/* ============================================================
   CASA DE VALOR — CSS
   Luxury dark gold theme
   ============================================================ */

/* ── VARIABLES ── */
:root {
  --bg-dark:    #0D1B2A;
  --bg-darker:  #080F18;
  --bg-mid:     #111E2E;
  --bg-section: #0F1A28;
  --gold:       #C9A84C;
  --gold-light: #E8C97A;
  --gold-dark:  #9A7A32;
  --gold-muted: rgba(201,168,76,0.15);
  --cream:      #FAF8F5;
  --cream-muted:#B8B0A0;
  --border:     rgba(201,168,76,0.25);
  --border-strong: rgba(201,168,76,0.55);
  --nav-h:      110px;
  --ease:       cubic-bezier(0.25,0.46,0.45,0.94);
}

/* ── TIPOGRAFÍA ELEGANTE — Playfair Display para headings ── */
.feature__title,
.buy-card__title,
.process-step__title,
.what-we-buy__heading,
.process__heading,
.admission__heading,
.about__copy h2,
.form-card__title {
  font-family: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
}
.what-we-buy__heading,
.process__heading,
.admission__heading {
  font-style: italic;
  font-weight: 500;
}
.feature__title,
.buy-card__title,
.process-step__title {
  font-style: normal;
  font-weight: 700;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 26px;
  line-height: 1.75;
  color: var(--cream);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── CONTAINER ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── TEXTURA MÁRMOL (CSS puro) ── */
.marble-bg {
  background-color: var(--bg-darker);
  background-image:
    radial-gradient(ellipse at 15% 40%, rgba(201,168,76,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(201,168,76,0.04) 0%, transparent 45%),
    radial-gradient(ellipse at 70% 80%, rgba(13,27,42,0.8) 0%, transparent 60%),
    linear-gradient(125deg, transparent 25%, rgba(255,255,255,0.012) 45%, transparent 65%),
    linear-gradient(55deg,  transparent 35%, rgba(201,168,76,0.025) 52%, transparent 68%),
    linear-gradient(170deg, transparent 40%, rgba(255,255,255,0.008) 55%, transparent 72%);
}

/* ── HERO con imagen de fondo ── */
.hero {
  background-image: url('../img/casa-de-valor2.png');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
}

/* ── BOTONES ── */
.btn-gold {
  display: inline-block;
  padding: 14px 38px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: 'Cinzel', Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn-gold:hover {
  background: var(--gold);
  color: var(--bg-darker);
}

.btn-gold-filled {
  display: inline-block;
  padding: 14px 38px;
  background: var(--gold);
  color: var(--bg-darker);
  font-family: 'Cinzel', Georgia, serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
  cursor: pointer;
  width: 100%;
}
.btn-gold-filled:hover { background: var(--gold-light); border-color: var(--gold-light); }

/* ── LABEL DORADO ── */
.label-gold {
  display: block;
  font-family: 'Cinzel', Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

/* ── MOBILE BREAK ── */
.mobile-br { display: none; }

/* ── REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal--delay  { transition-delay: 0.15s; }
.reveal--delay2 { transition-delay: 0.3s; }
.reveal--delay3 { transition-delay: 0.45s; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ══════════════════════════════════════════
   NAV
══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}
.nav.is-scrolled {
  background: rgba(8,15,24,0.97);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  gap: 32px;
}
.nav__brand { flex-shrink: 0; }
.nav__logo  { height: 142px; width: auto; }
.nav__menu  {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}
.nav__link {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(250,248,245,0.7);
  transition: color 0.25s;
}
.nav__link:hover { color: var(--gold); }
.nav__cta { margin-left: 24px; }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--cream);
  transition: 0.3s;
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,15,24,0.72);
}
.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding: 120px 32px 80px;
}
.hero__logo {
  width: 542px;
  max-width: 90vw;
  filter: drop-shadow(0 4px 24px rgba(201,168,76,0.25));
}
.hero__divider {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
}
.hero__sub {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cream-muted);
}
.hero__cta { margin-top: 8px; }
.hero__cta-text {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 24px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  text-align: center;
  line-height: 1.7;
}
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: 0.4; transform: scaleY(1); }
  50%      { opacity: 1;   transform: scaleY(1.1); }
}

