/* =============================
   Soluciones Informáticas Mar Menor
   UI: Dev / Terminal Theme (Pro)
   ============================= */

/* ===== Design tokens ===== */
:root{
  --bg:#070b14;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.10);

  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.72);
  --muted2:rgba(255,255,255,.55);

  --border:rgba(255,255,255,.12);

  --accent:#45ffca;
  --accent2:#7aa2ff;
  --accent3:#c084fc;

  --shadow:0 18px 55px rgba(0,0,0,.55);
  --radius:18px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;

  --container: 1120px;
}

/* ===== Base / Reset ===== */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  line-height:1.55;
  background:
    radial-gradient(900px 600px at 12% 5%, rgba(69,255,202,.14), transparent 55%),
    radial-gradient(900px 600px at 88% 10%, rgba(122,162,255,.16), transparent 55%),
    radial-gradient(900px 600px at 70% 90%, rgba(192,132,252,.12), transparent 55%),
    var(--bg);
  overflow-x:hidden;
}

img, svg, video{ max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
strong{ font-weight:900; }

/* Focus accessibility */
:focus-visible{
  outline:2px solid rgba(69,255,202,.65);
  outline-offset:3px;
  border-radius:12px;
}

/* ===== Utils ===== */
.container{ width:min(var(--container), calc(100% - 40px)); margin:0 auto; }
.muted{ color:var(--muted); }
.muted2{ color:var(--muted2); }

.link{
  color:var(--accent);
  font-weight:850;
}
.link:hover{ filter:brightness(1.12); }

/* ===== Ambient FX ===== */
.scanlines{
  position:fixed;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.03),
    rgba(255,255,255,.03) 1px,
    transparent 1px,
    transparent 5px
  );
  opacity:.08;
  mix-blend-mode:overlay;
  z-index:0;
}
.noise{
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  opacity:.06;
  z-index:0;
}
.glow{
  position:fixed;
  inset:-200px;
  pointer-events:none;
  background:radial-gradient(circle at center, rgba(69,255,202,.18), transparent 55%);
  filter:blur(22px);
  opacity:0;
  transition:opacity .15s ease;
  z-index:0;
}

/* ===== Progress bar ===== */
.progress{
  position:fixed;
  inset:0 0 auto 0;
  height:4px;
  z-index:9999;
  background:rgba(255,255,255,.05);
}
.progress>span{
  display:block;
  height:100%;
  width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
}

/* ===== Header / Nav ===== */
.header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(7,11,20,.70);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-mark{
  width:42px; height:42px;
  display:grid; place-items:center;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(135deg, rgba(69,255,202,.18), rgba(122,162,255,.18));
  box-shadow:var(--shadow);
  font-weight:950;
  letter-spacing:.9px;
}
.brand-text strong{ display:block; font-size:14px; }
.brand-text span{ display:block; font-size:12px; color:var(--muted); margin-top:-2px; }

.nav-menu{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-menu a{
  color:var(--muted);
  font-weight:800;
  font-size:14px;
  position:relative;
}
.nav-menu a:hover{ color:var(--text); }
.nav-menu a.is-active{ color:var(--text); }
.nav-menu a.is-active::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-10px;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:999px;
  opacity:.9;
}

.nav-toggle{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px; height:2px;
  background:rgba(255,255,255,.88);
  margin:5px auto;
  border-radius:2px;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(135deg, rgba(69,255,202,.18), rgba(122,162,255,.18));
  color:var(--text);
  font-weight:950;
  box-shadow:0 18px 50px rgba(0,0,0,.35);
  transition:transform .15s ease, filter .15s ease, box-shadow .15s ease;
}
.btn:hover{
  transform:translateY(-1px);
  filter:brightness(1.12);
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.btn:active{ transform:translateY(0); }
.btn-ghost{ background:rgba(255,255,255,.04); box-shadow:none; }
.btn-small{ padding:10px 14px; font-size:14px; }

