/* ===== CSS Variables ===== */
:root {
    --primary-navy: #0f172a;
    --secondary-navy: #1e293b;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --electric-blue: #60a5fa;
    --neon-purple: #a78bfa;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-3: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --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(59, 130, 246, 0.4);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--primary-navy);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 2rem;
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.3));
}

.logo-icon:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.5));
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--electric-blue);
}

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

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

.nav-actions {
    display: flex;
    gap: 1rem;
}

.nav-actions a {
    display: inline-flex;
    text-decoration: none;
}

.nav-actions a:hover,
.nav-actions a:active,
.nav-actions a:focus {
    transform: none;
    outline: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary,
.btn-hero {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-2);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
}

.btn-hero {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-2);
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 10%;
    left: 30%;
    animation-delay: 10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    top: 30%;
    right: 20%;
    animation-delay: 15s;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-blue);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: -150px;
    right: -150px;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(20px, -20px) rotate(90deg);
    }

    50% {
        transform: translate(-20px, 20px) rotate(180deg);
    }

    75% {
        transform: translate(20px, 20px) rotate(270deg);
    }
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.gradient-text {
    background: var(--gradient-2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons a {
    display: inline-flex;
    text-decoration: none;
}

.hero-buttons a:hover,
.hero-buttons a:active,
.hero-buttons a:focus {
    transform: none;
    outline: none;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    animation: fadeInUp 1s ease 0.8s both;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stat-divider {
    width: 1px;
    background: var(--text-muted);
    opacity: 0.3;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateY(10px);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--neon-purple);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.about-card[data-aos="fade-up"] {
    animation: fadeInUp 0.6s ease forwards;
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--text-secondary);
}

/* ===== Skills Section ===== */
.skills {
    background: rgba(30, 41, 59, 0.3);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-card {
    position: relative;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s ease;
    overflow: hidden;
}

.skill-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.skill-card:hover .skill-card-glow {
    opacity: 1;
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
}

.skill-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.skill-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.skill-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.skill-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.skill-list li {
    color: var(--text-muted);
    padding: 0.3rem 0;
    font-size: 0.9rem;
}

.skill-list li::before {
    content: '✓ ';
    color: var(--accent-blue);
    font-weight: bold;
}

.skill-btn {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.skill-btn:hover {
    background: var(--accent-blue);
    color: white;
}

/* ===== Timeline (How It Works) ===== */
.how-it-works {
    background: var(--primary-navy);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateX(-50px);
    animation: slideIn 0.6s ease forwards;
}

.timeline-item[data-aos="fade-left"] {
    transform: translateX(50px);
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    min-width: 80px;
}

.timeline-content {
    flex: 1;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.timeline-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: var(--text-secondary);
}

.timeline-connector {
    width: 2px;
    height: 50px;
    background: var(--gradient-2);
    margin: -1rem auto 1rem 40px;
}

/* ===== Dashboard Preview ===== */
.dashboard-preview {
    background: rgba(30, 41, 59, 0.3);
}

.dashboard-mockup {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.dashboard-user {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.user-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.user-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.user-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.dashboard-streak {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(249, 115, 22, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(249, 115, 22, 0.3);
}

.streak-icon {
    font-size: 1.5rem;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-box {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.stat-icon {
    font-size: 2rem;
}

.stat-info {
    flex: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.progress-ring {
    position: relative;
}

.progress-ring-circle {
    fill: none;
    stroke: rgba(59, 130, 246, 0.2);
    stroke-width: 4;
}

.progress-ring-fill {
    fill: none;
    stroke: url(#gradient);
    stroke-width: 4;
    stroke-dasharray: 157;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
}

.dashboard-current {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
}

.current-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.current-course {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.course-thumbnail {
    width: 80px;
    height: 80px;
    background: var(--gradient-2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.course-info {
    flex: 1;
}

.course-info h5 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.course-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.course-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-2);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.progress-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    min-width: 80px;
}

.continue-btn {
    background: var(--gradient-2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.continue-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ===== Features Section ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: rotateY(90deg);
    animation: flipIn 0.6s ease forwards;
}

@keyframes flipIn {
    to {
        opacity: 1;
        transform: rotateY(0);
    }
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.3);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    transform: rotate(10deg) scale(1.1);
}

.feature-icon {
    font-size: 2.5rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Testimonials ===== */
.testimonials {
    background: var(--primary-navy);
    overflow: hidden;
}

.testimonials-slider {
    overflow: hidden;
    margin: 0 -20px;
}

.testimonial-track {
    display: flex;
    gap: 2rem;
    animation: slide 30s linear infinite;
}

@keyframes slide {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card {
    min-width: 400px;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.testimonial-rating {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-name {
    font-size: 1rem;
    font-weight: 600;
}

.author-role {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== CTA Section ===== */
.cta {
    position: relative;
    padding: 150px 0;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.cta-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0.1;
}

.cta-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 40%;
    left: 60%;
    animation-delay: 3s;
}

.particle:nth-child(3) {
    top: 60%;
    left: 30%;
    animation-delay: 6s;
}

.particle:nth-child(4) {
    top: 80%;
    left: 70%;
    animation-delay: 9s;
}

.particle:nth-child(5) {
    top: 30%;
    left: 80%;
    animation-delay: 12s;
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-button {
    position: relative;
    background: var(--gradient-2);
    color: white;
    border: none;
    padding: 1.25rem 3rem;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 50px rgba(59, 130, 246, 0.6);
}

.cta-button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover .cta-button-glow {
    left: 100%;
}

.cta-note {
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== Footer ===== */
.footer {
    background: rgba(15, 23, 42, 0.95);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-blue);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    color: var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.98);
        width: 250px;
        height: calc(100vh - 70px);
        padding: 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
        border-right: 1px solid rgba(59, 130, 246, 0.3);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .stat-divider {
        display: none;
    }

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

    .skills-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        min-width: 300px;
    }

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

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

    .timeline-item {
        flex-direction: column;
    }

    .timeline-connector {
        margin-left: 0;
    }

    .current-course {
        flex-direction: column;
        text-align: center;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

    .btn-hero {
        width: 100%;
    }
}