:root {
    /* Color Palette - Blue, Magenta & Red Theme */
    --primary-color: #818cf8;
    --primary-dark: #6366f1;
    --secondary-color: #f472b6;
    --accent-color: #fb7185;
    --success-color: #34d399;

    --bg-dark: #0c0515;
    --bg-darker: #050208;
    --bg-card: rgba(20, 10, 35, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #ffffff;
    --text-secondary: #c4b5fd;
    --text-muted: #8b5cf6;

    /* Gradients - Blue Magenta Red */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #f43f5e 100%);
    --gradient-secondary: linear-gradient(135deg, #f472b6 0%, #fb7185 50%, #f97316 100%);
    --gradient-bg: linear-gradient(180deg, #0c0515 0%, #1a0a2e 30%, #2d1b4e 50%, #1a0a2e 70%, #0c0515 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-menu a:hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--gradient-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    color: white !important;
}

.btn-nav::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-bg);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* ===== FLOATING PARTICLES ===== */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: float-particle 15s infinite ease-in-out;
}

.particle:nth-child(1) {
    left: 5%;
    top: 20%;
    animation-delay: 0s;
    animation-duration: 20s;
    width: 8px;
    height: 8px;
}

.particle:nth-child(2) {
    left: 15%;
    top: 60%;
    animation-delay: 2s;
    animation-duration: 18s;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.particle:nth-child(3) {
    left: 25%;
    top: 40%;
    animation-delay: 4s;
    animation-duration: 22s;
    width: 6px;
    height: 6px;
}

.particle:nth-child(4) {
    left: 35%;
    top: 80%;
    animation-delay: 1s;
    animation-duration: 16s;
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, #f43f5e, #f97316);
}

.particle:nth-child(5) {
    left: 45%;
    top: 10%;
    animation-delay: 3s;
    animation-duration: 19s;
    width: 10px;
    height: 10px;
}

.particle:nth-child(6) {
    left: 55%;
    top: 50%;
    animation-delay: 5s;
    animation-duration: 21s;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.particle:nth-child(7) {
    left: 65%;
    top: 30%;
    animation-delay: 2.5s;
    animation-duration: 17s;
    width: 16px;
    height: 16px;
}

.particle:nth-child(8) {
    left: 75%;
    top: 70%;
    animation-delay: 4.5s;
    animation-duration: 23s;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, #ec4899, #f472b6);
}

.particle:nth-child(9) {
    left: 85%;
    top: 15%;
    animation-delay: 1.5s;
    animation-duration: 20s;
    width: 12px;
    height: 12px;
}

.particle:nth-child(10) {
    left: 95%;
    top: 55%;
    animation-delay: 3.5s;
    animation-duration: 18s;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #f43f5e, #fb7185);
}

.particle:nth-child(11) {
    left: 10%;
    top: 85%;
    animation-delay: 0.5s;
    animation-duration: 24s;
    width: 10px;
    height: 10px;
}

.particle:nth-child(12) {
    left: 30%;
    top: 25%;
    animation-delay: 2.2s;
    animation-duration: 19s;
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.particle:nth-child(13) {
    left: 50%;
    top: 75%;
    animation-delay: 4.2s;
    animation-duration: 21s;
    width: 8px;
    height: 8px;
}

.particle:nth-child(14) {
    left: 70%;
    top: 5%;
    animation-delay: 1.8s;
    animation-duration: 17s;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #f472b6, #fb7185);
}

.particle:nth-child(15) {
    left: 90%;
    top: 35%;
    animation-delay: 3.8s;
    animation-duration: 22s;
    width: 10px;
    height: 10px;
}

@keyframes float-particle {

    0%,
    100% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0.4;
    }

    25% {
        transform: translateY(-80px) translateX(30px) rotate(90deg);
        opacity: 0.8;
    }

    50% {
        transform: translateY(-150px) translateX(-20px) rotate(180deg);
        opacity: 0.6;
    }

    75% {
        transform: translateY(-80px) translateX(40px) rotate(270deg);
        opacity: 0.8;
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-badge i {
    color: var(--accent-color);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease 0.4s backwards;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    animation: fadeInUp 1s ease 0.6s backwards;
}

.hero-subtitle strong {
    color: var(--primary-color);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s backwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 1s backwards;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--primary-color);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== SECTIONS ===== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== OVERVIEW SECTION ===== */
.overview {
    background: var(--bg-darker);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.overview-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
}

.overview-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.overview-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.overview-card .highlight {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.overview-card p {
    color: var(--text-secondary);
}

/* ===== CURRICULUM SECTION ===== */
.curriculum {
    background: var(--bg-dark);
}

.month-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 200px;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.tab-number {
    font-size: 2rem;
    font-weight: 800;
}

