/* ==========================================================================
   Blancos y Confecciones de Durango — styles.css
   Paleta: Blanco #FFFFFF | Azul marino #1F3C88 | Gris claro #F4F4F4 | Beige #D8C3A5 | Amarillo #FFC107
   Tipografías: Montserrat (títulos) | Lato (cuerpo) | Playfair Display (elegante) | Pacifico (emocional)
   ========================================================================== */

/* ── VARIABLES ── */
:root {
  --white:       #FFFFFF;
  --navy:        #1F3C88;
  --navy-dark:   #162d6a;
  --navy-light:  #2a4fa8;
  --gray-light:  #F4F4F4;
  --gray-mid:    #e0e0e0;
  --gray-text:   #6b7280;
  --beige:       #D8C3A5;
  --beige-light: #f0e8db;
  --yellow:      #FFC107;
  --yellow-dark: #e5a800;
  --green-wa:    #25D366;
  --green-wa-dk: #1aab52;
  --text:        #1a1a2e;
  --text-soft:   #4a4a5a;

  --font-title:   'Montserrat', sans-serif;
  --font-body:    'Lato', sans-serif;
  --font-elegant: 'Playfair Display', serif;
  --font-touch:   'Pacifico', cursive;

  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(31, 60, 136, 0.10);
  --shadow-lg: 0 12px 48px rgba(31, 60, 136, 0.16);

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h:  72px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── CONTAINER ── */
.container {
  width: min(100%, 1200px);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ── TYPOGRAPHY HELPERS ── */
.section-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-title.centered { text-align: center; }
.section-desc {
  font-size: 1.05rem;
  color: var(--text-soft);
  max-width: 640px;
  line-height: 1.75;
}
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header .section-desc { margin-inline: auto; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 50px;
  transition: all var(--transition);
  white-space: nowrap;
  text-align: center;
}
.btn--primary {
  background: var(--green-wa);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--green-wa-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}
.btn--secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.75);
}
.btn--secondary:hover, .btn--secondary:focus-visible {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn--whatsapp {
  background: var(--green-wa);
  color: var(--white);
  padding: 10px 20px;
  font-size: 0.88rem;
  border-radius: 50px;
  box-shadow: 0 2px 12px rgba(37,211,102,0.3);
}
.btn--whatsapp:hover { background: var(--green-wa-dk); }
.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}
.btn--cta-final {
  background: var(--white);
  color: var(--navy);
  font-size: 1.1rem;
  padding: 18px 40px;
  box-shadow: var(--shadow-lg);
}
.btn--cta-final:hover {
  background: var(--yellow);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.18);
}
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

/* ========================================================================
   HEADER
   ======================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 16px rgba(31,60,136,0.08);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 4px 24px rgba(31,60,136,0.15); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--navy);
  flex-shrink: 0;
}
.logo__img {
  display: block;
  height: calc(var(--header-h) - 16px);
  width: auto;
  max-height: 100%;
  object-fit: contain;
}
.logo__icon { font-size: 1.4rem; }
.logo__text { letter-spacing: -0.5px; }
.logo__accent { color: var(--yellow); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}
.hamburger:hover { background: var(--gray-light); }
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Nav */
.nav { display: flex; align-items: center; gap: 8px; }
.nav__list { display: flex; gap: 4px; }
.nav__link {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-soft);
  padding: 8px 12px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: var(--navy); background: var(--gray-light); }
.nav__link.active { color: var(--navy); }

/* ========================================================================
   HERO
   ======================================================================== */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(31, 60, 136, 0.82) 0%,
    rgba(31, 60, 136, 0.55) 50%,
    rgba(31, 60, 136, 0.30) 100%
  );
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-block: 80px;
}
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-touch);
  font-size: 1rem;
  color: var(--yellow);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.2s ease forwards;
}
.hero__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.4s ease forwards;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.6s ease forwards;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  animation: fadeUp 0.7s 0.8s ease forwards;
}
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll-line {
  display: block;
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), transparent);
  margin-inline: auto;
  animation: scrollPulse 2s infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.6; transform: scaleY(1); }
  50%       { opacity: 1; transform: scaleY(1.1); }
}

/* ========================================================================
   PRODUCTS
   ======================================================================== */
.products {
  padding-block: 96px;
  background: var(--gray-light);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 3rem;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card__img { transform: scale(1.06); }
.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--yellow);
  color: var(--text);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.product-card__badge--new { background: var(--navy); color: var(--white); }
.product-card__body { padding: 20px; }
.product-card__name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 6px;
}
.product-card__desc {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.5;
}
.products__cta { text-align: center; }

/* ========================================================================
   ABOUT / NOSOTROS
   ======================================================================== */
.about {
  padding-block: 96px;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.about__accent {
  position: absolute;
  top: -80px;
  right: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--beige-light) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.about__img-col { position: relative; }
.about__img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about__badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--white);
}
.about__badge-num {
  display: block;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 2rem;
  color: var(--yellow);
  line-height: 1;
}
.about__badge-txt {
  font-family: var(--font-body);
  font-size: 0.8rem;
  opacity: 0.85;
}
.about__content { padding-left: 8px; }
.about__text {
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
}
.about__quote {
  margin-top: 2rem;
  padding: 24px 28px;
  background: var(--beige-light);
  border-left: 4px solid var(--beige);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.about__quote p {
  font-family: var(--font-elegant);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--navy);
  line-height: 1.5;
}

