/* ============================================================
   Fundación Alanys Mideilis Rivera Rodriguez — "Vivir Mi Vida"
   Paleta: noche caribeña + atardecer (coral, ambar, magenta)
   ============================================================ */

:root{
  --night-1: #1a0e2b;
  --night-2: #2a1240;
  --night-3: #170a22;
  --coral:   #ff6b4a;
  --amber:   #ffb454;
  --magenta: #e8497e;
  --cream:   #fbf2e6;
  --cream-dim: rgba(251,242,230,0.68);

  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body: 'Manrope', ui-sans-serif, system-ui, sans-serif;

  --aura-lvl: 0.18; /* nivel de audio 0..1, actualizado por JS */
}

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

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(120% 90% at 50% -10%, var(--night-2) 0%, var(--night-1) 55%, var(--night-3) 100%);
  color: var(--cream);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection{ background: var(--magenta); color: var(--cream); }

a{ color: inherit; }

button{ font-family: inherit; cursor: pointer; }

:focus-visible{
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Fondo de partículas ---------- */
#particles{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ---------- Aro de luz reactivo a la música ---------- */
#aura{
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.aura-edge{
  position: absolute;
  background: linear-gradient(90deg, var(--coral), var(--amber), var(--magenta));
  filter: blur(18px);
  opacity: var(--aura-lvl);
  transition: opacity .08s linear;
}
.aura-top, .aura-bottom{ left: 0; right: 0; height: 6px; }
.aura-left, .aura-right{ top: 0; bottom: 0; width: 6px; }
.aura-top{ top: 0; }
.aura-bottom{ bottom: 0; }
.aura-left{ left: 0; background: linear-gradient(180deg, var(--coral), var(--amber), var(--magenta)); }
.aura-right{ right: 0; background: linear-gradient(180deg, var(--magenta), var(--amber), var(--coral)); }

/* ================= Portal de entrada ================= */
.gate{
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(80% 60% at 50% 45%, var(--night-2) 0%, var(--night-1) 70%, var(--night-3) 100%);
  transition: opacity 1.1s ease, visibility 1.1s ease;
}
.gate.gate-hidden{
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.gate-glow{
  position: absolute;
  width: min(70vw, 620px);
  height: min(70vw, 620px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,74,0.35), rgba(232,73,126,0.12) 45%, transparent 70%);
  filter: blur(10px);
  animation: pulse-glow 4.5s ease-in-out infinite;
}
@keyframes pulse-glow{
  0%,100%{ transform: scale(1); opacity: .8; }
  50%{ transform: scale(1.12); opacity: 1; }
}
.gate-inner{
  position: relative;
  text-align: center;
  padding: 2rem;
}
.eyebrow{
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: .32em;
  text-transform: uppercase;
  font-size: clamp(.7rem, 1.6vw, .85rem);
  color: var(--amber);
  margin: 0 0 .9rem;
}
.gate-title{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 7vw, 4rem);
  margin: 0 0 2rem;
  color: var(--cream);
}
.enter-btn{
  position: relative;
  padding: 1.05rem 2.6rem;
  border-radius: 999px;
  border: 1px solid rgba(251,242,230,0.35);
  background: transparent;
  color: var(--cream);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .06em;
  overflow: hidden;
  isolation: isolate;
  transition: color .4s ease, border-color .4s ease, transform .3s ease;
}
.enter-btn::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, var(--coral), var(--amber), var(--magenta));
  transform: translateX(-105%);
  transition: transform .5s cubic-bezier(.65,0,.35,1);
}
.enter-btn:hover::before,
.enter-btn:focus-visible::before{ transform: translateX(0); }
.enter-btn:hover, .enter-btn:focus-visible{
  color: var(--night-1);
  border-color: transparent;
  transform: translateY(-2px);
}
.gate-hint{
  margin: 1.4rem 0 0;
  font-size: .8rem;
  color: var(--cream-dim);
  letter-spacing: .04em;
}

/* ================= Sitio principal ================= */
.site{
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity 1.2s ease .2s;
}
.site.site-visible{ opacity: 1; }

.hero{
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6vh 6vw;
  position: relative;
}

