/*
 * Pictoria One homepage v10.
 * Product narrative centred on governed assertions, evidence and revision.
 */

:root {
  --semantic-surface: #202b55;
  --semantic-surface-deep: #151d3c;
  --semantic-line: rgba(242, 240, 232, .18);
  --semantic-muted: #b9c0d0;
}

#product,
#framework,
#ai,
#trust,
#deployment,
#faq,
#contact {
  scroll-margin-top: 78px;
}

.site-nav {
  gap: 24px;
  font-size: 12px;
}

.site-header .wordmark {
  height: 27px;
}

.hero {
  padding: 138px 0 84px;
}

.hero-grid {
  grid-template-columns: minmax(350px, .82fr) minmax(560px, 1.18fr);
  gap: clamp(46px, 5.4vw, 76px);
}

.hero h1 {
  font-size: clamp(52px, 5.05vw, 74px);
}

.hero-lede {
  max-width: 600px;
}

.section {
  padding: clamp(78px, 7vw, 100px) 0;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, .68fr);
  gap: clamp(56px, 8vw, 124px);
  align-items: end;
  margin-bottom: 54px;
}

.section-title-block h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 4.8vw, 64px);
  font-weight: 520;
  line-height: 1.02;
  letter-spacing: -.052em;
}

.section-intro-copy {
  padding-bottom: 4px;
}

.section-intro-copy > p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.section-intro-copy > p + p {
  margin-top: 22px;
}

.section-intro-copy .section-thesis {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 17px;
  line-height: 1.55;
}

.system-section {
  background:
    linear-gradient(rgba(48, 66, 155, .022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 66, 155, .022) 1px, transparent 1px),
    var(--mineral-paper);
  background-size: 52px 52px, 52px 52px, auto;
}

.operating-model {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.operating-stage {
  display: flex;
  min-width: 0;
  min-height: 382px;
  flex-direction: column;
  padding: 28px 28px 30px;
  border-left: 1px solid var(--line);
}

.operating-stage:last-child {
  border-right: 1px solid var(--line);
}

.stage-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.stage-meta span {
  color: var(--lapis);
  font-size: 10px;
  font-weight: 700;
}

.stage-meta small {
  color: #747e90;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: right;
  text-transform: uppercase;
}

.operating-stage h3 {
  margin: 70px 0 15px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(29px, 2.5vw, 37px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.03em;
}

.operating-stage > p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.68;
}

.operating-stage ul {
  margin: auto 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.operating-stage li {
  position: relative;
  margin: 7px 0;
  padding-left: 14px;
  color: #485269;
  font-size: 10px;
  line-height: 1.45;
}

.operating-stage li::before {
  position: absolute;
  top: .62em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--celadon-deep);
  content: "";
}

.semantic-framework-section {
  position: relative;
  overflow: hidden;
  color: var(--mineral-paper);
  background:
    radial-gradient(circle at 86% 12%, rgba(175, 196, 181, .16), transparent 27%),
    linear-gradient(rgba(242, 240, 232, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 240, 232, .035) 1px, transparent 1px),
    var(--semantic-surface-deep);
  background-size: auto, 52px 52px, 52px 52px, auto;
}

.semantic-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, .62fr);
  gap: clamp(60px, 9vw, 138px);
  align-items: end;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--semantic-line);
}

.semantic-intro h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(44px, 5.2vw, 70px);
  font-weight: 520;
  line-height: 1;
  letter-spacing: -.055em;
}

.semantic-intro-copy {
  padding-bottom: 5px;
}

.semantic-intro-copy p {
  max-width: 540px;
  margin: 0;
  color: var(--semantic-muted);
  font-size: 14px;
  line-height: 1.72;
}

.semantic-intro-copy p + p {
  margin-top: 18px;
  color: var(--mineral-paper);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 18px;
}

.assertion-model {
  margin-top: 48px;
  border: 1px solid var(--semantic-line);
  background: rgba(255, 255, 255, .035);
}

.assertion-model-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 17px 20px;
  border-bottom: 1px solid var(--semantic-line);
}

.assertion-model-head span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.assertion-model-head small {
  color: #919bb1;
  font-size: 9px;
}

.assertion-anatomy {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.assertion-anatomy > div {
  min-height: 132px;
  padding: 24px 18px;
  border-right: 1px solid var(--semantic-line);
}

