/* ====================================================================
 *  XXM Components CSS — 4 个核心组件的样式
 *  - Modal (询盘弹窗)
 *  - Tier Calculator (阶梯定价 + MOQ)
 *  - Container Calculator (集装箱装载)
 *  - Product Gallery (产品画廊)
 *  - Spec Table (规格表)
 *  - Cert Grid (证书网格 + Lightbox)
 *  - Header / Footer / Section helpers
 *  - Sticky mobile CTA bar
 * ==================================================================== */

/* ——— Layout helpers (light) ——— */
.xxm-grid { display: grid; gap: 16px; }
.xxm-grid--2 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .xxm-grid--2 { grid-template-columns: 1fr 1fr; } }
.xxm-grid--1 { grid-template-columns: 1fr; }

/* ——— Sticky mobile bottom CTA bar ——— */
.xxm-sticky-bar {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-sticky);
  background: #fff; border-top: 1px solid var(--color-border-subtle);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  gap: 10px; align-items: center;
}
@media (max-width: 767px) { .xxm-sticky-bar { display: flex; } }
.xxm-sticky-bar .btn { flex: 1; min-height: 48px; font-size: 15px; }

/* ——— Modal (InquiryModal) ——— */
.xxm-modal-open { overflow: hidden; }
.xxm-modal__backdrop {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(25, 28, 29, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: xxm-fade-in 0.18s var(--ease-out);
}
@keyframes xxm-fade-in { from { opacity: 0; } to { opacity: 1; } }
.xxm-modal {
  position: relative; width: 100%; max-width: 760px; max-height: 92vh;
  background: var(--color-background); border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0,0,0,0.18); overflow: hidden;
  display: flex; flex-direction: column;
  animation: xxm-pop-in 0.22s var(--ease-out);
}
@keyframes xxm-pop-in { from { transform: translateY(12px) scale(0.98); opacity: 0; } to { transform: none; opacity: 1; } }
@media (max-width: 767px) {
  .xxm-modal { max-width: 100%; max-height: 100vh; border-radius: 0; }
  .xxm-modal__backdrop { padding: 0; }
}
.xxm-modal__close {
  position: absolute; top: 12px; right: 12px;
  width: 40px; height: 40px; border-radius: var(--radius);
  font-size: 28px; line-height: 1; color: var(--color-on-surface-variant);
  background: transparent; transition: background var(--duration);
  z-index: 2;
}
.xxm-modal__close:hover { background: rgba(0,0,0,0.05); }
.xxm-modal__head { padding: 28px 28px 0; }
.xxm-modal__eyebrow { color: var(--color-secondary-dark); margin-bottom: 4px; }
.xxm-modal__title { font-size: 24px; line-height: 1.25; margin: 0 0 6px; }
.xxm-modal__sub { color: var(--color-on-surface-variant); font-size: 14px; margin: 0; }
.xxm-modal__form { padding: 20px 28px 28px; overflow-y: auto; }
.xxm-field { margin-bottom: 14px; }
.xxm-req { color: #ba1a1a; margin-left: 4px; }
.xxm-field__hint { font-size: 12px; color: var(--color-on-surface-variant); margin-top: 4px; }
.xxm-field__err { font-size: 12px; color: #ba1a1a; margin-top: 4px; display: none; }
.xxm-field__err.is-show { display: block; }
.xxm-consent { display: flex; align-items: flex-start; gap: 8px; margin: 16px 0; font-size: 13px; color: var(--color-on-surface-variant); }
.xxm-consent input { margin-top: 2px; }
.xxm-form__err-summary { color: #ba1a1a; font-size: 14px; margin: 8px 0; }

/* File drop */
.xxm-file-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.xxm-file-drop {
  border: 2px dashed var(--color-outline-variant);
  border-radius: var(--radius); padding: 20px;
  text-align: center; cursor: pointer;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container-low);
  transition: all var(--duration) var(--ease-out);
}
.xxm-file-drop:hover, .xxm-file-drop.is-drag { border-color: var(--color-secondary); background: rgba(242, 101, 34, 0.08); }
.xxm-file-drop__icon { color: var(--color-on-surface-variant); margin-bottom: 6px; }
.xxm-file-drop__hint { font-weight: 600; color: var(--color-on-surface); }
.xxm-file-drop__sub { font-size: 12px; margin-top: 4px; }
.xxm-file-list { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 6px; }
.xxm-file-list__item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius); font-size: 13px;
  background: #fff;
}
.xxm-file-list__item.is-error { border-color: #ba1a1a; background: rgba(186, 26, 26, 0.04); }
.xxm-file-list__name { flex: 1; word-break: break-all; }
.xxm-file-list__size { color: var(--color-on-surface-variant); font-variant-numeric: tabular-nums; }
.xxm-file-list__err { color: #ba1a1a; font-size: 12px; flex-basis: 100%; }

