/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0a84ff;
    --secondary-color: #5e5ce6;
    --success-color: #30d158;
    --error-color: #ff453a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --bg-dark: #000000;
    --bg-card: #1c1c1e;
    --bg-input: #2c2c2e;
    --border-color: #3a3a3c;
    --gradient-1: linear-gradient(135deg, #0a84ff 0%, #5e5ce6 100%);
    --gradient-2: linear-gradient(135deg, #5e5ce6 0%, #bf5af2 100%);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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 20px;
}

/* Hero Section */
.hero {
    background: var(--gradient-1);
    padding: 80px 20px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* Countdown Timer */
.countdown-wrapper {
    margin: 40px 0;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.countdown-label {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.countdown-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: 15px;
    min-width: 100px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
}

.countdown-value {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.countdown-label-small {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Participants Badge */
.participants-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease 0.6s both;
}

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

/* Prizes Section */
.prizes {
    padding: 80px 20px;
    background: var(--bg-dark);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.prize-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.prize-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.prize-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.prize-card:hover::before {
    opacity: 1;
}

.prize-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(10, 132, 255, 0.3);
}

.prize-card.featured::before {
    opacity: 1;
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-1);
    color: white;
    padding: 5px 40px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: rotate(45deg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.prize-icon {
    width: 150px;
    height: 150px;
    margin: 0 auto 30px;
}

.prize-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.prize-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.prize-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.prize-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Registration Section */
.registration {
    padding: 80px 20px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a0a 100%);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* Eligibility Notice */
.eligibility-notice {
    display: flex;
    gap: 15px;
    background: rgba(255, 159, 10, 0.1);
    border: 2px solid rgba(255, 159, 10, 0.3);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 40px;
    animation: fadeIn 1s ease;
}

.notice-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: #ff9f0a;
}

.notice-content {
    flex: 1;
}

.notice-content strong {
    display: block;
    color: #ff9f0a;
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.notice-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Form Styles */
.registration-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.1);
}

.form-group input.valid {
    border-color: var(--success-color);
}

.form-group input.invalid {
    border-color: var(--error-color);
}

.form-group select {
    cursor: pointer;
}

/* Checkbox Group */
.checkbox-group {
    margin-top: 30px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label span {
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Error Messages */
.error-message {
    display: block;
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 5px;
    min-height: 20px;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 16px 32px;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 30px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(10, 132, 255, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.submit-btn:hover .btn-icon {
    transform: translateX(5px);
}

/* Disclaimer */
.disclaimer {
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.disclaimer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 40px 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 30px;
}

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

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

/* Thank You Page Styles */
.thank-you-page {
    background: var(--gradient-1);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.thank-you-container {
    background: var(--bg-card);
    border-radius: 30px;
    padding: 60px 40px;
    max-width: 700px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 10;
    animation: fadeInScale 0.6s ease;
}

/* Success Animation */
.success-animation {
    margin-bottom: 30px;
}

.checkmark {
    width: 100px;
    height: 100px;
    margin: 0 auto;
}

.checkmark-circle {
    stroke: var(--success-color);
    stroke-width: 2;
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    stroke: var(--success-color);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

.thank-you-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--success-color);
}

.thank-you-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Confirmation Details */
.confirmation-details {
    background: var(--bg-input);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
}

.confirmation-number {
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
}

/* Next Steps */
.next-steps {
    margin: 50px 0;
    text-align: left;
}

.next-steps h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.steps-grid {
    display: grid;
    gap: 20px;
}

.step {
    display: flex;
    gap: 20px;
    background: var(--bg-input);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Share Section */
.share-section {
    margin: 40px 0;
}

.share-section h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.share-section p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.share-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.share-btn svg {
    width: 20px;
    height: 20px;
}

.share-btn.facebook {
    background: #1877f2;
    color: white;
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
}

.share-btn.email {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.good-luck {
    margin-top: 40px;
    font-size: 1.5rem;
    font-weight: 700;
}

/* Confetti Canvas */
#confettiCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .countdown-item {
        padding: 15px 20px;
        min-width: 80px;
    }

    .countdown-value {
        font-size: 2rem;
    }

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

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

    .registration-form {
        padding: 30px 20px;
    }

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

    .thank-you-container {
        padding: 40px 30px;
    }

    .thank-you-title {
        font-size: 2rem;
    }

    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .countdown {
        gap: 10px;
    }

    .countdown-item {
        padding: 10px 15px;
        min-width: 70px;
    }

    .countdown-value {
        font-size: 1.8rem;
    }

    .countdown-label-small {
        font-size: 0.75rem;
    }

    .prize-icon {
        width: 120px;
        height: 120px;
    }
}