:root {
  --ink: #172033;
  --muted: #5f687a;
  --line: #d9dee8;
  --paper: #ffffff;
  --mist: #f4f7fb;
  --sea: #0f8b8d;
  --sea-dark: #0a5f61;
  --plum: #3b123b;
  --green: #2f7d4b;
  --amber: #b46a00;
  --blue: #2557a7;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.12);
  color-scheme: light;
  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(--ink);
  background: var(--paper);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(217, 222, 232, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

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

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--plum);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.top-nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.top-nav a {
  text-decoration: none;
}

.top-nav a:hover {
  color: var(--sea-dark);
}

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(420px, 0.78fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  overflow: hidden;
  padding: 120px clamp(20px, 5vw, 72px) 72px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.86) 42%, rgba(255,255,255,0.54) 100%),
    #eef5f4;
}

.hero-visual {
  position: relative;
  grid-column: 2;
  grid-row: 1 / span 2;
  display: grid;
  width: 100%;
  place-items: center;
  opacity: 1;
}

.hero-visual img {
  width: min(660px, 100%);
  height: auto;
  margin: 0;
}

.hero-copy {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  z-index: 2;
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--sea-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 940px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8vw, 94px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-lede {
  max-width: 720px;
  color: #354055;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
}

.hero-actions,
.config-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--plum);
}

.button.secondary {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.button.ghost {
  color: var(--sea-dark);
  background: transparent;
  border-color: rgba(15, 139, 141, 0.28);
}

.section {
  padding: 86px clamp(20px, 5vw, 72px);
}

.band-light {
  background: var(--mist);
}

.band-muted {
  background: #faf7f0;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 34px;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.section-heading.split {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading.split > div:first-child {
  max-width: 780px;
}

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

.base-item {
  min-height: 128px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.base-item span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--sea-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.base-item strong {
  display: block;
  font-size: 18px;
}

.config-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.85fr);
  gap: 24px;
  align-items: start;
}

.config-panel,
.summary-panel,
.deployment-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(23, 32, 51, 0.07);
}

.industry-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.industry-button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  color: var(--muted);
  background: #fff;
  font-weight: 850;
  cursor: pointer;
}

.industry-button[aria-pressed="true"] {
  color: #fff;
  border-color: var(--plum);
  background: var(--plum);
}

.config-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.tab-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  color: var(--muted);
  background: #fff;
  font-weight: 800;
  cursor: pointer;
}

.tab-button[aria-selected="true"] {
  color: #fff;
  border-color: var(--sea-dark);
  background: var(--sea-dark);
}

.config-options {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.config-option {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.config-option input {
  width: 20px;
  height: 20px;
  accent-color: var(--sea-dark);
}

.config-option strong {
  display: block;
  margin-bottom: 4px;
}

.config-option p {
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.45;
}

.surface-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.surface-badge,
.mode-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 900;
}

.surface-badge.yes {
  color: #fff;
  background: var(--green);
}

.surface-badge.partial {
  color: var(--amber);
  background: #fff0dc;
}

.surface-badge.no {
  color: var(--muted);
  background: #eef1f5;
}

.mode-badge {
  color: var(--blue);
  background: #e8f0ff;
}

.summary-panel {
  position: sticky;
  top: 98px;
  padding: 22px;
}

.summary-kicker {
  margin-bottom: 8px;
  color: var(--sea-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.industry-summary {
  display: grid;
  gap: 5px;
  margin-top: 12px;
  border-left: 3px solid var(--sea);
  padding: 10px 12px;
  background: #f6fbfb;
}

.industry-summary strong {
  font-size: 15px;
}

.industry-summary span {
  color: var(--muted);
  line-height: 1.45;
}

.summary-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.summary-metrics div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--mist);
}

.summary-metrics dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.summary-metrics dd {
  margin: 5px 0 0;
  font-size: 22px;
  font-weight: 900;
}

.summary-list {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.summary-list span {
  display: block;
  border-left: 3px solid var(--sea);
  padding: 7px 9px;
  background: #f6fbfb;
  font-weight: 750;
}

.summary-note {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(59, 18, 59, 0.18);
  border-radius: 8px;
  padding: 14px;
  background: #fff8fb;
  color: #392238;
}

.module-groups {
  display: grid;
  gap: 22px;
}

.module-group {
  display: grid;
  gap: 12px;
}

.module-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(23, 32, 51, 0.14);
  padding-bottom: 10px;
}

.module-group-header h3 {
  margin: 0;
}

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

.module-card {
  display: grid;
  gap: 12px;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.module-card h4 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.module-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.qllm-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 32px;
  align-items: center;
  color: #fff;
  background: var(--plum);
}

.qllm-section .eyebrow {
  color: #b9f1e9;
}

.qllm-copy p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.55;
}

.qllm-details {
  display: grid;
  gap: 10px;
}

.qllm-details span {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

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

.deployment-grid article {
  padding: 22px;
}

.deployment-grid p {
  color: var(--muted);
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #fff;
  background: var(--ink);
}

@media (max-width: 1080px) {
  .top-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 92px;
  }

  .hero-visual {
    grid-column: 1;
    grid-row: 2;
    justify-self: center;
    max-width: 720px;
    opacity: 0.96;
  }

  .hero-visual img {
    width: min(720px, 100%);
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .base-grid,
  .module-card-grid,
  .deployment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .config-layout,
  .qllm-section {
    grid-template-columns: 1fr;
  }

  .summary-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 14px 18px;
  }

  .hero,
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding-top: 78px;
    padding-bottom: 42px;
  }

  .hero-visual img {
    width: 100%;
    margin-right: 0;
  }

  h1 {
    font-size: 46px;
  }

  .section-heading.split {
    display: block;
  }

  .config-actions {
    margin-top: 18px;
  }

  .base-grid,
  .module-card-grid,
  .deployment-grid {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    display: grid;
  }
}

@media print {
  @page {
    margin: 16mm;
  }

  html {
    scroll-behavior: auto;
  }

  body {
    background: #fff;
  }

  .site-header,
  .hero,
  #base,
  #addons,
  .qllm-section,
  #deployment,
  .site-footer,
  .config-actions,
  .config-panel,
  .summary-note {
    display: none !important;
  }

  .section {
    padding: 0;
  }

  .section-heading {
    margin-bottom: 18px;
  }

  .section-heading.split {
    display: block;
  }

  .industry-presets {
    display: none;
  }

  .config-layout {
    display: block;
  }

  .summary-panel {
    position: static;
    border: 0;
    box-shadow: none;
    padding: 0;
  }

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

  .summary-list span,
  .industry-summary,
  .summary-metrics div {
    break-inside: avoid;
  }
}