/* Submit button loading state */
.xxm-btn-spinner { display: none; width: 16px; height: 16px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: xxm-spin 0.8s linear infinite; }
.xxm-btn-label { display: inline-flex; align-items: center; gap: 6px; }
.is-loading .xxm-btn-spinner { display: inline-block; }
.is-loading .xxm-btn-label { opacity: 0.7; }
@keyframes xxm-spin { to { transform: rotate(360deg); } }

/* ——— Tier Calculator ——— */
.xxm-tier { display: flex; flex-direction: column; gap: 20px; }
.xxm-tier__input-wrap {
  display: grid; grid-template-columns: 48px 1fr 48px; gap: 8px;
  align-items: stretch;
}
.xxm-tier__input-wrap .input { text-align: center; font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
.xxm-tier__input-wrap button {
  background: var(--color-surface-container);
  border-radius: var(--radius); font-size: 20px; font-weight: 700;
  color: var(--color-primary);
  transition: background var(--duration);
}
.xxm-tier__input-wrap button:hover { background: var(--color-surface-container-high); }
.xxm-tier__moq-hint {
  font-size: 13px; color: var(--color-on-surface-variant);
  padding: 8px 12px; background: var(--color-surface-container-low);
  border-left: 3px solid var(--color-tertiary); border-radius: 2px;
}
.xxm-tier__moq-hint.is-warn {
  background: rgba(242, 101, 34, 0.12);
  border-left-color: var(--color-secondary-dark);
  color: var(--color-secondary-dark);
}
.xxm-tier__moq-hint a { color: var(--color-primary); font-weight: 600; text-decoration: underline; }

.xxm-tier__table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--color-border-subtle); border-radius: var(--radius); }
.xxm-tier__table { width: 100%; border-collapse: collapse; min-width: 360px; }
.xxm-tier__table th, .xxm-tier__table td {
  padding: 12px 14px; text-align: left;
  font-size: 14px;
}
.xxm-tier__table thead th {
  background: var(--color-primary); color: var(--color-on-primary);
  font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase; font-size: 12px;
}
.xxm-tier__table tbody tr { border-top: 1px solid var(--color-border-subtle); }
.xxm-tier__table tbody tr:nth-child(even) { background: var(--color-surface-container-lowest); }
.xxm-tier__table tbody tr.is-active { background: rgba(212, 163, 115, 0.12); }
.xxm-tier__table tbody tr.is-active td { color: var(--color-on-surface); font-weight: 600; }
.xxm-tier__table tbody td strong { font-family: var(--font-serif); font-size: 18px; color: var(--color-primary); }
.xxm-num { text-align: right; font-variant-numeric: tabular-nums; }

.xxm-tier__summary {
  padding: 16px; background: var(--color-primary); color: var(--color-on-primary);
  border-radius: var(--radius);
}
.xxm-tier__summary.is-empty { background: var(--color-surface-container-low); color: var(--color-on-surface-variant); text-align: center; }
.xxm-tier__sum-line { display: flex; justify-content: space-between; align-items: center; font-size: 15px; }
.xxm-tier__sum-line + .xxm-tier__sum-line { margin-top: 6px; }
.xxm-tier__sum-line strong { font-family: var(--font-serif); font-size: 22px; }
.xxm-tier__sum-line.xxm-tier__sum-lead { padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.18); margin-top: 10px; font-size: 13px; }
.xxm-tier__sum-vip {
  margin-top: 10px; padding: 8px 12px;
  background: rgba(242, 101, 34, 0.18);
  border-radius: var(--radius-sm); font-size: 13px;
  color: var(--color-secondary-container);
}
.xxm-tier__cta { display: flex; flex-wrap: wrap; gap: 10px; }
.xxm-tier__cta .btn { flex: 1; min-width: 200px; }

