/* ═══════════════════════════════════════════════════════
   PATAFLEX — Design System
   ═══════════════════════════════════════════════════════ */

:root {
  --verde-noche:    #0A1A12;
  --verde-oscuro:   #1B4332;
  --verde:          #2D6A4F;
  --verde-medio:    #40916C;
  --verde-claro:    #52B788;
  --verde-palido:   #D8F3DC;
  --ambar:          #D4A373;
  --ambar-claro:    #E9C46A;
  --crema:          #FEFAE0;
  --crema-oscura:   #F0EAD2;
  --blanco:         #FFFFFF;
  --negro:          #0A0A0A;
  --gris-f:         #F9FAFB;
  --gris-e:         #E5E7EB;
  --gris:           #6B7280;
  --gris-d:         #374151;

  --ff-titulo: 'Playfair Display', Georgia, serif;
  --ff-cuerpo: 'Inter', system-ui, sans-serif;

  --r:    12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl:40px;

  --sombra:    0 2px 16px rgba(0,0,0,.07);
  --sombra-lg: 0 8px 40px  rgba(0,0,0,.11);
  --sombra-xl: 0 20px 60px rgba(0,0,0,.14);

  --t: .3s ease;
  --ancho: 1200px;
}

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--ff-cuerpo); color: var(--negro); background: var(--blanco); overflow-x: hidden; line-height: 1.6; }
img  { display: block; max-width: 100%; }
a    { text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Tipografía ─────────────────────────────────── */
h1, h2, h3 { font-family: var(--ff-titulo); line-height: 1.15; }
h1   { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 700; }
h2   { font-size: clamp(2rem,   4vw, 3rem); font-weight: 600; }
h3   { font-size: clamp(1.15rem,2vw, 1.5rem); font-weight: 600; }
p    { color: var(--gris-d); line-height: 1.75; }
em   { font-style: italic; color: var(--ambar); }
.light   { color: var(--crema); }
.light-p { color: rgba(254,250,224,.72); }

/* ─── Container ──────────────────────────────────── */
.container { max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }

/* ─── Eyebrow ────────────────────────────────────── */
.eyebrow {
  display: block;
  color: var(--verde);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow--light { color: var(--verde-claro); }

/* ─── Section header ─────────────────────────────── */
.section-header { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-header p:last-child { font-size: 1.05rem; color: var(--gris); margin-top: 14px; }

/* ─── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px;
  border-radius: var(--r-lg);
  font-size: .9rem; font-weight: 600;
  border: 2px solid transparent;
  transition: transform var(--t), box-shadow var(--t), background var(--t), border-color var(--t);
  white-space: nowrap;
}
.btn--primary {
  background: var(--verde); color: var(--blanco); border-color: var(--verde);
}
.btn--primary:hover {
  background: var(--verde-oscuro); border-color: var(--verde-oscuro);
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45,106,79,.35);
}
.btn--ghost {
  background: transparent; color: var(--crema); border-color: rgba(254,250,224,.35);
}
.btn--ghost:hover { border-color: var(--crema); background: rgba(254,250,224,.08); }
.btn--cta {
  background: var(--ambar); color: var(--negro); border-color: var(--ambar);
  padding: 10px 22px; font-size: .85rem;
}
.btn--cta:hover { background: var(--ambar-claro); transform: translateY(-1px); }
.btn--lg  { padding: 16px 34px; font-size: 1rem;  border-radius: var(--r-xl); }
.btn--xl  { padding: 20px 52px; font-size: 1.1rem; border-radius: var(--r-xl); }

