/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=DM+Sans:wght@300;400;500&display=swap');

/* ===== VARIABLES ===== */
:root {
  --sky-dark:   #0a1628;
  --sky-deep:   #0d2347;
  --sky-mid:    #1a3a6e;
  --sky-bright: #2563eb;
  --sky-light:  #38bdf8;
  --sky-pale:   #bae6fd;
  --sky-white:  #f0f9ff;
  --accent:     #0ea5e9;
  --accent2:    #7dd3fc;
  --card-bg:    rgba(255,255,255,0.97);
  --text-dark:  #0f172a;
  --text-soft:  #64748b;
  --wa-green:   #25d366;
  --wa-dark:    #128c7e;
  --radius-lg:  20px;
  --radius-pill: 50px;
  --transition: 0.28s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--sky-white);
  color: var(--text-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== HEADER ===== */
header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(56,189,248,0.2);
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  box-shadow: 0 2px 20px rgba(37,99,235,0.08);
  gap: 12px;
  transition: box-shadow var(--transition);
}
header.scrolled { box-shadow: 0 4px 30px rgba(37,99,235,0.14); }

.logo { height: 60px; width: auto; object-fit: contain; flex-shrink: 0; }

.navbar { display: flex; gap: 4px; align-items: center; }
.navbar a {
  color: var(--sky-mid);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.navbar a:hover {
  background: var(--sky-bright);
  color: white;
  border-color: var(--sky-bright);
  box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.header-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

#toggle-theme {
  background: var(--sky-white);
  border: 1.5px solid var(--sky-pale);
  cursor: pointer;
  font-size: 1.15em;
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
#toggle-theme:hover { background: var(--sky-bright); border-color: var(--sky-bright); transform: rotate(20deg); }

/* ── Hamburguesa ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  border: none; background: transparent;
  cursor: pointer; padding: 6px;
  border-radius: 8px;
  transition: background var(--transition);
  flex-shrink: 0;
}
.hamburger:hover { background: rgba(37,99,235,0.08); }
.hamburger span {
  display: block; height: 2.5px; border-radius: 2px;
  background: var(--sky-mid);
  transition: all 0.3s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ── Mobile nav drawer ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 80px; left: 0; right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(56,189,248,0.2);
  flex-direction: column; gap: 4px;
  padding: 16px 20px 20px;
  z-index: 999;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.mobile-nav.open { display: flex; animation: slideDown 0.25s ease; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mobile-nav a {
  color: var(--sky-mid);
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem;
  padding: 14px 18px; border-radius: 12px;
  transition: all 0.2s; border: 1px solid transparent;
}
.mobile-nav a:hover, .mobile-nav a:active { background: var(--sky-bright); color: white; }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
  padding: 60px 24px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg-img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  filter: brightness(0.35) saturate(1.2);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.85) 0%, rgba(14,165,233,0.25) 50%, rgba(37,99,235,0.6) 100%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 780px; width: 100%;
  display: flex; flex-direction: column; align-items: center;
  animation: heroFadeUp 0.9s ease both;
}
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-badge {
  display: inline-block;
  background: rgba(14,165,233,0.2);
  border: 1px solid rgba(125,211,252,0.4);
  color: var(--accent2);
  font-family: 'Syne', sans-serif; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 6px 18px; border-radius: var(--radius-pill); margin-bottom: 22px;
}
.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.9rem, 5vw, 3.8rem);
  font-weight: 800; color: white; line-height: 1.1;
  margin-bottom: 20px; text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero h1 span {
  background: linear-gradient(90deg, #38bdf8, #7dd3fc);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content > p {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: rgba(255,255,255,0.8);
  font-weight: 300; line-height: 1.7;
  margin-bottom: 36px; max-width: 560px;
}
.hero-buttons {
  display: flex; gap: 14px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 36px; width: 100%;
}
.pills { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.pills span {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(125,211,252,0.3);
  color: var(--accent2); padding: 6px 16px; border-radius: var(--radius-pill);
  font-size: 0.82rem; font-family: 'Syne', sans-serif; font-weight: 600; letter-spacing: 0.05em;
}

