/* ============================================================
   PORTFOLIO MULTISISTEMA — tema oscuro profesional
   Para cambiar la identidad, editá las variables de :root
============================================================ */
:root {
  --bg: #0a0b0f;
  --bg-2: #0f1117;
  --surface: #14161f;
  --surface-2: #1a1d28;
  --border: #242838;
  --text: #e7e9f0;
  --muted: #8b90a3;
  --faint: #5a6072;

  /* Acento principal (gradiente) */
  --a1: #6366f1;   /* índigo */
  --a2: #8b5cf6;   /* violeta */
  --a3: #22d3ee;   /* cian */
  --grad: linear-gradient(120deg, var(--a1), var(--a2) 55%, var(--a3));

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1140px;
  --transition: .25s cubic-bezier(.4, 0, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Fondo decorativo ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.bg-glow {
  position: fixed; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 30% 30%, rgba(99,102,241,.25), transparent 60%),
              radial-gradient(circle at 70% 50%, rgba(34,211,238,.18), transparent 60%);
  filter: blur(40px);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 50px; font-size: 14px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: all var(--transition);
}
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px rgba(99,102,241,.3); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(99,102,241,.45); }
.btn--ghost { border-color: var(--border); color: var(--text); background: rgba(255,255,255,.02); }
.btn--ghost:hover { border-color: var(--a2); background: rgba(139,92,246,.08); }
.btn--sm { padding: 9px 18px; font-size: 13px; border-color: var(--border); background: rgba(255,255,255,.03); }
.btn--sm:hover { border-color: var(--a2); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,11,15,.7); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.nav__logo { display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 19px; }
.nav__dot { width: 12px; height: 12px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 12px var(--a2); }
.nav__links { display: flex; gap: 8px; margin-left: auto; }
.nav__links a { padding: 8px 14px; border-radius: 8px; font-size: 14px; color: var(--muted); transition: all var(--transition); }
.nav__links a:hover { color: var(--text); background: rgba(255,255,255,.04); }

/* ---------- Hero ---------- */
.hero { padding: 100px 0 80px; text-align: center; }
.hero__badge {
  display: inline-block; font-size: 13px; font-weight: 500; color: var(--a3);
  background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.2);
  padding: 6px 16px; border-radius: 50px; margin-bottom: 28px; letter-spacing: .3px;
}
.hero__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(34px, 6vw, 60px); font-weight: 700; line-height: 1.1; margin-bottom: 22px; }
.hero__tagline { font-size: clamp(16px, 2.4vw, 20px); color: var(--muted); max-width: 600px; margin: 0 auto 36px; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

.stats { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-family: 'Space Grotesk', sans-serif; font-size: 40px; font-weight: 700; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat__lbl { font-size: 13px; color: var(--faint); margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section--alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__head { text-align: center; max-width: 600px; margin: 0 auto 52px; }
.section__eyebrow { font-size: 13px; font-weight: 600; color: var(--a2); text-transform: uppercase; letter-spacing: 2px; }
.section__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(28px, 4vw, 40px); font-weight: 700; margin: 12px 0; }
.section__sub { color: var(--muted); font-size: 16px; }

/* ---------- Systems grid ---------- */
.systems-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 24px; }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease, border-color var(--transition);
}
.card.is-visible { opacity: 1; transform: translateY(0); }
.card:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); transform: translateY(-4px); }

/* Portada (cover) */
.card__cover {
  position: relative; aspect-ratio: 16/10; overflow: hidden; cursor: pointer;
  border-bottom: 1px solid var(--border); background: #000;
}
.card__cover::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); z-index: 2;
}
.card__cover-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.card__cover:hover .card__cover-img { transform: scale(1.05); }
.card__cover--fallback {
  background: radial-gradient(circle at 50% 40%, color-mix(in srgb, var(--accent) 45%, transparent), transparent 70%), var(--surface-2);
}
.card__cover-icon { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; font-size: 58px; pointer-events: none; }
.card__cover--fallback .card__cover-icon { display: flex; }
.card__cover-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 56px; height: 56px; border-radius: 50%; background: rgba(0,0,0,.5);
  border: 2px solid #fff; color: #fff; font-size: 18px; display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: all var(--transition); backdrop-filter: blur(4px);
}
.card__cover:hover .card__cover-play { opacity: 1; transform: translate(-50%,-50%) scale(1.08); }

