/* ===== Global ===== */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background: #1e3a8a;
    color: white;
    padding: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: #f0f9ff;
}

h1 {
    font-size: 2.5rem;
    color: #1e40af;
}

.cta {
    background: #ef4444;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    font-weight: bold;
}

footer {
    background: #1e3a8a;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 4rem;
}

/* ===== About page ===== */
.about-hero {
    text-align: center;
    padding: 4rem 2rem;
    background: #e0f2fe;
}

.experience,
.mission {
    padding: 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.experience ul {
    list-style: disc;
    padding-left: 2rem;
}

.mission {
    background: #f8fafc;
}

/* ===== Course page ===== */
.course-hero {
    text-align: center;
    padding: 4rem 2rem;
    background: #dcfce7;
}

.levels,
.schedule {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.level-card {
    border: 1px solid #d1d5db;
    padding: 2rem;
    border-radius: 10px;
    background: white;
    transition: box-shadow 0.3s;
}

.level-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.level-card h3 {
    color: #1e40af;
    margin-top: 0;
}

.schedule {
    background: #f8fafc;
}

/* ===== Pricing page ===== */
.pricing-hero {
    text-align: center;
    padding: 4rem 2rem;
    background: #fef3c7;
}

.pricing-plans {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.pricing-plans p {
    color: #6b7280;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.plan-card {
    border: 2px solid #d1d5db;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
}

.plan-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.plan-card.popular {
    border-color: #ef4444;
    background: #fef2f2;
    transform: scale(1.02);
}

.price {
    font-size: 3rem;
    color: #10b981;
    font-weight: bold;
    margin: 1rem 0;
}

.price span {
    font-size: 1.3rem;
    color: #6b7280;
}

.plan-card ul {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.plan-card li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.plan-card li:last-child {
    border-bottom: none;
}

.payment-methods {
    padding: 3rem 2rem;
    background: #f8fafc;
    text-align: center;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.method {
    padding: 2rem;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    background: white;
}

.guarantee {
    text-align: center;
    padding: 3rem 2rem;
    background: #dcfce7;
}

/* ===== Contact page ===== */
.contact-hero {
    text-align: center;
    padding: 4rem 2rem;
    background: #e0f2fe;
}

.enroll-section {
    padding: 3rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.plan-selector select {
    padding: 1rem;
    font-size: 1.1rem;
    border: 2px solid #d1d5db;
    border-radius: 10px;
    width: 100%;
    max-width: 300px;
}

.payment-buttons {
    margin-top: 2rem;
}

.whatsapp-cta {
    background: #25D366 !important;
    color: white !important;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    display: inline-block;
}

.contact-form {
    padding: 3rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 2px solid #d1d5db;
    border-radius: 10px;
    font-size: 1rem;
    box-sizing: border-box;
}

.contact-form button {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
}

.direct-contact {
    padding: 3rem 2rem;
    background: #f8fafc;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item a {
    color: #1e40af;
    text-decoration: none;
    font-weight: bold;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .plans-grid,
    .level-grid {
        grid-template-columns: 1fr;
    }
}