@font-face {
  font-family: 'InterLocal';
  src: url('/fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'InterLocal';
  src: url('/fonts/Inter-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'InterLocal';
  src: url('/fonts/Inter-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray-100: #f5f5f5;
  --color-gray-300: #cccccc;
  --color-gray-500: #888888;
  --color-gray-700: #444444;
  --color-overlay: rgba(0, 0, 0, 0.45);
  --color-overlay-heavy: rgba(0, 0, 0, 0.65);
  --font-primary: 'InterLocal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --sidebar-width: 80px;
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  touch-action: none;
}

html.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.75;
}

.site-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 0 2.5rem;
  background: var(--color-black);
}

.nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 950;
}

.nav-toggle__line {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition-medium), opacity var(--transition-fast);
  transform-origin: center;
}

.nav-toggle--active .nav-toggle__line:first-child {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle--active .nav-toggle__line:last-child {
  transform: translateY(-5px) rotate(-45deg);
}

.sidebar-link {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: capitalize;
  white-space: nowrap;
  transition: opacity var(--transition-fast), letter-spacing var(--transition-fast);
}

.sidebar-link:hover {
  opacity: 0.7;
  letter-spacing: 0.12em;
}

.sidebar-brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.sidebar-brand:hover {
  opacity: 0.75;
}

.sidebar-brand__mark {
  width: 18px;
  height: 18px;
  filter: grayscale(100%);
  flex-shrink: 0;
}

.sidebar-brand__dot {
  opacity: 0.6;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay-heavy);
  z-index: 920;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.nav-overlay--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-panel {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  width: min(320px, calc(100vw - var(--sidebar-width)));
  height: 100vh;
  background: var(--color-black);
  border-right: 1px solid var(--color-gray-700);
  z-index: 930;
  padding: 3rem 2rem;
  transform: translateX(-100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition-medium), visibility var(--transition-medium);
}

.nav-panel--visible {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.nav-panel__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.nav-panel__link {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: block;
  position: relative;
  padding-left: 0;
  transition: padding-left var(--transition-fast), opacity var(--transition-fast);
}

.nav-panel__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--color-white);
  transition: width var(--transition-fast);
}

.nav-panel__link:hover {
  padding-left: 1.5rem;
  opacity: 1;
}

.nav-panel__link:hover::before {
  width: 1rem;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -2%;
  width: 104%;
  height: 104%;
  object-fit: cover;
  filter: grayscale(100%);
}

.hero__bg-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  will-change: transform;
  backface-visibility: hidden;
}

.hero__bg-wrap--locked {
  will-change: auto;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.35) 45%,
    rgba(0, 0, 0, 0.2) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 4rem calc(var(--sidebar-width) + 3rem) 5rem calc(var(--sidebar-width) + 3rem);
  max-width: 900px;
}

.hero-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.hero-animate--visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero--branded .hero__title {
  letter-spacing: -0.03em;
}

.hero--branded .hero__subtitle {
  max-width: 480px;
}

.hero__subtitle {
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-gray-300);
  max-width: 520px;
}

.hero__cta {
  position: absolute;
  bottom: 3rem;
  right: 3rem;
  z-index: 3;
}

.btn-outline {
  display: inline-block;
  padding: 0.875rem 2.25rem;
  border: 1px solid var(--color-white);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-black);
  opacity: 1;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-outline--dark {
  border-color: var(--color-black);
  color: var(--color-black);
}

.btn-outline--dark:hover {
  background: var(--color-black);
  color: var(--color-white);
  opacity: 1;
}

.seo-feature {
  padding: 4rem calc(var(--sidebar-width) + 3rem) 5rem calc(var(--sidebar-width) + 3rem);
  background: var(--color-white);
  color: var(--color-black);
}

.seo-feature__eyebrow {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-gray-700);
  margin-bottom: 3rem;
  letter-spacing: 0.01em;
}

.seo-feature__grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.1fr);
  gap: 4rem;
  align-items: center;
}

.seo-feature__content {
  max-width: 520px;
}

.seo-feature__icon {
  width: 56px;
  height: 56px;
  color: var(--color-gray-500);
  margin-bottom: 2rem;
}