/* ===== BUTTONS ===== */
.btn-primary {
  background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
  color: white; padding: 14px 28px; border-radius: var(--radius-pill);
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
  box-shadow: 0 6px 20px rgba(37,211,102,0.35);
  border: none; cursor: pointer; white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(37,211,102,0.5);
  filter: brightness(1.08);
}
.btn-secondary {
  background: rgba(255,255,255,0.1); color: white;
  padding: 14px 28px; border-radius: var(--radius-pill);
  font-family: 'Syne', sans-serif; font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
  border: 1.5px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px); white-space: nowrap;
}
.btn-secondary:hover { background: rgba(255,255,255,0.2); border-color: white; transform: translateY(-3px); }
.btn-whatsapp {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
  color: white; padding: 11px 20px; border-radius: var(--radius-pill);
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.85rem;
  transition: all var(--transition); border: none; cursor: pointer;
  margin-top: 8px; box-shadow: 0 4px 15px rgba(37,211,102,0.25); width: 100%;
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.45); filter: brightness(1.08); }

/* ===== SECTIONS ===== */
section { padding: 80px 40px; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-label {
  display: inline-block;
  background: linear-gradient(90deg, rgba(37,99,235,0.1), rgba(56,189,248,0.1));
  border: 1px solid rgba(37,99,235,0.2); color: var(--sky-bright);
  font-family: 'Syne', sans-serif; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  padding: 5px 16px; border-radius: var(--radius-pill); margin-bottom: 14px;
}
.section-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 800; color: var(--sky-deep); margin-bottom: 12px;
}
.section-header p { color: var(--text-soft); font-size: 1rem; max-width: 500px; margin: 0 auto; line-height: 1.6; }

/* ===== GRID & CARDS ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px; max-width: 1200px; margin: 0 auto;
}
.grid-elec { max-width: 960px; }

/* Card animation (JS adds .anim-card, then .visible) */
.anim-card { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
.anim-card.visible { opacity: 1; transform: translateY(0); }

.card {
  background: var(--card-bg); border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(37,99,235,0.07);
  overflow: hidden; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
  border: 1.5px solid rgba(56,189,248,0.12);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-8px) scale(1.01); box-shadow: 0 20px 50px rgba(37,99,235,0.15); border-color: rgba(37,99,235,0.3); }
.card-img-wrap {
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  padding: 36px 24px; position: relative; overflow: hidden;
  min-height: 220px; display: flex; align-items: center; justify-content: center;
}
.card-img-wrap::before {
  content: '';
  position: absolute; top: -20px; right: -20px;
  width: 100px; height: 100px;
  background: radial-gradient(circle, rgba(56,189,248,0.18), transparent);
  border-radius: 50%;
}
.card img {
  height: 160px; width: auto; max-width: 100%;
  object-fit: contain; position: relative; z-index: 1;
  transition: transform var(--transition);
  filter: drop-shadow(0 8px 20px rgba(37,99,235,0.15));
}
.card:hover img { transform: scale(1.08) rotate(-1deg); filter: drop-shadow(0 14px 30px rgba(37,99,235,0.25)); }
.emoji-icon { font-size: 5rem; line-height: 1; }
.card-body { padding: 22px 20px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { font-family: 'Syne', sans-serif; font-size: 1.05rem; font-weight: 700; color: var(--sky-deep); }
.card-desc { font-size: 0.88rem; color: var(--text-soft); line-height: 1.55; flex: 1; }
.card-specs-preview {
  background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(56,189,248,0.08));
  border: 1px solid rgba(37,99,235,0.12); border-radius: 10px;
  padding: 10px 14px; font-size: 0.78rem; color: var(--sky-mid);
  line-height: 1.6; text-align: left; margin: 4px 0;
}

