:root {
  --bg: #000005;
  --panel: rgba(13, 22, 43, 0.88);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --primary: #16254a;
  --muted: #9aa1b0;
  --text: #ffffff;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.32);
  --radius: 24px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(22, 37, 74, 0.88), transparent 32%),
    radial-gradient(circle at 100% 20%, rgba(154, 161, 176, 0.18), transparent 24%),
    linear-gradient(180deg, #03050e 0%, var(--bg) 100%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

p,
li {
  color: var(--muted);
  line-height: 1.7;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(1, 3, 10, 0.74);
  border-bottom: 1px solid var(--line);
}

.shell--header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand__symbol {
  width: 36px;
  height: auto;
}

.brand__wordmark {
  width: 190px;
  height: auto;
}

.brand--footer .brand__wordmark {
  width: 170px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav__link {
  padding: 11px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition:
    background 0.16s ease,
    color 0.16s ease,
    transform 0.16s ease;
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero,
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 32px;
  padding: 64px 0 28px;
  align-items: center;
}

.hero__copy h1,
.page-hero__copy h1 {
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  max-width: 12ch;
}

.lead {
  max-width: 68ch;
  margin-top: 18px;
  font-size: 1.08rem;
}

.eyebrow,
.guide-card__eyebrow {
  margin: 0 0 14px;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 800;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 26px;
}

.search-form input,
.filter-input,
.calculator-grid input,
.calculator-grid select,
.calc-field input,
.calc-field select {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
}

.search-form input::placeholder,
.filter-input::placeholder,
.calc-field input::placeholder {
  color: rgba(154, 161, 176, 0.8);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 0.16s ease,
    background 0.16s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: linear-gradient(135deg, #22386f, #16254a);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.03);
}

.hero-brand-card,
.stat-card,
.category-card,
.guide-card,
.info-card,
.sidebar-card,
.article-panel,
.calculator-card,
.notice-block,
.centered-block,
.page-hero__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-brand-card {
  padding: 28px;
}

.hero-brand-card img {
  width: 56px;
  margin-bottom: 18px;
}

.hero__stack {
  display: grid;
  gap: 18px;
}

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

.stat-card {
  padding: 22px;
}

.stat-card strong {
  display: block;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-family: "Space Grotesk", sans-serif;
}

.stat-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section-block {
  padding: 28px;
  margin: 18px auto 0;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.9rem);
}

.category-grid,
.guide-grid,
.copy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.category-card,
.info-card {
  padding: 24px;
}

.category-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.guide-card {
  overflow: hidden;
}

.guide-card__image {
  display: block;
  aspect-ratio: 1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.guide-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-card__body {
  padding: 22px;
}

.guide-card__body h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  color: var(--text);
  font-weight: 700;
}

.text-link::after {
  content: "→";
  margin-left: 8px;
}

.split-callout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
}

.info-stack {
  display: grid;
  gap: 18px;
}

.notice-block {
  display: grid;
  place-items: center;
  text-align: center;
}

.page-hero__media {
  padding: 18px;
}

.page-hero__media img {
  width: min(100%, 420px);
  margin: 0 auto;
}

.section-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.article-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
  padding: 6px 0 0;
}

.article-layout--wide {
  grid-template-columns: minmax(0, 1fr);
}

.guide-sidebar {
  position: sticky;
  top: 102px;
  align-self: start;
  display: grid;
  gap: 16px;
}

.sidebar-card {
  padding: 22px;
}

.sidebar-card img {
  margin-bottom: 16px;
  border-radius: 18px;
}

.sidebar-card h2,
.sidebar-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.guide-flow {
  display: grid;
  gap: 18px;
}

.article-panel {
  padding: 24px;
}

.article-panel h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  margin-bottom: 12px;
}

.article-panel h3 {
  margin-top: 16px;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.article-panel p,
.article-panel ul,
.article-panel ol {
  margin: 0 0 14px;
}

.article-panel ul,
.article-panel ol {
  padding-left: 20px;
}

.article-panel table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.article-panel th,
.article-panel td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-panel th {
  color: var(--text);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.article-panel .table-responsive {
  overflow-x: auto;
}

