/* ============================================================
   Support pages — 炎上音樂科技
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  background: #f2f2f4;
  color: #000;
}

body {
  min-height: 100vh;
  background: #f2f2f4;
}

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 32px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  z-index: 50;
  transition: background 0.2s ease;
}

#nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.nav-logo-link:hover { transform: scale(1.08); }

#nav-logo img {
  width: 32px;
  height: auto;
  filter: brightness(0);
  display: block;
}

.nav-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 40px;
  height: 100%;
  align-items: stretch;
}

.nav-links a {
  text-decoration: none;
  color: #000;
  font-size: 14px;
  letter-spacing: 0.03em;
  opacity: 0.65;
  transition: opacity 0.2s ease;
}
.nav-links > a {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-links a:hover { opacity: 1; }

.nav-lang {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.lang-pill {
  height: 28px;
  padding: 0 14px;
  border-radius: 100px;
  border: 1px solid rgba(0,0,0,0.12);
  background: #ffffff;
  color: rgba(0,0,0,0.65);
  font-size: 12px;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08), 0 0 0 0.5px rgba(0,0,0,0.04);
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.lang-pill:hover {
  background: #f5f5f7;
  border-color: rgba(0,0,0,0.22);
  color: #000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12), 0 0 0 0.5px rgba(0,0,0,0.06);
}

/* ── Navbar: dropdown (desktop) ── */
.nav-dropdown { position: relative; display: flex; align-items: center; height: 100%; }

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: #000;
  opacity: 0.65;
  padding: 0;
  transition: opacity 0.2s;
}
.nav-dropdown-trigger:hover { opacity: 1; }

.nav-dd-chevron {
  display: block;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.nav-dropdown:hover .nav-dd-chevron { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 6px;
  min-width: 160px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  height: 18px;
}

.nav-dd-item {
  display: block;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: rgba(0,0,0,0.72);
  text-decoration: none;
  transition: background 0.15s;
  white-space: nowrap;
  cursor: pointer;
}
a.nav-dd-item:hover { background: rgba(0,0,0,0.04); color: rgba(0,0,0,0.9); }
.nav-dd-item--dim { color: rgba(0,0,0,0.28); cursor: default; }
.nav-dd-item--dim:hover { background: none; }

/* Active: navbar-bottom indicator bar */
.nav-links a.is-active,
.nav-dropdown-trigger.is-active {
  opacity: 1 !important;
  text-decoration: none !important;
}
.nav-links > a.is-active::after,
.nav-dropdown.is-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(0,0,0,0.85);
  border-radius: 1px;
}
/* Active: sub-item gets dark-blue dot */
a.nav-dd-item.is-active { color: rgba(0,0,0,0.85); }
a.nav-dd-item.is-active::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #1a54d8;
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* ── Mobile nav: accordion ── */
.mobile-nav-group { display: flex; flex-direction: column; }

.mobile-nav-group-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  color: #000;
  opacity: 0.75;
  text-align: left;
  position: relative;
  transition: opacity 0.15s;
}
.mobile-nav-group-btn:hover { opacity: 1; }

.mobile-nav-chevron {
  flex-shrink: 0;
  transition: transform 0.25s ease;
  opacity: 0.4;
}
.mobile-nav-group.is-open .mobile-nav-chevron { transform: rotate(180deg); }

.mobile-nav-sub {
  height: 0;
  overflow: hidden;
  transition: height 0.28s cubic-bezier(0.4,0,0.2,1);
}

.mobile-nav-sub-link {
  display: block;
  padding: 9px 24px 9px 44px;
  font-size: 14px;
  color: rgba(0,0,0,0.7);
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.15s;
}
a.mobile-nav-sub-link:hover { opacity: 1; }
.mobile-nav-sub-link--dim { color: rgba(0,0,0,0.3); cursor: default; }

