/* ============================================================
   Componentes — header, nav, botones, cards, footer, WhatsApp
   ============================================================ */

/* ---------- Botones ---------- */
.btn {
  --_bg: var(--brand-navy);
  --_fg: #fff;
  --_bd: var(--brand-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  line-height: 1;
  color: var(--_fg);
  background: var(--_bg);
  border: 1.5px solid var(--_bd);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease);
}
.btn:hover {
  color: var(--_fg);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn:active { transform: translateY(0); box-shadow: none; }

.btn--primary { --_bg: var(--brand-navy); --_bd: var(--brand-navy); --_fg: #fff; }
.btn--primary:hover { --_bg: var(--brand-navy-deep); --_bd: var(--brand-navy-deep); }

.btn--ghost {
  --_bg: transparent;
  --_fg: var(--brand-navy-deep);
  --_bd: var(--border-strong);
}
.btn--ghost:hover {
  --_bg: var(--surface-2);
  --_fg: var(--brand-navy-deep);
  --_bd: var(--brand-navy);
  box-shadow: none;
}

.btn--whatsapp { --_bg: var(--brand-green-ink); --_bd: var(--brand-green-ink); --_fg: #fff; }
.btn--whatsapp:hover { --_bg: #3f6516; --_bd: #3f6516; }

.btn__icon { width: 18px; height: 18px; flex: none; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
@media (max-width: 560px) {
  .hero .btn-row,
  .cta-band .btn-row { width: 100%; }
  .hero .btn-row .btn,
  .cta-band .btn-row .btn {
    flex: 1 1 100%;
    width: 100%;
    padding-inline: var(--space-4);
  }
}

/* ---------- Enlace con flecha ---------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--brand-turquoise-ink);
  text-decoration: none;
}
.link-arrow svg { width: 16px; height: 16px; transition: transform var(--ease); }
.link-arrow:hover { color: var(--brand-navy-deep); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-top: 3px solid var(--brand-turquoise);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}
.site-header__logo { display: inline-flex; align-items: center; padding-block: 0.25rem; }
.site-header__logo img { height: 2.9rem; width: auto; transition: height var(--ease); }

/* Desktop (estilo newstetic): logo grande centrado arriba, menú centrado debajo.
   Al hacer scroll, el header se compacta a una sola fila. */
@media (min-width: 901px) {
  .site-header__inner {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
    min-height: 0;
    padding-block: 1.15rem;
    transition: gap var(--ease), padding-block var(--ease);
  }
  .site-header__logo img { height: 4.75rem; }

  .site-header.is-stuck .site-header__inner {
    flex-direction: row;
    justify-content: space-between;
    gap: var(--space-4);
    padding-block: 0.45rem;
  }
  .site-header.is-stuck .site-header__logo img { height: 2.9rem; }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
}
.site-header.is-stuck .nav { flex-wrap: nowrap; }
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.nav__link {
  font-weight: 500;
  font-size: 0.975rem;
  color: var(--ink);
  text-decoration: none;
  padding: 0.4rem 0;
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--brand-turquoise);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}
.nav__link:hover { color: var(--brand-navy-deep); }
.nav__link:hover::after,
.nav__link[aria-current="true"]::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--brand-navy-deep);
}
.nav__toggle svg { width: 22px; height: 22px; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-open { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 900px) {
  .nav__toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: var(--space-3) var(--gutter) var(--space-5);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 220ms ease, opacity 220ms ease;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
  }
  .nav__link::after { display: none; }
  .nav .btn { margin-top: var(--space-4); }
}

/* ---------- "Marcador de esquina" reutilizable ---------- */
.corner { position: relative; }
.corner::before,
.corner::after {
  content: "";
  position: absolute;
  width: 34px;
  height: 34px;
  pointer-events: none;
}
.corner::before {
  top: -6px; left: -6px;
  border-top: 3px solid var(--brand-turquoise);
  border-left: 3px solid var(--brand-turquoise);
}
.corner::after {
  bottom: -6px; right: -6px;
  border-bottom: 3px solid var(--brand-green);
  border-right: 3px solid var(--brand-green);
}

