/* ==========================================================================
   Wisnu Wardhana — Portfolio
   Table of contents:
     01. Reset & base
     02. Tokens
     03. Base typography
     04. Skip link
     05. Signature utilities
     06. Layout
     07. Reveal animation
     08. Header (anti-jitter)
     09. Drawer nav (mobile)
     10. Desktop nav
     11. Hero
     12. CTA buttons
     13. Currently band
     14. Section head
     15. Project
     16. Notes (home)
     17. About
     18. Contact (inverse panel)
     19. Sub-pages
     20. Notes list
     21. Now list
     22. Page foot
     23. Reduced motion
     24. Responsive overrides
   ========================================================================== */

/* ==========================================================================
   01. Reset & base
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ol, ul {
  margin: 0;
}
ol, ul { padding: 0; list-style: none; }
img, picture, svg, video { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

[hidden] { display: none !important; }

/* ==========================================================================
   02. Tokens
   ========================================================================== */

:root {
  --bg:            #FFFFFF;
  --ink:           #19213C;
  --muted:         #76777C;
  --rule:          #DBE0E8;

  --marker:        #1E3AD9;
  --pen:           #1E3AD9;

  --inverse-bg:    #0B1A4D;
  --inverse-ink:   #FFFFFF;
  --inverse-muted: #8A94B8;
  --inverse-rule:  #1A2A66;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Instrument Sans", -apple-system, BlinkMacSystemFont,
           "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --page-max: 1440px;
  --page-pad: clamp(1.25rem, 4vw, 4rem);

  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --shadow: 6px 6px 0 var(--marker);
}

/* ==========================================================================
   03. Base typography
   ========================================================================== */

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--pen);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ==========================================================================
   04. Skip link
   ========================================================================== */

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: top 220ms var(--ease);
  box-shadow: 0 6px 20px rgba(25, 33, 60, 0.18);
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 1rem;
  outline: 2px solid var(--marker);
  outline-offset: 3px;
}

/* ==========================================================================
   05. Signature utilities
   ========================================================================== */

.mark {
  padding: 0 0.06em;
  color: inherit;
  background-image: linear-gradient(var(--marker), var(--marker));
  background-repeat: no-repeat;
  background-size: 100% 0.42em;
  background-position: 0 82%;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.accent-line {
  color: inherit;
  padding-bottom: 0.08em;
  background-image: linear-gradient(var(--pen), var(--pen));
  background-repeat: no-repeat;
  background-size: 100% 0.15em;
  background-position: 0 92%;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.emark {
  display: inline-block;
  width: 0.14em;
  height: 1.15em;
  background: var(--pen);
  transform: skewX(-14deg);
  transform-origin: bottom left;
  border-radius: 0.05em;
  flex-shrink: 0;
  vertical-align: -0.16em;
}
.emark--tall {
  height: 1.55em;
  vertical-align: -0.28em;
}

.idx {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.125rem, 1.4vw, 1.375rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--pen);
}

/* ==========================================================================
   06. Layout
   ========================================================================== */

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

.section { padding-block: clamp(3.5rem, 8vw, 7.5rem); }

/* ==========================================================================
   07. Reveal animation
   ========================================================================== */

.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}
.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
}

.js-reveal [data-reveal] .mark {
  background-size: 0% 0.42em;
  transition: background-size 900ms var(--ease) 250ms;
}
.js-reveal [data-reveal].is-visible .mark {
  background-size: 100% 0.42em;
}

.js-reveal [data-reveal] .accent-line {
  background-size: 0% 0.15em;
  transition: background-size 900ms var(--ease) 250ms;
}
.js-reveal [data-reveal].is-visible .accent-line {
  background-size: 100% 0.15em;
}

/* ==========================================================================
   08. Header (anti-jitter)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: border-color 250ms var(--ease);
  isolation: isolate;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transition: opacity 250ms var(--ease);
  pointer-events: none;
  z-index: -1;
}

