/* ============================================
   JZSUN.ME — SHARED STYLESHEET
   ============================================

   TABLE OF CONTENTS
   -----------------------------------------
   1.  RESET & BASE
   2.  CSS VARIABLES
   3.  TYPOGRAPHY SCALE
   4.  LAYOUT UTILITIES
   5.  NAVIGATION
   6.  PAGE HERO — HOMEPAGE
   7.  TYPED.JS CODE BLOCK
   8.  FEATURED WORK — SECTION
   9.  FEATURED WORK — CARDS
   10. PROJECTS PAGE
   11. CASE STUDY PAGES
   12. ABOUT PAGE
   13. FOOTER
   14. TIPPY.JS TOOLTIP THEME
   15. RESPONSIVE — TABLET (≤ 991px)
   16. RESPONSIVE — MOBILE (≤ 768px)
   17. RESPONSIVE — SMALL MOBILE (≤ 568px)
   18. RESPONSIVE — VERY SMALL (≤ 479px)
   ============================================ */


/* ============================================
   1. RESET & BASE
   ============================================ */

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

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}


/* ============================================
   2. CSS VARIABLES
   ============================================ */

:root {
  /* — Colors — */
  --color-bg:               #ffffff;
  --color-bg-card:          #f8f9f7;
  --color-bg-divider:       #e5e5e5;

  --color-text-primary:     #4a4849;
  --color-text-secondary:   #666c6b;
  --color-text-muted:       #767676;
  --color-text-faint:       #cdcdcd;

  --color-accent-teal:      #284c4c;
  --color-accent-teal-mid:  #427e7e;
  --color-accent-blue-gray: #749eaf;
  --color-accent-rose:      #a45e5f;

  --color-nav-link:         #4a4849;
  --color-nav-active:       #284c4c;

  --color-tooltip-bg:       #efefec;
  --color-tooltip-text:     #4a4a4a;

  /* — Typography — */
  --font-body:   'Instrument Sans', Arial, sans-serif;
  --font-serif:  'Instrument Serif', Georgia, serif;
  --font-mono:   'Inconsolata', 'Courier New', monospace;

  /* — Font sizes (fluid) — */
  --text-xs:    12px;
  --text-sm:    13px;
  --text-sm-md: 15px;
  --text-base:  clamp(15px, 0.875rem + 0.25vw, 17px);
  --text-md:    clamp(16px, 0.9rem + 0.35vw, 19px);
  --text-lg:    clamp(17px, 0.95rem + 0.45vw, 21px);
  --text-xl:    clamp(18px, 1rem + 0.55vw, 23px);
  --text-2xl:   clamp(19px, 1rem + 0.75vw, 26px);
  --text-3xl:   clamp(20px, 1rem + 1.1vw, 30px);
  --text-4xl:   clamp(22px, 1rem + 1.4vw, 34px);
  --text-5xl:   clamp(24px, 1rem + 1.6vw, 38px);

  /* — Spacing — */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   40px;
  --space-2xl:  60px;
  --space-3xl:  80px;
  --space-4xl:  100px;

  /* — Layout — */
  --container-max:     1200px;
  --container-content: 860px;
  --container-narrow:  700px;
  --page-padding-x:    clamp(16px, 1rem + 2vw, 40px);

  /* — Radius — */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  /* — Shadows — */
  --shadow-card:       0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-nav:        0 1px 0 rgba(0, 0, 0, 0.06);
  --shadow-section:    0 -10px 20px -10px rgba(0, 0, 0, 0.06);

  /* — Transitions — */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}


/* ============================================
   3. TYPOGRAPHY SCALE
   ============================================ */

/* Category label — e.g. "USABILITY TESTING", "FEATURED WORK" */
.label--category {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Card tag line — e.g. "PM CONCEPT · FEATURE IDEATION" */
.label--tags {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent-rose);
  line-height: 1.5;
}

/* Section subheading — e.g. "Case Studies", "Design Work" */
.heading--section {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Page title — used on case study pages */
.heading--page-title {
  font-family: var(--font-body);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  text-align: center;
}

/* Case study section heading — serif */
.heading--section-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-md);
}

