/* Plurae static landing page.
   System fonts and local assets only. No external requests. */

:root {
  color-scheme: light dark;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
    system-ui, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Helvetica Neue", system-ui, sans-serif;

  --color-bg: #ffffff;
  --color-surface: #f6f7f9;
  --color-surface-strong: #eef2f7;
  --color-fg: #101114;
  --color-muted: #5b6472;
  --color-subtle: #7f8793;
  --color-border: #e3e7ed;
  --color-border-strong: #cbd3df;
  --color-accent: #0f6fbd;
  --color-accent-strong: #0b4f8b;
  --color-accent-soft: #e8f3fb;
  --color-focus: #0f6fbd;
  --color-white: #ffffff;

  --shadow-sm: 0 1px 2px rgba(16, 17, 20, 0.05);
  --shadow-md: 0 18px 42px rgba(28, 52, 76, 0.1);

  --radius-sm: 4px;
  --radius-md: 8px;
  --container: 1120px;
  --container-narrow: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #101114;
    --color-surface: #171a1f;
    --color-surface-strong: #20252d;
    --color-fg: #f5f7fb;
    --color-muted: #b7c0ce;
    --color-subtle: #8791a1;
    --color-border: #28303a;
    --color-border-strong: #3a4553;
    --color-accent: #73bdf2;
    --color-accent-strong: #a5d6fa;
    --color-accent-soft: #142435;
    --color-focus: #73bdf2;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.38);
    --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.34);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-fg);
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--color-accent-strong);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  background: var(--color-accent);
  color: var(--color-white);
}

.skip-link {
  position: absolute;
  inset-block-start: -10rem;
  inset-inline-start: 1rem;
  z-index: 100;
  padding: 0.6rem 0.85rem;
  background: var(--color-fg);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.skip-link:focus-visible {
  inset-block-start: 1rem;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 720px) {
  .container {
    padding-inline: 2rem;
  }
}

.container--narrow {
  max-width: var(--container-narrow);
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--color-fg);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 10ch;
  margin-block-end: 1.25rem;
  font-size: 3.4rem;
  font-weight: 650;
}

h2 {
  margin-block-end: 0.9rem;
  font-size: 2rem;
  font-weight: 650;
}

h3 {
  margin-block-end: 0.6rem;
  font-size: 1.25rem;
  font-weight: 650;
}

p {
  color: var(--color-muted);
}

@media (max-width: 719px) {
  h1 {
    max-width: 11ch;
    font-size: 2.75rem;
  }

  h2 {
    font-size: 1.75rem;
  }
}

/* Site chrome */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 0.75rem;
  color: var(--color-fg);
  text-decoration: none;
}

.brand-link:hover {
  color: var(--color-fg);
}

.brand-icon {
  flex: 0 0 auto;
  border-radius: 9px;
  box-shadow: var(--shadow-sm);
}

.brand-copy {
  display: grid;
  gap: 0.05rem;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1;
}

.brand-parent {
  color: var(--color-subtle);
  font-size: 0.78rem;
  line-height: 1.25;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--color-muted);
  font-size: 0.94rem;
  font-weight: 550;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--color-fg);
}

.site-nav__primary {
  color: var(--color-fg) !important;
}

@media (max-width: 620px) {
  .site-nav a:not(.site-nav__primary) {
    display: none;
  }
}

/* Hero */

.hero {
  padding-block: 4.5rem 3rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 3rem;
}

.hero__copy {
  max-width: 44rem;
}

.hero__lede {
  max-width: 34rem;
  margin-block-end: 2rem;
  font-size: 1.2rem;
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.96rem;
  font-weight: 650;
  text-decoration: none;
}

.button--primary {
  background: var(--color-fg);
  color: var(--color-bg);
}

.button--primary:hover {
  color: var(--color-bg);
}

.button--secondary {
  color: var(--color-fg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.identity-panel {
  width: min(100%, 26rem);
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, var(--color-surface), var(--color-bg)),
    var(--color-bg);
  box-shadow: var(--shadow-md);
}

.identity-panel__icon {
  width: 8.5rem;
  height: 8.5rem;
  border-radius: 1.85rem;
  box-shadow: 0 18px 32px rgba(15, 111, 189, 0.2);
}

.identity-panel__copy {
  display: grid;
  gap: 0.35rem;
}

.identity-panel__label {
  margin-block-end: 0;
  color: var(--color-fg);
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 650;
}

