/* Variáveis CSS */
:root {
    --navy-blue: #1e3a8a;
    --dark-navy: #1e40af;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --blue-accent: #3b82f6;
    --text-color: #333;
    --text-gray: #6b7280;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

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

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

a {
    color: var(--blue-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    font-size: 100px;
}

/* Header */
.header {
    background: var(--navy-blue);
    color: var(--white);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 20px;
}

.nav-logo h1 {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
}

.nav-logo a {
    color: var(--white);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--blue-accent);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle-line {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 4px 0;
    transition: all 0.3s ease;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--navy-blue);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
    }

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

    .nav-list {
        flex-direction: column;
        width: 100%;
    }

    .nav-item {
        margin: 0;
        text-align: center;
        padding: 0.8rem 0;
    }

    .nav-toggle {
        display: flex;
    }
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding-top: 80px;

    /* Adjust for fixed header */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

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

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.hero-buttons .btn {
    margin: 0 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--blue-accent);
    color: var(--white);
    border: 2px solid var(--blue-accent);
}

.btn-primary:hover {
    background: var(--dark-navy);
    border-color: var(--dark-navy);
    color: var(--white);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--navy-blue);
}

.btn-outline {
    background: transparent;
    color: var(--navy-blue);
    border: 2px solid var(--navy-blue);
}

.btn-outline:hover {
    background: var(--navy-blue);
    color: var(--white);
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--white);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.about-text {
    flex: 2;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    text-align: center;
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--blue-accent);
    margin-bottom: 0.5rem;
}

.feature-item h3 {
    font-family: 'Poppins', sans-serif;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-gray);
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        order: -1;

        /* Move image above text on smaller screens */
    }
}

/* Courses Section */
.courses-section {
    padding: 6rem 0;
    background: var(--light-gray);
}

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

.course-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.course-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.course-card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.course-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
    text-align: left;
    color: var(--text-gray);
}

.course-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.course-card ul li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: var(--blue-accent);
}

/* Social Media Section */
.social-media-section {
    padding: 6rem 0;
    background: var(--white);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--navy-blue);
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.social-icon:hover {
    color: var(--blue-accent);
    text-decoration: none;
}

.social-icon svg {
    width: 30px;
    height: 30px;
}

/* Footer */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: 4rem 0;
    font-size: 0.9rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--white);
}

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

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--blue-accent);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Course Specific Styles (Nivel 1 & 2) */
.course-content {
    padding: 6rem 0;
    background: var(--white);
}

.course-overview p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

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

.course-features .feature-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.course-features .feature-card h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.course-features .feature-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
}

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

.course-curriculum .module {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.course-curriculum .module h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.course-curriculum .module ul {
    list-style: none;
}

.course-curriculum .module ul li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.course-requirements .requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.course-requirements .requirement-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.course-requirements .requirement-card h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.course-requirements .requirement-card ul {
    list-style: none;
}

.course-requirements .requirement-card ul li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.course-requirements .requirement-card.recommended ul li::before {
    content: '✅';
    margin-right: 0.5rem;
}

.course-requirements .requirement-card.not-required ul li::before {
    content: '❌';
    margin-right: 0.5rem;
}

.course-requirements .requirement-card.required ul li::before {
    content: '⚠️';
    margin-right: 0.5rem;
}

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

.course-benefits .benefit-item {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.course-benefits .benefit-item h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.course-benefits .benefit-item p {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.benefit-icon {
    font-size: 2.5rem;
    color: var(--blue-accent);
    margin-bottom: 0.5rem;
}

/* Logo Styles */
.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 100px;

    /* Adjusted to 100px as requested */
    margin-right: 10px;
    vertical-align: middle;
}

.logo-img-footer {
    height: 50px;

    /* Slightly larger for footer */
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .logo-img {
        height: 80px;

        /* Proportionally reduced for mobile */
    }

    .logo-img-footer {
        height: 45px;
    }
}

/* Social Media Styles */
.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.social-link.youtube {
    background: linear-gradient(135deg, #ff0000, #cc0000);
    color: white;
}

.social-link.youtube:hover {
    background: linear-gradient(135deg, #cc0000, #990000);
    border-color: #ff0000;
}

.social-link.instagram {
    background: linear-gradient(135deg, #e4405f, #833ab4, #fcb045);
    color: white;
}

.social-link.instagram:hover {
    background: linear-gradient(135deg, #d73447, #7232a8, #f09433);
    border-color: #e4405f;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    flex-shrink: 0;
}

.social-icon svg {
    width: 24px;
    height: 24px;
}

.social-content h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.social-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Responsive adjustments for social links */
@media (max-width: 768px) {
    .social-links {
        gap: 0.75rem;
    }

    .social-link {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .social-icon {
        width: 35px;
        height: 35px;
    }

    .social-icon svg {
        width: 20px;
        height: 20px;
    }

    .social-content h3 {
        font-size: 1rem;
    }

    .social-content p {
        font-size: 0.85rem;
    }
}