/* ========================================================================
   BENEFITS
   ======================================================================== */
.benefits {
  padding-block: 96px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.benefits::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255,193,7,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.benefits .section-title { color: var(--white); }
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 3rem;
}
.benefit-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
  transition: background var(--transition), transform var(--transition);
}
.benefit-item:hover {
  background: rgba(255,255,255,0.10);
  transform: translateY(-4px);
}
.benefit-item__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--yellow);
  color: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}
.benefit-item__text h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--white);
  margin-bottom: 6px;
}
.benefit-item__text p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.55;
}

/* ========================================================================
   TESTIMONIALS
   ======================================================================== */
.testimonials {
  padding-block: 96px;
  background: var(--beige-light);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 3rem;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: var(--font-elegant);
  font-size: 5rem;
  color: var(--beige);
  line-height: 1;
}
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.testimonial-card__stars {
  color: var(--yellow);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-card__text {
  font-family: var(--font-elegant);
  font-style: italic;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 24px;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
}
.testimonial-card__avatar {
  width: 38px;
  height: 38px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

/* ========================================================================
   LOCATION
   ======================================================================== */
.location {
  padding-block: 96px;
  background: var(--white);
}
.location__wa-note {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin-top: 0.5rem;
}
.location__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.location__info { display: flex; flex-direction: column; gap: 28px; }
.location__detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.location__icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.location__detail strong {
  display: block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.location__detail p, .location__detail a {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}
.location__detail a:hover { color: var(--navy); text-decoration: underline; }
.location__wa-btn { margin-top: 8px; }
.location__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/10;
}
.location__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ========================================================================
   CTA FINAL
   ======================================================================== */
.cta-final {
  padding-block: 120px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-final__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,193,7,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(216,195,165,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.cta-final__content { position: relative; z-index: 1; }
.cta-final__eyebrow {
  display: block;
  font-family: var(--font-touch);
  font-size: 1.1rem;
  color: var(--yellow);
  margin-bottom: 1rem;
}
.cta-final__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.8rem, 5vw, 3rem);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.cta-final__desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.75);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-block: 64px;
}
.footer__logo { font-size: 1.3rem; }
.footer__tagline {
  font-family: var(--font-touch);
  font-size: 0.9rem;
  color: var(--beige);
  margin-top: 8px;
}
.footer__col-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 16px;
}
.footer__list { display: flex; flex-direction: column; gap: 10px; }
.footer__list li, .footer__list a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer__list a:hover { color: var(--yellow); }
.footer__social { display: flex; flex-direction: column; gap: 12px; }
.footer__social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer__social-link:hover { color: var(--yellow); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 20px;
}
.footer__bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* ========================================================================
   WHATSAPP FLOAT
   ======================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background: var(--green-wa);
  color: var(--white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: waPulse 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37,211,102,0.65);
  animation: none;
}
.whatsapp-float__tooltip {
  position: absolute;
  right: 70px;
  background: var(--text);
  color: var(--white);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: var(--text);
}
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }

@keyframes waPulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 6px 36px rgba(37,211,102,0.75), 0 0 0 8px rgba(37,211,102,0.12); }
}

/* ========================================================================
   RESPONSIVE — TABLET (max 900px)
   ======================================================================== */
@media (max-width: 900px) {
  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about__img { height: 360px; }
  .about__badge { bottom: -16px; right: 16px; }
  .location__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .location__map { aspect-ratio: 16/9; }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* ========================================================================
   RESPONSIVE — MOBILE (max 640px)
   ======================================================================== */
@media (max-width: 640px) {
  :root { --header-h: 64px; }

  /* Header mobile */
  .hamburger { display: flex; }
  .logo__img {
    height: calc(var(--header-h) - 14px);
  }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 24px;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  }
  .nav.open { transform: translateX(0); }
  .nav__list { flex-direction: column; width: 100%; gap: 4px; }
  .nav__link {
    display: block;
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 10px;
  }
  .btn--whatsapp {
    width: 100%;
    justify-content: center;
    margin-top: 16px;
    padding: 14px 20px;
    font-size: 0.95rem;
  }

  /* Hero mobile */
  .hero { min-height: 90svh; }
  .hero__content { padding-block: 60px 80px; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { justify-content: center; }

  /* Products mobile */
  .products { padding-block: 64px; }
  .products__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* About mobile */
  .about { padding-block: 64px; }
  .about__img { height: 280px; }
  .about__badge { right: 12px; bottom: -12px; }

  /* Benefits mobile */
  .benefits { padding-block: 64px; }
  .benefits__grid { grid-template-columns: 1fr; }

  /* Testimonials mobile */
  .testimonials { padding-block: 64px; }
  .testimonials__grid { grid-template-columns: 1fr; }

  /* Location mobile */
  .location { padding-block: 64px; }
  .location__map { aspect-ratio: 4/3; }

  /* CTA Final mobile */
  .cta-final { padding-block: 80px; }
  .btn--cta-final { width: 100%; justify-content: center; font-size: 1rem; padding: 16px 28px; }

  /* Footer mobile */
  .footer__inner { grid-template-columns: 1fr; gap: 28px; padding-block: 48px; }
  .footer__brand { order: -1; }

  /* WhatsApp float mobile */
  .whatsapp-float { bottom: 20px; right: 20px; width: 54px; height: 54px; }
}

/* ========================================================================
   UTILITIES
   ======================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Animación de scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}