:root {
  --ink: #071224;
  --navy: #0b1830;
  --navy-2: #132a4c;
  --slate: #46566c;
  --muted: #6a778b;
  --line: #dce4ee;
  --paper: #f6f8fb;
  --white: #ffffff;
  --blue: #1d70a8;
  --blue-soft: #eaf4fb;
  --copper: #9e4c2d;
  --copper-soft: #f8eee9;
  --pink: #d82f78;
  --pink-soft: #fff0f6;
  --green: #14823b;
  --green-soft: #e9f7ee;
  --amber: #a86300;
  --amber-soft: #fff5df;
  --shadow: 0 24px 70px rgba(13, 34, 66, 0.12);
  --shadow-soft: 0 10px 36px rgba(13, 34, 66, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family:
    "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid #1f8aca;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 14px;
  display: flex;
  width: min(calc(100% - 32px), var(--max));
  min-height: 68px;
  margin: 14px auto 0;
  padding: 9px 11px 9px 18px;
  align-items: center;
  gap: 22px;
  border: 1px solid rgba(220, 228, 238, 0.92);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 30px rgba(13, 34, 66, 0.09);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  width: 13px;
  height: 36px;
  border-radius: 20px;
  background: linear-gradient(180deg, var(--copper) 0 50%, var(--pink) 50% 100%);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
  line-height: 1.2;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  margin-left: auto;
  gap: 4px;
}

.desktop-nav a {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  color: #34445a;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    background 180ms ease,
    color 180ms ease;
}

.desktop-nav a:hover {
  background: var(--paper);
  color: var(--navy);
}

.print-button,
.button,
.protocol-switch button,
.audience-switch button {
  min-height: 44px;
  border: 0;
  cursor: pointer;
  font-weight: 800;
}

.print-button {
  padding: 10px 18px;
  border-radius: 11px;
  background: var(--navy);
  color: var(--white);
}

.hero {
  position: relative;
  display: grid;
  min-height: 760px;
  margin-top: -96px;
  padding: 190px max(24px, calc((100vw - var(--max)) / 2)) 95px;
  grid-template-columns: minmax(0, 0.93fr) minmax(500px, 1.07fr);
  align-items: center;
  gap: 64px;
  overflow: hidden;
  background:
    radial-gradient(circle at 87% 13%, rgba(216, 47, 120, 0.12), transparent 24%),
    radial-gradient(circle at 58% 78%, rgba(29, 112, 168, 0.14), transparent 27%),
    linear-gradient(145deg, #f8fbff 0%, #ffffff 55%, #fff8fb 100%);
}

.hero::before {
  position: absolute;
  right: -160px;
  bottom: -230px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(29, 112, 168, 0.16);
  border-radius: 50%;
  content: "";
  box-shadow:
    0 0 0 70px rgba(29, 112, 168, 0.025),
    0 0 0 150px rgba(216, 47, 120, 0.018);
}

.hero-copy,
.product-stage {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(2.75rem, 5vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.hero-lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: var(--slate);
  font-size: 1.08rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  padding: 12px 21px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  text-decoration: none;
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.button-primary {
  background: var(--navy);
  box-shadow: 0 12px 24px rgba(11, 24, 48, 0.2);
  color: var(--white);
}

.button-primary:hover {
  background: #163a64;
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--navy);
}

.button-secondary:hover {
  border-color: #9fb2c9;
  background: var(--white);
}

.source-stamp {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.product-stage {
  display: grid;
  min-height: 530px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 16px;
}

.stage-card {
  position: relative;
  min-width: 0;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.stage-card::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.stage-card-resin {
  margin-top: 70px;
  background: linear-gradient(155deg, #f5e7df, #fff 62%);
}

.stage-card-rmgi {
  margin-bottom: 70px;
  background: linear-gradient(155deg, #ffe6f1, #fff 62%);
}

.stage-label {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.stage-label span {
  padding: 4px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.stage-label strong {
  font-size: 0.78rem;
}

