:root {
  --ink: #17212b;
  --ink-soft: #31404a;
  --paper: #f4f0e8;
  --paper-light: #fbfaf7;
  --mist: #e6edef;
  --burgundy: #7a2f3f;
  --burgundy-dark: #5d2030;
  --gold: #c2a46f;
  --muted: #626a6f;
  --line: rgba(23, 33, 43, 0.16);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-light);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

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

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
}

h2 {
  font-size: clamp(2.45rem, 5vw, 4.8rem);
  letter-spacing: -0.04em;
  line-height: 1.04;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  color: #fff;
  background: var(--ink);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: center;
  min-height: 84px;
  padding: 0.8rem max(1.25rem, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.96);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  width: fit-content;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.2rem;
}

.brand-role {
  margin-top: 0.38rem;
  color: var(--burgundy);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  gap: clamp(1.2rem, 2.3vw, 2.5rem);
  align-items: center;
}

.desktop-nav a {
  position: relative;
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.025em;
  text-decoration: none;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--burgundy);
  transform: scaleX(0);
  transition: transform 170ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
}

.social-nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.social-nav a {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: #fff;
  transition: color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.social-nav a:hover,
.social-nav a:focus-visible {
  border-color: var(--burgundy);
  color: var(--burgundy);
  transform: translateY(-2px);
}

.social-nav svg {
  width: 19px;
  height: 19px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.social-nav svg path:not(.icon-fill) {
  fill: currentColor;
  stroke: none;
}

.social-nav .icon-fill {
  fill: currentColor;
  stroke: none;
}

.mobile-nav {
  display: none;
}

.hero {
  display: grid;
  min-height: 650px;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  background:
    radial-gradient(circle at 14% 22%, rgba(122, 47, 63, 0.09), transparent 28%),
    linear-gradient(125deg, #fbfaf7 0%, #e7edef 68%, #d8e1e3 100%);
}

.hero-copy {
  align-self: center;
  max-width: 760px;
  padding: clamp(4rem, 7vw, 7rem) clamp(2rem, 7vw, 7.5rem);
}

.award-pill {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 2.2rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(122, 47, 63, 0.24);
  border-radius: 999px;
  color: var(--burgundy);
  background: rgba(255, 255, 255, 0.64);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.award-pill span {
  color: var(--gold);
}

.eyebrow {
  margin-bottom: 1.2rem;
  color: var(--burgundy);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.45;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 1.6rem;
  font-size: clamp(4.8rem, 8vw, 8.1rem);
  letter-spacing: -0.06em;
  line-height: 0.84;
}

.hero-line {
  max-width: 640px;
  margin-bottom: 2.2rem;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.5vw, 2.1rem);
  font-style: italic;
  line-height: 1.38;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

.button {
  display: inline-flex;
  min-height: 52px;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  line-height: 1.2;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

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

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--burgundy-dark);
}

.button-quiet {
  border-color: rgba(23, 33, 43, 0.3);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.45);
}

.button-quiet:hover,
.button-quiet:focus-visible {
  border-color: var(--burgundy);
  color: var(--burgundy);
  background: #fff;
}

.play-small {
  font-size: 0.72rem;
}

.hero-portrait {
  position: relative;
  min-height: 650px;
  margin: 0;
  overflow: hidden;
}

.hero-portrait::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, #e7edef 0%, transparent 25%);
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 38% center;
  filter: saturate(0.87) brightness(1.05);
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.quick-links a {
  position: relative;
  display: grid;
  min-height: 130px;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 1rem;
  align-content: center;
  padding: 1.5rem clamp(1.2rem, 3vw, 2.6rem);
  border-right: 1px solid var(--line);
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.quick-links a:last-child {
  border-right: 0;
}

.quick-links a:hover,
.quick-links a:focus-visible {
  color: var(--burgundy);
  background: #faf7f3;
}

.quick-links span {
  grid-row: 1 / 3;
  color: var(--burgundy);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.quick-links strong {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 400;
  line-height: 1.3;
}

.quick-links small {
  color: var(--muted);
  font-size: 0.72rem;
}

.video-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(500px, 1.38fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  padding: clamp(4.5rem, 8vw, 8rem) max(1.5rem, calc((100vw - 1180px) / 2));
  color: #fff;
  background: var(--ink);
}

.video-section .eyebrow,
.final-links .eyebrow {
  color: #e6ca91;
}

.video-copy h2 {
  margin-bottom: 1.4rem;
  font-size: clamp(2.5rem, 4.7vw, 4.5rem);
}

