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

:root {
    /* MPBIA Brand Colors */
    --color-blue: hsl(220, 70%, 40%);
    --color-red: hsl(0, 75%, 55%);
    --color-yellow: hsl(48, 95%, 55%);
    --color-green: hsl(120, 60%, 40%);
    --color-brown: hsl(25, 50%, 40%);
    --color-purple: hsl(280, 60%, 50%);
    
    /* Neutral Colors */
    --color-background: hsl(0, 0%, 100%);
    --color-foreground: hsl(220, 15%, 20%);
    --color-muted: hsl(220, 15%, 95%);
    --color-muted-foreground: hsl(220, 15%, 50%);
    --color-border: hsl(220, 15%, 90%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius: 0.75rem;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-background);
    color: var(--color-foreground);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: var(--spacing-sm) 0;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.logo-container {
    cursor: pointer;
}

.logo {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-foreground);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--color-blue);
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: transparent;
    border: 2px solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}

.language-btn:hover {
    border-color: var(--color-blue);
    background-color: var(--color-muted);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 50%;
    background-image: url('assets/puzzle-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.mascots-container {
    display: flex;
    justify-content: center;
}

.mascots {
    width: 100%;
    max-width: none;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
    transform: scale(2) translateY(50px);
    transform-origin: center;
    margin-right: 300px;
}

.hero-text {
    text-align: left;
}

.hero-title,
.hero-subtitle {
    font-size: 3.5rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.mpbia-text {
    display: inline-flex;
}

.mpbia-text .m { color: var(--color-blue); }
.mpbia-text .p { color: var(--color-red); }
.mpbia-text .b { color: var(--color-yellow); }
.mpbia-text .i { color: var(--color-green); }
.mpbia-text .a { color: var(--color-brown); }

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background-color: var(--color-red);
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background-color: hsl(0, 75%, 45%);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

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

.btn-success {
    background-color: var(--color-green);
    color: white;
    width: 100%;
    justify-content: center;
}

.btn-success:hover {
    background-color: hsl(120, 60%, 30%);
    transform: translateY(-2px);
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-background), var(--color-muted));
}

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

.section-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-subtitle {
    font-size: 1.8rem;
    color: var(--color-muted-foreground);
    font-weight: 300;
}

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

/* Where We Are Section */
.where-we-are {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.map-container {
    max-width: 900px;
    margin: var(--spacing-3xl) auto 0;
    position: relative;
}

.brazil-map {
    width: 100%;
    height: auto;
}

.map-pin {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 10;
    background-image: url(assets/logo-main.png);
    background-size: cover;
    width: 60px;
    height: 60px;
}

.map-pin::before {
    content: '';
    width: 60px;
    height: 60px;
    background-image: url(../assets/logo-main.png);
    border-radius: 50%;
    display: block;
    animation: bounce-in 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: var(--transition-smooth);
}

.map-pin:hover::before {
    transform: scale(1.25);
    box-shadow: 0 0 30px rgba(147, 51, 234, 0.8);
}

.map-pin::after {
    content: attr(data-name-pt) '\A' '+' attr(data-people) ' pessoas ajudadas';
    white-space: pre;
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background-color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--color-border);
    min-width: 200px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-blue);
    transition: var(--transition-bounce);
    z-index: 100;
    pointer-events: none;
}

.map-pin:hover::after {
    transform: translateX(-50%) scale(1);
}

/* Projects Section */
.projects {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-muted), var(--color-background));
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.project-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid var(--color-border);
    transition: var(--transition-smooth);
}

.project-card:hover {
    border-color: var(--color-blue);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.project-image {
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-blue);
    margin-bottom: var(--spacing-md);
}

.project-description {
    color: var(--color-muted-foreground);
    line-height: 1.8;
}

/* Impact Section */
.impact {
    padding: var(--spacing-3xl) 0;
    background: 
        linear-gradient(135deg, 
            var(--color-blue) 0%, 
            var(--color-red) 20%, 
            var(--color-yellow) 40%, 
            var(--color-green) 60%, 
            var(--color-brown) 80%, 
            var(--color-blue) 100%
        );
    color: white;
    position: relative;
    overflow: hidden;
}

