/* --- About Hero Section (New Styling) --- */
.about-hero {
    padding: 60px 0;
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.about-intro-grid {
    display: flex;
    gap: 60px;
    align-items: center;
}

.profile-photo-container {
    flex: 0 0 40%;
    max-width: 400px;
}

.profile-photo-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 4px solid var(--bg-color);
}

.profile-photo-container img:hover {
    transform: scale(1.02);
    box-shadow: var(--box-shadow-hover);
}

.intro-content {
    flex: 1;
}

.intro-content h1 {
    font-size: 3.2em;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.lead-text {
    font-size: 1.2em;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* --- Expertise Section (Replacing USP) --- */
.expertise-section {
    padding: 80px 0;
    background-color: var(--bg-light);
    border-radius: 2rem;
    margin: 40px 0;
}

.expertise-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    font-size: 2.5em;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.expertise-item {
    padding: 40px 30px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-top: 4px solid var(--accent-color);
    text-align: center;
}

.expertise-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
    border-top-color: var(--primary-color);
}

.expertise-item h3 {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.expertise-item p {
    color: var(--text-muted);
    font-size: 1.05em;
    line-height: 1.6;
}

/* --- Credentials Section --- */
.credentials-section {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.credentials-section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 40px;
    font-size: 2.5em;
    font-weight: 800;
}

.credentials-content p {
    font-size: 1.15em;
    margin-bottom: 25px;
    text-align: center;
    color: var(--text-muted);
}

.clean-list {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 20px 30px;
}

.clean-list li {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1em;
    display: flex;
    align-items: center;
}

.clean-list li:last-child {
    border-bottom: none;
}

.clean-list li::before {
    content: "✓";
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 15px;
    font-size: 1.2em;
}

.clean-list a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-left: auto;
}

.clean-list a:hover {
    text-decoration: underline;
}

.collaborate-link {
    display: block;
    text-align: center;
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    font-size: 1.2em;
    padding: 15px 30px;
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    width: fit-content;
    margin: 0 auto;
    transition: var(--transition);
}

.collaborate-link:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--box-shadow);
}

/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .about-intro-grid {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .profile-photo-container {
        max-width: 80%;
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .clean-list li {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .clean-list li::before {
        margin-right: 0;
    }
    
    .clean-list a {
        margin-left: 0;
    }
}