.stage-card-resin .stage-label {
  color: var(--copper);
}

.stage-card-rmgi .stage-label {
  color: var(--pink);
}

.stage-card img {
  width: 100%;
  height: 270px;
  margin: 12px 0;
  object-fit: contain;
  filter: drop-shadow(0 24px 22px rgba(26, 38, 58, 0.13));
}

.stage-card h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2.3vw, 2.5rem);
  letter-spacing: -0.035em;
}

.stage-card h2 sup,
.comparison-table sup {
  font-size: 0.45em;
}

.stage-card p {
  min-height: 44px;
  margin: 7px 0 0;
  color: var(--slate);
  font-size: 0.84rem;
  line-height: 1.5;
}

.section {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 108px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}

.section-heading h2,
.version-alert h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.section-heading > p:last-child {
  max-width: 760px;
  margin: 17px 0 0;
  color: var(--slate);
  font-size: 1.02rem;
}

.quick-answer {
  padding-top: 116px;
}

.product-glossary-section {
  padding-top: 72px;
  padding-bottom: 76px;
  border-top: 1px solid var(--line);
}

.product-glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-glossary-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.product-glossary-head {
  min-height: 168px;
  padding: 26px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-2), var(--navy));
}

.product-glossary-head span {
  display: inline-block;
  padding: 5px 8px;
  color: var(--navy);
  background: #f1bc67;
  border-radius: 6px;
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.product-glossary-head h3 {
  margin: 13px 0 0;
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.product-glossary-head p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.8rem;
}

.product-glossary-card dl,
.product-glossary-card dd {
  margin: 0;
}

.product-glossary-card dl {
  display: grid;
  padding: 0 24px 24px;
}

.product-glossary-card dl > div {
  padding: 17px 0;
  border-top: 1px solid var(--line);
}

.product-glossary-card dt {
  color: var(--navy-2);
  font-size: 0.78rem;
  font-weight: 900;
}

.product-glossary-card dd {
  margin-top: 4px;
  color: var(--slate);
  font-size: 0.88rem;
}

.product-glossary-card .sales-memory {
  margin: 0 -10px;
  padding: 17px 10px;
  background: var(--blue-soft);
  border: 0;
  border-radius: 14px;
}

.product-glossary-card .sales-memory dt {
  color: var(--ink);
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.answer-card {
  min-height: 300px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.answer-resin {
  background: linear-gradient(145deg, var(--copper-soft), var(--white));
}

.answer-rmgi {
  background: linear-gradient(145deg, var(--pink-soft), var(--white));
}

.answer-alert {
  background: linear-gradient(145deg, var(--amber-soft), var(--white));
}

.answer-number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 900;
}

.answer-card h3 {
  margin: 28px 0 12px;
  font-size: 1.3rem;
  line-height: 1.45;
}

.answer-card p {
  margin: 0;
  color: var(--slate);
}

.selector-section {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  background: var(--navy);
  color: var(--white);
}

.selector-section .section-heading > p:last-child {
  color: #b9c7da;
}

.selector-section .eyebrow {
  color: #72b9e6;
}

.selector-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
  gap: 34px;
}

.selector-form {
  min-width: 0;
}

.selector-form fieldset {
  margin: 0 0 30px;
  padding: 0;
  border: 0;
}

.selector-form legend {
  display: flex;
  margin-bottom: 16px;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 800;
}

.selector-form legend span {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #244a78;
  font-size: 0.78rem;
}

.choice-grid {
  display: grid;
  gap: 10px;
}

.material-grid {
  grid-template-columns: repeat(3, 1fr);
}

.condition-grid {
  grid-template-columns: repeat(2, 1fr);
}

.choice {
  position: relative;
  min-width: 0;
}

.choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.choice span {
  display: flex;
  min-height: 58px;
  padding: 12px 15px;
  align-items: center;
  justify-content: center;
  border: 1px solid #314967;
  border-radius: 13px;
  background: #122441;
  color: #dce6f2;
  cursor: pointer;
  font-weight: 700;
  text-align: center;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.choice span:hover {
  border-color: #6d8fb7;
  background: #173052;
}

