/* ========================================
   FlowForge — AI Workflow Encyclopedia
   Brand: Purple gradient (#6366f1 → #a855f7 → #ec4899)
   Dark theme
   Fonts: Tajawal (Arabic + Latin) — Google Fonts
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800&display=swap');

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

:root {
  --bg: #0a0a0f;
  --bg-card: #111118;
  --bg-card-hover: #161625;
  --bg-elevated: #1a1a28;
  --border: #1f1f35;
  --border-hover: #2d2d52;
  --text: #e0e0e8;
  --text-muted: #8888a0;
  --text-dim: #5a5a72;
  --accent-1: #6366f1;
  --accent-2: #a855f7;
  --accent-3: #ec4899;
  --green: #4ade80;
  --red: #ef4444;
  --yellow: #f59e0b;
  --radius: 10px;
  --radius-lg: 16px;
  --font-sans: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.5);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-3); }

img { max-width: 100%; height: auto; }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 1.5rem; }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,15,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}
.navbar { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-size: 1.35rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-logo a { color: inherit; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; list-style: none; }
.nav-links a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-lang-switch { display: flex; gap: 0.25rem; }
.nav-lang-switch a { padding: 0.25rem 0.6rem; border-radius: 6px; font-size: 0.8rem; font-weight: 600; border: 1px solid var(--border); background: var(--bg-card); }
.nav-lang-switch a.active { border-color: var(--accent-2); color: var(--accent-2); background: rgba(168,85,247,0.1); }

/* Hero */
.hero { padding: 4rem 0 3rem; text-align: center; }
.hero h1 {
  font-size: 3rem; font-weight: 800; line-height: 1.15;
  background: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 0.75rem;
}
.hero .subtitle { font-size: 1.2rem; color: var(--text-muted); max-width: 520px; margin: 0 auto 1.5rem; }
.hero .status-row { display: flex; gap: 0.75rem; justify-content: center; align-items: center; flex-wrap: wrap; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem; border-radius: 50px;
  font-size: 0.85rem; font-weight: 500;
  background: var(--bg-card); border: 1px solid var(--border);
}
.hero .badge.dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; }
.hero .badge.dot.green::before { background: var(--green); }
.hero .badge.dot.purple::before { background: var(--accent-2); }

/* Section */
.section { padding: 3rem 0; }
.section-title {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 1.75rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.section-title .flag { font-size: 1.5rem; }

/* Article Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem; }

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.5rem; transition: all 0.2s; display: flex; flex-direction: column; gap: 0.75rem;
}
.card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card .card-meta { display: flex; gap: 0.75rem; flex-wrap: wrap; font-size: 0.8rem; color: var(--text-dim); }
.card .card-meta span { display: inline-flex; align-items: center; gap: 0.3rem; }
.card h3 { font-size: 1.1rem; font-weight: 700; line-height: 1.4; color: var(--text); }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent-2); }
.card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
.card .card-tools { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: auto; }
.card .card-tool-tag { font-size: 0.75rem; padding: 0.2rem 0.55rem; border-radius: 5px; background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border); }

