/*
功能说明：定义 AlpsOptics 主题的整体视觉样式。
主要职责：统一品牌配色、布局、表单、卡片和 WooCommerce 页面表现。
关键依赖：header.php、front-page.php、WooCommerce 默认类名。
*/

:root {
  --ao-bg: #ffffff;
  --ao-surface: #ffffff;
  --ao-surface-strong: #c1c5cc;
  --ao-text: #000000;
  --ao-muted: #000000;
  --ao-line: rgba(156, 162, 173, 0.12);
  --ao-accent: #d7dce3;
  --ao-accent-dark: #000000;
  --ao-button-bg: #282D85;
  --ao-accent-soft: #fafbfd;
  --ao-accent-soft-text: #000000;
  --ao-brand-orange: #E25E29;
  --ao-radius: 20px;
  --ao-shadow: 0 18px 40px rgba(156, 162, 173, 0.05);
  --ao-font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --ao-font-heading: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --ao-type-eyebrow: 0.78rem;
  --ao-type-body: 1rem;
  --ao-type-body-lead: 1.06rem;
  --ao-type-heading-1: clamp(2.25rem, 3.2vw, 3rem);
  --ao-type-heading-2: clamp(1.9rem, 2.2vw, 2.25rem);
  --ao-type-heading-3: clamp(1.4rem, 1.8vw, 1.75rem);
  --ao-type-product-title: clamp(1.9rem, 2.5vw, 2.5rem);
  --ao-header-height: 78px;
  --ao-header-nav-size: 0.94rem;
  --ao-header-action-size: 0.88rem;
  --ao-header-icon-size: 16px;
}

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

html {
  min-height: 100%;
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: var(--ao-header-height);
  display: flex;
  flex-direction: column;
  font-family: var(--ao-font-body);
  font-size: 16px;
  line-height: 1.65;
  background: var(--ao-bg);
  color: var(--ao-text);
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--ao-font-heading);
  letter-spacing: -0.02em;
}

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

.alpsoptics-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.alpsoptics-main .alpsoptics-shell {
  width: min(1080px, calc(100% - 32px));
}

.alpsoptics-footer,
.alpsoptics-card,
.alpsoptics-hero__panel,
.alpsoptics-data-sheet__inner,
.alpsoptics-page__header {
  backdrop-filter: blur(12px);
}

.alpsoptics-button-row,
.alpsoptics-data-sheet__meta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.alpsoptics-form input,
.alpsoptics-form textarea {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--ao-line);
  border-radius: 14px;
  background: #fff;
  font: inherit;
}

.alpsoptics-main {
  flex: 1 0 auto;
  padding-bottom: 64px;
}

.alpsoptics-footer {
  margin-top: auto;
  flex-shrink: 0;
}

.alpsoptics-hero,
.alpsoptics-section,
.alpsoptics-content {
  padding-top: 48px;
}

.alpsoptics-hero__grid,
.alpsoptics-two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

#account-recovery {
  scroll-margin-top: calc(var(--ao-header-height) + 24px);
}

.alpsoptics-hero__panel,
.alpsoptics-card,
.alpsoptics-page__header,
.alpsoptics-data-sheet__inner {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--ao-line);
  border-radius: var(--ao-radius);
  box-shadow: var(--ao-shadow);
}

.alpsoptics-hero__panel,
.alpsoptics-page__header,
.alpsoptics-card,
.alpsoptics-data-sheet__inner {
  padding: 28px;
}

.alpsoptics-page__header--edge-aligned {
  padding-left: 0;
  padding-right: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.alpsoptics-hero h1,
.alpsoptics-page__header h1 {
  font-size: var(--ao-type-heading-1);
  line-height: 1.02;
  margin: 10px 0 20px;
}

.alpsoptics-section h2,
.alpsoptics-page__header h2,
.alpsoptics-card h2,
.alpsoptics-data-sheet h2 {
  font-size: var(--ao-type-heading-2);
  line-height: 1.12;
  margin-bottom: 12px;
}

.alpsoptics-card h3,
.alpsoptics-product-card h3 {
  font-size: var(--ao-type-heading-3);
  line-height: 1.18;
  margin-bottom: 12px;
}

.alpsoptics-eyebrow {
  margin: 0;
  color: var(--ao-accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--ao-type-eyebrow);
  line-height: 1.2;
  font-weight: 700;
}

.button,
.woocommerce a.button,
.woocommerce button.button,
.woocommerce input.button {
  border-radius: 999px !important;
  border: 0 !important;
  background: var(--ao-button-bg) !important;
  color: #fff !important;
  padding: 14px 22px !important;
  font-weight: 600 !important;
}

.button--ghost {
  background: transparent !important;
  color: var(--ao-accent-dark) !important;
  border: 1px solid var(--ao-accent-dark) !important;
}

.alpsoptics-card-grid,
.alpsoptics-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.alpsoptics-product-card {
  padding: 24px;
  border-radius: var(--ao-radius);
  border: 1px solid var(--ao-line);
  background: var(--ao-surface);
  box-shadow: var(--ao-shadow);
}

