@font-face {
  font-family: "Barlow";
  src: url("assets/fonts/barlow-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("assets/fonts/barlow-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("assets/fonts/barlow-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("assets/fonts/barlow-semi-condensed-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("assets/fonts/barlow-semi-condensed-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --brand-blue: oklch(21.26% 0.087 263.84);
  --brand-orange: oklch(70.32% 0.1887 47.96);
  --navy: var(--brand-blue);
  --navy-soft: oklch(31% 0.075 263.84);
  --steel: oklch(52% 0.035 263.84);
  --steel-dark: oklch(40% 0.045 263.84);
  --muted: oklch(43% 0.032 263.84);
  --line: oklch(88% 0.014 263.84);
  --line-strong: oklch(75% 0.022 263.84);
  --canvas: oklch(97% 0.009 263.84);
  --surface: oklch(99.5% 0.003 263.84);
  --surface-soft: oklch(95% 0.016 263.84);
  --text-on-blue-muted: oklch(88% 0.025 263.84);
  --water-line: oklch(84% 0.045 241);
  --water-line-strong: oklch(91% 0.035 241);
  --accent: var(--brand-orange);
  --accent-soft: oklch(88% 0.065 47.96);
  --action: var(--brand-orange);
  --action-hover: oklch(64% 0.18 47.96);
  --action-text: oklch(48% 0.15 47.96);
  --error: oklch(47% 0.18 25);
  --success: oklch(43% 0.11 150);
  --focus: var(--brand-orange);

  --font-body: "Barlow", "Segoe UI", sans-serif;
  --font-display: "Barlow Semi Condensed", "Arial Narrow", sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --section-space: clamp(3.75rem, 6.5vw, 6.5rem);
  --shell: min(100% - 2rem, 82rem);

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-pill: 999px;

  --z-sticky: 30;
  --z-menu: 40;
  --z-companion: 50;
  --z-skip: 60;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  color-scheme: light;
}

@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: page-out 180ms ease-in both;
}

::view-transition-new(root) {
  animation: page-in 360ms var(--ease-out) both;
}

.brand {
  view-transition-name: irymsa-brand;
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-width: 12.5ch;
  margin-bottom: var(--space-lg);
  font-size: clamp(3.15rem, 6vw, 5.75rem);
}

h2 {
  max-width: 16ch;
  margin-bottom: var(--space-lg);
  font-size: clamp(2.4rem, 4.3vw, 4.35rem);
}

h3 {
  margin-bottom: var(--space-sm);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: -0.02em;
}

h4 {
  margin-bottom: var(--space-xs);
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}

p {
  text-wrap: pretty;
}

address {
  font-style: normal;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
}

.skip-link {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: var(--z-skip);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--navy);
  color: var(--surface);
  transform: translateY(-180%);
  transition: transform 180ms var(--ease-out);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  min-height: 4.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.header-inner {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  width: 11.5rem;
  height: 3.25rem;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: flex-start;
  min-height: 2.75rem;
  overflow: hidden;
}

.brand img {
  width: 11.7rem;
  max-width: none;
  height: auto;
  transform: translate(-0.35rem, -1.6rem);
  mix-blend-mode: multiply;
}

.primary-nav {
  display: none;
}

.primary-nav a:not(.button) {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--navy-soft);
  font-weight: 500;
  text-decoration: none;
  transition: color 180ms var(--ease-out);
}

.primary-nav a:not(.button):hover,
.primary-nav a:not(.button):focus-visible {
  color: var(--action-text);
}

.primary-nav a[aria-current="page"]:not(.button) {
  color: var(--action-text);
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
}

.nav-toggle {
  min-width: 4.7rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle-lines {
  width: 1.1rem;
  display: grid;
  gap: 0.3rem;
}

.nav-toggle-lines span {
  height: 2px;
  border-radius: var(--radius-pill);
  background: currentColor;
  transition: transform 220ms var(--ease-out);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:first-child {
  transform: translateY(0.2rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:last-child {
  transform: translateY(-0.2rem) rotate(-45deg);
}

.primary-nav.is-open {
  position: fixed;
  inset: 4.5rem 0 auto;
  z-index: var(--z-menu);
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.primary-nav.is-open a:not(.button) {
  min-height: 3.25rem;
  padding-inline: 0.5rem;
}

.primary-nav.is-open .nav-cta {
  width: 100%;
  margin-top: 0.5rem;
}

.button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color 180ms var(--ease-out), background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 100ms var(--ease-out);
}

.button:active {
  transform: translateY(1px) scale(0.98);
}

.button-primary {
  background: var(--action);
  color: var(--navy);
}

.button-primary:hover {
  background: var(--action-hover);
}

.button-secondary {
  border-color: var(--navy);
  background: var(--surface);
  color: var(--navy);
}

.button-secondary:hover {
  background: var(--navy);
  color: var(--surface);
}

.hero {
  position: relative;
  padding-top: clamp(1.5rem, 3vw, 3rem);
}

.hero-grid {
  min-height: calc(100dvh - 11rem);
  display: grid;
  align-items: center;
  gap: var(--space-2xl);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.kicker {
  margin-bottom: var(--space-md);
  color: var(--action-text);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-lead {
  max-width: 34rem;
  margin-bottom: var(--space-xl);
  color: var(--steel-dark);
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-media {
  position: relative;
  min-height: min(63vh, 43rem);
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  isolation: isolate;
}

.hero-media img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  object-position: 62% center;
}

.hero-base-image {
  filter: saturate(0.55) contrast(0.96);
}

.hero-scan-image {
  z-index: 1;
  clip-path: inset(0 100% 0 0);
  filter: saturate(1.04) contrast(1.02);
}

.system-scan {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  border-right: 2px solid var(--brand-orange);
  color: var(--surface);
  transform: translateX(-100%);
}

.system-scan span {
  position: absolute;
  top: 1rem;
  right: 0.75rem;
  padding: 0.35rem 0.55rem;
  background: var(--navy);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.field-note {
  margin: 0;
  padding: 0.8rem 0.95rem;
  background: var(--navy);
  color: var(--surface);
  font-size: 0.82rem;
  line-height: 1.25;
}

.field-note span,
.field-note strong {
  display: block;
}

.field-note span {
  color: var(--accent-soft);
  font-weight: 500;
}

.field-note strong {
  margin-top: 0.18rem;
  font-family: var(--font-display);
  font-size: 1rem;
}

.hero-field-note {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 3;
  max-width: calc(100% - 2rem);
}

.route {
  pointer-events: none;
  position: absolute;
  z-index: 2;
  color: var(--accent);
}

.route-hero {
  right: 6%;
  bottom: 12%;
  width: 58%;
  height: 24%;
  border-right: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.route-hero::before,
.route-hero::after {
  content: "";
  position: absolute;
  width: 0.75rem;
  height: 0.75rem;
  border: 3px solid currentColor;
  border-radius: 50%;
  background: var(--surface);
}

.route-hero::before {
  left: -0.35rem;
  bottom: -0.45rem;
}

.route-hero::after {
  right: -0.45rem;
  top: -0.45rem;
}

.proof-band {
  display: grid;
  gap: var(--space-md);
  padding-block: 1.5rem 2rem;
}

.proof-band p {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
}

.proof-band strong,
.proof-band span {
  display: block;
}

.proof-band strong {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.2;
}

.proof-band span {
  margin-top: 0.25rem;
  color: var(--muted);
}

.services {
  background: var(--surface);
}

.services-grid,
.rainwater-grid,
.about-grid,
.contact-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.services-media {
  position: relative;
  align-self: start;
}

.services-media img {
  width: 100%;
  aspect-ratio: 7 / 5;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.services-note {
  width: min(85%, 24rem);
  margin: -2.5rem 0 0 auto;
  position: relative;
  padding: 1.2rem 1.35rem;
  border-radius: var(--radius-sm);
  background: var(--navy);
  color: var(--surface);
}

