@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Source+Sans+3:wght@400;500;600;700&display=swap");

:root {
  /* Editable: Core VerdaCore palette */
  --bg: #def8ef;
  --bg-soft: #d8ecf8;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #f8fffc;
  --text: #0d2019;
  --muted: #23493b;
  --muted-soft: #2f6453;
  --brand: #0f8f63;
  --brand-deep: #0b5e43;
  --accent: #1cb389;
  --rain: #2f94bf;
  --border: rgba(12, 71, 52, 0.2);
  --shadow: 0 16px 42px rgba(12, 57, 42, 0.15);
  --radius-lg: 1.4rem;
  --radius-md: 1rem;
  --container: min(1120px, 92vw);
  --section-space: clamp(3.7rem, 6.8vw, 5.9rem);
  --ease: cubic-bezier(0.2, 0.68, 0.18, 1);
  --tile-ease: cubic-bezier(0.2, 0.86, 0.23, 1);

  /* Editable: Animation timing */
  --reveal-duration: 560ms;
  --reveal-distance: 16px;
  --tile-transition: 820ms;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(165deg, var(--bg) 0%, #d4f1e6 38%, var(--bg-soft) 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background:
    radial-gradient(88% 105% at -12% -8%, rgba(19, 165, 110, 0.34), rgba(19, 165, 110, 0) 62%),
    radial-gradient(84% 112% at 110% -18%, rgba(58, 148, 209, 0.28), rgba(58, 148, 209, 0) 67%),
    radial-gradient(100% 122% at 50% 108%, rgba(242, 182, 94, 0.2), rgba(242, 182, 94, 0) 70%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(13, 92, 66, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 92, 66, 0.2) 1px, transparent 1px);
  background-size: 104px 104px;
}

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

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

p {
  margin: 0;
  color: var(--muted);
}

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

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.05rem, 4vw, 3.3rem);
}

h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.35rem);
}

h3 {
  font-size: clamp(1.12rem, 1.8vw, 1.3rem);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.narrow {
  max-width: 800px;
}

.section {
  position: relative;
  padding: var(--section-space) 0;
}

main [id] {
  scroll-margin-top: 6.4rem;
}

.section::before {
  content: "";
  position: absolute;
  inset: 10% -18%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(60% 80% at 50% 50%, rgba(122, 159, 128, 0.22), rgba(122, 159, 128, 0));
}

.section-soft {
  background: linear-gradient(110deg, rgba(229, 247, 237, 0.88), rgba(216, 236, 247, 0.9));
  border-top: 1px solid rgba(13, 86, 60, 0.12);
  border-bottom: 1px solid rgba(13, 86, 60, 0.12);
}

.section-head {
  max-width: 760px;
  margin-bottom: 1.9rem;
  display: grid;
  gap: 0.9rem;
}

.section-head p {
  font-size: 1.05rem;
  line-height: 1.58;
  color: var(--muted-soft);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-deep);
  background: rgba(47, 123, 83, 0.14);
  border: 1px solid rgba(47, 123, 83, 0.24);
  border-radius: 999px;
  padding: 0.38rem 0.72rem;
}

.lead {
  font-size: clamp(1.08rem, 2.2vw, 1.23rem);
  line-height: 1.62;
  color: var(--muted-soft);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.45rem 0.7rem;
  border-radius: 0.45rem;
  background: var(--text);
  color: #fff;
  z-index: 1200;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.86rem 0 0.35rem;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  border: 1px solid rgba(19, 62, 44, 0.22);
  background: rgba(248, 252, 248, 0.86);
  box-shadow: 0 8px 26px rgba(14, 42, 31, 0.1);
  backdrop-filter: blur(14px);
  transition: border-color 280ms var(--ease), box-shadow 280ms var(--ease), background 280ms var(--ease);
}

.site-header.is-scrolled .nav-shell {
  background: rgba(251, 254, 251, 0.94);
  box-shadow: 0 12px 26px rgba(14, 42, 31, 0.16);
  border-color: rgba(19, 62, 44, 0.28);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.56rem;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 600;
  font-size: 0.98rem;
  white-space: nowrap;
}

.brand img {
  width: 1.4rem;
  height: 1.4rem;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.92rem;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.42rem 0.76rem;
  transition: color 220ms var(--ease), background 220ms var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(45, 100, 72, 0.14);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.72rem 1.15rem;
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease), color 220ms var(--ease), border-color 220ms var(--ease);
}

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

.btn-small {
  padding: 0.56rem 0.86rem;
  font-size: 0.84rem;
}

.btn-primary {
  color: #f6fffa;
  background: linear-gradient(120deg, var(--brand-deep), var(--brand));
  box-shadow: 0 9px 22px rgba(23, 76, 49, 0.28);
}

