.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 40px;
}
.calc-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.calc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
.calc-card-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    display: flex; align-items: center; justify-content: center;
    color: var(--secondary); font-size: 1.4rem;
}
.calc-card h3 { font-size: 1.15rem; font-family: var(--font-body); font-weight: 600; }
.calc-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; flex: 1; }
.calc-card .btn { align-self: flex-start; margin-top: auto; }

/* CALCULATOR FORM */
.calc-page { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.calc-form-wrap { background: var(--white); border-radius: var(--radius); padding: 36px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.calc-result-wrap { background: var(--white); border-radius: var(--radius); padding: 36px; border: 1px solid var(--border); box-shadow: var(--shadow); position: sticky; top: 100px; }

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-weight: 500; font-size: 0.88rem; color: var(--text);
}
.form-group input, .form-group select {
    width: 100%; padding: 12px 16px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 0.95rem; font-family: var(--font-body);
    background: var(--light); color: var(--text);
    transition: var(--transition);
}
.form-group input:focus, .form-group select:focus {
    outline: none; border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(196,163,90,0.15);
    background: var(--white);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.78rem; color: var(--text-light); margin-top: 4px; }

.btn-calculate {
    width: 100%; padding: 14px;
    background: linear-gradient(135deg, var(--secondary), #d4b76a);
    color: var(--white); border: none; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 1rem; cursor: pointer;
    transition: var(--transition); margin-top: 8px;
}
.btn-calculate:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(196,163,90,0.4); }
.btn-calculate:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* RESULTS */
.result-placeholder {
    text-align: center; padding: 40px 20px; color: var(--text-light);
}
.result-placeholder i { font-size: 3rem; margin-bottom: 16px; display: block; opacity: 0.3; }
.result-title { font-size: 1.3rem; margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.result-title i { color: var(--secondary); }

.result-section { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.result-section:last-child { border-bottom: none; margin-bottom: 0; }
.result-section h4 { font-size: 0.9rem; font-family: var(--font-body); color: var(--text-light); font-weight: 600; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }

.result-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; font-size: 0.92rem; }
.result-row .label { color: var(--text-light); }
.result-row .value { font-weight: 600; color: var(--text); }

.result-total {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    border-radius: var(--radius-sm); padding: 20px;
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 16px;
}
.result-total .label { color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.result-total .value { color: var(--secondary); font-size: 1.5rem; font-weight: 700; }

.result-info {
    background: rgba(196,163,90,0.08); border-radius: var(--radius-sm);
    padding: 12px 16px; margin-top: 16px;
    font-size: 0.82rem; color: var(--text-light); line-height: 1.6;
    border-left: 3px solid var(--secondary);
}

@media (max-width: 768px) {
    .calc-page { grid-template-columns: 1fr; }
    .calc-result-wrap { position: static; }
    .form-row { grid-template-columns: 1fr; }
    .calc-grid { grid-template-columns: 1fr; }
}