/* ══════════════════════════════════════════
   FEATURES
══════════════════════════════════════════ */
.features {
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 0;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.feature {
  padding: 32px 28px;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background 0.3s;
}
.feature:nth-child(3n) { border-right: none; }
.feature:hover { background: rgba(201,168,76,0.04); }
.feature__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  color: var(--gold);
}
.feature__icon svg { width: 100%; height: 100%; }
.feature__title {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
  line-height: 1.5;
}
.feature__text {
  font-size: 24px;
  color: var(--cream-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* ══════════════════════════════════════════
   QUÉ COMPRAMOS
══════════════════════════════════════════ */
.what-we-buy {
  background: var(--bg-section);
  padding: 100px 0 80px;
  border-top: 1px solid var(--border);
}
.what-we-buy__header {
  text-align: center;
  margin-bottom: 64px;
}
.what-we-buy__heading {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 47px;
  font-weight: 500;
  font-style: normal;
  color: var(--cream);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.what-we-buy__sub {
  font-size: 26px;
  color: var(--cream-muted);
  max-width: 580px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.7;
}
.what-we-buy__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 48px;
}
.buy-card {
  background: var(--bg-dark);
  padding: 40px 28px;
  transition: background 0.3s;
}
.buy-card:hover { background: rgba(201,168,76,0.05); }
.buy-card__icon {
  width: 48px;
  height: 48px;
  color: var(--gold);
  margin-bottom: 20px;
}
.buy-card__icon svg { width: 100%; height: 100%; }
.buy-card__title {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.buy-card__list {
  list-style: none;
  padding: 0;
}
.buy-card__list li {
  font-size: 25px;
  color: var(--cream-muted);
  font-weight: 300;
  line-height: 1.7;
  padding: 4px 0;
  border-bottom: 1px solid rgba(201,168,76,0.08);
}
.buy-card__list li:last-child { border-bottom: none; }
.buy-card__list li::before {
  content: '— ';
  color: var(--gold);
  opacity: 0.5;
}

/* Diferenciador */
.differentiator { margin-top: 16px; }
.differentiator__inner {
  border: 1px solid var(--border);
  padding: 28px 40px;
  background: rgba(201,168,76,0.04);
  text-align: center;
}
.differentiator__text {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 21px;
  color: var(--cream-muted);
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto;
}
.differentiator__text strong {
  color: var(--gold);
  font-style: normal;
  font-weight: 500;
}

/* ══════════════════════════════════════════
   EL PROCESO
══════════════════════════════════════════ */
.process {
  position: relative;
  padding: 100px 0 40px;
}
.process__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,15,24,0.7);
}
.process__header {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-bottom: 72px;
}
.process__heading {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 47px;
  font-weight: 500;
  font-style: normal;
  color: var(--cream);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.process__sub {
  font-size: 26px;
  color: var(--cream-muted);
  font-weight: 300;
  letter-spacing: 1px;
}
.process__steps {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: 56px;
}
.process-step {
  padding: 0 40px;
  text-align: center;
  position: relative;
}
.process-step__num {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gold);
  opacity: 0.6;
  margin-bottom: 20px;
}
.process-step__connector {
  position: absolute;
  top: 72px;
  right: -1px;
  width: 2px;
  height: 56px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  opacity: 0.3;
}
.process-step__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  color: var(--gold);
  background: rgba(201,168,76,0.08);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.process-step__icon svg { width: 100%; height: 100%; }
.process-step__title {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 16px;
}
.process-step__text {
  font-size: 24px;
  color: var(--cream-muted);
  font-weight: 300;
  line-height: 1.75;
}
.process__cta {
  position: relative;
  z-index: 2;
  text-align: center;
}
.process__cta-divider {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 72px;
}
.process__cta-line {
  flex: 1;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}
.process__cta-text {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 47px;
  font-weight: 500;
  color: var(--gold);
  text-align: center;
  white-space: nowrap;
}

/* ══════════════════════════════════════════
   ADMISIÓN + FORMULARIO
══════════════════════════════════════════ */
.admission {
  position: relative;
  padding: 100px 0;
}
.admission__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,15,24,0.65);
}
.admission__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.admission__copy { padding-top: 8px; }
.admission__heading {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 47px;
  font-weight: 500;
  font-style: normal;
  color: var(--cream);
  line-height: 1.35;
  margin-bottom: 28px;
  letter-spacing: 0px;
}
.admission__text {
  font-size: 26px;
  color: var(--cream-muted);
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 20px;
}
.admission__copy .btn-gold { margin-top: 16px; }

