:root {
  --color-bg: #f5f9ff;
  --color-bg-alt: #eef5fb;
  --color-ink: #0b1220;
  --color-muted: #526175;
  --color-muted-2: #6d7b90;
  --color-deep: #07111f;
  --color-deep-2: #0d1c31;
  --color-panel: #ffffff;
  --color-panel-dark: rgba(12, 27, 49, 0.78);
  --color-primary: #12b7f5;
  --color-primary-dark: #0879b8;
  --color-primary-soft: #dcf5ff;
  --color-secondary: #63f0bd;
  --color-secondary-soft: #dffcef;
  --color-accent: #f4b740;
  --color-warning-soft: #fff4d8;
  --color-danger: #ff6b6b;
  --color-border: #d9e7f2;
  --color-border-dark: rgba(255, 255, 255, 0.14);
  --shadow-soft: 0 20px 60px rgba(22, 48, 78, 0.12);
  --shadow-card: 0 12px 34px rgba(18, 44, 75, 0.10);
  --shadow-glow: 0 0 34px rgba(18, 183, 245, 0.22);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1180px;
  --font-sans: "Inter", "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-accent: "Space Grotesk", "Inter", "Segoe UI", system-ui, sans-serif;
  --transition: 180ms ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background:
    radial-gradient(circle at top left, rgba(18, 183, 245, 0.12), transparent 34rem),
    radial-gradient(circle at 85% 12%, rgba(99, 240, 189, 0.12), transparent 28rem),
    var(--color-bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary-dark); text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition); }
a:hover { color: #075f91; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(18, 183, 245, 0.42); outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--color-deep);
  color: #fff;
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: 1rem; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 249, 255, 0.84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(217, 231, 242, 0.76);
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--color-ink);
  font-family: var(--font-accent);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.32rem;
}
.logo:hover { color: var(--color-ink); }
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: var(--shadow-glow);
  display: grid;
  place-items: center;
  color: var(--color-deep);
  font-size: 0.9rem;
  letter-spacing: -0.03em;
}
.logo small {
  display: block;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: -0.16rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.68rem 0.86rem;
  border-radius: 999px;
  color: #243149;
  font-weight: 700;
  font-size: 0.94rem;
}
.nav-link:hover, .nav-link.active { background: var(--color-primary-soft); color: var(--color-primary-dark); }
.nav-cta { margin-left: 0.25rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  border-radius: 999px;
  padding: 0.86rem 1.16rem;
  font-weight: 800;
  line-height: 1.1;
  cursor: pointer;
  min-height: 46px;
}
.btn-primary {
  color: #03101d;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  box-shadow: 0 14px 28px rgba(18, 183, 245, 0.22);
}
.btn-primary:hover { color: #03101d; transform: translateY(-1px); }
.btn-secondary {
  color: #dff9ff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}
.btn-secondary:hover { color: #fff; background: rgba(255, 255, 255, 0.13); }
.btn-outline {
  background: #fff;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { background: var(--color-primary-soft); }

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(7, 17, 31, 0.98), rgba(12, 32, 56, 0.96)),
    radial-gradient(circle at 70% 20%, rgba(18, 183, 245, 0.34), transparent 28rem);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 3rem;
  align-items: center;
  padding: 78px 0 54px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.54rem;
  margin: 0 0 1rem;
  color: var(--color-secondary);
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
}
.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 18px var(--color-secondary);
}
.hero h1, .page-hero h1 {
  margin: 0;
  font-family: var(--font-accent);
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: -0.065em;
}
.hero h1 { font-size: clamp(2.8rem, 7vw, 6rem); max-width: 900px; }
.page-hero h1 { font-size: clamp(2.35rem, 5.4vw, 4.9rem); max-width: 880px; }
.gradient-text { background: linear-gradient(135deg, #fff 12%, var(--color-secondary) 52%, var(--color-primary) 92%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color: #c8d7e9; max-width: 720px; margin: 1.3rem 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }
.trust-line { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.3rem; color: #9fb4c9; font-size: 0.94rem; }
.trust-line span { border: 1px solid rgba(255,255,255,0.12); border-radius: 999px; padding: 0.45rem 0.72rem; background: rgba(255,255,255,0.05); }
.hero-visual {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--color-border-dark);
  border-radius: calc(var(--radius-xl) + 6px);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}
.hero-visual::after {
  content: "AI";
  position: absolute;
  right: 1.6rem;
  top: 1.6rem;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: var(--color-deep);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-secondary), #fff3c4);
  box-shadow: var(--shadow-glow);
}
.hero-visual img { border-radius: var(--radius-xl); }

.metric-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 0 0 70px;
}
.metric-card {
  border: 1px solid var(--color-border-dark);
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  color: #dbe8f4;
}
.metric-card strong { display: block; color: #fff; font-family: var(--font-accent); font-size: 1.8rem; line-height: 1; letter-spacing: -0.04em; margin-bottom: 0.35rem; }

.page-hero {
  color: #fff;
  background:
    radial-gradient(circle at 72% 0%, rgba(99, 240, 189, 0.22), transparent 26rem),
    linear-gradient(135deg, var(--color-deep), var(--color-deep-2));
  padding: 62px 0 70px;
}
.breadcrumb { color: #a8bdd4; margin: 0 0 1.4rem; font-size: 0.94rem; }
.breadcrumb a { color: #dff9ff; border-bottom: 1px solid rgba(223, 249, 255, 0.38); }

