:root {
  --paper: #ffffff;
  --paper-deep: #f3f3f3;
  --ink: #1c1c1c;
  --muted: #6e6e6e;
  --line: #e6e6e6;
  --white: #ffffff;
  --teal: #168f9a;
  --teal-dark: #08737d;
  --coral: #c9513f;
  --gold: #d8aa45;
  --sage: #7e967b;
  --blue: #698aa1;
  --rose: #f7d6cf;
  --mint: #ecf7ee;
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  --soft-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
  --max-width: 1118px;
  --brand-logo: url("assets/bapc-horizontal-teal-on-white.png");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: proxima-nova, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  line-height: 1.7;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: var(--teal-dark);
  text-underline-offset: 0.2em;
}

a:hover,
a:focus {
  color: var(--coral);
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
}

.skip-link:focus {
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(100%, var(--max-width));
  min-height: 0;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 112px;
  padding: 0.85rem 1rem 0.65rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: min(390px, 78vw);
  height: 102px;
  color: transparent;
  background: var(--brand-logo) center / contain no-repeat;
  border-radius: 0;
  box-shadow: none;
  font-size: 0;
  line-height: 0;
}

.brand strong,
.brand small {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.brand strong {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.8rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  padding: 0.62rem 1rem 0.78rem;
  margin: 0;
  list-style: none;
  background: var(--paper-deep);
  font-family: proxima-nova, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: uppercase;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0.2rem 0.85rem;
  color: var(--ink);
  border-bottom: 0;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a[aria-current="page"] {
  color: #999999;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0;
}

.nav-toggle span[aria-hidden="true"] {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.section {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 4.75rem 0;
}

.hero {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(360px, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 3rem;
  padding-top: 2.75rem;
  padding-bottom: 3rem;
  text-align: left;
}

.hero-copy {
  position: relative;
  max-width: 760px;
  margin: 0;
}

.hero-copy::before {
  display: none;
}

.hero h1,
.intro h2,
.section-heading h2,
.split h2,
.cta h2,
.article-hero h1,
.article-body h2 {
  margin: 0;
  font-weight: 100;
  line-height: 1.14;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 11ch;
  color: var(--ink);
  font-size: clamp(2.1rem, 4vw, 3.65rem);
}

.article-hero h1 {
  max-width: 15ch;
  font-size: clamp(2.45rem, 5vw, 4.2rem);
}

.hero-lede {
  max-width: 38rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.12rem);
}

.brand-service-line {
  max-width: 38rem;
  margin: 1rem 0 0;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.75;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--coral);
  font-family: proxima-nova, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.85rem;
  margin-top: 1.55rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.92rem 2.05rem;
  border-radius: 0;
  font-family: proxima-nova, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  transition: opacity 120ms ease, background 120ms ease, color 120ms ease;
}

.button-primary {
  color: var(--white);
  background: #272727;
}

.button-primary:hover,
.button-primary:focus {
  color: var(--white);
  background: #272727;
  opacity: 0.82;
}

.button-secondary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid #272727;
}

.button-secondary:hover,
.button-secondary:focus {
  color: var(--white);
  background: #272727;
}

.brand-hero-image {
  width: min(100%, 650px);
  margin: 0 auto;
  padding: 1rem 0;
  border-top: 1px solid #bdbdbd;
  border-bottom: 1px solid #bdbdbd;
}

.brand-hero-image img {
  display: block;
  width: 100%;
  max-height: 340px;
  object-fit: cover;
}

.brand-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  padding-top: 1.25rem;
  padding-bottom: 2.25rem;
}

.brand-proof-card {
  display: grid;
  gap: 0.9rem;
  color: var(--ink);
  text-align: center;
  text-decoration: none;
}

.brand-proof-card:hover,
.brand-proof-card:focus {
  color: var(--muted);
}

.brand-proof-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7f7f7;
  border: 1px solid #eeeeee;
}

.brand-proof-card span {
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .nav {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    padding: 0.75rem 0;
  }

  .brand {
    min-width: 100%;
    min-height: 100px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.25rem 0.85rem;
    font-size: 0.86rem;
  }

