon-sun { opacity: 1; transform: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { opacity: 1; transform: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }
}

/* Cross-fade the whole page when the theme changes (where supported) */
::view-transition-old(root),
::view-transition-new(root) { animation-duration: 0.35s; }

/* Windows High Contrast / forced colors: keep controls visible */
@media (forced-colors: active) {
  .theme-toggle { border: 1px solid ButtonText; }
}

/* ---------- Any device ---------- */

/* Big desktop displays: let the layout breathe instead of floating in empty space */
@media (min-width: 1800px) {
  :root { --content: 1480px; }
  body { font-size: 18px; }
}

/* Phones held sideways (short, wide screens): tame the giant type */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding: 48px 0; }
  .hero__title, .cs-title { font-size: clamp(48px, 9vw, 96px); }
  .section { padding: 64px 0; }
  .chapter__label { position: static; }
}
@media (max-width: 600px) {
  .nav__inner { gap: 10px; }
}

/* App Store link on project pages */
.store-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-top: 32px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.4s var(--bounce);
}
.store-button:hover { transform: translateY(-2px); }
