/* ============================================================
   Centro Veterinario Itzcuintli - Design System
   Colores y tipografía de marca
   ============================================================ */

:root {
  --brand-navy: #003B64;
  --brand-navy-dark: #001f35;
  --brand-teal: #0097A7;
  --brand-teal-light: #e0f7fa;
  --brand-teal-hover: #00838f;
  --brand-gold: #E5A912;
  --brand-gold-hover: #c9930c;
  --dark: #0f172a;
  --muted: #475569;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 25px -5px rgba(0, 59, 100, 0.08);
  --shadow-xl: 0 20px 30px -10px rgba(0, 59, 100, 0.16);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--muted);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--brand-navy);
  font-weight: 700;
  line-height: 1.25;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: 9999px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-teal {
  background: var(--brand-teal);
  color: var(--white);
}
.btn-teal:hover { background: var(--brand-teal-hover); transform: translateY(-2px); }
.btn-accent {
  background: var(--brand-gold);
  color: var(--brand-navy);
}
.btn-accent:hover { background: var(--brand-gold-hover); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--brand-teal);
  color: var(--brand-teal);
}
.btn-outline:hover { background: var(--brand-teal); color: var(--white); }
.btn-navy {
  background: var(--brand-navy);
  color: var(--white);
}
.btn-navy:hover { background: var(--brand-navy-dark); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* Promo Banner (cintilla) */
.promo-banner {
  background: var(--brand-teal);
  color: var(--white);
  text-align: center;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  z-index: 1001;
}
.promo-banner a { color: var(--brand-gold); text-decoration: underline; }
.promo-banner .close-banner {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0.8;
}
.promo-banner .close-banner:hover { opacity: 1; }

/* Promo Popup */
.promo-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.promo-popup-overlay.active {
  opacity: 1;
  visibility: visible;
}
.promo-popup {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 440px;
  width: 90%;
  padding: 36px 32px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: var(--transition);
}
.promo-popup-overlay.active .promo-popup { transform: scale(1); }
.promo-popup h3 { margin-bottom: 12px; font-size: 1.4rem; }
.promo-popup p { margin-bottom: 24px; color: var(--muted); }
.promo-popup .close-popup {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--muted);
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #25d366;
  color: var(--white);
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 9999;
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1) rotate(6deg);
  color: var(--white);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--brand-navy);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-teal);
  box-shadow: 0 0 0 3px rgba(0, 151, 167, 0.15);
}

/* Badges de estado */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-cotizacion { background: #e0e7ff; color: #3730a3; }
.badge-solicitado { background: #fef3c7; color: #92400e; }
.badge-aprobado { background: #d1fae5; color: #065f46; }
.badge-enviado { background: #cffafe; color: #0e7490; }
.badge-entregado { background: #dcfce7; color: #166534; }
.badge-cancelado { background: #fee2e2; color: #991b1b; }

/* Responsive helpers */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .btn { padding: 10px 18px; font-size: 0.88rem; }
}