  .nav-links a {
    min-height: 36px;
  }
}

.paper-scene {
  position: relative;
  min-height: 520px;
}

.paper-scene::before {
  position: absolute;
  inset: 6% 4% 5% 8%;
  content: "";
  background:
    linear-gradient(90deg, rgba(32, 49, 58, 0.045) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(0deg, rgba(32, 49, 58, 0.035) 1px, transparent 1px) 0 0 / 32px 32px,
    #fff4df;
  border: 1px solid rgba(220, 198, 170, 0.82);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}

.collage-card,
.collage-note {
  position: absolute;
  z-index: 1;
  display: grid;
  gap: 0.55rem;
  background: var(--white);
  border: 1px solid rgba(220, 198, 170, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.collage-card {
  color: var(--ink);
  overflow: hidden;
  text-decoration: none;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.collage-card:hover,
.collage-card:focus {
  color: var(--ink);
  box-shadow: 0 14px 32px rgba(35, 49, 58, 0.16);
  transform: translateY(-3px) rotate(var(--card-rotate, 0deg));
}

.collage-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 0.75rem;
  object-fit: contain;
  background:
    linear-gradient(90deg, rgba(220, 198, 170, 0.38) 1px, transparent 1px) 0 0 / 24px 24px,
    #fffaf1;
  border-bottom: 1px solid rgba(220, 198, 170, 0.78);
}

.collage-card span,
.collage-note span {
  color: var(--coral);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.collage-card span,
.collage-card strong {
  padding-right: 1rem;
  padding-left: 1rem;
}

.collage-card strong {
  padding-bottom: 1rem;
  font-size: 1.12rem;
  line-height: 1.12;
}

.collage-card-large {
  --card-rotate: -4deg;
  top: 1%;
  left: 2%;
  width: 58%;
  min-height: 320px;
  grid-template-rows: 1fr auto auto;
  transform: rotate(var(--card-rotate));
}

.collage-card-tall {
  --card-rotate: 5deg;
  top: 7%;
  right: 0;
  width: 43%;
  min-height: 275px;
  grid-template-rows: 1fr auto auto;
  transform: rotate(var(--card-rotate));
}

.collage-card-small {
  --card-rotate: -1deg;
  right: 12%;
  bottom: 4%;
  width: 47%;
  min-height: 210px;
  grid-template-rows: 1fr auto auto;
  transform: rotate(var(--card-rotate));
}

.collage-note {
  left: 0;
  bottom: 13%;
  width: 38%;
  padding: 1.15rem;
  background: var(--mint);
  transform: rotate(2deg);
}

.collage-note strong {
  font-size: 1.15rem;
  line-height: 1.18;
}

.intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  padding: 3.25rem 0;
  border-top: 1px solid #bdbdbd;
  border-bottom: 1px solid #bdbdbd;
}

.intro h2,
.section-heading h2,
.split h2,
.cta h2,
.article-body h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.intro p:last-child,
.section-heading p,
.split p,
.cta p {
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.topic-grid,
.category-grid,
.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.topic,
.category,
.reason-grid article,
.kindness-panel,
.guide,
details {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #eeeeee;
  border-radius: 0;
  box-shadow: none;
}

.topic::before,
.category::before,
.guide::before,
.product-choice-list article::before,
.comparison-grid article::before,
.note-panel::before {
  display: none;
}

.topic,
.category,
.reason-grid article {
  padding: 1.25rem;
}

.topic:nth-child(2)::before,
.category:nth-child(2)::before {
  background: var(--coral);
}

.topic:nth-child(3)::before,
.category:nth-child(3)::before {
  background: var(--teal);
}

.topic:nth-child(4)::before,
.category:nth-child(4)::before {
  background: var(--sage);
}

.topic h3,
.category h3,
.reason-grid h3,
.guide h3,
.kindness-panel h3 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.18;
}

