/* ==========================================================================
   librera.app — site stylesheet
   Design: "Librera Site" (Claude Design project f391d4d9)
   Design system: librera-design-system-c87c098d

   Everything below is either (a) a transcription of a DS component's inline
   styles into a static class, or (b) the page composition from the design
   file. No colour, size, radius or duration is hard-coded that has a token.
   ========================================================================== */

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font: var(--type-body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-accent); text-decoration: none; }
a:hover { color: var(--blue-700); }
h1, h2, h3, p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}

/* Skip link -------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 60;
  padding: var(--space-2) var(--space-4);
  background: var(--surface-page);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font: var(--type-label);
}
.skip-link:focus { top: var(--space-4); }

/* Layout primitives ------------------------------------------------------ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

.eyebrow {
  font: var(--type-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Button — DS components/core/Button.jsx
   Pill button. Primary is the only blue-filled control on a page.
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 40px;                     /* size md */
  padding: 0 20px;
  font: var(--type-body-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-body);
  border-radius: var(--radius-pill);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-hover);
}
.btn:hover { text-decoration: none; }

.btn--lg { height: 52px; padding: 0 28px; font: var(--type-body-lg); font-weight: var(--weight-medium); }
.btn--sm { height: 32px; padding: 0 14px; }

.btn--primary   { background: var(--accent); color: #fff; border-color: transparent; }
.btn--primary:hover { background: var(--accent-hover); color: #fff; }

.btn--secondary { background: transparent; color: var(--text-accent); border-color: var(--accent); }
.btn--secondary:hover { background: var(--accent-quiet); color: var(--text-accent); }

.btn--neutral   { background: var(--text-primary); color: var(--surface-page); border-color: transparent; }
.btn--neutral:hover { background: var(--ink-700); color: var(--surface-page); }

.btn--ghost     { background: transparent; color: var(--text-primary); border-color: transparent; }
.btn--ghost:hover { background: var(--overlay-hover); color: var(--text-primary); }

/* The design passes `style={{ border: "1px solid var(--border-subtle)" }}`
   to the secondary/tertiary ghost buttons in the app rows. */
.btn--outlined { border-color: var(--border-subtle); }

.btn .icon { flex: 0 0 auto; }
.btn--lg .icon { width: 20px; height: 20px; }

/* ==========================================================================
   Icon — DS components/core/Icon.jsx
   The DS pulls Lucide glyphs from a CDN at runtime; the shipped site inlines
   the two it uses so there is no third-party request and no flash of no-icon.
   ========================================================================== */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}
.icon svg { display: block; width: 100%; height: 100%; }

/* ==========================================================================
   NavBar — DS components/navigation/NavBar.jsx
   48px translucent global bar. Sticky, blurred, hairline bottom.
   ========================================================================== */
.navbar-sticky { position: sticky; top: 0; z-index: 40; }

.navbar { position: relative; z-index: 40; }
.navbar__bar {
  height: var(--navbar-h);
  background: rgba(255, 255, 255, .78);
  backdrop-filter: var(--blur-chrome);
  -webkit-backdrop-filter: var(--blur-chrome);
  border-bottom: 1px solid var(--border-subtle);
}
.navbar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex: 0 0 auto;
}
.navbar__brand:hover { text-decoration: none; }
.navbar__brand img { border-radius: 5px; display: block; }
.navbar__brand span {
  font: var(--weight-semibold) 15px/1 var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.navbar__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-6);
  flex: 1;
  min-width: 0;
}
.navbar__items a {
  background: none;
  border: 0;
  padding: 0 0 1px;
  cursor: pointer;
  font: var(--weight-regular) var(--size-caption)/1 var(--font-sans);
  letter-spacing: var(--tracking-body);
  color: var(--text-secondary);
  opacity: .9;
  white-space: nowrap;
  transition: var(--transition-hover);
}
.navbar__items a:hover { color: var(--text-primary); opacity: 1; text-decoration: none; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background: var(--ink-950);
  color: var(--ink-000);
  padding-top: var(--space-24);
  overflow: hidden;
}
.hero .container { text-align: center; }
.hero__eyebrow { color: var(--blue-300); }
.hero__title {
  font: var(--type-display-1);
  letter-spacing: var(--tracking-display);
  margin-top: var(--space-3);
  max-width: 13ch;
  margin-left: auto;
  margin-right: auto;
  text-wrap: balance;
}
.hero__lede {
  font: var(--type-body-lg);
  color: var(--ink-300);
  max-width: 46ch;
  margin: var(--space-5) auto 0;
  text-wrap: pretty;
}
.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.hero__shot {
  display: flex;
  justify-content: center;
  margin-top: var(--space-20);
}

/* ==========================================================================
   Screenshots
   Shown as they are: natural aspect ratio, nothing cropped, no window frame.
   Capped in height so a tall phone screenshot cannot run away with the page,
   and never wider than its column.
   ========================================================================== */
.shot {
  display: flex;
  align-items: center;
  justify-content: center;
}
.shot img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(620px, 78vh);
  object-fit: contain;
}

