/* Component-level styles: header, nav, buttons, cards, forms, footer. */

.site-header {
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-ink-900);
  font-weight: 700;
  margin-right: auto;
}

.brand__mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-royal-600), var(--color-royal-900));
  display: inline-block;
}

.primary-nav__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--color-ink-700);
  font-weight: 500;
  padding: var(--space-1) 0;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--color-accent-strong);
}

.nav-link--active {
  color: var(--color-accent-strong);
  border-bottom-color: var(--color-accent-strong);
}

.staff-login {
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  text-decoration: none;
  white-space: nowrap;
}

/* 2026-08-26: mobile nav collapse (src/client/nav.client.ts). Hidden by
   default at every width — only revealed once nav.client.js has actually
   run and added .js-nav-ready to <html>, and only below the same 40rem
   breakpoint the header itself already stacks at. Without JS (or before
   it loads), the button never appears and .primary-nav below keeps
   rendering exactly as it always has — full nav, no collapse, no
   lockout. See header.ts's comment for the full progressive-enhancement
   reasoning. */
.primary-nav-toggle {
  display: none;
  font: inherit;
  font-weight: 600;
  color: var(--color-ink-700);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
}

.primary-nav-toggle:hover {
  color: var(--color-accent-strong);
}

main {
  outline: none;
}

.hero {
  background: linear-gradient(180deg, var(--color-blue-100), var(--color-white));
  padding: var(--space-6) var(--space-4);
}

.hero__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  text-align: left;
}

.hero__lede {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.button {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: background-color var(--motion-base) ease, color var(--motion-base) ease,
    box-shadow var(--motion-base) ease, transform var(--motion-fast) ease;
  border: 2px solid transparent;
}

/* Pressed-state feedback (all tiers): a small, instant, non-color cue so
   activation isn't communicated by color alone. Governed by the existing
   global prefers-reduced-motion override in base.css like every other
   transition here. */
.button:active {
  transform: translateY(1px);
}

/* Layered on top of the existing global :focus-visible outline (never
   removed) — adds elevation-consistent focus feedback, doesn't replace it. */
.button:focus-visible {
  box-shadow: var(--shadow-focused-interactive);
}

.button--primary {
  background: var(--color-accent-strong);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.button--primary:hover {
  background: var(--color-royal-900);
  color: var(--color-white);
  box-shadow: var(--shadow-medium);
}

.button--primary:active {
  box-shadow: var(--shadow-soft);
}

.button--secondary {
  background: var(--color-white);
  color: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
}

.button--secondary:hover {
  box-shadow: var(--shadow-soft);
}

.button--ghost {
  background: transparent;
  color: var(--color-accent-strong);
  border-color: var(--color-border);
}

.section {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
}

.section--emphasis {
  background: var(--color-surface-section-alt);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.section--cta {
  text-align: left;
  border-top: 1px solid var(--color-border-subtle);
}

.feature-list,
.process-list {
  padding-left: var(--space-4);
}

.feature-list li,
.process-list li {
  margin-bottom: var(--space-2);
}

.app-card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-4);
}

.app-card {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-soft);
}

.app-card--full {
  grid-column: 1 / -1;
}

.app-card__title {
  margin-bottom: var(--space-1);
}

.app-card__meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.empty-state {
  color: var(--color-text-muted);
  font-style: italic;
}

.form-notice {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.form-field {
  margin-bottom: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 32rem;
}

.form-field label {
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
}

.site-footer {
  background: var(--color-royal-900);
  color: var(--color-blue-100);
  margin-top: var(--space-6);
  box-shadow: var(--shadow-inset-highlight);
}

.site-footer__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-4);
}

.site-footer a {
  color: var(--color-blue-100);
}

.site-footer__nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-footer__legal {
  text-align: center;
  padding: var(--space-3) var(--space-4);
  font-size: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 40rem) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Only once JS has actually enhanced the page (see .primary-nav-toggle
     above) — otherwise this rule would hide the nav with no way to
     reopen it. */
  html.js-nav-ready .primary-nav-toggle {
    display: inline-block;
  }

  html.js-nav-ready .primary-nav {
    display: none;
    width: 100%;
  }

  html.js-nav-ready .primary-nav--open {
    display: block;
  }

  html.js-nav-ready .primary-nav__list {
    flex-direction: column;
    gap: var(--space-2);
  }
}

/* Slice B: analytics consent banner (src/client/consent.client.ts). Fixed
   to the bottom of the viewport, dismissed via [hidden] rather than a
   display toggle so it degrades safely if consent.client.js fails to
   load (the banner never renders at all, and the analytics queue simply
   stays "unknown" — nothing is ever sent). */
.consent-banner {
  position: fixed;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 1000;
  max-width: 40rem;
  margin: 0 auto;
  background: var(--color-royal-900);
  color: var(--color-blue-100);
  border-radius: 0.5rem;
  padding: var(--space-4);
  box-shadow: 0 0.5rem 1.5rem rgba(11, 31, 77, 0.35);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

