:root {
  --color-navy: #051d2e;
  --color-teal: #6ec3bf;
  --color-yellow: #ffe143;
  --color-ink: #10212e;
  --color-muted: #58636e;
  --color-line: rgba(5, 29, 46, 0.14);
  --color-line-strong: rgba(5, 29, 46, 0.22);
  --color-surface: #ffffff;
  --color-soft: #f4f7f9;
  --color-soft-warm: #f8f7f2;
  --color-accent-wash: rgba(110, 195, 191, 0.12);
  --color-accent-mark: rgba(255, 225, 67, 0.55);
  --font-heading: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --space-2xs: clamp(0.4rem, 0.35rem + 0.2vw, 0.55rem);
  --space-xs: clamp(0.6rem, 0.5rem + 0.3vw, 0.85rem);
  --space-sm: clamp(0.9rem, 0.75rem + 0.4vw, 1.2rem);
  --space-md: clamp(1.25rem, 1rem + 0.65vw, 1.8rem);
  --space-lg: clamp(1.8rem, 1.3rem + 1.4vw, 2.9rem);
  --space-xl: clamp(2.6rem, 2rem + 2vw, 4.25rem);
  --space-2xl: clamp(4rem, 3rem + 3.4vw, 6.8rem);
  --space-3xl: clamp(6rem, 4.2rem + 6vw, 10rem);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-soft: 0 18px 40px rgba(5, 29, 46, 0.05);
  --shadow-line: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  --border-fine: 1px solid var(--color-line);
  --ease-standard: 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --site-max: 1440px;
  --content-max: 1320px;
  --text-max: 740px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-ink);
  background:
    linear-gradient(180deg, rgba(244, 247, 249, 0.8) 0%, rgba(244, 247, 249, 0) 18rem),
    linear-gradient(90deg, rgba(5, 29, 46, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, rgba(5, 29, 46, 0.025) 1px, transparent 1px),
    var(--color-soft-warm);
  background-size: auto, 120px 120px, 120px 120px, auto;
  font-family: var(--font-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

svg {
  display: block;
}

::selection {
  background: rgba(110, 195, 191, 0.28);
}

:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 50;
  padding: 0.7rem 1rem;
  background: var(--color-navy);
  color: #fff;
  transition: top var(--ease-standard);
}

.skip-link:focus {
  top: 1rem;
}

.site-shell {
  position: relative;
  overflow-x: clip;
}

.site-frame,
.section-frame,
.footer-frame,
.header-frame {
  width: min(calc(100% - 3rem), var(--content-max));
  margin-inline: auto;
}

.hero-frame {
  width: 100%;
  margin-inline: auto;
}

.section-frame--wide {
  width: min(calc(100% - 2rem), var(--site-max));
}

.narrow-copy {
  width: min(100%, 40rem);
}

.section {
  position: relative;
  padding-block: var(--space-2xl);
}

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

.section--flush-bottom {
  padding-bottom: 0;
}

.section-divider {
  border-top: var(--border-fine);
}

.section-label,
.meta-label,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-label::before,
.meta-label::before,
.eyebrow::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(110, 195, 191, 0.76), rgba(255, 225, 67, 0.72));
  opacity: 0.92;
}

.display-xl,
h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 0.95;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.6rem);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2.15rem, 4vw, 4rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.9rem);
  letter-spacing: -0.03em;
}

h4 {
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  letter-spacing: -0.02em;
}

p,
li {
  margin: 0;
  color: var(--color-ink);
}

.lede,
.intro-text {
  font-size: clamp(1rem, 1.1vw, 1.22rem);
  line-height: 1.72;
  color: var(--color-muted);
}

.text-small {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.text-note {
  font-size: 0.82rem;
  color: var(--color-muted);
}

.quiet-link,
.link-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  transition: color var(--ease-standard);
}

.quiet-link::after,
.link-arrow::after {
  content: "";
  width: 1.2rem;
  height: 1px;
  background: currentColor;
  transform-origin: left center;
  transition: transform var(--ease-standard), opacity var(--ease-standard);
}

.quiet-link:hover::after,
.quiet-link:focus-visible::after,
.link-arrow:hover::after,
.link-arrow:focus-visible::after {
  transform: scaleX(1.4);
}

