/* ============================================================================
   ARGUS NODO · sistema visual
   Chillo y preciso. Animacion solo con transform/opacity. Sin saltos de layout.
   ========================================================================== */

:root {
  /* Lienzo */
  --ink:        #060e12;
  --ink-2:      #0a1519;
  --surface:    #0e1c22;
  --surface-2:  #13252c;
  --line:       rgba(140, 190, 200, 0.14);
  --line-soft:  rgba(140, 190, 200, 0.08);

  /* Tinta */
  --text:       #e6f2f2;
  --text-2:     #a9c4c9;
  --text-3:     #6f8b91;

  /* Acento: la mirada. Menta sobre azul profundo. */
  --mint:       #6ee7c8;
  --mint-dim:   #3ba892;
  --mint-glow:  rgba(110, 231, 200, 0.16);
  /* Arena: lo que hay que arreglar. */
  --sand:       #f2b455;
  --sand-dim:   #b9822c;
  --rose:       #f2837d;

  /* Ritmo */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur:       0.6s;

  --font: "Segoe UI Variable Display", -apple-system, BlinkMacSystemFont, "Segoe UI",
          Inter, Roboto, system-ui, sans-serif;
  --mono: "Cascadia Code", "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--ink);
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Textura sutil: ruido finito, da profundidad sin imagenes. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Halo superior: la luz de una sala a las 3 de la mañana. */
body::after {
  content: "";
  position: fixed;
  top: -28vh;
  left: 50%;
  width: 120vw;
  height: 80vh;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59, 168, 146, 0.20), transparent 62%);
}

main { position: relative; z-index: 2; }

.wrap { width: min(var(--maxw), calc(100% - 48px)); margin-inline: auto; }

/* --------------------------------------------------------------- tipografia */
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.022em; line-height: 1.12; }

h1 { font-size: clamp(2.5rem, 6.2vw, 4.35rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.16rem; letter-spacing: -0.01em; }

p  { margin: 0 0 1.1rem; color: var(--text-2); }
.lead { font-size: clamp(1.06rem, 1.5vw, 1.24rem); color: var(--text-2); max-width: 60ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-glow);
  animation: breathe 4.5s var(--ease-soft) infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1;   box-shadow: 0 0 0 3px var(--mint-glow); }
  50%      { opacity: 0.55; box-shadow: 0 0 0 7px rgba(110, 231, 200, 0.05); }
}

.grad {
  background: linear-gradient(104deg, var(--mint) 0%, #9ff0dd 42%, var(--text) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ----------------------------------------------------------------- enlaces */
a { color: var(--mint); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------------------------------------- botones */
.btn {
  --bg: transparent;
  --bd: var(--line);
  --fg: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.82rem 1.5rem;
  border: 1px solid var(--bd);
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg);
  font-size: 0.96rem;
  font-weight: 550;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease),
              background 0.28s var(--ease), box-shadow 0.28s var(--ease);
  will-change: transform;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }

.btn-primary {
  --bg: var(--mint);
  --bd: var(--mint);
  --fg: #04211b;
  font-weight: 650;
}
.btn-primary:hover { box-shadow: 0 12px 34px -12px var(--mint); }

.btn-ghost:hover { --bd: var(--mint-dim); background: rgba(110, 231, 200, 0.07); }

/* ----------------------------------------------------------------- layout */
section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
section.tight { padding-block: clamp(3rem, 6vw, 4.5rem); }

.sec-head { max-width: 62ch; margin-bottom: 3rem; }
.sec-head h2 { margin-bottom: 0.9rem; }
.sec-head p { margin-bottom: 0; }

/* ------------------------------------------------------------------- hero */
.hero { padding-top: clamp(5rem, 11vw, 8.5rem); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
.hero h1 { margin-bottom: 1.4rem; }
.hero .lead { margin-bottom: 2.2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 2.8rem; }

.hero-note {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-3);
  border-left: 2px solid var(--line);
  padding-left: 1rem;
  margin: 0;
}

/* El visor: una tarjeta que imita el panel de la plataforma. */
.viewer {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(168deg, var(--surface), var(--ink-2));
  padding: 1.3rem;
  box-shadow: 0 40px 90px -50px rgba(0, 0, 0, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.viewer-bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding-bottom: 1rem; margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-soft);
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.dot.on { background: var(--mint-dim); }
.viewer-title { font-family: var(--mono); font-size: 0.78rem; color: var(--text-3); margin-left: auto; }

.gauge { display: flex; align-items: center; gap: 1.4rem; margin-bottom: 1.3rem; }
.gauge-num { font-size: 3.1rem; font-weight: 700; letter-spacing: -0.05em; line-height: 1; color: var(--sand); }
.gauge-meta { font-size: 0.86rem; color: var(--text-3); }
.gauge-meta b { display: block; color: var(--text-2); font-weight: 600; font-size: 0.95rem; letter-spacing: 0; }

.bars { display: grid; gap: 0.55rem; }
.bar { display: grid; grid-template-columns: 78px 1fr 30px; align-items: center; gap: 0.7rem; font-family: var(--mono); font-size: 0.76rem; color: var(--text-3); }
.bar i { display: block; height: 5px; border-radius: 3px; background: var(--line-soft); overflow: hidden; }
.bar i::after { content: ""; display: block; height: 100%; border-radius: 3px; background: var(--mint-dim); }
.bar.medium i::after { background: var(--sand-dim); }
.bar.low    i::after { background: var(--mint-dim); opacity: 0.65; }
.bar.info   i::after { background: var(--line); }

