/* ============================================
   NOVA-Lo Landing Page Styles
   Premium Dark Theme + Glassmorphism
   ============================================ */

/* --------------------------------------------
   CSS Variables & Theme Tokens
   -------------------------------------------- */
:root {
  --bg: #0a1420;
  --bg-elevated: #0e1f33;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-start: #137D7E;
  --accent-mid: #1a9a9b;
  --accent-end: #123455;
  --gradient-1: linear-gradient(135deg, #137D7E 0%, #123455 100%);
  --gradient-2: linear-gradient(135deg, #137D7E 0%, #0a2a4a 100%);
  --gradient-gold: linear-gradient(135deg, #B08C3F 0%, #d4a84a 100%);
  --success: #10b981;
  --warning: #B08C3F;
  --danger: #ef4444;
  --info: #137D7E;
  --font-body: 'Inter', 'Noto Sans Arabic', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Noto Sans Arabic', system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;
  --space-4xl: 8rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(19, 125, 126, 0.25);
  --shadow-gold: 0 0 40px rgba(176, 140, 63, 0.25);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --navbar-height: 72px;
}

[dir="rtl"] {
  --font-body: 'Noto Sans Arabic', 'Inter', system-ui, sans-serif;
  --font-display: 'Noto Sans Arabic', 'Space Grotesk', system-ui, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; min-height: 100vh; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-lg); }
.section { padding: var(--space-4xl) 0; position: relative; }

/* Ambient blobs */
.ambient-blobs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.35; animation: blobFloat 20s ease-in-out infinite; }
.blob-1 { width: 600px; height: 600px; background: var(--accent-start); top: -10%; left: -10%; animation-delay: 0s; }
.blob-2 { width: 500px; height: 500px; background: var(--accent-end); bottom: -5%; right: -10%; animation-delay: -7s; }
.blob-3 { width: 400px; height: 400px; background: var(--accent-mid); top: 40%; left: 40%; animation-delay: -14s; opacity: 0.2; }
@keyframes blobFloat { 0%,100%{transform:translate(0,0) scale(1);} 33%{transform:translate(40px,-60px) scale(1.05);} 66%{transform:translate(-30px,40px) scale(0.95);} }

/* Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: var(--navbar-height); z-index: 1000; display: flex; align-items: center; transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base); }
.navbar.scrolled { background: rgba(10,20,32,0.75); backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4); box-shadow: 0 1px 0 var(--border); }
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: inline-flex; align-items: center; gap: var(--space-sm); font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; }
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: var(--radius-md); filter: drop-shadow(0 2px 6px rgba(19,125,126,0.25)); }
.logo-text { background: linear-gradient(135deg, #137D7E 0%, #B08C3F 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.db-logo-img { width: 28px; height: 28px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: var(--space-xl); }
.nav-links { display: flex; align-items: center; gap: var(--space-lg); }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); transition: color var(--transition-fast); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--gradient-1); border-radius: var(--radius-full); transition: width var(--transition-base); }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: var(--space-md); }
.lang-switcher { display: inline-flex; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 3px; gap: 3px; }
.lang-btn { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em; color: var(--text-muted); padding: 5px 10px; border-radius: var(--radius-full); transition: all var(--transition-fast); }
.lang-btn.active { background: var(--gradient-1); color: #fff; box-shadow: 0 2px 8px rgba(19,125,126,0.3); }
.lang-btn:not(.active):hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all var(--transition-base); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); font-family: var(--font-body); font-weight: 600; font-size: 0.9rem; padding: 0.6rem 1.25rem; border-radius: var(--radius-md); transition: all var(--transition-base); border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn-primary { background: var(--gradient-1); color: #fff; box-shadow: 0 4px 20px rgba(19,125,126,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(19,125,126,0.45); }
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border-hover); }
.btn-outline:hover { background: var(--bg-glass); border-color: var(--text-secondary); transform: translateY(-2px); }
.btn-gold { background: var(--gradient-gold); color: #0a1420; box-shadow: var(--shadow-gold); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(176,140,63,0.4); }
.btn-light { background: #fff; color: #0f0f1a; }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,255,255,0.2); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.3); }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }
.btn-full { width: 100%; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: var(--navbar-height); overflow: hidden; }
.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-particles span { position: absolute; width: 4px; height: 4px; background: rgba(255,255,255,0.4); border-radius: 50%; animation: particleFloat linear infinite; }
.hero-particles span:nth-child(1){left:10%;top:90%;animation-duration:12s;animation-delay:0s;}
.hero-particles span:nth-child(2){left:20%;top:80%;animation-duration:15s;animation-delay:1s;width:3px;height:3px;}
.hero-particles span:nth-child(3){left:30%;top:95%;animation-duration:10s;animation-delay:2s;}
.hero-particles span:nth-child(4){left:40%;top:85%;animation-duration:18s;animation-delay:0s;width:2px;height:2px;}
.hero-particles span:nth-child(5){left:50%;top:90%;animation-duration:14s;animation-delay:3s;}
.hero-particles span:nth-child(6){left:60%;top:80%;animation-duration:11s;animation-delay:1s;width:3px;height:3px;}
.hero-particles span:nth-child(7){left:70%;top:95%;animation-duration:16s;animation-delay:2s;}
.hero-particles span:nth-child(8){left:80%;top:85%;animation-duration:13s;animation-delay:0s;width:2px;height:2px;}
.hero-particles span:nth-child(9){left:90%;top:90%;animation-duration:17s;animation-delay:4s;}
.hero-particles span:nth-child(10){left:15%;top:88%;animation-duration:12s;animation-delay:2s;width:3px;height:3px;}
.hero-particles span:nth-child(11){left:25%;top:92%;animation-duration:14s;animation-delay:1s;}
.hero-particles span:nth-child(12){left:35%;top:82%;animation-duration:10s;animation-delay:3s;width:2px;height:2px;}
.hero-particles span:nth-child(13){left:45%;top:96%;animation-duration:16s;animation-delay:0s;}
.hero-particles span:nth-child(14){left:55%;top:86%;animation-duration:11s;animation-delay:2s;width:3px;height:3px;}
.hero-particles span:nth-child(15){left:65%;top:91%;animation-duration:15s;animation-delay:1s;}
.hero-particles span:nth-child(16){left:75%;top:83%;animation-duration:12s;animation-delay:4s;width:2px;height:2px;}
.hero-particles span:nth-child(17){left:85%;top:93%;animation-duration:18s;animation-delay:0s;}
.hero-particles span:nth-child(18){left:5%;top:87%;animation-duration:13s;animation-delay:2s;width:3px;height:3px;}
.hero-particles span:nth-child(19){left:95%;top:89%;animation-duration:14s;animation-delay:1s;}
.hero-particles span:nth-child(20){left:50%;top:98%;animation-duration:10s;animation-delay:3s;width:2px;height:2px;}
@keyframes particleFloat { 0%{transform:translateY(0) scale(1); opacity:0;} 10%{opacity:1;} 90%{opacity:1;} 100%{transform:translateY(-100vh) scale(0.5); opacity:0;} }