.assertion-anatomy > div:last-child {
  border-right: 0;
}

.assertion-anatomy small {
  display: block;
  margin-bottom: 25px;
  color: #a8b1c4;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.assertion-anatomy strong {
  display: block;
  color: var(--mineral-paper);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
}

.semantic-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 44px;
  border-top: 1px solid var(--semantic-line);
  border-left: 1px solid var(--semantic-line);
}

.semantic-principles article {
  display: grid;
  grid-template-columns: 44px minmax(170px, .56fr) 1fr;
  gap: 22px;
  align-items: baseline;
  padding: 28px 30px 30px;
  border-right: 1px solid var(--semantic-line);
  border-bottom: 1px solid var(--semantic-line);
}

.semantic-principles span {
  color: var(--celadon);
  font-size: 10px;
}

.semantic-principles h3,
.semantic-principles p {
  margin: 0;
}

.semantic-principles h3 {
  color: var(--mineral-paper);
  font-size: 15px;
}

.semantic-principles p {
  color: #aab2c3;
  font-size: 11px;
  line-height: 1.65;
}

.framework-status {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  margin-top: 34px;
  padding-top: 25px;
  border-top: 1px solid var(--semantic-line);
}

.framework-status span {
  color: var(--celadon);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.framework-status p {
  max-width: 790px;
  margin: 0;
  color: #aeb6c6;
  font-size: 11px;
  line-height: 1.65;
}

.model-policy-section {
  background:
    radial-gradient(circle at 12% 12%, rgba(175, 196, 181, .27), transparent 25%),
    var(--paper);
}

.model-policy-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .62fr);
  gap: clamp(60px, 9vw, 138px);
  align-items: end;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line);
}

.model-policy-head h2 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(44px, 5.2vw, 70px);
  font-weight: 520;
  line-height: 1;
  letter-spacing: -.055em;
}

.model-policy-head > p {
  max-width: 560px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.decision-chain {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.decision-chain article {
  min-height: 330px;
  padding: 28px 26px 30px;
  border-left: 1px solid var(--line);
}

.decision-chain article:last-child {
  border-right: 1px solid var(--line);
}

.decision-chain span {
  color: var(--lapis);
  font-size: 10px;
}

.decision-chain small {
  display: block;
  margin-top: 58px;
  color: var(--celadon-deep);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.decision-chain h3 {
  margin: 10px 0 15px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(25px, 2.4vw, 34px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.03em;
}

.decision-chain p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.66;
}

.processing-note {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 32px;
  margin-top: 32px;
  align-items: baseline;
}

.processing-note span {
  color: var(--lapis);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.processing-note p {
  max-width: 840px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.compact-intro {
  margin-bottom: 48px;
}

.control-register {
  border-top: 1px solid var(--line);
}

.control-register article {
  display: grid;
  grid-template-columns: 48px minmax(190px, .48fr) minmax(300px, 1fr) 180px;
  gap: 28px;
  align-items: baseline;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}

.control-register article > span {
  color: var(--lapis);
  font-size: 10px;
}

.control-register h3,
.control-register p,
.control-register small {
  margin: 0;
}

.control-register h3 {
  font-size: 15px;
}

.control-register p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.control-register small {
  color: #707a8c;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: right;
  text-transform: uppercase;
}

.deployment-section {
  background: #e7ebe4;
}

.deployment-card {
  box-shadow: none;
}

.faq-section {
  background:
    linear-gradient(rgba(48, 66, 155, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 66, 155, .025) 1px, transparent 1px),
    #eef0ea;
  background-size: 52px 52px, 52px 52px, auto;
}

.faq-intro h2 {
  max-width: 560px;
}

.semantic-faq-hero {
  background:
    radial-gradient(circle at 78% 20%, rgba(175, 196, 181, .52), transparent 28%),
    linear-gradient(rgba(48, 66, 155, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 66, 155, .028) 1px, transparent 1px),
    var(--mineral-paper);
  background-size: auto, 52px 52px, 52px 52px, auto;
}

.semantic-faq-hero .hero-lede {
  max-width: 790px;
}

.faq-page-note {
  max-width: 760px;
}

.faq-directory {
  background: var(--paper);
}

.contact-section {
  background:
    radial-gradient(circle at 82% 15%, rgba(175, 196, 181, .12), transparent 28%),
    var(--ink);
}

