body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
    color: #fff;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 8vw 16px 8vw;
    background: linear-gradient(90deg, #11998e 0%, #38ef7d 100%);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.logo {
    font-size: 2.2rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.logo .highlight {
    color: #38ef7d;
}

.whatsapp {
    display: flex;
    align-items: center;
    background: #25d366;
    color: #fff;
    padding: 10px 18px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(56,239,125,0.15);
    transition: background 0.2s;
    gap: 10px;
}
.whatsapp img {
    width: 24px;
    height: 24px;
}
.whatsapp:hover {
    background: #128c7e;
}

.hero {
    text-align: center;
    padding: 60px 10vw 30px 10vw;
    background: linear-gradient(120deg, #38ef7d 0%, #11998e 100%);
    border-radius: 0 0 40px 40px;
    margin-bottom: 32px;
}
.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 12px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.09);
}
.hero p {
    font-size: 1.3rem;
    color: #eafff6;
}

.plans {
    display: flex;
    flex-direction: column;
    gap: 36px;
    padding: 0 8vw;
    margin-bottom: 40px;
}

.plans-unified {
    background: rgba(255,255,255,0.10);
    border-radius: 24px;
    box-shadow: 0 4px 32px rgba(56,239,125,0.10);
    padding: 32px 3vw;
    margin: 0 auto 40px auto;
    max-width: 1100px;
    position: relative;
}

.plans-title {
    text-align: center;
    font-size: 2rem;
    color: #38ef7d;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.all-plans {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
}

.plan-group {
    background: rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 18px 14px 12px 14px;
    min-width: 220px;
    flex: 1 1 220px;
    max-width: 240px;
    box-shadow: 0 2px 10px rgba(56,239,125,0.07);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.plan-group h2 {
    margin-top: 0;
    margin-bottom: 18px;
    font-size: 1.5rem;
    color: #38ef7d;
    letter-spacing: 1px;
}

.plan-group h3 {
    margin: 0 0 12px 0;
    font-size: 1.1rem;
    color: #38ef7d;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.plan-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    align-items: center;
}

.plan-card {
    width: 100%;
    min-width: unset;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    border-radius: 14px;
    padding: 22px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 2px 12px rgba(56,239,125,0.10);
    margin-bottom: 10px;
    transition: transform 0.15s, box-shadow 0.15s;
}
.plan-card:hover {
    transform: translateY(-5px) scale(1.04);
    box-shadow: 0 6px 24px rgba(56,239,125,0.18);
}
.plan-card .speed {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 8px;
}
.plan-card .price {
    font-size: 1.1rem;
    color: #fff;
    background: rgba(0,0,0,0.13);
    padding: 4px 14px;
    border-radius: 8px;
    font-weight: 500;
}

.cta {
    text-align: center;
    margin: 40px 0 30px 0;
}
.cta h2 {
    color: #38ef7d;
    margin-bottom: 18px;
}
.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(90deg, #25d366 0%, #128c7e 100%);
    color: #fff;
    padding: 14px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    gap: 12px;
    box-shadow: 0 2px 12px rgba(37,211,102,0.13);
    transition: background 0.2s;
}
.whatsapp-btn img {
    width: 28px;
    height: 28px;
}
.whatsapp-btn:hover {
    background: #128c7e;
}

footer {
    text-align: center;
    padding: 18px 0;
    background: rgba(0,0,0,0.13);
    color: #bfffe0;
    font-size: 1rem;
    border-radius: 20px 20px 0 0;
    margin-top: 30px;
}

/* Fundo animado */
.animated-bg {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}
.animated-bg::before, .animated-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.45;
    animation: moveBubbles 18s linear infinite alternate;
}
.animated-bg::before {
    width: 600px; height: 600px;
    left: -200px; top: -150px;
    background: radial-gradient(circle at 30% 30%, #38ef7d 0%, #11998e 80%);
    animation-delay: 0s;
}
.animated-bg::after {
    width: 500px; height: 500px;
    right: -180px; bottom: -120px;
    background: radial-gradient(circle at 70% 70%, #11998e 0%, #38ef7d 80%);
    animation-delay: 6s;
}
@keyframes moveBubbles {
    0% { transform: scale(1) translateY(0);}
    100% { transform: scale(1.2) translateY(40px);}
}

/* Responsividade aprimorada */
@media (max-width: 1100px) {
    .all-plans {
        gap: 18px;
    }
    .plan-group {
        min-width: 180px;
        max-width: 200px;
        padding: 14px 8px 10px 8px;
    }
}
@media (max-width: 900px) {
    .plans-unified {
        padding: 18px 1vw;
    }
    .all-plans {
        gap: 12px;
    }
    .plan-group {
        min-width: 140px;
        max-width: 160px;
        padding: 10px 4px 8px 4px;
    }
}
@media (max-width: 700px) {
    header {
        flex-direction: column;
        gap: 18px;
        padding: 24px 2vw 12px 2vw;
    }
    .all-plans {
        flex-direction: column;
        align-items: center;
        gap: 18px;
    }
    .plan-group {
        width: 95vw;
        max-width: 400px;
        min-width: unset;
        margin: 0 auto;
    }
    .plans-unified {
        padding: 8px 0;
    }
}
@media (max-width: 500px) {
    .plan-group {
        padding: 6px 2px 6px 2px;
    }
    .plan-card {
        padding: 14px 8px;
        font-size: 0.98rem;
    }
    .plans-title {
        font-size: 1.3rem;
    }
}