/*
 * Zackary Loevseth — professional portfolio
 * Buildless, local-first, and deliberately free of external assets or trackers.
 */

:root {
  --paper: #f2f0e9;
  --paper-deep: #e6e2d7;
  --surface: #fbfaf6;
  --ink: #14251f;
  --ink-soft: #45584f;
  --ink-faint: #68776f;
  --line: #ccd2c9;
  --line-strong: #aab5ab;
  --accent: #c55231;
  --accent-dark: #8f341d;
  --forest: #173a2f;
  --sage: #b9c7ba;
  --focus: #e4633f;
  --radius-sm: 0.35rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.5rem;
  --shadow: 0 20px 55px rgb(20 37 31 / 0.08);
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --shell: min(1180px, calc(100vw - 3rem));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent-dark);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 0.12rem;
}

::selection {
  background: #f1b9a8;
  color: #12231d;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.04;
  text-wrap: balance;
}

h1,
h2 {
  letter-spacing: -0.045em;
}

h3 {
  letter-spacing: -0.025em;
}

code {
  padding: 0.08em 0.28em;
  border-radius: 0.25rem;
  background: rgb(20 37 31 / 0.08);
  font-size: 0.9em;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  color: white;
  transform: translateY(0);
}

.eyebrow,
.mini-label {
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.mini-label {
  color: var(--ink-faint);
}

.button {
  display: inline-flex;
  min-height: 3.1rem;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

.button-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}

.button-text {
  padding-inline: 0.55rem;
  color: var(--ink);
}

.button-outline {
  border-color: rgb(255 255 255 / 0.48);
  color: #fff;
}

.button-outline:hover {
  border-color: #fff;
  background: #fff;
  color: var(--forest);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgb(242 240 233 / 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color 160ms ease, background-color 160ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: rgb(170 181 171 / 0.7);
  background: rgb(242 240 233 / 0.94);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.91rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-style: italic;
  letter-spacing: -0.07em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}

.site-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.79rem;
  font-weight: 720;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="true"] {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(1000px, 100svh);
  padding-top: 9.2rem;
  overflow: clip;
}

.hero::after {
  position: absolute;
  top: 12%;
  right: -12rem;
  z-index: -1;
  width: 32rem;
  height: 32rem;
  border: 1px solid rgb(197 82 49 / 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgb(197 82 49 / 0.025), 0 0 0 10rem rgb(197 82 49 / 0.018);
  content: "";
}

.hero-grid {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1.55fr) minmax(18rem, 0.65fr);
  gap: clamp(4rem, 8vw, 8rem);
}

.hero-copy {
  padding-block: 4.75rem 4rem;
}

.hero h1 {
  max-width: 13ch;
  margin-bottom: 2rem;
  font-size: clamp(3.7rem, 8vw, 7.4rem);
  font-weight: 650;
}

.hero h1 em {
  color: var(--accent);
  font-family: var(--font-serif);
  font-weight: 400;
}

.hero-intro {
  max-width: 61ch;
  margin-bottom: 2.3rem;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.6vw, 1.3rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.hero-aside {
  align-self: stretch;
  display: flex;
  min-height: 34rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: rgb(251 250 246 / 0.58);
  box-shadow: var(--shadow);
}

.hero-monogram {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  color: var(--forest);
  font-family: var(--font-serif);
  font-size: clamp(7rem, 13vw, 11rem);
  font-style: italic;
  letter-spacing: -0.2em;
  line-height: 0.8;
  opacity: 0.92;
}

.hero-monogram span:last-child {
  padding-top: 0.28em;
  color: var(--accent);
}

.focus-note {
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.focus-note > p:not(.mini-label) {
  margin-bottom: 1rem;
  font-size: 0.98rem;
  line-height: 1.55;
}

.focus-note > p:last-child {
  margin-bottom: 0;
}

.capability-strip {
  display: grid;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  grid-template-columns: repeat(3, 1fr);
}

.capability-strip p {
  display: flex;
  min-height: 2.4rem;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding-inline: 1.4rem;
  color: var(--ink-soft);
  font-size: 0.81rem;
  font-weight: 660;
  letter-spacing: 0.015em;
  line-height: 1.35;
}

.capability-strip p:first-child {
  padding-left: 0;
}

.capability-strip p + p {
  border-left: 1px solid var(--line);
}

.capability-strip span {
  color: var(--accent-dark);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
}

