:root {
    --primary-blue: #6B93D6;
    --soft-green: #7DCEA0;
    --light-purple: #BB8FCE;
    --warm-gray: #F8F9FA;
    --text-dark: #2C3E50;
    --text-light: #5D6D7E;
    --background: #FFFFFF;
    --card-bg: #FFFFFF;
    --shadow: rgba(108, 147, 214, 0.1);
    --accent: #52C4B0;
    --error: #E74C3C;
    --success: #27AE60;

    /* mapping old variables */
    --primary: var(--primary-blue);
    --secondary: var(--accent);
    --dark: var(--text-dark);
    --light: var(--warm-gray);
    --text: var(--text-light);
}

[data-theme="dark"] {
    --background: #1A1A2E;
    --card-bg: #16213E;
    --warm-gray: #0F3460;
    --text-dark: #EAEAEA;
    --text-light: #B8B8B8;
    --shadow: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Global Sections --- */
.about-us-wrapper {
    background-color: var(--background);
    padding-bottom: 80px;
}

section {
    padding: 80px 5%;
}

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

h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

/* --- Improved Hero Section --- */
.hero-section {
    position: relative;
    padding: 120px 5% 80px;
    background: linear-gradient(135deg, rgba(107, 147, 214, 0.1) 0%, rgba(187, 143, 206, 0.05) 100%);
    text-align: center;
    overflow: hidden;
}

.hero-animate {
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(107, 147, 214, 0.15);
    color: var(--primary-blue);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    color: var(--text-light);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- Improved Mission Section --- */
.mission-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

.mission-text {
    flex: 1.2;
}

.mission-lead {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.mission-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--card-bg);
    padding: 16px 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(107, 147, 214, 0.15);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(107, 147, 214, 0.15) 0%, rgba(187, 143, 206, 0.15) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.feature-item span {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.mission-visual {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    height: 100%;
}

.glass-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    padding: 60px 40px;
    border-radius: 30px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(107, 147, 214, 0.15);
    z-index: 2;
    position: relative;
}

[data-theme="dark"] .glass-card {
    background: rgba(22, 33, 62, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mission-svg {
    margin-bottom: 24px;
    filter: drop-shadow(0 10px 15px rgba(107, 147, 214, 0.2));
}

.glass-card h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.glass-card p {
    color: var(--text-light);
}

.visual-backdrop {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(107, 147, 214, 0.3) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
}

/* --- Improved Stats Section --- */
.stats-section {
    background: linear-gradient(to right, var(--primary-blue), var(--light-purple));
    padding: 60px 0;
    margin: 40px 0;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    padding: 40px 20px;
    border-radius: 24px;
    text-align: center;
    color: white;
    transition: all 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.25), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.stat-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.3);
}

.stat-card h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-card p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* --- Improved Team Section --- */
.team-header {
    text-align: center;
    margin-bottom: 60px;
}

.team-header p {
    color: var(--text-light);
    font-size: 1.2rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card.premium {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    border: 1px solid rgba(107, 147, 214, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.team-card.premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(135deg, rgba(107, 147, 214, 0.15), rgba(187, 143, 206, 0.15));
    transition: height 0.4s ease;
    z-index: 1;
}

.team-card.premium:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(107, 147, 214, 0.2);
}

.team-card.premium:hover::before {
    height: 150px;
}

.team-img-wrapper {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto 24px;
    z-index: 2;
}

.team-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    border: 4px solid var(--background);
}

.img-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-purple));
    z-index: 1;
    animation: rotateRing 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-card.premium:hover .img-ring {
    opacity: 1;
}

@keyframes rotateRing {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.team-card h4 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
}

.team-card .role {
    color: var(--primary-blue);
    font-weight: 500;
    position: relative;
    z-index: 2;
}

/* --- Scroll Animation Classes --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

/* --- Responsive Fix --- */
@media (max-width: 900px) {
    .mission-section {
        flex-direction: column;
        text-align: center;
    }
    
    .mission-features {
        align-items: center;
    }
    
    .feature-item {
        width: 100%;
        justify-content: center;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h2 { font-size: 2rem; margin-bottom: 15px; }
    
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1.05rem; }
    .hero-section { padding: 100px 5% 50px; }
    
    .glass-card {
        padding: 40px 20px;
        border-radius: 20px;
    }
    .glass-card h3 { font-size: 1.5rem; }
    
    .mission-lead { font-size: 1rem; margin-bottom: 30px; }
    .mission-section { gap: 40px; }
    
    .stat-card {
        padding: 30px 15px;
    }
    .stat-card h3 { font-size: 2.5rem; }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .team-card.premium {
        padding: 30px 20px;
    }
    
    .modal-content {
        padding: 20px;
        width: 95%;
    }
}

/* --- Modal --- */
.modal {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--card-bg);
    margin: auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    animation: scaleUp 0.3s ease;
}

@keyframes scaleUp {
    from {
        transform: scale(0.7);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.close {
    float: right;
    font-size: 28px;
    cursor: pointer;
}

.modal-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 15px;
}