:root {
    --primary-color: #6365f19f;
    --primary-dark: #4e46e59c;
    --secondary-color: #8a5cf681;
    --success-color: #10b981;
    --text-primary: #ffffff;        /* Texto branco */
    --text-secondary: #fefbd4;      /* Amarelo claro */
    --background: #1f2937;          /* Fundo escuro */
    --surface: rgba(0, 0, 0, 0.6); /* Fundo preto opaco para cards */
    --border: #374151;              /* Bordas escuras */
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 1rem;
}

.welcome-container {
    width: 55%;
    max-width: 1000px;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .welcome-container {
        width: 70%;
    }
}

@media (max-width: 768px) {
    .welcome-container {
        width: 90%;
    }

    body {
        padding: 0.5rem;
    }

    .welcome-content {
        padding: 1.5rem 1rem;
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .welcome-container {
        width: 95%;
    }

    body {
        padding: 0.25rem;
    }

    .welcome-content {
        padding: 1rem 0.75rem;
        margin-top: 0.5rem;
    }
}

.welcome-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    text-align: center;
    margin-top: 2rem;
}

.welcome-header {
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .welcome-header {
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .welcome-header {
        margin-bottom: 1.5rem;
    }
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 800;
    color:rgb(255, 236, 111);
    margin-bottom: 1rem;
    -webkit-background-clip: text;
    background-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .welcome-title {
        font-size: 2rem;
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 480px) {
    .welcome-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
}

.welcome-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .welcome-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .welcome-subtitle {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
}

.welcome-explanation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: stretch;
}

@media (max-width: 768px) {
    .welcome-explanation {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .welcome-explanation {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
}

.feature-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 2px solid var(--border);
    width: 100%;
    height: 550px;
    display: grid;
    grid-template-rows: auto auto auto 1fr;
    gap: 1rem;
    align-items: start;
    grid-template-areas:
        "icon"
        "title"
        "description"
        "list";
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .feature-card {
        height: auto;
        min-height: 450px;
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .feature-card {
        height: auto;
        min-height: 400px;
        padding: 1rem;
    }
}

.feature-card:hover::after {
    opacity: 1;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .feature-card:hover {
        cursor: pointer;
        transform: translateY(-4px) scale(1.01);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.12);
    }
}

@media (max-width: 480px) {
    .feature-card:hover {
        cursor: pointer;
        transform: translateY(-2px) scale(1.005);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
}

/* Desabilitar hover em dispositivos touch para evitar problemas */
@media (hover: none) and (pointer: coarse) {
    .feature-card:hover {
        transform: none;
        box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    }

    .feature-card:hover::after {
        opacity: 0;
    }

    .feature-card.simple-version:hover::before {
        opacity: 0;
    }

    .feature-card.featured:hover::before {
        opacity: 0;
    }
}

.feature-icon {
    font-size: 2.5rem;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    grid-area: icon;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .feature-icon {
        animation: none; /* Desabilitar animação do ícone em mobile para melhor performance */
    }

    .feature-card.featured::before {
        animation: none;
    }

    .welcome-container::before {
        animation-duration: 12s; /* Tornar a animação do fundo mais lenta em mobile */
    }
}

@media (max-width: 480px) {
    /* Desabilitar mais animações em dispositivos muito pequenos */
    .feature-icon {
        animation: none;
    }

    .feature-card.featured::before {
        animation: none;
    }

    .welcome-container::before {
        animation-duration: 15s;
    }

    /* Reduzir animações de entrada para melhor performance */
    .welcome-title,
    .welcome-subtitle,
    .welcome-explanation {
        animation-duration: 0.3s;
    }
}

.feature-card p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    text-align: center;
    grid-area: description;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
    height: 100%;
    font-size: 1.1rem;
    overflow: hidden;
    min-height: 60px;
}

@media (max-width: 768px) {
    .feature-card p {
        font-size: 1rem;
        min-height: 50px;
        padding: 0 0.25rem;
    }
}

/* Melhorias para dispositivos muito pequenos */
@media (max-width: 360px) {
    .welcome-container {
        width: 98%;
    }

    body {
        padding: 0.1rem;
    }

    .welcome-content {
        padding: 0.75rem 0.5rem;
        margin-top: 0.25rem;
    }

    .welcome-header {
        margin-bottom: 1rem;
    }

    .welcome-title {
        font-size: 1.3rem;
        margin-bottom: 0.4rem;
    }

    .welcome-subtitle {
        font-size: 0.9rem;
        margin-bottom: 0.8rem;
    }

    .feature-card {
        min-height: 350px;
        padding: 0.75rem;
    }

    .feature-icon {
        font-size: 1.8rem;
    }

    .feature-card p {
        font-size: 0.85rem;
        min-height: 35px;
    }

    .feature-list {
        min-height: 100px;
    }

    .feature-list li {
        padding: 0.3rem 0;
        font-size: 0.85rem;
    }

    .welcome-footer {
        margin-top: 0.75rem;
        padding: 0.75rem;
    }

    .kanban-explanation {
        font-size: 0.85rem;
        line-height: 1.4;
    }
}

.feature-list {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
    grid-area: list;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 200px;
}

@media (max-width: 768px) {
    .feature-list {
        min-height: 150px;
    }
}

