/* ===== BUNDESKANZLERAMT ÖSTERREICH - STYLES.CSS ===== */

/* Font Import - Source Sans Pro für digitale Anwendungen */
@import url('https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@400;600;700&display=swap');

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

:root {
    --primary-red: #CC092F;
    --secondary-red: #8B0000;
    --white: #FFFFFF;
    --black: #000000;
    --light-gray: #F8F9FA;
    --dark-gray: #2C3E50;
    --text-gray: #6C757D;
    --gold: #FFD700;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

/* Base Styles */
body {
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(204, 9, 47, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
}

.bka-logo-svg {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-item a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 400;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-item a:hover {
    color: var(--primary-red);
    background: rgba(204, 9, 47, 0.05);
}

.nav-item a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-item a:hover::before {
    width: 70%;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--primary-red);
    border-radius: 2px;
    transition: 0.3s;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--gold));
    z-index: 1001;
    transition: width 0.1s ease;
}

/* Slides */
.slide {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    position: relative;
}

.slide-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Slide 1: Hero */
.slide-1 {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--secondary-red) 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-visual {
    margin-bottom: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.building-icon {
    color: rgba(255, 255, 255, 0.9);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

.austria-flag-modern {
    width: 100px;
    height: 70px;
    background: linear-gradient(to bottom, 
        var(--primary-red) 0%, var(--primary-red) 33%, 
        white 33%, white 66%, 
        var(--primary-red) 66%);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border: 2px solid rgba(255,255,255,0.2);
}

.slide-1 h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 400;
    font-style: italic;
}

.meta {
    font-size: 1.2rem;
    opacity: 0.8;
    font-weight: 700;
}

.hero-particles {
    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"><circle cx="20" cy="20" r="1" fill="white" opacity="0.1"/><circle cx="80" cy="40" r="1" fill="white" opacity="0.15"/><circle cx="40" cy="80" r="1" fill="white" opacity="0.1"/><circle cx="70" cy="70" r="1" fill="white" opacity="0.12"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Slide Titles */
.slide-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--primary-red);
    text-align: center;
    position: relative;
}

.slide-8 .slide-title {
    color: white;
}

.slide-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--primary-red));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 3rem;
    color: var(--dark-gray);
    font-weight: 700;
}

/* Slide 2: Definition */
.slide-2 {
    background: var(--light-gray);
}

.definition-container {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 4rem;
}

.definition-icon {
    flex-shrink: 0;
    color: var(--primary-red);
    filter: drop-shadow(0 5px 15px rgba(204, 9, 47, 0.2));
}

.definition-box {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(204, 9, 47, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.definition-box blockquote {
    font-size: 1.8rem;
    font-style: italic;
    color: var(--primary-red);
    line-height: 1.4;
    margin: 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(204, 9, 47, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(204, 9, 47, 0.05), transparent);
    transition: left 0.5s;
}

.benefit-item:hover::before {
    left: 100%;
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.benefit-icon {
    margin-bottom: 1.5rem;
    color: var(--primary-red);
}

.benefit-item h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    font-weight: 700;
}

.benefit-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Slide 3: Design Elements */
.slide-3 {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.design-elements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.element-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    border-radius: 25px;
    padding: 2.5rem;
    border: 1px solid rgba(204, 9, 47, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.element-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.element-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.element-icon {
    color: var(--primary-red);
    filter: drop-shadow(0 2px 8px rgba(204, 9, 47, 0.2));
}

.element-header h3 {
    font-size: 1.5rem;
    color: var(--dark-gray);
    font-weight: 700;
}

.color-palette-modern {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    justify-content: center;
}

.color-modern {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: white;
    background: var(--primary-red);
    box-shadow: 0 4px 12px rgba(204, 9, 47, 0.3);
    transition: all 0.3s ease;
}

.color-modern:hover {
    transform: scale(1.1) rotate(2deg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.color-modern:nth-child(2) {
    background: white;
    color: var(--dark-gray);
    border: 2px solid #ddd;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.color-modern:nth-child(3) {
    background: var(--black);
}