.choice input:checked + span {
  border-color: #79c6f3;
  background: #eaf6fd;
  box-shadow: inset 0 0 0 2px #79c6f3;
  color: #0a2843;
}

.choice input:focus-visible + span {
  outline: 3px solid #79c6f3;
  outline-offset: 3px;
}

.choice-check span {
  justify-content: flex-start;
  text-align: left;
}

.choice-check span::before {
  width: 18px;
  height: 18px;
  margin-right: 10px;
  flex: 0 0 auto;
  border: 2px solid #6b86a5;
  border-radius: 5px;
  content: "";
}

.choice-check input:checked + span::before {
  border-color: #0f6a9d;
  background: #0f6a9d;
  box-shadow: inset 0 0 0 4px #eaf6fd;
}

.result-card {
  align-self: start;
  min-height: 460px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.23);
  color: var(--ink);
}

.result-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.result-product {
  margin-top: 9px;
  color: var(--copper);
  font-size: 2.15rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.result-product[data-tone="rmgi"] {
  color: var(--pink);
}

.result-product[data-tone="balanced"] {
  color: var(--blue);
}

.result-summary {
  margin: 18px 0 0;
  color: #2d3a4c;
  font-size: 1rem;
  font-weight: 700;
}

.result-reasons {
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.result-reasons li {
  position: relative;
  margin: 9px 0;
  padding-left: 21px;
  color: var(--slate);
  font-size: 0.9rem;
}

.result-reasons li::before {
  position: absolute;
  top: 0.63em;
  left: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.result-warning {
  padding: 13px 15px;
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  background: var(--amber-soft);
  color: #674209;
  font-size: 0.82rem;
}

.result-boundary {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.comparison-table-wrap {
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 19px 22px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.comparison-table thead th {
  background: var(--navy);
  color: var(--white);
  font-size: 1.08rem;
}

.comparison-table thead th:first-child {
  color: #aebed1;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.comparison-table .col-resin {
  background: #67301f;
}

.comparison-table .col-rmgi {
  background: #8c1c50;
}

.comparison-table tbody th {
  width: 18%;
  background: #f8fafc;
  color: #33445b;
  font-size: 0.88rem;
}

.comparison-table tbody td {
  width: 41%;
  color: #35445a;
  font-size: 0.9rem;
}

.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.status {
  display: inline-block;
  margin-right: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
}

.status-strong {
  background: var(--green-soft);
  color: var(--green);
}

.status-stop {
  background: #fff0ee;
  color: #b3261e;
}

.protocol-section {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  background: var(--paper);
}

.protocol-switch,
.audience-switch {
  display: inline-flex;
  margin-bottom: 28px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  gap: 5px;
}

.protocol-switch button,
.audience-switch button {
  padding: 10px 16px;
  border-radius: 10px;
  background: transparent;
  color: var(--slate);
}

.protocol-switch button[aria-selected="true"],
.audience-switch button[aria-selected="true"] {
  background: var(--navy);
  color: var(--white);
}

.protocol-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  padding: 22px 0;
  grid-template-columns: 55px 1fr;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.timeline li:first-child {
  padding-top: 0;
}

.timeline > li > span {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 900;
}

.timeline h3 {
  margin: 0;
  font-size: 1.05rem;
}

.timeline p {
  margin: 6px 0 0;
  color: var(--slate);
  font-size: 0.93rem;
}

.protocol-note {
  align-self: start;
  padding: 23px;
  border: 1px solid #e8d5ca;
  border-radius: 18px;
  background: var(--copper-soft);
}

.protocol-note-pink {
  border-color: #f3c9dc;
  background: var(--pink-soft);
}

.protocol-note strong {
  color: var(--copper);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.protocol-note-pink strong {
  color: var(--pink);
}

.protocol-note p {
  margin: 10px 0 0;
  color: var(--slate);
  font-size: 0.86rem;
}

.workflow-gallery {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.protocol-panel > .workflow-figure {
  grid-column: 1 / -1;
}

.workflow-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.workflow-figure > a:first-child {
  display: grid;
  min-height: 220px;
  place-items: center;
  padding: 10px;
  background: #f6f8fa;
}