.seo-feature__icon svg {
  width: 100%;
  height: 100%;
}

.seo-feature__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.seo-feature__text {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-gray-700);
  margin-bottom: 1.25rem;
}

.seo-feature__content .btn-outline {
  margin-top: 1rem;
}

.seo-feature__ladder {
  position: relative;
  height: clamp(420px, 52vw, 560px);
  width: 100%;
}

.seo-feature__step {
  position: absolute;
  right: 0;
  height: 33.333%;
  overflow: hidden;
}

.seo-feature__step--1 {
  top: 0;
  left: 0;
  width: 100%;
}

.seo-feature__step--2 {
  top: 33.333%;
  left: 11%;
  width: 89%;
}

.seo-feature__step--3 {
  top: 66.666%;
  left: 22%;
  width: 78%;
}

.seo-feature__step img {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 300%;
  max-width: none;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter var(--transition-medium), transform var(--transition-slow);
}

.seo-feature__step--1 img {
  top: 0;
}

.seo-feature__step--2 img {
  top: -100%;
  width: calc(100% / 0.89);
}

.seo-feature__step--3 img {
  top: -200%;
  width: calc(100% / 0.78);
}

.seo-feature__ladder:hover .seo-feature__step img {
  filter: grayscale(60%);
}

.seo-feature__step--1:hover img,
.seo-feature__step--2:hover img,
.seo-feature__step--3:hover img {
  transform: scale(1.03);
}

.seo-timeline {
  padding: 5rem calc(var(--sidebar-width) + 3rem);
  background: var(--color-black);
  color: var(--color-white);
}

.seo-timeline__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.seo-timeline__mark {
  display: block;
  width: 10px;
  height: 10px;
  border: 1px solid var(--color-white);
  flex-shrink: 0;
}

.seo-timeline__heading {
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.seo-timeline__grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 480px);
  gap: 4rem;
  align-items: start;
}

.seo-timeline__list {
  position: relative;
  padding-left: 2rem;
}

.seo-timeline__list::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: var(--color-gray-700);
}

.seo-timeline__item {
  position: relative;
  padding: 1.75rem 0 1.75rem 1.5rem;
  cursor: default;
  transition: opacity var(--transition-medium);
}

.seo-timeline__item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 2.125rem;
  width: 9px;
  height: 9px;
  border: 1px solid var(--color-gray-500);
  background: var(--color-black);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.seo-timeline__item.is-active::before {
  background: var(--color-white);
  border-color: var(--color-white);
}

.seo-timeline__item:not(.is-active) {
  opacity: 0.35;
}

.seo-timeline__item.is-active,
.seo-timeline__item:hover,
.seo-timeline__item:focus {
  opacity: 1;
  outline: none;
}

.seo-timeline__item-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
  line-height: 1.3;
}

.seo-timeline__item-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray-300);
  max-width: 420px;
}

.seo-timeline__preview {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin-left: auto;
  overflow: hidden;
  background: #111111;
}

.seo-timeline__preview-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0;
  transition: opacity var(--transition-medium), filter var(--transition-medium);
}

.seo-timeline__preview-img.is-visible {
  opacity: 1;
}

.seo-timeline__preview:hover .seo-timeline__preview-img.is-visible {
  filter: grayscale(70%);
}

.studio-video {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--color-black);
}

.studio-video__media {
  position: absolute;
  inset: 0;
}

.studio-video__player {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.studio-video__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.15) 40%,
    rgba(0, 0, 0, 0.45) 100%
  );
}

.studio-video__labels {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto 1fr auto;
  padding: 3rem calc(var(--sidebar-width) + 3rem) 3rem calc(var(--sidebar-width) + 3rem);
  pointer-events: none;
}

.studio-video__tag {
  font-size: clamp(0.75rem, 1.2vw, 0.9375rem);
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.studio-video__tag--pos-tl {
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  justify-self: start;
  max-width: 200px;
}

.studio-video__tag--pos-tc {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  justify-self: center;
  text-align: center;
  max-width: 220px;
}

