:root {
    --primary-color: #4361ee;
    --secondary-color: #3a86ff;
    --accent-color: #4cc9f0;
    --dark-color: #0f172a;
    --darker-color: #080f1e;
    --light-color: #f9fafb;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --error-color: #F44336;
    --gray-color: #e6e6e6;
    --text-color: #e6e7ef;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--dark-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(67, 97, 238, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(76, 201, 240, 0.1) 0%, transparent 50%);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(67, 97, 238, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.5);
}

.logo-container {
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.github-logo, .azure-logo {
    filter: drop-shadow(0 0 5px rgba(76, 201, 240, 0.5));
    height: 37px;
}

.x-symbol {
    margin: 0 5px;
    color: var(--accent-color);
    font-size: 1.2rem;
    display: inline-block;
}

.logo svg {
    margin-right: 0;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: var(--accent-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(76, 201, 240, 0.8);
}

nav ul li a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--accent-color);
}

.hero {
    display: flex;
    align-items: center;
    min-height: 80vh;
    padding: 0 5%;
    background: linear-gradient(135deg, var(--darker-color) 0%, var(--dark-color) 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    width: 50vw;
    height: 50vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.2) 0%, transparent 70%);
    top: -10%;
    right: -10%;
    z-index: 0;
    animation: pulse 6s infinite ease-in-out;
}

@keyframes pulse {
    0% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
    100% { opacity: 0.5; transform: scale(1); }
}

.hero-content {
    flex: 1;
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--light-color);
    line-height: 1.2;
    text-shadow: 0 0 15px rgba(76, 201, 240, 0.3);
    background: linear-gradient(90deg, var(--light-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #b4bcd0;
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.primary-btn {
    padding: 12px 30px;
    background: #6c7c94;
    cursor: not-allowed;
    box-shadow: none;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.primary-btn::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: 0.5s;
}

.primary-btn:hover {
    transform: none;
    box-shadow: none;
}

.primary-btn:hover::before {
    left: 100%;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.floating-logos {
    position: relative;
    width: 300px;
    height: 300px;
}

.github-hero-logo {
    position: absolute;
    filter: drop-shadow(0 0 20px rgba(76, 201, 240, 0.7));
    z-index: 2;
    left: 10px;
    top: 50px;
}

.azure-hero-logo {
    position: absolute;
    filter: drop-shadow(0 0 20px rgba(0, 120, 212, 0.7));
    z-index: 1;
    right: 10px;
    top: 70px;
}

@keyframes float-left {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(-5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes float-right {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes glow {
    0% { filter: drop-shadow(0 0 15px rgba(76, 201, 240, 0.6)); }
    100% { filter: drop-shadow(0 0 30px rgba(76, 201, 240, 0.9)); }
}

.about {
    background-color: rgba(15, 23, 42, 0.7);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    width: 40vw;
    height: 40vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(76, 201, 240, 0.1) 0%, transparent 70%);
    bottom: -20%;
    left: -10%;
    z-index: 0;
}

.about h2, .leaderboard h2, .learning-path h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--light-color);
    position: relative;
    text-shadow: 0 0 15px rgba(76, 201, 240, 0.3);
}

.highlight {
    color: var(--accent-color);
    position: relative;
    font-weight: bold;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.4);
}

.highlight::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, transparent, var(--accent-color) 50%, transparent);
    border-radius: 5px;
    opacity: 0.7;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.feature-card {
    background: rgba(15, 23, 42, 0.8);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(76, 201, 240, 0.2), 0 0 20px rgba(76, 201, 240, 0.1);
    border-color: rgba(76, 201, 240, 0.4);
}

.icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.5);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--light-color);
}

.feature-card p {
    color: #b4bcd0;
}

.leaderboard, .learning-path {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.leaderboard {
    background-color: rgba(8, 15, 30, 0.8);
    position: relative;
}

.leaderboard::before {
    content: '';
    position: absolute;
    width: 30vw;
    height: 30vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    z-index: 0;
}

