/* BastionGate landing page styles.
   Consumes tokens from ../tokens/*.css (loaded via ../styles.css).
   Flat surfaces, no shadows; sage vs white contrast is the elevation system. */

/* ---------- Base & accessibility ---------- */

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-canvas);
}

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

a { color: var(--color-ink); }
a:hover { color: var(--color-body); }

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-lg);
  top: -100px;
  z-index: 100;
  background: var(--color-ink);
  color: var(--color-canvas);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--rounded-xl);
  font: var(--type-body-sm-strong);
  text-decoration: none;
  transition: top 120ms ease;
}
.skip-link:focus {
  top: var(--space-lg);
  color: var(--color-canvas);
}

/* Anchors land below the sticky nav */
[id] { scroll-margin-top: 88px; }

/* The design-system NavBar wraps to several rows on small screens; keeping it
   sticky there hides half the viewport. Inline style needs the !important. */
@media (max-width: 900px) {
  nav { position: static !important; }
  [id] { scroll-margin-top: var(--space-lg); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ---------- Layout utilities ---------- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section { padding: 64px 0; background: var(--color-canvas); }
.section--soft { background: var(--color-canvas-soft); }
.section--ink { background: var(--color-ink); color: var(--color-canvas-soft); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 720px;
  margin-bottom: var(--space-2xl);
}
.section-head h2 {
  font: var(--type-display-md);
  margin: 0;
}
.section-head p {
  font: var(--type-body-lg);
  color: var(--color-body);
  margin: 0;
}

.eyebrow {
  font: var(--type-body-sm-strong);
  color: var(--color-positive-deep);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
}
.eyebrow--dark { color: var(--color-primary); }

.grid {
  display: grid;
  gap: var(--space-lg);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
}

.btn-row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--rounded-md);
  background: var(--color-primary-pale);
  flex-shrink: 0;
}

/* ---------- Hero ---------- */

.hero {
  background: var(--color-canvas-soft);
  padding: 40px 0 48px;
}
.hero__inner {
  display: grid;
  gap: var(--space-2xl);
}
@media (min-width: 1024px) {
  .hero__inner {
    grid-template-areas: "copy proof" "demo demo";
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: var(--space-3xl);
    align-items: center;
  }
  .hero__copy { grid-area: copy; }
  .hero__inner > .wf { grid-area: demo; }
  .hero__inner > .hero__proof {
    grid-area: proof;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    border-top: none;
    border-left: 1px solid rgba(14, 15, 12, 0.15);
    padding: var(--space-sm) 0 var(--space-sm) var(--space-2xl);
  }
}
.hero__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 780px;
}
.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.5px;
  text-wrap: balance;
}
.hero__support {
  font: var(--type-body-lg);
  color: var(--color-body);
  margin: 0;
  max-width: 540px;
}
.hero__tertiary {
  font: var(--type-body-sm-strong);
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: var(--space-md) var(--space-xs);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
/* Compact product-proof strip at the bottom of the hero band */
.hero__proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  border-top: 1px solid rgba(14, 15, 12, 0.15);
  padding-top: var(--space-xl);
}
.hero__proof-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}
.hero__proof-item img { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.hero__proof-item div { display: flex; flex-direction: column; gap: 2px; }
.hero__proof-item b { font: var(--type-body-sm-strong); }
.hero__proof-item span { font: var(--type-body-sm); color: var(--color-body); }

@media (max-width: 760px) {
  .hero { padding: 32px 0 40px; }
  .hero__proof { grid-template-columns: 1fr; gap: var(--space-md); }
}

/* ---------- Workflow demo ---------- */

.wf {
  position: relative; /* travelling file marker is positioned against this */
  background: var(--color-canvas);
  border: 1px solid var(--color-ink);
  border-radius: var(--rounded-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  width: 100%;
}

/* Travelling file marker — transform/opacity only */
.wf__chip {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-canvas);
  border: 1.5px solid var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: transform 450ms cubic-bezier(0.3, 0, 0.2, 1), opacity 300ms ease, border-color 300ms ease;
  will-change: transform;
}
.wf__chip img { width: 13px; height: 13px; }
.wf__chip--released { border-color: var(--color-positive-deep); }
.wf__chip--blocked { border-color: var(--color-negative-deep); }