/* ===== CALCULADORAS ===== */
.calculadoras { background: var(--sky-white); }

/* ===== ELECTRÓNICA ===== */
.electronica {
  background: linear-gradient(180deg, #0d2347 0%, #0a1628 100%);
  position: relative; overflow: hidden;
}
.electronica-bg { position: absolute; inset: 0; z-index: 0; }
.electronica-bg-img { width: 100%; height: 100%; object-fit: cover; opacity: 0.07; }
.electronica .section-header,
.electronica .grid,
.electronica .amazon-box { position: relative; z-index: 1; }
.electronica .section-header h2 { color: white; }
.electronica .section-label { background: rgba(56,189,248,0.15); border-color: rgba(56,189,248,0.3); color: var(--accent2); }
.electronica .section-header p { color: rgba(255,255,255,0.6); }
.electronica .card { background: rgba(255,255,255,0.04); border-color: rgba(56,189,248,0.15); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.electronica .card:hover { background: rgba(255,255,255,0.08); border-color: rgba(56,189,248,0.4); }
.electronica .card-img-wrap { background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(37,99,235,0.1)); }
.electronica .card h3 { color: white; }
.electronica .card-desc { color: rgba(255,255,255,0.55); }
.electronica .card-specs-preview { background: rgba(255,255,255,0.05); border-color: rgba(56,189,248,0.2); color: var(--accent2); }

.amazon-box {
  max-width: 680px; margin: 56px auto 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(56,189,248,0.25);
  border-radius: 24px; padding: 40px; text-align: center;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  position: relative; z-index: 1;
}
.amazon-box h3 { font-family: 'Syne', sans-serif; font-size: 1.4rem; font-weight: 700; color: white; margin-bottom: 10px; }
.amazon-box p { color: rgba(255,255,255,0.6); margin-bottom: 26px; line-height: 1.6; }

/* ===== STOCK LIMITADO ===== */
.stock-limitado { background: linear-gradient(135deg, #fff7ed, #fef3c7); }
.stock-limitado .section-label { background: linear-gradient(90deg, rgba(234,88,12,0.12), rgba(245,158,11,0.12)); border-color: rgba(234,88,12,0.25); color: #ea580c; }
.stock-limitado .section-header h2 { color: var(--sky-deep); }
.grid-stock { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); max-width: 600px; }
.card-stock { border-color: rgba(234,88,12,0.2); }
.card-stock:hover { border-color: rgba(234,88,12,0.45); box-shadow: 0 20px 50px rgba(234,88,12,0.12); }
.card-stock .card-specs-preview { background: linear-gradient(135deg, rgba(234,88,12,0.05), rgba(245,158,11,0.08)); border-color: rgba(234,88,12,0.15); color: #92400e; }

/* ===== FAQ ===== */
.faq { background: linear-gradient(135deg, #f0f9ff, #e0f2fe); }
.accordion { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion .item {
  background: white; border-radius: 16px;
  border: 1.5px solid rgba(37,99,235,0.1); overflow: hidden;
  transition: border-color var(--transition);
  box-shadow: 0 2px 10px rgba(37,99,235,0.06);
}
.accordion .item:hover { border-color: rgba(37,99,235,0.25); }
.accordion h3 {
  cursor: pointer; padding: 20px 24px;
  font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--sky-deep);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  transition: color var(--transition); user-select: none;
  background: transparent; border-radius: 0; margin: 0; line-height: 1.4;
}
.accordion h3:hover { color: var(--sky-bright); }
.accordion h3 .icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, #dbeafe, #bae6fd);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--sky-bright);
  transition: transform 0.3s ease, background var(--transition);
  flex-shrink: 0;
}
.accordion h3[aria-expanded="true"] .icon { transform: rotate(45deg); background: linear-gradient(135deg, var(--sky-bright), var(--sky-light)); color: white; }
.accordion .content {
  display: none; padding: 0 24px 22px;
  font-size: 0.9rem; color: var(--text-soft); line-height: 1.7;
  border-top: 1px solid rgba(37,99,235,0.07);
}

