:root {
  color-scheme: dark;
  --bg: #050b18;
  --bg-deep: #030814;
  --surface: #0b1424;
  --card: #101827;
  --line: rgba(132, 161, 202, 0.17);
  --line-strong: rgba(112, 160, 224, 0.29);
  --primary: #1677ff;
  --primary-dark: #075bd6;
  --accent: #00c6ff;
  --success: #3dd9a3;
  --text: #f4f8ff;
  --muted: #a8b4c8;
  --dim: #7586a1;
  --font: IRANSansX, IRANSans, Vazirmatn, Tahoma, Arial, sans-serif;
  --font-latin: Inter, "SF Pro Display", "Segoe UI", Arial, sans-serif;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
::selection { color: #fff; background: rgba(22, 119, 255, 0.7); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
svg { display: block; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { position: relative; padding-block: 124px; }

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  right: 16px;
  transform: translateY(-150%);
  padding: 9px 14px;
  border-radius: 8px;
  background: #fff;
  color: #071124;
  text-decoration: none;
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  border-bottom: 1px solid transparent;
  background: rgba(5, 11, 24, 0.64);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}
.site-header.scrolled {
  border-color: var(--line);
  background: rgba(5, 11, 24, 0.9);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
.nav-shell { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; direction: ltr; color: var(--text); text-decoration: none; flex: 0 0 auto; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0, 198, 255, 0.34);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(22, 119, 255, 0.22), rgba(0, 198, 255, 0.05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.brand-mark svg { width: 30px; height: 30px; stroke: #75ddff; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.brand-copy { display: flex; flex-direction: column; gap: 1px; align-items: flex-start; line-height: 1.25; }
.brand-copy strong { font: 700 16px/1.3 var(--font-latin); letter-spacing: 0.1px; }
.brand-copy small { font: 500 12px/1.4 var(--font-latin); color: var(--dim); letter-spacing: .75px; text-transform: uppercase; }

.desktop-nav { display: flex; align-items: center; gap: 29px; margin-inline-start: auto; }
.desktop-nav a, .footer-links a {
  position: relative;
  color: #c2cee0;
  text-decoration: none;
  font-size: 14px;
  transition: color 180ms ease;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  inset: auto 50% -9px;
  height: 1px;
  width: 0;
  background: var(--accent);
  transition: width 180ms ease, inset 180ms ease;
}
.desktop-nav a:hover, .desktop-nav a.active, .footer-links a:hover { color: #fff; }
.desktop-nav a:hover::after, .desktop-nav a.active::after { inset-inline: 0; width: 100%; }

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding-inline: 20px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}
.button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform 180ms ease; }
.button-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); box-shadow: 0 12px 28px rgba(22, 119, 255, 0.24); }
.button-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(22, 119, 255, 0.34); }
.button-primary:hover svg { transform: translateX(-2px); }
.button-large { min-height: 54px; padding-inline: 25px; font-size: 15px; border-radius: 13px; }
.button-ghost { color: #dbe7f7; border-color: var(--line-strong); background: rgba(14, 25, 43, 0.52); }
.button-ghost:hover { transform: translateY(-2px); border-color: rgba(0, 198, 255, 0.45); background: rgba(14, 31, 54, 0.78); }
.button-ghost:hover svg { transform: translateY(2px); }
.button-light { color: #0757bb; background: #fff; box-shadow: 0 14px 32px rgba(1,46,111,.18); }
.button-light:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(1,46,111,.28); }
.button-light:hover svg { transform: translateX(-2px); }
.header-cta { min-height: 44px; padding-inline: 17px; }

.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 11px; background: rgba(16, 24, 39, 0.66); padding: 11px; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 1.5px; margin: 4px auto; background: #eaf2ff; transition: transform 180ms ease, opacity 180ms ease; }
.menu-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.mobile-menu { display: none; }

