/* ============================================
   LEMA Consultoria — Blueprint / Systems theme
   ============================================ */

:root{
  --bg-void: #0B1220;
  --bg-panel: #121B2B;
  --bg-panel-alt: #17233A;
  --bg-panel-raised: #1C2A44;

  --line: rgba(140, 160, 184, 0.14);
  --line-strong: rgba(140, 160, 184, 0.28);

  --text-primary: #E8EDF4;
  --text-muted: #93A6BE;
  --text-faint: #5D7089;

  --accent-signal: #4C8DFF;
  --accent-signal-dim: rgba(76, 141, 255, 0.14);
  --accent-alert: #FFB454;
  --accent-alert-dim: rgba(255, 180, 84, 0.14);
  --accent-ok: #35D07F;
  --accent-warn: #FFB454;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 10px;
  --wrap: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; }
ul{ margin: 0; padding: 0; list-style: none; }

a{ color: inherit; text-decoration: none; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent-signal);
  color: #04101F;
  padding: 10px 16px;
  z-index: 999;
  border-radius: 0 0 6px 0;
  font-weight: 600;
}
.skip-link:focus{ left: 0; }

:focus-visible{
  outline: 2px solid var(--accent-alert);
  outline-offset: 2px;
}

/* Background blueprint grid */
.grid-overlay{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
  opacity: 0.55;
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--accent-alert);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
}
.eyebrow .dot{
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-ok);
  box-shadow: 0 0 0 3px var(--accent-alert-dim);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
.eyebrow-block{ color: var(--text-faint); }
.eyebrow-block::before{
  content: "";
  width: 18px; height: 1px;
  background: var(--accent-signal);
  display: inline-block;
}

@keyframes pulse-dot{
  0%, 100%{ opacity: 1; }
  50%{ opacity: 0.35; }
}

.section-lead{
  color: var(--text-muted);
  max-width: 620px;
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }

.btn-primary{
  background: var(--accent-signal);
  color: #05101F;
}
.btn-primary:hover{ background: #6BA0FF; }

.btn-ghost{
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text-primary);
}
.btn-ghost:hover{ border-color: var(--accent-signal); }

.btn-block{ width: 100%; }

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-word{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}
.logo-word-accent{
  color: var(--accent-signal);
  font-weight: 500;
}

.main-nav{
  display: flex;
  gap: 32px;
}
.main-nav a{
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.15s ease;
}
.main-nav a:hover{ color: var(--text-primary); }

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

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  cursor: pointer;
}
.nav-toggle span{
  height: 2px;
  margin: 0 7px;
  background: var(--text-primary);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  z-index: 1;
  padding: 88px 0 64px;
}

.hero-inner{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1{
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  margin-bottom: 0.4em;
}

.hero-lead{
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 540px;
}

.hero-ctas{
  display: flex;
  gap: 14px;
  margin: 28px 0 44px;
  flex-wrap: wrap;
}

.hero-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin: 0;
}
.hero-stats dt{
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 6px;
  line-height: 1.4;
}
.hero-stats dd{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--text-primary);
}
.hero-stats dd span{
  font-size: 0.9rem;
  color: var(--accent-signal);
  margin-left: 2px;
}

/* Hero topology diagram */
.hero-diagram{ display: flex; justify-content: center; }
.topology{ width: 100%; max-width: 460px; height: auto; }

.topology .ring{ fill: none; stroke: var(--line); stroke-width: 1; }
.topology .ring-2{ stroke-dasharray: 4 6; }

.topology .link{
  stroke: var(--accent-signal);
  stroke-width: 1.4;
  stroke-dasharray: 6 6;
  opacity: 0.55;
  animation: dash-flow 3s linear infinite;
}
@keyframes dash-flow{
  to{ stroke-dashoffset: -60; }
}

.topology .hub circle{
  fill: var(--bg-panel-raised);
  stroke: var(--accent-signal);
  stroke-width: 2;
}
.topology .hub text{
  fill: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  text-anchor: middle;
}

.topology .node circle{
  fill: var(--bg-panel-raised);
  stroke: var(--accent-alert);
  stroke-width: 2;
  transform-origin: center;
  transform-box: fill-box;
  animation: node-pulse 3.2s ease-in-out infinite;
  animation-delay: var(--d, 0s);
}
.topology .node text{
  fill: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-anchor: middle;
}
@keyframes node-pulse{
  0%, 100%{ transform: scale(1); }
  50%{ transform: scale(1.15); }
}

/* ---------- Trust strip ---------- */
.trust-strip{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-panel);
  position: relative;
  z-index: 1;
}
.trust-inner{ padding: 18px 24px; text-align: center; }
.trust-inner p{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

/* ---------- Services ---------- */
.services{ padding: 96px 0; position: relative; z-index: 1; }

.services h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); max-width: 700px; }

.service-grid{
  margin-top: 44px;
  display: grid;
  gap: 14px;
}

.service-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
  overflow: hidden;
  transition: border-color 0.15s ease;
}
.service-card:hover{ border-color: var(--line-strong); }

