/* ===== Theme Variables ===== */
:root {
  --color-bg: #f4faf7;
  --color-bg-secondary: #eaf5ef;
  --color-bg-card: #ffffff;
  --color-text: #1a2e25;
  --color-text-secondary: #4a6357;
  --color-text-muted: #7a9e8e;
  --color-accent: #9a7b2f;
  --color-accent-hover: #7d6225;
  --color-accent-light: #fdf6e3;
  --color-border: #c8e0d4;
  --color-border-light: #dff0e8;
  --color-header-bg: rgba(255, 255, 255, 0.92);
  --color-success: #2d8a5e;
  --color-error: #c0392b;

  --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgb(26 46 37 / 0.06);
  --shadow: 0 1px 3px 0 rgb(26 46 37 / 0.1), 0 1px 2px -1px rgb(26 46 37 / 0.08);
  --shadow-md: 0 4px 6px -1px rgb(26 46 37 / 0.1), 0 2px 4px -2px rgb(26 46 37 / 0.08);
  --shadow-lg: 0 10px 15px -3px rgb(26 46 37 / 0.12), 0 4px 6px -4px rgb(26 46 37 / 0.08);

  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
}

html.dark {
  --color-bg: #0d1f18;
  --color-bg-secondary: #132418;
  --color-bg-card: #1a3028;
  --color-text: #e0f0e8;
  --color-text-secondary: #7aab90;
  --color-text-muted: #4d7a63;
  --color-accent: #d4a843;
  --color-accent-hover: #e8c060;
  --color-accent-light: #2a2010;
  --color-border: #2a4a38;
  --color-border-light: #1f3828;
  --color-header-bg: rgba(13, 31, 24, 0.88);
  --color-success: #3dd68c;
  --color-error: #f87171;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: linear-gradient(135deg, #fde8dc22 0%, #f4faf7 40%, #e8f5ee 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

html.dark body {
  background-image: linear-gradient(135deg, #0d1f18 0%, #0f2820 50%, #122318 100%);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

ul, ol {
  padding-left: 1.25rem;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

/* ===== Container ===== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
  .container { padding: 0 3rem; }
}

.container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Row 1: 3-column grid — spacer | logo | actions */
.header-logo-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.header-logo-row .logo {
  grid-column: 2;
}

.header-actions {
  grid-column: 3;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 3.5rem;
  width: auto;
  object-fit: contain;
  transition: opacity 0.2s ease, filter 0.3s ease;
}

.logo:hover img { opacity: 0.85; }

html.dark .logo img {
  filter: brightness(0) invert(1) sepia(1) saturate(2) hue-rotate(5deg) brightness(1.1);
}

.footer-brand .logo img { height: 2.25rem; }

/* Row 2: nav links centered */
.header-nav {
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
  padding: 0.55rem 0;
  margin: 0;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-accent);
}

.nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-light);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

.mobile-menu-btn svg { width: 1.25rem; height: 1.25rem; }
.mobile-menu-btn .close-icon { display: none; }
.mobile-menu-btn.open .menu-icon { display: none; }
.mobile-menu-btn.open .close-icon { display: block; }

@media (max-width: 768px) {
  .header-logo-row {
    grid-template-columns: auto 1fr auto;
    padding: 0.5rem 1rem;
  }

  .header-logo-row .logo { grid-column: 1; }
  .header-actions { grid-column: 3; }
  .logo img { height: 2.75rem; }

  .header-nav { display: none; }

  .header-nav.open {
    display: block;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }

  .header-nav.open .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 0;
  }

  .header-nav.open .nav-links a {
    display: block;
    padding: 0.75rem 1.5rem;
    width: 100%;
  }

  .nav-links a[aria-current="page"]::after { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* ===== Hero ===== */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

@media (min-width: 768px) {
  .hero { padding: 7rem 0 5rem; }
  .hero h1 { font-size: 3.75rem; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

/* ===== Section ===== */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .section { padding: 5rem 0; }
}

/* ===== Cards ===== */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-bg-secondary);
}

.card-body {
  padding: 1.5rem;
}

.card-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-title a {
  color: var(--color-text);
}

.card-title a:hover {
  color: var(--color-accent);
}

.card-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-meta-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: var(--color-text-muted);
}

/* ===== Article Page ===== */
.article-header {
  padding: 3rem 0 2rem;
}

.article-header h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.article-meta-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: var(--color-text-muted);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  border-radius: var(--radius-full);
  text-decoration: none;
}

.tag:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.article-featured-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-secondary);
  margin-bottom: 2.5rem;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.25rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.share-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.share-link:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* ===== Categories Grid ===== */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.category-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  cursor: default;
}

.category-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.category-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===== Newsletter / CTA ===== */
.cta-section {
  background-color: var(--color-bg-secondary);
  text-align: center;
  padding: 4rem 1.5rem;
  border-radius: var(--radius-lg);
  margin: 2rem 0;
}

.cta-section h2 {
  margin-bottom: 0.75rem;
}

.cta-section p {
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto 1.5rem;
}

.cta-form {
  display: flex;
  gap: 0.75rem;
  max-width: 440px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.cta-form input:focus {
  border-color: var(--color-accent);
}

.cta-form input::placeholder {
  color: var(--color-text-muted);
}

@media (max-width: 480px) {
  .cta-form {
    flex-direction: column;
  }
}

/* ===== Contact Page ===== */
.contact-form-wrap {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: 0.25rem;
  display: none;
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--color-error);
}

.form-group.error .form-error {
  display: block;
}

.form-success {
  text-align: center;
  padding: 3rem 1.5rem;
  display: none;
}

.form-success.show {
  display: block;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.form-success h3 {
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--color-text-secondary);
  margin: 0;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 560px;
  margin: 3rem auto 0;
}

@media (min-width: 640px) {
  .contact-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-info-item {
  text-align: center;
  padding: 1.5rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
}

.contact-info-item .icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.contact-info-item h4 {
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.contact-info-item p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===== Page Header ===== */
.page-header {
  padding: 4rem 0 2rem;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 0.75rem;
}

.page-header p {
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* ===== Footer ===== */
.site-footer {
  margin-top: 5rem;
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  transition: border-color 0.3s ease;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

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

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

.footer-col a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.footer-social a:hover {
  color: var(--color-accent);
}

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

/* ===== Product Grid ===== */
.product-link {
  display: block;
  color: inherit;
  text-decoration: none;
  outline: none;
}

.product-link:hover {
  color: inherit;
}

.product-link:focus-visible .card {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.product-link:hover .card {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.product-card .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}


.product-brand,
.product-vendor {
  display: block;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.product-vendor {
  margin-bottom: 0.25rem;
}

.product-brand {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.product-price {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: auto;
  padding-top: 0.5rem;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(1rem); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.fade-in-delayed {
  animation: fadeIn 0.5s ease 0.15s forwards;
  opacity: 0;
}