.workflow-figure img {
  width: 100%;
  max-height: 640px;
  object-fit: contain;
}

.workflow-figure figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  color: var(--slate);
  font-size: 0.8rem;
}

.workflow-figure figcaption a {
  flex: 0 0 auto;
  color: var(--blue);
  font-weight: 900;
}

.workflow-figure-portrait img {
  max-height: 760px;
}

[hidden] {
  display: none !important;
}

.audience-section {
  padding-bottom: 60px;
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.audience-grid article,
.sales-pitch,
.objection-grid article {
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.card-label {
  margin: 0;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.audience-grid h3 {
  margin: 12px 0;
  font-size: 1.35rem;
}

.audience-grid ol {
  margin: 12px 0 0;
  padding-left: 22px;
  color: var(--slate);
}

.audience-grid p:last-child {
  color: var(--slate);
}

.sales-script {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 18px;
}

.sales-pitch {
  background: var(--navy);
  color: var(--white);
}

.sales-pitch .card-label {
  color: #7bc7ef;
}

.sales-pitch blockquote {
  margin: 20px 0 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.8;
}

.objection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.objection-grid article {
  padding: 20px;
}

.objection-grid h3 {
  margin: 0;
  font-size: 0.98rem;
}

.objection-grid p {
  margin: 9px 0 0;
  color: var(--slate);
  font-size: 0.83rem;
}

.evidence-section {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  background: #edf3f8;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.metric-card {
  min-height: 190px;
  padding: 23px;
  border-top: 4px solid var(--copper);
  border-radius: 15px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.metric-card.metric-pink {
  border-top-color: var(--pink);
}

.metric-card p {
  min-height: 52px;
  margin: 0;
  color: var(--slate);
  font-size: 0.85rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 9px;
  font-size: 2.2rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.metric-card strong small {
  font-size: 0.8rem;
  letter-spacing: 0;
}

.metric-card span {
  display: block;
  margin-top: 19px;
  color: var(--muted);
  font-size: 0.7rem;
}

.evidence-levels {
  display: grid;
  margin-top: 18px;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.evidence-levels article {
  padding: 23px;
  border: 1px solid #d4dfe9;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.68);
}

.evidence-level {
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.evidence-levels h3 {
  margin: 10px 0 6px;
  font-size: 1rem;
}

.evidence-levels p {
  margin: 0;
  color: var(--slate);
  font-size: 0.82rem;
}

.downloads {
  display: grid;
  margin-top: 42px;
  padding: 34px;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 30px;
  border-radius: 22px;
  background: var(--navy);
  color: var(--white);
}

.downloads-heading .eyebrow {
  color: #7bc7ef;
}

.downloads-heading h3 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.download-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.download-columns h4 {
  margin: 0 0 12px;
  color: #b9cbe0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.download-columns a {
  display: block;
  min-height: 44px;
  padding: 9px 0;
  border-bottom: 1px solid #314a6c;
  color: var(--white);
  font-size: 0.85rem;
  text-decoration: none;
}

.download-columns a:hover {
  color: #8bd2f6;
}

.version-alert {
  margin-top: 108px;
  margin-bottom: 108px;
  padding: 48px;
  border: 1px solid #efd69d;
  border-radius: 26px;
  background: var(--amber-soft);
}

.version-alert .eyebrow {
  color: var(--amber);
}

.version-alert h2 {
  max-width: 850px;
}

.version-grid {
  display: grid;
  margin-top: 28px;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.version-grid article {
  padding: 22px;
  border: 1px solid #eed8aa;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.66);
}

.version-grid h3 {
  margin: 0 0 8px;
}

.version-grid p {
  margin: 5px 0;
  color: #5c4a25;
  font-size: 0.88rem;
}

.version-rule {
  margin: 22px 0 0;
  color: #513a0f;
  font-weight: 800;
}

.site-footer {
  display: flex;
  padding: 46px max(24px, calc((100vw - var(--max)) / 2));
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  background: #071224;
  color: var(--white);
}

.site-footer p {
  max-width: 800px;
  margin: 8px 0 0;
  color: #aabbd0;
  font-size: 0.8rem;
}

