/* General Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    height: 100vh;
}

.presentation-container {
    width: 100%;
    height: calc(100vh - 80px);
    position: relative;
    overflow: hidden;
}

/* Slide Styles */
.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.6s ease;
    padding: 40px;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
}

.slide.prev {
    transform: translateX(-100%);
}

.slide-content {
    background: white;
    border-radius: 30px;
    padding: 40px;
    max-width: 1200px;
    width: 100%;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.6s ease;
}

/* Custom scrollbar for slide content */
.slide-content::-webkit-scrollbar {
    width: 8px;
}

.slide-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.slide-content::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 10px;
}

.slide-content::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

@keyframes slideIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Title */
#slide1 .slide-content {
    max-width: 900px;
}

.title-main {
    font-size: 2.8em;
    color: #667eea;
    text-align: center;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: 600;
    line-height: 1.3;
}

.subtitle {
    font-size: 1.6em;
    color: #764ba2;
    text-align: center;
    margin-top: 20px;
    font-weight: 500;
}

.invisible-waves {
    position: relative;
    height: 150px;
    margin: 40px 0;
}

.wave {
    position: absolute;
    width: 100%;
    height: 50px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
    border-radius: 50%;
    animation: waveAnimation 3s infinite;
}

.wave:nth-child(1) {
    animation-delay: 0s;
}

.wave:nth-child(2) {
    animation-delay: 1s;
}

.wave:nth-child(3) {
    animation-delay: 2s;
}

@keyframes waveAnimation {
    0% {
        transform: scaleX(0.5) translateY(50px);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: scaleX(2) translateY(0);
        opacity: 0;
    }
}

/* What Are Radio Waves */
h2 {
    font-size: 2.3em;
    color: #667eea;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

.explanation-box {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
}

.explanation-box p {
    font-size: 1.3em;
    margin: 20px 0;
    line-height: 1.7;
}

.ripple-demo {
    position: relative;
    height: 200px;
    margin: 30px 0;
}

.stone {
    position: absolute;
    width: 30px;
    height: 30px;
    background: #764ba2;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.ripple {
    position: absolute;
    border: 3px solid #667eea;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation: rippleAnimation 3s infinite;
}

.ripple.r1 {
    animation-delay: 0s;
}

.ripple.r2 {
    animation-delay: 1s;
}

.ripple.r3 {
    animation-delay: 2s;
}

@keyframes rippleAnimation {
    0% {
        width: 30px;
        height: 30px;
        opacity: 1;
    }
    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

/* Spectrum */
.spectrum-container {
    margin: 40px 0;
}

.spectrum-bar {
    display: flex;
    height: 120px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
}

.spectrum-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.spectrum-section:hover {
    transform: translateY(-10px);
    z-index: 10;
}

.spectrum-section span {
    font-size: 1.2em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.spectrum-section.radio {
    background: linear-gradient(135deg, #ee0979 0%, #ff6a00 100%);
}

.spectrum-section.microwave {
    background: linear-gradient(135deg, #ff6a00 0%, #ee0979 100%);
}

.spectrum-section.infrared {
    background: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);
}

.spectrum-section.visible {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.spectrum-section.ultraviolet {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
}

.spectrum-section.xray {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.spectrum-section.gamma {
    background: linear-gradient(135deg, #360033 0%, #0b8793 100%);
}

.frequency-labels {
    display: flex;
    justify-content: space-between;
    font-size: 1.1em;
    color: #666;
    font-weight: bold;
}

/* Frequency Cards */
.frequency-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.frequency-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.frequency-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.frequency-card .icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.frequency-card h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    font-weight: 600;
}

.frequency-card .freq {
    font-size: 1.2em;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.3);
    padding: 8px;
    border-radius: 10px;
    margin: 10px 0;
}

.frequency-card p:last-child {
    font-size: 1.1em;
    margin-top: 10px;
}

/* Interactive Demo */
.interactive-demo {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 40px;
    border-radius: 20px;
}

.frequency-visualizer {
    text-align: center;
    margin-bottom: 40px;
}

.wave-display {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#waveSvg {
    display: block;
    margin: 0 auto;
}

