/* ── Fonts ── */
@font-face {
  font-family: IBMPlexSans;
  src: url(../fonts/IBMPlexSans-Regular.ttf) format("truetype");
  font-weight: 400;
}
@font-face {
  font-family: IBMPlexSans;
  src: url(../fonts/IBMPlexSans-Medium.ttf) format("truetype");
  font-weight: 500;
}
@font-face {
  font-family: IBMPlexSans;
  src: url(../fonts/IBMPlexSans-SemiBold.ttf) format("truetype");
  font-weight: 600;  
}
@font-face {
  font-family: IBMPlexSans;
  src: url(../fonts/IBMPlexSans-Bold.ttf) format("truetype");
  font-weight: 700;
}
@font-face {
  font-family: IBMPlexMono;
  src: url(../fonts/IBMPlexMono-Regular.ttf) format("truetype");
  font-weight: 400;
}
@font-face {
  font-family: IBMPlexMono;
  src: url(../fonts/IBMPlexMono-Medium.ttf) format("truetype");
  font-weight: 500;
}
@font-face {
  font-family: IBMPlexMono;
  src: url(../fonts/IBMPlexMono-SemiBold.ttf) format("truetype");
  font-weight: 600;
}
@font-face {
  font-family: IBMPlexMono;
  src: url(../fonts/IBMPlexMono-Bold.ttf) format("truetype");
  font-weight: 700;  
}

/* ── Tokens ── */
:root {
  --sans: "IBMPlexSans", system-ui, sans-serif;
  --mono: "IBMPlexMono", monospace;
  --bg: #fff;
  --bg-alt: #f5f6f8;
  --ink: #15201e;
  --ink-2: #3a4744;
  --ink-3: #6b7280;
  --ink-4: #9ca3af;
  --accent: #3A5D7A;
  --accent-dark: #1e3a4e;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --green: #1D7A4C;
  --green-bg: #e6f7f0;
  --green-ink: #065f42;
  --navy: #3a5d7a0f;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --nav-h: 60px;
  --border-strong: #d7d7dc;
}

/* ── Scroll Progress Bar ── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--accent, #3A5D7A);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 10000;
  will-change: transform;
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--sans);
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul {
  list-style: none;
}
.mono {
  font-family: var(--mono);
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}
.container-md {
  padding: 32px;
}

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo img {
  height: 28px;
  width: auto;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
  justify-content: center;
}
.nav a {
  padding: 0.4rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: background 0.15s;
  white-space: nowrap;
}
.nav a:hover {
  background: var(--bg-alt);
  color: var(--ink);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  color: var(--ink-2);
  transition: background 0.15s;
  position: relative;
}
.icon-btn:hover {
  background: var(--bg-alt);
}
.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--accent);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  border-radius: var(--radius-pill);
  padding: 0 4px;
}
.menu-toggle {
  display: none;
}

/* ═══════════════════════════════════════════
   TICKER
   ═══════════════════════════════════════════ */
.ticker {
  background: var(--navy);
  color: #2e4b63;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.5rem 0;
  min-height: 38px;
}
.ticker-track {
  display: inline-flex;
  animation: scroll 35s linear infinite;
}
.ticker-track span {
  display: inline-flex;
  align-items: center;
  padding: 0 28px;
  gap: 10px;
}
.ticker-track span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #3a5d7a;
  box-shadow: 0 0 0 4px rgba(58, 93, 122, 0.12);
}
@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ═══════════════════════════════════════════
   BREADCRUMB
   ═══════════════════════════════════════════ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 1.2rem 0;
  font-size: 0.82rem;
  color: var(--ink-3);
}
.breadcrumb a:hover {
  color: var(--ink);
}
.breadcrumb .sep {
  color: var(--ink-4);
  font-size: 0.75em;
}
.breadcrumb [aria-current] {
  color: var(--ink);
}

/* ═══════════════════════════════════════════
   PRODUCT HERO
   ═══════════════════════════════════════════ */
.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.95fr);
  gap: clamp(1.4rem, 3vw, 3rem);
  padding-bottom: 3.5rem;
}
.product-image {
  align-self: start;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 90%;
  height: 100%;
  max-height: 620px;
  object-fit: contain;
  display: block;
  filter: saturate(1.04) contrast(1.04);
  transform: scale(1.02);
}