/* ——— Container Calculator ——— */
.xxm-container__grid {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .xxm-container__grid { grid-template-columns: repeat(3, 1fr); } }
.xxm-container__card {
  padding: 18px;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-border-subtle); border-radius: var(--radius);
  transition: border-color var(--duration);
}
.xxm-container__card:hover { border-color: var(--color-secondary); }
.xxm-container__label { color: var(--color-primary); margin-bottom: 4px; }
.xxm-container__desc { font-size: 13px; color: var(--color-on-surface-variant); margin-bottom: 10px; }
.xxm-container__units { font-family: var(--font-serif); font-size: 28px; font-weight: 600; color: var(--color-primary); line-height: 1; }
.xxm-container__units span { font-family: var(--font-sans); font-size: 13px; color: var(--color-on-surface-variant); font-weight: 400; margin-left: 4px; }
.xxm-container__ctns { font-size: 13px; color: var(--color-on-surface-variant); margin-top: 4px; }
.xxm-container__ctns span { font-weight: 600; color: var(--color-on-surface); }
.xxm-container__note { font-size: 12px; color: var(--color-on-surface-variant); margin-top: 14px; padding: 10px; background: var(--color-surface-container-low); border-radius: var(--radius-sm); }

/* ——— Product Gallery ——— */
.xxm-gallery { display: flex; flex-direction: column; gap: 12px; }
.xxm-gallery__main {
  position: relative; aspect-ratio: 4/3;
  background: var(--color-surface-container);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius); overflow: hidden;
}
.xxm-gallery__stage { width: 100%; height: 100%; }
.xxm-gallery__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.xxm-gallery__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.92); color: var(--color-primary);
  font-size: 24px; line-height: 1; box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--duration);
  z-index: 2;
}
.xxm-gallery__nav:hover { background: #fff; }
.xxm-gallery__nav--prev { left: 12px; }
.xxm-gallery__nav--next { right: 12px; }
.xxm-gallery__lens {
  display: none; position: absolute; pointer-events: none;
  width: 100px; height: 100px; border-radius: 50%;
  border: 2px solid var(--color-secondary);
  background-repeat: no-repeat; background-size: 400% 400%;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.6);
  z-index: 3;
}
.xxm-gallery__zoom {
  display: none; position: absolute; top: 0; right: -110%;
  width: 100%; height: 100%;
  background-repeat: no-repeat; background-size: 250%;
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  pointer-events: none; z-index: 4;
  background-color: #fff;
}
@media (min-width: 1024px) {
  .xxm-gallery__main:hover .xxm-gallery__lens { display: block; }
  .xxm-gallery__main:hover .xxm-gallery__zoom { display: block; }
}
.xxm-gallery__thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.xxm-gallery__thumb {
  position: relative; aspect-ratio: 1/1;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius); overflow: hidden;
  background: var(--color-surface-container);
  transition: border-color var(--duration);
}
.xxm-gallery__thumb:hover, .xxm-gallery__thumb.is-active { border-color: var(--color-secondary); border-width: 2px; }
.xxm-gallery__thumb-img {
  display: block; width: 100%; height: 100%;
  background-size: cover; background-position: center;
  background-color: var(--color-surface-container);
}
.xxm-gallery__play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 28px; height: 28px; background: rgba(0,0,0,0.55); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px;
}

/* ——— Spec Table ——— */
.xxm-spec-wrap { margin: 12px 0; }
.xxm-spec__caption { color: var(--color-primary); margin-bottom: 8px; }
.xxm-spec__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--color-border-subtle); border-radius: var(--radius); }
.xxm-spec__swipe { display: none; font-size: 11px; color: var(--color-on-surface-variant); margin-bottom: 4px; }
@media (max-width: 767px) { .xxm-spec__swipe { display: block; } }
.xxm-spec { width: 100%; min-width: 360px; border-collapse: collapse; }
.xxm-spec th, .xxm-spec td { padding: 12px 16px; text-align: left; font-size: 14px; vertical-align: top; }
.xxm-spec__k {
  background: var(--color-surface-container-low);
  font-weight: 600; color: var(--color-on-surface-variant);
  width: 38%;
  position: sticky; left: 0; z-index: 1;
}
.xxm-spec.is-mobile .xxm-spec__k { position: sticky; left: 0; box-shadow: 1px 0 0 var(--color-border-subtle); }
.xxm-spec__v { color: var(--color-on-surface); }
.xxm-spec tr.is-zebra .xxm-spec__v { background: var(--color-surface-container-lowest); }

