/* ==========================================================================
   PORTFOLIO — victormedina.cc
   Paleta "verano suave": coral, verde mar, arena y azul pizarra.
   ✏️ Para cambiar los colores del sitio, edita solo las variables de abajo.
   ========================================================================== */

/* ---------- Tema claro (por defecto) ---------- */
:root {
  /* Colores de marca */
  --color-primario: #e07856;        /* coral suave — botones y acentos */
  --color-primario-hover: #c96547;
  --color-secundario: #3d8b7d;      /* verde mar — enlaces y detalles */
  --color-acento: #f2c14e;          /* amarillo arena — toques puntuales */

  /* Superficies y texto */
  --color-fondo: #fdfaf5;           /* blanco arena */
  --color-fondo-alterno: #f6efe4;   /* arena un punto más oscura */
  --color-superficie: #ffffff;      /* tarjetas */
  --color-texto: #3b4552;           /* azul pizarra oscuro */
  --color-texto-suave: #6b7684;
  --color-borde: #e8dfd0;

  --sombra: 0 4px 16px rgba(59, 69, 82, 0.08);
  --sombra-hover: 0 10px 28px rgba(59, 69, 82, 0.14);
  --radio: 14px;

  color-scheme: light;
}

/* ---------- Tema oscuro ---------- */
:root[data-theme="dark"] {
  --color-primario: #ef9273;
  --color-primario-hover: #f4a98f;
  --color-secundario: #6fbfae;
  --color-acento: #f2c14e;

  --color-fondo: #1c222b;
  --color-fondo-alterno: #232a35;
  --color-superficie: #2a323e;
  --color-texto: #e8e6e1;
  --color-texto-suave: #a5adb8;
  --color-borde: #3a4350;

  --sombra: 0 4px 16px rgba(0, 0, 0, 0.3);
  --sombra-hover: 0 10px 28px rgba(0, 0, 0, 0.45);

  color-scheme: dark;
}

/* ---------- Reset básico ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

/* Respeta a quien prefiere menos movimiento (accesibilidad) */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  background: var(--color-fondo);
  color: var(--color-texto);
  line-height: 1.65;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-secundario); }
a:hover { color: var(--color-primario); }

/* Foco visible para navegación con teclado */
:focus-visible {
  outline: 3px solid var(--color-acento);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(1080px, 100% - 3rem);
  margin-inline: auto;
}

/* ---------- Enlace "saltar al contenido" (accesibilidad) ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-primario);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radio) var(--radio);
  z-index: 100;
  text-decoration: none;
}
.skip-link:focus { top: 0; color: #fff; }

/* ==========================================================================
   NAVEGACIÓN
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-fondo) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-borde);
}

.nav {
  width: min(1080px, 100% - 3rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
}

.nav__logo {
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--color-texto);
  letter-spacing: -0.02em;
}
.nav__logo-dot { color: var(--color-primario); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav__menu a {
  text-decoration: none;
  color: var(--color-texto-suave);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.nav__menu a:hover,
.nav__menu a.activo { color: var(--color-primario); }

/* Botón de tema claro/oscuro */
.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-borde);
  border-radius: 50%;
  background: var(--color-superficie);
  color: var(--color-texto);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.theme-toggle:hover { transform: rotate(15deg); border-color: var(--color-primario); }

/* Muestra sol o luna según el tema activo */
.theme-toggle__icon--moon { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--sun { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--moon { display: block; }

/* Botón hamburguesa (solo visible en móvil) */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle-bar {
  width: 24px;
  height: 2.5px;
  background: var(--color-texto);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
/* Animación hamburguesa → X */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding-block: clamp(5rem, 14vh, 9rem) clamp(7rem, 16vh, 11rem);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 15% 10%, color-mix(in srgb, var(--color-acento) 18%, transparent), transparent),
    radial-gradient(ellipse 50% 45% at 85% 20%, color-mix(in srgb, var(--color-secundario) 14%, transparent), transparent);
}

.hero__saludo {
  font-size: 1.1rem;
  color: var(--color-secundario);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hero__nombre {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero__titulo {
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  color: var(--color-primario);
  font-weight: 700;
  margin-top: 0.6rem;
}

.hero__frase {
  max-width: 34rem;
  margin: 1.2rem auto 0;
  color: var(--color-texto-suave);
  font-size: 1.05rem;
}

.hero__acciones {
  margin-top: 2.2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Olas decorativas al pie del hero */
.hero__olas {
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  color: var(--color-fondo-alterno);
  line-height: 0;
}
.hero__olas svg { width: 100%; height: clamp(40px, 8vw, 90px); }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.7rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sombra-hover); }

.btn--primario { background: var(--color-primario); color: #fff; }
.btn--primario:hover { background: var(--color-primario-hover); color: #fff; }

