/* =========================================================================
   EWTZero — Whitepaper
   Extensão do design system (css/style.css). Depende das variáveis de
   :root, de .animated-bg/.gradient-orb, .glass-card, .gradient-text e
   .btn-outline-glass já existentes — carregar este arquivo DEPOIS de
   css/style.css. Autossuficiente: não depende de css/dev-portal.css.
   ========================================================================= */

/* ---- Barra de progresso de leitura ---- */
.wp-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-pink));
    z-index: 1100;
    transition: width 0.1s ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .wp-progress {
        transition: none;
    }
}

/* ---- Cabeçalho (logo + tagline + ações) ---- */
.wp-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    /* margin-bottom: 4rem; */
    /* position: sticky;
    top: 0;
    z-index: 500; */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 1.15rem clamp(1.25rem, 5vw, 4rem);
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.wp-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.wp-brand-logo {
    width: 2.4rem;
    height: auto;
    margin: 0;
}

.wp-brand-name {
    font-size: 1.2rem;
    display: block;
    line-height: 1.25;
}

.wp-brand-tagline {
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin: 0;
}

.wp-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.wp-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.25s ease;
}

.wp-back-link:hover,
.wp-back-link:focus-visible {
    color: var(--text-primary);
}

.wp-header-actions .btn-outline-glass:focus-visible,
.wp-back-link:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 3px;
    border-radius: 8px;
}

/* ---- Corpo do documento ---- */
.wp-doc {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 1.5rem auto;
    padding: clamp(2.5rem, 6vw, 5rem) clamp(1.25rem, 5vw, 2rem) 6rem;
}

/* ---- Capa ---- */
.wp-cover {
    text-align: center;
    margin-bottom: 4rem;
}

.wp-eyebrow {
    display: inline-block;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.wp-title {
    font-size: clamp(1.9rem, 4.5vw, 2.75rem);
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.25;
    margin-bottom: 1.25rem;
}

.wp-lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 1.75rem;
    line-height: 1.7;
}

.wp-divider {
    width: 120px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-pink));
    margin: 0 auto 1.75rem;
}

.wp-muted {
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 620px;
    margin: 0 auto;
}

/* ---- Seções numeradas ---- */
.wp-section {
    margin-top: 4.5rem;
    scroll-margin-top: 6rem;
    /* compensa o header sticky ao navegar por âncora */
}

.wp-section-title {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 1.5rem;
}

.wp-section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #000;
    font-size: 0.9rem;
    font-weight: 800;
    flex-shrink: 0;
}

.wp-card p {
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 1rem;
}

.wp-card p:last-child {
    margin-bottom: 0;
}

.wp-lead-text {
    color: var(--text-primary) !important;
    font-size: 1.05rem;
}

/* ---- Sumário ---- */
.wp-toc {
    counter-reset: wp-toc-counter;
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.wp-toc li {
    counter-increment: wp-toc-counter;
}

.wp-toc a {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.9rem 1.1rem;
    border-radius: 14px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.25s ease;
}

.wp-toc a::before {
    content: counter(wp-toc-counter, decimal-leading-zero);
    color: var(--accent-cyan);
    font-weight: 800;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.wp-toc a:hover,
.wp-toc a:focus-visible {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    transform: translateX(4px);
}

.wp-toc a:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* ---- Grid de destaques (Missão/Visão/Valores/Filosofia e Soluções) ---- */
.wp-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.wp-feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.wp-feature-card:hover {
    border-color: rgba(0, 255, 245, 0.3);
    transform: translateY(-4px);
}

.wp-feature-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.wp-feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
}

/* ---- Rodapé ---- */
.wp-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2.5rem 1.5rem 3rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--glass-border);
}

/* ---- Responsivo ---- */
@media (max-width: 576px) {
    .wp-header {
        padding: 1rem 1.25rem;
    }

    .wp-header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .wp-brand-tagline {
        display: none;
    }

    .wp-section-title {
        font-size: 1.35rem;
    }
}

/* =========================================================================
   IMPRESSÃO / "Baixar PDF"
   O tema escuro é ótimo na tela, mas desperdiça tinta e reduz contraste no
   papel — a versão impressa usa fundo claro dedicado, independente do tema
   da tela, mantendo a paginação A4 que já existia no arquivo original.
   ========================================================================= */
@media print {

    .wp-progress,
    .wp-header,
    .animated-bg {
        display: none !important;
    }

    body {
        background: #ffffff !important;
        color: #111827 !important;
    }

    .wp-doc {
        max-width: 100%;
        padding: 0;
    }

    .wp-cover,
    .wp-section {
        page-break-inside: avoid;
    }

    .glass-card,
    .wp-feature-card,
    .wp-toc a {
        background: #ffffff !important;
        border: 1px solid #d1d5db !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
    }

    .wp-card p,
    .wp-feature-card p,
    .wp-muted,
    .wp-lead,
    .wp-toc a,
    .wp-eyebrow {
        color: #374151 !important;
    }

    .wp-title,
    .wp-section-title,
    .wp-feature-card h3,
    .wp-lead-text,
    .wp-brand-name {
        color: #000000 !important;
    }

    .gradient-text {
        -webkit-text-fill-color: initial !important;
        background: none !important;
        color: #111827 !important;
    }

    .wp-section-number,
    .wp-toc a::before {
        color: #111827;
    }

    .wp-section-number {
        background: #111827 !important;
        color: #ffffff !important;
    }

    .wp-divider {
        background: #111827 !important;
    }

    a {
        text-decoration: none !important;
        color: inherit !important;
    }

    .wp-footer {
        border-top-color: #d1d5db;
        color: #6b7280;
    }

    @page {
        size: A4 portrait;
        margin: 18mm;
    }
}