/* ==========================================================================
   NEG4TIVE — styles.css
   v1.0 — hoja principal para index.html y /instant
   Sistema basado en 03-branding-visual-guide.md
   ========================================================================== */

/* ---------- 1. Tokens (variables) ---------- */
:root {
  /* Paleta principal */
  --color-ink: #141210;
  --color-cream: #F5EFE6;
  --color-terracotta: #B7532E;
  --color-sienna: #8A3A1E;
  --color-gold: #B39154;
  --color-fog: #D9D3C8;

  /* Paleta secundaria */
  --color-amber: #C4874A;
  --color-wine: #6B1E28;
  --color-sage: #A6B29C;

  /* Semánticos */
  --bg: var(--color-cream);
  --bg-dark: var(--color-ink);
  --text: var(--color-ink);
  --text-muted: #5a544c;
  --text-inverse: var(--color-cream);
  --accent: var(--color-terracotta);
  --accent-hover: var(--color-sienna);
  --border: var(--color-fog);

  /* Tipografía */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Escala tipográfica mobile */
  --fs-hero: clamp(3.2rem, 8vw, 5.6rem);
  --fs-display: clamp(2.4rem, 5vw, 3.6rem);
  --fs-h2: clamp(1.9rem, 4vw, 2.6rem);
  --fs-h3: clamp(1.5rem, 3vw, 1.8rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.75rem;

  /* Espacios */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  /* Contenedores */
  --container-max: 1280px;
  --container-narrow: 780px;
  --gutter: 1.5rem;

  /* Otros */
  --radius: 2px;
  --radius-lg: 8px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 10px 40px rgba(20, 18, 16, 0.08);
  --shadow-heavy: 0 20px 60px rgba(20, 18, 16, 0.15);
}

@media (min-width: 768px) {
  :root {
    --gutter: 2rem;
    --fs-body: 1.125rem;
  }
}

/* ---------- 2. Reset y base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover, a:focus-visible { color: var(--accent); }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

ul, ol { list-style: none; }

blockquote { quotes: none; }

::selection { background: var(--accent); color: var(--text-inverse); }

/* ---------- 3. Utilidades ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.center { text-align: center; }

.eyebrow {
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.badge {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.25em 0.6em;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 0.4em;
  vertical-align: middle;
}

/* ---------- 4. Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 1em 1.75em;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--accent-hover);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  background: var(--text);
  color: var(--text-inverse);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-weight: 500;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
  padding-bottom: 2px;
  margin-top: var(--space-3);
}
.link-arrow:hover { border-bottom-color: var(--accent); }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 239, 230, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.site-header.scrolled { border-bottom-color: var(--border); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
}

.main-nav { display: flex; align-items: center; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5em;
  z-index: 200;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.95rem;
}
.nav-menu a {
  position: relative;
  padding: 0.25em 0;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-menu a:hover::after { width: 100%; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    inset: 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-4);
    font-size: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 150;
  }
  .nav-toggle[aria-expanded="true"] + .nav-menu { transform: translateX(0); }
}

/* ---------- 6. Hero ---------- */
.hero {
  padding-top: var(--space-6);
  padding-bottom: var(--space-7);
  position: relative;
}
.hero-home { padding-top: var(--space-7); }

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  max-width: 16ch;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.2rem;
  max-width: 42ch;
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.hero-visual {
  margin-top: var(--space-6);
  padding-inline: var(--gutter);
  max-width: var(--container-max);
  margin-inline: auto;
}
.placeholder-hero {
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
}
@media (max-width: 768px) {
  .placeholder-hero { aspect-ratio: 4/5; }
}

/* ---------- 7. Placeholder images (mientras se generan visuales reales) ---------- */
.placeholder-image {
  background:
    linear-gradient(135deg,
      var(--color-fog) 0%,
      #ccc4b6 50%,
      var(--color-fog) 100%);
  background-size: 200% 200%;
  animation: shimmer 8s ease-in-out infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  border-radius: var(--radius-lg);
  position: relative;
}
.placeholder-image::before {
  content: attr(data-brief);
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  right: 0.5rem;
  font-size: 0.65rem;
  opacity: 0.6;
  text-align: center;
  pointer-events: none;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---------- 8. Secciones genéricas ---------- */
.section {
  padding-block: var(--space-7);
}
@media (min-width: 768px) {
  .section { padding-block: var(--space-8); }
}

