/* =========================================================================
   壹链物流科技 · 官网统一设计系统
   1stlian Logistics Technology — Design System v1.0
   Palette: deep-ocean navy / signal blue / ice
   ========================================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  /* ink & navy */
  --ink-950: #030c16;
  --ink-900: #04121f;
  --ink-800: #061a2b;
  --ink-700: #0a2438;
  --ink-600: #0e3049;

  /* blue ramp */
  --blue-900: #072a71;
  --blue-800: #0a3a9e;
  --blue-700: #0f52d9;
  --blue-600: #1667ff;
  --blue-500: #3785ff;
  --blue-400: #6aa7ff;
  --blue-300: #8fbcff;
  --blue-200: #c3dbff;
  --ice-100: #eef4ff;
  --ice-50: #f6f9ff;

  /* neutrals */
  --paper: #f5f8fd;
  --white: #ffffff;
  --text: #0b1b2b;
  --text-soft: #33475c;
  --muted: #5c7288;
  --muted-light: #8ba0b4;

  /* lines */
  --line: rgba(11, 44, 77, 0.11);
  --line-strong: rgba(11, 44, 77, 0.2);
  --line-dark: rgba(143, 188, 255, 0.16);
  --line-dark-strong: rgba(143, 188, 255, 0.3);

  /* type */
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "Noto Sans SC", "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  /* layout */
  --container: 1220px;
  --gutter: clamp(20px, 4vw, 40px);
  --section-y: clamp(66px, 8.4vw, 128px);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  /* effects */
  --shadow-card: 0 1px 2px rgba(6, 26, 43, 0.04), 0 22px 48px -34px rgba(6, 26, 43, 0.45);
  --shadow-lift: 0 2px 4px rgba(6, 26, 43, 0.05), 0 34px 70px -40px rgba(10, 58, 158, 0.55);
  --glow-blue: 0 0 0 1px rgba(22, 103, 255, 0.28), 0 18px 50px -20px rgba(22, 103, 255, 0.55);
  --ease: cubic-bezier(0.22, 0.68, 0.24, 0.99);

  /* per-product accent (overridden by data-product) */
  --accent: var(--blue-600);
  --accent-soft: var(--blue-500);
  --accent-deep: var(--blue-800);
}

/* 四条产品线：同一蓝色家族里的四个色阶（青 → 天青 → 宝蓝 → 靛蓝） */
[data-product="logisx"] {
  --accent: #07768a;
  --accent-soft: #4fc9de;
  --accent-deep: #044a57;
}
[data-product="wms"] {
  --accent: #0c6fb8;
  --accent-soft: #58b8f0;
  --accent-deep: #064a7c;
}
[data-product="lms"] {
  --accent: #1656e0;
  --accent-soft: #6e9eff;
  --accent-deep: #0a3a9e;
}
[data-product="tms"] {
  --accent: #3346c4;
  --accent-soft: #8a97ff;
  --accent-deep: #171d73;
}

/* ---------- 2. Reset / base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body.has-subnav {
  scroll-padding-top: 142px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.72;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: 0;
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--blue-600);
  color: #fff;
}

/* ---------- 3. Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  position: relative;
  padding: var(--section-y) 0;
  scroll-margin-top: 96px;
}

.section--tight {
  padding: clamp(48px, 6vw, 82px) 0;
}

.section--paper {
  background: var(--paper);
}

.section--white {
  background: var(--white);
}

.section--dark {
  background: var(--ink-900);
  color: #e7f0fb;
}

.section--dark h2,
.section--dark h3 {
  color: #fff;
}

.section--dark .section-sub {
  color: rgba(214, 231, 250, 0.72);
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ---------- 4. Type utilities ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.section--dark .eyebrow {
  color: var(--accent-soft);
}

.eyebrow .idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 20px;
  padding: 0 5px;
  border: 1px solid currentColor;
  border-radius: 3px;
  font-size: 10px;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

.eyebrow--plain::before {
  display: none;
}

.section-head {
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 32px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
  margin-bottom: clamp(36px, 4.6vw, 62px);
}

.section--dark .section-head {
  border-top-color: var(--line-dark);
}

.section-title {
  margin-top: 20px;
  font-size: clamp(28px, 3.5vw, 46px);
  letter-spacing: -0.01em;
}

.section-title em {
  font-style: normal;
  color: var(--accent);
}

.section-sub {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: min(46ch, 100%);
  padding-bottom: 6px;
}

.section-head .section-sub {
  justify-self: end;
}

.lead {
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.85;
  color: var(--text-soft);
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.06em;
}

.accent {
  color: var(--accent);
}

.accent-underline {
  position: relative;
  white-space: nowrap;
}

.accent-underline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.36em;
  background: linear-gradient(90deg, rgba(22, 103, 255, 0.28), rgba(108, 195, 255, 0.12));
  z-index: -1;
  border-radius: 2px;
}

/* ---------- 5. Buttons ---------- */
.btn {
  --btn-bg: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease),
    border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
}

.btn svg {
  width: 15px;
  height: 15px;
  transition: transform 0.35s var(--ease);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 66%, var(--accent-soft)) 100%);
  color: #fff;
  box-shadow: 0 14px 34px -16px color-mix(in srgb, var(--accent) 58%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -18px color-mix(in srgb, var(--accent) 70%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.section--dark .btn-ghost,
.p-hero .btn-ghost,
.hero .btn-ghost {
  border-color: rgba(180, 210, 250, 0.3);
  color: #e9f2fd;
}