.button-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  padding-bottom: 0.35rem;
  color: var(--color-navy);
  font-weight: 600;
}

.button-link::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(110, 195, 191, 0.82), rgba(255, 225, 67, 0.72));
  opacity: 0.5;
  transition: opacity var(--ease-standard), transform var(--ease-standard);
}

.button-link:hover::before,
.button-link:focus-visible::before {
  opacity: 1;
  transform: scaleX(1.04);
}

.button-link.is-accent {
  color: var(--color-ink);
}

.button-link.is-accent span {
  background:
    linear-gradient(
      90deg,
      rgba(110, 195, 191, 0.26) 0%,
      rgba(255, 225, 67, 0.46) 100%
    )
    0 100% / 100% 0.8em no-repeat;
}

.page-main {
  padding-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(248, 247, 242, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(5, 29, 46, 0.08);
  transition: background var(--ease-standard), border-color var(--ease-standard), transform var(--ease-standard);
}

.site-header.is-scrolled {
  background: rgba(248, 247, 242, 0.96);
  border-color: rgba(5, 29, 46, 0.14);
}

.header-frame {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-lg);
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  min-width: 0;
}

.brand img {
  width: clamp(8.75rem, 10vw, 12rem);
  height: auto;
  object-fit: contain;
}

.brand-mark {
  display: none;
}

.main-nav {
  display: flex;
  justify-content: center;
}

.main-nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.8vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a,
.nav-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  color: var(--color-ink);
  font-size: 0.98rem;
  font-weight: 500;
  white-space: nowrap;
}

.main-nav a::after,
.nav-trigger::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-yellow));
  opacity: 0;
  transform: scaleX(0.6);
  transform-origin: center;
  transition: opacity var(--ease-standard), transform var(--ease-standard);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after,
.main-nav .is-current::after,
.nav-trigger:hover::after,
.nav-trigger:focus-visible::after,
.nav-item.is-open > .nav-trigger::after {
  opacity: 0.8;
  transform: scaleX(1);
}

.nav-item {
  position: relative;
}

.nav-trigger-icon {
  display: inline-flex;
  width: 0.9rem;
  height: 0.9rem;
}

.nav-trigger-icon::before,
.nav-trigger-icon::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.55rem;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.nav-trigger-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform var(--ease-standard), opacity var(--ease-standard);
}

.nav-item.is-open .nav-trigger-icon::after {
  opacity: 0;
}

.nav-panel {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.85rem);
  transform: translateX(-50%) translateY(0.6rem);
  width: min(58rem, calc(100vw - 2rem));
  padding: var(--space-md);
  border: var(--border-fine);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-standard), transform var(--ease-standard);
}

.nav-item.is-open .nav-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-panel-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-md);
}

.nav-panel h3,
.nav-panel h4 {
  font-size: 0.9rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.nav-panel p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.nav-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-panel li + li {
  margin-top: 0.85rem;
}

.nav-panel a {
  min-height: 0;
  white-space: normal;
}

.nav-panel a::after {
  display: none;
}

.nav-panel-intro {
  padding-right: var(--space-sm);
  border-right: var(--border-fine);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-actions .button-link {
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  width: 2.9rem;
  height: 2.9rem;
  place-items: center;
  border: 1px solid rgba(5, 29, 46, 0.15);
}

.menu-toggle-line,
.menu-toggle-line::before,
.menu-toggle-line::after {
  content: "";
  display: block;
  width: 1.05rem;
  height: 1px;
  background: var(--color-navy);
  transition: transform var(--ease-standard), opacity var(--ease-standard);
}

.menu-toggle-line::before {
  transform: translateY(-0.35rem);
}

.menu-toggle-line::after {
  transform: translateY(0.3rem);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line::before {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line::after {
  transform: translateY(-0.05rem) rotate(-90deg);
}

.mobile-nav {
  display: none;
}

.home-hero {
  position: relative;
  padding-top: 0;
  padding-bottom: var(--space-xl);
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: min(56rem, 62vw);
  height: 34rem;
  background:
    radial-gradient(circle at 22% 26%, rgba(110, 195, 191, 0.16), transparent 54%),
    radial-gradient(circle at 78% 18%, rgba(255, 225, 67, 0.16), transparent 34%);
  pointer-events: none;
  filter: blur(14px);
}

