:root {
  /* Backgrounds */
  --bg: #f8f9fa;
  --bg-alt: #ffffff;
  --card-bg: #ffffff;

  /* Text */
  --text: #1a202c;
  --text-muted: #64748b;

  /* Accents */
  --accent: #2563eb;
  --accent-hover: #1d4ed8;

  /* Borders */
  --border: #e2e8f0;
  --border-dark: #cbd5e1;

  /* Hero gradient */
  --hero-grad-start: #dbeafe;
  --hero-grad-end: #f8f9fa;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --------- Layout helpers --------- */

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --------- Header and nav --------- */

.site-header {
  background-color: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.75rem 0;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  width: 180px;
  height: auto;
  object-fit: contain;
}

.company-tagline {
  margin: 0;
  font-size: 1.125rem;
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.02em;
  border-left: 2px solid var(--border-dark);
  padding-left: 2rem;
}

/* --------- Hero --------- */

.hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(
    circle at top left,
    var(--hero-grad-start),
    var(--hero-grad-end)
  );
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-text {
  max-width: 720px;
  text-align: left;
}

.hero h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-muted);
}
/* --------- Main content area --------- */

main {
  flex: 1;
}

/* --------- Sections --------- */

.section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.section:nth-child(odd) {
  background-color: var(--bg);
}

.section:nth-child(even) {
  background-color: var(--bg-alt);
}

.section h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.section p {
  margin-bottom: 1.25rem;
  line-height: 1.7;
  max-width: 65ch;
}

.section h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.75rem;
}

.section ul li {
  padding: 0.75rem 1rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  color: var(--text);
}

/* --------- Contact section --------- */

.contact-grid {
  display: grid;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.contact-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.contact-list li:last-child {
  border-bottom: none;
}

.contact-list strong {
  color: var(--text);
  min-width: 5rem;
}

.contact-list a {
  color: var(--accent);
  transition: color 0.2s ease;
}

.contact-list a:hover {
  color: var(--accent-hover);
}

.owner-profile {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.owner-photo {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: 0.75rem;
  object-fit: cover;
  margin: 0 auto 1.5rem auto;
  display: block;
  border: 2px solid var(--border);
}

.owner-name {
  margin: 0.5rem 0 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

/* Desktop layout */
@media (min-width: 720px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------- Footer --------- */

.site-footer {
  border-top: 1px solid var(--border);
  background-color: var(--bg-alt);
  padding: 2rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-content {
  text-align: center;
}

/* --------- Responsive --------- */

@media (max-width: 640px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .section {
    padding: 3rem 0;
  }

  .contact-info,
  .owner-profile {
    padding: 1.5rem;
  }
}