.services-note span,
.services-note strong {
  display: block;
}

.services-note span {
  margin-bottom: 0.25rem;
  color: var(--accent-soft);
  font-size: 0.85rem;
  font-weight: 600;
}

.services-note strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.2;
}

.section-heading {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-heading > p {
  max-width: 38rem;
  margin-bottom: 0;
  color: var(--steel-dark);
  font-size: 1.1rem;
}

.service-list {
  display: grid;
  gap: 0;
}

.service-list article {
  padding-block: 1.35rem;
  border-top: 1px solid var(--line);
}

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

.service-list h3 {
  margin-bottom: 0.5rem;
  font-size: 1.55rem;
}

.service-list p {
  max-width: 42rem;
  margin-bottom: 0;
  color: var(--muted);
}

.process-heading {
  max-width: 44rem;
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-list li {
  counter-increment: process;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line-strong);
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  color: var(--action-text);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.process-list span {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.15;
}

.process-list p {
  grid-column: 2;
  max-width: 29rem;
  margin: -0.4rem 0 0;
  color: var(--muted);
}

.rainwater {
  background: var(--surface-soft);
}

.rainwater-copy {
  align-self: center;
}

.rainwater-copy > p {
  max-width: 38rem;
  color: var(--steel-dark);
}

.rainwater-scope {
  display: grid;
  gap: 0;
  max-width: 40rem;
  margin: 1.5rem 0 1rem;
  padding: 0;
  list-style: none;
}

.rainwater-scope li {
  padding-block: 0.8rem;
  border-top: 1px solid var(--line-strong);
  color: var(--navy-soft);
}

.rainwater-scope li:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  color: var(--action-text);
  font-weight: 600;
  text-decoration: none;
}

.text-link span {
  transition: transform 180ms var(--ease-out);
}

.text-link:hover span {
  transform: translateX(0.25rem);
}

.rainwater-media img {
  width: 100%;
  aspect-ratio: 14 / 9;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.projects {
  background: var(--surface);
}

.projects-heading {
  max-width: 45rem;
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.project {
  margin: 0;
}

.project img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  object-fit: cover;
}

.project-tall img {
  aspect-ratio: 3 / 4;
}

.project figcaption {
  padding-top: 0.55rem;
  color: var(--steel-dark);
  font-size: 0.875rem;
  font-weight: 500;
}

.about-grid {
  padding-bottom: clamp(3rem, 6vw, 6rem);
  border-bottom: 1px solid var(--line-strong);
}

.about-statement > p {
  max-width: 34rem;
  color: var(--steel-dark);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.4;
}

.about-detail > p {
  max-width: 42rem;
  color: var(--steel-dark);
  font-size: 1.1rem;
}

.purpose-list {
  margin: 2.5rem 0 0;
}

.purpose-list > div {
  display: grid;
  gap: 0.4rem;
  padding-block: 1.2rem;
  border-top: 1px solid var(--line);
}

.purpose-list dt {
  color: var(--action-text);
  font-weight: 600;
}

.purpose-list dd {
  max-width: 38rem;
  margin: 0;
  color: var(--muted);
}

.values {
  padding-top: clamp(3rem, 6vw, 6rem);
}

.values h3 {
  margin-bottom: 2rem;
  font-size: 1.25rem;
  letter-spacing: 0;
}

.values-columns {
  display: grid;
  gap: 0;
}

.values-columns p {
  margin-bottom: 0;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.contact {
  background: var(--surface);
}

.contact-intro > p {
  max-width: 34rem;
  color: var(--steel-dark);
  font-size: 1.1rem;
}

.contact-intro > img {
  width: 100%;
  margin-top: 2.5rem;
  aspect-ratio: 14 / 9;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.contact-form {
  align-self: start;
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--canvas);
}

.field-row {
  display: grid;
  gap: 1.1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--navy);
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.field textarea {
  min-height: 8.5rem;
  resize: vertical;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--steel);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--action-text);
  outline: none;
  box-shadow: 0 0 0 3px oklch(70.32% 0.1887 47.96 / 0.24);
}

.field [aria-invalid="true"] {
  border-color: var(--error);
}

.field-help,
.field-error {
  min-height: 1.2em;
  font-size: 0.875rem;
  line-height: 1.4;
}

.field-help {
  color: var(--muted);
}

.field-error {
  color: var(--error);
}

.form-submit {
  width: 100%;
}

.form-submit[aria-busy="true"] {
  cursor: wait;
  opacity: 0.78;
}

.form-privacy,
.form-status {
  margin: 0;
  font-size: 0.875rem;
}

.form-privacy {
  color: var(--muted);
}

.form-status {
  min-height: 1.4em;
  color: var(--success);
  font-weight: 600;
}

.site-footer {
  padding-block: 2rem max(2rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line-strong);
  background: var(--canvas);
}

.footer-grid {
  display: grid;
  gap: 1rem;
  align-items: center;
}

.footer-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-brand {
  justify-self: start;
}

/* Hybrid home: concise overview with progressive detail */
.hydraulic-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hydraulic-band--flow {
  -webkit-clip-path: url("#hydraulic-wave-flow");
  clip-path: url("#hydraulic-wave-flow");
}

.hydraulic-band--reservoir {
  -webkit-clip-path: url("#hydraulic-wave-reservoir");
  clip-path: url("#hydraulic-wave-reservoir");
}

.hydraulic-clip-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.hydraulic-band > .shell {
  position: relative;
  z-index: 2;
}

.hydraulic-field {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.hydraulic-field path,
.hydraulic-field circle {
  vector-effect: non-scaling-stroke;
}

.hydraulic-field__surface,
.hydraulic-field__depth,
.hydraulic-field__route,
.hydraulic-field__route-bed,
.hydraulic-field__gauge,
.hydraulic-field__tick {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hydraulic-field__surface {
  stroke: var(--water-line-strong);
  stroke-width: 1.25;
  opacity: 0.1;
}

.hydraulic-field__depth {
  stroke: var(--water-line);
  stroke-width: 1;
  opacity: 0.045;
}

.hydraulic-field__route-bed {
  stroke: var(--water-line-strong);
  stroke-width: 7;
  opacity: 0.035;
}

.hydraulic-field__route,
.hydraulic-field__gauge {
  stroke: var(--brand-orange);
  stroke-width: 2;
  opacity: 0.28;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.hydraulic-field__tick {
  stroke: var(--water-line-strong);
  stroke-width: 1;
  opacity: 0.14;
}

.hydraulic-field__edge {
  fill: none;
  stroke: var(--water-line-strong);
  stroke-width: 1.35;
  stroke-linecap: round;
  opacity: 0.24;
  vector-effect: non-scaling-stroke;
}

.hydraulic-field__edge--lower {
  opacity: 0.18;
}

.hydraulic-field__node {
  fill: var(--navy);
  stroke: var(--brand-orange);
  stroke-width: 2;
  opacity: 0;
  transform: scale(0.6);
  transform-box: fill-box;
  transform-origin: center;
}

.hydraulic-band.is-in-view .hydraulic-field__node {
  opacity: 0.5;
  transform: scale(1);
  transition: opacity 260ms var(--ease-out), transform 420ms var(--ease-out);
  transition-delay: calc(720ms + var(--node-index, 0) * 105ms);
}

.compact-solutions .hydraulic-field__route,
.compact-solutions .hydraulic-field__route-bed,
.compact-solutions .hydraulic-field__node {
  display: none;
}