.hero-scene {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(22rem, 0.72fr);
  grid-template-rows: 1fr auto;
  gap: var(--space-lg);
  height: auto;
  min-height: 75vh;
  padding: clamp(1.5rem, 2vw, 2rem) clamp(2rem, 2.8vw, 3rem);
  overflow: clip;
  border-top: 1px solid rgba(5, 29, 46, 0.1);
  border-bottom: 1px solid rgba(5, 29, 46, 0.1);
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  background: var(--color-navy);
  box-shadow: 0 20px 50px rgba(5, 29, 46, 0.08);
  isolation: isolate;
}

.hero-scene::before,
.hero-scene::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-scene::before {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(5, 29, 46, 0.08) 0%, rgba(5, 29, 46, 0.34) 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: auto, 96px 96px, 96px 96px;
}

.hero-scene::after {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(248, 247, 242, 0.98) 0%, rgba(248, 247, 242, 0.92) 38%, rgba(248, 247, 242, 0.38) 60%, rgba(248, 247, 242, 0) 78%),
    linear-gradient(180deg, rgba(248, 247, 242, 0.18) 0%, rgba(248, 247, 242, 0) 20%),
    linear-gradient(0deg, rgba(5, 29, 46, 0.22) 0%, rgba(5, 29, 46, 0) 22%),
    radial-gradient(circle at 82% 18%, rgba(255, 225, 67, 0.2), transparent 22%),
    radial-gradient(circle at 68% 76%, rgba(110, 195, 191, 0.18), transparent 28%);
}

.hero-scene[data-route-scene="installer"]::after {
  background:
    linear-gradient(90deg, rgba(248, 247, 242, 0.98) 0%, rgba(248, 247, 242, 0.9) 36%, rgba(248, 247, 242, 0.36) 58%, rgba(248, 247, 242, 0) 78%),
    linear-gradient(180deg, rgba(248, 247, 242, 0.16) 0%, rgba(248, 247, 242, 0) 20%),
    linear-gradient(0deg, rgba(5, 29, 46, 0.22) 0%, rgba(5, 29, 46, 0) 22%),
    radial-gradient(circle at 78% 18%, rgba(110, 195, 191, 0.22), transparent 24%),
    radial-gradient(circle at 88% 74%, rgba(255, 225, 67, 0.14), transparent 26%);
}

.hero-scene[data-route-scene="orientation"]::after {
  background:
    linear-gradient(90deg, rgba(248, 247, 242, 0.98) 0%, rgba(248, 247, 242, 0.9) 36%, rgba(248, 247, 242, 0.38) 58%, rgba(248, 247, 242, 0) 78%),
    linear-gradient(180deg, rgba(248, 247, 242, 0.16) 0%, rgba(248, 247, 242, 0) 20%),
    linear-gradient(0deg, rgba(5, 29, 46, 0.22) 0%, rgba(5, 29, 46, 0) 22%),
    radial-gradient(circle at 84% 16%, rgba(255, 225, 67, 0.18), transparent 22%),
    radial-gradient(circle at 76% 70%, rgba(110, 195, 191, 0.2), transparent 28%);
}

.hero-visual-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-visual-main {
  position: absolute;
  display: block;
}

.hero-visual-main {
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  object-fit: cover;
  object-position: center center;
  object-position: center 42%;
  filter: saturate(0.88) contrast(1.03) brightness(0.86);
}

.hero-copy,
.hero-route-panel,
.hero-route-rail {
  position: relative;
  z-index: 2;
}

.hero-copy {
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  display: grid;
  gap: var(--space-md);
  width: min(100%, 48rem);
  padding-top: clamp(0.5rem, 1.4vw, 1rem);
}

.hero-copy h1 {
  max-width: 10.8ch;
  font-size: clamp(3.3rem, 5.5vw, 5.9rem);
}

.hero-copy .section-label,
.hero-copy .lede {
  color: rgba(16, 33, 46, 0.78);
}

.hero-support {
  display: grid;
  gap: var(--space-md);
  width: min(100%, 31rem);
}

.hero-support .lede {
  max-width: 28rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}

