/* ================================================================
   Wilson Escobar Rodriguez — IT-Portfolio  v4
   ================================================================ */

/* --- Tokens --- */
:root {
  --bg:          #0b0f18;
  --bg2:         #101522;
  --bg3:         #0d1220;
  --border:      #1e2a3a;
  --border-soft: rgba(30,42,58,.55);
  --fg:          #e8edf5;
  --fg-dim:      #8a9ab0;
  --fg-faint:    #5a6a7e;
  --accent:      #4f8ef7;
  --accent-soft: rgba(79,142,247,.12);
  --live:        #34d399;
  --live-soft:   rgba(52,211,153,.12);
  --shadow-sm:   0 2px 8px rgba(0,0,0,.35);
  --shadow-md:   0 8px 28px rgba(0,0,0,.45);
  --shadow-lg:   0 20px 50px rgba(0,0,0,.55);
  --r:           14px;
  --r-sm:        8px;
  --display:     "Space Grotesk", system-ui, sans-serif;
  --body:        "IBM Plex Sans", system-ui, sans-serif;
  --mono:        "JetBrains Mono", ui-monospace, monospace;
  --max:         1300px;
}

:root[data-theme="light"] {
  --bg:          #f4f6fb;
  --bg2:         #ffffff;
  --bg3:         #edf0f7;
  --border:      #d8dfe9;
  --border-soft: rgba(30,50,90,.14);
  --fg:          #0f1520;
  --fg-dim:      #4a5568;
  --fg-faint:    #7a8899;
  --accent:      #2563eb;
  --accent-soft: rgba(37,99,235,.09);
  --live:        #059669;
  --live-soft:   rgba(5,150,105,.10);
  --shadow-sm:   0 2px 8px rgba(20,40,80,.10);
  --shadow-md:   0 8px 28px rgba(20,40,80,.13);
  --shadow-lg:   0 20px 50px rgba(20,40,80,.16);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--body);
  font-size: clamp(.95rem, .9rem + .2vw, 1.05rem);
  line-height: 1.72;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  transition: background .25s, color .25s;
}

/* Hintergrund: subtile geometrische Linien */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .35;
}

body::after {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(70rem 50rem at 80% -5%, var(--accent-soft), transparent 55%),
    radial-gradient(50rem 40rem at -5% 70%, var(--live-soft), transparent 60%);
}

/* Hintergrund: sehr feine, langsam rotierende geometrische Akzente (2026) */
.bg-fx { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-fx::before {
  content: "";
  position: absolute; top: 50%; left: 50%;
  width: 130vmax; height: 130vmax;
  transform: translate(-50%, -50%);
  background: conic-gradient(from 0deg,
    transparent 0deg, var(--accent-soft) 35deg, transparent 95deg,
    transparent 190deg, var(--live-soft) 235deg, transparent 300deg, transparent 360deg);
  opacity: .55;
  animation: bg-spin 160s linear infinite;
  will-change: transform;
}
.bg-fx::after {
  content: "";
  position: absolute; top: -12vmax; right: -14vmax;
  width: 46vmax; height: 46vmax;
  border: 1px solid var(--border-soft);
  border-radius: 26%;
  transform: rotate(18deg);
}
@keyframes bg-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px;
}

/* --- Shell --- */
.shell {
  position: relative; z-index: 1;
  width: 100%; max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 1rem + 3vw, 4rem);
}

/* --- Topbar --- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
}
.topbar__in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; height: 58px;
}
.brand {
  font-family: var(--display); font-weight: 700; font-size: 1rem;
  letter-spacing: -.01em; white-space: nowrap;
}
.brand b { color: var(--accent); }
.topnav { display: flex; gap: 1.8rem; }
.topnav a {
  font-family: var(--mono); font-size: .78rem; color: var(--fg-dim);
  transition: color .15s;
}
.topnav a:hover { color: var(--fg); }
.topbar__end { display: flex; align-items: center; gap: .5rem; }
.clock {
  font-family: var(--mono); font-size: .75rem; color: var(--fg-faint);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.sw {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .06em;
  text-transform: uppercase; padding: .35rem .65rem;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: transparent; color: var(--fg-dim); cursor: pointer;
  transition: color .15s, border-color .15s;
}
.sw:hover { color: var(--fg); border-color: var(--accent); }
.sw-group {
  display: flex; border: 1px solid var(--border);
  border-radius: var(--r-sm); overflow: hidden;
}
.sw-group button {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .06em;
  padding: .35rem .6rem; border: 0; background: transparent;
  color: var(--fg-dim); cursor: pointer;
}
.sw-group button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
@media (max-width: 780px) { .topnav, .clock { display: none; } }