/* ——— Cert Grid + Lightbox ——— */
.xxm-cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.xxm-cert {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px; text-align: center;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-border-subtle); border-radius: var(--radius);
  cursor: pointer; transition: border-color var(--duration), transform var(--duration);
}
.xxm-cert:hover, .xxm-cert:focus { border-color: var(--color-secondary); transform: translateY(-2px); outline: none; }
.xxm-cert__title { font-family: var(--font-serif); font-size: 16px; font-weight: 600; color: var(--color-primary); }
.xxm-cert__desc { font-size: 12px; color: var(--color-on-surface-variant); }
.xxm-cert__file { font-size: 12px; color: var(--color-tertiary); display: inline-flex; align-items: center; gap: 4px; }

.xxm-cert-lightbox {
  position: relative; background: #fff; padding: 32px;
  border-radius: var(--radius-lg); max-width: 480px; width: 100%;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  text-align: center;
}
.xxm-cert-lightbox__title { font-size: 22px; }
.xxm-cert-lightbox__desc { color: var(--color-on-surface-variant); }

/* ——— Header ——— */
.xxm-header {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-ambient);
}
.xxm-header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
/* keep anchored sections below the sticky header */
section[id] { scroll-margin-top: 88px; }
.xxm-header__logo { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--color-primary); text-decoration: none; letter-spacing: -0.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex-shrink: 1; }
.xxm-header__nav { display: none; gap: 20px; align-items: center; margin-left: auto; flex-shrink: 0; }
@media (min-width: 1024px) { .xxm-header__nav { display: flex; } }
.xxm-header__nav a { font-size: 13px; font-weight: 600; color: var(--color-on-surface-variant); letter-spacing: 0.01em; padding: 8px 0; border-bottom: 2px solid transparent; transition: color var(--duration), border-color var(--duration); }
.xxm-header__nav a:hover, .xxm-header__nav a.is-active { color: var(--color-primary); border-bottom: 2px solid var(--color-secondary); }
.xxm-header__right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.xxm-header__quote { white-space: nowrap; }
@media (max-width: 520px) { .xxm-header__quote { display: none; } }
.xxm-header__lang { font-size: 12px; color: var(--color-on-surface-variant); font-weight: 600; white-space: nowrap; }
.xxm-header__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 999px;
  background: transparent; color: var(--color-primary);
  transition: background var(--duration), color var(--duration);
}
.xxm-header__icon:hover { background: var(--color-surface-container-low); color: var(--color-secondary); }
@media (max-width: 520px) { .xxm-header__lang { display: none; } }
.xxm-header__mobile-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius);
  background: transparent; color: var(--color-primary);
}
@media (min-width: 1024px) { .xxm-header__mobile-toggle { display: none; } }

/* Mobile drawer */
.xxm-mobile-nav {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  background: rgba(25, 28, 29, 0.55);
  display: none;
}
.xxm-mobile-nav.is-open { display: block; }
body.xxm-menu-open { overflow: hidden; }
.xxm-mobile-nav__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 84%; max-width: 360px;
  background: var(--color-background); padding: 20px;
  display: flex; flex-direction: column; gap: 6px;
  box-shadow: -8px 0 24px rgba(0,0,0,0.1);
  animation: xxm-slide-in 0.22s var(--ease-out);
}
@keyframes xxm-slide-in { from { transform: translateX(100%); } to { transform: none; } }
.xxm-mobile-nav__panel a {
  padding: 14px 12px; font-size: 15px; font-weight: 600;
  color: var(--color-on-surface); border-bottom: 1px solid var(--color-border-subtle);
}
.xxm-mobile-nav__panel a:hover { color: var(--color-primary); text-decoration: none; }
.xxm-mobile-nav__panel .btn { margin-top: auto; }

/* ——— Footer ——— */
.xxm-footer {
  background: var(--color-primary); color: var(--color-on-primary);
  padding: 32px 0 28px;
  /* No top margin — sections provide their own bottom padding for unified rhythm. */
}
.xxm-footer__grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .xxm-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.xxm-footer h4 { color: var(--color-on-primary); font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-sans); font-weight: 600; margin-bottom: 14px; }
.xxm-footer ul { list-style: none; padding: 0; margin: 0; }
.xxm-footer li { margin-bottom: 8px; }
.xxm-footer a { color: rgba(255,255,255,0.7); font-size: 14px; }
.xxm-footer a:hover { color: var(--color-secondary); text-decoration: none; }
.xxm-footer__brand h3 { font-size: 24px; color: #fff; margin-bottom: 8px; }
.xxm-footer__brand p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }
.xxm-footer__bottom {
  margin-top: 32px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 12px; color: rgba(255,255,255,0.5);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
}

