/* ── Shared blog stylesheet ────────────────────────────────────────── */
/* Used by blog/index.html and all blog post pages                    */

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

:root {
  --rich-black:    #0F1218;
  --silver-lake:   #6B8C99;
  --eggshell:      #F0EAD6;
  --white:         #ffffff;
  --purple-mid:    #742fff;
  --purple-light:  #8d48ff;
  --purple-pale:   rgba(180,160,255,0.7);
  --purple-border: rgba(100,80,220,0.25);
  --text-main:     #1a1a1a;
  --text-muted:    #666666;
  --radius-sm:     8px;
  --radius-md:     12px;
  --shadow-card:   0 8px 32px rgba(0,0,0,0.10);
  --shadow-dark:   0 8px 32px rgba(0,0,0,0.30);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'League Spartan', Geneva, Verdana, sans-serif;
  color: var(--text-main);
  background: var(--white);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(140,100,255,0.25); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.05); }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); border-radius: 4px; }

/* ── Font import ────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=League+Spartan:wght@400;500;600;700;800&display=swap');

/* ── Utility ────────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(140,100,255,0.1);
  border: 1px solid rgba(140,100,255,0.25);
  border-radius: 99px;
  padding: 4px 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: 'League Spartan', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-primary  { background: var(--rich-black); color: var(--white); }
.btn-primary:hover { background: var(--silver-lake); transform: translateY(-2px); }
.btn-outline  { background: transparent; color: var(--rich-black); border: 1.5px solid var(--rich-black); }
.btn-outline:hover { background: rgba(0,0,0,0.05); transform: translateY(-2px); }
.btn-purple   { background: var(--purple-mid); color: var(--white); }
.btn-purple:hover { background: var(--purple-light); transform: translateY(-2px); }

/* ── Nav ────────────────────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'League Spartan', sans-serif;
  font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em;
  color: var(--rich-black);
}
.nav-logo img { width: 34px; height: 34px; border-radius: 7px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--text-muted); transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--rich-black); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

/* ── Footer ─────────────────────────────────────────────────────── */
footer { background: var(--rich-black); color: rgba(255,255,255,0.5); padding: 48px 24px; margin-top: auto; }
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer-logo {
  font-family: 'League Spartan', sans-serif; font-size: 1.3rem; font-weight: 800;
  letter-spacing: -0.02em; color: rgba(255,255,255,0.85);
  display: flex; align-items: center; gap: 10px;
}
.footer-logo img { width: 28px; height: 28px; border-radius: 6px; opacity: 0.9; }
.footer-links { display: flex; gap: 28px; list-style: none; }
.footer-links a { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; transition: color 0.2s; }
.footer-links a:hover { color: rgba(255,255,255,0.9); }
.footer-copy { font-size: 0.8rem; }

/* ── Blog index page ────────────────────────────────────────────── */
.blog-hero {
  background: linear-gradient(160deg, #0a0c14 0%, #14102a 50%, #0F1218 100%);
  color: var(--white);
  padding: 80px 24px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: ''; position: absolute; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(116,47,255,0.15) 0%, transparent 70%);
  top: -200px; left: 50%; transform: translateX(-50%); pointer-events: none;
}
.blog-hero-content { position: relative; z-index: 1; }
.blog-hero-eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--purple-pale); margin-bottom: 16px;
}
.blog-hero-title {
  font-family: 'League Spartan', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 30%, rgba(180,160,255,0.9) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.blog-hero-sub {
  font-size: 1.05rem; color: rgba(255,255,255,0.55);
  max-width: 520px; margin: 0 auto; line-height: 1.7;
}

.blog-index-main { padding: 72px 24px; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.blog-card {
  background: var(--white);
  border: 1px solid #e8e8f0;
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}
.blog-card-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px;
}
.blog-card-tag {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 99px;
  background: rgba(140,100,255,0.08); color: var(--purple-light);
  border: 1px solid rgba(140,100,255,0.2);
}
.blog-card-date {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px;
}
.blog-card-title {
  font-family: 'League Spartan', sans-serif;
  font-size: 1.15rem; font-weight: 800; line-height: 1.2;
  letter-spacing: -0.01em; margin-bottom: 10px; color: var(--rich-black);
}
.blog-card-excerpt {
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.65;
  flex: 1; margin-bottom: 20px;
}
.blog-card-link {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--purple-mid);
  display: flex; align-items: center; gap: 6px; transition: gap 0.2s;
}
.blog-card-link:hover { gap: 10px; }