.section--dark .btn-ghost:hover,
.p-hero .btn-ghost:hover,
.hero .btn-ghost:hover {
  border-color: var(--blue-300);
  color: #fff;
  background: rgba(143, 188, 255, 0.12);
}

.btn-sm {
  height: 38px;
  padding: 0 17px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--accent);
}

.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform 0.35s var(--ease);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ---------- 6. Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 18, 31, 0.72), rgba(4, 18, 31, 0));
  opacity: 1;
  transition: opacity 0.4s;
  pointer-events: none;
}

.site-header.is-solid {
  background: rgba(4, 17, 29, 0.86);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: rgba(143, 188, 255, 0.14);
}

.site-header.is-solid::before {
  opacity: 0;
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  color: #fff;
}

.brand-logo {
  height: 28px;
  width: auto;
  flex: none;
}

.brand-divider {
  width: 1px;
  height: 26px;
  flex: none;
  background: rgba(143, 188, 255, 0.22);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-text span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(193, 218, 250, 0.65);
  margin-top: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 9px 13px;
  font-size: 14px;
  color: rgba(224, 238, 253, 0.78);
  border-radius: 999px;
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
  white-space: nowrap;
}

.nav-link:hover {
  color: #fff;
  background: rgba(143, 188, 255, 0.1);
}

.nav-link.is-active {
  color: #fff;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-300), transparent);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: 8px;
}

.header-cta .btn-primary {
  height: 40px;
  padding: 0 18px;
  font-size: 13px;
}

/* LMS：右上角登录入口优先于预约演示 */
.header-cta--login {
  gap: 8px;
}

/* 深色页头上的次级按钮（描边型登录入口） */
.site-header .btn-ghost {
  border-color: rgba(180, 210, 250, 0.32);
  color: #e9f2fd;
  background: rgba(143, 188, 255, 0.06);
}

.site-header .btn-ghost:hover {
  border-color: var(--accent-soft);
  color: #fff;
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}

.header-text-link {
  font-size: 13px;
  color: rgba(224, 238, 253, 0.7);
  padding: 6px 6px;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
  white-space: nowrap;
}

.header-text-link:hover {
  color: #fff;
  border-bottom-color: rgba(143, 188, 255, 0.55);
}

.header-cta--login .btn-sm {
  height: 40px;
  padding: 0 16px;
  font-size: 13px;
}

.header-cta--login .btn-primary svg {
  width: 13px;
  height: 13px;
}

.nav-login {
  display: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(143, 188, 255, 0.22);
  border-radius: 10px;
  position: relative;
  margin-left: auto;
}

.nav-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: #dce9fb;
  transition: transform 0.35s var(--ease), opacity 0.25s;
}

.nav-toggle span:nth-child(1) {
  top: 16px;
}
.nav-toggle span:nth-child(2) {
  bottom: 16px;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-open .nav-toggle span:nth-child(2) {
  transform: translateY(-5px) rotate(-45deg);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: transparent;
  overflow: hidden;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  transition: width 0.1s linear;
}

/* ---------- 7. Hero (home) ---------- */
.hero {
  position: relative;
  background: var(--ink-900);
  color: #e9f2fd;
  padding: calc(76px + clamp(48px, 7vw, 92px)) 0 0;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(22, 103, 255, 0.42), transparent 62%),
    radial-gradient(760px 480px at 88% 6%, rgba(108, 195, 255, 0.2), transparent 60%),
    radial-gradient(680px 520px at 62% 108%, rgba(15, 82, 217, 0.24), transparent 64%),
    var(--ink-900);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(143, 188, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 188, 255, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 30% 0%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 30% 0%, #000 10%, transparent 78%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(30px, 4vw, 58px);
  align-items: center;
  padding-bottom: clamp(44px, 6vw, 76px);
}

.hero .eyebrow {
  color: var(--blue-300);
}

.hero-title {
  margin: 22px 0 0;
  font-size: clamp(38px, 5.1vw, 70px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: #fff;
}

.hero-title .accent {
  position: relative;
  background: linear-gradient(100deg, #8fbcff 0%, #6cc3ff 46%, #a8f0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin-top: 26px;
  max-width: min(54ch, 100%);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.9;
  color: rgba(214, 231, 250, 0.76);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.hero-facts li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(178, 206, 240, 0.72);
  display: flex;
  align-items: center;
}

.hero-facts li + li::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--blue-400);
  margin: 0 14px;
  opacity: 0.8;
}

/* route visual */
.hero-visual {
  position: relative;
  min-height: 530px;
}

.route-map {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 118px;
  width: auto;
  height: auto;
  overflow: visible;
}

.route-map .grid-dot {
  fill: rgba(143, 188, 255, 0.35);
}

.route-line {
  fill: none;
  stroke: url(#routeGrad);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 5 7;
  animation: routeFlow 14s linear infinite;
}

.route-line--dim {
  opacity: 0.45;
  stroke-dasharray: 2 10;
  animation-duration: 22s;
}

.route-solid {
  fill: none;
  stroke: rgba(143, 188, 255, 0.22);
  stroke-width: 1;
}

