:root {
    --intro-primary: #128c5e;
    --intro-primary-dark: #0f766e;
    --intro-primary-light: #f0fdf4;
    --intro-gradient: linear-gradient(135deg, #128c5e 0%, #0d9488 100%);
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --card-radius: 12px;
}

.introduce-hero {
    position: relative;
    padding: 60px 0 60px;
    background: var(--intro-primary);
    background: linear-gradient(to right, #128c5e, #10b981);
    color: #fff;
    text-align: left;
    overflow: hidden;
}

.introduce-hero .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
    color: #fff;
}

.hero-subtitle {
    font-size: 23px;
    margin-bottom: 12px;
    letter-spacing: -0.2px;
    color: #fff;
}

.hero-desc {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 400;
    margin-bottom: 25px;
    color: #fff;
}

.intro-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
}

.hero-wave .shape-fill {
    fill: #f8fafc;
}

/* Layout */
.introduce-main {
    margin-top: -100px;
    position: relative;
    z-index: 10;
    padding-bottom: 80px;
    background-color: #f8fafc;
}

.intro-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
    margin-top: 120px !important;
}

@media (max-width: 992px) {
    .intro-layout {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.card {
    background: #fff;
    border-radius: var(--card-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    border: 1px solid #e2e8f0;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--intro-primary-light);
    padding-bottom: 15px;
}

.section-header .icon {
    width: 40px;
    height: 40px;
    background: var(--intro-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.section-header h3 {
    margin: 0;
    font-size: 24px;
    color: #1e293b;
    font-weight: 700;
}

/* Check List */
.check-list {
    list-style: none;
    padding: 20px;
    background: var(--intro-primary-light);
    border-radius: 8px;
    margin-top: 20px;
}

.check-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #065f46;
    font-weight: 500;
}

.check-icon {
    color: var(--intro-primary);
    font-weight: bold;
}

/* Service Items */
.service-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: transform 0.2s;
}

.service-item:hover {
    transform: translateX(5px);
}

.item-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.item-text h4 {
    margin: 0 0 4px;
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.item-text p {
    margin: 0;
    font-size: 14px;
    color: #64748b;
}

.bg-green-light {
    background: #f0fdf4;
}

.bg-green-light .item-icon {
    background: #dcfce7;
    color: #166534;
}

.bg-blue-light {
    background: #eff6ff;
}

.bg-blue-light .item-icon {
    background: #dbeafe;
    color: #1e40af;
}

.bg-teal-light {
    background: #f0fdfa;
}

.bg-teal-light .item-icon {
    background: #ccfbf1;
    color: #115e59;
}

.bg-purple-light {
    background: #faf5ff;
}

.bg-purple-light .item-icon {
    background: #f3e8ff;
    color: #6b21a8;
}

.bg-pink-light {
    background: #fdf2f8;
}

.bg-pink-light .item-icon {
    background: #fce7f3;
    color: #9d174d;
}

/* Cert Items */
.cert-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 4px solid transparent;
}

.cert-icon {
    font-size: 20px;
}

.cert-item p {
    margin: 0;
    font-weight: 500;
    font-size: 15px;
}

.bg-orange-soft {
    background: #fffaf0;
    border-left-color: #ed8936;
    color: #7b341e;
}

.bg-green-soft {
    background: #f0fff4;
    border-left-color: #48bb78;
    color: #22543d;
}

.bg-blue-soft {
    background: #ebf8ff;
    border-left-color: #4299e1;
    color: #2a4365;
}

.bg-teal-soft {
    background: #e6fffa;
    border-left-color: #38b2ac;
    color: #234e52;
}

.bg-lime-soft {
    background: #f7fee7;
    border-left-color: #84cc16;
    color: #365314;
}

/* Sidebar */
.section-header-small {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.section-header-small .icon {
    width: 32px;
    height: 32px;
    background: var(--intro-primary-light);
    color: var(--intro-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.section-header-small h4 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.staff-card {
    padding: 12px;
    background: #fff;
    border-radius: 18px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.staff-card.active {
    border-color: var(--intro-primary);
    background: #f9fafb;
}

.staff-card.expert {
    border-color: #0ea5e9;
    background: #f9fafb;
}

.staff-card h5 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f0fdf4;
    padding: 12px 15px;
    border-radius: 12px;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.staff-card.expert h5 {
    background: #f0f9ff;
}

.staff-card h5 i {
    color: var(--intro-primary);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.staff-card.expert h5 i {
    color: #0ea5e9;
}

.staff-card p {
    margin: 6px 0;
    font-size: 14px;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f0fdf4;
    padding: 10px 15px;
    border-radius: 10px;
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.staff-card.expert p {
    background: #f0f9ff;
}

.staff-card p i {
    color: var(--intro-primary);
    width: 20px;
    text-align: center;
    font-size: 14px;
}

.staff-card.expert p i {
    color: #0ea5e9;
}

.staff-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.sidebar-cta {
    background: var(--intro-primary);
    color: #fff;
    text-align: center;
    padding: 25px;
}

.sidebar-cta p {
    margin: 0 0 20px;
    font-weight: 600;
    font-size: 16px;
}

.btn-cta {
    background: #fff;
    color: var(--intro-primary) !important;
    padding: 12px 20px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-cta:hover {
    background: #f0fdf4;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}