/*
  ========================================
  PÁGINAS DE DETALHE DOS PROJETOS
  ========================================

  Usada apenas pelos arquivos em `projetos/`. Carrega depois de style.css,
  de onde herda a fonte, o reset e as variáveis --primary/--secondary.
*/

:root {
    --pd-bg: #0f1419;
    --pd-surface: rgba(255, 255, 255, 0.03);
    --pd-surface-hover: rgba(255, 255, 255, 0.06);
    --pd-border: rgba(255, 255, 255, 0.08);
    --pd-text: #e5e7eb;
    --pd-text-secondary: #9ca3af;
    --pd-text-muted: #6b7280;
    --pd-primary: #2563eb;
    --pd-secondary: #7c3aed;
    --pd-radius: 0.75rem;
}

.pd-body {
    background: var(--pd-bg);
    color: var(--pd-text);
}

.pd-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Link de acessibilidade, visível só no foco por teclado */
.pd-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    padding: 0.75rem 1.25rem;
    background: var(--pd-primary);
    color: #fff;
    z-index: 100;
    border-radius: 0 0 var(--pd-radius) 0;
}

.pd-skip:focus {
    left: 0;
}

/* ==================== NAV ==================== */
.pd-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 1rem 0;
    background: rgba(15, 20, 25, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--pd-border);
}

.pd-nav .pd-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pd-back,
.pd-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--pd-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.pd-back:hover,
.pd-nav-link:hover {
    color: var(--pd-text);
}

/* ==================== HERO ==================== */
.pd-hero {
    padding: 3.5rem 0 2rem;
}

.pd-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(34, 197, 94, 0.35);
    border-radius: 9999px;
    background: rgba(34, 197, 94, 0.1);
    color: #86efac;
    font-size: 0.8125rem;
    font-weight: 600;
}

.pd-title {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--pd-primary), var(--pd-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pd-subtitle {
    font-size: 1.125rem;
    color: var(--pd-text-secondary);
    margin-bottom: 1.5rem;
}

.pd-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.pd-tag {
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--pd-border);
    border-radius: 9999px;
    background: var(--pd-surface);
    font-size: 0.8125rem;
    color: var(--pd-text-secondary);
}

.pd-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pd-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--pd-radius);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.pd-btn-primary {
    background: linear-gradient(135deg, var(--pd-primary), var(--pd-secondary));
    color: #fff;
    border: 1px solid transparent;
}

.pd-btn-secondary {
    background: transparent;
    color: var(--pd-text);
    border: 1px solid var(--pd-border);
}

.pd-btn:hover {
    transform: translateY(-2px);
}

.pd-btn-secondary:hover {
    background: var(--pd-surface-hover);
    border-color: var(--pd-primary);
}

.pd-btn:focus-visible {
    outline: 2px solid var(--pd-primary);
    outline-offset: 2px;
}

/* ==================== CONTEÚDO ==================== */
.pd-content {
    padding-bottom: 4rem;
}

.pd-image {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius);
    margin-bottom: 2rem;
}

/* Ficha técnica */
.pd-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1px;
    background: var(--pd-border);
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius);
    overflow: hidden;
    margin-bottom: 3rem;
}

.pd-fact {
    padding: 1rem 1.25rem;
    background: var(--pd-bg);
}

.pd-fact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--pd-text-muted);
    margin-bottom: 0.35rem;
}

.pd-fact-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--pd-text);
    margin: 0;
}

/* Seções */
.pd-section {
    margin-bottom: 3rem;
}

.pd-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--pd-text);
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--pd-border);
}

.pd-section p {
    color: var(--pd-text-secondary);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.pd-section strong {
    color: var(--pd-text);
    font-weight: 600;
}

.pd-section code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.875em;
    padding: 0.1rem 0.35rem;
    border-radius: 0.25rem;
    background: rgba(124, 58, 237, 0.12);
    color: #c4b5fd;
    word-break: break-word;
}

/* Camadas da arquitetura */
.pd-layers {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1.25rem;
    padding: 0;
}

.pd-layer {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--pd-surface);
    border: 1px solid var(--pd-border);
    border-radius: 0.5rem;
}

.pd-layer-name {
    flex-shrink: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.875rem;
    font-weight: 600;
    color: #93c5fd;
}

.pd-layer-desc {
    flex: 1 1 16rem;
    font-size: 0.9375rem;
    color: var(--pd-text-secondary);
    line-height: 1.6;
}

/* Passos do fluxo */
.pd-steps {
    counter-reset: pd-step;
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0;
}

.pd-steps li {
    counter-increment: pd-step;
    position: relative;
    padding: 0 0 1.35rem 2.75rem;
    color: var(--pd-text-secondary);
    line-height: 1.7;
}

.pd-steps li::before {
    content: counter(pd-step);
    position: absolute;
    left: 0;
    top: -0.1rem;
    width: 1.9rem;
    height: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pd-primary), var(--pd-secondary));
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 600;
}

/* Linha vertical ligando os passos */
.pd-steps li:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 0.94rem;
    top: 2.1rem;
    bottom: 0.35rem;
    width: 1px;
    background: var(--pd-border);
}

/* Listas de pontos fortes e limites */
.pd-list {
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0;
}

.pd-list li {
    position: relative;
    padding: 0 0 0.9rem 1.75rem;
    color: var(--pd-text-secondary);
    line-height: 1.7;
}

.pd-list li::before {
    position: absolute;
    left: 0;
    top: 0;
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.8125rem;
}

.pd-list-positive li::before {
    content: '\f058';
    /* circle-check */
    color: #4ade80;
}

.pd-list-caveat li::before {
    content: '\f06a';
    /* circle-exclamation */
    color: #fbbf24;
}

.pd-limits-intro {
    padding: 0.9rem 1.1rem;
    border-left: 3px solid #fbbf24;
    border-radius: 0 0.5rem 0.5rem 0;
    background: rgba(251, 191, 36, 0.07);
    font-size: 0.9375rem;
}

/* ==================== PAGINAÇÃO ==================== */
.pd-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--pd-border);
}

.pd-pager-link {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem 1.15rem;
    background: var(--pd-surface);
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius);
    text-decoration: none;
    transition: all 0.2s ease;
}

.pd-pager-link:hover {
    background: var(--pd-surface-hover);
    border-color: var(--pd-primary);
    transform: translateY(-2px);
}

.pd-pager-next {
    text-align: right;
}

.pd-pager-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--pd-text-muted);
}

.pd-pager-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pd-text);
}

/* ==================== FOOTER ==================== */
.pd-footer {
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--pd-border);
    text-align: center;
}

.pd-footer p {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    color: var(--pd-text-muted);
    font-size: 0.9375rem;
}

.pd-footer a {
    color: var(--pd-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.pd-footer a:hover {
    color: var(--pd-primary);
}

.pd-footer-copy {
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

/* ==================== RESPONSIVO ==================== */
@media (max-width: 640px) {
    .pd-hero {
        padding-top: 2.5rem;
    }

    .pd-pager {
        grid-template-columns: 1fr;
    }

    .pd-pager-next {
        text-align: left;
    }

    .pd-nav-link {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {

    .pd-btn,
    .pd-pager-link,
    .pd-back,
    .pd-nav-link,
    .pd-footer a {
        transition: none;
    }

    .pd-btn:hover,
    .pd-pager-link:hover {
        transform: none;
    }
}