@keyframes routeFlow {
  to {
    stroke-dashoffset: -240;
  }
}

.port {
  fill: #0a2438;
  stroke: var(--blue-300);
  stroke-width: 1.4;
}

.port-pulse {
  fill: none;
  stroke: var(--blue-400);
  stroke-width: 1;
  opacity: 0.6;
  transform-origin: center;
  animation: portPulse 2.8s ease-out infinite;
}

@keyframes portPulse {
  0% {
    r: 5;
    opacity: 0.7;
  }
  100% {
    r: 20;
    opacity: 0;
  }
}

.port-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  fill: rgba(190, 216, 248, 0.75);
}

.port-label--strong {
  fill: #dcecff;
}

/* floating tracking card */
.track-card {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(282px, 82%);
  padding: 15px;
  border: 1px solid rgba(143, 188, 255, 0.24);
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(10, 36, 56, 0.96), rgba(4, 16, 28, 0.94));
  backdrop-filter: blur(12px);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: floatCard 7s ease-in-out infinite;
}

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}

.track-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(158, 190, 228, 0.8);
}

.track-head .dot-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7ee8ff;
}

.track-head .dot-live::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7ee8ff;
  box-shadow: 0 0 10px #7ee8ff;
  animation: blink 2.2s infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

.track-no {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: #fff;
}

.track-route {
  margin-top: 2px;
  font-size: 12px;
  color: rgba(190, 216, 248, 0.66);
}

.track-steps {
  margin-top: 14px;
  display: grid;
  gap: 7px;
}

.track-step {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  color: rgba(190, 216, 248, 0.55);
}

.track-step i {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid rgba(143, 188, 255, 0.35);
  position: relative;
  flex: none;
}

.track-step.is-done {
  color: rgba(226, 240, 255, 0.9);
}

.track-step.is-done i {
  background: var(--blue-500);
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(55, 133, 255, 0.16);
}

.track-step.is-done i::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1.5px;
  width: 4px;
  height: 7px;
  border: solid #fff;
  border-width: 0 1.4px 1.4px 0;
  transform: rotate(42deg);
}

.track-step.is-now {
  color: #fff;
}

.track-step.is-now i {
  border-color: #7ee8ff;
  background: radial-gradient(circle at center, #7ee8ff 34%, transparent 36%);
  box-shadow: 0 0 0 4px rgba(126, 232, 255, 0.12);
}

.track-bar {
  margin-top: 14px;
  height: 2px;
  border-radius: 2px;
  background: rgba(143, 188, 255, 0.16);
  overflow: hidden;
}

.track-bar span {
  display: block;
  height: 100%;
  width: 62%;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}

/* ---------- 8. Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
}

.stat {
  padding: clamp(20px, 2.6vw, 30px) clamp(10px, 2vw, 26px);
  border-left: 1px solid var(--line-dark);
}

.stat:first-child {
  border-left: 0;
  padding-left: 0;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: #fff;
  letter-spacing: -0.02em;
}

.stat-num small {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--blue-300);
  margin-left: 7px;
  vertical-align: 0.35em;
}

.stat-label {
  margin-top: 12px;
  font-size: 13px;
  color: rgba(196, 220, 246, 0.66);
}

/* ---------- 9. Product matrix (home) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 20px);
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 38px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
  scroll-margin-top: 110px;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 72%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.product-card::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  right: -120px;
  top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 12%, transparent), transparent 68%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card:hover::after {
  opacity: 1;
}

.pc-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.pc-top .pc-index {
  font-size: 11px;
  color: var(--accent);
}

.pc-code {
  color: var(--text);
  font-weight: 500;
}

.pc-body {
  margin-top: 22px;
}

.product-card h3 {
  font-size: clamp(21px, 2vw, 26px);
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.pc-ghost {
  position: absolute;
  right: clamp(16px, 2vw, 30px);
  top: 50%;
  transform: translateY(-46%);
  font-family: var(--font-display);
  font-size: clamp(76px, 8vw, 118px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(11, 44, 77, 0.055);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.pc-body,
.pc-foot,
.pc-top {
  position: relative;
  z-index: 1;
}

.pc-desc,
.pc-list {
  max-width: min(46ch, 100%);
}

.product-card h3 span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}

.pc-desc {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.pc-list {
  margin-top: 20px;
  display: grid;
  gap: 9px;
}

.pc-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--text-soft);
}

.pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  transform: rotate(45deg);
  opacity: 0.75;
}

.pc-foot {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: rgba(246, 249, 255, 0.7);
  white-space: nowrap;
}

.section--dark .tag {
  border-color: var(--line-dark);
  color: rgba(196, 220, 246, 0.72);
  background: rgba(143, 188, 255, 0.06);
}

/* ---------- 10. Chain diagram ---------- */
.chain {
  display: grid;
  gap: 14px;
}

.chain-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.chain-track::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 34px;
  border-top: 1px dashed rgba(143, 188, 255, 0.34);
  z-index: 0;
}

.chain-node {
  position: relative;
  z-index: 1;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: linear-gradient(170deg, rgba(14, 48, 73, 0.68), rgba(6, 26, 43, 0.5));
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), background 0.4s;
}

.chain-node:hover {
  border-color: rgba(143, 188, 255, 0.5);
  transform: translateY(-3px);
  background: linear-gradient(170deg, rgba(18, 58, 88, 0.8), rgba(6, 26, 43, 0.55));
}

