:root {
  --bg: #020817;
  --bg-2: #061126;
  --panel: rgba(6, 22, 48, .68);
  --panel-2: rgba(11, 39, 86, .52);
  --line: rgba(119, 220, 255, .22);
  --line-strong: rgba(65, 216, 255, .46);
  --text: #EAF8FF;
  --muted: #9DB8D7;
  --muted-2: #6C86A8;
  --blue: #185EEF;
  --cyan: #23D3EE;
  --orange: #FF8A1D;
  --gold: #FFE36D;
  --danger: #FF5A6A;
  --radius: 26px;
  --max: 1180px;
  --shadow: 0 30px 90px rgba(0, 0, 0, .36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 12%, rgba(255, 138, 29, .18), transparent 33%),
    radial-gradient(circle at 18% 20%, rgba(35, 211, 238, .16), transparent 36%),
    linear-gradient(180deg, #020817 0%, #051126 43%, #020817 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(65,216,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(65,216,255,.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.78), transparent 86%);
  z-index: -3;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
::selection { background: rgba(35,211,238,.25); color: white; }

#fluid-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100vw;
  height: 100vh;
  opacity: .72;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .13;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

.shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 96px 0; position: relative; }
.section-tight { padding: 68px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #A7F4FF;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 12px;
  padding: 8px 12px;
  border: 1px solid rgba(65,216,255,.18);
  background: rgba(5, 22, 48, .45);
  border-radius: 999px;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 22px var(--orange);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(44px, 7vw, 88px);
  line-height: .98;
  letter-spacing: -.07em;
  margin: 22px 0 22px;
}
h2 {
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -.045em;
  margin: 18px 0 18px;
}
h3 { font-size: 24px; line-height: 1.25; margin-bottom: 12px; }
p { color: var(--muted); line-height: 1.78; }
.lead { font-size: 18px; color: #C4D7EE; max-width: 850px; }
.gradient-text {
  background: linear-gradient(95deg, #EAF8FF 0%, #69E9FF 38%, #FFB351 78%, #FFE36D 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.muted { color: var(--muted); }
.small { font-size: 13px; color: var(--muted-2); }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(2, 8, 23, .72);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(119,220,255,.11);
}
.nav-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 190px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  box-shadow: 0 0 32px rgba(35,211,238,.25);
  padding: 2px;
}
.brand-name { font-weight: 850; letter-spacing: -.03em; }
.brand-sub { font-size: 11px; color: var(--muted-2); margin-top: 2px; letter-spacing: .08em; text-transform: uppercase; }
.nav-links { display: flex; gap: 20px; align-items: center; color: #BFD4EC; font-size: 14px; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a.active { color: white; }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid rgba(119,220,255,.2);
  color: white;
  background: rgba(255,255,255,.04);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(65,216,255,.5); background: rgba(255,255,255,.075); }
.btn-primary {
  border: 0;
  background: linear-gradient(135deg, #185EEF 0%, #23D3EE 56%, #FF8A1D 132%);
  color: white;
  box-shadow: 0 16px 46px rgba(24, 94, 239, .35);
}
.btn-orange {
  border: 0;
  background: linear-gradient(135deg, #FF7A1A, #FFE36D);
  color: #061126;
  font-weight: 800;
  box-shadow: 0 16px 46px rgba(255, 138, 29, .28);
}
.btn-link { color: #A7F4FF; display: inline-flex; align-items: center; gap: 8px; font-weight: 750; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.hero {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  padding: 82px 0 64px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 42px;
}
.hero-copy { position: relative; z-index: 2; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.badge {
  color: #CFE9FF;
  font-size: 13px;
  border: 1px solid rgba(119,220,255,.17);
  background: rgba(6, 22, 48, .46);
  border-radius: 999px;
  padding: 9px 12px;
}
.hero-visual {
  position: relative;
  height: min(680px, 72vh);
  min-height: 520px;
}
.hero-orb {
  position: absolute;
  inset: 0;
  background: url("../images/fluid-hero-orb.svg") center/cover no-repeat;
  border-radius: 44px;
  opacity: .72;
  transform: perspective(900px) rotateY(-7deg) rotateX(4deg);
  filter: saturate(1.12);
  animation: floatOrb 9s ease-in-out infinite;
}
.hero-logo {
  position: absolute;
  width: 65%;
  right: 6%;
  top: 15%;
  filter: drop-shadow(0 28px 85px rgba(24, 94, 239, .55));
  animation: logoDrift 8s ease-in-out infinite;
}
.hero-panel {
  position: absolute;
  left: 2%;
  bottom: 4%;
  width: 66%;
  padding: 18px;
  border-radius: 24px;
  background: rgba(5, 17, 38, .62);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(119,220,255,.18);
  box-shadow: var(--shadow);
}
.hero-panel .metric-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.metric {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.08);
}
.metric strong { display: block; color: white; font-size: 22px; }
.metric span { display: block; color: var(--muted-2); font-size: 12px; margin-top: 4px; }
.scan-line {
  position: absolute;
  left: 5%;
  right: 5%;
  top: 40%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #69E9FF, #FFB351, transparent);
  box-shadow: 0 0 24px #23D3EE;
  animation: scan 4.8s ease-in-out infinite;
}

