@font-face {
  font-family: "Montserrat";
  src: url("./fonts/Montserrat-wght.ttf") format("truetype");
  font-weight: 100 900;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/Inter-VariableFont_slnt,wght.ttf") format("truetype");
  font-weight: 100 900;
}

@font-face {
  font-family: "Source Han Sans SC";
  src: url("./fonts/SourceHanSansSC-VF.otf") format("opentype");
  font-weight: 100 900;
}

:root {
  --deep: #003a5d;
  --ink: #183443;
  --blue: #00b3ff;
  --tide: #007cc7;
  --mist: #eaf8ff;
  --paper: #f5f8fa;
  --line: #d8e2e8;
  --muted: #667782;
  --orange: #ff7a00;
  --white: #ffffff;
  --guide-font: "Inter", "Source Han Sans SC", sans-serif;
  --display-font: "Montserrat", "Source Han Sans SC", sans-serif;
  --mono-font: "SFMono-Regular", "Roboto Mono", ui-monospace, monospace;
  --glass-light: rgba(255, 255, 255, 0.64);
  --glass-light-strong: rgba(255, 255, 255, 0.78);
  --glass-deep: rgba(0, 58, 93, 0.76);
  --glass-border: rgba(255, 255, 255, 0.72);
  --glass-border-deep: rgba(191, 239, 255, 0.4);
  --glass-shadow-lg: 0 26px 64px rgba(0, 58, 93, 0.18);
  --glass-shadow-sm: 0 12px 32px rgba(0, 58, 93, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #edf3f6;
  font-family: var(--guide-font);
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  max-width: 100%;
}

.app-shell {
  min-height: 100vh;
}

.side-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  display: flex;
  width: 280px;
  flex-direction: column;
  padding: 28px 20px 20px;
  border-right: 1px solid rgba(0, 58, 93, 0.12);
  background: rgba(247, 250, 252, 0.82);
  box-shadow: 14px 0 32px rgba(34, 63, 78, 0.08);
  backdrop-filter: blur(24px) saturate(138%);
  -webkit-backdrop-filter: blur(24px) saturate(138%);
}

.brand-lockup {
  padding: 0 10px 28px;
  border-bottom: 1px solid var(--line);
}

.brand-lockup img {
  width: 122px;
  height: 30px;
  object-fit: contain;
  object-position: left center;
}

.brand-lockup span,
.nav-label,
.eyebrow,
.section-index,
.simulation-label span,
.spec-workbench figcaption,
.spec-rule span {
  font-size: 12px;
  font-weight: 700;
  line-height: 16px;
  color: var(--muted);
}

.brand-lockup span {
  display: block;
  margin-top: 8px;
}

.chapter-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 24px;
  padding: 28px 0;
  overflow-y: auto;
}

.nav-group {
  display: grid;
  gap: 6px;
}

.nav-label {
  padding: 0 10px 4px;
}

.nav-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 42px;
  padding: 9px 10px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 0 7px 7px 0;
  color: #52636e;
  background: transparent;
  font-size: 15px;
  line-height: 22px;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.nav-item span {
  color: #82909a;
  font-family: "Montserrat", sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.nav-item:hover {
  color: var(--deep);
  background: rgba(0, 179, 255, 0.07);
}

.nav-item.is-active {
  color: var(--deep);
  border-left-color: var(--blue);
  background: rgba(234, 248, 255, 0.94);
  font-weight: 650;
}

.nav-item.is-active span {
  color: var(--tide);
}

.rail-status {
  display: grid;
  gap: 5px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 8px 24px rgba(34, 63, 78, 0.08), inset 0 1px rgba(255, 255, 255, 0.92);
}

.rail-status span,
.rail-status small {
  font-size: 12px;
  line-height: 18px;
  color: var(--muted);
}

.rail-status strong {
  font-family: var(--display-font);
  font-size: 17px;
  color: var(--deep);
}

.workspace {
  min-width: 0;
  min-height: 100vh;
  margin-left: 280px;
}

.workspace-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 36px;
  border-bottom: 1px solid rgba(0, 58, 93, 0.1);
  background: rgba(245, 248, 250, 0.78);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
}

.workspace-bar > div:first-child {
  display: grid;
  gap: 3px;
}

.workspace-bar strong {
  font-family: var(--display-font);
  font-size: 22px;
  font-weight: 650;
  color: var(--deep);
}

.release-state {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  line-height: 16px;
}

.release-state i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1a9b5f;
  box-shadow: 0 0 0 4px rgba(26, 155, 95, 0.12);
}

.release-state span {
  color: #287a57;
  font-weight: 700;
}

.release-state b {
  padding: 5px 8px;
  border-radius: 4px;
  color: #8d4a10;
  background: #fff0df;
}

.view {
  display: none;
  min-height: calc(100vh - 76px);
}

.view.is-active {
  display: block;
}

.guide-page {
  width: min(1440px, 100%);
  margin: 0 auto;
  background: var(--white);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
}

.col-1-4 { grid-column: 1 / span 4; }
.col-1-7 { grid-column: 1 / span 7; }
.col-5-12 { grid-column: 5 / span 8; }
.col-8-12 { grid-column: 8 / span 5; }

.guide-hero {
  min-height: 620px;
  align-items: end;
  padding: 88px 72px 72px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.99) 0%, rgba(255,255,255,0.95) 48%, rgba(234,248,255,0.6) 100%),
    url("./assets/upload/aplus/SW_A01P_PREMIUM_HERO_1464x600.jpg") center / cover no-repeat;
}

.hero-copy {
  padding-bottom: 14px;
}

.hero-copy h1,
.spec-header h1 {
  margin: 22px 0 24px;
  font-family: var(--display-font);
  font-size: 48px;
  font-weight: 650;
  line-height: 1.16;
  color: var(--deep);
}

.hero-copy p,
.spec-header p {
  max-width: 640px;
  margin: 0;
  font-size: 18px;
  line-height: 30px;
  color: #49606d;
}

.glass-panel {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  background: rgba(247, 251, 253, 0.68);
  box-shadow: 0 18px 48px rgba(20, 63, 82, 0.13), inset 0 1px rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
}

.hero-proof dl {
  display: grid;
  margin: 0;
}

.hero-proof dl div {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 58, 93, 0.12);
}

.hero-proof dl div:last-child {
  border-bottom: 0;
}

.hero-proof dt {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.hero-proof dd {
  margin: 0;
  font-family: var(--display-font);
  font-size: 17px;
  font-weight: 650;
  color: var(--deep);
}

.overview-band,
.token-band {
  padding: 88px 72px;
  border-top: 1px solid var(--line);
}

.section-heading h2,
.inline-heading h2 {
  margin: 12px 0 0;
  font-family: var(--display-font);
  font-size: 32px;
  font-weight: 650;
  line-height: 40px;
  color: var(--deep);
}

.gate-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.gate-list article {
  padding-top: 16px;
  border-top: 2px solid var(--deep);
}

.gate-list b {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--tide);
  font-family: var(--display-font);
  font-size: 12px;
}

.gate-list h3 {
  margin: 22px 0 10px;
  font-family: var(--display-font);
  font-size: 20px;
  color: var(--deep);
}

.gate-list p {
  margin: 0;
  font-size: 16px;
  line-height: 26px;
  color: var(--muted);
}

.asset-review-band {
  padding: 72px;
  background: var(--paper);
}

.inline-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 32px;
}

.inline-heading a {
  color: var(--tide);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.contact-sheet {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.token-table {
  border-top: 2px solid var(--deep);
}

.token-row {
  display: grid;
  grid-template-columns: 1.1fr 1.7fr 1fr;
  gap: 16px;
  align-items: center;
  min-height: 68px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 24px;
}

.token-row strong {
  color: var(--deep);
}

.token-row b {
  color: var(--tide);
  text-align: right;
}

/* Image-by-image specification */
.specs-page {
  min-height: calc(100vh - 76px);
  padding: 54px 56px 64px;
}

.spec-header {
  display: grid;
  grid-template-columns: minmax(380px, 0.8fr) minmax(520px, 1.2fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 36px;
}

.spec-header h1 {
  margin-bottom: 0;
  font-size: 40px;
  line-height: 48px;
}

.spec-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.spec-filter button {
  min-width: 56px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #cdd9e0;
  border-radius: 5px;
  color: #52636e;
  background: var(--white);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.spec-filter button:hover,
.spec-filter button.is-active {
  color: var(--white);
  border-color: var(--tide);
  background: var(--tide);
}

.spec-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 24px;
  align-items: start;
}

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

.spec-previews figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: var(--white);
}

.image-stage {
  display: flex;
  min-height: 620px;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: #f1f5f7;
}

.checker {
  background-image:
    linear-gradient(45deg, #e6edf1 25%, transparent 25%),
    linear-gradient(-45deg, #e6edf1 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e6edf1 75%),
    linear-gradient(-45deg, transparent 75%, #e6edf1 75%);
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
}

