:root {
  --ink: #1a1a1a;
  --ink-soft: #4d5968;
  --paper: #f7f8fa;
  --panel: #ffffff;
  --line: #e2e6ec;
  --line-strong: #c1c8d2;
  --charcoal: #182130;
  --charcoal-deep: #101722;
  --amber: #e8913a;
  --gold: #d4a853;
  --shadow: 0 18px 50px rgba(27, 42, 61, 0.12);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Source Sans 3", "Source Sans Pro", Inter, Calibri, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.48;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Raleway, Montserrat, Arial, sans-serif;
  font-weight: 650;
  line-height: 1.06;
}

h1 {
  max-width: 1020px;
  font-size: clamp(3.2rem, 6.8vw, 6.3rem);
}

h2 {
  font-size: clamp(2.1rem, 3.5vw, 3.65rem);
}

h3 {
  font-size: 1.35rem;
}

.section-inner {
  width: min(1160px, calc(100% - 44px));
  margin: 0 auto;
}

.hero {
  min-height: 80vh;
  color: #ffffff;
  background:
    linear-gradient(115deg, rgba(16, 23, 34, 0.98) 0%, rgba(24, 33, 48, 0.95) 68%, rgba(12, 18, 27, 1) 100%),
    var(--charcoal);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(247, 248, 250, 0.22);
}

.topbar {
  width: min(1160px, calc(100% - 44px));
  height: 108px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  position: relative;
  z-index: 2;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: clamp(188px, 20vw, 260px);
  height: auto;
  display: block;
}

.topbar-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.topbar-links a {
  min-height: 40px;
  padding: 10px 13px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
}

.topbar-links a:hover,
.topbar-links a:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.hero-stage {
  width: min(1160px, calc(100% - 44px));
  min-height: calc(80vh - 108px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 46px 0 92px;
}

.hero-copy {
  max-width: 1030px;
  border-left: 4px solid var(--amber);
  padding-left: clamp(24px, 3vw, 40px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--charcoal);
  font-size: 0.92rem;
  font-weight: 820;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--amber);
  font-size: clamp(1.1rem, 1.55vw, 1.42rem);
  line-height: 1.22;
  max-width: 860px;
}

.hero-lede {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.15rem, 1.7vw, 1.42rem);
}

.intro-band {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 44px;
  padding: 64px 0;
  align-items: start;
}

.intro-statement {
  max-width: 760px;
  margin: 0;
  padding: clamp(22px, 3vw, 34px);
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  background: #ffffff;
  color: var(--charcoal);
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.35;
  box-shadow: 0 14px 34px rgba(27, 42, 61, 0.07);
}

.selection-section,
.index-section {
  padding: 74px 0;
}

.criterion-card,
.pilot-card,
.use-case-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.criterion-card p,
.pilot-card p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

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

.criterion-card {
  min-height: 166px;
  padding: 24px;
  position: relative;
  border-top: 4px solid var(--amber);
  box-shadow: 0 12px 30px rgba(27, 42, 61, 0.06);
}

.criterion-card h3 {
  color: var(--charcoal);
  font-size: 1.28rem;
}

.criterion-card p {
  font-size: 1.05rem;
}

.start-band {
  padding: 72px 0;
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 30px;
}

.section-head > p {
  margin: 0;
  color: var(--ink-soft);
}

.text-link {
  color: var(--charcoal);
  font-weight: 760;
  text-decoration-color: rgba(232, 145, 58, 0.72);
  text-underline-offset: 4px;
  white-space: nowrap;
}

.pilot-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.pilot-card {
  min-height: 255px;
  padding: 22px;
  display: grid;
  grid-template-rows: 136px 1fr;
  align-content: start;
  gap: 14px;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: left;
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(27, 42, 61, 0.07);
}

.pilot-heading {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  align-content: start;
}

.pilot-card:hover,
.pilot-card:focus-visible {
  border-color: rgba(232, 145, 58, 0.72);
  box-shadow: 0 18px 42px rgba(27, 42, 61, 0.11);
  outline: none;
}