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:64px 0 18px;
  overflow:hidden;
  z-index:1;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:start;
  position:relative;
  z-index:2;
}
.pill{
  display:inline-flex;
  gap:10px;
  align-items:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-weight:850;
  font-size:13px;
}
.hero h1{
  margin:14px 0 10px;
  font-size:clamp(34px, 4.6vw, 56px);
  line-height:1.05;
  letter-spacing:-0.02em;
}
.accent{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{ color:var(--muted); max-width:62ch; font-size:16px; }

.hero-cta{
  display:flex;
  gap:12px;
  margin-top:18px;
  flex-wrap:wrap;
}
.hero-metrics{
  display:flex;
  gap:14px;
  margin-top:26px;
  flex-wrap:wrap;
}
.metric{
  flex:1 1 160px;
  padding:14px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  position:relative;
  overflow:hidden;
}
.metric::before{
  content:"";
  position:absolute;
  inset:-40px -60px auto -60px;
  height:80px;
  background:linear-gradient(90deg, transparent, rgba(69,255,202,.22), transparent);
  transform:skewX(-20deg);
  opacity:0;
  transition:opacity .2s ease;
}
.metric:hover::before{ opacity:.9; }
.metric-num{ font-size:22px; font-weight:950; letter-spacing:-0.02em; }
.metric-label{ display:block; color:var(--muted2); font-weight:850; font-size:12px; margin-top:2px; }

/* Matrix canvas */
.matrix{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity:.18;
  z-index:1;
}

/* Terminal */
.terminal{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.25);
  box-shadow:var(--shadow);
  overflow:hidden;
  margin:14px 0 14px;
}
.terminal-top{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.dot{ width:10px; height:10px; border-radius:999px; display:inline-block; }
.d1{ background:#ff5f57; }
.d2{ background:#febc2e; }
.d3{ background:#28c840; }
.path{
  margin-left:8px;
  color:rgba(255,255,255,.70);
  font-family:var(--mono);
  font-size:12px;
  font-weight:900;
}
.terminal-line{
  margin:0;
  padding:14px 14px 8px;
  font-family:var(--mono);
  font-weight:850;
}
.terminal-sub{
  margin:0;
  padding:0 14px 14px;
  font-family:var(--mono);
  color:rgba(255,255,255,.70);
  font-size:12px;
}
.terminal-prompt{
  color:rgba(255,255,255,.70);
  margin-right:10px;
}
.cursor{
  display:inline-block;
  animation:blink 1s steps(2,end) infinite;
  opacity:.9;
}
@keyframes blink{ 50%{ opacity:0; } }

/* Backgrounds */
.hero-bg{
  position:absolute;
  inset:-220px -220px auto -220px;
  height:460px;
  background:
    radial-gradient(circle at 30% 40%, rgba(69,255,202,.18), transparent 55%),
    radial-gradient(circle at 70% 20%, rgba(122,162,255,.18), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(192,132,252,.14), transparent 60%);
  filter:blur(10px);
  pointer-events:none;
  z-index:0;
}
.grid-bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 40% 10%, rgba(0,0,0,1), rgba(0,0,0,.2) 55%, rgba(0,0,0,0) 75%);
  opacity:.16;
  pointer-events:none;
  z-index:0;
}

/* Cards */
.card{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  box-shadow:var(--shadow);
  padding:18px;
  position:relative;
}
.hero-card .card{ position:sticky; top:88px; }

.code-hint{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  margin:-6px -6px 12px -6px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}

/* Checklist */
.checklist{
  list-style:none;
  padding:0;
  margin:14px 0 0;
  display:grid;
  gap:10px;
}
.checklist li{
  position:relative;
  padding-left:24px;
  color:var(--muted);
  font-weight:800;
}
.checklist li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:var(--accent);
  font-weight:950;
}
.card-foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  margin-top:16px;
  flex-wrap:wrap;
}
.divider{
  height:1px;
  background:rgba(255,255,255,.10);
  margin:16px 0;
}
.stack{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  font-family:var(--mono);
  font-size:12px;
  font-weight:900;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.82);
}

