:root {
  --navy-950: #041025;
  --navy-900: #071b3a;
  --navy-800: #0b2853;
  --navy-700: #10396f;
  --blue-500: #1d77ff;
  --blue-300: #6ab7ff;
  --gold: #d5a14a;
  --slate-900: #101927;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-200: #dbe6f3;
  --slate-100: #eff5fb;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-line: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 80px rgba(2, 8, 23, 0.32);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1160px;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--slate-900);
  background: #f7fbff;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--white);
  color: var(--navy-900);
  padding: .6rem .9rem;
  border-radius: 999px;
  z-index: 1000;
}
.skip-link:focus { top: 1rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}
.section-pad { padding: 90px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  height: var(--header-height);
  background: rgba(4, 16, 37, .88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.nav-wrap {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { position: relative; display: inline-flex; align-items: center; min-width: 220px; padding: 0; background: transparent; border: 0; box-shadow: none; overflow: visible; }
.brand-logo { position: relative; z-index: 1; width: 248px; max-height: 70px; object-fit: contain; filter: brightness(1.18) saturate(1.12) contrast(1.10) drop-shadow(0 0 1px rgba(255,255,255,.90)) drop-shadow(0 0 3px rgba(106,183,255,.50)) drop-shadow(0 8px 20px rgba(0,0,0,.26)); }
.site-nav { display: flex; align-items: center; gap: 7px; color: rgba(255,255,255,.82); font-size: .94rem; }
.site-nav a { padding: .62rem .84rem; border-radius: 999px; transition: background .2s ease, color .2s ease; }
.site-nav a:hover { background: rgba(255,255,255,.10); color: var(--white); }
.site-nav .nav-cta { background: linear-gradient(135deg, var(--blue-500), #55b0ff); color: var(--white); box-shadow: 0 10px 22px rgba(29, 119, 255, .26); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; border-radius: 999px; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - var(--header-height));
  background: radial-gradient(circle at 80% 20%, rgba(29,119,255,.30), transparent 34%),
              radial-gradient(circle at 20% 80%, rgba(213,161,74,.20), transparent 28%),
              linear-gradient(135deg, var(--navy-950), var(--navy-900) 44%, #092b5a);
  color: var(--white);
  display: flex;
  align-items: center;
}
.hero-bg::before,
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-bg::before {
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 78%);
}
.hero-bg::after {
  background: linear-gradient(120deg, transparent 0%, rgba(106,183,255,.10) 48%, transparent 100%);
  transform: translateX(-20%);
  animation: shimmer 8s ease-in-out infinite;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.04fr .86fr;
  gap: 58px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: .78rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: .16em;
}
h1, h2, h3 { line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2.45rem, 6vw, 5.3rem); letter-spacing: -0.06em; max-width: 920px; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); letter-spacing: -0.045em; }
h3 { font-size: 1.15rem; letter-spacing: -0.02em; }
.hero-subtitle { font-size: clamp(1.08rem, 1.6vw, 1.35rem); color: rgba(255,255,255,.82); max-width: 660px; margin: 24px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: .86rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--blue-500), #69c0ff); color: var(--white); box-shadow: 0 16px 34px rgba(29,119,255,.32); }
.btn-secondary { color: var(--white); border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.08); }
.tool-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.tool-strip span {
  color: rgba(255,255,255,.78);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: .48rem .78rem;
  font-size: .86rem;
}
.hero-panel {
  position: relative;
  min-height: 520px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.16);
  padding: 34px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(29,119,255,.18);
  filter: blur(36px);
  right: -90px;
