:root {
  --ink: #101828;
  --muted: #526075;
  --line: #dce3ed;
  --soft: #f5f7fa;
  --surface: #ffffff;
  --navy: #071a3d;
  --blue: #1261e8;
  --blue-soft: #eaf2ff;
  --green: #16815a;
  --green-soft: #e8f7f0;
  --amber: #a85b09;
  --amber-soft: #fff4df;
  --red: #b42318;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(16, 24, 40, 0.13);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #fff;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img, video { max-width: 100%; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(220, 227, 237, 0.92);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 72px; }
.brand img { display: block; width: 132px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 24px; color: #475467; font-size: 14px; font-weight: 700; }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.language { color: #475467; font-size: 13px; font-weight: 850; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--navy);
  border-radius: var(--radius);
  background: var(--navy);
  color: #fff;
  padding: 11px 18px;
  font-weight: 850;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(7, 26, 61, 0.18); }
.btn.primary { border-color: var(--blue); background: var(--blue); }
.btn.light { border-color: #cbd5e1; background: #fff; color: var(--ink); }
.btn.full { width: 100%; }

.hero {
  min-height: calc(100vh - 72px);
  overflow: hidden;
  background: #071a3d;
  color: #fff;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  gap: 54px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 72px 0 92px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  border: 1px solid rgba(191, 219, 254, 0.25);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.2);
  color: #dbeafe;
  padding: 7px 11px;
  font-size: 13px;
  font-weight: 850;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 999px; background: #4ade80; }
h1 { max-width: 720px; margin-bottom: 22px; font-size: clamp(43px, 5.8vw, 72px); line-height: 1.01; letter-spacing: 0; }
.hero-copy { max-width: 680px; color: #d6e0ef; font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero .btn.light { border-color: rgba(255, 255, 255, 0.27); background: rgba(255, 255, 255, 0.08); color: #fff; }
.proof-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.proof-row span {
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: #e7eef8;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 750;
}
.app-window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.31);
}
.window-bar { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); padding: 14px 16px; }
.window-title { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 850; }
.window-title img { width: 24px; height: 24px; }
.live-pill { display: inline-flex; align-items: center; gap: 7px; border-radius: 999px; background: var(--green-soft); color: #10603f; padding: 6px 9px; font-size: 11px; font-weight: 900; }
.live-pill::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: #22a06b; }
.window-body { display: grid; grid-template-columns: 150px 1fr; min-height: 440px; }
.mini-sidebar { border-right: 1px solid var(--line); background: #f8fafc; padding: 14px 10px; }
.mini-nav { display: grid; gap: 6px; }
.mini-nav span { border-radius: 6px; color: #667085; padding: 9px 10px; font-size: 11px; font-weight: 750; }
.mini-nav .active { background: var(--blue-soft); color: #174ea6; }
.workspace { padding: 16px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-bottom: 13px; }
.metric { border: 1px solid var(--line); border-radius: 7px; background: #f8fafc; padding: 12px; }
.metric b { display: block; font-size: 23px; line-height: 1; }
.metric small { display: block; margin-top: 6px; color: #667085; font-size: 10px; }
.schedule { display: grid; gap: 8px; }
.schedule-head { display: flex; align-items: center; justify-content: space-between; margin: 3px 0; font-size: 12px; }
.schedule-head strong { font-size: 13px; }
.schedule-row { display: grid; grid-template-columns: 58px 1fr auto; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 7px; padding: 10px; font-size: 11px; }
.schedule-row time { color: #175cd3; font-weight: 900; }
.schedule-row strong { display: block; font-size: 12px; }
.schedule-row small { color: #667085; }
.tag { border-radius: 999px; padding: 5px 8px; font-size: 9px; font-weight: 900; white-space: nowrap; }
.tag.green { background: var(--green-soft); color: #10603f; }
.tag.blue { background: var(--blue-soft); color: #175cd3; }
.tag.amber { background: var(--amber-soft); color: var(--amber); }
.capacity-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.capacity-item { min-height: 64px; border: 1px solid var(--line); border-radius: 7px; padding: 9px; font-size: 10px; }
.capacity-item strong { display: block; margin-top: 7px; font-size: 12px; }
.capacity-item.busy { border-color: #a7c7ff; background: var(--blue-soft); color: #174ea6; }
.capacity-item.blocked { border-color: #fed7aa; background: var(--amber-soft); color: var(--amber); }

section { padding: 84px 0; }
.soft { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--soft); }
.section-head { max-width: 780px; margin: 0 auto 42px; text-align: center; }
.kicker { display: inline-flex; margin-bottom: 11px; color: var(--blue); font-size: 12px; font-weight: 950; letter-spacing: 0.08em; text-transform: uppercase; }
h2 { margin-bottom: 14px; font-size: clamp(32px, 4.5vw, 50px); line-height: 1.08; letter-spacing: 0; }
.lead { color: var(--muted); font-size: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.problem-card, .feature-card, .faq-item, .workflow-step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
