/* =============================================================
   Sera Theme — Camp Fire Academy
   Soft-tone design system inspired by seraui.com
   Loaded after bootstrap + custom.css; intentionally overrides both.
   ============================================================= */

:root,
[data-bs-theme="light"] {
  /* Surfaces — soft, warm off-whites */
  --sera-bg:            #fafafa;
  --sera-bg-subtle:     #f6f6f7;
  --sera-surface:       #ffffff;
  --sera-surface-muted: #f4f4f5;

  /* Ink */
  --sera-fg:            #27272a;
  --sera-fg-strong:     #18181b;
  --sera-fg-muted:      #71717a;
  --sera-fg-faint:      #a1a1aa;

  /* Lines */
  --sera-border:        #e4e4e7;
  --sera-border-soft:   rgba(228, 228, 231, 0.7);
  --sera-ring:          rgba(109, 92, 246, 0.16);

  /* Accent — softened from the original brand indigo */
  --sera-accent:        #6d5cf6;
  --sera-accent-deep:   #5b46e5;
  --sera-accent-soft:   #eef0ff;

  /* The "Beautiful" gradient */
  --sera-grad: linear-gradient(90deg, #2563eb 0%, #7c3aed 45%, #db2777 100%);

  /* Pastel card tints */
  --tint-cream:   #fefcf0;  --tint-cream-line:   #f2ecd4;
  --tint-lav:     #f4f3ff;  --tint-lav-line:     #e6e3fb;
  --tint-mint:    #f0fdf6;  --tint-mint-line:    #d9f5e6;
  --tint-rose:    #fff3f4;  --tint-rose-line:    #fbdfe2;
  --tint-sky:     #eff7ff;  --tint-sky-line:     #dcecfd;
  --tint-peach:   #fff6ee;  --tint-peach-line:   #fae3d0;

  --sera-radius:   14px;
  --sera-radius-sm: 10px;
  --sera-shadow:   0 1px 2px rgba(24, 24, 27, 0.04);
  --sera-shadow-md: 0 4px 24px -8px rgba(24, 24, 27, 0.10);

  /* Bootstrap bridge */
  --bs-body-bg: var(--sera-bg);
  --bs-body-color: var(--sera-fg);
  --bs-border-color: var(--sera-border);
  --bs-primary: var(--sera-accent);
  --bs-link-color: var(--sera-accent-deep);
  --bs-link-hover-color: var(--sera-accent);
  --bs-emphasis-color: var(--sera-fg-strong);
}

/* ---------- Base ---------- */

html { scroll-behavior: smooth; }

body {
  background-color: var(--sera-bg);
  color: var(--sera-fg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.011em;
}

main { padding-top: 56px; }

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--sera-fg-strong);
  font-weight: 700;
  letter-spacing: -0.028em;
}

p { color: var(--sera-fg); }

.text-muted,
.text-body-secondary { color: var(--sera-fg-muted) !important; }

a { text-decoration-thickness: 1px; text-underline-offset: 3px; }

hr { border-color: var(--sera-border); opacity: 1; }

::selection { background: var(--sera-ring); color: var(--sera-fg-strong); }

/* Utility: the gradient "Beautiful" word */
.sera-grad-text {
  background: var(--sera-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-right: 0.06em;
}

/* Utility: eyebrow label */
.sera-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--sera-fg-faint);
}

/* Soft pill badge */
.sera-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--sera-fg-muted);
  background: color-mix(in srgb, var(--sera-surface) 70%, transparent);
  border: 1px solid var(--sera-border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  box-shadow: var(--sera-shadow);
}

/* =============================================================
   Header — seraui.com/docs/search style
   ============================================================= */

.sera-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  height: 56px;
  background: color-mix(in srgb, var(--sera-bg) 72%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sera-border);
}

.sera-header__inner {
  max-width: 1536px;
  height: 56px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 768px) {
  .sera-header__inner { padding: 0 1.5rem; }
}

/* Brand */
.sera-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  flex-shrink: 0;
}

.sera-brand__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--sera-fg-strong);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

/* Primary nav */
.sera-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: 0.5rem;
}