/* Shared section structures */
.section {
  padding-block: clamp(6rem, 11vw, 10rem);
}

.section-heading {
  display: grid;
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5.25rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.section-heading h2,
.practice-intro h2,
.independent-heading h2,
.path-grid h2,
.contact-grid h2 {
  max-width: 12ch;
  margin-bottom: 0;
  font-size: clamp(2.7rem, 5.4vw, 5.4rem);
  font-weight: 620;
}

.section-heading > p,
.practice-intro > p,
.independent-intro,
.research-inner > div > p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* Selected work */
.work-section {
  background: var(--surface);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  position: relative;
  display: flex;
  min-height: 36rem;
  flex-direction: column;
  padding: clamp(1.5rem, 3.2vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.project-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  content: "";
  transition: width 260ms ease;
}

.project-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 24px 55px rgb(20 37 31 / 0.09);
  transform: translateY(-3px);
}

.project-card:hover::before {
  width: 100%;
}

.project-card-featured {
  background: #eef1ea;
}

.project-card-dark {
  border-color: var(--forest);
  background: var(--forest);
  color: #f8f6ef;
}

.project-card-dark:hover {
  border-color: var(--forest);
  box-shadow: 0 24px 55px rgb(20 37 31 / 0.2);
}

.project-card-dark .project-kicker,
.project-card-dark .scope-note,
.project-card-dark .notes-body,
.project-card-dark .card-index {
  color: #cbd8cf;
}

.project-card-dark .scope-note {
  border-top-color: rgb(255 255 255 / 0.22);
  border-bottom-color: rgb(255 255 255 / 0.22);
}

.project-card-dark .project-notes {
  border-bottom-color: rgb(255 255 255 / 0.22);
}

.project-card-dark .project-notes summary,
.project-card-dark .card-links a {
  color: #fff;
}

.card-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 4rem;
}

.card-index {
  color: var(--ink-faint);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
}

.status {
  display: inline-flex;
  min-height: 1.8rem;
  align-items: center;
  padding: 0.25rem 0.58rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.status-published {
  color: #28583f;
}

.status-merged {
  color: #31516d;
}

.status-open {
  color: #744f16;
}

.status-prototype {
  color: #d9e6dc;
}

.status-award {
  color: var(--accent-dark);
}

.project-kicker {
  margin-bottom: 0.65rem;
  color: var(--ink-faint);
  font-size: 0.74rem;
  font-weight: 730;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card h3 {
  max-width: 18ch;
  margin-bottom: 1.5rem;
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-weight: 630;
}

.project-summary {
  max-width: 57ch;
  margin-bottom: 1.75rem;
  color: inherit;
  font-size: 1.02rem;
}

.scope-note {
  margin-bottom: 1rem;
  padding-block: 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.79rem;
  line-height: 1.55;
}

.scope-note strong {
  color: inherit;
  font-weight: 790;
}

.project-notes {
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}

.project-notes summary {
  position: relative;
  padding: 0.35rem 1.5rem 0.8rem 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  list-style: none;
}

.project-notes summary::-webkit-details-marker {
  display: none;
}

.project-notes summary::after {
  position: absolute;
  top: 0.2rem;
  right: 0;
  content: "+";
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
}

.project-notes[open] summary::after {
  content: "−";
}

.notes-body {
  color: var(--ink-soft);
  font-size: 0.79rem;
  line-height: 1.6;
}

.notes-body p:last-child {
  margin-bottom: 1rem;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
  margin-top: auto;
  padding-top: 1.1rem;
}

.card-links a {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 760;
  text-decoration: none;
}

.card-links a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

/* Experience and practice */
.practice-section {
  position: relative;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.experience-section {
  padding-bottom: clamp(5rem, 8vw, 7.5rem);
}

.experience-header {
  display: grid;
  align-items: stretch;
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
  grid-template-columns: minmax(0, 1.2fr) minmax(20rem, 0.8fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.practice-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(4rem, 10vw, 10rem);
}

.practice-intro {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.experience-section .practice-intro {
  position: static;
}

.practice-intro h2 {
  margin-bottom: 2rem;
}

.award-card {
  position: relative;
  display: flex;
  min-height: 30rem;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.6rem, 3.4vw, 2.7rem);
  border: 1px solid #ddad9d;
  border-radius: var(--radius-lg);
  background: #f3ded5;
  overflow: hidden;
}

