/* ==========================================================================
   MIZTON PRESENTATIONS - ESTILOS UNIFICADOS
   Para usar en: blockchain, kimen, smartContract, y futuras presentaciones
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. FLOATING MENU WEB3 (Común a todas las presentaciones Web3)
   -------------------------------------------------------------------------- */
.floating-menu {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
}

.menu-toggle {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.5), 0 0 15px rgba(0, 229, 255, 0.3);
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 229, 255, 0.7), 0 0 20px rgba(224, 64, 251, 0.5);
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.menu-dropdown {
    position: absolute;
    top: 60px;
    right: 0;
    background: rgba(10, 10, 26, 0.98);
    border: 2px solid rgba(0, 229, 255, 0.3);
    border-radius: 16px;
    padding: 10px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(10px);
}

.menu-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 10px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
    margin-bottom: 5px;
}

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

.menu-item:hover {
    background: rgba(0, 229, 255, 0.15);
    transform: translateX(-5px);
}

.menu-item.active {
    background: rgba(0, 229, 255, 0.25);
    border: 1px solid rgba(0, 229, 255, 0.5);
}

.menu-icon {
    font-size: 1.3rem;
}

.menu-text {
    font-size: 0.95rem;
    font-weight: 500;
}

/* Toggle Switch para mostrar/ocultar controles */
.menu-separator {
    height: 1px;
    background: rgba(0, 229, 255, 0.2);
    margin: 8px 0;
}

.toggle-item {
    cursor: pointer;
    user-select: none;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    margin-left: auto;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: 0.3s;
    border-radius: 24px;
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: rgba(0, 229, 255, 0.3);
    border-color: #00e5ff;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* Clase para ocultar controles de navegación */
.nav-controls.hidden {
    display: none !important;
}

/* --------------------------------------------------------------------------
   1. RESET Y BASE
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #050505 0%, #0a0a1a 50%, #050505 100%);
    color: #ffffff;
    overflow: hidden;
    min-height: 100vh;
}

.presentation-container {
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
    z-index: 5;
}

/* --------------------------------------------------------------------------
   2. BACKGROUND EFFECTS
   -------------------------------------------------------------------------- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, #050505 80%);
    pointer-events: none;
    z-index: 2;
}

/* --------------------------------------------------------------------------
   3. NAVIGATION CONTROLS
   -------------------------------------------------------------------------- */
.nav-controls {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.95);
    padding: 15px 30px;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.nav-btn {
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.5), 0 0 10px rgba(0, 229, 255, 0.3);
}

.nav-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 229, 255, 0.7), 0 0 15px rgba(224, 64, 251, 0.4);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: scale(1);
}

.slide-counter {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    min-width: 80px;
    text-align: center;
}

/* --------------------------------------------------------------------------
   4. PROGRESS BAR
   -------------------------------------------------------------------------- */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00e5ff 0%, #e040fb 100%);
    transition: width 0.5s ease;
    width: 10%;
}

/* --------------------------------------------------------------------------
   5. SLIDES STRUCTURE
   -------------------------------------------------------------------------- */
.slides-wrapper {
    width: 100%;
    height: 100vh;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    opacity: 0;
    transform: translateX(100%);
    transition: transform 1.0s cubic-bezier(0.25, 0.1, 0.25, 1),
                opacity 1.0s cubic-bezier(0.25, 0.1, 0.25, 1);
    pointer-events: none;
    overflow-y: auto;
    overflow-x: hidden;
    padding-top: 60px;
    padding-bottom: 100px;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.slide-content {
    max-width: 1100px;
    padding: 20px 40px 90px 40px;
    text-align: center;
    margin: 0 auto;
    width: 100%;
}

/* --------------------------------------------------------------------------
   6. TYPOGRAPHY
   -------------------------------------------------------------------------- */
.slide-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.5));
}

.slide-subtitle {
    font-size: 1.2rem;
    color: #b0bec5;
    margin-bottom: 25px;
    font-weight: 300;
    text-align: center;
}

.slide-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #cfd8dc;
    max-width: 800px;
    text-align: center;
    margin: 20px auto 0;
}

/* --------------------------------------------------------------------------
   7. ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
    opacity: 0;
}

.fade-in.delay-1 { animation-delay: 0.2s; }
.fade-in.delay-2 { animation-delay: 0.4s; }
.fade-in.delay-3 { animation-delay: 0.6s; }

@keyframes ctaPulse {
    0%, 100% {
        box-shadow: 0 6px 25px rgba(0, 229, 255, 0.5), 0 0 20px rgba(224, 64, 251, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 0 6px 35px rgba(0, 229, 255, 0.7), 0 0 30px rgba(224, 64, 251, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
}