.card__body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; gap: 8px; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 50px; white-space: nowrap; }
.status i { width: 7px; height: 7px; border-radius: 50%; }
.status--online { color: #4ade80; background: rgba(74,222,128,.1); }
.status--online i { background: #4ade80; box-shadow: 0 0 8px #4ade80; animation: pulse 2s infinite; }
.status--soon { color: #fbbf24; background: rgba(251,191,36,.1); }
.status--soon i { background: #fbbf24; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.card__category { font-size: 12px; font-weight: 600; color: var(--faint); text-transform: uppercase; letter-spacing: 1px; }
.card__title { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; margin: 0 0 10px; }
.card__desc { color: var(--muted); font-size: 14px; margin-bottom: 18px; flex: 1; }
.card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.tag { font-size: 12px; font-weight: 500; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); padding: 4px 12px; border-radius: 50px; }

.card__btn {
  display: inline-flex; align-items: center; gap: 8px; width: 100%; justify-content: center;
  padding: 12px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--text); transition: all var(--transition); cursor: pointer;
}
.card__btn:hover { background: var(--accent); color: #fff; }
.card__count { background: rgba(255,255,255,.18); border-radius: 50px; padding: 1px 9px; font-size: 12px; }
.card__btn--disabled { background: var(--surface-2); border-color: var(--border); color: var(--faint); cursor: default; }

/* ---------- Lightbox / galería ---------- */
.lightbox { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; padding: 24px; }
.lightbox.open { display: flex; }
.lightbox__overlay { position: absolute; inset: 0; background: rgba(5,6,9,.93); backdrop-filter: blur(6px); }
.lightbox__inner { position: relative; z-index: 1; width: 100%; max-width: 1000px; display: flex; flex-direction: column; align-items: center; }
.lightbox__bar { display: flex; align-items: center; gap: 16px; width: 100%; margin-bottom: 14px; }
.lightbox__title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 18px; }
.lightbox__counter { color: var(--muted); font-size: 13px; }
.lightbox__close { margin-left: auto; width: 40px; height: 40px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: 16px; cursor: pointer; transition: all var(--transition); }
.lightbox__close:hover { background: var(--surface-2); border-color: var(--a2); }
.lightbox__stage { width: 100%; min-height: 200px; display: flex; align-items: center; justify-content: center; }
.lightbox__stage img, .lightbox__stage video, .lightbox__stage iframe { box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lb-missing { color: var(--muted); text-align: center; padding: 64px 24px; border: 2px dashed var(--border); border-radius: 12px; width: 100%; font-size: 16px; line-height: 1.8; }
.lb-missing small { color: var(--faint); }
.lightbox__caption { color: var(--text); font-size: 14px; margin-top: 16px; text-align: center; min-height: 20px; }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: 26px; cursor: pointer;
  transition: all var(--transition); display: flex; align-items: center; justify-content: center; line-height: 1;
}
.lightbox__nav:hover { background: var(--a2); border-color: var(--a2); color: #fff; }
.lightbox__nav--prev { left: -64px; }
.lightbox__nav--next { right: -64px; }
@media (max-width: 1130px) {
  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
}

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.about__text .section__title { text-align: left; }
.about__text p { color: var(--muted); margin-top: 16px; }
.about__skills { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.skill { display: flex; gap: 14px; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.skill span { font-size: 24px; }
.skill strong { display: block; font-size: 15px; margin-bottom: 4px; }
.skill p { font-size: 13px; color: var(--muted); margin: 0; }

/* ---------- CTA ---------- */
.cta__inner { text-align: center; max-width: 620px; margin: 0 auto; padding: 56px 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 24px; position: relative; overflow: hidden; }
.cta__inner::before { content: ''; position: absolute; inset: 0; background: var(--grad); opacity: .06; }
.cta__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(24px, 4vw, 34px); font-weight: 700; position: relative; }
.cta__sub { color: var(--muted); margin: 12px 0 28px; position: relative; }
.contact-links { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.contact-links a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 50px; border: 1px solid var(--border); background: var(--bg); font-weight: 600; font-size: 14px; transition: all var(--transition); }
.contact-links a:hover { border-color: var(--a2); transform: translateY(-2px); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer__logo { display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; }
.footer p { color: var(--faint); font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; gap: 36px; }
  .nav__links { display: none; }
  .stats { gap: 36px; }
}
@media (max-width: 560px) {
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }
  .about__skills { grid-template-columns: 1fr; }
  .stat__num { font-size: 32px; }
}