.compact-solutions {
  background: var(--navy);
  color: var(--surface);
}

.compact-solutions-grid,
.rainwater-home-grid,
.about-compact-grid,
.contact-faq-grid,
.inner-hero-grid,
.inner-band-grid,
.pluvial-logic-grid,
.pluvial-evidence-grid,
.evidence-note-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.compact-solutions h2,
.compact-solutions h3,
.about-compact h2,
.about-compact dt,
.inner-band h2,
.inner-cta h2 {
  color: var(--surface);
}

.compact-solutions-intro > p {
  max-width: 35rem;
  color: var(--text-on-blue-muted);
}

.compact-solutions .text-link {
  color: var(--brand-orange);
}

.capability-accordion {
  --flow-progress: 0.1;
  position: relative;
  padding-left: 1.75rem;
}

.capability-accordion::before,
.capability-accordion::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.32rem;
  width: 2px;
  border-radius: var(--radius-pill);
  transform-origin: top center;
}

.capability-accordion::before {
  background: oklch(100% 0 0 / 0.2);
}

.capability-accordion::after {
  background: var(--brand-orange);
  transform: scaleY(var(--flow-progress));
  transition: transform 480ms var(--ease-out);
}

.capability-accordion details {
  position: relative;
}

.capability-accordion details::before {
  content: "";
  position: absolute;
  top: 1.58rem;
  left: -1.7rem;
  z-index: 1;
  width: 0.72rem;
  height: 0.72rem;
  border: 2px solid oklch(100% 0 0 / 0.42);
  border-radius: 50%;
  background: var(--navy);
  transform: scale(0.82);
  transition: border-color 220ms var(--ease-out), background-color 220ms var(--ease-out), transform 300ms var(--ease-out);
}

.capability-accordion details.is-flow-active::before,
.capability-accordion details[open]::before {
  border-color: var(--brand-orange);
  background: var(--brand-orange);
  transform: scale(1);
}

.capability-accordion details::after {
  content: "";
  position: absolute;
  top: 1.92rem;
  left: -1.34rem;
  width: 1.08rem;
  height: 0.68rem;
  border-top: 1px solid oklch(100% 0 0 / 0.32);
  border-right: 1px solid oklch(100% 0 0 / 0.32);
  border-top-right-radius: 0.6rem;
  pointer-events: none;
  transition: border-color 240ms var(--ease-out), width 360ms var(--ease-out);
}

.capability-accordion details.is-flow-active::after,
.capability-accordion details[open]::after {
  width: 1.22rem;
  border-color: color-mix(in oklch, var(--brand-orange) 72%, white);
}

.capability-accordion summary {
  position: relative;
  display: grid;
  gap: 0.2rem;
  padding: 1.15rem 2.5rem 1.15rem 0;
  list-style: none;
  cursor: pointer;
}

.capability-accordion summary::-webkit-details-marker,
.quick-faq summary::-webkit-details-marker {
  display: none;
}

.capability-accordion summary::after,
.quick-faq summary::after {
  content: "+";
  position: absolute;
  top: 1rem;
  right: 0;
  color: var(--brand-orange);
  font-size: 1.5rem;
  font-weight: 500;
  transition: transform 180ms var(--ease-out);
}

.capability-accordion details[open] summary::after,
.quick-faq details[open] summary::after {
  transform: rotate(45deg);
}

.capability-accordion summary span {
  color: var(--surface);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.capability-accordion summary strong {
  color: var(--accent-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.capability-accordion details > p {
  max-width: 40rem;
  margin: -0.15rem 2rem 1.15rem 0;
  color: var(--text-on-blue-muted);
}

.details-reveal {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0.55;
  transition: grid-template-rows 320ms var(--ease-out), opacity 220ms var(--ease-out);
}

.details-reveal > * {
  min-height: 0;
  overflow: hidden;
}

details[open] > .details-reveal {
  grid-template-rows: 1fr;
  opacity: 1;
}

.capability-accordion .details-reveal p {
  max-width: 40rem;
  margin: -0.15rem 2rem 1.15rem 0;
  color: var(--text-on-blue-muted);
}

/* Dark-section separators borrow the logic of a pipe riser and its branches. */
.about-compact .principles-compact,
.hydraulic-band.inner-band ul,
.hydraulic-band .outcome-list,
.hydraulic-band .decision-list {
  position: relative;
  padding-left: 1.25rem;
  border-top: 0;
}

.about-compact .principles-compact::before,
.hydraulic-band.inner-band ul::before,
.hydraulic-band .outcome-list::before,
.hydraulic-band .decision-list::before {
  content: "";
  position: absolute;
  top: 0.72rem;
  bottom: 0.72rem;
  left: 0.2rem;
  width: 1px;
  background: oklch(100% 0 0 / 0.22);
}

.hydraulic-band .principles-compact > div,
.hydraulic-band.inner-band li,
.hydraulic-band .outcome-list article,
.hydraulic-band .decision-list p {
  position: relative;
  border-top: 0;
  border-bottom: 0;
}

.hydraulic-band .principles-compact > div::before,
.hydraulic-band.inner-band li::before,
.hydraulic-band .outcome-list article::before,
.hydraulic-band .decision-list p::before {
  content: "";
  position: absolute;
  top: 1.32rem;
  left: -1.19rem;
  width: 0.46rem;
  height: 0.46rem;
  border: 1px solid oklch(100% 0 0 / 0.42);
  border-radius: 50%;
  background: var(--navy);
}

.hydraulic-band .principles-compact > div::after,
.hydraulic-band.inner-band li::after,
.hydraulic-band .outcome-list article::after,
.hydraulic-band .decision-list p::after {
  content: "";
  position: absolute;
  top: 1.52rem;
  left: -0.78rem;
  width: 0.7rem;
  height: 0.58rem;
  border-top: 1px solid oklch(100% 0 0 / 0.28);
  border-right: 1px solid oklch(100% 0 0 / 0.28);
  border-top-right-radius: 0.5rem;
}

.hydraulic-band .outcome-list article:last-child {
  border-bottom: 0;
}

.client-view {
  background: var(--surface);
}

.client-view-heading {
  max-width: 44rem;
}

.client-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.client-tablist button {
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--navy-soft);
  font-weight: 600;
  cursor: pointer;
}

.client-tablist button[aria-selected="true"] {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--surface);
}

.client-panels {
  min-height: 21rem;
  padding-block: clamp(1.75rem, 4vw, 3rem);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.client-panels [role="tabpanel"] {
  outline: none;
}

.client-panels [hidden] {
  display: none !important;
}

.client-panels h3 {
  max-width: 24ch;
}

.client-panels [role="tabpanel"] > p {
  max-width: 42rem;
  color: var(--steel-dark);
  font-size: 1.1rem;
}

.client-panels dl {
  display: grid;
  gap: 1rem;
  max-width: 52rem;
  margin: 1.5rem 0 0;
}

.client-panels dl > div {
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.client-panels dt,
.detail-service-list dt {
  color: var(--action-text);
  font-size: 0.875rem;
  font-weight: 600;
}

.client-panels dd,
.detail-service-list dd {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.method-compact {
  background: var(--surface-soft);
}

.method-compact-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 2.25rem;
}

.method-compact-heading h2,
.method-compact-heading p {
  margin-bottom: 0;
}

.method-compact-heading p {
  max-width: 30rem;
  color: var(--steel-dark);
}

.route-name {
  margin: 0 0 0.45rem;
  color: var(--action-text);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.route-name::before {
  content: "";
  display: inline-block;
  width: 2.4rem;
  height: 0.65rem;
  margin-right: 0.65rem;
  border-bottom: 2px solid var(--brand-orange);
  border-right: 2px solid var(--brand-orange);
  vertical-align: 0.15em;
}

.route-name-light {
  color: var(--accent-soft);
}

.method-strip {
  position: relative;
  display: grid;
  margin: 0;
  padding: 0 0 0 2rem;
  list-style: none;
  counter-reset: compact-method;
}