.site-header.is-scrolled {
  border-bottom-color: var(--rule);
}
.site-header.is-scrolled::before {
  opacity: 1;
}

body.nav-open .nav-toggle {
  visibility: hidden;
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  padding-block: clamp(0.75rem, 1.6vw, 1.1rem);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
  letter-spacing: -0.01em;
  white-space: nowrap;
  min-height: 44px;
  padding-block: 0.5rem;
  flex-shrink: 0;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.wordmark .emark {
  transition: transform 400ms var(--ease);
  transform-origin: bottom left;
}
.wordmark:hover .emark {
  transform: skewX(-14deg) rotate(-12deg) scale(1.1);
}
.wordmark__last { display: none; }

@media (min-width: 640px) {
  .wordmark__last { display: inline; }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: clamp(0.25rem, 1.5vw, 0.75rem);
  margin-left: auto;
}

.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.lang__btn {
  appearance: none;
  background: none;
  border: 0;
  padding: 0.5rem 0.25rem;
  min-height: 44px;
  min-width: 2.25rem;
  cursor: pointer;
  color: var(--muted);
  font: inherit;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color 180ms ease;
  position: relative;
}
.lang__btn:hover { color: var(--ink); }
.lang__btn.is-active { color: var(--ink); }
.lang__btn.is-active::after {
  content: "";
  position: absolute;
  left: 0.25rem;
  right: 0.25rem;
  bottom: 0.55rem;
  height: 2px;
  background: var(--pen);
}
.lang__sep {
  color: var(--rule);
  font-size: 0.75rem;
  user-select: none;
}

.nav-toggle {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  color: var(--ink);
  flex-shrink: 0;
  transition: visibility 0ms linear 0ms, opacity 200ms var(--ease);
}
.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 300ms var(--ease),
              opacity 200ms var(--ease);
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   09. Drawer nav (mobile)
   ========================================================================== */

.site-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(20rem, 85vw);
  background: var(--bg);
  border-left: 1px solid var(--rule);
  padding: 0;
  display: none;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 320ms var(--ease);
  z-index: 60;
  box-shadow: -12px 0 40px rgba(25, 33, 60, 0.08);
  overflow: hidden;
}
.site-nav.is-ready { display: flex; }
.site-nav.is-open { transform: translateX(0); }

.site-nav__scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: clamp(4.5rem, 12vw, 6rem) clamp(1.5rem, 4vw, 2rem) 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0.75rem 0.25rem 0.75rem 1.25rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  transition: color 180ms ease, padding-left 220ms var(--ease);
  position: relative;
}
.site-nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--pen);
  transform: translateY(-50%);
  transition: width 240ms var(--ease);
}
.site-nav a:hover {
  color: var(--pen);
  padding-left: 1.75rem;
}
.site-nav a:hover::before { width: 0.75rem; }

.site-nav a[aria-current] {
  color: var(--pen);
  padding-left: 1.75rem;
}
.site-nav a[aria-current]::before { width: 0.75rem; }

.nav-close {
  position: absolute;
  top: clamp(0.75rem, 2vw, 1.25rem);
  right: clamp(0.75rem, 2vw, 1.25rem);
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  z-index: 2;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}
.nav-close:hover {
  color: var(--pen);
  border-color: var(--pen);
  background: var(--bg);
}
.nav-close svg { display: block; }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 26, 77, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms var(--ease);
  z-index: 55;
}
.nav-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   10. Desktop nav
   ========================================================================== */

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-close { display: none; }

  .site-nav {
    position: static;
    width: auto;
    background: none;
    border: 0;
    padding: 0;
    display: flex;
    flex-direction: row;
    transform: none;
    box-shadow: none;
    margin-left: 0;
    order: 2;
    overflow: visible;
  }

  .site-nav__scroll {
    display: flex;
    flex-direction: row;
    gap: clamp(0.25rem, 1.5vw, 1.25rem);
    padding: 0;
    overflow: visible;
    flex: 0 0 auto;
    min-height: auto;
  }