.image-stage img {
  width: 100%;
  max-height: 680px;
  object-fit: contain;
  box-shadow: 0 14px 32px rgba(24, 52, 67, 0.16);
}

.spec-workbench figcaption {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
}

.spec-workbench figcaption a {
  color: var(--tide);
  text-decoration: none;
}

.spec-inspector {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 116px);
  overflow-x: hidden;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  background: rgba(249, 252, 253, 0.82);
  box-shadow: 0 16px 42px rgba(26, 60, 78, 0.12);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
}

.spec-title {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 16px;
  padding: 24px;
  color: var(--white);
  background: var(--deep);
}

.spec-title > span {
  display: flex;
  width: 62px;
  height: 62px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: 6px;
  font-family: var(--display-font);
  font-size: 19px;
  font-weight: 700;
}

.spec-title h2 {
  margin: 2px 0 4px;
  font-family: var(--display-font);
  font-size: 22px;
  line-height: 28px;
}

.spec-title p {
  margin: 0;
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  line-height: 20px;
}

.spec-metrics {
  margin: 0;
  padding: 8px 24px;
}

.spec-metrics > div {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(0, 58, 93, 0.1);
}

.spec-metrics dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 18px;
}

.spec-metrics dd {
  margin: 0;
  color: var(--deep);
  font-size: 15px;
  font-weight: 600;
  line-height: 22px;
}

.spec-rule {
  padding: 20px 24px 24px;
  background: #fff3e7;
}

.spec-rule span {
  color: #9b5319;
}

.spec-rule p {
  margin: 5px 0 0;
  color: #704522;
  font-size: 14px;
  line-height: 22px;
}

.spec-type-demo {
  margin: 20px 24px 8px;
  padding: 22px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: rgba(234, 248, 255, 0.68);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.type-demo-kicker {
  display: block;
  color: var(--tide);
  font-family: var(--display-font);
  font-size: 12px;
  font-weight: 700;
  line-height: 16px;
}

.spec-type-demo > strong {
  display: block;
  margin-top: 10px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 26px;
  font-weight: 700;
  line-height: 32px;
}

.spec-type-demo > p {
  margin: 10px 0 16px;
  color: #415c6b;
  font-size: 16px;
  line-height: 24px;
}

.spec-type-demo dl {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.spec-type-demo dl div {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: baseline;
}

.spec-type-demo dt {
  color: var(--tide);
  font-family: var(--display-font);
  font-size: 12px;
  font-weight: 700;
}

.spec-type-demo dd {
  margin: 0;
  color: var(--deep);
  font-size: 13px;
  font-weight: 650;
  line-height: 18px;
}

/* Shared commerce simulation shell */
.commerce-view {
  padding: 28px;
  overflow-x: auto;
  background: #dfe8ed;
}

.simulation-label {
  display: flex;
  width: min(1440px, 100%);
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto 14px;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,0.82);
  border-radius: 7px;
  background: rgba(255,255,255,0.62);
  box-shadow: 0 8px 22px rgba(39, 66, 80, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.simulation-label strong {
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 650;
}

/* Amazon desktop */
.amazon-desktop {
  width: 1440px;
  margin: 0 auto;
  color: #0f1111;
  background: #fff;
  font-family: Arial, sans-serif;
  box-shadow: 0 18px 50px rgba(20, 43, 55, 0.2);
}

.amz-topbar {
  display: grid;
  grid-template-columns: 126px 112px minmax(360px, 1fr) 122px 82px 76px;
  gap: 12px;
  min-height: 60px;
  align-items: center;
  padding: 8px 18px;
  color: white;
  background: #131921;
}

.amz-wordmark {
  font-size: 26px;
  font-weight: 700;
}

.amz-wordmark span {
  margin-left: 4px;
  color: #ff9900;
  font-size: 12px;
}

.amz-topbar small {
  display: block;
  color: #d6d6d6;
  font-size: 12px;
}

.amz-topbar b {
  font-size: 13px;
}

.amz-search {
  display: grid;
  grid-template-columns: 54px 1fr 48px;
  height: 40px;
  overflow: hidden;
  border-radius: 4px;
  background: white;
}

.amz-search select {
  border: 0;
  border-right: 1px solid #c8c8c8;
  color: #555;
  background: #e6e6e6;
  font-size: 12px;
}

.amz-search input {
  min-width: 0;
  padding: 0 12px;
  border: 0;
  color: #222;
  font-size: 14px;
}

.amz-search button {
  border: 0;
  color: #111;
  background: #febd69;
  font-size: 25px;
}

.amz-cart {
  position: relative;
  font-size: 14px;
  font-weight: 700;
}

.amz-cart b {
  position: absolute;
  top: -11px;
  left: 9px;
  color: #f08804;
}

.amz-subnav {
  display: flex;
  min-height: 40px;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  color: white;
  background: #232f3e;
  font-size: 13px;
}

.amz-breadcrumb {
  padding: 14px 24px 4px;
  color: #565959;
  font-size: 12px;
}

.amz-product-grid {
  display: grid;
  grid-template-columns: 64px 580px minmax(330px, 1fr) 242px;
  gap: 20px;
  align-items: start;
  padding: 18px 24px 42px;
}

.amz-thumbs {
  display: grid;
  gap: 10px;
}

.amz-thumbs button {
  width: 58px;
  height: 58px;
  padding: 2px;
  overflow: hidden;
  border: 1px solid #a2a6ac;
  border-radius: 4px;
  background: white;
  cursor: pointer;
}

.amz-thumbs button:hover,
.amz-thumbs button.is-active {
  border: 2px solid #007185;
  box-shadow: 0 0 0 2px rgba(0,113,133,0.15);
}

.amz-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.amz-main {
  position: sticky;
  top: 96px;
  text-align: center;
}

.amz-main img {
  width: 580px;
  height: 580px;
  object-fit: contain;
  background: white;
}

.amz-main span {
  color: #565959;
  font-size: 12px;
}

.amz-detail-copy h1 {
  margin: 0 0 6px;
  font-size: 23px;
  font-weight: 400;
  line-height: 31px;
}

.amz-detail-copy a,
.amz-rating a {
  color: #007185;
  font-size: 13px;
  text-decoration: none;
}

.amz-rating {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 8px 0;
  font-size: 13px;
}

.amz-rating span {
  color: #de7921;
  font-size: 18px;
}

.amz-divider {
  height: 1px;
  margin: 10px 0 12px;
  background: #e7e7e7;
}

.amz-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.amz-price small,
.amz-price span {
  color: #565959;
  font-size: 12px;
}

.amz-price strong {
  font-size: 28px;
  font-weight: 400;
}

.amz-note {
  padding: 10px;
  border-left: 3px solid #ff9900;
  color: #4b5459;
  background: #fafafa;
  font-size: 12px;
  line-height: 18px;
}

.amz-variation,
.amz-size {
  margin-top: 18px;
}

.amz-variation > b,
.amz-size > b {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
}

.amz-variation b span,
.amz-size b span {
  font-weight: 400;
}

.swatch {
  width: 64px;
  height: 64px;
  padding: 2px;
  border: 2px solid #007185;
  border-radius: 3px;
  background: white;
}

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

.amz-size > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.amz-size button {
  min-width: 54px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid #888c8c;
  border-radius: 7px;
  background: white;
  font-size: 12px;
}

.amz-detail-copy h3 {
  margin: 22px 0 8px;
  font-size: 16px;
}

.amz-detail-copy ul {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 21px;
}

.amz-buybox {
  padding: 16px 18px;
  border: 1px solid #d5d9d9;
  border-radius: 8px;
  font-size: 13px;
}

.amz-buybox > span {
  display: block;
  margin-top: 4px;
  color: #565959;
  font-size: 12px;
}

.buy-price {
  display: block;
  font-size: 23px;
  font-weight: 400;
}

.amz-buybox p {
  line-height: 19px;
}

.amz-buybox .stock {
  color: #b12704;
  font-size: 17px;
}

.amz-buybox label {
  display: grid;
  gap: 5px;
  margin: 12px 0;
  font-weight: 700;
}

.amz-buybox select {
  height: 34px;
  border: 1px solid #d5d9d9;
  border-radius: 7px;
  background: #f0f2f2;
}

.cart-button,
.buy-button {
  width: 100%;
  height: 34px;
  margin-bottom: 8px;
  border: 0;
  border-radius: 17px;
  color: #111;
  font-size: 13px;
}

.cart-button { background: #ffd814; }
.buy-button { background: #ffa41c; }

.amz-buybox dl {
  margin: 12px 0 0;
}

.amz-buybox dl div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 6px;
  padding: 3px 0;
  font-size: 12px;
}

