:root {
    --primary-color: #3b82f6;
    --accent-color: #f97316;
    --background-dark: #0f172a;
    --background-light: #1e293b;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-light) 50%, var(--background-dark) 100%);
    color: var(--text-primary);
    line-height: 1.6;
}

body.no-scroll {
    overflow: hidden;
}

.navbar {
    position: fixed;
    width: 100%;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

main {
    padding-top: 4rem;
}

section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.accent {
    background: linear-gradient(120deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.whatsapp-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.whatsapp-button svg {
    width: 32px;
    height: 32px;
}

@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }
}

.footer-bar {
    bottom: 0;
    width: 100%;
    color: #ffffff;
    text-align: center;
    margin-bottom: 2rem;
}
.footer-bar a {
    color: #ffffff;
}

.menu {
    position: fixed;
    top: 60px; 
    left: -100%;
    width: 70%;
    height: 100vh;
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-light) 50%, var(--background-dark) 100%);
    transition: left 0.3s ease;
    z-index: 99;
}

.menu ul {
    list-style: none;
    padding: 20px;
}

.menu ul li {
    margin: 20px 0;
}

.menu ul li a {
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    transition: color 0.3s;
}

.menu ul li a:hover {
    color: #00bcd4;
}

.menu.active {
    left: 0;
}