.hero-container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); align-items: center; position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-sm); background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 6px 14px; font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); margin-bottom: var(--space-lg); backdrop-filter: blur(10px); }
.badge-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; box-shadow: 0 0 8px var(--success); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.6;transform:scale(0.9);} }
.hero-title { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4.2rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: var(--space-lg); background: linear-gradient(135deg, #fff 0%, #7ecfd0 50%, #B08C3F 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 520px; margin-bottom: var(--space-xl); line-height: 1.7; }
.hero-ctas { display: flex; gap: var(--space-md); margin-bottom: var(--space-2xl); flex-wrap: wrap; }
.hero-stats { display: flex; gap: var(--space-2xl); }
.stat-item { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* Hero Visual / Floating Cards */
.hero-visual { position: relative; height: 520px; display: flex; align-items: center; justify-content: center; }
.floating-card { position: absolute; background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--radius-xl); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); overflow: hidden; transition: transform var(--transition-slow); }
.card-main { position: relative; width: 320px; padding: var(--space-xl); animation: floatCard 6s ease-in-out infinite; z-index: 3; }
.card-glow { position: absolute; inset: -1px; background: var(--gradient-1); opacity: 0.15; border-radius: inherit; z-index: -1; filter: blur(20px); }
.fc-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-md); }
.fc-header i { width: 40px; height: 40px; border-radius: var(--radius-md); background: var(--gradient-1); display: grid; place-items: center; color: #fff; font-size: 1rem; }
.fc-live { display: inline-flex; align-items: center; gap: 6px; font-size: 0.7rem; font-weight: 700; color: var(--danger); background: rgba(239,68,68,0.1); padding: 4px 10px; border-radius: var(--radius-full); }
.fc-live .pulse { width: 6px; height: 6px; background: var(--danger); border-radius: 50%; animation: pulse 1.5s infinite; }
.card-main h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 4px; }
.card-main p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: var(--space-md); }
.fc-progress { display: flex; align-items: center; gap: var(--space-sm); }
.progress-bar { flex: 1; height: 6px; background: rgba(255,255,255,0.08); border-radius: var(--radius-full); overflow: hidden; }
.progress-bar > div { height: 100%; background: var(--gradient-1); border-radius: inherit; }
.fc-progress span { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); }