@keyframes floatOrb {
  0%,100% { transform: perspective(900px) rotateY(-7deg) rotateX(4deg) translateY(0); }
  50% { transform: perspective(900px) rotateY(-3deg) rotateX(7deg) translateY(-18px); }
}
@keyframes logoDrift { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(-14px,18px,0) scale(1.02); } }
@keyframes scan { 0%,100% { transform: translateY(-130px); opacity: .18; } 50% { transform: translateY(150px); opacity: .85; } }

.glass {
  background: linear-gradient(145deg, rgba(255,255,255,.095), rgba(255,255,255,.035));
  border: 1px solid rgba(119,220,255,.16);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.12);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 36px;
}
.section-head p { max-width: 580px; margin-bottom: 0; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative;
  padding: 26px;
  overflow: hidden;
  min-height: 300px;
  isolation: isolate;
}
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 30%), rgba(35,211,238,.22), transparent 30%),
              linear-gradient(135deg, rgba(35,211,238,.16), transparent 42%, rgba(255,138,29,.12));
  opacity: 0;
  transition: opacity .25s ease;
  z-index: -1;
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 54px; height: 54px;
  border-radius: 18px;
  display: grid; place-items: center;
  background: rgba(35,211,238,.11);
  border: 1px solid rgba(35,211,238,.2);
  margin-bottom: 20px;
  font-size: 25px;
}
.card ul, .feature-list, .check-list { margin: 18px 0 0; padding: 0; list-style: none; }
.card li, .feature-list li, .check-list li {
  color: #BFD4EC;
  margin: 11px 0;
  display: flex;
  gap: 9px;
  align-items: flex-start;
}
.card li::before, .feature-list li::before, .check-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--orange));
  box-shadow: 0 0 14px rgba(35,211,238,.45);
  flex: 0 0 auto;
}

.split {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 34px;
  align-items: center;
}
.visual-frame {
  position: relative;
  padding: 18px;
}
.visual-frame::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35,211,238,.19), transparent 60%);
  filter: blur(26px);
  z-index: -1;
}
.cockpit {
  width: 100%;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(119,220,255,.14);
  box-shadow: var(--shadow);
}
.module-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px; }
.module {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(119,220,255,.12);
}
.module strong { display: block; margin-bottom: 5px; }
.module span { color: var(--muted-2); font-size: 13px; line-height: 1.6; }

.flow-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  overflow: hidden;
  padding: 10px;
}
.flow-wrap img { width: min(980px, 100%); filter: drop-shadow(0 35px 80px rgba(24,94,239,.2)); }
.flow-cards {
  margin-top: -10px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.flow-card {
  padding: 16px 13px;
  border-radius: 18px;
  background: rgba(6, 22, 48, .54);
  border: 1px solid rgba(119,220,255,.12);
}
.flow-card b { display: block; color: white; margin-bottom: 6px; }
.flow-card span { color: var(--muted-2); font-size: 13px; line-height: 1.6; }

