:root {
  --bg: #000;
  --text: rgba(255, 255, 255, 0.9);
  --muted: rgba(255, 255, 255, 0.72);
  --white: #fff;
  --highlight: #feb24a;
  --gutter: clamp(24px, 7vw, 120px);
  --max-width: 1467px;
}

* { box-sizing: border-box; }

html { overflow-x: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(16px, 1.28vw, 27px);
  line-height: 1.28;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

/* ─────────────────────────────────────────────
   Page transitions (driven by transitions.js)
   Only active when JS adds .js-transitions, so the
   page is never hidden if scripts fail to run.
───────────────────────────────────────────── */
.js-transitions body {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.js-transitions body.is-loaded {
  opacity: 1;
  transform: translateY(0);
}

.js-transitions body.is-leaving {
  opacity: 0;
  transform: translateY(-12px);
}

@media (prefers-reduced-motion: reduce) {
  .js-transitions body,
  .js-transitions body.is-loaded,
  .js-transitions body.is-leaving {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

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

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

.site-header,
main,
.site-footer {
  width: min(calc(100% - (var(--gutter) * 2)), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding-top: clamp(30px, 3vw, 52px);
}

.logo img { width: clamp(140px, 11vw, 248px); }

.main-nav {
  display: flex;
  gap: clamp(32px, 3.2vw, 58px);
  font-size: clamp(16px, 1.1vw, 21px);
  color: var(--white);
}

.main-nav a { padding-bottom: 5px; }
.main-nav a.active { border-bottom: 1px solid var(--highlight); }

.social-links {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.4vw, 26px);
}

.social-links img { width: clamp(18px, 1.35vw, 34px); }

.hero {
  max-width: 1150px;
  padding-top: clamp(100px, 10vw, 173px);
  padding-bottom: clamp(90px, 8vw, 144px);
}

h1 {
  margin: 0;
  color: var(--white);
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(56px, 6.62vw, 113px);
  font-style: italic;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0;
}

.tagline {
  margin: -0.08em 0 0;
  color: var(--white);
  font-family: Inter, sans-serif;
  font-size: clamp(24px, 2.35vw, 40px);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.tagline span,
.highlight { color: var(--highlight); }

.intro {
  max-width: 1120px;
  margin: clamp(38px, 3vw, 54px) 0 0;
  color: var(--muted);
}

.case-studies {
  display: grid;
  gap: clamp(76px, 6vw, 104px);
  padding-bottom: clamp(110px, 9vw, 160px);
}

.case-card {
  display: grid;
  grid-template-columns: minmax(260px, 400px) 1fr;
  gap: clamp(64px, 5vw, 84px);
  align-items: center;
}

.case-image-link img { border: 1px solid rgba(255, 255, 255, 0.55); }

.case-content { max-width: 930px; }

.eyebrow {
  margin: 0 0 0.1em;
  color: var(--white);
  font-size: clamp(19px, 1.6vw, 27px);
  font-weight: 800;
  line-height: 1;
}

.case-content h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(45px, 4.35vw, 74px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.case-subtitle {
  margin: clamp(22px, 1.8vw, 32px) 0 0;
  color: var(--white);
  font-size: clamp(22px, 1.95vw, 34px);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.case-content p:not(.eyebrow):not(.case-subtitle) {
  margin: 0.32em 0 0;
  color: var(--muted);
}

.button-link {
  display: inline-flex;
  margin-top: clamp(18px, 1.2vw, 24px);
  padding: 4px 12px 5px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  color: var(--white);
  font-size: clamp(15px, 1.18vw, 20px);
  line-height: 1.1;
}

.button-link:hover,
.button-link:focus-visible {
  border-color: var(--highlight);
  color: var(--highlight);
  outline: none;
}

.site-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(22px, 2vw, 36px);
  padding-bottom: clamp(40px, 3.8vw, 66px);
  color: var(--white);
  font-size: clamp(15px, 1vw, 21px);
}

.site-footer p { margin: 0; }

.placeholder-page {
  min-height: 70vh;
  padding-block: clamp(120px, 12vw, 210px);
}
.placeholder-page h1 { margin-bottom: 32px; }
.placeholder-page p { max-width: 850px; color: var(--muted); }

/* Case study pages */
.case-study-page {
  padding-top: clamp(92px, 8vw, 144px);
  padding-bottom: clamp(110px, 10vw, 180px);
}

.case-hero {
  display: grid;
  gap: clamp(28px, 3vw, 52px);
  max-width: 1280px;
  padding-bottom: clamp(72px, 7vw, 128px);
}