.section-head {
  margin-bottom: var(--space-6);
  max-width: 60ch;
}
.section-head.center { margin-inline: auto; text-align: center; }

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ---------- 9. Services grid (home) ---------- */
.services-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
}

.service-card {
  padding: var(--space-4);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-soft);
}
.service-card-featured {
  border-color: var(--text);
  background: var(--text);
  color: var(--text-inverse);
}
.service-card-featured .tag { color: var(--color-amber); }
.service-card-featured .link-arrow { color: var(--color-amber); }
.service-card-featured:hover { border-color: var(--color-amber); }

.service-card-image {
  aspect-ratio: 4/5;
  margin-bottom: var(--space-3);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 400;
  margin-bottom: 0.25em;
}
.service-sub {
  font-size: 0.9rem;
  color: currentColor;
  opacity: 0.7;
  margin-bottom: var(--space-2);
}
.service-card p { font-size: 0.95rem; line-height: 1.55; }

/* ---------- 10. Manifiesto ---------- */
.section-manifesto { padding-block: var(--space-8); text-align: center; }
.manifesto p {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 300;
  line-height: 1.25;
  margin-bottom: var(--space-2);
}
.manifesto p em { color: var(--accent); font-style: italic; }
.manifesto-support {
  margin-top: var(--space-4);
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- 11. Steps (proceso) ---------- */
.steps {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  counter-reset: step;
}
@media (min-width: 700px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
}
.steps li {
  padding: var(--space-4);
  border-top: 1px solid var(--text);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-2);
}
.steps h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--space-2);
}
.steps p { font-size: 0.95rem; color: var(--text-muted); }

/* ---------- 12. Gallery ---------- */
.gallery-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }

.gallery-item {
  aspect-ratio: 4/5;
  overflow: hidden;
  transition: transform var(--transition);
}
.gallery-item:hover { transform: scale(1.02); }

/* ---------- 13. Alianzas + testimonios ---------- */
.section-alliances { background: var(--text); color: var(--text-inverse); }
.section-alliances .eyebrow { color: rgba(245, 239, 230, 0.6); }
.alliances-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-5);
}
.alliance-placeholder {
  padding: var(--space-2) var(--space-3);
  border: 1px dashed rgba(245, 239, 230, 0.3);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245, 239, 230, 0.5);
}

.testimonials-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 800px) { .testimonials-grid { grid-template-columns: repeat(3, 1fr); } }
.testimonial {
  padding: var(--space-4);
  border-left: 2px solid var(--accent);
}
.testimonial p {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.45;
  font-style: italic;
  margin-bottom: var(--space-3);
}
.testimonial footer {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
}

/* ---------- 14. Section CTA ---------- */
.section-cta {
  background: var(--text);
  color: var(--text-inverse);
  padding-block: var(--space-8);
}
.section-cta .section-title { color: var(--text-inverse); }
.section-cta p { max-width: 50ch; margin-inline: auto; color: rgba(245, 239, 230, 0.75); }
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.section-cta .btn-ghost { color: var(--text-inverse); border-color: var(--text-inverse); }
.section-cta .btn-ghost:hover { background: var(--text-inverse); color: var(--text); }

/* ---------- 15. Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(245, 239, 230, 0.85);
  padding-block: var(--space-6);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-5);
}
@media (min-width: 700px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-brand { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: var(--space-2); color: var(--text-inverse); }
.footer-tagline { color: rgba(245, 239, 230, 0.5); }
.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(245, 239, 230, 0.5);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5em; }
.footer-col a:hover { color: var(--color-amber); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(245, 239, 230, 0.1);
  font-size: 0.8rem;
  color: rgba(245, 239, 230, 0.4);
}

/* ---------- 16. WhatsApp FAB ---------- */
.wa-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.3em;
  background: #25D366;
  color: white;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-heavy);
  transition: transform var(--transition), background var(--transition);
}
.wa-fab:hover { transform: translateY(-2px); background: #1ebe5a; color: white; }
.wa-fab svg { width: 20px; height: 20px; }

