/* ============================================================
   Andrew Lopez — Strategic Capitalism
   Art direction: Apple-grade minimalism. Near-black and paper
   white surfaces, one cold blue accent, Switzer + Satoshi.
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.2rem + 4vw, 4.75rem);
  --text-hero: clamp(3rem, 1rem + 6.4vw, 7rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-display: 'Switzer', 'Helvetica Neue', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', system-ui, sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shell: 1200px;
  --nav-h: 48px;
}

:root,
[data-theme='light'] {
  --color-bg: #ffffff;
  --color-surface: #f5f5f7;
  --color-surface-2: #ebebef;
  --color-text: #14141a;
  --color-text-muted: #6a6a73;
  --color-text-faint: #9a9aa3;
  --color-border: rgb(20 20 26 / 0.11);
  --color-accent: #0a5fd6;
  --color-nav-bg: rgb(255 255 255 / 0.72);
  --color-inset: #0a0a0c;
  --color-inset-text: #f2f2f5;
  --color-inset-muted: #9a9aa5;
  --color-inset-border: rgb(255 255 255 / 0.14);
  --shadow-card: 0 1px 2px rgb(20 20 26 / 0.05), 0 12px 32px rgb(20 20 26 / 0.06);
}

[data-theme='dark'] {
  --color-bg: #000000;
  --color-surface: #101014;
  --color-surface-2: #1a1a20;
  --color-text: #f2f2f5;
  --color-text-muted: #9a9aa5;
  --color-text-faint: #6a6a75;
  --color-border: rgb(255 255 255 / 0.13);
  --color-accent: #5aa6ff;
  --color-nav-bg: rgb(0 0 0 / 0.7);
  --color-inset: #101014;
  --color-inset-text: #f2f2f5;
  --color-inset-muted: #9a9aa5;
  --color-inset-border: rgb(255 255 255 / 0.12);
  --shadow-card: 0 1px 2px rgb(0 0 0 / 0.5), 0 14px 40px rgb(0 0 0 / 0.4);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  letter-spacing: -0.011em;
  transition:
    background-color 0.4s var(--ease),
    color 0.4s var(--ease);
}

/* ---------- primitives ---------- */

.shell {
  width: min(100% - var(--space-10), var(--shell));
  margin-inline: auto;
}

.shell--narrow {
  width: min(100% - var(--space-10), 820px);
  margin-inline: auto;
}

section {
  padding-block: clamp(var(--space-20), 11vw, var(--space-32));
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-text-muted);
  letter-spacing: -0.015em;
  max-width: 34ch;
}

.prose {
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 66ch;
}

.prose + .prose {
  margin-top: var(--space-4);
}

.link {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  transition: opacity 0.2s var(--ease);
}

.link:hover {
  opacity: 0.65;
}

.link::after {
  content: '›';
  font-size: 1.15em;
  line-height: 0.9;
  transition: transform 0.25s var(--ease);
}

.link:hover::after {
  transform: translateX(3px);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--color-nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  width: min(100% - var(--space-8), 1080px);
  margin-inline: auto;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav__brand svg {
  width: 20px;
  height: 20px;
  flex: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 2.4vw, var(--space-8));
  margin-left: auto;
}

.nav__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.nav__links a:hover {
  color: var(--color-text);
}

.theme-toggle {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-text-muted);
  transition:
    background-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
}

[data-theme='dark'] .theme-toggle .icon-sun,
[data-theme='light'] .theme-toggle .icon-moon {
  display: none;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-5);
  border-radius: 0 0 var(--radius-sm) 0;
  font-size: var(--text-sm);
}

.skip:focus {
  left: 0;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: min(92svh, 860px);
  display: grid;
  align-items: center;
  background: #000;
  color: #f2f2f5;
  overflow: hidden;
  padding-block: var(--space-24);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
}

.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, #000 6%, rgb(0 0 0 / 0.72) 40%, rgb(0 0 0 / 0.1) 78%);
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  color: rgb(255 255 255 / 0.5);
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.95;
  max-width: 15ch;
}

.hero h1 em {
  font-style: normal;
  color: rgb(255 255 255 / 0.42);
}

.hero__lede {
  margin-top: var(--space-8);
  font-size: var(--text-lg);
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: rgb(255 255 255 / 0.66);
  max-width: 40ch;
}