/* Mobile active */
.mobile-nav-link.is-active,
.mobile-nav-group.is-active > .mobile-nav-group-btn {
  opacity: 1;
  font-weight: 600;
}
.mobile-nav-link.is-active::before,
.mobile-nav-group.is-active > .mobile-nav-group-btn::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5px;
  height: 16px;
  background: rgba(0,0,0,0.85);
  border-radius: 0 2px 2px 0;
}
a.mobile-nav-sub-link.is-active { opacity: 1; font-weight: 600; color: rgba(0,0,0,0.85); }
a.mobile-nav-sub-link.is-active::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #1a54d8;
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* ── Mobile hamburger menu ── */
.nav-menu-btn { display: none; margin-left: 8px; }

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(255,255,255,0.62);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.8);
  z-index: 49;
  flex-direction: column;
  padding: 8px 0 12px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.mobile-nav.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav-link {
  display: block;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 500;
  color: #000;
  text-decoration: none;
  letter-spacing: 0.01em;
  opacity: 0.75;
  position: relative;
  transition: opacity 0.15s ease;
}
.mobile-nav-link:hover { opacity: 1; }

/* ── Footer ── */
.footer {
  background: #0a0a0a;
  padding: 64px 40px 52px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 0 60px;
  align-items: start;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.footer-logo img {
  height: 24px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}
.footer-logo-name {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.01em;
}
.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.28);
  line-height: 1.5;
  margin: 0;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin: 0;
}
.footer-col-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.48);
  text-decoration: none;
  transition: color 0.18s ease;
}
.footer-col-links a:hover { color: rgba(255,255,255,0.9); }
.footer-link-dim {
  font-size: 13px;
  color: rgba(255,255,255,0.22);
}

/* ── Footer: col toggle button ── */
.footer-col-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  cursor: default;
  pointer-events: none;
  text-align: left;
}

.footer-col-chevron {
  display: none;
  color: rgba(255,255,255,0.4);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

/* ── Footer bottom (copyright) ── */
.footer-bottom {
  max-width: 1100px;
  margin: 28px auto 0;
  padding: 20px 40px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-bottom .footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.28);
  line-height: 1.5;
  margin: 0;
}

/* ============================================================
   Support Hero
   ============================================================ */
.support-hero {
  background: #f2f2f4;
  padding: calc(64px + 120px) 24px 120px;
}

.support-hero-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.support-hero-title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #1C1C1E;
  margin-bottom: 48px;
}

/* ── Shared search row ── */
.search-row {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.search-wrap {
  position: relative;
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 524px;
}

.search-input {
  flex: 1;
  height: 52px;
  padding: 0 24px;
  border-radius: 100px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid rgba(255,255,255,0.85);
  box-shadow: 0 2px 16px rgba(0,0,0,0.07), inset 0 1px 0 rgba(255,255,255,0.9);
  font-size: 15px;
  font-family: inherit;
  color: #000;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
  -webkit-appearance: none;
  appearance: none;
}

.search-input::placeholder {
  color: rgba(0,0,0,0.28);
}

.search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

.search-input:focus {
  border-color: rgba(61,123,219,0.4);
  box-shadow: 0 0 0 4px rgba(61,123,219,0.08), 0 2px 16px rgba(0,0,0,0.07);
}

.search-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid rgba(255,255,255,0.85);
  box-shadow: 0 2px 16px rgba(0,0,0,0.07), inset 0 1px 0 rgba(255,255,255,0.9);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.search-btn:hover {
  background: rgba(255,255,255,0.92);
  transform: scale(1.06);
}

/* ── Search results panel ── */
.search-results {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 100%;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  border: 1px solid rgba(0,0,0,0.06);
  z-index: 100;
  overflow: hidden;
}

.search-results[hidden] { display: none; }

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  cursor: pointer;
  transition: background 0.15s ease;
  text-decoration: none;
  color: inherit;
}

.search-result-item:hover {
  background: rgba(61,123,219,0.04);
}

.search-result-question {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: #1C1C1E;
}

