*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #07090d;
  --bg-grid: rgba(88, 166, 255, .065);
  --surface: #0d1117;
  --surface2: #121821;
  --surface3: #171e28;
  --border: #26313d;
  --border-strong: #344454;
  --text: #f4f7fb;
  --text-sub: #a7b2c0;
  --text-ui: #c7d0dc;
  --cyan: #48d5ff;
  --green: #66e88f;
  --warm: #b79b38;
  --sage: #7c916f;
  --danger: #ff6b6b;
  --shadow: rgba(0, 0, 0, .38);
  --radius: 8px;
  --radius-sm: 6px;
  --footer-h: 58px;
}

[data-theme="light"] {
  --bg: #f7f9fc;
  --bg-grid: rgba(25, 91, 130, .085);
  --surface: #ffffff;
  --surface2: #eef3f8;
  --surface3: #e7edf4;
  --border: #d6e0ea;
  --border-strong: #b8c7d6;
  --text: #101722;
  --text-sub: #526170;
  --text-ui: #263545;
  --cyan: #087ea4;
  --green: #128a43;
  --warm: #8d7424;
  --sage: #617655;
  --danger: #b4232f;
  --shadow: rgba(25, 42, 58, .12);
}

html { scroll-behavior: smooth; overflow-x: clip; }
[id] { scroll-margin-top: 72px; }
::selection { background: rgba(72, 213, 255, .2); color: var(--text); }

body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(72, 213, 255, .032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 213, 255, .032) 1px, transparent 1px),
    radial-gradient(circle at 20% 0%, rgba(124, 145, 111, .1), transparent 26rem),
    var(--bg);
  background-size: 44px 44px, 44px 44px, auto, auto;
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  overflow-x: clip;
  padding-bottom: var(--footer-h);
  transition: background .25s, color .25s;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .36;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 3px);
  mix-blend-mode: screen;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

a { color: var(--cyan); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.navbar {
  background: color-mix(in srgb, var(--bg) 86%, transparent) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  z-index: 200;
}

.navbar-brand {
  color: var(--text) !important;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
}

.brand-mark {
  height: 28px;
  width: 28px;
  display: block;
}

.nav-link {
  color: var(--text-ui) !important;
  font-size: .84rem;
  font-weight: 600;
}

.nav-link:hover { color: var(--cyan) !important; }
.navbar-toggler { border-color: var(--border) !important; }
.navbar-toggler-icon { filter: var(--toggler-filter, invert(1)); }
[data-theme="light"] { --toggler-filter: none; }

.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-ui);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color .18s, color .18s, background .18s;
}

.theme-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn {
  border-radius: var(--radius-sm);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 700;
  transition: transform .18s, border-color .18s, background .18s, color .18s, box-shadow .18s;
}

.btn:active { transform: scale(.98); }
.btn-lg { padding: .72rem 1.28rem; font-size: .9rem; }

.btn-primary {
  background: var(--cyan) !important;
  border-color: var(--cyan) !important;
  color: #061018 !important;
  box-shadow: 0 12px 28px rgba(72, 213, 255, .18);
}

.btn-primary:hover {
  filter: brightness(1.04);
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(72, 213, 255, .24);
}

.btn-outline-primary {
  color: var(--text) !important;
  border-color: var(--border-strong) !important;
  background: var(--surface) !important;
}

.btn-outline-primary:hover {
  border-color: var(--cyan) !important;
  color: var(--cyan) !important;
  background: var(--surface2) !important;
}

.btn-outline-wa {
  color: var(--green) !important;
  border-color: color-mix(in srgb, var(--green) 60%, var(--border)) !important;
  background: transparent !important;
}

.btn-outline-wa:hover { background: rgba(102, 232, 143, .1) !important; }

.btn-outline-li {
  color: #62a8ff !important;
  border-color: color-mix(in srgb, #62a8ff 58%, var(--border)) !important;
  background: transparent !important;
}

.btn-outline-li:hover { background: rgba(98, 168, 255, .1) !important; }

.page-section {
  padding: 5.25rem 0;
  position: relative;
  z-index: 1;
}

.page-section.alt {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 84%, transparent), color-mix(in srgb, var(--surface2) 70%, transparent));
  border-block: 1px solid color-mix(in srgb, var(--border) 64%, transparent);
}

.tag-label {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--green);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: .85rem;
}

.tag-label::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--green);
  box-shadow: 0 0 18px rgba(102, 232, 143, .42);
}

.sec-title,
.hero-title {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -.03em;
}

.sec-title {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  line-height: 1.08;
}

.sec-bar {
  width: 54px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--green), var(--warm));
  margin: .9rem 0 1.35rem;
}