/* ——— Hero / Section helpers ——— */
.xxm-hero { padding: 64px 0 32px; }
.xxm-hero-grid { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
@media (min-width: 1024px) { .xxm-hero-grid { grid-template-columns: 1.05fr 0.95fr; } }
.xxm-contact-grid { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center; }
@media (min-width: 1024px) { .xxm-contact-grid { grid-template-columns: 1.2fr 1fr; } }
.xxm-hero__eyebrow { color: var(--color-secondary-dark); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; font-size: 12px; margin-bottom: 12px; }
.xxm-hero__title { font-size: clamp(28px, 5vw, 48px); line-height: 1.15; letter-spacing: -0.02em; color: var(--color-primary); margin-bottom: 16px; }
.xxm-hero__sub { font-size: clamp(15px, 2.2vw, 18px); color: var(--color-on-surface-variant); line-height: 1.55; max-width: 640px; margin-bottom: 24px; }
.xxm-hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }

/* Value badges row (Section 3 of landing) */
.xxm-badges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px 0; border-top: 1px solid var(--color-border-subtle); border-bottom: 1px solid var(--color-border-subtle); }
@media (min-width: 768px) { .xxm-badges { grid-template-columns: repeat(4, 1fr); } }
.xxm-badge { display: flex; flex-direction: column; gap: 4px; }
.xxm-badge__icon { width: 36px; height: 36px; color: var(--color-primary); margin-bottom: 4px; }
.xxm-badge__title { font-family: var(--font-serif); font-size: 16px; font-weight: 600; color: var(--color-primary); }
.xxm-badge__desc { font-size: 13px; color: var(--color-on-surface-variant); line-height: 1.5; }

/* Process steps */
.xxm-process { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .xxm-process { grid-template-columns: repeat(4, 1fr); } }
.xxm-process__step { padding: 20px; border: 1px solid var(--color-border-subtle); border-radius: var(--radius); background: #fff; }
.xxm-process__num { font-family: var(--font-serif); font-size: 36px; font-weight: 700; color: var(--color-secondary); line-height: 1; }
.xxm-process__title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; color: var(--color-primary); margin: 8px 0 4px; }
.xxm-process__desc { font-size: 13px; color: var(--color-on-surface-variant); line-height: 1.5; }
.xxm-process__days { font-size: 11px; color: var(--color-secondary-dark); font-weight: 600; margin-top: 8px; text-transform: uppercase; letter-spacing: 0.05em; }

/* FAQ */
.xxm-faq { display: flex; flex-direction: column; gap: 8px; }
.xxm-faq__item { border: 1px solid var(--color-border-subtle); border-radius: var(--radius); background: #fff; }
.xxm-faq__q { width: 100%; text-align: left; padding: 16px 20px; font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--color-on-surface); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.xxm-faq__q { cursor: pointer; list-style: none; }
.xxm-faq__q::-webkit-details-marker { display: none; }
.xxm-faq__q::after { content: "+"; font-size: 22px; color: var(--color-secondary-dark); transition: transform var(--duration); }
.xxm-faq__item[open] .xxm-faq__q::after { transform: rotate(45deg); }
.xxm-faq__a { padding: 0 20px 16px; color: var(--color-on-surface-variant); font-size: 14px; line-height: 1.6; }

/* Category grid */
.xxm-cats { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .xxm-cats { grid-template-columns: repeat(3, 1fr); } }
.xxm-cat { position: relative; aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius); background: var(--color-surface-container); display: flex; align-items: flex-end; padding: 16px; color: #fff; }
.xxm-cat::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 60%); }
.xxm-cat__img { position: absolute; inset: 0; background-size: cover; background-position: center; }
.xxm-cat__name { position: relative; font-family: var(--font-serif); font-size: 20px; font-weight: 600; }
.xxm-cat__count { position: relative; font-size: 12px; opacity: 0.9; }

