:root {
  --bg: #f7f3ea;
  --paper: #fffdf8;
  --ink: #17332f;
  --muted: #64706a;
  --line: #d8d0c1;
  --teal: #1ebca0;
  --yellow: #f2c313;
  --blue: #276f89;
  --rust: #b75f37;
  --shadow: 0 18px 45px rgba(44, 38, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(23, 51, 47, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(23, 51, 47, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 28px 28px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 253, 248, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 6px;
}

.page-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2.5vw, 28px);
  min-width: 0;
  color: var(--muted);
  font-size: 14px;
}

.page-tabs a {
  text-decoration: none;
}

.page-tabs a:hover,
.page-tabs a.is-active {
  color: var(--ink);
}

.page-tabs a.is-active {
  font-weight: 900;
}

[hidden] {
  display: none !important;
}

body[data-active-page="project"] .section[data-page]:not([data-page="project"]),
body[data-active-page="fit"] .section[data-page]:not([data-page="fit"]),
body[data-active-page="reproduce"] .section[data-page]:not([data-page="reproduce"]),
body[data-active-page="cobuild"] .section[data-page]:not([data-page="cobuild"]) {
  display: none;
}

main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.section {
  padding: clamp(48px, 6.5vw, 86px) clamp(18px, 5vw, 72px);
  scroll-margin-top: 90px;
  min-width: 0;
}

#project { order: 10; }
#what { order: 20; }
#current { order: 30; }
#demo { order: 40; }
#compare { order: 45; }
#pain { order: 50; }
#fit { order: 10; }
#reproduce { order: 10; }
#materials { order: 20; }
#join-status { order: 10; }
#roadmap { order: 20; }
#progress { order: 30; }
#join { order: 40; }
#need { order: 50; }

.section-title {
  max-width: 1280px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: break-word;
}

.nowrap {
  white-space: nowrap;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(34px, 8.8vw, 72px);
  line-height: 1.08;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.12;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.lead {
  max-width: 720px;
  color: #35524b;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 8px;
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid rgba(23, 51, 47, 0.18);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 900;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.primary-action {
  border-color: var(--teal);
  background: var(--teal);
  color: white;
  box-shadow: 0 16px 30px rgba(30, 188, 160, 0.22);
}

.voice-button {
  color: #0f3e39;
  background: rgba(242, 195, 19, 0.2);
}

.action-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.section-lead {
  max-width: 900px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
  padding-top: clamp(42px, 5vw, 72px);
  padding-bottom: clamp(44px, 6vw, 82px);
}

.hero-routes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 30px 0 18px;
  max-width: 680px;
}

.project-status {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 900px;
  margin: 24px 0 0;
}

.project-status span {
  display: grid;
  gap: 2px;
  min-height: 70px;
  padding: 12px 14px;
  border: 1px solid rgba(30, 188, 160, 0.32);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.76);
  color: #35524b;
  font-size: 13px;
  line-height: 1.35;
}

.project-status strong {
  color: var(--ink);
  font-size: 15px;
}

.route-card {
  display: grid;
  align-content: start;
  min-height: 126px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.8);
  color: var(--ink);
  text-decoration: none;
}

.route-card span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 18px;
  font-weight: 900;
}

.route-card strong {
  font-size: 15px;
  line-height: 1.45;
}

.route-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.main-route {
  border-color: var(--teal);
  background: var(--teal);
  color: white;
}

.main-route span {
  color: white;
}

.notice,
.source-note {
  color: var(--muted);
  font-size: 14px;
}

.hero-media {
  margin: 0;
  min-width: 0;
}

.hero-copy,
.feature-copy,
.demo-copy,
.copy-block,
.route-card,
.resource-card,
.join-card,
.handoff-steps,
.handoff-teams,
.table-wrap {
  min-width: 0;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.concept-figure {
  max-width: 1280px;
  margin: 0 0 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.concept-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.concept-figure figcaption {
  margin: 0;
  padding: 12px 16px;
  color: #35524b;
  background: rgba(255, 253, 248, 0.94);
}

.flow-stage {
  position: relative;
}

.flow-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.flow-label {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.88);
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
  box-shadow: 0 8px 22px rgba(44, 38, 28, 0.1);
  backdrop-filter: blur(8px);
}

