/* ============================================
   Leovaa Blog — Shared Stylesheet
   Matches Leovaa brand design language
   ============================================ */

:root {
  --bg: #06060A;
  --bg-elev: #0D0D14;
  --text: #F5F5F7;
  --text-2: rgba(245, 245, 247, 0.62);
  --text-3: rgba(245, 245, 247, 0.38);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --pill-bg: rgba(255, 255, 255, 0.06);
  --pill-active-bg: rgba(255, 255, 255, 0.10);
  --accent: #C1502E;
  --accent-2: #7B3FF2;
  --accent-3: #F2A15C;
  --green: #10B981;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.008em; min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.wordmark { display: block; width: 100%; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 720px; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  padding: 18px 0;
  background: rgba(6, 6, 10, 0.72);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-brand { display: flex; align-items: center; flex-shrink: 0; }
.nav-brand .wordmark { width: 96px; }
.nav-tabs {
  display: flex; gap: 4px; padding: 4px;
  border-radius: 999px; background: var(--pill-bg);
  border: 1px solid var(--border); margin: 0 auto;
}
.nav-tab {
  padding: 8px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  color: var(--text-2); transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-tab:hover { color: var(--text); }
.nav-tab.active { background: var(--pill-active-bg); color: var(--text); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 999px;
  background: var(--text); color: var(--bg);
  font-size: 14px; font-weight: 600;
  transition: transform 0.2s ease, opacity 0.2s ease;
  flex-shrink: 0;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
@media (max-width: 860px) { .nav-tabs { display: none; } }
@media (max-width: 560px) {
  .nav { padding: 14px 0; }
  .nav-brand .wordmark { width: 80px; }
  .nav-cta { padding: 9px 16px; font-size: 13px; }
}

/* ============ BLOG INDEX PAGE ============ */
.page { padding: 72px 0 120px; }
.page-header { margin-bottom: 72px; max-width: 720px; }
.page-header .eyebrow {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 20px;
}
.page-header h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600; letter-spacing: -0.036em;
  line-height: 1.06; margin-bottom: 20px;
}
.page-header .lede {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-2); line-height: 1.55;
}

/* ============ POST CARDS (index) ============ */
.post-grid { display: grid; gap: 20px; }
@media (min-width: 800px) { .post-grid { grid-template-columns: 1fr 1fr; } }

.post-card {
  display: block; padding: 36px 32px;
  border-radius: 22px; background: var(--bg-elev);
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s ease;
}
.post-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(193, 80, 46, 0.08) 0%, transparent 55%);
  pointer-events: none;
}
.post-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.post-card .post-meta {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-3); margin-bottom: 16px; position: relative;
}
.post-card h2 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.025em; line-height: 1.2;
  margin-bottom: 14px; color: var(--text); position: relative;
}
.post-card p {
  font-size: 15px; color: var(--text-2);
  line-height: 1.6; position: relative;
}
.post-card .read-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px; font-size: 14px;
  font-weight: 500; color: var(--text); position: relative;
}
.post-card .read-more::after {
  content: "→";
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.post-card:hover .read-more::after { transform: translateX(5px); }

/* ============ BLOG POST PAGE ============ */
.post-header { margin-bottom: 56px; max-width: 720px; }
.post-header .post-eyebrow {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-3); margin-bottom: 20px;
}
.post-header h1 {
  font-size: clamp(34px, 4.6vw, 52px);
  font-weight: 600; letter-spacing: -0.034em;
  line-height: 1.1; margin-bottom: 20px;
}
.post-header .post-meta {
  font-size: 14px; color: var(--text-3);
  letter-spacing: 0.02em;
}

.prose { max-width: 720px; }
.prose p {
  font-size: 17px; color: var(--text-2);
  line-height: 1.75; margin-bottom: 22px;
}
.prose p strong { color: var(--text); font-weight: 600; }
.prose h2 {
  font-size: 26px; font-weight: 600;
  letter-spacing: -0.028em; line-height: 1.2;
  color: var(--text); margin-top: 56px; margin-bottom: 20px;
}
.prose h3 {
  font-size: 20px; font-weight: 600;
  letter-spacing: -0.022em; line-height: 1.25;
  color: var(--text); margin-top: 40px; margin-bottom: 16px;
}
.prose ul, .prose ol {
  margin: 8px 0 24px 0; padding-left: 22px;
}
.prose li {
  font-size: 16.5px; color: var(--text-2);
  line-height: 1.7; margin-bottom: 10px;
}
.prose li strong { color: var(--text); font-weight: 600; }
.prose a {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: border-color 0.15s ease;
}
.prose a:hover { border-bottom-color: var(--text); }
.prose blockquote {
  border-left: 2px solid var(--accent-3);
  padding-left: 20px; margin: 24px 0;
  font-size: 18px; color: var(--text);
  font-style: italic; line-height: 1.65;
}

.post-cta {
  margin-top: 64px; padding: 40px 36px;
  border-radius: 24px; background: var(--bg-elev);
  border: 1px solid var(--border);
  text-align: center; position: relative; overflow: hidden;
}
.post-cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.10), transparent 65%);
  pointer-events: none;
}
.post-cta h3 {
  font-size: 24px; font-weight: 600;
  letter-spacing: -0.026em; margin-bottom: 12px;
  position: relative;
}
.post-cta p {
  font-size: 16px; color: var(--text-2);
  margin-bottom: 24px; position: relative;
  line-height: 1.55; max-width: 480px;
  margin-left: auto; margin-right: auto;
}
.post-cta .cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px;
  background: var(--green); color: #000;
  font-size: 15px; font-weight: 600;
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
}
.post-cta .cta-btn:hover { opacity: 0.9; transform: translateY(-2px); }

.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; color: var(--text-2);
  margin-bottom: 40px; transition: color 0.15s ease;
}
.back-link:hover { color: var(--text); }
.back-link::before { content: "←"; transition: transform 0.2s ease; }
.back-link:hover::before { transform: translateX(-4px); }

/* ============ FOOTER ============ */
.footer {
  padding: 64px 0 48px;
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-3);
  margin-top: 104px;
}
.footer-row {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 24px;
}
.footer-left { display: flex; flex-direction: column; gap: 12px; }
.footer-left .wordmark { width: 84px; opacity: 0.9; }
.footer-right { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.footer-right a { color: var(--text-2); transition: color 0.15s ease; }
.footer-right a:hover { color: var(--text); }
@media (max-width: 560px) {
  .footer { margin-top: 68px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
  .footer-right { gap: 20px; }
}