.video-copy > p:last-child {
  max-width: 440px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.video-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.4rem;
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.28);
  aspect-ratio: 16 / 9;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.section {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}

.book-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(4rem, 9vw, 9rem);
  align-items: center;
  padding-top: clamp(6rem, 10vw, 10rem);
  padding-bottom: clamp(5rem, 9vw, 9rem);
}

.book-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.book-visual::before {
  position: absolute;
  inset: 6% 0 3% 12%;
  z-index: -1;
  border-radius: 48% 52% 45% 55%;
  content: "";
  background: var(--mist);
  transform: rotate(-5deg);
}

.book-visual img {
  width: min(100%, 360px);
  box-shadow: 0 2rem 4rem rgba(23, 33, 43, 0.23);
  transform: rotate(-1.5deg);
}

.eyebrow-dark {
  color: var(--burgundy);
}

.book-copy h2 {
  margin-bottom: 1.1rem;
}

.book-question {
  max-width: 680px;
  margin-bottom: 1.5rem;
  color: var(--burgundy);
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  font-style: italic;
  line-height: 1.45;
}

.book-copy > p:not(.eyebrow):not(.book-question) {
  max-width: 650px;
  color: #4b545a;
}

.book-data {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.8rem 0 2.2rem;
  padding: 0;
  list-style: none;
}

.book-data li {
  padding: 0.38rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.origin-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  width: min(980px, calc(100% - 3rem));
  margin: 0 auto clamp(6rem, 10vw, 10rem);
  padding: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.origin-note .eyebrow {
  margin-bottom: 0;
}

.origin-note > p:last-child {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-style: italic;
  line-height: 1.4;
}

.prize-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding: clamp(5rem, 9vw, 8rem) max(1.5rem, calc((100vw - 1180px) / 2));
  color: #fff;
  background: var(--burgundy);
}

.prize-section .eyebrow {
  color: #ead39e;
}

.prize-copy h2 {
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.prize-copy > p:last-child {
  max-width: 650px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.75);
}

.prize-media {
  position: relative;
  justify-self: end;
  width: min(100%, 440px);
}

.prize-media > img {
  width: 100%;
  aspect-ratio: 3 / 4;
  border: 1px solid rgba(255, 255, 255, 0.36);
  object-fit: cover;
  object-position: center 30%;
  box-shadow: 0 2rem 4rem rgba(56, 13, 26, 0.3);
}

.prize-mark {
  position: absolute;
  right: -2rem;
  bottom: 2.8rem;
  display: grid;
  width: 170px;
  min-height: 170px;
  place-content: center;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  color: var(--ink);
  background: #f0e7d7;
  text-align: center;
  aspect-ratio: 1;
  box-shadow: 0 1rem 2.5rem rgba(56, 13, 26, 0.22);
}

.prize-mark span,
.prize-mark small {
  color: var(--burgundy);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.prize-mark strong {
  margin: 0.15rem 0;
  font-family: var(--serif);
  font-size: 3.25rem;
  font-weight: 400;
  line-height: 1;
}

.gala-link {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1.2rem;
  font-size: 0.8rem;
  font-weight: 800;
  text-underline-offset: 0.28rem;
}

.work-in-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.75fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
  padding-top: clamp(6rem, 10vw, 10rem);
  padding-bottom: clamp(5rem, 8vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.work-in-progress h2 {
  margin-bottom: 0;
}

.work-in-progress > p {
  margin-bottom: 0.65rem;
  color: #4d565c;
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.65;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding-top: clamp(6rem, 9vw, 9rem);
  padding-bottom: clamp(6rem, 9vw, 9rem);
}

.about-heading h2 {
  margin-bottom: 0;
}

.about-copy {
  padding-top: 2rem;
}

.about-copy p {
  color: #495258;
}

.about-copy .lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.28rem;
  line-height: 1.65;
}

.final-links {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding: clamp(5rem, 8vw, 7rem) max(1.5rem, calc((100vw - 1180px) / 2));
  color: #fff;
  background: var(--ink);
}

.final-links h2 {
  margin-bottom: 0;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
}

.final-link-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.final-link-grid a {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.final-link-grid a:hover,
.final-link-grid a:focus-visible {
  color: #ead39e;
  background: rgba(255, 255, 255, 0.06);
}

.final-link-grid strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 400;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: end;
  padding: 3.25rem max(1.5rem, calc((100vw - 1180px) / 2));
  color: rgba(255, 255, 255, 0.65);
  background: #10171d;
}

