/* Thomas Giuseppi — Minimal Tech Theme
   Brand palette inspired by provided references:
   ink: #17242D, slate: #315357, mist: #E6ECE8, accent: #36CE9A
*/

:root{
  --bg: #F7FAFA;
  --paper: #FFFFFF;
  --ink: #17242D;
  --slate: #315357;
  --muted: #5F6F77;
  --line: rgba(23, 36, 45, 0.12);
  --soft: rgba(49, 83, 87, 0.06);
  --accent: #36CE9A;
  --shadow: 0 10px 30px rgba(23, 36, 45, 0.10);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(54,206,154,0.12), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(49,83,87,0.12), transparent 60%),
              var(--bg);
  line-height: 1.55;
}

img{ max-width: 100%; height:auto; display:block; }
a{ color: inherit; text-decoration: none; }
code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
  background: rgba(23,36,45,0.06);
  padding: 0.15em 0.35em;
  border-radius: 8px;
}

.container{
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 999;
}

.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(247,250,250,0.70);
  border-bottom: 1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 240px;
}
.brand__mark{
  width: 12px; height: 12px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(54,206,154,1), rgba(54,206,154,0.2));
  box-shadow: 0 0 0 6px rgba(54,206,154,0.12);
}
.brand__name{
  font-weight: 650;
  letter-spacing: 0.2px;
}

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav__link{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-weight: 520;
}
.nav__link:hover{
  border-color: var(--line);
  background: rgba(255,255,255,0.6);
  color: var(--ink);
}
.nav__link--active{
  border-color: rgba(54,206,154,0.35);
  background: rgba(54,206,154,0.10);
  color: var(--ink);
}

.nav__toggle{
  display:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.7);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
}
.nav__toggle-line{
  display:block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  border-radius: 2px;
}

.hero{
  padding: 54px 0 12px;
}
.hero__inner{
  padding: 34px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.90), rgba(255,255,255,0.74)),
    url("../img/hero-abstract.svg") no-repeat right -40px top -40px / 520px auto,
    url("../img/hero-photo.webp") no-repeat center / cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.kicker{
  margin:0 0 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
}
h1{
  margin:0 0 12px;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.lead{
  margin:0 0 18px;
  font-size: 18px;
  color: rgba(23,36,45,0.85);
  max-width: 70ch;
}

.cta{ display:flex; gap: 10px; flex-wrap: wrap; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.7);
  font-weight: 650;
  cursor: pointer;
}
.btn:hover{ transform: translateY(-1px); transition: 120ms ease; }
.btn--primary{
  background: rgba(54,206,154,0.14);
  border-color: rgba(54,206,154,0.40);
}
.btn--ghost{
  background: rgba(255,255,255,0.55);
}
.btn--small{
  padding: 10px 14px;
  font-size: 14px;
}

.hero__meta{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.meta-card{
  padding: 14px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
}
.meta-card__title{ font-weight: 650; margin-bottom: 6px; }
.meta-card__text{ color: var(--muted); font-size: 14px; }

.section{ padding: 40px 0; }
.section--soft{
  background: rgba(49,83,87,0.05);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section__head{ margin-bottom: 16px; }
h2{ margin:0 0 10px; font-size: 24px; letter-spacing: -0.01em; }
h3{ margin:0 0 10px; font-size: 18px; }

.grid{
  display:grid;
  gap: 18px;
}
.grid--2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card{
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--line);
}
.card--lift{ box-shadow: 0 14px 40px rgba(23,36,45,0.08); }
.card__title{ margin: 0 0 8px; }
.card__subtitle{ margin: 0 0 8px; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.10em; }
.card__text{ margin: 0 0 12px; color: var(--muted); }

.tag{
  display:inline-block;
  margin: 0 0 10px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(54,206,154,0.35);
  background: rgba(54,206,154,0.10);
  color: var(--ink);
  font-weight: 650;
  font-size: 12px;
}

.tag{
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.tag__label{ line-height: 1; }
.tag__code{
  line-height: 1;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: rgba(54, 206, 154, 0.10);
  font-size: 12px;
}

.list{ margin: 0; padding-left: 18px; }
.list--compact{ padding-left: 16px; }
.list--compact li{ margin: 6px 0; }
.link{
  color: var(--slate);
  font-weight: 650;
}
.link:hover{ text-decoration: underline; }

.divider{
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.note{
  margin-top: 14px;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(54,206,154,0.35);
  background: rgba(54,206,154,0.08);
}
.note__title{ font-weight: 650; margin-bottom: 6px; }
.note__text{ margin:0; color: rgba(23,36,45,0.85); }

.banner{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.75), rgba(255,255,255,0.55));
}
.banner__title{ margin:0 0 8px; }
.banner__text{ margin:0; color: var(--muted); }

.footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  background: rgba(247,250,250,0.65);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__sep{ color: var(--muted); margin: 0 8px; }
.footer__link{ color: var(--muted); margin-left: 12px; }
.footer__link:hover{ color: var(--ink); }