/* ===== FOOTER ===== */
footer { background: linear-gradient(135deg, #0a1628, #0d2347); color: white; padding: 64px 40px 32px; }
.footer-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand img { height: 56px; margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.88rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-family: 'Syne', sans-serif; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent2); margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.88rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent2); }
.footer-col > p { color: rgba(255,255,255,0.55); font-size: 0.85rem; margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; flex-wrap: wrap; }
.social-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: var(--radius-pill); font-family: 'Syne', sans-serif; font-weight: 600; font-size: 0.82rem; transition: all var(--transition); border: 1.5px solid; white-space: nowrap; }
.social-btn.ig { color: #f472b6; border-color: rgba(244,114,182,0.3); background: rgba(244,114,182,0.05); }
.social-btn.ig:hover { background: linear-gradient(135deg, #f472b6, #c084fc); color: white; border-color: transparent; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(244,114,182,0.35); }
.social-btn.wa { color: #4ade80; border-color: rgba(74,222,128,0.3); background: rgba(74,222,128,0.05); }
.social-btn.wa:hover { background: linear-gradient(135deg, var(--wa-green), var(--wa-dark)); color: white; border-color: transparent; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,211,102,0.35); }
.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
}

/* ===== MODAL ===== */
.modal {
  display: none; position: fixed; z-index: 2000; inset: 0;
  background: rgba(5,15,35,0.85);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  align-items: center; justify-content: center; padding: 20px;
}
.modal.active { display: flex; animation: modalIn 0.25s ease; }
@keyframes modalIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content {
  background: white; border-radius: 24px; padding: 36px;
  width: 100%; max-width: 480px; position: relative;
  animation: modalSlide 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
  max-height: 90vh; overflow-y: auto;
}
@keyframes modalSlide { from { transform: scale(0.85) translateY(20px); opacity: 0; } to { transform: scale(1) translateY(0); opacity: 1; } }
.close {
  position: absolute; top: 16px; right: 20px;
  width: 32px; height: 32px; border-radius: 50%;
  background: #f1f5f9; display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.1rem; color: var(--text-soft);
  transition: all var(--transition); border: none; font-weight: 700;
}
.close:hover { background: var(--sky-bright); color: white; }
#modal-title { font-family: 'Syne', sans-serif; font-size: 1.3rem; font-weight: 800; color: var(--sky-deep); margin-bottom: 14px; padding-right: 30px; }
#modal-specs {
  color: var(--text-soft); font-size: 0.9rem; line-height: 1.7;
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border-radius: 12px; padding: 16px;
  border: 1px solid rgba(37,99,235,0.12);
  white-space: pre-line;
}

/* ===== NIGHT MODE ===== */
body.night-mode { background: #0a0f1a; color: #cbd5e1; }
body.night-mode header { background: rgba(10,15,26,0.95); border-color: rgba(56,189,248,0.15); }
body.night-mode .navbar a { color: #94a3b8; }
body.night-mode .mobile-nav { background: rgba(10,15,26,0.97); border-color: rgba(56,189,248,0.15); }
body.night-mode .mobile-nav a { color: #94a3b8; }
body.night-mode .hamburger span { background: #94a3b8; }
body.night-mode #toggle-theme { background: #1e293b; border-color: rgba(56,189,248,0.2); color: #e2e8f0; }
body.night-mode .calculadoras { background: #0d1525; }
body.night-mode .card { background: rgba(30,41,59,0.95); border-color: rgba(56,189,248,0.15); }
body.night-mode .card-img-wrap { background: linear-gradient(135deg, #1e293b, #0f172a); }
body.night-mode .card h3 { color: #e2e8f0; }
body.night-mode .card-desc { color: #94a3b8; }
body.night-mode .card-specs-preview { background: rgba(56,189,248,0.06); border-color: rgba(56,189,248,0.15); color: var(--accent2); }
body.night-mode .faq { background: linear-gradient(135deg, #0d1525, #0a1020); }
body.night-mode .accordion .item { background: #1e293b; border-color: rgba(56,189,248,0.12); }
body.night-mode .accordion h3 { color: #e2e8f0; }
body.night-mode .accordion .content { color: #94a3b8; border-color: rgba(56,189,248,0.08); }
body.night-mode .section-header h2 { color: #e2e8f0; }
body.night-mode .section-header p { color: #94a3b8; }
body.night-mode .stock-limitado { background: linear-gradient(135deg, #1c0f00, #1a1200); }
body.night-mode .card-stock { background: rgba(30,20,5,0.95); border-color: rgba(234,88,12,0.2); }
body.night-mode .card-stock .card-specs-preview { background: rgba(234,88,12,0.08); border-color: rgba(234,88,12,0.2); color: #fbbf24; }
body.night-mode .modal-content { background: #1e293b; }
body.night-mode #modal-title { color: #e2e8f0; }
body.night-mode #modal-specs { background: #0f172a; color: #94a3b8; border-color: rgba(56,189,248,0.12); }

