/* Styling for About Us page, extending standard theme */

:root {
  --military-primary: #17633e;
  --military-secondary: #ff5100;
  --body-bg: #f8fafc;
  --card-bg: #ffffff;
  --text-gray-700: #4b5563;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

body {
    background-color: var(--body-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #374151;
}

.main-container {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 3rem 1rem;
}

.content-wrapper {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
}

.main-heading {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--military-primary);
    margin-bottom: 2rem;
    text-align: center;
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e5e7eb;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-gray-700);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--military-primary);
}

.tab-btn.active {
    color: var(--military-primary);
    border-bottom-color: var(--military-primary);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.5s;
}

.tab-content.active {
    display: block;
}

.overview-card {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    border: 1px solid #e5e7eb;
}

.overview-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-gray-700);
    margin-bottom: 1.5rem;
}

.vision-list {
    list-style-type: none;
    padding: 0;
    margin: 1.5rem 0;
}

.vision-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    color: var(--text-gray-700);
}

.vision-list li::before {
    content: "●";
    color: var(--military-secondary);
    position: absolute;
    left: 0;
    font-size: 0.8em;
    top: 0.4em;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
}