/* ============================================================
   ACANDA RESISTENCIAS — Estilo principal
   Identidad: Negro + Rojo + Blanco/Metal
   Estética: Industrial · Glassmorphism · Premium
   ============================================================ */

:root {
  --black: #000000;
  --black-soft: #080808;
  --black-red: #120000;
  --red: #E30000;
  --red-bright: #FF0000;
  --red-dark: #8B0000;
  --white: #F0F0F0;
  --white-pure: #FFFFFF;
  --metal: #9aa0a6;
  --metal-dark: #5a616b;

  --glass-bg: rgba(255, 255, 255, 0.035);
  --glass-border: rgba(255, 255, 255, 0.09);

  --radius: 18px;
  --radius-sm: 12px;

  --font-display: "Archivo", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-body);
  color: var(--white);
  background: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; cursor: pointer; }

.container {
  width: min(1160px, 92%);
  margin-inline: auto;
}

/* ---------- Fondo decorativo ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 420px at 50% -80px, rgba(227, 0, 0, 0.10), transparent 70%),
    radial-gradient(1100px 700px at 100% 120%, rgba(18, 0, 0, 0.9), transparent 65%),
    linear-gradient(180deg, #000000 0%, #080808 55%, #120000 100%);
  pointer-events: none;
}

.bg-lines {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background: repeating-linear-gradient(
    135deg,
    rgba(227, 0, 0, 0.045) 0px,
    rgba(227, 0, 0, 0.045) 1px,
    transparent 1px,
    transparent 34px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 60%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 60%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: 720px;
  height: 420px;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(227, 0, 0, 0.16), transparent 72%);
  pointer-events: none;
}

/* ---------- Glass utility ---------- */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  will-change: transform;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--red-bright), var(--red-dark));
  color: #fff;
  box-shadow: 0 10px 30px rgba(227, 0, 0, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 14px 38px rgba(227, 0, 0, 0.45), 0 0 0 1px rgba(255, 0, 0, 0.4);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--glass-border);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: rgba(227, 0, 0, 0.5);
  background: rgba(255, 255, 255, 0.07);
}

.btn-ghost.red-on {
  border-color: rgba(227, 0, 0, 0.55);
  color: var(--red-bright);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #2b8a5a, #1f6b45);
  color: #fff;
  box-shadow: 0 10px 30px rgba(31, 107, 69, 0.28);
}

.btn-whatsapp:hover {
  box-shadow: 0 14px 38px rgba(31, 107, 69, 0.5), 0 0 0 1px rgba(76, 175, 80, 0.45);
  transform: translateY(-2px);
}

.btn.block { width: 100%; }

/* ---------- Botón grande verde (WhatsApp) ---------- */
.btn-buy-big {
  position: relative;
  overflow: hidden;
  padding: 20px 44px;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  border-radius: 16px;
  background: linear-gradient(135deg, #25d366, #1da851 60%, #17903f);
  color: #fff;
  box-shadow: 0 14px 40px rgba(37, 211, 102, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), filter 0.3s;
}

/* brillo deslizante dinámico */
.btn-buy-big::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 55%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  animation: shine 3.2s var(--ease) infinite;
}

.btn-buy-big:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 55px rgba(37, 211, 102, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  filter: saturate(1.15);
}

.btn-buy-big:active { transform: scale(0.98); }

.btn-buy-big svg {
  width: 26px;
  height: 26px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

@keyframes shine {
  0% { left: -80%; }
  55%, 100% { left: 120%; }
}

.btn-money {
  background: linear-gradient(135deg, #25d366, #17903f);
  color: #fff;
  box-shadow: 0 12px 34px rgba(37, 211, 102, 0.4);
  animation: breath 2.4s ease-in-out infinite;
}

.btn-money:hover {
  box-shadow: 0 16px 44px rgba(37, 211, 102, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

@keyframes breath {
  0%, 100% { transform: scale(1); box-shadow: 0 12px 34px rgba(37, 211, 102, 0.4); }
  50% { transform: scale(1.04); box-shadow: 0 16px 44px rgba(37, 211, 102, 0.6); }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border-color: rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 74px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  height: 52px;
  width: auto;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(227, 0, 0, 0.18);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.logo:hover img {
  transform: scale(1.04);
  box-shadow: 0 0 30px rgba(227, 0, 0, 0.35);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(240, 240, 240, 0.78);
  border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }

.site-nav .nav-cta,
.site-nav .nav-cta.green {
  margin-left: 10px;
  background: linear-gradient(135deg, var(--red-bright), var(--red-dark));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.12em;
  box-shadow: 0 8px 24px rgba(227, 0, 0, 0.3);
}

