/* =========================================================
   Marcos Portfolio — styles.css (clean + mobile optimized)
   ========================================================= */

/* -----------------------------
   1) Design tokens (themes)
------------------------------ */
:root{
  --bg:#0b1020;
  --panel:#0f172a;
  --text:#e8eefc;
  --muted:#a8b3cf;
  --line:rgba(255,255,255,.10);

  --accent:#22c55e;
  --accent2:#0ea5e9;

  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius:18px;

  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";

  --container-pad: 40px;
}

[data-theme="light"]{
  --bg:#f6f8ff;
  --panel:#ffffff;
  --text:#0c1020;
  --muted:#4b5563;
  --line:rgba(0,0,0,.10);
  --shadow: 0 10px 30px rgba(2,6,23,.12);
}

/* -----------------------------
   2) Base / Reset
------------------------------ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(14,165,233,.18), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(34,197,94,.14), transparent 60%),
    var(--bg);
}

a{color:inherit; text-decoration:none}
a:focus-visible,
button:focus-visible{
  outline: 2px solid rgba(14,165,233,.65);
  outline-offset: 2px;
  border-radius: 10px;
}

img{max-width:100%; display:block}

/* -----------------------------
   3) Layout helpers / utilities
------------------------------ */
.container{
  width: min(var(--max), calc(100% - var(--container-pad)));
  margin: 0 auto;
}
.muted{color:var(--muted)}
.small{font-size:12px}

/* -----------------------------
   4) Topbar / Navigation
------------------------------ */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,16,32,.65);
  border-bottom: 1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 14px 20px;
}

[data-theme="light"] .topbar{
  background: rgba(246,248,255,.75);
}

.brand{
  font-weight:800;
  letter-spacing:.2px;
  white-space: nowrap;
}

.nav{
  display:flex;
  gap:16px;
  align-items:center;
}

.nav a{
  color:var(--muted);
  font-size:14px;
  white-space: nowrap;
}
.nav a:hover{color:var(--text)}

/* -----------------------------
   5) Buttons
------------------------------ */
.iconbtn{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor:pointer;
}
.iconbtn:hover{background: rgba(255,255,255,.08)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;

  padding: 12px 16px;
  border-radius: 14px;

  border: 1px solid rgba(34,197,94,.35);
  background: linear-gradient(135deg, rgba(34,197,94,.22), rgba(14,165,233,.14));
  box-shadow: var(--shadow);

  font-weight:700;
  cursor:pointer;
  user-select:none;
}
.btn--ghost{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  box-shadow:none;
  font-weight:650;
}
.btn--small{
  padding: 10px 12px;
  border-radius: 12px
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}

/* -----------------------------
   6) Hero
------------------------------ */
.hero{
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 26px;
  padding: 34px 0 14px;
}

.kicker{
  color:var(--muted);
  margin:0 0 8px;
  font-size:14px;
}
.hero h1{
  margin:0;
  font-size:44px;
  line-height:1.05;
}
.subtitle{
  margin:10px 0 14px;
  font-size:18px;
  color:var(--muted);
}
.lead{
  margin:0 0 18px;
  font-size:16px;
  line-height:1.55;
}
.cta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin: 10px 0 18px;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.badge{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  padding: 8px 10px;
  border-radius: 999px;
  font-size:12px;
  color: var(--muted);
}

.portrait{
  background: linear-gradient(135deg, rgba(14,165,233,.20), rgba(34,197,94,.12));
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.portrait img{
  width:100%;
  height:auto;
  border-radius: 14px;
  background: rgba(255,255,255,.06);
}

.quick{
  margin-top: 12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  padding: 14px;
}
.quick__item{padding: 10px 0; border-bottom:1px solid var(--line)}
.quick__item:last-child{border-bottom:0}
.quick__label{font-size:12px; color:var(--muted)}
.quick__value{font-size:14px; margin-top: 4px}
.quick a{text-decoration:underline; text-underline-offset:3px}

/* -----------------------------
   7) Sections / Panels / Grids
------------------------------ */
.section{padding: 32px 0}
.section__head{margin-bottom: 16px}
.section__head h2{
  margin:0 0 8px;
  font-size:26px;
}
.section__head p{
  margin:0;
  color:var(--muted);
  line-height:1.5;
}

.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
}
.panel h3{margin:0 0 10px}
.panel ul{margin: 0; padding-left: 18px; color: var(--muted)}
.panel li{margin: 8px 0}

/* Chips */
.chips{display:flex; flex-wrap:wrap; gap:10px}
.chip{
  border:1px solid var(--line);
  padding: 8px 10px;
  border-radius: 999px;
  font-size:12px;
  background: rgba(255,255,255,.04);
}
.chip--soft{
  border-color: rgba(14,165,233,.25);
  background: rgba(14,165,233,.10);
}