/* Empty slot: a neutral panel holding the space until an image is dropped in. */
.shot__placeholder {
  flex: 1 1 auto;
  align-self: stretch;
  min-height: 260px;
  border-radius: var(--radius-md);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(11, 13, 16, .035) 0 12px,
      rgba(11, 13, 16, 0) 12px 24px
    ),
    var(--surface-sunken);
}
.shot img + .shot__placeholder { display: none; }

/* App icon tile ---------------------------------------------------------- */
.app-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-5);
  border-radius: 13px;
  overflow: hidden;
  background: var(--surface-sunken);
  border: 1px solid var(--border-subtle);
  position: relative;
  flex: 0 0 auto;
}
.app-icon img { width: 100%; height: 100%; object-fit: cover; display: block; position: relative; z-index: 1; }
.app-icon__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font: var(--type-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.app-icon--sm { width: 44px; height: 44px; margin-bottom: 0; border-radius: 10px; }

/* ==========================================================================
   App feature rows
   ========================================================================== */
.app-row { padding: var(--space-30) 0; scroll-margin-top: var(--navbar-h); }
.app-row--sunken {
  background: var(--surface-sunken);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.app-row .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-16);
}
.app-row--reverse .container { flex-direction: row-reverse; }

.app-row__copy { flex: 0 0 420px; max-width: 420px; }
.app-row__media { flex: 1; min-width: 0; }

.app-row__title {
  font: var(--type-display-4);
  letter-spacing: var(--tracking-display);
  margin-top: var(--space-3);
  text-wrap: balance;
}
.app-row__body {
  font: var(--type-body-lg);
  color: var(--text-secondary);
  margin-top: var(--space-4);
  max-width: 44ch;
  text-wrap: pretty;
}
.app-row__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ==========================================================================
   More apps grid
   ========================================================================== */
.more-apps {
  padding: var(--space-24) 0;
  background: var(--surface-sunken);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: var(--navbar-h);
}
.more-apps__title { font: var(--type-title-1); letter-spacing: var(--tracking-title); }
.more-apps__lede {
  font: var(--type-body);
  color: var(--text-secondary);
  margin-top: var(--space-2);
  max-width: 60ch;
}
.more-apps__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.app-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-page);
  overflow: hidden;
}
.app-card__shot { aspect-ratio: 16 / 10; background: #000; position: relative; }
.app-card__meta {
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.app-card__name { font: var(--type-title-3); letter-spacing: var(--tracking-title); }
.app-card__desc { font: var(--type-body-sm); color: var(--text-tertiary); margin-top: var(--space-1); }

/* ==========================================================================
   Privacy
   ========================================================================== */
.privacy { padding: var(--space-30) 0; scroll-margin-top: var(--navbar-h); }
.privacy .container { text-align: center; }
.privacy__title {
  font: var(--type-display-4);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}
.privacy__body {
  font: var(--type-body-lg);
  color: var(--text-secondary);
  margin-top: var(--space-5);
  text-wrap: pretty;
}
.privacy__note { font: var(--type-caption); color: var(--text-tertiary); margin-top: var(--space-6); }

/* ==========================================================================
   Footer — DS components/navigation/Footer.jsx
   Grey sunken footer: fine print, link columns, legal row.
   ========================================================================== */
.footer {
  background: var(--surface-sunken);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-12) 0 var(--space-10);
}
.footer__columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
}
.footer__col-title {
  font: var(--weight-semibold) var(--size-caption)/1.4 var(--font-sans);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
.footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__col a { font: var(--type-caption); color: var(--text-secondary); text-decoration: none; }
.footer__col a:hover { color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; }
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  padding-top: var(--space-4);
}
.footer__legal span { font: var(--type-caption); color: var(--text-tertiary); }
.footer__spacer { flex: 1; }
.footer__legal a { font: var(--type-caption); color: var(--text-tertiary); text-decoration: none; }
.footer__legal a:hover { color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Responsive
   The design is authored at desktop width; these rules carry it down.
   ========================================================================== */
@media (max-width: 1000px) {
  .app-row .container,
  .app-row--reverse .container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-10);
  }
  .app-row__copy { flex: 1 1 auto; max-width: none; }
  .app-row__body { max-width: none; }
  .app-row { padding: var(--space-20) 0; }
  .privacy { padding: var(--space-20) 0; }

  :root { --size-display-1: 60px; }
  }

@media (max-width: 760px) {
  :root { --size-display-1: 44px; --size-display-4: 30px; --gutter: 20px; }

  .hero { padding-top: var(--space-16); }
  .hero__shot { margin-top: var(--space-12); }
    .hero__actions .btn { flex: 1 1 auto; }

  .more-apps__grid { grid-template-columns: 1fr; }
  .footer__columns { grid-template-columns: 1fr 1fr; gap: var(--space-6); }

  /* The nav item list scrolls sideways rather than wrapping the 48px bar. */
  .navbar__items {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: var(--space-5);
  }
  .navbar__items::-webkit-scrollbar { display: none; }
  .navbar__inner { gap: var(--space-5); }
}

@media (max-width: 460px) {
  :root { --size-display-1: 36px; --size-body-lg: 17px; }
  .footer__columns { grid-template-columns: 1fr; }
  .app-row__actions .btn { flex: 1 1 100%; }
}