.btn-outline {
  color: var(--brand-deep);
  border-color: rgba(29, 89, 57, 0.38);
  background: rgba(255, 255, 255, 0.62);
}

.btn-ghost {
  color: var(--brand-deep);
  border-color: rgba(29, 89, 57, 0.36);
  background: rgba(252, 255, 252, 0.64);
}

.hero {
  padding-top: clamp(3.1rem, 6vw, 5.4rem);
}

.hero-grid {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.95fr);
  align-items: stretch;
}

.hero-copy {
  display: grid;
  gap: 1.05rem;
  align-content: start;
}

.hero-copy strong {
  color: var(--brand-deep);
}

.hero-copy .lead {
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  gap: 0.68rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.62rem;
  margin-top: 0.15rem;
  max-width: 700px;
}

.hero-meta article {
  border-radius: 0.92rem;
  border: 1px solid rgba(16, 92, 65, 0.2);
  background: rgba(245, 254, 249, 0.82);
  box-shadow: 0 12px 26px rgba(16, 67, 49, 0.12);
  padding: 0.68rem 0.75rem;
  display: grid;
  gap: 0.24rem;
}

.hero-meta-label {
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.69rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #1a6246;
}

.hero-meta-value {
  font-size: 0.95rem;
  color: var(--text);
}

.hero-highlights {
  display: grid;
  gap: 0.52rem;
  margin-top: 0.38rem;
}

.hero-highlights li {
  position: relative;
  padding-left: 1.2rem;
  line-height: 1.44;
  color: var(--muted);
}

.hero-highlights li::before {
  content: "";
  position: absolute;
  left: 0.08rem;
  top: 0.44rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--brand), var(--accent));
}

.hero-visual {
  position: relative;
  min-height: 100%;
}

.innovation-illustration {
  position: relative;
  min-height: 434px;
  border-radius: 1.6rem;
  border: 1px solid rgba(21, 76, 56, 0.24);
  background:
    linear-gradient(155deg, rgba(249, 255, 252, 0.96), rgba(232, 245, 238, 0.94)),
    radial-gradient(120% 110% at 50% -18%, rgba(149, 206, 183, 0.36), rgba(149, 206, 183, 0));
  box-shadow: 0 24px 54px rgba(13, 68, 49, 0.19);
  overflow: hidden;
  padding: 1rem;
}

.visual-orb {
  position: absolute;
  width: 240px;
  height: 240px;
  top: -88px;
  right: -72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 180, 129, 0.28), rgba(27, 180, 129, 0));
  pointer-events: none;
}

.visual-grid {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(51, 98, 72, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 98, 72, 0.24) 1px, transparent 1px);
  background-size: 56px 56px;
}

.visual-cloud {
  position: absolute;
  top: 1.15rem;
  left: 17%;
  width: 66%;
  height: 90px;
  border-radius: 60px;
  background: radial-gradient(circle at 35% 45%, rgba(255, 255, 255, 0.86) 0%, rgba(255, 255, 255, 0) 62%);
}

.visual-rain {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.86), transparent 74%);
}

.visual-rain span {
  position: absolute;
  top: 17%;
  width: 2px;
  height: 55px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(210, 236, 247, 0.08), rgba(82, 136, 163, 0.76));
  animation: hero-rain 1.45s linear infinite;
  animation-delay: var(--delay);
}

.visual-house {
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 16.5%;
  height: 142px;
  border-radius: 0.86rem;
  border: 1px solid rgba(35, 84, 62, 0.34);
  background: linear-gradient(180deg, rgba(240, 249, 243, 0.94), rgba(208, 224, 214, 0.97));
}

.visual-house::before {
  content: "";
  position: absolute;
  width: 30px;
  height: 68px;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  border-radius: 0.42rem 0.42rem 0 0;
  border: 1px solid rgba(31, 70, 52, 0.24);
  background: linear-gradient(180deg, #8ea89a, #6f8b7d);
}

.visual-roof {
  position: absolute;
  top: 37%;
  left: 14%;
  right: 14%;
  height: 76px;
  border-radius: 0.86rem;
  transform: skewX(-26deg);
  border: 1px solid rgba(31, 57, 45, 0.35);
  background: linear-gradient(180deg, #628373, #3b584a 78%);
}

.visual-tiles {
  position: absolute;
  top: 40.2%;
  left: 17%;
  right: 17%;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.45rem;
  transform: skewX(-26deg);
}

.visual-tile {
  height: 22px;
  border-radius: 0.34rem 0.34rem 0.48rem 0.48rem;
  border: 1px solid rgba(32, 57, 45, 0.38);
  background: linear-gradient(180deg, #6f8d7c, #4b6558 62%, #31473c);
  box-shadow: inset 0 4px 6px rgba(255, 255, 255, 0.14), 0 5px 10px rgba(17, 36, 28, 0.24);
}

