:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(17, 24, 39, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-color: #4f46e5;
    --accent-hover: #4338ca;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --danger-color: #ef4444;
    --danger-gradient: linear-gradient(135deg, #ef4444 0%, #f43f5e 100%);
    --success-color: #10b981;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --secondary-color: #374151;
    --secondary-hover: #4b5563;
}

body {
    font-family: 'Plus Jakarta Sans', 'Outfit', sans-serif;
    background: var(--bg-color);
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(17, 24, 39, 1) 0%, #070a13 100%);
    color: var(--text-primary);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.01em;
}

/* Typography Improvements */
h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0;
}

.navbar {
    background: rgba(11, 15, 25, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text {
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 3rem auto;
    padding: 0 2rem;
    box-sizing: border-box;
    flex-grow: 1;
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.25rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero-section {
    padding: 5rem 2rem;
    text-align: center;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(168, 85, 247, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    animation: pulse 12s infinite alternate linear;
    z-index: 0;
    pointer-events: none;
}

@keyframes pulse {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 10%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.25rem;
    background: linear-gradient(to right, #ffffff, #c7d2fe, #e9d5ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.35);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

.btn-xs {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Grids and Layouts */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.card-icon {
    font-size: 1.5rem;
}

.desc-text {
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

/* Stats mini grid */
.stats-mini-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.stat-box {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.stat-val {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, #a5b4fc, #e9d5ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* Lists */
.styled-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.styled-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.styled-list li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    top: 0.1rem;
    color: #f59e0b;
}

/* Memory Wall Section */
.section-container {
    margin: 4rem 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    border-left: 4px solid #818cf8;
    padding-left: 1.25rem;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 700;
    color: #818cf8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: 2.25rem;
    margin: 0.25rem 0 0 0;
}

/* Gallery styling */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.gallery-item {
    overflow: hidden;
    padding: 0.75rem;
    border-radius: 18px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.image-wrapper {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 12px;
    background: #0f172a;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.gallery-item:hover .image-wrapper img {
    transform: scale(1.06);
}

.gallery-caption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    padding: 0 0.5rem;
}

.caption-text {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.caption-link {
    text-decoration: none;
    font-size: 1rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.caption-link:hover {
    opacity: 1;
}

/* Modals styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 10, 19, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 500px;
    width: 90%;
    margin-bottom: 0;
    animation: modalPop 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.upload-area:hover {
    border-color: var(--accent-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.upload-text {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}



/* Flash alerts */
.flash-messages {
    margin-bottom: 2.5rem;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.2);
}

/* Footer styling */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 2rem 0;
    margin-top: auto;
    background: rgba(7, 10, 19, 0.4);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media(max-width: 768px) {
    .hero-title {
        font-size: 2.75rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .grid-layout {
        grid-template-columns: 1fr;
    }
}

/* Group Logo Styles */
.logo-wrapper {
    margin-bottom: 2rem;
    display: inline-block;
    position: relative;
}

.group-logo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-wrapper:hover .group-logo {
    transform: rotate(6deg) scale(1.06);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.35);
}