:root {
  --black: #000;
  --white: #fff;
  --off-white: #fafafa;
  --gray: #555;
  --max-width: 1900px;
  --gutter: clamp(24px, 4vw, 100px);
  --heading-font: 'Manrope', sans-serif;
  --body-font: 'Nunito Sans', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body-font);
  color: var(--black);
  background: var(--white);
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: var(--heading-font);
  font-weight: 500;
  margin: 0 0 0.6em;
}

p {
  font-size: 1.1rem;
  margin: 0 0 1em;
}

a {
  color: inherit;
}

.site-header,
main,
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  padding-bottom: 24px;
}

.logo {
  font-weight: 400;
  font-size: clamp(1rem, 0.8rem + 1vw, 1.7rem);
  text-decoration: none;
}

.btn {
  display: inline-block;
  background: var(--black);
  color: var(--off-white);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 16px 28px;
  border-radius: 300px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--black);
}

.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--gutter);
  text-align: center;
  overflow: hidden;
  aspect-ratio: 375 / 616;
  box-sizing: border-box;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

@media (min-width: 760px) {
  .hero {
    aspect-ratio: 1177 / 808;
  }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.9rem);
  line-height: 1.08;
  max-width: 900px;
  margin: 0 auto;
}

.intro,
.services,
.testimonials {
  padding: 64px 0;
}

.testimonials {
  text-align: center;
}

.intro h2,
.services h2,
.testimonials h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.7rem);
  margin-bottom: 0.8em;
}

.intro p {
  max-width: 720px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}

.service h3 {
  font-size: 1.3rem;
  margin-bottom: 0.7em;
}

.service p {
  font-size: 1rem;
  color: var(--gray);
}

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin: 40px 0 8px;
}

.logo-strip img {
  width: 170px;
  height: auto;
  max-height: 100px;
  object-fit: contain;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 40px;
}

blockquote {
  margin: 0;
  padding: 32px;
  background: var(--off-white);
  border-radius: 16px;
}

blockquote p {
  font-size: 1.05rem;
  font-style: italic;
}

blockquote cite {
  display: block;
  margin-top: 1em;
  font-style: normal;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-footer {
  padding: 40px 24px 60px;
  text-align: center;
  color: var(--gray);
  font-size: 0.9rem;
}

.site-footer a {
  color: inherit;
}

@media (max-width: 760px) {
  .service-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .btn-header {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu.is-open {
    display: flex;
    justify-content: center;
    padding: 0 24px 24px;
  }
}