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

body {
    font-family: 'Nunito', sans-serif;
    background: 
        radial-gradient(ellipse at top, #000000 0%, #0a0a0a 50%, #000000 100%),
        radial-gradient(ellipse at bottom, #1a1a2e 0%, #0a0a0a 50%, #000000 100%);
    background-attachment: fixed;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 7, 100, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(88, 28, 135, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 20%, rgba(30, 58, 138, 0.08) 0%, transparent 40%);
    pointer-events: none;
    z-index: 1;
}

.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    background-image: 
        /* Camada 1 - Estrelas pequenas brancas - MUITAS */
        radial-gradient(1px 1px at 20px 30px, #fff, transparent),
        radial-gradient(1px 1px at 40px 70px, #fff, transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, #fff, transparent),
        radial-gradient(1px 1px at 160px 30px, #fff, transparent),
        radial-gradient(1px 1px at 200px 120px, #fff, transparent),
        radial-gradient(1px 1px at 250px 60px, #fff, transparent),
        radial-gradient(1px 1px at 300px 150px, #fff, transparent),
        radial-gradient(1px 1px at 350px 90px, #fff, transparent),
        radial-gradient(1px 1px at 380px 40px, #fff, transparent),
        radial-gradient(1px 1px at 50px 180px, #fff, transparent),
        radial-gradient(1px 1px at 110px 200px, #fff, transparent),
        radial-gradient(1px 1px at 190px 170px, #fff, transparent),
        radial-gradient(1px 1px at 270px 190px, #fff, transparent),
        radial-gradient(1px 1px at 330px 180px, #fff, transparent),
        radial-gradient(1px 1px at 370px 220px, #fff, transparent),
        radial-gradient(1px 1px at 80px 250px, #fff, transparent),
        radial-gradient(1px 1px at 140px 270px, #fff, transparent),
        radial-gradient(1px 1px at 220px 240px, #fff, transparent),
        radial-gradient(1px 1px at 310px 260px, #fff, transparent),
        
        /* Camada 2 - Estrelas médias coloridas */
        radial-gradient(2px 2px at 60px 20px, #ffd93d, transparent),
        radial-gradient(2px 2px at 180px 100px, #ff6b9d, transparent),
        radial-gradient(2px 2px at 320px 50px, #00d4ff, transparent),
        radial-gradient(2px 2px at 100px 140px, #c4b5fd, transparent),
        radial-gradient(2px 2px at 280px 120px, #fbbf24, transparent),
        radial-gradient(2px 2px at 70px 200px, #34d399, transparent),
        radial-gradient(2px 2px at 240px 180px, #f472b6, transparent),
        radial-gradient(2px 2px at 360px 160px, #60a5fa, transparent),
        
        /* Camada 3 - Estrelas grandes brilhantes */
        radial-gradient(3px 3px at 150px 80px, #fff, transparent),
        radial-gradient(3px 3px at 370px 140px, #fff, transparent),
        radial-gradient(3px 3px at 80px 160px, #fff, transparent),
        radial-gradient(3px 3px at 290px 200px, #fff, transparent),
        radial-gradient(3px 3px at 180px 220px, #fff, transparent),
        
        /* Camada 4 - Estrelas extra pequenas para densidade */
        radial-gradient(0.5px 0.5px at 45px 55px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(0.5px 0.5px at 95px 75px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(0.5px 0.5px at 145px 95px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(0.5px 0.5px at 195px 115px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(0.5px 0.5px at 245px 135px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(0.5px 0.5px at 295px 155px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(0.5px 0.5px at 345px 175px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(0.5px 0.5px at 35px 195px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(0.5px 0.5px at 85px 215px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(0.5px 0.5px at 135px 235px, rgba(255, 255, 255, 0.6), transparent);
    
    background-repeat: repeat;
    background-size: 400px 300px;
    animation: twinkleStars 8s linear infinite;
}

@keyframes twinkleStars {
    0%, 100% { opacity: 1; }
    25% { opacity: 0.7; }
    50% { opacity: 0.4; }
    75% { opacity: 0.8; }
}