.wf__file {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font: var(--type-body-sm-strong);
}
.wf__file img { width: 16px; height: 16px; display: block; }
.wf__file-anchor { display: inline-flex; }
.wf__file code { font: var(--type-code); font-size: 13px; }

/* Vertical top-to-bottom flow by default (mobile) */
.wf__rail {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* Directional connectors: muted until the following stage is reached */
.wf__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  opacity: 0.3;
  transition: opacity 300ms ease;
}
.wf__link img { width: 16px; height: 16px; transform: rotate(90deg); }
.wf__link--on { opacity: 1; }

.wf__boundary {
  border: 1px dashed var(--color-ink);
  border-radius: var(--rounded-lg);
  padding: var(--space-sm) var(--space-md) var(--space-md);
  transition: border-color 300ms ease, background-color 300ms ease;
}
/* File is inside the trust boundary: make the isolation visible */
.wf__boundary--hot {
  border-style: solid;
  border-color: var(--color-warning-content);
  background: rgba(255, 209, 26, 0.07);
}
.wf__boundary-label {
  font: var(--type-caption);
  font-weight: 600;
  color: var(--color-body);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  display: block;
  margin-bottom: var(--space-xs);
}
.wf__boundary-steps {
  display: flex;
  flex-direction: column;
}
.wf__end {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Horizontal flow with outcome branch on wide screens */
@media (min-width: 900px) {
  .wf__rail {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) auto minmax(0, 3.2fr) auto minmax(190px, 1.25fr);
    gap: var(--space-sm);
    align-items: stretch;
  }
  .wf__link { padding-top: var(--space-md); align-self: start; margin-top: 14px; }
  .wf__link img { transform: none; }
  .wf__boundary-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--space-sm);
  }
  .wf__rail > .wf-step,
  .wf__boundary-steps > .wf-step {
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-sm) 0 0;
  }
  .wf__end { justify-content: flex-start; }
  .wf__end .wf__outcomes { grid-template-columns: 1fr; margin-top: 0; }
}

.wf-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  opacity: 0.38;
  transform: translateY(2px);
  transition: opacity 300ms ease, transform 300ms ease;
}
.wf-step--active,
.wf-step--done {
  opacity: 1;
  transform: translateY(0);
}

.wf-step__icon {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: var(--rounded-sm);
  background: var(--color-canvas-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 300ms ease, box-shadow 300ms ease;
}
.wf-step__icon img { width: 16px; height: 16px; }
.wf-step--active .wf-step__icon {
  background: var(--color-primary-pale);
  box-shadow: inset 0 0 0 1px var(--color-ink);
}

/* Small check indicator on completed stages */
.wf-step__check {
  display: none;
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 14px !important;
  height: 14px !important;
  background: var(--color-canvas);
  border-radius: 50%;
}
.wf-step--done .wf-step__check { display: block; }

/* Restrained scan sweep while the scan stage is active */
@keyframes wf-sweep {
  0%, 100% { transform: rotate(-14deg); }
  50% { transform: rotate(14deg); }
}
.wf-step--active[data-stage="scan"] .wf-step__icon > img:first-child {
  animation: wf-sweep 1100ms ease-in-out infinite;
}

.wf-step__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.wf-step__title-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.wf-step__title { font: var(--type-body-sm-strong); }
.wf-step__detail { font: var(--type-caption); color: var(--color-body); }

.wf-status {
  font: var(--type-caption);
  font-weight: 600;
  padding: 1px 10px;
  border-radius: var(--rounded-pill);
  background: var(--color-canvas-soft);
  color: var(--color-body);
  white-space: nowrap;
}
.wf-status--released { background: var(--color-positive-deep); color: #ffffff; }
.wf-status--blocked { background: var(--color-negative-deep); color: #ffffff; }
.wf-status--quarantine { background: var(--color-warning); color: var(--color-warning-content); }