.brand-footer {
  color: #fff;
}

footer p {
  max-width: 380px;
  margin-bottom: 0;
  font-size: 0.8rem;
}

.copyright {
  white-space: nowrap;
}

/* Blog */
.inner-page {
  background: var(--paper-light);
}

.inner-header {
  position: sticky;
}

.blog-hero {
  padding: clamp(5rem, 9vw, 8rem) max(1.5rem, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 24%, rgba(122, 47, 63, 0.08), transparent 22%),
    linear-gradient(120deg, var(--paper-light), var(--mist));
}

.blog-hero h1,
.article-header h1 {
  max-width: 920px;
  margin-bottom: 1.7rem;
  font-family: var(--serif);
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.blog-hero > p:last-child {
  max-width: 650px;
  margin-bottom: 0;
  color: #4e575d;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.post-list {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(5rem, 9vw, 9rem) 0;
}

.post-list-heading {
  margin-bottom: 3.5rem;
}

.post-list-heading h2 {
  margin-bottom: 0;
}

.post-card {
  display: grid;
  grid-template-columns: 0.25fr minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.post-index {
  color: var(--burgundy);
  font-family: var(--serif);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  line-height: 1;
}

.post-meta {
  margin-bottom: 1rem;
  color: var(--burgundy);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-card h3 {
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.12;
}

.post-card h3 a {
  text-decoration: none;
}

.post-card h3 a:hover,
.post-card h3 a:focus-visible {
  color: var(--burgundy);
}

.post-card > div:last-child > p:not(.post-meta) {
  max-width: 700px;
  color: #50595f;
}

.text-link {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
  text-underline-offset: 0.32rem;
}

.blog-note {
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  padding: 2rem 0;
  color: #60686d;
  font-size: 0.85rem;
}

.blog-note p {
  margin-bottom: 0;
  color: var(--burgundy);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-page {
  width: min(940px, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(5rem, 9vw, 9rem) 0 clamp(7rem, 11vw, 11rem);
}

.article-header {
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--line);
}

.back-link {
  display: inline-block;
  margin-bottom: 4rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--burgundy);
}

.article-deck {
  max-width: 720px;
  margin-bottom: 0;
  color: #4d565c;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-style: italic;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 4rem;
}

.article-body > p {
  margin-bottom: 1.7rem;
  color: #3f484e;
  font-family: var(--serif);
  font-size: 1.16rem;
  line-height: 1.85;
}

.article-body .article-opening {
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1.6;
}

.article-body blockquote {
  margin: 3.25rem 0;
  padding: 0.55rem 0 0.55rem 2rem;
  border-left: 2px solid var(--burgundy);
  color: var(--burgundy);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-style: italic;
  line-height: 1.45;
}

.article-end {
  margin-top: 4rem;
  padding: 2.3rem;
  background: var(--mist);
}

.article-end p {
  margin-bottom: 1.5rem;
  font-family: var(--serif);
  font-size: 1.3rem;
}

/* Primer capítulo */
.chapter-page {
  background:
    radial-gradient(circle at 50% 8%, rgba(194, 164, 111, 0.12), transparent 24rem),
    var(--paper-light);
}

.chapter-reader {
  width: min(960px, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(4.5rem, 8vw, 8rem) 0 clamp(7rem, 11vw, 11rem);
}

.chapter-header {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.chapter-header .back-link {
  display: table;
  margin-right: auto;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  text-align: left;
}

.chapter-header .eyebrow {
  margin-bottom: 1rem;
}

.chapter-header h1 {
  margin-bottom: 1.2rem;
  font-size: clamp(4rem, 9vw, 7.5rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.chapter-context {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.chapter-body {
  max-width: 710px;
  margin: 0 auto;
  padding-top: clamp(3.5rem, 7vw, 6rem);
}

.chapter-body > p {
  margin-bottom: 1.55rem;
  color: #343d43;
  font-family: var(--serif);
  font-size: clamp(1.08rem, 1.3vw, 1.22rem);
  line-height: 1.86;
}

.chapter-body .chapter-opening::first-letter {
  float: left;
  margin: 0.12em 0.1em 0 0;
  color: var(--burgundy);
  font-size: 4.4em;
  line-height: 0.74;
}

.chapter-body .dialogue {
  padding-left: 1.25em;
  text-indent: -1.25em;
}

.scene-break {
  margin: clamp(3rem, 7vw, 5rem) 0;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.5em;
  text-align: center;
}