.stars::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Estrelas pequenas em movimento */
        radial-gradient(1px 1px at 25px 45px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 85px 25px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 125px 75px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 175px 35px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 225px 95px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 275px 55px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 325px 115px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 375px 25px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 55px 135px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 105px 155px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 155px 175px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 205px 195px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 255px 215px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 305px 235px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 355px 255px, rgba(255, 255, 255, 0.9), transparent);
    background-repeat: repeat;
    background-size: 400px 280px;
    animation: driftStars 25s linear infinite;
}

@keyframes driftStars {
    from { transform: translateX(0) translateY(0); }
    to { transform: translateX(-400px) translateY(-280px); }
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: radial-gradient(circle, #ffffff, rgba(255, 255, 255, 0.3));
    border-radius: 50%;
    animation: floatStars 12s infinite ease-in-out;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
}

.particle:nth-child(3n) {
    background: radial-gradient(circle, #ffd93d, rgba(255, 217, 61, 0.3));
    box-shadow: 0 0 8px rgba(255, 217, 61, 0.6);
}

.particle:nth-child(5n) {
    background: radial-gradient(circle, #00d4ff, rgba(0, 212, 255, 0.3));
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

.particle:nth-child(7n) {
    background: radial-gradient(circle, #ff6b9d, rgba(255, 107, 157, 0.3));
    box-shadow: 0 0 8px rgba(255, 107, 157, 0.6);
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; animation-delay: 3s; }
.particle:nth-child(5) { left: 50%; animation-delay: 4s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 6s; }
.particle:nth-child(8) { left: 80%; animation-delay: 7s; }
.particle:nth-child(9) { left: 90%; animation-delay: 8s; }
.particle:nth-child(10) { left: 95%; animation-delay: 9s; }

@keyframes floatStars {
    0%, 100% { 
        transform: translateY(100vh) rotate(0deg) scale(0.5); 
        opacity: 0; 
    }
    10% { 
        opacity: 1; 
        transform: translateY(90vh) rotate(45deg) scale(1);
    }
    50% { 
        transform: translateY(10vh) rotate(180deg) scale(0.8); 
        opacity: 0.8;
    }
    90% { 
        opacity: 1; 
        transform: translateY(-10vh) rotate(315deg) scale(1.2);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 10;
}

.project-info h3 {
    font-family: 'Fredoka One', cursive;
    font-size: 1.4rem;
    color: #ffd93d;
    margin-bottom: 5px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.project-info p {
    font-size: 1rem;
    color: #ffffff;
    margin: 0;
    line-height: 1.4;
    max-width: 600px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 0;
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    position: relative;
}

.creative-title {
    margin-bottom: 20px;
}

.title-line {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 10px;
}

.letter {
    font-family: 'Fredoka One', cursive;
    font-size: 3rem;
    font-weight: 400;
    background: linear-gradient(45deg, #ffd93d, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
    animation: letterBounce 2s ease-in-out infinite;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.letter.special {
    background: linear-gradient(45deg, #00d4ff, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 0.2s;
}

@keyframes letterBounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(2deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(-5px) rotate(-1deg); }
}

.letter:nth-child(1) { animation-delay: 0.1s; }
.letter:nth-child(2) { animation-delay: 0.2s; }
.letter:nth-child(3) { animation-delay: 0.3s; }
.letter:nth-child(4) { animation-delay: 0.4s; }
.letter:nth-child(5) { animation-delay: 0.5s; }
.letter:nth-child(6) { animation-delay: 0.6s; }
.letter:nth-child(7) { animation-delay: 0.7s; }
.letter:nth-child(8) { animation-delay: 0.8s; }

@keyframes rainbowText {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Event Logo in Footer */
.event-logo-container {
    text-align: center;
    margin: 20px 0;
    padding: 15px;
}

.event-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    transition: all 0.3s ease;
    border-radius: 10px;
    filter: drop-shadow(0 5px 15px rgba(255, 217, 61, 0.3));
}

.event-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 8px 20px rgba(255, 217, 61, 0.5));
}

@media (max-width: 768px) {
    .event-logo {
        max-width: 150px;
    }
    
    .event-logo-container {
        margin: 15px 0;
        padding: 10px;
    }
}

.quiz-title-creative {
    text-align: center;
    margin: 2rem 0;
    font-family: 'Fredoka One', cursive;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2px;
}