.amz-buybox dt { color: #565959; }
.amz-buybox dd { margin: 0; color: #007185; }

.amz-a-plus-preview {
  padding: 34px 48px 64px;
  border-top: 1px solid #ddd;
}

.amz-a-plus-preview h2 {
  font-size: 24px;
}

.amz-aplus-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.amz-aplus-hero img {
  width: 100%;
  aspect-ratio: 1464 / 600;
  object-fit: cover;
}

.amz-aplus-hero > div {
  position: absolute;
  top: 50%;
  left: 5%;
  width: 37%;
  transform: translateY(-50%);
}

.amz-aplus-hero span {
  color: #003a5d;
  font-size: 11px;
  font-weight: 700;
}

.amz-aplus-hero h3 {
  margin: 12px 0;
  color: #003a5d;
  font-size: 32px;
  line-height: 38px;
}

.amz-aplus-hero p {
  width: 88%;
  color: #2f4d5e;
  font-size: 15px;
  line-height: 22px;
}

/* Amazon mobile */
.mobile-simulation-view {
  min-height: calc(100vh - 76px);
}

.phone-frame {
  width: 420px;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.88);
  border-radius: 32px;
  background: rgba(250,252,253,0.7);
  box-shadow: 0 22px 60px rgba(20,43,55,0.2);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.amazon-mobile {
  width: 390px;
  min-height: 844px;
  overflow: hidden;
  border-radius: 22px;
  color: #0f1111;
  background: white;
  font-family: Arial, sans-serif;
}

.mobile-amz-top {
  display: flex;
  height: 52px;
  align-items: center;
  gap: 14px;
  padding: 0 14px;
  color: white;
  background: #131921;
}

.mobile-amz-top button {
  padding: 0;
  border: 0;
  color: white;
  background: transparent;
  font-size: 20px;
}

.mobile-amz-top b {
  flex: 1;
  font-size: 20px;
}

.mobile-amz-top span {
  font-size: 13px;
}

.mobile-search {
  display: grid;
  grid-template-columns: 1fr 44px;
  height: 48px;
  padding: 6px 10px;
  background: #232f3e;
}

.mobile-search input {
  min-width: 0;
  padding: 0 12px;
  border: 0;
  border-radius: 7px 0 0 7px;
  font-size: 16px;
}

.mobile-search button {
  border: 0;
  border-radius: 0 7px 7px 0;
  background: #febd69;
  font-size: 21px;
}

.mobile-deliver {
  padding: 10px 14px;
  color: white;
  background: #37475a;
  font-size: 14px;
}

.mobile-product {
  padding: 14px;
}

.mobile-product > a {
  color: #007185;
  font-size: 12px;
  text-decoration: none;
}

.mobile-product h1 {
  margin: 8px 0;
  font-size: 17px;
  font-weight: 400;
  line-height: 23px;
}

.mobile-rating {
  display: flex;
  justify-content: space-between;
  color: #565959;
  font-size: 12px;
}

.mobile-rating b {
  color: #de7921;
}

.mobile-gallery {
  position: relative;
  margin: 12px 0 2px;
}

.mobile-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.mobile-gallery span {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 5px 8px;
  border-radius: 12px;
  color: white;
  background: rgba(15,17,17,0.7);
  font-size: 11px;
}

.mobile-dots {
  display: flex;
  height: 24px;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.mobile-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #a7b0b5;
}

.mobile-dots button.is-active {
  background: #007185;
}

.mobile-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid #eee;
}

.mobile-price small { color: #565959; }
.mobile-price strong { font-size: 26px; font-weight: 400; }

.mobile-choice {
  display: grid;
  grid-template-columns: 1fr 58px;
  gap: 10px;
  align-items: center;
  font-size: 13px;
}

.mobile-choice img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border: 2px solid #007185;
  border-radius: 4px;
}

.mobile-select {
  display: grid;
  gap: 5px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 700;
}

.mobile-select select {
  height: 42px;
  padding: 0 10px;
  border: 1px solid #8d9096;
  border-radius: 8px;
  background: #f0f2f2;
}

.mobile-stock {
  color: #b12704;
  font-size: 16px;
}

.mobile-cart,
.mobile-buy {
  width: 100%;
  height: 44px;
  margin-bottom: 10px;
  border: 0;
  border-radius: 22px;
}

.mobile-cart { background: #ffd814; }
.mobile-buy { background: #ffa41c; }

.mobile-about,
.mobile-aplus {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid #ddd;
}

.mobile-about h2,
.mobile-aplus h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.mobile-about ul {
  padding-left: 20px;
  font-size: 13px;
  line-height: 20px;
}

.mobile-aplus img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.mobile-aplus > span {
  display: block;
  margin-top: 14px;
  color: #007cc7;
  font-size: 10px;
  font-weight: 700;
}

.mobile-aplus h3 {
  margin: 8px 0;
  color: #003a5d;
  font-size: 22px;
  line-height: 28px;
}

.mobile-aplus p {
  margin: 0 0 30px;
  color: #52636e;
  font-size: 13px;
  line-height: 20px;
}

/* Basic A+ */
.basic-aplus {
  width: 970px;
  margin: 0 auto;
  color: #1f2f38;
  background: white;
  box-shadow: 0 18px 50px rgba(20,43,55,0.18);
  font-family: Arial, sans-serif;
}

.basic-overlay {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.basic-overlay img {
  width: 970px;
  height: 300px;
  object-fit: cover;
}

.basic-overlay > div {
  position: absolute;
  top: 50%;
  left: 40px;
  width: 390px;
  transform: translateY(-50%);
}

.basic-overlay span,
.basic-split span,
.premium-aplus section > div > span,
.premium-aplus header span,
.premium-hero span,
.premium-close span {
  color: #007cc7;
  font-size: 13px;
  font-weight: 700;
}

.basic-overlay h1 {
  margin: 12px 0 10px;
  color: #003a5d;
  font-size: 31px;
  line-height: 37px;
}

.basic-overlay p {
  width: 330px;
  margin: 0;
  color: #385263;
  font-size: 14px;
  line-height: 21px;
}

.basic-intro {
  padding: 48px 92px;
  text-align: center;
}

.basic-intro h2,
.basic-comparison h2 {
  margin: 0 0 14px;
  color: #003a5d;
  font-size: 27px;
  line-height: 34px;
}

.basic-intro p {
  margin: 0;
  color: #52636e;
  font-size: 15px;
  line-height: 24px;
}

.basic-three {
  display: grid;
  grid-template-columns: repeat(3, 300px);
  gap: 20px;
  padding: 0 15px 54px;
}

.basic-three article {
  text-align: center;
}

.basic-three img {
  width: 300px;
  height: 300px;
  object-fit: cover;
}

.basic-three h3 {
  margin: 16px 0 7px;
  color: #003a5d;
  font-size: 19px;
}

.basic-three p {
  margin: 0 auto;
  width: 88%;
  color: #5d6c75;
  font-size: 13px;
  line-height: 20px;
}

.basic-split {
  display: grid;
  grid-template-columns: 520px 1fr;
  min-height: 510px;
  align-items: center;
  background: #f5f8fa;
}

.basic-split > img {
  width: 520px;
  height: 510px;
  object-fit: cover;
}

.basic-split > div {
  padding: 42px;
}

.basic-split h2 {
  margin: 12px 0;
  color: #003a5d;
  font-size: 27px;
  line-height: 34px;
}

.basic-split p {
  color: #52636e;
  font-size: 14px;
  line-height: 22px;
}

.basic-split dl {
  margin-top: 26px;
  border-top: 1px solid #d8e2e8;
}

.basic-split dl div {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid #d8e2e8;
  font-size: 12px;
}

.basic-split dt { color: #007cc7; font-weight: 700; }
.basic-split dd { margin: 0; }

.basic-comparison {
  padding: 52px 64px 64px;
}

.comparison-table {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 30px;
  align-items: center;
  margin-top: 28px;
  border-top: 1px solid #d8e2e8;
}

.compare-product {
  text-align: center;
}

.compare-product img {
  width: 180px;
  height: 180px;
  margin: 0 auto;
  object-fit: contain;
}

.compare-product b {
  color: #003a5d;
  font-size: 14px;
}

.comparison-table dl {
  margin: 0;
}

.comparison-table dl div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid #d8e2e8;
  font-size: 13px;
}

.comparison-table dt { font-weight: 700; }
.comparison-table dd { margin: 0; color: #52636e; }

/* Premium A+ */
.premium-aplus {
  width: 1464px;
  margin: 0 auto;
  color: #183443;
  background: white;
  box-shadow: 0 18px 50px rgba(20,43,55,0.18);
  font-family: var(--guide-font);
}

