/* ============================================================================
   ecofrieendly - MAIN STYLESHEET
   ============================================================================ */

/* ==========================================================================
   CSS VARIABLES (Colors, Typography, Spacing, Shadows)
   ========================================================================== */
:root {
  /* Colors */
  --color-background: #f5f7f2;
  --color-surface: #ffffff;
  --color-text: #1f2a24;
  --color-text-muted: #6b776f;
  --color-primary: #2e7d32;
  --color-primary-soft: #e0f2e5;
  --color-primary-dark: #205723;
  --color-success: #388e3c;
  --color-warning: #f9a825;
  --color-danger: #d32f2f;

  --color-gray-50: #f8faf9;
  --color-gray-100: #ecf0ed;
  --color-gray-200: #d9e0da;
  --color-gray-300: #c3cec4;
  --color-gray-400: #a2b0a5;
  --color-gray-500: #7c8a7f;
  --color-gray-600: #5f6b61;
  --color-gray-700: #444e45;
  --color-gray-800: #2d352e;
  --color-gray-900: #181d19;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;

  /* Spacing */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(10, 35, 17, 0.06);
  --shadow-sm: 0 2px 6px rgba(10, 35, 17, 0.07);
  --shadow-md: 0 8px 20px rgba(10, 35, 17, 0.09);
  --shadow-lg: 0 18px 45px rgba(10, 35, 17, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;
}

/* ==========================================================================
   RESET / NORMALIZE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: block;
}

main {
  display: block;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--transition-base), opacity var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

button:disabled,
[disabled] {
  cursor: not-allowed;
}

::selection {
  background: var(--color-primary-soft);
  color: var(--color-text);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--space-3) 0;
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

p {
  margin: 0 0 var(--space-3) 0;
  color: var(--color-text-muted);
}

small {
  font-size: var(--font-size-sm);
}

strong,
b {
  font-weight: 600;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  h3 {
    font-size: 1.4rem;
  }
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
  }
}

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-muted {
  color: var(--color-text-muted);
}

.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;
}

/* ==========================================================================
   COMPONENTS - BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-xl);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background-color: var(--color-gray-900);
  color: #ffffff;
  transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
  cursor: pointer;
}

.btn:hover:not(:disabled) {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.btn:disabled {
  opacity: 0.6;
  box-shadow: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff;
}

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

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-primary-soft);
}

.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-text);
}

/* ==========================================================================
   COMPONENTS - INPUTS
   ========================================================================== */
.input,
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-gray-400);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

.input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* ==========================================================================
   COMPONENTS - CARDS & BADGES
   ========================================================================== */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  padding: var(--space-5);
  border: 1px solid rgba(23, 42, 28, 0.05);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(23, 42, 28, 0.08);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-body {
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.badge-neutral {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.badge-danger {
  background-color: rgba(211, 47, 47, 0.08);
  color: var(--color-danger);
}

/* ==========================================================================
   COMPONENTS - MEDIA
   ========================================================================== */
.media-rounded {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.media-soft-shadow {
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   HOME PAGE STYLES
   ========================================================================== */
.section {
  padding: var(--space-16) 0;
}

.section-alt {
  background-color: #ffffff;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-header.text-left {
  text-align: left;
}

.section-subtitle {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.section-cta {
  margin-top: var(--space-6);
  text-align: center;
}

.section-cta-left {
  text-align: left;
}

body {
  background: radial-gradient(circle at top left, rgba(46, 125, 50, 0.08), transparent 55%), var(--color-background);
}

.hero {
  padding: var(--space-20) 0 var(--space-16);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: var(--space-10);
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  margin-bottom: var(--space-4);
}

.hero-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.hero-meta {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero-media {
  background: linear-gradient(145deg, var(--color-primary-soft), #ffffff);
  border-radius: var(--radius-md);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bestsellers-grid {
  align-items: stretch;
}

.bestseller-card {
  display: flex;
  flex-direction: column;
}

.bestseller-image-wrapper {
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.bestseller-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.bestseller-title {
  font-size: var(--font-size-lg);
}

.bestseller-price {
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-3);
}

.bestseller-actions {
  margin-top: var(--space-4);
}

.categories-layout {
  align-items: center;
  gap: var(--space-10);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.categories-media {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.categories-media img {
  height: 100%;
  object-fit: cover;
  display: block;
  width: 100%;
}

.categories-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.category-card h3 {
  margin-top: 0;
}

