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

:root {
  --blue: #475d55;
  --blue-dark: #344840;
  --navy: #2a3830;
  --slate: #3a4a44;
  --gray: #6b7c76;
  --light: #f0f4f2;
  --white: #ffffff;
  --border: #d6e0dc;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --radius: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--slate);
  background: var(--white);
  line-height: 1.7;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; text-decoration: none; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-phone { color: var(--navy); font-weight: 700; font-size: 0.95rem; text-decoration: none; white-space: nowrap; }
.nav-phone:hover { color: var(--blue); }
.nav-cta {
  background: var(--blue); color: white; padding: 9px 20px; border-radius: 8px;
  font-size: 0.875rem; font-weight: 600; text-decoration: none; transition: background 0.2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--blue-dark); }
@media (max-width: 520px) { .nav-phone span { display: none; } }

/* ── ARTICLE ── */
.article-hero {
  background: linear-gradient(135deg, #e8eeeb 0%, #ffffff 60%);
  padding: 110px 24px 48px;
}
.article-wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.breadcrumb { font-size: 0.8rem; color: var(--gray); margin-bottom: 16px; }
.breadcrumb a { color: var(--blue); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.article-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; color: var(--navy);
  line-height: 1.2; letter-spacing: -0.5px; max-width: 720px; margin: 0 auto;
}
.article-meta { max-width: 720px; margin: 14px auto 0; font-size: 0.85rem; color: var(--gray); }

article { padding: 40px 0 60px; }
article h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.7rem); font-weight: 800; color: var(--navy);
  letter-spacing: -0.3px; margin: 38px 0 14px;
}
article h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin: 26px 0 10px; }
article p { margin-bottom: 18px; color: var(--slate); font-size: 1.02rem; }
article ul { margin: 0 0 18px 22px; }
article li { margin-bottom: 8px; color: var(--slate); }
article strong { color: var(--navy); }
article a { color: var(--blue); }
.lead { font-size: 1.12rem; color: var(--gray); }

/* ── CTA BOX ── */
.cta-box {
  background: var(--light); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; margin: 40px 0 10px; text-align: center;
}
.cta-box h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: 8px; }
.cta-box p { color: var(--gray); font-size: 0.95rem; margin-bottom: 20px; }
.btn-primary {
  background: var(--blue); color: white; padding: 14px 28px; border-radius: 10px;
  font-size: 1rem; font-weight: 700; text-decoration: none; display: inline-block;
  transition: background 0.2s, transform 0.1s;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* ── RELATED ── */
.related { border-top: 1px solid var(--border); padding-top: 28px; margin-top: 10px; }
.related h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--blue); margin-bottom: 14px; }
.related a { display: block; color: var(--navy); font-weight: 600; text-decoration: none; margin-bottom: 10px; font-size: 0.98rem; }
.related a:hover { color: var(--blue); }

/* ── FOOTER ── */
footer {
  background: var(--navy); color: #a8b8b3; padding: 44px 24px 32px; text-align: center; font-size: 0.85rem;
}
footer .foot-brand img { height: 34px; filter: brightness(0) invert(0.85); margin-bottom: 14px; }
footer .foot-line { margin-bottom: 8px; line-height: 1.7; }
footer a { color: #8fc5b3; text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .copyright { margin-top: 18px; font-size: 0.78rem; color: #6b7c76; }