/* ============================================================
   LEARN CENTER — Clean Design System
   A Plan Agency | Claude AI Learning Center
   Single source of truth for all /claude/learn/ pages
   ============================================================ */

/* === DESIGN TOKENS === */
:root {
  --red: #E31E24;
  --red-dark: #BB1418;
  --red-glow: rgba(227,30,36,.15);
  --red-glow-strong: rgba(227,30,36,.35);
  --navy: #0a1745;
  --navy-light: #0f1d3a;
  --navy-mid: #1a1a2e;
  --gold: #d4a017;
  --gold-light: #fbbf24;
  --surface-1: #0a0a12;
  --surface-2: #0f0f1a;
  --surface-3: #141422;
  --surface-4: #1a1a2e;
  --border: rgba(255,255,255,.06);
  --border-hover: rgba(227,30,36,.3);
  --text-1: #f0f0f5;
  --text-2: #c4c9d4;
  --text-3: #8891a4;
  --font-h: 'Noto Kufi Arabic', sans-serif;
  --font-b: 'Cairo', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.2);
  --shadow-md: 0 8px 30px rgba(0,0,0,.3);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.4);
  --shadow-glow: 0 0 40px rgba(227,30,36,.1);
}

/* === RESET & BASE === */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  background: var(--surface-1);
  color: var(--text-2);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-h); color: var(--text-1); line-height: 1.4; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; }

/* === HEADER === */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(10,23,69,.82);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: var(--transition);
}
.header .container { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; }
.header .logo img { height: 38px; width: auto; transition: var(--transition); }
.header .logo:hover img { filter: brightness(1.15); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { color: var(--text-2); padding: 8px 18px; border-radius: var(--radius-sm); font-size: .9rem; font-weight: 600; transition: var(--transition); position: relative; }
.nav-links a:hover { color: #fff; background: rgba(227,30,36,.1); }
.nav-links a.active { color: #fff; background: rgba(227,30,36,.15); }
.nav-links .nav-cta { background: var(--red); color: #fff !important; padding: 9px 22px; border-radius: var(--radius-sm); font-weight: 700; margin-right: 4px; }
.nav-links .nav-cta:hover { background: var(--red-dark); transform: translateY(-1px); }

/* Mobile Toggle */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; width: 44px; height: 44px; z-index: 1001; align-items: center; justify-content: center; }
.mobile-toggle .bar-wrap { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; width: 100%; height: 100%; }
.mobile-toggle .bar { display: block; width: 24px; height: 2.5px; background: #fff; border-radius: 3px; transition: all .4s cubic-bezier(.4,0,.2,1); transform-origin: center; }
.mobile-toggle.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-toggle.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Overlay & Menu */
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(8px); z-index: 998; opacity: 0; transition: opacity .3s; }
.mobile-overlay.active { display: block; opacity: 1; }
.mobile-menu { position: fixed; top: 0; right: -100%; width: 300px; height: 100vh; height: 100dvh; background: rgba(10,10,26,.97); backdrop-filter: blur(30px); z-index: 999; padding: 100px 28px 40px; display: flex; flex-direction: column; gap: 4px; transition: right .4s cubic-bezier(.4,0,.2,1); border-left: 1px solid rgba(255,255,255,.06); overflow-y: auto; }
.mobile-menu.active { right: 0; }
.mobile-menu a { padding: 14px 20px; font-size: 1.05rem; font-weight: 600; color: rgba(255,255,255,.8); border-radius: 12px; transition: var(--transition); }
.mobile-menu a:hover { background: rgba(227,30,36,.12); color: #fff; }
.mobile-menu .mob-cta { margin-top: 20px; background: var(--red); color: #fff !important; text-align: center; border-radius: 12px; font-weight: 700; padding: 14px 20px; }

/* === BREADCRUMB === */
.breadcrumb { display: flex; align-items: center; gap: 8px; padding: 18px 0; font-size: .88rem; color: var(--text-3); flex-wrap: wrap; }
.breadcrumb a { color: var(--text-3); transition: var(--transition); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb .sep { color: #4b5563; font-size: .75rem; }
.breadcrumb .current { color: var(--red); font-weight: 600; }