.visual-tile:nth-child(n + 6) {
  transform: translateY(-5px);
}

.visual-module {
  position: absolute;
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.01em;
  background: rgba(247, 255, 251, 0.94);
  border: 1px solid rgba(33, 82, 58, 0.3);
  color: #1f4f38;
}

.module-a {
  top: 10%;
  left: 9%;
  background: linear-gradient(130deg, rgba(239, 255, 248, 0.98), rgba(213, 243, 230, 0.95));
  border-color: rgba(18, 106, 75, 0.38);
  color: #0f5e43;
  box-shadow: 0 10px 22px rgba(13, 89, 62, 0.17);
}

.module-b {
  top: 22%;
  right: 10%;
}

.module-c {
  bottom: 26%;
  right: 12%;
}

.visual-kpi {
  position: absolute;
  left: 9%;
  right: 44%;
  bottom: 12%;
  border-radius: 0.86rem;
  border: 1px solid rgba(19, 93, 66, 0.24);
  background: rgba(248, 255, 251, 0.92);
  padding: 0.58rem 0.66rem;
  box-shadow: 0 10px 24px rgba(13, 73, 52, 0.14);
}

.visual-kpi-label {
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1d6148;
}

.visual-kpi-value {
  margin-top: 0.16rem;
  font-size: 0.88rem;
  color: #123e2e;
  line-height: 1.32;
}

.visual-caption {
  position: absolute;
  left: 9%;
  right: 9%;
  bottom: 1.2rem;
  font-size: 0.83rem;
  color: #234e38;
  letter-spacing: 0.01em;
}

.mission-shell {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(32, 73, 53, 0.2);
  background: rgba(248, 252, 249, 0.84);
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3vw, 1.7rem);
  display: grid;
  gap: 0.75rem;
}

.mission-shell p {
  max-width: 840px;
  line-height: 1.6;
}

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

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

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

.card,
.quote-card,
.impact-block,
.impact-stat-card,
.impact-snapshot-card,
.diagram-node,
.qa-item,
.phase-step,
.product-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(2px);
}

.card,
.diagram-node {
  padding: 1.18rem 1.14rem;
  display: grid;
  gap: 0.6rem;
}

.card p,
.diagram-node p,
.impact-block p,
.qa-item p,
.phase-step p {
  color: var(--muted);
  line-height: 1.58;
}

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

.product-card {
  padding: 1.16rem;
  display: grid;
  gap: 0.68rem;
  min-height: 240px;
  background: linear-gradient(145deg, rgba(251, 255, 253, 0.93), rgba(232, 245, 239, 0.9));
}

.product-card.is-flagship {
  border: 2px solid rgba(11, 94, 67, 0.44);
  background:
    linear-gradient(155deg, rgba(243, 255, 249, 0.97), rgba(206, 240, 227, 0.94));
  box-shadow: 0 22px 44px rgba(10, 77, 53, 0.2);
}

.product-card p {
  line-height: 1.58;
}

.impact-product-grid .product-card {
  border-color: rgba(17, 82, 59, 0.22);
}

.impact-product-grid .product-card.is-flagship {
  grid-column: span 2;
}

.impact-product-grid .coming-note {
  margin-top: auto;
}

.status-chip {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.26rem 0.58rem;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-live {
  background: rgba(42, 112, 74, 0.18);
  color: #1b4f34;
  border: 1px solid rgba(42, 112, 74, 0.28);
}

.status-soon {
  background: rgba(88, 133, 103, 0.15);
  color: #2a5740;
  border: 1px solid rgba(88, 133, 103, 0.3);
}

.card-link {
  margin-top: auto;
  color: var(--brand-deep);
  font-weight: 600;
}

.card-link:hover {
  text-decoration: underline;
}

.coming-note {
  color: #39604d;
  font-size: 0.92rem;
}

.stats-section {
  padding-top: 1.3rem;
  padding-bottom: 1.3rem;
}

.stats-shell {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(24, 65, 46, 0.2);
  background: linear-gradient(140deg, rgba(31, 84, 58, 0.92), rgba(70, 118, 91, 0.88));
  box-shadow: var(--shadow);
  color: #f2fdf7;
  display: grid;
  gap: 0.86rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 1.2rem;
}

.stats-shell article {
  border: 1px solid rgba(236, 252, 243, 0.2);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.9rem;
}

.stat-value {
  margin-bottom: 0.33rem;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: clamp(1.45rem, 2.9vw, 2.1rem);
  color: #f7fffb;
}

.stat-label {
  color: rgba(247, 255, 251, 0.95);
  font-size: 0.93rem;
  line-height: 1.44;
}