  .site-nav a {
    display: inline-flex;
    min-height: 44px;
    padding: 0.5rem clamp(0.4rem, 1vw, 0.75rem);
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--muted);
    border-bottom: 0;
    transition: color 180ms ease;
  }
  .site-nav a:hover {
    color: var(--ink);
    padding-left: clamp(0.4rem, 1vw, 0.75rem);
  }
  .site-nav a::before { display: none; }
  .site-nav a::after {
    content: "";
    position: absolute;
    left: clamp(0.4rem, 1vw, 0.75rem);
    right: clamp(0.4rem, 1vw, 0.75rem);
    bottom: 0.85rem;
    height: 2px;
    background: var(--pen);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 300ms var(--ease);
  }
  .site-nav a:hover::after { transform: scaleX(1); }

  .site-nav a[aria-current] {
    color: var(--ink);
    padding-left: clamp(0.4rem, 1vw, 0.75rem);
  }
  .site-nav a[aria-current]::after {
    transform: scaleX(1);
  }

  .site-header__actions {
    margin-left: 0;
    order: 3;
  }
  .site-header__inner {
    gap: clamp(1rem, 2.5vw, 2rem);
  }
}

/* ==========================================================================
   11. Hero
   ========================================================================== */

.hero {
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2.75rem, 6vw, 5rem);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  flex-wrap: wrap;
  font-size: clamp(0.8125rem, 0.95vw, 0.875rem);
  color: var(--muted);
  padding-bottom: clamp(1.25rem, 2.5vw, 2rem);
  border-bottom: 1px solid var(--rule);
  width: 100%;
}
.hero__kicker .sep { color: var(--rule); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
  padding-block: clamp(2rem, 5vw, 4rem);
}

.hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  text-wrap: balance;
  font-variation-settings: "opsz" 100;
}

.hero__portrait {
  position: relative;
  background: var(--rule);
  align-self: start;
}
.hero__portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 22%;
  box-shadow: var(--shadow);
  transition: transform 800ms var(--ease);
}
.hero__portrait:hover img { transform: scale(1.02); }
.hero__portrait figcaption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--muted);
  padding-top: 0.75rem;
}

.hero__body {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  min-width: 0;
}

.hero__lead {
  max-width: 48ch;
  font-size: clamp(1.0625rem, 1.1vw, 1.1875rem);
  color: var(--muted);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  align-items: center;
}

/* ==========================================================================
   12. CTA buttons
   ========================================================================== */

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 44px;
  padding-block: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
}

.cta__text {
  border-bottom: 1.5px solid var(--pen);
  padding-bottom: 0.12em;
  transition: border-color 200ms ease;
}
.cta__arrow {
  display: inline-block;
  transition: transform 220ms var(--ease);
}
.cta:hover .cta__arrow { transform: translateX(4px); }
.cta:hover .cta__text { border-bottom-color: var(--ink); }

.cta--ghost .cta__text { border-bottom-color: var(--rule); }
.cta--ghost:hover .cta__text { border-bottom-color: var(--ink); }

.cta--light { color: var(--inverse-ink); }
.cta--light .cta__text { border-bottom-color: var(--marker); }
.cta--light:hover .cta__text { border-bottom-color: var(--inverse-ink); }

/* ==========================================================================
   13. Currently band
   ========================================================================== */

.band {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: clamp(1rem, 2vw, 1.5rem);
}
.band__inner {
  display: flex;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  flex-wrap: wrap;
}
.band__label {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--pen);
}
.band__text {
  font-size: clamp(0.9375rem, 1vw, 1.0625rem);
  color: var(--muted);
}
.band__text em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink);
}

/* ==========================================================================
   14. Section head
   ========================================================================== */

.section__head {
  display: grid;
  gap: 0.75rem;
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.875rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.section__intro {
  max-width: 52ch;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  color: var(--muted);
}

