/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #b0c8e0 100%);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    animation: fadeInUp 1s ease;
}

.hero h2 {
    font-size: 3rem;
    color: #1a202c;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    text-align: center;
    animation: fadeInRight 1s ease;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: #f7fafc;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4299e1, #2b6cb0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #ed8936, #dd6b20);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #38a169, #2f855a);
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #805ad5, #6b46c1);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #1a202c;
}

/* Buyer Selection Section */
.buyer-selection {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.buyer-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.buyer-card {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 5px solid transparent;
}

.buyer-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.buyer-card:nth-child(1) {
    border-top-color: #38a169;
}

.buyer-card:nth-child(2) {
    border-top-color: #ed8936;
}

.buyer-card:nth-child(3) {
    border-top-color: #805ad5;
}

.buyer-icon {
    width: 80px;
    height: 80px;
    background: #f7fafc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #2b6cb0;
    font-size: 2rem;
}

.buyer-card:nth-child(1) .buyer-icon {
    color: #38a169;
    background: #f0fff4;
}

.buyer-card:nth-child(2) .buyer-icon {
    color: #ed8936;
    background: #fffaf0;
}

.buyer-card:nth-child(3) .buyer-icon {
    color: #805ad5;
    background: #faf5ff;
}

.buyer-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #1a202c;
}

.buyer-card p {
    color: #4a5568;
    margin-bottom: 25px;
    line-height: 1.6;
}

.benefits {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.benefits li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.benefits i {
    color: #38a169;
}

.buyer-card .btn-buyer {
    width: 100%;
    margin-top: 10px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero p {
        margin: 0 auto 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .buyer-options {
        grid-template-columns: 1fr;
    }
}