:root {
  --bg: #ffffff;
  --ink: #10201f;
  --muted: #53615f;
  --line: #dce5e2;
  --soft: #f7faf9;
  --teal: #0f766e;
  --teal-dark: #0b4f4b;
  --amber: #b45309;
  --green: #15803d;
  --shadow: 0 18px 42px rgba(16, 32, 31, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 750;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #ffffff;
  font-size: 13px;
  letter-spacing: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

nav a:hover,
.proof-links a:hover {
  color: var(--teal);
}

.nav-cta {
  color: var(--ink);
}

.section-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: calc(100vh - 68px);
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(32px, 6vw, 78px);
  align-items: center;
  padding: 58px 0 64px;
}

.hero-copy h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(46px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 590px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions,
.start-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 750;
  border: 1px solid var(--line);
}

.button.primary {
  background: var(--teal);
  color: #ffffff;
  border-color: var(--teal);
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  background: #ffffff;
  color: var(--ink);
}

.button.secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 26px;
}

.section-heading h2,
.proof h2,
.start h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p,
.proof p,
.start p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.services,
.packages,
.proof,
.start {
  padding: 86px 0;
  border-top: 1px solid var(--line);
}

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

.service-grid article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.service-grid h3,
.package-row h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.service-grid p,
.package-row p {
  margin: 0;
  color: var(--muted);
}

.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: 44px;
  align-items: center;
}

.proof-links {
  display: grid;
  gap: 10px;
}

.proof-links a {
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  font-weight: 700;
}

.package-list {
  display: grid;
  gap: 12px;
}

.package-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.package-row strong {
  color: var(--teal);
  font-size: 21px;
  white-space: nowrap;
}

.package-row:nth-child(2) strong {
  color: var(--amber);
}

.package-row:nth-child(3) strong {
  color: var(--green);
}

.start {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
}

.start-panel {
  margin-top: 0;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 1100px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .proof,
  .start {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-copy h1 {
    font-size: 44px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: block;
  }

  .section-heading p {
    margin-top: 12px;
  }

  .package-row {
    grid-template-columns: 1fr;
  }

  .start-panel {
    align-items: stretch;
    flex-direction: column;
  }

  footer {
    flex-direction: column;
  }
}