/* =========================================================
   Servicio Técnico de TV — Tucumán
   Paleta: placa electrónica oscura + verde circuito + ámbar multímetro
   ========================================================= */

:root {
  --bg:        #0E1512;
  --bg-alt:    #121C18;
  --surface:   #17221D;
  --surface-2: #1D2B24;
  --line:      #2A3A32;

  --green:     #5CD98A;
  --green-dim: #3B8F5E;
  --amber:     #F5A623;

  --ink:       #EAF1EC;
  --ink-dim:   #A9BBB2;
  --ink-faint: #6E8177;

  --cream:     #F4F1E8;
  --cream-ink: #14201A;

  --display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --body:    'IBM Plex Sans', sans-serif;
  --mono:    'IBM Plex Mono', monospace;

  --radius: 3px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.01em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- signature: circuit trace rail ---------- */
.trace-rail {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 28px;
  z-index: 5;
  display: none;
  pointer-events: none;
}
@media (min-width: 1280px) {
  .trace-rail { display: block; }
}
.trace-rail::before {
  content: "";
  position: absolute;
  left: 13px; top: 0; bottom: 0; width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--line) 0px, var(--line) 6px,
    transparent 6px, transparent 14px
  );
}
.trace-rail::after {
  content: "";
  position: absolute;
  left: 8px; width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--green);
  background: var(--bg);
  box-shadow: 0 0 8px rgba(92,217,138,0.5);
  animation: trace-pulse 7s linear infinite;
}
@keyframes trace-pulse {
  0%   { top: 4%; opacity: 0; }
  6%   { opacity: 1; }
  46%  { opacity: 1; }
  50%  { top: 96%; opacity: 0; }
  100% { top: 96%; opacity: 0; }
}

/* ---------- layout helpers ---------- */
.section__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 32px;
}
.section__inner--narrow { max-width: 760px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
}
.eyebrow--dark { color: var(--green-dim); }
.eyebrow__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px rgba(92,217,138,0.8);
  flex: none;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(14,21,18,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 700;
  font-size: 16px; margin-right: auto;
}
.nav__brand-mark {
  width: 30px; height: 30px; border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
}
.nav__brand-text { white-space: nowrap; }
.nav__links {
  display: none;
  gap: 26px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-dim);
}
.nav__links a:hover { color: var(--green); }
@media (min-width: 860px) { .nav__links { display: flex; } }

.nav__cta {
  display: flex; align-items: center; gap: 8px;
  background: var(--green);
  color: #08130D;
  font-weight: 600; font-size: 13.5px;
  padding: 9px 16px; border-radius: 999px;
  white-space: nowrap;
  transition: transform .15s ease, background .15s ease;
}
.nav__cta:hover { background: #74e6a3; transform: translateY(-1px); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--body); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 999px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--green); color: #08130D; }
.btn--primary:hover { background: #74e6a3; transform: translateY(-1px); }
.btn--ghost { color: var(--ink); border: 1px solid rgba(234,241,236,0.28); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--outline { border: 1px solid var(--line); color: var(--ink); }
.btn--outline:hover { border-color: var(--green); color: var(--green); }
.btn--lg { padding: 15px 28px; font-size: 15.5px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(9,14,12,0.55) 0%, rgba(9,14,12,0.55) 30%, rgba(9,14,12,0.94) 92%),
    linear-gradient(90deg, rgba(9,14,12,0.75) 0%, rgba(9,14,12,0.25) 55%);
}
.hero__content {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 32px 76px;
  width: 100%;
}
.hero h1 {
  font-size: clamp(38px, 6.4vw, 74px);
  font-weight: 700;
  line-height: 1.03;
  color: var(--cream);
  max-width: 16ch;
}
.hero__sub {
  font-size: 17.5px;
  color: rgba(234,241,236,0.86);
  max-width: 46ch;
  margin: 22px 0 32px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- services ---------- */
.services { background: var(--cream); color: var(--cream-ink); }
.services h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  max-width: 14ch;
}
.services__lead {
  font-size: 17px;
  max-width: 56ch;
  color: rgba(20,32,26,0.75);
  margin: 18px 0 48px;
}
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 760px) {
  .cards { grid-template-columns: 1fr 1fr; }
}
.card {
  background: #fff;
  border: 1px solid rgba(20,32,26,0.1);
  border-radius: var(--radius);
  overflow: hidden;
}
.card__media { position: relative; aspect-ratio: 4/3; }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__tag {
  position: absolute; left: 14px; bottom: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
  background: rgba(14,21,18,0.85); color: var(--amber);
  padding: 6px 10px; border-radius: 3px;
}
.card__body { padding: 24px 26px 28px; }
.card__body h3 { font-size: 20px; margin-bottom: 10px; }
.card__body p { margin: 0; color: rgba(20,32,26,0.72); font-size: 15px; }

/* ---------- trajectory ---------- */
.trajectory { background: var(--bg); }
.trajectory h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  max-width: 20ch;
  margin-bottom: 44px;
}
.timeline {
  display: grid;
  gap: 28px;
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.timeline__item { position: relative; }
.timeline__item::before {
  content: "";
  position: absolute; left: -33px; top: 6px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--bg), 0 0 8px rgba(92,217,138,0.6);
}
.timeline__year {
  font-family: var(--mono); font-size: 13px; color: var(--amber);
  letter-spacing: 0.06em; display: block; margin-bottom: 8px;
}
.timeline__item p { margin: 0; color: var(--ink-dim); font-size: 16px; max-width: 62ch; }

/* ---------- contact ---------- */
.contact { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact__inner { text-align: left; }
.contact h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 700;
  color: var(--cream);
}
.contact__lead {
  color: var(--ink-dim);
  font-size: 16.5px;
  max-width: 54ch;
  margin: 18px 0 34px;
}
.contact__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- location ---------- */
.location {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 560px;
}
@media (min-width: 900px) {
  .location { grid-template-columns: 1.3fr 1fr; min-height: 480px; }
}
.location__map { min-height: 320px; background: var(--surface-2); filter: grayscale(0.25) invert(0.92) contrast(0.9); }
.location__panel {
  background: var(--bg-alt);
  padding: 64px 40px;
  display: flex; flex-direction: column; justify-content: center;
}
.location__panel h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 30px; }
.location__list { list-style: none; margin: 0 0 34px; padding: 0; display: grid; gap: 20px; }
.location__list li { display: flex; gap: 14px; align-items: flex-start; }
.location__list svg { color: var(--green); flex: none; margin-top: 2px; }
.location__list strong { display: block; font-size: 14.5px; margin-bottom: 3px; }
.location__list span { color: var(--ink-dim); font-size: 14.5px; }
.location__list [data-editable] { color: var(--amber); }

/* ---------- footer ---------- */
.footer { background: var(--bg-alt); border-top: 1px solid var(--line); }
.footer__inner {
  padding: 26px 32px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-faint);
}
.footer__inner a:hover { color: var(--green); }