/* Section */
.section{ padding:70px 0; position:relative; z-index:1; }
.section.alt{
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 70%);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.section-head h2{
  margin:0;
  font-size:28px;
  letter-spacing:-0.02em;
}
.section-head p{
  margin:0;
  color:var(--muted);
  max-width:70ch;
}

/* Grid 3 */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}
.feature{
  padding:18px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  box-shadow:0 14px 40px rgba(0,0,0,.25);
  transition:transform .15s ease, border-color .15s ease, filter .15s ease;
}
.feature:hover{
  transform:translateY(-2px);
  border-color:rgba(69,255,202,.22);
  filter:brightness(1.05);
}
.feature-top{ display:flex; gap:10px; margin-bottom:12px; }
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.86);
  font-weight:950;
  font-size:11px;
  letter-spacing:.7px;
}
.tag2{
  background:rgba(69,255,202,.08);
  border-color:rgba(69,255,202,.22);
}
.feature h3{ margin:0 0 10px; font-size:18px; }
.feature p{ margin:0 0 12px; color:var(--muted); }
.bullets{
  margin:0;
  padding-left:18px;
  color:var(--muted2);
  display:grid;
  gap:6px;
  font-weight:750;
}

/* Timeline */
.timeline{ display:grid; gap:12px; }
.step{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:16px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.step-num{
  width:34px; height:34px;
  border-radius:14px;
  display:grid; place-items:center;
  font-weight:950;
  background:linear-gradient(135deg, rgba(69,255,202,.18), rgba(122,162,255,.18));
  border:1px solid rgba(255,255,255,.12);
}
.step h3{ margin:0 0 6px; font-size:18px; }
.step p{ margin:0; color:var(--muted); }

/* About */
.about{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:16px;
  align-items:start;
}
.about-copy p{ color:var(--muted); }
.about-points{
  margin-top:18px;
  display:grid;
  gap:12px;
}
.point{
  display:flex;
  gap:12px;
  padding:14px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.kbd{
  min-width:48px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  font-family:var(--mono);
  font-weight:950;
  color:rgba(255,255,255,.86);
}

/* Contact */
.contact-final{ text-align:center; }
.contact-center{ max-width:760px; }
.contact-card{ margin:0 auto; padding:28px; }
.contact-info{
  display:grid;
  gap:18px;
  margin:24px 0;
}
.contact-actions{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.contact-note{
  margin:14px 0 0;
  font-family:var(--mono);
  font-size:12px;
}

/* Footer */
.footer{
  padding:32px 0 44px;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.14);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr;
  gap:18px;
}
.footer-brand{
  display:flex;
  gap:12px;
  align-items:center;
  margin-bottom:10px;
}
.footer-links{
  display:grid;
  gap:8px;
  margin-top:8px;
}
.footer-links a{
  color:var(--muted);
  font-weight:780;
}
.footer-links a:hover{ color:var(--text); }

/* Reveal */
.reveal{
  opacity:0;
  transform:translateY(10px);
  transition:opacity .6s ease, transform .6s ease;
  will-change:opacity, transform;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Responsive */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-card .card{ position:relative; top:auto; }
  .grid-3{ grid-template-columns:1fr; }
  .about{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
}
@media (max-width:720px){
  .nav-toggle{ display:block; }
  .nav-menu{
    position:fixed;
    right:20px; left:20px;
    top:74px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:14px;
    border-radius:var(--radius);
    border:1px solid rgba(255,255,255,.12);
    background:rgba(7,11,20,.92);
    backdrop-filter:blur(12px);
    box-shadow:var(--shadow);
  }
  .nav-menu.is-open{ display:flex; }
  .nav-menu a{
    padding:10px 12px;
    border-radius:12px;
    background:rgba(255,255,255,.04);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ transition:none; transform:none; }
  .cursor{ animation:none; }
  .feature, .btn{ transition:none; }
}