.font-demo-modern {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 2rem;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--primary-red);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(204, 9, 47, 0.2);
}

/* Slide 4: UX */
.slide-4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.slide-4 .slide-title {
    color: white;
}

.ux-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ux-features {
    display: grid;
    gap: 2rem;
}

.ux-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.ux-card:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.15);
}

.ux-icon {
    margin-bottom: 1.5rem;
    color: var(--gold);
}

.ux-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.phone-mockup-container {
    display: flex;
    justify-content: center;
}

.phone-mockup-modern {
    width: 200px;
    height: 400px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.screen-header {
    height: 30px;
    background: var(--primary-red);
    border-radius: 8px;
}

.screen-nav {
    height: 20px;
    background: rgba(204, 9, 47, 0.1);
    border-radius: 6px;
}

.screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.content-block {
    height: 25px;
    background: rgba(108, 117, 125, 0.1);
    border-radius: 6px;
}

.content-block.small {
    height: 15px;
    width: 70%;
}

/* Slide 5: Innovation */
.slide-5 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.slide-5 .slide-title,
.slide-5 .section-subtitle {
    color: white;
}

.innovation-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: center;
    margin: 4rem 0;
}

.comparison-item {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--glass-border);
}

.traditional {
    border-left: 4px solid #8B4513;
}

.modern {
    border-left: 4px solid var(--gold);
}

.comparison-icon {
    margin-bottom: 1.5rem;
    color: white;
}

.vs-divider {
    display: flex;
    justify-content: center;
    color: var(--primary-red);
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    align-items: center;
    margin: 0 auto;
}

.innovation-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.innovation-item {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.innovation-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
}

.innovation-icon {
    margin-bottom: 1.5rem;
    color: var(--gold);
}

/* Slide 6: Ministry Comparison */
.slide-6 {
    background: var(--light-gray);
}

.ministry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.ministry-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(204, 9, 47, 0.1);
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.ministry-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.ministry-icon {
    margin-bottom: 1.5rem;
    color: var(--primary-red);
}

.system-info {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(204, 9, 47, 0.1);
}

.system-info h3 {
    color: var(--primary-red);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.system-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.system-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(204, 9, 47, 0.05);
    border-radius: 10px;
}

.feature-check {
    width: 30px;
    height: 30px;
    background: #28a745;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Slide 7: Criticism */
.slide-7 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.slide-7 .slide-title {
    color: white;
}

.criticism-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: center;
}

.criticism-side {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.strengths {
    border-left: 4px solid #28a745;
}

.challenges {
    border-left: 4px solid #dc3545;
}

.side-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.side-icon {
    color: inherit;
}

.side-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.strengths .side-icon {
    color: #28a745;
}

.challenges .side-icon {
    color: #dc3545;
}

.point-list {
    list-style: none;
    padding: 0;
}

.point-list li {
    margin: 1.5rem 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.strengths .point-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
    font-size: 1.2rem;
}

.challenges .point-list li::before {
    content: "!";
    position: absolute;
    left: 0;
    color: #dc3545;
    font-weight: bold;
    font-size: 1.2rem;
}

.balance-center {
    display: flex;
    justify-content: center;
    color: var(--gold);
}

/* Slide 8: Conclusion */
.slide-8 {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--secondary-red) 100%);
    color: white;
    text-align: center;
}

.quote-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 4rem 0;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 3rem;
    border-radius: 25px;
    border: 1px solid var(--glass-border);
}

.quote-icon {
    color: var(--gold);
}

.quote-container blockquote {
    font-size: 2.5rem;
    font-style: italic;
    font-weight: 300;
    line-height: 1.3;
    margin: 0;
}

.key-learnings-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.key-learnings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.learning-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all 0.3s ease;
}

.learning-card:hover {
    transform: translateY(-8px) scale(1.03);
    background: rgba(255, 255, 255, 0.15);
}

