:root {
  --navy: #102a43;
  --blue: #1d4ed8;
  --green: #16a34a;
  --cyan: #06b6d4;
  --graphite: #1f2937;
  --mist: #f3f6fa;
  --line: #d8e0ea;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(16, 42, 67, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--graphite);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(216, 224, 234, .8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--navy);
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

nav {
  display: flex;
  gap: clamp(14px, 3vw, 28px);
  color: #526070;
  font-size: 15px;
  font-weight: 650;
}

nav a:hover {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 560px);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  min-height: min(820px, calc(88vh - 76px));
  padding: clamp(42px, 8vw, 110px) clamp(18px, 6vw, 88px) clamp(36px, 5vw, 70px);
  background:
    linear-gradient(90deg, rgba(243, 246, 250, .95), rgba(255, 255, 255, .78)),
    radial-gradient(circle at 85% 20%, rgba(6, 182, 212, .12), transparent 34%),
    linear-gradient(135deg, #ffffff, #eef4fb);
}

.heroText {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  color: var(--navy);
  font-size: clamp(44px, 6.7vw, 86px);
  line-height: .98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  color: var(--navy);
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 700px;
  margin-bottom: 28px;
  color: #3d4f63;
  font-size: clamp(18px, 2.1vw, 23px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 12px 26px rgba(29, 78, 216, .22);
}

.button.secondary {
  color: var(--navy);
  background: var(--white);
}

.heroPanel {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.heroPanel > img {
  width: 100%;
  aspect-ratio: 1.9;
  object-fit: contain;
  background: #f8fbff;
  border-bottom: 1px solid var(--line);
}

.systemPreview {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.systemPreview div {
  padding: 18px 20px;
  background: var(--white);
}

.label {
  display: block;
  margin-bottom: 4px;
  color: #64748b;
  font-size: 13px;
  font-weight: 750;
}

.systemPreview strong {
  color: var(--navy);
  font-size: 18px;
}

.band,
.section,
.split,
.proof,
.contact,
footer {
  padding-inline: clamp(18px, 6vw, 88px);
}

.band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(26px, 5vw, 68px);
  align-items: end;
  padding-block: clamp(54px, 8vw, 94px);
  background: var(--navy);
  color: #dbeafe;
}

.band h2 {
  color: var(--white);
}

.band .eyebrow,
.contact .eyebrow {
  color: #7dd3fc;
}

.intro p:last-child {
  max-width: 780px;
  margin-bottom: 0;
  color: #dbeafe;
  font-size: 18px;
}

.metrics {
  display: grid;
  gap: 12px;
}

.metrics div {
  padding: 18px 20px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(216, 224, 234, .22);
  border-radius: 8px;
}

.metrics strong {
  display: block;
  color: var(--white);
  font-size: 28px;
}

.section {
  padding-block: clamp(58px, 9vw, 110px);
}

.sectionHead {
  max-width: 860px;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.serviceGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.serviceGrid article {
  min-height: 250px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 34px rgba(16, 42, 67, .06);
}

.serviceGrid p,
.steps p,
.proof p,
.split p {
  color: #526070;
}

.icon {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--green);
  font-weight: 900;
}

.split,
.proof {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 470px);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding-block: clamp(54px, 8vw, 98px);
  background: var(--mist);
}

.split img,
.proof img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.checkList {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.checkList li {
  position: relative;
  padding-left: 28px;
  color: var(--navy);
  font-weight: 700;
}

.checkList li::before {
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--green);
  content: "✓";
}

.process {
  background: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.steps div {
  min-height: 220px;
  padding: 24px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.steps strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
}

.proof {
  grid-template-columns: minmax(300px, 470px) minmax(0, 1fr);
  background: #ffffff;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  padding-block: clamp(56px, 8vw, 90px);
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), #173f62);
}

.contact h2 {
  max-width: 850px;
  color: var(--white);
}

.contactText p:last-child {
  max-width: 760px;
  color: #dbeafe;
  font-size: 18px;
}

.contactForm {
  display: grid;
  gap: 14px;
  padding: 24px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid rgba(216, 224, 234, .28);
  border-radius: 8px;
  box-shadow: 0 22px 50px rgba(0, 0, 0, .16);
}

.contactForm label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}

.contactForm input,
.contactForm textarea {
  width: 100%;
  padding: 12px 13px;
  color: var(--graphite);
  font: inherit;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contactForm textarea {
  resize: vertical;
}

.contactForm input:focus,
.contactForm textarea:focus {
  outline: 3px solid rgba(29, 78, 216, .18);
  border-color: var(--blue);
}

.contactForm button:disabled {
  opacity: .7;
  cursor: wait;
}

.formStatus {
  min-height: 22px;
  margin: 0;
  color: #334155;
  font-weight: 700;
}

footer {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  padding-block: 26px;
  color: #667085;
  background: #f8fafc;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .hero,
  .band,
  .split,
  .proof,
  .contact {
    grid-template-columns: 1fr;
  }

  .serviceGrid,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof img {
    order: 2;
  }
}

@media (max-width: 680px) {
  .topbar {
    position: static;
    align-items: flex-start;
    gap: 12px;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
  }

  .serviceGrid,
  .steps {
    grid-template-columns: 1fr;
  }

  .serviceGrid article,
  .steps div {
    min-height: auto;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}