.hero .link {
  color: #6cb0ff;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: var(--space-8);
  transform: translateX(-50%);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgb(255 255 255 / 0.34);
  z-index: 1;
}

/* ---------- section headers ---------- */

.sec-head {
  max-width: 26ch;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.sec-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.035em;
  margin-top: var(--space-4);
}

.sec-head p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.55;
  max-width: 52ch;
}

.sec-head--center {
  margin-inline: auto;
  text-align: center;
  max-width: 30ch;
}

.sec-head--center p {
  margin-inline: auto;
}

/* ---------- tiles ---------- */

.tiles {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  background: var(--color-surface);
  isolation: isolate;
}

.tile--dark {
  background: var(--color-inset);
  color: var(--color-inset-text);
}

.tile__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.tile__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tile__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgb(0 0 0 / 0.86) 0%, rgb(0 0 0 / 0.5) 55%, rgb(0 0 0 / 0.3) 100%);
}

.tile h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  margin-top: var(--space-3);
  max-width: 18ch;
}

.tile p {
  margin-top: var(--space-5);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 40ch;
}

.tile--dark p {
  color: var(--color-inset-muted);
}

.tile--dark .eyebrow {
  color: rgb(255 255 255 / 0.45);
}

.tile--dark .link {
  color: #6cb0ff;
}

.tile .link {
  margin-top: var(--space-6);
}

.tile__spacer {
  flex: 1;
}

.tile__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-inset-border);
}

.tile:not(.tile--dark) .tile__stats {
  border-top-color: var(--color-border);
}

.stat__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  display: block;
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  display: block;
}

.tile--dark .stat__label {
  color: var(--color-inset-muted);
}

/* ---------- mechanism ---------- */

.mech {
  background: var(--color-surface);
}

.mech__grid {
  display: grid;
  gap: var(--space-1);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  counter-reset: step;
}

.mech__item {
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6) var(--space-10);
  border-radius: var(--radius-sm);
}

.mech__item:first-child {
  border-start-start-radius: var(--radius-md);
  border-end-start-radius: var(--radius-md);
}

.mech__item:last-child {
  border-start-end-radius: var(--radius-md);
  border-end-end-radius: var(--radius-md);
}

.mech__num {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mech__item h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: var(--space-5);
}

.mech__item p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.mech__note {
  margin-top: var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  max-width: 60ch;
}

/* ---------- cases ---------- */

.cases {
  display: grid;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.case {
  background: var(--color-bg);
  padding: var(--space-8);
  transition: background-color 0.3s var(--ease);
}

.case:hover {
  background: var(--color-surface);
}

.case__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
}

.case__type {
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-top: var(--space-2);
  font-weight: 500;
}

.case p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* ---------- full-bleed feature ---------- */

.feature {
  position: relative;
  color: #f2f2f5;
  background: #000;
  padding-block: clamp(var(--space-24), 16vw, 12rem);
  overflow: hidden;
}

.feature__media {
  position: absolute;
  inset: 0;
}

.feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature__media::after {
  content: '';
  position: absolute;
  inset: 0;
}

.feature--stage .feature__media::after {
  background: linear-gradient(180deg, rgb(0 0 0 / 0.8) 0%, rgb(0 0 0 / 0.45) 45%, rgb(0 0 0 / 0.88) 100%);
}

.feature--port .feature__media::after {
  background: linear-gradient(90deg, rgb(0 0 0 / 0.92) 12%, rgb(0 0 0 / 0.66) 48%, rgb(0 0 0 / 0.25) 100%);
}

.feature__inner {
  position: relative;
  z-index: 1;
}

.feature .eyebrow {
  color: rgb(255 255 255 / 0.45);
}

.feature h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.035em;
  margin-top: var(--space-4);
  max-width: 20ch;
}

.feature p {
  margin-top: var(--space-6);
  color: rgb(255 255 255 / 0.66);
  line-height: 1.6;
  max-width: 52ch;
}

.feature .link {
  color: #6cb0ff;
}

.feature__quote {
  margin-top: var(--space-12);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  line-height: 1.25;
  max-width: 24ch;
  color: #fff;
}

