/* ============================================
   GLOBAL STYLES - MODERN UI/UX
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Modern Color Palette */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --accent-color: #8b5cf6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #0cebeb 0%, #20e3b2 100%);
    --gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

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

body {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    color: #1e293b;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* ============================================
   MODERN NAVIGATION
   ============================================ */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    color: var(--secondary-color);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* ============================================
   MODERN HERO SECTION
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

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

.min-vh-50 {
    min-height: 50vh;
}

.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* ============================================
   MODERN SERVICE CARDS
   ============================================ */
.service-card {
    border: none;
    border-radius: var(--radius-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.service-card .card-body {
    padding: 2rem;
}

.service-card i {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.service-card:hover i {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-weight: 700;
    margin: 1.5rem 0 1rem;
    color: var(--dark-color);
}

.service-card p {
    color: var(--secondary-color);
    line-height: 1.7;
}

.service-card .btn {
    margin-top: 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

.service-card i {
    transition: all 0.3s ease;
}

.service-card:hover i {
    color: #0053b3 !important;
}

/* ============================================
   MODERN BUTTONS
   ============================================ */
.btn {
    border-radius: var(--radius-lg);
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: #ffffff;
    background: transparent;
}

.btn-outline-light:hover {
    background-color: #fff;
    color: var(--primary-color);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn i {
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(4px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    color: #0d6efd !important;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #0d6efd !important;
}

.nav-link.active {
    color: #0d6efd !important;
    border-bottom: 3px solid #0d6efd;
}

/* ============================================
   MODERN FORMS
   ============================================ */
.form-control {
    border-radius: var(--radius-md);
    border: 2px solid #e2e8f0;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8fafc;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background-color: #ffffff;
    outline: none;
}

.form-control:hover {
    border-color: var(--primary-light);
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.625rem;
    color: var(--dark-color);
    font-size: 0.95rem;
}

.form-select {
    border-radius: var(--radius-md);
    border: 2px solid #e2e8f0;
    padding: 0.875rem 1.25rem;
    background-color: #f8fafc;
    transition: all 0.3s ease;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background-color: #ffffff;
}

.input-group-text {
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
    font-weight: 600;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* ============================================
   MODERN SIMULATOR SECTIONS
   ============================================ */
.simulator-container {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid #e2e8f0;
}

.simulator-container h3 {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.simulator-container h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ============================================
   MODERN RESULT BOX
   ============================================ */
.result-box {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.result-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.result-box h5 {
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.result-amount {
    font-size: 2.5rem;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    letter-spacing: -1px;
}

.result-box .row > div {
    padding: 1rem;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    margin: 0.5rem;
}

/* ============================================
   MODERN TABLES
   ============================================ */
.table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table thead {
    background: var(--gradient-primary);
    color: white;
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    padding: 1.25rem 1rem;
    border: none;
}

.table tbody tr {
    transition: all 0.3s ease;
    border-bottom: 1px solid #e2e8f0;
}

.table tbody tr:hover {
    background-color: #f8fafc;
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

/* ============================================
   MODERN CARDS & INFO BOXES
   ============================================ */
.card {
    border: none;
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.card-header {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    border: none;
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.info-box {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-left: 4px solid var(--primary-color);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.info-box::before {
    content: '\f05a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    opacity: 0.1;
    color: var(--primary-color);
}

.warning-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid var(--warning-color);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.success-box {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-left: 4px solid var(--success-color);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

/* ============================================
   MODERN FOOTER
   ============================================ */
footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

footer h5 {
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

footer h5::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

footer a {
    color: #e2e8f0;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
}

footer a:hover {
    color: #ffffff !important;
    transform: translateX(5px);
}

footer a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s ease;
}

footer a:hover::before {
    opacity: 1;
    left: -15px;
}

footer .social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

footer .social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px) rotate(5deg);
}

footer .social-links a::before {
    display: none;
}

footer p {
    color: #cbd5e1;
}

footer .text-muted {
    color: #cbd5e1 !important;
}

/* Footer Credits */
.footer-credits {
    background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-credits p {
    margin: 0;
    color: #94a3b8;
    font-size: 0.95rem;
}

.footer-credits a {
    color: #f8fafc;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-credits a::before {
    display: none;
}

.footer-credits a:hover {
    color: #ffffff;
    transform: none;
}

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

.footer-credits a:hover::after {
    width: 100%;
}

.footer-credits .heart {
    display: inline-block;
    color: #ef4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1);
    }
}

/* ============================================
   MODERN SECTIONS
   ============================================ */
section {
    padding: 5rem 0;
}

section h2 {
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

section h3 {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

section .lead {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

section .text-muted {
    color: #64748b !important;
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ============================================
   MODERN RESPONSIVENESS
   ============================================ */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 3rem 0;
    }

    .display-4 {
        font-size: 2rem;
    }

    section {
        padding: 3rem 0;
    }

    section h2 {
        font-size: 1.875rem;
    }

    .result-amount {
        font-size: 1.75rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .service-card {
        margin-bottom: 1.5rem;
    }

    .simulator-container {
        padding: 1.5rem;
    }

    footer h5 {
        margin-top: 2rem;
    }
}

@media (max-width: 480px) {
    .display-4 {
        font-size: 1.75rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .result-amount {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
    }
}

/* ============================================
   MODERN UTILITY CLASSES
   ============================================ */
.text-primary {
    color: var(--primary-color) !important;
}

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

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

.shadow-lg {
    box-shadow: var(--shadow-xl) !important;
}

.rounded-pill {
    border-radius: 50px !important;
}

/* Badge Styles */
.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
}

.badge-primary {
    background: var(--gradient-primary);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   GLASSMORPHISM EFFECT
   ============================================ */
.glass-card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}