:root {
    --dark-blue: #0a192f;
    --medium-blue: #172a45;
    --light-blue: #64ffda;
    --text-color: #ccd6f6;
    --highlight: #1e90ff;
    --guitar-brown: #8B4513;
    --guitar-yellow: #FFD700;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--dark-blue);
    color: var(--text-color);
    line-height: 1.6;
    background-image: url('images/background.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    background-blend-mode: overlay;
    background-color: rgba(10, 25, 47, 0.9);
}

/* Header melhorado com efeito de palco */
header {
    background: linear-gradient(135deg, var(--dark-blue) 0%, rgba(23, 42, 69, 0.9) 100%);
    text-align: center;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--light-blue);
}

/* Efeito de cordas de guitarra animadas */
.guitar-strings {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        to bottom,
        transparent,
        transparent 20px,
        rgba(100, 255, 218, 0.3) 20px,
        rgba(100, 255, 218, 0.3) 21px
    );
    pointer-events: none;
    animation: string-vibration 3s ease-in-out infinite;
}

@keyframes string-vibration {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(2px); }
}

header h1 {
    font-family: 'Roboto Slab', serif;
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--light-blue);
    text-shadow: 0 0 10px rgba(100, 255, 218, 0.5);
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

header p {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Navegação estilizada como trastes de guitarra */
nav {
    background: linear-gradient(to right, 
        var(--medium-blue) 0%, 
        #1a3155 50%, 
        var(--medium-blue) 100%);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-top: 2px solid var(--guitar-brown);
    border-bottom: 2px solid var(--guitar-brown);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
}

nav li {
    margin: 0 1.8rem;
    position: relative;
}

nav li::after {
    content: '';
    position: absolute;
    right: -1.8rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 20px;
    background: linear-gradient(to bottom, 
        transparent 0%, 
        var(--guitar-yellow) 50%, 
        transparent 100%);
}

nav li:last-child::after {
    display: none;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

nav a:hover {
    color: var(--light-blue);
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

nav i {
    margin-right: 0.7rem;
    font-size: 1.2rem;
}

/* Seções com efeito de palco */
section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, 
        transparent 0%, 
        var(--light-blue) 50%, 
        transparent 100%);
}

h2 {
    font-family: 'Roboto Slab', serif;
    color: var(--light-blue);
    margin-bottom: 3rem;
    text-align: center;
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, 
        transparent 0%, 
        var(--light-blue) 50%, 
        transparent 100%);
}

h2 i {
    margin-right: 1rem;
    color: var(--highlight);
}

/* Hero section melhorada */
#hero {
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    animation: fadeInDown 1s ease;
}

.hero-content p {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    animation: fadeIn 1.5s ease;
}

/* Animação da guitarra aprimorada */
.guitar-animation {
    margin: 3rem auto;
    position: relative;
    width: 250px;
    height: 180px;
    animation: float 3s ease-in-out infinite;
}

.guitar-body {
    width: 250px;
    height: 150px;
    background-color: transparent;
    border: 4px solid var(--light-blue);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: relative;
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.guitar-body::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--light-blue);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.guitar-neck {
    width: 25px;
    height: 180px;
    background: linear-gradient(to right, 
        var(--guitar-brown) 0%, 
        #6B3100 50%, 
        var(--guitar-brown) 100%);
    position: absolute;
    top: -180px;
    left: 113px;
    border-radius: 8px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
}

.guitar-neck::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--guitar-yellow);
    top: 30%;
    left: 0;
}

.guitar-neck::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--guitar-yellow);
    top: 60%;
    left: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Álbum de fotos aprimorado */
.photo-album {
    background-color: rgba(23, 42, 69, 0.9);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.photo-frame {
    background-color: var(--dark-blue);
    border: 2px solid var(--light-blue);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    position: relative;
}

.photo-frame:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 35px rgba(100, 255, 218, 0.2);
    border-color: var(--highlight);
}

.photo-frame img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: all 0.5s ease;
    filter: brightness(0.9);
}

.photo-frame:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.photo-caption {
    padding: 1.2rem;
    text-align: center;
    font-weight: bold;
    background: linear-gradient(to right, 
        var(--medium-blue) 0%, 
        #1a3155 100%);
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border-top: 1px solid rgba(100, 255, 218, 0.3);
}

.photo-frame:hover .photo-caption {
    background: linear-gradient(to right, 
        var(--highlight) 0%, 
        #1a7cff 100%);
    color: var(--dark-blue);
}

/* Efeito de luz no hover */
.photo-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, 
        transparent 0%, 
        rgba(100, 255, 218, 0.15) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.photo-frame:hover::before {
    opacity: 1;
}

/* Paginação para o álbum */
.album-pagination {
    display: flex;
    justify-content: center;
    margin-top: 4rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-btn {
    background-color: var(--medium-blue);
    color: var(--text-color);
    border: 1px solid var(--light-blue);
    padding: 0.7rem 1.3rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    min-width: 45px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.page-btn:hover {
    background-color: var(--light-blue);
    color: var(--dark-blue);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.3);
}

.page-btn.active {
    background-color: var(--light-blue);
    color: var(--dark-blue);
    font-weight: bold;
    border-color: var(--highlight);
    box-shadow: 0 0 0 2px var(--highlight);
    transform: translateY(-3px);
}

/* Seção da carta melhorada */
.letter {
    position: relative;
    background: linear-gradient(135deg, 
        rgba(10, 25, 47, 0.95) 0%, 
        rgba(15, 30, 55, 0.95) 100%);
    border-radius: 15px;
    padding: 4rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(100, 255, 218, 0.2);
    overflow: hidden;
}