.search-result-cat {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(61,123,219,0.08);
  color: #3D7BDB;
  white-space: nowrap;
  flex-shrink: 0;
}

.search-no-results {
  padding: 24px;
  text-align: center;
  font-size: 14px;
  color: rgba(0,0,0,0.35);
}

/* ============================================================
   Support Products section
   ============================================================ */
.support-products {
  background: #ffffff;
  padding: 80px 24px 120px;
}

.support-products-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 150px;
}

.products-group {
  flex: none;
}

.products-group-title {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #1C1C1E;
  margin-bottom: 20px;
  white-space: nowrap;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 240px);
  grid-auto-rows: 240px;
  gap: 20px;
}

.products-grid--single {
  grid-template-columns: 240px;
}

/* ── Product card ── */
.product-card {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 20px;
  box-shadow:
    0 4px 24px rgba(61,123,219,0.06),
    0 1px 0 rgba(255,255,255,0.95) inset,
    0 2px 8px rgba(0,0,0,0.03);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
  aspect-ratio: 1;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1), box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 12px 40px rgba(61,123,219,0.12),
    0 2px 8px rgba(0,0,0,0.05);
}

.product-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  object-fit: cover;
  flex-shrink: 0;
}

.product-card-icon--placeholder {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, #e8e8e8 0%, #d4d4d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: rgba(0,0,0,0.3);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* contact card icon */
.contact-card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(0,0,0,0.32);
  flex-shrink: 0;
}

.product-card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.product-card-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.32);
}

.product-card-name {
  font-size: 16px;
  font-weight: 600;
  color: #1C1C1E;
}

.product-card-desc {
  font-size: 12px;
  color: rgba(0,0,0,0.4);
}

.product-card-chip {
  display: inline-block;
  background: rgba(61,123,219,0.08);
  color: #3D7BDB;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 500;
  margin-top: 2px;
}

.product-card-chip--gray {
  background: rgba(0,0,0,0.06);
  color: rgba(0,0,0,0.4);
}

/* Coming soon card */
.product-card--coming {
  opacity: 0.42;
  cursor: default;
  pointer-events: none;
}

/* Search inline answer */
.search-back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 13px;
  color: #3D7BDB;
  cursor: pointer;
  font-family: inherit;
  width: 100%;
  text-align: left;
  transition: background 0.15s ease;
}
.search-back-btn:hover { background: rgba(61,123,219,0.04); }

.search-answer-view {
  padding: 18px 20px 20px;
}
.search-answer-question {
  font-size: 15px;
  font-weight: 600;
  color: #1C1C1E;
  margin: 0 0 10px;
  line-height: 1.4;
}
.search-answer-text {
  font-size: 14px;
  color: rgba(0,0,0,0.55);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   FAQ Header (masternotes.html)
   ============================================================ */
.faq-header {
  background: #f2f2f4;
  padding: calc(64px + 56px) 24px 56px;
}

.faq-header-inner {
  max-width: 760px;
  margin: 0 auto;
}

.faq-breadcrumb {
  font-size: 13px;
  color: rgba(0,0,0,0.4);
  margin-bottom: 24px;
}

.faq-breadcrumb-link {
  color: rgba(0,0,0,0.4);
  text-decoration: none;
  transition: color 0.15s ease;
}
.faq-breadcrumb-link:hover { color: rgba(0,0,0,0.7); }

.faq-breadcrumb-sep {
  margin: 0 4px;
}

.faq-header-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 4px;
}

.faq-app-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  object-fit: contain;
  background: #f0f0f0;
  padding: 6px;
}

.faq-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #1C1C1E;
  margin-bottom: 36px;
}

/* FAQ search: max-width 480px */
.faq-header .search-wrap {
  max-width: 480px;
}

/* ============================================================
   FAQ Content (masternotes.html)
   ============================================================ */
.faq-content {
  background: #ffffff;
  padding: 64px 24px 120px;
}