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 136px 0 104px;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 78%, #06101f 100%);
}
.hero-grid, .cta-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(rgba(87, 125, 179, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(87, 125, 179, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 72%, transparent);
}
.hero-glow { position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero-glow-one { width: 720px; height: 720px; left: -300px; top: 4%; background: radial-gradient(circle, rgba(22, 119, 255, 0.15), transparent 67%); }
.hero-glow-two { width: 560px; height: 560px; right: 2%; bottom: -310px; background: radial-gradient(circle, rgba(0, 198, 255, 0.08), transparent 68%); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(540px, 1.1fr); gap: 60px; align-items: center; }
.hero-copy { position: relative; z-index: 2; animation: hero-in 700ms cubic-bezier(.2,.7,.2,1) both; }
.eyebrow {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  direction: ltr;
  padding: 7px 12px;
  border: 1px solid rgba(0, 198, 255, 0.22);
  border-radius: 999px;
  color: #8de6ff;
  background: rgba(0, 198, 255, 0.055);
  font: 600 12px/1.4 var(--font-latin);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.eyebrow-pulse { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px rgba(0, 198, 255, 0.85); }
.eyebrow-pulse::after { content: ""; position: absolute; inset: -4px; border: 1px solid rgba(0, 198, 255, 0.35); border-radius: 50%; animation: status-pulse 2.2s ease-out infinite; }
.hero h1 { max-width: 660px; margin: 23px 0 21px; font-size: clamp(43px, 5vw, 70px); line-height: 1.25; letter-spacing: -2.4px; font-weight: 850; }
.hero h1 span { color: transparent; background: linear-gradient(100deg, #f8fbff 10%, #8edfff 92%); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 650px; margin: 0; color: var(--muted); font-size: 18px; line-height: 2; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-signals { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 27px; color: #8f9db3; font-size: 13px; }
.hero-signals span { display: inline-flex; align-items: center; gap: 6px; }
.hero-signals svg { width: 16px; height: 16px; fill: none; stroke: #42d7aa; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.gateway-console {
  position: relative;
  overflow: hidden;
  direction: ltr;
  border: 1px solid rgba(111, 153, 212, 0.24);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(15, 26, 44, 0.98), rgba(6, 15, 29, 0.98));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.045), 0 0 0 1px rgba(0,198,255,.015);
  animation: console-in 850ms 100ms cubic-bezier(.2,.7,.2,1) both;
}
.gateway-console::before { content: ""; position: absolute; inset: -1px auto auto 18%; width: 44%; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: .72; }
.console-topbar { min-height: 69px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 18px; border-bottom: 1px solid var(--line); background: rgba(7, 16, 31, 0.55); }
.console-identity { display: flex; align-items: center; gap: 10px; min-width: 0; }
.console-symbol { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(0, 198, 255, .28); border-radius: 9px; color: #8be7ff; background: rgba(0, 198, 255, .06); font: 700 15px var(--font-latin); }
.console-identity div { min-width: 0; }
.console-identity strong, .console-identity small { display: block; font-family: var(--font-latin); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.console-identity strong { color: #e8f2ff; font-size: 13px; letter-spacing: .1px; }
.console-identity small { color: #647895; font-size: 12px; margin-top: 2px; }
.live-state { display: inline-flex; align-items: center; gap: 7px; color: #69dcb5; font: 600 12px var(--font-latin); text-transform: uppercase; letter-spacing: .5px; }
.live-state > span { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 12px rgba(61, 217, 163, .72); }
.flow-board { display: grid; grid-template-columns: minmax(118px, 1fr) 28px minmax(190px, 1.48fr) 28px minmax(118px, 1fr); align-items: center; gap: 8px; padding: 26px 17px 22px; }
.endpoint-column { display: grid; gap: 8px; min-width: 0; }
.column-label { margin: 0 3px 2px; color: #7186a3; font: 700 12px/1.3 var(--font-latin); letter-spacing: .8px; }
.endpoint { min-width: 0; display: flex; align-items: center; gap: 8px; padding: 8px; border: 1px solid rgba(114, 148, 195, .14); border-radius: 9px; background: rgba(15, 27, 46, .74); transition: border-color 240ms ease, background 240ms ease; }
.endpoint.active-endpoint { border-color: rgba(0, 198, 255, .28); background: rgba(12, 38, 61, .78); }