.contact-copy h2 {
  max-width: 620px;
  font-size: clamp(46px, 5vw, 68px);
}

.contact-form {
  background: rgba(8, 13, 38, .18);
}

@media (max-width: 1120px) {
  .site-nav {
    gap: 17px;
    font-size: 11px;
  }

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

  .hero-copy {
    max-width: 780px;
  }

  .operating-model,
  .decision-chain {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .operating-stage:nth-child(3),
  .operating-stage:nth-child(4),
  .decision-chain article:nth-child(3),
  .decision-chain article:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .operating-stage:nth-child(2),
  .decision-chain article:nth-child(2) {
    border-right: 1px solid var(--line);
  }

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

  .assertion-anatomy > div {
    border-bottom: 1px solid var(--semantic-line);
  }

  .assertion-anatomy > div:nth-child(4n) {
    border-right: 0;
  }

  .assertion-anatomy > div:nth-last-child(-n + 3) {
    border-bottom: 0;
  }

  .assertion-anatomy > div:last-child {
    border-right: 1px solid var(--semantic-line);
  }
}

@media (max-width: 900px) {
  .section-intro,
  .semantic-intro,
  .model-policy-head {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .section-intro-copy,
  .semantic-intro-copy {
    max-width: 720px;
  }

  .semantic-principles article {
    grid-template-columns: 36px 1fr;
  }

  .semantic-principles article p {
    grid-column: 2;
  }

  .control-register article {
    grid-template-columns: 40px minmax(190px, .55fr) 1fr;
  }

  .control-register small {
    grid-column: 2 / -1;
    text-align: left;
  }
}

@media (max-width: 760px) {
  .site-header .wordmark {
    height: 22px;
  }

  .site-nav {
    gap: 0;
    font-size: 14px;
  }

  .hero {
    padding: 108px 0 68px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 60px);
  }

  .section {
    padding: 76px 0;
  }

  .section-intro {
    margin-bottom: 38px;
  }

  .section-title-block h2,
  .semantic-intro h2,
  .model-policy-head h2 {
    font-size: clamp(39px, 11vw, 52px);
  }

  .operating-model,
  .decision-chain,
  .semantic-principles {
    grid-template-columns: 1fr;
  }

  .operating-stage {
    min-height: 0;
    padding: 25px 22px 28px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .operating-stage:last-child {
    border-bottom: 0;
  }

  .operating-stage h3 {
    margin-top: 46px;
  }

  .operating-stage ul {
    margin-top: 28px;
  }

  .semantic-intro {
    padding-bottom: 42px;
  }

  .assertion-model {
    margin-top: 36px;
  }

  .assertion-model-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

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

  .assertion-anatomy > div,
  .assertion-anatomy > div:nth-child(4n),
  .assertion-anatomy > div:last-child {
    min-height: 118px;
    border-right: 1px solid var(--semantic-line);
    border-bottom: 1px solid var(--semantic-line);
  }

  .assertion-anatomy > div:nth-child(2n) {
    border-right: 0;
  }

  .assertion-anatomy > div:last-child {
    border-bottom: 0;
  }

  .assertion-anatomy > div:nth-last-child(2) {
    border-bottom: 0;
  }

  .semantic-principles article {
    padding-inline: 0;
    border-left: 0;
    border-right: 0;
  }

  .framework-status,
  .processing-note {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .decision-chain article {
    min-height: 0;
    padding: 25px 22px 28px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .decision-chain article:last-child {
    border-bottom: 0;
  }

  .decision-chain small {
    margin-top: 42px;
  }

  .control-register article {
    grid-template-columns: 32px 1fr;
    gap: 12px 18px;
  }

  .control-register p,
  .control-register small {
    grid-column: 2;
  }

  .contact-copy h2 {
    font-size: 43px;
  }
}

@media (max-width: 430px) {
  .assertion-anatomy {
    grid-template-columns: 1fr;
  }

  .assertion-anatomy > div,
  .assertion-anatomy > div:nth-child(2n),
  .assertion-anatomy > div:nth-last-child(2),
  .assertion-anatomy > div:last-child {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--semantic-line);
  }

  .assertion-anatomy > div:last-child {
    border-bottom: 0;
  }

  .assertion-anatomy small {
    margin-bottom: 12px;
  }

  .semantic-principles article {
    grid-template-columns: 28px 1fr;
    gap: 14px;
  }

  .semantic-principles article p {
    grid-column: 2;
  }
}