.case-logo-text {
  color: var(--text);
  font-family: Inter, sans-serif;
  font-size: clamp(24px, 1.9vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.03em;
}

.case-kicker {
  margin: 0;
  color: var(--white);
  font-size: clamp(28px, 2.9vw, 50px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

.case-dek {
  max-width: 1220px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.45vw, 25px);
  line-height: 1.5;
}

.case-overview {
  display: grid;
  gap: clamp(34px, 4vw, 64px);
  max-width: 1280px;
  padding-bottom: clamp(74px, 7vw, 128px);
}

.role-callout,
.pull-quote,
.problem-frame {
  margin: 0;
  border: 0;
  border-left: 8px solid var(--highlight);
  padding: 0 0 0 clamp(26px, 3vw, 48px);
}

.role-callout p,
.pull-quote p,
.problem-frame p {
  margin: 0;
  color: var(--text);
  font-size: clamp(24px, 1.9vw, 32px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.pull-quote cite {
  display: block;
  margin-top: 20px;
  color: var(--muted);
  font-style: normal;
  font-size: clamp(15px, 1.05vw, 20px);
  line-height: 1.45;
}

.case-body {
  display: grid;
  gap: 0;
  margin-inline: calc(50% - 50vw);
}

.case-section {
  padding: clamp(84px, 8vw, 140px) max(var(--gutter), calc((100vw - var(--max-width)) / 2));
}

.case-section:nth-child(odd) { background: #33302b; }
.case-section:nth-child(even) { background: #000; }

.section-label {
  margin: 0 0 clamp(8px, 0.8vw, 14px);
  color: var(--text);
  font-size: clamp(28px, 2.95vw, 50px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.section-content {
  display: grid;
  gap: clamp(28px, 3vw, 52px);
  max-width: 1280px;
}

.section-content h2,
.section-content h3 {
  margin: 0;
  color: var(--white);
  letter-spacing: 0;
}

.section-content h2 {
  font-size: clamp(19px, 1.65vw, 28px);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.section-content h3 {
  margin-top: clamp(8px, 1vw, 18px);
  font-size: clamp(24px, 2.05vw, 36px);
  font-weight: 600;
  line-height: 1.2;
}

.copy-block {
  display: grid;
  gap: clamp(18px, 1.8vw, 30px);
}

.copy-block p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.28vw, 24px);
  line-height: 1.5;
}

.copy-block ul {
  margin: 0;
  padding-left: 1.1em;
  color: var(--muted);
  font-size: clamp(17px, 1.28vw, 24px);
  line-height: 1.55;
}

.copy-block li + li { margin-top: 0.28em; }

.media-block {
  display: grid;
  gap: 14px;
  margin: 0;
}

.media-block img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
}

.media-block figcaption {
  color: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(14px, 1.17vw, 20px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

/* Smaller, centered media (e.g. a demo clip that shouldn't span full width) */
.media-block--centered img {
  max-width: 640px;
  margin-inline: auto;
}

.media-block--centered figcaption {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.split-copy-media {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 4vw, 70px);
  align-items: start;
}

/* Narrow, tall media (e.g. stacked wireframe cards) sits beside text
   without dominating the row. Text takes the larger share. */
.split-copy-media--narrow-media {
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
}

.split-copy-media--narrow-media .media-block img {
  width: 100%;
  max-width: 300px;
  margin-inline: auto;
}

/* Wider media inside a narrow-media split (e.g. a dense system overview) */
.split-copy-media--narrow-media .media-block--wide img {
  max-width: 600px;
}

/* Media on the left, text on the right; narrow media that shouldn't dominate */
.split-copy-media--media-left {
  grid-template-columns: minmax(260px, 0.92fr) minmax(0, 1.08fr);
}

.split-copy-media--media-left .media-block img {
  width: 100%;
  max-width: 560px;
}

/* Concept cards stacked vertically in the media column */
.concept-stack {
  display: grid;
  gap: clamp(24px, 2.4vw, 40px);
}

/* Stacked concepts use the full media column, overriding the narrow cap */
.split-copy-media--narrow-media .concept-stack .media-block img {
  max-width: 100%;
}

.iteration-grid,
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.4vw, 40px);
  align-items: start;
}

/* Key Findings — three text cards side by side */
.findings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2vw, 36px);
  align-items: start;
}

.finding-card {
  padding: clamp(22px, 1.8vw, 32px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-top: 3px solid var(--highlight);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
}

.finding-card h4 {
  margin: 0 0 clamp(12px, 1vw, 18px);
  color: var(--white);
  font-size: clamp(20px, 1.6vw, 28px);
  font-weight: 600;
  line-height: 1.2;
}

