:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #1f4e45;
  --accent-light: #e3eae7;
  --highlight: #9f3d33;
  --line: #d9d6d0;
  --max: 1120px;
  --font-body: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-ui: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
}

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

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--highlight); }

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 1rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container { width: min(92%, var(--max)); margin: 0 auto; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
}

.logo {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: block;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.nav-menu[aria-hidden="false"] { display: flex; }

.nav-menu a {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.35rem 0;
  display: block;
}

@media (min-width: 820px) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: flex !important;
    flex-direction: row;
    position: static;
    border: none;
    box-shadow: none;
    padding: 0;
    gap: 1.4rem;
  }
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-ui);
  line-height: 1.2;
  margin: 0 0 1rem;
}

h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); font-weight: 700; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 600; margin-top: 2.6rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-top: 1.8rem; }

p, ul, ol { margin: 0 0 1.2rem; }

.lead { font-size: 1.25rem; line-height: 1.55; color: var(--muted); }

.small { font-family: var(--font-ui); font-size: 0.85rem; color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .1s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #163a33; color: #fff; }
.btn-secondary { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-secondary:hover { background: var(--accent-light); color: var(--accent); }

/* Sections */
section { padding: 3rem 0; }

.hero {
  background: var(--surface);
  padding: 4rem 0 3.2rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 760px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.hero-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 10px;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) { .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 920px) { .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.6rem;
}

.card h3 { margin-top: 0; }

.article-card {
  display: grid;
  gap: 1rem;
}

.article-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
}

.feature-list {
  list-style: none;
  padding: 0;
}
.feature-list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.7rem;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.disclaimer {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.2rem;
  border-radius: 6px;
  font-size: 0.98rem;
  margin: 2rem 0;
}

.aside-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.4rem;
  margin: 1.5rem 0;
}

.split {
  display: grid;
  gap: 2rem;
}
@media (min-width: 760px) { .split { grid-template-columns: 1fr 1fr; } }

.page-hero {
  background: var(--accent);
  color: #fff;
  padding: 3.4rem 0 3rem;
}
.page-hero h1 { margin-bottom: 0.6rem; }
.page-hero p { color: rgba(255,255,255,0.88); margin: 0; }
.page-hero a { color: #e3eae7; }

/* Article */
.article-meta { font-family: var(--font-ui); font-size: 0.85rem; color: var(--muted); margin-bottom: 1.4rem; }
.article-body { max-width: 720px; }
.article-hero-img { margin: 1.4rem 0 2rem; border-radius: 10px; overflow: hidden; }
.article-hero-img img { width: 100%; height: 360px; object-fit: cover; }

blockquote {
  margin: 1.6rem 0;
  padding: 1rem 1.4rem;
  border-left: 4px solid var(--highlight);
  background: #fff;
  font-style: italic;
}

/* Contact form */
form { display: grid; gap: 1rem; }
label { font-family: var(--font-ui); font-size: 0.9rem; font-weight: 500; }
input, textarea, select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input.invalid, textarea.invalid, select.invalid, label.invalid { border-color: var(--highlight); color: var(--highlight); }
.checkbox { display: flex; gap: 0.6rem; align-items: flex-start; }
.checkbox input { width: auto; margin-top: 0.2rem; }
.form-status { font-family: var(--font-ui); font-size: 0.95rem; color: var(--accent); min-height: 1.5rem; }

.contact-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 760px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; } }

.address-block { font-style: normal; }

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  gap: 1.8rem;
}
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; } }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.4rem; }
.copyright { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }

/* 404 */
.error-page { text-align: center; padding: 5rem 0; }
.error-page h1 { font-size: 4rem; }

/* Utilities */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-2 { margin-bottom: 2rem; }
.tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}