.quiz-letter {
    font-family: 'Fredoka One', cursive;
    font-size: 3rem;
    font-weight: 400;
    background: linear-gradient(45deg, #ffd93d, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
}

.footer-title-creative {
    text-align: center;
    margin: 1rem 0;
    font-family: 'Fredoka One', cursive;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1px;
}

.footer-letter {
    display: inline-block;
    font-size: 1.8rem;
    font-weight: 400;
    background: linear-gradient(45deg, #ffd93d, #ff6b9d, #00d4ff, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background-size: 300% 300%;
}

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

.container-decoration {
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    flex-direction: row;
}

.decoration-img {
    width: 90px;
    height: 90px;
    object-fit: cover;
    animation: decorationFloat 4s ease-in-out infinite;
    opacity: 0.8;
}

.decoration-top-left {
    animation-delay: 0s;
}

.decoration-top-right {
    animation-delay: 2s;
}

@keyframes decorationFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    50% { transform: translateY(-8px) rotate(10deg) scale(1.1); }
}

.section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

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

.video-container {
    background: rgba(31, 29, 61, 0.7);
    border-radius: 25px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(15px);
    border: 3px solid rgba(255, 217, 61, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.video-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto 30px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(4, 157, 187, 0.3);
}

/* Floating eBook Button */
.floating-ebook-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
}

.floating-ebook-btn:hover {
    transform: translateY(-5px);
}

.floating-ebook-btn:hover .ebook-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

/* Book Button Design */
.book-button {
    position: relative;
    width: 80px;
    height: 95px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: bookFloat 3s ease-in-out infinite;
}

.book-button:hover {
    transform: scale(1.1);
    animation-play-state: paused;
}

.book-spine {
    position: absolute;
    left: 0;
    top: 0;
    width: 10px;
    height: 95px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    border-radius: 2px 0 0 2px;
    box-shadow: inset 2px 0 4px rgba(0, 0, 0, 0.3);
}

.book-cover {
    position: absolute;
    left: 8px;
    top: 0;
    width: 70px;
    height: 95px;
    background: 
        linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.5)),
        url('assets/cover.png'),
        linear-gradient(135deg, #3b82f6, #1e40af);
    background-size: 
        cover,
        80%,
        cover;
    background-position: 
        center,
        center,
        center;
    background-repeat: no-repeat;
    border-radius: 0 4px 4px 0;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.3),
        inset 0 2px 4px rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    color: #ffffff;
    padding-bottom: 10px;
    font-weight: bold;
}

.book-title {
    font-size: 1.2rem;
    margin-bottom: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.3));
}

.book-subtitle {
    font-size: 0.6rem;
    margin-bottom: 2px;
    font-weight: 900;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    background: rgba(255, 217, 61, 0.9);
    color: #1a1a2e;
    padding: 2px 5px;
    border-radius: 2px;
}

.book-action {
    font-size: 0.6rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 800;
}

.book-pages {
    position: absolute;
    left: 10px;
    top: 2px;
    width: 66px;
    height: 91px;
    background: #ffffff;
    border-radius: 0 3px 3px 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.book-pages::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 2px;
    width: 62px;
    height: 87px;
    background: #f8f9fa;
    border-radius: 0 2px 2px 0;
}

.book-pages::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 4px;
    width: 58px;
    height: 83px;
    background: #f1f3f4;
    border-radius: 0 1px 1px 0;
}

/* Tooltip */
.ebook-tooltip {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 26, 46, 0.95);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 217, 61, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ebook-tooltip::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-bottom-color: rgba(26, 26, 46, 0.95);
}

@keyframes bookFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-3px) rotate(1deg); }
    50% { transform: translateY(-5px) rotate(0deg); }
    75% { transform: translateY(-3px) rotate(-1deg); }
}

/* Floating Audiobook Button */
.floating-audiobook-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
}

.floating-audiobook-btn:hover {
    transform: translateY(-5px);
}

.floating-audiobook-btn:hover .audiobook-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

/* Audiobook Button Design */
.audiobook-button {
    position: relative;
    width: 80px;
    height: 95px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: audioFloat 3s ease-in-out infinite;
}

.audiobook-button:hover {
    transform: scale(1.1);
    animation-play-state: paused;
}

