:root {
  --blue: #1a73e8;
  --blue-soft: #e8f0fe;
  --red: #ea4335;
  --yellow: #fbbc04;
  --green: #34a853;
  --ink: #202124;
  --muted: #5f6368;
  --line: #dfe6f3;
  --panel: #ffffff;
  --wash: #f7faff;
  --shadow: 0 20px 50px rgba(31, 59, 103, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: #fbfdff;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 70px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(223, 230, 243, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  position: relative;
  width: 36px;
  height: 25px;
}

.brand-mark span {
  position: absolute;
  border-radius: 999px;
}

.brand-mark .blue {
  width: 28px;
  height: 12px;
  left: 3px;
  bottom: 2px;
  background: var(--blue);
}

.brand-mark .red {
  width: 17px;
  height: 17px;
  left: 2px;
  top: 3px;
  background: var(--red);
}

.brand-mark .yellow {
  width: 18px;
  height: 18px;
  right: 1px;
  top: 3px;
  background: var(--yellow);
}

.brand-mark .green {
  width: 28px;
  height: 12px;
  right: 0;
  bottom: 2px;
  background: var(--green);
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 9px 12px;
  border-radius: 8px;
}

nav a:hover,
nav a:focus-visible {
  color: var(--blue);
  background: var(--blue-soft);
  outline: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 1.06fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(46px, 8vw, 90px) clamp(20px, 5vw, 70px) 44px;
  min-height: 680px;
  background:
    radial-gradient(circle at 18% 18%, rgba(66, 133, 244, 0.16), transparent 32%),
    radial-gradient(circle at 88% 34%, rgba(52, 168, 83, 0.14), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(2.55rem, 6vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3.8vw, 3.45rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.hero-text,
.section-heading p,
.architecture-copy p,
.callout p,
footer {
  color: var(--muted);
}

.hero-text {
  max-width: 63ch;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-button {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 28px rgba(26, 115, 232, 0.22);
}

.secondary-button {
  color: var(--blue);
  background: var(--blue-soft);
}

.hero-media {
  border-radius: 32px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: rotate(1deg);
  border: 1px solid rgba(223, 230, 243, 0.9);
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 70px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--line);
  box-shadow: 0 14px 40px rgba(31, 59, 103, 0.08);
}

.stats-band article {
  padding: 24px;
  background: #fff;
}

.stats-band strong {
  display: block;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1;
}

.stats-band span {
  color: var(--muted);
  font-weight: 700;
}

.section,
.architecture-section,
.callout {
  padding: clamp(62px, 9vw, 110px) clamp(20px, 5vw, 70px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(31, 59, 103, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 22px;
  border-radius: 8px;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}

.blue-icon {
  background: var(--blue);
}

.red-icon {
  background: var(--red);
}

.yellow-icon {
  color: var(--ink);
  background: var(--yellow);
}

.green-icon {
  background: var(--green);
}

.service-card p,
.timeline p {
  color: var(--muted);
  margin-bottom: 0;
}

.architecture-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(340px, 1.2fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  background: var(--wash);
  border-block: 1px solid var(--line);
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--muted);
  font-weight: 600;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25em;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 0.52em;
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.architecture-image {
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.story-section {
  background: #fff;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline article {
  position: relative;
  padding: 28px;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f8fbff);
  border: 1px solid var(--line);
}

.timeline span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 20px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

.timeline article:nth-child(2) span {
  background: var(--red);
}

.timeline article:nth-child(3) span {
  color: var(--ink);
  background: var(--yellow);
}

.timeline article:nth-child(4) span {
  background: var(--green);
}

.callout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: center;
  color: #fff;
  background: #174ea6;
}

.callout .eyebrow,
.callout p {
  color: #d2e3fc;
}

.callout h2 {
  margin-bottom: 0;
}

.callout p:last-child {
  margin-bottom: 0;
  font-size: 1.08rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px clamp(20px, 5vw, 70px);
  border-top: 1px solid var(--line);
  background: #fff;
  font-size: 0.9rem;
}

footer p {
  margin: 0;
}

footer a {
  color: var(--blue);
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero,
  .architecture-section,
  .callout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    transform: none;
  }

  .stats-band,
  .service-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav a {
    padding-inline: 8px;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-actions a {
    width: 100%;
  }

  .stats-band,
  .service-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .stats-band article,
  .service-card,
  .timeline article {
    padding: 22px;
  }

  footer {
    flex-direction: column;
  }
}