.premium-hero {
  position: relative;
  height: 600px;
  overflow: hidden;
}

.premium-hero > img {
  width: 1464px;
  height: 600px;
  object-fit: cover;
}

.premium-hero > div {
  position: absolute;
  top: 50%;
  left: 72px;
  width: 500px;
  transform: translateY(-50%);
}

.premium-hero h1 {
  margin: 18px 0 18px;
  color: #003a5d;
  font-family: var(--display-font);
  font-size: 54px;
  font-weight: 650;
  line-height: 62px;
}

.premium-hero p {
  width: 430px;
  margin: 0;
  color: #294959;
  font-size: 17px;
  line-height: 27px;
}

.premium-proof {
  padding: 86px 72px 92px;
}

.premium-proof header,
.premium-mobile-pair header {
  margin-bottom: 36px;
}

.premium-proof h2,
.premium-mobile-pair h2 {
  margin: 12px 0 0;
  color: #003a5d;
  font-family: var(--display-font);
  font-size: 38px;
  font-weight: 650;
  line-height: 46px;
}

.premium-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.premium-three article {
  display: grid;
  grid-template-columns: 200px 1fr;
  grid-template-rows: auto 1fr;
  column-gap: 20px;
  align-items: start;
}

.premium-three img {
  grid-row: 1 / span 2;
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.premium-three h3 {
  margin: 14px 0 8px;
  color: #003a5d;
  font-family: var(--display-font);
  font-size: 19px;
}

.premium-three p {
  margin: 0;
  color: #5a6b75;
  font-size: 13px;
  line-height: 20px;
}

.premium-specimen {
  display: grid;
  grid-template-columns: 58% 42%;
  align-items: center;
  min-height: 650px;
  background: #f5f8fa;
}

.specimen-image {
  height: 650px;
}

.specimen-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: white;
}

.premium-specimen > div:last-child {
  padding: 72px;
}

.premium-specimen h2,
.premium-banner h2 {
  margin: 14px 0;
  color: #003a5d;
  font-family: var(--display-font);
  font-size: 40px;
  font-weight: 650;
  line-height: 48px;
}

.premium-specimen p,
.premium-banner p {
  color: #52636e;
  font-size: 16px;
  line-height: 26px;
}

.premium-specimen ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  margin: 28px 0 0;
  padding: 22px 0 0 18px;
  border-top: 1px solid #d8e2e8;
  color: #003a5d;
  font-size: 13px;
}

.premium-banner {
  display: grid;
  grid-template-columns: 58% 42%;
  min-height: 600px;
  align-items: center;
}

.premium-banner > img {
  width: 100%;
  height: 600px;
  object-fit: cover;
}

.premium-banner > div {
  padding: 72px;
}

.premium-mobile-pair {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr;
  gap: 24px;
  padding: 86px 72px;
  background: #eaf8ff;
}

.premium-mobile-pair header {
  grid-column: 1 / -1;
}

.premium-mobile-pair figure {
  margin: 0;
  background: white;
}

.premium-mobile-pair figure img {
  width: 100%;
  aspect-ratio: 1464 / 600;
  object-fit: cover;
}

.premium-mobile-pair figure:nth-of-type(2) img {
  aspect-ratio: 4 / 3;
}

.premium-mobile-pair figcaption {
  display: grid;
  gap: 5px;
  padding: 16px;
  font-size: 12px;
}

.premium-mobile-pair figcaption b { color: #003a5d; }
.premium-mobile-pair figcaption span { color: #667782; }

.premium-close {
  padding: 98px 72px;
  color: white;
  background: #003a5d;
  text-align: center;
}

.premium-close span {
  color: #71d5ff;
  font-size: 20px;
}

.premium-close h2 {
  margin: 16px 0 10px;
  font-family: var(--display-font);
  font-size: 48px;
  line-height: 56px;
}

.premium-close p {
  margin: 0;
  color: #c9ecfa;
  font-size: 15px;
}

/* V4: platform chrome stays native; brand-controlled information uses functional glass. */
.glass-light,
.brand-glass,
.proof-glass,
.glass-chip,
.mobile-glass,
.basic-glass,
.premium-glass,
.premium-card-glass {
  border: 1px solid var(--glass-border);
  background: var(--glass-light);
  box-shadow: var(--glass-shadow-lg), inset 0 1px rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
}

.glass-deep {
  border: 1px solid var(--glass-border-deep);
  color: #ffffff;
  background: var(--glass-deep);
  box-shadow: var(--glass-shadow-lg), inset 0 1px rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(22px) saturate(135%);
  -webkit-backdrop-filter: blur(22px) saturate(135%);
}

.brand-glass {
  padding: 40px;
  border-radius: 20px;
  color: var(--deep);
}

.brand-glass > span,
.proof-glass > span,
.mobile-glass > span,
.basic-module-index,
.premium-reassurance header > span,
.mobile-screen-index,
.screen-counter {
  color: var(--tide);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.brand-glass h2 {
  margin: 16px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 44px;
  font-weight: 700;
  line-height: 52px;
}

.brand-glass p {
  margin: 0;
  color: #39566a;
  font-size: 18px;
  line-height: 30px;
}

.brand-glass > b {
  display: block;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 58, 93, 0.16);
  color: #5d7380;
  font-size: 13px;
  line-height: 20px;
}

.glass-deep h2,
.glass-deep p,
.glass-deep > span {
  color: #ffffff;
}

/* Desktop PDP: one platform decision screen followed by six brand screens. */
.desktop-screen {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  border-top: 1px solid #e4e8ea;
}

.desktop-screen-product {
  min-height: 820px;
  padding-top: 40px;
}

.screen-counter {
  position: absolute;
  top: 18px;
  left: 24px;
  z-index: 2;
}

.desktop-screen-product .amz-product-grid {
  padding-top: 42px;
}

.amz-detail-copy h1 {
  font-size: 26px;
  line-height: 34px;
}

.amz-detail-copy a,
.amz-rating a,
.amz-rating,
.amz-detail-copy ul {
  font-size: 15px;
}

.amz-detail-copy ul {
  line-height: 24px;
}

.amz-note {
  font-size: 14px;
  line-height: 22px;
}

.amz-buybox {
  font-size: 14px;
}

.desktop-hero-screen {
  height: 760px;
}

.desktop-hero-screen > img,
.desktop-close-screen > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.desktop-hero-screen > .brand-glass,
.desktop-close-screen > .brand-glass {
  position: absolute;
  top: 50%;
  left: 72px;
  width: 540px;
  transform: translateY(-50%);
}

.desktop-proof-screen,
.desktop-fit-screen {
  padding: 92px 72px;
  background: #ffffff;
}

.story-heading {
  max-width: 820px;
}

.story-heading > span {
  color: var(--tide);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.story-heading h2 {
  margin: 16px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 46px;
  font-weight: 700;
  line-height: 56px;
}

.story-heading p {
  margin: 0;
  color: #52636e;
  font-size: 18px;
  line-height: 30px;
}

.story-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.story-proof-grid article {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: 16px;
}

.story-proof-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.proof-glass {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  padding: 24px;
  border-radius: 16px;
}

.proof-glass h3 {
  margin: 8px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 22px;
  line-height: 28px;
}

.proof-glass p {
  margin: 0;
  color: #405a69;
  font-size: 16px;
  line-height: 24px;
}

.desktop-truth-screen {
  display: grid;
  min-height: 820px;
  grid-template-columns: 58% 42%;
  align-items: center;
  background: linear-gradient(135deg, #eaf8ff 0%, #f5f8fa 72%);
}

.truth-image,
.truth-image img {
  width: 100%;
  height: 820px;
}

.truth-image img {
  object-fit: cover;
}

.truth-copy {
  width: auto;
  margin: 56px;
}

.truth-copy dl {
  margin: 28px 0 0;
  border-top: 1px solid rgba(0, 58, 93, 0.16);
}

.truth-copy dl div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 58, 93, 0.16);
  font-size: 15px;
  line-height: 22px;
}

.truth-copy dt {
  color: var(--tide);
  font-weight: 700;
}

.truth-copy dd {
  margin: 0;
}

.desktop-fit-screen {
  min-height: 920px;
}

.fit-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 44px;
}

.fit-pair figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
}

.fit-pair img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.glass-chip {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-radius: 12px;
}

.glass-chip b {
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 20px;
  line-height: 26px;
}

.glass-chip span {
  color: #526b79;
  font-size: 14px;
  line-height: 20px;
}

.desktop-scenario-screen {
  display: grid;
  min-height: 840px;
  grid-template-columns: 58% 42%;
  background: #eaf8ff;
}

.desktop-scenario-screen > img {
  width: 100%;
  height: 840px;
  object-fit: cover;
}

.scenario-stack {
  display: grid;
  align-content: center;
  gap: 24px;
  padding: 48px;
}

.scenario-stack .brand-glass {
  padding: 36px;
}

.scenario-compare {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 18px 44px rgba(0, 58, 93, 0.1);
}

