@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #0f172a;
    --secondary: #1e293b;
    --accent: #c5a059;
    --accent-light: #d4b675;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--primary);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.background-logo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/Users/tchelobarbosa/Downloads/logo.jpeg');
    background-size: 40%;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.08;
    z-index: 0;
    pointer-events: none;
}

header {
    position: relative;
    z-index: 1;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text);
}

.brand-name span {
    color: var(--accent);
}

nav ul {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 40px;
}

nav ul li a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

nav ul li a:hover {
    color: var(--text);
}

nav ul li a:hover::after {
    width: 100%;
}

.btn {
    border: 1px solid var(--accent);
    padding: 10px 24px;
    border-radius: 6px;
    color: var(--accent) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--accent);
    color: var(--primary) !important;
    box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--primary) 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

.scrolldown {
    display: inline-block;
    padding: 14px 32px;
    background: var(--accent);
    color: var(--primary);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.scrolldown:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(197, 160, 89, 0.4);
}

#expertise {
    position: relative;
    z-index: 1;
    padding: 100px 5%;
    background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.95) 50%);
}

#expertise h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 60px;
    font-weight: 600;
    color: var(--text);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--accent);
    font-weight: 600;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    width: 70%;
    max-width: 900px;
    background: var(--secondary);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--glass-border);
}

.modal-content video {
    width: 100%;
    border-radius: 12px;
    display: block;
}

.close {
    position: absolute;
    top: -50px;
    right: 0;
    color: var(--text-muted);
    font-size: 40px;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.close:hover {
    color: var(--accent);
}

footer {
    position: relative;
    z-index: 1;
    padding: 40px;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    background: rgba(15, 23, 42, 0.9);
}

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

footer p strong {
    color: var(--accent);
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    nav ul {
        gap: 20px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 90%;
        margin: 20% auto;
    }
}