}
.problem-card .number, .feature-card .icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  border-radius: 7px;
  background: var(--blue-soft);
  color: #175cd3;
  font-size: 13px;
  font-weight: 950;
}
.problem-card h3, .feature-card h3 { margin-bottom: 8px; font-size: 20px; }
.problem-card p, .feature-card p, .workflow-step p, .faq-item p { color: var(--muted); }
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.list { display: grid; gap: 13px; margin-top: 22px; }
.list li { display: flex; gap: 11px; align-items: flex-start; color: #475467; list-style: none; }
.check {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--green-soft);
  color: #10603f;
}
.check::before { content: ""; width: 8px; height: 4px; border-left: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-1px) rotate(-45deg); }
.conversation {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
}
.conversation-head { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); padding: 15px 18px; }
.conversation-head strong { font-size: 14px; }
.conversation-body { display: grid; gap: 12px; padding: 20px; }
.message { max-width: 82%; border-radius: 8px; background: #eef2f7; color: #344054; padding: 11px 13px; font-size: 14px; }
.message.ai { justify-self: end; background: var(--blue); color: #fff; }
.conversation-result { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; border-top: 1px solid var(--line); background: #f8fafc; padding: 14px; }
.result { border: 1px solid var(--line); border-radius: 7px; background: #fff; padding: 10px; }
.result b { display: block; font-size: 12px; }
.result small { color: #667085; font-size: 10px; }
.workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; counter-reset: workflow; }
.workflow-step::before {
  counter-increment: workflow;
  content: counter(workflow);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 15px;
  border-radius: 7px;
  background: var(--navy);
  color: #fff;
  font-weight: 900;
}
.workflow-step h3 { margin-bottom: 7px; font-size: 17px; }
.demo-wrap { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: 38px; align-items: center; }
.video-shell { overflow: hidden; border-radius: 12px; background: #071a3d; box-shadow: var(--shadow); aspect-ratio: 16 / 9; }
.video-shell video { display: block; width: 100%; height: 100%; object-fit: cover; }
.comparison { overflow: hidden; border: 1px solid var(--line); border-radius: 10px; }
.comparison-row { display: grid; grid-template-columns: 1fr 1fr; }
.comparison-row > div { padding: 16px 18px; }
.comparison-row > div:first-child { border-right: 1px solid var(--line); }
.comparison-row:not(:last-child) { border-bottom: 1px solid var(--line); }
.comparison-head { background: #f8fafc; font-size: 13px; font-weight: 900; }
.comparison-row p { color: #475467; font-size: 14px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.faq-item h3 { margin-bottom: 8px; font-size: 17px; }
.cta-band { background: var(--navy); color: #fff; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; }
.cta-inner h2 { max-width: 760px; }
.cta-inner p { max-width: 700px; color: #cfdaea; font-size: 17px; }
.contact-card { display: grid; grid-template-columns: 0.84fr 1.16fr; gap: 28px; border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 30px; box-shadow: var(--shadow); }
.contact-aside { border: 1px solid var(--line); border-radius: 8px; background: #f8fafc; padding: 22px; }
.contact-aside h2 { font-size: 32px; }
.contact-aside p { color: var(--muted); }
.contact-points { display: grid; gap: 10px; margin-top: 20px; color: #475467; font-size: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
input, textarea, select { width: 100%; border: 1px solid #cbd5e1; border-radius: 8px; background: #fff; color: var(--ink); padding: 13px 14px; }
input:focus, textarea:focus, select:focus { border-color: var(--blue); outline: 3px solid rgba(18, 97, 232, 0.14); }
textarea { min-height: 132px; margin-top: 12px; resize: vertical; }
.form-row { margin-top: 12px; }
.form-status { margin-top: 11px; color: #667085; font-size: 13px; }
footer { border-top: 1px solid var(--line); background: #f8fafc; padding: 34px 0; color: #667085; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 17px; flex-wrap: wrap; }
.footer-links a { color: #344054; font-weight: 750; }
.fade { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade.show { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { opacity: 1; transform: none; transition: none; }
}
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .split, .demo-wrap, .contact-card { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; padding: 64px 0 78px; }
  .app-window { max-width: 700px; }
  .grid-3 { grid-template-columns: 1fr; }
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav { min-height: 64px; }
  .brand img { width: 112px; }
  .nav-actions .btn { display: none; }
  h1 { font-size: 42px; }
  .hero-copy { font-size: 17px; }
  .window-body { grid-template-columns: 1fr; }
  .mini-sidebar { display: none; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .capacity-grid { grid-template-columns: repeat(2, 1fr); }
  section { padding: 68px 0; }
  .workflow, .faq-grid, .form-grid { grid-template-columns: 1fr; }
  .conversation-result { grid-template-columns: 1fr; }
  .comparison-row { grid-template-columns: 1fr; }
  .comparison-row > div:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .cta-inner .btn { width: 100%; }
}