.frequency-info h3 {
    font-size: 2em;
    color: #667eea;
    margin-bottom: 10px;
}

.frequency-info p {
    font-size: 1.5em;
    color: #764ba2;
    font-weight: bold;
}

.slider-container {
    text-align: center;
}

.slider-container label {
    font-size: 1.3em;
    color: #333;
    display: block;
    margin-bottom: 20px;
    font-weight: bold;
}

#freqSlider {
    width: 80%;
    height: 15px;
    border-radius: 10px;
    outline: none;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    -webkit-appearance: none;
    cursor: pointer;
}

#freqSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

#freqSlider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

#freqSlider::-moz-range-thumb {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: none;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 1.1em;
    font-weight: bold;
    color: #666;
    padding: 0 10%;
}

/* Communication Flow */
.communication-flow {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin: 40px 0;
}

.flow-step {
    text-align: center;
    flex: 1;
}

.step-icon {
    font-size: 4em;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.flow-step h3 {
    font-size: 1.5em;
    color: #667eea;
    margin-bottom: 15px;
}

.flow-step p {
    font-size: 1.2em;
    color: #666;
    line-height: 1.5;
}

.arrow {
    font-size: 3em;
    color: #764ba2;
    font-weight: bold;
}

.fun-fact {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    padding: 30px;
    border-radius: 20px;
    margin-top: 40px;
    text-align: center;
}

.fun-fact p {
    font-size: 1.3em;
    color: #333;
}

/* Chaos Demo */
.chaos-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.scenario {
    padding: 30px;
    border-radius: 20px;
    text-align: center;
}

.scenario.bad {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
}

.scenario.good {
    background: linear-gradient(135deg, #51cf66 0%, #40c057 100%);
    color: white;
}

.scenario h3 {
    font-size: 2em;
    margin-bottom: 25px;
}

.overlapping-signals {
    position: relative;
    height: 150px;
    margin: 30px 0;
}

.overlapping-signals .signal {
    position: absolute;
    font-size: 3em;
    animation: chaos 2s infinite;
}

.overlapping-signals .s1 {
    left: 10%;
    top: 10%;
    animation-delay: 0s;
}

.overlapping-signals .s2 {
    left: 40%;
    top: 40%;
    animation-delay: 0.5s;
}

.overlapping-signals .s3 {
    left: 60%;
    top: 20%;
    animation-delay: 1s;
}

.overlapping-signals .s4 {
    left: 30%;
    top: 60%;
    animation-delay: 1.5s;
}

@keyframes chaos {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
    }
}

.organized-signals {
    margin: 30px 0;
}

.signal-lane {
    background: rgba(255, 255, 255, 0.3);
    padding: 15px;
    margin: 10px 0;
    border-radius: 10px;
    font-size: 1.5em;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideRight 1s ease;
}

@keyframes slideRight {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.scenario p {
    font-size: 1.3em;
    margin-top: 20px;
}

/* ITU */
.itu-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
}

.itu-logo {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px;
    border-radius: 20px;
    color: white;
}

.globe {
    font-size: 6em;
    margin-bottom: 20px;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.itu-logo h3 {
    font-size: 3em;
    margin-bottom: 10px;
    color: white;
}

.full-name {
    font-size: 1.2em;
    font-style: italic;
}

.itu-info h3 {
    font-size: 2em;
    color: #667eea;
    margin-bottom: 25px;
}

.itu-roles {
    display: grid;
    gap: 20px;
}

.role {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 20px;
    border-radius: 15px;
}

.role-icon {
    font-size: 2.5em;
    flex-shrink: 0;
}

.role p {
    font-size: 1.2em;
    color: #333;
    line-height: 1.5;
}

.itu-summary {
    font-size: 1.4em;
    color: #764ba2;
    font-weight: bold;
    margin-top: 25px;
    text-align: center;
}

/* Highway */
.highway-analogy {
    margin-top: 30px;
}

.highway {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 30px;
    border-radius: 20px;
    position: relative;
}

.lane {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0.1) 100%);
    height: 60px;
    margin: 5px 0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    position: relative;
    overflow: hidden;
}

