:root {
    --verde-900: #174c2d;
    --verde-700: #237a3b;
    --verde-500: #49a85e;
    --verde-100: #e9f5e6;
    --fondo: #f6f9f3;
    --texto: #243029;
    --borde: #dce7d8;
    --blanco: #fff;
    --sombra: 0 12px 35px rgba(23, 76, 45, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--texto);
    background: var(--fondo);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.55;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 { color: var(--verde-900); }
p { font-size: 1rem; }
button, input, select, textarea { font: inherit; }

.navbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    min-height: 72px;
    padding: 14px clamp(20px, 5vw, 72px);
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 2px 14px rgba(20, 55, 30, .08);
    backdrop-filter: blur(8px);
}
.logo { color: var(--verde-700); font-size: 1.25rem; font-weight: 800; text-decoration: none; }
.menu { display: flex; flex-wrap: wrap; gap: 24px; }
.menu a { color: #34483a; font-weight: 650; text-decoration: none; }
.menu a:hover { color: var(--verde-700); }

.hero {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 50px;
    max-width: 1200px;
    min-height: 580px;
    margin: 0 auto;
    padding: 64px clamp(24px, 5vw, 64px);
}
.hero-texto { max-width: 650px; }
.bienvenida { color: var(--verde-700); font-weight: 750; }
.hero h1 { margin-bottom: 24px; font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.06; }
.hero h1 span { color: var(--verde-500); }
.descripcion { max-width: 580px; color: #4b5b50; font-size: 1.1rem; }
.hero-botones { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
button, .boton-principal {
    border: 0;
    border-radius: 10px;
    padding: 13px 22px;
    color: var(--blanco);
    background: var(--verde-700);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s ease, background .15s ease;
}
button:hover, .boton-principal:hover { background: var(--verde-900); transform: translateY(-1px); }
.hero-botones .boton-secundario { color: var(--verde-700); background: var(--blanco); border: 2px solid var(--verde-700); }
.mascotas { color: #56645a; }
.hero-imagen { display: grid; place-items: center; }
.circulo-imagen { width: min(430px, 100%); aspect-ratio: 1; overflow: hidden; border: 16px solid #dfeeca; border-radius: 50%; }
.circulo-imagen img { width: 100%; height: 100%; object-fit: cover; }

.servicios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1120px;
    margin: 20px auto 70px;
    padding: 0 24px;
}
.servicio, .testimonio {
    padding: 28px;
    text-align: center;
    background: var(--blanco);
    border: 1px solid var(--borde);
    border-radius: 18px;
    box-shadow: var(--sombra);
}
.servicio img { width: 150px; height: 150px; object-fit: contain; }
.servicio h3, .testimonio h3 { color: var(--verde-700); }

.quienes-somos {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 46px;
    max-width: 1100px;
    margin: 70px auto;
    padding: clamp(28px, 5vw, 50px);
    background: var(--blanco);
    border-radius: 20px;
    box-shadow: var(--sombra);
}
.texto-quienes h2, .testimonios h2, .contacto-final h2 { font-size: 2rem; }
.texto-quienes > p, .caracteristicas p { text-align: left; }
.caracteristicas h3 { margin-bottom: 4px; color: var(--verde-700); }
.imagen-quienes img { display: block; width: 100%; border-radius: 18px; }

.testimonios { max-width: 1160px; margin: 70px auto; padding: 0 24px; text-align: center; }
.contenedor-testimonios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.comillas { height: 35px; color: var(--verde-500); font-size: 3rem; line-height: 1; }
.testimonio img { width: 100%; height: 220px; margin-top: 14px; object-fit: cover; border-radius: 12px; }

.contacto-final { max-width: 1100px; margin: 70px auto; padding: 42px 28px; text-align: center; background: var(--blanco); border-radius: 20px; box-shadow: var(--sombra); }
.datos-contacto { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin: 32px 0; }
.datos-contacto h3 { color: var(--verde-700); }

.pagina-formulario { width: min(680px, calc(100% - 32px)); margin: 48px auto 80px; }
.pagina-formulario > h1, .texto-cita { text-align: center; }
.formulario-cita, .confirmacion { padding: clamp(24px, 6vw, 42px); background: var(--blanco); border: 1px solid var(--borde); border-radius: 18px; box-shadow: var(--sombra); }
.formulario-cita label { display: block; margin: 16px 0 6px; color: #304438; font-weight: 700; }
.formulario-cita input, .formulario-cita select, .formulario-cita textarea {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid #bdcdbf;
    border-radius: 9px;
    color: var(--texto);
    background: #fff;
}
.formulario-cita input:focus, .formulario-cita select:focus, .formulario-cita textarea:focus { outline: 3px solid rgba(73, 168, 94, .18); border-color: var(--verde-500); }
.formulario-cita textarea { min-height: 110px; resize: vertical; }
.formulario-cita > button { width: 100%; margin-top: 24px; }
.campos-en-linea { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.boton-regresar { display: block; margin-top: 16px; color: var(--verde-700); text-align: center; font-weight: 700; }
.mensaje-error { margin: 18px 0; padding: 13px 16px; color: #842029; background: #f8d7da; border: 1px solid #f1aeb5; border-radius: 9px; }
.confirmacion { text-align: center; }
.confirmacion-icono { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 20px; color: #fff; background: var(--verde-500); border-radius: 50%; font-size: 2rem; font-weight: 800; }
.resumen-cita { margin: 28px 0; text-align: left; border-top: 1px solid var(--borde); }
.resumen-cita div { display: grid; grid-template-columns: 130px 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--borde); }
.resumen-cita dt { font-weight: 750; }
.resumen-cita dd { margin: 0; overflow-wrap: anywhere; }
.lista-pruebas { display: grid; gap: 12px; margin: 28px 0; text-align: left; }
.prueba { display: grid; gap: 4px; padding: 14px 16px; border-radius: 10px; }
.prueba span { font-size: .94rem; overflow-wrap: anywhere; }
.prueba.correcta { color: #185b2d; background: #e5f5e9; border: 1px solid #a9d8b3; }
.prueba.incorrecta { color: #842029; background: #f8d7da; border: 1px solid #f1aeb5; }

@media (max-width: 800px) {
    .hero, .quienes-somos { grid-template-columns: 1fr; text-align: center; }
    .hero { padding-top: 44px; }
    .hero-texto { margin: auto; }
    .hero-botones { justify-content: center; }
    .servicios, .contenedor-testimonios { grid-template-columns: 1fr; }
    .datos-contacto { grid-template-columns: 1fr; }
    .menu { justify-content: center; gap: 12px 18px; }
    .navbar { position: static; flex-direction: column; }
}
@media (max-width: 520px) {
    .campos-en-linea { grid-template-columns: 1fr; gap: 0; }
    .resumen-cita div { grid-template-columns: 1fr; gap: 2px; }
}