.article-panel a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.24);
}

.toc-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.toc-list a {
  color: var(--muted);
}

.toc-list a.is-active,
.toc-list a:hover {
  color: var(--text);
}

.toc-list__sub {
  padding-left: 14px;
}

.calculator-card {
  padding: 24px;
}

.calculator-card--visual {
  padding: clamp(24px, 4vw, 34px);
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.calculator-grid label span {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
}

.calculator-intro {
  max-width: 72ch;
  margin-bottom: 26px;
}

.calculator-intro h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 14px;
}

.calculator-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.calc-selector-card,
.calculator-results,
.calculator-note,
.calc-stat {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.calc-selector-card {
  padding: 22px;
}

.calc-selector-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.calc-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.calc-chip {
  appearance: none;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease,
    box-shadow 0.16s ease;
}

.calc-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.28);
}

.calc-chip.is-active {
  background: linear-gradient(135deg, #22386f, #16254a);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: 0 14px 28px rgba(10, 17, 35, 0.34);
}

.calc-custom-row {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.calc-custom-row--single {
  grid-template-columns: 1fr;
}

.calc-custom-row--with-unit {
  grid-template-columns: minmax(0, 1fr) 140px;
}

.calc-custom-row.is-filled .calc-field input {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.calc-field span {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
}

.calculator-results {
  margin-top: 26px;
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(154, 161, 176, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.calculator-results__head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.calculator-results__head h3 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.calculator-results__head p {
  max-width: 62ch;
  margin: 0;
}

.calculator-results__head strong,
.calc-stat strong,
.calculator-note strong,
.syringe-callout strong {
  color: var(--text);
}

.calc-results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.calc-stat {
  padding: 18px;
}

.calc-stat span,
.calculator-note span {
  display: block;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  font-weight: 800;
}

.calc-stat strong,
.calculator-note strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.2rem, 2vw, 1.85rem);
  font-family: "Space Grotesk", sans-serif;
}

.syringe-stage {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
}

.syringe-stage__copy {
  max-width: 42rem;
}

.syringe-stage__copy h3 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 8px;
}

.syringe-visual {
  --draw-scale: 0;
  margin-top: 24px;
}

.syringe-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.syringe-progress-track {
  fill: #ffffff;
}

.syringe-progress-fill {
  fill: #7f98ee;
  transform-origin: left center;
  transform-box: fill-box;
  transform: scaleX(var(--draw-scale));
  transition: transform 0.6s ease;
}

.syringe-needle-line,
.syringe-hub-block,
.syringe-barrel-outline,
.syringe-plunger-rod,
.syringe-plunger-block,
.syringe-plunger-cap {
  fill: #000000;
  stroke: #000000;
}

.syringe-needle-line {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
}

.syringe-barrel-outline {
  fill: none;
  stroke-width: 18;
}

.syringe-barrel-highlight {
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 4;
  stroke-linecap: round;
}

.syringe-mark,
.syringe-end-guide {
  stroke: #31356f;
  stroke-width: 4;
  stroke-linecap: square;
}

.syringe-mark--major {
  stroke-width: 5;
}

.syringe-number {
  fill: #31356f;
  font-family: "Space Grotesk", sans-serif;
  font-size: 28px;
  font-weight: 700;
}

.syringe-callout {
  margin: 18px 0 0;
  font-size: 1.02rem;
  text-align: center;
}

.calc-warning {
  margin: 14px 0 0;
  color: #ffffff;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 16px;
}

.calculator-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.calculator-note {
  padding: 18px;
}

.calc-results {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.centered-block {
  text-align: center;
  padding: 70px 28px;
}

.empty-state {
  margin-top: 16px;
  text-align: center;
}

.page-calculator .calculator-card--visual {
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.97), rgba(238, 243, 252, 0.95));
  border-color: rgba(22, 37, 74, 0.08);
  box-shadow: 0 28px 72px rgba(6, 12, 25, 0.18);
}