.audiobook-speaker {
    position: absolute;
    left: 0;
    top: 0;
    width: 10px;
    height: 95px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 2px 0 0 2px;
    box-shadow: inset 2px 0 4px rgba(0, 0, 0, 0.3);
}

.audiobook-cover {
    position: absolute;
    left: 8px;
    top: 0;
    width: 70px;
    height: 95px;
    background: 
        linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.5)),
        url('assets/cover.png'),
        linear-gradient(135deg, #f59e0b, #d97706);
    background-size: 
        cover,
        80%,
        cover;
    background-position: 
        center,
        center,
        center;
    background-repeat: no-repeat;
    border-radius: 0 4px 4px 0;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.3),
        inset 0 2px 4px rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    color: #ffffff;
    padding-bottom: 10px;
    font-weight: bold;
}

.audiobook-title {
    font-size: 1.2rem;
    margin-bottom: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.3));
}

.audiobook-subtitle {
    font-size: 0.6rem;
    margin-bottom: 2px;
    font-weight: 900;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    background: rgba(245, 158, 11, 0.9);
    color: #1a1a2e;
    padding: 2px 5px;
    border-radius: 2px;
}

.audiobook-action {
    font-size: 0.6rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 800;
}

.audiobook-waves {
    position: absolute;
    left: 10px;
    top: 2px;
    width: 66px;
    height: 91px;
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    border-radius: 0 3px 3px 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    opacity: 0.8;
}

.audiobook-waves::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 2px;
    width: 62px;
    height: 87px;
    background: linear-gradient(45deg, #fef3c7, #fbbf24);
    border-radius: 0 2px 2px 0;
}

.audiobook-waves::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 4px;
    width: 58px;
    height: 83px;
    background: linear-gradient(45deg, #fffbeb, #fef3c7);
    border-radius: 0 1px 1px 0;
}

/* Audiobook Tooltip */
.audiobook-tooltip {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 26, 46, 0.95);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(245, 158, 11, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.audiobook-tooltip::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-bottom-color: rgba(26, 26, 46, 0.95);
}

@keyframes audioFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-3px) rotate(1deg); }
    50% { transform: translateY(-5px) rotate(0deg); }
    75% { transform: translateY(-3px) rotate(-1deg); }
}

/* Audio Player Container */
.audio-player-container {
    position: absolute;
    top: 120px;
    left: 20px;
    z-index: 9;
    background: rgba(26, 26, 46, 0.95);
    padding: 15px;
    border-radius: 15px;
    border: 2px solid rgba(245, 158, 11, 0.3);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    display: none;
    animation: slideInLeft 0.3s ease;
}

.audio-player-container.show {
    display: block;
}

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

.audio-player-container audio {
    width: 300px;
    height: 40px;
    border-radius: 20px;
    outline: none;
}

#space-video {
    width: 100%;
    height: auto;
    display: block;
}
/* Botões */
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Nunito', sans-serif;
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b9d, #ffd93d);
    color: #1a1a2e;
    box-shadow: 0 10px 25px rgba(255, 107, 157, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(255, 107, 157, 0.6);
}

.btn-secondary {
    background: linear-gradient(45deg, #c4b5fd, #00d4ff);
    color: #1a1a2e;
    box-shadow: 0 10px 25px rgba(196, 181, 253, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(196, 181, 253, 0.6);
}

.btn-success {
    background: linear-gradient(45deg, #4ade80, #22d3ee);
    color: #1a1a2e;
    box-shadow: 0 10px 25px rgba(74, 222, 128, 0.4);
}

.btn-success:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(74, 222, 128, 0.6);
}

.btn-certificate {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    color: #1a1a2e;
    box-shadow: 0 10px 25px rgba(251, 191, 36, 0.4);
    animation: certificatePulse 2s infinite;
}

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

.btn-certificate:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 35px rgba(251, 191, 36, 0.6);
    animation: none;
}

/* eBook Button Styles */
.btn-ebook {
    background: linear-gradient(45deg, #8b5cf6, #a855f7);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-ebook::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-ebook:hover::before {
    left: 100%;
}

.btn-ebook:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.6);
    background: linear-gradient(45deg, #7c3aed, #8b5cf6);
}