.pilot-icon,
.directory-icon,
.case-icon-large {
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  background: var(--charcoal);
  color: #ffffff;
}

.pilot-icon {
  width: 42px;
  height: 42px;
}

.pilot-card h3 {
  font-size: 1.22rem;
}

.pilot-card p {
  font-size: 1.03rem;
}

.pilot-icon svg,
.directory-icon svg,
.case-icon-large svg {
  width: 58%;
  height: 58%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: end;
  margin: 30px 0 44px;
}

.search-field {
  max-width: 430px;
}

.search-field {
  display: grid;
  gap: 8px;
}

.search-field span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 760;
}

.search-field input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--ink);
  background: #ffffff;
  outline: none;
}

.search-field input:focus {
  border-color: var(--charcoal);
  box-shadow: 0 0 0 3px rgba(232, 145, 58, 0.18);
}

.segmented {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  justify-content: flex-start;
  padding-bottom: 2px;
}

.segmented button,
.primary-action {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 760;
  white-space: nowrap;
}

.segmented button {
  flex: 1 1 0;
  min-width: 0;
  white-space: normal;
  text-align: center;
  line-height: 1.15;
}

.segmented button[aria-pressed="true"] {
  border-color: var(--category-accent, var(--charcoal));
  color: #ffffff;
  background: var(--category-accent, var(--charcoal));
}

.segmented button:not([aria-pressed="true"]) {
  border-color: color-mix(in srgb, var(--category-accent, var(--line-strong)) 45%, var(--line-strong));
  background: var(--category-tint, #ffffff);
}

.use-case-directory {
  display: grid;
  gap: 56px;
}

.category-group {
  display: grid;
  gap: 24px;
}

.category-heading {
  padding: 28px 0 10px;
  border-top: 4px solid var(--category-accent, var(--amber));
}

.category-heading p {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 820;
  text-transform: uppercase;
}

.category-heading h3 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.category-heading span {
  display: block;
  max-width: 720px;
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.directory-item {
  min-height: 116px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--category-accent, var(--amber));
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 18px;
  text-align: left;
  box-shadow: 0 10px 24px rgba(27, 42, 61, 0.05);
}

.directory-item:hover,
.directory-item:focus-visible {
  border-color: rgba(232, 145, 58, 0.7);
  box-shadow: 0 18px 38px rgba(27, 42, 61, 0.1);
  outline: none;
}

.directory-icon {
  width: 44px;
  height: 44px;
  background: var(--category-tint, #fff4e9);
  color: var(--category-accent, var(--amber));
}

.directory-copy {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.directory-copy strong {
  font-family: Raleway, Montserrat, Arial, sans-serif;
  font-size: 1.04rem;
  line-height: 1.16;
}

.directory-copy small {
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.32;
}

.directory-item em {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(232, 145, 58, 0.46);
  border-radius: 999px;
  padding: 4px 9px;
  color: #8a4d14;
  background: #fff4e9;
  font-size: 0.88rem;
  font-style: normal;
  font-weight: 820;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

body.modal-open {
  overflow: hidden;
}

.case-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
}

.case-modal[aria-hidden="false"] {
  display: block;
}

.case-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 31, 45, 0.72);
}

.case-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(980px, calc(100% - 36px));
  max-height: min(760px, calc(100vh - 36px));
  transform: translate(-50%, -50%);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border: 1px solid rgba(247, 248, 250, 0.28);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 24px 70px rgba(10, 17, 25, 0.3);
  overflow: hidden;
}

.modal-close {
  justify-self: end;
  margin: 16px 16px 0;
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  padding: 8px 12px;
  font-weight: 760;
}

.modal-close:hover,
.modal-close:focus-visible,
.modal-nav:hover,
.modal-nav:focus-visible {
  border-color: var(--amber);
  outline: none;
}

.modal-content {
  padding: 18px clamp(22px, 4vw, 52px) clamp(24px, 4vw, 44px);
  overflow: auto;
}

.modal-heading {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 44px);
  align-items: start;
}