/* --------------------------------------------------------------------------
   8. BUTTONS & CTAS
   -------------------------------------------------------------------------- */
.intro-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.intro-btn {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15) 0%, rgba(224, 64, 251, 0.15) 100%);
    border: 2px solid rgba(0, 229, 255, 0.4);
    color: #fff;
    padding: 18px 40px;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.2);
    min-width: 140px;
}

.intro-btn:hover {
    transform: translateY(-5px);
    border-color: #00e5ff;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.4), 0 0 20px rgba(0, 229, 255, 0.3);
}

.kimen-link-btn,
.marketplace-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    border: none;
    color: #fff;
    padding: 18px 50px;
    border-radius: 50px;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 25px rgba(0, 229, 255, 0.5), 0 0 20px rgba(224, 64, 251, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: ctaPulse 2.5s ease-in-out infinite;
}

.kimen-link-btn:hover,
.marketplace-link-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 35px rgba(0, 229, 255, 0.7), 0 0 30px rgba(224, 64, 251, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    animation: none;
}

/* --------------------------------------------------------------------------
   9. CARDS (Generic)
   -------------------------------------------------------------------------- */
.card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #00e5ff;
    box-shadow: 0 10px 25px rgba(0, 229, 255, 0.15);
}

/* --------------------------------------------------------------------------
   10. GRID LAYOUTS
   -------------------------------------------------------------------------- */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 25px;
}

.summary-card {
    background: linear-gradient(145deg, rgba(0, 229, 255, 0.06) 0%, rgba(224, 64, 251, 0.06) 100%);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 16px;
    padding: 26px 20px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00e5ff 0%, #e040fb 100%);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.summary-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(0, 229, 255, 0.6);
    box-shadow: 0 15px 35px rgba(0, 229, 255, 0.2), 0 0 30px rgba(224, 64, 251, 0.1);
}

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

.summary-icon {
    font-size: 2.4rem;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.4));
}

.summary-card h3 {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 10px;
    font-weight: 700;
}

.summary-card p {
    font-size: 0.92rem;
    color: #b0bec5;
    line-height: 1.55;
}

.summary-divider {
    margin: 30px auto 0;
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, #00e5ff 30%, #e040fb 70%, transparent 100%);
    opacity: 0.6;
}

.summary-cta {
    margin-top: 30px;
    text-align: center;
}

/* --------------------------------------------------------------------------
   11. INFO BOXES
   -------------------------------------------------------------------------- */
.info-box {
    background: rgba(0, 229, 255, 0.08);
    border: 2px solid #00e5ff;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.15), inset 0 0 10px rgba(0, 229, 255, 0.05);
    padding: 20px 25px;
    border-radius: 10px;
    margin: 20px auto;
    text-align: center;
    max-width: 700px;
    font-size: 1.1rem;
    color: #00e5ff;
}

.danger-box {
    background: rgba(255, 23, 68, 0.1);
    border: 2px solid #ff1744;
    box-shadow: 0 0 20px rgba(255, 23, 68, 0.2), inset 0 0 10px rgba(255, 23, 68, 0.05);
    padding: 20px 25px;
    border-radius: 10px;
    margin: 25px auto;
    text-align: center;
    max-width: 700px;
    font-size: 1.1rem;
    color: #ff1744;
}

.danger-box strong {
    color: #ff1744;
    text-shadow: 0 0 10px rgba(255, 23, 68, 0.6);
}

.explanation-box {
    background: rgba(0, 229, 255, 0.1);
    border-left: 4px solid #00e5ff;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.1);
    padding: 20px 25px;
    border-radius: 10px;
    margin: 25px auto;
    text-align: center;
    max-width: 700px;
}

.explanation-box.warning {
    background: rgba(255, 234, 0, 0.1);
    border-left-color: #ffea00;
}

.explanation-box p {
    margin: 8px 0;
    font-size: 1rem;
}

/* --------------------------------------------------------------------------
   12. SECURITY GRID
   -------------------------------------------------------------------------- */
.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.security-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 22px;
    text-align: left;
    transition: all 0.3s ease;
}

.security-card:hover {
    transform: translateY(-3px);
    border-color: #00e5ff;
    box-shadow: 0 10px 25px rgba(0, 229, 255, 0.15);
}

.security-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.security-card h3 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 10px;
}

.security-card p {
    font-size: 0.95rem;
    color: #b0bec5;
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   13. INPUTS & FORMS
   -------------------------------------------------------------------------- */
.hash-input,
.hash-output,
.block-input {
    width: 100%;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 229, 255, 0.3);
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
    outline: none;
}

.hash-input:focus,
.block-input:focus {
    border-color: #00e5ff;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