.card-secondary { width: 200px; padding: var(--space-md); top: 10%; left: -5%; animation: floatCard 7s ease-in-out infinite; animation-delay: -2s; z-index: 2; }
.card-secondary .card-content { display: flex; align-items: center; gap: var(--space-md); }
.card-secondary i { font-size: 1.4rem; color: var(--success); }
.card-tertiary { width: 200px; padding: var(--space-md); bottom: 15%; right: -5%; animation: floatCard 8s ease-in-out infinite; animation-delay: -4s; z-index: 2; }
.card-tertiary .card-content { display: flex; align-items: center; gap: var(--space-md); }
.card-tertiary i { font-size: 1.4rem; color: var(--warning); }
.fc-value { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.fc-label { font-size: 0.75rem; color: var(--text-muted); }
@keyframes floatCard { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-12px);} }

.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2; }
.mouse { width: 22px; height: 36px; border: 2px solid rgba(255,255,255,0.3); border-radius: 12px; position: relative; }
.wheel { width: 4px; height: 4px; background: rgba(255,255,255,0.6); border-radius: 50%; position: absolute; top: 6px; left: 50%; transform: translateX(-50%); animation: scrollWheel 2s infinite; }
@keyframes scrollWheel { 0%{opacity:1; top:6px;} 100%{opacity:0; top:18px;} }

/* Stats Bar */
.stats-bar { background: linear-gradient(180deg, transparent, rgba(19,125,126,0.04)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: var(--space-2xl) 0; position: relative; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
.stats-item { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); border-radius: var(--radius-lg); background: var(--bg-card); border: 1px solid var(--border); transition: transform var(--transition-base), border-color var(--transition-base); }
.stats-item:hover { transform: translateY(-3px); border-color: var(--border-hover); }
.stats-item i { width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--gradient-1); display: grid; place-items: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
.stats-item strong { display: block; font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; }
.stats-item span { font-size: 0.8rem; color: var(--text-muted); }

/* Section Headers */
.section-header { text-align: center; max-width: 640px; margin: 0 auto var(--space-3xl); }
.section-tag { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-start); background: rgba(19,125,126,0.1); padding: 6px 14px; border-radius: var(--radius-full); margin-bottom: var(--space-md); border: 1px solid rgba(19,125,126,0.15); }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: var(--space-md); }
.section-desc { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-xl); transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base); }
.feature-card:hover { transform: translateY(-6px); border-color: var(--border-hover); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.fc-icon { width: 52px; height: 52px; border-radius: var(--radius-md); background: rgba(255,255,255,0.04); border: 1px solid var(--border); display: grid; place-items: center; font-size: 1.3rem; color: var(--icon-color, var(--accent-start)); margin-bottom: var(--space-md); transition: transform var(--transition-base); }
.feature-card:hover .fc-icon { transform: scale(1.1) rotate(-4deg); }
.feature-card h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* Courses */
.courses-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.course-card { position: relative; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--border); background: var(--bg-card); transition: transform var(--transition-base), box-shadow var(--transition-base); display: block; }
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cc-bg { position: absolute; inset: 0; opacity: 0.15; transition: opacity var(--transition-base); }
.course-card:hover .cc-bg { opacity: 0.25; }
.cc-content { position: relative; padding: var(--space-xl); z-index: 2; }
.cc-content > i { width: 48px; height: 48px; border-radius: var(--radius-md); background: rgba(255,255,255,0.08); display: grid; place-items: center; font-size: 1.2rem; color: #fff; margin-bottom: var(--space-md); }
.cc-content h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.cc-content p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: var(--space-md); line-height: 1.5; }
.cc-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; font-weight: 600; color: var(--text-primary); transition: gap var(--transition-base); }
.course-card:hover .cc-link { gap: 10px; }

