/* ==========================================================================
   ELEFONT · Componentes reutilizables
   Índice:
     1. Logo
     2. Botones
     3. Header + navegación
     4. Botón flotante WhatsApp
     5. Chips / tabs
     6. Tarjetas
     7. Formularios
     8. Toast
   ========================================================================== */

/* 1. Logo ---------------------------------------------------------------- */
/* Logotipo construido en código (wordmark + pisada + tagline).
   Si tienes el SVG oficial, reemplaza el contenido de .logo en index.html. */
.logo { display: inline-flex; align-items: center; gap: 10px; line-height: 1; color: var(--c-ink); }
.logo__word {
  font-weight: 900; font-size: 1.5rem; letter-spacing: 0.02em;
  font-variation-settings: "wght" 900;
}
.logo__mark { width: 22px; height: 20px; color: var(--c-orange); flex: none; margin-top: -2px; }
.logo__tag {
  border-left: 1.5px solid currentColor; padding-left: 10px;
  font-size: 0.5625rem; font-weight: var(--fw-medium); letter-spacing: 0.04em;
  line-height: 1.15; text-transform: uppercase; max-width: 9.5em;
}
.logo--invert { color: var(--c-white); }
@media (max-width: 480px) { .site-header .logo__tag { display: none; } }

/* 2. Botones ------------------------------------------------------------- */
.btn {
  --btn-bg: var(--c-ink); --btn-fg: var(--c-white); --btn-bd: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 1.5rem;
  font-weight: var(--fw-bold); font-size: var(--fs-sm); letter-spacing: 0.01em;
  color: var(--btn-fg); background: var(--btn-bg);
  border: 1.5px solid var(--btn-bd); border-radius: var(--radius-pill);
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out),
              transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out);
  white-space: nowrap;
}
.btn:hover  { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn svg { width: 20px; height: 20px; flex: none; }

.btn--primary  { --btn-bg: var(--c-orange); }
.btn--primary:hover { --btn-bg: var(--c-orange-600); }
.btn--wa       { --btn-bg: var(--c-whatsapp); --btn-fg: #0b2e17; }
.btn--wa:hover { --btn-bg: var(--c-whatsapp-600); }
.btn--ghost    { --btn-bg: transparent; --btn-fg: var(--c-ink); --btn-bd: var(--c-line-strong); }
.btn--ghost:hover { --btn-bd: var(--c-ink); box-shadow: none; }
.btn--ghost-invert { --btn-bg: transparent; --btn-fg: var(--c-white); --btn-bd: rgb(255 255 255 / 0.28); }
.btn--ghost-invert:hover { --btn-bd: var(--c-white); box-shadow: none; }
.btn--sm { min-height: 42px; padding: 0 1.1rem; font-size: var(--fs-xs); }
.btn--lg { min-height: 60px; padding: 0 2rem; font-size: var(--fs-base); }
.btn--block { width: 100%; }

/* Enlace con flecha */
.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: var(--fw-bold); font-size: var(--fs-sm);
  border-bottom: 1.5px solid currentColor; padding-bottom: 2px;
  transition: gap var(--dur) var(--ease-out), color var(--dur);
}
.link-arrow:hover { gap: 10px; color: var(--c-orange); }

/* 3. Header -------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-header);
  height: var(--header-h);
  display: flex; align-items: center;
  color: var(--c-white);
  transition: background var(--dur) var(--ease-out), box-shadow var(--dur), color var(--dur);
}
.site-header .logo { color: inherit; }
/* Estado al hacer scroll (clase añadida por header.js) */
.site-header.is-scrolled {
  background: rgb(255 255 255 / 0.92);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: 0 1px 0 var(--c-line);
  color: var(--c-ink);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); }

.nav { display: flex; align-items: center; gap: var(--sp-6); }
.nav__list { display: flex; gap: var(--sp-5); list-style: none; padding: 0; }
.nav__link {
  font-size: var(--fs-sm); font-weight: var(--fw-medium); opacity: 0.8;
  position: relative; padding-block: 6px; transition: opacity var(--dur);
}
.nav__link:hover, .nav__link.is-active { opacity: 1; }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--c-orange); border-radius: 2px;
}

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 50%; align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px;
  position: relative; transition: transform var(--dur) var(--ease-out), background var(--dur);
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav__list {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 0;
    background: var(--c-white); color: var(--c-ink);
    padding: var(--sp-3) var(--gutter) var(--sp-6);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform var(--dur) var(--ease-out), opacity var(--dur);
  }
  .nav__list .nav__link { display: block; padding: var(--sp-4) 0; border-bottom: 1px solid var(--c-line); font-size: var(--fs-base); opacity: 1; }
  .nav__link.is-active::after { display: none; }
  .nav-open .nav__list { transform: none; opacity: 1; pointer-events: auto; }
  .nav-open .site-header { background: var(--c-white); color: var(--c-ink); }
  .nav .btn span { display: none; }      /* en móvil el botón queda solo con ícono */
  .nav .btn { padding: 0; width: 44px; min-height: 44px; }
}

