/* ============================================================
 * components.css — nav, footer, hero, stats-strip, card, button, swatch-block
 * Load order: main.css -> components.css -> rtl.css
 * Logical properties only. Touch targets use min-block-size (logical).
 * Mobile-first; breakpoints at 768px and 1024px.
 * NOTE: This file owns ALL nav rules (desktop + mobile hamburger).
 *       Plan 02-05 does NOT modify this file.
 * ============================================================ */

/* ============================================================
 * 1. NAV — sticky top bar
 * ============================================================ */

.nav {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--color-bg-alt);
  border-block-end: 1px solid var(--color-border);
  padding-block: var(--space-4);
}

.nav__row {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

/* ----- Logo (DESIGN-04 reserved slot + CSS-rendered text wordmark) ----- */
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-primary);
}

/* DESIGN-04 reserved <picture> slot for the future logo image file.
 * Today the markup carries the `hidden` HTML attribute on this element
 * (browser hides natively). When the logo file arrives, removing
 * `hidden` from the markup and populating the <picture> is sufficient. */
.nav__logo-img {
  display: inline-block;
  block-size: 2rem;
  max-block-size: 2.5rem;
  inline-size: auto;
}

/* CSS-rendered wordmark — shown today; gets `hidden` when the image lands. */
.nav__logo-text {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-h2);
  line-height: 1.1;
}

/* ----- Desktop nav links ----- */
.nav__links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  margin-inline-start: auto;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  padding-block: var(--space-2);
  padding-inline-start: var(--space-2);
  padding-inline-end: var(--space-2);
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
}

.nav__link:hover,
.nav__link:focus { color: var(--color-primary); }

/* ----- Language switcher ----- */
.nav__lang-wrap {
  display: inline-flex;
  align-items: center;
  margin-inline-start: var(--space-6);
}

.nav__lang {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  padding-block: var(--space-2);
  padding-inline-start: var(--space-3);
  padding-inline-end: var(--space-3);
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
}

.nav__lang:hover,
.nav__lang:focus { color: var(--color-primary); }

/* ----- Mobile hamburger toggle + dropdown panel ----- *
 * Mobile-first defaults (< 768px): hamburger visible, desktop links hidden,
 * panel collapsed. Panel opens via aria-expanded sibling selector (nav.js
 * flips aria-expanded; markup also toggles the `hidden` attribute).
 * Plan 02-05's nav.njk markup depends on these rules. */

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 44px;
  min-inline-size: 44px;
  font-size: 1.5rem;
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  margin-inline-start: auto;
}

.nav__toggle:hover,
.nav__toggle:focus { color: var(--color-primary); }

/* Hidden by default on mobile (until hamburger opens it) */
.nav__panel {
  display: none;
  background: var(--color-bg-alt);
  border-block-start: 1px solid var(--color-border);
}

.nav__panel-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-4);
  padding-inline-start: var(--container-pad-inline);
  padding-inline-end: var(--container-pad-inline);
  list-style: none;
}

.nav__panel-links .nav__link,
.nav__panel-links .nav__lang {
  display: flex;
  align-items: center;
  min-block-size: 44px;
}

/* Reveal panel when hamburger reports open (aria-expanded="true").
 * Sibling selectors cover both adjacent (+) and general-sibling (~) positions
 * so panel placement in markup is flexible. */
.nav__toggle[aria-expanded="true"] + .nav__panel,
.nav__toggle[aria-expanded="true"] ~ .nav__panel {
  display: block;
}

/* Mobile defaults: hide desktop link list + desktop lang switcher */
.nav__links { display: none; }
.nav__lang-wrap { display: none; }

/* Desktop layout: ≥768px — hide hamburger, show desktop links */
@media (min-width: 768px) {
  .nav__toggle { display: none; }
  /* Panel must never leak across breakpoints if hamburger was opened on mobile */
  .nav__panel { display: none !important; }
  .nav__links { display: flex; }
  .nav__lang-wrap { display: inline-flex; }
}

/* ============================================================
 * 2. FOOTER
 * ============================================================ */

.footer {
  background: var(--color-gray-100);
  padding-block: var(--space-7);
  border-block-start: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.footer__block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__heading {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  /* Intentionally NOT uppercased — Hebrew has no case, transforming would break rendering. */
}

.footer__line {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.footer__link {
  color: var(--color-gray-700);
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
}

.footer__link:hover,
.footer__link:focus { text-decoration: underline; }

.footer__navlist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
}

.footer__lang {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  color: var(--color-gray-700);
}

.footer__copyright {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  margin-block-start: var(--space-5);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
 * 3. HERO
 * ============================================================ */

.hero {
  padding-block: var(--space-7);
  text-align: center;
}

.hero__heading {
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

.hero__slogan {
  font-size: var(--font-size-h2);
  color: var(--color-text-muted);
  margin-block-start: var(--space-4);
  margin-block-end: var(--space-4);
}

.hero__cta-row {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-block-start: var(--space-5);
}

@media (min-width: 768px) {
  .hero { padding-block: var(--space-9); }
}

/* ============================================================
 * 4. STATS STRIP
 * ============================================================ */

.stats-strip {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-block: var(--space-5);
}

.stats-strip__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stats-strip__number {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
}

.stats-strip__label {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .stats-strip {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
  }

  /* Inline separator between items — logical property auto-flips for RTL */
  .stats-strip__item + .stats-strip__item {
    border-inline-start: 1px solid var(--color-border);
    padding-inline-start: var(--space-5);
    margin-inline-start: var(--space-5);
  }
}

/* ============================================================
 * 5. CARD + CARD GRID
 * ============================================================ */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding-block: var(--space-6);
  padding-inline-start: var(--space-6);
  padding-inline-end: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card__heading {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.card__body {
  color: var(--color-text);
}

@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
 * 6. BUTTON
 * ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 44px;
  padding-block: var(--space-3);
  padding-inline-start: var(--space-6);
  padding-inline-end: var(--space-6);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-body);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover,
.btn--primary:focus { background: var(--color-primary-hover); }

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--ghost:hover,
.btn--ghost:focus {
  background: var(--color-blue-100);
}

/* ============================================================
 * 7. SWATCH BLOCK — inline design alternates comparison
 *    (used in plan 02-06 skeleton bottom section)
 * ============================================================ */

.swatch-block {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding-block: var(--space-5);
  padding-inline-start: var(--space-5);
  padding-inline-end: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.swatch-block__title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.swatch-block__palette {
  display: flex;
  gap: var(--space-2);
}

.swatch-block__swatch {
  display: inline-block;
  inline-size: 1.5rem;
  block-size: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.swatch-block__demo {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.swatch-block__demo-heading {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
}

.swatch-block__description {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.swatch-block-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .swatch-block-grid { grid-template-columns: repeat(2, 1fr); }
}