.page-calculator .calculator-intro h2,
.page-calculator .calc-selector-head h2,
.page-calculator .calculator-results__head h3,
.page-calculator .calc-stat strong,
.page-calculator .calculator-note strong,
.page-calculator .syringe-stage__copy h3,
.page-calculator .syringe-callout,
.page-calculator .syringe-callout strong,
.page-calculator .calculator-section--support h3,
.page-calculator .calculator-section--support .text-link {
  color: #16254a;
}

.page-calculator .calculator-card--visual .eyebrow,
.page-calculator .calculator-section--support .eyebrow,
.page-calculator .calc-field span {
  color: #16254a;
}

.page-calculator .calculator-intro p,
.page-calculator .calc-selector-head p,
.page-calculator .calculator-results__head p,
.page-calculator .calc-stat span,
.page-calculator .calculator-note span,
.page-calculator .syringe-stage__copy p,
.page-calculator .calculator-section--support p {
  color: #5d6986;
}

.page-calculator .calc-selector-card,
.page-calculator .calculator-results,
.page-calculator .calc-stat,
.page-calculator .calculator-note,
.page-calculator .syringe-stage,
.page-calculator .calculator-section--support .info-card {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(22, 37, 74, 0.1);
  box-shadow: 0 14px 28px rgba(8, 14, 28, 0.08);
}

.page-calculator .calc-chip {
  background: #ffffff;
  border-color: rgba(22, 37, 74, 0.14);
  color: #16254a;
}

.page-calculator .calc-chip:hover {
  border-color: rgba(74, 111, 216, 0.34);
  box-shadow: 0 10px 18px rgba(74, 111, 216, 0.12);
}

.page-calculator .calc-chip.is-active {
  background: linear-gradient(135deg, #6c8ff0, #3558c8);
  border-color: #3558c8;
  box-shadow: 0 14px 28px rgba(53, 88, 200, 0.24);
  color: #ffffff;
}

.page-calculator .calc-field input,
.page-calculator .calc-field select {
  background: #ffffff;
  border-color: rgba(22, 37, 74, 0.14);
  color: #16254a;
}

.page-calculator .calc-field input::placeholder {
  color: rgba(53, 88, 200, 0.62);
}

.page-calculator .calc-custom-row.is-filled .calc-field input {
  background: #ffffff;
  border-color: rgba(53, 88, 200, 0.36);
}

.page-calculator .calc-warning {
  color: #16254a;
  border-color: rgba(53, 88, 200, 0.24);
  background: rgba(127, 152, 238, 0.16);
}

.site-footer {
  margin-top: 40px;
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-grid a {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

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

.footer-title {
  font-size: 1rem;
  margin-bottom: 10px;
}

.footer-copy {
  max-width: 32ch;
  margin-top: 12px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1100px) {
  .calculator-selector-grid,
  .calc-results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(2, 5, 14, 0.96);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero,
  .page-hero,
  .split-callout,
  .article-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .guide-sidebar {
    position: static;
  }

  .category-grid,
  .guide-grid,
  .copy-grid,
  .calculator-selector-grid,
  .calc-results-grid,
  .calculator-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(var(--max-width), calc(100% - 20px));
  }

  .hero,
  .page-hero {
    padding-top: 34px;
  }

  .search-form,
  .calculator-grid,
  .category-grid,
  .guide-grid,
  .copy-grid,
  .stat-grid,
  .calculator-selector-grid,
  .calc-results-grid,
  .calculator-notes,
  .calc-custom-row--with-unit {
    grid-template-columns: 1fr;
  }

  .section-block,
  .article-panel,
  .sidebar-card,
  .category-card,
  .info-card,
  .guide-card__body,
  .calculator-card,
  .calc-selector-card,
  .calculator-results,
  .syringe-stage {
    padding: 20px;
  }

  .brand__wordmark {
    width: 150px;
  }

  .syringe-visual {
    margin-top: 18px;
  }

  .syringe-number {
    font-size: 18px;
  }

  .syringe-mark,
  .syringe-end-guide {
    stroke-width: 3;
  }

  .syringe-mark--major {
    stroke-width: 4;
  }
}

@media (max-width: 700px) {
  .page-calculator main .shell {
    width: min(var(--max-width), calc(100% - 12px));
  }

