/* ============================================
   SI SE - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary: #1E3A5F;
    --primary-light: #2d5a8a;
    --secondary: #E85D04;
    --secondary-light: #ff7b2e;
    --accent: #2D6A4F;
    --accent-light: #40916C;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #dee2e6;
    --off-white: #f8f9fa;
    --white: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--off-white);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    gap: 2px;
}

.logo-si {
    color: var(--primary);
}

.logo-se {
    color: var(--secondary);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-links .app-link {
    background: var(--secondary);
    color: var(--white) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-links .app-link:hover {
    background: var(--secondary-light);
    color: var(--white) !important;
}

.nav-cta {
    background: var(--secondary);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 1rem 2rem;
    background: var(--white);
    border-top: 1px solid var(--light-gray);
}

.mobile-menu a {
    padding: 0.75rem 0;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
}

.mobile-menu .nav-cta {
    margin-top: 1rem;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-links, .navbar > .nav-container > .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .mobile-menu.active {
        display: flex;
    }
}

/* ============================================
   Sections
   ============================================ */
.section {
    display: none;
    padding-top: 80px;
    min-height: 100vh;
}

.section.active {
    display: block;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 80px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--primary);
}

.highlight-orange {
    color: var(--secondary);
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--gray);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--secondary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.brain-graphic {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.brain-icon {
    font-size: 150px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.spanish-words {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-word {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y)));
    font-weight: 600;
    color: var(--secondary);
    opacity: 0.8;
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes float {
    0%, 100% { transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y))); }
    50% { transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y) - 10px)); }
}

/* Mobile Hero */
@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .brain-graphic {
        width: 200px;
        height: 200px;
    }
    
    .brain-icon {
        font-size: 100px;
    }
}

/* ============================================
   Problem Section
   ============================================ */
.problem-section {
    background: var(--white);
    padding: 5rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.problem-cards {
    max-width: 1200px;
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: var(--off-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.problem-card p {
    color: var(--gray);
}

/* ============================================
   Solution Section
   ============================================ */
.solution-section {
    padding: 5rem 2rem;
    text-align: center;
}

.solution-grid {
    max-width: 1200px;
    margin: 3rem auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.solution-number {
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 5rem;
    font-weight: 800;
    color: var(--secondary);
    opacity: 0.1;
}

.solution-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.solution-card p {
    color: var(--gray);
}

/* ============================================
   Testimonial Section
   ============================================ */
.testimonial-section {
    background: var(--gradient);
    padding: 5rem 2rem;
}

.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.testimonial-quote {
    font-size: 1.8rem;
    font-weight: 500;
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.testimonial-author {
    font-size: 1rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .testimonial-quote {
        font-size: 1.3rem;
    }
}

/* ============================================
   Early Access Section
   ============================================ */
.early-access-section {
    background: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}

.signup-form {
    max-width: 500px;
    margin: 2rem auto;
    display: flex;
    gap: 1rem;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.email-input:focus {
    outline: none;
    border-color: var(--primary);
}

.signup-note {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 1rem;
}

@media (max-width: 576px) {
    .signup-form {
        flex-direction: column;
    }
}

/* ============================================
   Story Section
   ============================================ */
.story-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.story-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary);
}

.story-content {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.story-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark);
}

.story-content strong {
    color: var(--primary);
}

.story-content em {
    color: var(--secondary);
    font-style: italic;
}

.story-tagline {
    font-size: 1.5rem !important;
    text-align: center;
    margin-top: 2rem !important;
}

.story-signature {
    text-align: right;
    margin-top: 2rem !important;
    color: var(--gray) !important;
}

.story-container > .btn {
    display: block;
    margin: 3rem auto 0;
    width: fit-content;
}

/* ============================================
   Lessons Section
   ============================================ */
.lessons-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.lessons-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.lessons-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 3rem;
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.lesson-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.lesson-card.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.lesson-card.locked:hover {
    transform: none;
}

.lesson-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
}

.lesson-status.scenario-badge {
    background: var(--primary);
}

.lesson-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.lesson-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.lesson-card p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.lesson-progress {
    height: 6px;
    background: var(--light-gray);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    transition: width 0.5s ease;
}

.lesson-cta {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* ============================================
   Lesson Content Section
   ============================================ */
.lesson-content-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.back-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.back-btn:hover {
    color: var(--secondary);
}

/* Lesson Display Styles */
.lesson-header {
    text-align: center;
    margin-bottom: 2rem;
}

.lesson-header h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.lesson-header p {
    color: var(--gray);
}

.lesson-phase {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.lesson-phase h2 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lesson-phase p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.concept-box {
    background: var(--off-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--secondary);
    margin: 1.5rem 0;
}

.concept-box strong {
    color: var(--primary);
}

.pattern-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.pattern-table th {
    background: var(--primary);
    color: var(--white);
    padding: 1rem;
    text-align: left;
}