.hero-route-panel {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  justify-self: end;
  display: grid;
  gap: 1.25rem;
  width: min(100%, 25rem);
  margin-top: clamp(0.5rem, 2vw, 1.25rem);
  padding: clamp(1.1rem, 1.3vw, 1.35rem);
  border: 1px solid rgba(5, 29, 46, 0.1);
  border-radius: 1.5rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74) 0%, rgba(248, 247, 242, 0.82) 100%);
  backdrop-filter: blur(14px);
}

.route-context-head {
  padding-top: 0;
  border-top: 0;
}

.route-context-head h2 {
  font-size: clamp(1.45rem, 1.8vw, 1.95rem);
  line-height: 1.04;
  max-width: 12ch;
}

.route-context-head p {
  margin-top: 0.75rem;
  max-width: 23rem;
  color: var(--color-muted);
}

.route-context-list {
  display: grid;
  gap: 0.9rem;
  border-top: var(--border-fine);
  padding-top: 1rem;
}

.route-context-list li {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.9rem;
  align-items: start;
  list-style: none;
}

.route-index {
  color: var(--color-muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-context-list strong {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
}

.route-context-list span:last-child {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.hero-proof {
  display: grid;
  gap: 0.55rem;
  max-width: 30rem;
  padding-top: 0.25rem;
}

.hero-proof strong {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.hero-proof p {
  width: min(100%, 29rem);
  color: var(--color-muted);
  font-size: 0.96rem;
}

.hero-stage-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero-route-rail {
  grid-column: 1 / -1;
  grid-row: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr) minmax(0, 0.85fr);
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1.25rem;
  background: linear-gradient(180deg, rgba(248, 247, 242, 0.8) 0%, rgba(248, 247, 242, 0.7) 100%);
  backdrop-filter: blur(12px);
}

.route-toggle {
  position: relative;
  display: grid;
  gap: 0.7rem;
  align-content: start;
  min-height: 0;
  padding: 1.25rem 1.4rem;
  border-right: 1px solid rgba(5, 29, 46, 0.1);
  text-align: left;
  transition: background var(--ease-standard), border-color var(--ease-standard), transform var(--ease-standard);
}

.route-toggle:last-child {
  border-right: 0;
}

.route-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.route-title {
  font-family: var(--font-heading);
  font-size: clamp(1.12rem, 1.6vw, 1.55rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.route-toggle p {
  max-width: 30ch;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.route-toggle::after {
  content: "";
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-yellow), rgba(255, 225, 67, 0));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease-standard);
}

.route-toggle.is-active,
.route-toggle:hover,
.route-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.34);
}

.route-toggle.is-active::after,
.route-toggle:hover::after,
.route-toggle:focus-visible::after {
  transform: scaleX(1);
}

.problem-grid,
.feature-grid,
.closing-grid,
.page-hero-grid,
.editorial-grid,
.contact-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-md);
}

.problem-heading {
  grid-column: 1 / span 4;
}

.problem-statement {
  grid-column: 5 / span 4;
}

.problem-statement h2 {
  max-width: 10ch;
}

.problem-list {
  grid-column: 9 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.problem-list li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-sm);
  padding-block: 1.05rem;
  border-bottom: var(--border-fine);
}

.problem-list strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1rem;
  font-weight: 600;
}

.problem-list span {
  color: var(--color-muted);
}

.architecture-grid {
  display: grid;
  gap: var(--space-lg);
}

.architecture-header {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-md);
  align-items: end;
}

.architecture-header h2 {
  grid-column: 1 / span 6;
  max-width: 12ch;
}

.architecture-header p {
  grid-column: 8 / -1;
  max-width: 29rem;
}

.architecture-shell {
  overflow-x: auto;
  border-top: 1px solid rgba(5, 29, 46, 0.16);
  border-bottom: 1px solid rgba(5, 29, 46, 0.16);
}

.architecture-table {
  width: 100%;
  min-width: 62rem;
  border-collapse: collapse;
}

.architecture-table thead th {
  padding: 1rem 0.5rem;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
}

.architecture-table thead th:first-child {
  padding-left: 0;
  text-align: left;
}

.architecture-table tbody tr {
  transition: background var(--ease-standard);
}

.architecture-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.65);
}

.architecture-table th[scope="row"],
.architecture-table td {
  padding: 1.2rem 0.5rem;
  border-top: var(--border-fine);
}