.learning-path {
    background-color: rgba(15, 23, 42, 0.7);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.learning-path {
    background-color: rgba(15, 23, 42, 0.7);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 40px auto 0;
    padding: 20px;
    background: rgba(15, 23, 42, 0.8);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(10px);
}

.timeline-block {
    position: relative;
    margin-bottom: 40px;
    padding-bottom: 20px;
}

.timeline-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
}

.timeline-block h3 {
    color: var(--accent-color);
    font-size: 1.8rem;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(76, 201, 240, 0.3);
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.date {
    font-size: 1.2rem;
    font-weight: normal;
    opacity: 0.8;
}

.timeline-events {
    list-style: none;
    position: relative;
}

.timeline-events:before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, 
        rgba(76, 201, 240, 0.7), 
        rgba(67, 97, 238, 0.3));
    box-shadow: 0 0 8px rgba(76, 201, 240, 0.5);
}

.timeline-events li {
    position: relative;
    display: flex;
    margin-bottom: 25px;
    padding-left: 45px;
}

.timeline-events li:last-child {
    margin-bottom: 0;
}

.timeline-events li:before {
    content: '';
    position: absolute;
    left: 10px;
    top: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px rgba(76, 201, 240, 0.5);
    z-index: 1;
}

.event-date {
    flex: 0 0 120px;
    font-weight: bold;
    color: var(--light-color);
}

.event-content {
    flex: 1;
}

.event-title {
    font-size: 1.1rem;
    color: var(--light-color);
    margin-bottom: 8px;
}

.resources-btn {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.8) 0%, rgba(76, 201, 240, 0.8) 100%);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    margin-top: 5px;
}

.recording-btn {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.8) 0%, rgba(76, 201, 240, 0.8) 100%);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    margin-top: 5px;
}

.resources-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 0 0 10px rgba(76, 201, 240, 0.4);
    background: linear-gradient(135deg, rgba(67, 97, 238, 1) 0%, rgba(76, 201, 240, 1) 100%);
}

.recording-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 0 0 10px rgba(76, 201, 240, 0.4);
    background: linear-gradient(135deg, rgba(67, 97, 238, 1) 0%, rgba(76, 201, 240, 1) 100%);
}

#resources-modal .modal-content {
    max-width: 700px;
}

.coming-soon {
    text-align: center;
    padding: 60px 20px;
    background: rgba(15, 23, 42, 0.8);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.coming-soon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, rgba(76, 201, 240, 0.1), transparent 30%);
    animation: rotate 10s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.coming-soon i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(76, 201, 240, 0.5);
}

.coming-soon h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--light-color);
}

.coming-soon p {
    max-width: 600px;
    margin: 0 auto;
    color: #b4bcd0;
}

.coming-soon-resources {
    text-align: center;
    padding: 40px 20px;
}

.coming-soon-resources i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(76, 201, 240, 0.5);
}

.register-btn-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
}

.register-now-btn {
    padding: 12px 25px;
    background: #6c7c94;
    cursor: not-allowed;
    box-shadow: none;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.5), 0 0 20px rgba(76, 201, 240, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.register-now-btn::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: 0.5s;
}

.register-now-btn:hover {
    transform: none;
    box-shadow: none;
}

.register-now-btn:hover::before {
    left: 100%;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(8, 15, 30, 0.8);
    z-index: 1000;
    overflow-y: auto;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: rgba(15, 23, 42, 0.95);
    margin: 20px auto;
    width: 90%;
    max-width: 600px;
    border-radius: 20px;
    padding: 30px;
    position: relative;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(76, 201, 240, 0.2);
    animation: modalopen 0.3s;
    border: 1px solid rgba(67, 97, 238, 0.3);
}

@keyframes modalopen {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: #b4bcd0;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--light-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    background-color: rgba(15, 23, 42, 0.7);
    color: var(--light-color);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    margin-top: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn::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: 0.5s;
}

