/**
 * Style Principal - Application Investissement Pétrolier Koweït
 * Thème Luxueux : Noir/Or/Marron - Symboles de puissance pétrolière
 * Créée en 2019 - Design interactif et animé
 */

/* Variables CSS pour thème luxueux */
:root {
    /* Couleurs principales */
    --color-black: #000000;
    --color-dark: #1a1a1a;
    --color-darker: #0d0d0d;
    --color-gold: #FFD700;
    --color-gold-light: #FFED4E;
    --color-gold-dark: #B8860B;
    --color-bronze: #CD7F32;
    --color-brown: #8B4513;
    --color-brown-light: #A0522D;
    
    /* Couleurs accent */
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    
    /* Transparences */
    --bg-overlay: rgba(0, 0, 0, 0.8);
    --bg-glass: rgba(255, 215, 0, 0.1);
    --border-gold: rgba(255, 215, 0, 0.3);
    
    /* Shadows */
    --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.5);
    --shadow-black: 0 4px 15px rgba(0, 0, 0, 0.8);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.5);
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #FFD700, #B8860B);
    --gradient-black: linear-gradient(135deg, #1a1a1a, #000000);
    --gradient-oil: linear-gradient(45deg, #000000, #1a1a1a, #2d2d2d);
    
    /* Fonts */
    --font-primary: 'Poppins', 'Arial', sans-serif;
    --font-luxury: 'Cinzel', 'Georgia', serif;
    
    /* Animations */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-oil);
    color: var(--color-gold);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Effet de particules pétrolières en arrière-plan */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(205, 127, 50, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(139, 69, 19, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: oilFlow 20s ease-in-out infinite alternate;
}

@keyframes oilFlow {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }
    100% {
        transform: translateY(-10px) scale(1.02);
        opacity: 0.6;
    }
}

/* Typography Luxueuse */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-luxury);
    font-weight: 700;
    color: var(--color-gold);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: goldShimmer 3s ease-in-out infinite alternate;
}

@keyframes goldShimmer {
    0% {
        filter: brightness(1);
    }
    100% {
        filter: brightness(1.2);
    }
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
    box-shadow: var(--shadow-gold);
}

/* Conteneurs principaux */
.container-luxury {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

.glass-effect {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-gold);
    border-radius: 15px;
    box-shadow: var(--shadow-black);
}

/* Header Navigation */
.navbar-luxury {
    background: var(--gradient-black);
    border-bottom: 2px solid var(--color-gold);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar-luxury.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
}

.navbar-brand-luxury {
    font-family: var(--font-luxury);
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-gold) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

.navbar-brand-luxury:hover {
    color: var(--color-gold-light) !important;
    text-shadow: var(--shadow-gold);
    transform: scale(1.05);
}

.navbar-brand-luxury::before {
    content: '🛢️';
    font-size: 1.5rem;
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.nav-link-luxury {
    color: var(--color-gold) !important;
    font-weight: 500;
    padding: 10px 20px !important;
    margin: 0 5px;
    border-radius: 8px;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link-luxury::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-gold);
    transition: var(--transition-fast);
    z-index: -1;
    opacity: 0.1;
}

.nav-link-luxury:hover::before {
    left: 0;
}

.nav-link-luxury:hover {
    color: var(--color-black) !important;
    background: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

/* Boutons Luxueux */
.btn-luxury {
    background: var(--gradient-gold);
    color: var(--color-black);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-black);
}

.btn-luxury::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: var(--transition-fast);
    transform: translate(-50%, -50%);
}

.btn-luxury:hover::before {
    width: 300px;
    height: 300px;
}

.btn-luxury:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
    color: var(--color-black);
}

.btn-luxury:active {
    transform: translateY(-1px) scale(0.98);
}

/* Variantes de boutons */
.btn-luxury-outline {
    background: transparent;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
}

.btn-luxury-outline:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.btn-luxury-dark {
    background: var(--gradient-black);
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.btn-luxury-success {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.btn-luxury-danger {
    background: linear-gradient(135deg, #dc3545, #e74c3c);
}

/* Cards Luxueuses */
.card-luxury {
    background: var(--gradient-black);
    border: 1px solid var(--border-gold);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-black);
}

.card-luxury::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

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

.card-luxury:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    border-color: var(--color-gold);
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
}

.card-luxury-header {
    background: var(--gradient-gold);
    color: var(--color-black);
    padding: 20px;
    font-weight: bold;
    text-align: center;
    font-family: var(--font-luxury);
}

.card-luxury-body {
    padding: 30px;
    color: var(--color-gold);
}

.card-luxury-footer {
    background: rgba(255, 215, 0, 0.1);
    padding: 20px;
    border-top: 1px solid var(--border-gold);
}

