/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark:       #0f172a;
  --dark-light: #1e293b;
  --green:      #166534;
  --green-light:#15803d;
  --white:      #ffffff;
  --off-white:  #f0fdf4;
  --cream:      #f8fafc;
  --text:       #0f172a;
  --text-muted: #4b5563;
  --border:     #e5e7eb;
  --border-green: #bbf7d0;
  --max-w:      780px;
  --max-w-wide: 1100px;
}

html { font-size: 18px; scroll-behavior: smooth; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ───────────────────────────────────────────────────────────── */
h2, h3, h4, nav, .label, .tag, .btn, .nav-links a, .footer-links a {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.6rem; line-height: 1.12; }
h2 { font-size: 1.8rem; line-height: 1.25; }
h3 { font-size: 1.25rem; line-height: 1.35; }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; }

p { margin-bottom: 1.2em; }
p:last-child { margin-bottom: 0; }

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-light); }

strong { font-weight: 700; }
em { font-style: italic; }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.container { max-width: var(--max-w-wide); margin: 0 auto; padding: 0 2rem; }
.container--narrow { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }

/* ── Navigation ───────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  color: var(--text);
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.nav-logo span { font-weight: 700; color: var(--text); }
.nav-logo:hover { color: var(--text); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--green); }
.nav-links a.active {
  color: var(--green);
  border-bottom: 2px solid var(--green);
  padding-bottom: 2px;
}

/* ── Tagline bar ──────────────────────────────────────────────────────────── */
.tagline-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 0.4rem 2rem;
}
.tagline-bar span {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  background: var(--white);
  padding: 5rem 2rem 4rem;
  border-bottom: 3px solid var(--green);
}

.hero-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

.hero-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.hero h1 {
  color: var(--text);
  font-size: 3rem;
  margin-bottom: 1.4rem;
}

.hero h1 em {
  color: var(--green);
  font-style: italic;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2rem;
  font-family: 'Georgia', serif;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.hero-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 3px solid var(--green);
  object-fit: cover;
  object-position: 60% 15%;
  flex-shrink: 0;
  align-self: center;
}

.hero-photo-placeholder {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 3px solid var(--green);
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--green);
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--green-light);
  color: var(--white);
}

.btn-text-link {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  border-bottom: 1px solid var(--green);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}
.btn-text-link:hover { opacity: 0.75; color: var(--green); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--dark-light);
  color: var(--white);
}

/* ── Section ──────────────────────────────────────────────────────────────── */
.section { padding: 5rem 2rem; }
.section--alt { background: var(--off-white); }
.section--dark { background: var(--dark); color: var(--white); }

.section-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.6rem;
}

.section h2 { margin-bottom: 1rem; }
.section--dark h2 { color: var(--white); }
.section-intro { color: var(--text-muted); max-width: 600px; margin-bottom: 3rem; }
.section--dark .section-intro { color: rgba(255,255,255,0.65); }

/* ── Article Cards ────────────────────────────────────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.article-card {
  border: 1px solid var(--border);
  border-top: 2px solid var(--green);
  padding: 1.8rem;
  background: var(--white);
  transition: box-shadow 0.2s, transform 0.2s;
}

.article-card:hover {
  box-shadow: 0 8px 32px rgba(15,23,42,0.08);
  transform: translateY(-2px);
}

.article-card-meta {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.article-card h3 { margin-bottom: 0.75rem; font-family: 'Georgia', serif; font-weight: 600; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--green); }

.article-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.read-more {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.read-more:hover { border-color: var(--green); color: var(--green); }

/* ── Topic Tags ───────────────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  background: var(--off-white);
  border: 1px solid var(--border-green);
  border-radius: 2px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin-right: 0.4rem;
  margin-bottom: 0.4rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* ── About Strip ──────────────────────────────────────────────────────────── */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-strip p { color: var(--text-muted); }

.pillars { margin-top: 2rem; }
.pillar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}
.pillar-icon {
  width: 36px;
  height: 36px;
  background: var(--off-white);
  border: 1px solid var(--border-green);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.pillar-text h4 {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}
.pillar-text p { font-size: 0.9rem; margin-bottom: 0; }

/* ── LinkedIn Teaser Banner ───────────────────────────────────────────────── */
.linkedin-banner {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 2rem;
  text-align: center;
}
.linkedin-banner h3 { color: var(--white); margin-bottom: 0.75rem; }
.linkedin-banner p { color: rgba(255,255,255,0.7); margin-bottom: 1.5rem; }

/* ── Contact Form ─────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 { margin-bottom: 1rem; }
.contact-info p { color: var(--text-muted); }
.contact-detail {
  margin-top: 1.5rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
}
.contact-detail strong { display: block; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.7rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.contact-detail a { color: var(--text); font-weight: 600; }

.form-group { margin-bottom: 1.4rem; }
.form-group label {
  display: block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: 'Georgia', serif;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* ── Article Page ─────────────────────────────────────────────────────────── */
.article-header {
  background: var(--dark);
  padding: 5rem 2rem 4rem;
  color: var(--white);
  border-bottom: 3px solid var(--green);
}
.article-header-inner { max-width: var(--max-w); margin: 0 auto; }
.article-header .article-meta {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
}
.article-header h1 { color: var(--white); margin-bottom: 1rem; }
.article-header .deck {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.article-body {
  max-width: var(--max-w);
  margin: 4rem auto;
  padding: 0 2rem;
}
.article-body h2 { margin: 2.5rem 0 1rem; }
.article-body h3 { margin: 2rem 0 0.75rem; }
.article-body p { margin-bottom: 1.4em; }
.article-body blockquote {
  border-left: 3px solid var(--green);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--off-white);
  font-style: italic;
  color: var(--text-muted);
}
.article-body ul, .article-body ol {
  margin: 1rem 0 1.4rem 1.5rem;
}
.article-body li { margin-bottom: 0.4em; }

.article-footer {
  max-width: var(--max-w);
  margin: 0 auto 4rem;
  padding: 2rem 2rem 0;
  border-top: 1px solid var(--border);
}
.linkedin-teaser {
  background: var(--off-white);
  border: 1px solid var(--border-green);
  border-top: 2px solid var(--green);
  padding: 1.8rem;
  margin-top: 2rem;
}
.linkedin-teaser h4 { margin-bottom: 0.5rem; color: var(--text); }
.linkedin-teaser p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 1rem; }

/* ── Page Header (About, Articles, Contact) ───────────────────────────────── */
.page-header {
  background: var(--dark);
  padding: 4rem 2rem 3.5rem;
  color: var(--white);
  border-bottom: 3px solid var(--green);
}
.page-header-inner { max-width: var(--max-w-wide); margin: 0 auto; }
.page-header .label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.75rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-weight: 600;
}
.page-header h1 { color: var(--white); font-size: 2.4rem; }
.page-header p { color: rgba(255,255,255,0.65); margin-top: 0.75rem; max-width: 520px; font-size: 1rem; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.5);
  padding: 3rem 2rem;
  border-top: 3px solid var(--green);
}
.footer-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-logo {
  color: var(--white);
  font-family: 'Georgia', serif;
  font-weight: 400;
  font-size: 1.05rem;
}
.footer-logo span { font-weight: 700; }
.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a {
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-copy { font-size: 0.75rem; font-family: 'Helvetica Neue', Arial, sans-serif; }

/* ── No-articles state ────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state p { max-width: 400px; margin: 0 auto; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-photo, .hero-photo-placeholder { margin: 0 auto; }
  .hero-cta { justify-content: center; }
  .about-strip { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .articles-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}