/* ==========================================================================
   fernandosalom.es — "Grafo".
   Una sola pantalla. Detrás, un grafo de dependencias vivo que fluye hacia
   el centro; delante, el nombre, dos líneas y dos enlaces.
   ========================================================================== */

:root {
  color-scheme: dark;
  --bg:      #0e2a24;   /* verde bosque */
  --fg:      #f4eee1;   /* crema */
  --fg-2:    #a8bfb3;   /* salvia apagado */
  --gold:    #d8a95a;
  --gold-2:  #ead2a0;
  --serif: "Fraunces", Georgia, serif;
  --sans:  "Jost", ui-sans-serif, system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.5;
  overflow-x: hidden;            /* una pantalla, pero si no cabe, se puede bajar */
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; border-radius: 999px; }

/* Grafo ------------------------------------------------------------------- */
#grafo {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Un velo radial para que el texto siempre gane al grafo */
.veil {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 55% 60% at 50% 48%, rgba(14, 42, 36, 0.82), rgba(14, 42, 36, 0) 70%);
}

/* Escena ------------------------------------------------------------------ */
.scene {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.top, .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--fg-2);
}
.top a, .bottom a { text-decoration: none; }
.top a:hover, .bottom a:hover { color: var(--fg); }

.center {
  display: grid;
  place-content: center;
  text-align: center;
  gap: 1.5rem;
}

/* Nombre: cada letra entra por su cuenta ------------------------------------ */
.name {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.5rem, 12vw, 11rem);
  font-weight: 800;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.name .w { display: block; white-space: nowrap; }   /* cada palabra, entera y en su línea */
.name .w span { display: inline-block; }

@media (prefers-reduced-motion: no-preference) {
  .name .w span {
    opacity: 0;
    transform: translateY(0.35em) rotate(2deg);
    animation: rise 0.9s cubic-bezier(0.2, 0.9, 0.2, 1) forwards;
    animation-delay: calc(0.12s + var(--i) * 45ms);
  }
  @keyframes rise { to { opacity: 1; transform: none; } }

  .intro, .links { opacity: 0; animation: fade 0.8s ease forwards; }
  .intro { animation-delay: 0.85s; }
  .links { animation-delay: 1.05s; }
  @keyframes fade { to { opacity: 1; } }
}

/* Introducción ------------------------------------------------------------ */
.intro { display: grid; gap: 0.4rem; color: var(--fg-2); font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem); }
.intro p { margin: 0; }
.intro .kinetic { color: var(--fg); font-weight: 500; }

/* La palabra que gira */
.rot {
  display: inline-grid;
  vertical-align: baseline;      /* comparte línea base con «Construyo» */
  text-align: left;
  color: var(--gold-2);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  font-size: 1.2em;
}
.rot span {
  grid-area: 1 / 1;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(0.35em);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.rot span[aria-hidden="false"] { opacity: 1; transform: none; }

/* Enlaces: dos píldoras que se acercan al cursor ----------------------------- */
.links { display: flex; justify-content: center; gap: 0.9rem; flex-wrap: wrap; margin-top: 0.5rem; }

.pill {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  border: 1px solid rgba(216, 169, 90, 0.45);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.25s cubic-bezier(0.2, 0.9, 0.2, 1);
  will-change: transform;
}
.pill::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-101%);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.2, 1);
  z-index: -1;
}
.pill:hover { border-color: var(--gold); color: #1b1a14; }
.pill:hover::before { transform: none; }
.pill svg { width: 18px; height: 18px; fill: currentColor; }

@media (max-width: 640px) {
  .name { font-size: clamp(3rem, 15vw, 6rem); }
  /* En estrecho, la frase baja a su propia línea y puede partirse. */
  .rot { display: grid; text-align: center; margin-top: 0.1em; }
  .rot span { white-space: normal; }
  .top, .bottom { font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .rot span { transition: none; }
  .pill, .pill::before { transition: none; }
}