.learning-icon {
    margin-bottom: 1.5rem;
    color: var(--gold);
}

.learning-card h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.sources-container {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    text-align: left;
}

.sources-container h4 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: 1.4rem;
}

.sources-icon {
    color: var(--gold);
}

.sources-list {
    display: grid;
    gap: 1rem;
}

.source-item {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Icon-specific animations */
.building-icon {
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* School Project Footer Styles */
.school-footer {
    background: linear-gradient(135deg, var(--dark-gray) 0%, #1a252f 100%);
    color: white;
    padding: 4rem 0 1rem;
    margin-top: 5rem;
    position: relative;
}

.school-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--gold), var(--primary-red));
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    color: var(--primary-red);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.project-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(204, 9, 47, 0.1);
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-red);
    margin-bottom: 2rem;
}

.project-badge i {
    color: var(--gold);
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.project-label {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--gold);
}

.project-year {
    font-size: 0.9rem;
    opacity: 0.8;
}

.students-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.students-info h4 {
    margin-bottom: 1rem;
    color: var(--gold);
    font-size: 1rem;
}

.student-names {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.2rem;
}

.student {
    background: var(--primary-red);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(204, 9, 47, 0.3);
}

.divider {
    font-weight: bold;
    color: var(--gold);
    font-size: 1.4rem;
}

.disclaimer-list {
    display: grid;
    gap: 1rem;
}

.disclaimer-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.4;
}

.disclaimer-icon {
    font-size: 1.2rem;
    width: 25px;
    text-align: center;
    color: var(--gold);
}

.project-details {
    display: grid;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.95rem;
}

.detail-item strong {
    color: var(--gold);
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-badge {
    background: var(--gold);
    color: var(--dark-gray);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.footer-bottom {
    margin-top: 3rem;
    text-align: center;
    padding-top: 2rem;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    margin-bottom: 1.5rem;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .ux-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .definition-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .slide-content {
        padding: 0 1rem;
    }

    .innovation-comparison,
    .criticism-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .vs-divider,
    .balance-center {
        order: 2;
        margin: 1rem 0;
    }

    .design-elements,
    .ministry-grid,
    .key-learnings-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        flex-direction: column;
        gap: 1rem;
    }

    .quote-container {
        flex-direction: column;
        text-align: center;
    }

    .quote-container blockquote {
        font-size: 2rem;
    }

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

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

    /* Footer responsive */
    .school-footer {
        padding: 3rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .project-badge {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .student-names {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .detail-item {
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .tech-stack {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .slide-content {
        padding: 0 0.5rem;
    }
    
    .slide-title {
        font-size: 2rem;
    }
    
    .definition-box {
        padding: 2rem;
    }
    
    .definition-box blockquote {
        font-size: 1.4rem;
    }
    
    .element-card,
    .benefit-item,
    .ux-card {
        padding: 2rem;
    }

    .footer-content {
        padding: 0 0.5rem;
    }
    
    .students-info,
    .project-badge {
        padding: 1rem;
    }
    
    .footer-bottom p {
        font-size: 0.8rem;
        padding: 0 1rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Additional modern effects */
.slide {
    position: relative;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(204, 9, 47, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-red);
}

/* Focus styles for accessibility */
.nav-item a:focus,
.mobile-menu:focus {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

/* Icon hover effects */
.benefit-icon i,
.element-icon i,
.ux-icon i,
.ministry-icon i,
.innovation-icon i,
.learning-icon i {
    transition: all 0.3s ease;
}

.benefit-item:hover .benefit-icon i,
.element-card:hover .element-icon i,
.ux-card:hover .ux-icon i,
.ministry-card:hover .ministry-icon i,
.innovation-item:hover .innovation-icon i,
.learning-card:hover .learning-icon i {
    transform: scale(1.1) rotate(5deg);
}

/* Print styles */
@media print {
    .navbar,
    .progress-bar {
        display: none;
    }
    
    .slide {
        page-break-inside: avoid;
        margin-bottom: 2rem;
    }
    
    body {
        background: white;
    }
}