:root {
  --ink: #061827;
  --ink-2: #092439;
  --ink-3: #0e3047;
  --text: #0c2132;
  --muted: #586c7a;
  --line: #dce6e9;
  --white: #ffffff;
  --paper: #f7faf9;
  --teal: #18c6bd;
  --teal-2: #0b8f9e;
  --green: #6bd370;
  --green-2: #38b86d;
  --cyan: #66fff0;
  --shadow: 0 28px 70px rgba(5, 21, 35, 0.24);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--ink);
  overflow-x: hidden;
}

.mockup-page {
  width: 100%;
  margin: 0;
  background: var(--ink);
}

.mockup-slice {
  position: relative;
  width: 100%;
  line-height: 0;
}

.mockup-slice img {
  display: block;
  width: 100%;
  height: auto;
}

.hotspot {
  position: absolute;
  z-index: 5;
  display: block;
  overflow: hidden;
  color: transparent;
  text-decoration: none;
  white-space: nowrap;
}

.hotspot:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.brand-hotspot {
  left: 3%;
  top: 1.2%;
  width: 31%;
  height: 9%;
}

.nav-education {
  left: 42%;
  top: 2.4%;
  width: 14%;
  height: 6%;
}

.nav-workflows {
  left: 57%;
  top: 2.4%;
  width: 15%;
  height: 6%;
}

.nav-cueleaf {
  left: 74.5%;
  top: 2.4%;
  width: 8.5%;
  height: 6%;
}

.nav-contact {
  left: 84.5%;
  top: 2.4%;
  width: 9%;
  height: 6%;
}

.hero-contact {
  left: 4%;
  top: 82.5%;
  width: 18.5%;
  height: 8%;
  border-radius: 7px;
}

.hero-cueleaf {
  left: 23.7%;
  top: 82.5%;
  width: 17.5%;
  height: 8%;
  border-radius: 7px;
}

.bottom-contact-button {
  left: 59.2%;
  top: 58.3%;
  width: 25.2%;
  height: 10.5%;
  border-radius: 7px;
}

.bottom-contact-email {
  left: 59.2%;
  top: 69.5%;
  width: 28%;
  height: 8%;
}

.footer-education {
  left: 51%;
  top: 78%;
  width: 12.2%;
  height: 7%;
}

.footer-workflows {
  left: 63.5%;
  top: 78%;
  width: 12.5%;
  height: 7%;
}

.footer-cueleaf {
  left: 76.8%;
  top: 78%;
  width: 7%;
  height: 7%;
}

.footer-contact {
  left: 84%;
  top: 78%;
  width: 7.5%;
  height: 7%;
}

a {
  color: inherit;
}

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

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 22px clamp(28px, 5vw, 58px);
  color: var(--white);
  background: var(--ink);
  border-bottom: 1px solid rgba(24, 198, 189, 0.7);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.brand {
  text-decoration: none;
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 850;
}

.branch-mark {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
}

.branch-mark.small {
  width: 46px;
  height: 46px;
}

.branch-mark svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.branch-mark path,
.branch-mark circle,
.system-node path,
.system-node circle {
  fill: none;
  stroke: var(--green);
  stroke-width: 3.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.branch-mark path:nth-child(2),
.system-node path:nth-child(2) {
  stroke: var(--teal);
}

.branch-mark circle,
.system-node circle {
  fill: var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(28px, 4vw, 64px);
  font-size: 15px;
  font-weight: 780;
}

.nav a,
.footer-nav a {
  text-decoration: none;
  white-space: nowrap;
}

.nav a:hover,
.footer-nav a:hover,
.email-link:hover {
  color: var(--teal);
}

.dark-section {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 77% 28%, rgba(24, 198, 189, 0.16), transparent 34%),
    radial-gradient(circle at 8% 82%, rgba(56, 184, 109, 0.12), transparent 28%),
    linear-gradient(180deg, var(--ink) 0%, #031321 100%);
}

.dark-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(120deg, rgba(24, 198, 189, 0.08) 1px, transparent 1px),
    linear-gradient(30deg, rgba(107, 211, 112, 0.06) 1px, transparent 1px);
  background-size: 92px 92px, 126px 126px;
  mask-image: radial-gradient(circle at 72% 46%, black 0 34%, transparent 68%);
}