/* ═══════════════════════════════════════════
   BUYBOX
   ═══════════════════════════════════════════ */
.buybox {
  display: flex;
  flex-direction: column;
}
.product-title {
  font-size: 3.2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.product-subtitle {
  font-size: 1.02rem;
  color: var(--ink-2);
  margin-top: 0.75rem;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 1rem 0;
}
.price {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.price-note {
  font-size: 0.82rem;
  color: var(--ink-3);
  font-weight: 500;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.chip {
 background: color-mix(in srgb, #FFFFFF 86%, #F2F5F9);
    border-color: color-mix(in srgb, #3A5D7A 18%, #D7D7DC);
    color: var(--ink-2);
    font-weight: 500;
    padding: 0.42em 0.72em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    padding: 0.3em 0.65em;
    border: 1px solid #E6E6E9;
    border-radius: 3px;
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}
.chip svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Label */
.label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-family: var(--mono);
}

/* Size Variant Grid */
.variants {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 480px) {
  .variants {
    grid-template-columns: 1fr;
  }
}

.variant-card,
.size-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-strong, #d7d7dc);
  border-radius: 10px;
  background: #ffffff;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.variant-card:hover,
.size-card:hover {
  border-color: #3A5D7A;
}

.variant-card.selected,
.size-card.selected,
.variant-card[aria-checked="true"] {
  border-color: #3A5D7A;
  background: #F2F5F9;
  box-shadow: inset 0 0 0 1px #3A5D7A;
}

.variant-card__main,
.size-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.variant-card__main b,
.size-info b {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: #15201E;
  line-height: 1.2;
}

.variant-card__permg,
.per-mg {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #5F6A65;
}

.variant-card__right {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: none;
}

.variant-card__price,
.size-price {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: #2E4B63;
}

.variant-card__save {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: #1D7A4C;
  background: rgba(29, 122, 76, 0.12);
  padding: 0.22em 0.5em;
  border-radius: 999px;
  white-space: nowrap;
}

.variant-card__best {
  position: absolute;
  top: -11px;
  right: 14px;
  z-index: 1;
  background: #1D7A4C;
  color: #ffffff;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.25em 0.6em;
  border-radius: 4px;
}

/* Promo Card */
.promo-card {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}
.promo-card svg {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 0.1rem;
}
.promo-card div {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.promo-card b {
  font-size: 0.82rem;
}
.promo-card span {
  font-size: 0.72rem;
  color: var(--ink-3);
}

/* Buy Button */
.eon-motion-button,
.btn-buy {
  position: relative;
  display: inline-flex;
  width: 100%;
  min-height: 68px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 1rem;
  padding: 12px 18px;
  border: 1px solid var(--accent, #3a5d7a);
  border-radius: var(--radius-md, 10px);
  background-color: var(--accent, #3a5d7a);
  background-image: linear-gradient(
    110deg,
    transparent 0%,
    transparent 38%,
    rgba(255, 255, 255, 0.25) 48%,
    transparent 58%,
    transparent 100%
  );
  background-size: 240% 100%;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 24px -6px rgba(58, 93, 122, 0.35);
  transition:
    transform 160ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 160ms cubic-bezier(0.16, 1, 0.3, 1),
    background-color 160ms cubic-bezier(0.16, 1, 0.3, 1),
    background-position 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.eon-motion-button:hover,
.btn-buy:hover {
  background-color: var(--accent-dark, #2e4b63);
  background-position: 100% 0;
  box-shadow: 0 14px 28px -6px rgba(58, 93, 122, 0.48);
  transform: translateY(-1.5px);
}
.eon-motion-button:active,
.btn-buy:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 6px 16px -4px rgba(58, 93, 122, 0.3);
}

/* Dispatch & Shipping */
.dispatch {
  text-align: center;
  font-size: 0.63rem;
  color: #3a5d7a;
  margin-top: 0.6rem;
  font-weight: 500;
  font-family: var(--mono);
}
.shipping {
  text-align: center;
  font-size: 0.78rem;
  color: #5F6A65;
  margin-top: 0.75rem;
}

/* Trust Row */
.trust-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.68rem;
  color: var(--ink-3);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.trust-item svg {
  width: 20px;
  height: 20px;
}

/* Passed Cards */
.passed-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 1rem;
}
.passed-card {
  display: flex;
  gap: 0.6em;
  align-items: center;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(29, 122, 76, 0.25);
  background: rgba(29, 122, 76, 0.05);
  border-radius: 6px;
}
.passed-card svg {
  color: var(--green);
  flex-shrink: 0;
}
.passed-card div {
  display: flex;
  flex-direction: column;
}
.passed-card b {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.passed-card span {
  font-size: 0.68rem;
  color: var(--green-ink);
}

/* ═══════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════ */
.about-section,
.pdp-about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
    gap: clamp(1.6rem, 4vw, 3.4rem);
  align-items: start;
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  border-top: 1px solid #E6E6E9;
}