.lane-label {
    color: white;
    font-size: 1.2em;
    font-weight: bold;
    z-index: 1;
}

.car {
    font-size: 2em;
    position: absolute;
    right: 20px;
    animation: drive 8s linear infinite;
}

@keyframes drive {
    0% {
        right: -100px;
    }
    100% {
        right: calc(100% + 100px);
    }
}

/* Different delays for multiple cars in same lane */
.lane .car1 {
    animation-delay: 0s;
}

.lane .car2 {
    animation-delay: 2.7s;
}

.lane .car3 {
    animation-delay: 5.4s;
}

/* Stagger start times between lanes */
.lane1 .car {
    animation-delay: 0s;
}

.lane1 .car2 {
    animation-delay: 2.7s;
}

.lane1 .car3 {
    animation-delay: 5.4s;
}

.lane2 .car1 {
    animation-delay: 0.5s;
}

.lane2 .car2 {
    animation-delay: 3.2s;
}

.lane2 .car3 {
    animation-delay: 5.9s;
}

.lane3 .car1 {
    animation-delay: 1s;
}

.lane3 .car2 {
    animation-delay: 3.7s;
}

.lane3 .car3 {
    animation-delay: 6.4s;
}

.lane4 .car1 {
    animation-delay: 1.5s;
}

.lane4 .car2 {
    animation-delay: 4.2s;
}

.lane4 .car3 {
    animation-delay: 6.9s;
}

.lane5 .car1 {
    animation-delay: 2s;
}

.lane5 .car2 {
    animation-delay: 4.7s;
}

.lane5 .car3 {
    animation-delay: 7.4s;
}

.lane6 .car1 {
    animation-delay: 2.5s;
}

.lane6 .car2 {
    animation-delay: 5.2s;
}

.lane6 .car3 {
    animation-delay: 7.9s;
}

.highway-explanation {
    font-size: 1.4em;
    text-align: center;
    margin-top: 30px;
    color: #333;
    font-weight: bold;
}

/* Fun Facts */
.facts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.fact-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 28px;
    border-radius: 15px;
    text-align: center;
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.fact-card:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.fact-icon {
    font-size: 3.5em;
    margin-bottom: 18px;
}

.fact-card p {
    font-size: 1.15em;
    line-height: 1.6;
    font-weight: 400;
}

/* Summary */
.summary-box {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 40px;
    border-radius: 20px;
}

.summary-point {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 25px 0;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.check {
    font-size: 2.5em;
    flex-shrink: 0;
}

.summary-point p {
    font-size: 1.3em;
    color: #333;
    line-height: 1.6;
}

.final-message {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    padding: 40px;
    border-radius: 20px;
    margin-top: 30px;
    text-align: center;
}

.final-message h3 {
    font-size: 2em;
    color: #333;
    margin-bottom: 20px;
}

.final-message p {
    font-size: 1.3em;
    color: #666;
}

/* Thank You */
.thank-you {
    font-size: 3.5em;
    text-align: center;
    color: #667eea;
    margin-bottom: 50px;
    font-weight: 600;
}

.thank-you-animation {
    position: relative;
    height: 300px;
    margin: 50px 0;
}

.floating-icon {
    position: absolute;
    font-size: 4em;
    animation: float 3s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    left: 10%;
    top: 20%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    left: 30%;
    top: 60%;
    animation-delay: 0.5s;
}

.floating-icon:nth-child(3) {
    left: 50%;
    top: 10%;
    animation-delay: 1s;
}

.floating-icon:nth-child(4) {
    left: 70%;
    top: 50%;
    animation-delay: 1.5s;
}

.floating-icon:nth-child(5) {
    left: 85%;
    top: 25%;
    animation-delay: 2s;
}

.floating-icon:nth-child(6) {
    left: 15%;
    top: 70%;
    animation-delay: 2.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

.final-note {
    font-size: 1.8em;
    text-align: center;
    color: #764ba2;
    font-weight: bold;
}

