/**
 * Legatus Landing — QMF token-driven styles only.
 * No hardcoded palette colors outside token references.
 */

:root {
  --lg-font-display: "Syne", var(--qmf-font-sans);
  --lg-font-body: "DM Sans", var(--qmf-font-sans);
  --lg-max: 68rem;
  --lg-nav-h: 4rem;
  --lg-blur: saturate(180%) blur(16px);
  --lg-surface: color-mix(in srgb, var(--qmf-bg-primary) 82%, transparent);
  --lg-hairline: var(--qmf-border-color);
  --lg-elevated: var(--qmf-bg-primary);
  --lg-muted-fill: var(--qmf-bg-secondary);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --qmf-bg-primary: var(--qmf-color-gray-950);
    --qmf-bg-secondary: var(--qmf-color-gray-900);
    --qmf-bg-tertiary: var(--qmf-color-gray-800);
    --qmf-text-primary: var(--qmf-color-gray-50);
    --qmf-text-secondary: var(--qmf-color-gray-400);
    --qmf-text-muted: var(--qmf-color-gray-500);
    --qmf-border-color: var(--qmf-color-gray-800);
    --lg-surface: color-mix(in srgb, var(--qmf-color-gray-950) 78%, transparent);
  }
}

[data-theme="dark"] {
  color-scheme: dark;
  --qmf-bg-primary: var(--qmf-color-gray-950);
  --qmf-bg-secondary: var(--qmf-color-gray-900);
  --qmf-bg-tertiary: var(--qmf-color-gray-800);
  --qmf-text-primary: var(--qmf-color-gray-50);
  --qmf-text-secondary: var(--qmf-color-gray-400);
  --qmf-text-muted: var(--qmf-color-gray-500);
  --qmf-border-color: var(--qmf-color-gray-800);
  --lg-surface: color-mix(in srgb, var(--qmf-color-gray-950) 78%, transparent);
}

[data-theme="light"] {
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--lg-font-body);
  font-size: var(--qmf-text-base);
  line-height: var(--qmf-leading-relaxed);
  color: var(--qmf-text-primary);
  background: var(--qmf-bg-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--qmf-border-focus);
  outline-offset: 3px;
  border-radius: var(--qmf-radius-sm);
}

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

.lg-shell {
  min-height: 100vh;
}

.lg-wrap {
  width: min(100% - 2 * var(--qmf-space-5), var(--lg-max));
  margin-inline: auto;
}

@media (min-width: 768px) {
  .lg-wrap {
    width: min(100% - 2 * var(--qmf-space-8), var(--lg-max));
  }
}

/* ─── Nav ─────────────────────────────────────── */

.lg-nav {
  position: sticky;
  top: 0;
  z-index: var(--qmf-z-sticky);
  height: var(--lg-nav-h);
  border-bottom: 1px solid var(--lg-hairline);
  background: var(--lg-surface);
  backdrop-filter: var(--lg-blur);
  -webkit-backdrop-filter: var(--lg-blur);
}

.lg-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--qmf-space-4);
  height: 100%;
}

.lg-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--qmf-space-3);
  min-width: 0;
}

.lg-brand__logo {
  width: 2rem;
  height: 2rem;
  border-radius: var(--qmf-radius-lg);
  object-fit: contain;
  flex-shrink: 0;
}

.lg-brand__mark {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--qmf-text-primary);
  flex-shrink: 0;
}

.lg-brand__text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: var(--qmf-leading-tight);
}

.lg-brand__title {
  font-family: var(--lg-font-display);
  font-size: var(--qmf-text-sm);
  font-weight: var(--qmf-font-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lg-brand__sub {
  font-size: var(--qmf-text-xs);
  color: var(--qmf-text-muted);
  font-weight: var(--qmf-font-medium);
}

.lg-nav__links {
  display: none;
  align-items: center;
  gap: var(--qmf-space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lg-nav__links a {
  display: inline-flex;
  padding: var(--qmf-space-2) var(--qmf-space-3);
  font-size: var(--qmf-text-sm);
  color: var(--qmf-text-secondary);
  border-radius: var(--qmf-radius-lg);
  transition: color var(--qmf-transition-fast), background var(--qmf-transition-fast);
}