.hero {
  display: grid;
  grid-template-columns: minmax(340px, 0.95fr) minmax(390px, 1.05fr);
  gap: clamp(28px, 4vw, 44px);
  min-height: 464px;
  padding: clamp(30px, 4vw, 48px) clamp(28px, 4vw, 42px) 28px;
}

.hero-copy,
.hero-system,
.cueleaf-heading,
.cueleaf-steps,
.principles h2,
.principle-grid {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.hero h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(44px, 5vw, 58px);
  line-height: 1.07;
  letter-spacing: 0;
}

.hero h1 span:nth-of-type(1),
.principles h2 span,
.cueleaf h2 span {
  color: var(--green);
}

.hero h1 span:nth-of-type(2) {
  color: var(--teal);
}

.hero h1 span:nth-of-type(3) {
  color: var(--green);
}

.hero-copy p {
  max-width: 520px;
  margin-bottom: 24px;
  color: rgba(244, 252, 251, 0.86);
  font-size: 18px;
  line-height: 1.56;
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 26px;
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(135deg, #20c582, #44d98f);
  box-shadow: 0 22px 48px rgba(32, 197, 130, 0.23);
}

.button.secondary {
  color: var(--teal);
  border-color: var(--teal);
}

.button.dark {
  min-width: 330px;
  min-height: 56px;
  color: var(--white);
  background: var(--ink);
}

.hero-system {
  display: grid;
  align-items: start;
  min-height: 0;
}

.hero-system-art {
  display: block;
  width: min(100%, 444px);
  height: auto;
  justify-self: end;
  filter: drop-shadow(0 30px 48px rgba(0, 0, 0, 0.18));
}

.biology-art {
  display: block;
  width: 100%;
  max-width: 760px;
  height: auto;
  justify-self: end;
  filter: drop-shadow(0 24px 44px rgba(5, 21, 35, 0.24));
}

.mockup-image-section {
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.mockup-image-section.dark-mockup {
  background: var(--ink);
}

.mockup-image-section.light-mockup {
  background: var(--white);
}

.mockup-section-art {
  display: block;
  width: 100%;
  height: auto;
}

.mockup-bottom a {
  position: absolute;
  z-index: 2;
  display: block;
  overflow: hidden;
  color: transparent;
  text-decoration: none;
  white-space: nowrap;
}

.mockup-contact-button {
  left: 59.2%;
  top: 57.5%;
  width: 25%;
  height: 11%;
  border-radius: 7px;
}

.mockup-contact-email {
  left: 59.2%;
  top: 69.5%;
  width: 28%;
  height: 9%;
}

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

.connection-map {
  position: absolute;
  inset: 22px 20px 142px 0;
  width: 100%;
  height: auto;
}

.glow {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 6;
  stroke-linecap: round;
  filter: drop-shadow(0 0 12px rgba(102, 255, 240, 0.8));
}

.glow.green {
  stroke: var(--green);
  filter: drop-shadow(0 0 12px rgba(107, 211, 112, 0.72));
}

.trace {
  fill: none;
  stroke: rgba(24, 198, 189, 0.28);
  stroke-width: 2;
}

.dot {
  fill: var(--teal);
}

.dot.green {
  fill: var(--green);
}

.system-node.center {
  position: absolute;
  left: 46%;
  top: 170px;
  z-index: 3;
  width: 94px;
  height: 94px;
  padding: 16px;
  border: 1px solid rgba(102, 255, 240, 0.45);
  border-radius: 8px;
  background: rgba(8, 31, 45, 0.96);
  box-shadow: 0 0 36px rgba(24, 198, 189, 0.25);
}

.system-card {
  position: absolute;
  z-index: 2;
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 18px;
  align-items: center;
  width: 285px;
  color: rgba(255, 255, 255, 0.92);
}

.system-card h2,
.dashboard-card h2,
.activity-card h2 {
  margin-bottom: 4px;
  font-size: 20px;
  line-height: 1.08;
}

.system-card p,
.dashboard-card p,
.activity-card p {
  margin-bottom: 0;
  color: rgba(225, 244, 243, 0.76);
  font-size: 13px;
  line-height: 1.35;
}