.section { padding: 74px 0; }
.section-tight { padding: 50px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-deep); color: #edf7ff; }
.section-dark p, .section-dark .text-muted { color: #bfd0e2; }
.section-header { max-width: 780px; margin-bottom: 2rem; }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
h2, h3 { font-family: var(--font-accent); color: var(--color-ink); letter-spacing: -0.045em; line-height: 1.08; }
.section-dark h2, .section-dark h3 { color: #fff; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); margin: 0 0 1rem; }
h3 { font-size: 1.35rem; margin: 0 0 0.7rem; }
p { margin: 0 0 1rem; }
.text-muted { color: var(--color-muted); }
.kicker { color: var(--color-primary-dark); font-weight: 850; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.78rem; margin: 0 0 0.75rem; }

.grid { display: grid; gap: 1.2rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two-column { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 2rem; align-items: start; }

.card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-card);
}
.card.highlight { background: linear-gradient(180deg, #ffffff, #f0fbff); border-color: rgba(18, 183, 245, 0.35); }
.card.dark-card { background: var(--color-panel-dark); border-color: var(--color-border-dark); color: #eaf6ff; box-shadow: none; }
.card.dark-card h3 { color: #fff; }
.icon-pill {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-secondary-soft));
  color: var(--color-primary-dark);
  font-weight: 900;
  margin-bottom: 1rem;
}
.card ul, .check-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.card li, .check-list li { position: relative; padding-left: 1.45rem; margin: 0.62rem 0; }
.card li::before, .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.54rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(99, 240, 189, 0.18);
}

.visual-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  background: #fff;
}
.visual-card figcaption { padding: 1rem 1.2rem; color: var(--color-muted); font-size: 0.94rem; }

.process { counter-reset: step; }
.process-step { position: relative; padding-top: 3.8rem; }
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 1.2rem;
  left: 1.35rem;
  color: var(--color-primary-dark);
  font-family: var(--font-accent);
  font-weight: 850;
  font-size: 1.35rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
}
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { text-align: left; padding: 1rem; border-bottom: 1px solid var(--color-border); vertical-align: top; }
th { background: #f0f7fd; font-family: var(--font-accent); color: #18314f; }
tr:last-child td { border-bottom: 0; }

.aside-note {
  position: sticky;
  top: 100px;
  background: linear-gradient(180deg, #0d1c31, #102c4c);
  color: #eaf7ff;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: 0 24px 70px rgba(7, 17, 31, 0.22);
}
.aside-note h3 { color: #fff; }
.aside-note p { color: #bdd1e4; }
.aside-note a:not(.btn) { color: var(--color-secondary); }

.callout {
  border-left: 5px solid var(--color-primary);
  background: #ffffff;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  box-shadow: var(--shadow-card);
  padding: 1.4rem;
}
.callout.warning { border-left-color: var(--color-accent); background: var(--color-warning-soft); }

.cta-band {
  border-radius: calc(var(--radius-xl) + 8px);
  padding: clamp(2rem, 5vw, 4rem);
  color: #fff;
  background:
    radial-gradient(circle at 20% 0, rgba(99, 240, 189, 0.28), transparent 22rem),
    linear-gradient(135deg, var(--color-deep), #0b3153 60%, #062235);
  box-shadow: 0 26px 80px rgba(7, 17, 31, 0.22);
  overflow: hidden;
  position: relative;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: auto -80px -110px auto;
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  opacity: 0.18;
  border-radius: 50%;
}
.cta-band h2 { color: #fff; }
.cta-band p { max-width: 780px; color: #cbdced; }

.faq details {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  margin-bottom: 0.8rem;
  box-shadow: 0 8px 24px rgba(18, 44, 75, 0.06);
}
.faq summary { cursor: pointer; font-weight: 850; color: #17304e; }
.faq p { margin-top: 0.75rem; color: var(--color-muted); }

.form-card label { display: block; font-weight: 800; margin-bottom: 0.44rem; color: #243149; }
.form-card input, .form-card textarea, .form-card select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #f9fcff;
  padding: 0.85rem 0.95rem;
  font: inherit;
  color: var(--color-ink);
  margin-bottom: 1rem;
}
.form-card textarea { min-height: 140px; resize: vertical; }
.form-card .hint { color: var(--color-muted); font-size: 0.92rem; }

.site-footer {
  background: #06101d;
  color: #c4d6e7;
  padding: 52px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer h2, .site-footer h3 { color: #fff; font-size: 1.05rem; margin-bottom: 0.85rem; letter-spacing: -0.02em; }
.footer-list { list-style: none; margin: 0; padding: 0; }
.footer-list li { margin: 0.5rem 0; }
.site-footer a { color: #dff9ff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: #8ba1b8; font-size: 0.92rem; }

@media (max-width: 980px) {
  .nav-shell { flex-wrap: wrap; padding: 0.8rem 0; }
  .nav-list { order: 3; width: 100%; overflow-x: auto; padding-bottom: 0.2rem; }
  .hero-grid, .two-column { grid-template-columns: 1fr; }
  .metric-strip, .grid-4, .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aside-note { position: static; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, var(--container)); }
  .hero-grid { padding: 54px 0 36px; gap: 2rem; }
  .metric-strip, .grid-4, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .nav-cta { display: none; }
  .nav-link { white-space: nowrap; font-size: 0.9rem; }
  .page-hero { padding: 46px 0 54px; }
  .trust-line span { width: 100%; }
  .footer-bottom { flex-direction: column; }
}

.site-footer .text-muted { color: #a8bdd4; }