.calculadoras-hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #a0a0a0;
    font-weight: 300;
}

.calculadoras-grid-section {
    padding: 80px 0;
    background: #0f0f1e;
}

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

.calc-card {
    position: relative;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: linear-gradient(135deg, #2a2a4e 0%, #1a1a3e 100%);
}

.calc-card:nth-child(1) {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(153, 27, 27, 0.3) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M20,50 Q40,20 50,50 T80,50" stroke="rgba(239,68,68,0.3)" fill="none" stroke-width="2"/></svg>');
    background-size: cover;
}

.calc-card:nth-child(2) {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(29, 78, 216, 0.3) 100%);
}

.calc-card:nth-child(3) {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.3) 100%);
}

.calc-card:nth-child(4) {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.3) 100%);
}

.calc-card:nth-child(5) {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(109, 40, 217, 0.3) 100%);
}

.calc-card:nth-child(6) {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2) 0%, rgba(190, 24, 93, 0.3) 100%);
}

.calc-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.calc-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
    transition: opacity 0.3s ease;
}

.calc-card:hover .calc-card-overlay {
    opacity: 0.9;
}

.calc-card-content {
    position: relative;
    z-index: 2;
    padding: 40px 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calc-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.calc-description {
    font-size: 1rem;
    color: #d1d1d1;
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.calc-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    align-self: flex-start;
}

.calc-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.calc-btn i {
    transition: transform 0.3s ease;
}

.calc-btn:hover i {
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .calculadoras-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .calc-card {
        height: 280px;
    }

    .calc-title {
        font-size: 1.5rem;
    }

    .calc-description {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .calculadoras-hero {
        padding: 60px 0 40px;
    }

    .calc-card-content {
        padding: 30px 20px;
    }
}