/* 4. WhatsApp flotante --------------------------------------------------- */
.wa-float {
  position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom));
  z-index: var(--z-float);
  display: inline-flex; align-items: center; gap: 10px;
  height: 58px; padding: 0 20px 0 16px;
  background: var(--c-whatsapp); color: #0b2e17;
  border-radius: var(--radius-pill); box-shadow: var(--shadow-lg);
  font-weight: var(--fw-bold); font-size: var(--fs-sm);
  transform: translateY(120%); opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur), background var(--dur);
}
.wa-float.is-visible { transform: none; opacity: 1; }
.wa-float:hover { background: var(--c-whatsapp-600); }
.wa-float svg { width: 26px; height: 26px; }
.wa-float::before { /* pulso sutil para llamar la atención */
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  box-shadow: 0 0 0 0 rgb(37 211 102 / 0.55); animation: wa-pulse 2.6s infinite;
}
@keyframes wa-pulse { 70% { box-shadow: 0 0 0 16px rgb(37 211 102 / 0); } 100% { box-shadow: 0 0 0 0 rgb(37 211 102 / 0); } }
@media (max-width: 560px) { .wa-float span { display: none; } .wa-float { width: 58px; padding: 0; justify-content: center; } }

/* 5. Chips / Tabs -------------------------------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 40px; padding: 0 1rem;
  border: 1.5px solid var(--c-line-strong); border-radius: var(--radius-pill);
  font-size: var(--fs-sm); font-weight: var(--fw-medium);
  background: var(--c-white);
  transition: background var(--dur), border-color var(--dur), color var(--dur);
}
.chip:hover { border-color: var(--c-ink); }
.chip[aria-selected="true"], .chip[aria-pressed="true"], .chip.is-active {
  background: var(--c-ink); color: var(--c-white); border-color: var(--c-ink);
}

/* Lista con ticks naranjos */
.ticks { list-style: none; padding: 0; display: grid; gap: var(--sp-3); }
.ticks li { position: relative; padding-left: 28px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 0.42em; width: 16px; height: 16px; border-radius: 50%;
  background: var(--c-orange-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.3 2.3 4.7-5' fill='none' stroke='%23dc582a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;
}

/* Etiqueta pequeña */
.tag {
  display: inline-block; padding: 4px 10px; border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: var(--fw-bold); letter-spacing: 0.04em;
  background: var(--c-paper); color: var(--c-text-muted);
}
.tag--orange { background: var(--c-orange-100); color: var(--c-orange-600); }

/* 6. Tarjetas ------------------------------------------------------------ */
.card {
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur), border-color var(--dur);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }

/* 7. Formularios --------------------------------------------------------- */
.field { display: grid; gap: 8px; }
.field__label { font-size: var(--fs-sm); font-weight: var(--fw-bold); }
.field__hint  { font-size: var(--fs-xs); color: var(--c-text-muted); font-weight: var(--fw-regular); }
.field__error { font-size: var(--fs-xs); color: var(--c-error); }
.field__error:empty { display: none; }

.input, .select, .textarea {
  width: 100%; min-height: 52px; padding: 0 16px;
  background: var(--c-white); border: 1.5px solid var(--c-line-strong); border-radius: var(--radius);
  transition: border-color var(--dur), box-shadow var(--dur);
}
.textarea { padding: 14px 16px; min-height: 110px; resize: vertical; }
.select {
  appearance: none; padding-right: 44px;
  background: var(--c-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 8l5 5 5-5' fill='none' stroke='%231f2023' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") right 14px center/18px no-repeat;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--c-text-muted); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--c-orange); box-shadow: 0 0 0 4px rgb(220 88 42 / 0.15); }
.field.has-error .input, .field.has-error .select, .field.has-error .textarea { border-color: var(--c-error); }

/* Opciones tipo tarjeta (radio/checkbox) */
.options { display: grid; gap: var(--sp-2); grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.option { position: relative; }
.option input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.option__box {
  display: flex; flex-direction: column; gap: 2px; height: 100%;
  padding: 12px 14px; border: 1.5px solid var(--c-line-strong); border-radius: var(--radius);
  font-size: var(--fs-sm); font-weight: var(--fw-medium); background: var(--c-white);
  transition: border-color var(--dur), background var(--dur), box-shadow var(--dur);
}
.option__box small { font-size: var(--fs-xs); color: var(--c-text-muted); font-weight: var(--fw-regular); }
.option input:hover + .option__box { border-color: var(--c-text-muted); }
.option input:checked + .option__box { border-color: var(--c-orange); background: var(--c-orange-100); box-shadow: inset 0 0 0 1px var(--c-orange); }
.option input:focus-visible + .option__box { outline: 2px solid var(--c-orange); outline-offset: 2px; }

/* 9. Aviso de cookies (solo aparece si hay analítica configurada) -------- */
.consent {
  position: fixed; left: 16px; bottom: 16px; z-index: var(--z-modal);
  max-width: min(440px, calc(100vw - 32px)); padding: var(--sp-4) var(--sp-5);
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm); display: grid; gap: var(--sp-3);
}
.consent a { text-decoration: underline; }
.consent__actions { display: flex; gap: var(--sp-2); justify-content: flex-end; }

/* 8. Toast --------------------------------------------------------------- */
.toast {
  position: fixed; left: 50%; bottom: 96px; z-index: var(--z-modal);
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  max-width: min(92vw, 460px); padding: 14px 18px; border-radius: var(--radius);
  background: var(--c-ink); color: var(--c-white); font-size: var(--fs-sm); box-shadow: var(--shadow-lg);
  transition: transform var(--dur) var(--ease-out), opacity var(--dur);
}
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }