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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* Variables CSS */
:root {
    --primary-color: #2e7d32;
    --secondary-color: #4caf50;
    --accent-color: #66bb6a;
    --light-green: #e8f5e9;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-gray: #333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Loading Spinner */
.loading {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Header */
header {
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--secondary-color)
    );
    color: var(--white);
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

header p {
    font-size: 1.3rem;
    font-weight: 300;
    position: relative;
    z-index: 1;
    opacity: 0.95;
}

/* Navigation */
nav {
    background: var(--white);
    padding: 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav a {
    display: inline-block;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    position: relative;
}

nav a:hover,
nav a.active {
    background: var(--light-green);
    color: var(--primary-color);
    border-bottom-color: var(--secondary-color);
}

nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--secondary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 100%;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    background: var(--white);
    margin: 2rem 0;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

section.animate-in {
    opacity: 1;
    transform: translateY(0);
    animation: slideInUp 0.6s ease forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 80px;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--secondary-color),
        var(--accent-color)
    );
    transform: translateX(-50%);
    border-radius: 2px;
}

h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* Cards */
.card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 5px solid var(--secondary-color);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--primary-color);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.card h3::after {
    content: " ▶";
    font-size: 0.8em;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.card h3.active::after {
    content: " ▼";
    transform: rotate(90deg);
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, var(--light-green), #c8e6c9);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 5px solid var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.highlight-box::before {
    content: "🌟";
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    opacity: 0.3;
}

/* ODS Container */
.ods-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.ods-item {
    background: linear-gradient(135deg, #f1f8e9, #dcedc8);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
}

.ods-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.highlight {
    font-weight: 600;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

/* Metrics */
.metrics {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 5px solid #2196f3;
}

.metrics h3 {
    color: #1976d2;
    margin-bottom: 1.5rem;
    text-align: center;
}

.metrics ul {
    list-style: none;
    padding: 0;
}

.metrics li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0;
    padding: 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.metrics li:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(5px);
}

/* Aprendizados Grid */
.aprendizados-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.aprendizado-item {
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 5px solid;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.aprendizado-item::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    border-radius: 50%;
    transform: translate(25px, -25px);
}

.aprendizado-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.positivo {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border-color: var(--secondary-color);
}

.criticas {
    background: linear-gradient(135deg, #fff3e0, #ffcc02);
    border-color: #ff9800;
}

.ideias {
    background: linear-gradient(135deg, #e3f2fd, #90caf9);
    border-color: #2196f3;
}

.limitacoes {
    background: linear-gradient(135deg, #fce4ec, #f8bbd9);
    border-color: #e91e63;
}

/* Conclusões */
.conclusoes-destaque,
.proximos-passos {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 5px solid #9c27b0;
    transition: var(--transition);
}

.conclusoes-destaque:hover,
.proximos-passos:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.conclusoes-destaque ul {
    list-style: none;
    padding: 0;
}

.conclusoes-destaque li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.conclusoes-destaque li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Contato */
.contato-content {
    text-align: center;
}

.contato-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.contato-item {
    background: linear-gradient(135deg, var(--light-green), #c8e6c9);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.contato-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.contato-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contato-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    margin: 5% auto;
    display: block;
    max-width: 80%;
    max-height: 80%;
    position: relative;
    animation: modalZoom 0.3s ease;
}

@keyframes modalZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-content img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--secondary-color);
    transform: scale(1.1);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    margin: 0;
    font-size: 1rem;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    background: var(--white);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.gallery-overlay p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
    color: var(--white);
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    header p {
        font-size: 1.1rem;
    }

    nav {
        flex-direction: column;
    }

    nav a {
        text-align: center;
        border-bottom: 1px solid #eee;
    }

    main {
        padding: 1rem;
    }

    section {
        padding: 1.5rem;
        margin: 1rem 0;
    }

    h2 {
        font-size: 2rem;
    }

    .grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .aprendizados-grid {
        grid-template-columns: 1fr;
    }

    .contato-info {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }

    .gallery-item img {
        height: 200px;
    }

    .share-buttons {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 0.8rem;
    }

    .project-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1.5rem;
    }

    .back-to-top {
        right: 20px;
        bottom: 70px;
    }

    .modal-content {
        max-width: 95%;
        margin: 10% auto;
    }
}

@media (max-width: 480px) {
    header {
        padding: 2rem 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    section {
        padding: 1rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .highlight-box,
    .metrics,
    .aprendizado-item,
    .conclusoes-destaque,
    .proximos-passos,
    .contato-item {
        padding: 1rem;
    }
}

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

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states melhorados */
a:focus,
button:focus,
.card:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Hover states mais suaves */
.card,
.contato-item,
.aprendizado-item {
    will-change: transform;
}

/* Share Buttons */
.share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--white);
    min-height: 60px;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.share-btn.whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.share-btn.facebook {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
}

.share-btn.twitter {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
}

.share-btn.linkedin {
    background: linear-gradient(135deg, #0077b5, #005885);
}

.share-btn.email {
    background: linear-gradient(135deg, #ea4335, #d33b2c);
}

.share-btn.copy {
    background: linear-gradient(
        135deg,
        var(--secondary-color),
        var(--primary-color)
    );
}

.share-icon {
    font-size: 1.2rem;
}

/* Project Stats */
.project-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, var(--light-green), #c8e6c9);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--secondary-color);
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.stat-item:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.95);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #555;
    font-weight: 500;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 80px;
    width: 50px;
    height: 50px;
    background: linear-gradient(
        135deg,
        var(--secondary-color),
        var(--primary-color)
    );
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-hover);
}

.back-to-top-icon {
    font-size: 1.5rem;
}

/* PWA Install Prompt */
.pwa-install {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 300px;
    display: none;
    z-index: 1001;
}

.pwa-install.show {
    display: block;
    animation: slideInLeft 0.3s ease;
}

.pwa-install button {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    margin: 0.5rem 0.5rem 0 0;
    font-weight: 600;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition);
}

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

/* Loading enhancements */
.loading {
    backdrop-filter: blur(5px);
    background: rgba(255, 255, 255, 0.9);
}

.spinner {
    position: relative;
}

.spinner::after {
    content: "🌱";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translate(-50%, -50%) translateY(0);
    }
    40% {
        transform: translate(-50%, -50%) translateY(-10px);
    }
    60% {
        transform: translate(-50%, -50%) translateY(-5px);
    }
}

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