/* eBook Highlight Button (Main Page) */
.btn-ebook-highlight {
    background: linear-gradient(45deg, #ff6b9d, #fbbf24, #8b5cf6);
    background-size: 300% 300%;
    color: #1a1a2e;
    font-weight: 800;
    box-shadow: 0 15px 30px rgba(255, 107, 157, 0.4);
    position: relative;
    overflow: hidden;
    animation: gradientShift 3s ease-in-out infinite, glowPulse 2s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-ebook-highlight::before {
    content: '✨';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 1.2rem;
    animation: sparkle 1.5s ease-in-out infinite;
}

.btn-ebook-highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s;
}

.btn-ebook-highlight:hover::after {
    left: 100%;
}

.btn-ebook-highlight:hover {
    transform: translateY(-8px) scale(1.08);
    box-shadow: 0 20px 40px rgba(255, 107, 157, 0.6);
    animation: gradientShift 1s ease-in-out infinite, glowPulse 1s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 15px 30px rgba(255, 107, 157, 0.4); }
    50% { box-shadow: 0 15px 30px rgba(255, 107, 157, 0.8); }
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.7; }
    50% { transform: scale(1.3) rotate(180deg); opacity: 1; }
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.quiz-container {
    background: rgba(30, 27, 75, 0.7);
    border-radius: 25px;
    padding: 40px;
    backdrop-filter: blur(15px);
    border: 3px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    position: relative;
}

.quiz-container::before {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    animation: bounce 2s infinite;
}

.quiz-container h2 {
    font-family: 'Fredoka One', cursive;
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #00d4ff, #c4b5fd, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Progresso do Quiz */
.quiz-progress {
    margin-bottom: 30px;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #ff6b9d);
    width: 0%;
    transition: width 0.3s ease;
}

#question-counter {
    font-size: 1.1rem;
    color: #b0b0b0;
}

/* Perguntas */
.question-container {
    margin-bottom: 30px;
}

#question-text {
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
    color: #ffffff;
    line-height: 1.4;
}

.answers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.answer-option {
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 1rem;
    line-height: 1.4;
}

.answer-option:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

.answer-option.selected {
    background: rgba(0, 212, 255, 0.2);
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.answer-option.correct {
    background: rgba(40, 167, 69, 0.2);
    border-color: #28a745;
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.3);
}

.answer-option.incorrect {
    background: rgba(220, 53, 69, 0.2);
    border-color: #dc3545;
    box-shadow: 0 0 20px rgba(220, 53, 69, 0.3);
}

.quiz-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.result-container {
    background: rgba(30, 27, 75, 0.7);
    border-radius: 25px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(15px);
    border: 3px solid rgba(196, 181, 253, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

#result-content h2 {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    margin-bottom: 20px;
}

#result-content p {
    font-size: 1.2rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.result-actions {
    margin-top: 30px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.score-display {
    font-size: 2rem;
    font-weight: 700;
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: inline-block;
}

.success {
    color: #28a745;
    text-shadow: 0 0 10px rgba(40, 167, 69, 0.5);
}

.failure {
    color: #dc3545;
    text-shadow: 0 0 10px rgba(220, 53, 69, 0.5);
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .letter {
        font-size: 2.2rem;
    }
    
    .video-container,
    .quiz-container,
    .result-container {
        padding: 25px;
    }
    
    .quiz-controls {
        justify-content: center;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .answers-grid {
        grid-template-columns: 1fr;
    }
    
    #question-text {
        font-size: 1.3rem;
    }
    
    #result-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .video-container h2,
    .quiz-container h2 {
        font-size: 2rem;
    }
    
    .video-container,
    .quiz-container,
    .result-container {
        padding: 20px;
    }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 20px;
    padding: 0;
    width: 90%;
    max-width: 500px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s ease;
    position: relative;
    overflow: hidden;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    background: linear-gradient(45deg, #00d4ff, #ff6b9d);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center ;
    border-radius: 20px 20px 0 0;
}

.modal-header h2 {
    margin: 0;
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    color: #1a1a2e;
    font-weight: 700;
}

.close-modal {
    color: #1a1a2e;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s ease;
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.close-modal:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 30px;
    color: #ffffff;
}