.studio-video__tag--pos-tr {
  grid-column: 3;
  grid-row: 1;
  align-self: start;
  justify-self: end;
  text-align: right;
  max-width: 200px;
}

.studio-video__tag--pos-bl {
  grid-column: 1;
  grid-row: 3;
  align-self: end;
  justify-self: start;
}

.studio-video__tag--pos-bc {
  grid-column: 2;
  grid-row: 3;
  align-self: end;
  justify-self: center;
  text-align: center;
}

.studio-video__tag--pos-br {
  grid-column: 3;
  grid-row: 3;
  align-self: end;
  justify-self: end;
  text-align: right;
}

.studio-video__brand {
  pointer-events: auto;
}

.studio-video__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.studio-video__subtitle {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  font-weight: 400;
  color: var(--color-gray-300);
}

.section {
  padding: 5rem calc(var(--sidebar-width) + 3rem) 5rem calc(var(--sidebar-width) + 3rem);
  background: var(--color-black);
}

.section--light {
  background: #111111;
}

.section__header {
  margin-bottom: 3.5rem;
}

.section__header .section__more {
  margin-top: 1.5rem;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.article-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-gray-700);
  background: var(--color-black);
  transition: transform var(--transition-medium), border-color var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gray-500);
}

.article-card__image-wrap {
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.article-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slow), filter var(--transition-medium);
}

.article-card:hover .article-card__image {
  transform: scale(1.05);
  filter: grayscale(70%);
}

.article-card__body {
  padding: 1.5rem;
}

.article-card__date {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.article-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.article-card__excerpt {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  line-height: 1.6;
}

.article-card__read {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.article-card:hover .article-card__read {
  color: var(--color-white);
}

.articles-page-intro {
  max-width: 680px;
  margin-bottom: 3.5rem;
}

.articles-page-intro .section__label {
  margin-bottom: 1rem;
}

.articles-page-intro p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-gray-300);
}

.articles-page-grid {
  margin-bottom: 2rem;
}

.article-card__link {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-content {
  padding-top: 2rem;
  padding-left: calc(var(--sidebar-width) + 3rem);
  padding-right: 3rem;
  padding-bottom: 4rem;
  min-height: 100vh;
}

.page-content--hero {
  padding-top: 0;
}

.page-header {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  margin-bottom: 3rem;
  margin-left: calc(-1 * (var(--sidebar-width) + 3rem));
  margin-right: -3rem;
  overflow: hidden;
}

.page-header__bg {
  position: absolute;
  inset: 0;
}

.page-header__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.page-header__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 100%);
}

.page-header__text {
  position: relative;
  z-index: 2;
  padding: 3rem calc(var(--sidebar-width) + 3rem);
  width: 100%;
}

.page-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header__meta {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  margin-top: 0.75rem;
}

.article-body {
  max-width: none;
  min-width: 0;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 3rem;
  max-width: 1140px;
  align-items: start;
}

.article-body > .article-toc {
  display: none;
}

.article-plan {
  position: sticky;
  top: 2rem;
  padding: 1.375rem 1.25rem;
  border: 1px solid var(--color-gray-700);
  background: var(--color-gray-900);
}

.article-plan__title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-gray-700);
}

.article-plan__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-plan__list li {
  margin: 0;
}

.article-plan__link {
  display: block;
  padding: 0.4375rem 0 0.4375rem 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-gray-500);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.article-plan__link:hover {
  color: var(--color-white);
  opacity: 1;
}

.article-plan__link.is-active {
  color: var(--color-white);
}

.article-related {
  max-width: 1140px;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-gray-700);
}

.article-related__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 1.75rem;
}

.article-related__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.article-related .article-card__title {
  font-size: 1.125rem;
}

.article-back {
  margin-bottom: 2rem;
}

.article-back a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.article-back a:hover {
  color: var(--color-white);
  opacity: 1;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
  scroll-margin-top: 2rem;
}

.article-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

.article-body p {
  font-size: 1rem;
  color: var(--color-gray-300);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--color-gray-300);
}

.article-body li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.article-body figure {
  margin: 2.5rem 0;
}

