:root {
  --ink: #041c2c;
  --ink-soft: #2a4a5c;
  --teal: #0f7a82;
  --teal-bright: #1aa0aa;
  --teal-deep: #0a555c;
  --mist: #e8f4f5;
  --paper: #f5fafb;
  --line: rgba(4, 28, 44, 0.1);
  --gold: #c4a35a;
  --coral: #e07a5f;
  --white: #ffffff;
  --shadow: 0 28px 70px rgba(4, 28, 44, 0.1);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", "Helvetica Neue", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%, rgba(26, 160, 170, 0.18), transparent 58%),
    radial-gradient(900px 480px at 100% 0%, rgba(224, 122, 95, 0.08), transparent 52%),
    linear-gradient(180deg, #f7fcfc 0%, var(--mist) 48%, #eef6f7 100%);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
.hero-brand,
.footer-brand,
.brand-mark {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

h1 {
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 0.85rem 0 1rem;
  max-width: 28ch;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.75rem);
  margin: 0.4rem 0 0.85rem;
  max-width: 18ch;
}

h3 {
  font-size: 1.35rem;
  margin: 0 0 0.55rem;
}

p {
  margin: 0;
}

.eyebrow {
  margin: 0;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-lede {
  max-width: 52ch;
  color: var(--ink-soft);
}

.section-rule {
  margin-bottom: 2.75rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(247, 250, 251, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.brand-mark {
  font-size: 1.2rem;
  color: var(--white);
  transition: color 0.3s var(--ease);
}

.site-header.is-scrolled .brand-mark,
.site-header.is-scrolled .nav a {
  color: var(--ink);
}

.nav {
  display: flex;
  gap: 1.35rem;
}

.nav a {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.25s var(--ease);
}

.nav a:hover,
.nav-cta:hover {
  opacity: 0.82;
}

.nav-cta {
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: var(--white);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.62rem 1rem;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.site-header.is-scrolled .nav-cta {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 6px auto;
  background: currentColor;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: clamp(6rem, 14vw, 9rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 7vw, 5rem);
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 18%;
  transform: scale(1.04);
  animation: hero-zoom 18s var(--ease) infinite alternate;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 32, 51, 0.45) 0%, rgba(7, 32, 51, 0.25) 38%, rgba(7, 32, 51, 0.88) 100%),
    linear-gradient(90deg, rgba(7, 32, 51, 0.78) 0%, rgba(7, 32, 51, 0.42) 48%, rgba(7, 32, 51, 0.18) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  animation: rise 1s var(--ease) both;
}

.hero-brand {
  font-size: clamp(3rem, 7.5vw, 5.4rem);
  margin: 0;
  color: var(--white);
  max-width: 12ch;
}

.hero-lede {
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-bright) 0%, var(--teal-deep) 100%);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-deep);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

/* Signal bar */
.signal-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  padding: 1.75rem clamp(1.25rem, 4vw, 3rem);
  background:
    linear-gradient(115deg, #041c2c 0%, #0a555c 48%, #0f7a82 100%);
  color: rgba(255, 255, 255, 0.78);
}

.signal-bar strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.signal-bar span {
  font-size: 0.84rem;
}

/* Sections */
.authority,
.services,
.modalities,
.tools,
.consult,
.impact {
  padding: clamp(4.5rem, 9vw, 7rem) clamp(1.25rem, 4vw, 3rem);
}

.impact {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, rgba(4, 28, 44, 0.04) 100%);
  border-block: 1px solid rgba(15, 122, 130, 0.1);
}

.impact-layout {
  max-width: 1120px;
  margin: 0 auto;
}

.impact-intro {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.impact-card {
  padding: 1.35rem 1.4rem;
  border-radius: 1rem;
  background: var(--white);
  border: 1px solid rgba(15, 122, 130, 0.12);
  box-shadow: 0 12px 40px rgba(4, 28, 44, 0.06);
}

.impact-card--patent {
  background:
    linear-gradient(145deg, rgba(15, 122, 130, 0.12) 0%, rgba(255, 255, 255, 0.95) 55%);
  border-color: rgba(15, 122, 130, 0.22);
}

.impact-label {
  margin: 0 0 0.5rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.impact-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
}

.impact-card p {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.impact-link {
  display: inline-block;
  margin-top: 0.85rem;
  color: var(--teal-deep);
  font-size: 0.9rem;
  font-weight: 600;
}

.impact-link:hover {
  color: var(--teal-bright);
}

.impact-columns {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  padding-top: 0.5rem;
}

.impact-regions h3,
.impact-publications h3 {
  font-size: 1.2rem;
  margin-bottom: 1.1rem;
}

.region-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.region-list li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.region-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.region-list span {
  color: var(--ink);
  font-weight: 600;
}

.pub-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.pub-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.pub-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.pub-list a {
  display: block;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.35rem;
}