/* === HERO (Index Page) === */
.learn-hero { padding: 140px 0 80px; background: linear-gradient(135deg, var(--navy) 0%, #1a0a1e 40%, var(--surface-1) 100%); position: relative; overflow: hidden; }
.learn-hero::before { content: ''; position: absolute; width: 700px; height: 700px; background: radial-gradient(circle, rgba(227,30,36,.12), transparent 70%); top: -250px; right: -150px; border-radius: 50%; animation: heroGlow 8s ease-in-out infinite alternate; }
.learn-hero::after { content: ''; position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(212,160,23,.08), transparent 70%); bottom: -150px; left: -100px; border-radius: 50%; animation: heroGlow 10s ease-in-out infinite alternate-reverse; }
@keyframes heroGlow { 0% { transform: scale(1) translate(0,0); } 100% { transform: scale(1.15) translate(20px,-20px); } }
.learn-hero .container { position: relative; z-index: 1; text-align: center; }
.learn-hero h1 { font-size: 2.8rem; color: #fff; margin-bottom: 18px; line-height: 1.35; }
.learn-hero h1 .gradient-text { background: linear-gradient(135deg, #ff6b6b, var(--gold-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.learn-hero .hero-desc { color: var(--text-2); font-size: 1.15rem; line-height: 1.9; max-width: 700px; margin: 0 auto 36px; }

/* Stats Bar */
.stats-bar { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 10px; }
.stat-item { text-align: center; padding: 16px 24px; background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: var(--radius); backdrop-filter: blur(10px); min-width: 140px; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; font-family: var(--font-h); background: linear-gradient(135deg, var(--red), var(--gold-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: .85rem; color: var(--text-3); margin-top: 4px; }

/* === FILTER PILLS === */
.filter-pills { display: flex; justify-content: center; gap: 10px; padding: 40px 0 30px; flex-wrap: wrap; }
.filter-pill { padding: 10px 24px; border-radius: 50px; font-size: .9rem; font-weight: 600; font-family: var(--font-b); color: var(--text-2); background: var(--surface-3); border: 1px solid var(--border); cursor: pointer; transition: var(--transition); }
.filter-pill:hover { border-color: var(--border-hover); color: var(--text-1); }
.filter-pill.active { background: var(--red); color: #fff; border-color: var(--red); box-shadow: 0 4px 20px rgba(227,30,36,.3); }

/* === MODULE CARDS GRID === */
.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; padding: 10px 0 60px; }
.module-card { background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; position: relative; overflow: hidden; transition: var(--transition); opacity: 0; transform: translateY(30px); }
.module-card.visible { opacity: 1; transform: translateY(0); }
.module-card::before { content: ''; position: absolute; top: 0; right: 0; left: 0; height: 3px; background: linear-gradient(90deg, var(--red), var(--gold)); opacity: 0; transition: opacity .4s; }
.module-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow), var(--shadow-md); }
.module-card:hover::before { opacity: 1; }
.card-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 14px; }
.card-num { width: 44px; height: 44px; border-radius: 12px; background: rgba(227,30,36,.1); border: 1px solid rgba(227,30,36,.2); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 800; color: var(--red); flex-shrink: 0; font-family: var(--font-h); }
.card-meta { flex: 1; }
.card-meta h3 { font-size: 1.15rem; margin-bottom: 4px; transition: var(--transition); }
.module-card:hover .card-meta h3 { color: var(--red); }
.card-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: .7rem; font-weight: 700; }
.badge-beginner { background: rgba(34,197,94,.12); color: #22c55e; border: 1px solid rgba(34,197,94,.2); }
.badge-intermediate { background: rgba(212,160,23,.12); color: var(--gold-light); border: 1px solid rgba(212,160,23,.2); }
.badge-advanced { background: rgba(227,30,36,.12); color: #ff6b6b; border: 1px solid rgba(227,30,36,.2); }
.badge-duration { background: rgba(255,255,255,.05); color: var(--text-3); border: 1px solid var(--border); }
.card-desc { color: var(--text-3); font-size: .92rem; line-height: 1.7; margin-bottom: 16px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.card-tag { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); border-radius: 6px; font-size: .75rem; color: var(--text-3); transition: var(--transition); }
.card-tag:hover { border-color: var(--border-hover); color: var(--text-2); }
.card-arrow { position: absolute; bottom: 20px; left: 20px; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.05); display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: .9rem; transition: var(--transition); }
.module-card:hover .card-arrow { background: var(--red); color: #fff; transform: translateX(-4px); }

