/*
  style.css
  Estilos base y de layout de todas las secciones del sitio
  (reset, tipografía general, header, hero, beneficios, servicios,
  planes, testimonios, faq, footer, etc.)

  Se importa DESPUÉS de variables.css, para poder usar var(--color-primario).

  Pendiente: se completa en el Paso 3 (CSS).
*/

/* -------------------------------------------------- */
/* Reset base                                          */
/* -------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-principal);
  color: var(--color-texto);
  background: var(--color-fondo-general);
  line-height: 1.5;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* -------------------------------------------------- */
/* Botones                                             */
/* -------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-fondo-general);
  box-shadow: var(--shadow-sm);
}

.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primario);
  color: var(--color-primario);
}

.btn--outline:hover {
  background: var(--color-hover-oscuro);
  border-color: var(--color-hover-oscuro);
  color: var(--color-fondo-general);
}

.btn__icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.btn--small {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
}

/* -------------------------------------------------- */
/* Header del sitio                                    */
/* -------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-fondo-general);
  border-bottom: 1px solid var(--color-fondo-calido);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--color-texto);
  flex-shrink: 0;
}

.site-header__logo img {
  height: 34px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-texto);
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--color-primario);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.header-panel-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primario);
}

.header-panel-link:hover {
  color: var(--color-hover-oscuro);
  text-decoration: underline;
}

/* -------------------------------------------------- */
/* Componentes compartidos entre secciones             */
/* -------------------------------------------------- */

.section {
  padding-block: var(--space-8);
}

.section-header {
  max-width: 640px;
  margin: 0 auto var(--space-6);
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primario);
  background: var(--color-fondo-calido);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: clamp(1.75rem, 2vw + 1.25rem, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-2);
}

.section-subtitle {
  font-size: 1.05rem;
  color: rgba(28, 32, 23, 0.72);
  line-height: 1.6;
  margin: 0;
}

/* -------------------------------------------------- */
/* Layout de 2 columnas (reutilizable: Hero,           */
/* Sobre Vitabu, etc.)                                 */
/* -------------------------------------------------- */

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

/* -------------------------------------------------- */
/* Marco de imagen + anillo de marca (reutilizable)    */
/* -------------------------------------------------- */

.visual-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: var(--color-secundario);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  z-index: 1;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-ring {
  position: absolute;
  width: 120%;
  height: 120%;
  z-index: 0;
}

.brand-ring-track {
  fill: none;
  stroke: var(--color-primario);
  stroke-width: 2;
  stroke-dasharray: 3 12;
  opacity: 0.25;
}

.brand-ring-progress {
  fill: none;
  stroke: var(--color-primario);
  stroke-width: 5;
  stroke-linecap: round;
  opacity: 0.9;
  /* Arco parcial (~52% del círculo); el "dibujo" al hacer scroll está en animations.css */
  stroke-dasharray: 620 1194;
  transform-origin: 200px 200px;
  transform: rotate(-125deg);
}

/* -------------------------------------------------- */
/* Hero                                                */
/* -------------------------------------------------- */

.hero {
  padding-block: var(--space-8);
  background: linear-gradient(180deg, var(--color-fondo-general) 0%, var(--color-fondo-calido) 100%);
}

.hero__title {
  font-size: clamp(2.25rem, 4vw + 1rem, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-2);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(28, 32, 23, 0.72);
  line-height: 1.6;
  max-width: 38ch;
  margin: 0 0 var(--space-4);
}

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

/* -------------------------------------------------- */
/* Card grid (reutilizable: Beneficios, Servicios,     */
/* Testimonios, etc.)                                  */
/* -------------------------------------------------- */

.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.card {
  flex: 1 1 260px;
  max-width: 320px;
  background: var(--color-fondo-calido);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-secundario);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.icon-benefit {
  width: 26px;
  height: 26px;
  color: var(--color-primario);
  fill: none;
  stroke: var(--color-primario);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.card__text {
  font-size: 0.9375rem;
  color: rgba(28, 32, 23, 0.72);
  line-height: 1.55;
  margin: 0;
}

/* -------------------------------------------------- */
/* Servicios                                           */
/* -------------------------------------------------- */