.modal-body p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    text-align: center;
    line-height: 1.5;
    color: #d0d0d0;
}

.input-group {
    margin-bottom: 30px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #00d4ff;
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    font-size: 1rem;
    font-family: 'Space Mono', monospace;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.input-group input:focus {
    outline: none;
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.input-group input::placeholder {
    color: #888;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.modal-actions .btn {
   
    min-width: 120px;
    margin: 0;
}

/* Efeitos especiais do modal */
.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff, #ff6b9d, #ffd93d, transparent);
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Partículas no modal */
.modal-content::after {
    position: absolute;
    top: 10px;
    right: 60px;
    font-size: 1.2rem;
    animation: sparkle 2s ease-in-out infinite;
}

/* Responsividade do modal */
@media (max-width: 600px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        flex: none;
        width: 100%;
    }
}

/* Footer Educativo */
.info-footer {
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(15px);
    margin-top: 50px;
    padding: 40px 0 20px;
    border-top: 3px solid rgba(255, 217, 61, 0.5);
    border-radius: 20px 20px 0 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.footer-section h4 {
    font-family: 'Fredoka One', cursive;
    font-size: 1.3rem;
    color: #ffd93d;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.footer-section p {
    line-height: 1.6;
    color: #ffffff;
    margin-bottom: 15px;
}

.project-info-with-image {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.project-text {
    flex: 1;
    min-width: 250px;
}

.project-image {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
}

.about-project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: projectImageFloat 6s ease-in-out infinite;
}

@keyframes projectImageFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(2deg); }
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.step {
    background: rgba(0, 212, 255, 0.2);
    padding: 10px 15px;
    border-radius: 20px;
    border-left: 4px solid #00d4ff;
    font-weight: 700;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.footer-emojis {
    font-size: 1.5rem;
    letter-spacing: 10px;
    animation: wiggle 3s ease-in-out infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(2deg); }
    75% { transform: rotate(-2deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}


@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .steps {
        gap: 8px;
    }
    
    .project-info-with-image {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .project-image {
        width: 100px;
        height: 100px;
    }
}

/* NASA Space Apps Challenge Link */
.nasa-link {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.nasa-link:hover {
    color: #ffd93d;
    text-shadow: 0 0 15px rgba(255, 217, 61, 0.6);
    transform: scale(1.05);
}

/* Team List with Social Links */
.team-list {
    list-style: none;
    padding: 0;
}

.team-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.team-list li:hover {
    background: rgba(0, 212, 255, 0.1);
    padding-left: 10px;
    border-radius: 8px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

.member-name {
    color: #ffffff;
    font-weight: 600;
    flex: 1;
}

.social-links {
    display: flex;
    gap: 8px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.team-list li:hover .social-links {
    opacity: 1;
}

.social-link {
    display: inline-block;
    font-size: 1rem;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.social-link:hover {
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.social-link.linkedin:hover {
    background: rgba(0, 119, 181, 0.3);
    box-shadow: 0 4px 15px rgba(0, 119, 181, 0.4);
}

/* LinkedIn Icon from local SVG file */
.social-link.linkedin::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url('assets/linkedin-brands-solid-full.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 6px;
    vertical-align: middle;
    filter: brightness(0) invert(1);
}

.social-link.github:hover {
    background: rgba(51, 51, 51, 0.3);
    box-shadow: 0 4px 15px rgba(51, 51, 51, 0.4);
}

/* GitHub Icon from local SVG file */
.social-link.github::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url('assets/github-brands-solid-full.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 6px;
    vertical-align: middle;
    filter: brightness(0) invert(1);
}

.social-link.whatsapp:hover {
    background: rgba(37, 211, 102, 0.3);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

/* WhatsApp Icon from local SVG file */
.social-link.whatsapp::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url('assets/whatsapp-brands-solid-full.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 6px;
    vertical-align: middle;
    filter: brightness(0) invert(1); 
}

.social-link.instagram:hover {
    background: rgba(225, 48, 108, 0.3);
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.4);
}

@media (max-width: 768px) {
    .team-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .social-links {
        align-self: flex-end;
    }
}

/* ===== SEÇÃO EDUCATIVA ===== */

/* Education Section Styles */
.education-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
}