.system-card.learning {
  left: 2%;
  top: 4px;
}

.system-card.data {
  right: 0;
  top: 4px;
}

.system-card.operations {
  left: 2%;
  top: 270px;
}

.system-card.ai {
  right: 0;
  top: 270px;
}

.icon-box {
  display: inline-block;
  width: 70px;
  height: 70px;
  border: 1px solid rgba(102, 255, 240, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(24, 198, 189, 0.42), rgba(107, 211, 112, 0.18));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 16px 34px rgba(0, 0, 0, 0.22);
}

.icon-box.book {
  background:
    linear-gradient(90deg, transparent 45%, rgba(255, 255, 255, 0.8) 46% 49%, transparent 50%),
    linear-gradient(135deg, rgba(107, 211, 112, 0.48), rgba(24, 198, 189, 0.2));
}

.icon-box.bars {
  background:
    linear-gradient(90deg, transparent 18%, rgba(255, 255, 255, 0.82) 19% 25%, transparent 26% 40%, rgba(255, 255, 255, 0.82) 41% 47%, transparent 48% 62%, rgba(255, 255, 255, 0.82) 63% 69%, transparent 70%),
    linear-gradient(135deg, rgba(24, 198, 189, 0.35), rgba(9, 36, 57, 0.9));
}

.icon-box.gear {
  background:
    radial-gradient(circle at 50% 50%, transparent 0 11px, rgba(255, 255, 255, 0.84) 12px 18px, transparent 19px),
    conic-gradient(from 0deg, rgba(255,255,255,0.84) 0 12deg, transparent 13deg 34deg, rgba(255,255,255,0.84) 35deg 47deg, transparent 48deg 72deg, rgba(255,255,255,0.84) 73deg 86deg, transparent 87deg 360deg),
    linear-gradient(135deg, rgba(24, 198, 189, 0.4), rgba(9, 36, 57, 0.9));
}

.icon-box.sparkle {
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.95) 0 3px, transparent 4px),
    linear-gradient(135deg, rgba(107, 211, 112, 0.5), rgba(9, 36, 57, 0.7));
}

.dashboard-card,
.activity-card,
.biology-card,
.cueleaf-steps article,
.service-grid article {
  border: 1px solid rgba(123, 154, 168, 0.35);
  border-radius: 8px;
}

.dashboard-card {
  position: absolute;
  left: 0;
  right: 30%;
  bottom: 0;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  padding: 28px;
  background: rgba(12, 42, 60, 0.86);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.progress-ring {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: conic-gradient(var(--green) 0 72%, rgba(255, 255, 255, 0.14) 72% 100%);
}

.progress-ring span {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #102b40;
  font-size: 22px;
  font-weight: 850;
}

.dashboard-card ul {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(232, 250, 247, 0.86);
  font-size: 13px;
}

.dashboard-card li::before,
.check-list li::before {
  content: "";
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--teal);
}

.activity-card {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 250px;
  padding: 28px 24px;
  background: rgba(12, 42, 60, 0.86);
}

.activity-card p {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.activity-card strong {
  color: var(--white);
}

.light-section {
  background: var(--white);
}

.education,
.workflows {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(390px, 1.18fr);
  gap: clamp(44px, 6vw, 82px);
  align-items: center;
  padding: clamp(58px, 7vw, 74px) clamp(28px, 5vw, 58px);
}

.section-copy h2,
.cueleaf h2,
.principles h2,
.contact-strip h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: 0;
}

.section-copy p {
  max-width: 520px;
  color: #34495d;
  font-size: 18px;
  line-height: 1.55;
}

.section-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 28px;
  border-radius: 3px;
  background: var(--ink);
}

.section-icon::before {
  content: "";
  width: 36px;
  height: 36px;
  border: 4px solid var(--green);
}

.section-icon.cap::before {
  clip-path: polygon(50% 0, 100% 28%, 100% 36%, 50% 64%, 0 36%, 0 28%);
  background: rgba(24, 198, 189, 0.14);
}

.section-icon.leaf::before {
  border-radius: 4px 28px 4px 28px;
  transform: rotate(45deg);
}

.section-icon.briefcase::before {
  width: 38px;
  height: 28px;
  border-radius: 4px;
}

.check-list {
  display: grid;
  gap: 13px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: #21374a;
  font-weight: 680;
}

