/* ============================================
   JASON LANDERS — jasonlanders.com
   Design: Clean, professional, dark-accent
   ============================================ */

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

:root {
  --black: #0a0a0a;
  --dark: #111827;
  --mid: #374151;
  --muted: #6B7280;
  --light: #F9FAFB;
  --white: #ffffff;
  --accent: #2563EB;
  --accent-dark: #1D4ED8;
  --accent-light: #EFF6FF;
  --border: #E5E7EB;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 1100px;
  --radius: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- NAV ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 17px;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--mid);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--dark); }

.btn-nav {
  background: var(--dark) !important;
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: background 0.15s !important;
}

.btn-nav:hover { background: var(--accent) !important; }

/* ---- HERO ---- */
.hero {
  padding: 80px 0;
  background: var(--white);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 64px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

.hero-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -1.5px;
  color: var(--black);
  margin-bottom: 20px;
}

.headline-accent {
  color: var(--accent);
  display: block;
}

.hero-sub {
  font-size: 17px;
  color: var(--mid);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--dark);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
}

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

.btn-secondary {
  background: transparent;
  color: var(--dark);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1.5px solid var(--border);
  transition: border-color 0.15s, color 0.15s;
  display: inline-flex;
  align-items: center;
}

.btn-secondary:hover {
  border-color: var(--dark);
  color: var(--black);
}

/* Hero right column */
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-card {
  background: var(--dark);
  border-radius: 16px;
  padding: 32px;
}

.hero-card-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #9CA3AF;
  margin-bottom: 12px;
}

.hero-card-desc {
  font-size: 15px;
  color: #D1D5DB;
  line-height: 1.65;
  margin-bottom: 20px;
}

.hero-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-card-list li {
  font-size: 14px;
  color: #9CA3AF;
  padding-left: 18px;
  position: relative;
}

.hero-card-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.hero-card-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}

.hero-card-btn:hover { background: var(--accent-dark); }

.hero-stats {
  display: flex;
  gap: 0;
  background: var(--light);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 20px 24px;
  flex: 1;
  border-right: 1px solid var(--border);
}

.stat:last-child { border-right: none; }

.stat-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  line-height: 1.3;
}

/* ---- NEWSLETTER ---- */
.newsletter {
  background: var(--dark);
  padding: 80px 0;
}

.newsletter-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.newsletter-text h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.newsletter-text p {
  color: #9CA3AF;
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.newsletter-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.newsletter-bullets li {
  color: #D1D5DB;
  font-size: 15px;
  padding-left: 20px;
  position: relative;
}

.newsletter-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.form-label {
  color: #9CA3AF;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.newsletter-form form {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid #374151;
  background: #1F2937;
  color: var(--white);
  font-size: 15px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}

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

.newsletter-form button {
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s;
  white-space: nowrap;
}

.newsletter-form button:hover { background: var(--accent-dark); }

.form-note {
  color: #6B7280;
  font-size: 13px;
}

/* ---- WRITING ---- */
.writing {
  padding: 96px 0;
  background: var(--light);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.section-sub {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 48px;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.post-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}

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

.post-card.featured {
  grid-column: span 2;
  background: var(--dark);
  border-color: transparent;
}

.post-card.featured .post-tag { background: rgba(37,99,235,0.2); color: #93C5FD; }
.post-card.featured h3 a { color: var(--white); }
.post-card.featured p { color: #9CA3AF; }
.post-card.featured .post-read { color: #93C5FD; }

.post-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.post-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
  letter-spacing: -0.3px;
}

.post-card h3 a {
  color: var(--dark);
  text-decoration: none;
  transition: color 0.15s;
}

.post-card h3 a:hover { color: var(--accent); }

.post-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.post-read {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
}

.post-read:hover { opacity: 0.75; }

.writing-cta { text-align: center; }

/* ---- AI PROMPTS ---- */
.prompts {
  padding: 96px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.prompts-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}

.prompts-subscribe {
  white-space: nowrap;
  flex-shrink: 0;
}

.prompts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.prompt-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.prompt-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.prompt-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.prompt-level {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.prompt-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.2px;
}

.prompt-desc {
  font-size: 14px;
  color: var(--mid);
  line-height: 1.6;
}

.prompt-box {
  background: #0F172A;
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
}

.prompt-box pre {
  font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.65;
  color: #E2E8F0;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

.prompt-note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  font-style: italic;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 4px;
}

.prompts-footer {
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

.prompts-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.prompts-footer a:hover { text-decoration: underline; }

/* ---- ABOUT ---- */
.about {
  padding: 96px 0;
  background: var(--white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}

.about-text h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.about-text p {
  color: var(--mid);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 18px;
}

.about-links {
  display: flex;
  gap: 24px;
  margin-top: 32px;
}

.about-links a {
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: opacity 0.15s;
}

.about-links a:hover { opacity: 0.75; }

.about-credentials {
  background: var(--light);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--border);
}

.about-credentials h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.cred-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cred-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.cred-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.cred-co {
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
}

.cred-role {
  font-size: 13px;
  color: var(--muted);
}

/* ---- FOOTER ---- */
.footer {
  background: var(--black);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-left { display: flex; flex-direction: column; gap: 4px; }

.footer-name {
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
}

.footer-tagline {
  color: #6B7280;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: #9CA3AF;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}

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

.footer-copy {
  color: #4B5563;
  font-size: 13px;
  padding-top: 24px;
  border-top: 1px solid #1F2937;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .hero-card { display: none; }
  .hero-stats { display: flex; gap: 0; }
}

@media (max-width: 768px) {
  .nav-links { gap: 10px; }
  .nav-links a { font-size: 13px; }
  .nav-link-prompts { display: none; }
  .hero { padding: 64px 0 56px; }
  .newsletter-inner { grid-template-columns: 1fr; gap: 40px; }
  .prompts-grid { grid-template-columns: 1fr; }
  .prompts-header { flex-direction: column; align-items: flex-start; }
  .posts-grid { grid-template-columns: 1fr; }
  .post-card.featured { grid-column: span 1; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .nav-links .btn-nav { display: none; }
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}