/* Tableaux de données (DataTables) */
.table-luxury {
    background: var(--gradient-black);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-black);
    color: var(--color-gold);
}

.table-luxury thead {
    background: var(--gradient-gold);
    color: var(--color-black);
}

.table-luxury thead th {
    font-family: var(--font-luxury);
    font-weight: bold;
    padding: 15px;
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.table-luxury tbody tr {
    transition: var(--transition-fast);
}

.table-luxury tbody tr:hover {
    background: rgba(255, 215, 0, 0.1);
    transform: scale(1.01);
}

.table-luxury td {
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    vertical-align: middle;
}

/* Formulaires Luxueux */
.form-luxury {
    background: var(--glass-effect);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-black);
}

.form-group-luxury {
    margin-bottom: 25px;
    position: relative;
}

.form-label-luxury {
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
    font-size: 1.1rem;
}

.form-control-luxury {
    width: 100%;
    padding: 15px 20px;
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    color: var(--color-gold);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control-luxury:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
    background: rgba(26, 26, 26, 0.9);
}

.form-control-luxury::placeholder {
    color: rgba(255, 215, 0, 0.5);
}

/* Badges et Status */
.badge-luxury {
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-verified {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.badge-pending {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
    color: var(--color-black);
}

.badge-ai {
    background: linear-gradient(135deg, #6f42c1, #e83e8c);
    color: white;
}

/* Montants financiers */
.amount-display {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-gold);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    animation: goldPulse 2s ease-in-out infinite alternate;
}

@keyframes goldPulse {
    0% {
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    }
    100% {
        text-shadow: 2px 2px 8px rgba(255, 215, 0, 0.6);
    }
}

.amount-large {
    font-size: 2.5rem;
}

.amount-small {
    font-size: 1.2rem;
}

/* Animations de chargement */
.loading-luxury {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 215, 0, 0.3);
    border-top: 3px solid var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Icônes personnalisées */
.icon-oil::before {
    content: '🛢️';
    margin-right: 8px;
}

.icon-money::before {
    content: '💰';
    margin-right: 8px;
}

.icon-chart::before {
    content: '📈';
    margin-right: 8px;
}

.icon-shield::before {
    content: '🛡️';
    margin-right: 8px;
}

.icon-crown::before {
    content: '👑';
    margin-right: 8px;
}

/* Notifications et Alertes */
.alert-luxury {
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 5px solid;
    position: relative;
    box-shadow: var(--shadow-black);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-left-color: #28a745;
    color: #d4edda;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-left-color: #ffc107;
    color: #fff3cd;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border-left-color: #dc3545;
    color: #f8d7da;
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border-left-color: #17a2b8;
    color: #d1ecf1;
}

/* Modal Luxueux */
.modal-luxury {
    background: var(--bg-overlay);
    backdrop-filter: blur(5px);
}

.modal-content-luxury {
    background: var(--gradient-black);
    border: 2px solid var(--color-gold);
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.modal-header-luxury {
    background: var(--gradient-gold);
    color: var(--color-black);
    padding: 20px 30px;
    border-bottom: none;
    border-radius: 15px 15px 0 0;
}

.modal-body-luxury {
    padding: 30px;
    color: var(--color-gold);
}

/* Footer */
.footer-luxury {
    background: var(--gradient-black);
    border-top: 2px solid var(--color-gold);
    color: var(--color-gold);
    padding: 40px 0 20px;
    margin-top: 50px;
}

.footer-luxury .container {
    text-align: center;
}

.footer-luxury p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-luxury .year {
    color: var(--color-gold-light);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .navbar-brand-luxury {
        font-size: 1.5rem;
    }
    
    .container-luxury {
        padding: 0 15px;
    }
    
    .form-luxury {
        padding: 20px;
    }
    
    .amount-display {
        font-size: 1.2rem;
    }
    
    .amount-large {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .btn-luxury {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .card-luxury-body {
        padding: 20px;
    }
    
    .table-luxury {
        font-size: 0.9rem;
    }
}

/* Utilitaires */
.text-gold {
    color: var(--color-gold) !important;
}

.text-gold-light {
    color: var(--color-gold-light) !important;
}

.text-bronze {
    color: var(--color-bronze) !important;
}

.bg-glass {
    background: var(--bg-glass) !important;
}

.border-gold {
    border-color: var(--color-gold) !important;
}

.shadow-luxury {
    box-shadow: var(--shadow-black) !important;
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animation d'apparition */
.fade-in {
    animation: fadeIn 1s ease-in-out;
}

