:root {
  --blue: #0b57d0;
  --blue-2: #1a73e8;
  --blue-soft: #e8f0fe;
  --red: #d93025;
  --yellow: #f9ab00;
  --green: #188038;
  --purple: #7e57c2;
  --cyan: #00838f;
  --ink: #1f1f1f;
  --muted: #5f6368;
  --line: #dfe3eb;
  --surface: #ffffff;
  --surface-soft: #f8fafd;
  --surface-blue: #f3f7ff;
  --shadow-sm: 0 1px 2px rgba(60, 64, 67, .1), 0 1px 3px 1px rgba(60, 64, 67, .08);
  --shadow-md: 0 4px 12px rgba(60, 64, 67, .12), 0 2px 6px rgba(60, 64, 67, .08);
  --shadow-lg: 0 20px 55px rgba(44, 62, 100, .16), 0 4px 14px rgba(44, 62, 100, .08);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --container: 1180px;
  --font: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

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

button, input, textarea, select { font: inherit; }

button { cursor: pointer; }

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

img { max-width: 100%; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 999;
  padding: 10px 16px;
  color: #fff;
  background: var(--blue);
  border-radius: 999px;
  transition: top .2s ease;
}

.skip-link:focus { top: 16px; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section { padding: 110px 0; }

.section-soft {
  background:
    radial-gradient(circle at 8% 8%, rgba(26, 115, 232, .08), transparent 27%),
    var(--surface-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(255, 255, 255, .82);
  border-bottom: 1px solid rgba(223, 227, 235, .7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(calc(100% - 40px), var(--container));
  min-height: 58px;
  margin: 0 auto;
  padding: 0 8px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(218, 220, 224, .9);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: .02em;
}

.brand-mark {
  display: grid;
  width: 31px;
  height: 31px;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  padding: 3px;
  transform: rotate(45deg);
}

.brand-dot {
  display: block;
  border-radius: 50% 50% 45% 50%;
}

.brand-dot-blue { background: #4285f4; }
.brand-dot-red { background: #ea4335; }
.brand-dot-yellow { background: #fbbc04; }
.brand-dot-green { background: #34a853; }

.brand-text { font-size: 17px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 15px;
  color: #3c4043;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--blue);
  background: var(--blue-soft);
}

.site-nav .nav-cta {
  margin-left: 4px;
  color: #fff;
  background: var(--blue);
  padding-inline: 20px;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: #fff;
  background: #0842a0;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  border-radius: 50%;
}

.menu-toggle:hover { background: var(--surface-soft); }

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px auto;
  background: #3c4043;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 90px;
  min-height: 760px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(248, 250, 253, .5), rgba(255, 255, 255, .9)),
    linear-gradient(120deg, #fff 0%, #f5f9ff 60%, #eef5ff 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .92));
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: .7;
}

.hero-orb-one {
  width: 420px;
  height: 420px;
  right: -100px;
  top: -90px;
  background: radial-gradient(circle at 40% 40%, rgba(66, 133, 244, .18), rgba(66, 133, 244, 0) 70%);
}

.hero-orb-two {
  width: 320px;
  height: 320px;
  left: -150px;
  bottom: -80px;
  background: radial-gradient(circle at 60% 40%, rgba(52, 168, 83, .11), rgba(52, 168, 83, 0) 70%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 72px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
}

.eyebrow {
  padding: 8px 13px;
  background: rgba(232, 240, 254, .82);
  border: 1px solid rgba(66, 133, 244, .15);
  border-radius: 999px;
  letter-spacing: .03em;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(24, 128, 56, .11);
}

.hero h1 {
  margin: 24px 0 22px;
  font-size: clamp(44px, 5.2vw, 72px);
  line-height: 1.12;
  letter-spacing: -.045em;
  font-weight: 750;
}

.hero h1 span {
  color: var(--blue);
  background: linear-gradient(100deg, var(--blue) 0%, #3f76d3 58%, #188038 130%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 50px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}

