/* TI Evolution - piloto 2 (29/10/2026), tema escuro com o azul da logo. Sem CDN. */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --bg: #0d1b2a;
  --surface: #15293d;
  --surface-2: #1b3349;
  --line: #2c4157;
  --text: #e9eef3;
  --soft: #9fb0c0;
  --accent: #1aa3da;
  --accent-hi: #4cc3f2;
  --on-accent: #0d1b2a;
  --footer: #09121b;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap: 1120px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--accent-hi);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.6rem 1rem;
  z-index: 20;
}
.skip:focus { top: 1rem; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 720px) { .wrap { padding-inline: 2rem; } }

/* ---------- cabecalho ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 27, 42, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding-block: 0.75rem;
}

.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { height: 2.9rem; width: auto; }

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.1rem 1.25rem;
  font-size: 0.95rem;
}
.nav a {
  text-decoration: none;
  color: var(--soft);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--text); border-bottom-color: var(--accent); }
.nav .nav-cta {
  background: #fff;
  color: var(--bg);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0.55rem 1.1rem;
  border-radius: 3px;
  border-bottom: 0;
}
.nav .nav-cta:hover { background: var(--accent-hi); color: var(--bg); }

/* ---------- hero ---------- */
.hero { padding-block: 3rem 3.5rem; }
.hero .wrap { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) {
  .hero { padding-block: 5rem 5.5rem; }
  .hero .wrap { grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; }
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 1.25rem;
}

h1, h2 {
  text-transform: uppercase;
  letter-spacing: -0.015em;
  font-weight: 800;
  text-wrap: balance;
}
h1 {
  font-size: clamp(2.2rem, 5.2vw + 0.5rem, 4rem);
  line-height: 1.02;
  margin: 0 0 1.25rem;
}
h1 em { font-style: normal; color: var(--accent); }
.lead {
  font-size: 1.2rem;
  color: var(--soft);
  max-width: 34rem;
  margin: 0 0 2rem;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border: 2px solid var(--text);
  border-radius: 3px;
  min-height: 3rem;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn-ghost:hover { background: var(--text); color: var(--bg); }
.btn:active { transform: translateY(1px); }

/* diagrama */
.diagram {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}
.diagram svg { width: 100%; height: auto; }
.diagram text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--soft);
  letter-spacing: 0.04em;
}
.diagram .node { fill: var(--surface-2); stroke: var(--line); stroke-width: 1.5; }
.diagram .wire { stroke: var(--line); stroke-width: 1.5; fill: none; }
.diagram .dot { fill: var(--soft); }
.diagram .uplink {
  stroke: var(--accent);
  stroke-width: 2.5;
  fill: none;
  stroke-dasharray: 6 8;
  animation: flow 1.4s linear infinite;
}
.diagram .core-ring { fill: none; stroke: var(--accent); stroke-width: 2; }
.diagram .core-fill { fill: var(--surface-2); }
.diagram .core-label { fill: var(--text); }
@keyframes flow { to { stroke-dashoffset: -28; } }

/* ---------- secoes ---------- */
section { padding-block: 4rem; }
@media (min-width: 900px) { section { padding-block: 5.5rem; } }

h2 {
  font-size: clamp(1.7rem, 2.8vw + 0.6rem, 2.6rem);
  line-height: 1.06;
  margin: 0 0 1rem;
}
.label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.9rem;
}
.section-intro { color: var(--soft); max-width: 36rem; margin: 0 0 2.5rem; }

/* servicos: lista com divisores */
.services { border-top: 1px solid var(--line); }
.svc-list { list-style: none; margin: 0; padding: 0; }
.svc-list li {
  display: grid;
  gap: 0.5rem 2rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 800px) {
  .svc-list li { grid-template-columns: 0.8fr 1.3fr 0.9fr; align-items: baseline; }
}
.svc-list h3 {
  font-size: 1.3rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}
.svc-list p { margin: 0; color: var(--soft); }
.svc-list .stack {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--accent);
}
.svc-list .stack span { display: block; }
.svc-list .stack span + span { color: var(--soft); }
@media (min-width: 800px) { .svc-list .stack { text-align: right; } }

/* como trabalhamos */
.method { background: var(--surface); border-block: 1px solid var(--line); }
.pillars { display: grid; gap: 2.25rem 3rem; margin: 0; }
@media (min-width: 760px) { .pillars { grid-template-columns: 1fr 1fr; } }
.pillar { border-left: 3px solid var(--line); padding-left: 1.25rem; }
.pillar:first-child { border-left-color: var(--accent); }
.pillar h3 { font-size: 1.25rem; margin: 0 0 0.4rem; }
.pillar p { margin: 0; color: var(--soft); }

/* tecnologias */
.tech-group + .tech-group { margin-top: 2rem; }
.tech-group h3 {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--soft);
  margin: 0 0 0.75rem;
}
.tech-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}
.tech-list li {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 3px;
  padding: 0.4rem 0.9rem;
}

/* atendimento */
.support { border-top: 1px solid var(--line); }
.support-grid { display: grid; gap: 2rem 3rem; }
@media (min-width: 900px) { .support-grid { grid-template-columns: 1fr 1.1fr; } }
.support .actions { margin-top: 0.5rem; }
.support dl { margin: 0; display: grid; gap: 1.5rem; }
.support dt { font-weight: 700; font-size: 1.1rem; }
.support dd { margin: 0.15rem 0 0; color: var(--soft); }

/* contato */
.contact { background: var(--accent); color: var(--on-accent); }
.contact h2 { margin-bottom: 0.75rem; }
.contact p { max-width: 34rem; margin: 0 0 1.75rem; }
.contact .btn { border-color: var(--on-accent); }
.contact .btn-solid { background: var(--on-accent); color: #fff; }
.contact .btn-solid:hover { background: #000; }
.contact .btn-line:hover { background: var(--on-accent); color: #fff; }
.contact .small { margin: 1.5rem 0 0; font-size: 0.95rem; }
.contact .small a { font-weight: 600; }

/* rodape */
.site-footer {
  background: var(--footer);
  color: var(--soft);
  padding-block: 2rem;
  font-size: 0.9rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
}
.site-footer a { color: var(--text); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .diagram .uplink { animation: none; }
  .btn { transition: none; }
}