/* ============================================
   ENHANCED ABOUT PAGE STYLES
   ============================================ */

:root {
    --primary: #007BFF;
    --primary-dark: #0056b3;
    --primary-light: #3395ff;
    --secondary: #333;
    --text-dark: #1a1a1a;
    --text-medium: #333;
    --text-light: #666;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f9f9f9;
    --gray-200: #f4f4f4;
    --gray-300: #e0e0e0;
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-medium);
    background-color: var(--gray-200);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */

header {
    background-color: var(--secondary);
    color: var(--white);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

header.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-lg);
}

.header-content {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    color: var(--white);
    font-weight: 700;
    font-size: 1.75rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.main-nav a {
    color: var(--white);
    font-weight: 600;
    padding: 0.625rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-light);
    outline: none;
}

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #2a2a2a;
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 0.5rem;
    animation: fadeInDown 0.3s ease;
}

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

.dropdown-content a {
    color: var(--white);
    padding: 1rem 1.25rem;
    display: block;
    transition: var(--transition);
}

.dropdown-content a:hover {
    background-color: var(--primary);
    padding-left: 1.5rem;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 6rem 2rem 5rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    z-index: 1;
}

.hero-section h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.lead {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   VISION SECTION
   ============================================ */

.vision-section {
    padding: 5rem 2rem;
    background-color: var(--white);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--text-dark);
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
}

.vision-content p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: justify;
}

.vision-content p:last-child {
    margin-bottom: 0;
}

/* ============================================
   PRINCIPLES SECTION
   ============================================ */

.principles-section {
    padding: 5rem 2rem;
    background-color: var(--gray-50);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.principle-card {
    background-color: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.principle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.principle-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.principle-card:hover::before {
    transform: scaleX(1);
}

.principle-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.principle-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.principle-card p {
    color: var(--text-light);
    line-height: 1.8;
    text-align: left;
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}

.newsletter-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: 1rem;
    font-weight: 700;
}

.newsletter-content p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 550px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--white);
    background-color: rgba(255, 255, 255, 0.15);
}

.newsletter-form button {
    padding: 1rem 2.5rem;
    background-color: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background-color: var(--secondary);
    color: var(--white);
    padding: 3rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    margin-bottom: 2rem;
}

.footer-brand h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.footer-nav a {
    color: var(--white);
    font-weight: 600;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--secondary);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        margin-top: 0.5rem;
    }
    
    .hero-section {
        padding: 4rem 1.5rem 3rem;
    }
    
    .vision-content p {
        text-align: left;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        width: 100%;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .principle-card {
        padding: 2rem 1.5rem;
    }
    
    .principle-icon {
        font-size: 3rem;
    }
}