.talks {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid rgb(255 255 255 / 0.16);
}

.talk h3 {
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.talk p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: rgb(255 255 255 / 0.6);
  line-height: 1.55;
}

.talk__status {
  font-size: var(--text-xs);
  color: rgb(255 255 255 / 0.4);
  margin-top: var(--space-4);
  display: block;
}

/* ---------- essays ---------- */

.essays {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.essay {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

.essay:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.essay--flagship {
  background: var(--color-inset);
  color: var(--color-inset-text);
}

.essay__num {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  letter-spacing: 0.14em;
}

.essay--flagship .essay__num {
  color: rgb(255 255 255 / 0.45);
}

.essay h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
  margin-top: var(--space-5);
}

.essay p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.essay--flagship p {
  color: var(--color-inset-muted);
}

.essay__tag {
  margin-top: auto;
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 500;
}

.essay--flagship .essay__tag {
  color: #6cb0ff;
}

/* ---------- split ---------- */

.split {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}

.list {
  display: grid;
  gap: var(--space-5);
}

.list li {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.list b {
  color: var(--color-text);
  font-weight: 600;
}

.list__idx {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  padding-top: 0.22em;
}

/* ---------- writing ---------- */

.writing {
  border-top: 1px solid var(--color-border);
}

.pieces {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.piece {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition:
    padding-inline 0.35s var(--ease),
    background-color 0.35s var(--ease);
}

.piece:hover {
  background: var(--color-surface);
  padding-inline: var(--space-5) var(--space-4);
}

.piece__title {
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.piece__meta {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  max-width: 60ch;
  line-height: 1.5;
}

.piece__where {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
}

/* ---------- about ---------- */

.about {
  background: var(--color-surface);
}

.about__grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

@media (max-width: 780px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
}

.about h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.035em;
  max-width: 16ch;
}

.facts {
  display: grid;
  gap: var(--space-6);
}

.fact {
  display: grid;
  gap: var(--space-1);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.fact:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.fact dt {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.fact dd {
  font-size: var(--text-base);
  line-height: 1.5;
}

.fact dd a {
  text-decoration: none;
  color: var(--color-accent);
}

.fact dd a:hover {
  text-decoration: underline;
}

/* ---------- contact ---------- */

.contact {
  text-align: center;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  letter-spacing: -0.04em;
}

.contact a.mail {
  display: inline-block;
  margin-top: var(--space-8);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  color: var(--color-accent);
  text-decoration: none;
  word-break: break-word;
}

.contact a.mail:hover {
  text-decoration: underline;
}

.contact .prose {
  margin-inline: auto;
  margin-top: var(--space-5);
  max-width: 46ch;
}

/* ---------- contact form ---------- */

.cform {
  margin-top: var(--space-12);
  text-align: left;
  display: grid;
  gap: var(--space-6);
}

.cform__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.field {
  display: grid;
  gap: var(--space-3);
}

.field label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.field label .opt {
  text-transform: none;
  letter-spacing: 0.02em;
  opacity: 0.7;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.field select {
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 20px) center, calc(100% - 14px) center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.75rem;
  cursor: pointer;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.field input[aria-invalid='true'],
.field textarea[aria-invalid='true'] {
  border-color: #d4341f;
}

.cform__trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.cform__foot {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.btn {
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-bg);
  background: var(--color-text);
  border: 0;
  border-radius: 100px;
  padding: 0.9rem 1.8rem;
  cursor: pointer;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:hover:not(:disabled) {
  opacity: 0.85;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.cform__status {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.cform__status.is-ok {
  color: var(--color-accent);
}

.cform__status.is-err {
  color: #d4341f;
}

.cform__done {
  margin-top: var(--space-12);
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.cform__done h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
}

.cform__done p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

@media (max-width: 640px) {
  .cform__row {
    grid-template-columns: 1fr;
  }
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10) var(--space-12);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5) var(--space-8);
  align-items: center;
  justify-content: space-between;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer a {
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.footer a:hover {
  color: var(--color-text);
}

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.8s var(--ease),
    transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  :root {
    --shell: 100%;
  }
  .mech__item {
    border-radius: var(--radius-sm) !important;
  }
}

