/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root {
    /* Paleta de Cores Contemporânea - Dark Mode Inspirado */
    --color-bg: #0a0a0a; /* Fundo escuro */
    --color-card: #1c1c1c; /* Fundo de cards/blocos */
    --color-primary: #00eaff; /* Ciano/Azul Elétrico - Destaque */
    --color-primary-dark: #00b3cc;
    --color-text-light: #f0f0f0; /* Texto principal claro */
    --color-text-soft: #a0a0a0; /* Texto secundário/suave */
    --color-border: #333333; /* Borda sutil */
    --color-shadow: rgba(0, 234, 255, 0.15); /* Sombra sutil com cor primária */

    /* Tipografia */
    --font-size-h1: 3.8rem;
    --font-size-h2: 2.2rem;
    --font-size-subtitle: 1.3rem;
    --font-weight-bold: 800;
    --font-weight-medium: 600;

    /* Espaçamento */
    --spacing-section: 100px;
    --spacing-gap: 20px;
}

body {
    background: var(--color-bg);
    color: var(--color-text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Estrutura Geral */
section {
    width: 90%;
    max-width: 1200px;
    margin: var(--spacing-section) auto;
    padding: 0 20px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-primary-dark);
}

/* Navegação (Navbar) */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    max-width: 1400px;
    margin: 0 auto;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.95); /* Fundo semi-transparente */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
}

.navbar .nav-links a {
    margin-left: 30px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-soft);
    transition: color 0.3s;
}

.navbar .nav-links a:hover {
    color: var(--color-primary);
}

.btn-nav {
    padding: 8px 18px;
    border: 1px solid var(--color-primary);
    border-radius: 8px;
    color: var(--color-primary) !important;
    transition: background-color 0.3s, color 0.3s;
}

.btn-nav:hover {
    background-color: var(--color-primary);
    color: var(--color-bg) !important;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 120px 20px 80px;
    background: radial-gradient(circle at top, rgba(0, 234, 255, 0.05) 0%, transparent 50%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-avatar {
    width: 80px;
    height: 80px;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary);
}

.hero-section h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-section .highlight {
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(0, 234, 255, 0.5);
}

.hero-section .subtitle {
    font-size: var(--font-size-subtitle);
    color: var(--color-text-soft);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Botões */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    border: 2px solid var(--color-primary);
    box-shadow: 0 5px 20px var(--color-shadow);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 8px 25px var(--color-shadow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-2px);
}

/* Seções */
.section-title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
    margin-bottom: 10px;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-soft);
    text-align: center;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Showcase Grid */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-gap);
}

.block {
    background: var(--color-card);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.block:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.block .icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    display: block;
    margin-bottom: 15px;
}

.block h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: 10px;
    color: var(--color-text-light);
}

.block p {
    color: var(--color-text-soft);
}

/* Tech List */
.section-tech {
    background: var(--color-card);
    border-radius: 16px;
    padding: 60px 40px;
    border: 1px solid var(--color-border);
}

.tech-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tech-item h4 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 5px;
    font-weight: var(--font-weight-medium);
}

.tech-item p {
    color: var(--color-text-light);
    font-size: 1rem;
}

/* CTA Section */
.section-cta {
    text-align: center;
}

.cta-card {
    background: linear-gradient(135deg, var(--color-card), #282828);
    padding: 60px;
    border-radius: 16px;
    border: 1px solid var(--color-primary);
    box-shadow: 0 0 30px var(--color-shadow);
}

.cta-card h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.cta-card p {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-size: 0.9rem;
}

footer p {
    margin: 5px 0;
}

/* Responsividade */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 2.8rem;
        --font-size-h2: 1.8rem;
        --font-size-subtitle: 1.1rem;
        --spacing-section: 80px;
    }

    .navbar {
        flex-direction: column;
        padding: 15px 5%;
    }

    .navbar .logo {
        margin-bottom: 15px;
    }

    .navbar .nav-links a {
        margin: 0 10px;
        font-size: 0.9rem;
    }

    .hero-section {
        padding: 80px 20px 60px;
    }

    .btn-primary, .btn-secondary {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .cta-card {
        padding: 40px 20px;
    }

    .cta-card h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .navbar .nav-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .navbar .nav-links a {
        margin: 0;
    }

    .btn-nav {
        margin-top: 10px;
    }
}