.modal-heading h3 {
  max-width: 780px;
  overflow-wrap: anywhere;
  font-size: clamp(2rem, 4vw, 4rem);
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px clamp(22px, 4vw, 52px);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.modal-nav {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  padding: 10px 14px;
  font-weight: 760;
}

.modal-nav.primary {
  border-color: var(--amber);
  background: var(--amber);
  color: var(--charcoal-deep);
}

.use-case-card {
  min-height: clamp(460px, 74vh, 720px);
  padding: clamp(26px, 4.4vw, 56px);
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: start;
  border-left: 6px solid var(--amber);
  box-shadow: var(--shadow);
  scroll-margin-top: 22px;
}

.case-marker {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.case-marker span {
  width: 68px;
  height: 68px;
}

.case-marker em {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid rgba(232, 145, 58, 0.46);
  border-radius: 999px;
  padding: 4px 10px;
  color: #8a4d14;
  background: #fff4e9;
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 820;
  text-transform: uppercase;
}

.case-category {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 820;
  text-transform: uppercase;
}

.case-copy h3 {
  max-width: 980px;
  overflow-wrap: anywhere;
  font-size: clamp(2.05rem, 4vw, 4.1rem);
}

.summary {
  max-width: 890px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  line-height: 1.45;
}

.case-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  margin-top: clamp(28px, 4vw, 52px);
}

.case-detail-grid section {
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.case-detail-grid .value-panel {
  border-color: rgba(232, 145, 58, 0.38);
  background: #fff7ed;
}

.case-detail-grid span {
  display: block;
  margin-bottom: 9px;
  color: var(--charcoal);
  font-size: 0.9rem;
  font-weight: 820;
  text-transform: uppercase;
}

.case-detail-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.case-detail-grid .value-panel p {
  color: var(--ink);
}

.empty-state {
  min-height: 170px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.54);
  text-align: center;
  padding: 22px;
}

.connect-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.connect-banner {
  min-height: 128px;
  display: flex;
  align-items: flex-end;
  padding: 0 max(22px, calc((100% - 1160px) / 2));
  background: var(--charcoal);
  color: #ffffff;
  font-family: Raleway, Montserrat, Arial, sans-serif;
  font-size: clamp(4.3rem, 11vw, 9.4rem);
  font-weight: 800;
  line-height: 0.78;
  text-transform: uppercase;
  white-space: nowrap;
}

.connect-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(360px, 1fr);
  gap: clamp(42px, 8vw, 104px);
  padding: clamp(62px, 7vw, 96px) 0 72px;
  align-items: start;
}

.connect-copy h2 {
  max-width: 420px;
  color: #000000;
  font-size: clamp(2.55rem, 4.3vw, 4.3rem);
  line-height: 1.08;
}

.connect-copy p {
  margin: 26px 0 0;
  color: #000000;
  font-size: clamp(1.25rem, 1.8vw, 1.58rem);
}

.connect-copy a {
  color: inherit;
  text-decoration-color: rgba(232, 145, 58, 0.82);
  text-underline-offset: 4px;
}

.connect-form {
  display: grid;
  gap: 14px;
}

.form-hidden {
  display: none;
}

.connect-form label {
  display: grid;
  gap: 7px;
}

.connect-form span {
  color: #000000;
  font-size: 1.04rem;
  line-height: 1.2;
}

.connect-form input,
.connect-form textarea {
  width: 100%;
  border: 2px solid #a7a7a7;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-size: 1.08rem;
  padding: 10px 12px;
  outline: none;
}

.connect-form input {
  min-height: 42px;
}

.connect-form textarea {
  min-height: 118px;
  resize: vertical;
}

.connect-form input:focus,
.connect-form textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(232, 145, 58, 0.18);
}

.submit-action {
  justify-self: end;
  min-width: 154px;
  min-height: 44px;
  margin-top: 2px;
  border: 1px solid var(--amber);
  border-radius: 8px;
  background: #ff7a1a;
  color: #ffffff;
  cursor: pointer;
  font-size: 1.06rem;
  font-weight: 760;
  padding: 10px 22px;
}