@media (max-width: 640px) {
  .shell,
  .shell--narrow {
    width: calc(100% - var(--space-8));
  }
  .nav__links {
    gap: var(--space-4);
  }
  .nav__links a {
    font-size: 0.75rem;
  }
  .tile {
    min-height: 400px;
  }
  .piece {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

@media (max-width: 460px) {
  .nav__links a[data-optional] {
    display: none;
  }
}

/* ============================================================
   Reading pages, clocks, headshot
   ============================================================ */

.shell--reading {
  width: min(100% - var(--space-10), 720px);
  margin-inline: auto;
}

.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 200;
  transition: transform 0.12s linear;
}

.article__head {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24)) var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.article__head .eyebrow {
  margin-bottom: var(--space-5);
}

.crumb {
  color: inherit;
  text-decoration: none;
}

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

.article__head h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.038em;
  line-height: 1.04;
}

.article__dek {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: var(--color-text-muted);
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.article__meta a {
  color: var(--color-accent);
  text-decoration: none;
}

.article__meta a:hover {
  text-decoration: underline;
}

.article__body {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  font-size: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  line-height: 1.68;
  letter-spacing: -0.006em;
}

.article__body p {
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.article__body p.li {
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-border);
  color: var(--color-text-muted);
}

.article__body h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  margin-top: var(--space-16);
  margin-bottom: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.article__body h2:first-child {
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
}

.article__body blockquote {
  margin: var(--space-10) 0;
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.article__body a {
  color: var(--color-accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.article__body em {
  color: var(--color-text-muted);
}

.article__body .rule {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-12) 0;
}

.article__body .notice {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.pager {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
}

.pager__item {
  display: block;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-decoration: none;
  transition:
    background-color 0.3s var(--ease),
    transform 0.3s var(--ease);
}

.pager__item:hover {
  background: var(--color-surface-2);
  transform: translateY(-2px);
}

.pager__item--next {
  text-align: right;
}

.pager__dir {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.pager__title {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.015em;
}

/* ---------- clocks ---------- */

.clocks {
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
}

.clocks__lead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.clocks__lead b {
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.clocks__lead .pin {
  width: 15px;
  height: 15px;
  display: inline-block;
  vertical-align: -2px;
  color: var(--color-accent);
}

.clocks__now {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.clocks__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: var(--space-10);
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 760px;
  margin-inline: auto;
}

.clock {
  background: var(--color-bg);
  padding: var(--space-6) var(--space-4);
}

.clock.is-home {
  background: var(--color-surface-2);
}

.clock dt {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
}

.clock__tag {
  color: var(--color-accent);
  letter-spacing: 0.08em;
  font-weight: 600;
}

.clock__offset {
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  text-transform: none;
}

.clock dd {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  font-weight: 500;
}

/* top-of-page variant: sits directly beneath the dark hero */
.clocks--top {
  border-top: 0;
  padding-block: clamp(var(--space-10), 4.5vw, var(--space-12));
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.clocks--top .clocks__grid {
  margin-top: var(--space-8);
  background: transparent;
  border: 0;
  border-radius: 0;
  gap: var(--space-4);
  max-width: 820px;
}

.clocks--top .clock {
  background: transparent;
  padding: 0;
  border-left: 1px solid var(--color-border);
}

.clocks--top .clock:first-child {
  border-left: 0;
}

.clocks--top .clock.is-home {
  background: transparent;
}

/* uniform two-line labels so every time sits on the same baseline */
.clocks--top .clock dt {
  display: grid;
  justify-items: center;
  gap: 3px;
  white-space: nowrap;
}

.clocks--top .clock dt > span {
  display: block;
}

@media (max-width: 720px) {
  .clocks__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .clocks--top .clocks__grid {
    gap: var(--space-6) var(--space-4);
  }

  .clocks--top .clock:nth-child(odd) {
    border-left: 0;
  }
}

/* ---------- headshot ---------- */

.portrait {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-2);
  aspect-ratio: 1;
  max-width: 320px;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
}

.about__lead {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.about__lead .portrait {
  width: 148px;
  flex: none;
}