.endpoint-icon { width: 25px; height: 25px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(103, 153, 220, .2); border-radius: 7px; color: #7caade; background: rgba(13, 27, 48, .9); }
.endpoint-icon svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; }
.endpoint > span:last-child { min-width: 0; }
.endpoint strong, .endpoint small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-latin); }
.endpoint strong { color: #bdcbe0; font-size: 12px; font-weight: 600; }
.endpoint small { color: #667b98; font-size: 12px; margin-top: 2px; }
.service-dot { width: 7px; height: 7px; flex: 0 0 auto; border: 1px solid #3dd9a3; border-radius: 50%; box-shadow: 0 0 8px rgba(61, 217, 163, .3); }
.service-column .endpoint { padding-block: 7px; }
.flow-connector { position: relative; height: 1px; background: linear-gradient(90deg, rgba(59, 110, 180, .15), rgba(0, 198, 255, .56), rgba(59, 110, 180, .15)); }
.flow-connector::after { content: ""; position: absolute; top: -3px; right: -1px; width: 6px; height: 6px; border-top: 1px solid rgba(0, 198, 255, .7); border-right: 1px solid rgba(0, 198, 255, .7); transform: rotate(45deg); }
.flow-connector i { position: absolute; top: -2px; left: 0; width: 5px; height: 5px; border-radius: 50%; background: #9aebff; box-shadow: 0 0 10px var(--accent); animation: packet-flow 2.6s linear infinite; }
.connector-out i { animation-delay: 1.3s; }
.gateway-core { position: relative; padding: 13px; border: 1px solid rgba(0, 198, 255, .42); border-radius: 15px; background: linear-gradient(145deg, rgba(22, 119, 255, .16), rgba(0, 198, 255, .045)); box-shadow: 0 0 42px rgba(0, 144, 255, .075), inset 0 1px 0 rgba(255,255,255,.045); }
.gateway-core::before, .gateway-core::after { content: ""; position: absolute; width: 8px; height: 8px; }
.gateway-core::before { top: -1px; left: -1px; border-top: 1px solid var(--accent); border-left: 1px solid var(--accent); border-radius: 15px 0 0; }
.gateway-core::after { right: -1px; bottom: -1px; border-right: 1px solid var(--accent); border-bottom: 1px solid var(--accent); border-radius: 0 0 15px; }
.core-header { display: flex; align-items: center; gap: 9px; padding-bottom: 11px; border-bottom: 1px solid rgba(0, 198, 255, .13); }
.core-icon { width: 31px; height: 31px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 8px; color: #8ce7ff; background: rgba(0, 198, 255, .085); }
.core-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.core-header strong, .core-header small { display: block; font-family: var(--font-latin); }
.core-header strong { font-size: 13px; color: #f3f8ff; }
.core-header small { font-size: 12px; color: #6e86a5; margin-top: 1px; }
.policy-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; margin-top: 10px; }
.policy-grid span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 6px 4px; border: 1px solid rgba(83, 142, 219, .16); border-radius: 6px; color: #8fb6e8; background: rgba(3, 13, 28, .38); font: 500 12px/1.4 var(--font-latin); text-align: center; }
.policy-grid .policy-wide { grid-column: 1 / -1; color: #77dcf7; border-color: rgba(0, 198, 255, .16); }
.request-line { display: flex; justify-content: space-between; gap: 8px; align-items: center; margin-top: 10px; color: #7289a6; font: 500 12px var(--font-latin); }
.request-line span { display: inline-flex; align-items: center; gap: 5px; }
.request-line i { width: 5px; height: 5px; border-radius: 50%; background: var(--success); box-shadow: 0 0 7px rgba(61,217,163,.6); }
.request-line code { color: #59dcae; font: 600 12px var(--font-latin); }
.console-footer { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); background: rgba(3, 10, 22, .42); }
.console-footer > div { padding: 12px 15px; border-right: 1px solid var(--line); }
.console-footer > div:last-child { border-right: 0; }
.console-footer span, .console-footer strong { display: block; font-family: var(--font-latin); }
.console-footer span { color: #667b98; font-size: 12px; letter-spacing: .6px; }
.console-footer strong { color: #b8c8dd; font-size: 12px; margin-top: 2px; }
.scroll-cue { position: absolute; bottom: 25px; left: 50%; display: flex; flex-direction: column; align-items: center; gap: 4px; transform: translateX(-50%); color: #6d7f99; text-decoration: none; font: 600 12px var(--font-latin); letter-spacing: .8px; text-transform: uppercase; }
.scroll-cue i { position: relative; width: 1px; height: 26px; overflow: hidden; background: rgba(126, 159, 203, .18); }
.scroll-cue i::after { content: ""; position: absolute; inset: -50% 0 auto; height: 50%; background: var(--accent); animation: scroll-drop 2s ease-in-out infinite; }