.chain-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(158, 190, 228, 0.72);
}

.chain-step i {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(143, 188, 255, 0.4);
  border-radius: 50%;
  color: #cfe4ff;
  font-style: normal;
  font-size: 10px;
  background: rgba(4, 18, 31, 0.9);
}

.chain-node h4 {
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.chain-node h4 span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--accent-soft);
  margin-left: 7px;
  font-weight: 400;
}

.chain-node p {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(196, 220, 246, 0.62);
}

.chain-base {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.chain-layer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding: 16px 20px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: rgba(143, 188, 255, 0.05);
}

.chain-layer b {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  padding-right: 16px;
  border-right: 1px solid var(--line-dark);
}

.chain-layer span {
  font-size: 12.5px;
  color: rgba(196, 220, 246, 0.7);
}

/* ---------- 11. Value cards ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.value-card {
  padding: clamp(26px, 3.2vw, 40px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  transition: background 0.4s var(--ease);
}

.value-card:hover {
  background: linear-gradient(180deg, rgba(238, 244, 255, 0.7), var(--white));
}

.value-idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.value-card h3 {
  margin-top: 16px;
  font-size: 20px;
}

.value-card p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.value-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.icon-box {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  border-radius: 10px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  margin-bottom: 18px;
}

.icon-box svg {
  width: 21px;
  height: 21px;
}

/* ---------- 12. Tabs / industries ---------- */
.tabs {
  border-top: 1px solid var(--line);
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-top: 18px;
  border-bottom: 1px solid var(--line);
}

.tab {
  position: relative;
  padding: 12px 18px 16px;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.3s var(--ease);
  white-space: nowrap;
}

.tab::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease);
}

.tab:hover {
  color: var(--text);
}

.tab.is-active {
  color: var(--text);
  font-weight: 500;
}

.tab.is-active::after {
  transform: scaleX(1);
}

.tab-panel {
  display: none;
  padding: clamp(28px, 4vw, 48px) 0 0;
  animation: panelIn 0.5s var(--ease);
}

.tab-panel.is-active {
  display: block;
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 64px);
}

.panel-grid h3 {
  font-size: clamp(22px, 2.4vw, 30px);
}

.panel-grid > div > p {
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

.panel-points {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.panel-points li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.panel-points .pt-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  padding-top: 4px;
}

.panel-points strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
}

.panel-points span {
  font-size: 13.5px;
  color: var(--muted);
}

.panel-products {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 22px;
}

/* ---------- 13. CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--ink-900);
  color: #eaf3ff;
  padding: clamp(56px, 7vw, 96px) 0;
  overflow: hidden;
  isolation: isolate;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(700px 380px at 78% 20%, rgba(22, 103, 255, 0.36), transparent 66%),
    radial-gradient(560px 320px at 8% 90%, rgba(108, 195, 255, 0.18), transparent 62%);
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(90deg, rgba(143, 188, 255, 0.08) 1px, transparent 1px);
  background-size: 84px 100%;
  mask-image: linear-gradient(90deg, transparent, #000 40%, #000 60%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%, #000 60%, transparent);
}

.cta-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(26px, 4vw, 70px);
}

.cta-inner h2 {
  font-size: clamp(28px, 3.6vw, 48px);
  color: #fff;
}

.cta-inner p {
  margin-top: 16px;
  max-width: min(52ch, 100%);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(206, 227, 250, 0.74);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

/* ---------- 14. About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 72px);
}

.about-copy p {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.95;
  color: var(--text-soft);
}

.about-copy p + p {
  margin-top: 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

.about-facts {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-dark);
}

.about-facts li {
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
}

.about-facts--light {
  border-top-color: var(--line);
}

.about-facts--light li {
  border-bottom-color: var(--line);
}

.about-facts--light b {
  color: var(--accent);
}

.about-facts--light span {
  color: var(--muted);
}

.about-facts b {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 8px;
}

.about-facts span {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(214, 231, 250, 0.82);
}

/* ---------- 15. Footer ---------- */
.site-footer {
  background: var(--ink-950);
  color: rgba(203, 224, 247, 0.72);
  padding: clamp(52px, 6vw, 80px) 0 28px;
  border-top: 1px solid rgba(143, 188, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 0.8fr));
  gap: clamp(28px, 4vw, 56px);
}

.footer-grid--5 {
  grid-template-columns: minmax(0, 1.62fr) repeat(4, minmax(0, 0.68fr));
}

.footer-brand p {
  margin-top: 20px;
  max-width: min(38ch, 100%);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(170, 199, 233, 0.66);
}

.footer-col h5 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(143, 188, 255, 0.6);
}

.footer-col li + li {
  margin-top: 10px;
}

.footer-col a,
.footer-col span {
  font-size: 13.5px;
  color: rgba(203, 224, 247, 0.78);
  transition: color 0.3s;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: clamp(36px, 5vw, 58px);
  padding-top: 22px;
  border-top: 1px solid rgba(143, 188, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: rgba(150, 180, 214, 0.55);
}

/* ---------- 15b. Filing / ICP strip ---------- */
.footer-filings {
  margin-top: clamp(30px, 4vw, 46px);
  padding-top: 18px;
  border-top: 1px solid rgba(143, 188, 255, 0.12);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px 26px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: rgba(150, 180, 214, 0.6);
}

