/**
 * FlipBloom hub — standalone style (not mixed with CalculatorFree page.css)
 * Matches YouTube flip-clock timer aesthetic.
 */
:root {
  --fb-bg: #fce7f3;
  --fb-bg-2: #fdf2f8;
  --fb-bg-deep: #fbcfe8;
  --fb-surface: #ffffff;
  --fb-digit: #9d174d;
  --fb-digit-dark: #831843;
  --fb-muted: #be185d;
  --fb-accent: #ec4899;
  --fb-accent-2: #db2777;
  --fb-shadow: #f9a8d4;
  --fb-border: rgba(249, 168, 212, 0.55);
  --fb-text: #500724;
  --fb-radius: 16px;
  --fb-font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --fb-mono: 'JetBrains Mono', 'Liberation Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body.fb-page {
  font-family: var(--fb-font);
  color: var(--fb-text);
  background: linear-gradient(165deg, var(--fb-bg-2) 0%, var(--fb-bg) 40%, #fff5f9 100%);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.fb-container {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* —— Top bar: FlipBloom + link back to main site —— */
.fb-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--fb-border);
}

.fb-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.fb-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--fb-digit);
}

.fb-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(145deg, #fff, var(--fb-bg));
  border: 1px solid var(--fb-border);
  display: grid;
  place-items: center;
  font-family: var(--fb-mono);
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--fb-digit);
  box-shadow: 0 3px 0 var(--fb-shadow);
  letter-spacing: -0.05em;
}

.fb-brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.fb-brand-tag {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fb-muted);
  opacity: 0.9;
}

.fb-topbar-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.fb-link-muted {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fb-muted);
  text-decoration: none;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
}

.fb-link-muted:hover {
  background: var(--fb-bg);
  color: var(--fb-digit);
}

.fb-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

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

.fb-btn-yt {
  background: #ff0000;
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 0, 0, 0.25);
}

.fb-btn-outline {
  background: var(--fb-surface);
  color: var(--fb-digit);
  border: 1px solid var(--fb-border);
}

.fb-btn-outline:hover {
  border-color: var(--fb-accent);
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.12);
}

/* —— Hero —— */
.fb-hero {
  text-align: center;
  padding: 2.5rem 0 2rem;
}

.fb-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fb-digit);
  margin-bottom: 0.5rem;
}

.fb-hero-lead {
  font-size: 1.05rem;
  color: var(--fb-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
}

/* Flip clock — matches YouTube video style */
.fb-clock-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.fb-clock {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fb-digit-group {
  display: flex;
  gap: 0.4rem;
}

.fb-digit {
  width: clamp(2.75rem, 8vw, 3.5rem);
  height: clamp(3.5rem, 10vw, 4.25rem);
  background: var(--fb-surface);
  border-radius: 12px;
  box-shadow: 0 5px 0 var(--fb-shadow), 0 12px 28px rgba(157, 23, 77, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fb-mono);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  color: var(--fb-digit);
  position: relative;
}

.fb-digit::after {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 1px;
  background: rgba(249, 168, 212, 0.7);
}

.fb-colon {
  color: var(--fb-accent-2);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  padding-bottom: 0.2rem;
  animation: fb-blink 1.2s step-end infinite;
}

@keyframes fb-blink {
  50% { opacity: 0.35; }
}

.fb-clock-caption {
  font-size: 0.8rem;
  color: var(--fb-muted);
  opacity: 0.85;
}

.fb-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 2rem;
}

.fb-hero-actions .fb-btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
}

/* —— Feature pills —— */
.fb-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.fb-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--fb-border);
  color: var(--fb-digit);
}

/* —— Sections —— */
.fb-section {
  padding: 0 0 2.5rem;
}

.fb-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fb-muted);
  margin-bottom: 1rem;
  text-align: center;
}

.fb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
}

.fb-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  padding: 1.15rem 1.25rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.fb-card:hover {
  box-shadow: 0 8px 28px rgba(236, 72, 153, 0.1);
  transform: translateY(-2px);
}

.fb-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--fb-digit);
  margin-bottom: 0.35rem;
}

.fb-card p {
  font-size: 0.85rem;
  color: var(--fb-muted);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.fb-card a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fb-accent-2);
  text-decoration: none;
}

.fb-card a:hover { text-decoration: underline; }

.fb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.fb-chip {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--fb-border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fb-digit);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.fb-chip:hover {
  background: var(--fb-bg);
  border-color: var(--fb-accent);
}

.fb-note {
  max-width: 640px;
  margin: 2rem auto 0;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 12px;
  border-left: 4px solid var(--fb-accent);
  font-size: 0.9rem;
  color: var(--fb-muted);
  line-height: 1.65;
}

.fb-note strong { color: var(--fb-digit); }
.fb-note a { color: var(--fb-accent-2); font-weight: 600; }

/* —— Footer —— */
.fb-footer {
  border-top: 1px solid var(--fb-border);
  padding: 1.75rem 0 2rem;
  margin-top: 1rem;
  text-align: center;
}

.fb-footer p {
  font-size: 0.8rem;
  color: var(--fb-muted);
}

.fb-footer a {
  color: var(--fb-accent-2);
  font-weight: 600;
  text-decoration: none;
}

.fb-footer a:hover { text-decoration: underline; }

.fb-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}

@media (max-width: 600px) {
  .fb-brand-tag { display: none; }
  .fb-topbar-links .fb-link-muted { display: none; }
}