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

.quote-card {
  padding: 1.15rem;
  display: grid;
  gap: 0.72rem;
}

.quote-card blockquote {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.quote-attribution {
  color: #244b39;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.86rem;
}

.cta-section {
  padding-top: 1.8rem;
}

.cta-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(24, 65, 46, 0.19);
  background:
    linear-gradient(120deg, rgba(248, 253, 249, 0.9), rgba(229, 240, 232, 0.95));
  box-shadow: var(--shadow);
  padding: clamp(1.12rem, 2.4vw, 1.6rem);
}

.cta-shell p {
  color: var(--muted);
  margin-top: 0.44rem;
}

.site-footer {
  margin-top: 2.9rem;
  padding: 2.2rem 0 2.8rem;
  border-top: 1px solid rgba(25, 68, 49, 0.16);
  background: rgba(236, 244, 239, 0.78);
}

.footer-grid {
  display: grid;
  gap: 1.2rem;
  align-items: end;
  grid-template-columns: 1fr auto auto;
}

.footer-brand {
  margin-bottom: 0.66rem;
}

.footer-mission {
  max-width: 460px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: #2b4a3b;
  font-size: 0.95rem;
}

.footer-links a:hover {
  text-decoration: underline;
}

.copyright {
  color: #355547;
  font-size: 0.86rem;
}

.page-intro {
  padding-top: clamp(2.9rem, 5vw, 4rem);
}

.page-intro .narrow {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(12, 101, 71, 0.24);
  background: linear-gradient(140deg, rgba(245, 255, 250, 0.9), rgba(220, 245, 234, 0.86));
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3.2vw, 1.8rem);
}

.impact-intro-actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.58rem;
}

.impact-jump-nav {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.52rem;
}

.impact-jump-nav a {
  border-radius: 999px;
  border: 1px solid rgba(15, 93, 66, 0.22);
  background: rgba(245, 255, 249, 0.76);
  padding: 0.4rem 0.74rem;
  font-size: 0.86rem;
  color: #185940;
  transition: border-color 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease);
}

.impact-jump-nav a:hover,
.impact-jump-nav a:focus-visible {
  border-color: rgba(15, 93, 66, 0.38);
  background: rgba(231, 250, 240, 0.95);
  color: #0d4d36;
}

.lab-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 1.3rem;
  align-items: start;
}

.scene-panel {
  position: sticky;
  top: 5.8rem;
}

.roof-scene {
  position: relative;
  min-height: 540px;
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid rgba(31, 72, 54, 0.28);
  box-shadow: 0 22px 42px rgba(17, 49, 34, 0.2);
  background:
    radial-gradient(124% 112% at 50% -10%, rgba(153, 192, 171, 0.5), rgba(153, 192, 171, 0)),
    linear-gradient(180deg, #deebe5 0%, #d0e2da 56%, #c4d9cb 100%);
}

.roof-scene::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 39%;
  background:
    radial-gradient(120% 90% at 50% 100%, rgba(160, 209, 156, 0.26), rgba(160, 209, 156, 0)),
    linear-gradient(180deg, rgba(83, 121, 92, 0.16), rgba(62, 96, 71, 0.42));
  pointer-events: none;
}

.scene-cloud {
  position: absolute;
  top: 1.35rem;
  left: 15%;
  width: 70%;
  height: 88px;
  border-radius: 65px;
  background: radial-gradient(circle at 32% 44%, rgba(253, 255, 253, 0.84) 0%, rgba(253, 255, 253, 0) 62%);
  opacity: 0.68;
}

.scene-rain span {
  position: absolute;
  top: 14px;
  width: 2px;
  height: 62px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(198, 226, 238, 0.06), rgba(88, 132, 152, 0.76));
  opacity: 0;
  transform: translateY(-120px);
  transition: opacity 240ms ease;
}

[data-phase="1"] .scene-rain span,
[data-phase="2"] .scene-rain span,
[data-phase="3"] .scene-rain span,
[data-phase="4"] .scene-rain span,
[data-phase="5"] .scene-rain span,
[data-phase="6"] .scene-rain span {
  opacity: 0.62;
  animation: rainfall 1.25s linear infinite;
  animation-delay: var(--delay);
}

.house-structure {
  position: absolute;
  inset: 0;
}

.chimney {
  position: absolute;
  top: 114px;
  left: 63%;
  width: 42px;
  height: 76px;
  border-radius: 0.38rem;
  border: 1px solid rgba(43, 74, 60, 0.38);
  background: linear-gradient(180deg, #7f948a, #61756b);
}