.topic p,
.category p,
.reason-grid p,
.guide p {
  color: var(--muted);
}

.topic a {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
}

.featured {
  width: 100%;
  max-width: none;
  padding-right: max(1rem, calc((100vw - var(--max-width)) / 2));
  padding-left: max(1rem, calc((100vw - var(--max-width)) / 2));
  background: #f7f7f7;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.guide-list {
  display: grid;
  gap: 1rem;
}

.guide {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  align-items: start;
  padding: 1.4rem;
}

.guide-label {
  display: inline-flex;
  margin-bottom: 0.55rem;
  color: var(--teal-dark);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.products {
  padding-bottom: 2.5rem;
}

.category {
  border-top: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
  gap: 2rem;
  align-items: center;
}

.kindness-panel {
  padding: 1.5rem;
  background: #f7f7f7;
}

.kindness-panel ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
  color: var(--muted);
}

.paper-matters {
  width: 100%;
  max-width: none;
  padding-right: max(1rem, calc((100vw - var(--max-width)) / 2));
  padding-left: max(1rem, calc((100vw - var(--max-width)) / 2));
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.paper-matters,
.paper-matters .eyebrow,
.paper-matters h2,
.paper-matters h3 {
  color: var(--ink);
}

.paper-matters .section-heading p,
.paper-matters p {
  color: var(--muted);
}

.reason-grid article {
  background: var(--white);
  border-color: #eeeeee;
  box-shadow: none;
}

.faq {
  max-width: 860px;
}

.article-hero {
  padding-top: 3.25rem;
  padding-bottom: 3.75rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.92rem;
}

.breadcrumbs a {
  font-weight: 800;
  text-decoration: none;
}

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.46fr);
  gap: 2rem;
  align-items: end;
}

.guide-summary,
.toc,
.comparison-grid article,
.product-choice-list article,
.note-panel {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #eeeeee;
  border-radius: 0;
  box-shadow: none;
}

.guide-summary {
  padding: 1.4rem;
}

.guide-summary h2,
.toc h2,
.note-panel h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  line-height: 1.2;
}

.guide-summary ul,
.check-list {
  padding-left: 1.2rem;
  margin-bottom: 0;
  color: var(--muted);
}

.article-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  padding-top: 2.5rem;
}

.toc {
  position: sticky;
  top: 96px;
  padding: 1rem;
  font-family: proxima-nova, "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: #f7f7f7;
}

.toc a {
  display: block;
  padding: 0.45rem 0;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.toc a:hover,
.toc a:focus {
  color: var(--teal-dark);
}

.article-body {
  display: grid;
  gap: 3rem;
}

.article-body section {
  scroll-margin-top: 100px;
}

.article-body h2 {
  max-width: 13ch;
}

.article-body p {
  color: var(--muted);
  font-size: 1.08rem;
}

.comparison-grid,
.product-choice-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.comparison-grid article,
.product-choice-list article,
.note-panel {
  padding: 1.2rem;
}

.comparison-grid h3,
.product-choice-list h3 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.2;
}

.definition-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.4rem 0 0;
}

.definition-list div {
  padding: 1.1rem;
  background: #f7f7f7;
  border-left: 0;
  box-shadow: none;
}

.definition-list div:nth-child(2) {
  border-left-color: var(--teal);
}

.definition-list div:nth-child(3) {
  border-left-color: var(--coral);
}

.definition-list div:nth-child(4) {
  border-left-color: var(--sage);
}

.definition-list dt {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
}

.definition-list dd {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.product-choice-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-choice-list a {
  display: inline-block;
  margin-top: 0.35rem;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
}

.product-choice-list a + a {
  margin-left: 0.75rem;
}

.product-examples .section-heading {
  margin-bottom: 1.35rem;
}

.product-examples .section-heading h2 {
  max-width: 15ch;
}

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

.shop-product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #eeeeee;
  border-radius: 0;
  box-shadow: none;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.shop-product-card:hover,
.shop-product-card:focus-within {
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.product-image-link {
  display: block;
  aspect-ratio: 4 / 3;
  background: #f7f7f7;
  border-bottom: 1px solid #eeeeee;
}

.product-image-link img {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0.85rem;
  object-fit: contain;
}