.faq-content-inner {
  max-width: 760px;
  margin: 0 auto;
}

/* ── Two-level FAQ accordion: category ── */
.faq-category {
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.faq-category:first-child {
  border-top: 1px solid rgba(0,0,0,0.07);
}

.faq-category-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  gap: 16px;
  transition: opacity 0.15s ease;
}
.faq-category-header:hover { opacity: 0.75; }

.faq-category-label {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #1C1C1E;
}

.faq-category-chevron {
  flex-shrink: 0;
  color: rgba(0,0,0,0.3);
  transition: transform 0.25s ease;
}

.faq-category.is-open .faq-category-chevron {
  transform: rotate(180deg);
}

.faq-category-body {
  overflow: hidden;
  transition: height 0.32s cubic-bezier(0.4,0,0.2,1);
}

/* ── Accordion items ── */
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.faq-question-btn {
  width: 100%;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 400;
  color: #1C1C1E;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.faq-question-btn:hover .faq-toggle-icon {
  color: rgba(0,0,0,0.55);
}

.faq-toggle-icon {
  font-size: 22px;
  color: rgba(0,0,0,0.3);
  flex-shrink: 0;
  transition: transform 0.2s ease, color 0.15s ease;
  line-height: 1;
  width: 24px;
  text-align: center;
}

.faq-item.is-open .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  height: 0;
  overflow: hidden;
  transition: height 0.3s cubic-bezier(0.4,0,0.2,1);
}

.faq-answer-inner {
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(0,0,0,0.55);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .footer { padding: 48px 24px 44px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-brand { grid-column: 1 / -1; }

  .nav-links    { display: none !important; }
  .nav-menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .mobile-nav   { display: flex; }
  #navbar       { padding: 0 20px; }
}

@media (max-width: 640px) {
  .support-products-inner {
    flex-direction: column;
    gap: 40px;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: auto;
  }
  .products-grid--single {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .lang-pill {
    background: rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-color: rgba(255, 255, 255, 0.9);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 2px 8px rgba(0,0,0,0.06);
  }

  /* Footer accordion on mobile */
  .footer-inner { grid-template-columns: 1fr !important; gap: 0 !important; }
  .footer-brand { padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.08); grid-column: auto !important; }
  .footer-col { border-top: 1px solid rgba(255,255,255,0.08); gap: 0; }
  .footer-col-toggle { cursor: pointer; pointer-events: auto; padding: 14px 0; }
  .footer-col-chevron { display: block; }
  .footer-col.is-open .footer-col-chevron { transform: rotate(180deg); }
  .footer-col-links { height: 0; overflow: hidden; transition: height 0.28s cubic-bezier(0.4,0,0.2,1); margin: 0; }
  .footer-col.is-open .footer-col-links { padding-bottom: 16px; }
  .footer-bottom { padding: 16px 0 0; margin-top: 16px; }

  .support-hero {
    padding: calc(64px + 80px) 20px 80px;
  }

  .support-products {
    padding: 56px 20px 80px;
  }

  .faq-header {
    padding: calc(64px + 40px) 20px 40px;
  }

  .faq-content {
    padding: 48px 20px 80px;
  }

  .search-wrap {
    max-width: 100%;
  }
}

/* ── Remove all hover effects on touch devices ── */
@media (hover: none) {
  .nav-logo-link:hover              { transform: none; }
  .nav-links a:hover                { opacity: 1; }
  .lang-pill:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.9);
    color: rgba(0,0,0,0.65);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 2px 8px rgba(0,0,0,0.06);
  }
  .footer-col-links a:hover         { color: rgba(255,255,255,0.48); }
  .mobile-nav-link:hover            { opacity: 1 !important; }
  .product-card:hover               { transform: none; box-shadow: 0 4px 24px rgba(61,123,219,0.07), 0 1px 0 rgba(255,255,255,0.95) inset, 0 2px 8px rgba(0,0,0,0.04); }
  .search-btn:hover                 { background: rgba(255,255,255,0.72); transform: none; }
  .search-result-item:hover         { background: transparent; }
}