.roof-underlay {
  position: absolute;
  top: 144px;
  left: 13%;
  right: 13%;
  height: 95px;
  border-radius: 0.92rem;
  border: 1px solid rgba(31, 56, 46, 0.46);
  background: linear-gradient(180deg, #5f7e6d, #3b584a 74%);
  transform: skewX(-26deg);
}

.roof-eave {
  position: absolute;
  top: 218px;
  left: 14%;
  right: 14%;
  height: 10px;
  border-radius: 999px;
  transform: skewX(-26deg);
  background: linear-gradient(90deg, rgba(53, 85, 69, 0.95), rgba(70, 108, 85, 0.72));
}

.roof-ridge {
  position: absolute;
  top: 139px;
  left: 12%;
  width: 76%;
  height: 14px;
  border-radius: 999px;
  transform: skewX(-26deg);
  background: linear-gradient(90deg, #79988b, #526c5f);
}

.house-body {
  position: absolute;
  top: 228px;
  left: 19%;
  width: 62%;
  height: 172px;
  border-radius: 0.78rem;
  border: 1px solid rgba(44, 78, 63, 0.39);
  background: linear-gradient(180deg, rgba(245, 251, 246, 0.94), rgba(212, 228, 217, 0.98));
}

.window {
  position: absolute;
  top: 268px;
  width: 58px;
  height: 54px;
  border-radius: 0.42rem;
  border: 1px solid rgba(42, 79, 62, 0.34);
  background:
    linear-gradient(90deg, rgba(49, 86, 70, 0.22) 47%, transparent 47%),
    linear-gradient(180deg, rgba(49, 86, 70, 0.2) 47%, transparent 47%),
    linear-gradient(180deg, #cde0d7, #bdd4c7);
}

.window-left {
  left: 28%;
}

.window-right {
  right: 28%;
}

.door {
  position: absolute;
  top: 314px;
  left: 47%;
  width: 46px;
  height: 88px;
  border-radius: 0.46rem 0.46rem 0 0;
  border: 1px solid rgba(35, 67, 52, 0.34);
  background: linear-gradient(180deg, #8ca99a, #6e897b);
}

.tile-grid {
  position: absolute;
  top: 157px;
  left: 14%;
  right: 14%;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.52rem;
  transform: skewX(-26deg);
}

.tile {
  --tile-base-y: 0px;
  --tile-shift-x: 0px;
  --tile-shift-y: 0px;
  --tile-rotate: 0deg;
  --fall-x: 0px;
  --fall-r: 0deg;
  position: relative;
  height: 31px;
  border-radius: 0.36rem 0.36rem 0.56rem 0.56rem;
  border: 1px solid rgba(31, 58, 45, 0.42);
  background: linear-gradient(180deg, #6f8f7d, #4f6a5c 60%, #334a3e);
  box-shadow: inset 0 5px 8px rgba(255, 255, 255, 0.14), 0 8px 12px rgba(17, 36, 28, 0.3);
  transform: translate3d(var(--tile-shift-x), calc(var(--tile-base-y) + var(--tile-shift-y)), 0) rotate(var(--tile-rotate));
  transition:
    transform var(--tile-transition) var(--tile-ease),
    opacity 620ms var(--ease),
    filter 620ms var(--ease);
}

.tile::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 2px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(232, 244, 236, 0.42), rgba(232, 244, 236, 0));
}

.tile::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  background: rgba(15, 35, 26, 0.34);
}

.tile:nth-child(n + 6) {
  --tile-base-y: -6px;
}

.tile:nth-child(n + 11) {
  --tile-base-y: -12px;
}

.tile:nth-child(1) { --fall-x: -60px; --fall-r: -15deg; }
.tile:nth-child(2) { --fall-x: -34px; --fall-r: 17deg; }
.tile:nth-child(3) { --fall-x: -10px; --fall-r: -10deg; }
.tile:nth-child(4) { --fall-x: 18px; --fall-r: 12deg; }
.tile:nth-child(5) { --fall-x: 46px; --fall-r: -14deg; }
.tile:nth-child(6) { --fall-x: -54px; --fall-r: -16deg; }
.tile:nth-child(7) { --fall-x: -28px; --fall-r: 14deg; }
.tile:nth-child(8) { --fall-x: 0px; --fall-r: -9deg; }
.tile:nth-child(9) { --fall-x: 24px; --fall-r: 12deg; }
.tile:nth-child(10) { --fall-x: 52px; --fall-r: -15deg; }
.tile:nth-child(11) { --fall-x: -40px; --fall-r: -12deg; }
.tile:nth-child(12) { --fall-x: -18px; --fall-r: 11deg; }
.tile:nth-child(13) { --fall-x: 8px; --fall-r: -8deg; }
.tile:nth-child(14) { --fall-x: 30px; --fall-r: 10deg; }
.tile:nth-child(15) { --fall-x: 58px; --fall-r: -13deg; }

