/* Responsive, Simon Ho–inspired palette */
:root {
  --bg: #f1f3f5;
  --fg: #343a40;
  --primary: #8a2b2b;
  --secondary: #37717e;
  --light: #ffffff;
  --radius: 0.5rem;
  --spacing: 1rem;

/* colores switch */
  
  --switch-knob:#ebd52f2d;/* circulo que se mueve */
}


* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

/* Links */
a { color: var(--secondary); text-decoration: none; }
a:hover { text-decoration: none; }

/* Top navigation */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing) calc(var(--spacing) * 2);
  background: var(--light);
  box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000; /* por encima de panel móvil */
}

/* Landing */
.landing { text-align: center; padding: calc(var(--spacing) * 4) var(--spacing); }
.landing-content { max-width: 90%; margin: 0 auto; }
.landing-pic {
  width: 20vw; max-width: 10rem; aspect-ratio: 1/1; border-radius: 50%;
  object-fit: cover; margin-bottom: var(--spacing);
  filter: drop-shadow(0 0 1rem var(--secondary));
  mask-image: radial-gradient(circle at center, white 70%, transparent 100%);
}
.landing h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); margin-bottom: 0.5rem; }
.landing-tagline { font-size: clamp(1rem, 2.5vw, 1.25rem); margin-bottom: var(--spacing); opacity: 0.8; }

/* En móvil, haz la foto ~50% más grande (20vw -> 30vw, 10rem -> 15rem) */
@media (max-width: 56rem) {
  .landing-pic { width: 30vw; max-width: 15rem; }
}

/* Social icons + tooltips */
.social-icons { display: flex; justify-content: center; gap: var(--spacing); }
.icon-btn { font-size: 1.5rem; background: transparent; border: none; color: var(--secondary); position: relative; transition: color 0.3s; }
.icon-btn:hover { color: var(--primary); }
.icon-btn::after {
  content: attr(data-tooltip); position: absolute; bottom: -1.5rem; left: 50%;
  transform: translateX(-50%) scale(0); background: var(--fg); color: var(--light);
  padding: 0.25rem 0.5rem; border-radius: var(--radius); white-space: nowrap; font-size: 0.75rem; transition: transform 0.2s;
}
.icon-btn:hover::after { transform: translateX(-50%) scale(1); }

/* Logo / nav */
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo img { width: 2.5rem; height: 2.5rem; border-radius: 50%; border: 0.125rem solid var(--primary); }
.logo .name { font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 600; }
.nav-links { display: flex; gap: var(--spacing); }
.nav-item { font-weight: 500; position: relative; padding: 0.25rem 0; }
.nav-item::after {
  content: ''; position: absolute; bottom: -0.25rem; left: 0; width: 100%; height: 0.1875rem;
  background: var(--primary); border-radius: var(--radius);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.nav-item.active::after, .nav-item:hover::after { transform: scaleX(1); }
#theme-toggle { background: none; border: none; font-size: 1.25rem; cursor: pointer; color: var(--fg); }


/* NUEVO: switch de tema */
.theme-switch { display: inline-block; }
.theme-switch input { position: absolute; inset: 0; opacity: 0; pointer-events: none; }
.theme-switch-label {
  --w: 52px; --h: 28px; --pad: 4px;
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: var(--w); height: var(--h); border-radius: 999px; cursor: pointer;
  background: var(--switch-off-bg); transition: background .25s ease, box-shadow .25s ease;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.06);
}
.theme-switch .icon { position: absolute; font-size: 0.9rem; line-height: 1; transition: opacity .2s ease; }
.theme-switch .icon.sun  { left: 8px; opacity: 1; }
.theme-switch .icon.moon { right: 8px; opacity: .35; }
.theme-switch .knob {
  position: absolute; left: var(--pad); top: var(--pad);
  width: calc(var(--h) - 2*var(--pad)); height: calc(var(--h) - 2*var(--pad));
  border-radius: 50%; background: var(--switch-knob);
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  transition: transform .25s ease;
}
.theme-switch input:checked + .theme-switch-label {
  background: var(--switch-on-bg);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06), 0 2px 8px rgba(0,0,0,.35);
}
.theme-switch input:checked + .theme-switch-label .knob { transform: translateX(24px); }
.theme-switch input:checked + .theme-switch-label .sun  { opacity: .35; }
.theme-switch input:checked + .theme-switch-label .moon { opacity: 1; }


/* Main */
main {
  max-width: clamp(55ch, 85vw, 75ch);
  margin: calc(var(--spacing) * 2) auto;
  padding: 0 var(--spacing);
}
.page-section { margin-bottom: calc(var(--spacing) * 3); }
.page-section h2 {
  font-size: clamp(1.75rem, 4vw, 2rem);
  margin-bottom: var(--spacing);
  border-bottom: 2px dotted var(--primary);
  display: inline-block; padding-bottom: 0.25rem;
}