.award-card::before {
  position: absolute;
  top: -7rem;
  right: -6rem;
  width: 20rem;
  height: 20rem;
  border: 1px solid rgb(143 52 29 / 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 3.8rem rgb(197 82 49 / 0.035), 0 0 0 7.4rem rgb(197 82 49 / 0.025);
  content: "";
}

.award-topline {
  position: absolute;
  top: clamp(1.6rem, 3.4vw, 2.7rem);
  right: clamp(1.6rem, 3.4vw, 2.7rem);
  left: clamp(1.6rem, 3.4vw, 2.7rem);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.award-mark {
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 2.4rem;
  line-height: 0.7;
}

.award-card .project-kicker {
  position: relative;
  color: var(--accent-dark);
}

.award-card h3 {
  position: relative;
  max-width: 12ch;
  margin-bottom: 1.2rem;
  font-size: clamp(2.25rem, 4vw, 3.7rem);
  font-weight: 620;
}

.award-copy {
  position: relative;
  max-width: 43ch;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

.practice-list {
  border-top: 1px solid var(--line-strong);
}

.experience-practices {
  display: grid;
  border-bottom: 1px solid var(--line-strong);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.experience-practices .practice-item {
  min-height: 15rem;
  padding: 2.4rem 1.5rem;
  border-bottom: 0;
  grid-template-columns: 2.8rem 1fr;
}

.experience-practices .practice-item:first-child {
  padding-left: 0;
}

.experience-practices .practice-item + .practice-item {
  border-left: 1px solid var(--line-strong);
}

.practice-item {
  display: grid;
  min-height: 13rem;
  align-items: start;
  padding-block: 2.3rem;
  border-bottom: 1px solid var(--line-strong);
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
}

.practice-number {
  color: var(--accent-dark);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
}

.practice-item h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
  font-weight: 630;
}

.practice-item p {
  max-width: 52ch;
  margin-bottom: 0;
  color: var(--ink-soft);
}

.independent-section {
  --accent-dark: #e69478;
  --ink-soft: #bdc9c2;
  --line-strong: rgb(255 255 255 / 0.22);
  background: var(--ink);
  color: #f7f5ee;
}

.independent-heading {
  display: grid;
  align-items: end;
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  gap: clamp(4rem, 10vw, 9rem);
}

.independent-heading h2 {
  color: #f7f5ee;
}

.independent-intro {
  max-width: 58ch;
  color: var(--ink-soft);
}

.research-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.research-feature-card {
  --accent-dark: #8f341d;
  --ink-soft: #45584f;
  position: relative;
  display: flex;
  min-height: 34rem;
  flex-direction: column;
  padding: clamp(1.6rem, 3.4vw, 2.8rem);
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: var(--radius-lg);
  color: var(--ink);
  overflow: hidden;
}

.research-feature-card::after {
  position: absolute;
  top: -8rem;
  right: -8rem;
  width: 20rem;
  height: 20rem;
  border: 1px solid rgb(143 52 29 / 0.15);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.research-feature-primary {
  background: #f1ddd4;
}

.research-feature-secondary {
  background: #edf0e9;
}

.research-feature-topline {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 4.25rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.research-feature-card .status {
  max-width: 25rem;
}

.status-research {
  color: var(--accent-dark);
}

.research-feature-card .project-kicker,
.research-feature-card .card-index,
.research-feature-card h3,
.research-feature-card > p,
.research-feature-card .research-notes {
  position: relative;
  z-index: 1;
}

.research-feature-card h3 {
  max-width: 15ch;
  margin-bottom: 1.4rem;
  font-size: clamp(2.15rem, 3.6vw, 3.5rem);
  font-weight: 630;
}

.research-feature-card > p:not(.project-kicker) {
  max-width: 62ch;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

.research-feature-card .research-notes {
  margin-top: auto;
  border-color: rgb(20 37 31 / 0.24);
}

.research-feature-card .research-notes summary {
  color: var(--ink);
}

.research-compact-grid {
  display: grid;
  margin-top: 1rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: 1rem;
}

.research-compact-card {
  display: flex;
  min-height: 27rem;
  flex-direction: column;
  padding: clamp(1.55rem, 3vw, 2.5rem);
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 0.045);
}