/* ---------- Card de línea ---------- */
.cards {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-5) var(--space-5);
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  top: 14px; left: 14px;
  width: 20px; height: 20px;
  border-top: 2px solid var(--brand-turquoise);
  border-left: 2px solid var(--brand-turquoise);
  opacity: 0;
  transition: opacity var(--ease);
}
.card:hover,
.card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}
.card:hover::before,
.card:focus-within::before { opacity: 1; }

.card__icon {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand-turquoise) 22%, #fff);
  color: var(--brand-turquoise-ink);
}
.card__icon svg { width: 30px; height: 30px; }
.card h3 { margin: 0; }
.card p { color: var(--ink-muted); font-size: 0.95rem; margin: 0; }
.card .link-arrow { margin-top: auto; padding-top: var(--space-2); }
.card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* ---------- Badge ---------- */
.badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand-turquoise-ink);
  background: var(--surface-2);
  border-radius: var(--radius-pill);
}

/* ---------- Franja Uniformes ---------- */
.strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-6);
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
@media (min-width: 760px) {
  .strip { grid-template-columns: 120px 1fr auto; gap: var(--space-6); }
}
.strip__mark {
  width: 96px; height: 96px;
  display: grid;
  place-items: center;
  color: var(--brand-navy);
  background: var(--surface);
  border-radius: var(--radius);
}
.strip__mark svg { width: 52px; height: 52px; }
.strip h3 { margin-bottom: var(--space-2); }
.strip p { margin: 0; color: var(--ink-muted); }

/* ---------- Marcas ---------- */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-4);
}
@media (max-width: 560px) {
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
}
.brand-slot {
  display: grid;
  place-items: center;
  aspect-ratio: 5 / 3;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Diferenciales ---------- */
.features {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.feature { display: flex; gap: var(--space-4); }
.feature__check {
  flex: none;
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--brand-green) 22%, #fff);
  color: var(--brand-green-ink);
}
.feature__check svg { width: 16px; height: 16px; }
.feature h3 { margin-bottom: var(--space-2); font-size: 1.05rem; }
.feature p { margin: 0; color: var(--ink-muted); font-size: 0.95rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--brand-navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-5), 5vw, var(--space-8));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  align-items: center;
}
.cta-band h2,
.cta-band p { overflow-wrap: break-word; }
@media (min-width: 820px) {
  .cta-band { grid-template-columns: 1fr auto; }
}
.cta-band h2 { color: #fff; margin-bottom: var(--space-2); }
.cta-band p { color: rgba(255, 255, 255, 0.82); margin: 0; max-width: 40ch; }
.cta-band .eyebrow { color: rgba(255, 255, 255, 0.78); }
.cta-band .eyebrow::before {
  border-left-color: rgba(255, 255, 255, 0.7);
  border-top-color: rgba(255, 255, 255, 0.7);
  box-shadow: -3px -3px 0 -2px var(--brand-green);
}
.cta-band .btn--ghost {
  --_fg: #fff;
  --_bd: rgba(255, 255, 255, 0.5);
}
.cta-band .btn--ghost:hover { --_bg: rgba(255, 255, 255, 0.1); --_fg: #fff; --_bd: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: var(--space-8) var(--space-6);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.site-footer__logo img { height: 2.7rem; width: auto; margin-bottom: var(--space-4); }
.site-footer p { color: var(--ink-muted); font-size: 0.9rem; }
.site-footer h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
}
.site-footer__links li { margin-bottom: var(--space-2); }
.site-footer__links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-footer__links a:hover { color: var(--brand-turquoise-ink); }
.site-footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  justify-content: space-between;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

/* ---------- Botón flotante WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 56px;
  padding: 0 1rem;
  border-radius: var(--radius-pill);
  background: var(--brand-green-ink);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: background var(--ease), transform var(--ease);
}
.wa-float svg { width: 26px; height: 26px; flex: none; }
.wa-float__label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  transition: max-width var(--ease), opacity var(--ease);
}
.wa-float:hover,
.wa-float:focus-visible {
  color: #fff;
  background: #3f6516;
  transform: translateY(-2px);
}
.wa-float:hover .wa-float__label,
.wa-float:focus-visible .wa-float__label {
  max-width: 12rem;
  opacity: 1;
}
@media (max-width: 480px) {
  .wa-float { height: 52px; padding: 0 0.9rem; }
  .wa-float__label { display: none; }
}
@media print {
  .wa-float, .site-header, .skip-link { display: none !important; }
}