  top: -70px;
}
.flow-card {
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.20);
  padding: 24px;
  border-radius: 24px;
  margin-bottom: 18px;
  box-shadow: 0 20px 45px rgba(0,0,0,.18);
}
.flow-card strong { display: block; font-size: 1.1rem; line-height: 1.35; }
.card-label { display: inline-block; color: var(--gold); font-weight: 900; letter-spacing: .12em; text-transform: uppercase; font-size: .72rem; margin-bottom: 10px; }
.flow-line { width: 2px; height: 42px; margin-left: 28px; background: linear-gradient(var(--blue-300), var(--gold)); opacity: .8; }
.mid-card { margin-left: 38px; }
.bottom-card { margin-left: 78px; }

.section-heading p { color: var(--slate-700); font-size: 1.05rem; margin: 18px 0 0; max-width: 680px; }
.section-heading.centered { text-align: center; max-width: 820px; margin: 0 auto 42px; }
.section-heading.centered p { margin-left: auto; margin-right: auto; }
.two-col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 58px; align-items: start; }
.problem { background: var(--white); }
.problem-list { display: grid; gap: 16px; }
.problem-list article {
  background: #f8fbff;
  border: 1px solid #e4edf8;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 4px 18px;
}
.problem-list span { grid-row: span 2; color: var(--blue-500); font-weight: 900; font-size: .94rem; }
.problem-list p { margin: 8px 0 0; color: var(--slate-700); }
.value { background: linear-gradient(180deg, #f7fbff, #edf6ff); }
.value-card {
  display: grid;
  grid-template-columns: 1fr .65fr;
  gap: 42px;
  align-items: center;
  padding: 42px;
  border-radius: var(--radius-xl);
  color: var(--white);
  background: radial-gradient(circle at 90% 20%, rgba(213,161,74,.18), transparent 30%), linear-gradient(135deg, var(--navy-900), var(--navy-700));
  box-shadow: var(--shadow);
}
.value-card p:not(.eyebrow) { color: rgba(255,255,255,.82); margin: 20px 0 0; font-size: 1.08rem; }
.value-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.value-points span { padding: 16px; border-radius: 18px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.16); font-weight: 800; }
.solutions { background: #f7fbff; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
  min-height: 250px;
  background: var(--white);
  border: 1px solid #e4edf8;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 16px 42px rgba(15, 23, 42, .06);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(29,119,255,.28); box-shadow: 0 22px 58px rgba(15, 23, 42, .10); }
.icon { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; color: var(--white); background: linear-gradient(135deg, var(--navy-800), var(--blue-500)); font-weight: 900; margin-bottom: 22px; font-size: .82rem; }
.service-card p { color: var(--slate-700); margin: 14px 0 0; }
.control { color: var(--white); background: linear-gradient(135deg, var(--navy-950), var(--navy-900)); }
.control .section-heading p { color: rgba(255,255,255,.78); }
.control-grid { display: grid; grid-template-columns: .9fr 1fr; gap: 54px; align-items: center; }
.control-panel { display: grid; gap: 14px; }
.control-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
}
.control-row span { width: 14px; height: 14px; border-radius: 50%; background: var(--gold); margin-top: 5px; flex: 0 0 14px; box-shadow: 0 0 0 6px rgba(213,161,74,.16); }
.case { background: var(--white); }
.case-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 52px; align-items: center; }
.case-copy p { color: var(--slate-700); font-size: 1.05rem; margin: 20px 0 0; }
.note { padding: 18px; border-left: 4px solid var(--gold); background: #fff8ec; border-radius: 0 16px 16px 0; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.metric-card {
  border-radius: 24px;
  padding: 24px;
  background: #f8fbff;
  border: 1px solid #e4edf8;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.metric-card.big { grid-row: span 2; background: linear-gradient(135deg, var(--navy-900), var(--blue-500)); color: var(--white); }
.metric-card strong { font-size: clamp(2.2rem, 5vw, 4.8rem); letter-spacing: -0.06em; line-height: .95; }
.metric-card span { color: inherit; opacity: .78; font-weight: 800; margin-top: 12px; }