/* ═══════════════════════════════════════════════════════
   NAVEGACIÓN
   ═══════════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 22px 0;
  transition: padding .4s ease, background .4s ease, box-shadow .4s ease;
}
.nav.scrolled {
  background: rgba(27,67,50,.96);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,.25);
}
.nav__container {
  max-width: var(--ancho); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 40px;
}
.nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-titulo); font-size: 1.5rem; font-weight: 700;
  color: var(--crema); letter-spacing: -.5px;
}
.nav__links { display: flex; gap: 32px; margin-left: auto; }
.nav__links a { color: rgba(254,250,224,.75); font-size: .88rem; font-weight: 500; transition: color var(--t); }
.nav__links a:hover { color: var(--crema); }
.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 4px; margin-left: auto; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--crema); border-radius: 2px; transition: all var(--t); }
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden; background: var(--verde-noche);
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 70% 50%, rgba(64,145,108,.28) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 15% 80%, rgba(212,163,115,.14) 0%, transparent 50%),
    linear-gradient(145deg, #050e08 0%, #1B4332 55%, #2D6A4F 100%);
}
.hero__particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute; width: 4px; height: 4px; border-radius: 50%;
  background: rgba(82,183,136,.4); animation: float linear infinite;
}
@keyframes float {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: .5; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero__content {
  position: relative; z-index: 2;
  max-width: 640px;
  padding: 130px 24px 80px;
  margin-left: max(24px, calc((100vw - var(--ancho)) / 2));
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(82,183,136,.12); border: 1px solid rgba(82,183,136,.28);
  color: var(--verde-claro); padding: 8px 18px; border-radius: 100px;
  font-size: .82rem; font-weight: 500; margin-bottom: 32px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .7s ease .2s forwards;
}
.hero__title {
  color: var(--crema); margin-bottom: 24px;
  opacity: 0; transform: translateY(30px);
  animation: fadeUp .9s ease .4s forwards;
}
.hero__subtitle {
  color: rgba(254,250,224,.72); font-size: 1.12rem; max-width: 510px;
  margin-bottom: 40px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .9s ease .6s forwards;
}
.hero__ctas {
  display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .9s ease .75s forwards;
}
.hero__trust {
  display: flex; gap: 28px; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .9s ease .9s forwards;
}
.trust-item { display: flex; align-items: center; gap: 8px; color: rgba(254,250,224,.6); font-size: .83rem; font-weight: 500; }
.trust-item span { color: var(--crema); }

/* Hero visual */
.hero__visual {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  width: 420px; height: 420px; display: flex; align-items: center; justify-content: center;
  opacity: 0; animation: fadeIn 1.2s ease 1s forwards;
}
.hero__ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(82,183,136,.15);
  animation: spin linear infinite;
}
.hero__ring--1 { width: 420px; height: 420px; animation-duration: 40s; }
.hero__ring--2 { width: 320px; height: 320px; animation-duration: 28s; animation-direction: reverse; border-color: rgba(212,163,115,.12); }
.hero__ring--3 { width: 220px; height: 220px; animation-duration: 18s; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.hero__product-mock { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.mock__bote {
  width: 160px; height: 200px; border-radius: 24px;
  background: linear-gradient(145deg, #2D6A4F, #1B4332);
  border: 1px solid rgba(82,183,136,.3);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.1);
}
.mock__label { text-align: center; }
.mock__logo  { display: block; color: var(--verde-claro); font-size: .75rem; font-weight: 600; letter-spacing: 1px; margin-bottom: 10px; }
.mock__name  { display: block; color: var(--crema); font-family: var(--ff-titulo); font-size: 1.6rem; font-weight: 700; line-height: 1; }
.mock__sub   { display: block; color: var(--ambar); font-size: .62rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-top: 6px; }
.mock__pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 260px; }
.mock__pill  {
  background: rgba(82,183,136,.15); border: 1px solid rgba(82,183,136,.3);
  color: var(--verde-claro); padding: 5px 12px; border-radius: 100px;
  font-size: .72rem; font-weight: 600;
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(254,250,224,.35); font-size: .7rem; letter-spacing: 2px; text-transform: uppercase;
  opacity: 0; animation: fadeIn 1s ease 1.6s forwards;
}
.hero__scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, rgba(254,250,224,.35), transparent);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: .4; } 50% { opacity: 1; } }

/* ═══════════════════════════════════════════════════════
   STATS
   ═══════════════════════════════════════════════════════ */
.stats { background: var(--crema); padding: 100px 0; }
.stats__intro { text-align: center; max-width: 580px; margin: 0 auto 60px; }
.stats__intro h2 { margin: 14px 0 18px; }
.stats__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px;
}
.stat-card {
  background: var(--blanco); border-radius: var(--r-2xl); padding: 44px 32px;
  text-align: center; box-shadow: var(--sombra); border: 1px solid rgba(0,0,0,.05);
}
.stat-card__num {
  font-family: var(--ff-titulo); font-weight: 700; color: var(--verde);
  line-height: 1; margin-bottom: 16px;
  display: flex; align-items: baseline; justify-content: center; gap: 2px;
}
.counter { font-size: 4rem; }
.stat-card__unit { font-size: 2rem; color: var(--verde-medio); }
.stat-card p { font-size: .88rem; color: var(--gris); max-width: 180px; margin: 0 auto; }