/* Project entry italic question */
.text--project-question {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.6;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-md);
}

/* Standard body paragraph */
.text--body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

/* Muted date / meta text */
.text--meta {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.5;
  text-align: center;
}

/* Caption text */
.text--caption {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  text-align: center;
}

/* Inline links within body text */
.link--inline {
  color: var(--color-accent-rose);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.link--inline:hover {
  color: var(--color-accent-teal);
}

/* Teal inline links */
.link--inline-teal {
  color: var(--color-accent-teal-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* External arrow link — subtle underline style */
.link--arrow {
  color: var(--color-text-primary);
  font-size: var(--text-base);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.link--arrow:hover {
  color: var(--color-accent-teal);
}

/* "View All Projects ›" style links */
.link--cta {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.link--cta:hover {
  color: var(--color-accent-teal);
  text-decoration: underline;
  text-underline-offset: 2px;
}


/* ============================================
   4. LAYOUT UTILITIES
   ============================================ */

.page-wrapper {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-padding-x);
  padding-right: var(--page-padding-x);
}

.content-wrapper {
  width: 100%;
  max-width: var(--container-content);
  margin-left: auto;
  margin-right: auto;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-bg-divider);
  margin: var(--space-2xl) auto;
  width: 100%;
  max-width: var(--container-content);
}

.two-col {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.two-col--half > * {
  flex: 1;
}

.centered {
  text-align: center;
}

.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* Visually hidden — readable by screen readers, invisible on screen */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip navigation — appears on keyboard focus */
.skip-nav {
  position: absolute;
  top: -100%;
  left: var(--page-padding-x);
  background: var(--color-accent-teal);
  color: #ffffff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-nav:focus {
  top: var(--space-sm);
}

/* Global focus ring — keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-accent-teal);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}


/* ============================================
   5. NAVIGATION
   ============================================ */

.nav {
  width: 100%;
  background-color: transparent;
  padding: var(--space-lg) var(--page-padding-x);
  position: relative;
  z-index: 100;
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo — image-based */
.nav__logo {
  display: block;
  line-height: 1;
  text-decoration: none;
}

.nav__logo img {
  height: 120px;
  width: auto;
  display: block;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-nav-link);
  text-decoration: none;
  padding: var(--space-xs) var(--space-md);
  letter-spacing: 0.25px;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.nav__link--active {
  color: var(--color-nav-active);
  font-weight: 700;
}

/* Mobile hamburger — hidden on desktop */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__toggle-bar {
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}


/* ============================================
   6. PAGE HERO — HOMEPAGE
   ============================================ */

.hero {
  padding: var(--space-2xl) var(--page-padding-x) var(--space-xl);
  min-height: 520px;
  display: flex;
  align-items: flex-start;
}

.hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

/* Mobile hero — editorial layout, hidden on desktop */
.hero__mobile {
  display: none;
}

.hero__mobile-statement {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.35;
  max-width: 540px;
  margin-bottom: var(--space-lg);
}

.hero__mobile-accent {
  color: var(--color-accent-teal);
  font-style: italic;
}

.hero__mobile-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero__mobile-name {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text-primary);
}

.hero__mobile-role {
  font-family: var(--font-body);
  font-size: var(--text-sm-md);
  color: var(--color-text-muted);
}


/* ============================================
   7. TYPED.JS CODE BLOCK
   ============================================ */

#typed-container {
  padding: 10px 0 10px clamp(16px, 5vw + 4rem, 200px);
}

#typed {
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.5rem + 1.2vw, 17px);
  line-height: 1.8;
  color: var(--color-text-muted);  /* #767676 — muted for regular code text */
  white-space: pre;
}

/* Bold/quoted values get the primary dark color */
#typed strong,
#typed b {
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Typed.js cursor matches muted text */
.typed-cursor {
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.5rem + 1.2vw, 17px);
  color: var(--color-text-muted);
  opacity: 1;
  animation: typed-blink 0.7s infinite;
}

@keyframes typed-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Hidden strings source element */
#typed-strings {
  display: none;
}


/* ============================================
   8. FEATURED WORK — SECTION
   ============================================ */