.scenario-compare > img {
  width: 150px;
  height: 150px;
  object-fit: contain;
}

.scenario-compare dl {
  margin: 0;
}

.scenario-compare dl div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #d8e2e8;
  font-size: 13px;
  line-height: 20px;
}

.scenario-compare dt {
  font-weight: 700;
}

.scenario-compare dd {
  margin: 0;
  color: #60727d;
}

.desktop-close-screen {
  height: 760px;
}

.desktop-close-screen > .brand-glass > b {
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 24px;
  line-height: 32px;
}

/* Mobile PDP: seven independent screens with a 16px native body floor. */
.amazon-mobile {
  font-size: 16px;
}

.mobile-screen {
  position: relative;
  overflow: hidden;
  border-top: 1px solid #e2e7ea;
}

.mobile-product {
  padding: 20px;
}

.mobile-screen-index {
  display: block;
  margin-bottom: 12px;
}

.mobile-product > a,
.mobile-rating,
.mobile-choice,
.mobile-select {
  font-size: 16px;
  line-height: 24px;
}

.mobile-product h1 {
  margin: 10px 0;
  font-size: 20px;
  line-height: 28px;
}

.mobile-gallery span {
  padding: 8px 12px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--deep);
  background: var(--glass-light-strong);
  box-shadow: var(--glass-shadow-sm);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  font-size: 14px;
}

.mobile-about h2 {
  font-size: 24px;
  line-height: 32px;
}

.mobile-about ul {
  font-size: 16px;
  line-height: 26px;
}

.mobile-brand-hero,
.mobile-feature,
.mobile-brand-close {
  min-height: 0;
  color: var(--ink);
  background: #eaf8ff;
  font-family: var(--guide-font);
}

.mobile-brand-hero > img,
.mobile-feature > img,
.mobile-brand-close > img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.mobile-glass {
  position: absolute;
  top: 20px;
  right: 20px;
  left: 20px;
  padding: 24px;
  border-radius: 20px;
}

.mobile-glass h2 {
  margin: 12px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 30px;
  font-weight: 700;
  line-height: 38px;
}

.mobile-glass p {
  margin: 0;
  color: #3e5968;
  font-size: 16px;
  line-height: 25px;
}

.mobile-glass > b {
  display: block;
  margin-top: 18px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 22px;
}

.mobile-glass.glass-deep h2,
.mobile-glass.glass-deep p,
.mobile-glass.glass-deep > span {
  color: #ffffff;
}

/* Basic A+: seven real modules and visible glass hierarchy. */
.basic-overlay > .basic-glass {
  top: 24px;
  bottom: 24px;
  left: 32px;
  width: 440px;
  padding: 24px 28px;
  transform: none;
  border-radius: 16px;
}

.basic-overlay h1 {
  margin: 10px 0 8px;
  font-size: 36px;
  line-height: 44px;
}

.basic-overlay p {
  width: auto;
  font-size: 18px;
  line-height: 28px;
}

.basic-intro {
  padding: 64px 96px;
}

.basic-intro h2,
.basic-comparison h2 {
  margin-top: 12px;
  font-size: 32px;
  line-height: 40px;
}

.basic-intro p {
  font-size: 18px;
  line-height: 30px;
}

.basic-three {
  position: relative;
  padding-top: 52px;
  padding-bottom: 64px;
}

.basic-three::before {
  position: absolute;
  top: 8px;
  left: 20px;
  content: "03 / USE · DETAIL · CONTEXT";
  color: var(--tide);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.basic-three h3 {
  font-size: 22px;
  line-height: 28px;
}

.basic-three p {
  font-size: 16px;
  line-height: 24px;
}

.basic-split {
  position: relative;
  display: block;
  min-height: 600px;
  overflow: hidden;
  background: #eaf8ff;
}

.basic-split > img {
  width: 970px;
  height: 600px;
  object-fit: cover;
}

.basic-split > .basic-glass {
  position: absolute;
  top: 40px;
  right: 40px;
  bottom: 40px;
  width: 420px;
  padding: 34px;
  border-radius: 20px;
}

.basic-split h2 {
  font-size: 32px;
  line-height: 40px;
}

.basic-split p {
  font-size: 17px;
  line-height: 27px;
}

.basic-split dl div {
  font-size: 14px;
  line-height: 22px;
}

.basic-comparison {
  padding: 64px;
}

.comparison-table dl div {
  font-size: 15px;
  line-height: 24px;
}

.basic-reassurance {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
  padding: 72px 64px;
  background: linear-gradient(135deg, #eaf8ff 0%, #f5f8fa 78%);
}

.basic-reassurance h2 {
  margin: 12px 0;
  color: var(--deep);
  font-size: 32px;
  line-height: 40px;
}

.basic-reassurance p {
  margin: 0;
  color: #52636e;
  font-size: 17px;
  line-height: 28px;
}

.basic-reassurance dl {
  margin: 0;
  padding: 24px;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  background: var(--glass-light-strong);
  box-shadow: var(--glass-shadow-sm);
  backdrop-filter: blur(20px) saturate(135%);
  -webkit-backdrop-filter: blur(20px) saturate(135%);
}

.basic-reassurance dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(0, 58, 93, 0.14);
  font-size: 15px;
  line-height: 24px;
}

.basic-reassurance dl div:last-child {
  border-bottom: 0;
}

.basic-reassurance dt {
  color: var(--tide);
  font-weight: 700;
}

.basic-reassurance dd {
  margin: 0;
}

.basic-close {
  position: relative;
  height: 620px;
  overflow: hidden;
}

.basic-close > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.basic-close > .basic-glass {
  position: absolute;
  top: 48px;
  bottom: 48px;
  left: 48px;
  display: flex;
  width: 420px;
  flex-direction: column;
  justify-content: center;
  padding: 36px;
  border-radius: 20px;
}

.basic-close h2 {
  margin: 14px 0;
  color: var(--deep);
  font-size: 42px;
  line-height: 50px;
}

.basic-close p {
  margin: 0;
  color: #405a69;
  font-size: 18px;
  line-height: 28px;
}

.basic-close b {
  margin-top: 28px;
  color: var(--deep);
  font-size: 22px;
}

/* Premium A+: seven modules, one functional material role per module. */
.premium-hero > .premium-glass,
.premium-banner > .premium-glass {
  position: absolute;
  top: 64px;
  bottom: 64px;
  left: 72px;
  width: 540px;
  padding: 40px;
  border-radius: 20px;
  transform: none;
}

.premium-hero h1 {
  font-size: 56px;
  line-height: 64px;
}

.premium-hero p {
  width: auto;
  font-size: 20px;
  line-height: 32px;
}

.premium-proof h2,
.premium-mobile-pair h2 {
  font-size: 42px;
  line-height: 50px;
}

.premium-three article {
  position: relative;
  display: block;
  min-height: 380px;
  overflow: hidden;
  border-radius: 16px;
}

.premium-three img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.premium-card-glass {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  padding: 22px;
  border-radius: 16px;
}

.premium-card-glass h3 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 28px;
}

.premium-card-glass p {
  margin: 0;
  font-size: 16px;
  line-height: 24px;
}

.premium-specimen > div:last-child {
  margin: 56px;
  padding: 48px;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: var(--glass-light-strong);
  box-shadow: var(--glass-shadow-lg);
  backdrop-filter: blur(24px) saturate(135%);
  -webkit-backdrop-filter: blur(24px) saturate(135%);
}

.premium-specimen h2,
.premium-banner h2 {
  font-size: 44px;
  line-height: 52px;
}

.premium-specimen p,
.premium-banner p {
  font-size: 18px;
  line-height: 30px;
}

.premium-banner {
  position: relative;
  display: block;
  height: 650px;
  overflow: hidden;
}

.premium-banner > img {
  width: 100%;
  height: 650px;
  object-fit: cover;
}

.premium-banner > .premium-glass {
  right: 72px;
  left: auto;
}

.premium-mobile-pair figcaption {
  padding: 20px;
  border-top: 1px solid var(--glass-border);
  background: var(--glass-light-strong);
  font-size: 15px;
  line-height: 22px;
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.premium-reassurance {
  padding: 92px 72px;
  background: #ffffff;
}

.premium-reassurance header {
  max-width: 820px;
}

.premium-reassurance h2 {
  margin: 14px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 44px;
  line-height: 52px;
}

.premium-reassurance header p {
  margin: 0;
  color: #52636e;
  font-size: 18px;
  line-height: 30px;
}

.premium-decision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.premium-decision-grid article {
  padding: 32px;
  border-top: 3px solid var(--tide);
  background: #f5f8fa;
}

.premium-decision-grid b {
  color: var(--tide);
  font-size: 13px;
  line-height: 20px;
}

.premium-decision-grid h3 {
  margin: 14px 0 10px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 24px;
  line-height: 32px;
}

