/* ==========================================
   PÁGINA DO PROJETO LOTUS APP (lotus-app.html)
   Os estilos compartilhados ficam em css/global.css.
   ========================================== */

.section {
    border-bottom: 1px solid var(--border);
}

/* ==========================================
   HERO
   ========================================== */

.hero {
    position: relative;
    padding: 76px 0 70px;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

/* Brilho verde no canto superior direito */
.hero::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    right: -180px;
    top: -220px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 55px;
    align-items: center;
}

.hero-title {
    margin: 16px 0 22px;
    font-size: clamp(44px, 6vw, 76px);
    line-height: 1;
    letter-spacing: -4px;
}

.hero-title span {
    color: var(--accent);
}

.hero-lead {
    max-width: 680px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    margin-top: 28px;
}

/* Janela escura com o app rodando em loop */

.hero-visual {
    padding: 0 8px 8px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #0b0c0b;
    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.55),
        0 0 80px var(--accent-glow);
    cursor: pointer;
}

.hero-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 4px;
    color: var(--muted);
    font-size: 9px;
}

/* Ícone do app no canto da barra */
.hero-icon {
    width: 20px;
    height: 20px;
    border-radius: 5px;
}

/* "Em uso" com um ponto verde aceso */
.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-left: auto;
    color: var(--accent);
}

.hero-status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-strong);
}

.hero-video {
    display: block;
    width: 100%;
    aspect-ratio: 1920 / 1008;
    border-radius: 6px;
    background: #000;
}

.hero-hint {
    padding: 10px 4px 2px;
    color: var(--muted);
    font-size: 9px;
    transition: color 0.2s ease;
}

.hero-visual:hover .hero-hint {
    color: var(--accent);
}

@media (max-width: 850px) {
    .hero {
        padding: 55px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 600px) {
    .hero-title {
        letter-spacing: -2px;
    }
}

/* ==========================================
   VISÃO GERAL
   ========================================== */

.overview {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 45px;
    align-items: start;
}

.overview-copy .section-title {
    margin-bottom: 18px;
}

.overview-copy p:not(.section-label) {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.95;
}

.overview-copy p + p {
    margin-top: 14px;
}

.facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.fact {
    padding: 18px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.fact strong {
    display: block;
    margin-bottom: 7px;
    color: var(--accent);
    font-size: 13px;
}

.fact span {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.7;
}

@media (max-width: 850px) {
    .overview {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ==========================================
   ARQUITETURA
   ========================================== */

/* Fluxo de uma chamada, da interface ao banco */

.flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 34px;
    margin-bottom: 30px;
    list-style: none;
}

.flow-step {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 18px;
    border: 1px dashed var(--accent-muted);
    background:
        linear-gradient(var(--accent-faint) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-faint) 1px, transparent 1px),
        var(--bg-deep);
    background-size: 18px 18px;
}

/* Seta até a próxima camada */
.flow-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -26px;
    color: var(--accent);
    font-size: 18px;
    transform: translateY(-50%);
}

.flow-step small {
    color: var(--accent);
    font-size: 9px;
    letter-spacing: 1.5px;
}

.flow-step strong {
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 500;
}

.flow-step span {
    color: var(--muted);
    font-size: 12px;
}

.tech-card code,
.flow-step code {
    color: var(--text-soft);
    font-family: var(--mono);
    font-size: 11px;
}

@media (max-width: 850px) {
    .flow {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .flow-step:not(:last-child)::after {
        content: "↓";
        top: auto;
        right: auto;
        bottom: -25px;
        left: 50%;
        transform: translateX(-50%);
    }
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.tech-card {
    padding: 18px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.tech-card small {
    display: block;
    margin-bottom: 18px;
    color: var(--accent);
    font: 10px var(--mono);
}

.tech-card h3 {
    margin-bottom: 8px;
    font-size: 15px;
}

.tech-card p {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.8;
}

@media (max-width: 850px) {
    .tech-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ==========================================
   REQUISITOS FUNCIONAIS
   Os capítulos são criados pelo lotus-app.js.
   ========================================== */

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.toolbar p {
    color: var(--muted);
    font-size: 12px;
}

.toolbar button {
    margin-left: 5px;
    padding: 9px 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font: 10px var(--mono);
    cursor: pointer;
}

.toolbar button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.group {
    margin-bottom: 9px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.group summary {
    display: grid;
    grid-template-columns: 34px 1fr auto 18px;
    gap: 13px;
    align-items: center;
    padding: 17px 19px;
    cursor: pointer;
    list-style: none;
}

.group summary::-webkit-details-marker {
    display: none;
}

.group summary:hover .group-title {
    color: var(--accent);
}

.group-number {
    color: var(--accent);
    font: 11px var(--mono);
}

.group-title {
    font-size: 14px;
    font-weight: 600;
}

.count {
    color: var(--muted);
    font: 10px var(--mono);
    white-space: nowrap;
}

.chevron {
    color: var(--accent);
    font-size: 20px;
    text-align: center;
}

.group[open] .chevron {
    transform: rotate(45deg);
}

.group-panel {
    padding: 0 19px 18px;
    border-top: 1px solid var(--border);
}

.req-list {
    list-style: none;
}

.req-item {
    display: grid;
    grid-template-columns: 66px 1fr;
    gap: 13px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-soft);
}

.req-item:last-child {
    border: 0;
}

.req-id {
    padding-top: 3px;
    color: var(--accent);
    font: 10px var(--mono);
}

.req-text {
    color: #d5d7cf;
    font-size: 12px;
    line-height: 1.75;
}

.footnote {
    margin-top: 18px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.8;
}

@media (max-width: 600px) {
    .toolbar button {
        margin: 5px 4px 0 0;
    }

    .group summary {
        grid-template-columns: 26px 1fr 18px;
        gap: 9px;
        padding: 15px 12px;
    }

    .count {
        grid-column: 2;
        grid-row: 2;
    }

    .chevron {
        grid-column: 3;
        grid-row: 1 / span 2;
    }

    .group-panel {
        padding: 0 12px 12px;
    }

    .req-item {
        grid-template-columns: 55px 1fr;
        gap: 8px;
    }
}

/* ==========================================
   ESCOPO E LIMITAÇÕES
   ========================================== */

.notes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.note {
    padding: 18px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.note h3 {
    margin-bottom: 9px;
    font-size: 13px;
}

.note p {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.8;
}

@media (max-width: 600px) {
    .notes {
        grid-template-columns: 1fr;
    }
}