.sec-bar.center { margin: .9rem auto 1.35rem; }

.sec-sub {
  color: var(--text-sub);
  font-size: .96rem;
  line-height: 1.72;
  max-width: 650px;
}

.hero {
  min-height: calc(100vh - 57px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0 45%, rgba(72, 213, 255, .055) 45% 45.2%, transparent 45.2% 100%),
    radial-gradient(circle at 75% 28%, rgba(72, 213, 255, .08), transparent 21rem);
  pointer-events: none;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .38rem .65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  color: var(--text-ui);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .74rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero-kicker .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(102, 232, 143, .62);
}

.hero-title {
  font-size: clamp(2.55rem, 5.6vw, 5rem);
  line-height: 1.02;
  margin-bottom: 1.35rem;
}

.hero-title .accent {
  color: var(--cyan);
}

.hero-sub {
  color: var(--text-sub);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.72;
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: .6rem 1.15rem;
  margin-top: 2rem;
}

.trust-chip {
  color: var(--text-ui);
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .74rem;
  white-space: nowrap;
}

.trust-chip i { color: var(--green); }

.terminal-panel {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), transparent),
    var(--surface);
  box-shadow: 0 24px 60px var(--shadow);
  overflow: hidden;
}

.terminal-head {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem .9rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}

.terminal-dots {
  display: flex;
  gap: .38rem;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.terminal-dots span:nth-child(1) { background: var(--danger); }
.terminal-dots span:nth-child(2) { background: var(--warm); }
.terminal-dots span:nth-child(3) { background: var(--green); }

.terminal-title {
  color: var(--text-sub);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .72rem;
  font-weight: 700;
}

.terminal-body {
  padding: .95rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .74rem;
}

.terminal-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .55rem;
  align-items: start;
  padding: .72rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.terminal-line:last-child { border-bottom: 0; }
.prompt { color: var(--green); font-weight: 700; }
.command { color: var(--text-ui); overflow-wrap: anywhere; }
.flag { color: var(--cyan); }
.ok {
  color: var(--green);
  font-size: .64rem;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  background: var(--surface2);
}

.metric {
  padding: .9rem;
  border-right: 1px solid var(--border);
}

.metric:last-child { border-right: 0; }

.metric strong {
  display: block;
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.25rem;
  line-height: 1;
}

.metric span {
  color: var(--text-sub);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .66rem;
}

.module-card {
  height: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 1.15rem;
  transition: transform .18s, border-color .18s, background .18s, box-shadow .18s;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.module-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--cyan) 45%, var(--border));
  background: var(--surface2);
  box-shadow: 0 16px 36px var(--shadow);
}

.module-code {
  color: var(--green);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .7rem;
  font-weight: 700;
  margin-bottom: .9rem;
}

.module-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  background: var(--surface3);
  margin-bottom: .9rem;
}

.module-card h4 {
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.module-card p {
  color: var(--text-sub);
  font-size: .86rem;
  line-height: 1.62;
  margin: 0;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .85rem;
}

.signal-card {
  min-height: 120px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem;
}

.signal-card .signal {
  color: var(--cyan);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .72rem;
  font-weight: 700;
  margin-bottom: .55rem;
}

.signal-card strong {
  display: block;
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.55rem;
  line-height: 1;
  margin-bottom: .35rem;
}

.signal-card span {
  color: var(--text-sub);
  font-size: .78rem;
}

.contact-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.25rem;
}

.architecture-section {
  position: relative;
  overflow: hidden;
  padding: 3.4rem 0;
}

.architecture-section::before {
  content: '';
  position: absolute;
  inset: 12% 0 auto;
  height: 58%;
  background:
    radial-gradient(circle at 50% 50%, rgba(72, 213, 255, .055), transparent 30rem);
  pointer-events: none;
}

.architecture-shell {
  position: relative;
  max-width: 940px;
  margin: 0 auto;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 88%, transparent), color-mix(in srgb, var(--surface2) 84%, transparent)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 28px);
  padding: .75rem;
  box-shadow: 0 12px 32px color-mix(in srgb, var(--shadow) 55%, transparent);
  opacity: .82;
  transform: rotate(-.35deg);
  will-change: transform, opacity;
}

.architecture-shell::after {
  content: none;
}

.architecture-svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 360px;
  opacity: .9;
  filter: none;
}

[data-theme="light"] .architecture-section::before {
  background: radial-gradient(circle at 50% 50%, rgba(8, 126, 164, .035), transparent 30rem);
}

[data-theme="light"] .architecture-shell {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--surface2) 90%, transparent)),
    repeating-linear-gradient(90deg, rgba(8,126,164,.025) 0, rgba(8,126,164,.025) 1px, transparent 1px, transparent 28px);
  box-shadow: none;
  opacity: .92;
}

