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

:root {
    --primary-cyan: #00BCD4;
    --primary-navy: #1E3A5F;
    --text-dark: #2C3E50;
    --text-light: #666;
    --bg-light: #F5F5F5;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
    color: white;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

/* Header */
header {
    background: var(--white);
    padding: 40px 0;
    box-shadow: 0 2px 10px var(--shadow);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 30px;
}

.logo {
    width: 600px;
    height: auto;
    max-width: 90%;
    object-fit: contain;
}

.header-info h2 {
    color: var(--primary-navy);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.location-date {
    color: var(--primary-cyan);
    font-weight: 600;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    color: var(--primary-cyan);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-dark);
    max-width: 900px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-navy);
    font-weight: 600;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-cyan);
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-cyan);
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
}

.cta-button:hover {
    background: #00ACC1;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 188, 212, 0.4);
}

.cta-button.large {
    padding: 20px 50px;
    font-size: 1.2rem;
}

.button-icon {
    width: 24px;
    height: 24px;
}

.cta-subtitle {
    margin-top: 15px;
    color: var(--text-light);
    font-weight: 600;
}

/* Instructors Section */
.instructors {
    background: var(--white);
    padding: 80px 0;
}

.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.instructor-card {
    background: var(--primary-cyan);
    color: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--shadow);
    text-align: center;
}

.instructor-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 5px solid var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.instructor-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.credentials {
    list-style: none;
    text-align: left;
}

.credentials li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.4;
    font-size: 0.85rem;
}

.credentials li:before {
    content: "•";
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1rem;
}

/* About Section */
.about {
    background: var(--bg-light);
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    color: var(--primary-navy);
    font-weight: 800;
    text-align: center;
    margin-bottom: 30px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-dark);
}

/* Benefits Section */
.benefits {
    background: var(--white);
    padding: 80px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 188, 212, 0.2);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--primary-cyan);
}

.benefit-card h3 {
    font-size: 1.3rem;
    color: var(--primary-navy);
    font-weight: 700;
    margin-bottom: 15px;
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Topics Section */
.topics {
    background: var(--bg-light);
    padding: 80px 0;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-dark);
    max-width: 800px;
    margin: 0 auto 40px;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.topic-item {
    background: var(--white);
    padding: 20px 30px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-cyan);
    font-weight: 600;
    color: var(--primary-navy);
    box-shadow: 0 2px 10px var(--shadow);
    transition: all 0.3s ease;
}

.topic-item:hover {
    transform: translateX(5px);
    border-left-width: 6px;
}

/* Final CTA Section */
.final-cta {
    background: linear-gradient(135deg, var(--primary-navy) 0%, #2C4A6F 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.cta-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white);
}

.cta-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.payment-info {
    margin-top: 30px;
}

.payment-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.security-badges span {
    color: var(--primary-cyan);
    font-weight: 600;
}

.location-footer {
    margin-top: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-cyan);
}

/* Footer */
footer {
    background: var(--primary-navy);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin: 5px 0;
    color: rgba(255, 255, 255, 0.8);
}

.contact-info a {
    color: var(--primary-cyan);
    text-decoration: none;
    font-weight: 600;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .cta-title {
        font-size: 1.8rem;
    }

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

    .header-content {
        justify-content: center;
        text-align: center;
    }

    .logo {
        width: 300px;
        height: auto;
        max-width: 95%;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        padding: 15px 30px;
        font-size: 1rem;
    }

    .cta-button.large {
        padding: 18px 35px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .instructor-card {
        padding: 25px;
    }

    .benefit-card {
        padding: 20px;
    }
}