.featured-work {
  padding: var(--space-3xl) var(--page-padding-x) var(--space-lg);
  box-shadow: var(--shadow-section);  /* inward top shadow separating hero */
}

.featured-work__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.featured-work__heading {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
}

/* Two-column grid: Case Studies | Design Work */
.featured-work__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-xl);
}

.featured-work__column-heading {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

/* "View All Projects ›" row */
.featured-work__footer {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
}


/* ============================================
   9. FEATURED WORK — CARDS
   ============================================ */

.card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 40px);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.card:hover {
  transform: translateY(-3px);
}

/* Title row: text + external icon */
.card__title-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.card__title {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-text-primary);
  line-height: 1.4;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

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

/* External link icon — decorative span, aria-hidden */
.card__title-external {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1;
  position: relative;
  top: -2px;
}

/* Tag line */
.card__tags {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent-rose);
  line-height: 1.5;
}

/* Description */
.card__description {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.6;
}


/* ============================================
   10. PROJECTS PAGE
   ============================================ */

.project-list {
  list-style: none;
}

.project-list:hover .project-entry {
  opacity: 0.2;
}

.project-entry {
  border-bottom: 1px solid var(--color-bg-divider);
  padding: var(--space-xl) 0;  /* was var(--space-lg) */
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  transition: opacity 300ms ease;
  position: relative;
  cursor: none;
}

.project-entry::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-accent-teal);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 2px;
}

.project-list:hover .project-entry:hover::before {
  transform: scaleY(1);
}

.project-entry:first-child {
  border-top: 1px solid var(--color-bg-divider);
}

.project-list:hover .project-entry:hover {
  opacity: 1;
}

.project-entry__num {
  font-family: var(--font-mono);
  font-size: clamp(48px, 3rem + 2vw, 72px);
  font-weight: 400;
  color: var(--color-text-primary);
  opacity: 0.06;
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
  user-select: none;
  letter-spacing: -1px;
}

.project-entry__content {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.project-entry__title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  letter-spacing: -0.2px;
}

.project-entry__title:hover {
  color: var(--color-accent-teal);
}

.project-entry__tags {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent-rose);
  flex-shrink: 0;
}

/* ---- Archives ---- */
.archives {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
}

.archives__heading {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.archives__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  list-style: none;
}

.archives__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.archives__item::before {
  content: '›';
  color: var(--color-text-muted);
  font-size: var(--text-base);
  position: relative;
  top: -1px;
}

.archives__link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.archives__link:hover {
  color: var(--color-accent-teal);
  text-decoration: underline;
  text-underline-offset: 2px;
}


/* ============================================
   11. CASE STUDY PAGES
   ============================================ */

.case-study {
  padding: var(--space-3xl) var(--page-padding-x) var(--space-2xl);
}

.case-study__header {
  max-width: var(--container-content);
  margin: 0 auto var(--space-3xl);
}

.case-study__header-split {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3xl);
  align-items: start;
}

.case-study__header-right {
  font-family: var(--font-mono);
  font-size: var(--text-sm-md);
  color: var(--color-text-muted);
  line-height: 2;
  text-align: right;
  white-space: nowrap;
  padding-top: 2px;
}

.case-study__meta-list dt,
.case-study__meta-list dd {
  display: block;
  margin: 0;
}

.case-study__meta-list dt {
  /* visually-hidden labels handled by .visually-hidden class */
}

.case-study__meta-list dd + dt {
  margin-top: 0;
}

.case-study__category {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-rose);
  margin-bottom: var(--space-sm);
}

.case-study__hook {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: var(--space-sm);
}

.case-study__credit {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.case-study__pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.case-study__pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-bg-divider);
  border-radius: 20px;
  padding: 3px 10px;
  letter-spacing: 0.5px;
}

.case-study__callout {
  border-left: 2px solid var(--color-accent-rose);
  background-color: var(--color-bg-card);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xl) 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.case-study__callout-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.7;
}

.case-study__image-grid--2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.case-study__figma-embed {
  width: 85%;
  margin: 0 auto var(--space-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-bg-divider);
}

.case-study__figma-embed iframe {
  display: block;
  width: 100%;
  height: 600px;
  border: none;
}