.architecture-table th[scope="row"] {
  padding-left: 0;
  width: 21rem;
  text-align: left;
}

.architecture-table strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.architecture-table span {
  color: var(--color-muted);
  font-size: 0.94rem;
}

.architecture-table td {
  text-align: center;
}

.cell-dot {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(5, 29, 46, 0.1);
  box-shadow: inset 0 0 0 1px rgba(5, 29, 46, 0.08);
}

.cell-dot.is-active {
  background: var(--color-teal);
  box-shadow: none;
}

.feature-grid {
  align-items: start;
}

.feature-copy {
  grid-column: 1 / span 4;
  display: grid;
  gap: var(--space-md);
}

.feature-copy h2,
.page-hero-copy h1 {
  max-width: 10ch;
}

.feature-media {
  grid-column: 5 / span 5;
  min-height: 31rem;
  overflow: clip;
  border-radius: 1.35rem;
}

.feature-media img,
.page-hero-media img,
.case-feature-media img,
.contact-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-aside {
  grid-column: 10 / -1;
  border-top: var(--border-fine);
}

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

.vertical-points li {
  display: grid;
  grid-template-columns: 2.8rem 1fr;
  gap: 0.85rem;
  padding-block: 1rem;
  border-bottom: var(--border-fine);
}

.vertical-points strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.98rem;
  font-weight: 600;
}

.vertical-points span {
  color: var(--color-muted);
}

.installers-band {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(110, 195, 191, 0.08) 100%);
}

.installers-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-md);
  align-items: start;
}

.installers-grid .feature-media {
  grid-column: 1 / span 6;
  min-height: 28rem;
}

.installers-copy {
  grid-column: 8 / -1;
  display: grid;
  gap: var(--space-md);
}

.support-ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.support-ledger li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.95rem;
  border-bottom: var(--border-fine);
}

.support-ledger span:last-child {
  color: var(--color-muted);
}

.sequence-shell {
  border-top: var(--border-fine);
  border-bottom: var(--border-fine);
}

.sequence-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sequence-step {
  padding: var(--space-md) var(--space-sm);
  border-right: var(--border-fine);
}

.sequence-step:last-child {
  border-right: 0;
}

.sequence-step strong {
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.sequence-step p {
  color: var(--color-muted);
}

.case-grid {
  align-items: start;
}

.case-feature {
  grid-column: 1 / span 8;
  display: grid;
  gap: var(--space-sm);
}

.case-feature-media {
  aspect-ratio: 16 / 10;
  overflow: clip;
  border-radius: 1.35rem;
}

.case-feature-meta,
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.2rem;
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-feature p {
  max-width: 32rem;
  color: var(--color-muted);
}

.case-index {
  grid-column: 10 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.case-index li {
  border-bottom: var(--border-fine);
}

.case-index a {
  display: grid;
  gap: 0.4rem;
  padding-block: 1rem;
}

.case-index strong {
  font-size: 1rem;
  font-weight: 600;
}

.case-index span {
  color: var(--color-muted);
}

.archive-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.9fr;
  gap: var(--space-md);
  align-items: start;
}

.archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.archive-list li {
  border-bottom: var(--border-fine);
}

.archive-list a,
.archive-list article {
  display: grid;
  gap: 0.35rem;
  padding-block: 1rem;
}

.archive-list strong {
  font-size: 1rem;
  font-weight: 600;
}

.archive-list time,
.archive-list span,
.archive-list p {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.archive-list .archive-type {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.closing-grid {
  align-items: start;
  border-top: var(--border-fine);
  padding-top: var(--space-lg);
}

.closing-copy {
  grid-column: 1 / span 5;
}

.closing-links {
  grid-column: 8 / -1;
  display: grid;
  gap: 0.9rem;
  padding-top: 0.2rem;
}

.closing-links a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: var(--border-fine);
  font-weight: 600;
}

.closing-links span:last-child {
  color: var(--color-muted);
  font-weight: 500;
}

.site-footer {
  padding-block: var(--space-xl) var(--space-lg);
  background: #fbfbf8;
  border-top: 1px solid rgba(5, 29, 46, 0.12);
}

.footer-frame {
  display: grid;
  gap: var(--space-lg);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-top p {
  max-width: 30rem;
  color: var(--color-muted);
}