.eyebrow,
.pdp-about__eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #2E4B63;
  margin-bottom: 0.8rem;
}

.about-text,
.pdp-about__lead {
  font-size: 0.98rem;
  line-height: 1.72;
  color: #3A4744;
  margin-bottom: 0.8rem;
}

.about-block {
  margin-bottom: 1.8rem;
}
.about-block:last-child {
  margin-bottom: 0;
}
.about-block__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #15201E;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.about-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.9rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.about-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.94rem;
  line-height: 1.6;
  color: #3A4744;
}
.about-list li::before {
  content: "•";
  position: absolute;
  left: 0.2rem;
  top: 0;
  color: #3A5D7A;
  font-size: 1.1rem;
}
.about-list strong {
  color: #15201E;
  font-weight: 600;
}
.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.about-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #1D7A4C;
  background: rgba(29, 122, 76, 0.08);
  border: 1px solid rgba(29, 122, 76, 0.25);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
}

.tag,
.pdp-about__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.875rem;
  color: #5F6A65;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  background: transparent;
  border: none;
  padding: 0;
}

.facts,
.pdp-about__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid #E6E6E9;
  border-radius: 6px;
  background: #E6E6E9;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.facts > div,
.pdp-about__facts > div {
  background: #FFFFFF;
  padding: 0.85rem 1rem;
  min-width: 0;
}

.facts dt,
.pdp-about__facts dt {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5F6A65;
}

.facts dd,
.pdp-about__facts dd {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: #15201E;
  margin-top: 0.3rem;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.monograph-link,
.pdp-about__monograph {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #2E4B63;
  text-decoration: none;
  transition: color 0.15s ease;
}

.monograph-link:hover,
.pdp-about__monograph:hover {
  text-decoration: underline;
  color: #1E3A4E;
}

/* ═══════════════════════════════════════════
   ASSURANCE SIDEBAR
   ═══════════════════════════════════════════ */
.assurance,
.pdp-assure {
  position: relative;
  border: 1px solid #E6E6E9;
  border-radius: 14px;
  background: linear-gradient(180deg, #F2F5F9 0%, #FFFFFF 60%);
  box-shadow: 0 4px 12px -2px rgba(21, 32, 30, 0.08);
  padding: clamp(1.2rem, 2.2vw, 1.6rem);
}

.assurance-head,
.pdp-assure__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid #E6E6E9;
  margin-bottom: 0.9rem;
}

.assurance-head h3,
.pdp-assure__head h3 {
  font-size: 1.08rem;
  font-weight: 600;
  color: #15201E;
  letter-spacing: -0.01em;
}

.badge,
.pdp-assure__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: #1D7A4C;
  background: rgba(29, 122, 76, 0.1);
  border: 1px solid rgba(29, 122, 76, 0.25);
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  white-space: nowrap;
}

.pulse,
.pdp-assure__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1D7A4C;
  animation: pdp-pulse 2.2s ease-in-out infinite;
}

@keyframes pdp-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(29, 122, 76, 0.45);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(29, 122, 76, 0);
  }
}

.assurance-list,
.pdp-assure__list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.assurance-list li,
.pdp-assure__row {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.75rem;
  align-items: start;
}

.assurance-list svg,
.pdp-assure__row > svg {
  width: 20px;
  height: 20px;
  color: #2E4B63;
  margin-top: 1px;
  flex-shrink: 0;
}

.assurance-list div,
.pdp-assure__row div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.assurance-list b,
.pdp-assure__row b {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: #15201E;
  line-height: 1.25;
}

.assurance-list span,
.pdp-assure__row span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78125rem;
  color: #5F6A65;
  line-height: 1.5;
}

.coa-btn,
.pdp-assure__coa {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  margin-top: 1.1rem;
  padding: 0.8rem 1rem;
  border: 1px solid #3A5D7A;
  border-radius: 6px;
  background: #FFFFFF;
  color: #2E4B63;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.coa-btn:hover,
.pdp-assure__coa:hover {
  background: #F2F5F9;
  transform: translateY(-1px);
}

.coa-btn svg,
.pdp-assure__coa > svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: #3A5D7A;
}

.coa-btn span,
.pdp-assure__coa span {
  flex: 1;
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
}

.coa-btn svg:last-child,
.pdp-assure__coa .pdp-assure__go {
  margin-left: auto;
  width: 15px;
  height: 15px;
  color: #2E4B63;
}

.rating,
.pdp-assure__rating {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid #E6E6E9;
  font-size: 0.78125rem;
  color: #5F6A65;
}