/* Outcome branch */
.wf__outcomes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}
.wf-outcome {
  border-radius: var(--rounded-lg);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font: var(--type-body-sm-strong);
  background: var(--color-canvas-soft);
  color: var(--color-mute);
  opacity: 0.5;
  transition: opacity 300ms ease, background 300ms ease, color 300ms ease;
}
.wf-outcome img { width: 18px; height: 18px; }
.wf-outcome span { display: flex; flex-direction: column; gap: 1px; }
.wf-outcome small { font: var(--type-caption); font-weight: 400; }
.wf-outcome--on { opacity: 1; }
.wf-outcome--on img { filter: invert(1); }
.wf-outcome--released.wf-outcome--on {
  background: var(--color-positive-deep);
  color: #ffffff;
}
.wf-outcome--blocked.wf-outcome--on {
  background: var(--color-negative-bg);
  color: #ffffff;
}
@media (max-width: 400px) {
  .wf__outcomes { grid-template-columns: 1fr; }
}

.wf__downstream {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font: var(--type-caption);
  color: var(--color-body);
  padding-top: var(--space-xs);
  opacity: 0.65;
  transition: opacity 300ms ease;
}
.wf__downstream img { width: 14px; height: 14px; }
.wf__downstream--on { opacity: 1; color: var(--color-ink); font-weight: 600; }

.wf__invariant {
  font: var(--type-body-sm-strong);
  color: var(--color-ink);
  background: var(--color-primary-pale);
  border-radius: var(--rounded-md);
  padding: var(--space-sm) var(--space-md);
  margin: 0;
}

.wf__controls {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
}
.wf__controls [role="group"] {
  display: inline-flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.wf__btn {
  font: var(--type-body-sm-strong);
  background: var(--color-canvas-soft);
  color: var(--color-ink);
  border: 1px solid transparent;
  border-radius: var(--rounded-xl);
  padding: 10px var(--space-lg);
  min-height: 44px;
  cursor: pointer;
}
.wf__btn:hover:not(:disabled) { background: #dde1da; }
.wf__btn:disabled { opacity: 0.45; cursor: not-allowed; }
.wf__btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.wf__btn--primary:hover:not(:disabled) { background: var(--color-primary-active); }
.wf__btn[aria-pressed="true"] {
  border-color: var(--color-ink);
  background: var(--color-canvas);
}

/* ---------- How it works ---------- */

.how__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}
.how-step {
  background: var(--color-canvas-soft);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.how-step h3 { font: var(--type-body-md-strong); margin: 0; }
.how-step__tag { font: var(--type-body-sm); font-style: italic; color: var(--color-mute); margin: -4px 0 0; }
.how-step p { font: var(--type-body-sm); color: var(--color-body); margin: 0; }
@media (max-width: 1100px) {
  .how__steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .how__steps { grid-template-columns: 1fr; }
}

/* ---------- Comparison ---------- */

.compare__points {
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.compare__points li {
  font: var(--type-body-sm);
  color: var(--color-body);
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}
.compare__points li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--color-mute);
  margin-top: 7px;
}
.compare__points--inverse li { color: var(--color-canvas-soft); }
.compare__points--inverse li::before { background: var(--color-primary); }

/* ---------- Pillars ---------- */

.pillar h3 {
  font: var(--type-display-xs);
  letter-spacing: var(--tracking-display-xs);
  margin: var(--space-md) 0 var(--space-xs);
}
.pillar > p { font: var(--type-body-sm); color: var(--color-body); margin: 0; }
.pillar ul {
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.pillar li {
  font: var(--type-body-sm-strong);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}
.pillar li img { width: 15px; height: 15px; flex-shrink: 0; }

/* ---------- Use cases ---------- */

.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}
.use-case {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  background: var(--color-canvas-soft);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg) var(--space-xl);
  font: var(--type-body-md-strong);
}
.use-case img { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }

/* ---------- Quick start ---------- */

.quick__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-3xl);
  align-items: center;
}
@media (max-width: 900px) {
  .quick__grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
}
.quick__terminal {
  background: var(--color-ink);
  border-radius: var(--rounded-xl);
  padding: var(--space-xl);
  position: relative;
}
.quick__terminal pre {
  font: var(--type-code);
  color: var(--color-primary-active);
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.quick__copy {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: #1a1b18;
  color: var(--color-canvas-soft);
  border: none;
  border-radius: var(--rounded-sm);
  font: var(--type-caption);
  padding: var(--space-sm) var(--space-md);
  min-height: 32px;
  cursor: pointer;
}
.quick__copy:hover { color: #ffffff; }

/* ---------- Tech proof ---------- */

.tech__stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}
.tech__tile {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  background: #1a1b18;
  color: var(--color-canvas-soft);
  border-radius: var(--rounded-lg);
  padding: var(--space-md) var(--space-lg);
  font: var(--type-body-sm-strong);
}
.tech__tile img { filter: invert(90%); }
.tech__tile img { width: 18px; height: 18px; flex-shrink: 0; }
.tech__facts {
  margin: 0 0 var(--space-2xl);
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm) var(--space-2xl);
}
.tech__facts li {
  font: var(--type-body-sm);
  color: var(--color-body);
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}
.tech__facts img { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }
@media (max-width: 800px) {
  .tech__facts { grid-template-columns: 1fr; }
}

/* ---------- Product tour ---------- */

.tour {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.tour__tabs {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-xs);
  -webkit-overflow-scrolling: touch;
}
.tour__tab {
  font: var(--type-body-sm-strong);
  color: var(--color-ink);
  background: var(--color-canvas);
  border: 1px solid transparent;
  border-radius: var(--rounded-xl);
  padding: 10px var(--space-lg);
  min-height: 44px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.tour__tab:hover { background: #f2f4f0; }
.tour__tab[aria-selected="true"] {
  background: var(--color-ink);
  color: var(--color-canvas);
  border-color: var(--color-ink);
}

.tour__panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

@keyframes tour-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.tour__copy { animation: tour-in 220ms ease; max-width: 640px; }
.tour__copy h3 { font: var(--type-body-md-strong); margin: 0 0 var(--space-xs); }
.tour__copy p { font: var(--type-body-sm); color: var(--color-body); margin: 0; }

.tour__media { margin: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.tour__frame {
  background: var(--color-canvas);
  border: 1px solid var(--color-ink);
  border-radius: var(--rounded-lg);
  padding: var(--space-sm);
  aspect-ratio: 1680 / 930; /* stable frame: tallest screenshot + padding */
  animation: tour-in 220ms ease;
}
.tour__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--rounded-sm);
}
.tour__caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  font: var(--type-caption);
  color: var(--color-body);
}
.tour__caption a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font: var(--type-body-sm-strong);
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  min-height: 44px;
}
.tour__caption a img { width: 14px; height: 14px; }

@media (min-width: 1024px) {
  .tour {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(0, 2.6fr);
    gap: var(--space-2xl);
    align-items: start;
  }
  .tour__tabs {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 88px;
  }
  .tour__tab {
    text-align: left;
    white-space: normal;
    background: transparent;
  }
  .tour__tab:hover { background: var(--color-canvas); }
  .tour__tab[aria-selected="true"] { background: var(--color-ink); }
}

/* ---------- FAQ ---------- */

.faq { max-width: 840px; }
.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.faq__item {
  background: var(--color-canvas);
  border-radius: var(--rounded-lg);
  overflow: hidden;
}
.faq__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  background: none;
  border: none;
  padding: var(--space-lg) var(--space-xl);
  min-height: 44px;
  cursor: pointer;
  font: var(--type-body-md-strong);
  color: var(--color-ink);
  text-align: left;
}
.faq__trigger img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 150ms ease;
}
.faq__trigger[aria-expanded="true"] img { transform: rotate(180deg); }
.faq__panel {
  font: var(--type-body-md);
  color: var(--color-body);
  margin: 0;
  padding: 0 var(--space-xl) var(--space-lg);
}
.faq__panel[hidden] { display: none; }

/* ---------- Contact ---------- */

.contact__note {
  font: var(--type-body-sm);
  color: var(--color-mute);
  margin: var(--space-md) 0 0;
}

/* ---------- Final CTA ---------- */

.final h3 {
  font: var(--type-display-xs);
  letter-spacing: var(--tracking-display-xs);
  margin: 0 0 var(--space-sm);
}
.final p { font: var(--type-body-md); margin: 0 0 var(--space-xl); }