:root {
    --radius-xl: 1.5rem;
    --transition-fast: 0.3s ease;
    --transition-spring: cubic-bezier(0.25, 1, 0.5, 1);

    --verde-urbano: #008000;
    --verde-luz: #00ffa3;
    --dourado-digital: #ffd700;
    --cinza-concreto: #1e1e1e;
    --preto-urbano: #000000;
    --texto-base: #e1e1e1;
}

body {
    background: #0a0a0a;
    color: var(--texto-base);
    font-family: "Martel Sans", sans-serif;
    line-height: 1.6;
}

/* === TÍTULOS COM GLOW SUAVE === */
.gradient-text {
    background: linear-gradient(90deg, var(--verde-luz), var(--dourado-digital));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow:
    0 0 2px rgba(0, 255, 163, 0.3),
    0 0 4px rgba(0, 255, 163, 0.2);
}

/* === CARDS COM FUNDO ESCURO E EFEITO CONTIDO === */
.card-css {
    background-color: var(--cinza-concreto);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 0 0 6px rgba(0, 255, 163, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* === FOOTER COM ELEGÂNCIA === */
.footer-css {
    background: #121212;
    color: #ccc;
    padding: 2rem 1rem;
    margin-top: 4rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-quote {
    font-weight: 500;
    font-size: 1rem;
    margin-bottom: 1rem;
    color: #aaa;
    text-shadow: 0 0 2px rgba(0, 255, 180, 0.1);
}
.footer-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}
.icon {
    width: 1.8rem;
    height: 1.8rem;
    transition: transform 0.3s ease, filter 0.3s ease;
}
.icon-link:hover .icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 3px rgba(0, 255, 180, 0.3));
}
.footer-copy {
    font-size: 0.875rem;
    color: #777;
}