.case-study__scroll-gallery {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  padding-bottom: var(--space-md);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-xl) 0 var(--space-sm);
}

.case-study__scroll-gallery:focus {
  outline: 2px solid var(--color-accent-teal);
  outline-offset: 4px;
}

.case-study__scroll-gallery:focus:not(:focus-visible) {
  outline: none;
}

.case-study__scroll-gallery::-webkit-scrollbar {
  height: 3px;
}

.case-study__scroll-gallery::-webkit-scrollbar-track {
  background: var(--color-bg-card);
  border-radius: 2px;
}

.case-study__scroll-gallery::-webkit-scrollbar-thumb {
  background: var(--color-bg-divider);
  border-radius: 2px;
}

.case-study__scroll-item {
  flex: 0 0 auto;
  height: 320px;
  width: auto;
  scroll-snap-align: start;
  border-radius: var(--radius-sm);
  display: block;
  object-fit: cover;
}

.case-study__next-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: var(--container-content);
  margin: var(--space-3xl) auto 0;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-bg-divider);
}

.case-study__next-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  text-decoration: none;
}

.case-study__next-item--next {
  text-align: right;
}

.case-study__next-dir {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.case-study__next-title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.case-study__next-item:hover .case-study__next-title {
  color: var(--color-accent-teal);
}

.case-study__title {
  font-family: var(--font-body);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.case-study__date {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.case-study__section {
  max-width: var(--container-content);
  margin: 0 auto var(--space-3xl);
}

.case-study__section-heading {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.case-study__subsection-heading {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-sm);
  margin-top: var(--space-xl);
}

.case-study__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.case-study__list {
  list-style: decimal;
  padding-left: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.case-study__list--bullet {
  list-style: disc;
}

.case-study__list-item {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.7;
}

.case-study__link-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.case-study__link-list a {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-accent-teal);
  text-decoration: none;
  line-height: 1.7;
  transition: color var(--transition-fast);
}

.case-study__link-list a:hover {
  color: var(--color-text-primary);
}

.case-study__link-list a i {
  font-size: 0.75em;
  margin-left: 0.3em;
}

.case-study__meta-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.case-study__meta-col-heading {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.case-study__image {
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  width: 100%;
}

.case-study__image-caption {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-md);
}

.case-study__ext-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
  margin-top: var(--space-sm);
}

.case-study__ext-link:hover {
  color: var(--color-accent-teal);
  font-weight: 700;
}


/* ============================================
   12. ABOUT PAGE
   ============================================ */

.about-page {
  padding: var(--space-3xl) var(--page-padding-x) var(--space-2xl);
}

.about-page__inner {
  max-width: var(--container-content);
  margin: 0 auto;
}

/* Byline — small photo + name/role + resume */
.about-page__byline {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.about-page__photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  box-shadow:
    0 8px 32px rgba(74, 72, 73, 0.2),
    0 2px 8px rgba(74, 72, 73, 0.12);
}

.about-page__byline-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.about-page__name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.about-page__role {
  font-family: var(--font-mono);
  font-size: var(--text-sm-md);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.about-page__resume-link {
  margin-top: var(--space-sm);
}

/* Prose blocks */
.about-page__blocks {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about-page__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm-md);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
}

.about-page__prose {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.7;
}

/* Icon list — "otherwise" section */
.about-page__icon-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-page__icon-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.6;
}

.about-page__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-accent-teal);
  image-rendering: pixelated;
}


/* ============================================
   13. FOOTER
   ============================================ */

.footer {
  padding: var(--space-xl) var(--page-padding-x) var(--space-xl);
  margin-top: var(--space-lg);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-bg-divider);
  padding-top: var(--space-xl);
}

/* Minimal footer variant — copyright only, no icons */
.footer--minimal {
  margin-top: var(--space-xl);
  padding: 0 var(--page-padding-x) var(--space-lg);
}

.footer__inner--minimal {
  border-top: none;
  padding-top: 0;
}

.footer__icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(var(--space-3xl) + var(--space-lg));    
  margin-bottom: var(--space-lg);  
  padding-top: var(--space-xl);    
}