/* Category Divider */
.category-divider { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; padding: 20px 0 8px; }
.category-divider::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--border), transparent); }
.category-divider span { font-family: var(--font-h); font-size: .85rem; font-weight: 700; color: var(--text-3); white-space: nowrap; letter-spacing: .5px; }

/* === LAYOUT (Sidebar + Content) === */
.learn-layout { display: grid; grid-template-columns: 290px 1fr; gap: 40px; padding: 0 0 80px; }
.learn-content-section { padding: 0; background: var(--surface-1); }

/* === SIDEBAR === */
.learn-sidebar { position: sticky; top: 80px; height: fit-content; max-height: calc(100vh - 100px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.1) transparent; }
.learn-sidebar::-webkit-scrollbar { width: 4px; }
.learn-sidebar::-webkit-scrollbar-track { background: transparent; }
.learn-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 4px; }
.sidebar-nav { background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px 16px; overflow: hidden; }
.sidebar-title { font-size: 1rem; color: var(--text-1); padding: 8px 12px 14px; border-bottom: 1px solid var(--border); margin-bottom: 10px; font-family: var(--font-h); font-weight: 700; display: flex; align-items: center; gap: 8px; }
.sidebar-category { font-size: .72rem; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; padding: 16px 12px 6px; display: flex; align-items: center; gap: 8px; font-family: var(--font-h); }
.sidebar-category::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.sidebar-nav .nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; color: var(--text-3); font-size: .88rem; border-radius: 10px; transition: var(--transition); margin-bottom: 2px; cursor: pointer; position: relative; font-weight: 500; }
.sidebar-nav .nav-item:hover { background: rgba(227,30,36,.06); color: var(--text-2); }
.sidebar-nav .nav-item.active { background: rgba(227,30,36,.1); color: var(--red); font-weight: 700; border-right: 3px solid var(--red); box-shadow: inset -8px 0 20px rgba(227,30,36,.06); }
.nav-item .nav-num { width: 26px; height: 26px; border-radius: 8px; background: rgba(255,255,255,.05); display: flex; align-items: center; justify-content: center; font-size: .72rem; font-weight: 800; flex-shrink: 0; transition: var(--transition); }
.nav-item.active .nav-num { background: var(--red); color: #fff; }
.nav-item .nav-arrow { margin-right: auto; margin-left: 0; font-size: .65rem; transition: transform .3s; color: var(--text-3); }
.nav-item.expanded .nav-arrow { transform: rotate(180deg); }
.sidebar-children { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.4,0,.2,1), opacity .3s; opacity: 0; padding-right: 18px; margin-right: 20px; border-right: 2px solid rgba(255,255,255,.05); }
.sidebar-children.open { opacity: 1; max-height: 600px; }
.sidebar-children a { display: flex; align-items: center; gap: 8px; padding: 7px 12px; font-size: .82rem; color: var(--text-3); border-radius: 8px; transition: var(--transition); margin-bottom: 1px; }
.sidebar-children a:hover { background: rgba(227,30,36,.06); color: var(--text-2); }
.sidebar-children a.active { color: var(--red); font-weight: 700; background: rgba(227,30,36,.08); }
.sidebar-children .child-icon { font-size: .85rem; flex-shrink: 0; }

/* === ARTICLE CONTENT TYPOGRAPHY (.learn-text prefix) === */
.learn-article,
.learn-text { max-width: 100%; min-width: 0; overflow-wrap: break-word; word-wrap: break-word; overflow-x: hidden; }