/* Navigation Controls */
.controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 30px;
    background: white;
    padding: 15px 40px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.nav-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 1.1em;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.nav-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.slide-counter {
    font-size: 1.3em;
    font-weight: bold;
    color: #667eea;
}

/* Slide Indicators */
.slide-indicators {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.5);
}

.indicator:hover {
    background: white;
    transform: scale(1.2);
}

/* Specific slides optimization for landscape screens */
#slide6 .slide-content,
#slide7 .slide-content,
#slide10 .slide-content,
#slide11 .slide-content,
#slide13 .slide-content,
#slide14 .slide-content,
#slide15 .slide-content,
#slide16 .slide-content,
#slide17 .slide-content,
#slide18 .slide-content,
#slide19 .slide-content,
#slide20 .slide-content,
#slide21 .slide-content {
    max-width: 1400px;
    padding: 35px 60px;
}

#slide6 h2,
#slide7 h2,
#slide10 h2,
#slide11 h2,
#slide13 h2,
#slide14 h2,
#slide15 h2,
#slide16 h2,
#slide17 h2,
#slide18 h2,
#slide19 h2,
#slide20 h2,
#slide21 h2 {
    font-size: 2.2em;
    margin-bottom: 20px;
}

/* Slide 6 & 7 - Modulation slides - optimize for landscape */
#slide6 .slide-content > div:first-child,
#slide7 .slide-content > div:first-child {
    padding: 20px !important;
    margin-bottom: 20px !important;
}

#slide7 .slide-content > div:nth-child(2) {
    padding: 25px !important;
}

/* Make GNSS grid more compact and horizontal (slide 14) */
#slide14 .gnss-grid {
    grid-template-columns: repeat(4, 1fr) !important;
}

#slide14 .gnss-card {
    padding: 20px !important;
}

#slide14 .gnss-intro {
    padding: 20px !important;
    margin-bottom: 20px !important;
}

#slide14 .fun-fact {
    padding: 20px !important;
    margin-top: 20px !important;
}

/* GSO satellites - more horizontal layout (slide 15) */
#slide15 .gso-explanation {
    padding: 25px !important;
    margin-bottom: 20px !important;
}

#slide15 .gso-uses {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
}

#slide15 .fun-fact {
    padding: 20px !important;
    margin-top: 20px !important;
}

/* LEO satellites - more compact (slide 16) */
#slide16 .leo-explanation {
    padding: 25px !important;
    margin-bottom: 20px !important;
}

#slide16 .fun-fact {
    padding: 25px !important;
    margin-top: 20px !important;
}

/* LEO satellite projects (slide 17) */
#slide17 .leo-projects {
    gap: 25px !important;
}

#slide17 .leo-projects > div {
    padding: 30px !important;
}

/* Satellite visualizations (slide 18) */
#slide18 .slide-content {
    max-width: 1400px;
    padding: 30px 40px;
}

/* Evolution slides - optimize for landscape (slide 19) */
#slide19 .evolution-intro {
    padding: 20px !important;
    margin-bottom: 20px !important;
}

#slide19 .evolution-section h3 {
    font-size: 1.8em !important;
    margin-bottom: 20px !important;
}

#slide19 .evolution-section > div > div {
    padding: 25px !important;
}

#slide19 .evolution-section > div > div > div {
    padding: 15px !important;
}


/* LeoLabs Link Slide */
.leolabs-preview-container {
    margin: 30px 0;
}

.leolabs-link:hover .leolabs-preview-container > div {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.5);
    border-color: #764ba2;
}

@keyframes pulseBackground {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

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

.leolabs-intro {
    animation: fadeInScale 0.6s ease forwards;
}

.visualization-info {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.3s;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .slide-content {
        padding: 30px;
    }
    
    .title-main {
        font-size: 2.5em;
    }
    
    .frequency-grid,
    .facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .itu-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .slide-content {
        padding: 20px;
    }
    
    .title-main {
        font-size: 2em;
    }
    
    h2 {
        font-size: 1.8em;
    }
    
    .frequency-grid,
    .facts-grid,
    .chaos-demo {
        grid-template-columns: 1fr;
    }
    
    .communication-flow {
        flex-direction: column;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
}