:root {
  --color-bg: #f4f9f8;
  --color-surface: #ffffff;
  --color-primary: #1a6b5c;
  --color-primary-dark: #0f4a40;
  --color-accent: #7ec8b8;
  --color-text: #1e2d2a;
  --color-muted: #5a6f6a;
  --color-border: #d4e8e3;
  --shadow-sm: 0 2px 8px rgba(26, 107, 92, 0.08);
  --shadow-md: 0 8px 32px rgba(26, 107, 92, 0.12);
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo__icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-size: 1.1rem;
}

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

.nav a {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  text-decoration: none;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: white !important;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.2s;
}

.cart-link:hover {
  background: var(--color-primary-dark);
}

.cart-link__badge {
  background: #ff6b6b;
  color: white;
  font-size: 0.7rem;
  min-width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  padding: 0 4px;
}

.cart-link__badge[hidden] {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--success {
  background: #2d8a5e !important;
}

.btn--danger {
  background: #c0392b;
  color: white;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: 0 0 var(--radius) var(--radius);
}

.hero__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(15, 74, 64, 0.88) 0%, rgba(26, 107, 92, 0.55) 60%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  color: white;
  max-width: 620px;
}

.hero__tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.125rem;
  opacity: 0.95;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero .btn--outline {
  border-color: white;
  color: white;
}

.hero .btn--outline:hover {
  background: white;
  color: var(--color-primary);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section--alt {
  background: var(--color-surface);
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section__label {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.section h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 0.75rem;
  color: var(--color-primary-dark);
}

.section__lead {
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary-dark);
}

.feature-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
}

.step h3 {
  margin-bottom: 0.5rem;
  color: var(--color-primary-dark);
}

.step p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
}

.product-card__img-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #eef6f4;
}

.product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.product-card:hover .product-card__img-wrap img {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}

.product-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__title {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  color: var(--color-primary-dark);
}

.product-card__meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.product-card__desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  flex: 1;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.product-card__price {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}

/* Composition */
.composition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.composition__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.composition__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--color-bg);
  border-radius: 12px;
  border-left: 4px solid var(--color-primary);
}

.composition__list strong {
  display: block;
  color: var(--color-primary-dark);
}

.composition__visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.testimonial {
  background: var(--color-surface);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.testimonial__stars {
  color: #f4b942;
  margin-bottom: 0.75rem;
  letter-spacing: 2px;
}

.testimonial p {
  font-style: italic;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.testimonial cite {
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.9rem;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  padding: 1.25rem 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-primary-dark);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding-bottom: 1.25rem;
  color: var(--color-muted);
}

/* CTA */
.cta-block {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  text-align: center;
  padding: 4rem 2rem;
  border-radius: var(--radius);
}

.cta-block h2 {
  color: white;
  margin-bottom: 1rem;
}

.cta-block p {
  opacity: 0.9;
  max-width: 520px;
  margin: 0 auto 2rem;
}

.cta-block .btn--outline {
  border-color: white;
  color: white;
}

/* Footer */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 0.5rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.footer a:hover {
  color: white;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.7;
}

/* Catalog filter */
.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-muted);
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

/* Cart page */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

.cart-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.cart-item__img {
  width: 90px;
  height: 90px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
}

.cart-item__info {
  flex: 1;
}

.cart-item__info h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.cart-item__price {
  color: var(--color-primary);
  font-weight: 600;
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.qty-control button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
}

.qty-control span {
  min-width: 2rem;
  text-align: center;
  font-weight: 600;
}

.cart-summary {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  position: sticky;
  top: 100px;
}

.cart-summary h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary-dark);
}

.cart-summary__row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  color: var(--color-muted);
}

.cart-summary__total {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  border-top: 2px solid var(--color-border);
  padding-top: 1rem;
  margin: 1rem 0 1.5rem;
  display: flex;
  justify-content: space-between;
}

.order-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.order-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.order-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.order-form .btn {
  width: 100%;
}

.cart-empty {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--color-surface);
  border-radius: var(--radius);
}

.cart-empty h2 {
  margin-bottom: 1rem;
  color: var(--color-primary-dark);
}

/* Thank you */
.thank-you {
  text-align: center;
  padding: 5rem 2rem;
  max-width: 560px;
  margin: 0 auto;
}

.thank-you__icon {
  width: 88px;
  height: 88px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
  color: white;
}

.thank-you h1 {
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.thank-you p {
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.page-title {
  padding: 2.5rem 0 1rem;
  text-align: center;
}

.page-title h1 {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.page-title p {
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

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

  .cart-layout {
    grid-template-columns: 1fr;
  }

  .cart-summary {
    position: static;
  }
}