/* ========== VARIÁVEIS ========== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

/* ========== TEMA CLARO (PADRÃO) ========== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
}

/* ========== TEMA ESCURO (PRETO PURO + AZUL) ========== */
[data-theme="dark"] {
    --bg-primary: #000000;        /* Preto puro */
    --bg-secondary: #0a0a0a;      /* Preto levemente mais claro */
    --text-primary: #ffffff;      /* Branco puro */
    --text-secondary: #e2e8f0;    /* Branco suave */
    --border-color: #1a1a1a;      /* Cinza escuro para bordas */
    --primary: #3b82f6;           /* Azul vibrante */
    --primary-dark: #2563eb;      /* Azul mais escuro */
    --secondary: #60a5fa;         /* Azul claro para detalhes */
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    background: var(--bg-primary);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ========== ESTILO DA LOGO REDONDA ========== */
.logo-img {
    height: 2.2rem;
    width: 2.2rem;
    display: block;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--primary);
    padding: 2px;
    background: var(--bg-primary);
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.05);
    border-color: var(--primary-dark);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* Remove o estilo do ícone antigo */
.logo i {
    display: none;
}

/* Mantém o destaque do texto */
.logo .highlight {
    color: var(--primary);
}

/* ========== NAVEGAÇÃO DESKTOP ========== */
.nav-menu ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-link {
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    color: var(--text-secondary);
}

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

/* ========== CONTROLES (TEMA E IDIOMA) ========== */
.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-btn {
    background: var(--bg-secondary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.control-btn:hover {
    background: var(--primary);
    color: white;
    transform: rotate(15deg);
}

.language-selector {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: var(--bg-secondary);
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    opacity: 0.7;
}

.lang-btn:hover {
    opacity: 1;
    transform: scale(1.05);
}

.lang-btn.active {
    opacity: 1;
    background: var(--primary);
}

/* ========== BOTÃO MOBILE ========== */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    z-index: 1002;
}

/* ========== MENU MOBILE (SIDEBAR) ========== */
@media (max-width: 768px) {
    .nav-controls {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        transition: left 0.3s ease;
        z-index: 1001;
        padding: 80px 24px 24px 24px;
        overflow-y: auto;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 8px 0;
        display: block;
    }
    
    body.menu-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
    padding: 500px 24px 40px;
}

/* ========== SLIDES ========== */
.hero-slide {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    height: calc(100% - 90px);
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    z-index: 1;
    border-radius: 12px;
    overflow: hidden;
}

/* Centraliza o conteúdo dos slides verticalmente */
.hero-slide {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Slide ativo (visível) */
.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

/* Overlay escuro sobre a imagem do slide */
.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

/* Imagem de fundo do slide */
.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 85vh;
    object-fit: cover;
    z-index: 0;
}

/* ========== BOTÕES DO HERO ========== */
.hero-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    min-width: 180px;
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* ========== CONTEÚDO DO SLIDE ========== */
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: calc(var(--spacing-lg) * 1.2) var(--spacing-lg);
    animation: fadeInUp 0.8s ease;
}

/* Título principal */
.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 2.2;
    color: white;
}

/* Subtítulo / descrição */
.hero-content p {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--spacing-lg);
}

/* Texto com gradiente */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ========== MÁQUINA DE ESCREVER ========== */
.typing-container {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    min-height: 80px;
    color: white;
}

#typed-text {
    color: var(--primary);
    border-right: 3px solid var(--primary);
    padding-right: 5px;
    animation: blink 0.7s infinite;
}

/* Animação do cursor piscando */
@keyframes blink {
    0%, 100% { border-color: var(--primary); }
    50% { border-color: transparent; }
}

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

/* ========== RESPONSIVO ========== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .typing-container {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 70vh;
        padding: 120px 16px 40px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .typing-container {
        font-size: 1.2rem;
        min-height: 60px;
    }
    
    .hero-slide {
        width: calc(100% - 32px);
    }
    
    .slide-bg {
        height: 70vh;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 40px;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 0.85rem;
    }
    
    .typing-container {
        font-size: 1rem;
        min-height: 50px;
    }
}