/* ==========================================================
   ISZ Pages — Shared Design System
   Timothy E. Reed, CPP
   Palette: Arctic / Intelligence / Navy-Steel-Ice
   ========================================================== */

:root {
  --navy: #0B1D33;
  --steel: #3A4F6A;
  --ice: #B8D4E3;
  --ice-light: #E4EFF5;
  --frost: #F4F8FB;
  --white: #FFFFFF;
  --accent: #4A90B8;
  --text: #1A2A3A;
  --text-muted: #5A6A7A;
  --border: #D0DCE6;
}

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

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* LAYOUT */
.container { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 780px; margin: 0 auto; padding: 0 24px; }

/* HERO */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--steel) 100%);
  color: var(--white);
  padding: 80px 0 60px;
}
.hero--centered { text-align: center; padding: 80px 0 64px; }
.hero__inner { display: flex; align-items: center; gap: 40px; }
.hero__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
  line-height: 1.2;
}
.hero--centered h1 { font-size: 36px; margin-bottom: 16px; }
.hero__credential {
  font-size: 15px;
  color: var(--ice);
  margin-bottom: 12px;
}
.hero__tagline {
  font-size: 18px;
  font-weight: 400;
  color: var(--ice-light);
  line-height: 1.5;
}
.hero__subtitle {
  font-size: 18px;
  color: var(--ice-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* HERO PHOTO */
.hero__photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--ice);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--steel);
}
.hero__photo-placeholder {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--ice);
  flex-shrink: 0;
  background: var(--steel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 600;
  color: var(--ice);
}

/* HERO LINKS */
.hero__links { margin-top: 20px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero__links a {
  color: var(--ice);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 16px;
  border: 1px solid rgba(184, 212, 227, 0.4);
  border-radius: 4px;
  transition: all 0.2s;
}
.hero__links a:hover {
  background: rgba(184, 212, 227, 0.15);
  border-color: var(--ice);
}

/* SECTIONS */
.section { padding: 56px 0; border-bottom: 1px solid var(--border); }
.section:last-of-type { border-bottom: none; }
.section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.3px;
}
.section p {
  font-size: 16px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 16px;
}
.section p:last-child { margin-bottom: 0; }

/* CARDS */
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card-grid--thirds { grid-template-columns: 1fr 1fr 1fr; }
.card {
  background: var(--frost);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
}
.card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.card a {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.card a:hover { text-decoration: underline; }

/* BOOK SECTION */
.book-layout { display: flex; gap: 32px; align-items: flex-start; }
.book-cover {
  width: 180px;
  flex-shrink: 0;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.book-cover-placeholder {
  width: 180px;
  height: 260px;
  flex-shrink: 0;
  border-radius: 4px;
  background: linear-gradient(160deg, var(--navy), var(--steel));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  color: var(--ice);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.book-links { margin-top: 16px; }
.book-links a {
  display: inline-block;
  margin-right: 16px;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.book-links a:hover { text-decoration: underline; }

/* FOCUS TAGS */
.focus-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.focus-tag {
  background: var(--ice-light);
  color: var(--steel);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}

/* FRAMEWORK BOX */
.framework-box {
  background: var(--frost);
  border-left: 4px solid var(--accent);
  padding: 32px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
}
.framework-box h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.framework-box p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 12px;
}
.framework-box p:last-child { margin-bottom: 0; }

/* LOGO ROW */
.logo-row { display: flex; gap: 32px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
.logo-item { font-size: 15px; font-weight: 600; color: var(--steel); }

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
}
.btn--primary { background: var(--navy); color: var(--white); }
.btn--primary:hover { background: var(--steel); }
.btn--outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--large { padding: 14px 36px; font-size: 16px; }
.btn-row { display: flex; gap: 16px; margin-top: 16px; flex-wrap: wrap; }

/* INLINE LINK */
.link { color: var(--accent); font-weight: 600; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* CTA SECTION */
.cta {
  text-align: center;
  padding: 64px 0;
  background: var(--frost);
}
.cta h2 { margin-bottom: 12px; }
.cta p { color: var(--text-muted); margin-bottom: 24px; }

/* FOOTER */
.footer {
  background: var(--navy);
  color: var(--ice);
  padding: 32px 0;
  text-align: center;
  font-size: 14px;
}
.footer a { color: var(--ice-light); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* RESPONSIVE */
@media (max-width: 680px) {
  .hero__inner { flex-direction: column; text-align: center; }
  .hero__links { justify-content: center; }
  .book-layout { flex-direction: column; align-items: center; text-align: center; }
  .card-grid, .card-grid--thirds { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
  .hero--centered h1 { font-size: 28px; }
}