/* ==========================================================================
   15. Project
   ========================================================================== */

.project {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 1.75rem);
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--rule);
}
.project + .project { margin-top: clamp(3.5rem, 8vw, 6.5rem); }

.project__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}
.project__meta span:first-child {
  color: var(--ink);
  font-weight: 500;
}

.project__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.project__desc {
  max-width: 46ch;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  color: var(--muted);
}

.project__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
}

.project__media {
  background: var(--rule);
  overflow: hidden;
}
.project__media img {
  display: block;
  width: 100%;
  transition: transform 900ms var(--ease);
}
.project__media:hover img { transform: scale(1.015); }

.project__status {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--muted);
}

.shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.5rem, 1.5vw, 1.25rem);
}
.shots__item {
  background: var(--rule);
  overflow: hidden;
}
.shots__item img {
  display: block;
  width: 100%;
  transition: transform 700ms var(--ease);
}
.shots__item:hover img { transform: scale(1.04); }

/* ==========================================================================
   16. Notes (home)
   ========================================================================== */

.notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem) clamp(2rem, 4vw, 4rem);
}
.note {
  display: grid;
  gap: 0.5rem;
  padding-top: clamp(1.25rem, 2.5vw, 1.75rem);
  border-top: 1px solid var(--rule);
  position: relative;
}
.note::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 2.5rem; height: 1px;
  background: var(--pen);
}
.note__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.1875rem, 2vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.note__body {
  max-width: 46ch;
  color: var(--muted);
}

/* ==========================================================================
   17. About
   ========================================================================== */

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.about__lead {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 1.8vw, 1.25rem);
  min-width: 0;
}
.about__headline {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.875rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.about__body { max-width: 54ch; color: var(--muted); }

/* --- About: chart card --- */

.about__chart {
  background: #F9F8F5;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  display: grid;
  gap: clamp(0.75rem, 1.5vw, 1rem);
  align-self: start;
}

.about__chart-kicker {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.about__chart-media {
  position: relative;
  background: var(--rule);
  border-radius: 3px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.about__chart-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--muted);
  opacity: 0.55;
  pointer-events: none;
}

.about__chart-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about__chart-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8125rem;
  padding-top: 0.25rem;
}
.about__chart-meta > span:first-child {
  font-family: var(--serif);
  font-style: italic;
  color: var(--pen);
}
.about__chart-meta > span:last-child {
  color: var(--ink);
  font-weight: 500;
}

.about__chart-caption {
  font-family: var(--serif);
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
}

.timeline {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--rule);
}
.timeline__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.15rem;
  padding-block: clamp(0.9rem, 1.8vw, 1.15rem);
  border-bottom: 1px solid var(--rule);
}
.timeline__row dt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--pen);
}
.timeline__row dd { font-size: clamp(1rem, 1.1vw, 1.0625rem); }

/* ==========================================================================
   18. Contact (inverse panel)
   ========================================================================== */

.section--contact {
  background: var(--inverse-bg);
  color: var(--inverse-ink);
  padding-block: clamp(4rem, 9vw, 8rem) clamp(1.75rem, 4vw, 2.75rem);
}
.section--contact a:focus-visible { outline-color: var(--marker); }

.section--contact .emark { background: var(--marker); }

.section--contact .accent-line {
  background-image: linear-gradient(var(--marker), var(--marker));
}

.contact__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.9375rem;
  color: var(--inverse-muted);
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}
.contact__headline {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.25rem, 6.5vw, 4.5rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  text-wrap: balance;
  font-variation-settings: "opsz" 100;
}
.contact__desc {
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
  max-width: 48ch;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  color: var(--inverse-muted);
}
.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  align-items: center;
  margin-top: clamp(2rem, 4vw, 3rem);
}
.contact__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 2rem;
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
}
.contact__social li:has(a[hidden]) { display: none; }