.ff-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.footer-filings > b {
  font-weight: 500;
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(143, 188, 255, 0.55);
}

.ff-item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
}

.ff-item i {
  font-style: normal;
  color: rgba(143, 188, 255, 0.26);
}

.ff-item em {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(150, 180, 214, 0.55);
  margin-right: 2px;
}

.footer-filings a {
  color: rgba(206, 227, 250, 0.84);
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.footer-filings a.ff-icp {
  color: rgba(170, 199, 233, 0.68);
}

.footer-filings a:hover {
  color: #fff;
  border-bottom-color: rgba(143, 188, 255, 0.55);
}

.footer-filings + .footer-bottom {
  margin-top: 16px;
  padding-top: 0;
  border-top: 0;
}

/* ---------- 16. Product page hero ---------- */
.p-hero {
  position: relative;
  background: var(--ink-900);
  color: #e9f2fd;
  padding: calc(76px + clamp(40px, 5.6vw, 74px)) 0 clamp(40px, 5vw, 64px);
  overflow: hidden;
  isolation: isolate;
}

.p-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: radial-gradient(820px 460px at 8% -10%, color-mix(in srgb, var(--accent-soft) 34%, transparent), transparent 66%),
    radial-gradient(700px 420px at 92% 8%, rgba(108, 195, 255, 0.18), transparent 62%),
    var(--ink-900);
}

.p-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(143, 188, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 188, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 100% at 20% 0%, #000 8%, transparent 74%);
  -webkit-mask-image: radial-gradient(120% 100% at 20% 0%, #000 8%, transparent 74%);
}

.p-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(30px, 4vw, 60px);
  align-items: center;
}

.p-hero .eyebrow {
  color: var(--accent-soft);
}

.p-hero h1 {
  margin-top: 20px;
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.1;
  color: #fff;
}

.p-hero h1 .p-code {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.1vw, 14px);
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.p-hero .lead {
  margin-top: 22px;
  max-width: min(52ch, 100%);
  color: rgba(214, 231, 250, 0.78);
}

.p-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 26px;
}

.p-tags .tag {
  border-color: rgba(143, 188, 255, 0.26);
  background: rgba(143, 188, 255, 0.07);
  color: rgba(206, 227, 250, 0.86);
}

.p-hero .hero-actions {
  margin-top: 30px;
}

.p-hero-visual {
  position: relative;
}

.p-hero-meta {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.p-hero-meta div {
  font-size: 12px;
  color: rgba(178, 206, 240, 0.68);
}

.p-hero-meta b {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(143, 188, 255, 0.66);
  margin-bottom: 6px;
}

/* ---------- 17. Sticky subnav ---------- */
.subnav {
  position: sticky;
  top: 76px;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.subnav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 54px;
}

.subnav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.subnav-links::-webkit-scrollbar {
  display: none;
}

.subnav-links a {
  position: relative;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--muted);
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.25s, background 0.25s;
}

.subnav-links a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.subnav-links a.is-active {
  color: var(--accent);
}

.subnav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.subnav-aside {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.subnav-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.product-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(246, 249, 255, 0.8);
}

.product-switch a {
  padding: 4px 10px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: all 0.25s;
}

.product-switch a:hover {
  color: var(--accent);
  background: #fff;
}

.product-switch a.is-current {
  color: #fff;
  background: var(--accent);
}

/* ---------- 18. UI mock (product hero visuals) ---------- */
.mock {
  position: relative;
  border: 1px solid rgba(143, 188, 255, 0.22);
  border-radius: 14px;
  background: linear-gradient(165deg, rgba(10, 36, 56, 0.94), rgba(4, 14, 24, 0.96));
  box-shadow: 0 44px 90px -44px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  font-size: 12px;
  color: #cfe3ff;
}

.mock-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(143, 188, 255, 0.12);
  background: rgba(143, 188, 255, 0.04);
}

.mock-dots {
  display: flex;
  gap: 5px;
}

.mock-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(143, 188, 255, 0.32);
}

.mock-title {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(178, 206, 240, 0.7);
}

.mock-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: #7ee8ff;
}

.mock-live::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #7ee8ff;
  box-shadow: 0 0 8px #7ee8ff;
}

.mock-body {
  padding: 14px;
  display: grid;
  gap: 10px;
}

.m-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.m-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(158, 190, 228, 0.62);
}

.m-strong {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #eaf4ff;
}

.m-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 7px;
  border: 1px solid rgba(143, 188, 255, 0.24);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  color: rgba(206, 227, 250, 0.82);
  background: rgba(143, 188, 255, 0.06);
  white-space: nowrap;
}

.m-chip--accent {
  border-color: color-mix(in srgb, var(--accent-soft) 55%, transparent);
  color: color-mix(in srgb, var(--accent-soft) 55%, #ffffff);
  background: color-mix(in srgb, var(--accent) 22%, transparent);
}

.m-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.m-kpi {
  padding: 9px 10px;
  border: 1px solid rgba(143, 188, 255, 0.12);
  border-radius: 7px;
  background: rgba(143, 188, 255, 0.04);
}

.m-kpi b {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  line-height: 1.2;
}

.m-kpi span {
  display: block;
  margin-top: 3px;
  font-size: 9px;
  letter-spacing: 0.06em;
  color: rgba(158, 190, 228, 0.6);
}