.relational-controller-card {
  background:
    linear-gradient(135deg, rgb(185 199 186 / 0.13), transparent 58%),
    rgb(255 255 255 / 0.045);
}

.research-method-card {
  background: rgb(255 255 255 / 0.025);
}

.research-compact-topline {
  display: flex;
  min-height: 3.9rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.research-compact-card .status {
  max-width: 24rem;
}

.research-compact-card .card-index {
  flex: 0 0 auto;
  color: #9eafa5;
}

.research-compact-card .project-kicker {
  color: #9eafa5;
}

.research-compact-card h3 {
  max-width: 19ch;
  margin-bottom: 1.25rem;
  color: #f7f5ee;
  font-size: clamp(1.75rem, 2.7vw, 2.8rem);
  font-weight: 620;
}

.research-compact-card > p:not(.project-kicker) {
  max-width: 66ch;
  margin-bottom: 2rem;
  color: var(--ink-soft);
}

.research-compact-notes {
  margin-top: auto;
  border-color: var(--line-strong);
}

.research-compact-notes summary {
  color: #fff;
}

.research-compact-notes .notes-body {
  padding-top: 0.45rem;
}

.research-verification {
  display: grid;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(1.6rem, 3.5vw, 2.8rem);
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 0.035);
  grid-template-columns: minmax(0, 0.8fr) minmax(22rem, 1.2fr);
  gap: clamp(3rem, 8vw, 7rem);
}

.research-verification-copy h3 {
  max-width: 16ch;
  margin-bottom: 1.25rem;
  color: #f7f5ee;
  font-size: clamp(1.9rem, 3vw, 3rem);
  font-weight: 620;
}

.research-verification-copy > p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.preprint-panel {
  align-self: center;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.preprint-panel > summary {
  position: relative;
  padding: 1.15rem 2rem 1.15rem 0;
  color: #fff;
  cursor: pointer;
  font-size: 0.79rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  list-style: none;
  text-transform: uppercase;
}

.preprint-panel > summary::-webkit-details-marker {
  display: none;
}

.preprint-panel > summary::after {
  position: absolute;
  top: 0.85rem;
  right: 0;
  content: "+";
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
}

.preprint-panel[open] > summary::after {
  content: "−";
}

.preprint-list {
  border-top: 1px solid var(--line-strong);
}

.preprint-list a {
  display: grid;
  align-items: center;
  padding-block: 1rem;
  color: #f7f5ee;
  text-decoration: none;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.25rem;
}

.preprint-list a + a {
  border-top: 1px solid rgb(255 255 255 / 0.14);
}

.preprint-list a:hover {
  color: #fff;
}

.preprint-list strong,
.preprint-list small {
  display: block;
}

.preprint-list strong {
  margin-bottom: 0.25rem;
  font-size: 0.93rem;
}

.preprint-list small {
  color: var(--ink-soft);
  font-size: 0.77rem;
  line-height: 1.5;
}

.preprint-meta {
  color: #e6ad99;
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

/* GIS */
.gis-section {
  background: var(--ink);
  color: #f7f5ee;
}

.gis-section .eyebrow {
  color: #e69478;
}

.gis-section .section-heading > p {
  color: #bccac2;
}

.gis-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.skills-panel {
  align-self: start;
  padding: 1.5rem;
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: var(--radius-md);
}

.skills-panel .mini-label {
  color: #9fb3a7;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.skill-list li {
  padding: 0.42rem 0.7rem;
  border: 1px solid rgb(255 255 255 / 0.23);
  border-radius: 999px;
  color: #e3e9e4;
  font-size: 0.72rem;
  line-height: 1.3;
}

.study-list {
  border-top: 1px solid rgb(255 255 255 / 0.25);
}

.study {
  padding-block: 2.4rem;
  border-bottom: 1px solid rgb(255 255 255 / 0.25);
}

.study-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: #9fb3a7;
  font-size: 0.7rem;
  font-weight: 740;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.study h3 {
  max-width: 22ch;
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 3.6vw, 3rem);
  font-weight: 610;
}

.study .study-subtitle {
  max-width: 42ch;
  margin-top: -0.2rem;
  margin-bottom: 1.35rem;
  color: #edf1ee;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-style: italic;
  line-height: 1.45;
}

