/* ============================================================
   Paleta: escala de verdes (salvia, bosque, hoja)
   ============================================================ */
:root {
  --salvia-claro: #f1f5ef;    /* fondo principal */
  --salvia-oscuro: #e2eadd;   /* fondo alterno */
  --verde: #2f7a4d;           /* acento principal */
  --verde-oscuro: #245e3c;    /* hover */
  --bosque: #1e3d2c;          /* títulos y textos fuertes */
  --texto: #33463a;           /* texto general */
  --blanco: #ffffff;
  --sombra: 0 8px 24px rgba(46, 76, 61, 0.12);
  --radio: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--texto);
  background: var(--salvia-claro);
  line-height: 1.6;
}

.container {
  width: min(100% - 2rem, 1080px);
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: "Playfair Display", serif;
  color: var(--bosque);
  line-height: 1.2;
}

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

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

/* ======================= NAVEGACIÓN ======================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(241, 245, 239, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(46, 76, 61, 0.12);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bosque);
}

.nav__menu ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav__menu a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--texto);
  padding: 0.35rem 0;
  position: relative;
}

/* Subrayado animado en hover */
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--verde);
  transition: width 0.25s ease;
}

.nav__menu a:hover::after,
.nav__menu a:focus-visible::after {
  width: 100%;
}

/* Botón hamburguesa (solo visible en móvil) */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.nav__toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--bosque);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ======================= HERO ======================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 3rem;
  background:
    radial-gradient(circle at 85% 20%, rgba(47, 122, 77, 0.14), transparent 45%),
    radial-gradient(circle at 10% 85%, rgba(47, 122, 77, 0.10), transparent 40%),
    var(--salvia-claro);
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--verde);
  margin-bottom: 0.75rem;
}

.hero__title {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-style: italic;
}

.hero__subtitle {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 600;
  color: var(--bosque);
  margin-bottom: 1.25rem;
}

.hero__text {
  max-width: 46ch;
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* ======================= SECCIONES ======================= */
.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--salvia-oscuro);
}

.section__title {
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin-bottom: 0.5rem;
}

.section__lead {
  max-width: 55ch;
  margin-bottom: 2.5rem;
  color: var(--bosque);
}

.subsection__title {
  font-size: 1.3rem;
  margin: 2rem 0 1rem;
}

/* ======================= TARJETAS ======================= */
.card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.75rem;
}

.card--split {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: center;
}

.card__media {
  font-size: 3.5rem;
  text-align: center;
}

.card__body p {
  font-size: 1.05rem;
}

/* ======================= TECNOLOGÍAS ======================= */
.techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
}

.techs li {
  background: var(--blanco);
  border: 1px solid rgba(46, 76, 61, 0.18);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bosque);
}

/* ======================= PROYECTOS ======================= */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.project {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(46, 76, 61, 0.18);
}

.project__name {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  color: var(--bosque);
  margin-bottom: 0.5rem;
}

.project__desc {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.project__stack {
  font-size: 0.8rem;
  color: var(--verde);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ======================= PERRITOS ======================= */
.pets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.pet {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s ease;
}

.pet:hover {
  transform: translateY(-4px);
}

.pet__emoji {
  font-size: 3.2rem;
  margin-bottom: 0.5rem;
}

.pet__name {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--bosque);
}

.pet__desc {
  font-size: 0.92rem;
}

/* ======================= MATE ======================= */
.mate__text {
  max-width: 60ch;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.mate__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
}

.mate__fact {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.5rem;
  text-align: center;
}

.mate__fact span {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--verde);
  margin-bottom: 0.35rem;
}

.mate__fact p {
  font-size: 0.95rem;
}

/* ======================= CONTACTO ======================= */
.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ======================= BOTONES ======================= */
.btn {
  display: inline-block;
  background: var(--verde);
  color: var(--blanco);
  font-weight: 700;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  border: 2px solid var(--verde);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  background: var(--verde-oscuro);
  border-color: var(--verde-oscuro);
}

.btn--ghost {
  background: transparent;
  color: var(--bosque);
}

.btn--ghost:hover {
  background: var(--verde);
  border-color: var(--verde);
  color: var(--blanco);
}

/* ======================= FOOTER ======================= */
.footer {
  background: var(--bosque);
  color: var(--salvia-claro);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.95rem;
}

/* ======================= ANIMACIÓN DE ENTRADA ======================= */
/* Elementos con .reveal aparecen al entrar al viewport (Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ======================= GALERÍA (link) ======================= */
.gallery-link {
  margin-top: 2rem;
  text-align: center;
}

/* ======================= CARRUSEL ======================= */
.carousel {
  position: relative;
  max-width: 860px;
  margin-inline: auto;
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1rem;
}

.carousel__viewport {
  overflow: hidden;
  border-radius: calc(var(--radio) - 6px);
  aspect-ratio: 4 / 3;
}

.carousel__track {
  display: flex;
  height: 100%;
  transition: transform 0.45s ease;
}

.carousel__slide {
  flex: 0 0 100%;
  height: 100%;
}

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

/* Botones anterior/siguiente */
.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--verde);
  color: var(--blanco);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(46, 76, 61, 0.25);
  transition: background 0.2s ease, transform 0.2s ease;
}

.carousel__btn:hover {
  background: var(--verde-oscuro);
  transform: translateY(-50%) scale(1.05);
}

.carousel__btn--prev {
  left: -22px;
}

.carousel__btn--next {
  right: -22px;
}

/* Puntos de navegación */
.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(46, 76, 61, 0.25);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, transform 0.2s ease;
}

.carousel__dot:hover {
  background: rgba(46, 76, 61, 0.5);
}

.carousel__dot.is-active {
  background: var(--verde);
  transform: scale(1.25);
}

/* Contador de fotos */
.carousel__counter {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bosque);
  margin-top: 0.6rem;
}

/* ======================= RESPONSIVE (móvil) ======================= */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--salvia-claro);
    border-bottom: 1px solid rgba(46, 76, 61, 0.12);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav__menu.is-open {
    max-height: 320px;
  }

  .nav__menu ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
  }

  .nav__menu li {
    padding: 0.25rem 0;
  }

  .card--split {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero {
    padding-top: 7rem;
  }

  .carousel {
    padding: 0.5rem;
  }

  .carousel__btn--prev {
    left: 6px;
  }

  .carousel__btn--next {
    right: 6px;
  }
}

/* Respeto reducción de animaciones (accesibilidad) */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}