/* Formulario */
.form-card {
  background: rgba(8,15,24,0.75);
  border: 1px solid var(--border);
  padding: 44px 40px;
  backdrop-filter: blur(8px);
}
.form-card__title {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.form__group { margin-bottom: 16px; }
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}
.form__row .form__group { margin-bottom: 16px; }

input, textarea, select {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--cream);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 19px;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
  -webkit-appearance: none;
  border-radius: 0;
}
input::placeholder, textarea::placeholder { color: rgba(184,176,160,0.55); }
input:focus, textarea:focus, select:focus {
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.08);
}
textarea { resize: vertical; min-height: 100px; }
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C9A84C' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
select option { background: var(--bg-darker); color: var(--cream); }

.form__check {
  margin-bottom: 20px;
  font-size: 18px;
  color: var(--cream-muted);
}
.form__check label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  line-height: 1.5;
}
.form__check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  min-width: 16px;
  padding: 0;
  margin-top: 2px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.form__check input[type="checkbox"]:checked {
  background: var(--gold);
  border-color: var(--gold);
}
.form__check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: 2px solid var(--bg-darker);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.form__check a { color: var(--gold); border-bottom: 1px solid rgba(201,168,76,0.3); }
.form__check a:hover { border-bottom-color: var(--gold); }
.form__submit { margin-top: 4px; }

/* ── Facebook Gate ── */
.form-gate {
  display: block;
  padding: 8px 0 24px;
  text-align: center;
}
.form-gate__text {
  font-size: 19px;
  color: var(--cream-muted);
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: 28px;
  font-style: italic;
}
.btn-facebook {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  background: #1877F2;
  color: #fff;
  font-family: 'Cinzel', Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.25s, opacity 0.25s;
}
.btn-facebook:hover   { background: #1565D8; }
.btn-facebook:disabled { opacity: 0.6; cursor: not-allowed; }
.form-gate__note {
  margin-top: 16px;
  font-size: 17px;
  color: rgba(184,176,160,0.45);
  line-height: 1.6;
}

/* ── FB User Info (tras login) ── */
.fb-user-info {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}
.fb-user-info__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.fb-user-info__text {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.fb-user-info__name {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 16px;
  letter-spacing: 1.5px;
  color: var(--gold);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fb-user-info__logout {
  margin-left: auto;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 17px;
  color: rgba(184,176,160,0.5);
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  white-space: nowrap;
  transition: color 0.2s;
}
.fb-user-info__logout:hover { color: var(--cream-muted); }

/* El form empieza oculto; JS lo muestra tras login */
#cita-form { display: none; }

/* ══════════════════════════════════════════
   ABOUT
══════════════════════════════════════════ */
.about {
  background: var(--bg-section);
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about__copy .label-gold { margin-bottom: 1.5rem; }
.about__text {
  font-size: 24px;
  color: var(--cream-muted);
  line-height: 1.9;
  font-weight: 300;
  margin-bottom: 20px;
}
.about__text strong { color: var(--cream); font-weight: 500; }
.about__copy .btn-gold { margin-top: 12px; }

/* Visual placeholder */
.about__img-frame {
  position: relative;
  aspect-ratio: 4/3;
  border: 1px solid var(--border);
  overflow: hidden;
}
.about__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease);
}
.about__img-frame:hover .about__photo {
  transform: scale(1.04);
}

/* Imagen atmosférica en sección ¿Qué Compramos? */
.what-we-buy__photo-wrap {
  margin: 40px 0 0;
  border: 1px solid var(--border);
  overflow: hidden;
  border-radius: 2px;
}
.what-we-buy__photo {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  transition: transform 0.7s var(--ease);
}
.what-we-buy__photo-wrap:hover .what-we-buy__photo {
  transform: scale(1.03);
}
.about__deco {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.deco-circle {
  position: absolute;
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 50%;
}
.deco-circle--1 { width: 200px; height: 200px; }
.deco-circle--2 { width: 120px; height: 120px; }
.deco-line {
  position: absolute;
  background: rgba(201,168,76,0.15);
}
.deco-line--1 { width: 1px; height: 100%; left: 50%; }
.deco-line--2 { width: 100%; height: 1px; top: 50%; }
.deco-icon { width: 80px; height: 80px; position: relative; z-index: 2; }

