:root {
  --font-sans: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  --color-primary: #0060ad;
  --color-on-primary: #f8f8ff;
  --color-primary-container: #9ac3ff;
  --color-on-primary-container: #003d71;
  --color-secondary: #705486;
  --color-on-secondary: #fff6fe;
  --color-secondary-container: #f2daff;
  --color-on-secondary-container: #624678;
  --color-tertiary: #006f20;
  --color-on-tertiary: #eaffe3;
  --color-tertiary-container: #8df48e;
  --color-on-tertiary-container: #005c19;
  --color-surface: #faf9f8;
  --color-on-surface: #303333;
  --color-on-surface-variant: #5d605f;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f4f3f2;
  --color-surface-container: #eeeeed;
  --color-surface-container-high: #e7e8e7;
  --color-surface-container-highest: #e1e3e2;
  --color-outline: #797b7a;
  --color-outline-variant: #b0b2b1;
  --color-error: #ac3434;
  --radius-lg: 2rem;
  --radius-xl: 3rem;
  --radius-pill: 9999px;
  --shadow-soft: 0 20px 40px rgba(74, 144, 226, 0.08);
  --shadow-lift: 0 40px 80px rgba(74, 144, 226, 0.12);
  --site-width: min(1280px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-shell {
  width: var(--site-width);
  margin: 0 auto;
}

.site-main {
  min-height: 60vh;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--color-on-surface);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

p {
  margin: 0;
  color: var(--color-on-surface-variant);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  padding: 16px 0;
}

.nav-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 8px;
  padding: 16px 28px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
}

.site-brand__name {
  color: #312e81;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.desktop-nav .menu,
.mobile-menu-list {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.desktop-nav a,
.mobile-menu a {
  color: var(--color-on-surface-variant);
  font-size: 1rem;
  font-weight: 500;
  transition: transform 0.25s ease, color 0.25s ease;
}

.desktop-nav a:hover,
.mobile-menu a:hover {
  color: var(--color-primary);
  transform: scale(1.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  color: var(--color-on-surface-variant);
  transition: transform 0.25s ease, color 0.25s ease;
}

.icon-button:hover {
  color: var(--color-primary);
  transform: scale(1.05);
}

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 10px;
  font-weight: 800;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
}

.menu-toggle > span:not(.screen-reader-text) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-on-surface);
}

.mobile-menu {
  margin-top: 10px;
}

.mobile-menu-inner {
  padding: 16px 20px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.mobile-menu-list {
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.home-page,
.page-shell,
.commerce-shell {
  padding-top: 128px;
}

.hero-section {
  padding: 32px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 560px);
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  max-width: 12ch;
  font-size: clamp(3.6rem, 6vw, 6.2rem);
}

.hero-copy h1 span {
  color: var(--color-primary);
}

.hero-copy p {
  max-width: 34rem;
  margin-top: 24px;
  font-size: 1.25rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

.button-secondary,
.button-neutral,
.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border: 0;
  border-radius: var(--radius-pill);
  font-size: 1.0625rem;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.button-primary,
.hero-button-primary {
  background: var(--color-secondary);
  color: var(--color-on-secondary);
  box-shadow: 0 16px 24px rgba(112, 84, 134, 0.16);
}

.button-secondary:hover,
.button-primary:hover,
.hero-button-primary:hover {
  transform: scale(1.04);
}

.button-neutral {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
}

.hero-media {
  position: relative;
}

.hero-media-shadow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: rgba(0, 96, 173, 0.05);
  transform: rotate(-3deg) scale(1.03);
}

.hero-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  object-fit: cover;
  box-shadow: var(--shadow-soft);
  transition: transform 0.45s ease;
}

.hero-media:hover img {
  transform: translateY(-8px);
}

.nurture-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nurture-chip-float {
  position: absolute;
  bottom: -12px;
  left: -12px;
  z-index: 2;
  background: var(--color-tertiary-container);
  color: var(--color-on-tertiary-container);
  box-shadow: var(--shadow-soft);
  animation: pulse-soft 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.nurture-chip-subtle {
  background: rgba(0, 111, 32, 0.1);
  color: var(--color-tertiary);
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.category-section {
  padding: 88px 0;
  border-radius: 48px 48px 0 0;
  background: var(--color-surface-container-low);
}

.section-heading {
  margin-bottom: 40px;
}

.section-heading h2 {
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.section-heading p {
  margin-top: 12px;
  font-size: 1.125rem;
}

.section-heading-inline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.text-link {
  color: var(--color-primary);
  font-weight: 700;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.category-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-surface-container-lowest);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.03);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lift);
}

.category-card__image {
  height: 320px;
  overflow: hidden;
}

.category-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.category-card:hover .category-card__image img {
  transform: scale(1.08);
}

.category-card__body {
  padding: 20px 22px 24px;
}

.category-card__body h3 {
  font-size: 1.65rem;
}

.category-card__body p {
  margin-top: 10px;
}

.category-card__body span {
  display: inline-block;
  margin-top: 18px;
  color: var(--color-primary);
  font-weight: 700;
}

.featured-home-products,
.science-section {
  padding: 88px 0;
}

.products-home-grid,
.products-home-grid.products {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-content: flex-start;
  align-items: stretch;
  gap: 32px;
  margin: 24px 0 0;
  padding: 0;
  width: 100%;
  max-width: none;
  list-style: none;
}

.products-home-grid::before,
.products-home-grid::after {
  display: none;
}

.products-home-grid > li {
  flex: 0 0 calc((100% - 64px) / 3);
  width: calc((100% - 64px) / 3);
  max-width: calc((100% - 64px) / 3);
  margin: 0;
}