[data-phase="2"] .tile {
  --tile-shift-y: 6px;
}

[data-phase="2"] .tile:nth-child(odd) {
  --tile-shift-y: 9px;
  --tile-rotate: -1.2deg;
}

[data-phase="2"] .tile:nth-child(even) {
  --tile-shift-y: 6px;
  --tile-rotate: 1deg;
}

[data-phase="3"] .tile:nth-child(-n + 5) {
  --tile-shift-x: var(--fall-x);
  --tile-shift-y: 178px;
  --tile-rotate: var(--fall-r);
  opacity: 0.14;
  filter: saturate(0.75);
}

[data-phase="3"] .tile:nth-child(n + 6):nth-child(-n + 10) {
  --tile-shift-y: 28px;
  --tile-rotate: 2deg;
}

[data-phase="4"] .tile:nth-child(-n + 10) {
  --tile-shift-x: var(--fall-x);
  --tile-shift-y: 266px;
  --tile-rotate: var(--fall-r);
  opacity: 0.06;
  filter: saturate(0.58);
}

[data-phase="4"] .tile:nth-child(n + 11) {
  --tile-shift-y: 58px;
  --tile-rotate: 3deg;
}

[data-phase="5"] .tile {
  --tile-shift-x: var(--fall-x);
  --tile-shift-y: 338px;
  --tile-rotate: 24deg;
  opacity: 0.02;
  filter: saturate(0.48);
}

[data-phase="5"] .tile:nth-child(13),
[data-phase="5"] .tile:nth-child(14) {
  --tile-shift-x: 20px;
  --tile-shift-y: 178px;
  --tile-rotate: 10deg;
  opacity: 0.16;
}

[data-phase="6"] .tile {
  --tile-shift-x: var(--fall-x);
  --tile-shift-y: 410px;
  --tile-rotate: 30deg;
  opacity: 0;
}

.ecosystem-zone {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 34%;
  overflow: hidden;
  background:
    repeating-linear-gradient(
      -18deg,
      rgba(71, 106, 79, 0.14) 0px,
      rgba(71, 106, 79, 0.14) 16px,
      rgba(83, 120, 92, 0.08) 16px,
      rgba(83, 120, 92, 0.08) 30px
    ),
    linear-gradient(180deg, rgba(89, 128, 95, 0.17), rgba(54, 90, 64, 0.42));
}

.ecosystem-glow {
  position: absolute;
  left: 8%;
  width: 84%;
  height: 84%;
  bottom: 16%;
  background: radial-gradient(circle at 50% 100%, rgba(188, 242, 182, 0.5), rgba(188, 242, 182, 0));
  opacity: 0;
  transition: opacity 540ms var(--ease);
}

.sprout {
  position: absolute;
  bottom: 12px;
  width: 11px;
  height: 58px;
  border-radius: 999px 999px 6px 6px;
  background: linear-gradient(180deg, rgba(130, 190, 123, 0.95), rgba(68, 124, 75, 0.95));
  transform-origin: bottom center;
  transform: scaleY(0.08);
  opacity: 0;
  transition: transform 600ms var(--ease), opacity 600ms var(--ease);
}

.sprout-a {
  left: 18%;
}

.sprout-b {
  left: 37%;
  height: 64px;
}

.sprout-c {
  left: 62%;
  height: 61px;
}

.sprout-d {
  left: 80%;
}

.nutrient-wave {
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  border: 1px solid rgba(165, 227, 170, 0.7);
  background: radial-gradient(circle, rgba(185, 239, 190, 0.28), rgba(185, 239, 190, 0));
  transform: scale(0.34);
  opacity: 0;
  transition: transform 600ms var(--ease), opacity 600ms var(--ease);
}

.wave-a {
  left: 10%;
  bottom: 18%;
}

.wave-b {
  left: 43%;
  bottom: 16%;
}

.wave-c {
  right: 10%;
  bottom: 17%;
}

.scene-caption {
  margin-top: 0.78rem;
  font-size: 0.9rem;
  color: #2f5545;
  max-width: 58ch;
}

.phase-list {
  display: grid;
  gap: 0.8rem;
}

.phase-step {
  padding: 0.98rem 1rem;
  border-left: 3px solid transparent;
  transition: transform 260ms var(--ease), border-color 260ms var(--ease), background 260ms var(--ease), border-left-color 260ms var(--ease);
}

.phase-step.is-active {
  transform: translateX(4px);
  border-color: rgba(31, 90, 59, 0.42);
  border-left-color: rgba(31, 90, 59, 0.65);
  background: rgba(239, 248, 242, 0.94);
}