.method-strip::before,
.method-strip::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.38rem;
  border-radius: var(--radius-pill);
  transform-origin: top center;
}

.method-strip::before {
  width: 6px;
  background: oklch(21.26% 0.087 263.84 / 0.12);
}

.method-strip::after {
  width: 2px;
  background: var(--brand-orange);
  transform: translateX(2px) scaleY(0);
}

.method-strip li {
  counter-increment: compact-method;
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.2rem 0.75rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  opacity: 0.68;
  transition: opacity 260ms var(--ease-out), transform 320ms var(--ease-out);
}

.method-strip li::after {
  content: "";
  position: absolute;
  top: 1.32rem;
  left: -1.98rem;
  z-index: 1;
  width: 0.78rem;
  height: 0.78rem;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface-soft);
  transform: scale(0.82);
  transition: border-color 240ms var(--ease-out), background-color 240ms var(--ease-out), transform 360ms var(--ease-out);
}

.method-strip li::before {
  content: counter(compact-method, decimal-leading-zero);
  grid-row: 1 / span 2;
  color: var(--action-text);
  font-family: var(--font-display);
  font-weight: 700;
}

.method-strip strong {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.method-strip span {
  color: var(--muted);
  font-size: 0.9rem;
}

.method-strip li.is-active {
  opacity: 1;
  transform: translateY(-0.2rem);
}

.method-strip li.is-active::before {
  color: var(--brand-orange);
}

.method-strip li.is-active::after {
  border-color: var(--brand-orange);
  background: var(--brand-orange);
  transform: scale(1);
}

.rainwater-home {
  background: var(--canvas);
}

.rainwater-home-copy {
  align-self: center;
}

.rainwater-home-copy > p {
  max-width: 38rem;
  color: var(--steel-dark);
}

.rainwater-home img {
  width: 100%;
  aspect-ratio: 14 / 9;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.compact-benefits {
  margin: 1.5rem 0;
  border-top: 1px solid var(--line-strong);
}

.compact-benefits span {
  display: block;
  padding-block: 0.65rem;
  border-bottom: 1px solid var(--line);
  color: var(--navy-soft);
}

.projects-home {
  background: var(--surface);
}

.projects-home-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 2rem;
}

.projects-home-heading h2,
.projects-home-heading p {
  margin-bottom: 0;
}

.projects-home-heading p {
  color: var(--muted);
}

.projects-home-grid {
  display: grid;
  gap: 1rem;
}

.projects-home-grid figure,
.project-detail-grid figure,
.case-file figure,
.team-field {
  margin: 0;
}

.projects-home-grid img,
.project-detail-grid img,
.case-file img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.field-cases {
  gap: clamp(1.75rem, 3vw, 3rem);
}

.field-case figure {
  position: relative;
}

.field-case figure::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 34%;
  height: 22%;
  border-right: 2px solid var(--brand-orange);
  border-bottom: 2px solid var(--brand-orange);
}

.field-case figure figcaption,
.case-file figure figcaption,
.team-field figcaption {
  color: var(--muted);
  font-size: 0.82rem;
}

.field-case figure figcaption {
  padding-top: 0.45rem;
}

.field-case h3 {
  max-width: 17ch;
  margin-top: 1rem;
  font-size: clamp(1.45rem, 2vw, 1.9rem);
}

.field-case dl,
.case-file dl {
  margin: 0;
}

.field-case dl > div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.75rem;
  padding-block: 0.62rem;
  border-top: 1px solid var(--line);
}

.field-case dt,
.case-file dt {
  color: var(--action-text);
  font-size: 0.82rem;
  font-weight: 600;
}

.field-case dd,
.case-file dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.projects-home-grid figcaption,
.project-detail-grid figcaption {
  padding-top: 0.65rem;
}

.projects-home-grid figcaption strong,
.projects-home-grid figcaption span,
.project-detail-grid figcaption strong,
.project-detail-grid figcaption span {
  display: block;
}

.projects-home-grid figcaption strong,
.project-detail-grid figcaption strong {
  color: var(--navy);
}

.projects-home-grid figcaption span,
.project-detail-grid figcaption span {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-compact {
  background: var(--navy);
  color: var(--surface);
}

.about-field-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.team-field img {
  width: 100%;
  max-height: 32rem;
  border-radius: var(--radius-sm);
  object-fit: cover;
  object-position: center 38%;
}

.team-field figcaption {
  margin-top: 0.5rem;
  color: var(--text-on-blue-muted);
}

.about-field-copy > p:not(.route-name):not(.institution-note) {
  max-width: 43rem;
  color: var(--text-on-blue-muted);
}

.institution-note {
  display: grid;
  gap: 0.25rem;
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid oklch(100% 0 0 / 0.22);
}

.institution-note strong {
  color: var(--surface);
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.institution-note span {
  color: var(--text-on-blue-muted);
}

.about-compact-grid > div > p,
.principles-compact dd {
  color: var(--text-on-blue-muted);
}

.about-compact-grid > div > p {
  max-width: 43rem;
  font-size: 1.08rem;
}

.principles-compact {
  margin: 0;
  border-top: 1px solid oklch(100% 0 0 / 0.22);
}

.principles-compact > div {
  padding-block: 0.95rem;
  border-bottom: 1px solid oklch(100% 0 0 / 0.22);
}

.principles-compact dt {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.principles-compact dd {
  margin: 0.15rem 0 0;
}

.contact-faq {
  background: var(--surface);
}

.quick-faq > h2,
.contact-compact > h2 {
  font-size: clamp(2.25rem, 4vw, 3.7rem);
}

.quick-faq {
  border-bottom: 1px solid var(--line-strong);
}

.quick-faq details {
  border-top: 1px solid var(--line-strong);
}

.quick-faq summary {
  position: relative;
  padding: 1rem 2.2rem 1rem 0;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
  list-style: none;
  cursor: pointer;
}

.quick-faq summary::after {
  top: 0.8rem;
  color: var(--action-text);
}

.quick-faq details > p {
  margin: -0.1rem 2rem 1rem 0;
  color: var(--muted);
}

.quick-faq .details-reveal p {
  margin: -0.1rem 2rem 1rem 0;
  color: var(--muted);
}

.contact-compact > p {
  max-width: 36rem;
  color: var(--steel-dark);
}

.diagnostic-sheet {
  margin: 1.25rem 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.diagnostic-sheet summary {
  padding-block: 0.9rem;
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
}

.diagnostic-sheet summary::marker {
  color: var(--brand-orange);
}

.diagnostic-sheet ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.diagnostic-sheet li + li {
  margin-top: 0.35rem;
}

.compact-form {
  padding: 1.25rem;
}

.diagnostic-progress {
  height: 3px;
  margin: -1.25rem -1.25rem 1.25rem;
  overflow: hidden;
  background: var(--line);
}

.diagnostic-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--brand-orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 320ms var(--ease-out);
}

.field label::after {
  content: "✓";
  display: inline-block;
  margin-left: 0.4rem;
  color: var(--success);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 160ms var(--ease-out), transform 220ms var(--ease-out);
}

.field.is-valid label::after {
  opacity: 1;
  transform: scale(1);
}

.contact-form.is-ready .diagnostic-progress span {
  transform: scaleX(1) !important;
}

.compact-form .field textarea {
  min-height: 6rem;
}

/* Interior pages */
.inner-hero {
  padding-block: clamp(2.5rem, 5vw, 5rem);
  background: var(--canvas);
}

.inner-hero-grid {
  align-items: center;
}

.inner-hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 5.5vw, 5.5rem);
}

.inner-hero-grid > div:first-child > p:last-child {
  max-width: 40rem;
  color: var(--steel-dark);
  font-size: 1.15rem;
}

.inner-hero img {
  width: 100%;
  max-height: 34rem;
  aspect-ratio: 7 / 5;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.annotated-media {
  position: relative;
}