.contact__social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 44px;
  padding-block: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--inverse-ink);
  border-bottom: 1.5px solid var(--inverse-rule);
  transition: border-color 200ms ease, color 200ms ease;
}
.contact__social a:hover {
  border-bottom-color: var(--marker);
  color: var(--marker);
}
.contact__social a svg {
  flex-shrink: 0;
  transition: transform 220ms var(--ease);
}
.contact__social a:hover svg {
  transform: translateY(-2px);
}

.contact__footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  border-top: 1px solid var(--inverse-rule);
  font-size: 0.8125rem;
  color: var(--inverse-muted);
}

/* ==========================================================================
   19. Sub-pages
   ========================================================================== */

.page-head {
  padding-block: clamp(1rem, 2vw, 1.5rem) clamp(2rem, 4vw, 3rem);
}

.back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--muted);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid var(--rule);
  background: transparent;
  transition: color 220ms ease,
              border-color 220ms ease,
              background-color 220ms ease,
              transform 220ms var(--ease);
}
.back:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--bg);
  transform: translateX(-3px);
}
.back svg {
  display: block;
  transition: transform 220ms var(--ease);
}
.back:hover svg {
  transform: translateX(-2px);
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}
.page-kicker__sep { color: var(--rule); }

.page-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
  max-width: 22ch;
  font-variation-settings: "opsz" 100;
}

.page-sub {
  margin-top: clamp(1rem, 2vw, 1.5rem);
  max-width: 56ch;
  font-size: clamp(1.0625rem, 1.1vw, 1.1875rem);
  color: var(--muted);
}

.meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--rule);
}
.meta-grid > div {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 0.4rem 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.meta-grid dt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--pen);
}
.meta-grid dd { font-size: 0.9375rem; color: var(--ink); }

@media (min-width: 900px) {
  .meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(2rem, 4vw, 4rem);
  }
}

.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1rem);
  padding-block: clamp(2rem, 4vw, 3.5rem);
}
.case h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-bottom: clamp(0.5rem, 1vw, 0.75rem);
}
.case__body { display: grid; gap: 1em; }
.case__body p { max-width: 58ch; color: var(--muted); }
.case__body p strong { color: var(--ink); font-weight: 500; }
.case__body ul { display: grid; gap: 0.5em; margin-top: 0.25em; }
.case__body li {
  padding-left: 1.25rem;
  position: relative;
  color: var(--muted);
  max-width: 58ch;
}
.case__body li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.7em;
  width: 0.5rem; height: 2px;
  background: var(--pen);
}

@media (min-width: 900px) {
  .case {
    grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 1.15fr);
    column-gap: clamp(1.5rem, 3vw, 3rem);
    row-gap: 0;
    align-items: start;
  }
  .case > .idx { grid-column: 1; padding-top: 0.5em; }
  .case > h3 { grid-column: 2; }
  .case > .case__body { grid-column: 3; }
}

.case__media {
  background: var(--rule);
  overflow: hidden;
  margin-block: clamp(0.75rem, 1.5vw, 1.25rem);
}
.case__media img { width: 100%; }

.pull {
  font-family: var(--serif);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--ink);
  padding-block: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-block: clamp(2.5rem, 5vw, 4rem);
  max-width: 26ch;
}

.page-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--rule);
  margin-top: clamp(3rem, 6vw, 5rem);
}
@media (min-width: 640px) {
  .page-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }
  .page-nav__item--next {
    text-align: right;
    justify-self: end;
  }
}
.page-nav a {
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 44px;
  padding-block: 0.5rem;
}
.page-nav__label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.8125rem;
  color: var(--pen);
}
.page-nav__title {
  font-family: var(--serif);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--ink);
}
.page-nav a:hover .page-nav__title {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  text-decoration-color: var(--pen);
}

/* ==========================================================================
   20. Notes list (sub-page)
   ========================================================================== */