.premium-decision-grid p {
  margin: 0;
  color: #52636e;
  font-size: 16px;
  line-height: 26px;
}

.premium-close {
  position: relative;
  isolation: isolate;
  height: 600px;
  min-height: 600px;
  padding: 0;
  overflow: hidden;
  color: var(--deep);
  background: #eaf4f8;
  text-align: left;
}

.premium-close-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.premium-close-panel {
  position: relative;
  z-index: 1;
  width: 500px;
  height: 460px;
  min-height: 0;
  margin: 70px 72px 70px auto;
  padding: 34px 42px 30px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 18px;
  background: rgba(246, 250, 252, 0.78);
  box-shadow: 0 24px 64px rgba(0, 58, 93, 0.18);
  text-align: left;
  backdrop-filter: blur(26px) saturate(138%);
  -webkit-backdrop-filter: blur(26px) saturate(138%);
}

.premium-close-logo {
  display: block;
  width: 118px;
  height: auto;
  margin-bottom: 28px;
}

.premium-close-panel > span {
  display: block;
  color: var(--tide);
  font-size: 14px;
  font-weight: 700;
  line-height: 20px;
}

.premium-close-panel h2 {
  margin: 12px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 46px;
  font-weight: 650;
  line-height: 50px;
}

.premium-close-panel > p {
  max-width: 390px;
  margin: 0;
  color: #405a69;
  font-size: 16px;
  line-height: 24px;
}

.premium-close-icons {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.premium-close-icons > div {
  gap: 6px;
  padding: 0 6px;
}

.premium-close-icons img {
  width: 26px;
  height: 26px;
  flex-basis: 26px;
}

.premium-close-icons b {
  font-size: 11px;
  line-height: 16px;
  white-space: nowrap;
}

.premium-close-panel > small {
  display: block;
  margin-top: 14px;
  color: #607480;
  font-size: 12px;
  font-weight: 650;
  line-height: 18px;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass-light,
  .brand-glass,
  .proof-glass,
  .glass-chip,
  .mobile-glass,
  .basic-glass,
  .premium-glass,
  .premium-card-glass,
  .spec-type-demo,
  .basic-reassurance dl,
  .premium-specimen > div:last-child {
    background: rgba(255, 255, 255, 0.94);
  }

  .glass-deep {
    background: rgba(0, 58, 93, 0.94);
  }

  .premium-close-panel {
    background: rgba(255, 255, 255, 0.94);
  }
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  .glass-light,
  .brand-glass,
  .proof-glass,
  .glass-chip,
  .mobile-glass,
  .basic-glass,
  .premium-glass,
  .premium-card-glass,
  .spec-type-demo,
  .basic-reassurance dl,
  .premium-specimen > div:last-child {
    background: #ffffff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .glass-deep {
    background: var(--deep);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .premium-close-panel {
    background: #ffffff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* Presentation routes */
body.is-present .side-rail,
body.is-present .workspace-bar {
  display: none;
}

body.is-present .workspace {
  margin-left: 0;
}

body.is-present .view {
  min-height: 100vh;
}

body.is-present .commerce-view {
  padding: 0;
  background: white;
}

body.is-present .simulation-label {
  display: none;
}

body.is-present .amazon-desktop,
body.is-present .basic-aplus,
body.is-present .premium-aplus {
  box-shadow: none;
}

body.is-present .spec-inspector {
  position: static;
  max-height: none;
  overflow: visible;
}

@media (max-width: 1180px) {
  .spec-header {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .spec-filter {
    justify-content: flex-start;
  }

  .spec-workbench {
    grid-template-columns: 1fr;
  }

  .spec-inspector {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .image-stage {
    min-height: 380px;
  }
}

@media (max-width: 900px) {
  .side-rail {
    inset: 0 0 auto 0;
    width: 100%;
    height: 88px;
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 10px 14px;
    border-right: 0;
    border-bottom: 1px solid rgba(0,58,93,0.12);
  }

  .brand-lockup {
    min-width: 152px;
    padding: 0 12px 0 0;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .brand-lockup img { width: 92px; }
  .brand-lockup span { font-size: 8px; margin-top: 2px; }

  .chapter-nav {
    flex: 1;
    flex-direction: row;
    gap: 8px;
    padding: 0;
    overflow-x: auto;
  }

  .nav-group {
    display: flex;
    gap: 4px;
  }

  .nav-label,
  .rail-status {
    display: none;
  }

  .nav-item {
    grid-template-columns: auto 1fr;
    min-width: max-content;
    min-height: 40px;
    padding: 8px 10px;
    border-left: 0;
    border-bottom: 3px solid transparent;
    border-radius: 6px 6px 0 0;
  }

  .nav-item.is-active {
    border-bottom-color: var(--blue);
  }

  .workspace {
    margin-top: 88px;
    margin-left: 0;
  }

  .workspace-bar {
    top: 88px;
    padding: 12px 20px;
  }

  .release-state b { display: none; }

  .guide-hero,
  .overview-band,
  .token-band,
  .asset-review-band {
    padding-right: 32px;
    padding-left: 32px;
  }

  .guide-hero {
    min-height: 560px;
  }

  .hero-copy,
  .hero-proof,
  .section-heading,
  .gate-list,
  .token-table {
    grid-column: 1 / -1;
  }

  .hero-proof {
    margin-top: 32px;
  }

  .overview-band,
  .token-band {
    row-gap: 32px;
  }

  .gate-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .workspace-bar {
    min-height: 64px;
  }

  .workspace-bar .eyebrow,
  .release-state span {
    display: none;
  }

  .workspace-bar strong {
    font-size: 16px;
  }

  .guide-hero {
    display: block;
    min-height: auto;
    padding-top: 62px;
  }

  .hero-copy h1 {
    font-size: 34px;
    line-height: 42px;
  }

  .hero-proof {
    margin-top: 36px;
  }

  .inline-heading {
    align-items: start;
  }

  .inline-heading a {
    display: none;
  }

  .token-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 0;
  }

  .token-row b { text-align: left; }

  .specs-page {
    padding: 34px 18px;
  }

  .spec-header h1 {
    font-size: 28px;
    line-height: 36px;
  }

  .spec-previews {
    grid-template-columns: 1fr;
  }

  .image-stage {
    min-height: 320px;
  }

  .commerce-view {
    padding: 0;
  }

  .mobile-simulation-view .simulation-label {
    display: none;
  }

  .phone-frame {
    width: 390px;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .amazon-mobile {
    border-radius: 0;
  }
}

/* V5: seekway functional icon system and evidence-led application bands. */
.icon-system-page {
  background: #ffffff;
}

.icon-system-hero {
  min-height: 520px;
  align-items: center;
  padding: 72px;
  background: linear-gradient(135deg, #ffffff 0%, #f5f8fa 55%, #eaf8ff 100%);
}

.icon-system-hero h1 {
  margin: 22px 0 24px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 48px;
  font-weight: 650;
  line-height: 56px;
}

.icon-system-hero p {
  max-width: 690px;
  margin: 0;
  color: #405a69;
  font-size: 18px;
  line-height: 30px;
}

.icon-system-proof {
  align-self: end;
  padding: 30px;
}

.icon-system-proof dl {
  margin: 0;
}

.icon-system-proof dl div {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 58, 93, 0.14);
}

.icon-system-proof dl div:last-child {
  border-bottom: 0;
}

.icon-system-proof dt {
  color: var(--tide);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.icon-system-proof dd {
  margin: 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 18px;
  font-weight: 650;
  line-height: 24px;
}

.icon-construction {
  align-items: center;
  padding: 88px 72px;
  border-top: 1px solid #dce8ee;
  background: #ffffff;
}

.icon-construction-copy h2 {
  margin: 16px 0 20px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 38px;
  font-weight: 650;
  line-height: 46px;
}

.icon-construction-copy > p {
  max-width: 470px;
  margin: 0;
  color: #52636e;
  font-size: 16px;
  line-height: 27px;
}

.icon-construction-copy dl {
  margin: 28px 0 0;
}

.icon-construction-copy dl div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.icon-construction-copy dt {
  color: var(--tide);
  font-family: var(--mono-font);
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
}

.icon-construction-copy dd {
  margin: 0;
  color: var(--deep);
  font-size: 14px;
  font-weight: 650;
  line-height: 20px;
}

.icon-construction-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.icon-construction-board article {
  display: grid;
  grid-template-rows: 216px auto;
  min-width: 0;
  overflow: hidden;
  border: 1px solid #d6e3e9;
  border-radius: 8px;
  background: #f8fbfc;
}

.icon-grid-stage {
  position: relative;
  display: grid;
  width: 192px;
  height: 192px;
  place-items: center;
  align-self: center;
  justify-self: center;
  background-color: #f2f9fc;
  background-image:
    linear-gradient(rgba(0, 124, 199, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 124, 199, 0.13) 1px, transparent 1px);
  background-size: 8px 8px;
}

