/* ==========================================================================
   Estilos Gerais (Body e Base)
   ========================================================================== */
body {
    background: #1A2525;
    color: #F5F5F5;
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    overflow: hidden;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==========================================================================
   Transição de Página
   ========================================================================== */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1A2525;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-in-out;
}

.page-transition.fade-in {
    opacity: 1;
    pointer-events: auto;
}

.page-transition.fade-out {
    opacity: 0;
}

/* ==========================================================================
   Animação de Fundo
   ========================================================================== */
.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0;
    transform: scale(1.15);
    animation: 
        driftZoom 54s infinite linear,
        fadeLoop 18s infinite ease-in-out;
}

/* Delays para sincronização */
#bg-image1 { animation-delay: 0s, 0s; }
#bg-image2 { animation-delay: -6s, -9s; }
#bg-image3 { animation-delay: -12s, -18s; }

@keyframes fadeLoop {
    0% { opacity: 0; }
    5% { opacity: 0.4; }
    15% { opacity: 1; }
    35% { opacity: 1; }
    50% { opacity: 0.7; }
    65% { opacity: 0.3; }
    80% { opacity: 0; }
    100% { opacity: 0; }
}

#bg-image1 {
    animation: 
        fadeLoop 18s 0s infinite ease-in-out,
        driftZoom 54s linear infinite;
}

#bg-image2 {
    animation: 
        fadeLoop 18s -6s infinite ease-in-out,
        driftZoom 54s linear reverse infinite;
}

#bg-image3 {
    animation: 
        fadeLoop 18s -12s infinite ease-in-out,
        driftZoom 54s linear alternate infinite;
}

@keyframes driftZoom {
    0% { transform: scale(1.15) translate(0,0) rotate(0deg); }
    25% { transform: scale(1.20) translate(2%,1%) rotate(1deg); }
    50% { transform: scale(1.23) translate(-1%,-1.5%) rotate(-0.5deg); }
    75% { transform: scale(1.18) translate(1.5%,0.8%) rotate(0.7deg); }
    100% { transform: scale(1.15) translate(0,0) rotate(0deg); }
}

/* ==========================================================================
   Navegação (nav-flow)
   ========================================================================== */
.nav-flow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.nav-flow a {
    position: absolute;
    color: #F5F5F5;
    text-decoration: none;
    font-size: 1.3em;
    font-weight: 300;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.01);
    border-radius: 15% 40% 25% 55%;
    transition: all 0.5s ease;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.01);
    white-space: nowrap;
}

.nav-flow a:hover {
    color: #FFD700;
    background: rgba(0, 0, 0, 0.02);
}

/* ==========================================================================
   Links Flutuantes
   ========================================================================== */
.floating-text {
    position: absolute;
    color: #F5F5F5;
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5em;
    font-weight: 300;
    z-index: 10;
    background: rgba(0, 0, 0, 0.01);
    padding: 8px 12px;
    border-radius: 15% 40% 25% 55%;
    transition: color 0.5s ease, background 0.5s ease;
}

.floating-text:hover {
    color: #FFD700;
    background: rgba(0, 0, 0, 0.02);
}

.poetica-link {
    font-size: 1.5em;
}

.floating-text.chaos8 { animation: subtleChaos8 100s infinite ease-in-out; }
.floating-text.poetica-link.chaos9 { animation: subtleChaos9 96s infinite ease-in-out; }

/* ==========================================================================
   Animações de Navegação
   ========================================================================== */
@keyframes chaos1 {
    0% { top: 15%; left: 25%; transform: rotate(0deg); }
    20% { top: 40%; left: 60%; transform: rotate(20deg); }
    40% { top: 70%; left: 20%; transform: rotate(-15deg); }
    60% { top: 30%; left: 10%; transform: rotate(10deg); }
    80% { top: 50%; left: 50%; transform: rotate(-5deg); }
    100% { top: 15%; left: 25%; transform: rotate(0deg); }
}

@keyframes chaos2 {
    0% { top: 35%; right: 20%; transform: rotate(0deg); }
    20% { top: 60%; right: 50%; transform: rotate(-25deg); }
    40% { top: 20%; right: 10%; transform: rotate(15deg); }
    60% { top: 50%; right: 30%; transform: rotate(-10deg); }
    80% { top: 10%; right: 60%; transform: rotate(20deg); }
    100% { top: 35%; right: 20%; transform: rotate(0deg); }
}

@keyframes chaos3 {
    0% { bottom: 25%; right: 15%; transform: rotate(0deg); }
    20% { bottom: 50%; right: 40%; transform: rotate(10deg); }
    40% { bottom: 10%; right: 60%; transform: rotate(-20deg); }
    60% { bottom: 70%; right: 20%; transform: rotate(15deg); }
    80% { bottom: 30%; right: 10%; transform: rotate(-5deg); }
    100% { bottom: 25%; right: 15%; transform: rotate(0deg); }
}

@keyframes chaos4 {
    0% { bottom: 20%; left: 30%; transform: rotate(0deg); }
    20% { bottom: 60%; left: 10%; transform: rotate(-15deg); }
    40% { bottom: 40%; left: 50%; transform: rotate(25deg); }
    60% { bottom: 10%; left: 70%; transform: rotate(-10deg); }
    80% { bottom: 50%; left: 20%; transform: rotate(20deg); }
    100% { bottom: 20%; left: 30%; transform: rotate(0deg); }
}

