/* ── Forge Landing Page & Blog Styles ─────────────────────────── */

/* ── CSS Variables (Dark Default) ─────────────────────────────── */
:root {
  --bg: #0C0C0F;
  --bg2: #131316;
  --bg3: #1C1C21;
  --surface: #17171C;
  --surface-hover: #212127;
  --surface-border: #28282F;
  --text: #F0F0F3;
  --text2: #9D9DA5;
  --text3: #6B6B74;
  --accent: #7C5CFC;
  --accent-soft: rgba(124, 92, 252, 0.12);
  --success: #32D74B;
  --warning: #FFD60A;
  --error: #FF453A;
  --radius: 12px;
  --radius-lg: 20px;
  --max-w: 1100px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"],
html.light {
  --bg: #F5F5F8 !important;
  --bg2: #EBEBEF !important;
  --bg3: #E0E0E6 !important;
  --surface: #FFFFFF !important;
  --surface-hover: #F0F0F4 !important;
  --surface-border: #D4D4DA !important;
  --text: #18181B !important;
  --text2: #5C5C66 !important;
  --text3: #8C8C96 !important;
  --accent: #6B4ED6 !important;
  --accent-soft: rgba(107, 78, 214, 0.1) !important;
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Container ────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Nav ──────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(12, 12, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--surface-border);
  transition: background var(--transition);
}
.light .nav { background: rgba(245, 245, 248, 0.85); }
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo { font-size: 18px; font-weight: 700; letter-spacing: 3px; color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text2); font-size: 14px; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  background: none; border: none; cursor: pointer; color: var(--text3);
  font-size: 20px; padding: 6px; border-radius: 8px;
  transition: all var(--transition);
}
.theme-toggle:hover { color: var(--text); background: var(--accent-soft); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 999px; font-size: 14px; font-weight: 600;
  border: none; cursor: pointer; transition: all var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--surface-border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft); color: var(--accent);
  padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px); font-weight: 800;
  line-height: 1.1; letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub {
  font-size: clamp(16px, 2.5vw, 20px); color: var(--text2);
  max-width: 560px; margin: 0 auto 40px; line-height: 1.6;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Features ─────────────────────────────────────────────────── */
.features { padding: 80px 0; }
.section-label {
  text-align: center; font-size: 12px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section-title {
  text-align: center; font-size: clamp(28px, 4vw, 40px); font-weight: 700;
  margin-bottom: 16px;
}
.section-sub {
  text-align: center; color: var(--text2); font-size: 16px;
  max-width: 500px; margin: 0 auto 56px;
}
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: all var(--transition);
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--accent-soft); display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text2); font-size: 14px; line-height: 1.6; }

/* ── How It Works ─────────────────────────────────────────────── */
.how-it-works { padding: 80px 0; }
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  counter-reset: step;
}
.step {
  text-align: center; counter-increment: step;
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; margin: 0 auto 16px;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text2); font-size: 14px; }

/* ── Download ─────────────────────────────────────────────────── */
.download {
  padding: 80px 0;
  text-align: center;
}
.download-card {
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg); padding: 48px;
  max-width: 600px; margin: 0 auto;
}
.download-card img { margin: 24px auto; border-radius: var(--radius); }
.download-card p { color: var(--text2); font-size: 14px; margin-top: 16px; }

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--surface-border);
  padding: 40px 0;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { color: var(--text3); font-size: 13px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text3); font-size: 13px; transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }

/* ── Blog ─────────────────────────────────────────────────────── */
.blog-header { padding: 140px 0 40px; text-align: center; }
.blog-header h1 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.blog-header p { color: var(--text2); font-size: 16px; }

.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px; padding: 0 0 80px;
}
.blog-card {
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: all var(--transition); text-decoration: none; color: var(--text);
  display: block;
}
.blog-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.blog-card-date { font-size: 12px; color: var(--text3); margin-bottom: 12px; }
.blog-card h2 { font-size: 20px; font-weight: 700; margin-bottom: 12px; line-height: 1.3; }
.blog-card p { color: var(--text2); font-size: 14px; line-height: 1.6; }
.blog-card-tag {
  display: inline-block; margin-top: 16px;
  background: var(--accent-soft); color: var(--accent);
  padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
}

/* ── Blog Post ────────────────────────────────────────────────── */
.post { padding: 140px 0 80px; }
.post-header { margin-bottom: 48px; }
.post-header h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.post-meta { color: var(--text3); font-size: 14px; }
.post-body { max-width: 720px; }
.post-body h2 { font-size: 24px; font-weight: 700; margin: 40px 0 16px; }
.post-body h3 { font-size: 20px; font-weight: 600; margin: 32px 0 12px; }
.post-body p { color: var(--text2); font-size: 16px; line-height: 1.8; margin-bottom: 20px; }
.post-body ul, .post-body ol { color: var(--text2); font-size: 16px; line-height: 1.8; margin-bottom: 20px; padding-left: 24px; }
.post-body li { margin-bottom: 8px; }
.post-body strong { color: var(--text); }
.post-body blockquote {
  border-left: 3px solid var(--accent); padding: 12px 24px;
  margin: 24px 0; background: var(--accent-soft); border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic; color: var(--text2);
}
.post-cta {
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
  margin-top: 48px;
}
.post-cta h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.post-cta p { color: var(--text2); font-size: 14px; margin-bottom: 20px; }
.post-back { display: inline-flex; align-items: center; gap: 6px; color: var(--text3); font-size: 14px; margin-bottom: 24px; }
.post-back:hover { color: var(--accent); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 120px 0 60px; }
  .features-grid, .steps { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .download-card { padding: 32px 24px; }
}