.finding-card p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.1vw, 19px);
  line-height: 1.5;
}

.next-project {
  margin-top: clamp(90px, 9vw, 160px);
  padding-top: clamp(42px, 4vw, 72px);
  border-top: 1px solid rgba(255,255,255,.18);
  display: flex;
  justify-content: space-between;
  gap: 32px;
  color: var(--white);
}

.next-project span {
  display: block;
  color: var(--highlight);
  font-size: clamp(14px, 1vw, 18px);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.next-project strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(28px, 3vw, 52px);
  font-weight: 500;
}

/* ── About page ─────────────────────────────── */
.about-title {
  margin: 0 0 clamp(40px, 5vw, 80px);
  color: var(--white);
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(56px, 6vw, 104px);
  font-style: italic;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(48px, 6vw, 110px);
  align-items: start;
}

.about-copy {
  gap: clamp(22px, 2vw, 34px);
}

.about-copy p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.45vw, 26px);
  line-height: 1.6;
}

.about-portrait {
  margin: 0;
}

.about-portrait img {
  width: 100%;
  border-radius: 8px;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — ordered large → small so the
   mobile-first cascade resolves predictably
═══════════════════════════════════════════════ */

/* ── Tablets & below ────────────────────────── */
@media (max-width: 900px) {
  /* All two-column copy/media splits stack vertically */
  .split-copy-media,
  .split-copy-media--narrow-media,
  .split-copy-media--media-left {
    grid-template-columns: 1fr;
  }

  /* When stacked, contained media centers under the text */
  .split-copy-media .media-block img,
  .split-copy-media--narrow-media .media-block img,
  .split-copy-media--narrow-media .media-block--wide img,
  .split-copy-media--media-left .media-block img {
    max-width: 480px;
    margin-inline: auto;
  }

  /* Three-up grids step down to two columns before going single */
  .iteration-grid,
  .concept-grid,
  .findings-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-portrait {
    order: -1;
    max-width: 420px;
  }
}

/* ── Large phones / small tablets ───────────── */
@media (max-width: 760px) {
  .site-header {
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: 16px;
    row-gap: 22px;
  }

  /* Logo left, social right on row 1; nav full-width on row 2 */
  .social-links { grid-column: 2; grid-row: 1; }

  .main-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
  }

  .case-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .case-image-link img { width: min(100%, 400px); }

  .site-footer { justify-content: flex-start; }

  /* Larger touch targets for social icons on touch devices */
  .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
  }
}

/* ── Phones ─────────────────────────────────── */
@media (max-width: 620px) {
  /* Single column everywhere on phones */
  .iteration-grid,
  .concept-grid,
  .findings-grid {
    grid-template-columns: 1fr;
  }

  .concept-stack { gap: 28px; }

  /* Tighten vertical rhythm so sections don't feel sparse on small screens */
  .case-section {
    padding-top: clamp(56px, 14vw, 84px);
    padding-bottom: clamp(56px, 14vw, 84px);
  }

  .case-study-page {
    padding-top: clamp(64px, 16vw, 96px);
  }
}

/* ── Small phones ───────────────────────────── */
@media (max-width: 480px) {
  body { font-size: clamp(15px, 4vw, 17px); }

  /* Rein in the large display type so it never overflows narrow screens */
  h1 { font-size: clamp(40px, 12vw, 52px); }
  .tagline { font-size: clamp(21px, 6vw, 26px); }
  .about-title { font-size: clamp(38px, 11vw, 48px); }
  .case-kicker { font-size: clamp(24px, 7vw, 30px); }
  .case-content h2 { font-size: clamp(38px, 11vw, 46px); }
  .section-label { font-size: clamp(26px, 8vw, 34px); }

  .role-callout p,
  .pull-quote p,
  .problem-frame p { font-size: clamp(20px, 5.5vw, 24px); }

  .role-callout,
  .pull-quote,
  .problem-frame {
    border-left-width: 5px;
    padding-left: 18px;
  }

  /* Comfortable tap target for the case-study button */
  .button-link {
    padding: 9px 16px 10px;
    font-size: 16px;
  }

  /* Stack the next-project link instead of spreading it edge to edge */
  .next-project {
    flex-direction: column;
    gap: 6px;
  }

  .next-project strong { font-size: clamp(26px, 8vw, 36px); }

  /* Let centered/contained media fill the narrow viewport */
  .media-block--centered img,
  .split-copy-media--media-left .media-block img,
  .split-copy-media--narrow-media .media-block img,
  .split-copy-media--narrow-media .media-block--wide img {
    max-width: 100%;
  }
}