.learn-text h2 { font-size: 1.6rem !important; color: #fff !important; margin: 40px 0 20px !important; padding-top: 20px; padding-bottom: 12px !important; position: relative; border-bottom: 3px solid #E31E24 !important; border-image: none !important; }
.learn-text h2:first-of-type { margin-top: 0 !important; }
.learn-text h3 { font-size: 1.2rem !important; color: #e5e7eb !important; margin: 28px 0 12px !important; }
.learn-text p { color: #b0b8c8 !important; font-size: 1rem !important; line-height: 1.85 !important; margin-bottom: 16px !important; }
.learn-text strong { color: #e5e7eb !important; }
.learn-text code { background: rgba(227,30,36,.1) !important; color: #ff6b6b !important; padding: 2px 8px !important; border-radius: 6px !important; font-family: var(--font-mono) !important; font-size: .9em !important; }
.learn-text a { color: #ff6b6b !important; border-bottom: 1px dashed rgba(227,30,36,.3); transition: var(--transition); }
.learn-text a:hover { color: var(--gold-light) !important; border-bottom-color: var(--gold-light); }
.learn-text img { max-width: 100%; height: auto; border-radius: var(--radius); }
.learn-text ul { list-style: disc !important; padding-right: 24px !important; margin: 16px 0; }
.learn-text ol { list-style: decimal !important; padding-right: 24px !important; margin: 16px 0; counter-reset: none !important; }
.learn-text li { color: #b0b8c8 !important; font-size: 1rem; line-height: 1.85 !important; margin-bottom: 8px !important; padding-right: 8px; }
.learn-text ul li::marker { color: #E31E24 !important; }
.learn-text ol li::marker { color: var(--gold) !important; font-weight: 700; }
.learn-text pre,
.learn-text pre code { max-width: 100%; overflow-x: auto; }

/* === TABLES === */
.learn-text .table-wrapper { overflow-x: auto; margin: 24px 0; border-radius: var(--radius); border: 1px solid var(--border); }
.learn-text table { width: 100%; border-collapse: collapse; background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); min-width: 600px; }
.learn-text th { background: rgba(227,30,36,.1); color: var(--text-1); padding: 14px 16px; text-align: right; font-size: .92rem; font-weight: 700; white-space: nowrap; border-bottom: 2px solid rgba(227,30,36,.2); }
.learn-text td { padding: 12px 16px; color: var(--text-2); border-top: 1px solid var(--border); font-size: .9rem; }
.learn-text tr:hover td { background: rgba(255,255,255,.02); }

/* === CODE BLOCKS === */
.code-block,
.learn-text pre { background: linear-gradient(145deg, #0d1117, #161b22) !important; border: 1px solid rgba(255,255,255,.1) !important; border-radius: 12px !important; margin: 20px 0 !important; overflow: hidden; }
.code-block { padding: 20px 24px !important; overflow-x: auto; direction: ltr; text-align: left; }
.code-block code { background: none !important; color: #e6edf3 !important; padding: 0 !important; font-family: 'JetBrains Mono', monospace !important; font-size: .85rem !important; line-height: 1.6 !important; display: block; white-space: pre-wrap; border-radius: 0 !important; }
.code-header { display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: rgba(255,255,255,.03); border-bottom: 1px solid var(--border); }
.code-dot { width: 12px; height: 12px; border-radius: 50%; }
.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }
.code-body { padding: 16px 20px; font-family: var(--font-mono); font-size: .88rem; line-height: 1.7; color: #e2e8f0; overflow-x: auto; direction: ltr; text-align: left; }
.code-body .comment { color: #6b7280; }
.code-body .keyword { color: #ff6b6b; }
.code-body .string { color: var(--gold-light); }

/* === TERMINAL === */
.terminal,
.article-terminal-wrap,
.article-terminal { background: #0a0a0a !important; border: 1px solid rgba(255,255,255,.08) !important; border-radius: 14px !important; overflow: hidden; margin: 32px 0 !important; }
.terminal-header { background: rgba(0,0,0,.4) !important; padding: 12px 16px !important; display: flex !important; align-items: center !important; gap: 8px !important; border-bottom: 1px solid rgba(255,255,255,.06); }
.terminal-dot { width: 12px !important; height: 12px !important; border-radius: 50% !important; }
.terminal-dot.red { background: #ef4444 !important; }
.terminal-dot.yellow { background: #eab308 !important; }
.terminal-dot.green { background: #22c55e !important; }
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots span { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dots .d-red { background: #ff5f57; }
.terminal-dots .d-yel { background: #febc2e; }
.terminal-dots .d-grn { background: #28c840; }
.terminal-title { font-size: .78rem; color: #8b949e; margin-right: auto; font-family: var(--font-mono); }
.terminal-body { padding: 20px !important; font-family: monospace !important; font-size: .9rem !important; min-height: 150px; color: #d1d5db !important; line-height: 1.8; direction: ltr; text-align: left; }
.terminal-body .prompt-sign { color: var(--red); }
.terminal-body .cmd { color: #f0f6fc; }
.terminal-body .output { color: #8b949e; }