.footer-nav-group h3 {
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-nav-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav-group li + li {
  margin-top: 0.65rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: var(--space-sm);
  border-top: var(--border-fine);
  color: var(--color-muted);
  font-size: 0.92rem;
}

.page-hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.page-hero-copy {
  grid-column: 1 / span 7;
  display: grid;
  gap: var(--space-md);
}

.page-hero-copy p {
  max-width: 38rem;
}

.page-hero-side {
  grid-column: 9 / -1;
  align-self: end;
  display: grid;
  gap: 1rem;
  border-top: var(--border-fine);
  padding-top: 1rem;
}

.page-hero-side dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
  margin: 0;
}

.page-hero-side dt {
  color: var(--color-muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-hero-side dd {
  margin: 0;
  font-weight: 600;
}

.page-hero-media {
  margin-top: var(--space-lg);
  min-height: 28rem;
  overflow: clip;
  border-radius: 1.5rem;
}

.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.editorial-grid .content-column {
  grid-column: 1 / span 7;
  display: grid;
  gap: var(--space-lg);
}

.editorial-grid .aside-column {
  grid-column: 9 / -1;
  display: grid;
  gap: var(--space-md);
  align-content: start;
}

.content-flow {
  display: grid;
  gap: var(--space-lg);
}

.content-flow h2 {
  max-width: 12ch;
}

.content-flow h3 {
  font-size: clamp(1.45rem, 1.8vw, 2rem);
}

.content-flow p,
.content-flow li {
  color: var(--color-muted);
}

.editorial-list,
.simple-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.editorial-list {
  border-top: var(--border-fine);
}

.editorial-list li {
  padding-block: 1rem;
  border-bottom: var(--border-fine);
}

.editorial-list li strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1rem;
  color: var(--color-ink);
}

.editorial-figure {
  aspect-ratio: 16 / 10;
  overflow: clip;
  margin: 0;
  border-radius: 1.35rem;
}

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

.data-strip,
.tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
  padding-top: 0.85rem;
  border-top: var(--border-fine);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.data-strip strong,
.tag-strip strong {
  color: var(--color-ink);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.spec-item {
  padding-top: 0.9rem;
  border-top: var(--border-fine);
}

.spec-item strong {
  display: block;
  margin-bottom: 0.4rem;
}

.qualifier-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(5, 29, 46, 0.16);
  border-bottom: 1px solid rgba(5, 29, 46, 0.16);
}

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

.qualifier-choices li {
  border-bottom: var(--border-fine);
}

.checkline {
  display: grid;
  grid-template-columns: 1.8rem 1fr;
  gap: 0.9rem;
  align-items: center;
  padding-block: 1rem;
}

.checkline input {
  appearance: none;
  width: 1.15rem;
  height: 1.15rem;
  border: 1px solid rgba(5, 29, 46, 0.35);
  border-radius: 50%;
  position: relative;
  transition: border-color var(--ease-standard), background var(--ease-standard);
}

.checkline input:checked {
  border-color: var(--color-teal);
  background: var(--color-teal);
}

.checkline input:checked::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.4rem;
  height: 0.4rem;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.qualifier-result {
  display: grid;
  gap: 1rem;
  align-content: start;
  padding-top: 0.9rem;
}

.qualifier-result h3 {
  max-width: 10ch;
}

.qualifier-count {
  color: var(--color-muted);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.inline-summary {
  min-height: 4.5rem;
  color: var(--color-muted);
}

.project-filter-rail,
.subsidy-filter-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  padding-block: 1rem;
  border-top: var(--border-fine);
  border-bottom: var(--border-fine);
}

.filter-button {
  position: relative;
  padding-bottom: 0.35rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--ease-standard);
}

.filter-button::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: left;
  transition: opacity var(--ease-standard), transform var(--ease-standard);
}

.filter-button.is-active,
.filter-button:hover,
.filter-button:focus-visible {
  color: var(--color-ink);
}

.filter-button.is-active::after,
.filter-button:hover::after,
.filter-button:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.portfolio-feature {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.portfolio-feature .case-feature-media {
  aspect-ratio: 15 / 10;
}

