/* ── AKRES — TECH-FORWARD LANDING ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-0:     #05080f;
  --bg-1:     #0a0f1c;
  --bg-2:     #0f1729;
  --bg-3:     #18223a;
  --line:     oklch(100% 0 0 / 0.06);
  --line-2:   oklch(100% 0 0 / 0.12);

  --cyan:     #00d4ff;
  --cyan-2:   #1ae8c8;
  --green:    #34d399;
  --amber:    #fbbf24;
  --pink:     #f472b6;
  --violet:   #a78bfa;

  --text:        #e8ecf2;
  --text-mute:   #8995ac;
  --text-faint:  #5a6680;

  --font:     'Inter', sans-serif;
  --font-h:   'Plus Jakarta Sans', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --max-w:    1240px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}
h1, h2, h3, h4 { font-family: var(--font-h); line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }

/* Page-wide grid bg */
.grid-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(oklch(100% 0 0 / 0.018) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
}
.grid-bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, oklch(72% 0.18 200 / 0.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 30%, oklch(70% 0.18 280 / 0.05), transparent 60%);
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: oklch(from #05080f l c h / 0.7);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 32px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-h); font-weight: 800; font-size: 20px;
  color: var(--text);
  display: flex; align-items: center; gap: 9px;
}
.nav-logo-mark {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 4px 16px oklch(72% 0.18 200 / 0.35));
}
.nav-logo-mark svg { width: 100%; height: 100%; display: block; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 13.5px; font-weight: 500;
  color: var(--text-mute); transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-family: var(--font-h); font-weight: 600; font-size: 13px;
  padding: 9px 18px; border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  color: #001a22;
  box-shadow: 0 4px 20px oklch(72% 0.18 200 / 0.25);
  transition: transform 0.15s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 24px oklch(72% 0.18 200 / 0.4); }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
}
.mobile-menu {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  padding: 24px 32px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 12px 0;
  font-size: 15px; font-weight: 500;
  color: var(--text-mute);
  border-bottom: 1px solid var(--line);
}

/* SHARED BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-h); font-weight: 600;
  font-size: 14.5px;
  padding: 13px 24px;
  border-radius: 9px;
  cursor: pointer; transition: all 0.2s;
  white-space: nowrap;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  color: #001a22;
  box-shadow: 0 4px 24px oklch(72% 0.18 200 / 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 32px oklch(72% 0.18 200 / 0.45); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { background: var(--bg-2); border-color: var(--cyan); }

/* HERO */
.hero { padding: 140px 32px 80px; position: relative; overflow: hidden; }
.hero-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: 56px; align-items: center;
}
.hero-pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 14px 6px 8px;
  border: 1px solid var(--line-2);
  background: oklch(from var(--bg-2) l c h / 0.7);
  border-radius: 100px;
  font-size: 12px;
  font-family: var(--font-mono); font-weight: 500;
  color: var(--text-mute);
  margin-bottom: 28px;
}
.hero-pill-badge {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  color: #001a22;
  font-weight: 700; font-size: 10px;
  padding: 3px 8px; border-radius: 100px;
  letter-spacing: 0.04em;
}
.hero-pill .dot {
  width: 6px; height: 6px; background: var(--green); border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  text-wrap: balance;
  line-height: 1.1;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-2) 60%, var(--violet) 110%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero p.sub {
  font-size: 17px; color: var(--text-mute);
  max-width: 540px; margin-bottom: 40px; line-height: 1.7;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-meta {
  margin-top: 56px; padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex; gap: 40px; flex-wrap: wrap;
}
.hero-meta-val {
  font-family: var(--font-h); font-weight: 800;
  font-size: 26px; color: var(--text);
}
.hero-meta-val span {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-meta-label {
  font-size: 12px; color: var(--text-faint);
  font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* HERO VISUAL */
.hero-visual { position: relative; }
.integration-diagram {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 26px 26px 18px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 80px oklch(0% 0 0 / 0.5), inset 0 1px 0 oklch(100% 0 0 / 0.06);
}
.integration-diagram::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(oklch(100% 0 0 / 0.025) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.id-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; position: relative; z-index: 1;
}
.id-title {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.id-status {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--green);
}
.id-status::before {
  content: ''; width: 6px; height: 6px;
  background: var(--green); border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}