.sera-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--sera-fg-muted);
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.sera-nav__link:hover {
  color: var(--sera-fg-strong);
  background: var(--sera-surface-muted);
}

.sera-nav__link.is-active { color: var(--sera-fg-strong); font-weight: 600; }

.sera-nav__link svg { width: 15px; height: 15px; opacity: 0.75; }

/* Dropdown */
.sera-drop { position: relative; }

.sera-drop__panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 268px;
  padding: 0.4rem;
  background: var(--sera-surface);
  border: 1px solid var(--sera-border);
  border-radius: 12px;
  box-shadow: var(--sera-shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}

.sera-drop:hover .sera-drop__panel,
.sera-drop:focus-within .sera-drop__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sera-drop__item {
  display: block;
  padding: 0.5rem 0.65rem;
  font-size: 0.8438rem;
  font-weight: 500;
  color: var(--sera-fg-muted);
  border-radius: 8px;
  text-decoration: none;
  line-height: 1.35;
}

.sera-drop__item:hover { background: var(--sera-surface-muted); color: var(--sera-fg-strong); }

.sera-drop__label {
  padding: 0.5rem 0.65rem 0.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sera-fg-faint);
}

/* Right cluster */
.sera-header__right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Search trigger — the signature Sera control */
.sera-search-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 280px;
  height: 36px;
  padding: 0 0.75rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--sera-surface-muted) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--sera-border) 70%, transparent);
  color: var(--sera-fg-muted);
  font-size: 0.875rem;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.sera-search-btn:hover { background: var(--sera-surface-muted); border-color: var(--sera-border); }

.sera-search-btn__label { display: flex; align-items: center; gap: 0.5rem; }

.sera-search-btn svg { width: 15px; height: 15px; opacity: 0.8; }

.sera-kbd {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.6875rem;
  color: var(--sera-fg-faint);
}

.sera-kbd kbd {
  padding: 0.1rem 0.32rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6875rem;
  color: var(--sera-fg-muted);
  background: var(--sera-surface);
  border: 1px solid var(--sera-border);
  border-radius: 5px;
  box-shadow: 0 1px 0 var(--sera-border);
}

/* Round icon buttons */
.sera-icon-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--sera-surface-muted);
  color: var(--sera-fg-muted);
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
  flex-shrink: 0;
  text-decoration: none;
}

.sera-icon-btn:hover {
  background: var(--sera-border);
  color: var(--sera-fg-strong);
}

.sera-icon-btn:active { transform: scale(0.94); }

.sera-icon-btn svg { width: 16px; height: 16px; }

.sera-icon-btn--wa { color: #16a34a; }
.sera-icon-btn--wa:hover { background: #dcfce7; color: #15803d; }

/* Mobile */
.sera-burger { display: none; }

@media (max-width: 1199.98px) {
  .sera-search-btn { width: 200px; }
}

@media (max-width: 991.98px) {
  .sera-nav { display: none; }
  .sera-search-btn { width: 36px; padding: 0; justify-content: center; }
  .sera-search-btn__label span,
  .sera-search-btn .sera-kbd { display: none; }
  .sera-burger { display: grid; }
}

/* Mobile drawer */
.sera-drawer {
  position: fixed;
  inset: 56px 0 0 0;
  z-index: 1029;
  background: var(--sera-bg);
  padding: 1rem 1.25rem 3rem;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.sera-drawer.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

.sera-drawer a {
  display: block;
  padding: 0.7rem 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--sera-fg);
  text-decoration: none;
  border-bottom: 1px solid var(--sera-border-soft);
}

.sera-drawer .sera-drawer__label {
  padding: 1.25rem 0.5rem 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sera-fg-faint);
  border: 0;
}

/* =============================================================
   Command palette (⌘K)
   ============================================================= */

.sera-cmdk {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  padding: 12vh 1rem 1rem;
  background: color-mix(in srgb, #09090b 40%, transparent);
  backdrop-filter: blur(4px);
}

.sera-cmdk.is-open { display: block; }

.sera-cmdk__box {
  max-width: 620px;
  margin: 0 auto;
  background: var(--sera-surface);
  border: 1px solid var(--sera-border);
  border-radius: 16px;
  box-shadow: 0 24px 64px -16px rgba(9, 9, 11, 0.35);
  overflow: hidden;
  animation: seraPop 0.16s ease-out;
}