.portfolio-stack {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.portfolio-stack li {
  border-bottom: var(--border-fine);
  transition: background var(--ease-standard);
}

.portfolio-stack li.is-hidden {
  display: none;
}

.portfolio-stack a,
.portfolio-stack article {
  display: grid;
  grid-template-columns: 7rem 1fr auto;
  gap: 1rem;
  align-items: center;
  padding-block: 1.05rem;
}

.portfolio-stack time,
.portfolio-stack span {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.portfolio-stack strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1rem;
}

.contact-grid .content-column {
  grid-column: 1 / span 5;
  display: grid;
  gap: var(--space-md);
}

.contact-grid .aside-column {
  grid-column: 7 / -1;
}

.routing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.routing-list li {
  border-bottom: var(--border-fine);
}

.routing-option {
  display: grid;
  grid-template-columns: 1.2rem 1fr auto;
  align-items: center;
  gap: 0.9rem;
  padding-block: 0.95rem;
}

.routing-option input {
  appearance: none;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  border: 1px solid rgba(5, 29, 46, 0.35);
  position: relative;
}

.routing-option input:checked {
  border-color: var(--color-teal);
  background: var(--color-teal);
}

.routing-option input:checked::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
}

.contact-form {
  display: grid;
  gap: 1.05rem;
  margin-top: var(--space-md);
}

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

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-size: 0.88rem;
  color: var(--color-muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 0;
  border: 0;
  border-bottom: 1px solid rgba(5, 29, 46, 0.2);
  background: transparent;
  transition: border-color var(--ease-standard);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-navy);
}

.field textarea {
  min-height: 8rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.92rem;
  color: var(--color-muted);
}

.checkbox-row input {
  appearance: none;
  width: 1rem;
  height: 1rem;
  border: 1px solid rgba(5, 29, 46, 0.3);
  position: relative;
}

.checkbox-row input:checked {
  border-color: var(--color-teal);
  background: var(--color-teal);
}

.checkbox-row input:checked::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.42rem;
  height: 0.42rem;
  background: #fff;
  transform: translate(-50%, -50%);
}

.form-submit {
  justify-self: start;
}

.contact-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-fine);
}

.contact-meta li {
  display: grid;
  gap: 0.2rem;
  padding-block: 1rem;
  border-bottom: var(--border-fine);
}

.contact-meta span {
  color: var(--color-muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.smart-note {
  padding-top: 1rem;
  border-top: var(--border-fine);
  color: var(--color-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(1.2rem);
  transition: opacity 700ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.mobile-cta {
  display: none;
}

@media (max-width: 1180px) {
  .header-frame {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .main-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .mobile-nav {
    display: block;
    position: fixed;
    inset: 5rem 0 auto;
    height: calc(100dvh - 5rem);
    padding: 1.25rem 1rem 6rem;
    background: rgba(248, 247, 242, 0.98);
    border-top: 1px solid rgba(5, 29, 46, 0.08);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.6rem);
    transition: opacity var(--ease-standard), transform var(--ease-standard);
    overflow-y: auto;
  }

  .mobile-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: var(--border-fine);
  }

  .mobile-nav li {
    border-bottom: var(--border-fine);
  }

  .mobile-link,
  .mobile-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
  }

  .mobile-panel {
    display: none;
    padding-bottom: 1rem;
  }

  .mobile-panel.is-open {
    display: block;
  }

  .mobile-panel a {
    display: block;
    padding: 0.5rem 0 0.5rem 1rem;
    color: var(--color-muted);
  }

  .route-plane-grid,
  .hero-stage,
  .problem-grid,
  .architecture-header,
  .feature-grid,
  .installers-grid,
  .case-grid,
  .page-hero-grid,
  .editorial-grid,
  .contact-grid,
  .footer-top,
  .archive-grid,
  .portfolio-feature {
    grid-template-columns: 1fr;
  }

  .hero-grid h1,
  .hero-support,
  .problem-heading,
  .problem-statement,
  .problem-list,
  .feature-copy,
  .feature-media,
  .feature-aside,
  .installers-grid .feature-media,
  .installers-copy,
  .case-feature,
  .case-index,
  .page-hero-copy,
  .page-hero-side,
  .editorial-grid .content-column,
  .editorial-grid .aside-column,
  .contact-grid .content-column,
  .contact-grid .aside-column,
  .closing-copy,
  .closing-links,
  .architecture-header h2,
  .architecture-header p {
    grid-column: auto;
  }