.symptoms { background: var(--blanco); border-radius: var(--r-xl); padding: 40px; box-shadow: var(--sombra); }
.symptoms__title { font-family: var(--ff-titulo); font-size: 1.2rem; font-weight: 600; color: var(--negro); margin-bottom: 24px; }
.symptoms__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.symptom {
  background: var(--crema); border-radius: var(--r); padding: 14px 18px;
  font-size: .88rem; color: var(--gris-d); font-weight: 500;
}

/* ═══════════════════════════════════════════════════════
   PRODUCTOS
   ═══════════════════════════════════════════════════════ */
.products { background: var(--gris-f); padding: 100px 0; }
.products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.product-card {
  background: var(--blanco); border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--sombra); border: 1px solid rgba(0,0,0,.06);
  transition: transform var(--t), box-shadow var(--t);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--sombra-xl); }
.product-card--featured { border: 2px solid var(--verde-claro); transform: scale(1.02); }
.product-card--featured:hover { transform: scale(1.02) translateY(-8px); }

.product-card__img {
  position: relative; height: 240px;
  display: flex; align-items: center; justify-content: center;
}
.product-card__img--chews  { background: linear-gradient(145deg, #d8f3dc, #b7e4c7); }
.product-card__img--oil    { background: linear-gradient(145deg, #fefae0, rgba(233,196,106,.35)); }
.product-card__img--strong { background: linear-gradient(145deg, #1B4332, #2D6A4F); }

.product-placeholder { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.pp__icon { font-size: 3.2rem; }
.product-placeholder p    { font-size: .82rem; font-weight: 500; color: rgba(0,0,0,.45); }
.product-placeholder--dark p { color: rgba(255,255,255,.45); }
.pp__soon {
  display: inline-block;
  margin-top: 4px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .68rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  background: rgba(45,106,79,.12); color: var(--verde); border: 1px solid rgba(45,106,79,.25);
}
.pp__soon--dark {
  background: rgba(255,255,255,.1); color: rgba(254,250,224,.7); border-color: rgba(255,255,255,.2);
}

.product-card__badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--verde); color: var(--blanco);
  padding: 5px 12px; border-radius: 100px; font-size: .74rem; font-weight: 600;
}
.product-card__badge--gold { background: var(--ambar); color: var(--negro); }
.product-card__badge--dark { background: var(--negro); color: var(--crema); }

.product-card__body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.product-card__cat  { color: var(--verde-medio); font-size: .74rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px; }
.product-card__body h3  { font-size: 1.4rem; color: var(--negro); margin-bottom: 12px; }
.product-card__desc { font-size: .88rem; color: var(--gris); margin-bottom: 16px; line-height: 1.65; }
.product-card__feats { display: flex; flex-direction: column; gap: 7px; margin-bottom: 24px; flex: 1; }
.product-card__feats li { font-size: .83rem; color: var(--gris-d); font-weight: 500; }
.product-card__footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 20px; border-top: 1px solid var(--gris-f); }
.product-price { display: flex; align-items: baseline; gap: 4px; }
.price { font-family: var(--ff-titulo); font-size: 1.9rem; font-weight: 700; color: var(--negro); }
.price-sub { font-size: .78rem; color: var(--gris); }

/* ═══════════════════════════════════════════════════════
   INGREDIENTES
   ═══════════════════════════════════════════════════════ */
.ingredients { background: var(--verde-oscuro); padding: 100px 0; }
.ingredients__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.ing-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-xl); padding: 36px 28px;
  transition: background var(--t), border-color var(--t), transform var(--t);
}
.ing-card:hover {
  background: rgba(255,255,255,.09); border-color: rgba(82,183,136,.4);
  transform: translateY(-5px);
}
.ing-card__icon { font-size: 2.4rem; margin-bottom: 18px; display: block; }
.ing-card h3    { color: var(--crema); font-size: 1.15rem; margin-bottom: 12px; }
.ing-card p     { color: rgba(254,250,224,.62); font-size: .86rem; line-height: 1.7; }

