/* Site-specific styles: animations, utilities, and scroll behavior. */
@import url('../colors_and_type.css');

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--blanco);
  color: var(--ink);
  line-height: var(--lh-relaxed);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

/* ---------- Reveal primitives ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-scale { opacity: 0; transform: scale(.94); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Stagger — children of .stagger reveal with increasing delay when parent has .visible */
.stagger > * { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-soft), transform .7s var(--ease-soft); }
.stagger.visible > *:nth-child(1) { transition-delay: .05s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(2) { transition-delay: .15s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(3) { transition-delay: .25s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(4) { transition-delay: .35s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(5) { transition-delay: .45s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(6) { transition-delay: .55s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(7) { transition-delay: .65s; opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(8) { transition-delay: .75s; opacity: 1; transform: translateY(0); }

/* ---------- Organic floating orbs (decorative backgrounds) ---------- */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
  will-change: transform;
  mix-blend-mode: normal;
}
@keyframes float-a {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(40px,-30px) scale(1.08); }
}
@keyframes float-b {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(-50px,40px) scale(.92); }
}
@keyframes float-c {
  0%,100% { transform: translate(0,0) scale(1) rotate(0deg); }
  50%     { transform: translate(30px,50px) scale(1.1) rotate(45deg); }
}
.orb.a { animation: float-a 14s ease-in-out infinite; }
.orb.b { animation: float-b 18s ease-in-out infinite; }
.orb.c { animation: float-c 22s ease-in-out infinite; }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  width: 100%;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  animation: marquee 42s linear infinite;
  white-space: nowrap;
  padding-right: 3rem;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- Shared link underline ---------- */
.link-underline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: gap .3s var(--ease-soft);
}
.link-underline::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1.5px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-soft);
}
.link-underline:hover { gap: .7rem; }
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- Section curves ---------- */
.curve-top-white { position: absolute; top: -1px; left: 0; width: 100%; height: 60px; background: var(--blanco); clip-path: ellipse(60% 100% at 50% 0%); }
.curve-top-cream { position: absolute; top: -1px; left: 0; width: 100%; height: 60px; background: var(--crema); clip-path: ellipse(60% 100% at 50% 0%); }
.curve-top-naranja { position: absolute; top: -1px; left: 0; width: 100%; height: 60px; background: var(--naranja); clip-path: ellipse(60% 100% at 50% 0%); }
.curve-top-violeta { position: absolute; top: -1px; left: 0; width: 100%; height: 60px; background: var(--violeta); clip-path: ellipse(60% 100% at 50% 0%); }

/* ---------- Filter chip ---------- */
.chip {
  padding: .45rem 1rem;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,.35);
  background: transparent;
  color: white;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
  transition: all .25s var(--ease-soft);
}
.chip:hover { border-color: white; }
.chip.active { background: white; color: var(--violeta); border-color: white; }

/* ---------- Coming-soon blur overlay ---------- */
.cs-lock {
  position: absolute; inset: 0;
  background: rgba(30, 22, 57, .45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  border-radius: inherit;
  z-index: 2;
}

/* ---------- Scroll-spy nav dots ---------- */
.nav-link-wrap { position: relative; display: flex; align-items: center; }
.nav-dot {
  position: absolute; left: -14px; top: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--naranja);
  transform: translateY(-50%) scale(0);
  transition: transform .3s var(--ease-soft);
}
.nav-link-wrap.active .nav-dot { transform: translateY(-50%) scale(1); }
.nav-link-wrap.active a { color: var(--ink) !important; }

/* ---------- Tweaks panel ---------- */
.tweaks-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 280px;
  background: var(--blanco);
  border: 1px solid rgba(30,22,57,.08);
  box-shadow: 0 20px 50px rgba(30,22,57,.15);
  border-radius: 14px;
  padding: 1.2rem;
  z-index: 200;
  font-size: .8rem;
  display: none;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.tweaks-panel.open { display: block; }
.tweaks-panel h4 { font-family: var(--font-display); font-size: 1rem; margin-bottom: .3rem; }
.tweaks-panel label { display: block; margin-top: .9rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-muted); font-weight: 700; }
.tweaks-panel .tweak-options { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .4rem; }
.tweaks-panel .tweak-options button {
  padding: .4rem .7rem; font-size: .72rem; border-radius: 6px;
  border: 1px solid rgba(30,22,57,.12); background: white; cursor: pointer;
  font-family: inherit; font-weight: 600; color: var(--ink-light);
  transition: all .2s;
}
.tweaks-panel .tweak-options button.active { background: var(--violeta); color: white; border-color: var(--violeta); }
.tweaks-panel .tweak-options button:hover:not(.active) { border-color: var(--violeta); color: var(--violeta); }