.id-canvas {
  position: relative;
  height: 620px;
  z-index: 1;
}
.id-node {
  position: absolute;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 8px 11px;
  display: flex; align-items: center; gap: 9px;
  min-width: 132px;
  box-shadow: 0 8px 28px oklch(0% 0 0 / 0.45);
  transition: border-color 0.25s, box-shadow 0.25s;
  z-index: 2;
}
.id-node:hover { border-color: var(--cyan); box-shadow: 0 8px 32px oklch(72% 0.18 200 / 0.25); }
.id-node-icon {
  width: 28px; height: 28px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.id-node-icon svg { width: 15px; height: 15px; stroke: white; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.id-node-meta { display: flex; flex-direction: column; gap: 1px; line-height: 1.2; }
.id-node-name { font-size: 12px; font-weight: 600; color: var(--text); }
.id-node-type { font-size: 9px; color: var(--text-faint); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.04em; }

/* Node positions — 8 nodes in clock layout */
.id-node.n1 { top: 2px; left: 50%; transform: translateX(-50%); }
.id-node.n2 { top: 14%; right: 0; }
.id-node.n3 { top: 50%; right: 0; transform: translateY(-50%); }
.id-node.n4 { bottom: 14%; right: 0; }
.id-node.n5 { bottom: 2px; left: 50%; transform: translateX(-50%); }
.id-node.n6 { bottom: 14%; left: 0; }
.id-node.n7 { top: 50%; left: 0; transform: translateY(-50%); }
.id-node.n8 { top: 14%; left: 0; }

/* Protocol pill labels on connection lines */
.id-protocol {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: oklch(from var(--bg-3) l c h / 0.92);
  border: 1px solid var(--line-2);
  color: var(--cyan);
  letter-spacing: 0.04em;
  z-index: 3;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}
.id-protocol.p-cyan { color: var(--cyan); }
.id-protocol.p-green { color: var(--green); }
.id-protocol.p-violet { color: var(--violet); }
.id-protocol.p-amber { color: var(--amber); }
.id-protocol.p-pink { color: var(--pink); }

/* Bottom metrics strip inside diagram */
.id-metrics {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.id-metric {
  display: flex; flex-direction: column; gap: 1px;
  line-height: 1.1;
}
.id-metric-val {
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 16px;
  color: var(--text);
}
.id-metric-val span {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.id-metric-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.id-protocols-row {
  display: flex; gap: 5px; flex-wrap: wrap;
}
.id-proto-chip {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

.id-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
}
.id-center-core {
  width: 112px; height: 112px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  border-radius: 24px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 0 60px oklch(72% 0.18 200 / 0.55), inset 0 1px 0 oklch(100% 0 0 / 0.3);
  position: relative;
}
.id-center-core-name {
  font-family: var(--font-h);
  font-weight: 800; font-size: 16px;
  color: #001a22;
  letter-spacing: 0.02em;
}
.id-center-core-tag {
  font-family: var(--font-mono);
  font-weight: 600; font-size: 10px;
  color: oklch(20% 0.05 200);
  letter-spacing: 0.1em;
  margin-top: 3px;
}
.id-center-core::after {
  content: '';
  position: absolute; inset: -12px;
  border: 1px solid oklch(72% 0.18 200 / 0.4);
  border-radius: 32px;
  animation: ringPulse 2.5s ease-out infinite;
}
.id-center-core::before {
  content: '';
  position: absolute; inset: -22px;
  border: 1px solid oklch(72% 0.18 200 / 0.2);
  border-radius: 38px;
  animation: ringPulse 2.5s ease-out infinite;
  animation-delay: 1.25s;
}
@keyframes ringPulse {
  0% { transform: scale(0.95); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

.id-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.id-svg path.line { fill: none; stroke: oklch(100% 0 0 / 0.09); stroke-width: 1; stroke-dasharray: 3 4; }
.id-svg path.line.bold { stroke: oklch(72% 0.18 200 / 0.18); stroke-dasharray: none; }
.id-svg circle.packet { filter: drop-shadow(0 0 5px currentColor); }
.id-svg .ring-orbit { fill: none; stroke: oklch(72% 0.18 200 / 0.08); stroke-width: 1; stroke-dasharray: 2 4; }

/* LOGOS STRIP */
.logos { padding: 56px 32px; border-bottom: 1px solid var(--line); }
.logos-inner { max-width: var(--max-w); margin: 0 auto; }
.logos-label {
  text-align: center;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.logo-pill {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 18px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-h);
  font-weight: 700;
  color: var(--text-mute);
  font-size: 14px;
  transition: all 0.2s;
}
.logo-pill:hover { color: var(--text); border-color: var(--line-2); }
.logo-pill .dot { width: 8px; height: 8px; border-radius: 50%; }