@keyframes seraPop {
  from { opacity: 0; transform: translateY(-6px) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

.sera-cmdk__head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--sera-border);
}

.sera-cmdk__head svg { width: 17px; height: 17px; color: var(--sera-fg-faint); flex-shrink: 0; }

.sera-cmdk__input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--sera-fg-strong);
  font-size: 0.95rem;
}

.sera-cmdk__input::placeholder { color: var(--sera-fg-faint); }

.sera-cmdk__list { max-height: min(52vh, 420px); overflow-y: auto; padding: 0.4rem; }

.sera-cmdk__group {
  padding: 0.6rem 0.7rem 0.3rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sera-fg-faint);
}

.sera-cmdk__item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.7rem;
  border-radius: 9px;
  color: var(--sera-fg);
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
}

.sera-cmdk__item:hover,
.sera-cmdk__item.is-active { background: var(--sera-surface-muted); color: var(--sera-fg-strong); }

.sera-cmdk__item svg { width: 15px; height: 15px; color: var(--sera-fg-faint); flex-shrink: 0; }

.sera-cmdk__item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sera-cmdk__foot {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--sera-border);
  background: var(--sera-bg-subtle);
  font-size: 0.75rem;
  color: var(--sera-fg-faint);
}

.sera-cmdk__empty { padding: 1.75rem 1rem; text-align: center; color: var(--sera-fg-faint); font-size: 0.875rem; }

/* =============================================================
   Hero
   ============================================================= */

.sera-hero {
  position: relative;
  overflow: hidden;
  padding: 5.5rem 0 4.5rem;
  border-bottom: 1px solid var(--sera-border);
  background: var(--sera-bg);
}

/* Faint engineering grid, exactly the Sera feel */
.sera-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--sera-border-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--sera-border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 40%, transparent 100%);
  pointer-events: none;
}

/* Soft rose/violet aurora bloom */
.sera-hero::after {
  content: "";
  position: absolute;
  top: -220px;
  left: 50%;
  width: 900px;
  height: 420px;
  transform: translateX(-50%);
  background:
    radial-gradient(closest-side, rgba(244, 114, 182, 0.30), transparent 70%) 20% 50% / 55% 100% no-repeat,
    radial-gradient(closest-side, rgba(124, 92, 252, 0.26), transparent 70%) 65% 40% / 55% 100% no-repeat;
  filter: blur(28px);
  pointer-events: none;
}


.sera-hero__inner { position: relative; z-index: 1; }

.sera-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin: 1.5rem 0 0;
}

.sera-hero__lead {
  max-width: 680px;
  margin: 1.35rem auto 0;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--sera-fg-muted);
}

/* An eyebrow sitting above the hero headline needs room beneath it */
.sera-hero .sera-eyebrow {
  display: block;
  margin-bottom: 0.35rem;
}

.sera-hero .sera-eyebrow + h1 { margin-top: 0.5rem; }

.sera-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2.25rem;
}

/* Trust strip under hero */
.sera-trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--sera-border);
}

.sera-trust img { height: 64px; width: auto; object-fit: contain; }

.sera-trust p { margin: 0; font-size: 0.875rem; color: var(--sera-fg-muted); }

/* =============================================================
   Buttons
   ============================================================= */

.sera-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 44px;
  padding: 0 1.35rem;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.12s ease;
  cursor: pointer;
}

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

.sera-btn svg { width: 16px; height: 16px; }

.sera-btn--solid {
  background: #18181b;
  color: #fafafa;
  box-shadow: var(--sera-shadow-md);
}

.sera-btn--solid:hover { background: #27272a; color: #fff; }


.sera-btn--ghost {
  background: var(--sera-surface);
  color: var(--sera-fg-strong);
  border-color: var(--sera-border);
  box-shadow: var(--sera-shadow);
}

.sera-btn--ghost:hover { background: var(--sera-surface-muted); border-color: var(--sera-fg-faint); }