.label-need {
  left: 6%;
  top: 55%;
}

.label-core {
  left: 24%;
  top: 70%;
}

.label-seed {
  left: 49%;
  top: 7%;
}

.label-print {
  left: 53%;
  top: 31%;
}

.label-fit {
  left: 47%;
  top: 52%;
}

.label-medical {
  left: 48%;
  top: 69%;
}

.label-public {
  left: 44%;
  top: 84%;
}

.label-next {
  right: 12%;
  top: 54%;
}

.intro,
.current,
.pain,
.progress {
  background: rgba(255, 253, 248, 0.72);
}

.intro-grid,
.pain-grid,
.branch-list,
.join-grid,
.feedback-grid,
.source-grid,
.request-grid {
  display: grid;
  gap: 18px;
}

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

.intro-grid article,
.pain-grid article,
.branch-list article,
.join-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.split,
.feature-row,
.video-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.current .feature-row {
  grid-template-columns: minmax(340px, 0.78fr) minmax(620px, 1.22fr);
  align-items: center;
}

.fit .split {
  max-width: 1280px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.copy-block {
  padding: 28px;
  border-left: 6px solid var(--teal);
  background: rgba(255, 253, 248, 0.86);
}

.fit .copy-block {
  position: relative;
  min-height: 310px;
  padding: 30px 32px 32px;
  border: 1px solid var(--line);
  border-top: 6px solid var(--teal);
  border-left: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.96), rgba(255, 253, 248, 0.88)),
    var(--paper);
  box-shadow: 0 16px 36px rgba(44, 38, 28, 0.08);
}

.copy-block.warning {
  border-color: var(--rust);
}

.copy-block.use-scenes {
  border-color: var(--yellow);
}

.fit .copy-block.use-scenes {
  border-color: var(--line);
  border-top-color: var(--yellow);
}

.fit .copy-block h3 {
  margin-bottom: 16px;
  font-size: 22px;
}

.condition-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 18px;
}

.condition-tags span {
  display: inline-flex;
  padding: 7px 10px;
  border: 1px solid rgba(30, 188, 160, 0.35);
  border-radius: 999px;
  background: rgba(30, 188, 160, 0.08);
  color: #174d45;
  font-size: 13px;
  font-weight: 800;
}

.fit .copy-block ul {
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
}

.fit .copy-block li {
  position: relative;
  margin: 0;
  padding-left: 18px;
  color: #243d38;
}

.fit .copy-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--teal);
}

.fit .copy-block.use-scenes li::before {
  background: var(--yellow);
}

.patient-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1280px;
  margin-top: 24px;
}

.patient-steps article {
  padding: 22px;
  border: 1px solid rgba(30, 188, 160, 0.28);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.9);
}

.patient-steps span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 900;
}

.patient-steps p {
  margin: 0;
  color: #35524b;
}

.patient-faq {
  display: grid;
  gap: 12px;
  max-width: 980px;
  margin-top: 24px;
}

.patient-faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.patient-faq summary {
  padding: 18px 20px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
}

.patient-faq p {
  margin: 0;
  padding: 0 20px 20px;
  color: #35524b;
}

ul {
  margin: 0;
  padding-left: 1.2em;
}

.key-points {
  display: grid;
  gap: 10px;
  padding-left: 1.1em;
}

.key-points li::marker {
  color: var(--teal);
}

li + li {
  margin-top: 8px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.metric-grid div {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.metric-grid span {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.metric-grid strong {
  display: block;
  font-size: 18px;
  line-height: 1.35;
}

.image-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.image-strip figure {
  display: grid;
  grid-template-rows: auto minmax(76px, 1fr);
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 26px rgba(44, 38, 28, 0.08);
}

.image-strip img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 0;
  border-radius: 0;
}

.image-strip figcaption {
  margin: 0;
  padding: 12px 14px 14px;
  color: #35524b;
  font-size: 14px;
  line-height: 1.5;
}

.demo {
  background: #17332f;
  color: #fffdf8;
}

.demo .eyebrow,
.demo .source-note {
  color: #f7d343;
}

.video-panel {
  align-items: center;
}

.video-frame {
  display: flex;
  justify-content: center;
}

.video-panel video {
  width: min(100%, 460px);
  max-height: 720px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: #000;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
}