.site-nav .nav-cta.green {
  background: linear-gradient(135deg, #25d366, #17903f);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  animation: breath 2.6s ease-in-out infinite;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta.green:hover {
  box-shadow: 0 10px 32px rgba(227, 0, 0, 0.45);
  transform: translateY(-1px);
}

.site-nav .nav-cta.green:hover {
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.55);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(74px + 96px) 0 96px;
  text-align: center;
}

.hero-inner { display: flex; flex-direction: column; align-items: center; }

.hero-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--metal);
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.hero-title .thin { color: #fff; font-weight: 300; }
.hero-title .red {
  color: var(--red-bright);
  text-shadow: 0 0 40px rgba(255, 0, 0, 0.4), 0 0 90px rgba(227, 0, 0, 0.3);
}

.hero-line {
  width: 120px;
  height: 3px;
  margin: 26px 0;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--red-bright), transparent);
  box-shadow: 0 0 18px rgba(255, 0, 0, 0.8), 0 0 40px rgba(227, 0, 0, 0.4);
}

.hero-tagline {
  max-width: 620px;
  font-size: 1.05rem;
  color: rgba(240, 240, 240, 0.72);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
}

/* ---------- Secciones ---------- */
.section { padding: 90px 0; }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-kicker {
  font-size: 0.74rem;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--red-bright);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.5vw, 2.5rem);
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: #fff;
}

.section-title.small { text-align: left; }

.title-line {
  width: 74px;
  height: 3px;
  margin: 18px auto;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--red-bright), transparent);
  box-shadow: 0 0 14px rgba(255, 0, 0, 0.7);
}

.title-line.center { margin-inline: auto; }

.section-sub {
  max-width: 560px;
  margin: 6px auto 0;
  color: rgba(240, 240, 240, 0.65);
}

/* ---------- Grid de productos ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.55);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(227, 0, 0, 0.45);
  box-shadow: 0 26px 55px rgba(0, 0, 0, 0.7), 0 0 40px rgba(227, 0, 0, 0.14);
}

.card-media {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 10%, #1a0403, #000);
  cursor: zoom-in;
}

.card-media img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  transition: transform 0.7s var(--ease);
}

.product-card:hover .card-media img { transform: scale(1.06); }

/* hint "ampliar" elegante sobre la imagen */
.zoom-hint {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.zoom-hint svg { width: 15px; height: 15px; }

.product-card:hover .zoom-hint,
.card-media:focus-visible .zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 10px 10px;
}

.card-category {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--red-bright);
  margin-bottom: 8px;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.03em;
  color: #fff;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 0.85rem;
  color: rgba(240, 240, 240, 0.62);
}

.products-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: 48px;
}

.products-note {
  text-align: center;
  font-size: 0.92rem;
  color: rgba(240, 240, 240, 0.6);
}

.products-note a {
  color: var(--red-bright);
  border-bottom: 1px solid rgba(227, 0, 0, 0.4);
  transition: opacity 0.2s;
}

.products-note a:hover { opacity: 0.8; }

/* ---------- Sección de marca ---------- */
.brand { padding-top: 20px; }

.brand-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  gap: 40px;
  padding: 48px 52px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid rgba(227, 0, 0, 0.18);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
}

.brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-badge-img {
  width: 180px;
  height: auto;
  border-radius: 22px;
  border: 1px solid rgba(227, 0, 0, 0.4);
  box-shadow: 0 0 44px rgba(227, 0, 0, 0.25);
}

.brand-copy p {
  color: rgba(240, 240, 240, 0.7);
  max-width: 560px;
  margin-top: 14px;
}

.brand-points {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.brand-points li {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: rgba(240, 240, 240, 0.85);
  padding: 8px 14px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.brand-points li::before {
  content: "///";
  margin-right: 7px;
  color: var(--red-bright);
  font-size: 0.6rem;
  letter-spacing: -0.15em;
}

/* ---------- Contacto ---------- */
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.contact-actions .btn { padding: 18px 38px; font-size: 1rem; }

/* ---------- Sección GANAR DINERO ---------- */
.money { padding-top: 0; }

.money-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 64px 44px;
  border-radius: 26px;
  border: 1px solid rgba(37, 211, 102, 0.35);
  background:
    radial-gradient(600px 260px at 50% -40px, rgba(37, 211, 102, 0.16), transparent 70%),
    rgba(255, 255, 255, 0.03);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
}

.money-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(37, 211, 102, 0.05) 0px,
    rgba(37, 211, 102, 0.05) 1px,
    transparent 1px,
    transparent 34px
  );
  pointer-events: none;
}

.money-card .section-title,
.money-card .section-kicker,
.money-card .title-line,
.money-card .money-text,
.money-card .btn {
  position: relative;
}