.hash-input {
    min-height: 120px;
    resize: vertical;
}

.hash-output {
    resize: none;
}

.hash-output,
.block-input[readonly] {
    background: rgba(0, 0, 0, 0.3);
    color: #00e676;
    text-shadow: 0 0 8px rgba(0, 230, 118, 0.5);
}

/* --------------------------------------------------------------------------
   14. PROCESS STEPS
   -------------------------------------------------------------------------- */
.process-step {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateX(10px);
    border-color: #00e5ff;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
}

.process-step.highlight {
    background: rgba(0, 229, 255, 0.2);
    border-color: #00e5ff;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.4), 0 0 25px rgba(0, 229, 255, 0.3);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    text-align: left;
}

.step-content h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #fff;
}

.step-content p {
    font-size: 0.95rem;
    color: #b0bec5;
}

.process-arrow {
    text-align: center;
    font-size: 2rem;
    color: #00e5ff;
    margin: 15px 0;
}

/* --------------------------------------------------------------------------
   15. LIST STYLES
   -------------------------------------------------------------------------- */
.feature-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 25px auto;
    text-align: left;
}

.feature-list li {
    font-size: 1.1rem;
    color: #cfd8dc;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

/* --------------------------------------------------------------------------
   16. EXAMPLE BOXES
   -------------------------------------------------------------------------- */
.example-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px auto;
    max-width: 1000px;
}

.example-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 229, 255, 0.3);
    border-radius: 16px;
    padding: 25px 20px;
    text-align: left;
    transition: all 0.3s ease;
}

.example-card:hover {
    transform: translateY(-5px);
    border-color: #00e5ff;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.2);
}

.example-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-align: center;
}

.example-card h3 {
    font-size: 1.1rem;
    color: #00e5ff;
    margin-bottom: 10px;
    text-align: center;
}

.example-card p {
    font-size: 0.95rem;
    color: #b0bec5;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   17. ANALOGY SECTION
   -------------------------------------------------------------------------- */
.analogy-container {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    margin: 30px auto;
    max-width: 900px;
}

.analogy-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

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

.analogy-icon {
    font-size: 4rem;
    margin-bottom: 10px;
}

.analogy-label {
    font-size: 1rem;
    color: #b0bec5;
}

.analogy-arrow {
    font-size: 2rem;
    color: #00e5ff;
}

/* --------------------------------------------------------------------------
   18. DIAGRAM FLOW
   -------------------------------------------------------------------------- */
.diagram-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 40px auto;
    flex-wrap: wrap;
    max-width: 1000px;
}

.diagram-box {
    background: rgba(0, 229, 255, 0.1);
    border: 2px solid #00e5ff;
    border-radius: 15px;
    padding: 25px 30px;
    text-align: center;
    min-width: 150px;
}

.diagram-box.highlight {
    background: rgba(224, 64, 251, 0.1);
    border-color: #e040fb;
    box-shadow: 0 0 20px rgba(224, 64, 251, 0.3);
}

.diagram-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.diagram-text {
    font-size: 1rem;
    color: #fff;
    font-weight: 600;
}

.diagram-arrow {
    font-size: 2rem;
    color: #00e5ff;
}

/* --------------------------------------------------------------------------
   19. HOW IT WORKS STEPS
   -------------------------------------------------------------------------- */
.how-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 30px auto;
}

.how-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px 25px;
    text-align: left;
}

.how-step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #00e5ff 0%, #e040fb 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.how-step-content h4 {
    font-size: 1.1rem;
    color: #00e5ff;
    margin-bottom: 5px;
}

.how-step-content p {
    font-size: 0.95rem;
    color: #b0bec5;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   20. IMAGES
   -------------------------------------------------------------------------- */
.slide-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    margin: 20px auto;
}

.intro-image {
    max-width: 500px;
    max-height: 350px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    margin: 30px auto;
    display: block;
}

/* --------------------------------------------------------------------------
   21. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .slide-title {
        font-size: 2.5rem;
    }

    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .example-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .diagram-flow {
        flex-direction: column;
    }

    .diagram-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .slide-title {
        font-size: 2rem;
    }

    .slide-subtitle {
        font-size: 1.2rem;
    }

    .nav-controls {
        bottom: 20px;
        padding: 10px 20px;
    }

    .nav-btn {
        width: 40px;
        height: 40px;
    }

    .intro-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

    .analogy-visual {
        flex-direction: column;
    }

    .analogy-arrow {
        transform: rotate(90deg);
    }

    .how-step {
        flex-direction: column;
        text-align: center;
    }

    .slide-content {
        padding: 20px 20px 90px 20px;
    }
}