:root {
            --primary-color: #0066FF;
            --primary-dark: #0052CC;
            --primary-light: #4D94FF;
            --text-primary: #1E293B;
            --text-secondary: #475569;
            --secondary-color: #00D4AA;
            --accent-color: #FF6B35;
            --card-bg: #FFFFFF;
            --border-color: #E2E8F0;
            --text-primary: #1E293B;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --bg-light: #FAFBFF;
            --bg-secondary: #F8FAFC;
            --shadow-soft: 0 6px 24px rgba(16,24,40,0.08);
            --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.12);
            --transition-smooth: all 0.35s ease;
            --font-primary: 'Inter', sans-serif;
            --font-display: 'Space Grotesk', sans-serif;
            --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; scroll-padding-top: 140px; }
        body { 
            font-family: var(--font-primary); 
            color: var(--text-primary); 
            background: var(--bg-light); 
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin-top: 140px;
        }
        a { color: var(--primary-color); text-decoration: none; }

        /* ===== Navigation ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1.25rem 5%; /* slightly larger to fit wider logo */
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
            min-height: 120px; /* ensures the navbar has room for the logo */
        }

        .navbar.scrolled {
            padding: 1rem 5%;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-soft);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

        .logo-icon { display: none; }

        .logo-img {
            width: 230px;
            height: 100px;
            border-radius: 14px;
            display: inline-block;
            object-fit: cover;
            padding: 8px 10px; /* keep rectangular padding */
        }

        /* hide textual logo in navbar */
        .logo-text { display: none; }

        .logo-text {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .logo-text span {
            color: var(--primary-color);
            font-weight: 600;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: var(--transition-smooth);
        }

        .nav-links a:hover {
            color: var(--text-primary);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-cta {
            background: var(--gradient-primary);
            color: white !important;
            padding: 0.75rem 1.75rem;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
            transition: var(--transition-smooth);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(0, 102, 255, 0.5);
        }

        .nav-cta::after {
            display: none !important;
        }

        .logout-btn {
            padding: 0.75rem 1.5rem;
            background: linear-gradient(135deg, #EF4444, #DC2626);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logout-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-menu-btn span {
            width: 25px;
            height: 2px;
            background: var(--text-primary);
            transition: var(--transition-smooth);
        }

        /* Page hero */
        .hero {
            padding: 140px 5% 80px;
            background-image: url(/project.jpeg);
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(0, 102, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
            opacity: 0.5;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-shadow: 2px 2px 5px black;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 102, 255, 0.08);
            border: 1px solid rgba(0, 102, 255, 0.2);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.875rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-weight: 600;
        }
        
        .hero h1 { 
            font-family: var(--font-display); 
            font-size: 3rem; 
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--bg-light);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero p { 
            color: var(--bg-light); 
            font-size: 1.125rem;
            max-width: 800px;
            margin: 0 auto 1rem;
            line-height: 1.8;
        }

        /* Courses grid */
        .courses-section {
            max-width: 1400px; 
            margin: 0 auto; 
            padding: 4rem 5%;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .section-description {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* Batches legend */
        .batches-legend { 
            display: flex; 
            justify-content: center; 
            gap: 1rem; 
            flex-wrap: wrap; 
            margin-bottom: 3rem; 
            color: var(--text-secondary); 
            font-size: 0.95rem; 
        }
        
        .batches-legend .legend-item { 
            background: var(--bg-secondary); 
            padding: 0.75rem 1.25rem; 
            border-radius: 999px; 
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition-smooth);
        }

        .batches-legend .legend-item:hover {
            background: var(--card-bg);
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: var(--shadow-soft);
        }

        .courses { 
            display: grid; 
            gap: 2.5rem; 
            grid-template-columns: 1fr; 
        }
        
        @media (min-width: 900px) { 
            .courses { 
                grid-template-columns: repeat(2, minmax(540px, 1fr)); 
                gap: 2rem; 
            } 
        }
        
        @media (min-width: 1200px) { 
            .courses { 
                grid-template-columns: repeat(2, 1fr); 
                gap: 2.5rem; 
            } 
        }

        .course-card {
            background: var(--card-bg); 
            border: 1px solid var(--border-color); 
            border-radius: 20px; 
            padding: 2.5rem;
            box-shadow: var(--shadow-soft); 
            display: flex; 
            flex-direction: column; 
            justify-content: space-between; 
            gap: 1.5rem; 
            min-height: 420px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .course-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transition: var(--transition-smooth);
        }

        .course-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-medium);
            border-color: rgba(0, 102, 255, 0.3);
        }

        .course-card:hover::before {
            transform: scaleX(1);
        }

        .course-head { 
            display: flex; 
            align-items: flex-start; 
            gap: 1rem; 
        }
        