.section-index { display: block; margin-bottom: 15px; color: #4abfe6; font: 700 12px/1.5 var(--font-latin); letter-spacing: 1.2px; text-transform: uppercase; }
.section-heading h2, .architecture-copy h2, .cta-content h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.42; letter-spacing: -1.3px; }
.section-heading > p { max-width: 660px; margin: 17px auto 0; color: var(--muted); font-size: 17px; line-height: 1.95; }
.section-heading.centered { text-align: center; margin-bottom: 52px; }

.product-intro { background: #06101f; border-block: 1px solid rgba(129, 158, 198, .1); }
.intro-layout { display: grid; grid-template-columns: .84fr 1.16fr; gap: 90px; align-items: start; }
.intro-heading { position: sticky; top: 112px; }
.intro-content > p { margin: 0 0 15px; color: #b8c5d8; font-size: 18px; line-height: 2; }
.control-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 31px; }
.control-strip > div { min-width: 0; padding: 17px 15px; border: 1px solid var(--line); border-radius: 13px; background: rgba(16, 24, 39, .58); }
.control-strip span { display: block; color: #4abfe6; font: 700 12px/1 var(--font-latin); letter-spacing: .8px; }
.control-strip strong, .control-strip small { display: block; }
.control-strip strong { margin-top: 11px; color: #e8f0fb; font-size: 14px; }
.control-strip small { margin-top: 4px; color: #71839e; font-size: 12px; line-height: 1.7; }

.features-section { background: linear-gradient(180deg, var(--bg) 0%, #07101e 100%); }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.feature-card { position: relative; min-height: 245px; overflow: hidden; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(16, 24, 39, .93), rgba(9, 19, 34, .86)); transition: transform 220ms ease, border-color 220ms ease, background 220ms ease; }
.feature-card::after { content: ""; position: absolute; inset: auto 23px 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity 220ms ease; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(0, 198, 255, .32); background: linear-gradient(145deg, rgba(18, 30, 50, .98), rgba(9, 23, 41, .94)); }
.feature-card:hover::after { opacity: .7; }
.feature-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 29px; direction: ltr; }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(0, 198, 255, .19); border-radius: 12px; color: #69dafa; background: rgba(0, 198, 255, .055); }
.feature-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.feature-no { color: #60738d; font: 600 12px var(--font-latin); letter-spacing: .8px; }
.feature-card h3 { min-height: 49px; margin: 0; color: #edf4ff; font: 650 17px/1.45 var(--font-latin); text-align: left; }
.feature-card p { margin: 14px 0 0; color: #8999b0; font-size: 14px; line-height: 1.9; }