.alpsoptics-section__heading {
  margin-bottom: 20px;
}

.alpsoptics-category-group {
  margin-bottom: 40px;
}

.alpsoptics-entry,
.alpsoptics-card p,
.alpsoptics-product-card p,
.alpsoptics-footer p,
.alpsoptics-page__header p {
  color: var(--ao-muted);
  line-height: 1.72;
  font-size: var(--ao-type-body);
}

.alpsoptics-hero p,
.alpsoptics-page__header p {
  max-width: 60ch;
  font-size: var(--ao-type-body-lead);
}

.alpsoptics-hero .alpsoptics-eyebrow,
.alpsoptics-page__header .alpsoptics-eyebrow {
  max-width: none;
  font-size: var(--ao-type-eyebrow);
  line-height: 1.2;
}

.alpsoptics-form {
  display: grid;
  gap: 14px;
}

.alpsoptics-form label {
  display: grid;
  gap: 8px;
}

.alpsoptics-footer {
  margin-top: 72px;
  padding: 34px 0 32px;
  background: #f4f5f7;
  color: #000;
}

.alpsoptics-footer a,
.alpsoptics-footer strong {
  color: #000;
}

.alpsoptics-woocommerce .woocommerce-products-header {
  margin-bottom: 24px;
}

.woocommerce .woocommerce-breadcrumb,
.woocommerce .price,
.alpsoptics-product-card .price {
  font-size: var(--ao-type-body);
}

.alpsoptics-woocommerce ul.products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
  margin: 0;
}

.alpsoptics-woocommerce ul.products::before,
.alpsoptics-woocommerce ul.products::after {
  display: none;
}

.single-product div.product .summary .product_title {
  font-size: var(--ao-type-product-title);
  line-height: 1.08;
}

.alpsoptics-woocommerce ul.products li.product,
.alpsoptics-woocommerce .woocommerce-cart-form,
.alpsoptics-woocommerce .cart_totals,
.alpsoptics-woocommerce .woocommerce-checkout,
.alpsoptics-woocommerce .woocommerce-MyAccount-navigation,
.alpsoptics-woocommerce .woocommerce-MyAccount-content,
.single-product div.product,
.woocommerce-tabs,
.related.products {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--ao-line);
  border-radius: var(--ao-radius);
  box-shadow: var(--ao-shadow);
}

.alpsoptics-woocommerce ul.products li.product,
.single-product div.product,
.woocommerce-tabs,
.related.products,
.alpsoptics-woocommerce .cart_totals,
.alpsoptics-woocommerce .woocommerce-cart-form,
.alpsoptics-woocommerce .woocommerce-checkout,
.alpsoptics-woocommerce .woocommerce-MyAccount-navigation,
.alpsoptics-woocommerce .woocommerce-MyAccount-content {
  padding: 24px !important;
}

.alpsoptics-woocommerce ul.products li.product {
  width: auto !important;
  min-width: 0;
  margin: 0 !important;
  float: none !important;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.alpsoptics-woocommerce ul.products li.product .woocommerce-LoopProduct-link {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  color: var(--ao-text);
}

.alpsoptics-woocommerce ul.products li.product .woocommerce-LoopProduct-link img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 18px;
  border-radius: 16px;
  background: #fff;
}

.alpsoptics-woocommerce ul.products li.product .woocommerce-loop-product__title {
  margin: 0 0 10px;
  line-height: 1.22;
  min-height: calc(1.22em * 2);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.alpsoptics-woocommerce ul.products li.product .price {
  margin-top: auto;
  margin-bottom: 0;
}

.alpsoptics-woocommerce ul.products li.product .button {
  margin-top: 18px !important;
  align-self: flex-end;
}

.single-product div.product .woocommerce-product-gallery,
.single-product div.product .summary {
  margin-bottom: 0 !important;
}

.alpsoptics-data-sheet {
  padding: 32px 0 0;
}

.alpsoptics-data-sheet__inner {
  display: grid;
  gap: 16px;
  align-items: center;
}

.woocommerce form .form-row input.input-text,
.woocommerce form .form-row textarea {
  border-radius: 14px;
  border: 1px solid var(--ao-line);
  padding: 14px;
}

.woocommerce-account .woocommerce-MyAccount-navigation ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.woocommerce-account .woocommerce-MyAccount-navigation li a {
  display: block;
  padding: 10px 0;
  font-weight: 600;
}

.woocommerce-message,
.woocommerce-info {
  border-top-color: var(--ao-accent-dark);
}

.woocommerce-message::before,
.woocommerce-info::before {
  color: var(--ao-accent-dark);
}

@media (max-width: 920px) {
  body {
    padding-top: 0;
  }

  .alpsoptics-content {
    padding-top: 0;
  }

  .alpsoptics-woocommerce ul.products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .alpsoptics-hero__grid,
  .alpsoptics-two-column,
  .alpsoptics-footer__grid {
    grid-template-columns: 1fr;
  }

  .alpsoptics-hero h1,
  .alpsoptics-page__header h1 {
    font-size: 2.2rem;
  }
}

@media (max-width: 640px) {
  .alpsoptics-woocommerce ul.products {
    grid-template-columns: 1fr;
  }
}