.biology-card {
  padding: 28px;
  color: var(--white);
  background: linear-gradient(180deg, var(--ink) 0%, #10263a 100%);
  box-shadow: var(--shadow);
}

.biology-head {
  display: grid;
  gap: 4px;
  margin-bottom: 20px;
  font-size: 20px;
}

.biology-head span {
  color: rgba(232, 250, 247, 0.68);
  font-size: 14px;
}

.biology-grid {
  display: grid;
  grid-template-columns: minmax(270px, 1fr) minmax(260px, 0.95fr);
  gap: 26px;
}

.membrane {
  width: 100%;
  height: auto;
}

.membrane rect {
  fill: #f2f8f6;
}

.lipids path {
  fill: none;
  stroke: #e3b87d;
  stroke-width: 7;
  stroke-linecap: round;
}

.lipids circle {
  fill: #2b9bb2;
  stroke: #0e5b73;
  stroke-width: 3;
}

.protein {
  fill: #353f48;
  stroke: #141c24;
  stroke-width: 4;
}

.protein.green {
  fill: #62b8ad;
}

.molecule {
  fill: none;
  stroke: #d96552;
  stroke-width: 4;
  stroke-linecap: round;
}

.question-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.question-card p {
  color: rgba(244, 252, 251, 0.9);
  line-height: 1.45;
}

.question-card ol {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.question-card li {
  padding: 12px 14px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.8);
}

.question-card li:first-child {
  background: rgba(24, 198, 189, 0.24);
}

.cueleaf {
  padding: clamp(60px, 7vw, 76px) clamp(28px, 5vw, 58px);
}

.cueleaf-heading {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 800px;
  margin-bottom: 36px;
}

.cueleaf-heading .section-icon {
  flex: 0 0 auto;
  margin-bottom: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.cueleaf-heading p {
  margin-bottom: 0;
  color: rgba(244, 252, 251, 0.76);
  font-size: 19px;
}

.cueleaf-steps {
  display: grid;
  grid-template-columns: 1fr 40px 1fr 40px 1fr 40px 1fr;
  gap: 18px;
  align-items: center;
}

.cueleaf-steps article {
  min-height: 354px;
  padding: 28px;
  background: rgba(13, 45, 65, 0.84);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.cueleaf-steps h3 {
  margin: 22px 0 8px;
  font-size: 20px;
  line-height: 1.18;
}

.cueleaf-steps p {
  color: rgba(235, 250, 248, 0.72);
  line-height: 1.48;
}

.step-arrow {
  width: 30px;
  height: 30px;
  border-right: 3px solid var(--teal);
  border-top: 3px solid var(--teal);
  transform: rotate(45deg);
}

.step-graphic {
  display: block;
  height: 140px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.06) 0 50%, transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.02));
}

.step-graphic.import {
  background:
    linear-gradient(#d9fff8 0 0) 52% 30% / 42% 4px no-repeat,
    linear-gradient(#80e8d8 0 0) 52% 46% / 36% 4px no-repeat,
    linear-gradient(#80e8d8 0 0) 52% 62% / 30% 4px no-repeat,
    linear-gradient(90deg, rgba(255,255,255,0.08) 0 50%, transparent 50%),
    rgba(255, 255, 255, 0.04);
}

.step-graphic.generate {
  background:
    radial-gradient(circle at 80% 24%, var(--green) 0 4px, transparent 5px),
    linear-gradient(#e8fffb 0 0) 18% 28% / 46% 5px no-repeat,
    linear-gradient(#44d98f 0 0) 18% 50% / 58% 8px no-repeat,
    linear-gradient(#18c6bd 0 0) 18% 66% / 78% 8px no-repeat,
    rgba(255, 255, 255, 0.04);
}

.step-graphic.review {
  background:
    linear-gradient(#e8fffb 0 0) 14% 20% / 72% 5px no-repeat,
    linear-gradient(#e8fffb 0 0) 14% 40% / 54% 4px no-repeat,
    linear-gradient(#e8fffb 0 0) 14% 58% / 42% 4px no-repeat,
    radial-gradient(circle at 18% 76%, var(--green) 0 5px, transparent 6px),
    radial-gradient(circle at 34% 76%, #ffc04b 0 5px, transparent 6px),
    radial-gradient(circle at 50% 76%, var(--teal) 0 5px, transparent 6px),
    rgba(255, 255, 255, 0.04);
}