.architecture-section { overflow: hidden; background: #06101f; border-block: 1px solid rgba(129, 158, 198, .1); }
.architecture-glow { position: absolute; width: 650px; height: 650px; left: -300px; top: 10%; border-radius: 50%; background: radial-gradient(circle, rgba(22,119,255,.12), transparent 68%); pointer-events: none; }
.architecture-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 62px; align-items: center; }
.architecture-copy p { margin: 20px 0 0; color: var(--muted); font-size: 17px; line-height: 2; }
.architecture-notes { display: grid; gap: 12px; margin: 30px 0 0; padding: 0; list-style: none; }
.architecture-notes li { display: flex; align-items: center; gap: 12px; color: #aebbd0; font-size: 14px; }
.architecture-notes li span { width: 30px; color: #4cbfe4; font: 700 12px var(--font-latin); }
.architecture-map { position: relative; overflow: hidden; padding-bottom: 21px; border: 1px solid rgba(112, 156, 216, .23); border-radius: 22px; background: linear-gradient(155deg, rgba(14, 25, 43, .96), rgba(5, 14, 28, .97)); box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.04); }
.architecture-map::before { content: ""; position: absolute; inset: 50px 0 0; background-image: linear-gradient(rgba(87, 125, 179, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(87, 125, 179, .035) 1px, transparent 1px); background-size: 34px 34px; pointer-events: none; }
.map-toolbar { position: relative; display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); color: #7086a2; font: 650 12px var(--font-latin); letter-spacing: .8px; }
.map-status { display: inline-flex; align-items: center; gap: 6px; color: #5ccfac; letter-spacing: .5px; }
.map-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px rgba(61,217,163,.6); }
.map-stage, .gateway-layer, .vertical-link { position: relative; z-index: 1; }
.map-stage { padding: 17px 20px 0; }
.layer-caption { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; color: #768aa5; font: 650 12px var(--font-latin); letter-spacing: .5px; text-transform: uppercase; }
.layer-caption > span { color: #3fbfe9; }
.architecture-nodes { display: grid; gap: 8px; }
.four-nodes { grid-template-columns: repeat(4, 1fr); }
.three-nodes { grid-template-columns: repeat(3, 1fr); }
.architecture-node { min-width: 0; min-height: 58px; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 9px; border: 1px solid rgba(111, 149, 199, .16); border-radius: 9px; color: #aebed3; background: rgba(15, 27, 46, .72); font: 550 12px/1.35 var(--font-latin); text-align: center; }
.architecture-node svg { width: 15px; height: 15px; flex: 0 0 auto; fill: none; stroke: #6595cc; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.vertical-link { width: 1px; height: 24px; margin: 5px auto; background: linear-gradient(to bottom, rgba(0,198,255,.15), rgba(0,198,255,.62)); }
.vertical-link::after { content: ""; position: absolute; bottom: -1px; left: -3px; width: 6px; height: 6px; border-right: 1px solid rgba(0,198,255,.7); border-bottom: 1px solid rgba(0,198,255,.7); transform: rotate(45deg); }
.vertical-link i { position: absolute; top: 0; left: -2px; width: 5px; height: 5px; border-radius: 50%; background: #a0edff; box-shadow: 0 0 8px var(--accent); animation: packet-down 2.1s linear infinite; }
.compact-link { height: 18px; }
.compact-link::after { display: none; }
.gateway-layer { margin-inline: 20px; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 13px; border: 1px solid rgba(0, 198, 255, .41); border-radius: 12px; background: linear-gradient(105deg, rgba(22,119,255,.18), rgba(0,198,255,.055)); box-shadow: 0 0 35px rgba(0, 153, 255, .07); }
.layer-main { display: flex; align-items: center; gap: 9px; min-width: 0; }
.layer-glyph { width: 32px; height: 32px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 8px; color: #81e4ff; background: rgba(0,198,255,.08); }
.layer-glyph svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.layer-main strong, .layer-main small { display: block; font-family: var(--font-latin); }
.layer-main strong { color: #f3f8ff; font-size: 13px; }
.layer-main small { color: #7890ae; font-size: 12px; margin-top: 1px; }
.gateway-modules { display: flex; gap: 5px; flex-wrap: wrap; justify-content: flex-end; }
.gateway-modules span { padding: 5px 7px; border: 1px solid rgba(0,198,255,.14); border-radius: 6px; color: #87cfe7; background: rgba(3,14,29,.35); font: 500 12px var(--font-latin); }
.service-node { flex-direction: column; gap: 3px; }
.service-node i { width: 7px; height: 7px; border: 1px solid var(--success); border-radius: 50%; }
.service-node span { color: #d4e1f1; }
.service-node small { color: #6e84a0; font-size: 12px; }
.systems-stage { padding-top: 5px; }
.muted-node { color: #8799b1; background: rgba(10,20,35,.66); }