.m-table {
  border: 1px solid rgba(143, 188, 255, 0.12);
  border-radius: 7px;
  overflow: hidden;
}

.m-tr {
  display: grid;
  grid-template-columns: 1.3fr 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border-top: 1px solid rgba(143, 188, 255, 0.09);
  font-size: 10px;
  color: rgba(206, 227, 250, 0.78);
}

.m-tr:first-child {
  border-top: 0;
  background: rgba(143, 188, 255, 0.05);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(158, 190, 228, 0.6);
}

.m-tr .m-state {
  justify-self: end;
  font-size: 8.5px;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(108, 195, 255, 0.14);
  color: #a9e4ff;
  white-space: nowrap;
}

.m-bubble {
  max-width: 84%;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 10.5px;
  line-height: 1.65;
  color: rgba(224, 238, 253, 0.92);
  background: rgba(143, 188, 255, 0.09);
  border: 1px solid rgba(143, 188, 255, 0.14);
}

.m-bubble--me {
  margin-left: auto;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 40%, transparent), color-mix(in srgb, var(--accent) 18%, transparent));
  border-color: rgba(108, 195, 255, 0.32);
}

.m-bubble b {
  color: #fff;
  font-weight: 500;
}

.m-note {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  color: rgba(158, 190, 228, 0.55);
}

.m-note::before {
  content: "";
  width: 14px;
  height: 1px;
  background: currentColor;
}

.m-flow {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.m-flow .m-step {
  padding: 5px 8px;
  border-radius: 4px;
  border: 1px solid rgba(143, 188, 255, 0.18);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.06em;
  color: rgba(206, 227, 250, 0.7);
}

.m-flow .m-step.is-on {
  border-color: rgba(108, 195, 255, 0.55);
  background: rgba(108, 195, 255, 0.12);
  color: #c8f1ff;
}

.m-flow .m-arrow {
  width: 10px;
  height: 1px;
  background: rgba(143, 188, 255, 0.34);
  position: relative;
}

.m-flow .m-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -2px;
  border: 2.5px solid transparent;
  border-left-color: rgba(143, 188, 255, 0.5);
}

.m-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 54px;
  padding-top: 6px;
}

.m-bars i {
  flex: 1;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 78%, transparent), color-mix(in srgb, var(--accent) 20%, transparent));
}

.m-bars i.is-peak {
  background: linear-gradient(180deg, #9ff0ff, rgba(22, 103, 255, 0.35));
}

.m-slots {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
}

.m-slot {
  aspect-ratio: 1;
  border-radius: 3px;
  border: 1px solid rgba(143, 188, 255, 0.26);
  background: rgba(143, 188, 255, 0.08);
}

.m-slot.is-full {
  background: rgba(108, 195, 255, 0.34);
  border-color: rgba(108, 195, 255, 0.4);
}

.m-slot.is-hot {
  background: color-mix(in srgb, var(--accent) 78%, transparent);
  border-color: color-mix(in srgb, var(--accent-soft) 75%, transparent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent-soft) 55%, transparent);
}

.m-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.m-panel {
  padding: 10px;
  border: 1px solid rgba(143, 188, 255, 0.12);
  border-radius: 7px;
  background: rgba(4, 16, 28, 0.5);
}

.m-panel .m-label {
  display: block;
  margin-bottom: 7px;
}

.m-plats {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.m-plats span {
  padding: 3px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.08em;
  color: rgba(206, 227, 250, 0.75);
  background: rgba(143, 188, 255, 0.1);
}

/* ---------- 18b. Portal login row ---------- */
.login-row {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.login-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(143, 188, 255, 0.58);
  margin-right: 2px;
}

.login-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(143, 188, 255, 0.22);
  border-radius: 8px;
  background: rgba(143, 188, 255, 0.05);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.login-link:hover {
  border-color: color-mix(in srgb, var(--accent-soft) 60%, transparent);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  transform: translateY(-1px);
}

.login-link b {
  font-size: 12.5px;
  font-weight: 500;
  color: #eaf4ff;
}

.login-link span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(158, 190, 228, 0.68);
}

.login-link svg {
  width: 12px;
  height: 12px;
  color: rgba(158, 190, 228, 0.75);
}

/* ---------- 19. Overview / facts ---------- */
.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 4vw, 62px);
  align-items: start;
}

.overview-copy h2 {
  font-size: clamp(26px, 3.2vw, 40px);
}

.overview-copy p {
  margin-top: 20px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--text-soft);
}

.overview-copy p + p {
  font-size: 14.5px;
  color: var(--muted);
}

.overview-quote {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

.fact-list {
  border-top: 1px solid var(--line);
}

.fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.fact dt {
  font-size: 13.5px;
  color: var(--muted);
}

.fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-align: right;
}

.fact dd small {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted-light);
  margin-left: 4px;
}

/* ---------- 20. Capability cards ---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--white);
}

.cap-card {
  position: relative;
  padding: clamp(22px, 2.5vw, 32px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}

.cap-card:hover {
  background: linear-gradient(180deg, rgba(238, 244, 255, 0.85), var(--white));
}

.cap-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.cap-card:hover::after {
  opacity: 1;
}

.cap-card .icon-box {
  margin-bottom: 16px;
  border-radius: 9px;
}

.cap-card h3 {
  font-family: var(--font-sans);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.cap-card h3 .cap-no {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--muted-light);
}

