:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.4);
    --bg-header: rgba(15, 23, 42, 0.74);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --accent-teal: #2dd4bf;
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --border-color: #1e293b;
    --border-muted: rgba(226, 232, 240, 0.08);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    margin: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
    transition: background 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

/* Header styles are mostly handled in navbar.css */
header {
    position: sticky;
    top: 0;
    z-index: 50;
}


/* Main */
main {
    text-align: center;
    padding: 5rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    background: transparent;
}

main>* {
    position: relative;
    z-index: 1;
}

/* Camada de luzes aurora dentro do <main> */
.aurora {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
    filter: blur(150px) saturate(140%);
    opacity: 0.5;
}

.aurora .blob {
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: screen;
    will-change: transform;
    animation: floatBlob 18s ease-in-out infinite;
}

.aurora .blob.b1 {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, #2dd4bf 0%, transparent 70%);
    top: -400px;
    left: -400px;
    animation-delay: 0s;
}

.aurora .blob.b2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #a855f7 0%, transparent 70%);
    top: 10%;
    right: -180px;
    animation-delay: -4s;
    animation-duration: 22s;
}

.aurora .blob.b3 {
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    bottom: -150px;
    left: 20%;
    animation-delay: -8s;
    animation-duration: 20s;
}

.aurora .blob.b4 {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    top: 50%;
    left: 40%;
    animation-delay: -12s;
    animation-duration: 26s;
}

@keyframes floatBlob {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(60px, -40px) scale(1.1);
    }

    50% {
        transform: translate(-40px, 50px) scale(0.95);
    }

    75% {
        transform: translate(50px, 30px) scale(1.05);
    }
}

/* Vinheta sutil para destacar o conteúdo sobre as luzes */
main::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 23, 42, 0.55) 80%);
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    color: var(--accent-teal);
    font-size: 0.75rem;
    font-weight: 500;
}

.dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--accent-teal);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-top: 1rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(to right, var(--accent-teal), var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.descricao {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Botões principais */
.botoes {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primario,
.btn-secundario {
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primario {
    background: linear-gradient(to right, var(--accent-teal), var(--accent-blue));
    color: var(--bg-dark);
}

.btn-secundario {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: #e2e8f0;
}

.btn-primario:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(45, 212, 191, 0.3);
}

.btn-secundario:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-color: var(--text-muted);
}

/* Features */
#features {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

#feature-title {
    text-align: center;
    margin-bottom: 3rem;
}

#feature-title h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

#feature-title p {
    color: var(--text-muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid rgba(30, 41, 59, 0.8);
    padding: 2rem;
    border-radius: 1rem;
    transition: var(--transition-smooth);
}

.card:hover {
    border-color: var(--accent-teal);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--bg-dark);
    background: var(--bg-card);
    padding: 2rem 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.footer-container a {
    margin-left: 1rem;
    text-decoration: none;
    color: var(--text-dim);
    transition: var(--transition-smooth);
}

.footer-container a:hover {
    color: var(--text-muted);
}

/* Media Queries para Responsividade Aprimorada */
@media only screen and (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }

    #feature-title h2 {
        font-size: 1.5rem;
    }

    main {
        padding: 3rem 1rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-container .links a {
        margin: 0 0.5rem;
    }
}


@media (min-width:980px) {
    .grid.has-6 {
        display: grid;
        grid-template-columns: repeat(6, minmax(0, 1fr));
        gap: 1rem;
    }

    .grid>.card:last-child {
        grid-column-start: 2;
    }

}