.demo-copy {
  max-width: 660px;
}

.before-after {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.before-after article {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.before-after span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--yellow);
  font-weight: 900;
}

.before-after ul {
  color: #eef8f4;
}

.compare {
  background: #fffdf8;
}

.compare-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 1280px;
}

.compare-card {
  display: grid;
  grid-template-rows: auto minmax(118px, 1fr);
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(23, 51, 47, 0.16);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 18px 44px rgba(44, 38, 28, 0.1);
}

.compare-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 1080 / 760;
  object-fit: contain;
  background: #fff;
}

.compare-card figcaption {
  display: grid;
  gap: 8px;
  padding: 18px 20px 20px;
  color: #35524b;
  line-height: 1.62;
}

.compare-card strong {
  color: var(--ink);
  font-size: 19px;
}

.compare-note {
  max-width: 980px;
  margin-top: 22px;
  padding: 22px 24px;
  border: 1px solid rgba(247, 211, 67, 0.42);
  border-left: 6px solid var(--yellow);
  border-radius: 8px;
  background: rgba(247, 211, 67, 0.1);
}

.compare-note span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--rust);
  font-weight: 900;
}

.compare-note ul {
  margin: 0;
  color: #35524b;
}

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

.pain-grid span {
  color: var(--rust);
  font-weight: 900;
}

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

.tech-backlog {
  max-width: 1280px;
  margin-top: 26px;
  padding: 24px;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.84);
}

.backlog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.backlog-grid article {
  padding: 18px;
  border: 1px solid rgba(39, 111, 137, 0.24);
  border-radius: 8px;
  background: rgba(39, 111, 137, 0.06);
}

.backlog-grid strong {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 17px;
}

.backlog-grid p {
  margin: 0;
  color: #35524b;
  font-size: 14px;
}

.reproduce {
  background: rgba(255, 253, 248, 0.78);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1280px;
}

.resource-card {
  display: grid;
  align-content: start;
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 6px solid var(--teal);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 32px rgba(44, 38, 28, 0.08);
}

.resource-card > span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  color: #0f3e39;
  background: rgba(30, 188, 160, 0.14);
  font-size: 12px;
  font-weight: 900;
}

.resource-card p {
  color: #35524b;
}

.resource-card.is-progress {
  border-top-color: var(--yellow);
}

.resource-card.is-progress > span {
  background: rgba(242, 195, 19, 0.2);
}

.resource-card.is-missing {
  border-top-color: var(--rust);
}

.resource-card.is-missing > span {
  color: #71361f;
  background: rgba(183, 95, 55, 0.14);
}

.placeholder.compact {
  min-height: 72px;
  margin-top: 14px;
  font-size: 14px;
}

.bom {
  background: #e7f3ef;
}

.materials-overview {
  display: grid;
  grid-template-columns: minmax(560px, 1.35fr) minmax(340px, 0.65fr);
  gap: 24px;
  align-items: stretch;
  max-width: 1280px;
  margin-bottom: 24px;
}

.materials-photo {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.materials-photo img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
  object-position: center;
}

.materials-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 380px;
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.88);
}

.materials-summary > span,
.subsection-title > span {
  color: var(--rust);
  font-size: 13px;
  font-weight: 900;
}

.materials-summary h3 {
  max-width: 360px;
  margin: 10px 0 14px;
  font-size: clamp(26px, 3vw, 38px);
}

.materials-summary p {
  color: #2d4b45;
}

.summary-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.summary-tags span {
  padding: 9px 10px;
  border: 1px solid rgba(30, 188, 160, 0.25);
  border-radius: 8px;
  color: #11413a;
  background: rgba(30, 188, 160, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.bom-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1280px;
  margin-bottom: 26px;
}

.bom-card {
  display: flex;
  flex-direction: column;
  min-height: 265px;
  padding: 20px;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 8px;
  background: var(--paper);
}

.bom-card.print-card {
  background: #f7f1df;
}

.bom-card-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.material-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(242, 195, 19, 0.22);
  font-size: 22px;
}

.bom-card h3 {
  margin-bottom: 4px;
}

.bom-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.bom-card dl {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
}

.bom-card dl div {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
}

.bom-card dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.bom-card dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.material-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.printed-parts {
  max-width: 1280px;
}