.impact::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('data:image/svg+xml;base64,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');
    opacity: 0.3;
}

.impact .container {
    position: relative;
    z-index: 10;
}

.impact .section-title {
    color: white;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3xl);
}

.impact-stat {
    text-align: center;
}

.impact-number {
    font-size: 5rem;
    font-weight: bold;
    color: purple;
    margin-bottom: var(--spacing-md);
    text-shadow: 
        -2px -2px 0 #000,
        2px -2px 0 #000,
        -2px 2px 0 #000,
        2px 2px 0 #000,
        0 0 10px rgba(0, 0, 0, 0.5);
}

.impact-label {
    font-size: 1.5rem;
    font-weight: 300;
    text-shadow: 
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        0 0 8px rgba(0, 0, 0, 0.5);
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-muted);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.testimonial-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transform: translateY(-5px);
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 177.78%;
    background-color: black;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.testimonial-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.testimonial-content h3 {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--color-blue);
    margin-bottom: var(--spacing-xs);
}

.testimonial-content p {
    color: var(--color-muted-foreground);
}

/* Author Section */
.author {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-muted), var(--color-background));
}

.author-content {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1100px;
    margin: var(--spacing-3xl) auto 0;
}

.author-image-container {
    position: relative;
}

.author-image {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.author-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    border: 4px solid var(--color-blue);
}

.audio-player {
    width: 100%;
}

.audio-player audio {
    width: 100%;
    border-radius: var(--radius);
    outline: none;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.author-bio {
    text-align: left;
}

.author-name {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-blue);
    margin-bottom: var(--spacing-md);
}

.author-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-foreground);
}

/* Donate Section */
.donate {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-muted);
}

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

.donate-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.payment-card,
.idea-card {
    background: white;
    border: 2px solid var(--color-blue);
    border-radius: var(--radius);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.card-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-blue);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.payment-section {
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-muted);
    padding: var(--spacing-md);
    border-radius: var(--radius);
}

.payment-label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.payment-value {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
}

.payment-value:last-child {
    margin-bottom: 0;
}

.payment-value code {
    font-size: 0.95rem;
    color: var(--color-foreground);
}

.payment-details {
    margin-top: var(--spacing-md);
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--color-blue);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: var(--transition-smooth);
}

.copy-btn:hover {
    color: var(--color-red);
    transform: scale(1.2);
}

.copy-btn.copied {
    color: var(--color-green);
}

/* Idea Form */
.idea-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.idea-form input,
.idea-form textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.idea-form input:focus,
.idea-form textarea:focus {
    outline: none;
    border-color: var(--color-blue);
}

.idea-form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: white;
    border-top: 4px solid var(--color-blue);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-logo {
    height: 80px;
    width: auto;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-blue);
    color: white;
    border-radius: 50%;
    transition: var(--transition-smooth);
    text-decoration: none;
    font-size: 1.5rem;
}

.social-link:hover {
    background-color: var(--color-red);
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.footer-text {
    text-align: center;
    color: var(--color-foreground);
}

.footer-text a {
    color: var(--color-blue);
    text-decoration: underline;
    transition: var(--transition-smooth);
    font-weight: 500;
}

.footer-text a:hover {
    color: var(--color-red);
}

.footer-email {
    color: var(--color-blue);
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: var(--spacing-sm);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background-color: var(--color-green);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition-bounce);
    z-index: 10000;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

@keyframes fade-in {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-up {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce-in {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-fade-in {
    animation: fade-in 0.8s ease-out;
}

.animate-fade-in-up {
    animation: fade-in-up 1s ease-out;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-title,
    .hero-subtitle {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
    }
    
    .projects-grid,
    .testimonials-grid,
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.3rem;
    }
    
    .impact-number {
        font-size: 3.5rem;
    }
    
    .impact-label {
        font-size: 1.2rem;
    }
    
    .author-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .author-bio {
        text-align: center;
    }
    
    .author-bio {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title,
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}