/* ===== CUSTOM CSS FOR CERTIDIG WEBSITE ===== */

/* ===== CSS VARIABLES ===== */
:root {
    --primary-color: #1E3A8A;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --dark-gray: #374151;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --info-color: #3B82F6;
    --danger-color: #EF4444;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ===== GLOBAL STYLES ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    scroll-behavior: smooth;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 800;
    letter-spacing: -0.025em;
}

/* ===== CUSTOM BUTTON STYLES ===== */
.btn {
	border-radius: 69px;
    font-weight: 400;
    padding: 0.75rem 1.5rem;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563EB 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1E40AF 0%, var(--primary-color) 100%);
    color: white;
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, var(--secondary-color) 100%);
    color: white;
}

/* Warning Button */
.btn-warning {
    background: linear-gradient(135deg, var(--accent-color) 0%, #D97706 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #D97706 0%, var(--accent-color) 100%);
    color: white;
}

/* ===== HEADER STYLES ===== */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    transition: all var(--transition-normal);
}

.navbar-brand img {
    transition: all var(--transition-normal);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray) !important;
    transition: all var(--transition-normal);
    position: relative;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ===== HERO SECTION STYLES ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563EB 50%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::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="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

/* ===== CARD STYLES ===== */
.card {
    border: none;
    border-radius: 12px;
    transition: all var(--transition-normal);
    overflow: hidden;
}

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

.card-body {
    padding: 2rem;
}

.card-header {
    border: none;
    font-weight: 600;
    padding: 1.5rem 2rem;
}

/* ===== ICON STYLES ===== */
.rounded-circle {
    transition: all var(--transition-normal);
}

.rounded-circle:hover {
    transform: scale(1.1) rotate(5deg);
}

/* ===== STEP NAVIGATION STYLES ===== */
.step-navigation {
    flex-wrap: wrap;
    justify-content: center;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    transition: all var(--transition-normal);
}

.step-number-large {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.step-label {
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 0.875rem;
}

.step-arrow {
    margin: 0 1rem;
    font-size: 1.5rem;
}

/* ===== FORM STYLES ===== */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #E5E7EB;
    padding: 0.75rem 1rem;
    transition: all var(--transition-normal);
    font-size: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

/* ===== TABLE STYLES ===== */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table td {
    border: none;
    padding: 1rem;
    vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* ===== ACCORDION STYLES ===== */
.accordion-item {
    border: none;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-button {
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    background-color: var(--white);
    border: none;
    transition: all var(--transition-normal);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-body {
    padding: 1.5rem;
    background-color: var(--light-gray);
}

/* ===== BADGE STYLES ===== */
.badge {
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

/* ===== ALERT STYLES ===== */
.alert {
    border: none;
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    border-left: 4px solid;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-left-color: var(--info-color);
    color: #1E40AF;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning-color);
    color: #92400E;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success-color);
    color: #065F46;
}

/* ===== FOOTER STYLES ===== *
footer {
    background: linear-gradient(135deg, #1F2937 0%, var(--dark-gray) 100%);
}

footer a {
    transition: all var(--transition-normal);
}

footer a:hover {
    color: var(--accent-color) !important;
    transform: translateX(3px);
} */

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .step-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .step-number-large {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .d-flex.gap-3 {
        flex-direction: column;
        gap: 0.5rem !important;
    }
    
    .card-body {
        padding: 1rem;
    }
}

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

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* ===== UTILITY CLASSES ===== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563EB 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--accent-color) 0%, #D97706 100%);
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

.border-radius-lg {
    border-radius: 12px;
}

.border-radius-xl {
    border-radius: 16px;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: all var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: all var(--transition-normal);
}

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

/* ===== LOADING STATES ===== */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== SCROLL BEHAVIOR ===== */
html {
    scroll-behavior: smooth;
}

/* ===== FOCUS STYLES ===== */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.3);
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .btn,
    footer {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .card {
        border: 1px solid #ddd;
        box-shadow: none;
    }
}