/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Poppins", sans-serif;
    background: #f7f9fb;
}

/* HERO SECTION */
.rnd-hero {
    background: linear-gradient(135deg, #c62828, #e53935);
    color: #fff;
    text-align: center;
    padding: 120px 20px;
}

    .rnd-hero h1 {
        font-size: 54px;
        font-weight: 800;
        margin-bottom: 20px;
        letter-spacing: 1px;
    }

    .rnd-hero p {
        font-size: 20px;
        max-width: 900px;
        margin: 0 auto;
        line-height: 1.6;
    }

/* SECTION BASE */
.rnd-section {
    padding: 80px 20px;
}

    .rnd-section.alt-bg {
        background: #fff8e1;
    }

.section-title {
    text-align: center;
    font-size: 38px;
    font-weight: 800;
    color: #c62828;
    margin-bottom: 50px;
}

/* GRID LAYOUT */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* CARD STYLES */
.rnd-card {
    padding: 40px 30px;
    border-radius: 18px;
    color: #fff;
    box-shadow: 0 6px 14px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
}

    .rnd-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.25);
    }

    .rnd-card h3 {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 14px;
    }

    .rnd-card p {
        font-size: 17px;
        line-height: 1.6;
    }

/* COLOR VARIANTS */
.card-green {
    background: linear-gradient(135deg, #2e7d32, #66bb6a);
}

.card-blue {
    background: linear-gradient(135deg, #1565c0, #42a5f5);
}

.card-yellow {
    background: linear-gradient(135deg, #fbc02d, #fff176);
    color: #222;
}

.card-orange {
    background: linear-gradient(135deg, #ef6c00, #ffb74d);
}

.card-purple {
    background: linear-gradient(135deg, #6a1b9a, #ba68c8);
}

.card-red {
    background: linear-gradient(135deg, #c62828, #ef5350);
}

.card-teal {
    background: linear-gradient(135deg, #00695c, #26a69a);
}

.card-gold {
    background: linear-gradient(135deg, #f9a825, #ffd54f);
    color: #222;
}

/* BUTTON */
.view-btn {
    margin-top: 20px;
    padding: 10px 25px;
    background: #fff;
    color: #222;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

    .view-btn:hover {
        background: #222;
        color: #fff;
        transform: scale(1.05);
    }

/* RESPONSIVE */
@media (max-width: 768px) {
    .rnd-hero h1 {
        font-size: 38px;
    }

    .section-title {
        font-size: 30px;
    }
}