        .course-icon { 
            width: 64px; 
            height: 64px; 
            border-radius: 14px; 
            background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 170, 0.1)); 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-size: 1.75rem; 
            color: var(--primary-color);
            flex-shrink: 0;
            transition: var(--transition-smooth);
        }

        .course-card:hover .course-icon {
            transform: scale(1.1) rotate(5deg);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
        }

        .course-info {
            flex: 1;
        }
        
        .course-title { 
            font-family: var(--font-display);
            font-size: 1.375rem; 
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        
        .course-desc { 
            color: var(--text-secondary); 
            line-height: 1.7;
            font-size: 0.975rem;
        }

        /* Batch badge */
        .batch-badge { 
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(90deg, #E6F0FF, #EAFDF7); 
            color: var(--primary-dark); 
            padding: 0.5rem 1rem; 
            border-radius: 999px; 
            font-weight: 700; 
            font-size: 0.875rem; 
            margin-bottom: 1rem;
            border: 1px solid rgba(0, 102, 255, 0.2);
        }

        /* Course meta information */
        .course-meta { 
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .meta-item { 
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-secondary); 
            padding: 0.875rem 1rem; 
            border-radius: 12px; 
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .meta-item:hover {
            background: rgba(0, 102, 255, 0.05);
            border-color: var(--primary-color);
        }

        .meta-label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .meta-label i {
            color: var(--primary-color);
            width: 18px;
            text-align: center;
        }

        .meta-value {
            font-weight: 700;
            color: var(--text-primary);
        }

        .booking-dates {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .date-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
        }

        .date-label {
            color: var(--text-muted);
            font-weight: 600;
            min-width: 70px;
        }

        .date-value {
            color: var(--text-primary);
            font-weight: 700;
        }

        /* Footer section */
        .course-footer { 
            display: flex; 
            align-items: center; 
            justify-content: space-between; 
            gap: 1rem; 
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        
        .course-fee { 
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .fee-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .fee-value {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary-color);
        }
        
        .btn { 
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); 
            color: white; 
            padding: 0.875rem 1.75rem; 
            border-radius: 12px; 
            text-decoration: none; 
            display: inline-flex; 
            align-items: center; 
            gap: 0.5rem;
            font-weight: 700;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 102, 255, 0.4);
        }

        .btn i {
            transition: var(--transition-smooth);
        }

        .btn:hover i {
            transform: translateX(3px);
        }
        
        .btn.secondary { 
            background: transparent; 
            color: var(--primary-color); 
            border: 2px solid var(--primary-color);
            box-shadow: none;
        }

        .btn.secondary:hover {
            background: var(--primary-color);
            color: white;
        }

        /* Small utility */
        .muted { 
            color: var(--text-secondary); 
            font-size: 0.95rem; 
        }
        
        .container { 
            max-width: 1200px; 
            margin: 0 auto; 
            padding: 0 5%; 
        }

        .view-all-section {
            text-align: center;
            margin-top: 3rem;
            padding-top: 3rem;
            border-top: 1px solid var(--border-color);
        }

        /* Status badges */
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 0.75rem;
            border-radius: 50px;
            font-size: 0.8125rem;
            font-weight: 700;
            margin-left: auto;
        }

        .status-badge.available {
            background: rgba(16, 185, 129, 0.1);
            color: #059669;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .status-badge.filling-fast {
            background: rgba(255, 107, 53, 0.1);
            color: #EA580C;
            border: 1px solid rgba(255, 107, 53, 0.2);
        }

        /* ===== Footer ===== */
        .footer {
            background: linear-gradient(135deg, #0A0E27 0%, #1E293B 100%);
            color: #E2E8F0;
            padding: 4rem 5% 2rem;
            position: relative;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

        .footer-logo-icon { display: none; }

        .footer-logo-img {
            width: 120px;
            height: 72px;
            border-radius: 14px;
            display: inline-block;
            object-fit: cover;
            padding: 8px 10px;
        }

        .footer-logo-text {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: white;
        }

        .footer-logo-text span {
            color: var(--primary-light);
        }

        .footer-description {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: #94A3B8;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social-link {
            width: 45px;
            height: 45px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94A3B8;
            font-size: 1.125rem;
            text-decoration: none;
            transition: var(--transition-smooth);
        }

        .footer-social-link:hover {
            background: var(--gradient-primary);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-family: var(--font-display);
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: white;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 0.9375rem;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(5px);
        }

        .footer-links a i {
            font-size: 0.75rem;
            opacity: 0;
            transition: var(--transition-smooth);
        }

