/*
Theme Name: IT4SALE
Theme URI: https://it4sale.ru
Description: Lightweight theme for IT4SALE — used laptop store. Built for WooCommerce.
Version: 1.0.0
Author: IT4SALE
Author URI: https://it4sale.ru
Text Domain: it4sale
Requires at least: 6.0
Requires PHP: 8.0
License: proprietary
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #1a73e8;
  --color-primary-dark: #1557b0;
  --color-primary-light: #e8f0fe;
  --color-text: #202124;
  --color-text-secondary: #5f6368;
  --color-bg: #f8f9fa;
  --color-white: #ffffff;
  --color-border: #dadce0;
  --color-success: #0d904f;
  --color-danger: #d93025;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --radius: 8px;
  --radius-sm: 4px;
  --max-width: 1280px;
  --header-height: 64px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-text);
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .container { padding: 0 24px; }
}

/* ===== HEADER ===== */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  white-space: nowrap;
  text-decoration: none;
}
.site-logo:hover {
  color: var(--color-primary-dark);
}

/* Navigation */
.main-nav {
  display: none;
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 14px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover,
.main-nav a.is-active,
.main-nav .current-menu-item > a {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .main-nav { display: block; }
}

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

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px;
  color: var(--color-text);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.cart-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.cart-link svg {
  width: 22px;
  height: 22px;
}
.cart-count {
  position: absolute;
  top: 2px;
  right: 0;
  background: var(--color-danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.cart-count:empty {
  display: none;
}

/* Hamburger */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.menu-toggle:hover {
  background: var(--color-primary-light);
}
.menu-toggle svg {
  width: 24px;
  height: 24px;
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
}

/* Mobile menu */
.mobile-nav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  will-change: max-height;
}
.mobile-nav.is-open {
  max-height: 400px;
  padding: 8px 0;
}
.mobile-nav ul {
  list-style: none;
}
.mobile-nav a {
  display: block;
  padding: 12px 16px;
  color: var(--color-text);
  font-size: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav li:last-child a {
  border-bottom: none;
}
.mobile-nav a:hover,
.mobile-nav .current-menu-item > a {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .mobile-nav { display: none !important; }
}

/* ===== CONTENT ===== */
.site-content {
  min-height: calc(100vh - var(--header-height) - 200px);
  padding: 24px 0;
}

@media (min-width: 768px) {
  .site-content { padding: 32px 0; }
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  padding: 0;
}
.breadcrumbs a {
  color: var(--color-text-secondary);
}
.breadcrumbs a:hover {
  color: var(--color-primary);
}
.breadcrumbs .separator {
  margin: 0 6px;
  opacity: 0.5;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-light);
}
.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-section h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.footer-section p,
.footer-section a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.footer-section a:hover {
  color: var(--color-primary);
}
.footer-section ul {
  list-style: none;
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  text-align: center;
}

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

.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* === Mobile Nav Menu === */
.mobile-nav__list {
    list-style: none;
    margin: 0;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.mobile-nav__list a {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: background 0.2s, color 0.2s;
}
.mobile-nav__list a:hover {
    background: var(--color-bg-subtle, #f0f0f0);
    color: var(--color-primary);
}
.mobile-nav__list a.is-active {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== MODERN DESIGN UPDATE v2 ===== */

/* Enhanced page content */
.page .entry-content,
.faq-page {
  max-width: 860px;
  margin: 0 auto;
}

.page h1,
.faq-page h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.faq-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
}

/* ===== FAQ ACCORDION ===== */
.faq-group {
  margin-bottom: 28px;
}

.faq-group__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary-light);
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
  contain: layout style;
  will-change: box-shadow;
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease;
}

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

.faq-item__q::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-secondary);
  border-bottom: 2px solid var(--color-text-secondary);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
}

.faq-item__q:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.faq-item[open] .faq-item__q {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.faq-item__a {
  padding: 16px 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  animation: faqSlideDown 0.25s ease;
}

@keyframes faqSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.faq-item__a ul {
  margin: 8px 0 8px 20px;
  list-style: disc;
}

.faq-item__a li {
  margin-bottom: 4px;
}

.faq-item__a p {
  margin-bottom: 8px;
}

.faq-item__a p:last-child {
  margin-bottom: 0;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  padding: 16px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.cookie-banner.is-hidden {
  display: none;
}

.cookie-banner a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-banner__btn {
  padding: 8px 24px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.cookie-banner__btn:hover {
  background: var(--color-primary-dark);
}

/* ===== LEGAL PAGES ===== */
.legal-content {
  max-width: 860px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.legal-content h3 {
  font-size: 1.05rem;
  margin-top: 20px;
  margin-bottom: 8px;
}

.legal-content p {
  margin-bottom: 10px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.legal-content ul, .legal-content ol {
  margin: 8px 0 12px 24px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.legal-content li {
  margin-bottom: 4px;
}

/* ===== MODERN CARD STYLE FOR PAGES ===== */
.page article,
.faq-page {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 767px) {
  .page article,
  .faq-page {
    padding: 20px 16px;
    border-radius: 0;
  }
  
  .faq-item__q {
    padding: 14px 16px;
    font-size: 0.9rem;
  }
  
  .faq-item__a {
    padding: 14px 16px;
  }
  
  .cookie-banner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* ===== FOOTER LEGAL LINKS ===== */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: center;
  margin-top: 12px;
  font-size: 0.75rem;
}

