/* ========================================
   Apprendre à Programmer en Dart - Page Styles
   Page-specific styles only - common styles are in common.css
   REQUIRES: common.css to be loaded first
   ======================================== */

/* ========================================
   Base Styles and Typography
   ======================================== */
.pg-dart-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--pg-dark-gray);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.pg-dart-container {
    max-width: var(--pg-container-width);
    margin: 0 auto;
    padding: 0 var(--pg-spacing-md);
}

.pg-dart-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--pg-black);
    text-align: center;
    margin-bottom: var(--pg-spacing-lg);
    line-height: 1.2;
}

/* ========================================
   Hero Section
   ======================================== */
.pg-dart-hero {
    background: linear-gradient(135deg, var(--pg-purple) 0%, var(--pg-black) 100%);
    color: var(--pg-white);
    padding: var(--pg-spacing-xl) 0;
}

.pg-dart-hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.pg-dart-hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--pg-spacing-lg);
    line-height: 1.1;
    text-align: center;
}

.pg-dart-hero-intro {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--pg-border-radius);
    padding: var(--pg-spacing-md);
    margin-bottom: var(--pg-spacing-lg);
    backdrop-filter: blur(10px);
}

.pg-dart-hero-intro p {
    margin-bottom: var(--pg-spacing-sm);
    font-size: 1.1rem;
    line-height: 1.7;
}

.pg-dart-hero-intro p:last-of-type {
    margin-bottom: 0;
}

.pg-dart-hero-list {
    list-style: none;
    padding-left: 0;
    margin: var(--pg-spacing-md) 0;
}

.pg-dart-hero-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: var(--pg-spacing-sm);
    font-size: 1.1rem;
}

.pg-dart-hero-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--pg-white);
    font-weight: bold;
    font-size: 1.3rem;
}

.pg-dart-hero-content > .pg-dart-cta-button {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

.pg-dart-cta-button {
    display: inline-block;
    background-color: var(--pg-purple);
    color: var(--pg-white);
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--pg-border-radius);
    transition: var(--pg-transition);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.pg-dart-cta-button:hover {
    background-color: var(--pg-white);
    color: var(--pg-purple);
    border-color: var(--pg-purple);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(156, 56, 108, 0.3);
}

/* ========================================
   Course Content Section
   ======================================== */
.pg-dart-content {
    padding: var(--pg-spacing-xl) 0;
    background-color: var(--pg-white);
}

.pg-dart-intro-text {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--pg-spacing-md);
    color: var(--pg-black);
}

.pg-dart-chapters-list {
    max-width: 700px;
    margin: 0 auto var(--pg-spacing-lg) auto;
    list-style: none;
    padding-left: 0;
}

.pg-dart-chapters-list li {
    padding: var(--pg-spacing-sm) var(--pg-spacing-md);
    margin-bottom: var(--pg-spacing-xs);
    background-color: var(--pg-light-gray);
    border-left: 4px solid var(--pg-purple);
    border-radius: 4px;
    font-size: 1.1rem;
    transition: var(--pg-transition);
}

.pg-dart-chapters-list li:hover {
    background-color: #e8e8e8;
    transform: translateX(5px);
}

.pg-dart-concepts-title {
    text-align: center;
    font-size: 1.25rem;
    margin: var(--pg-spacing-lg) 0 var(--pg-spacing-md) 0;
    color: var(--pg-black);
}

.pg-dart-concepts-list {
    max-width: 700px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--pg-spacing-sm);
    list-style: none;
    padding-left: 0;
}

.pg-dart-concepts-list li {
    padding: var(--pg-spacing-xs) var(--pg-spacing-sm);
    background-color: var(--pg-light-gray);
    border-radius: 20px;
    text-align: center;
    font-size: 0.95rem;
    transition: var(--pg-transition);
}

.pg-dart-concepts-list li:hover {
    background-color: var(--pg-purple);
    color: var(--pg-white);
    transform: scale(1.05);
}

/* ========================================
   Features Grid Section
   ======================================== */
.pg-dart-features {
    padding: var(--pg-spacing-xl) 0;
    background-color: var(--pg-light-gray);
}

.pg-dart-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--pg-spacing-lg);
    margin-top: var(--pg-spacing-lg);
}

.pg-dart-feature-card {
    background-color: var(--pg-white);
    border: 1px solid #e0e0e0;
    border-radius: var(--pg-border-radius);
    padding: var(--pg-spacing-md);
    text-align: center;
    transition: var(--pg-transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.pg-dart-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(156, 56, 108, 0.15);
    border-color: var(--pg-purple);
}

.pg-dart-feature-image {
    width: 100%;
    max-width: 120px;
    height: auto;
    margin: 0 auto var(--pg-spacing-md) auto;
    display: block;
}

.pg-dart-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pg-black);
    margin-bottom: var(--pg-spacing-sm);
}