.footer__icon-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__icon-link:hover {
  color: var(--color-text-muted);
  animation: icon-jiggle 0.4s ease;
}

@keyframes icon-jiggle {
  0%   { transform: rotate(0deg); }
  20%  { transform: rotate(-10deg); }
  40%  { transform: rotate(10deg); }
  60%  { transform: rotate(-6deg); }
  80%  { transform: rotate(6deg); }
  100% { transform: rotate(0deg); }
}

.footer__icon-fa {
  font-size: 28px;
  color: inherit;
  line-height: 1;
}

.footer__icon-label {
  font-family: var(--font-body);
  font-size: var(--text-sm-md);
  color: inherit;
  line-height: 1.5;
}

.footer__copyright {
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  line-height: 1.5;
  margin-top: calc(var(--space-3xl) + var(--space-md));
  padding-bottom: var(--space-sm);
  cursor: default;
  position: relative;
}

.footer__copyright--default,
.footer__copyright--hover {
  transition: opacity 400ms ease;
}

.footer__copyright--hover {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  white-space: nowrap;
}

.footer__copyright:hover .footer__copyright--default {
  opacity: 0;
}

.footer__copyright:hover .footer__copyright--hover {
  opacity: 1;
  transform: translateX(-50%);
}


/* ============================================
   14. TIPPY.JS TOOLTIP THEME
   ============================================ */

.tippy-box[data-theme~='tipbox'] {
  background-color: var(--color-tooltip-bg);
  color: var(--color-tooltip-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.tippy-box[data-theme~='tipbox'] > .tippy-svg-arrow {
  fill: var(--color-tooltip-bg);
}

.tippy-box[data-theme~='tipbox'][data-placement^='right'] > .tippy-svg-arrow {
  transform: translateY(-50%) translateY(14px) !important;
}


/* ============================================
   15. RESPONSIVE — TABLET (≤ 991px)
   ============================================ */

@media (max-width: 991px) {

  .hero {
    min-height: auto;
  }

  .hero__inner {
    display: none;
  }

  .hero__mobile {
    display: block;
    max-width: var(--container-narrow);
    margin: 0 auto;
    width: 100%;
  }

  .featured-work__grid {
    grid-template-columns: 1fr;
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
  }

  .card {
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .case-study__meta-cols {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .case-study__header-split {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .case-study__header-right {
    text-align: left;
  }

  .project-entry__content {
    flex-direction: column;
    gap: var(--space-sm);
  }

}


/* ============================================
   16. RESPONSIVE — MOBILE (≤ 768px)
   ============================================ */

@media (max-width: 768px) {

  .nav__menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-nav);
    z-index: 99;
  }

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

  .nav__toggle {
    display: flex;
  }

  .nav__logo img {
    height: 80px;
  }

  .about-page__byline {
    flex-direction: column;
    text-align: center;
  }

  .about-page__photo {
    width: 120px;
    height: 120px;
  }

  .two-col {
    flex-direction: column;
  }

  .hero {
    padding-top: var(--space-xl);
    min-height: auto;
  }

  .case-study__image-grid--2col {
    grid-template-columns: 1fr;
  }

  .case-study__next-nav {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .case-study__next-item--next {
    text-align: left;
  }

  .case-study__figma-embed {
    width: 100%;
  }

  .case-study__figma-embed iframe {
    height: 400px;
  }

  .case-study__scroll-item {
    height: 220px;
  }

  .project-entry__num {
    width: 56px;
  }

  .project-entry__title {
    font-size: var(--text-lg);
  }

  .footer__icons {
    gap: var(--space-2xl);
  }
}


/* ============================================
   17. RESPONSIVE — SMALL MOBILE (≤ 568px)
   ============================================ */

@media (max-width: 568px) {

  .project-entry__num {
    display: none;
  }

  .case-study__scroll-item {
    height: 180px;
  }
}


/* ============================================
   18. RESPONSIVE — VERY SMALL (≤ 479px)
   ============================================ */

@media (max-width: 479px) {

  .nav__logo img {
    height: 60px;
  }

  .footer__icons {
    gap: var(--space-xl);
  }

  .case-study__figma-embed iframe {
    height: 280px;
  }
}