/* =========================================================
   CottenPuffs Premium Homepage
   Neutral boutique color direction
========================================================= */

:root {
  --background: #f4f1eb;
  --background-light: #faf8f4;
  --background-deep: #e9e4dc;
  --card: #fdfcf9;

  --charcoal: #252522;
  --text: #3f3e39;
  --muted: #747168;

  --taupe: #a99d8f;
  --taupe-dark: #746b60;
  --stone: #c9c1b6;
  --olive: #747665;
  --olive-dark: #56594c;

  --border: rgba(37, 37, 34, 0.14);
  --border-light: rgba(37, 37, 34, 0.08);

  --shadow-soft:
    0 24px 60px rgba(47, 43, 37, 0.09);

  --shadow-card:
    0 14px 38px rgba(47, 43, 37, 0.07);

  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", Arial, sans-serif;

  --max-width: 1240px;
  --section-space: 120px;
}

/* =========================================================
   Base
========================================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--background);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.section-shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

.section-padding {
  padding-block: var(--section-space);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--olive-dark);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--charcoal);
  font-family: var(--serif);
  font-weight: 500;
  line-height: 0.98;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(4rem, 7vw, 7rem);
  letter-spacing: -0.052em;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 5vw, 5rem);
  letter-spacing: -0.042em;
}

h3 {
  font-size: 2rem;
  letter-spacing: -0.025em;
}

h1 em,
h2 em {
  display: block;
  color: var(--taupe-dark);
  font-weight: 500;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid transparent;
  padding: 14px 24px;
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.button-dark {
  background: var(--charcoal);
  color: #ffffff;
}

.button-dark:hover {
  background: var(--olive-dark);
}

.button-light {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.34);
  color: var(--charcoal);
}

.button-light:hover {
  border-color: var(--charcoal);
  background: var(--card);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid var(--charcoal);
  padding-bottom: 6px;
  color: var(--charcoal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.text-link span {
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translate(3px, -3px);
}

/* =========================================================
   Announcement
========================================================= */

.announcement-bar {
  display: flex;
  min-height: 35px;
  align-items: center;
  justify-content: center;
  background: var(--charcoal);
  color: #f4f1eb;
  text-align: center;
}

.announcement-bar p {
  margin: 0;
  padding: 7px 20px;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.announcement-bar span {
  margin-inline: 10px;
  color: var(--stone);
}

/* =========================================================
   Header
========================================================= */

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid var(--border-light);
  background: rgba(244, 241, 235, 0.92);
  backdrop-filter: blur(18px);
  transition:
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.site-header.scrolled {
  background: rgba(250, 248, 244, 0.96);
  box-shadow: 0 9px 30px rgba(37, 37, 34, 0.07);
}

.header-inner {
  display: flex;
  width: min(calc(100% - 48px), 1380px);
  min-height: 89px;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
}

.brand {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  color: var(--charcoal);
  line-height: 1;
}

.brand-crown {
  position: absolute;
  top: -9px;
  color: var(--taupe-dark);
  font-size: 0.75rem;
}

.brand-name {
  font-family: var(--serif);
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.055em;
}

.brand-name span {
  font-weight: 500;
}

.brand-subtitle {
  margin-top: 3px;
  font-size: 0.48rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav > a:not(.nav-button) {
  position: relative;
  padding-block: 8px;
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.main-nav > a:not(.nav-button)::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: var(--charcoal);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.main-nav > a:not(.nav-button):hover::after,
.main-nav > a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-button {
  display: inline-flex;
  min-height: 43px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--charcoal);
  padding: 10px 18px;
  background: var(--charcoal);
  color: #ffffff;
  font-size: 0.69rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition:
    background-color 180ms ease,
    color 180ms ease;
}

.nav-button:hover {
  background: transparent;
  color: var(--charcoal);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  width: 24px;
  height: 1px;
  background: var(--charcoal);
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

/* =========================================================
   Hero
========================================================= */

.hero {
  position: relative;
  display: grid;
  min-height: 690px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.68fr);
  align-items: center;
  gap: clamp(50px, 8vw, 120px);
  padding-block: 80px 100px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 730px;
}

.hero-description {
  max-width: 535px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 38px;
  color: var(--taupe-dark);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
}

.hero-note-mark {
  font-family: var(--sans);
  font-style: normal;
}

.hero-visual {
  position: relative;
  z-index: 2;
  max-width: 475px;
  justify-self: end;
}