/* ---------- 17. LANDING /instant específico ---------- */
.hero-instant { background: var(--text); color: var(--text-inverse); padding-top: var(--space-8); padding-bottom: var(--space-7); }
.hero-instant .eyebrow { color: var(--color-amber); }
.hero-instant .hero-title { color: var(--text-inverse); }
.hero-instant .hero-title em { color: var(--color-amber); }
.hero-instant .hero-sub { color: rgba(245, 239, 230, 0.75); }
.hero-instant .btn-ghost { color: var(--text-inverse); border-color: var(--text-inverse); }
.hero-instant .btn-ghost:hover { background: var(--text-inverse); color: var(--text); }

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.hero-chip {
  padding: 0.5em 1em;
  border: 1px solid rgba(245, 239, 230, 0.3);
  border-radius: 100px;
  font-size: 0.85rem;
  color: rgba(245, 239, 230, 0.85);
}

/* Comparison table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
  font-size: 0.95rem;
}
.compare-table th, .compare-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare-table th {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.15rem;
}
.compare-table thead th:last-child { color: var(--accent); }
.compare-table tbody tr:hover { background: rgba(183, 83, 46, 0.04); }
.compare-table td:first-child { color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; }
@media (max-width: 600px) { .compare-table { font-size: 0.85rem; } }

/* Packages */
.packages-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin-top: var(--space-5);
}
@media (min-width: 800px) { .packages-grid { grid-template-columns: repeat(3, 1fr); } }

.package {
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.package:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.package.package-featured {
  border-color: var(--accent);
  background: var(--bg);
}
.package.package-featured::before {
  content: 'Más popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--text-inverse);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.3em 1em;
  border-radius: 100px;
  font-weight: 600;
}
.package h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.25em;
}
.package .package-duration {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
}
.package .package-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--accent);
  margin-bottom: var(--space-3);
  font-variant-numeric: tabular-nums;
}
.package .package-price small {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-top: 0.25em;
}
.package ul { display: flex; flex-direction: column; gap: 0.5em; margin-bottom: var(--space-4); flex: 1; }
.package ul li {
  padding-left: 1.5em;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.4;
}
.package ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.package .btn { align-self: flex-start; }

/* Backdrops grid */
.backdrops-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(2, 1fr);
  margin-top: var(--space-4);
}
@media (min-width: 700px) { .backdrops-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .backdrops-grid { grid-template-columns: repeat(6, 1fr); } }
.backdrop-swatch {
  aspect-ratio: 1;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: var(--space-2);
  transition: transform var(--transition);
}
.backdrop-swatch:hover { transform: scale(1.03); }
.backdrop-swatch span {
  font-size: 0.8rem;
  font-weight: 500;
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.bd-cream { background: #EFE4D0; color: #333; }
.bd-cream span { color: #333; text-shadow: none; }
.bd-beige { background: #C7B299; }
.bd-terra { background: var(--color-terracotta); }
.bd-olive { background: #5C6B47; }
.bd-wine { background: var(--color-wine); }
.bd-black { background: #1a1a1a; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0; margin-top: var(--space-4); border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  padding: var(--space-3) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: var(--space-2);
}
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 0 var(--space-3) 0;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 65ch;
}

/* Formulario */
.contact-form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .contact-form { grid-template-columns: 1fr 1fr; }
  .contact-form .form-full { grid-column: 1 / -1; }
}
.form-group { display: flex; flex-direction: column; gap: 0.35em; }
.form-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.85em 1em;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-legal { font-size: 0.8rem; color: var(--text-muted); margin-top: var(--space-2); }

/* Prueba visual con marco Polaroid */
.polaroid-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, 1fr);
  margin-top: var(--space-4);
}
@media (min-width: 700px) { .polaroid-grid { grid-template-columns: repeat(3, 1fr); } }

.polaroid {
  background: white;
  padding: 12px 12px 40px 12px;
  box-shadow: var(--shadow-soft);
  transform: rotate(-1deg);
  transition: transform var(--transition);
  aspect-ratio: 4/5.5;
}
.polaroid:nth-child(even) { transform: rotate(1.5deg); }
.polaroid:hover { transform: rotate(0) scale(1.03); }
.polaroid-inner {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, var(--color-fog) 0%, #ccc4b6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}