/* ==========================================================================
   BizBuilder — Business Directory
   Pure CSS3 | Fixed-size wireframe grid layout
   ========================================================================== */

/* --- Design tokens --- */
:root {
  --color-primary: #1e3a5f;
  --color-accent: #2ca58d;
  --color-accent-alt: #e8843b;
  --color-bg: #f4f6f8;
  --color-white: #ffffff;
  --color-text: #1a2332;
  --color-text-muted: #64748b;
  --color-border: #dde3ea;
  --color-btn-bg: #eef1f5;

  /* Fixed dimensions — CRITICAL: never auto-size */
  --category-width: 280px;
  --category-height: 340px;
  --btn-width: 110px;
  --btn-height: 60px;
  --btn-gap: 16px;

  --radius-category: 12px;
  --radius-btn: 8px;
  --header-height: 68px;
  --bottom-bar-height: 72px;

  --font: "Inter", system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.4;
  min-height: 100vh;
  padding-bottom: var(--bottom-bar-height);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

.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;
}

/* ==========================================================================
   Sticky Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 6px rgba(30, 58, 95, 0.06);
}

.header-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.logo-mark {
  color: var(--color-accent);
  font-size: 1rem;
}

.logo-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Search bar in header */
.header-search {
  position: relative;
  width: 100%;
  max-width: 320px;
  flex-shrink: 1;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 40px;
  padding: 0 2.25rem 0 2.25rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(44, 165, 141, 0.15);
  background: var(--color-white);
}

.clear-search {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  border-radius: 50%;
  transition: background var(--transition);
}

.clear-search:hover {
  background: var(--color-border);
}

/* ==========================================================================
   Page Intro
   ========================================================================== */
.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.page-intro {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-title {
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.search-status {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  min-height: 1.2rem;
}

/* ==========================================================================
   Category Grid — responsive columns, fixed card sizes
   ========================================================================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, var(--category-width));
  justify-content: center;
  gap: 1.5rem;
}

/* ==========================================================================
   Category Box (outer) — FIXED 280 × 340
   ========================================================================== */
.category-card {
  width: var(--category-width);
  height: var(--category-height);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-category);
  box-shadow: 0 2px 10px rgba(30, 58, 95, 0.07);
  padding: 14px 12px 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;

  /* Scroll fade-in animation (applied by JS) */
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease, box-shadow var(--transition);
}

.category-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.category-card.is-hidden {
  display: none;
}

.category-card:hover {
  box-shadow: 0 4px 18px rgba(30, 58, 95, 0.1);
}

/* Category title row */
.category-header {
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 10px;
  text-align: center;
}

.category-icon {
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.category-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  text-align: center;
  word-wrap: break-word;
}

/* ==========================================================================
   Business-Type Buttons (inner) — FIXED 110 × 60, uniform 2-col grid
   ========================================================================== */
.business-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, var(--btn-width));
  gap: var(--btn-gap);
  justify-content: center;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  /* Hide scrollbar but keep scroll for categories with many items */
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.business-btn {
  /* FIXED size — never grows or shrinks */
  width: var(--btn-width);
  height: var(--btn-height);
  min-width: var(--btn-width);
  min-height: var(--btn-height);
  max-width: var(--btn-width);
  max-height: var(--btn-height);

  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;

  padding: 4px 6px;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-primary);
  background: var(--color-btn-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  position: relative;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    opacity var(--transition);
}

.business-btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(44, 165, 141, 0.3);
  z-index: 1;
}

.business-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selected state — accent fill + checkmark */
.business-btn.is-selected {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(44, 165, 141, 0.35);
  transform: none;
}

.business-btn.is-selected::after {
  content: "✓";
  position: absolute;
  top: 3px;
  right: 5px;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
}

.business-btn.is-selected:hover {
  background: var(--color-accent);
  transform: scale(1.05);
}

/* Search filter — hide non-matching buttons */
.business-btn.is-filtered-out {
  display: none;
}

/* No results */
.no-results {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Fixed Bottom Bar
   ========================================================================== */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  height: var(--bottom-bar-height);
  background: var(--color-white);
  border-top: 2px solid var(--color-accent);
  box-shadow: 0 -4px 20px rgba(30, 58, 95, 0.12);