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 18px;
  padding: 22px;
}
.timeline-num {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(35,211,238,.16), rgba(255,138,29,.16));
  border: 1px solid rgba(119,220,255,.2);
  font-weight: 900;
  color: #EAF8FF;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  padding: 10px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(119,220,255,.12);
  color: #CFE9FF;
  font-size: 13px;
}
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.kpi {
  padding: 22px 18px;
  text-align: center;
}
.kpi b { display: block; font-size: 30px; color: white; letter-spacing: -.04em; }
.kpi span { font-size: 13px; color: var(--muted-2); }

.page-hero {
  padding: 92px 0 58px;
  border-bottom: 1px solid rgba(119,220,255,.1);
  background:
    radial-gradient(circle at 70% 20%, rgba(255,138,29,.14), transparent 30%),
    radial-gradient(circle at 20% 30%, rgba(35,211,238,.12), transparent 34%);
}
.page-hero h1 { font-size: clamp(42px, 6vw, 76px); max-width: 920px; }
.page-hero .lead { max-width: 860px; }

.form-box {
  padding: 28px;
}
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; color: #CFE9FF; font-size: 13px; margin: 0 0 8px; }
input, select, textarea {
  width: 100%;
  color: white;
  background: rgba(1, 10, 25, .58);
  border: 1px solid rgba(119,220,255,.16);
  outline: 0;
  border-radius: 16px;
  padding: 13px 14px;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: rgba(35,211,238,.55); box-shadow: 0 0 0 4px rgba(35,211,238,.08); }
.form-status { margin-top: 14px; min-height: 22px; color: #A7F4FF; }
.contact-list { display: grid; gap: 14px; margin-top: 20px; }
.contact-item { padding: 18px; }

.footer {
  padding: 54px 0 32px;
  border-top: 1px solid rgba(119,220,255,.12);
  background: rgba(0,0,0,.18);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr 1fr;
  gap: 28px;
}
.footer a { color: #BFD4EC; display: block; margin: 10px 0; font-size: 14px; }
.footer a:hover { color: white; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(119,220,255,.08);
  color: var(--muted-2);
  font-size: 13px;
}

.reveal { opacity: 0; transform: translateY(28px) scale(.985); transition: opacity .72s ease, transform .72s cubic-bezier(.18,.9,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.float-path { animation: nonlinearFloat 8s cubic-bezier(.45,0,.25,1) infinite; }
@keyframes nonlinearFloat {
  0%,100% { transform: translate3d(0,0,0) rotate(0deg); }
  23% { transform: translate3d(11px,-16px,0) rotate(1.5deg); }
  58% { transform: translate3d(-18px,9px,0) rotate(-1.2deg); }
  79% { transform: translate3d(8px,17px,0) rotate(.7deg); }
}

@media (max-width: 980px) {
  .nav-links { display: none; position: fixed; top: 76px; left: 20px; right: 20px; flex-direction: column; align-items: flex-start; padding: 20px; border-radius: 22px; background: rgba(2,8,23,.94); border: 1px solid rgba(119,220,255,.14); }
  .nav-links.open { display: flex; }
  .menu-btn { display: inline-flex; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .hero-visual { min-height: 460px; height: 520px; }
  .cards-3, .grid-4, .kpi-strip { grid-template-columns: repeat(2, 1fr); }
  .flow-cards { grid-template-columns: repeat(2, 1fr); margin-top: 18px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .section-head { display: block; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, var(--max)); }
  .section { padding: 68px 0; }
  .nav-inner { height: 68px; }
  .nav-links { top: 68px; }
  .brand-sub { display: none; }
  .nav-cta .btn-primary { display: none; }
  h1 { letter-spacing: -.055em; }
  .hero-visual { min-height: 390px; height: 420px; }
  .hero-logo { width: 78%; right: -1%; top: 12%; }
  .hero-panel { width: 92%; left: 4%; }
  .hero-panel .metric-row { grid-template-columns: 1fr; }
  .cards-3, .grid-2, .grid-4, .kpi-strip, .module-grid, .form-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; }
  .footer-grid, .footer-bottom { display: block; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
}