/* ── Blog post page ─────────────────────────────────────────────── */
.post-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.breadcrumb {
  margin-bottom: 36px;
}
.breadcrumb ol {
  display: flex; align-items: center; gap: 8px;
  list-style: none; flex-wrap: wrap;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-muted);
}
.breadcrumb ol li + li::before { content: '/'; margin-right: 8px; color: #ccc; }
.breadcrumb a { color: var(--text-muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--purple-mid); }
.breadcrumb [aria-current="page"] { color: var(--text-main); }

.post-header { margin-bottom: 48px; }

.post-tags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px;
}
.post-tag {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 99px;
  background: rgba(140,100,255,0.1); color: var(--purple-light);
  border: 1px solid rgba(140,100,255,0.25);
}

.post-title {
  font-family: 'League Spartan', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 16px; color: var(--rich-black);
}

.post-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 0.82rem; font-weight: 600; color: var(--text-muted);
  margin-bottom: 20px;
}
.post-meta time { color: var(--text-muted); }
.post-meta .post-author::before { content: '·'; margin-right: 16px; }

.post-lead {
  font-size: 1.05rem; color: var(--text-muted);
  line-height: 1.75; border-left: 3px solid var(--purple-mid);
  padding-left: 20px; margin-top: 20px;
}

/* ── Post body typography ───────────────────────────────────────── */
.post-body {
  font-size: 1rem;
  line-height: 1.8;
  color: #2a2a2a;
}
.post-body h2 {
  font-family: 'League Spartan', sans-serif;
  font-size: 1.5rem; font-weight: 800;
  letter-spacing: -0.01em; line-height: 1.2;
  margin: 40px 0 12px; color: var(--rich-black);
}
.post-body h3 {
  font-family: 'League Spartan', sans-serif;
  font-size: 1.15rem; font-weight: 700;
  margin: 28px 0 10px; color: var(--rich-black);
}
.post-body p { margin-bottom: 20px; }
.post-body p:last-child { margin-bottom: 0; }
.post-body strong { font-weight: 700; color: var(--rich-black); }
.post-body ul {
  list-style: none; margin: 0 0 20px; padding: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.post-body ul li {
  padding-left: 20px; position: relative;
}
.post-body ul li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--purple-mid); font-weight: 700;
}
.post-body code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85em;
  background: rgba(116,47,255,0.08);
  border: 1px solid rgba(116,47,255,0.15);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--purple-mid);
}
.post-body pre {
  background: var(--rich-black);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}
.post-body pre code {
  background: none; border: none; padding: 0;
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem; line-height: 1.7;
}
.post-body blockquote {
  border-left: 3px solid var(--silver-lake);
  padding-left: 20px;
  color: var(--text-muted);
  font-style: italic;
  margin: 24px 0;
}
.post-body .callout {
  background: rgba(116,47,255,0.06);
  border: 1px solid rgba(116,47,255,0.15);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 28px 0;
}
.post-body .callout strong { display: block; margin-bottom: 6px; color: var(--purple-mid); }
.post-body hr {
  border: none; border-top: 1px solid #e8e8f0;
  margin: 40px 0;
}

/* ── Post nav (prev/next) ───────────────────────────────────────── */
.post-nav {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  border-top: 1px solid #e8e8f0;
  padding-top: 32px; margin-top: 56px;
}
.post-nav-link {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--purple-mid);
  display: flex; align-items: center; gap: 8px;
  transition: gap 0.2s;
  max-width: 45%;
}
.post-nav-link:hover { color: var(--purple-light); }
.post-nav-link.prev { flex-direction: row; }
.post-nav-link.next { flex-direction: row; margin-left: auto; }
.post-nav-back {
  display: block; text-align: center; margin-top: 20px;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-muted);
  transition: color 0.2s;
}
.post-nav-back:hover { color: var(--purple-mid); }

/* ── Blog index: section header ─────────────────────────────────── */
.section-header { margin-bottom: 8px; }
.section-title {
  font-family: 'League Spartan', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800; line-height: 1.1;
  margin-bottom: 12px; letter-spacing: -0.02em;
}
.section-sub {
  font-size: 1rem; color: var(--text-muted); max-width: 560px; line-height: 1.7;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .nav-links { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .post-nav-link { max-width: 100%; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
}
@media (max-width: 480px) {
  .post-container { padding: 32px 16px 64px; }
}