.benefits-section { background: linear-gradient(180deg, var(--bg) 0%, #060e1b 100%); }
.split-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 70px; align-items: end; margin-bottom: 49px; }
.split-heading > p { margin: 0; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.benefit-card { position: relative; min-height: 292px; padding: 27px 24px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(14, 24, 40, .74); transition: border-color 220ms ease, transform 220ms ease; }
.benefit-card:hover { transform: translateY(-4px); border-color: rgba(85, 145, 225, .34); }
.benefit-number { position: absolute; top: 24px; left: 22px; color: #60738d; font: 650 12px var(--font-latin); letter-spacing: .8px; }
.benefit-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 44px; border: 1px solid rgba(22,119,255,.23); border-radius: 14px; color: #63cfee; background: rgba(22,119,255,.065); }
.benefit-icon svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.benefit-card h3 { margin: 0; color: #eef5ff; font-size: 20px; }
.benefit-card p { margin: 12px 0 0; color: #8798af; font-size: 14px; line-height: 1.9; }

.organizations-section { padding-top: 116px; background: #060e1b; border-top: 1px solid rgba(129,158,198,.08); }
.audience-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.audience-card { min-height: 165px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; padding: 22px 16px; border: 1px solid var(--line); border-radius: 15px; background: rgba(13, 23, 39, .64); text-align: center; transition: transform 200ms ease, border-color 200ms ease, background 200ms ease; }
.audience-card:hover { transform: translateY(-4px); border-color: rgba(0,198,255,.28); background: rgba(15,30,49,.82); }
.audience-card > span { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 12px; color: #77d9f5; background: rgba(0,198,255,.055); }
.audience-card svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.audience-card h3 { margin: 0; color: #bdcadc; font-size: 14px; line-height: 1.75; font-weight: 650; }

.cta-section { padding-top: 46px; padding-bottom: 116px; background: #060e1b; }
.cta-panel { position: relative; isolation: isolate; overflow: hidden; min-height: 430px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; padding: 62px 68px; border: 1px solid rgba(75, 156, 255, .42); border-radius: 26px; background: linear-gradient(125deg, #0a5ee2 0%, #0877e2 48%, #058ebd 100%); box-shadow: 0 34px 90px rgba(2, 62, 153, .25); }
.cta-panel::before { content: ""; position: absolute; z-index: -1; width: 520px; height: 520px; left: -190px; bottom: -280px; border-radius: 50%; border: 1px solid rgba(255,255,255,.13); box-shadow: 0 0 0 64px rgba(255,255,255,.035), 0 0 0 128px rgba(255,255,255,.02); }
.cta-grid { z-index: -1; opacity: .25; mask-image: linear-gradient(90deg, transparent, #000); }
.light-index { color: rgba(255,255,255,.68); }
.cta-content h2 { font-size: clamp(35px, 4vw, 52px); }
.cta-content > p { max-width: 570px; margin: 18px 0 27px; color: rgba(255,255,255,.82); font-size: 17px; line-height: 1.95; }
.direct-note { display: flex; align-items: center; gap: 7px; margin-top: 17px; color: rgba(255,255,255,.67); font-size: 12px; }
.direct-note span { width: 6px; height: 6px; border-radius: 50%; background: #75f2c7; box-shadow: 0 0 8px rgba(117,242,199,.7); }
.cta-terminal { overflow: hidden; direction: ltr; border: 1px solid rgba(255,255,255,.24); border-radius: 16px; background: rgba(3, 16, 37, .74); box-shadow: 0 24px 54px rgba(2,40,91,.28), inset 0 1px 0 rgba(255,255,255,.05); }
.terminal-head { display: flex; align-items: center; justify-content: space-between; padding: 13px 17px; border-bottom: 1px solid rgba(255,255,255,.1); color: #95b7d5; font: 550 12px var(--font-latin); }
.terminal-head i { width: 7px; height: 7px; border-radius: 50%; background: #65e0b7; box-shadow: 0 0 9px rgba(101,224,183,.7); }
.cta-terminal pre { margin: 0; padding: 24px; color: #c8d8e9; font: 500 12px/1.85 "SFMono-Regular", Consolas, "Liberation Mono", monospace; white-space: pre-wrap; }
.cta-terminal .key { color: #75d9ff; }
.cta-terminal .value { color: #74e4b9; }
.cta-terminal .comment { color: #6f8da9; }