.subsection-title {
  margin: 0 0 14px;
}

.subsection-title h3 {
  margin: 6px 0 0;
  font-size: clamp(24px, 2.4vw, 34px);
}

.bom-layout {
  display: grid;
  grid-template-columns: minmax(520px, 1.05fr) minmax(430px, 0.95fr);
  gap: 26px;
  align-items: start;
}

.table-wrap {
  overflow-x: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  table-layout: fixed;
}

th,
td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  overflow-wrap: anywhere;
}

th {
  background: #17332f;
  color: #fffdf8;
}

.material-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.material-card {
  display: grid;
  grid-template-rows: auto auto;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

.material-card.featured {
  grid-column: 1 / -1;
}

.material-card img {
  width: 100%;
  height: 168px;
  padding: 14px;
  object-fit: contain;
  object-position: center;
  background: #d9e5e1;
}

.material-card.featured img {
  height: 245px;
}

.material-card figcaption {
  display: grid;
  gap: 4px;
  min-height: 82px;
  padding: 13px 16px 15px;
  color: var(--ink);
  background: #fffdf8;
}

.material-card strong {
  font-size: 0.98rem;
}

.material-card span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.material-card.featured figcaption {
  grid-template-columns: 104px minmax(0, 1fr);
  align-items: start;
  min-height: 64px;
}

.timeline {
  display: grid;
  gap: 12px;
  max-width: 980px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px;
  border-left: 6px solid var(--yellow);
  background: var(--paper);
}

time {
  font-weight: 900;
}

.source-kit {
  background: #eef8f4;
}

.source-grid {
  grid-template-columns: minmax(300px, 1.15fr) minmax(190px, 0.78fr) repeat(2, minmax(220px, 0.95fr));
  max-width: 1280px;
  align-items: stretch;
}

.source-card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 22px;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-top: 6px solid var(--teal);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 32px rgba(44, 38, 28, 0.08);
}

.source-card > span,
.source-card div > span,
.request-copy > span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  color: #0f3e39;
  background: rgba(30, 188, 160, 0.14);
  font-size: 12px;
  font-weight: 900;
}

.source-card h3,
.request-copy h3 {
  font-size: clamp(22px, 2.2vw, 30px);
}

.source-card p,
.request-panel p {
  color: #35524b;
}

.source-card dl {
  display: grid;
  gap: 9px;
  margin: 4px 0 0;
}

.source-card dl div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
}

.source-card dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.source-card dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.feature-source {
  border-top-color: var(--yellow);
}

.feature-source .text-link {
  margin-top: auto;
}

.qr-card img {
  width: min(170px, 100%);
  aspect-ratio: 1;
  margin: 6px 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  object-fit: contain;
}

.request-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(560px, 1.2fr);
  gap: 22px;
  max-width: 1280px;
  margin-top: 22px;
  padding: 24px;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.9);
}

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

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

.request-grid article {
  padding: 18px;
  border: 1px solid rgba(30, 188, 160, 0.24);
  border-radius: 8px;
  background: rgba(30, 188, 160, 0.07);
}

.request-grid strong {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 17px;
}

.request-grid p {
  margin: 0;
  font-size: 14px;
}

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

.feedback-grid figure {
  margin: 0;
}

.feedback-grid img {
  width: 100%;
  height: 360px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.handoff {
  background: rgba(255, 253, 248, 0.78);
}

.cobuild-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 1280px;
  margin: 0 0 26px;
}

.cobuild-strip a {
  display: grid;
  gap: 5px;
  min-height: 112px;
  padding: 18px;
  border: 1px solid rgba(30, 188, 160, 0.32);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.82);
  text-decoration: none;
}

.cobuild-strip strong {
  font-size: 18px;
}

.cobuild-strip span {
  color: #35524b;
  font-size: 14px;
  line-height: 1.5;
}

.handoff-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(420px, 1.15fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: start;
}

.handoff-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.handoff-steps li {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-left: 6px solid var(--teal);
  background: var(--paper);
}

.handoff-steps li:nth-child(even) {
  border-color: var(--yellow);
}

.handoff-steps strong {
  font-size: 18px;
}

.handoff-steps span {
  color: #35524b;
}

.handoff-teams {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 14px;
}

.handoff-teams article {
  min-height: 300px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef8f4;
}