.about__ident h2 {
  margin-top: var(--space-3);
}

.about__ident p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 30ch;
  line-height: 1.5;
}

/* ---------- essays index ---------- */

.index-head {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32)) var(--space-12);
}

.index-head h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  letter-spacing: -0.04em;
  margin-top: var(--space-5);
  max-width: 18ch;
}

.index-head p {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-text-muted);
  max-width: 46ch;
  letter-spacing: -0.015em;
}

.series-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-text);
  margin-bottom: var(--space-2);
}

.series-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
}

.series-head span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
}

.entry {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: baseline;
  padding: var(--space-8) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition:
    background-color 0.35s var(--ease),
    padding-inline 0.35s var(--ease);
}

.entry:hover {
  background: var(--color-surface);
  padding-inline: var(--space-5) var(--space-4);
}

.entry__num {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
}

.entry__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.entry__dek {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 62ch;
}

.entry__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 700px) {
  .entry {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .entry__meta {
    text-align: left;
  }
}

/* ============================================================
   Refinements
   ============================================================ */

.sec-head {
  max-width: none;
}

.sec-head h2 {
  max-width: 22ch;
  text-wrap: balance;
}

.sec-head--center {
  max-width: none;
}

.sec-head--center h2 {
  max-width: 26ch;
  margin-inline: auto;
}

.essay {
  text-decoration: none;
  color: var(--color-text);
}

.essay.essay--flagship {
  color: var(--color-inset-text);
}

.essay h3,
.essay p,
.essay__tag,
.essay__num {
  text-decoration: none;
}

@media (min-width: 900px) {
  .essays {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .essay {
    grid-column: span 3;
  }
}

.piece {
  text-decoration: none;
  color: inherit;
}

.tile--dark .tile__bg::after {
  background: linear-gradient(180deg, rgb(6 6 10 / 0.9) 0%, rgb(6 6 10 / 0.86) 50%, rgb(6 6 10 / 0.92) 100%);
}

.tile--dark .tile__bg img {
  opacity: 0.55;
}

/* ---------- notes ---------- */

a.fn {
  text-decoration: none;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

a.fn sup {
  font-size: 0.68em;
  padding-left: 1px;
  vertical-align: super;
  line-height: 0;
}

a.fn:hover sup {
  text-decoration: underline;
}

.notes {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.note {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
  scroll-margin-top: 90px;
}

.note:target {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding-inline: var(--space-4);
}

.note__n {
  font-variant-numeric: tabular-nums;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  padding-top: 0.28em;
}

.note a {
  color: var(--color-accent);
  word-break: break-word;
}

.article__body h2#notes {
  margin-top: var(--space-20);
}

.article__body a.fn,
.article__body a.fn:hover {
  text-decoration: none;
  border: 0;
}

.article__body a.fn sup {
  display: inline-block;
  text-decoration: none;
}

[data-theme='dark'] .essay.essay--flagship {
  background: #101018;
  box-shadow: inset 0 0 0 1px rgb(90 166 255 / 0.28);
}

[data-theme='dark'] .clock.is-home {
  background: #14141c;
}

[data-theme='dark'] .clocks--top .clock.is-home {
  background: transparent;
}

@media (max-width: 520px) {
  .nav__links {
    gap: var(--space-3);
  }
  .nav__links a {
    font-size: 0.7rem;
    letter-spacing: -0.005em;
  }
  .theme-toggle {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 440px) {
  .nav__brand span {
    display: none;
  }
}

/* ---------- Essay figures ---------- */
/* Figures align flush to the text column at every width — no outward bleed,
   so the image edges sit exactly where the prose edges sit. */
.article__body .figure {
  width: 100%;
  margin: var(--space-12) 0;
}

.article__body .figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: var(--color-surface-2);
}

.article__body .figure figcaption {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  line-height: 1.7;
  letter-spacing: 0.005em;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.article__body .figure figcaption em {
  font-style: normal;
}

@media (max-width: 600px) {
  .article__body .figure {
    margin: var(--space-8) 0;
  }
  .article__body .figure img {
    border-radius: 10px;
  }
  .article__body .figure figcaption {
    font-size: var(--text-xs);
    line-height: 1.65;
  }
}