/* =========================================================================
   IAAM marketing site
   Dark enterprise SaaS visual system, flat colors only, no gradients.

   Editing colors:
   - The full palette is defined as semantic CSS custom properties under
     :root. Update tokens there; do not hard-code colors elsewhere.
   - Brand tokens (--color-brand-*) are derived from the IAAM logo.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Design tokens
   ------------------------------------------------------------------------- */

:root {
  /* Surfaces */
  --color-bg-page: #07070f;
  --color-bg-surface: #0f0f1d;
  --color-bg-surface-elevated: #161629;
  --color-bg-surface-strong: #1c1c34;
  --color-bg-header: rgba(8, 8, 18, 0.78);
  --color-bg-overlay: rgba(8, 8, 18, 0.92);

  /* Text */
  --color-text-primary: #f3f5fb;
  --color-text-secondary: #b4bcd2;
  --color-text-muted: #7d869f;
  --color-text-inverse: #0a0a14;
  --color-bg-inverse: #ffffff;

  /* Borders */
  --color-border-subtle: #1f2138;
  --color-border-strong: #2e3150;
  --color-border-focus: #6b66d8;

  /* Brand (derived from the IAAM logo) */
  --color-brand-primary: #3730a3;
  --color-brand-primary-soft: #4f46c4;
  --color-brand-secondary: #8c3a87;
  --color-brand-contrast: #ffffff;

  /* Actions */
  --color-action-bg: var(--color-brand-primary);
  --color-action-bg-hover: #4540bd;
  --color-action-bg-active: #2e2891;
  --color-action-text: #ffffff;
  --color-action-ghost-bg: transparent;
  --color-action-ghost-bg-hover: rgba(255, 255, 255, 0.04);
  --color-action-ghost-border: var(--color-border-strong);

  /* Status */
  --color-status-positive: #4ade80;
  --color-status-warning: #facc15;
  --color-status-critical: #fb7185;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 880px;
  --space-section: clamp(4.5rem, 9vw, 8rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Shadows (flat / subtle, no glow) */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.02) inset,
    0 14px 40px -24px rgba(0, 0, 0, 0.7);
  --shadow-elevated: 0 1px 0 rgba(255, 255, 255, 0.03) inset,
    0 24px 60px -28px rgba(0, 0, 0, 0.75);

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-fast: 140ms var(--ease-out);
  --transition-base: 220ms var(--ease-out);
}

/* -------------------------------------------------------------------------
   2. Base / reset
   ------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background-color: var(--color-bg-page);
  color: var(--color-text-secondary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    "Inter", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-brand-primary-soft);
}

button {
  font: inherit;
  cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--color-text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Visually hidden helper */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  -webkit-clip-path: inset(50%);
  clip-path: inset(50%);
  border: 0;
}

/* Skip-to-content link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--color-bg-surface-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: top var(--transition-base);
}

.skip-link:focus-visible {
  top: 16px;
}

/* -------------------------------------------------------------------------
   3. Layout primitives
   ------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 40px;
  }
}

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

.section--surface {
  background-color: var(--color-bg-surface);
  border-block: 1px solid var(--color-border-subtle);
}

.section-header {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-header--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
  padding: 6px 12px;
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background-color: var(--color-brand-secondary);
  border-radius: 50%;
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  letter-spacing: -0.02em;
}

.section-lede {
  margin-top: 1rem;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   4. Buttons
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover,
  .btn:active {
    transform: none;
  }
}

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

.btn--primary:hover {
  background-color: var(--color-action-bg-hover);
  border-color: var(--color-action-bg-hover);
  color: var(--color-action-text);
}

.btn--primary:active {
  background-color: var(--color-action-bg-active);
}

.btn--ghost {
  background-color: var(--color-action-ghost-bg);
  color: var(--color-text-primary);
  border-color: var(--color-action-ghost-border);
}

.btn--ghost:hover {
  background-color: var(--color-action-ghost-bg-hover);
  border-color: var(--color-text-muted);
  color: var(--color-text-primary);
}

.btn--lg {
  padding: 14px 24px;
  font-size: 1rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 2px;
  transition: color var(--transition-fast),
    border-color var(--transition-fast);
}