.sera-btn--sm { height: 38px; padding: 0 1rem; font-size: 0.875rem; }

/* Plain text call to action, no button chrome */
.sera-textlink {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--sera-fg-strong);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--sera-border);
  transition: border-color 0.15s ease, gap 0.15s ease;
}

.sera-textlink:hover { color: var(--sera-fg-strong); border-bottom-color: var(--sera-fg-strong); gap: 0.6rem; }

.sera-textlink svg { width: 15px; height: 15px; }

/* Bootstrap button bridge — used across the inner course pages */
.btn-primary,
.btn-bd-primary {
  --bs-btn-bg: var(--sera-accent);
  --bs-btn-border-color: var(--sera-accent);
  --bs-btn-hover-bg: var(--sera-accent-deep);
  --bs-btn-hover-border-color: var(--sera-accent-deep);
  --bs-btn-active-bg: var(--sera-accent-deep);
  --bs-btn-active-border-color: var(--sera-accent-deep);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-font-weight: 600;
  border-radius: 10px;
  box-shadow: var(--sera-shadow);
}

.btn-outline-primary {
  --bs-btn-color: var(--sera-fg-strong);
  --bs-btn-border-color: var(--sera-border);
  --bs-btn-bg: var(--sera-surface);
  --bs-btn-hover-color: var(--sera-fg-strong);
  --bs-btn-hover-bg: var(--sera-surface-muted);
  --bs-btn-hover-border-color: var(--sera-fg-faint);
  --bs-btn-active-color: var(--sera-fg-strong);
  --bs-btn-active-bg: var(--sera-surface-muted);
  --bs-btn-active-border-color: var(--sera-fg-faint);
  color: var(--sera-fg-strong);
  border-color: var(--sera-border);
  background: var(--sera-surface);
  font-weight: 600;
  border-radius: 10px;
  box-shadow: var(--sera-shadow);
}

.btn-outline-primary:hover {
  color: var(--sera-fg-strong);
  background: var(--sera-surface-muted);
  border-color: var(--sera-fg-faint);
}

.btn-dark {
  --bs-btn-bg: #18181b;
  --bs-btn-border-color: #18181b;
  --bs-btn-hover-bg: #27272a;
  --bs-btn-hover-border-color: #27272a;
  border-radius: 10px;
}

.btn-lg { border-radius: 12px; }

/* =============================================================
   Cards & sections
   ============================================================= */

.sera-section { padding: 5rem 0; }

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

.sera-section__head { max-width: 680px; margin-bottom: 3rem; }

.sera-section__head h2 {
  font-size: clamp(1.85rem, 3.6vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin: 0.75rem 0 0;
}

.sera-section__head p {
  margin: 0.9rem 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--sera-fg-muted);
}

.sera-section__head--center { margin-inline: auto; text-align: center; }

/* Tinted feature card */
.sera-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.75rem;
  background: var(--sera-surface);
  border: 1px solid var(--sera-border);
  border-radius: var(--sera-radius);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  text-decoration: none;
}

.sera-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sera-shadow-md);
}

.sera-card__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  margin-bottom: 1.15rem;
  background: color-mix(in srgb, var(--sera-surface) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--sera-fg-strong) 8%, transparent);
  color: var(--sera-fg-strong);
}

.sera-card__icon svg { width: 20px; height: 20px; stroke-width: 1.6; }

.sera-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.45rem;
  color: var(--sera-fg-strong);
}

.sera-card__kicker {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--sera-accent-deep);
  margin: 0 0 0.7rem;
}

.sera-card p {
  font-size: 0.9063rem;
  line-height: 1.65;
  color: var(--sera-fg-muted);
  margin: 0;
}

.sera-card__body { flex: 1 1 auto; }

.sera-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sera-fg-strong);
  text-decoration: none;
}

.sera-card__cta svg { width: 14px; height: 14px; transition: transform 0.15s ease; }

.sera-card:hover .sera-card__cta svg { transform: translateX(3px); }

/* Pastel variants */
.tint-cream { background: var(--tint-cream); border-color: var(--tint-cream-line); }
.tint-lav   { background: var(--tint-lav);   border-color: var(--tint-lav-line); }
.tint-mint  { background: var(--tint-mint);  border-color: var(--tint-mint-line); }
.tint-rose  { background: var(--tint-rose);  border-color: var(--tint-rose-line); }
.tint-sky   { background: var(--tint-sky);   border-color: var(--tint-sky-line); }
.tint-peach { background: var(--tint-peach); border-color: var(--tint-peach-line); }