.study > p:not(.scope-note) {
  max-width: 62ch;
  color: #cbd6d0;
}

.study-notes {
  max-width: 62ch;
  margin-block: 1.2rem;
  border-top: 1px solid rgb(255 255 255 / 0.16);
  border-bottom: 1px solid rgb(255 255 255 / 0.16);
}

.study-notes summary {
  position: relative;
  padding: 0.85rem 1.5rem 0.85rem 0;
  color: #eef2ef;
  cursor: pointer;
  font-size: 0.73rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  list-style: none;
  text-transform: uppercase;
}

.study-notes summary::-webkit-details-marker {
  display: none;
}

.study-notes summary::after {
  position: absolute;
  top: 0.58rem;
  right: 0;
  content: "+";
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
}

.study-notes[open] summary::after {
  content: "−";
}

.study-notes p {
  margin-bottom: 1rem;
  color: #b9c8c0;
  font-size: 0.8rem;
  line-height: 1.65;
}

.study .scope-note {
  max-width: 62ch;
  margin-bottom: 0;
  border-color: rgb(255 255 255 / 0.15);
  color: #aebfb5;
}

.study-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.15rem;
  color: #f4f6f4;
  font-size: 0.78rem;
  font-weight: 760;
  text-decoration: none;
}

.study-link:hover {
  color: #fff;
  text-decoration: underline;
}

.study-compact {
  margin-top: 2.25rem;
  padding: 1.8rem;
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: var(--radius-md);
}

.study-compact h3 {
  max-width: 30ch;
  font-size: clamp(1.45rem, 2.7vw, 2.15rem);
}

.study-compact .scope-note {
  padding-bottom: 0;
  border-bottom: 0;
}

.supporting-coursework {
  margin-top: 2.25rem;
  padding: 1.8rem;
  border: 1px solid rgb(255 255 255 / 0.16);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 0.025);
}

.supporting-coursework .mini-label {
  color: #9fb3a7;
}

.supporting-coursework h3 {
  margin-bottom: 1.4rem;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 620;
}

.supporting-coursework ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.supporting-coursework li {
  display: grid;
  padding-block: 1rem;
  border-top: 1px solid rgb(255 255 255 / 0.14);
  grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 1.45fr);
  gap: 1.25rem;
}

.supporting-coursework strong {
  display: block;
  color: #eef2ef;
  font-size: 0.78rem;
}

.supporting-coursework li span {
  color: #b9c8c0;
  font-size: 0.78rem;
  line-height: 1.6;
}

.coursework-title {
  align-self: start;
}

.supporting-coursework .coursework-meta {
  display: block;
  margin-bottom: 0.5rem;
  color: #e6ad99;
  font-size: 0.61rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  line-height: 1.45;
  text-transform: uppercase;
}

/* Professional path */
.path-section {
  background: var(--paper-deep);
}

.path-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(4rem, 10vw, 10rem);
}

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

.timeline li {
  display: grid;
  padding-block: 2rem;
  border-bottom: 1px solid var(--line-strong);
  grid-template-columns: 8.5rem 1fr;
  gap: 1.5rem;
}

.timeline-years {
  color: var(--accent-dark);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
}

.timeline h3 {
  margin-bottom: 0.6rem;
  font-size: 1.28rem;
  line-height: 1.25;
}

.timeline p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* Research link */
.research-path {
  background: var(--forest);
  color: #fff;
}

.research-inner {
  display: grid;
  min-height: 24rem;
  align-items: center;
  padding-block: 4rem;
  grid-template-columns: 0.42fr 1fr auto;
  gap: clamp(2rem, 5vw, 5rem);
}

.research-inner .eyebrow {
  color: #df9075;
}

.research-inner h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  font-weight: 610;
}

.research-inner > div > p {
  max-width: 55ch;
  color: #c4d2ca;
}

/* Contact */
.contact-section {
  background: var(--paper-deep);
}

.contact-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.75fr);
  gap: clamp(4rem, 10vw, 10rem);
}

.contact-links {
  border-top: 1px solid var(--line-strong);
}

.contact-links a {
  display: grid;
  align-items: center;
  padding-block: 1.45rem;
  border-bottom: 1px solid var(--line-strong);
  grid-template-columns: 5rem 1fr auto;
  gap: 1rem;
  text-decoration: none;
}

.contact-links a > span:first-child {
  color: var(--ink-faint);
  font-size: 0.71rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-links strong {
  font-size: 0.93rem;
}

.contact-links a:hover strong {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