/* === IDEAS GRID === */
.ideas-grid { display: grid !important; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)) !important; gap: 16px !important; margin: 24px 0 !important; }
.idea-card { background: linear-gradient(145deg, #111827, #1a1a2e) !important; border: 1px solid rgba(255,255,255,.06) !important; border-radius: 14px !important; padding: 24px !important; transition: all .3s !important; }
.idea-card:hover { border-color: rgba(227,30,36,.3) !important; transform: translateY(-2px); }
.idea-num { display: inline-flex !important; width: 32px !important; height: 32px !important; border-radius: 50% !important; background: linear-gradient(135deg, #E31E24, #BB1418) !important; color: #fff !important; align-items: center !important; justify-content: center !important; font-weight: 800 !important; font-size: .85rem !important; margin-bottom: 12px !important; }
.idea-card h4 { color: #fff !important; font-size: 1.05rem !important; margin-bottom: 8px !important; }
.idea-card p { color: #9ca3af !important; font-size: .9rem !important; line-height: 1.7 !important; margin: 0 !important; }

/* === FAQ ACCORDION === */
.learn-faq { margin: 48px 0; }
.faq-item { background: linear-gradient(145deg, #111827, #1a1a2e) !important; border: 1px solid rgba(255,255,255,.06) !important; border-radius: 14px !important; margin-bottom: 12px !important; overflow: hidden !important; transition: var(--transition); }
.faq-item:hover { border-color: rgba(255,255,255,.1); }

/* Support both .faq-question and .faq-q selectors */
.faq-question,
.faq-q { padding: 20px 24px !important; color: #fff !important; font-size: 1.05rem !important; font-weight: 700 !important; cursor: pointer !important; display: flex !important; justify-content: space-between !important; align-items: center !important; gap: 12px; transition: background .3s !important; }
.faq-question:hover,
.faq-q:hover { background: rgba(227,30,36,.08) !important; }
.faq-q .faq-arrow { font-size: .75rem; transition: transform .3s; flex-shrink: 0; color: var(--text-3); }
.faq-item.open .faq-q .faq-arrow { transform: rotate(180deg); color: var(--red); }
.faq-question .faq-toggle,
.faq-question::after { color: #E31E24; font-size: 1.2rem; transition: transform .3s; }

/* Support both .faq-answer and .faq-a selectors */
.faq-answer,
.faq-a { max-height: 0 !important; overflow: hidden !important; padding: 0 24px !important; transition: max-height .4s ease, padding .4s ease !important; color: #9ca3af !important; line-height: 1.8 !important; }
.faq-item.active .faq-answer,
.faq-item.active .faq-a,
.faq-item.open .faq-a { max-height: 1000px !important; padding: 0 24px 20px !important; }
.faq-a-inner { padding: 0 24px 20px; color: var(--text-2); font-size: .95rem; line-height: 1.9; }

