:root {
  --navy-950: #04111f;
  --navy-900: #071a2d;
  --navy-800: #0c2842;
  --blue-500: #47aee7;
  --blue-300: #91d7ff;
  --off-white: #f5f3ee;
  --paper: #ffffff;
  --ink: #102033;
  --muted: #5c6b7a;
  --line: rgba(15, 44, 70, 0.14);
  --gold: #c9a461;
  --shadow: 0 24px 80px rgba(3, 21, 38, 0.16);
  --radius: 22px;
  --container: 1160px;
}

* { 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(--ink);
  background: var(--off-white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: white;
  padding: 10px 14px;
  z-index: 1000;
}
.skip-link:focus { left: 12px; }

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(4, 17, 31, 0.76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .92rem;
}
.brand strong { color: var(--blue-300); font-weight: 700; }
.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(145,215,255,.55);
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-weight: 800;
  color: var(--blue-300);
  box-shadow: inset 0 0 20px rgba(71,174,231,.08);
}
.nav-menu { display: flex; align-items: center; gap: 26px; }
.nav-menu a {
  color: rgba(255,255,255,.78);
  text-decoration: none;
  font-size: .94rem;
}
.nav-menu a:hover { color: white; }
.nav-toggle { display: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  color: #03111f;
  background: linear-gradient(135deg, var(--blue-300), var(--blue-500));
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 34px rgba(71,174,231,.24);
}
.button:hover { transform: translateY(-1px); }
.button-small { padding: 10px 16px; color: #03111f !important; }
.text-link { color: white; text-decoration: none; font-weight: 750; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 790px;
  padding: 160px 0 100px;
  color: white;
  background:
    radial-gradient(circle at 70% 20%, rgba(36, 114, 168, .26), transparent 32%),
    linear-gradient(135deg, #04111f 0%, #071a2d 58%, #0b263f 100%);
}
.hero-glow {
  position: absolute;
  inset: auto auto -200px -120px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(71,174,231,.09);
  filter: blur(20px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 70px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--blue-500);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .74rem;
  font-weight: 850;
}
.hero h1, h2 {
  margin: 0;
  letter-spacing: -.045em;
  line-height: 1.04;
}
.hero h1 { font-size: clamp(3.15rem, 6vw, 5.65rem); max-width: 760px; }
.hero-text {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(255,255,255,.74);
  font-size: 1.16rem;
}
.hero-actions { display: flex; gap: 22px; align-items: center; margin-top: 34px; }
.trust-row { display: flex; gap: 20px; margin-top: 34px; color: rgba(255,255,255,.62); font-size: .9rem; }
.trust-row span::before { content: "•"; color: var(--blue-300); margin-right: 8px; }

.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.logo-card {
  width: min(100%, 570px);
  border-radius: 30px;
  overflow: hidden;
  background: #06182a;
  border: 1px solid rgba(145,215,255,.18);
  box-shadow: 0 40px 100px rgba(0,0,0,.34);
  transform: rotate(1.2deg);
}
.logo-card img { width: 100%; }
.signal-card {
  position: absolute;
  padding: 14px 18px;
  min-width: 154px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 16px;
  background: rgba(7,26,45,.82);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.signal-card-one { left: -24px; bottom: 90px; }
.signal-card-two { right: -10px; top: 72px; }
.signal-label { display: block; color: rgba(255,255,255,.52); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; }
.signal-card strong { color: var(--blue-300); }

.problem-section { background: white; padding: 72px 0; border-bottom: 1px solid var(--line); }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.split-heading h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); }
.split-heading > p { color: var(--muted); font-size: 1.08rem; margin: 0; }

.section { padding: 110px 0; }
.section-heading { max-width: 740px; margin-bottom: 46px; }
.section-heading h2, .about-grid h2, .contact-grid h2 { font-size: clamp(2.3rem, 4.8vw, 4.4rem); }
.section-heading > p:last-child { color: var(--muted); font-size: 1.06rem; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
  position: relative;
  min-height: 285px;
  padding: 28px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 35px rgba(4,17,31,.06);
}
.card-number { color: var(--blue-500); font-size: .78rem; font-weight: 850; letter-spacing: .12em; }
.service-card h3 { margin: 34px 0 12px; font-size: 1.26rem; }
.service-card p { color: var(--muted); margin-bottom: 22px; }
.service-card small { color: #344b61; display: block; border-top: 1px solid var(--line); padding-top: 16px; }