.footer-legal a {
  color: var(--color-text-secondary);
  opacity: 0.7;
  transition: opacity 0.2s;
}

.footer-legal a:hover {
  opacity: 1;
  color: var(--color-primary);
}

/* ===== HEADER ENHANCEMENT ===== */
.site-header {
  box-shadow: var(--shadow-sm);
  border-bottom: none;
}

/* ===== ENHANCED BUTTONS ===== */
.btn {
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  box-shadow: 0 2px 4px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 8px rgba(26, 115, 232, 0.35);
}

/* ===== FOOTER ENHANCEMENT ===== */
.site-footer {
  background: #1b2a4a;
  border-top: none;
  color: rgba(255,255,255,0.7);
}

.footer-section h4 {
  color: rgba(255,255,255,0.5);
}

.footer-section p,
.footer-section a,
.footer-section li {
  color: rgba(255,255,255,0.7);
}

.footer-section a:hover {
  color: #fff;
}

.footer-bottom {
  border-top-color: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.4);
}

.footer-legal a {
  color: rgba(255,255,255,0.4);
}

.footer-legal a:hover {
  color: rgba(255,255,255,0.8);
}

/* ===== WOOCOMMERCE CART & CHECKOUT ===== */
.woocommerce table.shop_table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.woocommerce table.shop_table th {
  background: var(--color-bg);
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--color-text-secondary);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.woocommerce table.shop_table td {
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  font-size: 0.9rem;
}

.woocommerce table.shop_table img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.woocommerce table.shop_table .product-name a {
  color: var(--color-text);
  font-weight: 500;
}

.woocommerce table.shop_table .product-name a:hover {
  color: var(--color-primary);
}

.woocommerce table.shop_table .product-price,
.woocommerce table.shop_table .product-subtotal {
  font-weight: 600;
}

.woocommerce table.shop_table .product-remove a {
  color: var(--color-danger);
  font-size: 1.2rem;
  text-decoration: none;
}

.woocommerce .cart-collaterals {
  margin-top: 24px;
}

.woocommerce .cart_totals {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.woocommerce .cart_totals h2 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.woocommerce .wc-proceed-to-checkout .checkout-button,
.woocommerce button[name="update_cart"],
.woocommerce button[name="apply_coupon"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-decoration: none;
  font-family: inherit;
}

.woocommerce .wc-proceed-to-checkout .checkout-button {
  background: var(--color-primary);
  color: #fff;
  width: 100%;
  margin-top: 12px;
}

.woocommerce .wc-proceed-to-checkout .checkout-button:hover {
  background: var(--color-primary-dark);
}

.woocommerce button[name="update_cart"] {
  background: var(--color-bg);
  color: var(--color-text);
}

.woocommerce .quantity input {
  width: 60px;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.9rem;
}

/* Checkout form */
.woocommerce-checkout .woocommerce-form-row input,
.woocommerce-checkout .woocommerce-form-row select,
.woocommerce-checkout .woocommerce-form-row textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.woocommerce-checkout .woocommerce-form-row input:focus,
.woocommerce-checkout .woocommerce-form-row select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.woocommerce-checkout label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
  display: block;
}

/* WooCommerce notices */
.woocommerce-message,
.woocommerce-info {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
  background: #d1fae5;
  color: #065f46;
  border-left: 4px solid var(--color-success);
}

.woocommerce-info {
  background: #dbeafe;
  color: #1e40af;
  border-left-color: var(--color-primary);
}

.woocommerce-error {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
  background: #fee2e2;
  color: #991b1b;
  border-left: 4px solid var(--color-danger);
  list-style: none;
}

/* Empty cart */
.cart-empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.return-to-shop a {
  display: inline-flex;
  padding: 12px 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 500;
  margin-top: 16px;
}

.return-to-shop a:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

@media (max-width: 767px) {
  .woocommerce table.shop_table {
    display: block;
  }
  .woocommerce table.shop_table thead {
    display: none;
  }
  .woocommerce table.shop_table tbody,
  .woocommerce table.shop_table tr,
  .woocommerce table.shop_table td {
    display: block;
    width: 100%;
  }
  .woocommerce table.shop_table td {
    padding: 8px 16px;
    text-align: right;
    border-bottom: none;
  }
  .woocommerce table.shop_table td::before {
    content: attr(data-title);
    float: left;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
  }
  .woocommerce table.shop_table tr {
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
  }
}

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.trust-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}
.trust-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.trust-item a {
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}
.trust-item a:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .trust-bar .container {
    justify-content: center;
    gap: 6px 16px;
  }
  .trust-item {
    font-size: 0.75rem;
    gap: 5px;
  }
  .trust-item svg {
    width: 18px;
    height: 18px;
  }
  .trust-item--phone {
    flex-basis: 100%;
    justify-content: center;
    font-size: 0.85rem;
  }
}

/* ===== TRUST BAR MOBILE FIX ===== */
@media (max-width: 480px) {
  .trust-bar {
    padding: 8px 0;
    overflow: hidden;
  }
  .trust-bar .container {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 12px;
    justify-content: flex-start;
    padding: 0 12px;
  }
  .trust-bar .container::-webkit-scrollbar {
    display: none;
  }
  .trust-item {
    font-size: 0.7rem;
    gap: 4px;
    flex-shrink: 0;
  }
  .trust-item svg {
    width: 16px;
    height: 16px;
  }
  .trust-item--phone {
    flex-basis: auto;
    font-size: 0.7rem;
  }
}