        .footer-links a:hover i {
            opacity: 1;
        }

        .footer-bottom {
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-copyright {
            font-size: 0.875rem;
            color: #94A3B8;
        }

        .footer-bottom-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .footer-bottom-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 0.875rem;
            transition: var(--transition-smooth);
        }

        .footer-bottom-links a:hover {
            color: var(--primary-light);
        }



        /* ── Seat bar & social proof additions ── */
        .seats-section {
            margin-top: 0.875rem;
            padding-top: 0.875rem;
            border-top: 1px solid var(--border-color, rgba(0,0,0,0.08));
        }

        .seats-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.5rem;
            font-size: 0.8125rem;
        }

        .seats-label {
            font-weight: 700;
            color: var(--gray-700, #334155);
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .seats-counts {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .seats-booked { color: #ef4444; }
        .seats-free   { color: #10b981; }

        /* Progress bar */
        .seats-bar-track {
            height: 7px;
            background: #e2e8f0;
            border-radius: 100px;
            overflow: hidden;
            margin-bottom: 0.5rem;
        }

        .seats-bar-fill {
            height: 100%;
            border-radius: 100px;
            transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
            background: linear-gradient(90deg, #10b981, #ef4444);
        }

        /* Seat urgency states */
        .seats-bar-fill.urgent  { background: linear-gradient(90deg, #f59e0b, #ef4444); }
        .seats-bar-fill.full    { background: #ef4444; }

        .seats-remaining {
            font-size: 0.78rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .seats-remaining.plenty  { color: #10b981; }
        .seats-remaining.warning { color: #f59e0b; }
        .seats-remaining.urgent  { color: #ef4444; }
        .seats-remaining.full    { color: #ef4444; }

        /* Social proof avatars */
        .social-proof {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.75rem;
            padding: 0.625rem 0.875rem;
            background: rgba(16, 185, 129, 0.06);
            border: 1px solid rgba(16, 185, 129, 0.15);
            border-radius: 10px;
        }

        .social-proof.urgent-proof {
            background: rgba(239, 68, 68, 0.06);
            border-color: rgba(239, 68, 68, 0.18);
        }

        .proof-avatars {
            display: flex;
        }

        .proof-avatar {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            font-weight: 800;
            color: white;
            margin-right: -8px;
            flex-shrink: 0;
        }

        .proof-text {
            font-size: 0.75rem;
            font-weight: 600;
            color: #334155;
            margin-left: 12px;
            line-height: 1.4;
        }

        .proof-text span { font-weight: 800; }

        /* Full badge */
        .badge-full {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.25rem 0.75rem;
            background: #fef2f2;
            border: 1px solid #fecaca;
            color: #dc2626;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        /* Override the book now button when full */
        .btn.primary.disabled-btn {
            background: #94a3b8 !important;
            cursor: not-allowed;
            box-shadow: none !important;
            pointer-events: none;
            opacity: 0.7;
        }

        /* Batch order badge colours */
        .batch-badge.ba { background: rgba(0,102,255,0.10); color: #0066ff; border-color: rgba(0,102,255,0.2); }
        .batch-badge.bb { background: rgba(0,212,170,0.10); color: #00a688; border-color: rgba(0,212,170,0.2); }
        .batch-badge.bc { background: rgba(255,107,53,0.10); color: #ff6b35; border-color: rgba(255,107,53,0.2); }

        /* Date auto-advanced indicator */
        .date-advanced {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            font-size: .68rem;
            color: #7c3aed;
            font-weight: 600;
            margin-left: .4rem;
        }


        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                padding: 2rem;
                gap: 1.5rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-medium);
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .hero {
                padding: 100px 5% 60px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 1.5rem;
                align-items: center;
            }

            .stat-item {
                text-align: center;
            }

            .hero-image-container {
                max-width: 350px;
                margin-bottom: 1rem;
            }

            .floating-cards-wrapper {
                position: relative;
                display: flex;
                flex-wrap: wrap;
                justify-content: center;
                gap: 0.75rem;
                margin-top: 1.5rem;
            }

            .floating-card {
                position: relative;
                top: auto !important;
                left: auto !important;
                right: auto !important;
                bottom: auto !important;
                animation: none;
                flex-shrink: 0;
            }

            .hero-visual {
                flex-direction: column;
            }

            .btn {
                padding: 0.875rem 1.5rem;
                font-size: 0.9rem;
            }
        }



        /* Responsive Contact & Footer */
        @media (max-width: 1024px) {
            .contact-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .contact-section {
                padding: 60px 5%;
            }

            .contact-form-wrapper {
                padding: 2rem;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .footer {
                padding: 3rem 5% 1.5rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                flex-direction: column;
                gap: 0.75rem;
            }
        }