.submit-btn:hover {
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.5), 0 0 10px rgba(76, 201, 240, 0.3);
}

.submit-btn:hover::before {
    left: 100%;
}

.creator-credit {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 98;
}

.creator-credit a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background-color: rgba(15, 23, 42, 0.7);
    border-radius: 50px;
    font-size: 0.95rem;
    color: var(--light-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.creator-credit a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 0 0 10px rgba(76, 201, 240, 0.2);
    background-color: rgba(67, 97, 238, 0.4);
    border-color: var(--accent-color);
}

.heart-beat {
    color: #F44336;
    animation: heartbeat 1.5s infinite;
    margin-left: 5px;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    15% { transform: scale(1.3); }
    30% { transform: scale(1); }
    45% { transform: scale(1.3); }
    60% { transform: scale(1); }
    100% { transform: scale(1); }
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    z-index: 1001;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s, transform 0.3s;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.toast.success {
    background-color: rgba(76, 175, 80, 0.9);
}

.toast.error {
    background-color: rgba(244, 67, 54, 0.9);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.intro {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(8, 15, 30, 0.9) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.intro::before {
    content: '';
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, transparent 70%);
    top: -30%;
    left: -20%;
    z-index: 0;
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.intro h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 30px;
    color: var(--light-color);
    text-shadow: 0 0 15px rgba(76, 201, 240, 0.3);
    background: linear-gradient(90deg, var(--light-color), var(--accent-color) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: contrast(1.1);
    letter-spacing: -1px;
}

.intro-lead {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: 30px;
    color: #b4bcd0;
}

.intro-highlight {
    background-color: rgba(15, 23, 42, 0.7);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2), 0 0 15px rgba(67, 97, 238, 0.1);
    margin-bottom: 30px;
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

.intro-highlight h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.8rem;
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.intro-highlight p {
    color: #b4bcd0;
    font-size: 1.1rem;
}

.powered-by {
    text-align: center;
    margin: 50px 0;
}

.powered-by h4 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--light-color);
}

.chapters {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.chapter {
    background: rgba(15, 23, 42, 0.8);
    padding: 14px 25px;
    border-radius: 50px;
    font-weight: 600;
    color: var(--accent-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2), 0 0 15px rgba(67, 97, 238, 0.2);
    border: 1px solid rgba(67, 97, 238, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.chapter:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 0 0 20px rgba(76, 201, 240, 0.3);
    border-color: var(--accent-color);
}

.legendary-features {
    margin-top: 50px;
}

.legendary-features h3 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: var(--light-color);
    text-shadow: 0 0 15px rgba(76, 201, 240, 0.3);
}

.feature-item {
    background-color: rgba(15, 23, 42, 0.7);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2), 0 0 15px rgba(67, 97, 238, 0.1);
    margin-bottom: 30px;
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(76, 201, 240, 0.2);
    border-color: rgba(76, 201, 240, 0.4);
}

.feature-item h4 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.feature-item ul {
    padding-left: 20px;
}

.feature-item li {
    margin-bottom: 12px;
    line-height: 1.5;
    color: #b4bcd0;
}

.footer {
    background-color: rgba(8, 15, 30, 0.9);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(67, 97, 238, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.footer-card {
    background: rgba(15, 23, 42, 0.7);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.footer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(76, 201, 240, 0.2);
    border-color: rgba(76, 201, 240, 0.4);
}

.footer-card h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.footer-card p {
    color: #b4bcd0;
    line-height: 1.6;
}

.resource-list {
    padding: 20px 0;
}

.resource-list h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(76, 201, 240, 0.3);
}

.resource-list ul {
    list-style: none;
}

.resource-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(76, 201, 240, 0.2);
}

.resource-list li:last-child {
    border-bottom: none;
}

.resource-list a {
    color: var(--accent-color);
    font-weight: 500;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 5px;
    text-decoration: underline;
}