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

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Effets de survol spéciaux */
.hover-gold:hover {
    color: var(--color-gold) !important;
    transition: var(--transition-fast);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.hover-scale:hover {
    transform: scale(1.05);
    transition: var(--transition-fast);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
    transition: var(--transition-fast);
}

/* Section Top Investisseurs Réels */
.real-investors-stats {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    position: relative;
    overflow: hidden;
}

.real-investors-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffd700" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.total-investment-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    border: 2px solid #ffd700;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.1);
    transition: all 0.3s ease;
}

.total-investment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(255, 215, 0, 0.2);
}

.total-investment-card .card-icon {
    font-size: 3rem;
    color: #ffd700;
    margin-bottom: 20px;
}

.total-investment-card .total-label {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.total-investment-card .total-amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(255, 215, 0, 0.3);
    margin-bottom: 15px;
    font-family: 'Orbitron', monospace;
}

.total-investment-card .total-subtitle {
    color: #cccccc;
    font-size: 1rem;
}

.total-investment-card .card-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.pulse-ring {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid #ffd700;
    border-radius: 50%;
    animation: pulse 2s infinite;
    opacity: 0.3;
}

.pulse-ring-2 {
    animation-delay: 1s;
    width: 300px;
    height: 300px;
}

@keyframes pulse {
    0% {
        transform: scale(0.5);
        opacity: 0.3;
    }
    50% {
        transform: scale(1);
        opacity: 0.1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.investor-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    border: 1px solid #444;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.investor-card:hover {
    transform: translateY(-5px);
    border-color: #ffd700;
    box-shadow: 0 15px 30px rgba(255, 215, 0, 0.15);
}

.investor-card.rank-1 {
    border: 2px solid #ffd700;
    background: linear-gradient(135deg, #3d3d1d 0%, #2d2d1d 100%);
}

.investor-card.rank-2 {
    border: 2px solid #c0c0c0;
}

.investor-card.rank-3 {
    border: 2px solid #cd7f32;
}

.rank-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ffd700;
    color: #000;
    padding: 8px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.investor-card.rank-1 .rank-badge {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    animation: goldGlow 2s ease-in-out infinite alternate;
}

.investor-card.rank-2 .rank-badge {
    background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 100%);
    color: #333;
}

.investor-card.rank-3 .rank-badge {
    background: linear-gradient(135deg, #cd7f32 0%, #daa520 100%);
}

@keyframes goldGlow {
    0% {
        box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    }
    100% {
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
    }
}

.investor-avatar {
    position: relative;
    margin: 0 auto 20px;
    width: 80px;
    height: 80px;
}

.avatar-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #000;
    border: 3px solid #444;
}

.investor-card.rank-1 .avatar-circle {
    border-color: #ffd700;
    animation: goldPulse 2s ease-in-out infinite alternate;
}

@keyframes goldPulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

.country-flag {
    position: absolute;
    bottom: 0;
    right: 0;
    background: #ffd700;
    color: #000;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    border: 2px solid #1a1a1a;
}

.investor-info {
    margin-bottom: 25px;
}

.investor-name {
    color: #ffd700;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: 'Orbitron', monospace;
}

.investor-country {
    color: #cccccc;
    font-size: 0.9rem;
}

.investor-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
    padding: 20px 0;
    border-top: 1px solid #444;
    border-bottom: 1px solid #444;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 5px;
    font-family: 'Orbitron', monospace;
}

.stat-label {
    font-size: 0.8rem;
    color: #cccccc;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.investor-badge {
    background: linear-gradient(135deg, #1a4a1a 0%, #2d5a2d 100%);
    color: #66ff66;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    border: 1px solid #66ff66;
}

.no-data-message {
    padding: 60px 40px;
    text-align: center;
}

.no-data-message h4 {
    color: #ffd700;
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.no-data-message p {
    color: #cccccc;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.cta-investment {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    border: 2px solid #ffd700;
    border-radius: 20px;
    padding: 40px;
    margin-top: 40px;
}

.cta-investment .cta-title {
    color: #ffd700;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-investment .cta-subtitle {
    color: #cccccc;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.btn-cta-gold {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border: none;
    color: #000;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.btn-cta-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
    color: #000;
}

/* Responsive Design */
@media (max-width: 768px) {
    .total-investment-card {
        padding: 30px 20px;
    }
    
    .total-investment-card .total-amount {
        font-size: 2.5rem;
    }
    
    .investor-card {
        padding: 20px;
    }
    
    .investor-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-investment {
        padding: 30px 20px;
    }
    
    .cta-investment .cta-title {
        font-size: 1.8rem;
    }
}