/* ==============================================
   RESPONSIVE
   ============================================== */

@media (max-width: 1200px) {
  section { padding: 70px 32px; }
  footer { padding: 56px 32px 28px; }
}

@media (max-width: 1024px) {
  header { padding: 0 28px; height: 72px; }
  .logo { height: 52px; }
  .navbar a { font-size: 0.85rem; padding: 7px 12px; }
  section { padding: 64px 28px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  footer { padding: 52px 28px 28px; }
}

@media (max-width: 768px) {
  header { padding: 0 20px; height: 68px; }
  .navbar { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { top: 68px; }
  .logo { height: 48px; }

  .hero { min-height: 85vh; padding: 80px 20px 60px; }
  .hero-badge { font-size: 0.72rem; padding: 5px 14px; margin-bottom: 16px; }
  .hero h1 { font-size: clamp(1.7rem, 6vw, 2.8rem); }
  .hero-content > p { font-size: 0.97rem; margin-bottom: 28px; }
  .pills span { font-size: 0.76rem; padding: 5px 12px; }

  section { padding: 56px 20px; }
  .section-header { margin-bottom: 36px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .grid-elec { max-width: 100%; }
  .grid-stock { grid-template-columns: 1fr; max-width: 380px; }
  .card-img-wrap { min-height: 180px; padding: 28px 20px; }
  .card img { height: 140px; }

  .amazon-box { padding: 28px 22px; margin-top: 36px; }
  .amazon-box h3 { font-size: 1.2rem; }

  .accordion h3 { padding: 16px 18px; font-size: 0.9rem; }
  .accordion .content { padding: 0 18px 18px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  footer { padding: 44px 20px 24px; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; padding-top: 20px; }
}

@media (max-width: 600px) {
  .hero-buttons { flex-direction: column; align-items: stretch; gap: 10px; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; padding: 13px 20px; font-size: 0.9rem; }
  .card-img-wrap { min-height: 150px; padding: 22px 16px; }
  .card img { height: 115px; }
  .card-body { padding: 16px 14px 20px; gap: 8px; }
  .card h3 { font-size: 0.95rem; }
  .card-desc { font-size: 0.83rem; }
  .card-specs-preview { font-size: 0.74rem; padding: 8px 10px; }
  .emoji-icon { font-size: 3.8rem; }
  .btn-whatsapp { font-size: 0.82rem; padding: 10px 14px; }
  .footer-social { flex-direction: column; gap: 8px; }
  .social-btn { justify-content: center; }
  .amazon-box { padding: 24px 18px; }
}

@media (max-width: 480px) {
  header { height: 62px; padding: 0 16px; }
  .logo { height: 42px; }
  #toggle-theme { width: 36px; height: 36px; font-size: 1rem; }
  .mobile-nav { top: 62px; padding: 14px 16px 18px; }
  .mobile-nav a { padding: 12px 16px; }