/* Stat row */
.sera-stat {
  padding: 1.5rem 0;
}

.sera-stat__n {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--sera-fg-strong);
  line-height: 1;
}

.sera-stat__l {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--sera-fg-muted);
}

/* =============================================================
   Bootstrap component skins (inner pages inherit these)
   ============================================================= */

/* Generic bordered boxes used on course pages */
.bg-body-tertiary {
  background-color: var(--sera-surface) !important;
  border-color: var(--sera-border) !important;
}

.bg-light { background-color: var(--sera-bg-subtle) !important; }
.bg-white { background-color: var(--sera-surface) !important; }


.border { border-color: var(--sera-border) !important; }

.rounded-3 { border-radius: var(--sera-radius) !important; }

.shadow, .shadow-sm { box-shadow: var(--sera-shadow-md) !important; }

.card {
  --bs-card-bg: var(--sera-surface);
  --bs-card-border-color: var(--sera-border);
  border-radius: var(--sera-radius);
}

/* Accordion — Sera "retro" geometry (square, hard 2px rule, offset shadow)
   carrying this site's palette instead of the component's neon green. */
.accordion {
  --bs-accordion-bg: var(--sera-surface);
  --bs-accordion-color: var(--sera-fg);
  --bs-accordion-border-color: var(--sera-fg-strong);
  --bs-accordion-border-width: 2px;
  --bs-accordion-btn-color: var(--sera-fg-strong);
  --bs-accordion-active-color: var(--sera-fg-strong);
  --bs-accordion-active-bg: var(--tint-lav);
  --bs-accordion-btn-focus-box-shadow: none;
  --bs-accordion-border-radius: 0;
  --bs-accordion-inner-border-radius: 0;
  overflow: visible;
}

.accordion-item {
  margin-bottom: 1.15rem;
  background: var(--sera-surface);
  border: 2px solid var(--sera-fg-strong);
  border-radius: 0 !important;
  box-shadow: 4px 4px 0 0 var(--sera-fg-strong);
  overflow: visible;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.accordion-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--sera-fg-strong);
}

.accordion-item:not(:first-of-type) { border-top: 2px solid var(--sera-fg-strong); }

.accordion-item:last-child { margin-bottom: 0; }

.accordion-button {
  background: var(--tint-lav);
  color: var(--sera-fg-strong);
  font-weight: 700;
  font-size: 1.0313rem;
  letter-spacing: -0.018em;
  padding: 1rem 1.15rem;
  border-radius: 0 !important;
  box-shadow: none;
  transition: background-color 0.15s ease;
}

.accordion-button:hover { background: var(--tint-lav-line); }

.accordion-button:not(.collapsed) {
  background: var(--tint-lav);
  color: var(--sera-fg-strong);
  box-shadow: none;
  border-bottom: 2px solid var(--sera-fg-strong);
}

.accordion-button:focus-visible {
  outline: 2px solid var(--sera-accent);
  outline-offset: 2px;
}

.accordion-body {
  background: var(--sera-surface);
  padding: 1.15rem;
}

@media (prefers-reduced-motion: reduce) {
  .accordion-item:hover { transform: none; box-shadow: 4px 4px 0 0 var(--sera-fg-strong); }
}

.accordion-body { color: var(--sera-fg-muted); font-size: 0.9375rem; line-height: 1.7; }

/* Forms */
.form-control, .form-select {
  background: var(--sera-surface);
  border: 1px solid var(--sera-border);
  border-radius: 10px;
  color: var(--sera-fg-strong);
  font-size: 0.9375rem;
  padding: 0.65rem 0.9rem;
}

.form-control::placeholder { color: var(--sera-fg-faint); }

.form-control:focus, .form-select:focus {
  background: var(--sera-surface);
  border-color: var(--sera-accent);
  color: var(--sera-fg-strong);
  box-shadow: 0 0 0 3px var(--sera-ring);
}