.shop-product-card-body {
  display: grid;
  gap: 0.62rem;
  padding: 1rem;
}

.product-card-kicker,
.product-card-price,
.product-card-action {
  font-family: Arial, Helvetica, sans-serif;
}

.product-card-kicker {
  margin: 0;
  color: var(--teal-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.shop-product-card h3 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.18;
}

.shop-product-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.shop-product-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.shop-product-card .product-card-price {
  color: var(--ink);
  font-weight: 800;
}

.product-card-action {
  align-self: end;
  font-weight: 800;
}

.product-detail-hero {
  align-items: center;
}

.product-hero-card {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  background: var(--white);
  border: 1px solid #eeeeee;
  border-radius: 0;
  box-shadow: none;
}

.product-hero-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  padding: 0.85rem;
  background: #f7f7f7;
  border: 1px solid #eeeeee;
  border-radius: 0;
}

.product-hero-card h2,
.product-hero-card p {
  margin: 0;
}

.product-hero-card h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.15;
}

.product-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0 0;
}

.product-meta-list div {
  padding: 0.9rem;
  background: #f7f7f7;
  border: 1px solid #eeeeee;
  border-radius: 0;
}

.product-meta-list dt {
  color: var(--teal-dark);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.product-meta-list dd {
  margin: 0.25rem 0 0;
  color: var(--ink);
  font-weight: 700;
}

.note-panel {
  margin-top: 1.4rem;
  background: #f7f7f7;
}

.article-faq {
  width: 100%;
  max-width: none;
  padding: 0;
}

details {
  padding: 1.05rem 1.25rem;
}

details + details {
  margin-top: 0.75rem;
}

summary {
  cursor: pointer;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
}

details p {
  margin-bottom: 0;
  color: var(--muted);
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 2rem;
  background: #f7f7f7;
  border: 1px solid #eeeeee;
  border-radius: 0;
  box-shadow: none;
}

.cta .hero-actions {
  margin-top: 0;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 2.5rem 0;
  color: var(--muted);
  border-top: 1px solid #bdbdbd;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer p {
  margin: 0.35rem 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
}

.site-footer a {
  font-weight: 800;
  text-decoration: none;
}

.copyright {
  grid-column: 1 / -1;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
}

.not-found {
  min-height: calc(100vh - 220px);
  display: grid;
  align-items: center;
}

.not-found-card {
  max-width: 680px;
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.not-found-card h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.not-found-card p {
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero,
  .intro,
  .split,
  .cta,
  .site-footer,
  .guide,
  .article-hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    text-align: center;
  }

  .hero-copy {
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .paper-scene {
    min-height: 500px;
  }

  .topic-grid,
  .category-grid,
  .reason-grid,
  .comparison-grid,
  .brand-proof {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toc {
    position: static;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .nav {
    min-height: 0;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
  }

  .brand {
    min-width: 100%;
    min-height: 88px;
    padding: 0.55rem 1rem 0.45rem;
  }

  .brand-mark {
    width: min(300px, 84vw);
    height: 78px;
  }

  .nav-toggle {
    display: block;
    margin-bottom: 0.8rem;
  }

  .nav-links {
    position: static;
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    background: var(--paper-deep);
    border: 0;
    box-shadow: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0 0.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero h1 {
    max-width: 9ch;
    font-size: clamp(3rem, 17vw, 4.4rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .paper-scene {
    min-height: 520px;
  }

  .collage-card-large,
  .collage-card-tall,
  .collage-card-small,
  .collage-note {
    position: relative;
    inset: auto;
    width: 100%;
    min-height: 0;
    transform: none;
  }

  .product-collage {
    display: grid;
    gap: 1rem;
  }

  .paper-scene::before {
    inset: -0.75rem;
    transform: none;
  }

  .collage-card img {
    height: 180px;
  }

  .topic-grid,
  .category-grid,
  .reason-grid,
  .comparison-grid,
  .brand-proof,
  .definition-list,
  .product-choice-list,
  .product-card-grid,
  .product-meta-list {
    grid-template-columns: 1fr;
  }

  .cta {
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}