.hero-image-frame {
  position: relative;
  aspect-ratio: 0.82;
  overflow: hidden;
  background: var(--background-deep);
  box-shadow: var(--shadow-soft);
}

.hero-image-frame::after {
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  content: "";
  pointer-events: none;
}

.hero-image-frame img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.74) contrast(0.98);
  transition: transform 900ms cubic-bezier(0.2, 0.65, 0.3, 1);
}

.hero-image-frame:hover img {
  transform: scale(1.025);
}

.image-label {
  position: absolute;
  z-index: 2;
  background: rgba(250, 248, 244, 0.91);
  color: var(--charcoal);
  box-shadow: 0 8px 24px rgba(37, 37, 34, 0.08);
  backdrop-filter: blur(12px);
}

.image-label-top {
  top: 30px;
  right: 0;
  padding: 11px 18px;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.image-label-bottom {
  right: 24px;
  bottom: 24px;
  padding: 14px 18px;
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.1;
}

.image-label-small {
  display: block;
  margin-bottom: 4px;
  font-family: var(--sans);
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-photo-caption {
  display: grid;
  grid-template-columns: 45px 1fr;
  gap: 16px;
  margin-top: 20px;
  padding-left: 8px;
}

.hero-photo-caption span {
  color: var(--taupe-dark);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.hero-photo-caption p {
  margin: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.35;
}

.hero-decoration {
  position: absolute;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  pointer-events: none;
}

.hero-decoration-one {
  top: 60px;
  right: -150px;
  width: 510px;
  height: 510px;
}

.hero-decoration-two {
  bottom: 50px;
  left: -190px;
  width: 320px;
  height: 320px;
}

/* =========================================================
   Trust Section
========================================================= */

.trust-section {
  border-block: 1px solid var(--border);
  background: var(--background-light);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  display: grid;
  min-height: 154px;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 18px;
  padding: 30px 26px;
  border-right: 1px solid var(--border);
}

.trust-item:first-child {
  border-left: 1px solid var(--border);
}

.trust-icon {
  display: flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--stone);
  border-radius: 50%;
  color: var(--olive-dark);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.trust-item h2 {
  margin-bottom: 7px;
  font-size: 1.48rem;
  letter-spacing: -0.02em;
}

.trust-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
}

/* =========================================================
   Shared Section Headings
========================================================= */

.section-heading {
  margin-bottom: 58px;
}

.section-heading > p:last-child {
  max-width: 610px;
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading-centered {
  max-width: 750px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading-centered > p:last-child {
  margin-inline: auto;
}

.section-heading-split {
  display: grid;
  grid-template-columns: 1fr 0.6fr;
  align-items: end;
  gap: 60px;
}

.section-heading-split h2 {
  margin-bottom: 0;
}

/* =========================================================
   Litters
========================================================= */

.litters {
  background: var(--background);
}

.litter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.litter-card {
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-card);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
}

.litter-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.litter-card-featured {
  transform: translateY(-18px);
}

.litter-card-featured:hover {
  transform: translateY(-24px);
}

.litter-image {
  position: relative;
  height: 285px;
  overflow: hidden;
  background: var(--background-deep);
}

.litter-image img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.77);
  transition: transform 700ms ease;
}

.litter-card:hover .litter-image img {
  transform: scale(1.035);
}

.status-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  padding: 8px 11px;
  background: rgba(250, 248, 244, 0.92);
  color: var(--charcoal);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.litter-content {
  padding: 30px;
}

.litter-label {
  margin-bottom: 10px;
  color: var(--olive-dark);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.litter-content h3 {
  margin-bottom: 15px;
  font-size: 2.35rem;
}

.litter-content > p:not(.litter-label) {
  min-height: 80px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.85rem;
}

.litter-content a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  color: var(--charcoal);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.litter-content a span {
  transition: transform 180ms ease;
}

.litter-content a:hover span {
  transform: translateX(5px);
}

/* =========================================================
   Why Section
========================================================= */

.why-section {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.68);
}

.why-section h2,
.why-section h3 {
  color: #f8f5ef;
}

.why-section h2 em {
  color: var(--stone);
}

.why-section .eyebrow {
  color: var(--stone);
}

.why-grid {
  display: grid;
  grid-template-columns: 0.75fr 1fr;
  gap: clamp(70px, 10vw, 140px);
}

.why-intro > p:not(.eyebrow) {
  max-width: 520px;
  margin-bottom: 34px;
}

.why-section .text-link {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}

.why-features {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.why-feature {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 25px;
  padding-block: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.feature-number {
  color: var(--stone);
  font-family: var(--serif);
  font-size: 1.25rem;
}

.why-feature h3 {
  margin-bottom: 10px;
  font-size: 2rem;
}

.why-feature p {
  max-width: 500px;
  margin: 0;
  font-size: 0.84rem;
}

/* =========================================================
   Cats
========================================================= */

.cats-section {
  background: var(--background-light);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.cat-card-lower {
  transform: translateY(45px);
}

.cat-photo {
  height: 390px;
  overflow: hidden;
  background: var(--background-deep);
}

.cat-photo img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72);
  transition:
    transform 800ms ease,
    filter 300ms ease;
}

.cat-card:hover .cat-photo img {
  transform: scale(1.04);
  filter: saturate(0.9);
}

.cat-info {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
}

.cat-info p {
  margin-bottom: 3px;
  color: var(--olive-dark);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cat-info h3 {
  margin: 0;
  font-size: 2.1rem;
}

.cat-info > span {
  max-width: 110px;
  color: var(--muted);
  font-size: 0.64rem;
  line-height: 1.45;
  text-align: right;
}

.center-button {
  display: flex;
  justify-content: center;
  margin-top: 100px;
}

/* =========================================================
   Process
========================================================= */

.process-section {
  border-top: 1px solid var(--border);
  background: var(--background);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.process-card {
  min-height: 330px;
  padding: 32px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition:
    background-color 180ms ease,
    transform 180ms ease;
}

.process-card:hover {
  background: var(--background-light);
  transform: translateY(-4px);
}

.process-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 75px;
  color: var(--olive-dark);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.process-symbol {
  font-family: var(--serif);
  font-size: 1.8rem;
}

.process-card h3 {
  margin-bottom: 18px;
  font-size: 2.4rem;
}

.process-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* =========================================================
   Included
========================================================= */

.included-section {
  background: var(--background-deep);
}

.included-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.7fr) 1fr;
  align-items: center;
  gap: clamp(65px, 10vw, 145px);
}

.included-photo {
  position: relative;
  height: 630px;
  overflow: hidden;
  background: var(--stone);
  box-shadow: var(--shadow-soft);
}

.included-photo img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.66);
}

.included-photo-number {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(37, 37, 34, 0.58);
  color: #ffffff;
  font-family: var(--serif);
  font-size: 1.6rem;
  backdrop-filter: blur(8px);
}

.included-content {
  max-width: 650px;
}

.included-intro {
  max-width: 570px;
  margin-bottom: 38px;
  color: var(--muted);
}

.included-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 35px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
}

.included-list li {
  display: grid;
  grid-template-columns: 29px 1fr;
  gap: 10px;
  padding-block: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 0.83rem;
}

.included-list span {
  color: var(--olive-dark);
}

/* =========================================================
   Quote
========================================================= */

.quote-section {
  padding-block: 125px;
  background: var(--background-light);
}

.quote-inner {
  max-width: 930px;
  text-align: center;
}

.quote-symbol {
  display: block;
  height: 55px;
  color: var(--taupe);
  font-family: var(--serif);
  font-size: 6rem;
  line-height: 1;
}

blockquote {
  margin: 0 0 28px;
  color: var(--charcoal);
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4.6vw, 4.5rem);
  letter-spacing: -0.035em;
  line-height: 1.03;
}

.quote-inner p {
  margin: 0;
  color: var(--olive-dark);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* =========================================================
   Final CTA
========================================================= */

.final-cta {
  background: var(--olive);
  color: rgba(255, 255, 255, 0.74);
}

.final-cta .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.final-cta h2 {
  max-width: 730px;
  margin: 0;
  color: #ffffff;
}

.final-cta h2 em {
  color: #e4ded4;
}

.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  align-items: end;
  gap: 80px;
}

.final-cta-content > p {
  margin-bottom: 28px;
}

.final-cta .button-dark {
  background: #ffffff;
  color: var(--charcoal);
}

.final-cta .button-dark:hover {
  background: var(--charcoal);
  color: #ffffff;
}

.final-cta .button-light {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.final-cta .button-light:hover {
  background: #ffffff;
  color: var(--charcoal);
}

