/* ============================================
   PBAP - Private Banking Advisory Platform
   Sophisticated Private Banking Design System
   ============================================ */

/* ========== Color Palette ========== */
:root {
    /* Primary Colors - Deep Navy & Gold */
    --primary-navy: #1a2332;
    --primary-navy-light: #2c3d52;
    --primary-navy-dark: #0f1823;
    
    /* Accent - Champagne Gold */
    --accent-gold: #c5a572;
    --accent-gold-light: #d4b88a;
    --accent-gold-dark: #a68c5c;
    
    /* Neutrals - Sophisticated Grays */
    --neutral-white: #ffffff;
    --neutral-off-white: #f8f9fa;
    --neutral-light-gray: #e8eaed;
    --neutral-gray: #6c757d;
    --neutral-dark-gray: #495057;
    --neutral-charcoal: #343a40;
    
    /* Semantic Colors */
    --success-green: #2d5f3f;
    --error-red: #8b1e3f;
    --warning-amber: #b8860b;
    --info-blue: #2c5282;
    
    /* Typography */
    --font-primary: 'Playfair Display', Georgia, serif;
    --font-secondary: 'Inter', 'Segoe UI', system-ui, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Shadows */
    --shadow-subtle: 0 2px 8px rgba(26, 35, 50, 0.08);
    --shadow-medium: 0 4px 16px rgba(26, 35, 50, 0.12);
    --shadow-strong: 0 8px 32px rgba(26, 35, 50, 0.16);
    
    /* Transitions */
    --transition-fast: 200ms ease-in-out;
    --transition-medium: 350ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ========== Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--neutral-dark-gray);
    background-color: var(--neutral-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--neutral-dark-gray);
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--neutral-gray);
}

.small-text {
    font-size: 0.875rem;
    color: var(--neutral-gray);
}

/* ========== Navigation ========== */
.navbar-pbap {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-medium);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--neutral-white) !important;
    letter-spacing: 0.02em;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    color: var(--accent-gold) !important;
    transform: translateY(-2px);
}

.nav-link {
    color: var(--neutral-white) !important;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.5rem 1.25rem !important;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition-medium);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--accent-gold) !important;
}

/* ========== Hero Section ========== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-dark) 100%);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
    color: var(--neutral-white);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(197, 165, 114, 0.1) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    color: var(--neutral-white);
    margin-bottom: var(--spacing-lg);
}

.hero-section .lead-text {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* ========== Cards ========== */
.card-pbap {
    background: var(--neutral-white);
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-subtle);
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card-pbap::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gold);
    transform: scaleY(0);
    transition: var(--transition-medium);
}

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

.card-pbap:hover::before {
    transform: scaleY(1);
}

.card-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    border-radius: 50%;
    color: var(--accent-gold);
    font-size: 2.5rem;
    position: relative;
    box-shadow: var(--shadow-medium);
}

.card-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.card-text {
    color: var(--neutral-gray);
    line-height: 1.7;
    text-align: center;
}

/* ========== Buttons ========== */
.btn-pbap-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    color: var(--neutral-white);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 50px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-pbap-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-medium);
}

.btn-pbap-primary:hover::before {
    opacity: 1;
}

.btn-pbap-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
    color: var(--neutral-white);
}

.btn-pbap-secondary {
    background: transparent;
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 50px;
    transition: var(--transition-medium);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-pbap-secondary:hover {
    background: var(--accent-gold);
    color: var(--neutral-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.btn-pbap-outline {
    background: transparent;
    color: var(--neutral-white);
    border: 2px solid var(--neutral-white);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 50px;
    transition: var(--transition-medium);
}

.btn-pbap-outline:hover {
    background: var(--neutral-white);
    color: var(--primary-navy);
    transform: translateY(-3px);
}

/* ========== Forms ========== */
.form-container {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--neutral-white);
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

.form-label {
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.form-control {
    border: 2px solid var(--neutral-light-gray);
    border-radius: 8px;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--neutral-off-white);
}

.form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 0.2rem rgba(197, 165, 114, 0.25);
    background: var(--neutral-white);
    outline: none;
}

.form-control::placeholder {
    color: var(--neutral-gray);
    opacity: 0.7;
}

/* ========== Section Containers ========== */
.section-container {
    padding: var(--spacing-xxl) 0;
}

.content-wrapper {
    background: var(--neutral-white);
    border-radius: 12px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-subtle);
    margin: var(--spacing-lg) 0;
}

/* ========== Stat Cards ========== */
.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--neutral-white);
    border-radius: 12px;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-medium);
}

.stat-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-5px);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--neutral-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* ========== Alerts ========== */
.alert-pbap {
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: rgba(45, 95, 63, 0.1);
    border-color: var(--success-green);
    color: var(--success-green);
}

.alert-error {
    background: rgba(139, 30, 63, 0.1);
    border-color: var(--error-red);
    color: var(--error-red);
}

.alert-warning {
    background: rgba(184, 134, 11, 0.1);
    border-color: var(--warning-amber);
    color: var(--warning-amber);
}

.alert-info {
    background: rgba(44, 82, 130, 0.1);
    border-color: var(--info-blue);
    color: var(--info-blue);
}

/* ========== Footer ========== */
.footer-pbap {
    background: linear-gradient(135deg, var(--primary-navy-dark) 0%, var(--primary-navy) 100%);
    color: var(--neutral-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-pbap a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-pbap a:hover {
    color: var(--accent-gold);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

/* ========== Utilities ========== */
.text-gold {
    color: var(--accent-gold);
}

.text-navy {
    color: var(--primary-navy);
}

.bg-navy {
    background: var(--primary-navy);
}

.bg-gold {
    background: var(--accent-gold);
}

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

.divider-gold {
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
    margin: var(--spacing-md) auto;
}

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

.fade-in-up {
    animation: fadeInUp var(--transition-slow) ease-out;
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(197, 165, 114, 0.2) 50%, 
        transparent 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 3s infinite;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
    }
    
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    
    .form-container {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .btn-pbap-primary,
    .btn-pbap-secondary,
    .btn-pbap-outline {
        padding: 0.875rem 2rem;
        font-size: 0.875rem;
    }
    
    .card-pbap {
        padding: var(--spacing-md);
    }
}

/* ========== Print Styles ========== */
@media print {
    .navbar-pbap,
    .footer-pbap {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}