.sera-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sera-fg-strong);
}

.sera-optional {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.45rem;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--sera-fg-faint);
  background: var(--sera-surface-muted);
  border-radius: 999px;
  vertical-align: 1px;
}

.sera-form-note {
  margin: 1rem 0 0;
  padding: 0.7rem 0.9rem;
  font-size: 0.875rem;
  color: #15803d;
  background: #f0fdf4;
  border: 1px solid #d9f5e6;
  border-radius: 10px;
}

/* Tables */
.table {
  --bs-table-color: var(--sera-fg);
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--sera-border);
  --bs-table-hover-bg: var(--sera-surface-muted);
  font-size: 0.9375rem;
}

.table > thead th {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sera-fg-faint);
  border-bottom-color: var(--sera-border);
  padding-bottom: 0.75rem;
}

.table > tbody td { padding-block: 0.75rem; border-color: var(--sera-border-soft); }

/* Grouping rows inside long catalogue tables */
.table .table-secondary,
.table .table-light,
.table .table-active {
  --bs-table-bg: var(--sera-surface-muted);
  --bs-table-color: var(--sera-fg-faint);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.badge { font-weight: 600; border-radius: 999px; padding: 0.3em 0.7em; }

/* Client logo wall */
.clients-logo {
  height: 30px;
  width: auto;
  max-width: 118px;
  object-fit: contain;
  opacity: 0.55;
  filter: grayscale(100%);
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.clients-logo:hover { opacity: 1; filter: grayscale(0%); }


/* =============================================================
   Masonry gallery (CSS multi-column, same approach Sera uses)
   ============================================================= */

.sera-masonry {
  columns: 1;
  column-gap: 1.25rem;
}

@media (min-width: 640px)  { .sera-masonry { columns: 2; } }
@media (min-width: 1024px) { .sera-masonry { columns: 3; } }
@media (min-width: 1400px) { .sera-masonry { columns: 4; } }

.sera-masonry__item {
  position: relative;
  break-inside: avoid;
  margin: 0 0 1.25rem;
  border-radius: var(--sera-radius);
  overflow: hidden;
  box-shadow: var(--sera-shadow-md);
  cursor: pointer;
  isolation: isolate;
}

/* width/height attributes on each img give the browser an aspect ratio, so a
   lazily-loaded photo still reserves its column space and the layout holds. */
.sera-masonry__item img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--sera-surface-muted);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.sera-masonry__item:hover img { transform: scale(1.04); }

/* Scrim so the caption stays readable over any photo */
.sera-masonry__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9, 9, 11, 0.82) 0%, rgba(9, 9, 11, 0.35) 34%, rgba(9, 9, 11, 0) 62%);
  opacity: 0.9;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.sera-masonry__item:hover::after { opacity: 1; }

.sera-masonry__item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 1.1rem 1.15rem;
  color: #fafafa;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 12px rgba(9, 9, 11, 0.5);
  transform: translateY(4px);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.sera-masonry__item:hover figcaption { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .sera-masonry__item:hover img { transform: none; }
  .sera-masonry__item figcaption { transform: none; }
}

/* =============================================================
   Footer
   ============================================================= */

footer {
  color: var(--sera-fg-muted);
  font-size: 0.9063rem;
}

footer.row { border-top: 1px solid var(--sera-border) !important; }

footer h5 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sera-fg-faint);
  margin-bottom: 1rem;
}

footer .nav-link {
  color: var(--sera-fg-muted);
  font-size: 0.9063rem;
  padding: 0;
  transition: color 0.15s ease;
}

footer .nav-link:hover { color: var(--sera-fg-strong); text-decoration: none; }

/* WhatsApp link in the footer */
.sera-foot-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.9rem;
  padding: 0.4rem 0.85rem 0.4rem 0.6rem;
  font-size: 0.8438rem;
  font-weight: 600;
  color: #15803d;
  background: #f0fdf4;
  border: 1px solid #d9f5e6;
  border-radius: 999px;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.sera-foot-wa:hover {
  background: #dcfce7;
  border-color: #bbf7d0;
  color: #14532d;
  transform: translateY(-1px);
}