.phase-index {
  margin-bottom: 0.42rem;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.phase-step h3 {
  margin-bottom: 0.48rem;
}

[data-phase="4"] .ecosystem-glow {
  opacity: 0.45;
}

[data-phase="5"] .ecosystem-glow,
[data-phase="6"] .ecosystem-glow {
  opacity: 1;
}

[data-phase="4"] .sprout {
  opacity: 0.6;
  transform: scaleY(0.62);
}

[data-phase="5"] .sprout,
[data-phase="6"] .sprout {
  opacity: 1;
  transform: scaleY(1);
}

[data-phase="5"] .nutrient-wave,
[data-phase="6"] .nutrient-wave {
  opacity: 0.5;
  transform: scale(1);
}

.diagram-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.diagram-node {
  position: relative;
}

.diagram-node:not(:last-child)::after {
  content: "->";
  position: absolute;
  top: 50%;
  right: -0.78rem;
  transform: translateY(-50%);
  color: rgba(39, 88, 64, 0.48);
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.95rem;
}

.impact-snapshot-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.impact-snapshot-card {
  padding: 1rem;
  display: grid;
  gap: 0.44rem;
  background: linear-gradient(145deg, rgba(248, 255, 251, 0.95), rgba(227, 245, 236, 0.9));
}

.impact-snapshot-value {
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
  color: #0c5039;
  letter-spacing: -0.01em;
}

.impact-snapshot-label {
  color: #2e6050;
  line-height: 1.48;
  font-size: 0.92rem;
}

.impact-layout {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.impact-block {
  padding: 1.12rem;
  display: grid;
  gap: 0.8rem;
}

.impact-note-card {
  background: linear-gradient(138deg, rgba(247, 255, 250, 0.96), rgba(224, 245, 234, 0.9));
  border-color: rgba(16, 94, 67, 0.25);
}

.impact-note-card .eyebrow {
  margin-bottom: 0.12rem;
}

.impact-stat-card {
  padding: 1.2rem;
  display: grid;
  gap: 0.58rem;
  align-content: center;
  background: linear-gradient(135deg, rgba(31, 87, 58, 0.92), rgba(86, 132, 103, 0.87));
  color: #f1fcf4;
}

.impact-stat-card p {
  color: rgba(241, 252, 244, 0.97);
}

.impact-stat-value {
  color: #f8fffb;
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 4vw, 2.7rem);
  font-weight: 700;
}

.compact-list {
  display: grid;
  gap: 0.48rem;
}

.compact-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
}

.compact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.48rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: linear-gradient(150deg, var(--brand), var(--accent));
}

.qa-list {
  display: grid;
  gap: 0.72rem;
}

.qa-item {
  padding: 0.9rem 0.95rem;
}

.qa-item summary {
  list-style: none;
  position: relative;
  padding-right: 1.7rem;
  cursor: pointer;
  color: var(--text);
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1rem;
}

.qa-item summary::-webkit-details-marker {
  display: none;
}

.qa-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  border: 1px solid rgba(12, 94, 66, 0.28);
  background: rgba(12, 94, 66, 0.08);
  color: rgba(10, 75, 53, 0.92);
  font-size: 0.9rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.qa-item[open] summary::after {
  content: "-";
}

.qa-item p {
  margin-top: 0.72rem;
}

.reveal {
  --reveal-delay: 0ms;
  opacity: 0;
  transform: translate3d(0, var(--reveal-distance), 0) scale(0.985);
  filter: blur(1.5px);
  transition:
    opacity var(--reveal-duration) var(--ease),
    transform var(--reveal-duration) var(--ease),
    filter var(--reveal-duration) var(--ease);
  transition-delay: var(--reveal-delay);
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

@keyframes hero-rain {
  from {
    transform: translateY(-90px);
  }
  to {
    transform: translateY(170px);
  }
}

@keyframes rainfall {
  from {
    transform: translateY(-120px);
  }
  to {
    transform: translateY(470px);
  }
}

@media (max-width: 1100px) {
  .nav-shell {
    border-radius: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
    order: 3;
  }

  .site-nav a {
    background: rgba(255, 255, 255, 0.68);
  }

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

  .hero-meta {
    max-width: none;
  }

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

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

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

  .lab-layout,
  .impact-layout {
    grid-template-columns: 1fr;
  }

  .scene-panel {
    position: static;
  }

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

  .diagram-node:not(:last-child)::after {
    content: "";
  }

  .footer-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 920px) {
  .site-header {
    padding-top: 0.56rem;
  }

  .nav-shell {
    border-radius: 0.95rem;
    gap: 0.72rem;
    padding: 0.52rem 0.66rem;
  }