.cap-card p {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.cap-card .cap-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.cap-card--cta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 7%, transparent), rgba(246, 249, 255, 0) 62%);
}

.cap-card--cta h3 {
  font-family: var(--font-display);
  font-size: 20px;
}

.cap-card--cta .link-arrow {
  margin-top: 20px;
}

/* ---------- 21. Advantages ---------- */
.adv-list {
  border-top: 1px solid var(--line);
}

.adv-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1.06fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 46px);
  padding: clamp(26px, 3.2vw, 40px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}

.adv-item:hover {
  background: linear-gradient(90deg, rgba(238, 244, 255, 0.8), transparent 70%);
}

.adv-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  padding-top: 5px;
}

.adv-num b {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: rgba(11, 44, 77, 0.14);
  margin-top: 6px;
  letter-spacing: -0.02em;
}

.adv-item h3 {
  font-size: clamp(19px, 2.1vw, 25px);
}

.adv-item p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.adv-points {
  display: grid;
  gap: 10px;
  align-content: start;
}

.adv-points li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.adv-points li::before {
  content: "";
  margin-top: 9px;
  width: 10px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

/* ---------- 22. Scenarios ---------- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 18px);
}

.scenario {
  position: relative;
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
  overflow: hidden;
}

.scenario:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  box-shadow: var(--shadow-card);
}

.scenario-no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--muted-light);
}

.scenario h3 {
  margin-top: 14px;
  font-size: 18px;
}

.scenario p {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.scenario .role-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

/* ---------- 23. Architecture ---------- */
.arch {
  display: grid;
  gap: 10px;
}

.arch-layer {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  transition: border-color 0.35s, transform 0.35s var(--ease);
}

.arch-layer:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
  transform: translateX(2px);
}

.arch-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.arch-label small {
  display: block;
  margin-top: 5px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
}

.arch-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.arch-nodes span {
  padding: 6px 10px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--ice-50);
  font-size: 12px;
  color: var(--text-soft);
  white-space: nowrap;
}

.arch--dark .arch-layer {
  background: rgba(143, 188, 255, 0.035);
  border-color: var(--line-dark);
}

.arch--dark .arch-label {
  color: var(--blue-300);
}

.arch--dark .arch-label small {
  color: rgba(196, 220, 246, 0.6);
}

.arch--dark .arch-nodes span {
  background: rgba(143, 188, 255, 0.06);
  border-color: var(--line-dark);
  color: rgba(214, 231, 250, 0.85);
}

.arch-note {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.arch-note::before {
  content: "";
  flex: none;
  width: 2px;
  background: var(--accent);
  opacity: 0.4;
}

/* ---------- 24. Integration strip / logos ---------- */
.logo-strip {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.logo-strip span {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(246, 249, 255, 0.6);
}

.section--dark .logo-strip {
  border-top-color: var(--line-dark);
}

.section--dark .logo-strip span {
  border-color: var(--line-dark);
  color: rgba(196, 220, 246, 0.7);
  background: rgba(143, 188, 255, 0.05);
}

/* ---------- 25. FAQ ---------- */
.faq {
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color 0.3s;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  color: var(--accent);
}

.faq summary::after {
  content: "";
  flex: none;
  width: 12px;
  height: 12px;
  background-image: linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent));
  background-size: 12px 1.5px, 1.5px 12px;
  background-position: center, center;
  background-repeat: no-repeat;
  transition: transform 0.4s var(--ease);
}

.faq details[open] summary::after {
  transform: rotate(135deg);
}

.faq .faq-a {
  padding: 0 0 24px;
  max-width: min(78ch, 100%);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(26px, 4vw, 64px);
  align-items: start;
}

/* ---------- 26. Contact ---------- */
.contact {
  position: relative;
  background: var(--ink-900);
  color: #e9f2fd;
  padding: var(--section-y) 0;
  overflow: hidden;
  isolation: isolate;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(760px 420px at 84% 10%, rgba(22, 103, 255, 0.3), transparent 64%),
    radial-gradient(600px 400px at 6% 96%, rgba(108, 195, 255, 0.14), transparent 60%);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 78px);
  align-items: start;
}

.contact-copy h2 {
  margin-top: 20px;
  font-size: clamp(28px, 3.5vw, 44px);
  color: #fff;
}

.contact-copy > p {
  margin-top: 18px;
  max-width: min(46ch, 100%);
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(206, 227, 250, 0.74);
}

.contact-list {
  margin-top: 32px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-dark);
}

.contact-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 13.5px;
}

.contact-list b {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(143, 188, 255, 0.66);
}

.contact-list span,
.contact-list a {
  color: rgba(226, 240, 255, 0.9);
}

.contact-list a:hover {
  color: #7ee8ff;
}

.form {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid rgba(143, 188, 255, 0.2);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(10, 36, 56, 0.8), rgba(4, 16, 28, 0.72));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.form-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
  margin-bottom: 20px;
}