  /* Hidden by default — slides up via transform */
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.bottom-bar.is-visible {
  transform: translateY(0);
}

.bottom-bar-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.bottom-bar-text {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: 600;
  color: var(--color-primary);
}

.btn-continue {
  flex-shrink: 0;
  height: 42px;
  padding: 0 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-accent);
  border-radius: 8px;
  transition: background var(--transition), transform var(--transition);
}

.btn-continue:hover {
  background: #248f7a;
  transform: scale(1.03);
}

.btn-continue:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==========================================================================
   Contact Us
   ========================================================================== */
.contact-section {
  margin-top: 3rem;
  padding-top: 1rem;
}

.contact-card {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-category);
  box-shadow: 0 8px 28px rgba(30, 58, 95, 0.08);
}

.contact-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.contact-title {
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.contact-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.contact-wa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 50px;
  padding: 0.75rem 1.5rem;
  background: #25d366;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.contact-wa-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.contact-wa-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

.contact-phone {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.contact-phone:hover {
  color: var(--color-accent);
}

/* Floating WhatsApp button */
.whatsapp-float {
  position: fixed;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  right: max(1.25rem, env(safe-area-inset-right));
  z-index: 400;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
}

body:has(.bottom-bar.is-visible) .whatsapp-float {
  bottom: calc(var(--bottom-bar-height) + 1rem);
}

/* ==========================================================================
   Guides & Resources
   ========================================================================== */
.guides-section {
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.guides-title {
  text-align: center;
  font-size: clamp(1.3rem, 3.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.guides-title em {
  font-style: italic;
  color: var(--color-accent);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.guide-card {
  display: block;
  padding: 1.5rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-category);
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  color: inherit;
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(44, 165, 141, 0.15);
  border-color: var(--color-accent);
  color: inherit;
}

.guide-icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: 0.75rem;
}

.guide-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.45rem;
  line-height: 1.3;
}

.guide-card h3 em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 600;
}

.guide-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   Responsive — MUST stay after base component styles
   ========================================================================== */

/* Tablet: 2 category cards per row */
@media (max-width: 1199px) {
  .category-grid {
    grid-template-columns: repeat(2, var(--category-width));
  }
}

/* Phone: full-width cards + flexible buttons */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .site-header {
    height: auto;
  }

  .header-search {
    max-width: 100%;
    order: 3;
    flex-basis: 100%;
  }

  .main-content {
    padding: 1.75rem 1rem 2.5rem;
  }

  .page-intro {
    margin-bottom: 1.75rem;
  }

  .category-grid {
    grid-template-columns: 1fr;
    justify-items: stretch;
    gap: 1.25rem;
    width: 100%;
  }

  .category-card {
    width: 100%;
    max-width: none;
    height: auto;
    min-height: 0;
    padding: 14px 12px 12px;
    overflow: visible;
  }

  .category-header {
    height: auto;
    min-height: 44px;
    padding: 0 4px;
  }

  .category-title {
    font-size: 0.9rem;
  }

  .business-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    width: 100%;
    overflow: visible;
    gap: 10px;
  }

  .business-btn {
    width: 100%;
    min-width: 0;
    max-width: none;
    height: auto;
    min-height: 52px;
    max-height: none;
    padding: 10px 8px;
    font-size: 0.74rem;
    line-height: 1.3;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .business-btn:hover,
  .business-btn.is-selected:hover {
    transform: none;
  }

  .bottom-bar {
    height: auto;
    min-height: var(--bottom-bar-height);
  }

  .bottom-bar-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
  }

  .btn-continue {
    width: 100%;
  }

  .site-header,
  .bottom-bar {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

@media (max-width: 420px) {
  .business-grid {
    grid-template-columns: 1fr;
  }

  .business-btn {
    min-height: 48px;
    font-size: 0.8rem;
    padding: 12px 14px;
  }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .category-card {
    opacity: 1;
    transform: none;
  }

  .bottom-bar {
    transition: none;
  }
}