/* ============================================
   KTROID - GLASSMORPHISM & 3D UI DESIGN
   ============================================ */

:root {
    /* Base Colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #131829;
    --bg-tertiary: #1a1f3a;

    /* Glassmorphism Colors */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.08);

    /* Accent Colors */
    --primary: #667eea;
    --primary-light: #7c94ff;
    --primary-dark: #5568d3;
    --accent: #f093fb;
    --accent-secondary: #4facfe;
    --success: #00f5a0;
    --warning: #ffd60a;
    --danger: #ff006e;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);

    /* 3D Transforms */
    --transform-3d: perspective(1000px);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2d1b69 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
    background:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(240, 147, 251, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(79, 172, 254, 0.15) 0%, transparent 50%);
    animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.5;
    }
}

/* Glassmorphism Container */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.glass-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-hover:hover {
    background: var(--glass-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 14, 39, 0.8);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.5));
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
    text-align: center;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero h1 span {
    display: block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    animation: fadeInUp 0.8s ease 0.4s backwards;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6), var(--shadow-glow);
}

.cta-button:active {
    transform: translateY(-1px) scale(1.02);
}

/* Terminal Mockup with 3D Effect */
.terminal-mockup {
    max-width: 900px;
    margin: 4rem auto 0;
    background: rgba(13, 17, 28, 0.9);
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transform: perspective(1000px) rotateX(5deg);
    transition: transform 0.5s ease;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.terminal-mockup:hover {
    transform: perspective(1000px) rotateX(0deg) translateY(-10px);
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.15),
        0 0 40px rgba(102, 126, 234, 0.3);
}

.terminal-header {
    background: rgba(30, 35, 50, 0.8);
    padding: 1rem 1.5rem;
    display: flex;
    gap: 0.6rem;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-header:hover .dot {
    transform: scale(1.2);
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.dot.red {
    background: linear-gradient(135deg, #ff5f56 0%, #ff3b30 100%);
    box-shadow: 0 0 10px rgba(255, 59, 48, 0.5);
}

.dot.yellow {
    background: linear-gradient(135deg, #ffbd2e 0%, #ffa500 100%);
    box-shadow: 0 0 10px rgba(255, 189, 46, 0.5);
}

.dot.green {
    background: linear-gradient(135deg, #28cd41 0%, #00d084 100%);
    box-shadow: 0 0 10px rgba(40, 205, 65, 0.5);
}

.terminal-body {
    padding: 2rem;
    font-family: 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #e2e8f0;
}

.terminal-body div {
    animation: terminalLine 0.3s ease;
}

@keyframes terminalLine {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.prompt {
    color: var(--accent-secondary);
    font-weight: 600;
    margin-right: 0.5rem;
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 18px;
    background: var(--success);
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

/* Feature Cards with Glass Effect */
.features {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.section-title {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(102, 126, 234, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.3));
}

.feature-card:hover .feature-icon {
    transform: scale(1.2) rotateY(360deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Command Box with Copy Button */
.command-box {
    background: rgba(13, 17, 28, 0.9);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    font-family: 'Fira Code', monospace;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.command-box:hover {
    border-color: rgba(102, 126, 234, 0.6);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.command-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.command-box:hover::before {
    left: 100%;
}

.command-syntax {
    color: #e2e8f0;
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 0;
    padding-right: 50px;
}

.command-syntax .keyword {
    color: var(--primary-light);
    font-weight: 600;
}

.command-syntax .string {
    color: var(--success);
}

.command-syntax .comment {
    color: var(--text-muted);
    font-style: italic;
}

.copy-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn:hover {
    background: var(--glass-hover);
    color: var(--text-primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

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

.copy-btn.copied {
    background: rgba(0, 245, 160, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.copy-btn svg {
    width: 16px;
    height: 16px;
}

/* Comparison Table */
.comparison-section {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 0 2rem;
}

.comparison-table {
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-top: 3rem;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(240, 147, 251, 0.2) 100%);
    padding: 1.5rem;
    text-align: left;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--glass-border);
}

.comparison-table td {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.comparison-table tr:hover td {
    background: rgba(102, 126, 234, 0.05);
    color: var(--text-primary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* Boxes */
.success-box,
.important-box,
.warning-box,
.error-box {
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 4px solid;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.success-box:hover,
.important-box:hover,
.warning-box:hover,
.error-box:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.success-box {
    background: rgba(0, 245, 160, 0.1);
    border-color: var(--success);
}

.important-box {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary);
}

.warning-box {
    background: rgba(255, 214, 10, 0.1);
    border-color: var(--warning);
}

.error-box {
    background: rgba(255, 0, 110, 0.1);
    border-color: var(--danger);
}

/* Documentation Layout */
.docs-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    min-height: calc(100vh - 200px);
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.sidebar h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin: 2rem 0 1rem;
    font-weight: 600;
}

.sidebar h3:first-child {
    margin-top: 0;
}

.sidebar a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    position: relative;
}

.sidebar a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 0 2px 2px 0;
    transition: height 0.3s ease;
}

.sidebar a:hover,
.sidebar a.active {
    background: rgba(102, 126, 234, 0.1);
    color: var(--text-primary);
    transform: translateX(5px);
}

.sidebar a:hover::before,
.sidebar a.active::before {
    height: 100%;
}

/* Page Container */
.page-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.6s ease;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.page-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.page-content h2 {
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.page-content h2:first-child {
    margin-top: 0;
}

.page-content h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--primary-light);
}

.page-content h4 {
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-primary);
}

.page-content p {
    margin: 1rem 0;
    color: var(--text-secondary);
    line-height: 1.8;
}

.page-content ul,
.page-content ol {
    margin: 1rem 0 1rem 2rem;
    color: var(--text-secondary);
}

.page-content li {
    margin: 0.75rem 0;
    line-height: 1.7;
}

.page-content a {
    color: var(--primary-light);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.page-content a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.page-content code {
    background: rgba(102, 126, 234, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    color: var(--primary-light);
}

.page-content pre {
    background: rgba(13, 17, 28, 0.9);
    padding: 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid rgba(102, 126, 234, 0.3);
    box-shadow: var(--shadow-md);
}

.page-content pre code {
    background: none;
    padding: 0;
    color: #e2e8f0;
}

/* Footer */
footer {
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 2rem 2rem;
    margin-top: 6rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section ul li a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .docs-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 1rem 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .page-content {
        padding: 2rem 1.5rem;
    }

    .terminal-mockup {
        transform: none;
    }

    .terminal-body {
        font-size: 0.85rem;
        padding: 1.5rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(13, 17, 28, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-light), var(--accent));
}

/* Selection */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: var(--text-primary);
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline-offset: 4px;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}