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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #0a0a0a;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    color: #ff6b35;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ff6b35;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ff6b35;
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('hero-bg.png') center/cover;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #ff6b35;
    margin-bottom: 1.5rem;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    color: #ccc;
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ff6b35" stop-opacity="0.1"/><stop offset="100%" stop-color="%23000" stop-opacity="0.8"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23a)"/></svg>') center/cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
}

/* Video Section */
.video-section {
    padding: 100px 0;
    background: #111;
}

.section-title {
    font-size: 2.5rem;
    color: #fff;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #ff6b35;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem;
    aspect-ratio: 16/9;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-note {
    text-align: center;
    color: #ccc;
    font-style: italic;
    margin-top: 1rem;
}

/* About Section */
.about-section {
    padding: 100px 0;
    background: #1a1a1a;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    color: #ccc;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.credits {
    background: #222;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #ff6b35;
}

.credits h3 {
    color: #ff6b35;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.credits ul {
    list-style: none;
}

.credits li {
    color: #ccc;
    margin-bottom: 0.5rem;
    padding: 0.3rem 0;
}

/* Crisis Section */
.crisis-section {
    padding: 100px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('climate-chaos.png') center/cover;
}

.crisis-content p {
    color: #ccc;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: center;
}

.crisis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.crisis-item {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #333;
}

.crisis-item:hover {
    transform: translateY(-5px);
    border-color: #ff6b35;
}

.crisis-item h3 {
    color: #ff6b35;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.crisis-item p {
    color: #ccc;
    margin: 0;
}

/* Action Section */
.action-section {
    padding: 100px 0;
    background: #111;
}

.action-content p {
    color: #ccc;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: center;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.action-item {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #333;
}

.action-item:hover {
    transform: translateY(-5px);
    border-color: #ff6b35;
}

.action-item h3 {
    color: #ff6b35;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.action-item p {
    color: #ccc;
    margin: 0;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: #1a1a1a;
}

.contact-content {
    text-align: center;
}

.contact-info p {
    color: #ccc;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    background: #222;
    padding: 2rem;
    border-radius: 10px;
    display: inline-block;
    border-left: 4px solid #ff6b35;
}

.contact-details p {
    color: #ccc;
    margin: 0.5rem 0;
}

/* Footer */
.footer {
    background: #000;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    color: #666;
    margin: 0.5rem 0;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .crisis-grid,
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}