/* Required so [hidden] actually hides the banner, overriding the display above. */
.consent-banner[hidden] {
  display: none;
}

.consent-banner__text {
  flex: 1 1 16rem;
  margin: 0;
  font-size: 0.9rem;
}

.consent-banner__text a {
  color: var(--color-blue-100);
  text-decoration: underline;
}

.consent-banner__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.link-button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* =========================================================================
   Slice 1 — Public-Site Experience Foundation (Sections 21-28, 32).
   Everything below is additive: no selector above this line is redefined,
   only referenced (e.g. .button, .section, .app-card-grid stay exactly as
   they were). New component classes for the technical-hero visualization,
   business-problem/solution/pricing cards, the How We Build process rail,
   the Ava invitation panels, and the "Talk to Ava" nav CTA.
   ========================================================================= */

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin: 0 0 var(--space-2);
}

/* Talk to Ava: the primary nav action (Section 52.A). Styled as a small
   filled button inline with the other nav links so it reads as the
   primary action without needing a second, separate CTA element. */
.nav-link--cta {
  background: var(--color-accent-strong);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  border-bottom-color: transparent;
  box-shadow: var(--shadow-soft);
  transition: background-color var(--motion-base) ease, box-shadow var(--motion-base) ease,
    transform var(--motion-fast) ease;
}

.nav-link--cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-medium);
}

.nav-link--cta:active {
  box-shadow: var(--shadow-soft);
  transform: translateY(1px);
}

.nav-link--cta:focus-visible {
  box-shadow: var(--shadow-focused-interactive);
}

/* --- Technical hero (Section 23) --------------------------------------- */

.hero--technical {
  background: radial-gradient(60rem 30rem at 15% 0%, var(--color-blue-100), transparent),
    linear-gradient(180deg, var(--color-blue-50), var(--color-white));
  padding: var(--space-6) var(--space-4);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-inset-highlight);
}

.hero--technical::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--color-grid-line-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line-light) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 70%);
  pointer-events: none;
}

.hero__inner--split {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-6);
  align-items: center;
  position: relative;
}

.hero__credibility {
  font-weight: 600;
  color: var(--color-ink-700);
  margin-top: var(--space-4);
}

.trust-indicators {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-3) 0 0;
  padding: 0;
}

.trust-indicator {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-left: var(--space-3);
  position: relative;
}

.trust-indicator::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Operational-AI workflow visualization (Section 23): a central node,
   surrounding workflow nodes, and one visibly distinct human-approval
   checkpoint. Decorative (aria-hidden in markup) — the same information
   is stated in adjacent page text, so hiding this from mobile/assistive
   tech loses nothing. */
.workflow-diagram {
  background: var(--color-surface-technical);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  position: relative;
  overflow: hidden;
  box-shadow: 0 1.5rem 3rem rgba(6, 12, 30, 0.25);
}

.workflow-diagram::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(1px 1px at 20% 30%, var(--color-grid-line) 1px, transparent 1px),
    radial-gradient(1px 1px at 60% 70%, var(--color-grid-line) 1px, transparent 1px),
    radial-gradient(1px 1px at 80% 20%, var(--color-grid-line) 1px, transparent 1px);
  background-size: 6rem 6rem;
  pointer-events: none;
}

.workflow-diagram__center {
  position: relative;
  margin: 0 auto var(--space-4);
  width: 8.5rem;
  height: 8.5rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-royal-500), var(--color-royal-900));
  box-shadow: 0 0 0 0.5rem var(--color-accent-illumination);
  color: var(--color-text-on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  padding: var(--space-3);
}

.workflow-diagram__nodes {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.workflow-diagram__node {
  background: var(--color-surface-technical-panel);
  border: 1px solid var(--color-border-on-dark);
  border-radius: var(--radius-sm);
  color: var(--color-text-on-dark);
  font-size: 0.8rem;
  text-align: center;
  padding: var(--space-2);
}

.workflow-diagram__checkpoint {
  position: relative;
  margin: var(--space-4) 0 0;
  color: var(--color-text-on-dark);
  font-size: 0.8rem;
  text-align: center;
  border-top: 1px solid var(--color-border-on-dark);
  padding-top: var(--space-3);
}

@media (prefers-reduced-motion: no-preference) {
  .workflow-diagram__center {
    animation: workflow-pulse var(--motion-slow) ease-in-out infinite alternate;
  }
}

@keyframes workflow-pulse {
  from {
    box-shadow: 0 0 0 0.4rem var(--color-accent-illumination);
  }
  to {
    box-shadow: 0 0 0 0.75rem var(--color-accent-illumination);
  }
}

@media (max-width: 56rem) {
  .hero__inner--split {
    grid-template-columns: 1fr;
  }
}