.button svg { width: 20px; height: 20px; }

.button:hover { transform: translateY(-2px); }

.button-primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 8px 24px rgba(11, 87, 208, .24);
}

.button-primary:hover {
  background: #0842a0;
  box-shadow: 0 12px 30px rgba(11, 87, 208, .28);
}

.button-secondary {
  color: var(--blue);
  background: rgba(255, 255, 255, .9);
  border-color: #cbd7ec;
}

.button-secondary:hover {
  background: #fff;
  border-color: var(--blue);
}

.hero-notes {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 13px;
}

.hero-notes span { display: inline-flex; align-items: center; gap: 6px; }
.hero-notes i { color: var(--green); font-style: normal; font-weight: 800; }

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.visual-card {
  position: relative;
  width: min(100%, 520px);
  background: rgba(255, 255, 255, .93);
  border: 1px solid rgba(218, 220, 224, .9);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}

.main-panel {
  padding: 24px;
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
}

.panel-top,
.workflow-head,
.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title { font-size: 14px; font-weight: 700; }

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  color: var(--green);
  background: #e6f4ea;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.live-pill i {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 26px 0 18px;
}

.metric-card {
  min-height: 160px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--surface-soft);
  border: 1px solid #eef0f4;
  border-radius: 20px;
}

.metric-card:first-child {
  background: linear-gradient(145deg, #eef5ff, #f8fbff);
}

.metric-card:nth-child(2) {
  background: linear-gradient(145deg, #f1f8f3, #fbfdfb);
}

.metric-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: #fff;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  font-size: 19px;
  font-weight: 800;
}

.metric-icon.icon-device { color: var(--green); }
.metric-icon svg { width: 25px; height: 25px; }

.metric-card strong { font-size: 17px; }
.metric-card small { margin-top: 4px; color: var(--muted); font-size: 12px; }

.workflow {
  padding: 19px 20px 17px;
  background: #fff;
  border: 1px solid #e7eaf0;
  border-radius: 18px;
}

.workflow-head { font-size: 13px; font-weight: 700; }
.progress-text { color: var(--blue); }

.progress-track {
  height: 7px;
  margin: 14px 0 11px;
  overflow: hidden;
  background: #e8eaed;
  border-radius: 999px;
}

.progress-track span {
  display: block;
  width: 72%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), #5b8def);
  border-radius: inherit;
  animation: load 1.4s ease-out both;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: #9aa0a6;
  font-size: 11px;
  text-align: center;
}

.workflow-steps .done { color: var(--green); }
.workflow-steps .active { color: var(--blue); font-weight: 800; }

.float-card {
  position: absolute;
  z-index: 3;
  background: rgba(255, 255, 255, .96);
  border: 1px solid rgba(218, 220, 224, .95);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}

.float-code {
  width: 160px;
  left: -14px;
  bottom: 34px;
  padding: 20px;
  transform: rotate(-5deg);
}

.code-line {
  height: 7px;
  margin: 9px 0;
  background: #d2e3fc;
  border-radius: 99px;
}
.w-70 { width: 70%; }
.w-90 { width: 90%; background: #c8e6c9; }
.w-55 { width: 55%; background: #fdd9d7; }

.float-chip {
  width: 104px;
  height: 104px;
  right: -2px;
  top: 42px;
  display: grid;
  place-items: center;
  color: var(--blue);
  transform: rotate(6deg);
}

.float-chip svg { width: 57px; height: 57px; }

.trust-strip {
  position: relative;
  z-index: 3;
  padding: 27px 0;
  background: #fff;
  border-top: 1px solid #eef0f4;
  border-bottom: 1px solid #eef0f4;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-grid div {
  padding: 0 28px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #e8eaed;
}

.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border: 0; }

.trust-grid strong {
  font-size: 20px;
  letter-spacing: .08em;
}

.trust-grid span { color: var(--muted); font-size: 13px; }

.section-heading {
  margin-bottom: 44px;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 72px;
  align-items: end;
}