.section-dark { color: white; background: var(--navy-950); }
.section-dark .section-heading > p:last-child { color: rgba(255,255,255,.62); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1); }
.process-step { background: var(--navy-950); padding: 34px; min-height: 280px; }
.process-step span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(145,215,255,.4);
  border-radius: 50%;
  color: var(--blue-300);
  font-weight: 800;
}
.process-step h3 { margin: 48px 0 10px; }
.process-step p { color: rgba(255,255,255,.62); }

.use-case-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; }
.sticky-heading { position: sticky; top: 120px; align-self: start; }
.use-case-list { border-top: 1px solid var(--line); }
.use-case-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.use-case-list article > span { color: var(--blue-500); font-weight: 800; }
.use-case-list h3 { margin: 0 0 5px; }
.use-case-list p { margin: 0; color: var(--muted); }

.about-section { background: white; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.about-copy > p { color: var(--muted); font-size: 1.08rem; margin-top: 0; }
.check-list { list-style: none; margin: 28px 0; padding: 0; }
.check-list li { padding: 12px 0 12px 30px; border-bottom: 1px solid var(--line); position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--blue-500); font-weight: 900; }
.founder-note { padding: 24px; background: var(--off-white); border-radius: 18px; }
.founder-note h3 { margin-top: 0; }
.founder-note p { margin-bottom: 0; color: var(--muted); }

.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font-weight: 800; font-size: 1.05rem; }
details p { color: var(--muted); max-width: 740px; }

.contact-section { color: white; background: linear-gradient(135deg, #071a2d, #0d2e4b); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.contact-grid > div > p { color: rgba(255,255,255,.68); }
.contact-note { margin-top: 32px; display: grid; gap: 4px; padding-left: 18px; border-left: 3px solid var(--blue-300); }
.contact-note span { color: rgba(255,255,255,.64); }

.contact-form {
  padding: 32px;
  background: white;
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { display: grid; gap: 8px; font-weight: 750; margin-bottom: 18px; }
label span { font-weight: 500; color: var(--muted); }
input, textarea, select {
  width: 100%;
  border: 1px solid #c9d4de;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 13px 14px;
  outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(71,174,231,.13); }
.consent { display: flex; align-items: flex-start; grid-template-columns: auto 1fr; font-weight: 500; }
.consent input { width: auto; margin-top: 5px; }
.form-help { color: var(--muted); font-size: .82rem; margin-bottom: 0; }
code { background: #edf2f6; border-radius: 5px; padding: 2px 5px; }

.site-footer { padding: 70px 0 24px; color: white; background: #03101d; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr .6fr; gap: 60px; }
.footer-grid p { color: rgba(255,255,255,.56); }
.footer-grid > div:last-child { display: grid; align-content: start; gap: 8px; }
.footer-grid a { color: rgba(255,255,255,.66); text-decoration: none; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.44);
  font-size: .86rem;
}

@media (max-width: 960px) {
  .hero-grid, .split-heading, .about-grid, .faq-layout, .contact-grid, .use-case-layout { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding-top: 130px; }
  .hero-visual { min-height: 430px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .sticky-heading { position: static; }
  .nav-toggle {
    display: inline-flex;
    color: white;
    background: transparent;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 10px;
    padding: 8px 12px;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    background: #071a2d;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
  }
  .nav-menu.open { display: flex; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero { min-height: auto; padding-bottom: 70px; }
  .hero h1 { font-size: clamp(2.8rem, 13vw, 4rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .trust-row { flex-direction: column; gap: 7px; }
  .hero-visual { min-height: 320px; }
  .signal-card { display: none; }
  .section { padding: 78px 0; }
  .card-grid, .process-grid, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .process-step { min-height: auto; }
  .footer-bottom { gap: 10px; flex-direction: column; }
  .brand { font-size: .79rem; letter-spacing: .05em; }
}