.article-body figcaption {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  margin-top: 0.75rem;
  text-align: center;
}

.article-body img {
  width: 100%;
  filter: grayscale(100%);
  border: 1px solid var(--color-gray-700);
}

.article-category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-gray-500);
  margin-right: 0.5rem;
}

.article-category--urbanismo {
  border-color: var(--color-gray-400);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
}

.article-category--materiales {
  border-style: dashed;
  border-color: var(--color-gray-500);
}

.article-category--interiores {
  border-color: var(--color-gray-300);
  letter-spacing: 0.14em;
}

.article-lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-gray-200);
  margin-bottom: 2rem;
  padding-left: 1rem;
}

.article-toc {
  background: var(--color-gray-900);
  border: 1px solid var(--color-gray-700);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0 2.5rem;
}

.article-toc__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 1rem;
}

.article-toc ol {
  margin: 0;
  padding-left: 1.25rem;
}

.article-toc a {
  color: var(--color-gray-300);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.article-toc a:hover {
  color: var(--color-white);
  opacity: 1;
}

.article-table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--color-gray-700);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.article-table caption {
  text-align: left;
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  padding: 0.75rem 1rem;
  caption-side: bottom;
}

.article-table th,
.article-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-700);
}

.article-table th {
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-gray-900);
  color: var(--color-gray-300);
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.article-chart {
  margin: 2.5rem 0;
  padding: 1.75rem;
  border: 1px solid var(--color-gray-700);
  background: var(--color-gray-900);
}

.article-chart__title {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 1.5rem;
}

.article-chart__row {
  display: grid;
  grid-template-columns: 120px 1fr 48px;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.article-chart__row:last-child {
  margin-bottom: 0;
}

.article-chart__label {
  font-size: 0.875rem;
  color: var(--color-gray-300);
}

.article-chart__bar-wrap {
  height: 8px;
  background: var(--color-gray-800);
  overflow: hidden;
}

.article-chart__bar {
  height: 100%;
  width: 0;
  background: var(--color-white);
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.article-chart__bar.is-animated {
  width: var(--bar, 50%);
}

.article-chart__value {
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: right;
  color: var(--color-gray-400);
}

.article-tabs {
  margin: 2.5rem 0;
  border: 1px solid var(--color-gray-700);
}

.article-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-gray-700);
  background: var(--color-gray-900);
}

.article-tabs__btn {
  flex: 1;
  min-width: 120px;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  background: transparent;
  border: none;
  border-right: 1px solid var(--color-gray-700);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.article-tabs__btn:last-child {
  border-right: none;
}

.article-tabs__btn:hover {
  color: var(--color-white);
}

.article-tabs__btn.is-active {
  color: var(--color-black);
  background: var(--color-white);
}

.article-tabs__panel {
  display: none;
  padding: 1.75rem;
}

.article-tabs__panel.is-active {
  display: block;
}

.article-tabs__panel p:last-child {
  margin-bottom: 0;
}

.article-accordion {
  margin: 2.5rem 0;
  border: 1px solid var(--color-gray-700);
}

.article-accordion__item {
  border-bottom: 1px solid var(--color-gray-700);
}

.article-accordion__item:last-child {
  border-bottom: none;
}

.article-accordion__item summary {
  padding: 1.125rem 1.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-fast);
}

.article-accordion__item summary::-webkit-details-marker {
  display: none;
}

.article-accordion__item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-gray-500);
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.article-accordion__item.is-open summary::after {
  transform: rotate(45deg);
}

.article-accordion__item summary:hover {
  background: rgba(255, 255, 255, 0.03);
}

.article-accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.article-accordion__item.is-open .article-accordion__panel {
  grid-template-rows: 1fr;
}

.article-accordion__body {
  overflow: hidden;
  min-height: 0;
  padding: 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-gray-300);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), padding 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.article-accordion__item.is-open .article-accordion__body {
  opacity: 1;
  transform: translateY(0);
  padding: 0 1.5rem 1.25rem;
}

@media (prefers-reduced-motion: reduce) {
  .article-accordion__panel,
  .article-accordion__body,
  .article-accordion__item summary::after {
    transition: none;
  }