/* ═══════════════════════════════════════════════════════
   CÓMO FUNCIONA
   ═══════════════════════════════════════════════════════ */
.how { background: var(--crema); padding: 100px 0; }
.steps { display: flex; align-items: flex-start; max-width: 880px; margin: 0 auto; }

.step { flex: 1; text-align: center; padding: 32px 28px; }
.step__num {
  font-family: var(--ff-titulo); font-size: 5.5rem; font-weight: 700;
  color: rgba(45,106,79,.1); line-height: 1; margin-bottom: 16px;
}
.step__body h3 { color: var(--negro); font-size: 1.25rem; margin-bottom: 12px; }
.step__body p  { font-size: .88rem; color: var(--gris); max-width: 200px; margin: 0 auto; }

.step__line {
  width: 80px; height: 2px; flex-shrink: 0;
  background: linear-gradient(to right, var(--verde-claro), var(--verde));
  opacity: .35; position: relative; top: 60px;
}

/* ═══════════════════════════════════════════════════════
   TESTIMONIOS
   ═══════════════════════════════════════════════════════ */
.testimonials { background: var(--blanco); padding: 100px 0; }
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.tcard {
  background: var(--gris-f); border-radius: var(--r-xl); padding: 32px;
  border: 1px solid rgba(0,0,0,.05);
  transition: transform var(--t), box-shadow var(--t);
}
.tcard:hover { transform: translateY(-5px); box-shadow: var(--sombra-lg); }
.tcard__stars { font-size: .95rem; letter-spacing: 2px; margin-bottom: 18px; }
.tcard__text  { font-size: .93rem; font-style: italic; color: var(--gris-d); line-height: 1.8; margin-bottom: 24px; }
.tcard__author { display: flex; align-items: center; gap: 14px; }
.tcard__avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: var(--verde); color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-titulo); font-size: 1.1rem; font-weight: 700;
}
.tcard__name { font-size: .88rem; font-weight: 600; color: var(--negro); margin-bottom: 3px; }
.tcard__dog  { font-size: .76rem; color: var(--gris); }

/* ═══════════════════════════════════════════════════════
   GARANTÍA
   ═══════════════════════════════════════════════════════ */
.guarantee { background: var(--verde-palido); padding: 80px 0; }
.guarantee__box {
  display: flex; align-items: center; gap: 48px;
  background: var(--blanco); border-radius: var(--r-2xl);
  padding: 56px; box-shadow: var(--sombra-lg);
  max-width: 860px; margin: 0 auto;
}
.guarantee__icon { font-size: 5rem; flex-shrink: 0; }
.guarantee__text h2 { font-size: clamp(1.5rem,3vw,2rem); margin-bottom: 16px; }
.guarantee__text p  { margin-bottom: 28px; }

/* ═══════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════ */
.faq { background: var(--gris-f); padding: 100px 0; }
.faq__list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq__item { background: var(--blanco); border-radius: var(--r-lg); overflow: hidden; border: 1px solid rgba(0,0,0,.06); }
.faq__q {
  width: 100%; padding: 22px 28px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: .97rem; font-weight: 600; color: var(--negro); text-align: left;
  transition: background var(--t);
}
.faq__q:hover { background: var(--gris-f); }
.faq__ico {
  font-size: 1.5rem; color: var(--verde); font-weight: 300;
  transition: transform .3s ease; flex-shrink: 0; line-height: 1;
}
.faq__item.open .faq__ico { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq__a p { padding: 0 28px 22px; font-size: .93rem; color: var(--gris-d); line-height: 1.75; }
.faq__item.open .faq__a { max-height: 300px; }