.money-text {
  max-width: 560px;
  margin: 6px auto 32px;
  color: rgba(240, 240, 240, 0.75);
  font-size: 1.08rem;
}

.money-text strong { color: var(--red-bright); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #000;
  padding: 54px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 0.8fr 1fr;
  gap: 30px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.footer-logo {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(227, 0, 0, 0.35);
  box-shadow: 0 0 18px rgba(227, 0, 0, 0.2);
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: 0.14em;
}

.footer-brand span:last-child {
  font-size: 0.82rem;
  color: rgba(240, 240, 240, 0.55);
  line-height: 1.4;
}

.footer-contact span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--metal);
  margin-bottom: 8px;
}

.footer-contact a {
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

.footer-contact a:hover { color: var(--red-bright); }

.footer-qr span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--metal);
  margin-bottom: 8px;
}

.footer-qr a {
  display: inline-block;
}

.footer-qr img {
  width: 96px;
  height: 96px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #fff;
  padding: 6px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.footer-qr img:hover {
  transform: scale(1.06);
  box-shadow: 0 0 24px rgba(37, 211, 102, 0.3);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.footer-nav a {
  color: rgba(240, 240, 240, 0.7);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--red-bright); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  color: rgba(240, 240, 240, 0.45);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.lightbox[hidden] { display: none; }

.lightbox.open { opacity: 1; }

.lightbox-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  max-width: min(92vw, 1400px);
  max-height: 90vh;
}

.lightbox-stage img {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.75);
  transform: scale(0.94);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}

.lightbox.open .lightbox-stage img {
  transform: scale(1);
  opacity: 1;
}

.lightbox-caption {
  color: rgba(240, 240, 240, 0.75);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  transition: background 0.2s, transform 0.2s;
}

.lightbox-close:hover {
  background: var(--red-dark);
  border-color: var(--red-bright);
  transform: rotate(90deg);
}

/* ---------- Animaciones de aparición ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible { opacity: 1; transform: none; }

/* ---------- Programa GANAR DINERO ---------- */
.program-hero { padding-bottom: 60px; }

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 48px;
}

.how-card {
  position: relative;
  padding: 36px 28px;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.how-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 211, 102, 0.45);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.6), 0 0 36px rgba(37, 211, 102, 0.12);
}

.how-num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, #25d366, #17903f);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.35);
}

.how-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 10px;
}

.how-card p {
  font-size: 0.88rem;
  color: rgba(240, 240, 240, 0.64);
}

.program-join { padding-top: 20px; }

.program-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.program-img {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid rgba(37, 211, 102, 0.22);
  background: #000;
  font: inherit;
  color: inherit;
  text-align: left;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.6);
  cursor: zoom-in;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.program-img:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(37, 211, 102, 0.5);
  box-shadow: 0 30px 65px rgba(0, 0, 0, 0.7), 0 0 40px rgba(37, 211, 102, 0.15);
}

.program-img img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  transition: transform 0.7s var(--ease);
}

.program-img:hover img { transform: scale(1.04); }

.program-img .zoom-hint {
  right: 14px;
  bottom: 14px;
  opacity: 1;
  transform: translateY(0);
}

.program-cta {
  display: flex;
  justify-content: center;
  margin-top: 44px;
}

.program-cta .btn-buy-big {
  width: min(560px, 100%);
  text-align: center;
  font-size: 1.1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-card { grid-template-columns: 200px 1fr; gap: 28px; padding: 40px 38px; }
}

@media (max-width: 820px) {
  .site-nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(0, 0, 0, 0.9);
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    padding: 16px 5vw 22px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }

  .site-nav.open { opacity: 1; transform: none; pointer-events: auto; }

  .site-nav a {
    font-size: 1rem;
    padding: 13px 16px;
  }

  .site-nav .nav-cta { margin: 10px 0 0; text-align: center; }

  .hamburger { display: flex; }

  .hero { padding: calc(74px + 70px) 0 70px; }
  .section { padding: 64px 0; }

  .how-grid { grid-template-columns: 1fr; }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .footer-nav { align-items: flex-start; flex-direction: row; gap: 18px; }

  /* en pantallas táctiles, el hint de ampliar siempre visible */
  .zoom-hint {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  .products-grid { grid-template-columns: 1fr; }
  .brand-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 34px 26px;
  }
  .brand-copy .section-title.small,
  .brand-copy .title-line { text-align: center; }
  .brand-copy .title-line { margin-inline: auto; }
  .brand-points { justify-content: center; }
  .footer-bottom { justify-content: center; text-align: center; }

  .program-images { grid-template-columns: 1fr; }
  .money-card { padding: 52px 26px; }
  .btn-buy-big { padding: 18px 26px; font-size: 0.95rem; }
}

@media (max-width: 380px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---------- Accesibilidad ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}