@media (max-width: 480px) {
    .feature-list {
        min-height: 120px;
    }
}

.feature-list li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .feature-list li {
        padding: 0.4rem 0;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .feature-list li {
        padding: 0.35rem 0;
        font-size: 0.9rem;
    }
}

.feature-list li::before {
    content: '✅';
    color: var(--success-color);
    font-weight: bold;
}



.feature-card.simple-version {
    border-color: #06d6a0;
    background: linear-gradient(135deg, rgba(6, 214, 160, 0.05) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.feature-card.simple-version::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #06d69e82, #22c55e74, #06d69e6d);
    background-size: 200% 200%;
    border-radius: calc(var(--radius-lg) + 2px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card.simple-version:hover::before {
    opacity: 1;
}

.feature-card.simple-version:hover {
    box-shadow: 0 10px 25px rgba(6, 214, 160, 0.3);
    border-color: #06d6a0;
}

.feature-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.feature-card.featured::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 200% 200%;
    border-radius: calc(var(--radius-lg) + 2px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card.featured:hover::before {
    opacity: 1;
}

.feature-card.featured:hover {
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
    border-color: var(--primary-color);
}


.welcome-container {
    animation: welcomeFadeIn 0.8s ease-out;
}

@keyframes welcomeFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.welcome-title {
    animation: titleSlideUp 0.6s ease-out 0.2s both;
}

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

.welcome-subtitle {
    animation: subtitleSlideUp 0.6s ease-out 0.4s both;
}

@keyframes subtitleSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-explanation {
    animation: cardsContainerSlideUp 0.8s ease-out 0.6s both;
}

@keyframes cardsContainerSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.feature-icon {
    animation: iconFloat 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.feature-card.simple-version:hover .feature-icon {
    animation: iconBounce 0.6s ease-in-out;
    color: #10b981;
}

.feature-card.featured:hover .feature-icon {
    animation: iconRotate 0.6s ease-in-out;
    color: #6366f1;
}

@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.1);
    }
}

@keyframes iconRotate {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}

.feature-card h3 {
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card h3:hover {
    color: #c06600;
    transform: translateY(-2px) scale(1.03);
    text-shadow: 0 2px 4px rgba(192, 102, 0, 0.2);
}

.feature-card p {
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card p:hover {
    color: #374151;
    transform: translateY(-1px);
}

.feature-list li {
    animation: listItemSlideIn 0.4s ease-out both;
    transition: all 0.2s ease;
}

.feature-list li:nth-child(1) { animation-delay: 0.1s; }
.feature-list li:nth-child(2) { animation-delay: 0.2s; }
.feature-list li:nth-child(3) { animation-delay: 0.3s; }
.feature-list li:nth-child(4) { animation-delay: 0.4s; }
.feature-list li:nth-child(5) { animation-delay: 0.5s; }
.feature-list li:nth-child(6) { animation-delay: 0.6s; }

@keyframes listItemSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-list li:hover {
    transform: translateX(5px);
    color: #361414;
}

.feature-list li::before {
    transition: all 0.3s ease;
    display: inline-block;
}

.feature-list li:hover::before {
    transform: scale(1.2) rotate(8deg);
    color: #10b981;
}


.welcome-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    z-index: -1;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.feature-card.featured {
    position: relative;
}

.feature-card.featured::before {
    animation: featuredPulse 2s ease-in-out infinite;
}

@keyframes featuredPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }
}

.welcome-footer {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .welcome-footer {
        margin-top: 1.5rem;
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .welcome-footer {
        margin-top: 1rem;
        padding: 1rem;
    }
}

.kanban-explanation {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
    margin: 0;
}

@media (max-width: 768px) {
    .kanban-explanation {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .kanban-explanation {
        font-size: 0.9rem;
        line-height: 1.5;
    }
}

.kanban-explanation strong {
    color: var(--text-primary);
    font-weight: 600;
}

.main-footer {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    margin-top: 2rem;
    border-radius: 23px;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 0.3rem 0;
}

.author-info p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.social-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.social-icon svg {
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.social-icon:hover svg {
    color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.social-icon:hover::before {
    left: 100%;
}

.social-icon.github:hover {
    background: rgba(51, 51, 51, 0.8);
    border-color: rgba(51, 51, 51, 0.9);
    box-shadow: 0 4px 12px rgba(51, 51, 51, 0.3);
}

.social-icon.linkedin:hover {
    background: rgba(0, 119, 181, 0.8);
    border-color: rgba(0, 119, 181, 0.9);
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.3);
}

.social-icon.whatsapp:hover {
    background: rgba(37, 211, 102, 0.8);
    border-color: rgba(37, 211, 102, 0.9);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.social-icon.instagram:hover {
    background: linear-gradient(45deg, rgba(240, 148, 51, 0.8), rgba(230, 104, 60, 0.8), rgba(220, 39, 67, 0.8));
    border-color: rgba(188, 24, 136, 0.9);
    box-shadow: 0 4px 12px rgba(188, 24, 136, 0.3);
}

.social-icon.email:hover {
    background: rgba(234, 67, 53, 0.8);
    border-color: rgba(234, 67, 53, 0.9);
    box-shadow: 0 4px 12px rgba(234, 67, 53, 0.3);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

.floating-particle {
    animation: float 5s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}