.pattern-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--light-gray);
}

.pattern-table tr:hover {
    background: var(--off-white);
}

.spanish-highlight {
    color: var(--secondary);
    font-weight: 600;
}

/* Quiz Styles */
.quiz-container {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.quiz-question {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.quiz-prompt {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--off-white);
    border-radius: var(--radius);
    text-align: center;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-option {
    padding: 1rem 1.5rem;
    background: var(--off-white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    text-align: left;
}

.quiz-option:hover {
    border-color: var(--primary);
    background: var(--white);
}

.quiz-option.correct {
    border-color: var(--success);
    background: rgba(40, 167, 69, 0.1);
}

.quiz-option.incorrect {
    border-color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

.quiz-option.disabled {
    pointer-events: none;
}

.quiz-feedback {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius);
    font-weight: 500;
}

.quiz-feedback.correct {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.quiz-feedback.incorrect {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

/* New Explanation Styles */
.quiz-explanation {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--off-white);
    border-radius: var(--radius);
}

.explanation-intro {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark);
}

.option-explanations {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.option-explanation {
    padding: 1rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--light-gray);
    background: var(--white);
}

.option-explanation strong {
    display: block;
    margin-bottom: 0.25rem;
}

.option-explanation p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--gray);
}

.option-explanation.best-option {
    border-left-color: var(--accent);
    background: rgba(45, 106, 79, 0.05);
}

.option-explanation.best-option strong {
    color: var(--accent);
}

.option-explanation.best-option strong::before {
    content: "✓ BEST — ";
}

.option-explanation.good-option {
    border-left-color: var(--warning);
    background: rgba(255, 193, 7, 0.05);
}

.option-explanation.good-option strong::before {
    content: "✓ GOOD — ";
}

.option-explanation.wrong-option {
    border-left-color: #dc3545;
    background: rgba(220, 53, 69, 0.05);
}

.option-explanation.wrong-option strong::before {
    content: "✗ ";
}

.option-explanation.selected {
    box-shadow: 0 0 0 2px var(--primary);
}

.explanation-tip {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.1) 0%, rgba(45, 106, 79, 0.1) 100%);
    border-radius: var(--radius);
    font-size: 0.95rem;
    color: var(--primary);
    font-weight: 500;
}

.quiz-option.best {
    border-color: var(--accent);
    background: rgba(45, 106, 79, 0.1);
}

.quiz-option.selected-correct {
    border-color: var(--success);
    background: rgba(40, 167, 69, 0.15);
}

.quiz-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--light-gray);
}

.quiz-progress-text {
    color: var(--gray);
    font-size: 0.9rem;
}

.quiz-score {
    font-weight: 600;
    color: var(--primary);
}

.next-btn {
    margin-top: 1.5rem;
    width: 100%;
}

.lesson-complete {
    text-align: center;
    padding: 3rem;
}

.lesson-complete h2 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.lesson-complete .score-display {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1rem 0;
}

.lesson-complete p {
    color: var(--gray);
    margin-bottom: 2rem;
}

.complete-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Progress Section
   ============================================ */
.progress-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.progress-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary);
}

.progress-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.progress-stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
}

.progress-stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.progress-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.progress-stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

.progress-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2rem 0 1.5rem;
    color: var(--dark);
}

.mastery-grid {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.mastery-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mastery-item:last-child {
    margin-bottom: 0;
}

.mastery-label {
    width: 150px;
    font-weight: 500;
    color: var(--dark);
    font-size: 0.9rem;
}

.mastery-bar-container {
    flex: 1;
    height: 12px;
    background: var(--light-gray);
    border-radius: 6px;
    overflow: hidden;
}

.mastery-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 6px;
    transition: width 0.5s ease;
}

.mastery-percent {
    width: 50px;
    text-align: right;
    font-weight: 600;
    color: var(--primary);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.achievement {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.achievement-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.achievement-icon.locked {
    filter: grayscale(100%);
    opacity: 0.5;
}

.achievement span {
    display: block;
    font-size: 0.85rem;
    color: var(--gray);
}

.achievement.unlocked .achievement-icon {
    filter: none;
    opacity: 1;
}

.achievement.unlocked span {
    color: var(--dark);
    font-weight: 500;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-logo .logo-si {
    color: var(--white);
}

.footer-logo .logo-se {
    color: var(--secondary);
}

.footer-tagline {
    opacity: 0.9;
    margin-bottom: 1rem;
}

.footer-app-link {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.footer-app-link:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
}

.footer-copyright {
    opacity: 0.7;
    font-size: 0.85rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

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

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

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* ============================================
   Scenario Styles
   ============================================ */
.scenario-container {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.scenario-setting {
    background: var(--off-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 2rem;
    font-style: italic;
    color: var(--gray);
}

.dialogue-box {
    margin-bottom: 1.5rem;
}

.dialogue-speaker {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.dialogue-text {
    background: var(--off-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    font-size: 1.2rem;
    border-left: 4px solid var(--primary);
}

.your-turn {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px dashed var(--light-gray);
}

.your-turn h3 {
    color: var(--secondary);
    margin-bottom: 1rem;
}