.tab-title {
    font-size: 0.9rem;
    font-weight: 600;
}

.month-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.month-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.module-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.module-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.module-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.module-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
}

.module-header h3 {
    font-size: 1.25rem;
    line-height: 1.3;
}

.module-topics {
    list-style: none;
}

.module-topics li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.module-topics i {
    color: var(--success-color);
    margin-top: 4px;
    flex-shrink: 0;
}

/* ===== FEATURES SECTION ===== */
.features {
    background: var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 0 30px rgba(124, 58, 237, 0.3);
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-value {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.feature-card p:last-child {
    color: var(--text-secondary);
}

/* ===== CERTIFICATIONS SECTION ===== */
.certifications {
    background: var(--bg-dark);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.cert-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

.cert-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.cert-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.cert-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.cert-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.cert-badge {
    display: inline-block;
    background: var(--gradient-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== ENROLLMENT SECTION ===== */
.enrollment {
    background: var(--bg-darker);
}

.enrollment-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.enrollment-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.enrollment-subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item strong {
    display: block;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

.enrollment-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.enrollment-form {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.enrollment-form h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-darker);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-whatsapp {

    0%,
    100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 24px rgba(37, 211, 102, 0.8);
    }
}

/* ===== VIDEO PREVIEW BUTTON ===== */
.video-preview {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.9s backwards;
}

.video-thumbnail {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-normal);
}

.video-thumbnail:hover {
    border-color: var(--secondary-color);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.4);
}

.play-button {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    animation: pulse-play 2s infinite;
}

@keyframes pulse-play {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.4);
    }

    50% {
        transform: scale(1.1);
        box-shadow: 0 0 20px rgba(236, 72, 153, 0.6);
    }
}

.video-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== VIDEO MODAL ===== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-modal.active {
    display: flex;
    opacity: 1;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    animation: modalSlideIn 0.4s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }

    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.video-modal-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
}

.video-modal-close:hover {
    transform: rotate(90deg) scale(1.1);
}

.video-container {
    padding: var(--spacing-md);
}

.video-container iframe,
.video-container video {
    width: 100%;
    aspect-ratio: 16/9;
    border: none;
    border-radius: var(--radius-md);
    background: #000;
}

.video-placeholder {
    aspect-ratio: 16/9;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-align: center;
    padding: var(--spacing-lg);
}

.video-placeholder i {
    font-size: 5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.video-placeholder h3 {
    font-size: 1.5rem;
}

.video-placeholder p {
    color: var(--text-secondary);
}

.video-instruction {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
}

/* ===== WHO IS THIS FOR SECTION ===== */
.who-is-this-for {
    background: var(--bg-dark);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.audience-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.audience-card:hover::before {
    transform: scaleX(1);
}

.audience-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.audience-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.audience-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

.audience-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== CERTIFICATE IMAGE PLACEHOLDER ===== */
.cert-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(99, 102, 241, 0.1) 100%);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

.cert-image-placeholder i {
    font-size: 3rem;
    color: var(--text-muted);
}

.cert-image-placeholder span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cert-card:hover .cert-image-placeholder {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(99, 102, 241, 0.2) 100%);
    cursor: zoom-in;
}

/* Zoom icon overlay */
.cert-image-placeholder::after {
    content: '\f00e';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    font-size: 2rem;
    color: white;
    opacity: 0;
    transition: var(--transition-normal);
    background: var(--gradient-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-image-placeholder {
    position: relative;
    cursor: zoom-in;
}

.cert-card:hover .cert-image-placeholder::after {
    opacity: 1;
}

/* When actual image is added */
.cert-card img.cert-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    cursor: zoom-in;
    transition: var(--transition-normal);
}

.cert-card:hover img.cert-image {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

/* ===== CERTIFICATE ZOOM MODAL ===== */
.cert-zoom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

.cert-zoom-modal.active {
    display: flex;
}

.cert-zoom-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    animation: zoomIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes zoomIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.cert-zoom-close {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.cert-zoom-close:hover {
    transform: rotate(90deg) scale(1.1);
}

.cert-zoom-image-container {
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.3);
}

.cert-zoom-image-container img {
    max-width: 80vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    display: none;
}

.cert-zoom-image-container img[src]:not([src=""]) {
    display: block;
}

.cert-zoom-image-container img[src]:not([src=""])+.cert-zoom-placeholder {
    display: none;
}

.cert-zoom-placeholder {
    width: 500px;
    max-width: 80vw;
    aspect-ratio: 4/3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.cert-zoom-placeholder i {
    font-size: 5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cert-zoom-placeholder h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.cert-zoom-placeholder p {
    color: var(--text-secondary);
}

/* ===== TOOLS SECTION ===== */
.tools {
    background: var(--bg-dark);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.tool-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.tool-card:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.tool-card img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.tool-placeholder {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.tool-card p {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* ===== INSTRUCTOR SECTION ===== */
.instructor {
    background: var(--bg-darker);
}

