/* About Hero Section */
.about-hero-section {
    background-color: var(--bg-dark-green);
    background-image: linear-gradient(135deg, var(--bg-dark-green) 0%, #061811 100%);
    color: var(--text-light);
    position: relative;
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 15.625rem;
    overflow: hidden;
}

.about-hero-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 6.25rem;
    padding-bottom: 3.75rem;
}

.about-hero-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 0.9375rem;
    text-transform: uppercase;
}

.about-hero-subtitle {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.9375rem;
}

.about-hero-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 43.75rem;
    line-height: 1.6;
}

/* Intro Section */
.about-intro-section {
    background-color: transparent;
    position: relative;
    margin-top: -12.5rem;
    z-index: 10;
    padding-top: 0;
    padding-bottom: 5rem;
}

.about-intro-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1.25rem 2.5rem rgba(0,0,0,0.1);
    height: 100%;
    border-top: 0.3125rem solid var(--accent-green);
    transition: transform 0.3s;
}

.about-intro-card:hover {
    transform: translateY(-0.3125rem);
}

.about-intro-title {
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: var(--bg-dark-green);
    position: relative;
    padding-bottom: 0.9375rem;
}

.about-intro-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 2.5rem;
    height: 0.25rem;
    background-color: var(--accent-green);
}

.about-intro-text {
    color: var(--text-body-dark);
    font-size: 0.95rem;
    line-height: 1.7;
}

.about-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.625rem;
    color: var(--text-body-dark);
    font-size: 0.95rem;
}

.about-list li::before {
    content: '-';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-green);
}

/* Methodology Section */
.about-methodology-section {
    background-color: var(--bg-light-section);
}

.about-step-card {
    padding: 1.875rem;
    position: relative;
    height: 100%;
}

.about-step-number {
    font-size: 5rem;
    font-weight: 800;
    color: rgba(13, 38, 28, 0.05);
    position: absolute;
    top: -0.625rem;
    left: 1.25rem;
    line-height: 1;
    z-index: 0;
}

.about-step-content {
    position: relative;
    z-index: 1;
    padding-top: 2.5rem;
}

.about-step-title {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--bg-dark-green);
    margin-bottom: 0.9375rem;
}

.about-step-desc {
    color: var(--text-body-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Why Choose Us Section */
.about-choose-section {
    background-color: #fff;
}

.choose-accordion .accordion-item {
    border: none;
    margin-bottom: 0.625rem;
    background: transparent;
}

.choose-accordion .accordion-button {
    font-weight: 600;
    color: var(--text-body-dark);
    background-color: transparent;
    padding: 0.9375rem 0;
    box-shadow: none;
    border-bottom: 0.0625rem solid #eee;
}

.choose-accordion .accordion-button:not(.collapsed) {
    color: var(--accent-green);
    background-color: transparent;
    border-bottom: 0.0625rem solid #eee;
}

.choose-accordion .accordion-button::after {
    background-image: none;
    content: '+';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--bg-dark-green);
    transform: none;
}

.choose-accordion .accordion-button:not(.collapsed)::after {
    content: 'x';
    color: var(--accent-green);
}

.choose-accordion .accordion-body {
    padding: 0.625rem 0 1.25rem 0;
    color: var(--text-body-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

.choose-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.75rem;
    min-height: 31.25rem;
}

/* Responsive */
@media (max-width: 991px) {
    .about-hero-title { font-size: 2.5rem; }
    .about-hero-section { min-height: 60vh; padding-bottom: 9.375rem; }
    .about-intro-section { margin-top: -6.25rem; }
    .about-step-number { font-size: 4rem; }
    .choose-image { min-height: 18.75rem; margin-bottom: 1.875rem; }
}

@media (max-width: 576px) {
    .about-hero-title { font-size: 2rem; }
    .about-hero-subtitle { font-size: 1.4rem; }
}