/* SECTION SHARED */
section { padding: 110px 32px; position: relative; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding: 5px 12px;
  border: 1px solid oklch(72% 0.18 200 / 0.3);
  background: oklch(72% 0.18 200 / 0.08);
  border-radius: 100px;
}
.section-eyebrow::before {
  content: ''; width: 5px; height: 5px;
  background: var(--cyan); border-radius: 50%;
  box-shadow: 0 0 6px var(--cyan);
}
.section-title {
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 18px;
  text-wrap: balance;
  max-width: 720px;
}
.section-title .gradient {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2) 70%, var(--violet));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-sub {
  font-size: 17px;
  color: var(--text-mute);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 60px;
}

/* SOLUTIONS GRID */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.feature {
  background: var(--bg-1);
  padding: 36px 30px;
  transition: background 0.2s;
}
.feature:hover { background: var(--bg-2); }
.feature-icon-wrap {
  width: 44px; height: 44px;
  background: oklch(72% 0.18 200 / 0.1);
  border: 1px solid oklch(72% 0.18 200 / 0.25);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.feature-icon-wrap svg {
  width: 22px; height: 22px;
  stroke: var(--cyan); fill: none;
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.feature h3 { font-size: 17px; margin-bottom: 10px; }
.feature p { font-size: 14px; color: var(--text-mute); line-height: 1.65; }

/* DASHBOARD SHOWCASE */
#showcase {
  background:
    radial-gradient(ellipse 50% 50% at 50% 0%, oklch(72% 0.18 200 / 0.05), transparent 70%),
    var(--bg-0);
}
.showcase-mockup {
  margin-top: 16px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line-2);
  border-radius: 16px;
  box-shadow:
    0 32px 100px oklch(0% 0 0 / 0.6),
    inset 0 1px 0 oklch(100% 0 0 / 0.05);
  overflow: hidden;
}
.dash-titlebar {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
}
.dash-dot { width: 11px; height: 11px; border-radius: 50%; }
.dash-dot.r { background: #ff5f57; }
.dash-dot.y { background: #febc2e; }
.dash-dot.g { background: #28c840; }
.dash-url {
  flex: 1; margin-left: 12px;
  padding: 5px 14px;
  background: var(--bg-3);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}

.dash-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 520px;
}
.dash-sidebar {
  background: var(--bg-1);
  border-right: 1px solid var(--line);
  padding: 22px 14px;
}
.dash-sidebar-logo {
  display: flex; align-items: center; gap: 8px;
  padding: 0 8px 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}
.dash-sidebar-logo-mark {
  width: 22px; height: 22px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  border-radius: 5px;
}
.dash-sidebar-logo span {
  font-family: var(--font-h); font-weight: 800; font-size: 14px;
}
.dash-nav-section {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 12px 8px;
}
.dash-nav-item {
  padding: 8px 12px;
  font-size: 12.5px; font-weight: 500;
  color: var(--text-faint);
  border-radius: 6px;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 2px;
}
.dash-nav-item.active {
  background: oklch(72% 0.18 200 / 0.12);
  color: var(--cyan);
}
.dash-nav-item .sq { width: 12px; height: 12px; border: 1.5px solid currentColor; border-radius: 3px; }

.dash-main { padding: 22px 26px; }
.dash-title-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.dash-title-row h4 { font-size: 17px; font-weight: 700; }
.dash-time {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-faint);
}
.dash-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.dash-kpi {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 14px 14px;
  border-radius: 9px;
}
.dash-kpi-label {
  font-size: 10px; color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
  margin-bottom: 6px;
}
.dash-kpi-val {
  font-family: var(--font-h); font-weight: 800;
  font-size: 21px; color: var(--text);
  margin-bottom: 3px;
}
.dash-kpi-trend {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--green);
}
.dash-kpi-trend.down { color: var(--pink); }

.dash-chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
}
.dash-chart {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 16px;
}
.dash-chart-title {
  font-size: 12px; font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
  display: flex; align-items: center; justify-content: space-between;
}
.dash-chart-title .tag {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-faint);
}
.dash-chart-svg { width: 100%; }
.dash-chart-svg .grid-line { stroke: oklch(100% 0 0 / 0.05); stroke-width: 1; }
.dash-chart-svg .axis-label { fill: var(--text-faint); font-family: var(--font-mono); font-size: 9px; }
.dash-chart-svg .area-cyan { fill: url(#area-cyan); }
.dash-chart-svg .line-cyan { stroke: var(--cyan); stroke-width: 2; fill: none; filter: drop-shadow(0 0 4px oklch(72% 0.18 200 / 0.5)); }
.dash-chart-svg .line-violet { stroke: var(--violet); stroke-width: 1.5; fill: none; stroke-dasharray: 3 3; }
.dash-chart-svg .bar { fill: var(--cyan); opacity: 0.85; }
.dash-chart-svg .bar.alt { fill: var(--violet); opacity: 0.6; }

