/* Additional styles for enhanced presentation */

/* Scope these styles to book content only, not RevealJS slides */

body:not(.reveal) {

/* Hero section styling */

.hero-section {

background: linear-gradient(135deg, #2E86AB 0%, #A23B72 100%);

color: white;

padding: 4rem 0;

text-align: center;

margin-bottom: 3rem;

}

.hero-section h1 {

font-size: 3rem;

font-weight: 700;

margin-bottom: 1rem;

}

.hero-section p {

font-size: 1.2rem;

opacity: 0.9;

max-width: 600px;

margin: 0 auto;

}

/* Format selector cards */

.format-cards {

display: grid;

grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));

gap: 2rem;

margin: 3rem 0;

}

.format-card {

background: white;

border-radius: 12px;

padding: 2rem;

text-align: center;

box-shadow: 0 4px 20px rgba(0,0,0,0.1);

transition: transform 0.3s ease;

border: 1px solid #e9ecef;

}

.format-card:hover {

transform: translateY(-5px);

box-shadow: 0 8px 30px rgba(0,0,0,0.15);

}

.format-card h3 {

color: #2E86AB;

margin-bottom: 1rem;

}

.format-card .icon {

font-size: 3rem;

margin-bottom: 1rem;

display: block;

}

/* Progress indicators */

.progress-bar {

width: 100%;

height: 8px;

background: #e9ecef;

border-radius: 4px;

overflow: hidden;

margin: 1rem 0;

}

.progress-fill {

height: 100%;

background: linear-gradient(90deg, #2E86AB, #A23B72);

transition: width 0.3s ease;

}

/* Exercise boxes */

.exercise-box {

background: #f8f9fa;

border: 2px solid #F18F01;

border-radius: 8px;

padding: 1.5rem;

margin: 2rem 0;

}

.exercise-box h4 {

color: #F18F01;

margin-bottom: 1rem;

display: flex;

align-items: center;

}

.exercise-box h4::before {

content: "🏋️";

margin-right: 0.5rem;

}

/* Quiz styling */

.quiz-question {

background: #fff;

border: 2px solid #A23B72;

border-radius: 8px;

padding: 1.5rem;

margin: 1rem 0;

}

.quiz-question h5 {

color: #A23B72;

margin-bottom: 1rem;

}

/* Code output styling */

.code-output {

background: #2d3748;

color: #e2e8f0;

padding: 1rem;

border-radius: 6px;

font-family: 'JetBrains Mono', 'Fira Code', monospace;

margin-top: 0.5rem;

}

/* Navigation improvements */

.chapter-nav {

display: flex;

justify-content: space-between;

margin: 3rem 0;

gap: 1rem;

}

.nav-button {

flex: 1;

padding: 1rem;

background: linear-gradient(135deg, #2E86AB, #A23B72);

color: white;

text-decoration: none;

border-radius: 8px;

text-align: center;

transition: all 0.3s ease;

}

.nav-button:hover {

transform: translateY(-2px);

box-shadow: 0 4px 15px rgba(0,0,0,0.2);

color: white;

text-decoration: none;

}

.nav-button.next {

text-align: right;

}

.nav-button.prev {

text-align: left;

}

/* Responsive design */

@media (max-width: 768px) {

.hero-section h1 {

font-size: 2rem;

}

.format-cards {

grid-template-columns: 1fr;

}

.chapter-nav {

flex-direction: column;

}

.nav-button {

text-align: center !important;

}

}

/* Accessibility improvements */

.sr-only {

position: absolute;

width: 1px;

height: 1px;

padding: 0;

margin: -1px;

overflow: hidden;

clip: rect(0, 0, 0, 0);

white-space: nowrap;

border: 0;

}

/* Focus indicators */

a:focus,

button:focus {

outline: 2px solid #F18F01;

outline-offset: 2px;

}

/* Landing page specific styles */

.grid {

display: grid;

gap: 1.5rem;

margin: 1.5rem 0;

}

.g-col-12 { grid-column: span 12; }

.g-col-md-6 { grid-column: span 6; }

.g-col-lg-4 { grid-column: span 4; }

@media (max-width: 768px) {

.g-col-md-6 { grid-column: span 12; }

.g-col-lg-4 { grid-column: span 12; }

}

@media (min-width: 769px) and (max-width: 1024px) {

.g-col-lg-4 { grid-column: span 6; }

}

/* Button styling for landing page */

.btn {

display: inline-block;

padding: 0.75rem 1.5rem;

margin: 0.25rem;

text-decoration: none;

border-radius: 0.375rem;

font-weight: 600;

text-align: center;

transition: all 0.2s ease-in-out;

border: 1px solid transparent;

}

.btn-primary {

background-color: #2E86AB;

color: white;

}

.btn-primary:hover {

background-color: #1f5f84;

color: white;

text-decoration: none;

}

.btn-success {

background-color: #198754;

color: white;

}

.btn-success:hover {

background-color: #157347;

color: white;

text-decoration: none;

}

.btn-info {

background-color: #F18F01;

color: white;

}

.btn-info:hover {

background-color: #cc7700;

color: white;

text-decoration: none;

}

.btn-outline-primary {

color: #2E86AB;

border-color: #2E86AB;

background-color: transparent;

}

.btn-outline-primary:hover {

background-color: #2E86AB;

color: white;

text-decoration: none;

}

.btn-lg {

padding: 1rem 2rem;

font-size: 1.125rem;

}

.me-3 {

margin-right: 1rem;

}

/* Text utilities for landing page */

.text-center {

text-align: center;

}

.lead {

font-size: 1.25rem;

font-weight: 300;

margin-bottom: 1.5rem;

}

/* Feature grid styling for landing page */

.grid h4 {

color: #2E86AB;

margin-bottom: 1rem;

}

.grid ul {

list-style: none;

padding: 0;

}

.grid ul li {

padding: 0.5rem 0;

border-bottom: 1px solid #eee;

}

.grid ul li:last-child {

border-bottom: none;

}

.grid ul li a {

text-decoration: none;

color: #2E86AB;

font-weight: 500;

}

.grid ul li a:hover {

text-decoration: underline;

color: #A23B72;

}

/* Landing page responsive improvements */

@media (max-width: 768px) {

.btn-lg {

display: block;

width: 100%;

margin: 0.5rem 0;

}

.me-3 {

margin-right: 0;

}

}

/* Dark mode support for landing page */

@media (prefers-color-scheme: dark) {

.grid h4 {

color: #a8c8ec;

}

.grid ul li {

border-bottom-color: #495057;

}

.grid ul li a {

color: #a8c8ec;

}

.grid ul li a:hover {

color: #F18F01;

}

}

} /* End of body:not(.reveal) scope */