/* Social icon link (YouTube) */
.footer__iconlink{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  margin-right: 6px;
}
.footer__iconlink:hover{ transform: translateY(-1px); transition: 120ms ease; }
.icon{ width: 18px; height: 18px; fill: var(--accent); }
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* Optional card thumbnails */
.card__thumb{
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(23,36,45,0.05);
  margin-bottom: 12px;
}

.page{ padding-bottom: 24px; }
.page-head{ padding: 34px 0 0; }
.small{ font-size: 14px; }
.muted{ color: var(--muted); }

.meta{ display:flex; align-items:center; gap: 10px; color: var(--muted); }
.meta__dot{ opacity: 0.6; }

.video{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(23,36,45,0.06);
}
.video iframe{ width: 100%; height: 100%; border: 0; }

.filters{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.input{
  display:flex;
  flex-direction: column;
  gap: 6px;
  min-width: 220px;
}
.input__label{ font-size: 13px; color: var(--muted); }
input, select, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.75);
  outline: none;
}
input:focus, select:focus, textarea:focus{
  border-color: rgba(54,206,154,0.55);
  box-shadow: 0 0 0 4px rgba(54,206,154,0.14);
}

.form{ display:flex; flex-direction: column; gap: 12px; }

@media (max-width: 920px){
  .grid--3{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__meta{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav{ display:none; }
  .nav.is-open{
    display:flex;
    position:absolute;
    right: 20px;
    top: 62px;
    flex-direction: column;
    padding: 12px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    min-width: 220px;
  }
  .nav__toggle{ display:inline-flex; }
  .grid--2{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .hero__inner{ padding: 22px; }
}
/* Footer socials */
.socials{
  display: inline-flex;
  gap: 10px;
  align-items: center;
}
.social{
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.65);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.social:hover{
  transform: translateY(-1px);
  border-color: rgba(54,206,154,0.45);
  background: rgba(54,206,154,0.10);
}
.social__icon{
  fill: var(--ink);
  opacity: 0.88;
}

/* Keep original brand colors for specific social icons */
.social[aria-label="YouTube"] .social__icon{
  fill: #FF0000;
  opacity: 1;
}
.social[aria-label="LinkedIn"] .social__icon{
  fill: #0A66C2;
  opacity: 1;
}


/* Header social icons (desktop) */
.header__socials{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* Cards with media */
.card__media{
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: calc(var(--radius) - 4px);
  border: 1px solid var(--line);
  background: var(--soft);
  margin-bottom: 12px;
}

.card__row{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.65);
  font-size: 12px;
  color: var(--ink);
}
.pill--soft{
  background: rgba(49, 83, 87, 0.06);
  color: var(--slate);
}

.card__actions{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}

/* Mobile */
@media (max-width: 760px){
  .header__socials{ display:none; }
}


/* === Playlist Gallery === */
.playlist__grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap:14px;
}
.playlist__item{
  text-align:left;
  border:1px solid rgba(12,31,39,.12);
  border-radius:18px;
  background:#fff;
  overflow:hidden;
  padding:0;
  cursor:pointer;
  transition: transform .08s ease;
}
.playlist__item:hover{ transform: translateY(-1px); }
.playlist__thumb{ width:100%; height:auto; display:block; aspect-ratio:16/9; object-fit:cover; }
.playlist__thumbBtn{
  padding:0;
  border:0;
  background:transparent;
  width:100%;
  display:block;
  position:relative;
  cursor:pointer;
  text-decoration:none;
  color:inherit;
}
.playlist__playBadge{
  position:absolute;
  right:12px;
  bottom:12px;
  background: rgba(12,31,39,.72);
  color:#fff;
  border-radius:999px;
  padding:6px 10px;
  font-size:14px;
  line-height:1;
}
.playlist__actions{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:10px;
}
.playlist__meta{ padding:12px 12px 14px; }
.playlist__title{ font-weight:700; line-height:1.25; margin-bottom:6px; display:block; text-decoration:none; color:inherit; }
.playlist__title:hover{ text-decoration:underline; }
.playlist__hint{ font-size:.9rem; opacity:.7; }

.modal{ position:fixed; inset:0; display:none; z-index:9999; }
.modal[aria-hidden="false"]{ display:block; }
.modal__backdrop{ position:absolute; inset:0; background:rgba(0,0,0,.55); }
.modal__panel{
  position:relative;
  width:min(980px, 92vw);
  margin:6vh auto;
  background:#fff;
  border-radius:20px;
  overflow:hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal__close{ position:absolute; top:10px; right:10px; z-index:2; }
.modal__body{ padding:44px 14px 14px; }
.video-frame iframe{ display:block; border:0; border-radius:14px; }
body.modal-open{ overflow:hidden; }


/* v10.9 — Alineación de texto en Objetivo/Justificación (Materia 641) */
#objetivo, #justificacion{
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}