.lg-nav__links a:hover {
  color: var(--qmf-text-primary);
  background: var(--qmf-bg-tertiary);
}

.lg-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--qmf-space-2);
}

@media (min-width: 900px) {
  .lg-nav__links {
    display: flex;
  }
}

/* ─── Buttons (align with QMF btn language) ───── */

.qmf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--qmf-space-2);
  padding: var(--qmf-space-2) var(--qmf-space-4);
  font-family: inherit;
  font-size: var(--qmf-text-sm);
  font-weight: var(--qmf-font-semibold);
  line-height: 1;
  border-radius: var(--qmf-radius-xl);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--qmf-transition-fast), color var(--qmf-transition-fast),
    border-color var(--qmf-transition-fast), transform var(--qmf-transition-fast);
}

.qmf-btn:active {
  transform: scale(0.98);
}

.qmf-btn--lg {
  padding: var(--qmf-space-3) var(--qmf-space-5);
  font-size: var(--qmf-text-base);
  border-radius: var(--qmf-radius-2xl);
}

.qmf-btn--primary {
  background: var(--qmf-text-primary);
  color: var(--qmf-bg-primary);
}

.qmf-btn--primary:hover {
  opacity: 0.9;
}

.qmf-btn--outline {
  background: transparent;
  color: var(--qmf-text-primary);
  border-color: var(--qmf-border-color);
}

.qmf-btn--outline:hover {
  background: var(--qmf-bg-secondary);
}

.qmf-btn--ghost {
  background: transparent;
  color: var(--qmf-text-secondary);
}

.qmf-btn--ghost:hover {
  color: var(--qmf-text-primary);
  background: var(--qmf-bg-tertiary);
}

/* ─── Sections ────────────────────────────────── */

.lg-section {
  padding-block: var(--qmf-space-20);
}

.lg-section--tight {
  padding-block: var(--qmf-space-16);
}

.lg-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--qmf-space-2);
  margin: 0 0 var(--qmf-space-4);
  font-size: var(--qmf-text-xs);
  font-weight: var(--qmf-font-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--qmf-text-muted);
}

.lg-h2 {
  margin: 0 0 var(--qmf-space-3);
  font-family: var(--lg-font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: var(--qmf-font-bold);
  letter-spacing: -0.03em;
  line-height: var(--qmf-leading-tight);
}

.lg-lead {
  margin: 0;
  max-width: 36rem;
  font-size: var(--qmf-text-lg);
  color: var(--qmf-text-secondary);
}

.lg-section__head {
  margin-bottom: var(--qmf-space-10);
  text-align: center;
}

.lg-section__head .lg-lead {
  margin-inline: auto;
}

/* ─── Hero ────────────────────────────────────── */

.lg-hero {
  padding-block: var(--qmf-space-16) var(--qmf-space-12);
  text-align: center;
}

.lg-hero__title {
  margin: 0 0 var(--qmf-space-5);
  font-family: var(--lg-font-display);
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  font-weight: var(--qmf-font-bold);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.lg-hero__title span {
  display: block;
  color: var(--qmf-text-secondary);
  font-weight: var(--qmf-font-semibold);
}

.lg-hero__sub {
  margin: 0 auto var(--qmf-space-8);
  max-width: 38rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--qmf-text-secondary);
  line-height: var(--qmf-leading-relaxed);
}

.lg-hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--qmf-space-3);
  margin-bottom: var(--qmf-space-12);
}

.lg-inbox-stage {
  position: relative;
  width: min(100%, 28rem);
  margin-inline: auto;
  padding: var(--qmf-space-5);
  border: 1px solid var(--lg-hairline);
  border-radius: var(--qmf-radius-3xl);
  background: var(--lg-muted-fill);
  box-shadow: var(--qmf-shadow-lg);
  overflow: hidden;
  min-height: 17rem;
}

.lg-inbox-stage__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--qmf-space-4);
  font-size: var(--qmf-text-xs);
  font-weight: var(--qmf-font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--qmf-text-muted);
}