.annotated-media .field-note {
  position: absolute;
  right: 0.8rem;
  bottom: 0.8rem;
  max-width: calc(100% - 1.6rem);
}

.detail-service-list {
  border-top: 1px solid var(--line-strong);
}

.detail-service-list article {
  display: grid;
  gap: 1rem 2rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line-strong);
}

.detail-service-list article > div > p {
  max-width: 46rem;
  color: var(--steel-dark);
}

.detail-service-list dl {
  display: grid;
  gap: 0.2rem 1rem;
  margin: 0;
}

.inner-band,
.inner-cta {
  background: var(--navy);
  color: var(--surface);
}

.inner-band p,
.inner-band li,
.inner-cta p {
  color: var(--text-on-blue-muted);
}

.inner-band ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid oklch(100% 0 0 / 0.22);
}

.inner-band li {
  padding-block: 0.8rem;
  border-bottom: 1px solid oklch(100% 0 0 / 0.22);
}

.inner-cta .shell {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.inner-cta h2,
.inner-cta p {
  margin-bottom: 0;
}

.pluvial-logic {
  background: var(--surface);
}

.pluvial-logic-grid > div > p {
  color: var(--steel-dark);
}

.pluvial-logic dl {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.pluvial-logic dl > div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.5fr) 1fr;
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line);
  opacity: 0.65;
  transition: opacity 260ms var(--ease-out), transform 320ms var(--ease-out);
}

.pluvial-logic dt {
  color: var(--navy);
  font-weight: 600;
}

.pluvial-logic dd {
  margin: 0;
  color: var(--muted);
}

.pluvial-flow > div {
  position: relative;
  z-index: 1;
  padding-left: 1.35rem;
}

.pluvial-flow {
  position: relative;
}

.pluvial-flow::before,
.pluvial-flow::after {
  content: "";
  position: absolute;
  top: 1.2rem;
  bottom: 1.2rem;
  left: 0.25rem;
  width: 2px;
  z-index: 0;
  transform-origin: center top;
}

.pluvial-flow::before {
  background: var(--line-strong);
}

.pluvial-flow::after {
  background: var(--brand-orange);
  transform: scaleY(0);
}

.pluvial-flow > div::before {
  content: "";
  position: absolute;
  top: 1.45rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  transition: border-color 220ms var(--ease-out), background 220ms var(--ease-out), transform 260ms var(--ease-out);
}

.pluvial-flow > div.is-active {
  opacity: 1;
  transform: translateX(0.3rem);
}

.pluvial-flow > div.is-active::before {
  border-color: var(--brand-orange);
  background: var(--brand-orange);
  transform: scale(1.12);
}

.pluvial-benefits {
  background: var(--surface-soft);
}

.pluvial-benefit-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.pluvial-benefit-list article {
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
}

.pluvial-benefit-list article p {
  max-width: 34rem;
  margin-bottom: 0;
  color: var(--muted);
}

.pluvial-evidence {
  background: var(--surface);
}

.pluvial-evidence-grid {
  align-items: center;
}

.pluvial-evidence img {
  width: 100%;
  aspect-ratio: 7 / 5;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.pluvial-evidence-grid > div > p,
.evidence-note-grid > p {
  color: var(--steel-dark);
}

.projects-detail {
  background: var(--surface);
}

.case-files {
  background: var(--surface);
}

.case-files-heading {
  max-width: 48rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.case-files-heading > p:last-child {
  max-width: 38rem;
  color: var(--steel-dark);
}

.case-file-list {
  border-top: 1px solid var(--line-strong);
}

.case-file {
  display: grid;
  gap: 1.5rem clamp(2rem, 5vw, 5rem);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line-strong);
}

.case-file figure {
  align-self: start;
}

.case-annotated {
  position: relative;
}

.case-hotspot {
  pointer-events: none;
  position: absolute;
  top: var(--y);
  left: var(--x);
  width: 0.85rem;
  height: 0.85rem;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--brand-orange);
  opacity: 0;
  transform: scale(0.55);
}

.case-hotspot::after {
  content: "";
  position: absolute;
  top: 0.25rem;
  right: 0.65rem;
  width: clamp(2rem, 6vw, 4.5rem);
  height: 2px;
  background: var(--brand-orange);
  transform: scaleX(0);
  transform-origin: right center;
}

.case-hotspot span {
  position: absolute;
  top: -0.55rem;
  right: calc(0.7rem + clamp(2rem, 6vw, 4.5rem));
  min-width: max-content;
  padding: 0.3rem 0.5rem;
  background: var(--navy);
  color: var(--surface);
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0;
  transform: translateX(-0.35rem);
}

.case-file figure figcaption {
  padding-top: 0.45rem;
}

.case-file-copy {
  align-self: center;
}

.case-file-copy h3 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.case-id {
  margin-bottom: 0.4rem;
  color: var(--action-text);
  font-size: 0.84rem;
  font-weight: 600;
}

.case-file dl > div {
  display: grid;
  gap: 0.15rem;
  padding-block: 0.72rem;
  border-top: 1px solid var(--line);
}

.evidence-promise {
  color: var(--navy) !important;
  font-weight: 600;
}

.project-detail-grid {
  display: grid;
  gap: 1.5rem 1rem;
}

.project-detail-grid .project-detail-feature img {
  aspect-ratio: 7 / 4;
}

.evidence-note {
  background: var(--surface-soft);
}

/* Commercial narrative */
.outcomes {
  background: var(--navy);
  color: var(--surface);
}

.outcomes-grid,
.risk-grid,
.decision-grid,
.faq-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.outcomes h2,
.outcomes h3,
.decision h2 {
  color: var(--surface);
}

.outcomes-heading {
  margin-bottom: 0;
}

.outcomes-heading > p,
.decision-grid > div:first-child > p {
  color: var(--text-on-blue-muted);
}

.outcome-list {
  display: grid;
  gap: 0;
}

.outcome-list article {
  padding-block: 1.35rem;
  border-top: 1px solid oklch(100% 0 0 / 0.2);
}

.outcome-list article:last-child {
  border-bottom: 1px solid oklch(100% 0 0 / 0.2);
}

.outcome-list h3 {
  margin-bottom: 0.4rem;
  font-size: 1.5rem;
}

.outcome-list p {
  max-width: 42rem;
  margin-bottom: 0;
  color: var(--text-on-blue-muted);
}

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

.service-list-detailed article {
  display: grid;
  gap: 0.4rem 1.5rem;
}

.service-list-detailed span {
  color: var(--navy-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.complementary-scope {
  max-width: 46rem;
  margin: 2rem 0 0;
  padding: 1.15rem 1.25rem;
  background: var(--surface-soft);
  color: var(--steel-dark);
}

.complementary-scope strong,
.sector-list strong,
.rainwater-scope strong,
.evidence-cta strong,
.contact-expectation strong {
  color: var(--navy);
}

.sectors,
.faq {
  background: var(--canvas);
}

.sectors-heading {
  max-width: 49rem;
}

.sector-list,
.risk-list,
.faq-list {
  border-top: 1px solid var(--line-strong);
}

.sector-list article {
  display: grid;
  gap: 0.55rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line-strong);
}

.sector-list h3 {
  margin-bottom: 0.25rem;
}

.sector-list p {
  max-width: 46rem;
  margin-bottom: 0;
  color: var(--muted);
}

.sector-list .sector-need {
  color: var(--navy-soft);
  font-size: 1.08rem;
}

.process-intro {
  display: grid;
  gap: 2rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.process-intro .section-heading {
  margin-bottom: 0;
}

.process-principle {
  max-width: 34rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
  color: var(--steel-dark);
}