[data-theme="light"] .architecture-svg {
  opacity: .96;
}

.architecture-section [data-arch-depth] {
  will-change: transform;
  transform-box: fill-box;
  transform-origin: center;
}

.arch-label {
  fill: var(--text);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  font-weight: 700;
}

.arch-sub {
  fill: var(--text-sub);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
}

.arch-node {
  fill: color-mix(in srgb, var(--surface2) 68%, transparent);
  stroke: var(--border-strong);
  stroke-width: 1.1;
}

.arch-cluster {
  fill: color-mix(in srgb, var(--surface) 34%, transparent);
  stroke: color-mix(in srgb, var(--cyan) 34%, var(--border));
  stroke-width: 1;
  stroke-dasharray: 7 7 2 7;
}

.arch-link {
  fill: none;
  stroke: color-mix(in srgb, var(--cyan) 58%, var(--border));
  stroke-width: 1.15;
  stroke-linecap: round;
  stroke-dasharray: 4 8 1 7;
}

.arch-link.green {
  stroke: color-mix(in srgb, var(--green) 58%, var(--border));
}

.arch-accent-cyan { fill: var(--cyan); }
.arch-accent-green { fill: var(--green); }
.arch-accent-warm { fill: var(--warm); }
.arch-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.arch-icon-fill {
  fill: currentColor;
  stroke: none;
}

.arch-domain {
  fill: color-mix(in srgb, var(--surface) 24%, transparent);
  stroke: color-mix(in srgb, var(--text-sub) 34%, transparent);
  stroke-width: 1.4;
  stroke-dasharray: 4 7;
}

.arch-note {
  fill: var(--text-sub);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
}

.arch-badge {
  fill: color-mix(in srgb, var(--warm) 76%, white);
  stroke: var(--bg);
  stroke-width: 2;
}

.arch-badge-text {
  fill: #081018;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 15px;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: central;
}

.arch-fill-cyan { fill: color-mix(in srgb, var(--cyan) 24%, var(--surface2)); }
.arch-fill-green { fill: color-mix(in srgb, var(--green) 24%, var(--surface2)); }
.arch-fill-warm { fill: color-mix(in srgb, var(--warm) 34%, var(--surface2)); }

footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: var(--footer-h);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-contact,
.footer-social {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
}

.footer-contact-item,
.footer-center {
  color: var(--text-sub);
  font-size: .76rem;
}

.footer-contact-item a {
  color: var(--text-ui);
  text-decoration: none;
  font-weight: 600;
}

.footer-contact-item a:hover { color: var(--cyan); }

.soc-ico {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-ui);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.soc-ico:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

#backTop {
  position: fixed;
  bottom: calc(var(--footer-h) + 14px);
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-ui);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 250;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, color .18s, border-color .18s;
}

#backTop.visible { opacity: 1; pointer-events: auto; }
#backTop:hover { color: var(--cyan); border-color: var(--cyan); }

[data-aos] {
  transition: transform .55s cubic-bezier(.22,1,.36,1), opacity .55s cubic-bezier(.22,1,.36,1) !important;
}

[data-aos="fade-up"] { transform: translateY(28px) !important; opacity: 0; }
[data-aos="fade-up"].aos-animate { transform: none !important; opacity: 1; }
[data-aos="fade-right"] { transform: translateX(-28px) !important; opacity: 0; }
[data-aos="fade-right"].aos-animate { transform: none !important; opacity: 1; }
[data-aos="fade-left"] { transform: translateX(28px) !important; opacity: 0; }
[data-aos="fade-left"].aos-animate { transform: none !important; opacity: 1; }

@media (max-width: 991px) {
  .hero {
    min-height: auto;
    padding: 4rem 0 3.5rem;
  }

  .terminal-panel { margin-top: 2.25rem; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  body { font-size: 14px; }
  .page-section { padding: 4rem 0; }
  .hero-title { font-size: 2.5rem; }
  .hero-trust { grid-template-columns: 1fr; }
  .terminal-body { font-size: .72rem; padding: .85rem; }
  .terminal-line {
    grid-template-columns: auto 1fr;
  }
  .terminal-line .ok {
    grid-column: 2;
  }
  .metrics-strip,
  .signal-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }
  .architecture-shell { padding: .5rem; transform: none; opacity: .78; }
  .architecture-svg { min-height: 320px; }
  .metric { border-right: 0; border-bottom: 1px solid var(--border); }
  .metric:last-child { border-bottom: 0; }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-contact,
  .footer-social {
    justify-content: center;
  }
  :root { --footer-h: 122px; }
}