:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --border: #334155;
  --danger: #ef4444;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

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

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

.lang-switch {
  display: flex;
  gap: 0.25rem;
  margin-left: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.lang-btn.active {
  background: var(--accent);
  color: #052e16;
}

.lang-btn:hover:not(.active) {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #052e16;
}

.btn-primary:hover {
  background: var(--accent-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 1rem;
  line-height: 1.15;
}

.hero h1 span + span::before {
  content: " ";
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features */
.features {
  padding: 3rem 0;
}

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

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Products */
.section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.section-title h2 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.section-title p {
  color: var(--muted);
  margin: 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  padding-bottom: 3rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.product-body {
  padding: 1.25rem;
}

.product-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 600;
}

.product-card h3 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.05rem;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.product-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Article detail */
.article-detail {
  padding: 2rem 0 3rem;
}

.article-detail .breadcrumb {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

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

.article-layout img {
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.article-layout h1 {
  margin: 0 0 0.5rem;
}

.article-meta {
  color: var(--muted);
  margin-bottom: 1rem;
}

.article-price-lg {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  margin: 1rem 0;
}

/* Checkout */
.checkout-page {
  padding: 2rem 0 3rem;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

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

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

.checkout-panel h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.form-group input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

#payment-element {
  margin: 1rem 0;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--danger);
  color: #fecaca;
}

.alert-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid var(--accent);
  color: #bbf7d0;
}

.alert.hidden,
.hidden {
  display: none !important;
}

/* Legal */
.legal-page {
  padding: 2rem 0 3rem;
}

.legal-page h1 {
  margin-bottom: 1.5rem;
}

.legal-page h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

.legal-page ul {
  padding-left: 1.25rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-grid h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

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

.footer-grid li {
  margin-bottom: 0.4rem;
}

.footer-grid a {
  color: var(--muted);
}

.footer-bottom {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* Cookie banner */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface2);
  border-top: 1px solid var(--border);
  padding: 1.25rem;
  z-index: 200;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
}

.cookie-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-inner p {
  margin: 0;
  flex: 1;
  min-width: 240px;
  font-size: 0.9rem;
  color: var(--muted);
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
}

/* Payment result pages */
.result-page {
  padding: 3rem 0 4rem;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.result-box {
  width: min(520px, 100%);
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}

.result-box--success {
  border-color: #22c55e;
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.12) 0%, var(--surface) 100%);
}

.result-box--success .result-message,
.result-box--success .result-amount {
  color: #86efac;
}

.result-box--success #result-title {
  color: #4ade80;
}

.result-box--error {
  border-color: var(--danger);
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.1) 0%, var(--surface) 100%);
}

.result-box--error .result-message {
  color: #fecaca;
}

.result-box--error #result-title {
  color: #f87171;
}

.result-box--loading {
  border-color: var(--border);
}

.result-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
}

.result-icon--success {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}

.result-icon--error {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.result-box h1 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

.result-amount {
  font-size: 2rem;
  font-weight: 800;
  color: #4ade80;
  margin: 0 0 0.5rem;
}

.result-message {
  color: var(--muted);
  margin: 0 0 1rem;
  font-size: 1.05rem;
  line-height: 1.5;
}

.result-code {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-family: ui-monospace, monospace;
}

.result-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}