.pub-list a:hover {
  color: var(--teal-deep);
}

.pub-list span {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.services {
  position: relative;
  background:
    linear-gradient(180deg, rgba(26, 160, 170, 0.1) 0%, rgba(232, 244, 245, 0.9) 100%);
  border-block: 1px solid rgba(15, 122, 130, 0.12);
}

.services .service-num {
  color: var(--teal-bright);
}

.modalities {
  background:
    radial-gradient(900px 420px at 90% 10%, rgba(26, 160, 170, 0.22), transparent 55%),
    linear-gradient(160deg, #041c2c 0%, #0a3d48 55%, #0a555c 100%);
  color: var(--white);
}

.modalities .eyebrow {
  color: #7ed6de;
}

.modalities h2 {
  color: var(--white);
}

.modalities .modality {
  border-top-color: rgba(255, 255, 255, 0.14);
}

.modalities .modality:last-child {
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.modalities .modality p {
  color: rgba(255, 255, 255, 0.72);
}

.modalities .modality span {
  color: #7ed6de;
}

.tools {
  position: relative;
  padding-top: clamp(4.5rem, 9vw, 7rem);
  background:
    radial-gradient(700px 340px at 0% 20%, rgba(224, 122, 95, 0.1), transparent 50%),
    radial-gradient(800px 380px at 100% 80%, rgba(26, 160, 170, 0.16), transparent 55%),
    linear-gradient(180deg, #f2fbfb 0%, #e5f3f4 100%);
}

.tools .tool-tabs {
  background: rgba(15, 122, 130, 0.12);
}

.tools .tool-tab.is-active {
  background: var(--teal-deep);
  color: var(--white);
  box-shadow: none;
}

.consult {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(26, 160, 170, 0.08) 100%);
}

.consult-panel {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 122, 130, 0.14);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.authority-layout {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.portrait-slot {
  position: sticky;
  top: 6rem;
}

.portrait-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(31, 111, 120, 0.28), rgba(7, 32, 51, 0.08)),
    var(--mist);
}

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

.portrait-img.is-missing {
  display: none;
}

.portrait-fallback {
  display: none;
  position: absolute;
  inset: 0;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
  color: var(--ink-soft);
}

.portrait-fallback.is-visible {
  display: grid;
}

.portrait-fallback p:first-child {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
}

.portrait-path {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  opacity: 0.8;
}

.portrait-caption {
  margin-top: 0.85rem;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.authority .section-rule {
  margin-bottom: 2rem;
}

.authority-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 2.25rem;
}

.authority-block {
  padding: 1.1rem 0 0.35rem;
  border-top: 1px solid var(--line);
}

.authority-block h3 {
  margin-bottom: 0.45rem;
}

.authority-block p {
  color: var(--ink-soft);
  max-width: 42ch;
}

.authority-block.highlight {
  border-top-color: var(--coral);
}

.authority-block.highlight h3 {
  color: var(--teal-deep);
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.service-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}

.service-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.service-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--teal);
}

.service-list p {
  color: var(--ink-soft);
  max-width: 60ch;
}

.modality-rows {
  display: grid;
  gap: 1rem;
}

.modality {
  display: grid;
  grid-template-columns: 1.2fr 1.6fr auto;
  gap: 1.25rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}

.modality:last-child {
  border-bottom: 1px solid var(--line);
}

.modality p {
  color: var(--ink-soft);
}

.modality span {
  color: var(--teal);
  font-size: 0.86rem;
  font-weight: 600;
  white-space: nowrap;
}

.modalities .modality span {
  color: #7ed6de;
}

.tools-head {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  padding: 0.3rem;
  width: fit-content;
  max-width: 100%;
  background: rgba(7, 32, 51, 0.05);
  border-radius: 999px;
}

.tool-tab {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
}

.tool-tab.is-active {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(7, 32, 51, 0.08);
}

.tool-panel[hidden] {
  display: none !important;
}

.tool-formula {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-family: var(--font-display);
}

.calculator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 122, 130, 0.14);
  border-radius: 1.15rem;
  box-shadow: var(--shadow);
}

.calc-unit {
  margin-left: 0.4rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink-soft);
  vertical-align: middle;
}

.calc-breakdown {
  display: grid;
  gap: 0.55rem;
  margin: 0.85rem 0 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.calc-breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.calc-breakdown strong {
  color: var(--ink);
  font-weight: 600;
}

.calc-inputs {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.calc-inputs label,
.sample-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.input-with-unit {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.calc-inputs input,
.calc-inputs select,
.sample-form input,
.sample-form select,
.sample-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  padding: 0.85rem 0.95rem;
}

.unit-fixed {
  display: inline-flex;
  align-items: center;
  padding: 0 0.85rem;
  border-radius: 0.8rem;
  background: var(--mist);
  color: var(--ink-soft);
  font-size: 0.86rem;
  white-space: nowrap;
}