/* Footer */
.site-footer {
  padding-block: 1.6rem;
  background: var(--ink);
  color: #d6dfda;
}

.footer-inner {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  font-size: 0.72rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner p:nth-child(2) {
  text-align: center;
}

.footer-inner a {
  justify-self: end;
  color: inherit;
  text-decoration: none;
}

.footer-inner a:hover {
  color: #fff;
}

/* Progressive enhancement */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js .hero [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .hero-grid,
  .section-heading,
  .experience-header,
  .practice-grid,
  .independent-heading,
  .research-feature-grid,
  .research-compact-grid,
  .research-verification,
  .path-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 1rem;
  }

  .hero-copy {
    padding-block: 3.5rem 2rem;
  }

  .hero-aside {
    min-height: 20rem;
    display: grid;
    align-items: end;
    grid-template-columns: 0.7fr 1fr;
    gap: 2rem;
    border-radius: var(--radius-lg);
  }

  .hero-monogram {
    font-size: clamp(6rem, 18vw, 10rem);
  }

  .section-heading {
    align-items: start;
    gap: 2rem;
  }

  .section-heading > p {
    max-width: 62ch;
  }

  .practice-grid,
  .independent-heading,
  .research-verification,
  .path-grid,
  .contact-grid {
    gap: 4rem;
  }

  .independent-intro {
    max-width: 62ch;
  }

  .practice-intro {
    position: static;
  }

  .practice-intro > p {
    max-width: 62ch;
  }

  .award-card {
    min-height: 25rem;
  }

  .experience-practices {
    grid-template-columns: 1fr;
  }

  .experience-practices .practice-item,
  .experience-practices .practice-item:first-child {
    min-height: 0;
    padding: 2.1rem 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .experience-practices .practice-item + .practice-item {
    border-left: 0;
  }

  .experience-practices .practice-item:last-child {
    border-bottom: 0;
  }

  .gis-layout {
    grid-template-columns: 0.65fr 1.35fr;
    gap: 3rem;
  }

  .research-inner {
    grid-template-columns: 1fr 1.4fr;
  }

  .research-inner .button {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: min(100% - 2rem, 42rem);
  }

  html {
    scroll-padding-top: 8.5rem;
  }

  .site-header {
    position: absolute;
    background: transparent;
    backdrop-filter: none;
  }

  .header-inner {
    min-height: 6.5rem;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 0.6rem;
  }

  .site-nav a {
    font-size: 0.64rem;
  }

  .hero {
    padding-top: 8rem;
  }

  .hero::after {
    top: 10rem;
    right: -18rem;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 16vw, 5.4rem);
  }

  .hero-aside {
    min-height: auto;
    padding: 1.35rem;
    grid-template-columns: 1fr;
  }

  .hero-monogram {
    justify-content: flex-start;
    padding: 1.1rem 0 2rem 0.6rem;
    font-size: 7.5rem;
  }

  .capability-strip {
    margin-top: 1rem;
    grid-template-columns: 1fr;
  }

  .capability-strip p,
  .capability-strip p:first-child {
    padding: 0.9rem 0;
  }

  .capability-strip p + p {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

  .project-card {
    min-height: auto;
  }

  .research-feature-card {
    min-height: auto;
  }

  .research-compact-card {
    min-height: auto;
  }

  .research-feature-topline {
    margin-bottom: 3rem;
  }

  .card-topline {
    margin-bottom: 3rem;
  }

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

  .supporting-coursework li {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .preprint-list a {
    align-items: start;
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .research-inner {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 1.3rem;
  }

  .research-inner .button {
    grid-column: auto;
  }

  .contact-links a {
    grid-template-columns: 4rem minmax(0, 1fr) auto;
  }

  .contact-links strong {
    overflow-wrap: anywhere;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-inner p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 0.82rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-actions .button-text {
    justify-content: flex-start;
  }

  .status {
    max-width: 16rem;
  }

  .practice-item {
    grid-template-columns: 2.5rem 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .study-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .contact-links a {
    grid-template-columns: 1fr auto;
  }

  .contact-links a > span:first-child {
    grid-column: 1 / -1;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .research-path,
  .contact-section,
  .site-footer {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .hero {
    padding-block: 2rem;
  }

  .project-card {
    break-inside: avoid;
    color: #000;
    background: #fff;
  }

  .project-card-dark {
    border-color: #888;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}