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

/* ==========================================================================
   SECCIONES (estructura común)
   ========================================================================== */
.seccion { padding-block: clamp(4rem, 10vh, 6.5rem); }
.seccion--alterna { background: var(--color-fondo-alterno); }

.seccion__titulo {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}
.seccion__titulo--centrado { text-align: center; }
.seccion__numero {
  color: var(--color-primario);
  font-size: 0.7em;
  vertical-align: 0.25em;
  margin-right: 0.3rem;
}

/* Animación de entrada al hacer scroll (se activa desde script.js) */
.seccion .container {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.seccion .container.visible { opacity: 1; transform: none; }
/* Si JS no carga, el contenido se muestra igualmente */
.no-observer .seccion .container { opacity: 1; transform: none; }

/* ==========================================================================
   SOBRE MÍ
   ========================================================================== */
.sobre-mi {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: center;
}

.sobre-mi__texto p + p { margin-top: 1rem; }
.sobre-mi__texto { color: var(--color-texto-suave); font-size: 1.05rem; }

.sobre-mi__foto-marco {
  position: relative;
  justify-self: center;
}
.sobre-mi__foto {
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  max-width: 320px;
}
/* Marco decorativo desplazado detrás de la foto */
.sobre-mi__foto-marco::after {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 3px solid var(--color-acento);
  border-radius: var(--radio);
  z-index: -1;
}

/* ==========================================================================
   PROYECTOS
   ========================================================================== */
.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.8rem;
}

.proyecto {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.proyecto:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }

.proyecto__imagen { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }

.proyecto__cuerpo {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  flex: 1;
}

.proyecto__titulo { font-size: 1.2rem; font-weight: 700; }
.proyecto__descripcion { color: var(--color-texto-suave); font-size: 0.95rem; flex: 1; }

.proyecto__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}
.proyecto__tags li {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-secundario) 14%, transparent);
  color: var(--color-secundario);
}

.proyecto__enlaces { display: flex; gap: 1.2rem; }
.proyecto__enlaces a {
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}
.proyecto__enlaces a:hover { text-decoration: underline; }

/* ==========================================================================
   HABILIDADES
   ========================================================================== */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.8rem;
}

.skills__grupo {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 1.6rem;
  box-shadow: var(--sombra);
}

.skills__grupo-titulo {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-secundario);
}

.skills__lista {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
}
.skills__lista li {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  background: color-mix(in srgb, var(--color-primario) 12%, transparent);
  color: var(--color-texto);
  border: 1px solid color-mix(in srgb, var(--color-primario) 25%, transparent);
}

/* ==========================================================================
   EXPERIENCIA (línea de tiempo)
   ========================================================================== */
.timeline {
  list-style: none;
  position: relative;
  padding-left: 2rem;
  max-width: 46rem;
}
/* Línea vertical */
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--color-secundario) 35%, transparent);
}

.timeline__item { position: relative; padding-bottom: 2.2rem; }
.timeline__item:last-child { padding-bottom: 0; }

/* Punto de cada hito */
.timeline__item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--color-primario);
  border: 3px solid var(--color-fondo-alterno);
}

.timeline__fecha {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-secundario);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline__puesto { font-size: 1.15rem; font-weight: 700; margin-top: 0.2rem; }
.timeline__empresa { color: var(--color-primario); }
.timeline__descripcion { color: var(--color-texto-suave); margin-top: 0.4rem; }

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contacto { text-align: center; }

.contacto__texto {
  max-width: 30rem;
  margin: 0 auto 2rem;
  color: var(--color-texto-suave);
  font-size: 1.05rem;
}

.contacto__email { font-size: 1.05rem; }

.contacto__redes {
  margin-top: 2.2rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.contacto__red {
  font-weight: 600;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}
.contacto__red:hover { border-bottom-color: var(--color-primario); }

/* ==========================================================================
   PIE DE PÁGINA
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-borde);
  padding-block: 1.6rem;
  text-align: center;
  color: var(--color-texto-suave);
  font-size: 0.9rem;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablet */
@media (max-width: 820px) {
  .sobre-mi { grid-template-columns: 1fr; }
  .sobre-mi__foto-marco { order: -1; }
}

/* Móvil: menú hamburguesa */
@media (max-width: 640px) {
  .nav__toggle { display: flex; }

  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    padding: 1.5rem;
    background: var(--color-fondo);
    border-bottom: 1px solid var(--color-borde);
    box-shadow: var(--sombra);

    /* Oculto por defecto; .abierto lo muestra (ver script.js) */
    display: none;
  }
  .nav__menu.abierto { display: flex; }

  .hero__acciones { flex-direction: column; align-items: center; }
  .btn { width: min(280px, 100%); text-align: center; }
}