:root {
  color-scheme: light;
  --ink: #10201f;
  --muted: #5f6f6d;
  --line: #d8e4e1;
  --panel: #ffffff;
  --soft: #eef7f5;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --bg: #f8fbfa;
  --shadow: 0 18px 55px rgba(15, 118, 110, 0.12);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: rgba(248, 251, 250, 0.9);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 900;
  gap: 0.65rem;
  text-decoration: none;
}

.brand-mark {
  background: var(--accent);
  border-radius: 8px;
  color: #fff;
  display: grid;
  height: 2rem;
  place-items: center;
  width: 2rem;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 1rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 800;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent-dark);
}

.nav-toggle {
  display: none;
}

.hero {
  align-items: center;
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  min-height: 76vh;
  padding: clamp(3rem, 8vw, 7rem) clamp(1rem, 4vw, 3rem);
}

.hero-content,
.section {
  margin: 0 auto;
  max-width: 1180px;
  width: 100%;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(3.4rem, 10vw, 8rem);
  letter-spacing: -0.04em;
  line-height: 0.9;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1rem;
  max-width: 820px;
}

h3 {
  font-size: 1.1rem;
  margin-bottom: 0.55rem;
}

.tagline {
  color: var(--accent-dark);
  font-size: clamp(1.35rem, 3vw, 2.1rem);
  font-weight: 900;
  margin-bottom: 1rem;
}

.hero-description,
.section-heading p,
.about p,
.contact p,
.product-card p {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.hero-description {
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button,
.contact-link,
.nav-toggle {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 900;
  justify-content: center;
  padding: 0.9rem 1.1rem;
  text-decoration: none;
}

.button.primary,
.contact-link {
  background: var(--accent);
  color: #fff;
}

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

.hero-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
}

.hero-panel div {
  background: var(--soft);
  border-radius: 8px;
  padding: 1rem;
}

.hero-panel span {
  color: var(--muted);
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.hero-panel strong {
  font-size: 1.25rem;
}

.section {
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 3rem);
}

.section-heading {
  margin-bottom: 1.8rem;
}

.product-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.product-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 180px;
  padding: 1.15rem;
}

.product-card:hover {
  border-color: rgba(15, 118, 110, 0.45);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  transition: 180ms ease;
}

.about,
.contact {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 0.9fr 1.1fr;
  margin-bottom: clamp(1rem, 4vw, 3rem);
}

.contact {
  grid-template-columns: 1fr auto;
}

.contact-link {
  white-space: nowrap;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1040px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: stretch;
    flex-direction: column;
  }

  .nav-toggle {
    background: var(--soft);
    color: var(--ink);
    display: inline-flex;
    width: fit-content;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-link {
    white-space: normal;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}