/* ═══════════════════════════════════════════════════════════════
   TODO PET PERÚ - ESTILOS PRINCIPALES
   ═══════════════════════════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
  --negro: #0a0a0a;
  --gris: #1a1a1a;
  --oscuro: #141414;
  --blanco: #f5f5f5;
  --blanco-dim: #b0b0b0;
  --gris-claro: #808080;
  --naranja: #FF6B00;
  --naranja-claro: #e05500;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Barlow', sans-serif;
  background: var(--negro);
  color: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── NAVEGACIÓN ── */
nav {
  background: var(--negro);
  border-bottom: 1px solid #1a1a1a;
  padding: 20px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.35rem;
  font-weight: 900;
  text-decoration: none;
  color: var(--blanco);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-logo span {
  color: var(--naranja);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  flex: 1;
}

.nav-links a {
  text-decoration: none;
  color: var(--blanco-dim);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color .2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--naranja);
}

.nav-actions {
  display: flex;
  gap: 16px;
}

.btn-cta-nav {
  background: var(--naranja);
  color: #fff;
  padding: 11px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: .95rem;
  text-transform: uppercase;
  transition: background .2s;
}

.btn-cta-nav:hover {
  background: var(--naranja-claro);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--blanco);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── PAGE HERO ── */
.page-hero {
  background: var(--oscuro);
  padding: 100px 5%;
  border-bottom: 1px solid #2a2a2a;
}

.page-hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-hero.center .page-hero-inner {
  text-align: center;
}

.page-hero .label {
  font-size: .75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--naranja);
  font-weight: 600;
  margin-bottom: 16px;
  display: block;
}

.page-hero .titulo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-hero .subtitulo {
  font-size: 1.05rem;
  color: var(--blanco-dim);
  font-weight: 300;
  line-height: 1.75;
  max-width: 600px;
}

/* ── LABELS Y TÍTULOS ── */
.label {
  font-size: .75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--naranja);
  font-weight: 600;
  margin-bottom: 16px;
  display: block;
}

.titulo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.subtitulo {
  font-size: 1rem;
  color: var(--blanco-dim);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 700px;
}

.card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
}

/* ── FOOTER ── */
footer {
  background: var(--gris);
  border-top: 1px solid #2a2a2a;
  padding: 60px 5%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 60px;
  align-items: center;
}

.footer-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 900;
  text-decoration: none;
  color: var(--blanco);
  text-transform: uppercase;
}

.footer-logo span {
  color: var(--naranja);
}

.footer-socials {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.footer-socials a:hover {
  border-color: var(--naranja);
  background: rgba(255, 107, 0, .1);
}

.footer-socials img {
  width: 20px;
  height: 20px;
}

footer p {
  text-align: right;
  color: var(--gris-claro);
  font-size: .8rem;
}

/* ── VALIDACIÓN DE FORMULARIOS ── */
input:invalid[aria-invalid="false"],
select:invalid[aria-invalid="false"],
textarea:invalid[aria-invalid="false"] {
  border-color: #EF4444 !important;
}

input[style*="border-color: rgb(34, 197, 94)"],
select[style*="border-color: rgb(34, 197, 94)"],
textarea[style*="border-color: rgb(34, 197, 94)"] {
  border-color: #22C55E !important;
  transition: border-color 0.3s, box-shadow 0.3s;
}

input[style*="border-color: rgb(239, 68, 68)"],
select[style*="border-color: rgb(239, 68, 68)"],
textarea[style*="border-color: rgb(239, 68, 68)"] {
  border-color: #EF4444 !important;
  transition: border-color 0.3s, box-shadow 0.3s;
}

/* ── BOTÓN WHATSAPP FLOTANTE ── */
.wa-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 998;
  transition: all .2s;
}

.wa-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav {
    gap: 20px;
  }

  .nav-links {
    gap: 20px;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  footer p {
    text-align: center;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 16px 5%;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--gris);
    gap: 0;
    border-bottom: 1px solid #2a2a2a;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid #1a1a1a;
  }

  .nav-links a {
    display: block;
    padding: 16px 5%;
  }

  .mobile-menu-btn {
    display: block;
  }

  .nav-actions {
    display: none;
  }

  .page-hero {
    padding: 60px 5%;
  }

  .page-hero .titulo {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  nav {
    padding: 12px 5%;
  }

  .nav-logo {
    font-size: 1rem;
  }

  .page-hero {
    padding: 40px 5%;
  }

  .wa-fab {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }

  footer {
    padding: 40px 5%;
  }
}

.share-strip {
  background: var(--negro);
  border-top: 1px solid #222;
  padding: 26px 5%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.share-strip span {
  color: var(--blanco-dim);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .8px;
  text-transform: uppercase;
}

.share-link {
  color: var(--blanco);
  border: 1px solid #333;
  border-radius: 4px;
  padding: 9px 14px;
  text-decoration: none;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .9rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: border-color .2s, background .2s, color .2s;
}

.share-link:hover {
  border-color: var(--naranja);
  background: rgba(255, 107, 0, .1);
  color: var(--naranja);
}