  .brand {
    font-size: 0.93rem;
  }

  .site-nav {
    justify-content: center;
  }

  .hero-copy .lead,
  .section-head,
  .scene-caption {
    max-width: none;
  }

  .impact-jump-nav a {
    flex: 1 1 calc(50% - 0.52rem);
    text-align: center;
  }

  .page-intro .narrow {
    padding: 1rem;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding-top: 0.5rem;
  }

  .nav-shell {
    border-radius: 0.9rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .btn {
    width: 100%;
  }

  .btn-small {
    width: auto;
  }

  .product-grid,
  .three-col,
  .two-col,
  .impact-snapshot-grid,
  .testimonial-grid,
  .diagram-grid,
  .stats-shell {
    grid-template-columns: 1fr;
  }

  .impact-intro-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .innovation-illustration {
    min-height: 390px;
    padding: 0.84rem;
  }

  .module-a {
    left: 8%;
  }

  .module-b {
    right: 8%;
  }

  .module-c {
    right: 9%;
    bottom: 31%;
  }

  .visual-kpi {
    left: 8%;
    right: 8%;
    bottom: 3.1rem;
  }

  .visual-caption {
    left: 8%;
    right: 8%;
    bottom: 0.95rem;
    font-size: 0.78rem;
  }

  .roof-scene {
    min-height: 515px;
  }

  .tile-grid {
    left: 9%;
    right: 9%;
  }

  .house-body {
    left: 13%;
    width: 74%;
  }

  .window-left {
    left: 23%;
  }

  .window-right {
    right: 23%;
  }

  .cta-shell {
    flex-direction: column;
    align-items: flex-start;
  }

  .impact-product-grid .product-card.is-flagship {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  :root {
    --section-space: clamp(2.6rem, 8.4vw, 3.8rem);
  }

  main [id] {
    scroll-margin-top: 7.1rem;
  }

  .nav-shell {
    padding: 0.48rem 0.52rem;
    gap: 0.52rem;
  }

  .brand {
    font-size: 0.88rem;
  }

  .brand img {
    width: 1.2rem;
    height: 1.2rem;
  }

  .site-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 0.32rem;
  }

  .site-nav a {
    text-align: center;
    font-size: 0.82rem;
    padding: 0.38rem 0.4rem;
  }

  .nav-shell > .btn {
    width: 100%;
    order: 4;
  }

  .hero-highlights li {
    line-height: 1.38;
  }

  .impact-jump-nav a {
    flex-basis: 100%;
  }

  .impact-snapshot-card {
    padding: 0.86rem;
  }

  .innovation-illustration {
    min-height: 350px;
    padding: 0.7rem;
  }

  .visual-module {
    font-size: 0.67rem;
    padding: 0.23rem 0.48rem;
  }

  .module-a {
    top: 8%;
    left: 6%;
  }

  .module-b {
    top: 19%;
    right: 6%;
  }

  .module-c {
    bottom: 34%;
    right: 7%;
  }

  .visual-kpi {
    padding: 0.48rem 0.52rem;
  }

  .visual-kpi-value {
    font-size: 0.8rem;
  }

  .visual-caption {
    font-size: 0.72rem;
  }

  .roof-scene {
    min-height: 474px;
  }

  .scene-cloud {
    left: 10%;
    width: 80%;
    height: 74px;
  }

  .chimney {
    top: 108px;
    left: 66%;
    width: 34px;
    height: 62px;
  }

  .roof-underlay {
    top: 136px;
    left: 10%;
    right: 10%;
    height: 78px;
  }

  .roof-eave {
    top: 204px;
    left: 11%;
    right: 11%;
  }

  .roof-ridge {
    top: 132px;
    left: 10%;
    width: 80%;
    height: 12px;
  }

  .tile-grid {
    top: 147px;
    left: 10.5%;
    right: 10.5%;
    gap: 0.32rem;
  }

  .tile {
    height: 25px;
  }

  .house-body {
    top: 212px;
    left: 12%;
    width: 76%;
    height: 146px;
  }

  .window {
    top: 246px;
    width: 49px;
    height: 44px;
  }

  .window-left {
    left: 21%;
  }

  .window-right {
    right: 21%;
  }

  .door {
    top: 288px;
    left: 46%;
    width: 42px;
    height: 72px;
  }

  .phase-step {
    padding: 0.85rem 0.82rem;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding-top: 0.42rem;
  }

  .nav-shell {
    border-radius: 0.76rem;
  }

  .site-nav a {
    font-size: 0.78rem;
  }

  .btn,
  .btn-small {
    font-size: 0.79rem;
  }

  .hero-meta-value {
    font-size: 0.88rem;
  }

  .impact-jump-nav {
    gap: 0.4rem;
  }

  .qa-item summary {
    font-size: 0.94rem;
  }

  .roof-scene {
    min-height: 450px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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