/* ===== Design tokens ===== */
:root {
  --color-bg: #f7f9f5;
  --color-bg-alt: #edf1e8;
  --color-surface: #ffffff;
  --color-text: #1b2a1f;
  --color-text-muted: #5c6b5e;
  --color-primary: #2f5233;
  --color-primary-dark: #1e3722;
  --color-primary-light: #4a7550;
  --color-accent: #c9772f;
  --color-border: #dde3d6;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(30, 55, 34, 0.08);
  --shadow-lg: 0 10px 30px rgba(30, 55, 34, 0.12);
  --max-width: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
}

.nav-brand .mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a.btn-primary {
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-primary-dark);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff !important;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary) !important;
}
.btn-outline:hover { background: var(--color-primary); color: #fff !important; }

/* ===== Hero ===== */
.hero {
  padding: 80px 0 64px;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin: 0 0 16px;
  color: var(--color-primary-dark);
  max-width: 780px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 0 28px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.page-hero {
  padding: 56px 0 40px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 { color: var(--color-primary-dark); margin: 0 0 12px; }
.page-hero p { color: var(--color-text-muted); max-width: 680px; margin: 0; font-size: 1.05rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 10px;
}

/* ===== Sections ===== */
section { padding: 64px 0; }
section.alt { background: var(--color-bg-alt); }

h2 { font-size: 1.8rem; color: var(--color-primary-dark); margin: 0 0 14px; }
h3 { font-size: 1.2rem; color: var(--color-primary-dark); margin: 0 0 8px; }

.section-intro { max-width: 680px; color: var(--color-text-muted); margin-bottom: 40px; }

/* ===== Grid / Cards ===== */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.card p { color: var(--color-text-muted); margin: 0; }

/* ===== Blog ===== */
.post-card { display: flex; flex-direction: column; }
.post-meta { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 8px; }
.post-card h3 a { color: var(--color-primary-dark); }
.post-card .excerpt { color: var(--color-text-muted); margin: 10px 0 16px; }
.post-card .read-more { font-weight: 600; font-size: 0.9rem; }

article.post-body { max-width: 720px; }
article.post-body h2 { margin-top: 32px; }
article.post-body p { margin: 0 0 18px; color: var(--color-text); }
article.post-body ul { color: var(--color-text); }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

form .field { margin-bottom: 18px; }
form label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
form input, form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  background: var(--color-surface);
}
form textarea { resize: vertical; min-height: 130px; }
form input:focus, form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-info-card {
  background: var(--color-primary-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px;
}
.contact-info-card h3 { color: #fff; }
.contact-info-card a { color: #fff; text-decoration: underline; }
.contact-info-list { list-style: none; padding: 0; margin: 18px 0 0; }
.contact-info-list li { margin-bottom: 14px; font-size: 0.95rem; opacity: 0.95; }
.contact-info-list .label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.7; margin-bottom: 2px; }

.notice {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 18px;
}

/* ===== CTA banner ===== */
.cta-banner {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 24px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 48px 0 24px;
  margin-top: 64px;
}
.site-footer a { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 { color: #fff; margin: 0 0 14px; font-size: 0.95rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  font-size: 0.82rem;
  opacity: 0.75;
}

/* ===== Responsive nav ===== */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--color-border);
    display: none;
  }
  .nav-links.open { display: flex; }
}