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
  text-align: center;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.footer__logo { height: 140px; width: auto; opacity: 0.85; margin: 0 auto; }
.footer__tagline {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 15px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
}
.footer__nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__nav a {
  font-size: 17px;
  color: var(--cream-muted);
  transition: color 0.25s;
}
.footer__nav a:hover { color: var(--gold); }
.footer__sep { color: var(--border-strong); font-size: 15px; }
.footer__copy {
  font-size: 17px;
  color: rgba(184,176,160,0.4);
  letter-spacing: 1px;
}

/* ══════════════════════════════════════════
   WHATSAPP FAB
══════════════════════════════════════════ */
.fab-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 52px;
  height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.25s, box-shadow 0.25s;
}
.fab-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(3, 1fr); }
  .feature { border-right: 1px solid var(--border); border-top: none; }
  .feature:nth-child(3n) { border-right: none; }
  .admission__grid { gap: 48px; }
  .about__grid { gap: 48px; }
}

@media (max-width: 768px) {
  html, body { overflow-x: hidden; }

  .nav__menu  { display: none; }
  .nav__cta   { display: none; }
  .nav__hamburger { display: flex; }
  .nav__menu.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(8,15,24,0.98);
    padding: 48px 32px;
    gap: 32px;
    z-index: 99;
  }
  .nav__menu.is-open .nav__link { font-size: 22px; letter-spacing: 4px; }

  .hero__logo { width: 280px; }

  .features__grid { grid-template-columns: 1fr; }
  .feature { border-right: none; border-top: none; border-bottom: 1px solid var(--border); }
  .feature:last-child { border-bottom: none; }

  .what-we-buy__grid { grid-template-columns: repeat(2, 1fr); }

  /* Bullets: +2pt igual que desktop pero más delgados en mobile */
  .buy-card__list li {
    font-size: 22px;
    font-weight: 300;
    letter-spacing: 0.015em;
    -webkit-font-smoothing: antialiased;
  }

  /* Tres Simples Pasos — mobile */
  .process__heading { font-size: 32px; letter-spacing: 1px; }
  .process__steps { grid-template-columns: 1fr; gap: 0; }
  .process-step {
    padding: 0 20px 40px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
  }
  .process-step:last-child { border-bottom: none; }
  .process-step__connector { display: none; }
  .process-step__title { font-size: 22px; }
  .process-step__text  { font-size: 20px; }
  .process__cta-text   { font-size: 28px; white-space: normal; }

  /* Activos que Valuamos — igualar heading a Tres Simples Pasos */
  .what-we-buy__heading { font-size: 32px; letter-spacing: 1px; }

  /* Admisión — fix texto cortado */
  .admission { overflow: hidden; }
  .admission__grid { grid-template-columns: 1fr; gap: 36px; }
  .admission__grid > * { min-width: 0; max-width: 100%; }
  .admission { padding: 64px 0; }
  .admission__heading { font-size: 30px; line-height: 1.3; overflow-wrap: break-word; word-break: break-word; }
  .admission__text { font-size: 20px; line-height: 1.75; overflow-wrap: break-word; }
  .label-gold { font-size: 16px; letter-spacing: 3px; }

  /* Formulario — sin cortes */
  .form-card { padding: 28px 14px; width: 100%; max-width: 100%; box-sizing: border-box; overflow: hidden; }
  .form__group { width: 100%; box-sizing: border-box; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  #cita-form { width: 100%; box-sizing: border-box; }
  input, textarea, select {
    font-size: 17px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
  }
  .form-gate__text { font-size: 17px; overflow-wrap: break-word; }
  .form-gate__note { font-size: 15px; overflow-wrap: break-word; }
  .btn-facebook { font-size: 14px; letter-spacing: 1px; width: 100%; box-sizing: border-box; }
  .btn-gold-filled { font-size: 14px; letter-spacing: 2px; padding: 14px 16px; width: 100%; box-sizing: border-box; }

  /* Salto de línea solo mobile */
  .mobile-br { display: block; }

  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__img-frame { aspect-ratio: 16/9; }
  .about__text { font-size: 20px; }

  .container { padding: 0 20px; }
  .about { padding: 72px 0; }
}

@media (max-width: 480px) {
  .features__grid { grid-template-columns: 1fr; }
  .feature { border-bottom: 1px solid var(--border); }
  .feature:last-child { border-bottom: none; }
  .feature:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .feature:last-child { border-bottom: none; }
  .what-we-buy__grid { grid-template-columns: 1fr; }
  .hero__logo { width: 240px; }
  .admission__heading { font-size: 26px; }
  .admission__text { font-size: 18px; }
  .form-card { padding: 24px 14px; }
}