/* ========================================
   CowboyChoi — Visual Brand Guidelines
   Colors: Saddle brown, denim blue, warm neutrals
   Typography: Clean + slightly refined
   ======================================== */

:root {
  --saddle: #8B5A2B;
  --saddle-dark: #6B4423;
  --denim: #3A5A7A;
  --cream: #F7F3EB;
  --warm-white: #FDFBF7;
  --charcoal: #2C2A26;
  --muted: #6B6560;
  --border: #E8E2D9;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  --max-width: 1100px;
  --narrow: 680px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--charcoal);
  background: var(--warm-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container.narrow {
  max-width: var(--narrow);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--saddle-dark);
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--saddle-dark);
}

/* Hero */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: linear-gradient(180deg, var(--cream) 0%, var(--warm-white) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--saddle);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--charcoal);
  margin-bottom: var(--space-md);
}

.tagline {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: 6px;
  transition: all 0.15s ease;
  border: 1.5px solid transparent;
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--saddle);
  color: white;
}

.btn-primary:hover {
  background: var(--saddle-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--saddle-dark);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--saddle);
  background: var(--cream);
}

/* Intro */
.intro {
  padding: var(--space-xl) 0;
}

.lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--charcoal);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.intro p {
  color: var(--muted);
  font-size: 1.05rem;
}

/* Latest Essays */
.latest {
  padding: var(--space-xl) 0;
  background: var(--cream);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.section-header h2,
.section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--charcoal);
}

.text-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--saddle);
}

.text-link:hover {
  text-decoration: underline;
}

.essay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.essay-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.essay-card:hover {
  border-color: #d4c9b8;
  box-shadow: 0 4px 20px rgba(139, 90, 43, 0.06);
}

.essay-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 500;
}

.category {
  color: var(--saddle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.date {
  color: var(--muted);
}

.essay-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.essay-card h3 a:hover {
  color: var(--saddle-dark);
}

.essay-card p {
  font-size: 0.925rem;
  color: var(--muted);
  line-height: 1.55;
}

/* Pillars */
.pillars {
  padding: var(--space-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.pillar h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--saddle-dark);
  margin-bottom: 0.6rem;
}

.pillar p {
  font-size: 0.975rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Page Header */
.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--cream);
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* About */
.about-content {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.about-content p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
}

.about-content .lead {
  color: var(--charcoal);
  font-weight: 500;
}

/* Essays List */
.essays-list {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.essay-item {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.essay-item:first-child {
  padding-top: 0;
}

.essay-item h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.essay-item h2 a:hover {
  color: var(--saddle-dark);
}

.essay-item .excerpt {
  color: var(--muted);
  font-size: 0.975rem;
  margin-top: 0.5rem;
}

/* Essay Single */
.essay-header {
  padding: var(--space-xl) 0 var(--space-md);
  background: var(--cream);
  border-bottom: 1px solid var(--border);
}

.essay-header .essay-meta {
  margin-bottom: 1rem;
}

.essay-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  max-width: 720px;
}

.essay-body {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.essay-body .container.narrow {
  max-width: 640px;
}

.essay-body p {
  margin-bottom: 1.35rem;
  font-size: 1.075rem;
  line-height: 1.75;
  color: var(--charcoal);
}

.essay-body h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--charcoal);
}

.essay-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--saddle-dark);
}

.essay-body ul, 
.essay-body ol {
  margin: 0 0 1.35rem 1.4rem;
  color: var(--charcoal);
}

.essay-body li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
  font-size: 1.05rem;
}

.essay-body blockquote {
  margin: 2rem 0;
  padding: 1rem 0 1rem 1.25rem;
  border-left: 3px solid var(--saddle);
  color: var(--muted);
  font-style: italic;
  font-size: 1.1rem;
}

.essay-body strong {
  font-weight: 600;
}

.essay-body em {
  font-style: italic;
}

.essay-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--muted);
}

/* Newsletter */
.newsletter {
  padding: var(--space-2xl) 0;
  background: var(--cream);
  border-top: 1px solid var(--border);
}

.newsletter-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
}

.newsletter-card h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.newsletter-card > p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 420px;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 0.6rem;
  max-width: 420px;
  margin: 0 auto 0.85rem;
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: var(--warm-white);
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.15s ease;
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--saddle);
}

.newsletter-form input[type="email"]::placeholder {
  color: #A39E96;
}

.newsletter-form .btn {
  white-space: nowrap;
  padding: 0.75rem 1.3rem;
}

.newsletter-note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  background: var(--charcoal);
  color: #C8C0B6;
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.footer-brand .logo {
  color: #F0E9DF;
  display: block;
  margin-bottom: 0.35rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: #9A9187;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #C8C0B6;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid #3F3B36;
  font-size: 0.8rem;
  color: #7A726A;
}

/* Responsive */
@media (max-width: 640px) {
  .header-inner {
    height: 56px;
  }
  
  .nav {
    gap: 1.1rem;
  }
  
  .nav-link {
    font-size: 0.85rem;
  }
  
  .hero {
    padding: var(--space-xl) 0 var(--space-lg);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 1.5rem;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-card {
    padding: 1.75rem;
  }
}