:root {
    --color-bg-light: #ffffff;
    --color-text-light: #1a1a1a;
    --color-text-secondary-light: #666666;
    --color-accent-light: #1a1a1a;
    --color-border-light: #e0e0e0;

    --color-bg-dark: #1a1a1a;
    --color-text-dark: #ffffff;
    --color-text-secondary-dark: #b3b3b3;
    --color-accent-dark: #ffffff;
    --color-border-dark: #333333;

    --color-bg: var(--color-bg-light);
    --color-text: var(--color-text-light);
    --color-text-secondary: var(--color-text-secondary-light);
    --color-accent: var(--color-accent-light);
    --color-border: var(--color-border-light);
}

body.dark-mode {
    --color-bg: var(--color-bg-dark);
    --color-text: var(--color-text-dark);
    --color-text-secondary: var(--color-text-secondary-dark);
    --color-accent: var(--color-accent-dark);
    --color-border: var(--color-border-dark);
}

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

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 0;
}

/* Header */
.header {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.header-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Botão de Tema */
.btn-theme {
    background: none;
    border: 1px solid var(--color-border);
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--color-text);
}

.btn-theme:hover {
    background-color: var(--color-border);
    transform: scale(1.05);
}

.btn-theme:active {
    transform: scale(0.95);
}

.theme-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
}

/* Seletor de Idioma */
.language-select {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.language-select:hover {
    border-color: var(--color-accent);
}

.language-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(26, 26, 26, 0.1);
}

body.dark-mode .language-select:focus {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

/* Conteúdo Principal */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

/* Logo */
.logo-wrapper {
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
    animation: pulse 2.5s ease-in-out infinite;
}

.logo:hover {
    transform: scale(1.02);
}

body.dark-mode .logo {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

/* Título */
.title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    line-height: 1.2;
}

/* Mensagem */
.message {
    font-size: 1rem;
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    max-width: 500px;
}

/* Seção de Contato */
.contact-section {
    width: 100%;
    padding: 1.5rem;
    background-color: var(--color-border);
    border-radius: 8px;
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.contact-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.contact-link {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    word-break: break-all;
}

.contact-link:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* Rodapé */
.footer {
    width: 100%;
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
    background-color: var(--color-bg);
}

.footer-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Animações */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    }
    50% {
        transform: scale(1.06);
        filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
    }
}

/* Responsivo - Tablet */
@media (min-width: 640px) {
    .title {
        font-size: 2.5rem;
    }

    .message {
        font-size: 1.1rem;
    }

    .logo {
        max-width: 320px;
    }

    .main-content {
        padding: 3rem 2rem;
    }
}

/* Responsivo - Desktop */
@media (min-width: 1024px) {
    .title {
        font-size: 3rem;
    }

    .message {
        font-size: 1.2rem;
    }

    .logo {
        max-width: 380px;
    }

    .main-content {
        padding: 4rem 2rem;
    }

    .logo:hover {
        transform: scale(1.05);
    }
}

/* Impressão */
@media print {
    .header {
        display: none;
    }

    body {
        background-color: white;
        color: black;
    }
}

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