.reveal-fade{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s ease, transform .8s ease;
}
.site-visible .reveal-fade{ opacity: 1; transform: translateY(0); }
.hero .eyebrow.reveal-fade{ transition-delay: .15s; }
#heroTagline{ transition-delay: .9s; }
.scroll-cue.reveal-fade{ transition-delay: 1.3s; }

.hero-name{
  margin: .2rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  font-size: clamp(2.1rem, 8.4vw, 6.4rem);
  letter-spacing: -0.01em;
  max-width: 20ch;
}
.hero-name .word{ display: inline-block; white-space: nowrap; margin: 0 .18em; }
.hero-name .letter{
  display: inline-block;
  opacity: 0;
  transform: translateY(.6em) rotate(4deg);
  filter: blur(6px);
  background: linear-gradient(100deg, var(--coral), var(--amber) 45%, var(--magenta) 90%);
  background-size: 260% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1), filter .7s ease;
  transition-delay: calc(var(--i) * 45ms + 120ms);
}
.site-visible .hero-name .letter{
  opacity: 1;
  transform: translateY(0) rotate(0deg);
  filter: blur(0);
  animation: shimmer 7s ease-in-out calc(var(--i) * 45ms + 1.2s) infinite;
}
@keyframes shimmer{
  0%, 100%{ background-position: 0% 50%; }
  50%{ background-position: 100% 50%; }
}

.hero-tagline{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  color: var(--cream-dim);
  margin: 0 0 2.6rem;
}

.sound-toggle{
  display: flex;
  align-items: flex-end;
  gap: 4px;
  width: 52px;
  height: 52px;
  padding: 14px;
  border-radius: 50%;
  border: 1px solid rgba(251,242,230,0.3);
  background: rgba(251,242,230,0.04);
  backdrop-filter: blur(6px);
  transition: border-color .3s ease, background .3s ease, transform .3s ease;
}
.sound-toggle:hover{ border-color: var(--amber); transform: translateY(-2px); }
.sound-toggle .bar{
  display: block;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--amber), var(--coral));
  height: 6px;
  transition: height .12s ease;
}
.sound-toggle.muted .bar{ height: 4px !important; opacity: .35; }

.scroll-cue{
  position: absolute;
  bottom: 4vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--cream-dim);
}
.scroll-cue span{
  width: 1px;
  height: 30px;
  background: linear-gradient(var(--cream-dim), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-cue span::after{
  content:"";
  position: absolute;
  top: -100%;
  left: 0; right: 0; height: 100%;
  background: linear-gradient(var(--amber), transparent);
  animation: cue-drip 2s ease-in-out infinite;
}
@keyframes cue-drip{
  0%{ top: -100%; }
  60%,100%{ top: 100%; }
}

/* ---------- Misión ---------- */
.mission{
  max-width: 1100px;
  margin: 0 auto;
  padding: 10vh 6vw 12vh;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.mission-card{
  position: relative;
  padding: 2.4rem 1.9rem 2rem;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(251,242,230,0.06), rgba(251,242,230,0.015));
  border: 1px solid rgba(251,242,230,0.1);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.2,.8,.2,1);
  transition-delay: calc(var(--d) * 120ms);
}
.mission-card.in-view{ opacity: 1; transform: translateY(0); }
.mission-index{
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 600;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,180,84,0.55);
  display: block;
  margin-bottom: .6rem;
}
.mission-card h2{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0 0 .7rem;
  color: var(--cream);
}
.mission-card p{
  margin: 0;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--cream-dim);
}

/* ---------- Footer ---------- */
.site-footer{
  text-align: center;
  padding: 5vh 6vw 6vh;
  border-top: 1px solid rgba(251,242,230,0.08);
}
.footer-name{
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  margin: 0 0 .4rem;
  color: var(--cream);
}
.footer-meta{
  margin: 0;
  font-size: .78rem;
  color: var(--cream-dim);
  letter-spacing: .04em;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .mission{ grid-template-columns: 1fr; gap: 1.1rem; padding: 8vh 7vw 10vh; }
  .hero{ padding: 8vh 6vw; }
}

@media (max-width: 480px){
  .hero-name .word{ margin: 0 .12em; }
  .gate-title{ font-size: clamp(1.9rem, 9vw, 2.8rem); }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.2s !important;
    scroll-behavior: auto !important;
  }
  .hero-name .letter{ filter: none; }
}