/* ═══════════════════════════════════════════════════════
   CTA FINAL
   ═══════════════════════════════════════════════════════ */
.cta-final {
  background: linear-gradient(145deg, #081C15 0%, #1B4332 50%, #2D6A4F 100%);
  padding: 120px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(82,183,136,.18) 0%, transparent 65%);
  pointer-events: none;
}
.cta-final__content { position: relative; z-index: 1; }
.cta-final__content h2 { margin: 14px auto 18px; max-width: 640px; }
.cta-final__content p  { max-width: 480px; margin: 0 auto 40px; font-size: 1.05rem; }
.cta-final__badges {
  margin-top: 28px; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  color: rgba(254,250,224,.5); font-size: .82rem;
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */
.footer { background: var(--negro); padding: 80px 0 40px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer__logo { font-family: var(--ff-titulo); font-size: 1.45rem; font-weight: 700; color: var(--crema); margin-bottom: 14px; }
.footer__brand p { color: rgba(254,250,224,.45); font-size: .85rem; line-height: 1.7; margin-bottom: 24px; }
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  color: rgba(254,250,224,.45); font-size: .78rem;
  padding: 6px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 100px;
  transition: all var(--t);
}
.footer__social a:hover { color: var(--crema); border-color: rgba(255,255,255,.3); }
.footer__col h4 { color: var(--crema); font-size: .78rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 20px; }
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col ul li a { color: rgba(254,250,224,.45); font-size: .85rem; transition: color var(--t); }
.footer__col ul li a:hover { color: rgba(254,250,224,.85); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.07); padding-top: 32px; text-align: center; }
.footer__bottom p { color: rgba(254,250,224,.25); font-size: .75rem; }

/* ═══════════════════════════════════════════════════════
   KEYFRAMES GLOBALES
   ═══════════════════════════════════════════════════════ */
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity: 1; } }

/* Clases de reveal — GSAP las anima */
.reveal { opacity: 0; transform: translateY(45px); }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .product-card--featured { transform: none; }
  .product-card--featured:hover { transform: translateY(-8px); }
  .ingredients__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(27,67,50,.97); backdrop-filter: blur(20px);
    flex-direction: column; padding: 24px 32px; gap: 20px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav__links.open { display: flex; }
  .nav__links a { font-size: 1rem; padding: 6px 0; }
  .nav__burger { display: flex; }
  .btn--cta { display: none; }

  .hero__visual { display: none; }
  .hero__content { margin-left: 0; padding: 120px 24px 80px; max-width: 100%; }

  .stats__grid { grid-template-columns: 1fr; }
  .symptoms__grid { grid-template-columns: repeat(2, 1fr); }
  .products__grid { grid-template-columns: 1fr; }
  .ingredients__grid { grid-template-columns: 1fr; }

  .steps { flex-direction: column; align-items: center; }
  .step__line { width: 2px; height: 40px; top: 0; }

  .testimonials__grid { grid-template-columns: 1fr; }
  .guarantee__box { flex-direction: column; text-align: center; padding: 40px 28px; gap: 24px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero__ctas, .hero__trust { flex-direction: column; align-items: flex-start; }
  .symptoms__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta-final__badges { flex-direction: column; align-items: center; gap: 10px; }
}

/* ═══════════════════════════════════════════════════════
   LISTA DE ESPERA — formulario de email
   ═══════════════════════════════════════════════════════ */
.waitlist-form {
  max-width: 580px; margin: 0 auto 20px;
}
.waitlist-form__row {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.waitlist-form__input {
  flex: 1; min-width: 220px;
  padding: 16px 22px; border-radius: var(--r-xl);
  border: 2px solid rgba(254,250,224,.2);
  background: rgba(255,255,255,.08);
  color: var(--crema); font-size: 1rem; font-family: var(--ff-cuerpo);
  outline: none; transition: border-color var(--t);
}
.waitlist-form__input::placeholder { color: rgba(254,250,224,.38); }
.waitlist-form__input:focus        { border-color: var(--verde-claro); }
.waitlist-form__btn                { flex-shrink: 0; }
.waitlist-form__note {
  margin-top: 14px; font-size: .78rem;
  color: rgba(254,250,224,.38); text-align: center;
}

.waitlist-success {
  max-width: 480px; margin: 0 auto 24px;
  padding: 36px 32px; border-radius: var(--r-xl);
  background: rgba(82,183,136,.12); border: 1px solid rgba(82,183,136,.3);
  text-align: center;
}
.waitlist-success__check { font-size: 2.8rem; margin-bottom: 14px; display: block; }
.waitlist-success h3 { font-size: 1.6rem; margin-bottom: 12px; }
.waitlist-success p  { font-size: .95rem; }

@media (max-width: 540px) {
  .waitlist-form__row { flex-direction: column; align-items: stretch; }
  .waitlist-form__btn { width: 100%; }
}