.identity-panel__copy p:last-child {
  margin-block-end: 0;
  font-size: 1rem;
}

.identity-panel__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.identity-panel__facts div {
  padding: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.identity-panel__facts dt {
  margin-block-end: 0.3rem;
  color: var(--color-subtle);
  font-size: 0.76rem;
  font-weight: 650;
  text-transform: uppercase;
}

.identity-panel__facts dd {
  margin: 0;
  color: var(--color-fg);
  font-size: 0.95rem;
  font-weight: 650;
}

@media (min-width: 880px) {
  .hero {
    padding-block: 5.25rem 2.5rem;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(21rem, 0.78fr);
    gap: 4rem;
  }
}

@media (max-width: 500px) {
  .identity-panel__facts {
    grid-template-columns: 1fr;
  }
}

/* Product pillars */

.pillars {
  padding-block: 3rem 4.5rem;
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
}

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

.pillar {
  display: grid;
  align-content: start;
  padding: 1.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.pillar__number {
  margin-block-end: 2rem;
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.pillar p:last-child {
  margin-block-end: 0;
  font-size: 1rem;
}

@media (max-width: 860px) {
  .pillars__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 719px) {
  .hero {
    padding-block: 3rem 2.25rem;
  }

  .hero__grid {
    gap: 1.75rem;
  }

  .hero__lede {
    margin-block-end: 1.35rem;
    font-size: 1.08rem;
  }

  .hero__actions {
    gap: 0.65rem;
  }

  .button {
    min-height: 42px;
    padding: 0.62rem 0.82rem;
    font-size: 0.91rem;
  }

  .identity-panel {
    grid-template-columns: 4.75rem minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
    padding: 1rem;
  }

  .identity-panel__icon {
    width: 4.75rem;
    height: 4.75rem;
    border-radius: 1.05rem;
  }

  .identity-panel__label {
    font-size: 1.35rem;
  }

  .identity-panel__copy p:last-child {
    font-size: 0.94rem;
  }

  .identity-panel__facts {
    display: none;
  }
}

/* Privacy band */

.privacy-band {
  padding-block: 4.25rem;
}

.privacy-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 1.4rem;
}

.privacy-band p {
  max-width: 46rem;
  margin-block-end: 0;
  font-size: 1.05rem;
}

.text-link {
  justify-self: start;
  color: var(--color-fg);
  font-weight: 650;
}

@media (min-width: 820px) {
  .privacy-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

/* CTA */

.cta {
  padding-block: 4.5rem 5.5rem;
  background: var(--color-surface-strong);
}

.cta__inner {
  max-width: 45rem;
  text-align: center;
}

.cta__icon {
  width: 4.5rem;
  height: 4.5rem;
  margin-inline: auto;
  margin-block-end: 1.4rem;
  border-radius: 1rem;
}

.cta p {
  max-width: 34rem;
  margin-inline: auto;
  font-size: 1.05rem;
}

.cta__placeholder {
  display: inline-grid;
  grid-template-columns: auto auto;
  gap: 0.55rem;
  align-items: baseline;
  margin-block-start: 1rem;
  margin-block-end: 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-muted);
}

.cta__placeholder strong {
  color: var(--color-fg);
}

@media (max-width: 480px) {
  .cta__placeholder {
    grid-template-columns: 1fr;
  }
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: 2.5rem;
  background: var(--color-bg);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__brand {
  margin-block-end: 0.15rem;
  color: var(--color-fg);
  font-weight: 700;
}

.site-footer__parent {
  margin-block-end: 0;
  font-size: 0.92rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__nav a {
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 550;
  text-decoration: none;
}

.site-footer__nav a:hover {
  color: var(--color-fg);
}

/* Legal pages */

.legal {
  padding-block: 5rem 6rem;
}

.legal h1 {
  max-width: none;
  margin-block-end: 0.5rem;
  font-size: 2.7rem;
}

.legal__meta {
  margin-block-end: 3rem;
  color: var(--color-subtle);
  font-size: 0.9rem;
}

.legal h2 {
  margin-block-start: 2.5rem;
  margin-block-end: 1rem;
  font-size: 1.35rem;
}

.legal p,
.legal li {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.legal p + p {
  margin-block-start: 1rem;
}

.legal ul {
  display: grid;
  gap: 0.5rem;
  margin-block: 1rem;
  padding-inline-start: 1.25rem;
}

.legal strong {
  color: var(--color-fg);
  font-weight: 650;
}