/* Hallmark · macrostructure: Marquee Hero · tone: calm, exact, lightly sales-led · anchor hue: mint/teal */
/* Hallmark · visual reference: nidus-OLD · nav: edge-aligned · footer: dark statement · enrichment: soft mark wash */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V4 */
@import url("tokens.css");

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  background-image: var(--gradient-wash);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.6;
}

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

::selection {
  background: var(--color-lime);
  color: var(--color-ink);
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: var(--z-dropdown);
  top: var(--space-sm);
  left: var(--page-gutter);
  padding: var(--space-xs) var(--space-sm);
  transform: translateY(-180%);
  border-radius: var(--radius-tight);
  background: var(--color-ink);
  color: var(--color-white);
  font-size: var(--text-xs);
  text-decoration: none;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-header,
.marquee,
.product-note,
.capabilities,
.faq,
.site-footer {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: var(--z-raised);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: none;
  min-height: 5.5rem;
  margin: 0;
  padding-top: 1.4rem;
  padding-bottom: 1.4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  text-decoration: none;
}

.brand img {
  display: block;
  width: clamp(7rem, 14vw, 9.5rem);
  height: auto;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 2.75rem;
  padding-inline: 1.15rem;
  border-radius: var(--radius-pill);
  background: var(--gradient-nidus);
  box-shadow: var(--shadow-cta);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-cta-hover);
}

.header-cta:active {
  transform: translateY(1px);
}

.marquee {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  max-width: none;
  min-height: min(78svh, 48rem);
  padding-top: 8.5rem;
  padding-bottom: var(--space-3xl);
  overflow: clip;
  isolation: isolate;
  text-align: center;
}

.marquee::before {
  position: absolute;
  inset: 8.5rem 0 2rem;
  z-index: -1;
  background: url("public/nidus-mark.svg") center / min(38rem, 72vw) auto no-repeat;
  filter: blur(0.7rem);
  opacity: 0.12;
  content: "";
  pointer-events: none;
}

.marquee-rail,
.marquee-foot,
.footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.marquee-rail {
  position: absolute;
  top: 7.2rem;
  right: var(--page-gutter);
  left: var(--page-gutter);
}

.marquee-grid {
  position: relative;
  display: grid;
  justify-items: center;
  gap: var(--space-lg);
  width: min(100%, 52rem);
}

.marquee-grid .coming-soon-label {
  justify-self: center;
  margin-right: 0;
  margin-bottom: calc(var(--space-sm) * -1);
  color: var(--color-deep-teal);
  font-size: calc(var(--text-xs) * 2);
}

.display-title,
h2,
h3,
p {
  margin: 0;
}

.display-title,
h2,
h3,
.footer-statement {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  letter-spacing: -0.065em;
}

.display-title {
  max-width: 12ch;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: var(--text-display);
  line-height: 0.98;
}

.hero-aside {
  max-width: 42ch;
  color: var(--color-ink-soft);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.mono-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-dot {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.2rem;
  border-radius: 50%;
  background: var(--color-teal);
}

.marquee-foot {
  position: absolute;
  right: var(--page-gutter);
  bottom: var(--space-xl);
  left: var(--page-gutter);
  justify-content: center;
  color: var(--color-ink-soft);
}

.product-note {
  display: grid;
  grid-template-columns: minmax(10rem, 0.55fr) minmax(0, 1.45fr);
  gap: var(--space-3xl);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  border-top: var(--rule-hair) solid var(--color-line);
  background: var(--color-paper-soft);
  background-image: var(--gradient-wash);
}

.section-intro {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
}

.section-intro h2 {
  max-width: 11ch;
  font-size: var(--text-xl);
  line-height: 1.03;
}

.section-copy {
  display: grid;
  align-content: start;
  gap: var(--space-xl);
  max-width: 65ch;
  color: var(--color-ink-soft);
  font-size: var(--text-lg);
  line-height: 1.55;
}

.section-copy .answer {
  color: var(--color-ink);
  font-size: clamp(1.35rem, 2.8vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-image: var(--gradient-wash);
}

.capability {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
  min-height: 16rem;
  padding: var(--space-xl);
  border: var(--rule-hair) solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.capability--wide {
  transform: translateY(-1.25rem);
}

.capability h3 {
  max-width: 12ch;
  font-size: clamp(1.45rem, 2.5vw, 2.25rem);
  line-height: 1.05;
}

.capability p,
.faq-item p,
.coming-soon > p {
  max-width: 42ch;
  color: var(--color-ink-soft);
}

.capability-index {
  color: var(--color-deep-teal);
}

.coming-soon {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: var(--space-xl);
  width: 100%;
  max-width: none;
  padding: var(--space-4xl) var(--page-gutter);
  background: var(--gradient-nidus);
  color: var(--color-white);
  text-align: center;
}

.coming-soon h2 {
  max-width: 13ch;
  margin-top: var(--space-lg);
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  line-height: 0.98;
}

.coming-soon > p {
  max-width: 46ch;
  color: var(--color-on-gradient);
  font-size: var(--text-lg);
  line-height: 1.5;
}

.mono-label--mint {
  color: var(--color-gradient-label);
}

.faq {
  display: grid;
  grid-template-columns: minmax(10rem, 0.55fr) minmax(0, 1.45fr);
  gap: var(--space-3xl);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background: var(--color-paper-warm);
}

.faq-list {
  display: grid;
  gap: var(--space-xl);
}

.faq-item {
  display: grid;
  gap: var(--space-sm);
  padding-bottom: var(--space-xl);
  border-bottom: var(--rule-hair) solid var(--color-line);
}

.faq-item h3 {
  font-size: var(--text-lg);
  line-height: 1.1;
}

.site-footer {
  max-width: none;
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-xl);
  background: var(--color-footer);
  color: var(--color-white);
}

.footer-statement {
  max-width: 12ch;
  margin-bottom: var(--space-3xl);
  font-size: clamp(2.5rem, 7vw, 7rem);
  line-height: 0.9;
}

.footer-meta {
  padding-top: var(--space-md);
  border-top: var(--rule-hair) solid var(--color-footer-line);
  color: var(--color-footer-muted);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(0.65rem);
  transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

@media (max-width: 800px) {
  .product-note,
  .faq {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .capability,
  .capability--wide {
    min-height: 0;
    transform: none;
  }
}

@media (max-width: 520px) {
  .site-header {
    min-height: 4.75rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .brand img {
    width: 7rem;
  }

  .header-cta {
    min-height: 2.5rem;
    padding-inline: 0.9rem;
  }

  .marquee {
    min-height: min(75svh, 42rem);
    padding-top: 8rem;
  }

  .marquee-rail,
  .marquee-foot,
  .footer-meta {
    align-items: center;
    flex-direction: column;
  }

  .marquee-rail {
    top: 6.5rem;
  }

  .marquee-foot {
    bottom: var(--space-lg);
  }

  .display-title {
    font-size: clamp(3rem, 14vw, 4.6rem);
  }

  .coming-soon-label {
    justify-self: center;
    margin-right: 0;
  }

  .product-note,
  .faq {
    gap: var(--space-2xl);
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }

  .capabilities {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }

  .capability {
    padding: var(--space-lg);
  }

  .coming-soon {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }

  .site-footer {
    padding-top: var(--space-3xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}