.site-footer > a {
  min-height: 44px;
  padding: 10px 0;
  color: #8bd2f6;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

@media (max-width: 1080px) {
  .desktop-nav {
    display: none;
  }

  .print-button {
    margin-left: auto;
  }

  .hero {
    min-height: 0;
    padding-top: 170px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 820px;
  }

  .product-stage {
    width: min(100%, 760px);
    min-height: 470px;
    margin: 0 auto;
  }

  .stage-card img {
    height: 250px;
  }

  .selector-shell {
    grid-template-columns: 1fr;
  }

  .result-card {
    min-height: 0;
  }

  .sales-script {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .section {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .answer-grid,
  .metric-grid,
  .evidence-levels {
    grid-template-columns: 1fr 1fr;
  }

  .answer-card:last-child,
  .metric-card:last-child {
    grid-column: 1 / -1;
  }

  .protocol-panel {
    grid-template-columns: 1fr;
  }

  .protocol-note {
    order: -1;
  }

  .audience-grid,
  .downloads,
  .version-grid,
  .product-glossary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    width: calc(100% - 20px);
    min-height: 60px;
    margin-top: 10px;
    padding-left: 13px;
  }

  .brand small,
  .print-button {
    display: none;
  }

  .brand strong {
    font-size: 0.9rem;
  }

  .hero {
    margin-top: -80px;
    padding: 142px 20px 72px;
    gap: 44px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.4rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .product-stage {
    display: block;
    min-height: 0;
  }

  .stage-card {
    padding: 21px;
  }

  .stage-card-resin,
  .stage-card-rmgi {
    margin: 0;
  }

  .stage-card-rmgi {
    margin-top: 16px;
  }

  .stage-card img {
    height: 230px;
  }

  .section,
  .selector-section,
  .protocol-section,
  .evidence-section {
    width: 100%;
    padding-right: 20px;
    padding-left: 20px;
  }

  .section-heading h2,
  .version-alert h2 {
    font-size: 2rem;
  }

  .answer-grid,
  .metric-grid,
  .evidence-levels,
  .audience-grid,
  .objection-grid {
    grid-template-columns: 1fr;
  }

  .answer-card:last-child,
  .metric-card:last-child {
    grid-column: auto;
  }

  .material-grid,
  .condition-grid {
    grid-template-columns: 1fr;
  }

  .choice span {
    min-height: 52px;
  }

  .result-card {
    padding: 24px;
  }

  .protocol-switch,
  .audience-switch {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .protocol-switch button,
  .audience-switch button {
    padding: 9px 8px;
    font-size: 0.82rem;
  }

  .timeline li {
    grid-template-columns: 43px 1fr;
    gap: 12px;
  }

  .timeline > li > span {
    width: 38px;
    height: 38px;
  }

  .workflow-gallery {
    grid-template-columns: 1fr;
  }

  .workflow-figure figcaption {
    align-items: flex-start;
    flex-direction: column;
  }

  .downloads {
    padding: 25px;
  }

  .download-columns {
    grid-template-columns: 1fr;
  }

  .version-alert {
    width: calc(100% - 40px);
    padding: 26px;
  }

  .site-footer {
    padding-right: 20px;
    padding-left: 20px;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .selector-form,
  .protocol-switch,
  .audience-switch,
  .site-footer {
    display: none !important;
  }

  .hero,
  .selector-section,
  .protocol-section,
  .evidence-section {
    background: #fff !important;
    color: #000 !important;
  }

  .hero {
    min-height: 0;
    margin: 0;
    padding: 20px 0;
    grid-template-columns: 1fr;
  }

  .product-stage {
    display: none;
  }

  .section {
    width: 100%;
    padding: 28px 0;
    break-inside: avoid;
  }

  .selector-shell {
    display: block;
  }

  .result-card {
    border: 2px solid #000;
    box-shadow: none;
  }

  .comparison-table-wrap,
  .answer-card,
  .metric-card {
    box-shadow: none;
  }

  a {
    text-decoration: none;
  }
}