/* Cards grid */
.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--spacing);
}
.card {
  background: var(--light); border-radius: var(--radius); padding: var(--spacing);
  box-shadow: 0 0.25rem 0.75rem rgba(0,0,0,0.05);
  display: flex; flex-direction: column; justify-content: space-between;
}
.card img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0; margin-bottom: var(--spacing);
}
.card-content h3 { margin-bottom: 0.5rem; font-size: clamp(1rem, 2.5vw, 1.1rem); }
.card-content p { flex: 1; font-size: clamp(0.9rem, 2vw, 0.95rem); }
.card-links { margin-top: var(--spacing); display: flex; gap: var(--spacing); }
.card-links a { font-size: 1rem; color: var(--secondary); }

/* Filters */
.filter-group { display: flex; flex-wrap: wrap; gap: var(--spacing); margin-bottom: var(--spacing); }
.filter-btn {
  padding: 0.5rem 1rem; background: var(--light); border: 0.125rem solid var(--secondary);
  border-radius: var(--radius); cursor: pointer; font-weight: 500; transition: background 0.3s, color 0.3s;
}
.filter-btn.active, .filter-btn:hover { background: var(--secondary); color: var(--light); }

/* Publications */
#publications .card-container { display: flex; flex-direction: column; gap: var(--spacing); }
#publications .card { flex-direction: row; align-items: center; }
#publications .card img {
  width: clamp(7rem, 25%, 10rem);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-right: var(--spacing);
  border-radius: var(--radius) 0 0 var(--radius);
}

/* Media stays vertical */
#publications .card.media { flex-direction: column; }
#publications .card.media img {
  width: 100%; aspect-ratio: 16 / 9; margin: 0 0 var(--spacing) 0;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* Per-type title colors (deep, near-black hues) */
#publications .card.journal .card-content h3     { color: #12482b; }
#publications .card.proceedings .card-content h3 { color: #5e1717; }
#publications .card.chapter .card-content h3     { color: #1c4266; }
#publications .card.talk .card-content h3        { color: #4c1f70; }
#publications .card.media .card-content h3       { color: #6e6123; }
#publications .card.database h3 { color: #8a561b; }


/* Stack cards on very small screens */
@media (max-width: 40rem) {
  #publications .card { flex-direction: column; align-items: stretch; }
  #publications .card img {
    width: 100%; aspect-ratio: 16 / 9; margin-right: 0; margin-bottom: var(--spacing);
    border-radius: var(--radius) var(--radius) 0 0;
  }
}

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 1fr min-content 1fr;
  gap: calc(var(--spacing) * 2); align-items: center; margin-top: calc(var(--spacing) * 2);
}
.contact-email { display: flex; flex-direction: column; align-items: center; gap: var(--spacing); }
.email-icon { font-size: clamp(2.5rem, 8vw, 5rem); color: rgba(52,58,64,0.4); }
.email-link { font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--secondary); }
.contact-or { color: rgba(52,58,64,0.4); font-weight: 600; padding: 0 var(--spacing); }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: calc(var(--spacing) * 0.75); }
.contact-list a { display: flex; align-items: center; gap: 0.75rem; color: var(--secondary); font-size: 1rem; }
.contact-list i { font-size: 1.25rem; color: rgba(52,58,64,0.6); }

@media (max-width: 50rem) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-or { display: none; }
  .contact-left { margin-bottom: var(--spacing); }
}


/* —— PART II: Deep dive visuals —— */
/* Story cards */
.story { margin-top: calc(var(--spacing) * 1.25); }
.pull-quote {
  margin: 0 0 calc(var(--spacing) * 1) 0;
  padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 1);
  background: linear-gradient(180deg, rgba(55,113,126,0.06), rgba(255,255,255,0.7));
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  font-style: italic;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  opacity: .95;
}
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: calc(var(--spacing) * 1);
  counter-reset: beat;
}
.beat {
  position: relative;
  background: var(--light);
  border: 1px solid rgba(55,113,126,0.18);
  border-radius: var(--radius);
  padding: calc(var(--spacing) * 0.9);
  box-shadow: 0 0.25rem 0.6rem rgba(0,0,0,0.04);
  transition: transform .05s ease, box-shadow .2s ease;
}
.beat:hover { transform: translateY(-2px); box-shadow: 0 0.45rem 1rem rgba(0,0,0,0.06); }
.beat::before {
  content: counter(beat);
  counter-increment: beat;
  position: absolute; top: -0.6rem; left: -0.6rem;
  width: 1.6rem; height: 1.6rem; display:grid; place-items:center;
  border-radius: 50%; background: var(--secondary); color: var(--light); font-weight: 700; font-size: 0.9rem;
  box-shadow: 0 0.25rem 0.6rem rgba(0,0,0,0.08);
}
.beat-head { display:flex; align-items:center; gap:.6rem; margin-bottom:.35rem; }
.beat-head i {
  width: 1.8rem; height: 1.8rem; display:grid; place-items:center;
  border-radius: 50%; background: rgba(55,113,126,0.1); color: var(--secondary);
}
.beat h4 { margin: 0; font-size: 1.05rem; }
.beat p { margin: .25rem 0 0; opacity: .95; }
.beat-tags { list-style:none; padding:0; margin: .6rem 0 0; display:flex; flex-wrap:wrap; gap:.4rem; }
.beat-tags li { background:#fff; border:1px dashed rgba(55,113,126,.25); border-radius:999px; padding:.25rem .6rem; font-size:.85rem; }