/* --- Language switch --- */
.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;
}
.langswitch { display: flex; align-items: center; gap: .35rem; }
.langswitch__item {
  display: block; width: 24px; height: 17px; flex: none;
  border-radius: 4px; overflow: hidden;
  border: 1px solid var(--border);
  opacity: .5; filter: saturate(.6);
  transition: opacity .18s, filter .18s, transform .18s, border-color .18s, box-shadow .18s;
}
.langswitch__item svg { display: block; width: 100%; height: 100%; }
.langswitch__item:hover { opacity: 1; filter: none; transform: translateY(-1px); border-color: var(--accent); }
.langswitch__item[aria-current="true"] {
  opacity: 1; filter: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
  pointer-events: none; cursor: default;
}

/* --- Eyebrow --- */
.eyebrow {
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 .9rem;
}

/* --- Hero (index) --- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(2rem, 1.5rem + 3vw, 5rem);
  align-items: start;
  padding-block: clamp(3rem, 2rem + 4vw, 6rem);
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }

.hero__name {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.4rem, 1.6rem + 4vw, 5rem);
  line-height: 1; letter-spacing: -.035em; margin: 0;
}
.hero__lead {
  margin: 1.3rem 0 0; color: var(--fg-dim);
  font-size: clamp(1rem, .95rem + .25vw, 1.15rem); max-width: 44ch;
}
.hero__lead b { color: var(--fg); font-weight: 600; }
.chips {
  display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.6rem;
  list-style: none; padding: 0;
}
.chips li {
  font-family: var(--mono); font-size: .72rem; color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .3rem .8rem;
}
.actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.8rem; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--body); font-size: .9rem; font-weight: 500;
  padding: .7rem 1.2rem; border-radius: var(--r-sm);
  border: 1px solid var(--border); color: var(--fg);
  background: var(--bg2); box-shadow: var(--shadow-sm);
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--solid { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn--solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn svg { width: 16px; height: 16px; }

/* --- Terminal --- */
.term {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--shadow-lg);
  overflow: hidden; font-family: var(--mono);
  font-size: clamp(.72rem, .65rem + .3vw, .85rem);
}
.term__bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .65rem 1rem; border-bottom: 1px solid var(--border-soft);
  font-size: .7rem; color: var(--fg-faint);
}
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot--r { background: #ff5f57; }
.dot--y { background: #febc2e; }
.dot--g { background: #28c840; }
.term__file { margin-left: .4rem; }
.term__body { padding: 1rem 1.2rem 1.3rem; }
.term__row { margin: 0; line-height: 1.9; }
.ps1 { color: var(--accent); }
.ps1::after { content: ":~$ "; color: var(--fg-faint); }
.kv {
  display: grid; grid-template-columns: auto minmax(0,1fr);
  gap: .12rem 1.4rem; margin: .5rem 0 .9rem;
}
@media (max-width: 480px) {
  .kv { grid-template-columns: 1fr; }
  .kv .k { margin-top: .5rem; }
}
.k { color: var(--fg-faint); }
.v { color: var(--fg); }
.pill {
  display: inline-block; font-size: .65rem; padding: .05rem .5rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(52,211,153,.4); background: var(--live-soft);
  color: var(--live); margin-left: .4rem;
}
.caret {
  display: inline-block; width: .5em; height: 1em;
  background: var(--accent); vertical-align: -.15em;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
[data-boot] { opacity: 0; }
[data-boot].on { opacity: 1; transition: opacity .2s; }

/* --- Section --- */
.sec { padding-bottom: clamp(3.5rem, 2rem + 5vw, 7rem); }
.sec__head { margin-bottom: clamp(1.5rem, 1rem + 1.5vw, 2.5rem); }
.sec__title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2.1rem);
  letter-spacing: -.025em; margin: .3rem 0 0;
}
.sec__note { margin: .7rem 0 0; color: var(--fg-dim); max-width: 58ch; }

/* --- Cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.card__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: 1rem;
}
.card__icon {
  width: 3rem; height: 3rem; flex: none;
  display: grid; place-items: center; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--accent-soft);
  color: var(--accent);
}
.card__icon svg { width: 1.3rem; height: 1.3rem; }
.card__badge {
  font-family: var(--mono); font-size: .65rem;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem .65rem; border-radius: var(--r-sm);
  border: 1px solid rgba(52,211,153,.4); background: var(--live-soft);
  color: var(--live); white-space: nowrap;
}
.card__badge--repo { border-color: rgba(79,142,247,.4); background: var(--accent-soft); color: var(--accent); }
.card__title {
  font-family: var(--display); font-weight: 600;
  font-size: 1.05rem; letter-spacing: -.01em; margin: 0 0 .5rem;
}
.card__text { color: var(--fg-dim); font-size: .9rem; flex: 1; line-height: 1.65; margin: 0; }
.card__stack {
  display: flex; flex-wrap: wrap; gap: .35rem;
  margin-top: 1.2rem; list-style: none; padding: 0;
}
.card__stack li {
  font-family: var(--mono); font-size: .68rem; color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: var(--r-sm); padding: .2rem .55rem;
}
.card__link {
  margin-top: 1rem; font-family: var(--mono); font-size: .82rem;
  color: var(--accent);
}
.card__link:hover { text-decoration: underline; }

