/* ============================================================
   FarmaExpress — Farmacia Online | styles.css
   Mobile-first | Breakpoints: 480 / 768 / 1024px
   ============================================================ */

/* ---- VARIABLES ---- */
:root {
  --bg: #f0fdf4;
  --white: #ffffff;
  --primary: #059669;
  --primary-dark: #047857;
  --accent: #f97316;
  --red: #ef4444;
  --text: #1a2e1a;
  --muted: #6b7280;
  --surface: #ecfdf5;
  --border: #bbf7d0;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.14);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --transition: .25s ease;
  --font: 'Nunito', sans-serif;
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
input, textarea, select { font-family: var(--font); }

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}

/* ---- UTILITIES ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .95rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(5,150,105,.35);
}
.btn--accent {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn--accent:hover, .btn--accent:focus-visible {
  background: #ea6c02;
  border-color: #ea6c02;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(249,115,22,.35);
}
.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}
.btn--sm { padding: .45rem 1rem; font-size: .88rem; }
.btn--full { width: 100%; justify-content: center; }

.section { padding-block: 4rem; }
.section__header { text-align: center; margin-bottom: 2.5rem; }
.section__label {
  display: inline-block;
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: .25rem .85rem;
  margin-bottom: .75rem;
}
.section__title { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 800; line-height: 1.2; margin-bottom: .6rem; }
.section__subtitle { color: var(--muted); max-width: 600px; margin-inline: auto; }

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---- TOP BAR ---- */
.top-bar {
  background: var(--primary-dark);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  padding: .5rem 1rem;
  text-align: center;
}
.top-bar__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .4rem .8rem;
}
.top-bar__divider { opacity: .5; }

/* ---- HEADER / NAV ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border-bottom: 2px solid var(--border);
}
.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding-block: .75rem;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
}
.nav__logo-icon {
  background: var(--primary);
  color: var(--white);
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: .85rem;
}
.nav__logo-text { display: none; }

/* Search bar */
.nav__search { display: none; }
.search-bar {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}
.search-bar:focus-within { border-color: var(--primary); }
.search-bar__icon { padding: 0 .75rem; color: var(--muted); font-size: .9rem; flex-shrink: 0; }
.search-bar__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: .55rem .25rem;
  font-size: .92rem;
  color: var(--text);
  outline: none;
  min-width: 0;
}
.search-bar__btn {
  background: var(--primary);
  color: var(--white);
  padding: .55rem 1rem;
  font-size: .88rem;
  font-weight: 700;
  border: none;
  transition: background var(--transition);
  white-space: nowrap;
}
.search-bar__btn:hover { background: var(--primary-dark); }

/* Nav actions */
.nav__actions { display: flex; align-items: center; gap: .5rem; }

.nav__cart-btn {
  position: relative;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .5rem .7rem;
  color: var(--primary);
  font-size: 1.1rem;
  transition: background var(--transition), transform var(--transition);
}
.nav__cart-btn:hover { background: var(--primary); color: var(--white); transform: scale(1.05); }
.cart-badge {
  position: absolute;
  top: -.4rem;
  right: -.4rem;
  background: var(--accent);
  color: var(--white);
  font-size: .65rem;
  font-weight: 800;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: transform .2s;
}
.cart-badge.bump { transform: scale(1.4); }

.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.2rem;
  height: 2.2rem;
  padding: .3rem;
}
.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav menu (mobile) */
.nav__menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 2px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 1rem;
  z-index: 890;
}
.nav__menu.open { display: block; }
.nav__list { display: flex; flex-direction: column; gap: .25rem; }
.nav__link {
  display: block;
  padding: .6rem .75rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}
.nav__link:hover { background: var(--surface); color: var(--primary); }

/* ---- CART DRAWER ---- */
.cart-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 950;
}
.cart-overlay.open { display: block; }
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 100vw);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: 960;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem .75rem;
  border-bottom: 1.5px solid var(--border);
}
.cart-drawer__title { font-size: 1.1rem; font-weight: 800; color: var(--primary); }
.cart-drawer__close {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 1.1rem;
  transition: background var(--transition), color var(--transition);
}
.cart-drawer__close:hover { background: var(--red); color: var(--white); }
.cart-drawer__body { flex: 1; overflow-y: auto; padding: 1rem 1.25rem; }
.cart-empty { color: var(--muted); text-align: center; padding: 2rem 0; }
.cart-drawer__footer {
  padding: 1rem 1.25rem;
  border-top: 1.5px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}
.cart-total strong { font-size: 1.4rem; color: var(--primary); }