/* Mobile vertical connector line for continuity */
@media (max-width: 48rem) {
  .beat { padding-left: calc(var(--spacing) * 1.4); }
  .beat::after {
    content: ""; position: absolute; left: 0.2rem; top: 1.4rem; bottom: -1rem; width: 2px;
    background: repeating-linear-gradient(to bottom, rgba(55,113,126,.3), rgba(55,113,126,.3) 6px, transparent 6px, transparent 12px);
  }
  .beat:last-child::after { display: none; }
}

/* Deep */
.about-deep { margin-top: calc(var(--spacing) * 2); }
.weave {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--spacing);
}
.weave-node {
  background: var(--light);
  border: 1px solid rgba(55,113,126,0.18);
  border-radius: var(--radius);
  padding: calc(var(--spacing) * 0.9);
  box-shadow: 0 0.25rem 0.6rem rgba(0,0,0,0.04);
}
.weave-node h4 { display:flex; align-items:center; gap:.5rem; margin:0 0 .3rem; font-size:1.05rem; }
.inline-list { display:flex; flex-wrap:wrap; gap:.5rem; margin:.5rem 0 0; padding:0; list-style:none; font-size:.9rem; opacity:.9; }
.inline-list li { background:#fff; border:1px dashed rgba(55,113,126,.25); border-radius:999px; padding:.25rem .55rem; }

.beat-tags { list-style:none; padding:0; margin: .6rem 0 0; display:flex; flex-wrap:wrap; gap:.4rem; }
.beat-tags li { background:#fff; border:1px dashed rgba(55,113,126,.25); border-radius:999px; padding:.25rem .6rem; font-size:.85rem; }
/* Code (repos) */
.repo-card { gap: .75rem; }
.repo-head { display: grid; grid-template-columns: min-content 1fr min-content; gap: .75rem; align-items: start; }
.repo-icon { font-size: 1.6rem; color: var(--primary); margin-top: .2rem; }
.repo-titles h3 { margin: 0 0 .2rem; font-size: clamp(1rem, 2.2vw, 1.1rem); }
.repo-topics { margin-top: .35rem; display: flex; flex-wrap: wrap; gap: .35rem; }
.topic-pill {
  padding: .25rem .55rem; border-radius: 999px; background: #fff;
  border: 1px solid rgba(55,113,126,.25); font-size: .8rem;
}
.repo-meta {
  display: flex; flex-wrap: wrap; gap: .8rem; opacity: .85;
  font-size: .9rem; border-top: 1px dashed rgba(0,0,0,.1);
  padding-top: .5rem; margin-top: .25rem;
}
.repo-meta i { margin-right: .35rem; color: rgba(52,58,64,.7); }
.readme-preview {
  position: relative; margin-top: .5rem; border: 1px dashed rgba(55,113,126,.25);
  border-radius: var(--radius); background: linear-gradient(180deg, rgba(55,113,126,.04), rgba(255,255,255,.7));
  padding: .6rem .7rem; max-height: 12rem; overflow: auto;
}
.readme-preview pre {
  margin: 0; white-space: pre-wrap; word-wrap: break-word; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88rem; line-height: 1.4;
}