.instructor-content {
    margin-bottom: var(--spacing-xl);
}

.instructor-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.instructor-image {
    width: 300px;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: white;
}

.instructor-info h3 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.instructor-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.instructor-experience {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.instructor-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.credential-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
}

.credential-badge i {
    color: var(--primary-color);
}

.instructor-bio {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* Partner Logos */
.partners-section {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-section h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.partner-item {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
}

.partner-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.partner-item img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: var(--spacing-sm);
}

.partner-placeholder {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

.partner-placeholder i {
    font-size: 2.5rem;
}

.partner-item p {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .month-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

    .enrollment-content {
        grid-template-columns: 1fr;
    }

    .enrollment-cta {
        flex-direction: column;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    /* Tools grid on tablet - 4 columns */
    .tools-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }

    .tool-card img {
        width: 80px;
        height: 80px;
    }

    /* Partner logos on tablet - 5 per row */
    .partner-logos {
        grid-template-columns: repeat(5, 1fr);
    }

    /* Certifications on tablet */
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Audience grid on tablet */
    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Video thumbnail on tablet */
    .video-thumbnail {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .play-button {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .overview-grid,
    .modules-grid,
    .features-grid,
    .certifications-grid,
    .tools-grid,
    .partner-logos,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    /* Certificate images on mobile */
    .cert-card img.cert-image {
        aspect-ratio: 16/10;
    }

    .cert-image-placeholder {
        aspect-ratio: 16/10;
    }

    /* Tools grid on mobile - 2 columns */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .tool-card {
        padding: var(--spacing-sm);
    }

    .tool-card img {
        width: 60px;
        height: 60px;
    }

    .tool-placeholder {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }

    /* Partner logos on mobile - 2 columns */
    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .partner-item {
        padding: var(--spacing-sm);
    }

    .partner-placeholder {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }

    /* Audience cards on mobile */
    .audience-card {
        padding: var(--spacing-md);
    }

    .audience-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    /* Video preview button on mobile */
    .video-preview {
        margin-bottom: var(--spacing-md);
    }

    .video-thumbnail {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .play-button {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .video-text {
        font-size: 0.95rem;
    }

    /* Instructor section on mobile */
    .instructor-card {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        text-align: center;
    }

    .instructor-image,
    .instructor-placeholder {
        width: 80px !important;
        height: 80px !important;
        font-size: 2rem !important;
    }

    .instructor-info h3 {
        font-size: 1.5rem;
    }

    .instructor-title {
        font-size: 1rem;
    }

    .instructor-experience {
        font-size: 0.9rem;
    }

    .instructor-credentials {
        justify-content: center;
    }

    .credential-badge {
        font-size: 0.7rem;
        padding: 4px 8px;
    }

    .instructor-bio {
        font-size: 0.9rem;
    }

    /* Section titles on mobile */
    .section-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .section-subtitle {
        font-size: 0.9rem;
        padding: 0 var(--spacing-sm);
    }

    /* Hero text on mobile */
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        padding: 0 var(--spacing-sm);
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    /* Video preview on mobile */
    .video-preview {
        margin-bottom: var(--spacing-md);
    }

    .video-thumbnail {
        flex-direction: row;
        padding: 12px 16px;
        gap: 10px;
    }

    .play-button {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .video-text {
        font-size: 0.85rem;
    }

    /* Partners section title on mobile */
    .partners-section h3 {
        font-size: 1.3rem;
    }

    /* Certificate zoom modal on mobile */
    .cert-zoom-content {
        max-width: 95vw;
    }

    .cert-zoom-placeholder {
        width: 90vw;
    }

    /* Time greeting popup on mobile */
    .time-greeting {
        right: 10px !important;
        left: 10px !important;
        bottom: 80px !important;
        max-width: none !important;
    }

    /* Sarcastic popup on mobile */
    .sarcastic-content {
        max-width: 90vw !important;
        padding: 25px !important;
    }

    .sarcastic-content p {
        font-size: 1.1rem !important;
    }

    .enrollment-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .enrollment-content>* {
        min-width: unset;
    }

    /* Hero stats on mobile - horizontal scroll carousel */
    .hero-stats {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-sm);
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        /* Firefox */
        justify-content: flex-start;
        margin: 0;
        width: 100%;
        max-width: 100vw;
    }

    .hero-stats::-webkit-scrollbar {
        display: none;
        /* Chrome, Safari */
    }

    .stat-item {
        flex: 0 0 auto;
        min-width: 120px;
        scroll-snap-align: start;
        background: var(--bg-glass);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-lg);
        padding: var(--spacing-md);
        backdrop-filter: blur(10px);
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Particles smaller on mobile */
    .particle {
        opacity: 0.3;
    }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}