  .article-accordion__item:not(.is-open) .article-accordion__body {
    opacity: 0;
    transform: none;
  }

  .article-accordion__item.is-open .article-accordion__body {
    opacity: 1;
    transform: none;
  }
}

.article-callout {
  margin: 2rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--color-gray-900);
}

.article-callout--brand {
  padding-left: 1.5rem;
}

.article-callout--brand .article-callout__label {
  color: var(--color-gray-300);
}

.article-callout__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 0.5rem;
}

.article-callout p:last-child {
  margin-bottom: 0;
}

.article-brand {
  margin-top: 3rem;
  padding: 2rem 1.75rem;
  border: 1px solid var(--color-gray-700);
  text-align: center;
}

.article-brand__mark {
  display: block;
  margin: 0 auto 1rem;
  filter: grayscale(100%);
}

.article-brand__name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.article-brand__text {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  line-height: 1.65;
  max-width: 36rem;
  margin: 0 auto 1.25rem;
}

.article-brand__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1rem;
}

.article-brand__links a {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

.article-brand__links a:hover {
  color: var(--color-white);
  opacity: 1;
}

.article-brand__links span {
  color: var(--color-gray-600);
}

.article-brand__updated {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

.article-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 2.5rem 0;
  background: var(--color-gray-700);
  border: 1px solid var(--color-gray-700);
}

.article-stat {
  background: var(--color-black);
  padding: 1.5rem 1rem;
  text-align: center;
}

.article-stat__num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.375rem;
}

.article-stat__label {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  line-height: 1.4;
}

.article-checklist {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
  border: 1px solid var(--color-gray-700);
}

.article-checklist li {
  border-bottom: 1px solid var(--color-gray-700);
  margin: 0;
}

.article-checklist li:last-child {
  border-bottom: none;
}

.article-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--color-gray-300);
  transition: background var(--transition-fast);
}

.article-checklist label:hover {
  background: rgba(255, 255, 255, 0.03);
}

.article-checklist input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-white);
  flex-shrink: 0;
}

.article-checklist input:checked + span {
  text-decoration: line-through;
  color: var(--color-gray-500);
}

.article-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 2.5rem 0;
  background: var(--color-gray-700);
  border: 1px solid var(--color-gray-700);
}

.article-compare__col {
  background: var(--color-gray-900);
  padding: 1.5rem;
}

.article-compare__heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-gray-700);
}

.article-compare__col ul {
  margin: 0;
  padding-left: 1.125rem;
  font-size: 0.9375rem;
}

.articles-category {
  margin-bottom: 4.5rem;
}

.articles-category:last-child {
  margin-bottom: 2rem;
}

.articles-category__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-gray-700);
}

.articles-category__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.articles-category__desc {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  max-width: 480px;
  line-height: 1.6;
}

.articles-category__count {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

.article-card__category {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 0.375rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-grid__image img {
  width: 100%;
  filter: grayscale(100%);
  border: 1px solid var(--color-gray-700);
}

.about-grid__text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.about-grid__text p {
  color: var(--color-gray-300);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info__item {
  margin-bottom: 2rem;
}

.contact-info__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 0.5rem;
}

.contact-info__value {
  font-size: 1.125rem;
  font-weight: 500;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--color-gray-300);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: transparent;
  border: 1px solid var(--color-gray-700);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  align-self: flex-start;
}

.legal-content {
  max-width: 900px;
}

.legal-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 1.5rem 0 0.625rem;
}

.legal-notice {
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  background: var(--color-gray-900);
  border-top: 1px solid var(--color-gray-700);
  border-right: 1px solid var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-700);
}

.legal-notice__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-300);
  margin-bottom: 0.625rem;
}

.legal-notice p:last-child {
  margin-bottom: 0;
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 1.25rem 0 1.75rem;
  border: 1px solid var(--color-gray-700);
}

.legal-content th,
.legal-content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-700);
  color: var(--color-gray-300);
}

.legal-content th {
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-gray-900);
}

.legal-content h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.legal-content .legal-updated {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  margin-bottom: 2.5rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

.legal-content p,
.legal-content li {
  font-size: 0.9375rem;
  color: var(--color-gray-300);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.legal-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.site-footer {
  border-top: 1px solid var(--color-gray-700);
  padding: 3rem calc(var(--sidebar-width) + 3rem);
  background: var(--color-black);
}

.site-footer__banner {
  margin-left: calc(-1 * (var(--sidebar-width) + 3rem));
  margin-right: -3rem;
  border-bottom: 1px solid var(--color-gray-700);
  padding: 3rem 1.5rem 2.5rem;
  margin-bottom: 2.5rem;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.site-footer__3d {
  margin: 0;
  display: inline-block;
  font-size: clamp(3rem, 14vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--color-white);
  text-align: center;
  transform: translate(-6px, -6px);
  text-shadow:
    1px 1px 0 #d6d6d6,
    2px 2px 0 #c2c2c2,
    3px 3px 0 #aeaeae,
    4px 4px 0 #9a9a9a,
    5px 5px 0 #868686,
    6px 6px 0 #727272,
    7px 7px 0 #5e5e5e,
    8px 8px 0 #4a4a4a,
    9px 9px 0 #363636,
    10px 10px 0 #222222,
    12px 12px 24px rgba(0, 0, 0, 0.55);
  user-select: none;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.site-footer__brand {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.site-footer__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.6;
  max-width: 320px;
}

.site-footer__heading {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 1.25rem;
}

.site-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.site-footer__links a {
  font-size: 0.875rem;
  color: var(--color-gray-300);
}

.site-footer__contact p {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  margin-bottom: 0.5rem;
}

.site-footer__disclaimer {
  border: 1px solid var(--color-gray-700);
  padding: 2rem 2.25rem;
  margin-bottom: 2.5rem;
  background: var(--color-gray-900);
}

.site-footer__disclaimer p {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--color-gray-500);
  margin-bottom: 1rem;
}

.site-footer__disclaimer > p:last-child {
  margin-bottom: 0;
}

.site-footer__disclaimer-alert {
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  background: rgba(255, 255, 255, 0.03);
}

.site-footer__disclaimer-alert-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-300);
  margin-bottom: 0.625rem;
}

.site-footer__disclaimer-alert p:last-child {
  margin-bottom: 0;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-gray-700);
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: var(--color-black);
  border-top: 1px solid var(--color-gray-700);
  padding: 1.25rem calc(var(--sidebar-width) + 2rem) 1.25rem 2rem;
  transform: translateY(100%);
  transition: transform var(--transition-medium);
}

.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner--hidden {
  transform: translateY(100%);
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-banner__text {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  line-height: 1.5;
}

.cookie-banner__text a {
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-banner__btn {
  padding: 0.625rem 1.25rem;
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--color-gray-700);
  background: transparent;
  color: var(--color-white);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.cookie-banner__btn--accept {
  border-color: var(--color-white);
}

.cookie-banner__btn--accept:hover {
  background: var(--color-white);
  color: var(--color-black);
}

.cookie-banner__btn--reject:hover {
  border-color: var(--color-white);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.6;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator__line {
  width: 1px;
  height: 40px;
  background: var(--color-white);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 60px;
  }

  .site-sidebar {
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--sidebar-width);
    height: auto;
    padding: 1.5rem 0 2rem;
    background: var(--color-black);
    z-index: 900;
  }

  .sidebar-link {
    display: none;
  }

  .sidebar-brand {
    display: block;
    font-size: 0.875rem;
  }

  .nav-toggle {
    position: static;
    padding: 0.5rem;
    background: none;
  }

  .hero {
    min-height: 85vh;
  }

  .hero__content {
    padding: 5rem 1.5rem 2rem calc(var(--sidebar-width) + 1rem);
    max-width: 100%;
  }

  .hero__cta {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: 2rem;
    padding: 0 1.5rem 2rem calc(var(--sidebar-width) + 1rem);
  }

  .section {
    padding: 3.5rem 1.5rem 3.5rem calc(var(--sidebar-width) + 1rem);
  }

  .seo-feature {
    padding: 3rem 1.5rem 3.5rem calc(var(--sidebar-width) + 1rem);
  }

  .seo-feature__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .seo-feature__eyebrow {
    margin-bottom: 2rem;
  }

  .seo-feature__ladder {
    height: clamp(320px, 70vw, 440px);
  }

  .seo-feature__step--2 {
    left: 8%;
    width: 92%;
  }

  .seo-feature__step--3 {
    left: 16%;
    width: 84%;
  }

  .seo-feature__step--2 img {
    width: calc(100% / 0.92);
  }

  .seo-feature__step--3 img {
    width: calc(100% / 0.84);
  }

  .seo-timeline {
    padding: 3.5rem 1.5rem 3.5rem calc(var(--sidebar-width) + 1rem);
  }

  .seo-timeline__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .seo-timeline__preview {
    max-width: 100%;
    margin-left: 0;
  }

  .seo-timeline__header {
    margin-bottom: 2rem;
  }

  .studio-video__labels {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto 1fr auto auto;
    padding: 2.5rem 1.5rem 2.5rem calc(var(--sidebar-width) + 1rem);
    gap: 1rem;
  }

  .studio-video__tag--pos-tl {
    grid-column: 1;
    grid-row: 1;
  }

  .studio-video__tag--pos-tr {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .studio-video__tag--pos-tc {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    text-align: left;
  }

  .studio-video__tag--pos-bl {
    grid-column: 1 / -1;
    grid-row: 4;
  }

  .studio-video__tag--pos-bc {
    grid-column: 1;
    grid-row: 5;
    justify-self: start;
  }

  .studio-video__tag--pos-br {
    grid-column: 2;
    grid-row: 5;
    justify-self: end;
  }

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

  .article-chart__row {
    grid-template-columns: 90px 1fr 40px;
    gap: 0.625rem;
  }

  .article-stat-grid {
    grid-template-columns: 1fr;
  }

  .article-compare {
    grid-template-columns: 1fr;
  }

  .article-tabs__btn {
    min-width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-gray-700);
  }

  .article-tabs__btn:last-child {
    border-bottom: none;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: none;
  }

  .article-plan {
    position: static;
    order: -1;
  }

  .article-related__grid {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding-left: calc(var(--sidebar-width) + 1rem);
    padding-right: 1.5rem;
  }

  .page-header {
    margin-left: calc(-1 * (var(--sidebar-width) + 1rem));
    margin-right: -1.5rem;
  }

  .page-header__text {
    padding: 2rem calc(var(--sidebar-width) + 1rem);
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer {
    padding: 2.5rem 1.5rem 2.5rem calc(var(--sidebar-width) + 1rem);
  }

  .site-footer__banner {
    margin-left: calc(-1 * (var(--sidebar-width) + 1rem));
    margin-right: -1.5rem;
    padding: 2rem 1rem 1.75rem;
    margin-bottom: 1.75rem;
  }

  .site-footer__3d {
    transform: translate(-4px, -4px);
    font-size: clamp(2.5rem, 18vw, 4.5rem);
    text-shadow:
      1px 1px 0 #d6d6d6,
      2px 2px 0 #b8b8b8,
      3px 3px 0 #9a9a9a,
      4px 4px 0 #7c7c7c,
      5px 5px 0 #5e5e5e,
      6px 6px 0 #404040,
      7px 7px 16px rgba(0, 0, 0, 0.5);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer__disclaimer {
    padding: 1.5rem 1.25rem;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .cookie-banner {
    padding: 1rem;
  }

  .cookie-banner__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-panel {
    top: 0;
    left: var(--sidebar-width);
    width: calc(100vw - var(--sidebar-width));
    max-width: none;
    height: 100vh;
    height: 100dvh;
    border-right: none;
    z-index: 950;
    padding: 5rem 1.5rem 2rem 1.5rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  body.menu-open .site-sidebar {
    z-index: 970;
  }

  body.menu-open .nav-toggle {
    position: relative;
    background: transparent;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .btn-outline {
    padding: 0.75rem 1.5rem;
    font-size: 0.8125rem;
  }
}