.step-graphic.track {
  background:
    linear-gradient(135deg, transparent 45%, #18c6bd 46% 48%, transparent 49%),
    linear-gradient(#44d98f 0 0) 18% 78% / 8% 20% no-repeat,
    linear-gradient(#44d98f 0 0) 36% 66% / 8% 32% no-repeat,
    linear-gradient(#18c6bd 0 0) 54% 52% / 8% 46% no-repeat,
    linear-gradient(#44d98f 0 0) 72% 38% / 8% 60% no-repeat,
    rgba(255, 255, 255, 0.04);
}

.workflows {
  align-items: stretch;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article {
  padding: 32px 28px;
  background: var(--white);
  box-shadow: 0 18px 42px rgba(12, 33, 50, 0.08);
}

.service-grid h3 {
  margin: 18px 0 10px;
  font-size: 25px;
  line-height: 1.08;
}

.service-grid p {
  color: #34495d;
  line-height: 1.45;
}

.service-grid ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 18px;
  color: #243a4c;
  font-size: 14px;
  line-height: 1.4;
}

.service-icon {
  display: block;
  width: 74px;
  height: 74px;
  color: var(--teal-2);
}

.service-icon.database {
  border: 5px solid currentColor;
  border-radius: 50%;
  box-shadow: inset 0 -18px 0 rgba(24, 198, 189, 0.1), 0 18px 0 -13px currentColor;
}

.service-icon.flow {
  background:
    radial-gradient(circle at 50% 12%, currentColor 0 7px, transparent 8px),
    radial-gradient(circle at 22% 78%, currentColor 0 7px, transparent 8px),
    radial-gradient(circle at 78% 78%, currentColor 0 7px, transparent 8px),
    linear-gradient(currentColor 0 0) 50% 19px / 4px 34px no-repeat,
    linear-gradient(currentColor 0 0) 22% 52px / 56% 4px no-repeat;
}

.service-icon.code {
  border: 5px solid currentColor;
  border-radius: 8px;
  position: relative;
}

.service-icon.code::before {
  content: "</>";
  position: absolute;
  inset: 17px 0 0;
  font-size: 22px;
  font-weight: 900;
  text-align: center;
}

.principles {
  padding: clamp(58px, 7vw, 78px) clamp(28px, 5vw, 58px);
}

.principles h2 {
  text-align: center;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 42px;
}

.principle-grid article {
  min-height: 210px;
  padding: 24px 38px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.principle-grid article:first-child {
  border-left: 0;
}

.principle-grid h3 {
  margin: 22px 0 8px;
  font-size: 19px;
}

.principle-grid p {
  color: rgba(236, 250, 247, 0.74);
  font-size: 14px;
  line-height: 1.45;
}

.principle-icon {
  display: block;
  width: 54px;
  height: 54px;
  border: 3px solid var(--white);
}

.principle-icon.prism {
  clip-path: polygon(50% 0, 100% 86%, 0 86%);
}

.principle-icon.globe {
  border-radius: 50%;
}

.principle-icon.magnify {
  border-radius: 50%;
  position: relative;
}

.principle-icon.magnify::after {
  content: "";
  position: absolute;
  right: -19px;
  bottom: -10px;
  width: 28px;
  height: 4px;
  border-radius: 4px;
  background: var(--white);
  transform: rotate(45deg);
}

.principle-icon.chart {
  border-top: 0;
  border-right: 0;
  position: relative;
}

.principle-icon.chart::after {
  content: "";
  position: absolute;
  left: 6px;
  bottom: 8px;
  width: 36px;
  height: 28px;
  border-top: 4px solid var(--white);
  border-right: 4px solid var(--white);
  transform: skewY(-25deg);
}

.branch-rail {
  position: absolute;
  width: 220px;
  height: 230px;
  bottom: 20px;
  opacity: 0.32;
  background:
    linear-gradient(var(--teal) 0 0) 50% 100% / 3px 180px no-repeat,
    linear-gradient(35deg, transparent 47%, var(--teal) 48% 50%, transparent 51%) 0 0 / 100% 100% no-repeat,
    radial-gradient(circle, var(--teal) 0 4px, transparent 5px) 20% 35% / 30px 30px no-repeat,
    radial-gradient(circle, var(--teal) 0 4px, transparent 5px) 78% 22% / 30px 30px no-repeat;
}

