:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #111825;
  --panel-2: #151d2c;
  --ink: #f5f2e8;
  --muted: #a9b8cc;
  --line: rgba(175, 195, 220, 0.2);
  --blue: #56c7ff;
  --gold: #d9b86f;
  --green: #33d6a6;
  --rose: #ef8bb5;
  --max: 1160px;
}

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

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(86, 199, 255, 0.14), transparent 32rem),
    radial-gradient(circle at 80% 20%, rgba(217, 184, 111, 0.11), transparent 30rem),
    linear-gradient(180deg, #070a0f 0%, #0b1018 48%, #070a0f 100%);
  color: var(--ink);
}

a { color: inherit; }
strong { color: var(--ink); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 15, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(86, 199, 255, 0.5);
  color: var(--blue);
  background: rgba(86, 199, 255, 0.08);
  font-size: 13px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink); }

.nav .manual-link {
  color: #081018;
  background: var(--gold);
  padding: 9px 12px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: min(720px, calc(100vh - 68px));
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 10, 15, 0.94), rgba(7, 10, 15, 0.68) 45%, rgba(7, 10, 15, 0.2)),
    linear-gradient(180deg, rgba(7, 10, 15, 0.18), #070a0f 100%),
    url("assets/delta-cross-hero.png") center / cover no-repeat;
  transform: scale(1.02);
}

.hero-inner {
  position: relative;
  width: min(var(--max), calc(100vw - 48px));
  margin: 0 auto;
  padding: 86px 0 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  max-width: 860px;
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  /* Ajuste: reduz o máximo do H1 para não ficar “gigante” em telas grandes */
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.04;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: #d6deea;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--blue);
  color: #061019;
  border-color: var(--blue);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0d131d;
}

.signal-strip span {
  padding: 18px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  border-right: 1px solid var(--line);
}

.signal-strip span:last-child { border-right: 0; }

.section {
  width: min(var(--max), calc(100vw - 48px));
  margin: 0 auto;
  padding: 86px 0;
}

.section.tight { padding-top: 48px; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 32px;
}

h2 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.04;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

p {
  color: var(--muted);
  line-height: 1.72;
}

.section-head p { margin: 0; font-size: 17px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
  padding: 24px;
  min-height: 240px;
}

.card .num {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--gold);
  font-weight: 900;
}

.card p { margin: 0; }

.manual-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: stretch;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 22px;
}

.manual-panel .status {
  display: grid;
  gap: 12px;
}

.kv {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.kv strong {
  color: var(--ink);
  text-align: right;
}

.footer {
  padding: 34px max(24px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #060910;
  line-height: 1.7;
}

.footer strong { color: var(--ink); }

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    flex-wrap: wrap;
  }

  .hero-inner { padding-top: 70px; }

  .signal-strip,
  .section-head,
  .grid,
  .manual-panel {
    grid-template-columns: 1fr;
  }

  .signal-strip span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav .manual-link {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero-inner,
  .section {
    width: min(var(--max), calc(100vw - 28px));
  }

  h1 { font-size: 36px; }
  h2 { font-size: 30px; }
}

/* RAG DATA product layer */
.product-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 10, 15, 0.96), rgba(7, 10, 15, 0.78) 46%, rgba(7, 10, 15, 0.32)),
    radial-gradient(circle at 70% 34%, rgba(51, 214, 166, 0.24), transparent 24rem),
    linear-gradient(180deg, rgba(7, 10, 15, 0.18), #070a0f 100%),
    url("assets/delta-cross-hero.png") center / cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 40px;
  align-items: end;
}

.hero-console {
  border: 1px solid rgba(86, 199, 255, 0.32);
  background:
    linear-gradient(180deg, rgba(6, 16, 25, 0.84), rgba(8, 12, 19, 0.72)),
    repeating-linear-gradient(0deg, rgba(86,199,255,0.06) 0 1px, transparent 1px 12px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36), inset 0 0 36px rgba(86,199,255,0.06);
  padding: 22px;
  backdrop-filter: blur(10px);
}

.console-label {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.console-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(175, 195, 220, 0.18);
}

.console-row span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.console-row strong {
  color: #e9f6ff;
  line-height: 1.35;
}

.neon-panel {
  background:
    radial-gradient(circle at top right, rgba(51, 214, 166, 0.12), transparent 24rem),
    linear-gradient(180deg, rgba(17, 24, 37, 0.98), rgba(11, 16, 24, 0.98));
}

.scope-panel {
  background:
    radial-gradient(circle at top left, rgba(217, 184, 111, 0.13), transparent 22rem),
    linear-gradient(180deg, rgba(17, 24, 37, 0.98), rgba(11, 16, 24, 0.98));
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.step-card {
  position: relative;
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(86,199,255,0.08), rgba(255,255,255,0.02));
  overflow: hidden;
}

.step-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -70px auto;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(51, 214, 166, 0.18);
  transform: rotate(45deg);
}

.step-card span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 24px;
  color: #061019;
  background: var(--green);
  font-weight: 900;
}

.step-card p { margin-bottom: 0; }

.muted-link {
  background: rgba(255,255,255,0.08) !important;
  color: var(--ink) !important;
  border: 1px solid var(--line);
}

.lang-pill {
  background: #56c7ff !important;
  color: #061019 !important;
}

@media (max-width: 980px) {
  .hero-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero-console,
  .step-card {
    min-height: auto;
  }
}

.mini-hero {
  min-height: 520px;
}

.mini-hero .hero-inner {
  padding-top: 96px;
}