  .page-calculator .page-hero {
    gap: 18px;
    padding-top: 24px;
    padding-bottom: 6px;
  }

  .page-calculator .page-hero__media {
    display: none;
  }

  .page-calculator .page-hero__copy h1 {
    max-width: 10ch;
  }

  .page-calculator .hero__actions {
    gap: 10px;
  }

  .page-calculator .hero__actions .button {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-calculator .calculator-section {
    padding: 12px 0 0;
    margin-top: 10px;
  }

  .page-calculator .calculator-card--visual {
    padding: 14px;
    border-radius: 20px;
  }

  .page-calculator .calculator-intro {
    margin-bottom: 18px;
  }

  .page-calculator .calculator-intro h2 {
    font-size: clamp(1.85rem, 8vw, 2.45rem);
    margin-bottom: 10px;
  }

  .page-calculator .calculator-intro p,
  .page-calculator .calc-selector-head p,
  .page-calculator .calculator-results__head p,
  .page-calculator .syringe-stage__copy p,
  .page-calculator .calculator-section--support p {
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .page-calculator .calculator-selector-grid {
    gap: 12px;
  }

  .page-calculator .calc-selector-card,
  .page-calculator .calculator-results {
    padding: 14px;
    border-radius: 18px;
  }

  .page-calculator .calc-selector-head h2 {
    font-size: clamp(1.35rem, 6vw, 1.7rem);
    margin-bottom: 6px;
  }

  .page-calculator .calc-chip-grid {
    gap: 8px;
    margin-top: 12px;
  }

  .page-calculator .calc-chip {
    min-height: 42px;
    padding: 9px 12px;
    font-size: 0.95rem;
  }

  .page-calculator .calc-custom-row {
    gap: 10px;
    margin-top: 12px;
  }

  .page-calculator .calc-field input,
  .page-calculator .calc-field select {
    padding: 13px 14px;
    border-radius: 14px;
    font-size: 0.95rem;
  }

  .page-calculator .calculator-results {
    margin-top: 18px;
  }

  .page-calculator .calculator-results__head {
    gap: 10px;
  }

  .page-calculator .calculator-results__head h3 {
    font-size: clamp(1.35rem, 6vw, 1.75rem);
  }

  .page-calculator .calc-results-grid {
    gap: 10px;
    margin-top: 14px;
  }

  .page-calculator .calc-stat,
  .page-calculator .calculator-note {
    padding: 14px;
    border-radius: 16px;
  }

  .page-calculator .calc-stat strong,
  .page-calculator .calculator-note strong {
    margin-top: 8px;
    font-size: clamp(1rem, 5vw, 1.2rem);
  }

  .page-calculator .syringe-stage {
    margin-top: 16px;
    padding: 16px 12px;
    border-radius: 20px;
  }

  .page-calculator .syringe-stage__copy h3 {
    font-size: clamp(1.25rem, 6vw, 1.65rem);
  }

  .page-calculator .syringe-visual {
    margin-top: 14px;
  }

  .page-calculator .syringe-number {
    font-size: 14px;
  }

  .page-calculator .syringe-mark,
  .page-calculator .syringe-end-guide {
    stroke-width: 2.5;
  }

  .page-calculator .syringe-mark--major {
    stroke-width: 3.5;
  }

  .page-calculator .syringe-callout {
    margin-top: 12px;
    font-size: 0.94rem;
  }

  .page-calculator .calc-warning {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .page-calculator .calculator-notes {
    gap: 10px;
    margin-top: 14px;
  }

  .page-calculator .calculator-section--support .copy-grid {
    gap: 12px;
  }

  .page-calculator .calculator-section--support .info-card {
    padding: 18px;
  }
}

@media (max-width: 420px) {
  .page-calculator .page-hero__copy h1 {
    font-size: clamp(2rem, 11vw, 2.75rem);
  }

  .page-calculator .calc-chip {
    min-height: 40px;
    padding: 8px 11px;
    font-size: 0.9rem;
  }

  .page-calculator .calculator-card--visual,
  .page-calculator .calc-selector-card,
  .page-calculator .calculator-results {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-calculator .syringe-stage {
    padding-left: 10px;
    padding-right: 10px;
  }
}