/* --- Business-problem cards (Section 29) -------------------------------- */

.problem-card-grid {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-4);
}

.problem-card {
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-soft);
}

.problem-card__title {
  margin-bottom: var(--space-1);
  font-size: 1.05rem;
}

.problem-card__desc {
  margin: 0;
  color: var(--color-text-muted);
}

/* --- Dark technical section wrapper (Ava invitation, Section 32) ------- */

.section--dark {
  background: var(--color-surface-technical);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  margin: var(--space-5) auto;
  max-width: var(--content-max-width);
  padding: var(--space-5) var(--space-4);
  box-shadow: var(--shadow-medium), var(--shadow-inset-highlight);
}

.section--dark h2,
.section--dark h1 {
  color: var(--color-text-on-dark);
}

.ava-invite__panel {
  max-width: 40rem;
}

.ava-invite__prompts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-4);
  padding: 0;
}

.ava-invite__prompt {
  border: 1px solid var(--color-border-on-dark);
  border-radius: 999px;
  padding: var(--space-1) var(--space-3);
  font-size: 0.85rem;
  color: var(--color-text-on-dark-muted);
}

/* Ava panel on /contact — sits on the normal light surface (not
   .section--dark) so it visually matches whichever state it's in
   (preview vs. unavailable) without implying the whole page is a
   different "mode." */
.ava-invite--panel {
  background: var(--color-surface-soft-panel);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

/* --- Solutions (Section 30) --------------------------------------------- */

.solution-card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: var(--space-4);
}

.solution-card {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-soft);
}

.solution-card__availability {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin: 0 0 var(--space-1);
}

.solution-card__title {
  margin: 0 0 var(--space-1);
  font-size: 1.1rem;
}

.solution-card__desc {
  color: var(--color-text-muted);
}

/* --- How We Build process rail (Section 28) ----------------------------- */

.process-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  position: relative;
}

.process-rail::before {
  content: "";
  position: absolute;
  top: 1.1rem;
  left: 2.5rem;
  right: 2.5rem;
  height: 2px;
  background: var(--color-border-emphasized);
  z-index: 0;
}

.process-rail__step {
  position: relative;
  text-align: center;
  z-index: 1;
}

.process-rail__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--color-accent-strong);
  color: var(--color-white);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.process-rail__title {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.process-rail__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

@media (max-width: 48rem) {
  .process-rail {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .process-rail::before {
    top: 0;
    bottom: 0;
    left: 1.1rem;
    right: auto;
    width: 2px;
    height: auto;
  }

  .process-rail__step {
    text-align: left;
    padding-left: var(--space-5);
  }

  .process-rail__number {
    position: absolute;
    left: 0;
    top: 0;
  }
}


/* --- How We Build interactive cards and detail pages -------------------- */

.process-rail__step {
  height: 100%;
}

.process-rail__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 15rem;
  padding: var(--space-4);
  color: inherit;
  text-decoration: none;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition:
    border-color var(--motion-base) ease,
    box-shadow var(--motion-base) ease,
    transform var(--motion-fast) ease;
}

.process-rail__link:hover {
  color: inherit;
  border-color: var(--color-accent-strong);
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.process-rail__link:focus-visible {
  box-shadow: var(--shadow-focused-interactive);
}

.process-rail__link:active {
  transform: translateY(1px);
}

.process-rail__learn-more {
  display: inline-block;
  margin-top: auto;
  padding-top: var(--space-3);
  color: var(--color-accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
}

.process-detail__intro {
  max-width: 52rem;
}

.process-detail__eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.process-detail__summary {
  max-width: 48rem;
  color: var(--color-text-muted);
  font-size: 1.15rem;
}

.process-detail__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.process-detail__panel {
  padding: var(--space-4);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.process-detail__panel h2 {
  margin-top: 0;
}

.process-detail__panel ul {
  margin: 0;
  padding-left: var(--space-4);
}

.process-detail__panel li {
  margin-bottom: var(--space-2);
}

.process-detail__navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.process-detail__navigation-item--next {
  text-align: right;
}

.process-detail__nav-link,
.process-detail__all-link {
  font-weight: 700;
}

.process-detail__all-link {
  text-align: center;
}

@media (max-width: 48rem) {
  .process-rail__step {
    padding-left: 0;
  }

  .process-rail__link {
    min-height: 0;
    padding-left: calc(var(--space-5) + var(--space-3));
  }

  .process-rail__number {
    left: var(--space-3);
    top: var(--space-4);
  }

  .process-detail__grid {
    grid-template-columns: 1fr;
  }

  .process-detail__navigation {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .process-detail__navigation-item--next,
  .process-detail__all-link {
    text-align: left;
  }
}

/* --- Pricing (Section 31) ------------------------------------------------ */

.pricing-card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: var(--space-4);
}

.pricing-card {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pricing-card__title {
  margin: 0;
}

.pricing-card__for {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.pricing-card__inclusions {
  margin: 0;
  padding-left: var(--space-4);
  font-size: 0.9rem;
}

.pricing-card__price {
  font-weight: 700;
  color: var(--color-accent-strong);
  margin: var(--space-2) 0 0;
}

.pricing-card__caveat {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.built-from-experience {
  font-style: italic;
  color: var(--color-ink-700);
}