.site-footer { border-top: 1px solid var(--line); background: #040a14; }
.footer-main { min-height: 190px; display: flex; align-items: center; justify-content: space-between; gap: 50px; padding-block: 42px; }
.footer-brand > p { margin: 17px 0 0; color: #6f8098; font-size: 13px; }
.footer-links { display: flex; gap: 30px; align-items: center; }
.footer-bottom { min-height: 65px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(130,158,198,.11); color: #596b84; font-size: 12px; }
.footer-bottom strong { color: #879bb5; font-weight: 700; }

.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity 650ms cubic-bezier(.2,.7,.2,1), transform 650ms cubic-bezier(.2,.7,.2,1); }
.stagger-grid .reveal:nth-child(2) { transition-delay: 60ms; }
.stagger-grid .reveal:nth-child(3) { transition-delay: 120ms; }
.stagger-grid .reveal:nth-child(4) { transition-delay: 180ms; }
.stagger-grid .reveal:nth-child(5) { transition-delay: 40ms; }
.stagger-grid .reveal:nth-child(6) { transition-delay: 100ms; }
.stagger-grid .reveal:nth-child(7) { transition-delay: 160ms; }
.stagger-grid .reveal:nth-child(8) { transition-delay: 220ms; }

@keyframes hero-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes console-in { from { opacity: 0; transform: translateX(-16px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes status-pulse { 0% { transform: scale(.7); opacity: 0; } 30% { opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }
@keyframes packet-flow { from { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } to { left: calc(100% - 4px); opacity: 0; } }
@keyframes packet-down { from { top: 0; opacity: 0; } 20% { opacity: 1; } 80% { opacity: 1; } to { top: calc(100% - 4px); opacity: 0; } }
@keyframes scroll-drop { 0% { transform: translateY(0); opacity: 0; } 25% { opacity: 1; } 100% { transform: translateY(300%); opacity: 0; } }

@media (max-width: 1100px) {
  .desktop-nav { gap: 19px; }
  .header-cta { padding-inline: 14px; }
  .hero-layout { grid-template-columns: minmax(0, .8fr) minmax(500px, 1.2fr); gap: 34px; }
  .feature-grid, .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card { min-height: 225px; }
}