/* Cart item */
.cart-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item__info { flex: 1; min-width: 0; }
.cart-item__name { font-weight: 700; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item__price { color: var(--primary); font-weight: 700; font-size: .9rem; }
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: .4rem;
}
.cart-item__qty button {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: .9rem;
  font-weight: 700;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: background var(--transition);
}
.cart-item__qty button:hover { background: var(--primary); color: var(--white); }
.cart-item__qty span { font-weight: 700; min-width: 1.2rem; text-align: center; }
.cart-item__remove { color: var(--red); font-size: .85rem; padding: .25rem; }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 85vh;
  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(4,78,57,.88) 0%, rgba(5,150,105,.7) 60%, rgba(16,185,129,.4) 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  color: var(--white);
  padding-block: 4rem 3rem;
}
.hero__eyebrow {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  opacity: .85;
  margin-bottom: .75rem;
}
.hero__title {
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.hero__title span { color: #6ee7b7; }
.hero__subtitle {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  opacity: .9;
  max-width: 600px;
  margin-bottom: 2rem;
}

/* Hero search */
.hero__search { margin-bottom: 2rem; }
.hero-search-form__inner {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,.35);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.hero-search-form__icon { padding: 0 .9rem; color: rgba(255,255,255,.8); font-size: 1rem; }
.hero-search-form__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  padding: .9rem .5rem;
  min-width: 0;
}
.hero-search-form__input::placeholder { color: rgba(255,255,255,.65); }
.hero__search .btn--accent { border-radius: 0; padding-inline: 1.4rem; height: 100%; }

.hero__quick-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-top: .75rem;
  font-size: .85rem;
  opacity: .9;
}
.quick-tag {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.35);
  color: var(--white);
  border-radius: 999px;
  padding: .25rem .7rem;
  font-size: .82rem;
  font-weight: 700;
  transition: background var(--transition);
}
.quick-tag:hover { background: rgba(255,255,255,.35); }

/* Hero stats */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 480px;
}
.stat {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  text-align: center;
}
.stat__num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: #6ee7b7;
}
.stat span { font-size: .8rem; opacity: .85; }

/* ---- CATEGORÍAS ---- */
.categorias { background: var(--white); }
.categorias__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.categoria-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: var(--text);
}
.categoria-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.categoria-card__icon {
  position: absolute;
  top: .75rem;
  left: .75rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1rem;
  z-index: 1;
}
.categoria-card__img-wrap { position: relative; }
.categoria-card {
  position: relative;
}
.categoria-card__img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  transition: transform .4s ease;
}
.categoria-card:hover .categoria-card__img { transform: scale(1.04); }
.categoria-card__body { padding: .85rem; }
.categoria-card__body h3 { font-size: 1rem; font-weight: 800; margin-bottom: .2rem; }
.categoria-card__body p { font-size: .8rem; color: var(--muted); margin-bottom: .5rem; }
.categoria-card__cta { font-size: .82rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: .3rem; }

/* ---- BANNER FARMACÉUTICA ---- */
.banner-farmaceutica {
  background: var(--surface);
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  padding-block: 4rem;
}
.banner-farmaceutica__inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}
.banner-farmaceutica__img-wrap {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  max-width: 360px;
}
.banner-farmaceutica__img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: top center;
  box-shadow: var(--shadow-lg);
}
.banner-farmaceutica__badge {
  position: absolute;
  bottom: 1rem;
  right: -1rem;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: .65rem 1rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .82rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  line-height: 1.3;
}
.banner-farmaceutica__badge i { font-size: 1.4rem; color: var(--primary); }
.banner-farmaceutica__content { max-width: 560px; }
.banner-farmaceutica__content p { color: var(--muted); margin-bottom: 1.25rem; }

.check-list { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.5rem; }
.check-list li { display: flex; align-items: flex-start; gap: .6rem; font-weight: 600; }
.check-list i { color: var(--primary); margin-top: .1rem; flex-shrink: 0; }

/* ---- PRODUCTOS ---- */
.productos { background: var(--bg); }

.productos__filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
  justify-content: center;
}
.filter-btn {
  padding: .45rem 1rem;
  border-radius: 999px;
  background: var(--white);
  border: 1.5px solid var(--border);
  font-weight: 700;
  font-size: .88rem;
  color: var(--text);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.productos__no-results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}
.productos__no-results i { font-size: 2.5rem; margin-bottom: 1rem; display: block; }

.productos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Product card */
.product-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.product-card.hidden { display: none; }

.product-card__img-wrap {
  position: relative;
  overflow: hidden;
}
.product-card__img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-card__img { transform: scale(1.06); }

.product-card__badge {
  position: absolute;
  top: .6rem;
  left: .6rem;
  background: var(--red);
  color: var(--white);
  font-size: .72rem;
  font-weight: 800;
  padding: .2rem .55rem;
  border-radius: 999px;
}
.product-card__badge--new { background: var(--primary); }
.product-card__badge--hot { background: var(--accent); font-size: .68rem; }

.product-card__wishlist {
  position: absolute;
  top: .6rem;
  right: .6rem;
  background: rgba(255,255,255,.85);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-size: .9rem;
  color: var(--muted);
  transition: background var(--transition), color var(--transition);
}
.product-card__wishlist:hover,
.product-card__wishlist.active {
  background: #fee2e2;
  color: var(--red);
}
.product-card__wishlist.active i { font-weight: 900; }

.product-card__body {
  padding: .85rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .3rem;
}
.product-card__category {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary);
}
.product-card__name {
  font-size: .95rem;
  font-weight: 800;
  line-height: 1.3;
}
.product-card__name small { display: block; font-size: .78rem; font-weight: 600; color: var(--muted); }
.product-card__prices { display: flex; align-items: baseline; gap: .5rem; }
.product-card__price { font-size: 1.15rem; font-weight: 800; color: var(--primary); }
.product-card__old-price { font-size: .82rem; text-decoration: line-through; color: var(--muted); }
.product-card__desc { font-size: .8rem; color: var(--muted); line-height: 1.4; flex: 1; }
.product-card__body .btn { margin-top: auto; }

.productos__footer { text-align: center; margin-top: 2.5rem; }

/* ---- SÍNTOMAS ---- */
.sintomas { background: var(--white); }
.sintomas__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  justify-content: center;
  margin-bottom: 2rem;
}
.symptom-tag {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.1rem;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 700;
  color: var(--text);
  transition: all var(--transition);
}
.symptom-tag:hover,
.symptom-tag.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: scale(1.04);
}
.symptom-tag i { font-size: .95rem; }

.sintomas__selected { text-align: center; min-height: 2rem; }
.sintomas__hint { color: var(--muted); font-size: .9rem; }
.sintomas__results { margin-top: 2rem; }
.sintomas__results-title { font-size: 1.1rem; font-weight: 800; margin-bottom: 1.25rem; text-align: center; color: var(--primary); }
.sintomas__clear { display: block; margin: 1.5rem auto 0; }

/* ---- MAGISTRALES ---- */
.magistrales { background: var(--bg); }
.magistrales__inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.magistrales__content p { color: var(--muted); margin-bottom: 1.25rem; }
.magistrales__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}
.step {
  display: flex;
  align-items: center;
  gap: .65rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  flex: 1;
  min-width: 140px;
}
.step__num {
  background: var(--primary);
  color: var(--white);
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: .9rem;
  flex-shrink: 0;
}
.step p { font-size: .85rem; font-weight: 700; }

/* Form */
.magistrales__form-wrap {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.magistrales__form h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: .35rem; color: var(--primary); }
.form-hint { font-size: .85rem; color: var(--muted); margin-bottom: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: .3rem; margin-bottom: 1rem; }
.form-group label { font-size: .88rem; font-weight: 700; }
.form-group label span { color: var(--red); }
.form-group input,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .6rem .85rem;
  font-size: .95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary); background: var(--white); }
.form-group textarea { resize: vertical; min-height: 100px; }
.input-file {
  padding: .45rem;
  font-size: .85rem;
  border-radius: var(--radius-sm);
  border: 1.5px dashed var(--border);
  cursor: pointer;
  background: var(--bg);
}
.input-file-hint { font-size: .75rem; color: var(--muted); }
.form-check { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: 1.25rem; font-size: .85rem; }
.form-check input { width: 1rem; height: 1rem; accent-color: var(--primary); margin-top: .1rem; }
.form-check a { color: var(--primary); text-decoration: underline; }
.form-success {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
}
.form-success i { color: var(--primary); font-size: 1.4rem; flex-shrink: 0; }
.form-success p { font-size: .9rem; }