.chapter-end {
  margin-top: clamp(4rem, 8vw, 7rem);
  padding: clamp(2rem, 5vw, 3.2rem);
  border-top: 1px solid rgba(122, 47, 63, 0.22);
  border-bottom: 1px solid rgba(122, 47, 63, 0.22);
  background: var(--mist);
}

.chapter-end > p {
  margin-bottom: 1.6rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-style: italic;
  line-height: 1.4;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    position: relative;
    display: block;
  }

  .mobile-nav summary {
    padding: 0.48rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    list-style: none;
    text-transform: uppercase;
  }

  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    display: flex;
    width: min(78vw, 270px);
    flex-direction: column;
    overflow: hidden;
    border-radius: 0.6rem;
    color: #fff;
    background: rgba(23, 33, 43, 0.98);
    box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.2);
  }

  .mobile-nav nav a {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.88rem;
    text-decoration: none;
  }

  .mobile-nav nav a:last-child {
    border-bottom: 0;
  }

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

  .hero-copy {
    min-height: 590px;
  }

  .hero-portrait {
    min-height: 560px;
  }

  .hero-portrait::after {
    background: linear-gradient(180deg, #e7edef 0%, transparent 20%);
  }

  .quick-links {
    grid-template-columns: 1fr 1fr;
  }

  .quick-links a:nth-child(2) {
    border-right: 0;
  }

  .quick-links a:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .video-section,
  .about,
  .final-links {
    grid-template-columns: 1fr;
  }

  .video-copy {
    max-width: 650px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 76px;
    gap: 0.65rem;
    padding: 0.7rem 1rem;
  }

  .brand-name {
    font-size: 1rem;
  }

  .brand-role {
    font-size: 0.58rem;
  }

  .social-nav {
    gap: 0.32rem;
  }

  .social-nav a {
    width: 37px;
    height: 37px;
  }

  .social-nav svg {
    width: 17px;
    height: 17px;
  }

  .hero-copy {
    min-height: 0;
    padding: 4.3rem 1.3rem;
  }

  .award-pill {
    margin-bottom: 1.8rem;
    font-size: 0.67rem;
  }

  .hero h1 {
    font-size: clamp(4rem, 20vw, 6rem);
  }

  .hero-line {
    font-size: 1.4rem;
  }

  .hero-portrait {
    min-height: 440px;
  }

  .hero-portrait img {
    object-position: 36% center;
  }

  .quick-links a {
    min-height: 112px;
    padding: 1.2rem 1rem;
  }

  .video-section {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .section {
    width: min(100% - 2rem, 640px);
  }

  .book-section {
    grid-template-columns: 1fr;
    gap: 4.5rem;
  }

  .book-visual img {
    width: min(77vw, 340px);
  }

  .origin-note {
    grid-template-columns: 1fr;
    gap: 1rem;
    width: min(100% - 2rem, 640px);
  }

  .prize-section {
    grid-template-columns: 1fr;
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .prize-media {
    width: min(86vw, 430px);
    justify-self: center;
  }

  .prize-mark {
    right: -0.5rem;
    bottom: 3.3rem;
    width: 140px;
    min-height: 140px;
  }

  .prize-mark strong {
    font-size: 2.7rem;
  }

  .work-in-progress {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-copy {
    padding-top: 0;
  }

  .final-links {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .final-link-grid {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .post-card {
    grid-template-columns: 1fr;
    gap: 1.3rem;
  }

  .post-index {
    font-size: 3rem;
  }

  .blog-note {
    flex-direction: column;
    gap: 0.4rem;
  }

  .article-page {
    width: min(100% - 2rem, 720px);
  }

  .chapter-reader {
    width: min(100% - 2rem, 720px);
  }

  .back-link {
    margin-bottom: 3rem;
  }

  .article-body {
    padding-top: 3rem;
  }

  .article-end {
    padding: 1.5rem;
  }

  .chapter-header .back-link {
    margin-bottom: 3rem;
  }

  .chapter-body {
    padding-top: 3rem;
  }

  .chapter-body > p {
    font-size: 1.08rem;
    line-height: 1.8;
  }

  .chapter-end {
    padding: 1.5rem;
  }
}

@media (max-width: 430px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
  }

  .brand-role {
    display: none;
  }

  .social-nav a {
    width: 32px;
    height: 32px;
  }

  .mobile-nav summary {
    padding: 0.45rem 0.62rem;
  }

  .quick-links {
    grid-template-columns: 1fr;
  }

  .quick-links a,
  .quick-links a:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-links a:last-child {
    border-bottom: 0;
  }

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

  .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}