.lg-inbox-stage__feed {
  display: flex;
  flex-direction: column;
  gap: var(--qmf-space-2);
}

.lg-toast-card {
  display: flex;
  align-items: flex-start;
  gap: var(--qmf-space-3);
  padding: var(--qmf-space-3) var(--qmf-space-4);
  border-radius: var(--qmf-radius-xl);
  border: 1px solid var(--lg-hairline);
  background: var(--lg-elevated);
  box-shadow: var(--qmf-shadow-sm);
  opacity: 0;
  transform: translateY(12px);
  animation: lg-slide-in 560ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.lg-toast-card__icon {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1rem;
  color: var(--qmf-text-primary);
  flex-shrink: 0;
}

.lg-toast-card__body {
  min-width: 0;
  text-align: left;
}

.lg-toast-card__title {
  margin: 0;
  font-size: var(--qmf-text-sm);
  font-weight: var(--qmf-font-medium);
  color: var(--qmf-text-primary);
}

.lg-toast-card__meta {
  margin: var(--qmf-space-1) 0 0;
  font-size: var(--qmf-text-xs);
  color: var(--qmf-text-muted);
}

@keyframes lg-slide-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Features ────────────────────────────────── */

.lg-features {
  display: grid;
  gap: var(--qmf-space-4);
}

@media (min-width: 720px) {
  .lg-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .lg-features {
    grid-template-columns: repeat(4, 1fr);
  }
}

.lg-card {
  padding: var(--qmf-space-6);
  border: 1px solid var(--lg-hairline);
  border-radius: var(--qmf-radius-2xl);
  background: var(--qmf-bg-primary);
  box-shadow: var(--qmf-shadow-sm);
  transition: box-shadow var(--qmf-transition-normal), transform var(--qmf-transition-normal);
}

.lg-card:hover {
  box-shadow: var(--qmf-shadow-md);
  transform: translateY(-2px);
}

.lg-card__icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: var(--qmf-space-4);
  color: var(--qmf-text-primary);
}

.lg-card h3 {
  margin: 0 0 var(--qmf-space-2);
  font-family: var(--lg-font-display);
  font-size: var(--qmf-text-lg);
  font-weight: var(--qmf-font-semibold);
  letter-spacing: -0.02em;
}

.lg-card p {
  margin: 0;
  font-size: var(--qmf-text-sm);
  color: var(--qmf-text-secondary);
  line-height: var(--qmf-leading-relaxed);
}

/* ─── Timeline ────────────────────────────────── */

.lg-timeline-panel {
  max-width: 36rem;
  margin-inline: auto;
  border: 1px solid var(--lg-hairline);
  border-radius: var(--qmf-radius-3xl);
  background: var(--qmf-bg-secondary);
  box-shadow: var(--qmf-shadow-md);
  overflow: hidden;
}

.lg-timeline-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--qmf-space-4) var(--qmf-space-5);
  border-bottom: 1px solid var(--lg-hairline);
  background: var(--qmf-bg-primary);
}

.lg-timeline-panel__head strong {
  font-family: var(--lg-font-display);
  font-size: var(--qmf-text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lg-timeline-panel__head span {
  font-size: var(--qmf-text-xs);
  color: var(--qmf-text-muted);
}

.lg-timeline {
  list-style: none;
  margin: 0;
  padding: var(--qmf-space-2) 0;
}

.lg-timeline__item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--qmf-space-4);
  padding: var(--qmf-space-3) var(--qmf-space-5);
  border-bottom: 1px solid transparent;
}

.lg-timeline__item:not(:last-child) {
  border-bottom-color: var(--lg-hairline);
}

.lg-timeline__time {
  font-size: var(--qmf-text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--qmf-text-muted);
  padding-top: 0.15rem;
}

.lg-timeline__row {
  display: flex;
  align-items: flex-start;
  gap: var(--qmf-space-3);
}

.lg-timeline__icon {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.15rem;
  color: var(--qmf-text-secondary);
  flex-shrink: 0;
}

.lg-timeline__text {
  margin: 0;
  font-size: var(--qmf-text-sm);
  color: var(--qmf-text-primary);
}

/* ─── Ecosystem ───────────────────────────────── */

.lg-eco {
  position: relative;
  padding: var(--qmf-space-6) 0;
}

.lg-eco__svg {
  width: 100%;
  height: auto;
  color: var(--qmf-text-primary);
}

.lg-eco__hub {
  display: none;
}

.lg-eco__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--qmf-space-3);
}

@media (min-width: 640px) {
  .lg-eco__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .lg-eco__grid {
    display: none;
  }

  .lg-eco__hub {
    display: block;
  }
}

.lg-eco-chip {
  display: flex;
  flex-direction: column;
  gap: var(--qmf-space-1);
  padding: var(--qmf-space-4);
  border: 1px solid var(--lg-hairline);
  border-radius: var(--qmf-radius-xl);
  background: var(--qmf-bg-primary);
  text-align: center;
  box-shadow: var(--qmf-shadow-sm);
}

.lg-eco-chip strong {
  font-family: var(--lg-font-display);
  font-size: var(--qmf-text-sm);
  font-weight: var(--qmf-font-semibold);
}

.lg-eco-chip span {
  font-size: var(--qmf-text-xs);
  color: var(--qmf-text-muted);
}

.lg-eco-chip--hub {
  grid-column: 1 / -1;
  background: var(--qmf-text-primary);
  color: var(--qmf-bg-primary);
  border-color: transparent;
}

.lg-eco-chip--hub span {
  color: color-mix(in srgb, var(--qmf-bg-primary) 70%, transparent);
}

/* ─── Pipeline ────────────────────────────────── */

.lg-flow {
  width: 100%;
  overflow-x: auto;
  padding-bottom: var(--qmf-space-2);
}

.lg-flow svg {
  min-width: 40rem;
  margin-inline: auto;
}

/* ─── Developer ───────────────────────────────── */

.lg-dev {
  display: grid;
  gap: var(--qmf-space-8);
  align-items: center;
}

@media (min-width: 900px) {
  .lg-dev {
    grid-template-columns: 1fr 1.1fr;
  }
}

.lg-dev__copy .lg-lead {
  margin-bottom: var(--qmf-space-6);
}

.lg-code {
  margin: 0;
  padding: var(--qmf-space-6);
  border: 1px solid var(--lg-hairline);
  border-radius: var(--qmf-radius-2xl);
  background: var(--qmf-color-gray-950);
  color: var(--qmf-color-gray-100);
  box-shadow: var(--qmf-shadow-lg);
  overflow-x: auto;
  font-family: var(--qmf-font-mono);
  font-size: var(--qmf-text-sm);
  line-height: var(--qmf-leading-relaxed);
}

.lg-code .kw {
  color: var(--qmf-color-gray-400);
}

.lg-code .fn {
  color: var(--qmf-color-gray-100);
}

.lg-code .str {
  color: var(--qmf-color-gray-300);
}

/* ─── Footer ──────────────────────────────────── */

.lg-footer {
  border-top: 1px solid var(--lg-hairline);
  padding-block: var(--qmf-space-12) var(--qmf-space-10);
  background: var(--qmf-bg-secondary);
}

.lg-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--qmf-space-8);
}

@media (min-width: 720px) {
  .lg-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.lg-footer__brand {
  max-width: 20rem;
}

.lg-footer__brand .lg-brand {
  margin-bottom: var(--qmf-space-3);
}

.lg-footer__brand p {
  margin: 0;
  font-size: var(--qmf-text-sm);
  color: var(--qmf-text-secondary);
}

.lg-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qmf-space-2) var(--qmf-space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lg-footer__nav a {
  font-size: var(--qmf-text-sm);
  color: var(--qmf-text-secondary);
}

.lg-footer__nav a:hover {
  color: var(--qmf-text-primary);
}

.lg-footer__meta {
  margin-top: var(--qmf-space-8);
  padding-top: var(--qmf-space-6);
  border-top: 1px solid var(--lg-hairline);
  font-size: var(--qmf-text-xs);
  color: var(--qmf-text-muted);
}

/* ─── Reveal / motion ─────────────────────────── */

.lg-reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lg-reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

  .lg-toast-card,
  .lg-reveal,
  .lg-card:hover {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}