.section-heading.compact { margin-bottom: 50px; }

.section-heading h2,
.solution-copy h2,
.about-copy h2,
.contact-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.25;
  letter-spacing: -.035em;
}

.section-heading p,
.solution-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.card-grid { display: grid; gap: 20px; }

.services-grid { grid-template-columns: repeat(3, 1fr); }

.service-card {
  min-height: 330px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e5e8ef;
  border-radius: 24px;
  box-shadow: 0 1px 2px rgba(60, 64, 67, .04);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: #ced8e8;
  box-shadow: 0 18px 40px rgba(60, 64, 67, .11);
}

.service-icon {
  width: 55px;
  height: 55px;
  margin-bottom: 34px;
  display: grid;
  place-items: center;
  border-radius: 17px;
}

.service-icon svg { width: 27px; height: 27px; }
.service-icon.blue { color: var(--blue); background: var(--blue-soft); }
.service-icon.red { color: var(--red); background: #fce8e6; }
.service-icon.yellow { color: #a15c00; background: #fef7e0; }
.service-icon.green { color: var(--green); background: #e6f4ea; }
.service-icon.purple { color: var(--purple); background: #f0eafb; }
.service-icon.cyan { color: var(--cyan); background: #e0f3f5; }

.service-card h3 {
  margin: 0 0 11px;
  font-size: 21px;
  letter-spacing: -.02em;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.tag-row {
  margin-top: auto;
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag-row span {
  padding: 5px 9px;
  color: #5f6368;
  background: var(--surface-soft);
  border: 1px solid #e8eaed;
  border-radius: 999px;
  font-size: 11px;
}

.solutions-layout {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 80px;
  align-items: center;
}

.solution-copy > p {
  margin-top: 22px;
  max-width: 550px;
}

.solution-list {
  margin-top: 40px;
  display: grid;
  gap: 22px;
}

.solution-list > div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}

.number-badge {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 13px;
  font-size: 12px;
  font-weight: 800;
}

.solution-list strong { display: block; font-size: 17px; }
.solution-list small { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; line-height: 1.7; }

.solution-board {
  padding: 24px;
  background: #fff;
  border: 1px solid #e2e7f0;
  border-radius: 28px;
  box-shadow: var(--shadow-md);
}

.board-head {
  padding: 4px 2px 20px;
}

.board-head div { display: flex; flex-direction: column; }
.mini-label { color: var(--muted); font-size: 11px; }
.board-head strong { margin-top: 2px; font-size: 15px; }

.board-chip {
  padding: 6px 10px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.board-canvas {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background:
    linear-gradient(rgba(223, 227, 235, .36) 1px, transparent 1px),
    linear-gradient(90deg, rgba(223, 227, 235, .36) 1px, transparent 1px),
    #fbfcff;
  background-size: 28px 28px;
  border: 1px solid #e8ebf1;
  border-radius: 22px;
}

.node {
  position: absolute;
  z-index: 2;
  min-width: 108px;
  padding: 13px 16px;
  color: #3c4043;
  background: #fff;
  border: 1px solid #dfe3eb;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.node-main {
  left: 50%;
  top: 50%;
  min-width: 130px;
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
  transform: translate(-50%, -50%);
  box-shadow: 0 10px 26px rgba(11, 87, 208, .27);
}

.node-a { left: 7%; top: 13%; color: var(--blue); }
.node-b { right: 7%; top: 14%; color: var(--red); }
.node-c { left: 7%; bottom: 14%; color: var(--green); }
.node-d { right: 7%; bottom: 13%; color: #795548; }
.node-e { left: 50%; top: 8%; color: var(--purple); transform: translateX(-50%); }

.connector {
  position: absolute;
  z-index: 1;
  width: 1px;
  height: 310px;
  left: 50%;
  top: 50%;
  background: #c6d4ea;
  transform-origin: center;
}

.c1 { transform: translate(-50%, -50%) rotate(0deg); }
.c2 { transform: translate(-50%, -50%) rotate(56deg); }
.c3 { transform: translate(-50%, -50%) rotate(-56deg); }