/* ---------- Hero portrait parallax prep ---------- */
.parallax-portrait { transition: transform .2s linear; will-change: transform; }

/* ---------- Hero word entry ---------- */
@keyframes hero-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-name span { animation: hero-in 1.1s var(--ease-soft) both; display: inline-block; }
.hero-name span:nth-child(2) { animation-delay: .15s; }

@keyframes pop-in {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---------- Prefers-reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale, .stagger > * { opacity: 1 !important; transform: none !important; }
  .orb, .marquee-track { animation: none !important; }
}

/* ---------- Nav: links + mobile burger ---------- */
.nav-links { display: flex; gap: 1.8rem; align-items: center; }
.nav-mobile-panel {
  position: fixed; top: 0; left: 0; right: 0;
  background: var(--blanco);
  padding: 5rem 1.5rem 2rem;
  display: none; flex-direction: column; gap: .2rem;
  box-shadow: 0 10px 30px rgba(30,22,57,.12);
  animation: pop-in .25s var(--ease-soft);
}
.nav-mobile-link {
  padding: 1rem 0;
  font-size: 1.1rem; font-weight: 700;
  color: var(--ink); text-decoration: none;
  border-bottom: 1px solid rgba(30,22,57,.08);
  font-family: 'Playfair Display', serif;
}
.nav-mobile-cta {
  display: inline-block; margin-top: 1rem;
  background: var(--naranja); color: white !important;
  padding: 1rem 1.5rem; border-radius: 10px;
  font-size: .8rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; text-align: center;
}

/* ---------- Mobile breakpoints ---------- */
@media (max-width: 820px) {
  /* Nav */
  nav { padding: .8rem 1.2rem !important; }
  .nav-links { display: none !important; }
  .nav-burger { display: block !important; }
  .nav-mobile-panel { display: flex !important; }

  /* Hero — stack and re-pad */
  #inicio { padding: 5.5rem 1.2rem 0 !important; }
  #inicio > div[style*="grid"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
    min-height: auto !important;
  }
  .parallax-portrait {
    width: 78vw !important; max-width: 320px !important;
    height: auto !important; aspect-ratio: 3 / 4;
    transform: none !important;
  }
  .hero-name { font-size: clamp(2.2rem, 11vw, 3rem) !important; }

  /* Stats */
  #inicio > div.stagger,
  #inicio > div[style*="var(--violeta)"][style*="border-radius"] {
    padding: 1.5rem 1rem !important;
    gap: 1.4rem !important;
    margin: 2rem 1rem 0 !important;
  }

  /* Generic section padding */
  #sobre-mi, #servicios, #biblioteca, #clases, #contacto {
    padding: 4rem 1.2rem !important;
  }

  /* Services grid */
  #servicios > div.stagger,
  #servicios > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  /* Featured guide */
  .featured-guide {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    padding: 1.5rem !important;
  }
  .featured-guide > div:first-child {
    max-width: 220px; margin: 0 auto;
  }

  /* Library grid */
  #biblioteca > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Classes grid */
  #clases > div.stagger,
  #clases > div[style*="grid-template-columns: repeat(3"] {
    grid-template-columns: 1fr !important;
  }

  /* Waitlist form panel */
  #clases > div[style*="var(--violeta)"][style*="border-radius"] {
    padding: 2rem 1.5rem !important;
  }
  #clases > div[style*="var(--violeta)"] > div[style*="grid"] {
    grid-template-columns: 1fr !important;
    gap: 1.8rem !important;
  }

  /* CTA / contacto */
  #contacto > div[style*="grid"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
    padding: 4rem 1.2rem !important;
  }
  #contacto img { max-width: 280px; margin: 0 auto; }

  /* Footer */
  footer {
    flex-direction: column !important;
    text-align: center;
    padding: 2rem 1.2rem !important;
  }

  /* Resource modal */
  .resource-modal {
    grid-template-columns: 1fr !important;
    max-height: 92vh !important;
  }
  .resource-modal-cover {
    padding: 1.5rem 1rem .5rem !important;
  }
  .resource-modal-cover > div { max-width: 160px !important; }
  .resource-modal > div:last-child { padding: 1.4rem 1.4rem 1.8rem !important; }

  /* Hide tweaks panel on mobile */
  .tweaks-panel { width: calc(100vw - 32px) !important; right: 16px !important; bottom: 16px !important; }
}

@media (max-width: 480px) {
  #biblioteca > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  .hero-name { font-size: 2.4rem !important; }
}