/* ==== DARK MODE ==== */

/* Transición suave de tema */
html, body, .topnav, .page-section, .card, .filter-btn, .contact-grid, .repo-card {
  transition: background-color .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
body.dark-mode {
  --bg: #111418;
  --fg: #e6e6e6;
  --light: #171a1e;
  --primary: #b75a5a;
  --secondary: #5aa8b6;
  --switch-off-bg: #33383f;
  --switch-on-bg: #0c1114;
}
body.dark-mode { background: var(--bg); color: var(--fg); }
body.dark-mode .topnav { background: var(--light); box-shadow: 0 0.125rem 0.5rem rgba(0,0,0,.5); }
body.dark-mode .nav-item::after { background: var(--primary); }
body.dark-mode a { color: var(--secondary); }
body.dark-mode .filter-btn { background: var(--light); border-color: var(--secondary); }
body.dark-mode .filter-btn.active, body.dark-mode .filter-btn:hover { background: var(--secondary); color: #0c1114; }
body.dark-mode .card { background: var(--light); box-shadow: 0 0.5rem 1rem rgba(0,0,0,.35); border-color: rgba(255,255,255,.08); }
body.dark-mode .landing-pic { filter: drop-shadow(0 0 0.6rem rgba(90,168,182,.7)); }
body.dark-mode .beat-tags li,
body.dark-mode .inline-list li,
body.dark-mode .pill,
body.dark-mode .topic-pill { background: rgba(90,168,182,0.16); color: #e8f0f2; border: 1px solid rgba(90,168,182,0.45); }
body.dark-mode .card .repo-topics .topic-pill,
body.dark-mode .card .badge { background: rgba(183,90,90,0.14); border: 1px solid rgba(183,90,90,0.4); color: #f3eeee; }
body.dark-mode .card-links a { color: var(--secondary); }
body.dark-mode .card-links a:hover { color: var(--primary); }

/* Title colors lightened in dark */
body.dark-mode #publications .card.journal .card-content h3     { color: #4de08d; }
body.dark-mode #publications .card.proceedings .card-content h3 { color: #f36b6b; }
body.dark-mode #publications .card.chapter .card-content h3     { color: #4da3ff; }
body.dark-mode #publications .card.talk .card-content h3        { color: #b377e6; }
body.dark-mode #publications .card.media .card-content h3       { color: #d6c35a; }
body.dark-mode #publications .card.database .card-content h3    { color: #e6a64d; }

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  border: 0;
  background: transparent;
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--radius);
  align-items: center; justify-content: center;
  margin-right: 0.5rem;
  cursor: pointer;
}
.hamburger:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
.hamburger-lines,
.hamburger-lines::before,
.hamburger-lines::after {
  content: "";
  display: block;
  width: 1.4rem; height: 0.14rem;
  background: #c00000; /* ROJO para las rayas */
  border-radius: 999px;
  transition: transform .25s ease, opacity .25s ease, background .25s ease;
}
.hamburger-lines::before { transform: translateY(-6px); }
.hamburger-lines::after  { transform: translateY(6px); }
.nav-open .hamburger-lines         { transform: rotate(45deg); }
.nav-open .hamburger-lines::before { opacity: 0; }
.nav-open .hamburger-lines::after  { transform: rotate(-90deg); }

/* ===== MOBILE PANEL ===== */
.nav-close { display: none; 
color: #d4af37;      /* DORADO para la X */} /* oculta en desktop */

@media (max-width: 56rem) {
  :root { --topnav-h: 3.5rem; 
  }
  .hamburger { display: inline-flex; }

  .nav-links {
    position: fixed;
    left: 0;
    top: var(--topnav-h);
    width: 100vw;
    height: calc(100dvh - var(--topnav-h));
    padding: calc(var(--spacing) * 1.5) var(--spacing) var(--spacing);
    display: flex;
    flex-direction: column;
    gap: .75rem;

    /* cerrado: NO pinta nada ni recibe clics */
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;

    transform: translateY(-100%);
    transition: transform .28s ease, opacity .2s ease;
    z-index: 900;
    border-top: 1px solid transparent; /* sin borde en cerrado */
    box-shadow: none;

    pointer-events: none;
    opacity: 0;
    visibility: hidden;
  }

  /* abierto: pinta y recibe clics */
  .nav-open .nav-links {
    transform: translateY(0);
    pointer-events: auto;
    opacity: 1;
    visibility: visible;

    /* fondo translúcido + blur SOLO cuando está abierto */
    background: rgba(255,255,255,0.92);
    background: color-mix(in srgb, var(--light) 84%, transparent);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);

    border-top: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 .25rem .75rem rgba(0,0,0,.08) inset;
  }

  /* Evita scroll en body cuando está abierto */
  .nav-open { overflow: hidden; }

  .nav-item { font-size: 1rem; padding: .5rem 0; }
  .nav-item::after { display: none; }

  .nav-close {
    display: block;
    position: absolute;
    right: .75rem; top: .5rem;
    width: 2rem; height: 2rem;
    border: 0; background: transparent;
    color: var(--fg);
    font-size: 1.75rem; line-height: 1;
    border-radius: .35rem; cursor: pointer;
  }
  .nav-close:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
}

/* Dark del panel móvil SOLO cuando está abierto */
body.dark-mode.nav-open .nav-links {
  background: rgba(31,35,39,0.9);
  background: color-mix(in srgb, #1f2327 88%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: 0 .25rem 1rem rgba(0,0,0,.45) inset;
}
body.dark-mode .hamburger-lines,
body.dark-mode .hamburger-lines::before,
body.dark-mode .hamburger-lines::after{
  background: #ad5050;
}
body.dark-mode .nav-close { background: none; color: #cbae46; }