.icon-grid-stage::after {
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(0, 179, 255, 0.58);
  content: "";
  pointer-events: none;
}

.icon-grid-stage img {
  position: relative;
  z-index: 1;
  width: 192px;
  height: 192px;
}

.icon-construction-board article > div:last-child {
  padding: 20px 22px 22px;
  border-top: 1px solid #dce8ee;
  background: #ffffff;
}

.icon-construction-board span {
  color: var(--tide);
  font-family: var(--mono-font);
  font-size: 11px;
  font-weight: 700;
  line-height: 16px;
}

.icon-construction-board h3 {
  margin: 6px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 18px;
  line-height: 24px;
}

.icon-construction-board p {
  margin: 0;
  color: #52636e;
  font-size: 14px;
  line-height: 22px;
}

.icon-reference {
  align-items: center;
  padding: 88px 72px;
  border-top: 1px solid #dce8ee;
  background: #f5f8fa;
}

.reference-sheet {
  margin: 0;
  overflow: hidden;
  border: 1px solid #d6e3e9;
  border-radius: 12px;
  background: #ffffff;
}

.reference-sheet img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.reference-application-specimen {
  position: relative;
  aspect-ratio: 1464 / 600;
  overflow: hidden;
  background: #eaf4f8;
}

.reference-application-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reference-application-glass {
  position: absolute;
  top: 6%;
  bottom: 6%;
  left: 4%;
  width: 45%;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 14px;
  background: rgba(246, 250, 252, 0.82);
  box-shadow: 0 18px 42px rgba(0, 58, 93, 0.16);
  backdrop-filter: blur(22px) saturate(135%);
  -webkit-backdrop-filter: blur(22px) saturate(135%);
}

.reference-application-logo {
  width: 72px !important;
  height: auto !important;
  aspect-ratio: auto !important;
  margin-bottom: 8px;
  object-fit: contain !important;
}

.reference-application-glass > span {
  display: block;
  color: var(--tide);
  font-size: 10px;
  font-weight: 700;
  line-height: 14px;
}

.reference-application-glass h3 {
  margin: 4px 0 6px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 24px;
  font-weight: 650;
  line-height: 27px;
}

.reference-application-glass > p {
  margin: 0;
  color: #405a69;
  font-size: 14px;
  line-height: 18px;
}

.reference-icon-band {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 10px;
  padding: 8px 0;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.reference-icon-band div {
  min-width: 0;
  min-height: 34px;
  gap: 6px;
  padding: 0 8px;
}

.reference-icon-band img {
  width: 20px !important;
  height: 20px !important;
  aspect-ratio: 1 !important;
  object-fit: contain !important;
}

.reference-icon-band b {
  font-size: 10px;
  line-height: 14px;
}

.reference-sheet figcaption {
  padding: 16px 20px;
  border-top: 1px solid #dce8ee;
  color: #607480;
  font-size: 13px;
  font-weight: 650;
  line-height: 20px;
}

.reference-verdict {
  padding-left: 24px;
}

.reference-verdict h2 {
  margin: 16px 0 24px;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 38px;
  line-height: 46px;
}

.reference-verdict dl {
  margin: 0;
}

.reference-verdict dl div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.reference-verdict dt {
  color: var(--tide);
  font-size: 13px;
  font-weight: 750;
  line-height: 22px;
}

.reference-verdict dd {
  margin: 0;
  color: #405a69;
  font-size: 16px;
  line-height: 26px;
}

.icon-library {
  padding: 88px 72px 96px;
}

.icon-library-note {
  align-self: end;
  color: #607480;
  font-size: 14px;
  line-height: 22px;
}

.icon-card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.icon-card {
  position: relative;
  min-height: 254px;
  padding: 24px 22px 50px;
  border: 1px solid #dce8ee;
  border-top: 3px solid var(--tide);
  border-radius: 8px;
  background: #ffffff;
}

.icon-card.is-scene {
  border-top-color: var(--blue);
  background: #f4fbff;
}

.icon-card.is-pending {
  border-top-color: var(--orange);
  background: #fffaf4;
}

.icon-card > img {
  display: block;
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
}

.icon-card > span {
  color: #607480;
  font-family: var(--mono-font);
  font-size: 12px;
  line-height: 18px;
}

.icon-card h3 {
  margin: 8px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 18px;
  line-height: 24px;
}

.icon-card p {
  margin: 0;
  color: #52636e;
  font-size: 14px;
  line-height: 22px;
}

.icon-card > b {
  position: absolute;
  bottom: 18px;
  left: 22px;
  color: var(--tide);
  font-size: 11px;
  line-height: 16px;
}

.icon-card.is-pending > b {
  color: #a85209;
}

.icon-application-rules {
  align-items: start;
  padding: 88px 72px 96px;
  border-top: 1px solid #dce8ee;
  background: linear-gradient(135deg, #eaf8ff 0%, #f5f8fa 78%);
}

.icon-application-rules .section-heading p {
  max-width: 300px;
  margin: 18px 0 0;
  color: #52636e;
  font-size: 16px;
  line-height: 26px;
}

.icon-provenance {
  padding: 88px 72px 104px;
  border-top: 1px solid #dce8ee;
  background: #ffffff;
}

.icon-provenance-table {
  margin-top: 38px;
  border-top: 1px solid #cddce3;
}

.icon-provenance-table > div {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1.3fr 1fr;
  gap: 24px;
  align-items: center;
  min-height: 66px;
  padding: 14px 0;
  border-bottom: 1px solid #dce8ee;
}

.icon-provenance-table .icon-provenance-head {
  min-height: 44px;
  color: #607480;
  font-family: var(--mono-font);
  font-size: 11px;
  font-weight: 700;
  line-height: 16px;
}

.icon-provenance-table b {
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 15px;
  line-height: 22px;
}

.icon-provenance-table > div > span,
.icon-provenance-table em {
  color: #52636e;
  font-size: 14px;
  font-style: normal;
  line-height: 22px;
}

.icon-provenance-table strong {
  justify-self: start;
  padding: 5px 8px;
  border: 1px solid rgba(168, 82, 9, 0.2);
  border-radius: 4px;
  color: #a85209;
  background: #fff7ed;
  font-family: var(--mono-font);
  font-size: 10px;
  line-height: 14px;
}

.icon-provenance-table strong.is-final {
  border-color: rgba(0, 124, 199, 0.22);
  color: var(--tide);
  background: #f1faff;
}

.icon-component-board {
  display: grid;
  gap: 24px;
}

.icon-component-board article {
  padding: 24px 0;
  border-top: 1px solid rgba(0, 58, 93, 0.16);
}

.icon-component-board article > span {
  display: block;
  margin-bottom: 12px;
  color: var(--tide);
  font-family: var(--mono-font);
  font-size: 12px;
  font-weight: 650;
  line-height: 18px;
}

.feature-icon-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 22px;
  padding: 14px 0;
  border-top: 1px solid rgba(0, 58, 93, 0.16);
  border-bottom: 1px solid rgba(0, 58, 93, 0.16);
}

.feature-icon-band > div {
  display: flex;
  min-width: 0;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border-left: 1px solid rgba(0, 58, 93, 0.12);
}

.feature-icon-band > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.feature-icon-band img {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.feature-icon-band b {
  min-width: 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 650;
  line-height: 18px;
}

.feature-icon-band-large {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-icon-band-large img {
  width: 36px;
  height: 36px;
  flex-basis: 36px;
}

.feature-icon-band-large b {
  font-size: 14px;
  line-height: 20px;
}

.feature-icon-band-mobile {
  margin-top: 20px;
  padding: 12px 0;
}

.feature-icon-band-mobile img,
.feature-icon-band-compact img {
  width: 28px;
  height: 28px;
  flex-basis: 28px;
}

.feature-icon-band-mobile b,
.feature-icon-band-compact b {
  font-size: 13px;
  line-height: 18px;
}

.feature-icon-band-compact {
  margin-top: 10px;
  padding: 8px 0;
}

.feature-icon-band-native {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
  padding: 18px 0;
}

.feature-icon-band-dark {
  border-color: rgba(255, 255, 255, 0.28);
}

.feature-icon-band-dark > div {
  border-left-color: rgba(255, 255, 255, 0.22);
}

.feature-icon-band-dark img {
  filter: brightness(0) invert(1);
}

.feature-icon-band-dark b {
  color: #ffffff;
}

.feature-lead-icon,
.story-proof-grid .proof-copy > .feature-lead-icon,
.premium-three .premium-proof-copy > .feature-lead-icon,
.basic-three article > .feature-lead-icon {
  display: block;
  width: 38px;
  height: 38px;
  margin: 14px 0 12px;
  object-fit: contain;
}