.dash-donut { display: flex; align-items: center; gap: 14px; }
.dash-donut svg { flex-shrink: 0; }
.dash-donut-legend { font-size: 11px; color: var(--text-mute); }
.dash-donut-legend div { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.dash-donut-legend .sq { width: 9px; height: 9px; border-radius: 2px; }

/* SYSTEMS GRID */
#systems { background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}
.sys-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.2s;
}
.sys-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.sys-card-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.sys-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-h); font-weight: 800; font-size: 13px;
  color: white;
}
.sys-card-head-text h4 { font-size: 14px; font-weight: 700; }
.sys-card-head-text p {
  font-size: 10px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.sys-card-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 5px;
}
.sys-card-list li {
  font-size: 12.5px;
  color: var(--text-mute);
  display: flex; align-items: center; gap: 8px;
}
.sys-card-list li::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

/* CODE SECTION */
#code {
  background:
    radial-gradient(ellipse 50% 40% at 100% 50%, oklch(70% 0.18 280 / 0.05), transparent 70%),
    var(--bg-0);
}
.code-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.code-list { list-style: none; margin-top: 32px; }
.code-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.code-list li:last-child { border-bottom: 1px solid var(--line); }
.code-list-check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  background: oklch(72% 0.18 200 / 0.15);
  border: 1px solid oklch(72% 0.18 200 / 0.3);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  font-size: 12px; font-weight: 700;
  margin-top: 1px;
}
.code-list strong {
  display: block;
  font-size: 14.5px;
  color: var(--text);
  margin-bottom: 3px;
}
.code-list span {
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.55;
}

.terminal {
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 24px 80px oklch(0% 0 0 / 0.5),
    inset 0 1px 0 oklch(100% 0 0 / 0.05);
}
.term-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.term-tabs { display: flex; gap: 4px; }
.term-tab {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  border-radius: 5px;
}
.term-tab.active { background: var(--bg-1); color: var(--cyan); }
.term-dots { display: flex; gap: 6px; }
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-dot.r { background: #ff5f57; }
.term-dot.y { background: #febc2e; }
.term-dot.g { background: #28c840; }

.term-body {
  padding: 22px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text);
  min-height: 360px;
}
.term-body .ln { color: var(--text-faint); display: inline-block; width: 24px; user-select: none; }
.term-body .com { color: oklch(55% 0.018 245); }
.term-body .kw { color: var(--violet); }
.term-body .str { color: var(--cyan-2); }
.term-body .key { color: var(--pink); }
.term-body .num { color: var(--amber); }
.term-body .fn { color: var(--cyan); }
.term-body .out { color: var(--green); }
.cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--cyan);
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* DATA FLOW */
#flow { background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.flow-stage {
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 40px 28px;
  position: relative;
  overflow: hidden;
}
.flow-stage::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(oklch(100% 0 0 / 0.02) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
}
.flow-row {
  display: grid;
  grid-template-columns: 1fr 50px 1fr 50px 1fr;
  gap: 12px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.flow-col-header {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 12px;
}
.flow-col-header.center { color: var(--cyan); }
.flow-stack { display: flex; flex-direction: column; gap: 9px; }
.flow-block {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px;
  color: var(--text);
  font-weight: 500;
}
.flow-block-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.flow-arrow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  position: relative;
}
.flow-arrow::before, .flow-arrow::after {
  content: '';
  position: absolute;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  top: 50%; transform: translateY(-50%);
  animation: flowDot 3s linear infinite;
}
.flow-arrow::after { animation-delay: 1.5s; }
@keyframes flowDot {
  0% { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.flow-core {
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--cyan);
  border-radius: 14px;
  padding: 22px 18px;
  text-align: center;
  box-shadow:
    0 0 40px oklch(72% 0.18 200 / 0.2),
    inset 0 1px 0 oklch(100% 0 0 / 0.05);
}
.flow-core-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  border-radius: 9px;
  margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-h); font-weight: 800; font-size: 11px;
  color: #001a22;
  letter-spacing: 0.04em;
}
.flow-core h4 {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
}
.flow-core p {
  font-size: 11px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  line-height: 1.55;
}
.flow-tags {
  display: flex; gap: 5px; justify-content: center; flex-wrap: wrap;
  margin-top: 12px;
}
.flow-tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 2px 7px;
  border-radius: 4px;
  background: oklch(72% 0.18 200 / 0.12);
  color: var(--cyan);
  letter-spacing: 0.04em;
}