/* =========================================================
   Footer
========================================================= */

.site-footer {
  background: #1f201d;
  color: rgba(255, 255, 255, 0.62);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.65fr);
  gap: 65px;
  padding-block: 80px;
}

.footer-brand {
  align-items: flex-start;
  color: #ffffff;
}

.footer-brand-column > p {
  max-width: 315px;
  margin: 28px 0 0;
  font-size: 0.8rem;
}

.footer-column {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 11px;
}

.footer-column h2 {
  margin-bottom: 8px;
  color: #ffffff;
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-column a,
.footer-column p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.76rem;
  transition: color 180ms ease;
}

.footer-column a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.66rem;
}

.footer-bottom a {
  color: #ffffff;
}

/* =========================================================
   Reveal Animations
========================================================= */

.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
========================================================= */

@media (max-width: 1080px) {
  :root {
    --section-space: 95px;
  }

  .main-nav {
    gap: 20px;
  }

  .hero {
    grid-template-columns: 1fr 0.62fr;
    gap: 50px;
  }

  h1 {
    font-size: clamp(3.6rem, 7vw, 5.7rem);
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item:nth-child(2) {
    border-right: 0;
  }

  .trust-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }

  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 70px;
  }

  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 70px 20px;
  }

  .cat-card-lower {
    transform: translateY(0);
  }

  .cat-photo {
    height: 500px;
  }

  .center-button {
    margin-top: 60px;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .included-grid {
    gap: 70px;
  }

  .footer-grid {
    grid-template-columns: 1.2fr repeat(3, 0.7fr);
    gap: 35px;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
    z-index: 1002;
  }

  .main-nav {
    position: fixed;
    z-index: 1001;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    background: var(--background-light);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition:
      opacity 200ms ease,
      transform 200ms ease;
  }

  .main-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav > a:not(.nav-button) {
    font-family: var(--serif);
    font-size: 2rem;
  }

  .nav-button {
    margin-top: 18px;
  }

  .menu-toggle.open span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle.open span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 70px;
  }

  .hero-content {
    max-width: 780px;
  }

  .hero-visual {
    width: min(100%, 520px);
    max-width: none;
    justify-self: center;
  }

  .hero-image-frame {
    aspect-ratio: 0.95;
  }

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

  .litter-card-featured,
  .litter-card-featured:hover {
    transform: none;
  }

  .litter-image {
    height: 410px;
  }

  .litter-content > p:not(.litter-label) {
    min-height: auto;
  }

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

  .section-heading-split {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading-split > p {
    max-width: 600px;
  }

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

  .included-photo {
    width: min(100%, 580px);
    height: 650px;
  }

  .final-cta-inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 38px;
  }

  .final-cta-content {
    max-width: 620px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  :root {
    --section-space: 76px;
  }

  .section-shell,
  .header-inner {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .announcement-bar p {
    font-size: 0.55rem;
    letter-spacing: 0.09em;
  }

  .announcement-bar span {
    margin-inline: 5px;
  }

  .header-inner {
    min-height: 76px;
  }

  .brand-name {
    font-size: 1.9rem;
  }

  h1 {
    font-size: clamp(3.4rem, 15vw, 4.6rem);
  }

  h2 {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }

  .hero {
    min-height: auto;
    padding-block: 58px 78px;
  }

  .hero-description {
    font-size: 0.92rem;
  }

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

  .button {
    width: 100%;
  }

  .hero-image-frame {
    aspect-ratio: 0.84;
  }

  .image-label-top {
    top: 22px;
  }

  .image-label-bottom {
    right: 18px;
    bottom: 18px;
  }

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

  .trust-item,
  .trust-item:first-child {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-left: 1px solid var(--border);
  }

  .litter-image {
    height: 300px;
  }

  .litter-content {
    padding: 25px;
  }

  .why-feature {
    grid-template-columns: 45px 1fr;
  }

  .cat-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .cat-photo {
    height: 500px;
  }

  .cat-info {
    align-items: flex-end;
  }

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

  .process-card {
    min-height: 285px;
  }

  .process-top {
    margin-bottom: 50px;
  }

  .included-photo {
    height: 510px;
  }

  .included-list {
    grid-template-columns: 1fr;
  }

  .quote-section {
    padding-block: 90px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 45px;
    padding-block: 65px;
  }

  .footer-bottom-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 22px;
  }
}