.form-head strong {
  font-size: 15px;
  color: #fff;
  font-weight: 500;
}

.form-head span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(143, 188, 255, 0.6);
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.field label {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(178, 206, 240, 0.72);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(143, 188, 255, 0.2);
  border-radius: 7px;
  background: rgba(4, 14, 24, 0.6);
  color: #eaf4ff;
  font-family: var(--font-sans);
  font-size: 13.5px;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.field textarea {
  resize: vertical;
  min-height: 88px;
  line-height: 1.7;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(150, 180, 214, 0.45);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(108, 195, 255, 0.6);
  background: rgba(6, 20, 34, 0.85);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.field select option {
  background: #0a2438;
  color: #eaf4ff;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-foot {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.form-note {
  font-size: 11.5px;
  color: rgba(150, 180, 214, 0.55);
  line-height: 1.6;
}

.form-msg {
  display: none;
  margin-top: 14px;
  padding: 10px 13px;
  border: 1px solid rgba(110, 240, 190, 0.35);
  border-radius: 7px;
  background: rgba(30, 160, 120, 0.12);
  font-size: 12.5px;
  color: #b7f5dc;
}

.form-msg.is-visible {
  display: block;
}

/* ---------- 27. Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

html:not(.js) [data-reveal] {
  opacity: 1;
  transform: none;
}

.hero [data-reveal] {
  transform: translateY(26px);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 28. Responsive ---------- */
@media (max-width: 1120px) {
  .hero-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 12px;
  }
  .hero-facts li + li::before {
    display: none;
  }
  .hero-facts li::before {
    content: "";
    flex: none;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--blue-400);
    margin-right: 7px;
    opacity: 0.85;
  }
  .pc-ghost {
    display: none;
  }
  .section-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .section-head .section-sub {
    justify-self: start;
  }
  .cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .adv-item {
    grid-template-columns: 68px minmax(0, 1fr);
  }
  .adv-points {
    grid-column: 2;
    margin-top: 18px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 40px;
  }
}

@media (max-width: 960px) {
  .nav,
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .header-bar {
    gap: 14px;
  }
  .site-header.nav-open {
    background: rgba(4, 17, 29, 0.97);
    backdrop-filter: blur(18px);
    border-bottom-color: rgba(143, 188, 255, 0.14);
  }
  .site-header.nav-open .nav {
    display: flex;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    background: rgba(4, 17, 29, 0.97);
    border-bottom: 1px solid rgba(143, 188, 255, 0.14);
    backdrop-filter: blur(18px);
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }
  .site-header.nav-open .nav-link {
    padding: 14px 2px;
    border-radius: 0;
    border-bottom: 1px solid rgba(143, 188, 255, 0.1);
    font-size: 15px;
  }
  .site-header.nav-open .nav-link.is-active::after {
    display: none;
  }
  .site-header.nav-open .nav-link.is-active {
    color: var(--blue-300);
  }
  .site-header.nav-open .nav-login {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding-top: 16px;
    border-top: 1px solid rgba(143, 188, 255, 0.12);
  }
  .site-header.nav-open .nav-login .btn {
    height: 44px;
    font-size: 13px;
  }
  .hero-inner,
  .p-hero-inner,
  .overview-grid,
  .contact-grid,
  .panel-grid,
  .about-grid,
  .faq-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-visual {
    min-height: 340px;
    order: 2;
  }
  .hero-inner {
    gap: 20px;
  }
  .p-hero-visual {
    order: 2;
  }
  .p-hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
  .product-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .chain-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .chain-track::before {
    display: none;
  }
  .chain-base {
    grid-template-columns: minmax(0, 1fr);
  }
  .value-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat {
    border-top: 1px solid var(--line-dark);
  }
  .stat:nth-child(1),
  .stat:nth-child(2) {
    border-top: 0;
  }
  .stat:nth-child(odd) {
    border-left: 0;
    padding-left: 0;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .subnav-aside {
    display: none;
  }
  .arch-layer {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
}


@media (max-width: 400px) {
  .brand-logo {
    height: 24px;
  }
  .brand {
    gap: 9px;
  }
  .brand-text span {
    display: none;
  }
}
@media (max-width: 480px) {
  .login-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .login-link span {
    margin-left: auto;
  }
}

@media (max-width: 720px) {
  .cap-grid,
  .scenario-grid,
  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-title {
    font-size: clamp(32px, 8.6vw, 44px);
  }
  .hero-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 12px;
  }
  .hero-facts li {
    font-size: 10px;
  }
  .hero-facts li + li::before {
    display: none;
  }
  .hero-facts li::before {
    content: "";
    flex: none;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--blue-400);
    margin-right: 7px;
    opacity: 0.85;
  }
  .adv-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
  .adv-points {
    grid-column: auto;
  }
  .adv-num b {
    display: inline-block;
    font-size: 20px;
    margin: 0 0 0 10px;
    vertical-align: middle;
  }
  .p-hero-meta {
    grid-template-columns: minmax(0, 1fr);
  }
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-filings {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
  .ff-item {
    white-space: normal;
    flex-wrap: wrap;
  }
  .contact-list li {
    grid-template-columns: 78px minmax(0, 1fr);
  }
  .stat-num {
    font-size: 28px;
  }
  .stat-label {
    font-size: 12px;
  }
  .track-card {
    width: min(272px, 90%);
    right: 0;
    bottom: 0;
  }
  .section {
    scroll-margin-top: 80px;
  }
  body.has-subnav {
    scroll-padding-top: 132px;
  }
  .subnav-inner {
    height: 48px;
    gap: 8px;
  }
  .subnav-links a {
    padding: 6px 9px;
    font-size: 12.5px;
  }
}