  .hero { padding: 70px 16px 50px; min-height: 80vh; }
  .hero h1 { font-size: clamp(1.5rem, 7vw, 2.1rem); margin-bottom: 14px; }
  .hero-content > p { font-size: 0.88rem; margin-bottom: 22px; }
  .hero-badge { font-size: 0.67rem; margin-bottom: 14px; }
  .pills span { font-size: 0.71rem; padding: 4px 10px; }
  .hero-buttons { margin-bottom: 24px; }

  section { padding: 48px 16px; }
  .section-header { margin-bottom: 28px; }
  .section-header h2 { font-size: 1.5rem; }
  .section-header p { font-size: 0.9rem; }
  .section-label { font-size: 0.65rem; padding: 4px 12px; }

  .grid { gap: 12px; }
  .card-img-wrap { min-height: 130px; padding: 18px 12px; }
  .card img { height: 95px; }
  .card-body { padding: 12px 12px 16px; gap: 7px; }
  .card h3 { font-size: 0.88rem; }
  .card-desc { font-size: 0.78rem; }
  .card-specs-preview { font-size: 0.7rem; padding: 7px 9px; }
  .btn-whatsapp { font-size: 0.78rem; padding: 9px 12px; gap: 5px; }
  .btn-whatsapp svg { width: 13px; height: 13px; }

  .amazon-box { padding: 20px 16px; border-radius: 16px; }
  .amazon-box h3 { font-size: 1.1rem; }
  .amazon-box p { font-size: 0.87rem; }

  .accordion h3 { padding: 14px 16px; font-size: 0.87rem; }
  .accordion h3 .icon { width: 24px; height: 24px; font-size: 0.88rem; }
  .accordion .content { padding: 0 16px 16px; font-size: 0.85rem; }

  footer { padding: 36px 16px 20px; }
  .footer-brand img { height: 44px; }

  .modal { padding: 14px; }
  .modal-content { padding: 24px 18px; border-radius: 18px; }
  #modal-title { font-size: 1.05rem; }
  #modal-specs { font-size: 0.85rem; padding: 12px; }
}

@media (max-width: 380px) {
  header { padding: 0 12px; }
  .logo { height: 36px; }
  .hero h1 { font-size: 1.4rem; }
  .btn-primary, .btn-secondary { font-size: 0.85rem; padding: 12px 16px; }
  .grid { gap: 10px; }
  .card-img-wrap { min-height: 110px; padding: 14px 10px; }
  .card img { height: 80px; }
  .card h3 { font-size: 0.82rem; }
  .card-desc { font-size: 0.74rem; }
  .card-specs-preview { font-size: 0.66rem; }
  .btn-whatsapp { font-size: 0.72rem; padding: 8px 10px; }
  .section-header h2 { font-size: 1.3rem; }
  .amazon-box h3 { font-size: 1rem; }
}

@media (max-width: 768px) and (orientation: landscape) and (max-height: 500px) {
  .hero { min-height: unset; padding: 90px 40px 40px; }
  .hero h1 { font-size: clamp(1.3rem, 4vw, 1.8rem); margin-bottom: 10px; }
  .hero-content > p { font-size: 0.85rem; margin-bottom: 18px; }
  .hero-buttons { margin-bottom: 16px; }
  .pills { display: none; }
}

/* Touch: quitar hover lifts, usar active como feedback */
@media (hover: none) and (pointer: coarse) {
  .card:hover { transform: none; box-shadow: 0 4px 20px rgba(37,99,235,0.07); border-color: rgba(56,189,248,0.12); }
  .card:hover img { transform: none; filter: drop-shadow(0 8px 20px rgba(37,99,235,0.15)); }
  .btn-primary:hover, .btn-secondary:hover, .btn-whatsapp:hover, .social-btn:hover { transform: none; }
  .card:active { transform: scale(0.97); }
  .btn-primary:active, .btn-whatsapp:active { filter: brightness(0.93); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .anim-card { opacity: 1; transform: none; }
}