.risk-control {
  background: var(--surface);
}

.risk-copy > p {
  max-width: 38rem;
  color: var(--steel-dark);
}

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

.risk-list li {
  display: grid;
  gap: 0.35rem;
  padding-block: 1.2rem;
  border-bottom: 1px solid var(--line-strong);
}

.risk-list strong {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.2;
}

.risk-list span,
.rainwater-media p {
  color: var(--muted);
}

.rainwater-media p {
  max-width: 42rem;
  margin: 1rem 0 0;
  font-size: 0.9rem;
}

.project-grid-evidence figcaption strong,
.project-grid-evidence figcaption span {
  display: block;
}

.project-grid-evidence figcaption strong {
  color: var(--navy);
  font-size: 1rem;
}

.project-grid-evidence figcaption span {
  max-width: 36rem;
  margin-top: 0.2rem;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.45;
}

.evidence-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-strong);
}

.evidence-cta p {
  max-width: 46rem;
  margin: 0;
  color: var(--steel-dark);
}

.values-heading {
  max-width: 45rem;
}

.values-heading h3 {
  margin-bottom: var(--space-sm);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.principles-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.principles-list article {
  padding-block: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.principles-list p {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
}

.decision {
  background: var(--navy);
  color: var(--surface);
}

.decision-grid > div:first-child > p {
  max-width: 38rem;
}

.decision-list {
  border-top: 1px solid oklch(100% 0 0 / 0.2);
}

.decision-list p {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding-block: 1.1rem;
  border-bottom: 1px solid oklch(100% 0 0 / 0.2);
}

.decision-list strong {
  color: var(--surface);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.decision-list span {
  color: var(--text-on-blue-muted);
}

.faq-intro > p {
  max-width: 32rem;
  color: var(--steel-dark);
}

.faq-list details {
  border-bottom: 1px solid var(--line-strong);
}

.faq-list summary {
  position: relative;
  padding: 1.25rem 2.5rem 1.25rem 0;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 1.15rem;
  right: 0;
  color: var(--action-text);
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 500;
  transition: transform 180ms var(--ease-out);
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details > p {
  max-width: 46rem;
  margin: -0.25rem 0 1.35rem;
  padding-right: 2rem;
  color: var(--muted);
}

.contact-expectation {
  max-width: 35rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
}

.contact-expectation ul {
  margin: 0.65rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

@media (min-width: 40rem) {
  .proof-band {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .service-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 2rem;
  }

  .service-list article:nth-child(2) {
    border-top-color: var(--line-strong);
  }

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

  .service-list-detailed article {
    grid-template-columns: minmax(10rem, 0.65fr) minmax(0, 1.35fr);
  }

  .service-list-detailed h3 {
    grid-row: 1 / span 2;
  }

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

  .principles-list article:nth-child(odd) {
    padding-right: 1.5rem;
  }

  .principles-list article:nth-child(even) {
    padding-left: 1.5rem;
    border-left: 1px solid var(--line);
  }

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

  .client-panels dl,
  .pluvial-benefit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }

  .projects-home-grid,
  .project-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-detail-feature {
    grid-column: 1 / -1;
  }

  .values-columns {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .about-field-grid {
    grid-template-columns: minmax(13rem, 0.55fr) minmax(0, 1.1fr);
  }

  .about-field-grid .principles-compact {
    grid-column: 1 / -1;
  }

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

  .project-large,
  .project-wide {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
  }
}

@media (min-width: 48rem) {
  .process-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line-strong);
  }

  .process-list li {
    display: block;
    padding: 1.6rem 1.25rem 0 0;
    border-top: 0;
  }

  .process-list li + li {
    padding-left: 1.25rem;
    border-left: 1px solid var(--line);
  }

  .process-list li::before {
    display: block;
    margin-bottom: 2rem;
  }

  .process-list span {
    display: block;
    margin-bottom: 0.65rem;
  }

  .process-list p {
    margin: 0;
  }

  .process-list-five {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .process-list-five li {
    padding-right: 1rem;
  }

  .process-list-five li + li {
    padding-left: 1rem;
  }

  .process-list-five span {
    font-size: 1.35rem;
  }

  .project-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .project-large {
    grid-column: span 7;
    grid-row: span 2;
  }

  .project-tall {
    grid-column: span 5;
  }

  .project:not(.project-large):not(.project-tall):not(.project-wide) {
    grid-column: span 5;
  }

  .project-wide {
    grid-column: span 7;
  }

  .method-strip {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding-left: 0;
  }

  .method-strip::before,
  .method-strip::after {
    top: 0;
    right: 0;
    bottom: auto;
    left: 0;
    transform-origin: left center;
  }

  .method-strip::before {
    width: auto;
    height: 6px;
  }

  .method-strip::after {
    width: auto;
    height: 2px;
    transform: translateY(2px) scaleX(0);
  }

  .method-strip li {
    display: block;
    padding: 1rem;
    border-bottom: 0;
  }

  .method-strip li + li {
    border-left: 1px solid var(--line);
  }

  .method-strip li::before,
  .method-strip strong,
  .method-strip span {
    display: block;
  }

  .method-strip li::before {
    margin-bottom: 1.25rem;
  }

  .method-strip li::after {
    top: -0.22rem;
    left: 0.78rem;
  }

  .method-strip strong {
    margin-bottom: 0.3rem;
  }
}

@media (min-width: 64rem) {
  .nav-toggle {
    display: none;
  }

  .primary-nav,
  .primary-nav.is-open {
    position: static;
    inset: auto;
    display: flex;
    align-items: center;
    gap: clamp(0.7rem, 1.2vw, 1.25rem);
    padding: 0;
    border: 0;
    background: transparent;
  }

  .primary-nav a:not(.button) {
    font-size: 0.9rem;
  }

  .nav-cta {
    margin-left: clamp(0.25rem, 1.2vw, 1.25rem);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(33rem, 1.1fr);
    gap: clamp(2rem, 5vw, 5.5rem);
  }

  .hero-media {
    min-height: min(72vh, 47rem);
  }

  .services-grid {
    grid-template-columns: minmax(24rem, 0.9fr) minmax(0, 1.1fr);
  }

  .rainwater-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(34rem, 1.28fr);
    align-items: center;
  }

  .about-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .purpose-list > div {
    grid-template-columns: 6rem 1fr;
    gap: 1.5rem;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(31rem, 1.05fr);
  }

  .outcomes-grid,
  .risk-grid,
  .decision-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .sector-list article {
    grid-template-columns: minmax(15rem, 0.78fr) minmax(0, 1.22fr);
    column-gap: clamp(2rem, 5vw, 5rem);
  }

  .sector-list h3 {
    grid-row: 1 / span 3;
  }

  .process-intro {
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.55fr);
    align-items: end;
  }

  .compact-solutions-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .client-panels {
    min-height: 17rem;
  }

  .client-panels [role="tabpanel"] {
    display: grid;
    grid-template-columns: minmax(16rem, 0.75fr) minmax(0, 1.25fr);
    gap: 0 4rem;
  }

  .client-panels [role="tabpanel"] > h3 {
    grid-row: 1;
  }

  .client-panels [role="tabpanel"] > p {
    grid-column: 1;
  }

  .client-panels [role="tabpanel"] > dl {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
  }

  .rainwater-home-grid,
  .pluvial-evidence-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(32rem, 1.2fr);
    align-items: center;
  }

  .projects-home-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-compact-grid,
  .inner-band-grid,
  .pluvial-logic-grid,
  .evidence-note-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .about-field-grid {
    grid-template-columns: minmax(15rem, 0.55fr) minmax(22rem, 0.95fr) minmax(18rem, 0.7fr);
  }

  .about-field-grid .principles-compact {
    grid-column: auto;
  }

  .contact-faq-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(31rem, 1.18fr);
    align-items: start;
  }

  .inner-hero-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(32rem, 1.18fr);
  }