.basic-three article > .feature-lead-icon {
  margin-right: 20px;
  margin-left: 20px;
}

.glass-chip {
  grid-template-columns: 40px auto 1fr;
}

.fit-pair .glass-chip > img {
  width: 36px;
  height: 36px;
  aspect-ratio: 1;
  object-fit: contain;
}

.glass-chip span {
  text-align: right;
}

.icon-fact-list dt {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-fact-list dt img {
  width: 28px;
  height: 28px;
}

.brand-signoff {
  display: block;
  margin-top: 24px;
  color: var(--deep);
  font-size: 22px;
  line-height: 28px;
}

.basic-overlay > .basic-glass {
  width: 430px;
}

.basic-overlay h1 {
  margin: 8px 0 6px;
  font-size: 32px;
  line-height: 38px;
}

.basic-overlay p {
  font-size: 16px;
  line-height: 24px;
}

.specimen-icon-list {
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.specimen-icon-list > div {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 58, 93, 0.14);
}

.specimen-icon-list img {
  width: 36px;
  height: 36px;
}

.specimen-icon-list span {
  display: grid;
  gap: 2px;
}

.specimen-icon-list b {
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 16px;
  line-height: 22px;
}

.specimen-icon-list small {
  color: #607480;
  font-size: 13px;
  line-height: 18px;
}

.premium-decision-grid article > img {
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
}

.premium-glass .feature-icon-band {
  margin-top: 20px;
}

.feature-icon-band.reference-icon-band,
.feature-icon-band.premium-close-icons {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.premium-close-panel .premium-close-icons {
  margin-top: 18px;
  padding: 10px 0;
}

.premium-close-panel .premium-close-icons > div {
  min-height: 44px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
}

.premium-close-panel .premium-close-icons b {
  font-size: 12px;
  line-height: 16px;
  white-space: nowrap;
}

.reference-application-glass .reference-icon-band > div {
  min-height: 42px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
}

.reference-application-glass .reference-icon-band b {
  white-space: nowrap;
}

@media (max-width: 980px) {
  .icon-system-hero,
  .icon-construction,
  .icon-reference,
  .icon-application-rules {
    display: block;
    padding: 56px 32px;
  }

  .icon-system-proof,
  .icon-construction-board,
  .reference-verdict,
  .icon-component-board {
    margin-top: 32px;
    padding-left: 0;
  }

  .icon-construction-board {
    grid-template-columns: 1fr;
  }

  .icon-library {
    padding: 56px 32px;
  }

  .icon-provenance {
    padding: 56px 32px 72px;
  }

  .icon-provenance-table > div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 0;
  }

  .icon-provenance-table .icon-provenance-head {
    display: none;
  }

  .icon-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.external-review-notice {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1000;
  display: grid;
  gap: 3px;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  background: rgba(244, 250, 253, 0.82);
  box-shadow: 0 12px 30px rgba(1, 62, 93, 0.16);
  color: #00446c;
  backdrop-filter: blur(20px) saturate(135%);
  -webkit-backdrop-filter: blur(20px) saturate(135%);
}

.external-review-notice strong {
  font-family: "Montserrat", sans-serif;
  font-size: 11px;
  line-height: 15px;
}

.external-review-notice span {
  font-size: 11px;
  line-height: 16px;
}

.external-review .amazon-desktop a,
.external-review .amazon-mobile a {
  pointer-events: none;
}

.external-review .amazon-desktop button:disabled,
.external-review .amazon-desktop input:disabled,
.external-review .amazon-desktop select:disabled,
.external-review .amazon-mobile button:disabled {
  cursor: not-allowed;
}

@media (max-width: 620px) {
  .external-review-notice {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    max-width: none;
    margin: 10px;
  }

  .external-review-notice strong,
  .external-review-notice span {
    font-size: 12px;
    line-height: 18px;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .external-review-notice {
    background: #f4fafd;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (max-width: 390px) {
  body.is-present .phone-frame,
  body.is-present .amazon-mobile {
    width: 100vw;
  }
}

body.is-present .workspace {
  margin-top: 0;
}

/* V4: media keeps its native ratio; explanatory material never covers product evidence. */
.proof-copy,
.premium-proof-copy,
.mobile-module-copy,
.basic-native-copy {
  border: 1px solid var(--glass-border);
  background: rgba(245, 250, 252, 0.82);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px) saturate(135%);
  -webkit-backdrop-filter: blur(24px) saturate(135%);
}

.story-proof-grid article {
  display: grid;
  min-height: 0;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid #dce8ee;
  border-radius: 12px;
  background: #f5fafc;
}

.story-proof-grid img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.proof-copy {
  position: static;
  padding: 24px;
  border-width: 1px 0 0;
  border-radius: 0;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.96);
}

.proof-copy > span {
  color: var(--tide);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.proof-copy h3 {
  margin: 8px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 22px;
  line-height: 28px;
}

.proof-copy p {
  margin: 0;
  color: #405a69;
  font-size: 16px;
  line-height: 24px;
}

.mobile-brand-hero,
.mobile-feature,
.mobile-brand-close {
  min-height: 0;
  background: linear-gradient(135deg, #eaf8ff 0%, #f5f8fa 72%);
}

.mobile-module-media {
  display: block;
  width: 100%;
  margin: 0;
  overflow: hidden;
  background: #dcecf3;
}

.mobile-module-media.ratio-4-5 { aspect-ratio: 4 / 5; }
.mobile-module-media.ratio-1-1 { aspect-ratio: 1 / 1; }

.mobile-module-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-module-copy {
  position: static;
  padding: 28px 24px 32px;
  border-width: 1px 0 0;
  border-radius: 0;
  box-shadow: 0 -12px 32px rgba(0, 58, 93, 0.08), inset 0 1px rgba(255, 255, 255, 0.96);
}

.mobile-module-copy > span {
  color: var(--tide);
  font-family: var(--display-font);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.mobile-module-copy h2 {
  margin: 12px 0;
  color: var(--deep);
  font-family: var(--display-font);
  font-size: 30px;
  font-weight: 700;
  line-height: 38px;
}

.mobile-module-copy p {
  margin: 0;
  color: #3e5968;
  font-size: 17px;
  line-height: 28px;
}

.mobile-module-copy > b {
  display: block;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 58, 93, 0.14);
  color: #607480;
  font-size: 13px;
  font-weight: 650;
  line-height: 20px;
}

.basic-overlay {
  height: 300px;
}

.basic-overlay > img {
  width: 970px;
  height: 300px;
  object-fit: cover;
}

.basic-overlay > .basic-glass {
  top: 24px;
  bottom: 24px;
  left: 32px;
  width: 390px;
  padding: 20px 24px;
}

.basic-image-header {
  background: #ffffff;
}

.basic-image-header > img {
  display: block;
  width: 970px;
  height: 600px;
  object-fit: cover;
}

.basic-native-copy {
  padding: 48px 64px 56px;
  border-width: 1px 0 0;
  background: rgba(245, 250, 252, 0.9);
}

.basic-native-copy > span {
  color: var(--tide);
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
}

.basic-native-copy h2 {
  max-width: 760px;
  margin: 12px 0;
  color: var(--deep);
  font-size: 32px;
  line-height: 40px;
}

.basic-native-copy p {
  max-width: 820px;
  margin: 0;
  color: #52636e;
  font-size: 18px;
  line-height: 30px;
}

.basic-native-copy dl {
  display: grid;
  margin: 28px 0 0;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(0, 58, 93, 0.14);
}

.basic-native-copy dl div {
  padding: 18px 20px 0 0;
  font-size: 15px;
  line-height: 24px;
}

.basic-native-copy dt {
  color: var(--tide);
  font-weight: 700;
}

.basic-native-copy dd {
  margin: 4px 0 0;
}

.premium-three article {
  display: grid;
  min-height: 0;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid #dce8ee;
  border-radius: 12px;
  background: #f5fafc;
}

.premium-three img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.premium-proof-copy {
  position: static;
  padding: 24px;
  border-width: 1px 0 0;
  border-radius: 0;
}

.premium-proof-copy h3 {
  margin: 0 0 8px;
  color: var(--deep);
  font-size: 22px;
  line-height: 28px;
}

.premium-proof-copy p {
  margin: 0;
  color: #405a69;
  font-size: 16px;
  line-height: 24px;
}

.premium-banner {
  height: 600px;
}

.premium-banner > img {
  width: 1464px;
  height: 600px;
  object-fit: cover;
}

.premium-banner > .premium-glass.premium-glass-right {
  right: 72px;
  left: auto;
  width: 470px;
}

@media (max-width: 620px) {
  .mobile-module-copy h2 {
    font-size: 30px;
    line-height: 38px;
  }

  .mobile-module-copy p {
    font-size: 17px;
    line-height: 28px;
  }
}