.service-head{
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  background: transparent;
  border: none;
  color: inherit;
  padding: 22px 24px;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.service-index{
  font-family: var(--font-mono);
  color: var(--accent-signal);
  font-size: 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 4px 8px;
  flex-shrink: 0;
}

.service-title{ flex: 1; }
.service-title h3{ margin: 0 0 4px; font-size: 1.15rem; }
.service-sub{ font-size: 0.88rem; color: var(--text-faint); }

.service-toggle{
  font-size: 1.4rem;
  color: var(--text-faint);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.service-card[data-open="true"] .service-toggle{ transform: rotate(45deg); color: var(--accent-alert); }

.service-body{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}
.service-card[data-open="true"] .service-body{ grid-template-rows: 1fr; }
.service-body > ul{ overflow: hidden; }

.service-body ul{
  padding: 0 24px 24px 68px;
  display: grid;
  gap: 10px;
}
.service-body li{
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.service-body li::before{
  content: "";
  position: absolute;
  left: -18px;
  top: 8px;
  width: 6px; height: 6px;
  background: var(--accent-signal);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* ---------- Process ---------- */
.process{
  padding: 96px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.process h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); max-width: 700px; }

.process-steps{
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
  list-style: none;
  padding: 0;
}
.process-steps li{
  position: relative;
  padding-top: 20px;
  border-top: 2px solid var(--accent-signal);
}
.step-index{
  display: block;
  font-family: var(--font-mono);
  color: var(--accent-alert);
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.process-steps h3{ font-size: 1.1rem; margin-bottom: 8px; }
.process-steps p{ color: var(--text-muted); font-size: 0.94rem; margin: 0; }

/* ---------- About ---------- */
.about{ padding: 96px 0; position: relative; z-index: 1; }

.about-inner{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.about h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
.about-copy p{ color: var(--text-muted); }

.about-facts{
  margin-top: 32px;
  display: grid;
  gap: 18px;
}
.about-facts li{
  display: grid;
  gap: 4px;
  border-left: 2px solid var(--accent-signal);
  padding-left: 16px;
}
.about-facts strong{ font-size: 1rem; }
.about-facts span{ color: var(--text-faint); font-size: 0.9rem; }

.about-panel{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}
.panel-row{
  display: flex;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--text-muted);
}
.panel-row:last-child{ border-bottom: none; }
.panel-row .ok{ color: var(--accent-ok); }
.panel-row .warn{ color: var(--accent-warn); }

/* ---------- Contact ---------- */
.contact{
  padding: 96px 0 110px;
  background: var(--bg-panel);
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

.contact-inner{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.contact h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
.contact-intro p{ color: var(--text-muted); max-width: 460px; }

.contact-channels{
  margin-top: 32px;
  display: grid;
  gap: 12px;
}
.contact-channels a{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.contact-channels a:hover{
  border-color: var(--accent-signal);
  background: var(--accent-signal-dim);
}
.ch-label{ color: var(--text-faint); font-family: var(--font-mono); font-size: 0.78rem; }
.ch-value{ font-weight: 600; }

.contact-form{
  background: var(--bg-panel-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 18px;
}
.form-row{ display: grid; gap: 6px; }
.form-row label{
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.form-row input,
.form-row select,
.form-row textarea{
  background: var(--bg-void);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  border-color: var(--accent-signal);
  outline: none;
}

.form-note{
  margin: 0;
  font-size: 0.86rem;
  min-height: 1.2em;
  color: var(--accent-ok);
}
.form-note[data-state="error"]{ color: #FF6B6B; }

/* ---------- Footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding-top: 56px;
  position: relative;
  z-index: 1;
}
.footer-inner{
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand p{
  color: var(--text-faint);
  max-width: 320px;
  margin-top: 12px;
  font-size: 0.92rem;
}
.footer-cols{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.footer-cols h4{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  margin: 0 0 14px;
  text-transform: uppercase;
}
.footer-cols a{
  display: block;
  color: var(--text-muted);
  padding: 6px 0;
  font-size: 0.92rem;
}
.footer-cols a:hover{ color: var(--text-primary); }

.footer-bottom{
  border-top: 1px solid var(--line);
  padding: 20px 24px;
}
.footer-bottom p{
  margin: 0;
  color: var(--text-faint);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-diagram{ order: -1; max-width: 340px; margin: 0 auto; }
  .about-inner,
  .contact-inner{ grid-template-columns: 1fr; }
  .process-steps{ grid-template-columns: repeat(2, 1fr); }
  .footer-inner{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .main-nav{
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg-void);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }
  .main-nav.open{ display: flex; }
  .main-nav a{ padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display: flex; }
  .header-actions .btn-primary{ display: none; }
  .hero-stats{ grid-template-columns: 1fr; }
  .process-steps{ grid-template-columns: 1fr; }
  .service-body ul{ padding-left: 24px; }
}