/* ==========================================================================
   CSS TỐI ƯU CHO TRANG GIỚI THIỆU / VỀ CHÚNG TÔI (VIFASO)
   ========================================================================== */

.vifaso-section {
    padding: 80px 5%;
}

.vifaso-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: #64748b;
    text-align: center;
    max-width: 750px;
    margin: 0 auto 50px auto;
    line-height: 1.6;
}

/* Trust Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    text-align: center;
}

.metric-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-bottom: 4px solid #0b633d;
}

.metric-number {
    font-size: 38px;
    font-weight: 800;
    color: #0b633d;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 14px;
    color: #475569;
    font-weight: 600;
}

/* Core Values Card */
.value-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: #0b633d;
    box-shadow: 0 10px 25px rgba(11, 99, 61, 0.1);
}

/* Form Inputs */
.form-input {
    width: 100%;
    padding: 14px 18px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    font-size: 15px;
    outline: none;
    margin-bottom: 15px;
    box-sizing: border-box;
    background: #fff;
}

.form-input:focus {
    border-color: #0b633d;
}

/* Hero Banner */
.hero-banner-about {
    position: relative;
    background: url('/images/banner/banner-tuoi-bietthu.png') no-repeat center center;
    background-size: cover;
    color: #fff;
    padding: 100px 5% 90px 5%;
}

.hero-overlay-about {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(6, 78, 59, 0.92), rgba(11, 99, 61, 0.80));
    z-index: 1;
}

.hero-content-about {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

/* Call to Action Section */
.cta-section-about {
    padding: 80px 5%;
    background: linear-gradient(135deg, #064e3b, #0b633d);
    color: #fff;
}

.cta-grid-about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.cta-form-box-about {
    background: #ffffff;
    padding: 35px;
    border-radius: 12px;
    color: #0f172a;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.btn-primary-vifaso {
    width: 100%;
    background: #0b633d;
    color: #ffffff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary-vifaso:hover {
    background: #094e2f;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content-about {
        grid-template-columns: 1fr;
    }
    .cta-grid-about {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .vifaso-section {
        padding: 50px 5%;
    }
    .section-title {
        font-size: 26px;
    }
}