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

:root {
    --primary-blue: #1e3a5f;
    --secondary-blue: #2c5282;
    --accent-blue: #3182ce;
    --light-blue: #4299e1;
    --pale-blue: #ebf8ff;
    --gold: #d69e2e;
    --gold-light: #ecc94b;
    --white: #ffffff;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-600: #718096;
    --gray-800: #2d3748;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: 'Playfair Display', serif;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes float {

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

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.animate-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.animate-right.animated {
    opacity: 1;
    transform: translateX(0);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(30, 58, 95, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 0.7rem 5%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.logo span {
    color: var(--gold);
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

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

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

.nav-cta {
    background: var(--gold);
    color: var(--primary-blue) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 50%, var(--accent-blue) 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero-content h1 span {
    color: var(--gold);
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-info-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-info-item i {
    color: var(--gold);
    font-size: 1.2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gold);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(214, 158, 46, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.hero-visual {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-card h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

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

.countdown-number {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 1rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    display: block;
}

.countdown-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.hero-price {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-price span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.hero-price strong {
    display: block;
    font-size: 2.5rem;
    color: var(--gold);
    font-family: 'Playfair Display', serif;
}

/* Section Styles */
section {
    padding: 6rem 5%;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

.section-tag {
    display: inline-block;
    background: var(--pale-blue);
    color: var(--accent-blue);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Topics Section */
.topics {
    background: var(--gray-100);
}

.topics-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.topic-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--gold));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.topic-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.15);
    border-color: var(--light-blue);
}

.topic-card:hover::before {
    transform: scaleX(1);
}

.topic-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--pale-blue), var(--light-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--accent-blue);
    transition: all 0.4s ease;
}

.topic-card:hover .topic-icon {
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
    color: var(--white);
    transform: rotateY(180deg);
}

.topic-card h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.topic-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.topic-list {
    text-align: left;
    margin-top: 1rem;
}

.topic-list li {
    color: var(--gray-600);
    font-size: 0.9rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.topic-list li i {
    color: var(--gold);
    font-size: 0.8rem;
}

/* Benefits Section */
.benefits {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    position: relative;
}

.benefits .section-header h2 {
    color: var(--white);
}

.benefits .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.benefits .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.benefits-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.benefit-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.benefit-card h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Speakers Section */
.speakers {
    background: var(--white);
}

.speakers-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.speaker-card {
    background: var(--gray-100);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    gap: 2rem;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.speaker-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 15px 40px rgba(30, 58, 95, 0.1);
    transform: translateY(-5px);
}

.speaker-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    flex-shrink: 0;
}

.speaker-info h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.speaker-info .title {
    color: var(--gold);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.speaker-info p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.7;
}

.speaker-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.credential {
    background: var(--pale-blue);
    color: var(--accent-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Schedule Section */
.schedule {
    background: var(--gray-100);
}

.schedule-container {
    max-width: 900px;
    margin: 0 auto;
}

.schedule-day {
    background: var(--white);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.schedule-day-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.schedule-day-header h3 {
    font-size: 1.3rem;
}

.schedule-day-header span {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
}

.schedule-content {
    padding: 2rem;
}

.schedule-item {
    display: flex;
    gap: 2rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.schedule-time {
    min-width: 120px;
    font-weight: 600;
    color: var(--accent-blue);
}

.schedule-topic {
    flex: 1;
}

.schedule-topic h4 {
    color: var(--primary-blue);
    margin-bottom: 0.3rem;
}

.schedule-topic p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    position: relative;
}

.pricing .section-header h2 {
    color: var(--white);
}

.pricing .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.pricing .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.pricing-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 25px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-blue), var(--gold));
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--gold);
    color: var(--primary-blue);
    padding: 0.5rem 3rem;
    font-size: 0.8rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.pricing-amount {
    margin: 2rem 0;
}

.pricing-amount .currency {
    font-size: 1.5rem;
    color: var(--gray-600);
    vertical-align: top;
}

.pricing-amount .amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-blue);
    font-family: 'Playfair Display', serif;
}

.pricing-amount .period {
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--gold);
    font-size: 1.2rem;
}

.pricing-features li span {
    color: var(--gray-800);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

/* Registration Form Section */
.registration {
    background: var(--white);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--gray-100);
    border-radius: 25px;
    padding: 3rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(49, 130, 206, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 3px;
    accent-color: var(--accent-blue);
}

.form-checkbox label {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-checkbox label a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.form-submit {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.3);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Contact Section */
.contact {
    background: var(--gray-100);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-method-icon {
    width: 50px;
    height: 50px;
    background: var(--pale-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    font-size: 1.2rem;
}

.contact-method-text h4 {
    color: var(--primary-blue);
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.contact-method-text p {
    color: var(--gray-600);
}

.contact-method-text a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
}

.contact-method-text a:hover {
    text-decoration: underline;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: #25D366;
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.contact-form h4 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

/* Footer */
footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 4rem 5% 2rem;
}

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

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

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand h3 span {
    color: var(--gold);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--gold);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--gold);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

/* Success Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #48bb78, #38a169);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: var(--white);
}

.modal h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.modal p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.modal-close {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--secondary-blue);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-info {
        justify-content: center;
    }

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

    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .contact-container {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-blue);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .countdown {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .pricing-amount .amount {
        font-size: 3rem;
    }
}