.notes-list { display: grid; margin-top: clamp(1.5rem, 3vw, 2rem); }
.notes-list__item {
  border-bottom: 1px solid var(--rule);
}
.notes-list__item:first-child { border-top: 1px solid var(--rule); }
.notes-list__item a {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding-block: clamp(1.25rem, 2.5vw, 1.75rem);
}
@media (min-width: 640px) {
  .notes-list__item a {
    grid-template-columns: 7.5rem minmax(0, 1fr) auto;
    column-gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: baseline;
  }
}
.notes-list__date {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--muted);
}
.notes-list__title {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.notes-list__summary {
  display: block;
  font-size: 0.9375rem;
  color: var(--muted);
  max-width: 52ch;
  margin-top: 0.35rem;
}
.notes-list__arrow {
  font-size: 0.9375rem;
  color: var(--muted);
  transition: transform 220ms var(--ease), color 180ms ease;
}
.notes-list__item a:hover .notes-list__title {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  text-decoration-color: var(--pen);
}
.notes-list__item a:hover .notes-list__arrow {
  transform: translateX(4px);
  color: var(--ink);
}

/* ==========================================================================
   21. Now list
   ========================================================================== */

.now-list {
  display: grid;
  border-top: 1px solid var(--rule);
  margin-top: clamp(2rem, 4vw, 3rem);
}
.now-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem;
  padding-block: clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 640px) {
  .now-row {
    grid-template-columns: 11rem minmax(0, 1fr);
    column-gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: baseline;
  }
}
.now-row dt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--pen);
}
.now-row dd {
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  color: var(--muted);
}
.now-row dd strong { color: var(--ink); font-weight: 500; }

/* ==========================================================================
   22. Page foot
   ========================================================================== */

.page-foot {
  margin-top: clamp(3rem, 7vw, 6rem);
  padding-block: clamp(1.25rem, 2.5vw, 1.75rem);
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ==========================================================================
   23. Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js-reveal [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .js-reveal [data-reveal] .mark {
    background-size: 100% 0.42em !important;
  }
  .js-reveal [data-reveal] .accent-line {
    background-size: 100% 0.15em !important;
  }
}

/* ==========================================================================
   24. Responsive overrides
   ========================================================================== */

@media (min-width: 640px) {
  .timeline__row {
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
    column-gap: clamp(1.5rem, 4vw, 3rem);
    align-items: baseline;
    gap: 0.15rem 0;
  }
  .notes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    grid-template-areas:
      "title    portrait"
      "body     portrait";
    column-gap: clamp(2.5rem, 5vw, 4.5rem);
    row-gap: clamp(1.75rem, 3vw, 2.5rem);
    align-items: start;
  }
  .hero__title    { grid-area: title; }
  .hero__body     { grid-area: body; }
  .hero__portrait { grid-area: portrait; }

  .section__head {
    grid-template-columns: 4rem minmax(0, 1fr);
    column-gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
  }
  .section__head .idx {
    grid-row: 1 / 3;
    padding-top: 0.55em;
  }
  .section__title { grid-column: 2; }
  .section__intro { grid-column: 2; padding-bottom: 0.25rem; }

  .project {
    grid-template-columns: 5rem minmax(0, 1fr);
    column-gap: clamp(1.5rem, 3vw, 3rem);
    row-gap: clamp(0.75rem, 1.6vw, 1.25rem);
  }
  .project__num { grid-row: 1 / 6; }
  .project > *:not(.project__num) { grid-column: 2; }

  .project__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }

  .about__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    column-gap: clamp(2.5rem, 5vw, 5rem);
  }
}

@media (min-width: 1200px) {
  .hero__title       { font-size: clamp(3.5rem, 5.4vw, 5.75rem); }
  .section__title    { font-size: clamp(2.25rem, 3.4vw, 3.5rem); }
  .about__headline   { font-size: clamp(2.25rem, 3.4vw, 3.5rem); }
  .contact__headline { font-size: clamp(3rem, 4.8vw, 4.75rem); }
  .page-title        { font-size: clamp(2.75rem, 4.6vw, 4.5rem); }
}