/* === PROMPT BOXES === */
.prompt-box { background: linear-gradient(145deg, #111827, #1a1a2e) !important; border: 1px solid rgba(212,160,23,.25) !important; border-right: 4px solid #d4a017 !important; border-radius: 14px !important; padding: 24px !important; margin: 24px 0 !important; position: relative; }
.prompt-box:hover { border-color: rgba(212,160,23,.4); box-shadow: 0 4px 20px rgba(212,160,23,.06); }
.prompt-box h4,
.prompt-box .prompt-title { color: #fbbf24 !important; font-size: 1rem; margin-bottom: 12px; }
.prompt-box p,
.prompt-box .prompt-text { color: #d1d5db !important; font-size: .95rem !important; line-height: 1.8 !important; margin-bottom: 0 !important; }
.copy-btn,
.prompt-box .copy-btn { position: absolute; top: 12px; left: 12px; background: rgba(212,160,23,.15); border: 1px solid rgba(212,160,23,.3); color: #fbbf24; padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: .8rem; font-family: var(--font-b); transition: all .3s; }
.copy-btn:hover { background: rgba(212,160,23,.3); }
.prompt-label { display: inline-block; background: var(--gold); color: var(--surface-1); padding: 2px 10px; border-radius: 6px; font-size: .73rem; font-weight: 700; margin-bottom: 10px; }
.prompt-num { width: 28px; height: 28px; border-radius: 50%; background: rgba(212,160,23,.15); color: #fbbf24; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .75rem; }
.prompt-category { font-size: .75rem; color: #fbbf24; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.prompt-card { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(212,160,23,.15); border-radius: 14px; padding: 20px; margin: 12px 0; transition: all .3s; }
.prompt-card:hover { border-color: rgba(212,160,23,.35); }

/* === INFO BOXES === */
.info-box { background: linear-gradient(160deg, rgba(227,30,36,.06), rgba(212,160,23,.03)) !important; border: 1px solid rgba(227,30,36,.15) !important; border-radius: var(--radius) !important; padding: 24px !important; margin: 24px 0 !important; backdrop-filter: blur(6px); }
.info-box h4 { color: #ff6b6b !important; font-size: 1.05rem; margin-bottom: 8px; }
.info-box p { color: var(--text-2); margin-bottom: 0; }

/* === STEP BOXES === */
.step-box { background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin: 20px 0; transition: var(--transition); }
.step-box:hover { border-color: rgba(255,255,255,.1); }
.step-box .step-num { display: inline-block; width: 36px; height: 36px; background: var(--red); color: #fff; border-radius: 50%; text-align: center; line-height: 36px; font-weight: 800; font-size: 1.1rem; margin-left: 12px; }

/* === BEFORE/AFTER GRID === */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 20px 0; }
.ba-box { padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); }
.ba-box.before { background: linear-gradient(160deg, rgba(180,83,9,.06), rgba(180,83,9,.02)); border-color: rgba(180,83,9,.2); }
.ba-box.after { background: linear-gradient(160deg, rgba(227,30,36,.06), rgba(212,160,23,.03)); border-color: rgba(212,160,23,.2); }
.ba-box h4 { font-size: .9rem; margin-bottom: 10px; }
.ba-box.before h4 { color: var(--gold-light); }
.ba-box.after h4 { color: #ff6b6b; }
.ba-box p { font-size: .9rem; color: var(--text-2); margin-bottom: 0; line-height: 1.8; }

/* === COMPARE BOXES === */
.compare-box,
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.compare-bad,
.compare-good,
.example-bad,
.example-good { padding: 20px; border-radius: 14px; border: 1px solid rgba(255,255,255,.06); }
.compare-bad,
.example-bad { background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.2); }
.compare-good,
.example-good { background: rgba(34,197,94,.08); border-color: rgba(34,197,94,.2); }
.example-box { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 20px; margin: 12px 0; }

/* === ERROR ITEMS === */
.error-item { background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin: 12px 0; }
.error-item .error-num { display: inline-block; width: 28px; height: 28px; background: var(--red-dark); color: #fff; border-radius: 50%; text-align: center; line-height: 28px; font-weight: 800; font-size: .85rem; margin-left: 10px; }
.error-item strong { color: #ff6b6b; }
.error-item p { margin-bottom: 0; }
.error-item .solution { color: var(--gold); font-weight: 600; }

/* === CONTENT IMAGES === */
.content-img { margin: 32px 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); max-width: 100%; height: auto; }
.content-img img { width: 100%; height: auto; }
.content-img figcaption { padding: 12px 16px; color: var(--text-3); font-size: .85rem; text-align: center; background: rgba(0,0,0,.3); }

/* === SCENARIO / SECTOR CARDS === */
.scenario,
.sector-card-inline { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 24px; margin: 16px 0; }
.sector-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin: 24px 0; }
.sector-card { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 20px; text-align: center; transition: all .3s; }
.sector-card:hover { border-color: rgba(227,30,36,.3); transform: translateY(-2px); }
.sector-icon { font-size: 2rem; margin-bottom: 12px; }

