/* ===== Hero Slider ===== */
.hero-slider {
    position: relative;
    width: 100%;
    height: 80vh;
    overflow: hidden;
}

.hero-slider .slides img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
    transition: opacity 1s ease-in-out;
}

.hero-slider .slides img.active {
    display: block;
}

.hero-overlay {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.7);
}

.hero-overlay h1 {
    font-size: 50px;
    font-weight: 800;
    margin-bottom: 15px;
}

.hero-overlay p {
    font-size: 20px;
    margin-bottom: 25px;
}

.purchase-btn {
    background-color: #ff0000;
    color: white;
    font-size: 22px;
    font-weight: bold;
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    animation: blink 1s infinite;
    box-shadow: 0 0 15px rgba(255,0,0,0.6);
}

@keyframes blink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.2; }
}

/* ===== Features Section ===== */
.features {
    background-color: #f7f7f7;
}

.features h2 {
    font-weight: 700;
    color: #003366;
}

.features i {
    color: #003366;
}

.features h5 {
    font-weight: 600;
    margin-bottom: 10px;
}

.features p {
    color: #555;
    font-size: 15px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(to right, #003366, #0055aa);
}

.cta-section h2 {
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 16px;
    margin-bottom: 25px;
}

.purchase-btn-cta {
    background-color: #ffcc00;
    color: #003366;
    font-weight: bold;
    padding: 15px 40px;
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.purchase-btn-cta:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

/* ===== Info Section ===== */
.info-section h2 {
    font-weight: 700;
    color: #003366;
    margin-bottom: 15px;
}

.info-section p {
    color: #555;
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-overlay h1 { font-size: 36px; }
    .hero-overlay p { font-size: 16px; }
    .purchase-btn { font-size: 18px; padding: 12px 25px; }
    .cta-section h2 { font-size: 28px; }
}

@media (max-width: 480px) {
    .hero-overlay h1 { font-size: 26px; }
    .hero-overlay p { font-size: 14px; }
    .purchase-btn { font-size: 16px; padding: 10px 20px; }
    .cta-section h2 { font-size: 22px; }
}