/* ---- OBRAS SOCIALES ---- */
.obras-sociales { background: var(--white); }
.obras-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.obra-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  text-align: center;
  font-weight: 700;
  font-size: .85rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.obra-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.obra-card i { font-size: 1.8rem; }
.obras-note { text-align: center; font-size: .9rem; color: var(--muted); }
.obras-note a { color: var(--primary); font-weight: 700; text-decoration: underline; }

/* ---- FOOTER ---- */
.footer { background: var(--text); color: var(--white); }
.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-block: 3rem 2rem;
}
.footer__col h4 { font-size: 1rem; font-weight: 800; margin-bottom: .85rem; color: #6ee7b7; }
.footer__col ul { display: flex; flex-direction: column; gap: .4rem; }
.footer__col ul a { font-size: .88rem; opacity: .8; transition: opacity var(--transition); }
.footer__col ul a:hover { opacity: 1; text-decoration: underline; }

.footer__logo .nav__logo-text { color: var(--white); }
.footer__logo .nav__logo-icon { background: var(--primary); }
.footer__tagline { font-size: .88rem; opacity: .75; margin: .75rem 0 1.25rem; line-height: 1.5; }
.footer__address { font-style: normal; display: flex; flex-direction: column; gap: .45rem; font-size: .88rem; opacity: .8; margin-bottom: 1.25rem; }
.footer__address i { color: #6ee7b7; margin-right: .4rem; }
.footer__address a { text-decoration: underline; }

.footer__social { display: flex; gap: .75rem; }
.footer__social a {
  width: 2.2rem;
  height: 2.2rem;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition);
}
.footer__social a:hover { background: var(--primary); transform: translateY(-3px); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  align-items: center;
}
.footer__legal { font-size: .78rem; opacity: .6; text-align: center; line-height: 1.5; }
.footer__payments { display: flex; gap: .75rem; font-size: 1.8rem; opacity: .7; }

/* ---- BACK TO TOP ---- */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 2.8rem;
  height: 2.8rem;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  z-index: 800;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.back-to-top:hover { background: var(--primary-dark); }

/* ============================================================
   BREAKPOINTS
   ============================================================ */

/* 480px */
@media (min-width: 480px) {
  .nav__logo-text { display: block; }

  .hero__stats { grid-template-columns: repeat(4, 1fr); max-width: 100%; }

  .obras-grid { grid-template-columns: repeat(3, 1fr); }

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

/* 768px */
@media (min-width: 768px) {
  .nav__search { display: block; }
  .nav__hamburger { display: none; }
  .nav__menu {
    display: block;
    position: static;
    box-shadow: none;
    border: none;
    padding: 0;
    background: transparent;
  }
  .nav__list { flex-direction: row; gap: .15rem; }
  .nav__link { padding: .45rem .65rem; font-size: .88rem; }

  .nav {
    grid-template-columns: auto 1fr auto;
    gap: 1.25rem;
  }
  .nav__menu { order: 4; grid-column: 1 / -1; }

  .categorias__grid { grid-template-columns: repeat(3, 1fr); }
  .categoria-card__img { height: 160px; }

  .banner-farmaceutica__inner { flex-direction: row; align-items: flex-start; gap: 3rem; }
  .banner-farmaceutica__img-wrap { width: 340px; }

  .productos__grid { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
  .product-card__img { height: 180px; }

  .obras-grid { grid-template-columns: repeat(4, 1fr); }

  .magistrales__inner { flex-direction: row; gap: 3rem; align-items: flex-start; }
  .magistrales__content { flex: 1; }
  .magistrales__form-wrap { flex: 1; }

  .footer__top { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .footer__bottom { flex-direction: row; justify-content: space-between; }
}

/* 1024px */
@media (min-width: 1024px) {
  .nav {
    grid-template-columns: auto 1fr auto auto;
    gap: 1.5rem;
  }
  .nav__menu { order: 0; grid-column: auto; }

  .categorias__grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .categoria-card__img { height: 180px; }

  .productos__grid { grid-template-columns: repeat(4, 1fr); }
  .product-card__img { height: 200px; }

  .obras-grid { grid-template-columns: repeat(5, 1fr); }

  .hero__stats { max-width: 640px; }

  .banner-farmaceutica__img-wrap { width: 420px; }
  .banner-farmaceutica__badge { right: -1.5rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}