/* How It Works */
.steps { position: relative; max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-xl); }
.step-line { position: absolute; left: 28px; top: 0; bottom: 0; width: 2px; background: var(--border); border-radius: var(--radius-full); }
.step-progress { width: 100%; height: 0%; background: var(--gradient-1); border-radius: inherit; transition: height 1s var(--transition-slow); }
.step-progress.visible { height: 100%; }
.step-card { display: flex; gap: var(--space-lg); align-items: flex-start; position: relative; z-index: 2; }
.step-num { flex-shrink: 0; width: 56px; height: 56px; border-radius: var(--radius-full); background: var(--bg-elevated); border: 2px solid var(--border); display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--text-secondary); transition: all var(--transition-base); }
.step-card:hover .step-num { border-color: var(--accent-start); color: var(--accent-start); box-shadow: 0 0 20px rgba(19,125,126,0.2); }
.step-body { padding-top: 6px; }
.step-body h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
.step-body p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* Dashboard Preview */
.dashboard-mock { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-xl); overflow: hidden; display: grid; grid-template-columns: 220px 1fr; box-shadow: var(--shadow-lg); }
.db-sidebar { background: rgba(0,0,0,0.2); border-right: 1px solid var(--border); padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-xl); }
.db-brand { display: flex; align-items: center; gap: var(--space-sm); font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.db-brand i { color: var(--accent-start); }
.db-nav { display: flex; flex-direction: column; gap: 4px; }
.db-nav a { display: flex; align-items: center; gap: var(--space-sm); padding: 10px 12px; border-radius: var(--radius-md); font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); transition: all var(--transition-fast); }
.db-nav a:hover, .db-nav a.active { background: var(--bg-glass); color: var(--text-primary); }
.db-nav a.active { box-shadow: inset 2px 0 0 var(--accent-start); }
.db-main { display: flex; flex-direction: column; }
.db-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-md) var(--space-xl); border-bottom: 1px solid var(--border); gap: var(--space-md); }
.db-search { display: flex; align-items: center; gap: var(--space-sm); background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 8px 12px; font-size: 0.8rem; color: var(--text-muted); flex: 1; max-width: 320px; }
.db-actions { display: flex; align-items: center; gap: var(--space-md); }
.db-notif { position: relative; width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border); display: grid; place-items: center; color: var(--text-secondary); cursor: pointer; transition: all var(--transition-fast); }
.db-notif:hover { border-color: var(--border-hover); color: var(--text-primary); }
.notif-dot { position: absolute; top: -4px; right: -4px; background: var(--danger); color: #fff; font-size: 0.6rem; font-weight: 700; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--bg-elevated); }
.db-avatar { display: flex; align-items: center; gap: var(--space-sm); }
.db-avatar img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.db-avatar strong { display: block; font-size: 0.8rem; font-weight: 600; }
.db-avatar span { display: block; font-size: 0.7rem; color: var(--text-muted); }
.db-body { padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-lg); }
.db-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.db-stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-md); display: flex; align-items: center; gap: var(--space-md); transition: border-color var(--transition-base); }
.db-stat-card:hover { border-color: var(--border-hover); }
.db-stat-card i { font-size: 1.3rem; }
.dbs-value { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.dbs-label { font-size: 0.75rem; color: var(--text-muted); }
.db-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.db-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-lg); }
.db-panel h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; margin-bottom: var(--space-md); }
.db-progress-item { margin-bottom: var(--space-md); }
.db-progress-item:last-child { margin-bottom: 0; }
.dbp-info { display: flex; justify-content: space-between; font-size: 0.8rem; margin-bottom: 6px; }
.dbp-info span:last-child { color: var(--text-muted); }
.dbp-bar { height: 6px; background: rgba(255,255,255,0.06); border-radius: var(--radius-full); overflow: hidden; }
.dbp-bar > div { height: 100%; background: var(--gradient-1); border-radius: inherit; }

.chart-bars { display: flex; align-items: flex-end; justify-content: space-between; height: 140px; gap: 8px; }
.cbar { flex: 1; height: var(--h); background: var(--gradient-1); border-radius: var(--radius-sm) var(--radius-sm) 0 0; position: relative; opacity: 0.85; transition: opacity var(--transition-fast); }
.cbar:hover { opacity: 1; }
.cbar::after { content: attr(data-label); position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); font-size: 0.65rem; color: var(--text-muted); }
.cbar span { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); font-size: 0.65rem; font-weight: 600; color: var(--text-secondary); white-space: nowrap; }

.activity-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.activity-list li { display: flex; align-items: center; gap: var(--space-sm); font-size: 0.85rem; color: var(--text-secondary); padding: 8px; border-radius: var(--radius-md); transition: background var(--transition-fast); }
.activity-list li:hover { background: rgba(255,255,255,0.03); }
.act-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.activity-list time { margin-left: auto; font-size: 0.7rem; color: var(--text-muted); white-space: nowrap; }
[dir="rtl"] .activity-list time { margin-left: 0; margin-right: auto; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.testimonial { background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-xl); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: transform var(--transition-base), box-shadow var(--transition-base); }
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.t-stars { color: #B08C3F; font-size: 0.8rem; margin-bottom: var(--space-md); display: flex; gap: 3px; }
.t-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-lg); font-style: italic; }
.t-author { display: flex; align-items: center; gap: var(--space-md); }
.t-author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.t-author strong { display: block; font-size: 0.9rem; font-weight: 600; }
.t-author span { font-size: 0.8rem; color: var(--text-muted); }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); align-items: start; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-xl); position: relative; overflow: hidden; transition: transform var(--transition-base), box-shadow var(--transition-base); }
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.featured { border-color: rgba(19,125,126,0.3); background: linear-gradient(180deg, rgba(19,125,126,0.06), var(--bg-card)); }
.pc-glow { position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(19,125,126,0.12), transparent 60%); opacity: 0; transition: opacity var(--transition-base); pointer-events: none; }
.pricing-card.featured:hover .pc-glow { opacity: 1; }
.pc-badge { position: absolute; top: 14px; right: 14px; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; background: var(--gradient-1); color: #fff; padding: 4px 10px; border-radius: var(--radius-full); }
.pc-header { margin-bottom: var(--space-xl); }
.pc-header h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; margin-bottom: var(--space-sm); }
.pc-price { display: flex; align-items: flex-start; gap: 2px; margin-bottom: var(--space-sm); }
.pc-price .currency { font-size: 1.2rem; font-weight: 600; color: var(--text-secondary); margin-top: 4px; }
.pc-price .amount { font-family: var(--font-display); font-size: 3rem; font-weight: 700; line-height: 1; }
.pc-price .period { font-size: 0.9rem; color: var(--text-muted); align-self: flex-end; margin-bottom: 6px; margin-left: 4px; }
.pc-header p { font-size: 0.85rem; color: var(--text-secondary); }
.pc-features { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-xl); }
.pc-features li { display: flex; align-items: center; gap: var(--space-sm); font-size: 0.9rem; color: var(--text-secondary); }
.pc-features li i { font-size: 0.75rem; width: 18px; text-align: center; }
.pc-features li i.fa-check { color: var(--success); }
.pc-features li i.fa-xmark { color: var(--text-muted); }
.pc-features li.disabled { opacity: 0.5; }