.branch-rail.left {
  left: 18px;
}

.branch-rail.right {
  right: 18px;
  transform: scaleX(-1);
}

.contact-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  padding: 34px clamp(28px, 5vw, 58px);
  color: var(--white);
  background:
    radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.12), transparent 28%),
    linear-gradient(90deg, #009f92, #0eb2a8 42%, #0d877f);
}

.contact-copy {
  display: grid;
  grid-template-columns: 98px 1fr;
  gap: 28px;
  align-items: center;
}

.contact-strip h2 {
  margin-bottom: 8px;
}

.contact-strip p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.chat-icon {
  display: block;
  width: 90px;
  height: 90px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 36% 46%, var(--teal) 0 4px, transparent 5px),
    radial-gradient(circle at 50% 46%, var(--teal) 0 4px, transparent 5px),
    radial-gradient(circle at 64% 46%, var(--teal) 0 4px, transparent 5px),
    var(--ink);
}

.contact-card {
  display: grid;
  gap: 20px;
  justify-items: center;
  padding-left: 62px;
  border-left: 1px solid rgba(255, 255, 255, 0.55);
}

.email-link {
  color: var(--white);
  font-size: 17px;
  text-decoration: none;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(270px, 0.8fr) minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: 32px clamp(28px, 5vw, 58px);
  color: var(--white);
  background: var(--ink);
}

.footer-brand strong {
  display: block;
  margin-bottom: 4px;
  font-size: 20px;
}

.footer-brand p,
.copyright {
  margin-bottom: 0;
  color: rgba(235, 250, 247, 0.72);
  font-size: 13px;
}

.footer-nav {
  display: flex;
  justify-content: flex-end;
  gap: 34px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.copyright {
  text-align: right;
}

@media (max-width: 760px) {
  .hero,
  .education,
  .workflows,
  .contact-strip {
    grid-template-columns: 1fr;
  }

  .hero-system {
    min-height: 0;
    padding-top: 0;
  }

  .hero-system-art,
  .biology-art {
    justify-self: center;
    max-width: 720px;
  }

  .system-card.learning,
  .system-card.operations {
    left: 0;
  }

  .system-card.data,
  .system-card.ai {
    right: 0;
  }

  .contact-card {
    justify-items: start;
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav,
  .footer-nav {
    flex-wrap: wrap;
    gap: 16px 24px;
  }

  .hero {
    min-height: 0;
    padding-top: 44px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-system {
    min-height: auto;
    display: grid;
    gap: 16px;
  }

  .connection-map,
  .system-node.center {
    display: none;
  }

  .system-card,
  .dashboard-card,
  .activity-card {
    position: static;
  }

  .system-card {
    grid-template-columns: 64px 1fr;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
  }

  .icon-box {
    width: 58px;
    height: 58px;
  }

  .dashboard-card,
  .biology-grid,
  .service-grid,
  .principle-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .activity-card {
    width: auto;
  }

  .cueleaf-steps {
    grid-template-columns: 1fr;
  }

  .step-arrow {
    justify-self: center;
    transform: rotate(135deg);
  }

  .principle-grid article {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .principle-grid article:first-child {
    border-top: 0;
  }

  .contact-copy {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: start;
  }

  .footer-nav {
    justify-content: flex-start;
  }

  .copyright {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .education,
  .cueleaf,
  .workflows,
  .principles,
  .contact-strip,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .brand {
    font-size: 24px;
  }

  .nav {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
    font-size: 14px;
  }

  .branch-mark {
    width: 42px;
    height: 42px;
  }

  .hero h1 {
    font-size: 42px;
    max-width: 100%;
  }

  .hero-copy p,
  .section-copy p,
  .contact-strip p {
    max-width: 100%;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .button,
  .button.dark {
    width: 100%;
    max-width: calc(100vw - 40px);
    min-width: 0;
  }

  .dashboard-card {
    grid-template-columns: 1fr;
  }

  .hero-system-art,
  .biology-art {
    width: 100%;
    max-width: none;
    margin-left: 0;
  }

  .biology-card,
  .cueleaf-steps article,
  .service-grid article {
    padding: 22px;
  }
}