/* Production stats */
.xxm-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 32px 0; border-top: 1px solid var(--color-border-subtle); border-bottom: 1px solid var(--color-border-subtle); }
@media (min-width: 768px) { .xxm-stats { grid-template-columns: repeat(4, 1fr); } }
.xxm-stat { text-align: center; }
.xxm-stat__num { font-family: var(--font-serif); font-size: clamp(36px, 5vw, 48px); font-weight: 700; color: var(--color-primary); line-height: 1; letter-spacing: -0.02em; }
.xxm-stat__label { font-size: 12px; color: var(--color-on-surface-variant); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }

/* Blog post cards & single */
.xxm-post { }
.xxm-post--card {
  display: grid;
  gap: 16px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.xxm-post--card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-floating);
  border-color: var(--color-secondary);
}
@media (min-width: 640px) {
  .xxm-post--card { grid-template-columns: 180px 1fr; align-items: start; }
}
.xxm-post__thumb {
  display: block;
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface-variant);
}
.xxm-post__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration); }
.xxm-post__thumb:hover img { transform: scale(1.03); }
.xxm-post__placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-on-surface-variant);
}
.xxm-post__body { display: flex; flex-direction: column; gap: 8px; }
.xxm-post__title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}
.xxm-post__title a { color: var(--color-primary); text-decoration: none; }
.xxm-post__title a:hover { color: var(--color-secondary-dark); text-decoration: underline; }
.xxm-post__meta {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  display: flex; flex-wrap: wrap; gap: 6px;
  align-items: center;
}
.xxm-post__meta a { color: var(--color-on-surface-variant); text-decoration: none; }
.xxm-post__meta a:hover { text-decoration: underline; }
.xxm-post__sep { opacity: 0.6; }
.xxm-post__summary p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.xxm-post__more {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: 4px;
}
.xxm-post__more:hover { color: var(--color-secondary-dark); text-decoration: underline; }
.xxm-post__more .material-symbols-outlined { font-size: 16px; }

.xxm-post--single { max-width: 760px; margin: 0 auto; padding: 24px 16px; }
.xxm-post--single .xxm-post__header { margin-bottom: 16px; }
.xxm-post--single .xxm-post__title { font-size: clamp(26px, 4vw, 36px); }
.xxm-post--single .xxm-post__featured {
  margin: 16px 0 24px;
  border-radius: var(--radius);
  overflow: hidden;
}
.xxm-post--single .xxm-post__featured img { width: 100%; height: auto; }
.xxm-post--single .xxm-post__summary {
  font-size: 16px; line-height: 1.7; color: var(--color-on-surface);
}
.xxm-post--single .xxm-post__summary > * + * { margin-top: 1em; }
.xxm-post--single .xxm-post__summary h2,
.xxm-post--single .xxm-post__summary h3 { font-family: var(--font-serif); color: var(--color-primary); margin-top: 1.6em; }
.xxm-post--single .xxm-post__summary ul { padding-left: 1.3em; }

/* PDP FAQ (details) */
.xxm-faq-list { display: flex; flex-direction: column; gap: 8px; }
.xxm-faq-item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius);
  background: #fff;
  padding: 0;
  overflow: hidden;
}
.xxm-faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-on-surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.xxm-faq-item > summary::-webkit-details-marker { display: none; }
.xxm-faq-item > summary::after {
  content: "+";
  font-size: 22px;
  color: var(--color-secondary-dark);
  transition: transform var(--duration);
  flex-shrink: 0;
}
.xxm-faq-item[open] > summary::after { transform: rotate(45deg); }
.xxm-faq-answer {
  padding: 0 20px 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-on-surface-variant);
}

/* Related product cards */
.card-product {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card-product:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-floating);
  border-color: var(--color-secondary);
}
.card-product .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }

/* B2B product grid — archive-product.php */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.card-product__media {
  display: block;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface-container-low);
  border-bottom: 1px solid var(--color-border-subtle);
}
.card-product__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
}
.card-product__sku {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-on-surface-variant);
}
.card-product__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}
.card-product__title a { color: var(--color-primary); text-decoration: none; }
.card-product__title a:hover { color: var(--color-secondary); }
.card-product__price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.card-product__price-from {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}
.card-product__moq {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
}
.card-product__actions { margin-top: 4px; }
.card-product__actions .btn { width: 100%; }

/* ============================================================
   Unified Section Rhythm — fixes homepage "patchwork" feel
   ============================================================ */
.section {
  padding: 96px 0;
  position: relative;
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
}
.section--alt { background: var(--color-surface-container-low); }
.section--dark { background: var(--color-primary); color: var(--color-on-primary); padding: 72px 0 48px; }
.section--dark h2 { color: #fff; }
@media (max-width: 768px) {
  .section--dark { padding: 48px 0 40px; }
}

