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

:root {
  --font: 'Inter', system-ui, sans-serif;
  --bg: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --accent: #01696f;
  --accent-hover: #0c4e54;
  --radius: 8px;
  --max-w: 960px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 1rem;
}

/* NAV */
.site-nav {
  border-bottom: 1px solid var(--border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}
.site-logo-img { height: 32px; width: auto; object-fit: contain; }
.site-logo-placeholder {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.site-nav-links { display: flex; gap: 0.25rem; }
.site-nav-toggle { display: none; }
.site-nav-link {
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 150ms, background 150ms;
}
.site-nav-link:hover { color: var(--text); background: #f3f4f6; }
.site-nav-link.active { color: var(--accent); }

/* HERO */
.site-hero {
  min-height: calc(100dvh - 56px);
  display: flex;
  align-items: center;
  padding: 4rem 1.5rem;
}
.site-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}
.site-hero-inner h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.site-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  max-width: 60ch;
}
.site-hero-desc {
  color: var(--text-muted);
  max-width: 55ch;
  margin-bottom: 2rem;
}
.site-hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* INTERIOR PAGES */
.site-page { padding: 4rem 1.5rem; }
.site-page-inner { max-width: var(--max-w); margin: 0 auto; }
.site-page-inner h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.site-page-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 60ch;
}
.site-page-body { max-width: 65ch; color: var(--text-muted); line-height: 1.8; white-space: pre-line; }
.site-page-desc { color: var(--text-muted); margin-bottom: 2rem; max-width: 55ch; }

/* BUTTONS */
.site-btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 150ms;
}
.site-btn:hover { background: var(--accent-hover); }
.site-btn-ghost {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 150ms, color 150ms;
}
.site-btn-ghost:hover { border-color: var(--text-muted); }

/* CONSTRUCTION */
.construction-wrap {
  min-height: calc(100dvh - 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}
.construction-icon { font-size: 3rem; margin-bottom: 1.5rem; }
.construction-wrap h1 { font-size: 1.75rem; margin-bottom: 0.75rem; }
.construction-wrap p { color: var(--text-muted); margin-bottom: 2rem; }

/* BLOG */
.site-post-card {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.site-post-card:last-child { border-bottom: none; }
.site-post-card h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.site-post-card h2 a { text-decoration: none; color: var(--text); }
.site-post-card h2 a:hover { color: var(--accent); }
.site-post-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.site-post-date { font-size: 0.8rem; color: var(--text-muted); }
.site-empty, .site-loading { color: var(--text-muted); padding: 2rem 0; }

/* CONTACT FORM */
.site-contact-form { display: flex; flex-direction: column; gap: 1rem; max-width: 480px; margin-top: 1.5rem; }
.site-contact-form input,
.site-contact-form textarea {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 150ms;
}
.site-contact-form input:focus,
.site-contact-form textarea:focus { border-color: var(--accent); }
.site-contact-form textarea { resize: vertical; }

.blog-grid { display: grid; gap: 1rem; }
.blog-card { margin-bottom: 0; }

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  margin-top: auto;
}
.site-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.site-footer-links { display: flex; gap: 1.5rem; }
.site-footer-links a { color: var(--text-muted); text-decoration: none; }
.site-footer-links a:hover { color: var(--text); }

@media (max-width: 640px) {
  .site-nav-links { display: none; }
  .site-footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .site-nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-base, #fff);
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 100;
  }
  .site-nav-links.open { display: flex; }
  .site-nav-toggle {
    display: flex;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary, #1a1a1a);
  }
  .site-nav { position: relative; }

  .site-hero { padding: 3rem 1rem; }
  .site-hero h1,
  .site-hero-inner h1 { font-size: clamp(1.6rem, 5vw, 2.5rem); }
  .site-hero-actions { flex-direction: column; gap: 0.75rem; }
  .site-hero-actions a { width: 100%; text-align: center; }
  .site-page { padding: 2rem 1rem; }
  .site-page-inner { padding: 0; }
  .site-footer-inner { flex-direction: column; gap: 1rem; text-align: center; }

  .blog-grid { grid-template-columns: 1fr; }
  .blog-card,
  .site-post-card { margin-bottom: 1rem; }

  .contact-form,
  .site-contact-form { padding: 1.5rem 1rem; }
  .contact-form input,
  .contact-form textarea,
  .site-contact-form input,
  .site-contact-form textarea { width: 100%; box-sizing: border-box; }
}

@media (min-width: 769px) {
  .site-nav-toggle { display: none; }
}