@keyframes chaos5 {
    0% { top: 30%; left: 10%; transform: rotate(0deg); }
    20% { top: 10%; left: 50%; transform: rotate(20deg); }
    40% { top: 60%; left: 70%; transform: rotate(-25deg); }
    60% { top: 40%; left: 30%; transform: rotate(15deg); }
    80% { top: 70%; left: 20%; transform: rotate(-10deg); }
    100% { top: 30%; left: 10%; transform: rotate(0deg); }
}

@keyframes chaos6 {
    0% { top: 25%; left: 35%; transform: rotate(0deg); }
    20% { top: 50%; left: 15%; transform: rotate(-20deg); }
    40% { top: 65%; left: 55%; transform: rotate(15deg); }
    60% { top: 20%; left: 65%; transform: rotate(-15deg); }
    80% { top: 45%; left: 25%; transform: rotate(10deg); }
    100% { top: 25%; left: 35%; transform: rotate(0deg); }
}

@keyframes chaos7 {
    0% { bottom: 30%; left: 20%; transform: rotate(0deg); }
    20% { bottom: 45%; left: 60%; transform: rotate(25deg); }
    40% { bottom: 15%; left: 30%; transform: rotate(-10deg); }
    60% { bottom: 60%; left: 10%; transform: rotate(20deg); }
    80% { bottom: 25%; left: 50%; transform: rotate(-5deg); }
    100% { bottom: 30%; left: 20%; transform: rotate(0deg); }
}

@keyframes chaos8 {
    0% { top: 10%; left: 5%; transform: rotate(0deg); }
    20% { top: 30%; left: 20%; transform: rotate(15deg); }
    40% { top: 50%; left: 10%; transform: rotate(-10deg); }
    60% { top: 20%; left: 30%; transform: rotate(20deg); }
    80% { top: 40%; left: 15%; transform: rotate(-5deg); }
    100% { top: 10%; left: 5%; transform: rotate(0deg); }
}

@keyframes chaos9 {
    0% { bottom: 10%; right: 5%; transform: rotate(0deg); }
    20% { bottom: 30%; right: 20%; transform: rotate(-15deg); }
    40% { bottom: 50%; right: 10%; transform: rotate(20deg); }
    60% { bottom: 20%; right: 30%; transform: rotate(-10deg); }
    80% { bottom: 40%; right: 15%; transform: rotate(15deg); }
    100% { bottom: 10%; right: 5%; transform: rotate(0deg); }
}

@keyframes subtleChaos8 {
    0% { top: 10%; left: 5%; transform: rotate(0deg); }
    20% { top: 12%; left: 7%; transform: rotate(5deg); }
    40% { top: 14%; left: 6%; transform: rotate(-3deg); }
    60% { top: 11%; left: 8%; transform: rotate(4deg); }
    80% { top: 13%; left: 6%; transform: rotate(-2deg); }
    100% { top: 10%; left: 5%; transform: rotate(0deg); }
}

@keyframes subtleChaos9 {
    0% { bottom: 10%; right: 5%; transform: rotate(0deg); }
    20% { bottom: 12%; right: 7%; transform: rotate(-5deg); }
    40% { bottom: 14%; right: 6%; transform: rotate(4deg); }
    60% { bottom: 11%; right: 8%; transform: rotate(-3deg); }
    80% { bottom: 13%; right: 6%; transform: rotate(2deg); }
    100% { bottom: 10%; right: 5%; transform: rotate(0deg); }
}

/* ==========================================================================
   Pop-ups
   ========================================================================== */
.exercicio-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.exercicio-popup.active {
    opacity: 1;
}

.exercicio-popup-content {
    position: relative;
    background: rgba(26, 37, 37, 0.3);
    padding: 2rem;
    border-radius: 12px;
    width: 85%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
}

.exercicio-popup.active .exercicio-popup-content {
    opacity: 1;
    transform: scale(1);
}

.exercicio-popup-content h3 {
    font-size: 1.8em;
    font-weight: 400;
    margin: 0 0 1rem;
}

.exercicio-text-line {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    font-size: 1.2em;
    font-weight: 300;
    line-height: 1.6;
    margin: 1rem 0;
}

.exercicio-popup.active .exercicio-text-line {
    opacity: 1;
    transform: translateY(0);
}

.poetica-popup-content {
    width: 70%;
    max-width: 700px;
    text-align: center;
}

/* ==========================================================================
   Palavras Flutuantes (word-sea)
   ========================================================================== */
.word-sea {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
    box-sizing: border-box;
}

.word {
    position: absolute;
    white-space: nowrap;
    opacity: 0.7;
    transform-origin: center;
    will-change: transform;
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
}

.word.entering {
    opacity: 0;
    transition: opacity 4s ease-in-out;
}

.word.entering:not(.exiting) {
    opacity: 0.7;
}

.word.exiting {
    opacity: 0;
    transition: opacity 4s ease-out;
}

@keyframes wave {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(15px, -10px) rotate(5deg); }
    50% { transform: translate(-10px, 15px) rotate(-5deg); }
    75% { transform: translate(10px, 10px) rotate(3deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

@keyframes wave2 {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-12px, 12px) rotate(-4deg); }
    50% { transform: translate(15px, -15px) rotate(6deg); }
    75% { transform: translate(-10px, -10px) rotate(-2deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}