.process-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-grid::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 45px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #c9d6ec 10%, #c9d6ec 90%, transparent);
}

.process-item {
  position: relative;
  z-index: 2;
  padding: 0 20px;
  text-align: center;
}

.process-no {
  position: absolute;
  right: 24px;
  top: 5px;
  color: #cbd5e5;
  font-size: 12px;
  font-weight: 800;
}

.process-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: #fff;
  border: 1px solid #dfe5ef;
  border-radius: 26px;
  box-shadow: var(--shadow-sm);
}

.process-icon svg { width: 34px; height: 34px; }
.process-item h3 { margin: 0 0 8px; font-size: 19px; }
.process-item p { margin: 0; color: var(--muted); font-size: 13px; }

.about-section { padding-top: 40px; }

.about-card {
  padding: 60px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 70px;
  align-items: center;
  background:
    radial-gradient(circle at 80% 10%, rgba(66, 133, 244, .11), transparent 28%),
    #f8fafd;
  border: 1px solid #e2e7f0;
  border-radius: 32px;
}

.about-copy p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.about-copy .privacy-note {
  padding: 13px 16px;
  color: #4b5563;
  background: rgba(255, 255, 255, .72);
  border-left: 3px solid var(--blue);
  border-radius: 6px 12px 12px 6px;
  font-size: 12px;
}

.about-values { display: grid; gap: 14px; }

.about-values > div {
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 36px 1fr;
  column-gap: 12px;
  align-items: center;
  background: rgba(255, 255, 255, .88);
  border: 1px solid #e3e8f0;
  border-radius: 18px;
}

.about-values span {
  grid-row: 1 / 3;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 11px;
  font-size: 11px;
  font-weight: 800;
}

.about-values strong { font-size: 15px; }
.about-values small { color: var(--muted); font-size: 12px; }

.contact-section { padding-bottom: 70px; }

.contact-card {
  padding: 65px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 70px;
  color: #fff;
  background:
    radial-gradient(circle at 0% 100%, rgba(92, 149, 255, .26), transparent 38%),
    linear-gradient(125deg, #0b57d0 0%, #174ea6 70%, #0c3b7f 100%);
  border-radius: 34px;
  box-shadow: 0 24px 70px rgba(11, 87, 208, .24);
}

.section-kicker.light { color: #d2e3fc; }

.contact-copy h2 {
  margin-top: 12px;
  color: #fff;
}

.contact-copy p {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .77);
}

.contact-points {
  margin-top: 34px;
  display: grid;
  gap: 12px;
}

.contact-points span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .9);
  font-size: 14px;
}

.contact-points i {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: #0b57d0;
  background: #fff;
  border-radius: 50%;
  font-style: normal;
  font-weight: 900;
}

.contact-form {
  padding: 26px;
  color: var(--ink);
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .12);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.contact-form label {
  margin-bottom: 14px;
  display: grid;
  gap: 7px;
}

.contact-form label > span {
  color: #3c4043;
  font-size: 12px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  color: var(--ink);
  background: #f8fafd;
  border: 1px solid #dfe3eb;
  border-radius: 12px;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.contact-form input,
.contact-form select { height: 46px; padding: 0 13px; }

.contact-form textarea {
  min-height: 108px;
  padding: 12px 13px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  background: #fff;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(11, 87, 208, .12);
}

.contact-form [aria-invalid="true"] { border-color: var(--red); }

.button-form {
  width: 100%;
  color: #fff;
  background: var(--blue);
  border: 0;
}

.button-form:hover { background: #0842a0; }

.form-disclaimer {
  margin: 12px 4px 0;
  color: #80868b;
  font-size: 10px;
  line-height: 1.6;
  text-align: center;
}

.site-footer {
  padding: 44px 0 24px;
  background: #f8fafd;
  border-top: 1px solid #e8eaed;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand { margin-bottom: 8px; }
.footer-grid p { margin: 0; color: var(--muted); font-size: 12px; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}

