/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding-inline: 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), opacity 0.25s var(--ease);
}

.btn-sm {
  height: 36px;
  padding-inline: 16px;
  font-size: 13px;
}

.btn-primary {
  background: #f3f3f1;
  color: #0a0a0b;
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: #ffffff;
}

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

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 11, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 10, 11, 0.85);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: auto;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
}

.footer-brand .logo-mark {
  height: 52px;
}

.main-nav {
  display: none;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--text-secondary);
}

.main-nav a:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-actions .btn-ghost,
.header-actions .btn-primary {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
}

.nav-toggle span {
  width: 18px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 90;
  background: rgba(10, 10, 11, 0.98);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.mobile-nav.is-open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.mobile-nav a {
  padding: 14px 4px;
  font-size: 17px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.mobile-nav .btn {
  margin-top: 20px;
  width: 100%;
}

@media (min-width: 960px) {
  .main-nav {
    display: flex;
  }
  .header-actions .btn-ghost,
  .header-actions .btn-primary {
    display: inline-flex;
  }
  .nav-toggle {
    display: none;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 56px;
  background:
    radial-gradient(560px 320px at 50% 0%, rgba(227, 177, 88, 0.14), transparent 70%),
    var(--bg);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
  width: 100%;
  min-width: 0;
}

.hero-inner > * {
  min-width: 0;
  max-width: 100%;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px 7px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 13px;
  color: var(--text-secondary);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.pill-badge:hover {
  border-color: rgba(227, 177, 88, 0.5);
  background: var(--surface-2);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft, rgba(227, 177, 88, 0.18));
}

.pill-arrow {
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
}

.hero-title {
  font-size: 34px;
  max-width: 15ch;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
}

.hero-subtitle {
  max-width: 46ch;
  color: var(--text-secondary);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 6px;
}

.hero-values {
  margin-top: 56px;
  text-align: center;
}

.hero-values-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 18px;
}

.hero-values-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.value-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.value-icon {
  color: var(--gold);
  font-size: 10px;
}

@media (min-width: 720px) {
  .hero {
    padding-top: calc(var(--header-h) + 90px);
    padding-bottom: 80px;
  }
  .hero-title {
    font-size: 52px;
    max-width: 18ch;
  }
  .hero-subtitle {
    font-size: 18px;
  }
}

@media (min-width: 960px) {
  .hero-title {
    font-size: 64px;
  }
}

/* ==========================================================================
   Sections (shared)
   ========================================================================== */

.section {
  padding-block: 72px;
  border-top: 1px solid var(--border);
}

.section-alt {
  background: var(--bg-soft);
}

.section-head {
  max-width: 640px;
  margin-bottom: 44px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 30px;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 52ch;
}

.section-head.center p {
  margin-inline: auto;
}

@media (min-width: 720px) {
  .section {
    padding-block: 100px;
  }
  .section-head h2 {
    font-size: 38px;
  }
}

/* ==========================================================================
   About
   ========================================================================== */

.about-grid {
  display: grid;
  gap: 40px;
  min-width: 0;
}

.about-grid > * {
  min-width: 0;
}

.about-copy p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 16px;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.about-stat {
  background: var(--surface);
  padding: 24px 20px;
  min-width: 0;
}

.about-stat strong {
  display: block;
  font-size: 22px;
  margin-bottom: 4px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-stat span {
  font-size: 13px;
  color: var(--text-tertiary);
}

.contact-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.contact-strip a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.contact-strip a:hover {
  color: var(--text);
}

.contact-strip svg {
  color: var(--gold);
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

/* ==========================================================================
   Product tabs / mock editor
   ========================================================================== */

.product-grid {
  display: grid;
  gap: 20px;
}

.product-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.product-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.product-card-tag {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 12px;
}

.product-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.product-tagline {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.product-card .checklist {
  margin-bottom: 24px;
  flex: 1;
}

.product-card .checklist li {
  font-size: 14px;
}

.product-foot {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.product-foot a {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

@media (min-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ==========================================================================
   Quality section
   ========================================================================== */

.quality-grid {
  display: grid;
  gap: 24px;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}

.check-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(111, 207, 151, 0.12);
  color: var(--success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.result-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
}

.result-card h3 {
  font-size: 16px;
  margin-bottom: 18px;
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--success);
}

@media (min-width: 900px) {
  .quality-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ==========================================================================
   Steps (simplicity section)
   ========================================================================== */

.steps-grid {
  display: grid;
  gap: 20px;
}

.step-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #0a0a0b;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

@media (min-width: 720px) {
  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ==========================================================================
   Feature cards (support / warranty)
   ========================================================================== */

.feature-grid {
  display: grid;
  gap: 20px;
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.feature-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(227, 177, 88, 0.12);
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.feature-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

@media (min-width: 720px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ==========================================================================
   Final CTA
   ========================================================================== */

.cta-section {
  text-align: center;
  padding-block: 88px;
  background:
    radial-gradient(500px 260px at 50% 0%, rgba(227, 177, 88, 0.12), transparent 70%),
    var(--bg);
}

.cta-section h2 {
  font-size: 30px;
  max-width: 20ch;
  margin-inline: auto;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-secondary);
  max-width: 46ch;
  margin-inline: auto;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

@media (min-width: 720px) {
  .cta-section h2 {
    font-size: 40px;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding-top: 64px;
}

.footer-top {
  display: grid;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 34ch;
  margin-bottom: 18px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-secondary);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.footer-socials a:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-block: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-tertiary);
}

@media (min-width: 720px) {
  .footer-top {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  }
  .footer-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-column: span 2;
  }
}

/* ==========================================================================
   Product detail pages
   ========================================================================== */

.breadcrumb {
  padding-top: calc(var(--header-h) + 22px);
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.breadcrumb a:hover {
  color: var(--text-secondary);
}

.product-hero {
  padding-top: 26px;
  padding-bottom: 48px;
  background:
    radial-gradient(560px 320px at 50% 0%, rgba(227, 177, 88, 0.14), transparent 70%),
    var(--bg);
}

.product-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.product-hero-tag.is-silver {
  color: var(--silver);
}

.product-hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* spec table --------------------------------------------------------------- */

.spec-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row dt {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.spec-row dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

@media (min-width: 600px) {
  .spec-row {
    grid-template-columns: minmax(0, 180px) minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }
}

/* related products ---------------------------------------------------------- */

.related-grid {
  display: grid;
  gap: 16px;
}

.related-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 20px 22px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.related-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.related-card-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.related-card-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.related-card-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
}

@media (min-width: 720px) {
  .related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .related-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .related-card-arrow {
    margin-top: 14px;
  }
}

/* ==========================================================================
   Media gallery (packaging / warehouse photo placeholders)
   ========================================================================== */

.media-gallery {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-item {
  aspect-ratio: 4 / 3;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  text-align: center;
  color: var(--text-tertiary);
}

.media-item svg {
  color: var(--text-tertiary);
}

.media-item span {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.4;
}

@media (min-width: 720px) {
  .media-gallery {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* video placeholder ---------------------------------------------------------- */

.video-placeholder {
  aspect-ratio: 16 / 9;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 14px;
}

.video-placeholder .play-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}

/* purchase & policy ----------------------------------------------------------- */

.purchase-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
}

.purchase-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-shopee {
  background: transparent;
  color: #ee4d2d;
  border: 1px solid #ee4d2d;
}

.btn-shopee:hover {
  background: rgba(238, 77, 45, 0.1);
  transform: translateY(-1px);
}

.policy-note {
  font-size: 13.5px;
  color: var(--text-tertiary);
  padding-top: 18px;
  border-top: 1px solid var(--border);
}