.resource-list a:hover {
    color: var(--light-color);
}

.resource-list small {
    color: #6c7c94;
    font-size: 0.8rem;
    word-break: break-all;
}

.resources-select-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.resources-select-btn {
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.resources-select-btn:hover {
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.5), 0 0 10px rgba(76, 201, 240, 0.3);
}

.registration-closed-message {
    text-align: center;
    padding: 20px 0;
    color: var(--light-color);
}

.registration-closed-message i {
    font-size: 3rem;
    color: var(--error-color);
    margin-bottom: 15px;
}

.registration-closed-message h3 {
    margin-bottom: 10px;
    color: var(--accent-color);
}

.leaderboard-content {
    background: rgba(15, 23, 42, 0.8);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(10px);
}

.leaderboard-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
}

.leaderboard-table thead {
    background-color: rgba(67, 97, 238, 0.2);
}

.leaderboard-table th, 
.leaderboard-table td {
    padding: 12px 15px;
    text-align: left;
    color: var(--light-color);
}

.rank-column {
    width: 80px;
    text-align: center;
}

.name-column {
    flex-grow: 1;
}

.score-column {
    width: 100px;
    text-align: right;
}

.leaderboard-table tbody tr {
    background-color: rgba(15, 23, 42, 0.7);
    transition: all 0.3s ease;
}

.leaderboard-table tbody tr:hover {
    transform: translateY(-5px);
    background-color: rgba(67, 97, 238, 0.2);
}

.expand-leaderboard-btn {
    display: block;
    width: 100%;
    padding: 12px;
    margin-top: 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.expand-leaderboard-btn:hover {
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.5);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        padding: 50px 5%;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        margin-bottom: 40px;
    }

    .cta-buttons {
        justify-content: center;
    }

    .hero-image svg {
        width: 120px;
        height: 120px;
    }
    
    .floating-logos {
        width: 250px;
        height: 250px;
    }
    
    .github-hero-logo {
        left: 0;
        top: 40px;
    }
    
    .azure-hero-logo {
        right: 0;
        top: 60px;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--darker-color);
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
        border-bottom: 1px solid rgba(67, 97, 238, 0.2);
    }

    nav ul.show {
        display: flex;
    }

    nav ul li {
        margin: 10px 0;
    }
    
    nav ul li a {
        color: var(--light-color);
        font-weight: 500;
        display: block;
        padding: 10px 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .about h2, .leaderboard h2, .learning-path h2 {
        font-size: 2rem;
    }

    .logo span {
        display: none;
    }

    .x-symbol {
        display: inline-block;
    }

    .intro-lead {
        font-size: 1.1rem;
    }
    
    .chapters {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .feature-item {
        padding: 20px;
    }
    
    .feature-item h4 {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .feature-card {
        padding: 20px;
    }

    .modal-content {
        padding: 20px;
    }

    .register-btn-sticky {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: none;
    }

    .about {
        display: none;
    }

    .creator-credit {
        bottom: 20px;
        left: auto;
        right: 20px;
    }

    .creator-credit a {
        padding: 10px 15px;
        font-size: 0.85rem;
        gap: 8px;
    }
}

@media (max-width: 768px) {
    .timeline {
        padding: 15px;
    }
    
    .timeline-block h3 {
        font-size: 1.5rem;
    }
    
    .date {
        font-size: 1rem;
        display: block;
        margin-top: 5px;
    }
    
    .timeline-events li {
        flex-direction: column;
        padding-left: 35px;
    }
    
    .event-date {
        flex: 0;
        margin-bottom: 5px;
        font-size: 0.9rem;
    }
    
    .timeline-events:before {
        left: 15px;
    }
    
    .timeline-events li:before {
        left: 5px;
        top: 10px;
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .timeline-block h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .resource-list small {
        font-size: 0.7rem;
    }
}

@media (max-width: 768px) {
    .creator-credit a {
        padding: 12px 20px;
        font-size: 1rem;
    }
}