.text-link:hover {
  color: var(--color-brand-primary-soft);
  border-bottom-color: var(--color-brand-primary-soft);
}

.text-link__arrow {
  transition: transform var(--transition-fast);
}

.text-link:hover .text-link__arrow {
  transform: translateX(3px);
}

@media (prefers-reduced-motion: reduce) {
  .text-link:hover .text-link__arrow {
    transform: none;
  }
}

/* -------------------------------------------------------------------------
   5. Header / navigation
   ------------------------------------------------------------------------- */

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

.site-header.is-scrolled {
  border-bottom-color: var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding-block: 14px;
}

.site-header__logo {
  height: 28px;
  width: auto;
}

.site-nav {
  display: none;
}

@media (min-width: 960px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
  }
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast),
    background-color var(--transition-fast);
}

.site-nav__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-action-ghost-bg-hover);
}

.site-header__cta {
  display: none;
}

@media (min-width: 960px) {
  .site-header__cta {
    display: inline-flex;
    margin-left: 16px;
  }
}

/* Mobile nav toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--color-action-ghost-bg-hover);
  border-color: var(--color-border-strong);
}

@media (min-width: 960px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-base),
    opacity var(--transition-fast);
}

.nav-toggle__icon {
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__icon::before {
  top: -6px;
}

.nav-toggle__icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav panel */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background-color: var(--color-bg-overlay);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border-subtle);
  z-index: 40;
  overflow-y: auto;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav__inner {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.mobile-nav__link:hover {
  background-color: var(--color-bg-surface-elevated);
  border-color: var(--color-border-subtle);
}

.mobile-nav__cta {
  margin-top: 16px;
}

.mobile-nav__cta .btn {
  width: 100%;
}

@media (min-width: 960px) {
  .mobile-nav,
  .mobile-nav.is-open {
    display: none;
  }
}

/* -------------------------------------------------------------------------
   6. Hero
   ------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--color-border-subtle);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}

@media (min-width: 960px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 64px;
  }
}

.hero__copy {
  max-width: 640px;
}

.hero__title {
  margin-top: 1.25rem;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--color-text-primary);
}

.hero__title-accent {
  color: var(--color-brand-secondary);
}

.hero__lede {
  margin-top: 1.5rem;
  font-size: clamp(1.0625rem, 1.4vw, 1.1875rem);
  line-height: 1.65;
  color: var(--color-text-secondary);
  max-width: 560px;
}

.hero__actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.hero__meta {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

/* Hero abstract visual */
.hero__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 540px;
  margin-inline: auto;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-elevated);
}

@media (min-width: 960px) {
  .hero__visual {
    aspect-ratio: 1 / 1.05;
    max-width: none;
    margin: 0;
  }
}

.hero__visual-inner {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-page);
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-xl) - 8px);
  overflow: hidden;
}

.hero__visual-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__visual-label {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.04em;
}

.hero__visual-label--tl {
  top: 16px;
  left: 16px;
}

.hero__visual-label--br {
  bottom: 16px;
  right: 16px;
}

.hero__visual-coords {
  color: var(--color-text-muted);
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-status-positive);
}

.status-dot--pulse {
  position: relative;
}

.status-dot--pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--color-status-positive);
  opacity: 0.6;
  animation: pulse 2.6s ease-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.85);
    opacity: 0.7;
  }
  70% {
    transform: scale(1.7);
    opacity: 0;
  }
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-dot--pulse::after {
    animation: none;
  }
}

/* -------------------------------------------------------------------------
   7. Cards (product / use cases)
   ------------------------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

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

@media (min-width: 1024px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-base),
    transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover {
    transform: none;
  }
}

.card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-bg-surface-strong);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface-strong);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-brand-primary-soft);
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.card__body {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Use cases */
.usecase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

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

@media (min-width: 1024px) {
  .usecase-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
  }

  /* Last item spans full width as the smaller "partners" block */
  .usecase-grid .usecase--wide {
    grid-column: 1 / -1;
  }
}

.usecase {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.usecase__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.usecase__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-brand-secondary);
}

.usecase__title {
  font-size: 1.125rem;
  color: var(--color-text-primary);
}

.usecase__body {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.usecase--wide {
  background-color: var(--color-bg-surface);
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: start;
}

@media (min-width: 720px) {
  .usecase--wide {
    grid-template-columns: minmax(180px, 240px) 1fr;
    gap: 32px;
    align-items: center;
  }
}

.usecase__wide-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* -------------------------------------------------------------------------
   8. About
   ------------------------------------------------------------------------- */

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

@media (min-width: 960px) {
  .about__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 64px;
  }
}

.about__copy p + p {
  margin-top: 1.25rem;
}

.about__points {
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about__point {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.about__point:last-child {
  border-bottom: 0;
}

.about__point-marker {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface-strong);
  border: 1px solid var(--color-border-subtle);
  border-radius: 999px;
  color: var(--color-text-muted);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.6875rem;
}

.about__point-text {
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
}

.about__point-sub {
  margin-top: 4px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 400;
}

/* -------------------------------------------------------------------------
   9. Contact
   The closing CTA gets a generous outer padding so the panel feels like
   a deliberate, considered handoff rather than another section block.
   ------------------------------------------------------------------------- */

.contact {
  padding-block: clamp(4rem, 8vw, 7rem);
  background-color: var(--color-bg-surface);
  border-block: 1px solid var(--color-border-subtle);
}

.contact__panel {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 4rem);
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-elevated);
}

@media (max-width: 480px) {
  .contact__panel {
    /* The CTA button + monospace email need to keep a comfortable
       reading width on phones, so pad horizontally less aggressively. */
    padding-inline: 1.25rem;
  }

  .contact__email {
    /* Allow the address to wrap if the viewport is extremely narrow. */
    word-break: break-all;
  }
}

.contact__title {
  font-size: clamp(1.625rem, 3vw, 2.125rem);
  letter-spacing: -0.02em;
}

.contact__lede {
  margin-top: 1rem;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.65;
}

.contact__actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.contact__email {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 2px;
  transition: color var(--transition-fast),
    border-color var(--transition-fast);
}

.contact__email:hover {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-text-muted);
}

.contact__note {
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* -------------------------------------------------------------------------
   10. Footer
   ------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--color-bg-page);
  border-top: 1px solid var(--color-border-subtle);
}

.site-footer__inner {
  padding-block: 48px 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 720px) {
  .site-footer__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
  }
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 360px;
}

.site-footer__logo {
  height: 26px;
  width: auto;
}

.site-footer__tagline {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 480px) {
  .site-footer__links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 28px;
    justify-content: flex-start;
  }
}

@media (min-width: 720px) {
  .site-footer__links {
    justify-content: flex-end;
  }
}

.site-footer__link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.site-footer__link:hover {
  color: var(--color-text-primary);
}

.site-footer__bottom {
  padding-block: 20px;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

@media (min-width: 720px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* -------------------------------------------------------------------------
   11. Legal page layout (privacy, terms)
   ------------------------------------------------------------------------- */

.legal {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.legal__inner {
  max-width: var(--container-narrow);
  margin-inline: auto;
}

.legal__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.legal__back:hover {
  color: var(--color-text-primary);
}

.legal__title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.025em;
}

.legal__updated {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.legal__content {
  margin-top: 2.5rem;
}

.legal__content h2 {
  margin-top: 2.5rem;
  font-size: 1.25rem;
  color: var(--color-text-primary);
}

.legal__content h2:first-child {
  margin-top: 0;
}

.legal__content p,
.legal__content ul {
  margin-top: 1rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.legal__content ul {
  padding-left: 1.25rem;
  list-style: disc;
}

.legal__content li {
  margin-top: 0.5rem;
}

.legal__content a {
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-strong);
}

.legal__content a:hover {
  color: var(--color-brand-primary-soft);
  border-bottom-color: var(--color-brand-primary-soft);
}

/* -------------------------------------------------------------------------
   12. Subtle entrance animation (fade-in once on scroll-into-view)
   ------------------------------------------------------------------------- */

.fade-in {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 600ms var(--ease-out),
    transform 600ms var(--ease-out);
  will-change: opacity, transform;
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* -------------------------------------------------------------------------
   13. Print
   ------------------------------------------------------------------------- */

@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }

  body {
    background: var(--color-bg-inverse);
    color: var(--color-text-inverse);
  }
}