.section-title {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-title .label {
  color: var(--color-secondary-dark);
  margin-bottom: 10px;
}
.section-title h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--color-primary);
  margin: 0 0 14px;
}
.section-title p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
  margin: 0;
}

/* title left, action button right */
.section-title--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  max-width: none;
  margin-bottom: 48px;
}
.section-title--row .section-title__intro { max-width: 620px; }
.section-title--row .section-title__intro h2 { margin-bottom: 10px; }

/* centered (social proof) */
.section-title--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  max-width: 720px;
}

/* Generic blog/post card */
.card-post {
  display: block;
  text-decoration: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card-post:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-floating);
  border-color: var(--color-secondary);
}
.card-post__media {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-surface-container-low);
}
.card-post__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-post__body { padding: 24px; }
.card-post__date {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  margin-bottom: 8px;
}
.card-post__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
  margin: 0 0 8px;
}
.card-post__excerpt {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  margin: 0 0 16px;
}
.card-post__more {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-secondary);
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

/* ============================================================
   Comments (single post) — align with .xxm-post--single (760px)
   Default WP comment form had NO styles -> fell back to browser
   defaults (unstyled textarea/inputs/button). Fix below.
   ============================================================ */
.comments-area {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 8px;
}

.comment-reply-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 8px;
  letter-spacing: var(--tracking-tight);
}
.comment-reply-title small { font-size: 0.7em; font-weight: 400; margin-left: 8px; }
.comment-reply-title small a { color: var(--color-secondary); }

.comment-notes {
  font-size: var(--text-body-sm);
  color: var(--color-on-surface-variant);
  margin: 0 0 24px;
}

/* Each field is emitted as a <p> by comment_form() */
.comment-form > p { margin: 0 0 18px; }
.comment-form label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label-md);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: 8px;
}
.comment-form .required { color: var(--color-error); margin-left: 2px; }

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  transition: border-color var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}
.comment-form textarea { min-height: 160px; resize: vertical; }
.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-input-focus);
}

/* Cookies consent checkbox — keep inline with its label */
.comment-form-cookies-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--text-body-sm);
  color: var(--color-on-surface-variant);
}
.comment-form-cookies-consent input { margin-top: 3px; width: auto; }
.comment-form-cookies-consent label {
  display: inline;
  margin: 0;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--color-on-surface-variant);
}

/* Submit */
.form-submit { margin-top: 4px; }
.comment-form .submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: #fff;
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 12px 28px;
  min-height: 44px;
  font-family: var(--font-sans);
  font-size: var(--text-body-md);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}
.comment-form .submit:hover {
  background: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

/* Existing comment list (robustness, in case comments exist) */
.comment-list { list-style: none; padding: 0; margin: 0 0 32px; }
.comment-list .comment { padding: 16px 0; border-top: 1px solid var(--color-border-subtle); }
.comment-list .comment-author { font-weight: 600; color: var(--color-primary); }
.comment-list .comment-metadata { font-size: var(--text-label-sm); color: var(--color-on-surface-variant); margin-bottom: 8px; }
.comment-list .comment-content { font-size: var(--text-body-md); line-height: 1.6; color: var(--color-on-surface); }
.comment-list .reply { margin-top: 8px; }
.comment-list .reply a { color: var(--color-secondary); font-weight: 600; font-size: var(--text-body-sm); }

/* ============================================================
   Post navigation (Previous / Next) under the article
   ============================================================ */
.post-navigation {
  max-width: 760px;
  margin: 40px auto 0;
  padding: 24px 16px 0;
  border-top: 1px solid var(--color-border-subtle);
}
.post-navigation .nav-links {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.post-navigation .nav-previous,
.post-navigation .nav-next { max-width: 48%; }
.post-navigation .nav-next { margin-left: auto; text-align: right; }
.post-navigation .nav-subtitle {
  display: block;
  font-size: var(--text-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-on-surface-variant);
  margin-bottom: 4px;
}
.post-navigation .nav-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.post-navigation a:hover .nav-title { color: var(--color-secondary); }

@media (max-width: 600px) {
  .post-navigation .nav-links { flex-direction: column; gap: 20px; }
  .post-navigation .nav-previous,
  .post-navigation .nav-next { max-width: 100%; text-align: left; margin-left: 0; }
}