/* PROCESS */
#process { background: var(--bg-0); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.process-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 26px;
}
.process-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.process-card h3 { font-size: 17px; margin-bottom: 10px; }
.process-card p { font-size: 13.5px; color: var(--text-mute); line-height: 1.65; }

/* CTA */
#cta {
  background:
    radial-gradient(ellipse 60% 70% at 50% 50%, oklch(72% 0.18 200 / 0.08), transparent 70%),
    var(--bg-0);
  text-align: center;
  padding: 130px 32px;
}
.cta-card {
  max-width: 760px;
  margin: 0 auto;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 32px 100px oklch(0% 0 0 / 0.5);
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 200px;
  background: radial-gradient(ellipse, oklch(72% 0.18 200 / 0.3), transparent 70%);
  pointer-events: none;
}
.cta-card h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  margin-bottom: 16px;
  position: relative;
  text-wrap: balance;
}
.cta-card p {
  font-size: 17px;
  color: var(--text-mute);
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto; margin-right: auto;
  position: relative;
}
.cta-card .hero-btns { justify-content: center; }

/* CONTACT */
#contato { background: var(--bg-1); border-top: 1px solid var(--line); }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info h2 { font-size: 32px; margin-bottom: 14px; text-wrap: balance; }
.contact-info > p {
  font-size: 15px;
  color: var(--text-mute);
  line-height: 1.7;
  margin-bottom: 28px;
}
.contact-perks { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.contact-perks li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  color: var(--text-mute);
}
.contact-perks li svg {
  width: 18px; height: 18px;
  stroke: var(--cyan); fill: none; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}
.contact-form {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label {
  font-size: 11px; font-weight: 600;
  color: var(--text-mute);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 11px 14px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px oklch(72% 0.18 200 / 0.1);
}
.form-group textarea { resize: vertical; min-height: 92px; }
.form-group select { appearance: none; cursor: pointer; }
.form-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  color: #001a22;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 14.5px;
  padding: 14px;
  border-radius: 9px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  margin-top: 6px;
  box-shadow: 0 4px 20px oklch(72% 0.18 200 / 0.25);
}
.form-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 28px oklch(72% 0.18 200 / 0.4); }
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: var(--cyan);
  font-size: 15px;
  font-weight: 600;
}

/* FOOTER */
footer {
  background: var(--bg-0);
  padding: 36px 32px;
  border-top: 1px solid var(--line);
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo { display: flex; align-items: center; gap: 9px; }
.footer-logo span { font-family: var(--font-h); font-weight: 800; font-size: 16px; }
.footer-logo .nav-logo-mark { width: 24px; height: 24px; }
.footer-inner p {
  font-size: 12.5px;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

/* ANIMATIONS */
.fade-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 580px; margin: 0 auto; width: 100%; }
  .id-canvas { height: 560px; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .dash-body { grid-template-columns: 1fr; }
  .dash-sidebar { display: none; }
  .dash-chart-grid { grid-template-columns: 1fr; }
  .dash-kpis { grid-template-columns: repeat(2, 1fr); }
  .code-layout { grid-template-columns: 1fr; }
  .flow-row { grid-template-columns: 1fr; gap: 24px; }
  .flow-arrow { display: none; }
  .process-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 36px; }
  .systems-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  section { padding: 80px 20px; }
  .hero { padding: 120px 20px 60px; }
  .logos-grid { grid-template-columns: repeat(2, 1fr); }
  .systems-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 22px; }
  .cta-card { padding: 48px 28px; }
  .id-node { min-width: 116px; padding: 7px 9px; }
  .id-node-name { font-size: 11px; }
  .id-node-type { font-size: 8px; }
  .id-node-icon { width: 24px; height: 24px; }
  .id-canvas { height: 480px; }
  .id-center-core { width: 90px; height: 90px; }
  .id-center-core-name { font-size: 14px; }
  .integration-diagram { padding: 18px; }
  .flow-stage { padding: 28px 18px; }
  .hero-meta { gap: 24px; }
  .hero-meta-val { font-size: 22px; }
  .cta-card h2 { font-size: 28px; }
  .id-protocol { font-size: 8.5px; padding: 1px 5px; }
  .id-metric-val { font-size: 14px; }
}