.pg-dart-feature-description {
    font-size: 1rem;
    color: var(--pg-dark-gray);
    line-height: 1.6;
}

/* ========================================
   Instructor Profile Section
   ======================================== */
.pg-dart-instructor {
    padding: var(--pg-spacing-xl) 0;
    background-color: var(--pg-white);
}

.pg-dart-instructor-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--pg-spacing-lg);
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.pg-dart-instructor-photo-wrapper {
    text-align: center;
}

.pg-dart-instructor-photo {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    margin: 0 auto;
    display: block;
}

.pg-dart-instructor-info {
    padding: var(--pg-spacing-md) 0;
}

.pg-dart-instructor-bio {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--pg-spacing-md);
    color: var(--pg-dark-gray);
}

.pg-dart-instructor-bio a {
    color: var(--pg-purple);
    text-decoration: none;
    font-weight: 600;
    transition: var(--pg-transition);
}

.pg-dart-instructor-bio a:hover {
    text-decoration: underline;
    color: var(--pg-black);
}

.pg-dart-instructor-quote {
    background-color: var(--pg-light-gray);
    border-left: 4px solid var(--pg-purple);
    padding: var(--pg-spacing-md);
    margin: var(--pg-spacing-lg) 0;
    font-style: italic;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--pg-dark-gray);
}

.pg-dart-instructor-quote cite {
    display: block;
    margin-top: var(--pg-spacing-sm);
    font-style: normal;
    font-weight: 600;
    color: var(--pg-purple);
}

/* ========================================
   Bundle Promotion Section
   ======================================== */
.pg-dart-bundle {
    padding: var(--pg-spacing-xl) 0;
    background-color: var(--pg-light-gray);
}

.pg-dart-bundle-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pg-spacing-lg);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.pg-dart-bundle-image-wrapper {
    text-align: center;
}

.pg-dart-bundle-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: var(--pg-border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.pg-dart-bundle-info {
    padding: var(--pg-spacing-md);
}

.pg-dart-bundle-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pg-black);
    margin-bottom: var(--pg-spacing-md);
}

.pg-dart-bundle-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--pg-spacing-lg);
    color: var(--pg-dark-gray);
}

.pg-dart-bundle-description a {
    color: var(--pg-purple);
    text-decoration: none;
    font-weight: 600;
    transition: var(--pg-transition);
}

.pg-dart-bundle-description a:hover {
    text-decoration: underline;
    color: var(--pg-black);
}

/* ========================================
   Made in France Section
   ======================================== */
.pg-dart-made-in-france {
    padding: var(--pg-spacing-lg) 0;
    background-color: var(--pg-white);
    border-top: 1px solid #e0e0e0;
}

.pg-dart-made-in-france-content {
    text-align: center;
}

.pg-dart-made-in-france-text {
    font-size: 1.1rem;
    color: var(--pg-dark-gray);
    margin-bottom: var(--pg-spacing-sm);
}

.pg-dart-made-in-france-subtext {
    font-size: 0.95rem;
    color: var(--pg-dark-gray);
    opacity: 0.8;
}

/* ========================================
   Footer
   ======================================== */
.pg-dart-footer {
    padding: var(--pg-spacing-md) 0;
    background-color: var(--pg-black);
    color: var(--pg-white);
    text-align: center;
}

.pg-dart-footer p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet and below */
@media (max-width: 768px) {
    .pg-dart-hero-title {
        font-size: 2rem;
    }

    .pg-dart-section-title {
        font-size: 2rem;
    }

    .pg-dart-instructor-content,
    .pg-dart-bundle-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .pg-dart-instructor-info {
        padding: var(--pg-spacing-sm) 0;
    }

    .pg-dart-bundle-info {
        padding: var(--pg-spacing-sm);
    }

    .pg-dart-features-grid {
        gap: var(--pg-spacing-md);
    }

    .pg-dart-concepts-list {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* Mobile */
@media (max-width: 480px) {
    .pg-dart-hero {
        padding: var(--pg-spacing-lg) 0;
    }

    .pg-dart-hero-title {
        font-size: 1.75rem;
    }

    .pg-dart-hero-intro {
        padding: var(--pg-spacing-sm);
    }

    .pg-dart-hero-intro p {
        font-size: 1rem;
    }

    .pg-dart-section-title {
        font-size: 1.75rem;
    }

    .pg-dart-container {
        padding: 0 var(--pg-spacing-sm);
    }

    .pg-dart-content,
    .pg-dart-features,
    .pg-dart-instructor,
    .pg-dart-bundle {
        padding: var(--pg-spacing-lg) 0;
    }

    .pg-dart-cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
        width: 100%;
        display: block;
    }

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

    .pg-dart-concepts-list {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Accessibility and Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.pg-dart-cta-button:focus,
.pg-dart-bundle-description a:focus,
.pg-dart-instructor-bio a:focus {
    outline: 2px solid var(--pg-purple);
    outline-offset: 2px;
}