/* === BOT / CHAT / DATA CARDS === */
.bot-type,
.bot-card { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 20px; margin: 12px 0; }
.chat-example { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 20px; margin: 16px 0; }
.chat-msg { margin-bottom: 12px; padding: 12px 16px; border-radius: 12px; }
.chat-label { font-size: .75rem; font-weight: 700; margin-bottom: 4px; color: #9ca3af; }
.chat-label.bot { color: #fbbf24; }
.chat-text { color: #d1d5db; font-size: .95rem; line-height: 1.7; }
.data-types-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin: 24px 0; }
.data-type-card { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 20px; text-align: center; transition: all .3s; }
.data-type-card:hover { border-color: rgba(227,30,36,.3); }

/* === ROI / HIGHLIGHT === */
.roi-highlight,
.highlight-box { background: linear-gradient(135deg, rgba(227,30,36,.12), rgba(212,160,23,.08)); border: 1px solid rgba(227,30,36,.25); border-radius: 14px; padding: 24px; margin: 24px 0; text-align: center; }
.roi-highlight h3,
.highlight-box h3 { color: #ff6b6b; font-size: 1.3rem; }
.roi-label { font-size: .85rem; color: #9ca3af; margin-bottom: 4px; }
.roi-number { font-size: 2rem; font-weight: 800; color: #ff6b6b; }
.highlight-gold { color: #fbbf24; font-weight: 700; }
.support-excellent { color: #22c55e; font-weight: 700; }
.support-great { color: #fbbf24; font-weight: 700; }

/* === PROJECT / FEATURE GRIDS === */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin: 24px 0; }
.project-card { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 20px; transition: all .3s; }
.project-card:hover { border-color: rgba(227,30,36,.3); transform: translateY(-2px); }
.project-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 24px 0; }
.feature-card { background: linear-gradient(145deg, #111827, #1a1a2e); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 24px; transition: all .3s; }
.feature-card:hover { border-color: rgba(227,30,36,.3); transform: translateY(-2px); }
.limit-box { background: rgba(239,68,68,.06); border: 1px solid rgba(239,68,68,.2); border-radius: 14px; padding: 20px; margin: 16px 0; }
.related-guides { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 32px 0; }

/* === PREV/NEXT NAVIGATION === */
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--border); }
.prev-next a { display: flex; flex-direction: column; padding: 24px; background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); border-radius: var(--radius); transition: var(--transition); }
.prev-next a:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.prev-next .label { font-size: .8rem; color: var(--text-3); margin-bottom: 6px; }
.prev-next .title { font-size: 1.05rem; color: var(--text-1); font-weight: 700; }
.prev-next .next { text-align: left; }
.prev-next .disabled { opacity: .3; pointer-events: none; }

/* === CTA SECTION === */
.cta-section { background: linear-gradient(135deg, #0a1745, #1a0a2e, #E31E24); padding: 60px 0; text-align: center; }
.cta-section h2 { color: #fff; font-size: 1.8rem; margin-bottom: 16px; }
.cta-section p { color: #d1d5db; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-whatsapp { background: #E31E24; color: #fff; padding: 14px 32px; border-radius: 12px; font-weight: 700; text-decoration: none; display: inline-block; transition: all .3s; }
.btn-whatsapp:hover { background: #BB1418; transform: translateY(-2px); }
.btn-secondary,
.btn-outline { border: 2px solid rgba(255,255,255,.3); color: #fff; padding: 14px 32px; border-radius: 12px; font-weight: 700; text-decoration: none; display: inline-block; transition: all .3s; }
.btn-secondary:hover,
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.05); }

/* === MOBILE BOTTOM BAR === */
.mobile-bottom-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 997; background: rgba(10,10,26,.97); backdrop-filter: blur(20px); border-top: 1px solid var(--border); padding: 8px 16px; gap: 10px; }
.mobile-bottom-bar a { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px; border-radius: 12px; font-weight: 700; font-size: .9rem; transition: var(--transition); }
.mobile-bottom-bar .bar-whatsapp { background: var(--red); color: #fff; }
.mobile-bottom-bar .bar-phone { background: rgba(227,30,36,.15); color: var(--red); border: 1px solid rgba(227,30,36,.3); }