.letter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%2364ffda" fill-opacity="0.03" d="M30,10 Q50,5 70,10 Q95,15 90,40 Q85,65 70,80 Q50,95 30,80 Q15,65 10,40 Q5,15 30,10 Z"/></svg>');
    background-size: 200px;
    opacity: 0.5;
}

.letter-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.letter-content p {
    margin-bottom: 1.8rem;
    text-align: justify;
    hyphens: auto;
}

.signature {
    font-family: 'Dancing Script', cursive;
    font-size: 2rem;
    color: var(--light-blue);
    text-align: right;
    margin-top: 3rem;
    text-shadow: 0 0 5px rgba(100, 255, 218, 0.5);
}

.guitar-doodle {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 120px;
    height: 120px;
    background-image: url('images/guitar-icon.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    animation: float 4s ease-in-out infinite;
}

/* Seção musical aprimorada */
.music-section {
    text-align: center;
    background: linear-gradient(135deg, 
        rgba(23, 42, 69, 0.9) 0%, 
        rgba(28, 47, 74, 0.9) 100%);
    border-radius: 15px;
    padding: 4rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.music-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.music-content p {
    margin-bottom: 3rem;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--light-blue);
}

/* Vinil animado melhorado */
.vinyl-record {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 3rem auto;
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
}

.vinyl {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at center, 
            #222 0%, 
            #000 70%),
        repeating-radial-gradient(circle at center, 
            transparent 0%, 
            transparent 3%, 
            rgba(255,255,255,0.1) 3%, 
            rgba(255,255,255,0.1) 4%);
    position: relative;
    animation: spin 8s linear infinite;
}

.vinyl::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: 
        radial-gradient(circle at center, 
            transparent 40%, 
            rgba(255,255,255,0.05) 40%, 
            rgba(255,255,255,0.05) 42%, 
            transparent 42%),
        linear-gradient(45deg, 
            transparent 45%, 
            rgba(255,255,255,0.1) 45%, 
            rgba(255,255,255,0.1) 55%, 
            transparent 55%),
        linear-gradient(-45deg, 
            transparent 45%, 
            rgba(255,255,255,0.1) 45%, 
            rgba(255,255,255,0.1) 55%, 
            transparent 55%);
}

.vinyl-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-color: var(--light-blue);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 10px rgba(100, 255, 218, 0.5);
    z-index: 2;
}

.vinyl-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: var(--highlight);
    border-radius: 50%;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.8rem;
    text-transform: uppercase;
}

/* Footer melhorado */
footer {
    background: linear-gradient(to right, 
        var(--dark-blue) 0%, 
        #0e1f3a 100%);
    text-align: center;
    padding: 3rem 0;
    margin-top: 5rem;
    border-top: 1px solid rgba(100, 255, 218, 0.3);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, 
        transparent 0%, 
        var(--light-blue) 50%, 
        transparent 100%);
}

footer p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-guitars {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-guitars i {
    color: var(--light-blue);
    font-size: 2rem;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.footer-guitars i:nth-child(1) { animation-delay: 0s; }
.footer-guitars i:nth-child(2) { animation-delay: 0.5s; }
.footer-guitars i:nth-child(3) { animation-delay: 1s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

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

@keyframes fadeInDown {
    from { 
        opacity: 0; 
        transform: translate(-50%, -20px);
    }
    to { 
        opacity: 1; 
        transform: translate(-50%, 0);
    }
}

/* Responsividade */
@media (max-width: 1024px) {
    .album-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .letter {
        padding: 3rem;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }
    
    nav li {
        margin: 0 1rem;
    }
    
    nav li::after {
        right: -1rem;
    }
    
    section {
        padding: 4rem 1.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .album-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1.8rem;
    }
    
    .photo-frame img {
        height: 220px;
    }
    
    .letter {
        padding: 2.5rem 1.5rem;
    }
    
    .music-section {
        padding: 3rem 1.5rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 2rem 1rem;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    header p {
        font-size: 1.1rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    nav li {
        margin: 0.3rem 0;
    }
    
    nav li::after {
        display: none;
    }
    
    .album-grid {
        grid-template-columns: 1fr;
    }
    
    .guitar-animation {
        width: 180px;
        height: 130px;
    }
    
    .guitar-body {
        width: 180px;
        height: 110px;
    }
    
    .guitar-neck {
        width: 20px;
        height: 130px;
        left: 80px;
        top: -130px;
    }
    
    .vinyl-record {
        width: 200px;
        height: 200px;
    }
    /* Efeito de confete */
.confetti {
    position: fixed;
    top: -10px;
    width: 10px;
    height: 10px;
    opacity: 1;
    z-index: 9999;
}

@keyframes confetti-fall {
    to {
        top: 100vh;
        transform: rotate(720deg);
        opacity: 0;
    }
}

/* Efeito de carregamento */
.photo-frame img {
    transition: opacity 0.5s ease;
    opacity: 0;
}

.photo-frame img.loaded {
    opacity: 1;
}

/* Menu ativo */
nav a.active {
    color: var(--light-blue) !important;
    background-color: rgba(100, 255, 218, 0.1) !important;
    box-shadow: 0 0 10px rgba(100, 255, 218, 0.3);
}

/* Disco de vinil pausado */
.vinyl.paused {
    animation-play-state: paused;
}

/* Transição de entrada */
body:not(.loaded) #hero,
body:not(.loaded) section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

body.loaded #hero,
body.loaded section {
    opacity: 1;
    transform: translateY(0);
}
}