* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #0EA5E9;
            --accent: #06B6D4;
            --dark: #0F172A;
            --red: #EF4444;
            --orange: #F97316;
        }

        body {
            font-family: 'Rajdhani', sans-serif;
            overflow-x: hidden;
            background: #0F172A;
        }

        /* ANIMATED PARTICLES BACKGROUND */
        .particles-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
        }

        .particle {
            position: absolute;
            background: rgba(14, 165, 233, 0.3);
            border-radius: 50%;
            animation: float 20s infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { transform: translateY(-100vh) translateX(100px) scale(0); opacity: 0; }
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(20px);
            padding: 1.5rem 5%;
            z-index: 1000;
            border-bottom: 1px solid rgba(14, 165, 233, 0.2);
            animation: slideDown 0.8s ease;
        }

        @keyframes slideDown {
            from { transform: translateY(-100%); }
            to { transform: translateY(0); }
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo img {
            height: 50px;
        }

        .nav-menu {
            display: flex;
            gap: 3rem;
            list-style: none;
        }

        .nav-menu a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

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

        .btn-nav {
            padding: 0.8rem 2rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #ffffff;
            text-decoration: none;
            font-weight: 700;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-nav:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 40px rgba(14, 165, 233, 0.5);
        }
/* HERO SECTION - PROFESSIONAL LAYOUT */
.hero-explosion {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-top: 85px;
    background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #0F172A 100%);
    padding: 6rem 5%;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-content h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 3rem;
    line-height: 1.3;
    letter-spacing: -1px;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.badge-pill {
    padding: 0.8rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.badge-pill:hover {
    background: rgba(14, 165, 233, 0.2);
    border-color: #0EA5E9;
    transform: translateY(-2px);
}

/* FLOATING INFO BOX - BETTER SPACING */
.course-info-floating {
    position: relative;
    max-width: 1200px;
    margin: -80px auto 0;
    padding: 0 5%;
    z-index: 20;
}

.info-box {
    background: #ffffff;
    border: 1px solid #E2E8F0;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

        /* FLOATING COURSE INFO BOX */
        .course-info-floating {
            position: relative;
            max-width: 1400px;
            margin: -100px auto 0;
            padding: 0 5%;
            z-index: 20;
        }

        .info-box {
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(20px);
            border: 2px solid rgba(14, 165, 233, 0.3);
            border-radius: 32px;
            padding: 4rem;
            box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
            animation: floatIn 1s ease 0.5s both;
            position: relative;
            overflow: hidden;
            margin-top: 20px;
        }

        @keyframes floatIn {
            from { transform: translateY(100px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .info-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
        }

        .info-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .info-main h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 2rem;
        }

        .certification-badge {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #ffffff;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .info-main p {
            color: #94A3B8;
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        /* OPTIONS CARDS */
        .options-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .option-card {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
            border: 2px solid rgba(14, 165, 233, 0.3);
            border-radius: 20px;
            padding: 2rem;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
            overflow: hidden;
        }

        .option-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

        .option-card:hover::before {
            left: 100%;
        }

        .option-card:hover {
            transform: translateX(10px) scale(1.05);
            border-color: var(--primary);
            box-shadow: 0 20px 60px rgba(14, 165, 233, 0.4);
        }

        .option-card.intra {
            background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(249, 115, 22, 0.1) 100%);
            border-color: rgba(239, 68, 68, 0.3);
        }

        .option-card.intra:hover {
            border-color: var(--red);
            box-shadow: 0 20px 60px rgba(239, 68, 68, 0.4);
        }

        .option-card h3 {
            color: #ffffff;
            font-family: 'Orbitron', sans-serif;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

        .option-card p {
            color: #94A3B8;
            font-size: 1rem;
        }

        /* ANIMATED SECTIONS */
        .main-content {
            max-width: 1400px;
            margin: 8rem auto;
            padding: 0 5%;
        }

        .section-animated {
            margin-bottom: 6rem;
            opacity: 0;
            transform: translateY(60px);
            transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .section-animated.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 3rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 3rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 10px;
            animation: expand 1s ease;
        }

        @keyframes expand {
            from { width: 0; }
            to { width: 100%; }
        }