/* Community CTA */
.community { padding-bottom: var(--space-4xl); }
.community-card { position: relative; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-3xl); overflow: hidden; text-align: center; }
.cc-glow { position: absolute; inset: -1px; background: var(--gradient-1); opacity: 0.08; filter: blur(40px); pointer-events: none; }
.community-content { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
.community-content h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.2; margin-bottom: var(--space-md); }
.community-content p { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: var(--space-xl); line-height: 1.7; }
.community-ctas { display: flex; gap: var(--space-md); justify-content: center; margin-bottom: var(--space-xl); flex-wrap: wrap; }
.community-avatars { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); }
.community-avatars img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 2px solid var(--bg-elevated); margin-left: -10px; transition: transform var(--transition-base); }
.community-avatars img:first-child { margin-left: 0; }
.community-avatars img:hover { transform: translateY(-3px); z-index: 2; }
.community-avatars span { font-size: 0.8rem; color: #B08C3F; margin-left: var(--space-sm); font-weight: 500; }

/* Footer */
.footer { background: linear-gradient(180deg, transparent, rgba(0,0,0,0.4)); border-top: 1px solid var(--border); padding-top: var(--space-3xl); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: var(--space-2xl); margin-bottom: var(--space-3xl); }
.footer-brand .logo { margin-bottom: var(--space-md); }
.footer-brand p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-lg); max-width: 280px; }
.social-links { display: flex; gap: var(--space-sm); }
.social-links a { width: 38px; height: 38px; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border); display: grid; place-items: center; color: var(--text-secondary); font-size: 0.9rem; transition: all var(--transition-base); }
.social-links a:hover { background: var(--bg-glass); color: var(--text-primary); border-color: var(--border-hover); transform: translateY(-2px); }
.footer-col h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; margin-bottom: var(--space-lg); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a { font-size: 0.85rem; color: var(--text-secondary); transition: color var(--transition-fast); }
.footer-col a:hover { color: var(--text-primary); }
.footer-lang { margin-top: var(--space-lg); display: flex; align-items: center; gap: var(--space-sm); }
.footer-lang span { font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom { border-top: 1px solid var(--border); padding: var(--space-lg) 0; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); flex-wrap: wrap; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: var(--space-lg); }
.footer-legal a { font-size: 0.8rem; color: var(--text-muted); transition: color var(--transition-fast); }
.footer-legal a:hover { color: var(--text-primary); }

/* Toast */
.toast { position: fixed; bottom: 24px; left: 24px; z-index: 2000; display: flex; align-items: center; gap: var(--space-md); background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-md) var(--space-lg); box-shadow: var(--shadow-lg); backdrop-filter: blur(16px); transform: translateY(120px); opacity: 0; transition: transform 0.5s var(--transition-slow), opacity 0.5s var(--transition-slow); }
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--gradient-1); display: grid; place-items: center; color: #fff; font-size: 0.9rem; flex-shrink: 0; }
.toast-body strong { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.toast-body span { font-size: 0.8rem; color: var(--text-secondary); }

/* --------------------------------------------
   Responsive Design (Mobile First)
   -------------------------------------------- */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: var(--space-2xl); }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { height: 400px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-mock { grid-template-columns: 1fr; }
  .dashboard-mock .db-sidebar { display: none; }
  .db-row { grid-template-columns: 1fr; }
  .db-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav { position: fixed; inset: var(--navbar-height) 0 0 0; background: rgba(10,20,32,0.95); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); flex-direction: column; align-items: stretch; padding: var(--space-xl); gap: var(--space-xl); transform: translateX(100%); transition: transform var(--transition-slow); border-top: 1px solid var(--border); }
  .main-nav.open { transform: translateX(0); }
  .nav-links { flex-direction: column; align-items: stretch; gap: var(--space-sm); }
  .nav-links a { padding: 10px 0; font-size: 1.1rem; }
  .nav-actions { flex-direction: column; align-items: stretch; }
  .hamburger { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .steps { gap: var(--space-lg); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .community-ctas { flex-direction: column; align-items: center; }
  .community-ctas .btn { width: 100%; max-width: 280px; }
  .toast { left: 16px; right: 16px; bottom: 16px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .db-stats { grid-template-columns: 1fr; }
  .section { padding: var(--space-3xl) 0; }
  .card-main { width: 260px; padding: var(--space-lg); }
}

/* ============================================
   LOGIN MODAL, DROPDOWNS & DASHBOARD PAGE
   ============================================ */

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 32, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--transition-slow);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  width: 100%;
  max-width: 420px;
  margin: var(--space-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(0.98);
  transition: transform 0.35s var(--transition-slow);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}
.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
}
.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  line-height: 1;
  transition: all var(--transition-fast);
}
.modal-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Login Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent-start);
  box-shadow: 0 0 0 3px rgba(19, 125, 126, 0.15);
}
.demo-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}
.login-error {
  text-align: center;
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: var(--space-xs);
  display: none;
}
.login-error.show {
  display: block;
  animation: shake 0.4s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Dropdowns */
.dropdown {
  position: relative;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  min-width: 260px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.98);
  transition: all 0.25s var(--transition-slow);
  z-index: 200;
}
.dropdown.open .dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}
.dropdown-header {
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.dropdown-item:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}
.dropdown-item i {
  width: 18px;
  text-align: center;
  font-size: 0.85rem;
}
.dropdown-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dropdown-body strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}
.dropdown-body span {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.dropdown-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

/* ============================================
   DASHBOARD PAGE LAYOUT
   ============================================ */
.dashboard-page {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: minmax(0, 1fr);
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 120% 80% at 100% 0%, rgba(19, 125, 126, 0.12), transparent 50%),
    radial-gradient(ellipse 80% 60% at 0% 100%, rgba(18, 52, 85, 0.35), transparent 45%),
    var(--bg);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Three direct children (overlay, sidebar, main): explicit placement so <main> is not auto-placed in the 260px column */
.dashboard-page .sidebar-overlay {
  grid-column: 1 / -1;
  grid-row: 1;
}

/* Sidebar (fixed) */
.dashboard-page .db-sidebar {
  grid-column: 1;
  grid-row: 1;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 260px;
  background: linear-gradient(180deg, rgba(14, 31, 51, 0.98) 0%, var(--bg-elevated) 45%, var(--bg-elevated) 100%);
  border-right: 1px solid var(--border);
  box-shadow: 4px 0 32px rgba(0, 0, 0, 0.25);
  z-index: 100;
  padding: var(--space-lg);
  padding-top: max(var(--space-lg), env(safe-area-inset-top));
  padding-bottom: max(var(--space-lg), env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.db-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.db-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.db-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.db-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}
.db-nav a:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}
.db-nav a.active {
  background: rgba(19, 125, 126, 0.1);
  color: var(--accent-start);
  font-weight: 600;
}
.db-nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--accent-start);
  border-radius: var(--radius-full);
}

/* User block at bottom of sidebar */
.db-user {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}
.db-user img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.db-user strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
}
.db-user span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}
.db-logout {
  margin-left: auto;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}
.db-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Main area: column 2 — do not use margin-left; grid already reserves 260px for the sidebar track */
.dashboard-page .db-main {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.dashboard-page .db-page-content {
  flex: 1;
  width: 100%;
  min-width: 0;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(var(--space-md), 3vw, var(--space-2xl)) max(var(--space-lg), env(safe-area-inset-bottom));
  box-sizing: border-box;
}

.dashboard-page .db-body.db-section {
  padding: var(--space-lg) 0 var(--space-2xl);
}

/* Sticky header */
.dashboard-page .db-header {
  position: sticky;
  top: 0;
  background: rgba(10, 20, 32, 0.78);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  z-index: 50;
  padding: var(--space-md) clamp(var(--space-md), 3vw, var(--space-2xl));
  padding-top: max(var(--space-md), env(safe-area-inset-top));
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  column-gap: var(--space-lg);
  max-width: 1320px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.db-header-start {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
}

.db-header-text {
  min-width: 0;
}

.db-header-eyebrow {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.db-header-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
}

.dashboard-page .db-search {
  justify-self: center;
  width: 100%;
  max-width: 420px;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 12px;
  min-height: 42px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: text;
}

.dashboard-page .db-search:focus-within {
  border-color: rgba(19, 125, 126, 0.45);
  box-shadow: 0 0 0 3px rgba(19, 125, 126, 0.12);
}

.dashboard-page .db-search i {
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.dashboard-page .db-search input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  padding: 10px 0;
  outline: none;
}

.dashboard-page .db-search input::placeholder {
  color: var(--text-muted);
}

.dashboard-page .db-search input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.dashboard-page .db-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-self: end;
}

.dashboard-page .db-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.dashboard-page .db-stat-card {
  min-width: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, var(--bg-card) 100%);
}

