/* Home Page Styling */

.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    color: white;
    border-radius: 20px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.calculator-card {
    background: white;
    color: var(--dark);
    padding: 35px;
    border-radius: 16px;
    max-width: 850px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    border: 1px solid rgba(255,255,255,0.1);
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.calc-label {
    display: block;
    text-align: left;
    font-weight: 700;
    margin-bottom: 12px;
}

.calc-val {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 800;
}

input[type= range] {
    width: 100%;
    margin: 10px 0;
    cursor: pointer;
}

.calc-hints {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--slate-400);
}

/* Categories Section */
.section-title-group {
    margin-bottom: 25px;
    padding-left: 20px;
    border-left: 5px solid var(--primary);
}

.section-title-group h3 {
    margin: 0;
    font-size: 1.6rem;
    color: var(--dark);
}

.categories-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.category-tile {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
    padding: 20px;
    background: white;
    border: 1px solid var(--slate-100);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-tile:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-color: var(--primary);
}

.category-icon {
    font-size: 2.2rem;
    min-width: 50px;
    display: inline-flex;
    justify-content: center;
}