/* ===== RESET E VARIÁVEIS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #0A0E27;
    --color-bg-secondary: #0F1E35;
    --color-bg-dark: #050A15;
    --color-text: #E8EDF2;
    --color-text-muted: #8A9BAD;
    --color-accent-cyan: #00D9FF;
    --color-accent-orange: #FF6B35;
    --color-accent-purple: #7B2CBF;
    --color-accent-blue: #0088FF;
    --color-border: #1A3A5A;
    --font-serif: Georgia, 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== BODY E BASE ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

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

a:hover {
    color: var(--color-accent-orange);
}

/* ===== HEADER ===== */
header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.logo-svg {
    width: 50px;
    height: 50px;
    transition: transform 0.3s ease;
}

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

.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 3px;
}

nav {
    display: flex;
    gap: 2rem;
    flex: 1;
}

nav a {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--color-accent-cyan);
}

.cta-header {
    background: var(--color-accent-orange);
    color: var(--color-bg);
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.cta-header:hover {
    background: #E55A1F;
    transform: translateY(-2px);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
    border-bottom: 2px solid var(--color-accent-cyan);
}

.hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    margin-bottom: 1rem;
    color: var(--color-text);
    font-weight: 700;
}

.hero .highlight {
    color: var(--color-accent-cyan);
}

.hero p {
    font-size: 18px;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BOTÕES ===== */
.btn {
    padding: 0.8rem 2rem;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--color-accent-cyan);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: #00B8E6;
    transform: translateY(-2px);
}

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

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

/* ===== SEÇÕES ===== */
.section {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section h2 {
    font-size: clamp(28px, 4vw, 36px);
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-weight: 700;
}

.section-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    font-size: 16px;
}

/* ===== CARDS ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--color-accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.1);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 18px;
    margin-bottom: 0.8rem;
    color: var(--color-text);
    font-weight: 600;
}

.card p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.8;
}

/* ===== SEÇÃO DE EXPERTS ===== */
.experts {
    background: var(--color-bg-secondary);
    padding: 3rem 2rem;
}

.experts h2 {
    color: var(--color-text);
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: clamp(28px, 4vw, 36px);
}

.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.expert {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.expert:hover {
    border-color: var(--color-accent-orange);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.1);
}

.expert-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-purple) 100%);
}

.expert-name {
    font-size: 20px;
    font-weight: 600;
    color: white;
    margin-bottom: 0.3rem;
}

.expert-role {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

.expert-body {
    padding: 1.5rem;
}

.expert-body p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.8;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.expert-skill {
    display: inline-block;
    background: var(--color-border);
    color: var(--color-accent-cyan);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.expert-skill:hover {
    background: var(--color-accent-cyan);
    color: var(--color-bg);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
    border: 2px solid var(--color-accent-cyan);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    margin: 2rem auto;
    max-width: 800px;
}

.cta-section h3 {
    font-size: 28px;
    margin-bottom: 1rem;
    color: var(--color-text);
    font-weight: 700;
}

.cta-section p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 16px;
}

/* ===== FOOTER ===== */
footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
    padding: 2rem;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--color-text);
    margin-bottom: 1rem;
    font-size: 16px;
    font-weight: 600;
}

.footer-section p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--color-accent-cyan);
}

.footer-section a:hover {
    color: var(--color-accent-orange);
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    nav a {
        text-align: center;
    }
    
    .cta-header {
        width: 100%;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .section {
        padding: 2rem 1rem;
    }
    
    .expert-grid {
        grid-template-columns: 1fr;
    }
    
    .cards {
        grid-template-columns: 1fr;
    }
    
    .cta-section {
        padding: 2rem 1rem;
    }
    
    .cta-section h3 {
        font-size: 22px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.8rem;
    }
    
    .brand-text {
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .logo-svg {
        width: 40px;
        height: 40px;
    }
    
    .hero h1 {
        font-size: 22px;
    }
    
    .section h2 {
        font-size: 24px;
    }
    
    nav {
        display: none;
    }
    
    .cta-header {
        padding: 0.5rem 1rem;
        font-size: 12px;
    }
}

/* ===== ANIMAÇÕES ===== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .expert {
    animation: slideInUp 0.5s ease-out;
}

/* ===== IMPRESSÃO ===== */
@media print {
    header, footer, .hero-buttons {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}