:root {
  --ink: #172033;
  --muted: #647084;
  --line: #dce3ec;
  --paper: #f7f9fc;
  --white: #ffffff;
  --blue: #1f64c8;
  --blue-dark: #17427f;
  --gold: #f2b23f;
  --green: #2f8d46;
  --shadow: 0 20px 60px rgba(23, 32, 51, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
}

.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, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand img {
  width: 48px;
  height: 36px;
  object-fit: contain;
}

.site-header nav,
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-header nav a,
footer nav a,
.header-phone {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.header-phone {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(48px, 8vw, 110px) clamp(20px, 5vw, 72px) 56px;
  background:
    linear-gradient(135deg, rgba(31, 100, 200, 0.12), rgba(47, 141, 70, 0.08)),
    var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3.4vw, 3.1rem);
  line-height: 1.06;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.hero-text {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 20px;
  border: 0;
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button {
  color: var(--white);
  background: var(--blue);
}

.button.secondary {
  color: var(--blue-dark);
  background: #eaf1fb;
}

.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.credentials span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

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

.commitment,
.section,
footer {
  padding: clamp(46px, 7vw, 88px) clamp(20px, 5vw, 72px);
}

.commitment {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 40px;
  background: var(--blue-dark);
  color: var(--white);
}

.commitment p:last-child {
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.1rem;
}

.section {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.section:nth-of-type(odd) {
  background: var(--paper);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 32px;
}

.service-grid,
.audience-grid,
.check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-grid article,
.audience-grid article,
.steps li,
.contact-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.service-grid p,
.audience-grid p,
.steps p,
.copy-stack p,
.contact p {
  color: var(--muted);
}

.split,
.contact,
.contact-details {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 72px);
}

.copy-stack {
  max-width: 720px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-weight: 900;
}

.check-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-grid span {
  padding: 18px 18px 18px 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  position: relative;
  font-weight: 800;
}

.check-grid span::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 12px;
  height: 7px;
  border-left: 3px solid var(--green);
  border-bottom: 3px solid var(--green);
  transform: rotate(-45deg);
}

form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(23, 32, 51, 0.08);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

.contact-card a {
  color: var(--blue);
  font-weight: 900;
}

footer {
  display: grid;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  background: #101827;
}

footer strong {
  color: var(--white);
}

footer nav a {
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .commitment,
  .split,
  .contact,
  .contact-details {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .audience-grid,
  .check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header nav {
    gap: 12px;
  }

  .service-grid,
  .audience-grid,
  .steps,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .brand span {
    font-size: 0.95rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  button {
    width: 100%;
  }
}