.footer-links a { color: var(--muted); font-size: 13px; }
.footer-links a:hover { color: var(--blue); }

.footer-bottom {
  margin-top: 32px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #80868b;
  border-top: 1px solid #e5e8ee;
  font-size: 11px;
}

.toast {
  position: fixed;
  z-index: 300;
  left: 50%;
  bottom: 28px;
  min-width: min(460px, calc(100% - 32px));
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  background: #202124;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
  transition: opacity .24s ease, transform .24s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast svg { width: 22px; height: 22px; color: #81c995; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(24, 128, 56, .25); }
  50% { box-shadow: 0 0 0 6px rgba(24, 128, 56, 0); }
}

@keyframes load {
  from { width: 0; }
  to { width: 72%; }
}

@media (max-width: 980px) {
  .section { padding: 88px 0; }
  .hero { min-height: auto; padding: 80px 0 95px; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .hero-notes { justify-content: center; }
  .hero-visual { min-height: 480px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .solutions-layout { grid-template-columns: 1fr; gap: 50px; }
  .solution-copy { max-width: 700px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 50px 22px; }
  .process-grid::before { display: none; }
  .about-card { grid-template-columns: 1fr; gap: 40px; padding: 48px; }
  .contact-card { grid-template-columns: 1fr; gap: 40px; padding: 48px; }
}

@media (max-width: 760px) {
  .container, .nav-shell { width: min(calc(100% - 24px), var(--container)); }
  .site-header { padding: 9px 0; }
  .nav-shell { min-height: 54px; padding-left: 14px; }
  .brand-text { font-size: 15px; }
  .menu-toggle { display: block; }

  .site-nav {
    position: fixed;
    left: 12px;
    right: 12px;
    top: 78px;
    padding: 14px;
    display: grid;
    gap: 4px;
    background: rgba(255, 255, 255, .98);
    border: 1px solid #dfe3eb;
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px) scale(.98);
    transition: opacity .2s ease, transform .2s ease;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav a { padding: 12px 15px; }
  .site-nav .nav-cta { margin: 4px 0 0; text-align: center; }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-6px) rotate(-45deg); }

  .hero { padding-top: 64px; }
  .hero h1 { font-size: clamp(39px, 12vw, 56px); }
  .hero-lead { font-size: 16px; }
  .hero-visual { min-height: 430px; }
  .main-panel { padding: 18px; transform: none; }
  .float-code { left: -5px; bottom: 8px; }
  .float-chip { right: -2px; top: 20px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .trust-grid div { padding: 0 20px; }
  .trust-grid div:nth-child(2) { border-right: 0; }
  .trust-grid div:nth-child(3) { padding-left: 0; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 300px; }
  .section-heading h2, .solution-copy h2, .about-copy h2, .contact-copy h2 { font-size: 34px; }
  .process-grid { grid-template-columns: 1fr; gap: 38px; }
  .process-item { max-width: 420px; margin: 0 auto; }
  .about-card { padding: 34px 24px; border-radius: 26px; }
  .contact-card { padding: 34px 20px; border-radius: 28px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid, .footer-bottom { flex-direction: column; }
  .footer-links { margin-top: 12px; }
}

@media (max-width: 480px) {
  .section { padding: 72px 0; }
  .hero h1 { font-size: 39px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .metric-grid { gap: 10px; }
  .metric-card { min-height: 142px; padding: 15px; }
  .metric-icon { width: 45px; height: 45px; margin-bottom: 18px; }
  .metric-card strong { font-size: 15px; }
  .float-code { display: none; }
  .float-chip { width: 82px; height: 82px; }
  .float-chip svg { width: 44px; height: 44px; }
  .board-canvas { min-height: 390px; }
  .node { min-width: 92px; padding: 11px 10px; font-size: 11px; }
  .node-main { min-width: 112px; }
  .contact-form { padding: 20px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 3px solid rgba(11, 87, 208, .3);
  outline-offset: 3px;
}