.dashboard-page .db-stat-card .dbs-value {
  font-variant-numeric: tabular-nums;
}

.dashboard-page .db-panel {
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.dashboard-page .db-panel.db-chart {
  padding-bottom: calc(var(--space-xl) + 8px);
}

.dashboard-page .db-chart .chart-bars {
  margin-bottom: 4px;
}

.dashboard-page .dbp-info span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: var(--space-sm);
}

.dashboard-page .activity-list li {
  align-items: flex-start;
  gap: var(--space-sm);
}

.dashboard-page .activity-list li > span:nth-child(2) {
  flex: 1;
  min-width: 0;
  line-height: 1.45;
}

.dashboard-page .course-table {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-inline: calc(-1 * var(--space-xs));
  padding-inline: var(--space-xs);
}

.dashboard-page .course-table .ct-row {
  min-width: min(100%, 520px);
}

/* Avatar info hidden on small screens inside header */
.db-avatar-info {
  display: block;
}
.db-avatar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: none;
  border: none;
  padding: 0;
}

.dashboard-page .db-avatar {
  cursor: pointer;
  border-radius: var(--radius-md);
  padding: 4px 6px 4px 4px;
  margin: -4px -6px -4px -4px;
  transition: background var(--transition-fast);
}

.dashboard-page .db-avatar:hover {
  background: var(--bg-glass);
}

.dashboard-page .dropdown .db-notif {
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.dashboard-page .dropdown .db-notif:hover {
  border-color: var(--border-hover);
  background: var(--bg-glass);
}
.db-avatar img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

/* Live session widget */
.live-session {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.live-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-1);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.live-info {
  flex: 1;
}
.live-info strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}
.live-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Recommended course */
.rec-course {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color var(--transition-base);
}
.rec-course:hover {
  border-color: var(--border-hover);
}
.rec-course img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: cover;
}
.rec-info {
  flex: 1;
}
.rec-info strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}
.rec-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Course Table */
.course-table {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: var(--space-md);
}
.ct-row {
  display: grid;
  grid-template-columns: 2fr 1.2fr 0.8fr 1fr;
  align-items: center;
  gap: var(--space-md);
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.ct-row:not(.ct-header):hover {
  background: rgba(255,255,255,0.02);
}
.ct-header {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.ct-course {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.ct-course img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}
.ct-course strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}
.ct-course span {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.ct-progress {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.ct-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  text-align: center;
}
.ct-active { background: rgba(19, 125, 126, 0.12); color: var(--accent-start); }
.ct-done { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.ct-pending { background: rgba(255,255,255,0.04); color: var(--text-muted); }
.ct-cert { background: var(--gradient-1); color: #fff; cursor: pointer; transition: opacity var(--transition-fast); }
.ct-cert:hover { opacity: 0.9; }

/* Dashboard layout fixes for flex-based rows */
#section-community .db-row,
#section-settings .db-row {
  display: flex;
  flex-wrap: wrap;
}
#section-community .db-row > .db-panel:first-child {
  flex: 2;
  min-width: 300px;
}
#section-community .db-row > .db-panel:last-child {
  flex: 1;
  min-width: 240px;
}
#section-settings .db-row > .db-panel {
  flex: 1;
  min-width: 280px;
}

/* Certificate grid */
#section-certificates .db-row {
  grid-template-columns: repeat(4, 1fr);
}

/* Dashboard Responsive */
@media (max-width: 1024px) {
  .dashboard-page {
    grid-template-columns: 1fr;
  }
  .dashboard-page .sidebar-overlay {
    grid-column: 1;
    grid-row: 1;
    z-index: 280;
  }
  .dashboard-page .db-sidebar {
    grid-column: 1;
    grid-row: 1;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    display: flex;
    width: min(300px, calc(100vw - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px) - 16px));
    max-width: 100%;
    transform: translateX(-100%);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
    z-index: 320;
    will-change: transform;
    box-shadow: none;
  }
  .dashboard-page .db-sidebar.open {
    transform: translateX(0);
    box-shadow: 12px 0 40px rgba(0, 0, 0, 0.5);
  }
  .dashboard-page .db-main {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    min-width: 0;
    position: relative;
    z-index: 1;
  }
  .db-avatar-info {
    display: none;
  }
  #section-certificates .db-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .ct-row {
    grid-template-columns: 1.5fr 1fr 0.7fr;
  }
  .ct-row .ct-badge:last-child {
    display: none;
  }
  .ct-header span:last-child {
    display: none;
  }
  .dashboard-page .db-nav a {
    min-height: 44px;
  }
}