/* --- Timeline --- */
.timeline {
  list-style: none; margin: 0; padding: 0 0 0 2.4rem;
  position: relative;
}
.timeline::before {
  content: ""; position: absolute;
  top: .7rem; bottom: .7rem; left: .65rem;
  width: 2px; background: var(--border); border-radius: 2px;
}
.tl-item {
  position: relative;
  padding: 1.1rem 0 1.1rem 1.6rem;
  border-bottom: 1px solid var(--border-soft);
}
.tl-item:last-child { border-bottom: none; }
.tl-item::before {
  content: ""; position: absolute;
  left: -1.77rem; top: 1.45rem;
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--border); background: var(--bg2); z-index: 1;
}
.tl-item--done::before { background: var(--live); border-color: var(--live); }
.tl-item--now {
  background: linear-gradient(90deg, var(--accent-soft), transparent 65%);
  border-radius: var(--r-sm);
  margin-left: -1rem; padding-left: calc(1.6rem + 1rem);
}
.tl-item--now::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.tl-num {
  font-family: var(--mono); font-size: .68rem; color: var(--fg-faint);
  display: block; margin-bottom: .2rem;
}
.tl-item--done .tl-num { color: var(--live); }
.tl-item--now .tl-num { color: var(--accent); }
.tl-title {
  font-family: var(--display); font-weight: 600;
  font-size: 1.05rem; margin: 0 0 .25rem;
}
.tl-when {
  font-family: var(--mono); font-size: .8rem;
  color: var(--fg-dim); display: block; margin-bottom: .2rem;
}
.tl-note { color: var(--fg-dim); font-size: .88rem; margin: 0; }

/* --- Profil-Panels --- */
.panels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
  gap: 1.25rem; align-items: start;
}
.panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.panel__label {
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.2rem;
  padding-bottom: .9rem; border-bottom: 1px solid var(--border);
}
.skill-list { list-style: none; margin: 0; padding: 0; }
.skill-list li {
  padding: .8rem 0; border-bottom: 1px solid var(--border-soft);
  font-size: .9rem;
}
.skill-list li:last-child { border-bottom: none; padding-bottom: 0; }
.skill-list li b { font-weight: 600; color: var(--fg); display: block; margin-bottom: .15rem; }
.skill-list li span { color: var(--fg-dim); }
.cert-title { font-family: var(--display); font-weight: 600; font-size: 1rem; margin: 0 0 .35rem; }
.cert-text { color: var(--fg-dim); font-size: .88rem; }
.cert-img {
  display: block; width: 86px; height: 86px; object-fit: contain;
  border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--bg3); margin: 1rem 0 .6rem;
}
.link-a { display: block; color: var(--accent); font-size: .88rem; margin-top: .35rem; }
.link-a:hover { text-decoration: underline; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  padding: .75rem 0; border-bottom: 1px solid var(--border-soft);
  font-family: var(--mono); font-size: .82rem;
}
.contact-list li:last-child { border-bottom: none; }
.contact-list a {
  color: var(--fg); display: flex; align-items: center; gap: .5rem;
  transition: color .15s;
}
.contact-list a::before { content: "→"; color: var(--accent); }
.contact-list a:hover { color: var(--accent); }
.open-text { margin: 1rem 0 0; color: var(--fg-dim); font-size: .88rem; }

/* --- Footer --- */
.foot {
  border-top: 1px solid var(--border-soft);
  padding-block: 1.8rem 3.5rem;
  display: flex; flex-wrap: wrap; gap: .5rem 2rem;
  justify-content: space-between;
  font-family: var(--mono); font-size: .72rem; color: var(--fg-faint);
}

/* --- Profil-Seite --- */
.profil-hero {
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
  align-items: start;
  padding-block: clamp(2.5rem, 2rem + 3vw, 5rem) 2rem;
}
@media (max-width: 600px) {
  .profil-hero { grid-template-columns: 1fr; }
}
.profil-photo {
  width: clamp(8rem, 15vw, 12rem); aspect-ratio: 1/1; object-fit: cover;
  border-radius: var(--r); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); display: block;
}
.profil-name {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.9rem, 1.3rem + 2.5vw, 3.2rem);
  letter-spacing: -.03em; margin: .4rem 0 .6rem; line-height: 1.1;
}
.profil-role { color: var(--fg-dim); margin: 0 0 1.4rem; font-size: .95rem; }
.prose p { color: var(--fg-dim); margin: 0 0 1.1rem; line-height: 1.75; }
.prose p:last-child { margin-bottom: 0; }

/* --- Scroll-Reveal --- */
.rise { opacity: 0; transform: translateY(12px); }
.rise.in { opacity: 1; transform: none; transition: opacity .55s ease, transform .55s ease; }