.stars,
.pdp-assure__stars {
  display: inline-flex;
  gap: 1px;
  color: #E0831F;
  flex-shrink: 0;
}

.stars svg,
.pdp-assure__stars svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.rating b,
.pdp-assure__rating b {
  color: #15201E;
}

/* ═══════════════════════════════════════════
   RUO STRIP
   ═══════════════════════════════════════════ */
.ruo {
  background: #f9f9f9;
  padding: 3rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ruo-card {
  padding: clamp(1.2rem, 3vw, 2rem);
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-strong);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 760px;
}
.ruo-card b {
  font-size: 1rem;
  display: block;
  margin-bottom: 0.3rem;
  color: #000;
  font-family: var(--sans);
  text-align: center;
}
.ruo-card p {
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 503px;
  width: 100%;
  text-align: center;
  font-family: var(--sans);
  margin-top: 6.4px;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  background: radial-gradient(820px 400px at 84% 0%, rgba(126, 148, 188, 0.13), transparent 60%), linear-gradient(180deg, #0F1B2D 0%, #0A1320 100%);
  color: #fff;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.disclaimer {
  font-size: 0.80rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.6;
  max-width: 700px;
  width: 100%;
  text-align: center;
}
.disclaimer b {
  color: rgba(255, 255, 255, 0.6);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 940px) {
  .container {
    padding-inline: 1.25rem;
  }
  .footer {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
  }
  .nav {
    display: none;
  }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #fff;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 999;
  }
  .nav.open a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
    width: 100%;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .product-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
  .product-image {
    position: static;
    max-height: 380px;
    border-radius: 10px;
    overflow: hidden;
  }
  .product-image img {
    border-radius: 10px;
    transform: none
  }
  .about-section,
  .pdp-about {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
  .trust-row {
    gap: 1.2rem;
  }
}

@media (max-width: 640px) {
  .product-title {
    font-size: clamp(1.8rem, 5vw + 1rem, 2.4rem);
  }
  .price-row {
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .price {
    font-size: 1.6rem;
  }
  .passed-row {
    grid-template-columns: 1fr;
  }
  .trust-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    text-align: center;
  }
  .trust-item {
    font-size: 0.62rem;
  }
  .facts,
  .pdp-about__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 440px) {
  .facts,
  .pdp-about__facts {
    grid-template-columns: 1fr;
  }
  .chip {
    font-size: 0.68rem;
    padding: 0.35em 0.5em;
  }
  .ruo {
    padding: 2rem 0.75rem;
  }
}

/* ═══════════════════════════════════════════
   MOBILE STICKY BOTTOM BAR
   ═══════════════════════════════════════════ */
.pdp-sticky { display: none; }
@media (max-width: 940px) {
  .pdp-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-strong, #d7d7dc);
    box-shadow: 0 -8px 24px rgba(16, 39, 64, 0.09);
    padding: 0.55rem 0.9rem calc(0.4rem + env(safe-area-inset-bottom, 0px));
    transform: translateY(110%);
    transition: transform 0.32s cubic-bezier(0.22, 0.9, 0.3, 1);
    will-change: transform;
  }
  .pdp-sticky.is-on {
    transform: translateY(0);
  }
  .pdp-sticky__main {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    min-width: 0;
  }
  .pdp-sticky__meta {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
    min-width: 0;
    flex: 1;
  }
  .pdp-sticky__name {
    font-size: 0.72rem;
    font-weight: 600;
    color: #44535f;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .pdp-sticky__price {
    font-size: 0.98rem;
    font-weight: 700;
    color: #102740;
    line-height: 1.1;
    font-family: var(--mono);
  }
  .pdp-sticky__sizebtn {
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 0.36rem;
    height: 40px;
    padding: 0 0.5rem 0 0.28rem;
    border: 1px solid var(--border-strong, #cdd6dd);
    border-radius: 8px;
    background: #fff;
    color: #102740;
    font-family: var(--mono);
    font-size: 0.74rem;
    cursor: pointer;
    white-space: nowrap;
  }
  .pdp-sticky__sizebtn-img {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    object-fit: contain;
    background: #f4f7f9;
    border: 1px solid #eef2f5;
    flex: none;
  }
  .pdp-sticky__sizebtn svg {
    color: #7a8790;
    flex: none;
  }
  .pdp-sticky__qty {
    flex: none;
    display: inline-flex;
    align-items: center;
    height: 40px;
    border: 1px solid var(--border-strong, #cdd6dd);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }
  .pdp-sticky__qty button {
    width: 30px;
    height: 100%;
    border: 0;
    background: #f4f7f9;
    color: var(--accent, #3A5D7A);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    font-family: inherit;
  }
  .pdp-sticky__qty [data-sticky-qty] {
    min-width: 26px;
    text-align: center;
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: #102740;
  }
  .pdp-sticky__add {
    flex: none;
    height: 40px;
    padding: 0 1rem;
    border: 0;
    border-radius: 8px;
    background: var(--accent, #3A5D7A);
    color: #fff;
    font-weight: 600;
    font-size: 0.84rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(58, 93, 122, 0.25);
    transition: background 0.15s ease;
  }
  .pdp-sticky__add:active {
    background: var(--accent-dark, #2e4b63);
  }
  .pdp-sticky__trust {
    margin-top: 0.35rem;
    text-align: center;
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #7a8790;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* ═══════════════════════════════════════════
   VARIANT SHEET (MOBILE BOTTOM SHEET)
   ═══════════════════════════════════════════ */
.pdp-vsheet {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.pdp-vsheet.is-open {
  visibility: visible;
  opacity: 1;
}

