/* ==========================================================================
   components.css — reusable UI pieces
   --------------------------------------------------------------------------
   90/10 COLOUR RULE (CLAUDE.md §7, §21): the surface is neutral
   (Warm Ivory / Midnight Slate / Charcoal). Terracotta Copper (--color-accent)
   is allowed ONLY on:
     - the single primary CTA button per viewport (.btn--accent)
     - text links
     - small highlights / underlines
     - badges on hover, status dots, chart accents
   Never use the accent as a large background or for body surfaces.
   ========================================================================== */

/* --- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-weight-semibold);
  font-size: var(--step-0);
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), transform var(--transition-fast);
}

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

/* Primary action surface — Midnight Slate, hover shifts to accent (sparingly) */
.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-dark);
}
.btn--primary:hover {
  background: var(--color-accent);
  color: var(--color-on-dark);
}

/* The ONE accent CTA per view */
.btn--accent {
  background: var(--color-accent);
  color: var(--color-on-dark);
}
.btn--accent:hover {
  background: var(--color-accent-ink);
  color: var(--color-on-dark);
}

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

/* Variants placed on dark sections */
.section--dark .btn--ghost {
  color: var(--color-on-dark);
  border-color: rgba(247, 244, 238, 0.3);
}
.section--dark .btn--ghost:hover {
  border-color: var(--color-on-dark);
  color: var(--color-on-dark);
}

/* --- Cards ------------------------------------------------------------ */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-8);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base),
    border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: transparent;
}
.card__eyebrow {
  font-size: var(--step--1);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral);
}
.card__title {
  font-size: var(--step-1);
  color: var(--color-primary);
}
.card__title a {
  color: inherit;
  text-decoration: none;
}
.card__title a:hover {
  color: var(--color-accent);
}
.card__meta {
  font-size: var(--step--1);
  color: var(--color-neutral);
}
.card__link {
  margin-top: auto;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}
.card__link::after {
  content: " \2192";
}
.card__price {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* --- Badges / tags ---------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--step--1);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  background: var(--color-ivory-muted);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
a.badge:hover,
.badge--active {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- Logo ------------------------------------------------------------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  line-height: 1;
}
.logo--stacked {
  flex-direction: column;
  gap: var(--space-2);
}
.logo__mark {
  flex-shrink: 0;
}
.logo__word {
  display: inline-flex;
  gap: 0.35em;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.logo__word-strong {
  font-weight: var(--font-weight-bold);
  color: currentColor;
}
.logo__word-light {
  font-weight: var(--font-weight-regular);
  color: var(--color-neutral);
}
.nav__brand .logo { color: var(--color-primary); }
.footer__brand-logo .logo { color: var(--color-on-dark); }

/* --- Header / nav ----------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(247, 244, 238, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  flex-shrink: 0;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__menu li {
  margin: 0;
}
.nav__link {
  color: var(--color-dark);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--step-0);
}
.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-accent);
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  cursor: pointer;
}
.nav__toggle svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
}

@media (max-width: 820px) {
  .nav__toggle {
    display: inline-flex;
  }
  .nav__menu {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6) var(--gutter);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav__menu.is-open {
    display: flex;
  }
}

/* --- Footer ----------------------------------------------------------- */
.site-footer {
  background: var(--color-primary);
  color: var(--color-on-dark-mute);
  padding-block: var(--space-24) var(--space-12);
}
.site-footer a {
  color: var(--color-on-dark-mute);
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--color-on-dark);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-12);
}
.footer__col h4 {
  color: var(--color-on-dark);
  font-size: var(--step-0);
  margin-bottom: var(--space-4);
}
.footer__col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__col li {
  margin: 0;
}
.footer__brand-logo {
  color: var(--color-on-dark);
  margin-bottom: var(--space-4);
}
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(247, 244, 238, 0.15);
  font-size: var(--step--1);
}
@media (max-width: 820px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}
@media (max-width: 520px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --- Form / embed wrappers ------------------------------------------- */
.embed {
  width: 100%;
  border: 0;
  border-radius: var(--radius-lg);
  background: #fff;
  min-height: 480px;
}
.embed-placeholder {
  display: grid;
  place-items: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-16) var(--space-8);
  border: 2px dashed var(--color-neutral);
  border-radius: var(--radius-lg);
  background: var(--color-ivory-muted);
  color: var(--color-dark);
}
.embed-placeholder strong {
  color: var(--color-primary);
}
.embed-placeholder code {
  font-size: var(--step--1);
  color: var(--color-accent-ink);
}

/* --- Lead magnet ------------------------------------------------------ */
.lead-magnet {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}
.section--dark .lead-magnet {
  background: rgba(247, 244, 238, 0.06);
  border-color: rgba(247, 244, 238, 0.16);
  color: var(--color-on-dark);
}
.section--dark .lead-magnet h3 {
  color: var(--color-on-dark);
}

/* --- Form ------------------------------------------------------------- */
.form {
  display: grid;
  gap: var(--space-4);
  max-width: 640px;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 560px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}
.form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form__label {
  font-size: var(--step--1);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}
.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--step-0);
  color: var(--color-dark);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(192, 112, 74, 0.15);
}
.form__textarea {
  resize: vertical;
  min-height: 120px;
}
.form__hint {
  font-size: var(--step--1);
  color: var(--color-neutral);
}
.form .btn {
  justify-self: start;
}
.form__msg {
  margin: 0;
  font-size: var(--step--1);
  min-height: 1.2em;
}
.form__msg--success {
  color: var(--color-accent-ink);
}
.form__msg--error {
  color: #b3402e;
}