/* ==========================================================
   VIFASO - DỊCH VỤ TÍCH HỢP CHATBOT AI STYLESHEET
   ========================================================== */

:root {
    --vifaso-primary: #00cba0;
    --vifaso-primary-dark: #0b633d;
    --vifaso-dark: #081b29;
    --vifaso-bg-light: #f4f9f6;
    --vifaso-card-border: #e2e8f0;
}

/* 1. Hero Section */
.ai-hero-banner {
    background: url('/assets/images/banner/banner-cham-soc-kh.jpg') no-repeat center center;
    background-size: cover;
    padding: 90px 20px;
    position: relative;
    color: #ffffff;
    text-align: center;
}

.ai-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8, 27, 41, 0.78);
    z-index: 1;
}

.ai-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
}

.ai-hero-tag {
    background: rgba(0, 203, 160, 0.25);
    color: var(--vifaso-primary);
    border: 1px solid var(--vifaso-primary);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
}

.ai-hero-title {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 18px;
}

.ai-hero-desc {
    font-size: 16px;
    line-height: 1.6;
    color: #e2e8f0;
    max-width: 820px;
    margin: 0 auto 30px auto;
}

.ai-hero-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-ai-primary {
    background: var(--vifaso-primary);
    color: #081b29;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-ai-primary:hover {
    background: #00b38d;
    transform: translateY(-2px);
}

.btn-ai-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
}

/* 2. Pain Points Section */
.ai-pain-section {
    padding: 60px 20px;
    background: #fff5f5;
}

.section-badge-danger {
    background: rgba(229, 62, 62, 0.15);
    color: #e53e3e;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
}

.ai-pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.ai-pain-card {
    background: #ffffff;
    border: 1px solid #fed7d7;
    border-radius: 12px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.ai-pain-icon {
    width: 50px;
    height: 50px;
    background: rgba(229, 62, 62, 0.1);
    color: #e53e3e;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 15px;
}

.ai-pain-title {
    font-size: 17px;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 10px;
}

.ai-pain-desc {
    font-size: 14px;
    color: #4a5568;
    line-height: 1.5;
    margin-bottom: 15px;
}

.ai-pain-impact {
    font-size: 12px;
    font-weight: 700;
    color: #c53030;
    background: #fff5f5;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px dashed #feb2b2;
}

.ai-bridge-box {
    background: linear-gradient(135deg, #081b29 0%, #0b633d 100%);
    color: #ffffff;
    border-radius: 12px;
    padding: 25px 30px;
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.ai-bridge-text {
    font-size: 16px;
    line-height: 1.5;
    max-width: 800px;
}

.btn-ai-bridge {
    background: var(--vifaso-primary);
    color: #081b29;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

/* Common Layout */
.container-1200 {
    max-width: 1200px;
    margin: 0 auto;
}

.section-wrapper {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.section-header-center {
    text-align: center;
    margin-bottom: 40px;
}

.section-badge {
    background: rgba(0, 203, 160, 0.15);
    color: var(--vifaso-primary-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
}

.section-main-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--vifaso-dark);
    margin-top: 10px;
}

.section-sub-desc {
    color: #718096;
    font-size: 15px;
    margin-top: 8px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--vifaso-primary);
    margin: 15px auto 0 auto;
    border-radius: 2px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.feature-card {
    background: #ffffff;
    border: 1px solid var(--vifaso-card-border);
    border-radius: 12px;
    padding: 30px 25px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--vifaso-primary);
}

.feature-icon-box {
    width: 60px;
    height: 60px;
    background: rgba(0, 203, 160, 0.1);
    color: var(--vifaso-primary-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--vifaso-dark);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 14px;
    color: #4a5568;
    line-height: 1.6;
}

/* Process Section */
.ai-process-section {
    padding: 60px 20px;
    background: var(--vifaso-bg-light);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.process-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 25px 20px;
    position: relative;
    text-align: center;
}

.step-num {
    position: absolute;
    top: -15px;
    left: 20px;
    width: 35px;
    height: 35px;
    background: var(--vifaso-primary);
    color: #081b29;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-badge {
    font-size: 12px;
    font-weight: 700;
    color: var(--vifaso-primary-dark);
    display: block;
    margin-bottom: 6px;
}

.step-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--vifaso-dark);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 13px;
    color: #718096;
    line-height: 1.5;
}

/* Pricing Section */
.pricing-section {
    padding: 70px 20px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: #ffffff;
    border: 1px solid #cbd5e0;
    border-radius: 16px;
    padding: 35px 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--vifaso-primary);
    box-shadow: 0 10px 30px rgba(0, 203, 160, 0.15);
}

.badge-featured {
    position: absolute;
    top: -15px;
    right: 25px;
    background: #e53e3e;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
}

.pkg-tag {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
}

.pkg-tag.basic { background: #edf2f7; color: #4a5568; }
.pkg-tag.popular { background: rgba(0, 203, 160, 0.2); color: var(--vifaso-primary-dark); }
.pkg-tag.enterprise { background: #feebc8; color: #c05621; }

.pkg-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--vifaso-dark);
    margin: 10px 0 6px 0;
}

.pkg-target {
    font-size: 13px;
    color: #718096;
    min-height: 38px;
}

.price-box {
    background: #f7fafc;
    border-radius: 10px;
    padding: 15px;
    margin: 20px 0;
    text-align: center;
}

.price-box.featured-bg { background: rgba(0, 203, 160, 0.1); }

.price-val {
    font-size: 20px;
    font-weight: 800;
    color: var(--vifaso-primary-dark);
}

.price-val span {
    font-size: 13px;
    font-weight: 500;
    color: #718096;
}

.price-note {
    font-size: 12px;
    color: #a0aec0;
    display: block;
    margin-top: 4px;
}

.price-note.highlight {
    color: #c53030;
    font-weight: 700;
}

.pkg-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.pkg-features li {
    font-size: 14px;
    color: #4a5568;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pkg-features li i {
    color: var(--vifaso-primary-dark);
    margin-top: 3px;
}

.btn-select {
    display: block;
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
}

.btn-select.basic-btn { background: var(--vifaso-dark); color: #ffffff; }
.btn-select.popular-btn { background: var(--vifaso-primary); color: #081b29; }

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #081b29 0%, #0b633d 100%);
    padding: 70px 20px;
    color: #ffffff;
}

.cta-container {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.cta-tag {
    background: rgba(0, 203, 160, 0.2);
    color: var(--vifaso-primary);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.cta-title {
    font-size: 30px;
    font-weight: 800;
    margin: 15px 0 10px 0;
}

.cta-desc {
    color: #e2e8f0;
    font-size: 15px;
    margin-bottom: 30px;
}

.cta-form {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--vifaso-dark);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.form-control:focus {
    border-color: var(--vifaso-primary);
}

.btn-submit {
    width: 100%;
    background: var(--vifaso-primary);
    color: #081b29;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
}

.btn-submit:hover {
    background: #00b38d;
}

/* Badge thể hiện công nghệ AI lõi trong Bảng Giá */
.tech-stack-badge {
    background: #edf2f7;
    color: var(--vifaso-dark);
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 3px solid var(--vifaso-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tech-stack-badge i {
    color: var(--vifaso-primary-dark);
}

.tech-stack-badge.highlight {
    background: rgba(0, 203, 160, 0.15);
    color: var(--vifaso-dark);
    border-left: 3px solid var(--vifaso-primary);
}

.tech-stack-badge.highlight i {
    color: #d69e2e;
}