        /* PREREQUISITES GRID */
        .prereq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .prereq-card {
            background: rgba(15, 23, 42, 0.8);
            border: 2px solid rgba(14, 165, 233, 0.2);
            border-radius: 20px;
            padding: 2.5rem;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .prereq-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 0;
            background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
            transition: height 0.4s ease;
        }

        .prereq-card:hover::before {
            height: 100%;
        }

        .prereq-card:hover {
            transform: translateX(10px);
            border-color: var(--primary);
            box-shadow: 0 20px 60px rgba(14, 165, 233, 0.3);
        }

        .prereq-card::after {
            content: '✓';
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 2rem;
            color: var(--primary);
            opacity: 0;
            transition: all 0.4s ease;
        }

        .prereq-card:hover::after {
            opacity: 1;
            transform: scale(1.2) rotate(360deg);
        }

        .prereq-card p {
            color: #E2E8F0;
            font-size: 1.1rem;
            line-height: 1.7;
        }

        /* LEARNING OBJECTIVES */
        .objectives-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .objective-item {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
            border-left: 5px solid var(--primary);
            padding: 2rem;
            border-radius: 16px;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            cursor: pointer;
        }

        .objective-item:hover {
            transform: translateX(15px) scale(1.02);
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
            box-shadow: 0 15px 50px rgba(14, 165, 233, 0.2);
        }

        .objective-item::before {
            content: '→';
            display: inline-block;
            margin-right: 1rem;
            color: var(--primary);
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }

        .objective-item:hover::before {
            transform: translateX(10px);
        }

        .objective-item p {
            color: #E2E8F0;
            font-size: 1.1rem;
            line-height: 1.7;
        }

        /* PROGRAM SECTIONS - ACCORDION STYLE */
        .program-accordion {
            margin-top: 3rem;
        }

        .accordion-item {
            background: rgba(15, 23, 42, 0.8);
            border: 2px solid rgba(14, 165, 233, 0.2);
            border-radius: 16px;
            margin-bottom: 1.5rem;
            overflow: hidden;
            transition: all 0.4s ease;
        }

        .accordion-item:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 40px rgba(14, 165, 233, 0.2);
        }

        .accordion-header {
            padding: 2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .accordion-header::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 5px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .accordion-item.active .accordion-header::before {
            transform: scaleY(1);
        }

        .accordion-header:hover {
            background: rgba(14, 165, 233, 0.05);
        }

        .accordion-header h3 {
            color: #ffffff;
            font-size: 1.3rem;
            font-weight: 700;
        }

        .accordion-icon {
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .accordion-item.active .accordion-content {
            max-height: 500px;
            padding: 0 2rem 2rem;
        }

        .accordion-content p {
            color: #94A3B8;
            line-height: 1.8;
        }

        /* CTA SECTION */
        .cta-explosive {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 32px;
            padding: 6rem 4rem;
            text-align: center;
            margin: 8rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-explosive::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            animation: rotate 15s linear infinite;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-explosive h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: 4rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 2rem;
            animation: bounce 2s ease-in-out infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }

        .cta-explosive .la {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 3rem;
        }

        .btn-cta-huge {
            padding: 2rem 5rem;
            background: #ffffff;
            color: var(--dark);
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            border-radius: 50px;
            display: inline-block;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .btn-cta-huge:hover {
            transform: scale(1.1) translateY(-10px);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
        }

        /* Footer */
        footer {
            background: #0F172A;
            padding: 4rem 5% 2rem;
            border-top: 1px solid rgba(14, 165, 233, 0.2);
        }

        .footer-grid {
            max-width: 1400px;
            margin: 0 auto 3rem;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-section h4 {
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section a {
            color: #94A3B8;
            text-decoration: none;
            line-height: 2;
            transition: all 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--primary);
            transform: translateX(5px);
            display: inline-block;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            color: #94A3B8;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .info-content {
                grid-template-columns: 1fr;
            }

            .prereq-grid,
            .objectives-grid {
                grid-template-columns: 1fr;
            }

            .hero-content h1 {
                font-size: 4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hero-content h1 {
                font-size: 3rem;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Scroll-triggered animations */
        .scroll-reveal {
            opacity: 0;
            transform: translateY(100px);
        }

        .scroll-reveal.active {
            animation: scrollReveal 1s ease forwards;
        }

        @keyframes scrollReveal {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }