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

:root {
    /* Colors */
    --background: #ffffff;
    --foreground: #0f0f23;
    --primary: #2563eb;
    --primary-foreground: #ffffff;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --border: #e2e8f0;
    --accent: #f8fafc;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Typography */
h1 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
}

h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-3);
}

h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-3);
}

h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-2);
}

p {
    margin-bottom: var(--spacing-4);
    color: var(--muted-foreground);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary);
}

.logo-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text h1 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin: 0;
    color: var(--foreground);
}

.logo-text p {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin: 0;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.nav-link {
    font-size: var(--font-size-sm);
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: var(--spacing-4);
    padding: var(--spacing-4) 0;
    border-top: 1px solid var(--border);
}

.nav-link-mobile {
    padding: var(--spacing-2) 0;
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link-mobile:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-mobile.active {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding-top: 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text {
    max-width: 40rem;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    color: var(--foreground);
}

.text-primary {
    color: var(--primary);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--muted-foreground);
    margin-bottom: var(--spacing-8);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    height: 25rem;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
}

.hero-stat {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    background: white;
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.stat-text {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin: 0;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
    color: var(--foreground);
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: var(--font-size-4xl);
    }
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--muted-foreground);
    max-width: 48rem;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: var(--spacing-20) 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
    margin-bottom: var(--spacing-16);
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--foreground);
}

.about-text p {
    color: var(--muted-foreground);
    margin-bottom: var(--spacing-6);
}

.about-img {
    width: 100%;
    height: 25rem;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-card {
    text-align: center;
    padding: var(--spacing-6);
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.value-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.value-icon i {
    width: 2rem;
    height: 2rem;
}

.value-card h4 {
    margin-bottom: var(--spacing-2);
    color: var(--foreground);
}

.value-card p {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin: 0;
}

/* History Section */
.history {
    padding: var(--spacing-20) 0;
    background: var(--muted);
}

.history-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
    margin-bottom: var(--spacing-16);
}

@media (min-width: 1024px) {
    .history-content {
        grid-template-columns: 1fr 1fr;
    }
}

.history-img {
    width: 100%;
    height: 31.25rem;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.history-text h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--foreground);
}

.history-text p {
    color: var(--muted-foreground);
    margin-bottom: var(--spacing-6);
}

.legacy-box {
    background: rgba(37, 99, 235, 0.1);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
}

.legacy-title {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.legacy-text {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin: 0;
}

.milestones {
    text-align: center;
}

.milestones h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-12);
    color: var(--foreground);
}

.milestones-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .milestones-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.milestone-card {
    display: flex;
    gap: var(--spacing-4);
    background: white;
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.milestone-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.milestone-year {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
}

.milestone-year i {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

.milestone-year span {
    font-weight: 600;
    color: var(--primary);
}

.milestone-card h4 {
    margin-bottom: var(--spacing-2);
    color: var(--foreground);
}

.milestone-card p {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin: 0;
}

/* How to Help Section */
.how-to-help {
    padding: var(--spacing-20) 0;
    background: white;
}

.help-ways {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-16);
}

@media (min-width: 768px) {
    .help-ways {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .help-ways {
        grid-template-columns: repeat(4, 1fr);
    }
}

.help-card {
    text-align: center;
    padding: var(--spacing-6);
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.help-card.highlight {
    border: 2px solid var(--primary);
}

.help-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.help-icon.primary {
    background: var(--primary);
    color: white;
}

.help-icon i {
    width: 2rem;
    height: 2rem;
}

.help-card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-6);
    color: var(--foreground);
}

.help-card p {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin-bottom: var(--spacing-6);
}

.donation-cta {
    background: rgba(37, 99, 235, 0.05);
    border-radius: calc(var(--radius) * 2);
    padding: var(--spacing-8) var(--spacing-12);
    text-align: center;
}

.donation-cta h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    color: var(--foreground);
}

@media (min-width: 768px) {
    .donation-cta h3 {
        font-size: var(--font-size-3xl);
    }
}

.donation-cta p {
    color: var(--muted-foreground);
    margin-bottom: var(--spacing-8);
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.donation-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    justify-content: center;
    align-items: center;
}

@media (min-width: 640px) {
    .donation-info {
        flex-direction: row;
    }
}

.payment-info {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
}

.payment-info p {
    margin: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-20) 0;
    background: var(--muted);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-form-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-form-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-6);
    color: var(--foreground);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--foreground);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    background: var(--background);
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    min-height: 7.5rem;
    resize: vertical;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.info-card {
    background: white;
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-4);
}

.info-card.emergency {
    background: var(--primary);
    color: white;
}

.info-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    width: 1.5rem;
    height: 1.5rem;
}

.info-content h4 {
    margin-bottom: var(--spacing-2);
    color: var(--foreground);
}

.info-card.emergency .info-content h4 {
    color: white;
}

.info-content p {
    font-size: var(--font-size-sm);
    color: var(--muted-foreground);
    margin: 0;
    white-space: pre-line;
}

.info-card.emergency .info-content p {
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: var(--spacing-12) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-4);
}

.footer-section p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-4);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.footer-logo i {
    width: 2rem;
    height: 2rem;
    color: white;
}

.footer-logo h3 {
    margin: 0;
}

.footer-logo p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.social-links {
    display: flex;
    gap: var(--spacing-2);
}

.social-link {
    width: 2rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.contact-quick p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    justify-content: space-between;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-4);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: white;
}

/* Toast Styles */
#toast-container {
    position: fixed;
    top: var(--spacing-4);
    right: var(--spacing-4);
    z-index: 10000;
}

.toast {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-2);
    box-shadow: var(--shadow-lg);
    max-width: 20rem;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .donation-cta {
        padding: var(--spacing-6);
    }
}

/* ScrollToTop Button */
#scrollToTopBtn {
            display: none;
            position: fixed;
            bottom: 20px;
            right: 30px;
            z-index: 99;
            border: none;
            outline: none;
            background-color: #007bff;
            color: white;
            cursor: pointer;
            padding: 15px;
            border-radius: 10px;
            font-size: 18px;
            transition: opacity 0.3s;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        #scrollToTopBtn:hover {
            background-color: #0056b3;
        }

/* QR Code Box Styles */
.qr-code-box {
    width: 200px;
    height: 200px;
    
    background-color: white;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 15px 0;
}

.qr-code-box img.qr-code-img {
    max-width: 100%;
    height: auto;
    display: block; /* Remove espaços extras */
}

#phone {
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

#phone::placeholder{
    font-family: inherit;
    letter-spacing: normal;
}