.pdp-vsheet__scrim {
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 45, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.pdp-vsheet__panel {
  position: relative;
  width: 100%;
  background: #ffffff;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  padding: 0.75rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.15);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 80vh;
  overflow-y: auto;
}

.pdp-vsheet.is-open .pdp-vsheet__panel {
  transform: translateY(0);
}

.pdp-vsheet__grab {
  width: 36px;
  height: 4px;
  background: #d1d5db;
  border-radius: 999px;
  margin: 0 auto 0.75rem auto;
}

.pdp-vsheet__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
}

.pdp-vsheet__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #15201E;
}

.pdp-vsheet__sub {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #5F6A65;
}

.pdp-vsheet__opts {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pdp-vsheet__opt {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  padding: 0.75rem 0.85rem;
  background: #ffffff;
  border: 1px solid #d7d7dc;
  border-radius: 12px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.pdp-vsheet__opt:hover {
  border-color: #3A5D7A;
}

.pdp-vsheet__opt[aria-selected="true"] {
  border-color: #3A5D7A;
  background: #F2F5F9;
}

.pdp-vsheet__imgwrap {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #f4f7f9;
  border: 1px solid #eef2f5;
  overflow: hidden;
  flex-shrink: 0;
}

.pdp-vsheet__imgwrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pdp-vsheet__lbl {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pdp-vsheet__lbl b {
  font-size: 0.98rem;
  font-weight: 600;
  color: #15201E;
}

.pdp-vsheet__permg {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #5F6A65;
}

.pdp-vsheet__price {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: #2E4B63;
}

.pdp-vsheet__check {
  color: #3A5D7A;
  opacity: 0;
  transition: opacity 0.15s ease;
  flex-shrink: 0;
}

.pdp-vsheet__opt[aria-selected="true"] .pdp-vsheet__check {
  opacity: 1;
}

/* ── COA Modal ── */
.coa-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.coa-modal-backdrop.is-open {
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
}

body.coa-modal-open {
  overflow: hidden !important;
}

.coa-modal {
  background: #ffffff;
  border-radius: 16px;
  width: 100%;
  max-width: 1000px;
  height: 90vh;
  max-height: 880px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transform: scale(0.96) translateY(8px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.coa-modal-backdrop.is-open .coa-modal {
  transform: scale(1) translateY(0);
}

.coa-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  gap: 16px;
  flex-shrink: 0;
}

.coa-modal__header-left {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.coa-modal__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #2e4b63;
  text-transform: uppercase;
}

.coa-modal__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #1D7A4C;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

.coa-modal__title {
  font-family: var(--sans);
  font-size: 1.05rem;
  color: #15201E;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coa-modal__header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.coa-modal__download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.coa-modal__download-btn:hover {
  background: #f9fafb;
  border-color: #9ca3af;
  color: #111827;
}

.coa-modal__download-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.coa-modal__close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.15s ease;
}

.coa-modal__close-btn:hover {
  background: #f3f4f6;
  color: #111827;
}

.coa-modal__close-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

.coa-modal__body {
  flex: 1;
  background: #525659;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.coa-modal__iframe,
.coa-modal__object,
.coa-modal__embed {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  flex: 1;
}

@media (max-width: 640px) {
  .coa-modal-backdrop {
    padding: 8px;
  }
  .coa-modal {
    height: 94vh;
    border-radius: 12px;
  }
  .coa-modal__header {
    padding: 12px 14px;
    gap: 8px;
  }
  .coa-modal__title {
    font-size: 0.95rem;
    white-space: normal;
  }
  .coa-modal__download-btn {
    padding: 6px 10px;
    font-size: 0.78rem;
  }
}