/* Article Page */
.article-header { padding: 3rem 0 1.5rem; border-bottom: 1px solid var(--border); }
.article-header h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.2; margin-bottom: 1rem; }
.article-meta { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: 0.9rem; color: var(--text-dim); margin-bottom: 0.75rem; }
.article-meta .tag { padding: 0.15rem 0.6rem; border-radius: 5px; font-size: 0.8rem; background: var(--bg-elevated); border: 1px solid var(--border); }
.article-stack { margin: 1.5rem 0; padding: 1.25rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.article-stack h4 { font-size: 0.95rem; margin-bottom: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.article-body { padding: 2rem 0 4rem; }
.article-body h2 { font-size: 1.6rem; font-weight: 700; margin: 2.5rem 0 1rem; padding-top: 0.5rem; }
.article-body h3 { font-size: 1.2rem; font-weight: 600; margin: 2rem 0 0.75rem; }
.article-body p { margin-bottom: 1.2rem; }
.article-body ul, .article-body ol { margin: 0.75rem 0 1.25rem 1.5rem; }
.article-body li { margin-bottom: 0.4rem; }
.article-body blockquote {
  margin: 1.5rem 0; padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent-2); background: var(--bg-card); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-muted); font-style: italic;
}
.article-body strong { color: var(--text); font-weight: 600; }
.article-body code {
  padding: 0.15rem 0.4rem; border-radius: 4px;
  background: var(--bg-elevated); font-family: var(--font-mono); font-size: 0.85em; color: var(--accent-3);
}
.article-body pre {
  margin: 1.25rem 0; padding: 1rem 1.25rem; border-radius: var(--radius);
  background: #0d0d18; border: 1px solid var(--border);
  overflow-x: auto; font-size: 0.85rem; line-height: 1.6;
}
.article-body pre code { background: none; color: var(--text); padding: 0; }
.article-body hr { margin: 2.5rem 0; border: none; border-top: 1px solid var(--border); }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.9rem; }
thead th { text-align: left; padding: 0.6rem 0.75rem; background: var(--bg-elevated); border-bottom: 2px solid var(--border); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); }
tbody td { padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--bg-card-hover); }

/* Step boxes */
.step { margin: 1.5rem 0; padding: 1.5rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.step h3 { margin-top: 0; }
.step .step-image { margin: 1rem 0; padding: 0.75rem; background: var(--bg-elevated); border-radius: var(--radius); text-align: center; color: var(--text-dim); font-style: italic; font-size: 0.85rem; }
.step .time-box { display: inline-flex; gap: 0.5rem; margin: 0.75rem 0 0; font-size: 0.85rem; color: var(--green); }

/* CTA / Email Signup */
.cta-box {
  margin: 3rem 0; padding: 2rem; text-align: center;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.08));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.cta-box h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.cta-box p { color: var(--text-muted); margin-bottom: 1.25rem; }
.cta-box form { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.cta-box input[type="email"] {
  padding: 0.7rem 1rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 0.9rem; min-width: 280px;
}
.cta-box input[type="email"]:focus { outline: none; border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(168,85,247,0.15); }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem; border-radius: 8px; font-weight: 600; font-size: 0.9rem;
  border: none; cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }
.btn-outline {
  background: transparent; border: 1px solid var(--border); color: var(--text);
}
.btn-outline:hover { border-color: var(--accent-2); color: var(--accent-2); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border); padding: 2rem 0;
  text-align: center; color: var(--text-dim); font-size: 0.85rem;
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--text); }

/* RTL for Arabic */
[dir="rtl"] { direction: rtl; text-align: right; }
[dir="rtl"] .nav-links { direction: rtl; }
[dir="rtl"] .article-body blockquote { border-left: none; border-right: 3px solid var(--accent-2); border-radius: var(--radius) 0 0 var(--radius); }
[dir="rtl"] .article-body ul, [dir="rtl"] .article-body ol { margin: 0.75rem 1.5rem 1.25rem 0; }
[dir="rtl"] thead th, [dir="rtl"] tbody td { text-align: right; }

/* Breadcrumb */
.breadcrumb { padding: 1rem 0 0; font-size: 0.85rem; color: var(--text-dim); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb span { color: var(--text-dim); }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .article-header h1 { font-size: 1.6rem; }
  .card-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .container, .container-narrow { padding: 0 1rem; }
}

/* Workflow badge */
.workflow-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.25rem 0.65rem; border-radius: 6px;
  font-size: 0.78rem; font-weight: 600;
}
.workflow-badge.free { background: rgba(74,222,128,0.1); color: var(--green); border: 1px solid rgba(74,222,128,0.2); }
.workflow-badge.premium { background: rgba(245,158,11,0.1); color: var(--yellow); border: 1px solid rgba(245,158,11,0.2); }