.category-card + .category-card {
  margin-top: var(--space-4);
}

.category-link {
  display: inline-flex;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-10);
  align-items: flex-start;
}

.why-list {
  margin-top: var(--space-4);
}

.why-item {
  margin-top: var(--space-4);
}

.why-item + .why-item {
  margin-top: var(--space-4);
}

.why-item h3 {
  font-size: var(--font-size-lg);
  margin-top: 0;
}

.why-highlight {
  align-self: stretch;
}

.why-link {
  margin-top: var(--space-4);
}

.promo-grid {
  align-items: stretch;
}

.promo-card {
  display: flex;
  flex-direction: column;
}

.promo-label {
  margin-top: var(--space-3);
  font-weight: 600;
  color: var(--color-primary-dark);
}

.promo-card .btn {
  margin-top: auto;
}

.reviews-layout {
  max-width: 1040px;
  margin-left: auto;
  margin-right: auto;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.review-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.review-header {
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.review-avatar {
  width: 40px;
  height: 40px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.review-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-name {
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.review-rating {
  font-size: var(--font-size-lg);
  margin: 0;
}

.review-text {
  margin-bottom: var(--space-3);
}

.review-link {
  font-size: var(--font-size-sm);
  margin-top: auto;
}

.packaging-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-10);
  align-items: center;
}

.packaging-media {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.packaging-media img {
  height: 100%;
  object-fit: cover;
  display: block;
  width: 100%;
}

.packaging-content {
  flex: 1;
}

.packaging-list {
  margin-top: var(--space-4);
}

.packaging-list li {
  margin-top: var(--space-4);
}

.packaging-list li:first-child {
  margin-top: 0;
}

.packaging-list h3 {
  font-size: var(--font-size-lg);
  margin-top: 0;
}

.community-layout {
  max-width: 1040px;
  margin-left: auto;
  margin-right: auto;
}

.community-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: flex-start;
  gap: var(--space-8);
}

.community-newsletter {
  flex: 1;
}

.community-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row label {
  font-weight: 600;
}

.checkbox-row {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
}

.checkbox-row input[type="checkbox"] {
  width: auto;
  margin-top: 0.2rem;
}

.community-helper {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.community-social {
  flex: 1;
}

.social-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
  margin: var(--space-4) 0 0 0;
  padding: 0;
}

.social-label {
  font-weight: 600;
  color: var(--color-text);
}

.social-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: var(--space-1) 0 0 0;
}

/* ==========================================================================
   HEADER STYLES (see header.css for detailed header and navigation styles)
   ========================================================================== */

/* ==========================================================================
   FOOTER STYLES
   ========================================================================== */
.ef-footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-100);
  padding-top: var(--space-8);
  padding-bottom: var(--space-4);
}

.ef-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: var(--space-8);
  padding-bottom: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (max-width: 768px) {
  .ef-footer__inner {
    grid-template-columns: 1fr;
  }
}

.ef-footer__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  color: var(--color-gray-50);
}

.ef-footer__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-primary-soft), var(--color-primary-dark));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-sm);
  font-size: 0.9rem;
}

.ef-footer__logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.03em;
}

.ef-footer__tagline {
  max-width: 420px;
  font-size: var(--font-size-sm);
  color: var(--color-gray-300);
}

.ef-footer__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 600px) {
  .ef-footer__links {
    grid-template-columns: 1fr;
  }
}

.ef-footer__heading {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gray-200);
  margin-bottom: var(--space-3);
}

.ef-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ef-footer__list a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-300);
}

.ef-footer__list a:hover,
.ef-footer__list a:focus-visible {
  color: #ffffff;
}

.ef-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.ef-footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.ef-footer__copyright {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
}

.ef-footer__note {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  max-width: 420px;
  text-align: right;
}

@media (max-width: 600px) {
  .ef-footer__note {
    text-align: left;
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: var(--space-16);
  }

  .hero-media {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .categories-layout,
  .why-grid,
  .packaging-grid,
  .community-grid {
    grid-template-columns: 1fr;
  }

  .section-header.text-left {
    text-align: left;
  }

  .section-subtitle {
    margin-left: 0;
    margin-right: 0;
  }

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

@media (max-width: 600px) {
  .section {
    padding: var(--space-12) 0;
  }

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

  .checkbox-row {
    flex-direction: column;
  }

  body {
    font-size: var(--font-size-base);
  }
}