.sera-foot-wa svg { width: 17px; height: 17px; }

/* =============================================================
   Catalogue cards — subtle entrance + hover motion
   ============================================================= */

/* Content is visible by default. Only once JS has confirmed it can drive the
   animation does the pre-reveal state apply, so a silent observer, a blocked
   script, or an old browser can never leave a card stranded at opacity 0. */
.sera-anim .sera-reveal:not(.is-in) {
  opacity: 0;
  transform: translateY(14px);
}

.sera-reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--sera-delay, 0ms);
}

/* Lift + accent edge on hover, applied to the existing catalogue cards */
.sera-lift {
  position: relative;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.22s ease,
              border-color 0.22s ease;
  will-change: transform;
}

.sera-lift:hover {
  transform: translateY(-4px);
  border-color: var(--sera-fg-faint) !important;
  box-shadow: 0 12px 32px -12px rgba(24, 24, 27, 0.16);
}

/* Thin gradient hairline that wipes in along the top edge */
.sera-lift::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.25rem;
  right: 1.25rem;
  height: 2px;
  border-radius: 2px;
  background: var(--sera-grad);
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease;
  pointer-events: none;
}

.sera-lift:hover::after { transform: scaleX(1); opacity: 1; }

/* Nudge the card's CTA on hover */
.sera-lift .btn { transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease; }
.sera-lift:hover .btn { transform: translateX(2px); }

@media (prefers-reduced-motion: reduce) {
  .sera-anim .sera-reveal:not(.is-in) { opacity: 1; transform: none; }
  .sera-lift:hover { transform: none; }
  .sera-lift::after { transition: none; }
}

/* =============================================================
   Legacy overrides — neutralise the old purple/dotted theme
   so every inner page picks up the soft tone automatically
   ============================================================= */

.custom-navbar { display: none !important; }

.custom-banner {
  background: var(--sera-bg) !important;
  padding: 4.5rem 0 3.5rem !important;
  border-bottom: 1px solid var(--sera-border);
  position: relative;
  overflow: hidden;
}

.custom-banner::before {
  background: none !important;
  background-image:
    linear-gradient(to right, var(--sera-border-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--sera-border-soft) 1px, transparent 1px) !important;
  background-size: 64px 64px !important;
  opacity: 1 !important;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 40%, transparent 100%);
}

.custom-banner h1 {
  font-size: clamp(2.1rem, 5vw, 3.25rem) !important;
  font-weight: 800;
  letter-spacing: -0.038em;
  color: var(--sera-fg-strong) !important;
  line-height: 1.08;
}

.custom-banner p { color: var(--sera-fg-muted) !important; }

.custom-banner .lead { font-size: 1.0313rem; line-height: 1.7; }

.custom-banner-btn {
  border: 1px solid var(--sera-border) !important;
  background: var(--sera-surface) !important;
  color: var(--sera-fg-strong) !important;
  border-radius: 10px !important;
  font-weight: 600;
  box-shadow: var(--sera-shadow);
}

.custom-banner-btn:hover {
  background: #18181b !important;
  border-color: #18181b !important;
  color: #fff !important;
}

/* Course article pages — centre the column so wide screens read like docs */
main.container:has(.training-content) { max-width: 800px; padding-top: calc(56px + 1rem); }

main.container:has(.training-content) .container {
  padding-inline: 0;
  max-width: 100%;
}

.training-content { max-width: 100%; font-size: 1rem; }

.training-title {
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.038em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.training-desc {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--sera-fg-muted);
  margin-bottom: 2.5rem;
}

.training-day {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.028em;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--sera-border);
  margin-bottom: 1.25rem;
}

.training-content p { line-height: 1.7; margin-bottom: 1.1rem; }

.training-content p strong { color: var(--sera-fg-strong); font-weight: 600; }

/* Kill the old dotted album background wherever it is inlined */
.album[style] {
  background-color: var(--sera-bg-subtle) !important;
  background-image: none !important;
  opacity: 1 !important;
  border-block: 1px solid var(--sera-border);
}

/* Old card-cover hover treatment */
.card-cover { border-radius: var(--sera-radius); }

.whatsapp-link { color: #16a34a !important; }

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