  .detail-service-list article {
    grid-template-columns: minmax(15rem, 0.65fr) minmax(0, 1.35fr);
  }

  .detail-service-list dl {
    grid-template-columns: 9rem 1fr;
  }

  .project-detail-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-detail-feature {
    grid-column: span 2;
  }

  .case-file {
    grid-template-columns: minmax(18rem, 0.78fr) minmax(0, 1.22fr);
  }

  .case-file:nth-child(even) figure {
    grid-column: 2;
  }

  .case-file:nth-child(even) .case-file-copy {
    grid-column: 1;
    grid-row: 1;
  }
}

@media (hover: hover) and (pointer: fine) {
  .project img {
    transition: filter 260ms var(--ease-out), transform 260ms var(--ease-out);
  }

  .project:hover img {
    filter: contrast(1.03);
    transform: translateY(-2px);
  }

  .field-case img,
  .case-file img {
    transition: filter 260ms var(--ease-out), transform 360ms var(--ease-out);
  }

  .field-case:hover img,
  .case-file:hover img {
    filter: contrast(1.035);
    transform: translateY(-3px);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hydraulic-field__drift {
    animation: hydraulic-drift 16s ease-in-out infinite;
    transform-box: view-box;
    transform-origin: center;
  }

  .hydraulic-band.is-in-view .hydraulic-field__route,
  .hydraulic-band.is-in-view .hydraulic-field__gauge {
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1100ms var(--ease-out);
  }

  .hero-copy > * {
    animation: hero-enter 700ms var(--ease-out) both;
  }

  .hero-copy > :nth-child(2) { animation-delay: 70ms; }
  .hero-copy > :nth-child(3) { animation-delay: 140ms; }
  .hero-copy > :nth-child(4) { animation-delay: 210ms; }

  .hero-media {
    animation: media-enter 800ms 100ms var(--ease-out) both;
  }

  .hero-scan-image {
    animation: system-reveal 800ms 180ms var(--ease-out) both;
  }

  .system-scan {
    animation: system-scan 820ms 180ms var(--ease-out) both;
  }

  .route-hero {
    animation: route-enter 900ms 500ms var(--ease-out) both;
    transform-origin: right bottom;
  }

  .field-note {
    animation: field-note-enter 620ms 560ms var(--ease-out) both;
  }

  .method-strip.is-in-view::after {
    transform: translateX(2px) scaleY(1);
    transition: transform 900ms var(--ease-out);
  }

  .case-file.is-in-view .case-file-copy {
    animation: case-copy-enter 560ms var(--ease-out) both;
  }

  .case-file.is-in-view .case-hotspot {
    animation: hotspot-enter 300ms 260ms var(--ease-out) both;
  }

  .case-file.is-in-view .case-hotspot::after {
    animation: leader-enter 380ms 420ms var(--ease-out) both;
  }

  .case-file.is-in-view .case-hotspot span {
    animation: label-enter 320ms 610ms var(--ease-out) both;
  }

  .pluvial-flow.is-in-view::after {
    transform: scaleY(1);
    transition: transform 760ms var(--ease-out);
  }
}

@media (min-width: 48rem) and (prefers-reduced-motion: no-preference) {
  .method-strip.is-in-view::after {
    transform: translateY(2px) scaleX(1);
  }
}

@keyframes hydraulic-drift {
  0%, 100% { transform: translateX(-1.25%); }
  50% { transform: translateX(1.25%); }
}

@keyframes page-out {
  to { opacity: 0.7; clip-path: inset(0 0 3% 0); }
}

@keyframes page-in {
  from { opacity: 0.7; clip-path: inset(3% 0 0 0); }
  to { opacity: 1; clip-path: inset(0); }
}

@keyframes hero-enter {
  from { opacity: 0.45; transform: translateY(0.6rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes media-enter {
  from { opacity: 0.55; clip-path: inset(0 0 0 8%); transform: translateX(0.7rem); }
  to { opacity: 1; clip-path: inset(0 0 0 0); transform: translateX(0); }
}

@keyframes system-reveal {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0); }
}

@keyframes system-scan {
  0% { opacity: 0; transform: translateX(-100%); }
  12% { opacity: 1; }
  82% { opacity: 1; }
  100% { opacity: 0; transform: translateX(0); }
}

@keyframes route-enter {
  from { opacity: 0; transform: scale(0.75); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes field-note-enter {
  from { opacity: 0; clip-path: inset(0 100% 0 0); transform: translateY(0.5rem); }
  to { opacity: 1; clip-path: inset(0 0 0 0); transform: translateY(0); }
}

@keyframes case-copy-enter {
  from { opacity: 0.55; clip-path: inset(0 0 18% 0); transform: translateY(0.8rem); }
  to { opacity: 1; clip-path: inset(0 0 0 0); transform: translateY(0); }
}

@keyframes hotspot-enter {
  from { opacity: 0; transform: scale(0.55); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes leader-enter {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes label-enter {
  from { opacity: 0; transform: translateX(-0.35rem); }
  to { opacity: 1; transform: translateX(0); }
}

.companion {
  --companion-shift: 0px;
  --companion-rise: 0px;
  position: fixed;
  right: max(0.75rem, env(safe-area-inset-right));
  bottom: max(0.5rem, env(safe-area-inset-bottom));
  z-index: var(--z-companion);
  pointer-events: none;
  transform: translate3d(var(--companion-shift), var(--companion-rise), 0);
  transition: right 420ms var(--ease-out), left 420ms var(--ease-out);
}

.companion-stage {
  position: relative;
  display: grid;
  justify-items: end;
  align-items: end;
  gap: 0.4rem;
  pointer-events: none;
}

.companion-stage > * {
  pointer-events: auto;
}

.companion-hint {
  position: relative;
  max-width: 11.5rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--navy);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.companion-hint::after {
  content: "";
  position: absolute;
  right: 1.6rem;
  bottom: -0.35rem;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  transform: rotate(45deg);
}

.companion-mascot {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.companion-shadow {
  position: absolute;
  bottom: 0.45rem;
  width: 3.82rem;
  height: 0.4rem;
  border-radius: 50%;
  background: rgb(4 20 64 / 0.2);
  filter: blur(3px);
  z-index: 0;
  animation: companion-shadow 3.4s var(--ease-out) infinite;
}

.companion-figure {
  position: relative;
  z-index: 1;
  width: 6.53rem;
  height: 7.65rem;
  overflow: visible;
  transform-origin: 50% 100%;
  animation: companion-idle 3.4s var(--ease-out) infinite;
}

.companion.is-photo .companion-figure {
  width: 7.23rem;
  height: 9.73rem;
}

.companion.is-photo .companion-shadow {
  bottom: 0.81rem;
  width: 3.82rem;
}

.companion-look {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: 50% 80%;
}

.companion-still,
.companion-clip {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  pointer-events: none;
  background: transparent;
}

.companion-still[hidden],
.companion-clip[hidden] {
  display: none !important;
}

.companion-figure svg,
.companion-figure img,
.companion-figure video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  overflow: visible;
}

.companion-figure .mascot-pupil {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 80ms linear;
}

.companion-figure .mascot-blinkers {
  animation: companion-blink 5.2s steps(1, end) infinite;
}

.companion.is-playing .companion-figure,
.companion.is-playing .companion-look {
  animation: none;
}

.companion-mascot:hover .companion-figure {
  animation-play-state: paused;
}

.companion.is-playing .companion-mascot:hover .companion-figure {
  transform: none;
}

.companion.is-photo.is-watching .companion-figure {
  filter: none;
}

.companion-label {
  display: none;
}

.companion.is-tucked {
  right: auto;
  left: max(0.75rem, env(safe-area-inset-left));
}