/* Education Title Animation */
.education-title-creative {
    text-align: center;
    margin: 2rem 0 3rem;
    font-family: 'Fredoka One', cursive;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2px;
}

.education-letter {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 400;
    background: linear-gradient(45deg, #ffd93d, #ff6b9d, #00d4ff, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    animation: educationGlow 2.8s ease-in-out infinite alternate;
    background-size: 300% 300%;
    animation: educationGlow 2.8s ease-in-out infinite alternate, rainbowText 7s ease infinite;
    transition: all 0.3s ease;
}

.education-letter:hover {
    transform: scale(1.2) rotate(8deg);
    filter: drop-shadow(0 0 15px rgba(255, 217, 61, 0.8));
}

@keyframes educationGlow {
    0% { 
        transform: translateY(0) scale(1); 
        filter: drop-shadow(0 0 8px rgba(255, 217, 61, 0.5)); 
    }
    50% { 
        transform: translateY(-8px) scale(1.05); 
        filter: drop-shadow(0 0 18px rgba(255, 107, 157, 0.8)); 
    }
    100% { 
        transform: translateY(0) scale(1); 
        filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.6)); 
    }
}

/* Education Content */
.education-content {
    margin-top: 40px;
}

/* Concept Grid */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.concept-card {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 30px;
    border: 2px solid rgba(255, 217, 61, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.concept-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 217, 61, 0.1), transparent);
    transition: all 0.6s ease;
}

.concept-card:hover::before {
    left: 100%;
}

.concept-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 217, 61, 0.6);
    box-shadow: 0 20px 40px rgba(255, 217, 61, 0.2);
}

.concept-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

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

.concept-card h3 {
    font-family: 'Fredoka One', cursive;
    color: #00d4ff;
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.concept-card p {
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.concept-details {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 15px;
    border-left: 4px solid #ffd93d;
}

.concept-details strong {
    color: #ffd93d;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 10px;
}

.concept-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.concept-details li {
    color: #ffffff;
    padding: 5px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.concept-details li:last-child {
    border-bottom: none;
}

/* Image Gallery */
.image-gallery {
    margin: 50px 0;
    text-align: center;
}

.gallery-title {
    font-family: 'Fredoka One', cursive;
    color: #ff6b9d;
    font-size: 2rem;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.gallery-item {
    background: rgba(26, 26, 46, 0.9);
    border-radius: 20px;
    padding: 20px;
    border: 2px solid rgba(255, 107, 157, 0.3);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 157, 0.1), transparent);
    transition: all 0.6s ease;
}

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

.gallery-item:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(255, 107, 157, 0.7);
    box-shadow: 0 20px 40px rgba(255, 107, 157, 0.3);
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
    border-color: rgba(255, 107, 157, 0.5);
}

.image-info {
    text-align: left;
    padding: 10px 0;
}

.image-title {
    font-family: 'Fredoka One', cursive;
    color: #ff6b9d;
    font-size: 1.2rem;
    margin-bottom: 8px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.image-source {
    color: #ffd93d;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    opacity: 0.9;
}

.gallery-caption {
    color: #ffffff;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 10px;
}

.zoom-hint {
    background: rgba(255, 107, 157, 0.2);
    color: #ff6b9d;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 5px;
    border: 1px solid rgba(255, 107, 157, 0.3);
    transition: all 0.3s ease;
}

.gallery-item:hover .zoom-hint {
    background: rgba(255, 107, 157, 0.4);
    border-color: rgba(255, 107, 157, 0.6);
    transform: scale(1.05);
}

/* Modal de Imagem */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.image-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-content {
    background: rgba(26, 26, 46, 0.95);
    border-radius: 20px;
    max-width: 90vw;
    max-height: 90vh;
    border: 3px solid rgba(255, 107, 157, 0.5);
    overflow: hidden;
    position: relative;
    animation: modalSlideIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from { 
        transform: scale(0.7) translateY(-50px);
        opacity: 0;
    }
    to { 
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.image-modal-header {
    background: rgba(255, 107, 157, 0.1);
    padding: 20px;
    border-bottom: 2px solid rgba(255, 107, 157, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-image-title {
    font-family: 'Fredoka One', cursive;
    color: #ff6b9d;
    font-size: 1.5rem;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.close-image-modal {
    color: #ffffff;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.close-image-modal:hover {
    color: #ff6b9d;
    background: rgba(255, 107, 157, 0.2);
    transform: scale(1.1);
}

