/* ================================
   RESET PRIMAL - CAPÍTULOS STYLES
   EXPERIÊNCIA IMERSIVA COMPLETA
   ================================ */

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

:root {
    --primal-green-neon: #00FF7F;
    --primal-green: #10D96D;
    --primal-green-light: #6EFFA3;
    --primal-dark-green: #0A4D2E;
    --primal-teal: #1B5E47;
    --primal-black: #0D0D0D;
    --primal-charcoal: #1A1A1A;
    --primal-white: #FFFFFF;
    --primal-gray-light: #D4D4D4;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(180deg, 
        var(--primal-black) 0%, 
        var(--primal-teal) 35%, 
        var(--primal-dark-green) 65%, 
        var(--primal-black) 100%
    );
    background-attachment: fixed;
    color: var(--primal-white);
    line-height: 1.8;
    min-height: 100vh;
}

/* NAVEGAÇÃO FIXA */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 255, 127, 0.2);
    border-bottom: 1px solid rgba(0, 255, 127, 0.3);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-button {
    text-decoration: none;
    color: var(--primal-green-neon);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    padding: 8px 20px;
    border: 2px solid var(--primal-green-neon);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: var(--primal-green-neon);
    color: var(--primal-black);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 255, 127, 0.4);
}

.nav-chapter {
    color: var(--primal-white);
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    opacity: 0.9;
}

.nav-progress {
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-text {
    color: var(--primal-green-light);
    font-size: 12px;
    font-family: 'Montserrat', sans-serif;
}

.progress-bar {
    width: 150px;
    height: 6px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primal-green) 0%, var(--primal-green-neon) 100%);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 127, 0.6);
}

/* ABERTURA DO CAPÍTULO */
.chapter-intro {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 30px 60px;
    position: relative;
    overflow: hidden;
}

.chapter-intro::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 40%, rgba(0, 255, 127, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(0, 255, 127, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.chapter-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: clamp(80px, 15vw, 150px);
    color: rgba(0, 255, 127, 0.2);
    line-height: 1;
    margin-bottom: -40px;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 50px rgba(0, 255, 127, 0.3);
}

.chapter-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: clamp(28px, 6vw, 56px);
    color: var(--primal-white);
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(0, 255, 127, 0.6);
    position: relative;
    z-index: 1;
    line-height: 1.2;
    max-width: 900px;
    padding: 0 20px;
}

/* CONTAINER DE CONTEÚDO */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 30px 80px;
}

/* CONTEÚDO DO CAPÍTULO - ESTILO PRIMAL */
.chapter-content {
    background: rgba(13, 13, 13, 0.6);
    backdrop-filter: blur(10px);
    padding: 60px 50px;
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 127, 0.2);
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* TÍTULOS DENTRO DO CONTEÚDO */
.chapter-content h1,
.chapter-content h2 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: clamp(24px, 4vw, 36px);
    color: var(--primal-green-neon);
    margin: 50px 0 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0, 255, 127, 0.3);
    text-shadow: 0 0 20px rgba(0, 255, 127, 0.4);
}

.chapter-content h1:first-child,
.chapter-content h2:first-child {
    margin-top: 0;
}

.chapter-content h1::before,
.chapter-content h2::before {
    content: '▸';
    color: var(--primal-green-neon);
    margin-right: 12px;
    font-size: 0.9em;
}

.chapter-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: clamp(20px, 3vw, 28px);
    color: var(--primal-green-light);
    margin: 40px 0 20px;
}

.chapter-content h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--primal-white);
    margin: 30px 0 15px;
    opacity: 0.95;
}

/* PARÁGRAFOS */
.chapter-content p {
    font-size: clamp(16px, 2vw, 19px);
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    text-align: left;
}

.chapter-content p strong {
    color: var(--primal-green-light);
    font-weight: 700;
}

.chapter-content p em {
    color: var(--primal-green-light);
    font-style: italic;
}

/* LISTAS */
.chapter-content ul,
.chapter-content ol {
    margin: 30px 0;
    padding-left: 35px;
}

.chapter-content ul li,
.chapter-content ol li {
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.9;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.chapter-content ul li::marker {
    color: var(--primal-green-neon);
    font-weight: 700;
    font-size: 1.2em;
}

.chapter-content ol li::marker {
    color: var(--primal-green-neon);
    font-weight: 700;
}

/* CITAÇÕES */
.chapter-content blockquote {
    border-left: 5px solid var(--primal-green-neon);
    padding: 30px 35px;
    margin: 40px 0;
    background: rgba(0, 255, 127, 0.08);
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: var(--primal-green-light);
    font-size: clamp(17px, 2.5vw, 20px);
    box-shadow: 0 4px 20px rgba(0, 255, 127, 0.15);
}

/* CÓDIGO */
.chapter-content code {
    background: rgba(0, 255, 127, 0.15);
    padding: 3px 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    color: var(--primal-green-neon);
    border: 1px solid rgba(0, 255, 127, 0.3);
}

.chapter-content pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 127, 0.3);
    overflow-x: auto;
    margin: 30px 0;
}

.chapter-content pre code {
    background: transparent;
    border: none;
    padding: 0;
}

/* TABELAS */
.chapter-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 35px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 255, 127, 0.15);
}

.chapter-content table th {
    background: linear-gradient(135deg, var(--primal-green) 0%, var(--primal-green-neon) 100%);
    color: var(--primal-black);
    padding: 18px;
    text-align: left;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 16px;
}

.chapter-content table td {
    padding: 15px 18px;
    border-bottom: 1px solid rgba(0, 255, 127, 0.15);
    color: rgba(255, 255, 255, 0.9);
    background: rgba(0, 0, 0, 0.3);
}

.chapter-content table tr:nth-child(even) td {
    background: rgba(0, 255, 127, 0.05);
}

.chapter-content table tr:hover td {
    background: rgba(0, 255, 127, 0.1);
}

/* LINHA HORIZONTAL */
.chapter-content hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primal-green-neon) 50%, transparent 100%);
    margin: 50px 0;
    box-shadow: 0 0 15px rgba(0, 255, 127, 0.4);
}

/* NAVEGAÇÃO ENTRE CAPÍTULOS */
.chapter-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(0, 255, 127, 0.2);
    gap: 20px;
}

.nav-chapter-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 35px;
    background: linear-gradient(135deg, var(--primal-green) 0%, var(--primal-green-neon) 100%);
    color: var(--primal-black);
    text-decoration: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 255, 127, 0.3);
}

.nav-chapter-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(0, 255, 127, 0.5);
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .nav-bar {
        flex-direction: column;
        gap: 12px;
        padding: 15px;
    }

    .nav-progress {
        width: 100%;
    }

    .progress-bar {
        flex: 1;
    }

    .container {
        padding: 100px 20px 60px;
    }

    .chapter-intro {
        padding: 100px 20px 50px;
    }

    .chapter-content {
        padding: 40px 25px;
    }

    .chapter-navigation {
        flex-direction: column;
    }

    .nav-chapter-btn {
        width: 100%;
        justify-content: center;
    }
}

/* EFEITO DE FUNDO SUTIL */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 127, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 127, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ANIMAÇÃO DE ENTRADA */
.chapter-content {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}