.ai { background: linear-gradient(180deg, #f7fbff, #edf6ff); }
.ai-card { display: grid; grid-template-columns: 1fr .8fr; gap: 42px; align-items: center; background: var(--white); border: 1px solid #e4edf8; border-radius: var(--radius-xl); padding: 42px; box-shadow: 0 18px 50px rgba(15,23,42,.07); }
.ai-text p:not(.eyebrow) { color: var(--slate-700); margin: 20px 0 0; }
.chat-demo { background: var(--navy-950); border-radius: 26px; padding: 24px; display: grid; gap: 14px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.10); }
.bubble { padding: 16px 18px; border-radius: 18px; color: var(--white); max-width: 90%; }
.bubble.user { background: rgba(255,255,255,.12); justify-self: end; }
.bubble.bot { background: linear-gradient(135deg, rgba(29,119,255,.86), rgba(106,183,255,.72)); justify-self: start; }
.method { background: var(--white); }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.step { padding: 24px; border-radius: 22px; border: 1px solid #e4edf8; background: #f8fbff; }
.step span { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: var(--white); background: var(--navy-800); font-weight: 900; margin-bottom: 18px; }
.step p { color: var(--slate-700); margin: 12px 0 0; }
.contact { background: radial-gradient(circle at 15% 20%, rgba(29,119,255,.22), transparent 28%), linear-gradient(135deg, var(--navy-950), var(--navy-900)); color: var(--white); }
.contact-card { display: grid; grid-template-columns: 1fr .72fr; gap: 38px; align-items: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-xl); padding: 42px; }
.contact-card p:not(.eyebrow) { color: rgba(255,255,255,.80); margin: 18px 0 0; }
.contact-actions { display: grid; gap: 14px; }
.contact-data { font-size: .98rem; }
.site-footer { background: var(--navy-950); color: rgba(255,255,255,.72); padding: 38px 0; border-top: 1px solid rgba(255,255,255,.08); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-logo { width: 210px; filter: brightness(1.18) saturate(1.12) contrast(1.10) drop-shadow(0 0 1px rgba(255,255,255,.88)) drop-shadow(0 0 3px rgba(106,183,255,.45)) drop-shadow(0 6px 18px rgba(0,0,0,.26)); }
.footer-grid a { display: inline-block; margin-left: 18px; color: rgba(255,255,255,.82); }
.footer-grid a:hover { color: var(--white); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .72s ease, transform .72s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }
@keyframes shimmer { 0%, 100% { opacity: .24; transform: translateX(-28%); } 50% { opacity: .6; transform: translateX(28%); } }

@media (max-width: 980px) {
  :root { --header-height: 72px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute;
    right: 20px;
    top: calc(var(--header-height) - 6px);
    width: min(330px, calc(100vw - 40px));
    padding: 16px;
    border-radius: 22px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(4, 16, 37, .98);
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: var(--shadow);
    transform-origin: top right;
    transform: scale(.96) translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: scale(1) translateY(0); }
  .hero-grid, .two-col, .value-card, .control-grid, .case-grid, .ai-card, .contact-card { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-panel { min-height: 450px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { align-items: flex-start; flex-direction: column; }
  .footer-grid a { margin-left: 0; margin-right: 18px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section-pad { padding: 66px 0; }
  .brand-logo { width: 198px; }
  .brand { padding: 0; }
  h1 { font-size: 2.55rem; }
  h2 { font-size: 2.05rem; }
  .hero-actions, .contact-actions { align-items: stretch; }
  .btn { width: 100%; }
  .hero-panel { padding: 22px; min-height: 390px; }
  .flow-card { padding: 18px; }
  .mid-card, .bottom-card { margin-left: 0; }
  .value-card, .ai-card, .contact-card { padding: 26px; border-radius: 24px; }
  .value-points, .cards-grid, .metrics, .steps { grid-template-columns: 1fr; }
  .problem-list article { grid-template-columns: 1fr; }
  .metric-card.big { grid-row: auto; }
  .footer-logo { width: 190px; }
}

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