.submit-action:hover,
.submit-action:focus-visible {
  background: var(--amber);
  outline: none;
}

footer {
  width: 100%;
  margin: 0;
  padding: 34px max(22px, calc((100% - 1160px) / 2)) 44px;
  background: var(--charcoal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  color: #ffffff;
  font-size: 0.92rem;
}

footer p {
  margin: 0;
}

.footer-brand {
  display: inline-flex;
}

.footer-logo {
  width: 238px;
  max-width: 58vw;
  height: auto;
  display: block;
}

.confirmation-page {
  min-height: 100vh;
  background:
    linear-gradient(115deg, rgba(16, 23, 34, 0.98) 0%, rgba(24, 33, 48, 0.95) 68%, rgba(12, 18, 27, 1) 100%),
    var(--charcoal);
}

.confirmation-shell {
  min-height: 100vh;
  width: min(980px, calc(100% - 44px));
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 38px;
  color: #ffffff;
}

.confirmation-logo {
  width: min(280px, 68vw);
  height: auto;
}

.confirmation-panel {
  padding-left: clamp(24px, 3vw, 40px);
  border-left: 4px solid var(--amber);
}

.confirmation-panel .section-kicker {
  color: var(--amber);
}

.confirmation-panel h1 {
  max-width: 780px;
  font-size: clamp(3rem, 6.8vw, 6rem);
}

.confirmation-panel p {
  max-width: 620px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.15rem, 1.7vw, 1.42rem);
}

.confirmation-action {
  width: fit-content;
  margin-top: 30px;
  color: var(--charcoal-deep);
  text-decoration: none;
}

@media (max-width: 1060px) {
  .intro-grid,
  .toolbar,
  .connect-layout {
    grid-template-columns: 1fr;
  }

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

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

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

  .segmented {
    justify-content: flex-start;
  }

  .use-case-card {
    min-height: auto;
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .case-detail-grid {
    grid-template-columns: 1fr;
  }

  .modal-heading {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  .topbar {
    width: min(100% - 28px, 1160px);
    height: auto;
    min-height: 82px;
    align-items: flex-start;
    padding-top: 18px;
  }

  .topbar-links {
    display: none;
  }

  .section-inner,
  .hero-stage {
    width: min(100% - 28px, 1160px);
  }

  .hero-stage {
    min-height: auto;
    padding: 38px 0 60px;
  }

  .hero-copy {
    padding-left: 20px;
  }

  h1 {
    font-size: 2.42rem;
  }

  h2 {
    font-size: 1.72rem;
  }

  .hero-lede {
    font-size: 1.04rem;
  }

  .criteria-grid,
  .pilot-strip {
    grid-template-columns: 1fr;
  }

  .selection-section,
  .index-section,
  .next-section,
  .start-band {
    padding: 54px 0;
  }

  .intro-grid {
    padding: 52px 0;
  }

  .section-head {
    display: grid;
    align-items: start;
  }

  .selection-tests,
  .criterion-card,
  .pilot-card {
    padding: 18px;
  }

  .use-case-card {
    padding: 22px;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .case-marker {
    grid-template-columns: auto auto;
    align-items: center;
  }

  .case-marker span {
    width: 52px;
    height: 52px;
    font-size: 1.18rem;
  }

  .case-copy h3 {
    font-size: 2rem;
  }

  .segmented button {
    width: 100%;
    justify-content: center;
  }

  .segmented {
    flex-direction: column;
    overflow: visible;
  }

  .directory-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .directory-item em {
    grid-column: 2;
    justify-self: start;
  }

  .case-modal-panel {
    width: calc(100% - 22px);
    max-height: calc(100vh - 22px);
  }

  .modal-actions {
    display: grid;
  }

  .modal-nav {
    width: 100%;
  }

  .case-detail-grid section,
  .connect-layout {
    padding: 20px;
  }

  footer {
    display: grid;
    padding-left: 14px;
    padding-right: 14px;
  }
}