/* -----------------------------
   8) Cards / Tags
------------------------------ */
.cards{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px;
}

.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card__head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
}

.card h3{margin:0 0 10px}
.card p{margin:0; color:var(--muted); line-height:1.55}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:flex-end;
}
.tag{
  font-size:11px;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid rgba(34,197,94,.28);
  color: rgba(232,238,252,.95);
  background: rgba(34,197,94,.08);
}

/* -----------------------------
   9) Expand (Ver más / Ver menos)
------------------------------ */
.expand__text{
  margin: 0;
  color: var(--muted);
  line-height: 1.55;

  /* Clamp */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  -webkit-line-clamp: 3;

  overflow: hidden;
}

.expand.is-open .expand__text{
  line-clamp: unset;
  -webkit-line-clamp: unset;
  overflow: visible;
  display: block;
}

.expand__btn{
  margin-top: 10px;
  color: var(--text);
}

/* -----------------------------
   10) Timeline
------------------------------ */
.timeline{
  position:relative;
  padding-left: 18px;
}
.timeline:before{
  content:"";
  position:absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--line);
}
.timeline__item{position:relative; margin-bottom: 14px}
.timeline__dot{
  position:absolute;
  left: -2px;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  box-shadow: 0 0 0 4px rgba(255,255,255,.06);
}
.timeline__content{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 12px;
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
}
.timeline__content h3{margin:0 0 6px; font-size:16px}
.meta{color:var(--muted); font-size:12px; margin-bottom: 10px}
.timeline__content ul{margin:0; padding-left: 18px; color: var(--muted)}
.timeline__content li{margin: 7px 0}

/* -----------------------------
   11) Project Carousel
------------------------------ */
.project .carousel{
  position: relative;
  margin: 14px 0 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,.03);
}

.carTrack{
  display:flex;
  width:100%;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-behavior:smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;

  /* Hide scrollbar */
  scrollbar-width:none;
}
.carTrack::-webkit-scrollbar{height:0}

.carTrack img{
  width:100%;
  min-width:100%;
  height: 240px;
  object-fit:cover;
  scroll-snap-align:start;
  cursor: zoom-in;
}

.carBtn{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  z-index:2;

  width:38px;
  height:38px;
  border-radius:12px;

  border:1px solid var(--line);
  background: rgba(0,0,0,.35);
  color: var(--text);

  display:grid;
  place-items:center;
  cursor:pointer;
  backdrop-filter: blur(6px);
}
[data-theme="light"] .carBtn{background: rgba(255,255,255,.55)}
.carBtn--prev{left:10px}
.carBtn--next{right:10px}

.carDots{
  position:absolute;
  left:50%;
  bottom:10px;
  transform: translateX(-50%);
  display:flex;
  gap:8px;
  z-index:2;
}
.carDot{
  width:8px;
  height:8px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.25);
  cursor:pointer;
}
.carDot.is-active{
  background: rgba(34,197,94,.75);
  border-color: rgba(34,197,94,.75);
}

/* -----------------------------
   12) Contact / Footer
------------------------------ */
.contact{display:flex; gap:12px; flex-wrap:wrap}

.footer{
  border-top:1px solid var(--line);
  padding: 18px 0;
  margin-top: 10px;
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  color: var(--muted);
}

/* -----------------------------
   13) Lightbox / Modal (imgModal)
------------------------------ */
.modal{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 500;
}
.modal[aria-hidden="false"]{display:block}

.modal__overlay{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.72);
}

.modal__body{
  position: relative;
  width: min(1100px, calc(100% - 32px));
  margin: 28px auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.modal__close{
  position:absolute;
  top:10px;
  right:10px;
}

.modal__title{
  font-weight: 750;
  margin: 0 44px 10px 2px;
  color: var(--text);
}

#imgModalImg{
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}

/* -----------------------------
   14) Responsive (mobile-friendly)
------------------------------ */
@media (max-width: 980px){
  :root{ --container-pad: 28px; }

  .hero{
    grid-template-columns: 1fr;
    padding-top: 20px;
  }

  .cards{grid-template-columns: 1fr;}
  .grid2{grid-template-columns: 1fr;}

  /* En vez de ocultar nav, lo hacemos “scrollable” */
  .nav{
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 14px;
  }
  .nav::-webkit-scrollbar{height:0}
  .nav{scrollbar-width:none}

  .hero h1{font-size:38px}

  .carTrack img{height: 220px;}
}

@media (max-width: 560px){
  :root{ --container-pad: 22px; }

  .topbar{padding: 12px 14px;}
  .hero h1{font-size: 34px;}
  .subtitle{font-size: 16px;}
  .lead{font-size: 15px;}

  .btn{padding: 11px 14px; border-radius: 14px;}
  .btn--small{padding: 9px 11px;}

  .carTrack img{height: 200px;}
  .modal__body{margin: 18px auto;}
}