/* --------------------------------------------------------------- rejillas */
.grid { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  padding: 1.5rem;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
  will-change: transform;
}
.card:hover { transform: translateY(-4px); border-color: rgba(110, 231, 200, 0.3); background: var(--surface-2); }
.card h3 { margin-bottom: 0.5rem; }
.card p { margin-bottom: 0; font-size: 0.96rem; }
.card .k { font-family: var(--mono); font-size: 0.76rem; color: var(--mint); display: block; margin-bottom: 0.7rem; }

/* lista de controles verificados */
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 0.15rem 1.6rem; list-style: none; padding: 0; margin: 0; }
.checks li {
  display: flex; gap: 0.7rem; align-items: baseline;
  padding: 0.62rem 0; border-bottom: 1px solid var(--line-soft);
  font-size: 0.94rem; color: var(--text-2);
}
.checks li::before { content: "✓"; color: var(--mint); font-family: var(--mono); font-size: 0.8rem; flex: none; }
.checks li b { color: var(--text); font-weight: 600; display: block; font-size: 0.95rem; }
.checks li span { color: var(--text-3); font-size: 0.87rem; }

/* --------------------------------------------------------- el informe real */
.report {
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}
.shot {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 50px 100px -55px rgba(0, 0, 0, 0.95);
}
.shot img { display: block; width: 100%; height: auto; }

.sig {
  font-family: var(--mono); font-size: 0.78rem; line-height: 1.85;
  color: var(--text-3); background: var(--ink-2);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.1rem 1.25rem; margin: 1.4rem 0;
  overflow-wrap: anywhere;
}
.sig b { color: var(--mint); font-weight: 500; }

/* --------------------------------------------------------------- proceso */
.steps { counter-reset: s; display: grid; gap: 1.6rem; }
.step { display: grid; grid-template-columns: 58px 1fr; gap: 1.4rem; align-items: start; }
.step::before {
  counter-increment: s;
  content: "0" counter(s);
  font-family: var(--mono); font-size: 0.82rem; color: var(--mint);
  border: 1px solid var(--line); border-radius: 50%;
  width: 46px; height: 46px; display: grid; place-items: center;
  background: var(--surface);
}
.step h3 { margin-bottom: 0.35rem; }
.step p { margin: 0; font-size: 0.97rem; }

/* ------------------------------------------------------------------- diff */
.diff {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem;
}
.diff div { border: 1px solid var(--line); border-radius: var(--r); padding: 1.25rem; background: var(--surface); }
.diff b { display: block; font-size: 1.9rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.2rem; }
.diff span { font-size: 0.88rem; color: var(--text-3); }
.diff .fixed b { color: var(--mint); }
.diff .new b { color: var(--sand); }
.diff .same b { color: var(--text-3); }

/* --------------------------------------------------------------- servicios */
.svc { position: relative; overflow: hidden; }
.svc::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--mint-glow), transparent 62%);
  opacity: 0; transition: opacity 0.45s var(--ease);
}
.svc:hover::after { opacity: 1; }
.svc .tag {
  display: inline-block; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-3);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.2rem 0.6rem; margin-bottom: 1rem;
}
.svc .price { font-size: 1.5rem; font-weight: 650; letter-spacing: -0.02em; margin-top: 1.1rem; }
.svc .price small { font-size: 0.82rem; font-weight: 400; color: var(--text-3); letter-spacing: 0; }

/* ---------------------------------------------------------------- precios */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: start; }
.plan { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.7rem; background: var(--surface); }
.plan.feature { border-color: var(--mint-dim); background: linear-gradient(168deg, var(--surface-2), var(--surface)); box-shadow: 0 30px 70px -45px var(--mint); }
.plan h3 { margin-bottom: 0.3rem; }
.plan .amount { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.045em; margin: 0.9rem 0 0.2rem; }
.plan .amount small { font-size: 0.9rem; font-weight: 400; color: var(--text-3); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 1.3rem 0 0; }
.plan li { padding: 0.5rem 0; border-top: 1px solid var(--line-soft); font-size: 0.93rem; color: var(--text-2); display: flex; gap: 0.6rem; }
.plan li::before { content: "·"; color: var(--mint); font-weight: 700; }
.plan .btn { width: 100%; justify-content: center; margin-top: 1.5rem; }

/* -------------------------------------------------------------- contacto */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.field { display: block; margin-bottom: 1.1rem; }
.field span { display: block; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); margin-bottom: 0.45rem; }
.field input, .field textarea {
  width: 100%; padding: 0.8rem 1rem; font: inherit; font-size: 0.97rem;
  color: var(--text); background: var(--ink-2);
  border: 1px solid var(--line); border-radius: var(--r-sm);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--mint-dim); box-shadow: 0 0 0 3px var(--mint-glow);
}
.field textarea { min-height: 128px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); opacity: 0.6; }

/* ------------------------------------------------------------------- pie */
footer { border-top: 1px solid var(--line-soft); padding: 3rem 0 3.5rem; color: var(--text-3); font-size: 0.88rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: space-between; align-items: center; }
footer .mono { font-family: var(--mono); }

/* --------------------------------------------------------------- animacion
   El estado oculto SOLO se aplica si hay JS: sin JS, .reveal se queda visible.
   Asi la pagina nunca aparece en blanco si el script falla o esta bloqueado. */
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.in {
  opacity: 1; transform: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--d, 0s);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------- responsive */
@media (max-width: 980px) {
  .hero-grid, .report, .contact { grid-template-columns: 1fr; }
  .grid-3, .plans, .diff { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  body { font-size: 16px; }
}