@media (max-width: 768px) {
  .dashboard-page .db-body.db-section {
    padding: var(--space-md) 0 var(--space-xl);
    gap: var(--space-md);
  }
  .dashboard-page .db-header {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    row-gap: var(--space-sm);
    column-gap: var(--space-md);
    padding: var(--space-sm) clamp(var(--space-sm), 4vw, var(--space-md));
    padding-top: max(var(--space-sm), env(safe-area-inset-top));
  }
  .dashboard-page .db-header-start {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }
  .dashboard-page .db-actions {
    grid-column: 2;
    grid-row: 1;
  }
  .dashboard-page .db-search {
    grid-column: 1 / -1;
    grid-row: 2;
    max-width: none;
    width: 100%;
    justify-self: stretch;
  }
  .dashboard-page .dropdown-menu {
    max-width: min(300px, calc(100vw - 20px));
  }
  #section-community .db-row > .db-panel:first-child,
  #section-community .db-row > .db-panel:last-child,
  #section-settings .db-row > .db-panel {
    min-width: 0;
  }
  .db-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .dashboard-page .db-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
  }
  .dashboard-page .db-stat-card {
    padding: var(--space-sm);
  }
  .dashboard-page .db-panel {
    padding: var(--space-md);
  }
  .dashboard-page .activity-list time {
    width: 100%;
    margin-inline-start: 0;
    margin-top: 2px;
    padding-inline-start: 1.25rem;
  }
  .cert-card {
    padding-top: var(--space-xl);
  }
  .ct-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-bottom: var(--space-sm);
  }
  .ct-header {
    display: none;
  }
  .ct-row .ct-progress {
    width: 100%;
  }
  .ct-row .ct-progress .dbp-bar {
    flex: 1;
    width: 100% !important;
  }
  .chart-bars {
    height: 120px;
    gap: 6px;
  }
  .cbar span {
    font-size: 0.6rem;
  }
  .feed-post {
    flex-direction: column;
  }
  .live-session {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .dashboard-page .db-stats {
    grid-template-columns: minmax(0, 1fr);
  }
  #section-certificates .db-row {
    grid-template-columns: 1fr;
  }
  .chart-bars {
    height: 100px;
    gap: 4px;
  }
  .cbar span {
    font-size: 0.55rem;
    top: -18px;
  }
  .feed-post {
    flex-direction: column;
  }
  .feed-post > img {
    width: 36px;
    height: 36px;
  }
}

/* ============================================
   DASHBOARD SECTIONS: CERTIFICATES, COMMUNITY, SETTINGS
   ============================================ */

/* Section visibility */
.db-section {
  display: none;
  animation: fadeIn 0.35s ease;
}
.db-section.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Certificate Cards */
.cert-card {
  position: relative;
  text-align: center;
  padding-top: var(--space-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.cert-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
}
.cert-badge.pending {
  background: var(--text-muted);
}
.cert-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.4rem;
  margin: 0 auto var(--space-md);
}
.cert-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.cert-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

/* Community Feed */
.community-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.feed-post {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color var(--transition-base);
}
.feed-post:hover {
  border-color: var(--border-hover);
}
.feed-post > img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  flex-shrink: 0;
}
.feed-body {
  flex: 1;
}
.feed-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: 6px;
}
.feed-meta strong {
  font-size: 0.9rem;
  font-weight: 600;
}
.feed-meta span {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.feed-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-sm);
}
.feed-actions {
  display: flex;
  gap: var(--space-lg);
}
.feed-actions span {
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.feed-actions span:hover {
  color: var(--text-primary);
}

/* Top Users */
.top-users {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.top-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.top-user:hover {
  background: rgba(255,255,255,0.02);
}
.top-user img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.top-user strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}
.top-user span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Trending Tags */
.trending-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.trend-tag {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-start);
  background: rgba(19, 125, 126, 0.1);
  border: 1px solid rgba(19, 125, 126, 0.15);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.trend-tag:hover {
  background: rgba(19, 125, 126, 0.2);
}

/* Settings */
.settings-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md) 0 var(--space-lg);
}
.settings-avatar img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
}
.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.settings-form .form-group input {
  width: 100%;
}
.toggle-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px 0;
}
.toggle-item input[type="checkbox"] {
  width: 40px;
  height: 22px;
  appearance: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.toggle-item input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform var(--transition-fast), background var(--transition-fast);
}
.toggle-item input[type="checkbox"]:checked {
  background: rgba(19, 125, 126, 0.2);
  border-color: var(--accent-start);
}
.toggle-item input[type="checkbox"]:checked::after {
  transform: translateX(18px);
  background: var(--accent-start);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.sidebar-overlay.active {
  opacity: 1;
  pointer-events: all;
}
/* Menu / close: visible by default so mobile rules are not overridden later; hidden on large dashboard only */
.sidebar-toggle {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1rem;
  -webkit-tap-highlight-color: transparent;
}
.sidebar-close {
  display: grid;
  place-items: center;
  margin-inline-start: auto;
  width: 32px;
  height: 32px;
  min-width: 40px;
  min-height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 1025px) {
  .dashboard-page .sidebar-toggle,
  .dashboard-page .sidebar-close {
    display: none;
  }
}