.companion.is-tucked .companion-stage,
.companion.is-tucked .companion-hint {
  justify-items: start;
  text-align: left;
}

.companion.is-tucked .companion-hint::after {
  right: auto;
  left: 1.5rem;
}

.companion.is-walking .companion-figure {
  animation: companion-walk 0.34s var(--ease-out) infinite;
}

.companion.is-photo.is-walking .companion-figure {
  animation: companion-trot 0.32s var(--ease-out) infinite;
}

.companion.is-hop .companion-figure {
  animation: companion-hop 0.52s var(--ease-out) 1;
}

.companion.is-nod .companion-figure {
  animation: companion-nod 0.7s var(--ease-out) 1;
}

.companion.is-glance .companion-look img,
.companion.is-glance .companion-look svg {
  animation: companion-glance 1.4s var(--ease-out) 1;
}

.companion.is-alert .companion-figure {
  animation: companion-alert 0.9s var(--ease-out) 1;
}

.companion.is-entering .companion-figure {
  animation: companion-enter 0.9s var(--ease-out) 1;
}

.companion.is-walking .mascot-foot-left {
  transform-origin: 62px 170px;
  animation: companion-step 0.34s ease-in-out infinite;
}

.companion.is-walking .mascot-foot-right {
  transform-origin: 98px 170px;
  animation: companion-step 0.34s ease-in-out infinite reverse;
}

.companion[data-mood="think"] .companion-figure {
  animation: companion-think 0.7s var(--ease-out) infinite;
}

.companion[data-mood="talk"] .mascot-arm-right {
  transform-origin: 122px 112px;
  animation: companion-wave 0.9s var(--ease-out) 1;
}

.companion[data-mood="talk"].is-photo .companion-figure {
  animation: companion-nod 0.8s var(--ease-out) 1;
}

.companion[data-mood="listen"].is-photo .companion-figure {
  animation: companion-listen 2.2s var(--ease-out) infinite;
}

.companion.is-open:not(.is-hop):not(.is-nod):not(.is-entering) .companion-figure {
  animation: companion-idle 3.8s var(--ease-out) infinite;
}

.companion.is-open .companion-mascot {
  position: absolute;
  right: 0.35rem;
  bottom: -0.15rem;
}

.companion-panel {
  position: relative;
  width: min(18rem, calc(100vw - 1.5rem));
  max-height: min(22rem, calc(100dvh - 10rem));
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  overflow: hidden;
  margin-bottom: 3.05rem;
  padding: 1.15rem 0.85rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 10px 28px rgb(4 20 64 / 0.1);
}

.companion-panel[hidden] {
  display: none;
}

.companion-close {
  position: absolute;
  top: 0.2rem;
  right: 0.3rem;
  width: 1.75rem;
  height: 1.75rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--steel);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.companion-log {
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 0.55rem;
  padding-right: 0.2rem;
  background: transparent;
}

.companion-msg {
  max-width: 92%;
}

.companion-msg p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

.companion-msg.is-assistant {
  color: var(--navy);
}

.companion-msg.is-user {
  justify-self: end;
  max-width: 80%;
  padding: 0.38rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--navy);
  color: var(--surface);
}

.companion-msg.is-user p {
  font-size: 0.84rem;
  line-height: 1.3;
}

.companion-wa {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--action-text);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
}

.companion-wa:hover {
  color: var(--navy);
}

.companion-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0.45rem 0 0.15rem;
  margin-right: 6.32rem;
}

.companion.has-started .companion-prompts {
  display: none;
}

.companion-prompts button {
  min-height: 1.7rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--steel-dark);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
}

.companion-prompts button:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.companion-form {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.45rem;
  margin-right: 6.32rem;
  padding: 0.2rem 0.2rem 0.2rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--canvas);
}

.companion-form input {
  width: 100%;
  min-height: 2.1rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--navy);
}

.companion-form input:focus {
  outline: none;
}

.companion-send {
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--action);
  color: var(--navy);
  cursor: pointer;
}

.companion-send svg {
  width: 0.9rem;
  height: 0.9rem;
}

.companion.is-busy .companion-send {
  opacity: 0.55;
}

@keyframes companion-idle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@keyframes companion-blink {
  0%, 92%, 100% { opacity: 0; }
  93%, 97% { opacity: 1; }
}

@keyframes companion-walk {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-4px) rotate(3deg); }
}

@keyframes companion-step {
  from { transform: rotate(-18deg); }
  to { transform: rotate(16deg); }
}

@keyframes companion-think {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-10px) scale(1.03); }
}

@keyframes companion-wave {
  0%, 100% { transform: rotate(0deg); }
  35% { transform: rotate(-28deg); }
  70% { transform: rotate(12deg); }
}

@keyframes companion-shadow {
  0%, 100% { transform: scaleX(1); opacity: 0.85; }
  50% { transform: scaleX(0.82); opacity: 0.55; }
}

@keyframes companion-trot {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-9px) rotate(4deg); }
}

@keyframes companion-hop {
  0% { transform: translateY(0) scale(1, 1); }
  35% { transform: translateY(-22px) scale(0.96, 1.06); }
  70% { transform: translateY(0) scale(1.06, 0.94); }
  100% { transform: translateY(0) scale(1, 1); }
}

@keyframes companion-nod {
  0%, 100% { transform: rotate(0deg) translateY(0); }
  40% { transform: rotate(8deg) translateY(6px); }
  70% { transform: rotate(-3deg) translateY(-2px); }
}

@keyframes companion-glance {
  0%, 100% { transform: rotate(0deg); }
  35% { transform: rotate(-10deg) translateX(-4px); }
  70% { transform: rotate(8deg) translateX(3px); }
}

@keyframes companion-alert {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-14px) rotate(-4deg); }
  60% { transform: translateY(-4px) rotate(3deg); }
}

@keyframes companion-enter {
  0% { transform: translateY(4.5rem) scale(0.9); opacity: 0; }
  65% { transform: translateY(-12px) scale(1.04); opacity: 1; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

@keyframes companion-listen {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-5px) rotate(-2deg); }
}

@media (max-width: 40rem) {
  .companion-panel {
    width: min(18rem, calc(100vw - 1.2rem));
    margin-bottom: 2.75rem;
  }

  .companion-form {
    margin-right: 5.63rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-scan-image {
    clip-path: inset(0);
  }

  .system-scan {
    display: none;
  }

  .method-strip li,
  .pluvial-flow > div,
  .case-hotspot,
  .case-hotspot span {
    opacity: 1;
    transform: none;
  }

  .method-strip::after {
    transform: translateX(2px) scaleY(1);
  }

  .hydraulic-field__route,
  .hydraulic-field__gauge {
    stroke-dashoffset: 0;
  }

  .hydraulic-field__node {
    opacity: 0.5;
    transform: none;
  }

  .case-hotspot::after {
    transform: scaleX(1);
  }


  .pluvial-flow::after {
    transform: scaleY(1);
  }

  .companion,
  .companion-figure,
  .companion-look,
  .companion-shadow,
  .companion-figure .mascot-blinkers,
  .companion.is-walking .companion-figure,
  .companion.is-walking .mascot-foot-left,
  .companion.is-walking .mascot-foot-right,
  .companion[data-mood="think"] .companion-figure,
  .companion[data-mood="talk"] .mascot-arm-right,
  .companion[data-mood="talk"].is-photo .companion-figure,
  .companion[data-mood="listen"].is-photo .companion-figure {
    animation: none !important;
    transform: none !important;
  }
}

@media (min-width: 48rem) and (prefers-reduced-motion: reduce) {
  .method-strip::after {
    transform: translateY(2px) scaleX(1);
  }
}

@media print {
  .site-header,
  .hero-actions,
  .contact-form,
  .site-footer,
  .companion {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    padding-block: 2rem;
    break-inside: avoid;
  }
}