.science-panel {
  position: relative;
  overflow: hidden;
  padding: 56px;
  border-radius: var(--radius-xl);
  background: rgba(154, 195, 255, 0.3);
}

.science-panel::before,
.science-panel::after {
  content: '';
  position: absolute;
  border-radius: 999px;
  filter: blur(60px);
}

.science-panel::before {
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: rgba(112, 84, 134, 0.16);
}

.science-panel::after {
  left: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  background: rgba(0, 96, 173, 0.12);
}

.science-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 64px;
  align-items: center;
}

.science-copy,
.science-media {
  position: relative;
  z-index: 1;
}

.science-copy h2 {
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.science-points {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.science-points h3 {
  margin-bottom: 8px;
  font-size: 1.35rem;
}

.science-media {
  padding: 28px;
  border-radius: var(--radius-xl);
  background: var(--color-surface-container-lowest);
  box-shadow: var(--shadow-lift);
  transform: rotate(2deg);
}

.science-media img {
  width: 100%;
  height: 320px;
  border-radius: 24px;
  object-fit: cover;
}

.science-media__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
}

.page-shell {
  padding-bottom: 88px;
}

.shop-layout {
  display: grid;
  gap: 48px;
}

.shop-hero h1 {
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  line-height: 1;
}

.shop-hero p {
  margin-top: 12px;
  font-size: 1.2rem;
}

.shop-content {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  gap: 48px;
}

.shop-sidebar {
  position: relative;
}

.shop-filters {
  position: sticky;
  top: 132px;
  display: grid;
  gap: 32px;
  padding: 32px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
}

.shop-filter-group h3 {
  margin-bottom: 20px;
  color: var(--color-on-surface-variant);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.filter-stack {
  display: grid;
  gap: 12px;
}

.filter-check,
.filter-radio {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-on-surface-variant);
  font-weight: 500;
}

.filter-check__box {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--color-surface-container-highest);
}

.filter-check.is-active,
.filter-radio.is-active {
  color: var(--color-primary);
}

.filter-check.is-active .filter-check__box {
  background: var(--color-primary);
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.75);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
  font-weight: 700;
}

.filter-pill.is-active {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.filter-radio::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-outline-variant);
  border-radius: 999px;
}

.filter-radio.is-active::before {
  border-width: 6px;
  border-color: var(--color-primary);
}

.filter-note {
  font-size: 0.92rem;
  line-height: 1.6;
}

.range-rail {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 58%, var(--color-surface-container-highest) 58%, var(--color-surface-container-highest) 100%);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  color: var(--color-on-surface-variant);
  font-size: 0.9rem;
  font-weight: 700;
}

.shop-main {
  min-width: 0;
}

.shop-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 28px;
}

.page-heading {
  margin-bottom: 24px;
}

.page-heading h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.prose-shell {
  max-width: 1180px;
}

.prose-card {
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.site-footer {
  margin-top: 80px;
  padding: 80px 0 36px;
  border-radius: 48px 48px 0 0;
  background: var(--color-surface-container-low);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: 48px;
}

.footer-brand,
.footer-grid h2 {
  color: #312e81;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a,
.footer-brand-block p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-links a {
  display: inline-block;
  transition: color 0.25s ease, transform 0.25s ease;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: #ffffff;
  color: #312e81;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.25s ease;
}

.footer-social:hover {
  transform: translateY(-4px);
}

.footer-newsletter {
  margin-top: 28px;
}

.footer-newsletter label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--color-on-surface-variant);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.newsletter-row {
  position: relative;
}

.newsletter-row input {
  width: 100%;
  height: 48px;
  padding: 0 56px 0 20px;
  border: 0;
  border-radius: var(--radius-pill);
  background: #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.newsletter-row button {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.footer-bottom {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgba(176, 178, 177, 0.2);
}

.footer-bottom p {
  font-size: 0.92rem;
  text-align: center;
}

@media (max-width: 1180px) {
  .hero-grid,
  .science-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-heading-inline {
    align-items: start;
    flex-direction: column;
  }

  .shop-content {
    grid-template-columns: 1fr;
  }

  .shop-filters {
    position: static;
  }
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-block;
  }

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

  .products-home-grid,
  .products-home-grid.products {
    gap: 24px;
  }

  .products-home-grid > li {
    flex-basis: calc((100% - 24px) / 2);
    width: calc((100% - 24px) / 2);
    max-width: calc((100% - 24px) / 2);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 12px 0;
  }

  .nav-pill {
    padding: 14px 18px;
  }

  .site-brand__name {
    font-size: 1.2rem;
  }

  .home-page,
  .page-shell,
  .commerce-shell {
    padding-top: 108px;
  }

  .hero-section,
  .category-section,
  .featured-home-products,
  .science-section {
    padding: 48px 0;
  }

  .hero-copy h1,
  .section-heading h2,
  .science-copy h2,
  .page-heading h1 {
    font-size: clamp(2.3rem, 11vw, 3.6rem);
  }

  .hero-copy p,
  .section-heading p {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
  }

  .button-secondary,
  .button-neutral,
  .button-primary {
    width: 100%;
  }

  .science-panel {
    padding: 28px;
  }

  .site-footer {
    padding-top: 56px;
  }

  .products-home-grid,
  .products-home-grid.products {
    gap: 20px;
  }

  .products-home-grid > li {
    flex-basis: 100%;
    width: 100%;
    max-width: 100%;
  }
}