.handoff-teams h3 {
  font-size: clamp(20px, 1.9vw, 26px);
}

.handoff-teams span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 900;
}

.handoff-teams ul {
  margin-top: 16px;
  color: #35524b;
  font-size: 15px;
}

.join {
  background: #fff8df;
}

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

.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  margin-top: 20px;
  padding: 16px;
  border: 2px dashed #c8aa3d;
  border-radius: 8px;
  color: #6a5721;
  background: #fff3bd;
  text-align: center;
  font-weight: 800;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--blue);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.footer {
  padding: 34px clamp(18px, 5vw, 72px);
  color: #dce7e1;
  background: #17332f;
}

.footer p {
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 14px;
}

.footer-links a {
  color: #fff6c6;
  font-weight: 800;
}

.floating-actions {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: flex;
  gap: 10px;
  padding: 8px;
  border: 1px solid rgba(23, 51, 47, 0.14);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.floating-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 14px;
  border-radius: 8px;
  background: var(--teal);
  color: white;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

.floating-actions a:last-child {
  color: var(--ink);
  background: #fff3bd;
}

@media (max-width: 1180px) {
  .hero,
  .split,
  .feature-row,
  .materials-overview,
  .bom-layout,
  .handoff-layout,
  .request-panel,
  .video-panel {
    grid-template-columns: 1fr;
  }

  .materials-photo img,
  .materials-summary {
    min-height: 320px;
  }
}

@media (max-width: 1100px) {
  .current .feature-row {
    grid-template-columns: 1fr;
  }

  .fit .split {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .branch-list,
  .handoff-teams,
  .source-grid,
  .compare-layout,
  .patient-steps,
  .backlog-grid,
  .resource-grid,
  .bom-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero {
    min-height: auto;
  }
}

@media (max-width: 900px) {
  .hero-routes,
  .project-status,
  .resource-grid,
  .handoff-teams,
  .cobuild-strip,
  .request-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  h2 {
    line-height: 1.16;
  }

  h1 {
    font-size: clamp(34px, 12vw, 48px);
    line-height: 1.06;
  }

  .topbar {
    position: sticky;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 10px 14px;
  }

  .page-tabs {
    display: flex;
    width: 100%;
    gap: 8px;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    font-size: 13px;
  }

  .page-tabs::-webkit-scrollbar {
    display: none;
  }

  .page-tabs a {
    flex: 0 0 auto;
    text-align: center;
    white-space: nowrap;
  }

  .hero {
    gap: 22px;
    padding-top: 24px;
  }

  .hero-media {
    order: -1;
    margin-inline: -14px;
  }

  .hero-media img {
    aspect-ratio: 16 / 10;
    border-inline: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .hero-copy .eyebrow {
    margin-top: 4px;
  }

  .lead {
    font-size: 18px;
    line-height: 1.72;
  }

  .intro-grid,
  .branch-list,
  .handoff-teams,
  .source-grid,
  .compare-layout,
  .request-grid,
  .patient-steps,
  .backlog-grid,
  .pain-grid,
  .join-grid,
    .feedback-grid,
    .metric-grid,
    .bom-items,
    .material-gallery,
    .image-strip {
    grid-template-columns: 1fr;
  }

  .materials-photo img,
  .materials-summary {
    min-height: auto;
  }

  .summary-tags {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .image-strip img,
  .feedback-grid img {
    height: auto;
    max-height: none;
  }

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

  .project-status,
  .resource-grid,
  .cobuild-strip {
    grid-template-columns: 1fr;
  }

  .flow-labels {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    background: var(--paper);
  }

  .flow-label {
    position: static;
    min-height: 34px;
    border-radius: 8px;
    text-align: center;
  }

  .material-card.featured figcaption {
    grid-template-columns: 1fr;
  }

  .floating-actions {
    display: none;
  }
}

@media (max-width: 480px) {
  .section {
    padding-inline: 14px;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .copy-block,
  .fit .copy-block,
  .route-card,
  .resource-card,
  .source-card,
  .patient-steps article,
  .join-card,
  .bom-card,
  .intro-grid article,
  .pain-grid article,
  .branch-list article,
  .handoff-teams article,
  .handoff-steps li,
  .cobuild-strip a,
  .request-panel,
  .request-grid article,
  .tech-backlog,
  .backlog-grid article {
    padding: 18px;
  }

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