/* Sidebar Mobile Trigger */
.sidebar-mobile-trigger { display: none; width: 100%; padding: 14px 20px; background: linear-gradient(160deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-1); font-family: var(--font-h); font-size: .95rem; font-weight: 700; cursor: pointer; margin-bottom: 20px; text-align: right; transition: var(--transition); }
.sidebar-mobile-trigger:hover { border-color: var(--border-hover); }
.sidebar-mobile-trigger .trigger-arrow { float: left; transition: transform .3s; }
.sidebar-mobile-trigger.open .trigger-arrow { transform: rotate(180deg); }

/* === FOOTER === */
.learn-footer { background: var(--surface-2); border-top: 1px solid var(--border); padding: 40px 0; text-align: center; }
.learn-footer p { color: var(--text-3); font-size: .85rem; }
.learn-footer a { color: var(--red); }

/* === SCROLL REVEAL === */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === ANIMATIONS === */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes typing { from { width: 0; } to { width: 100%; } }
@keyframes blink { 50% { border-color: transparent; } }
.typing-effect { overflow: hidden; white-space: nowrap; border-left: 2px solid var(--red); animation: typing 2s steps(30) forwards, blink .8s step-end infinite; direction: ltr; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav-links { display: none !important; }
  .mobile-toggle { display: flex !important; }
  .mobile-bottom-bar { display: flex; }
  body { padding-bottom: 70px; }
}

@media (max-width: 768px) {
  .header .container { padding: 10px 16px; }
  .header .logo img { height: 30px; }
  .learn-hero { padding: 110px 0 50px !important; }
  .learn-hero h1 { font-size: 1.7rem !important; }
  .learn-hero .hero-desc { font-size: 1rem; }
  .stats-bar { gap: 16px; }
  .stat-item { min-width: 100px; padding: 12px 16px; }
  .stat-num { font-size: 1.5rem; }
  .modules-grid { grid-template-columns: 1fr; gap: 16px; }
  .learn-layout { grid-template-columns: 1fr !important; gap: 0; padding: 0 0 40px; }
  .learn-sidebar { position: static !important; order: -1; max-height: none; display: none; }
  .sidebar-mobile-trigger { display: block; }
  .learn-sidebar.mobile-open { display: block; margin-bottom: 20px; }
  .breadcrumb { font-size: .8rem; }
  .container { padding: 0 16px; }
  .learn-text h2 { font-size: 1.3rem !important; }
  .learn-text p { font-size: .98rem !important; }
  .prev-next { grid-template-columns: 1fr !important; }
  .ba-grid { grid-template-columns: 1fr; }
  .compare-box, .compare-grid { grid-template-columns: 1fr; }
  .sector-grid { grid-template-columns: 1fr 1fr; }
  .ideas-grid { grid-template-columns: 1fr !important; }
  .project-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .data-types-grid { grid-template-columns: 1fr 1fr; }
  .learn-text pre, .learn-text code { font-size: .82rem !important; }
  .prompt-box, .info-box, .step-box { overflow-x: hidden; word-wrap: break-word; }
  .filter-pills { gap: 6px; }
  .filter-pill { padding: 8px 16px; font-size: .82rem; }
  .chat-example { padding: 14px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-section { padding: 40px 16px; }
  .cta-section h2 { font-size: 1.4rem; }
  .faq-question { font-size: .95rem !important; padding: 16px !important; }
}

@media (max-width: 480px) {
  .header .container { padding: 8px 12px; }
  .header .logo img { height: 26px; }
  .learn-hero h1 { font-size: 1.3rem !important; }
  .learn-hero .hero-desc { font-size: .9rem; }
  .container { padding: 0 12px; }
  .breadcrumb { font-size: .72rem; gap: 4px; }
  .learn-text h2 { font-size: 1.15rem !important; }
  .sidebar-nav .nav-item { font-size: .82rem; padding: 8px 10px; }
  .stat-item { min-width: 80px; }
  .module-card { padding: 20px; }
  .sector-grid, .data-types-grid { grid-template-columns: 1fr; }
  .related-guides { grid-template-columns: 1fr; }
}