.calc-output {
  padding: 1.25rem 1.35rem;
  border-radius: 1rem;
  background: var(--mist);
  border: 1px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.calc-output.is-alert {
  background: rgba(165, 70, 61, 0.08);
  border-color: rgba(165, 70, 61, 0.28);
}

.calc-output.is-ok {
  background: rgba(31, 111, 120, 0.08);
  border-color: rgba(31, 111, 120, 0.22);
}

.calc-ratio-label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.calc-ratio-value {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  line-height: 1;
  margin: 0.45rem 0 0.85rem;
}

.calc-status {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.calc-status.is-alert {
  color: #8a3a32;
}

.calc-status.is-ok {
  color: var(--teal);
}

.calc-guidance {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.calc-guidance li + li {
  margin-top: 0.4rem;
}

.intake {
  margin-top: 2rem;
}

.intake-progress {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.intake-progress span {
  width: 2.4rem;
  height: 0.28rem;
  border-radius: 999px;
  background: rgba(7, 32, 51, 0.12);
}

.intake-progress span.is-active,
.intake-progress span.is-done {
  background: var(--teal-bright);
}

.intake-step h3 {
  margin-bottom: 1rem;
}

.choice-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.choice-btn {
  min-height: 64px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.choice-btn:hover {
  border-color: var(--teal-bright);
  transform: translateY(-1px);
}

.disclaimer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--white);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.disclaimer input {
  margin-top: 0.2rem;
}

.step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn-ghost-dark {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.form-error {
  margin-top: 1rem;
  color: #8a3a32;
  font-size: 0.95rem;
}

.sample-form {
  margin-top: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.1rem;
}

.sample-form label.full {
  grid-column: 1 / -1;
}

.sample-form input:focus,
.sample-form select:focus,
.sample-form textarea:focus,
.calc-inputs input:focus,
.calc-inputs select:focus {
  outline: 2px solid rgba(47, 143, 150, 0.35);
  border-color: var(--teal-bright);
}

.sample-form .btn,
.step-actions .btn {
  border: 0;
  cursor: pointer;
}

.form-note {
  margin-top: 1rem;
  color: var(--teal);
  font-size: 0.95rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2.25rem clamp(1.25rem, 4vw, 3rem) 2.75rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.footer-brand {
  color: var(--ink);
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.footer-domain {
  margin-top: 0.35rem;
}

.footer-domain a {
  color: var(--teal);
  font-weight: 500;
}

.footer-legal {
  max-width: 38ch;
  display: grid;
  gap: 0.35rem;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-zoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.1);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .nav,
  .nav-cta {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0.95rem 1.15rem;
  }

  .nav-toggle {
    display: block;
    color: var(--white);
  }

  .site-header.is-scrolled .nav-toggle {
    color: var(--ink);
  }

  .site-header.is-open {
    background: rgba(247, 250, 251, 0.96);
    backdrop-filter: blur(14px);
  }

  .site-header.is-open .brand-mark,
  .site-header.is-open .nav-toggle {
    color: var(--ink);
  }

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

  .site-header.is-open {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto auto;
  }

  .site-header.is-open .nav {
    grid-column: 1 / -1;
    flex-direction: column;
    gap: 0.85rem;
    padding: 0.85rem 0 0.35rem;
  }

  .site-header.is-open .nav a {
    color: var(--ink);
    padding: 0.35rem 0;
  }

  .site-header.is-open .nav-cta {
    grid-column: 1 / -1;
    justify-self: start;
    color: var(--ink);
    border-color: var(--line);
    background: var(--white);
    margin-top: 0.35rem;
  }

  .hero {
    min-height: 92svh;
    align-items: end;
    padding: 5.5rem 1.15rem 2.5rem;
  }

  .hero-media img {
    object-position: 70% 16%;
  }

  .hero-brand {
    max-width: 10ch;
  }

  .signal-bar {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1.25rem 1.15rem;
  }

  .authority,
  .services,
  .modalities,
  .tools,
  .consult,
  .impact {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }

  .impact-grid,
  .impact-columns,
  .authority-layout,
  .authority-grid,
  .calculator,
  .choice-row,
  .sample-form {
    grid-template-columns: 1fr;
  }

  .portrait-slot {
    position: static;
    max-width: 280px;
  }

  .tool-tabs {
    border-radius: 1rem;
    width: 100%;
  }

  .tool-tab {
    flex: 1 1 auto;
    text-align: center;
    padding: 0.6rem 0.75rem;
    font-size: 0.84rem;
  }

  .calculator {
    padding: 1.15rem;
    gap: 1.15rem;
  }

  .modality {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .step-actions {
    width: 100%;
  }

  .step-actions .btn {
    flex: 1 1 auto;
  }

  h1 {
    max-width: 22ch;
  }

  h2 {
    max-width: 16ch;
  }
}

@media (max-width: 560px) {
  .signal-bar {
    grid-template-columns: 1fr;
  }

  .region-list li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .choice-row {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    width: 100%;
  }

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

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}