@media (max-width: 960px) {
  .section { padding-block: 98px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .mobile-menu { display: block; position: absolute; top: 78px; left: 20px; right: 20px; visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity 180ms ease, transform 180ms ease, visibility 180ms; }
  .mobile-menu.open { visibility: visible; opacity: 1; transform: translateY(0); }
  .mobile-menu nav { display: grid; gap: 2px; padding: 10px; border: 1px solid var(--line-strong); border-radius: 15px; background: rgba(7,16,31,.98); box-shadow: 0 24px 60px rgba(0,0,0,.42); }
  .mobile-menu a:not(.button) { padding: 11px 13px; border-radius: 8px; color: #c5d1e2; text-decoration: none; font-size: 15px; }
  .mobile-menu a:not(.button):hover { background: rgba(22,119,255,.09); color: #fff; }
  .mobile-menu .button { margin-top: 6px; }
  .hero { min-height: auto; padding-top: 130px; }
  .hero-layout { grid-template-columns: 1fr; gap: 54px; }
  .hero-copy { max-width: 760px; }
  .gateway-console { width: min(100%, 690px); margin-inline: auto; }
  .scroll-cue { display: none; }
  .intro-layout { grid-template-columns: 1fr; gap: 38px; }
  .intro-heading { position: static; }
  .architecture-layout { grid-template-columns: 1fr; gap: 43px; }
  .architecture-copy { max-width: 720px; }
  .split-heading { grid-template-columns: 1fr; gap: 17px; align-items: start; }
  .split-heading > p { max-width: 720px; }
  .audience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cta-panel { padding: 52px 44px; gap: 34px; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 30px, 1180px); }
  .section { padding-block: 80px; }
  .nav-shell { height: 70px; }
  .mobile-menu { top: 70px; left: 15px; right: 15px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 11px; }
  .brand-mark svg { width: 27px; height: 27px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { display: none; }
  .hero { padding: 112px 0 76px; }
  .hero h1 { font-size: clamp(38px, 11vw, 52px); letter-spacing: -1.4px; }
  .hero-lead { font-size: 17px; line-height: 1.95; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { flex: 1 1 100%; }
  .hero-signals { gap: 10px 15px; }
  .flow-board { grid-template-columns: 1fr; gap: 8px; padding: 20px 14px; }
  .endpoint-column { grid-template-columns: 1fr 1fr; }
  .column-label { grid-column: 1 / -1; text-align: center; }
  .flow-connector { width: 1px; height: 24px; margin: 0 auto; background: linear-gradient(to bottom, rgba(59,110,180,.15), rgba(0,198,255,.56)); }
  .flow-connector::after { top: auto; right: -3px; bottom: -1px; transform: rotate(135deg); }
  .flow-connector i { top: 0; left: -2px; animation-name: packet-down; }
  .gateway-core { width: min(100%, 320px); margin-inline: auto; }
  .console-footer > div { padding-inline: 10px; }
  .control-strip { grid-template-columns: 1fr; }
  .feature-grid, .benefit-grid { grid-template-columns: 1fr; }
  .feature-card, .benefit-card { min-height: auto; }
  .feature-card h3 { min-height: 0; }
  .four-nodes { grid-template-columns: repeat(2, 1fr); }
  .gateway-layer { align-items: flex-start; flex-direction: column; }
  .gateway-modules { justify-content: flex-start; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .audience-card:last-child { grid-column: 1 / -1; }
  .cta-panel { grid-template-columns: 1fr; padding: 42px 26px; }
  .cta-terminal { display: none; }
  .footer-main { align-items: flex-start; flex-direction: column; gap: 28px; }
  .footer-links { width: 100%; justify-content: space-between; gap: 16px; }
}

@media (max-width: 450px) {
  .hero-signals { display: grid; grid-template-columns: 1fr 1fr; }
  .console-topbar { padding-inline: 13px; }
  .console-identity strong { max-width: 160px; }
  .live-state { font-size: 0; gap: 0; }
  .endpoint-column { grid-template-columns: 1fr; }
  .console-footer span { letter-spacing: .5px; }
  .section-heading h2, .architecture-copy h2, .cta-content h2 { font-size: 34px; }
  .architecture-map { border-radius: 17px; }
  .map-stage { padding-inline: 12px; }
  .gateway-layer { margin-inline: 12px; }
  .three-nodes { grid-template-columns: 1fr; }
  .service-node { min-height: 46px; flex-direction: row; }
  .architecture-node { min-height: 50px; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-card:last-child { grid-column: auto; }
  .audience-card { min-height: 140px; }
  .cta-panel { border-radius: 20px; }
  .footer-links { flex-wrap: wrap; justify-content: flex-start; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 18px; }
}

@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; }
  .js .reveal { opacity: 1; transform: none; }
}