.image-modal-body {
    display: flex;
    flex-direction: column;
    max-height: 70vh;
}

.modal-image {
    width: 100%;
    max-height: 50vh;
    object-fit: contain;
    border-bottom: 2px solid rgba(255, 107, 157, 0.2);
}

.image-modal-info {
    padding: 25px;
    max-height: 20vh;
    overflow-y: auto;
}

.image-source {
    color: #ffd93d;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(255, 217, 61, 0.1);
    border-radius: 10px;
    border-left: 4px solid #ffd93d;
}

.image-description {
    color: #ffffff;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1rem;
}

.image-modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.image-modal-actions .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Fun Facts */
.fun-facts {
    margin: 50px 0;
}

.facts-title {
    font-family: 'Fredoka One', cursive;
    color: #c4b5fd;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.fact-card {
    background: rgba(26, 26, 46, 0.8);
    border-radius: 15px;
    padding: 25px;
    border: 2px solid rgba(196, 181, 253, 0.3);
    text-align: center;
    transition: all 0.3s ease;
}

.fact-card:hover {
    transform: translateY(-5px);
    border-color: rgba(196, 181, 253, 0.6);
    box-shadow: 0 15px 30px rgba(196, 181, 253, 0.2);
}

.fact-emoji {
    font-size: 2.5rem;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

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

.fact-card h4 {
    color: #c4b5fd;
    font-family: 'Fredoka One', cursive;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

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


.education-actions {
    text-align: center;
    margin-top: 50px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.video-controls {
    text-align: center;
    margin-top: 30px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design for Education Section */
@media (max-width: 768px) {
    .concept-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .concept-card {
        padding: 20px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .gallery-item {
        padding: 15px;
    }
    
    .gallery-image {
        height: 180px;
    }
    
    .image-title {
        font-size: 1.1rem;
    }
    
    .image-modal-content {
        max-width: 95vw;
        max-height: 95vh;
        margin: 10px;
    }
    
    .image-modal-header {
        padding: 15px;
    }
    
    .modal-image-title {
        font-size: 1.2rem;
    }
    
    .image-modal-body {
        max-height: 75vh;
    }
    
    .modal-image {
        max-height: 40vh;
    }
    
    .image-modal-info {
        padding: 15px;
        max-height: 35vh;
    }
    
    .image-modal-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .image-modal-actions .btn {
        width: 100%;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .education-actions,
    .video-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .education-actions .btn,
    .video-controls .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Floating eBook Button Mobile */
    .floating-ebook-btn {
        position: fixed;
        top: auto;
        bottom: 20px;
        right: 20px;
        z-index: 1000;
    }
    
    .book-button {
        width: 65px;
        height: 80px;
    }
    
    .book-spine {
        width: 8px;
        height: 80px;
    }
    
    .book-cover {
        left: 6px;
        width: 57px;
        height: 80px;
    }
    
    .book-pages {
        left: 8px;
        width: 55px;
        height: 76px;
    }
    
    .ebook-tooltip {
        bottom: 75px;
        font-size: 0.6rem;
    }
    
    /* Floating Audiobook Button Mobile */
    .floating-audiobook-btn {
        position: fixed;
        top: auto;
        bottom: 20px;
        left: 20px;
        z-index: 1000;
    }
    
    .audiobook-button {
        width: 65px;
        height: 80px;
    }
    
    .audiobook-speaker {
        width: 8px;
        height: 80px;
    }
    
    .audiobook-cover {
        left: 6px;
        width: 57px;
        height: 80px;
    }
    
    .audiobook-waves {
        left: 8px;
        width: 55px;
        height: 76px;
    }
    
    .audiobook-tooltip {
        bottom: 75px;
        font-size: 0.6rem;
    }
    
    .audio-player-container {
        position: fixed;
        bottom: 120px;
        left: 20px;
        right: 20px;
        width: auto;
    }
    
    .audio-player-container audio {
        width: 100%;
    }
}