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

  .hero-tableau {
    grid-template-columns: 1fr;
  }

  .route-toggle {
    min-height: 10rem;
    border-right: 0;
    border-bottom: var(--border-fine);
  }

  .route-toggle:last-child {
    border-bottom: 0;
  }

  .hero-stage-figure,
  .feature-media,
  .installers-grid .feature-media,
  .page-hero-media {
    min-height: 22rem;
  }

  .hero-stage-inset {
    width: min(38%, 11rem);
    top: 1rem;
    right: 1rem;
  }

  .archive-grid > * + * {
    margin-top: var(--space-sm);
  }

  .sequence-track,
  .spec-grid,
  .field-grid,
  .qualifier-shell {
    grid-template-columns: 1fr;
  }

  .portfolio-stack a,
  .portfolio-stack article {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  body {
    background-size: auto, 72px 72px, 72px 72px, auto;
  }

  .site-frame,
  .section-frame,
  .footer-frame,
  .header-frame {
    width: min(calc(100% - 1.5rem), var(--content-max));
  }

  .site-header {
    backdrop-filter: blur(12px);
  }

  .brand img {
    width: 7.5rem;
  }

  .home-hero,
  .page-hero {
    padding-top: var(--space-lg);
  }

  .hero-stage-figure,
  .feature-media,
  .installers-grid .feature-media,
  .page-hero-media {
    min-height: 18rem;
  }

  .hero-stage-inset {
    width: min(42%, 9rem);
  }

  .route-context-list li,
  .problem-list li,
  .vertical-points li {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .mobile-cta {
    position: fixed;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    z-index: 35;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.95rem 1rem;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(5, 29, 46, 0.12);
    box-shadow: 0 16px 28px rgba(5, 29, 46, 0.08);
  }

  .mobile-cta span:last-child {
    color: var(--color-muted);
    font-size: 0.86rem;
  }
}

@media (max-width: 1180px) {
  .hero-scene {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    height: auto;
    min-height: 75vh;
  }

  .hero-copy,
  .hero-route-panel,
  .hero-route-rail {
    grid-column: 1;
  }

  .hero-copy {
    grid-row: 1;
    max-width: 40rem;
  }

  .hero-route-panel {
    grid-row: 2;
    justify-self: start;
    width: min(100%, 32rem);
    margin-top: 0;
  }

  .hero-route-rail {
    grid-row: 3;
    grid-template-columns: 1fr;
  }

  .hero-route-rail .route-toggle {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(5, 29, 46, 0.1);
  }

  .hero-route-rail .route-toggle:last-child {
    border-bottom: 0;
  }

}

@media (max-width: 820px) {
  .hero-frame {
    width: 100%;
  }

  .hero-scene {
    gap: var(--space-md);
    height: auto;
    min-height: 75vh;
    padding: 1rem;
  }

  .hero-scene::after,
  .hero-scene[data-route-scene="installer"]::after,
  .hero-scene[data-route-scene="orientation"]::after {
    background:
      linear-gradient(180deg, rgba(248, 247, 242, 0.96) 0%, rgba(248, 247, 242, 0.9) 46%, rgba(248, 247, 242, 0.18) 72%, rgba(248, 247, 242, 0) 100%),
      linear-gradient(0deg, rgba(5, 29, 46, 0.5) 0%, rgba(5, 29, 46, 0) 30%),
      radial-gradient(circle at 78% 16%, rgba(255, 225, 67, 0.18), transparent 22%),
      radial-gradient(circle at 72% 70%, rgba(110, 195, 191, 0.18), transparent 26%);
  }

  .hero-copy {
    width: min(100%, 21rem);
    gap: var(--space-md);
    padding-top: 0.35rem;
  }

  .hero-support {
    width: min(100%, 20rem);
  }

  .hero-route-panel {
    width: 100%;
    padding: 1rem;
    border-radius: 1.2rem;
  }

  .hero-proof p {
    display: none;
  }

  .hero-route-rail {
    border-radius: 1rem;
  }

  .hero-route-rail .route-toggle {
    padding: 1rem;
  }

}

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

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

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