.servicios {
  background: var(--color-fondo-general);
}

/* Para íconos que ya son una imagen completa (círculo + trazo incluido),
   a diferencia de .card__icon que dibuja el círculo en CSS alrededor de un SVG */
.card__icon-img {
  display: block;
  margin-bottom: var(--space-2);
}

/* -------------------------------------------------- */
/* Beneficios                                          */
/* -------------------------------------------------- */

.beneficios {
  background: var(--color-fondo-general);
}

/* -------------------------------------------------- */
/* Planes                                              */
/* -------------------------------------------------- */

.planes {
  background: var(--color-fondo-calido);
}

.card--plan {
  flex: 1 1 260px;
  max-width: 320px;
  background: var(--color-fondo-general);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card--plan:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card--plan .btn {
  align-self: center;
}

/* Plan destacado: fondo oscuro (Forest Deep) y un poco más grande */
.card--plan--featured {
  background: var(--color-hover-oscuro);
  color: var(--color-fondo-general);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.card--plan--featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.plan-badge {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--color-secundario);
  color: var(--color-hover-oscuro);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}

.card--plan__name {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 var(--space-3);
}

.plan-checklist {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.6rem;
  text-align: left;
}

.plan-checklist li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9375rem;
  font-style: italic;
  opacity: 0.55;
}

.icon-check-empty {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

/* -------------------------------------------------- */
/* Sobre Vitabu                                        */
/* -------------------------------------------------- */

.sobre-vitabu {
  background: var(--color-fondo-general);
}

.sobre-vitabu__text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(28, 32, 23, 0.8);
  margin: 0 0 var(--space-3);
  max-width: 52ch;
}

.sobre-vitabu__text:last-child {
  margin-bottom: 0;
}

/* -------------------------------------------------- */
/* Preguntas frecuentes                                */
/* -------------------------------------------------- */

.faq {
  background: var(--color-fondo-calido);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq__layout {
  align-items: start;
}

.faq-item {
  background: var(--color-fondo-general);
  border-radius: var(--radius-md);
  padding-inline: var(--space-3);
  box-shadow: var(--shadow-sm);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: var(--space-3);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
}

/* Ocultar la flecha nativa del <summary> (Chrome/Safari y Firefox) */
.faq-item__question::-webkit-details-marker {
  display: none;
}
.faq-item__question::marker {
  content: "";
}

.faq-item__question:hover {
  color: var(--color-primario);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  stroke: var(--color-primario);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.faq-item__answer {
  padding-bottom: var(--space-3);
}

.faq-item__answer p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(28, 32, 23, 0.75);
}

.faq-contact {
  /* .contact-form-wrapper trae padding-top de 48px (pensado para Contacto,
     donde va solo). Acá, al lado de la lista de preguntas, ese padding de
     más hacía que el título arrancara más abajo que la primera pregunta. */
  padding-top: var(--space-3);
}

.faq-contact .card__text {
  margin-bottom: var(--space-3);
}

/* -------------------------------------------------- */
/* Contacto / Formulario                               */
/* -------------------------------------------------- */

.contacto {
  background: var(--color-fondo-general);
}

.contact-form-wrapper {
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-fondo-calido);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  box-shadow: var(--shadow-sm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-form__row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-form__row > .form-field {
  flex: 1 1 200px;
}

.contact-form__row > .form-field--full {
  flex-basis: 100%;
}

.form-field label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-texto);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-principal);
  font-size: 1rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  background: var(--color-fondo-general);
  color: var(--color-texto);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 96px;
  font-family: var(--font-principal);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primario);
  box-shadow: 0 0 0 3px rgba(74, 90, 51, 0.15);
}

.contact-form__submit {
  align-self: flex-start;
  margin-top: var(--space-2);
  border: none;
}

/* -------------------------------------------------- */
/* Footer del sitio                                    */
/* -------------------------------------------------- */

.site-footer {
  background: var(--color-hover-oscuro);
  color: var(--color-fondo-general);
  padding-block: var(--space-6);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.site-footer__logo {
  height: 44px;
  width: auto;
  opacity: 0.95;
}

.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.site-footer__social a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-fondo-general);
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.site-footer__social a:hover {
  opacity: 1;
}

.site-footer__rights {
  font-size: 0.8125rem;
  opacity: 0.65;
  margin: 0;
}