html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}


body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #24343c;
  background: #f5f7f8;
}

.site-header {
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
  color: #fff;
  background:
    radial-gradient(ellipse at 50% 0, rgba(91, 150, 151, 0.28), transparent 58%),
    linear-gradient(135deg, #163a4e, #254d60);
}

.site-header__content {
  display: flex;
  max-width: 960px;
  margin: 0 auto;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.site-header__logo {
  display: block;
  flex: 0 0 auto;
  width: clamp(6.5rem, 12vw, 9rem);
  height: auto;
  margin: 0;
  padding: 0.5rem;
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: 0 8px 24px rgba(8, 29, 39, 0.2);
}

.site-header__text {
  min-width: 0;
  text-align: left;
}

.site-header__eyebrow,
.section-eyebrow {
  color: #5b9697;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header__eyebrow {
  margin-bottom: 0.5rem;
  color: #b7d9d4;
}

.site-header h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.site-header__intro {
  max-width: 580px;
  margin: 0.9rem 0 0;
  color: #e0eaed;
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: #fff;
  box-shadow: 0 4px 16px rgba(20, 42, 53, 0.08);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: #1f4655;
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background-color: #eaf2f1;
  text-decoration: none;
  transform: translateY(-1px);
}

.site-nav a:focus-visible,
.contact-link:focus-visible {
  outline: 3px solid #5b9697;
  outline-offset: 3px;
}

main {
  width: min(100% - 2rem, 1080px);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.content-section {
  margin-bottom: clamp(2rem, 5vw, 4rem);
  scroll-margin-top: 5.5rem;
}

.content-section:last-child {
  margin-bottom: 0;
}

.container_section {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid #e1e8e9;
  border-radius: 16px;
  background-color: #fff;
  box-shadow: 0 10px 30px rgba(23, 55, 66, 0.05);
}

.container_section h2 {
  margin-bottom: 1.25rem;
  color: #183e50;
  font-size: clamp(1.7rem, 4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.container_section > p:not(.section-eyebrow) {
  max-width: 74ch;
  margin-top: 1rem;
}

.section-eyebrow {
  margin-bottom: 0.35rem;
}

.presentation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.75fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.presentation-copy > p {
  max-width: 74ch;
}

.presentation-copy > p + p {
  margin-top: 1rem;
}

.presentation-signature {
  color: #1f4655;
  font-weight: 700;
}

.presentation-emphasis {
  font-weight: 700;
}

.presentation-photos {
  display: grid;
  gap: 1rem;
}

.presentation-photos figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid #e1e8e9;
  border-radius: 12px;
  background: #f7f9f9;
}

.presentation-photos img {
  display: block;
  width: 100%;
  height: auto;
}

.presentation-photos figcaption {
  padding: 0.75rem 1rem;
  color: #52636a;
  font-size: 0.88rem;
}

#services .container_section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

#services .section-eyebrow,
#services h2 {
  grid-column: 1 / -1;
}

.services-list {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border: 1px solid #e1e8e9;
  border-radius: 12px;
  background-color: #f7f9f9;
}

.services-list h3 {
  color: #1f4655;
  font-size: 1.1rem;
  line-height: 1.35;
}

.services-list p {
  color: #52636a;
}

#contact .container_section {
  background: #edf4f3;
}

.contact-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: #1f5961;
  font-weight: 700;
  text-underline-offset: 0.2em;
}

@media (max-width: 600px) {
  .site-header__content {
    flex-direction: column;
    gap: 1rem;
  }

  .site-header__logo {
    width: clamp(5.5rem, 20vw, 7rem);
  }

  .site-header__text {
    text-align: center;
  }

  .site-header__intro {
    margin-right: auto;
    margin-left: auto;
  }

  .site-nav {
    gap: 0.2rem;
    padding: 0.55rem 0.5rem;
  }

  .site-nav a {
    padding: 0.6rem 0.75rem;
    font-size: 2rem;
  }

  main {
    width: min(100% - 1.25rem, 1080px);
  }

  #services .container_section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .presentation-layout {
    grid-template-columns: 1fr;
  }

  .presentation-photos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    align-items: start;
  }

  .presentation-photos figcaption {
    padding: 0.65rem;
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-nav a {
    transition: none;
  }
}