/*
 * Clareza Acadêmica — página inicial
 * Camada isolada pela raiz .clarity-home para preservar as demais páginas.
 */

.clarity-home {
    --clarity-primary: #667eea;
    --clarity-primary-hover: #545fcb;
    --clarity-primary-soft: #f0f1ff;
    --clarity-purple: #764ba2;
    --clarity-canvas: #f6f7fb;
    --clarity-surface: #ffffff;
    --clarity-ink: #1f2937;
    --clarity-muted: #6b7280;
    --clarity-subtle: #9ca3af;
    --clarity-border: #e5e7eb;
    --clarity-border-strong: #d8dce5;
    --clarity-success: #10b981;
    --clarity-warning: #f59e0b;
    --clarity-danger: #ef4444;
    --clarity-radius-sm: 9px;
    --clarity-radius-md: 14px;
    --clarity-radius-lg: 20px;
    min-height: 100vh;
    padding-bottom: 1px;
    color: var(--clarity-ink);
    background:
        radial-gradient(circle at 8% 4%, rgba(102, 126, 234, 0.07), transparent 26rem),
        var(--clarity-canvas);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.clarity-home .container {
    width: min(1120px, calc(100% - 2rem));
    max-width: 1120px;
    padding-right: 0;
    padding-left: 0;
}

/* Hero */

.clarity-home .hp-hero {
    padding: 2rem 0 1.25rem;
    margin: 0;
    color: var(--clarity-ink);
    text-align: left;
    background: transparent;
}

.clarity-home .hp-hero > .container {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    grid-template-rows: auto auto auto 1fr;
    column-gap: 3rem;
    padding: 3rem;
    overflow: hidden;
    border: 1px solid rgba(216, 220, 229, 0.9);
    border-radius: var(--clarity-radius-lg);
    background:
        linear-gradient(145deg, rgba(240, 241, 255, 0.88), rgba(255, 255, 255, 0.96) 52%),
        var(--clarity-surface);
    box-shadow: 0 18px 50px rgba(31, 41, 55, 0.1);
}

.clarity-home .hp-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    align-self: end;
    width: fit-content;
    margin-bottom: 0.65rem;
    color: var(--clarity-primary-hover);
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.clarity-home .hp-hero h1 {
    margin: 0;
    color: var(--clarity-ink);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 750;
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.clarity-home .hp-hero p {
    max-width: 38rem;
    margin: 1rem 0 1.5rem;
    color: var(--clarity-muted);
    font-size: 1rem;
    line-height: 1.65;
    opacity: 1;
}

.clarity-home .hp-hero-buttons {
    justify-content: flex-start;
    gap: 0.65rem;
    margin: 0;
}

.clarity-home .hp-hero-buttons .btn {
    min-height: 44px;
    padding: 0.65rem 1.15rem;
    border: 1px solid var(--clarity-border-strong);
    border-radius: var(--clarity-radius-sm);
    font-size: 0.86rem;
    font-weight: 700;
    box-shadow: none;
    transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.clarity-home .hp-hero-buttons .btn:hover {
    transform: none;
}

.clarity-home .btn-hp-study {
    border-color: var(--clarity-primary);
    background: var(--clarity-primary);
    color: #fff;
}

.clarity-home .btn-hp-study:hover {
    border-color: var(--clarity-primary-hover);
    background: var(--clarity-primary-hover);
    color: #fff;
}

.clarity-home .btn-hp-create {
    border-color: var(--clarity-border-strong);
    background: rgba(255, 255, 255, 0.88);
    color: #374151;
}

.clarity-home .btn-hp-create:hover {
    border-color: #bfc5d1;
    background: #fff;
    color: var(--clarity-primary-hover);
}

.clarity-home .hp-hero-stats {
    grid-column: 2;
    grid-row: 1 / 5;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: center;
    gap: 0.75rem;
}

.clarity-home .hp-hero-stat {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 0 0.65rem;
    min-width: 0;
    padding: 0.85rem;
    border: 1px solid rgba(216, 220, 229, 0.85);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--clarity-muted);
    font-size: 0.75rem;
    font-weight: 600;
}

.clarity-home .hp-hero-stat i {
    grid-row: 1 / 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--clarity-primary-soft);
    color: var(--clarity-primary);
}

.clarity-home .hp-hero-stat strong {
    color: var(--clarity-ink);
    font-size: 1.15rem;
    line-height: 1.2;
}

/* Seções */

.clarity-home > .container {
    padding-top: 0.5rem;
}

.clarity-home .hp-section {
    padding: 1.75rem 0;
    margin: 0;
    border-bottom: 1px solid var(--clarity-border);
}

.clarity-home .hp-section-header {
    margin-bottom: 1rem;
}

.clarity-home .hp-section-header h2 {
    color: var(--clarity-ink);
    font-size: 1.3rem;
    font-weight: 750;
    letter-spacing: -0.02em;
}

.clarity-home .hp-section-header a {
    color: var(--clarity-primary-hover);
    text-underline-offset: 3px;
}

.clarity-home .hp-section-meta {
    color: var(--clarity-muted);
}

/* Simulados e categorias */

.clarity-home .hp-simulados-grid {
    gap: 0.85rem;
}

.clarity-home .hp-sim-card,
.clarity-home .hp-cat-pill {
    border-color: var(--clarity-border);
    background: var(--clarity-surface);
    box-shadow: none;
}

.clarity-home .hp-sim-card {
    min-height: 150px;
    padding: 1rem;
    border-radius: var(--clarity-radius-md);
}

.clarity-home .hp-sim-card:hover,
.clarity-home .hp-cat-pill:hover {
    border-color: #c9ceee;
    box-shadow: 0 8px 22px rgba(31, 41, 55, 0.07);
    transform: none;
}

.clarity-home .hp-sim-emoji {
    background: var(--clarity-primary-soft);
}

.clarity-home .hp-sim-title {
    color: var(--clarity-ink);
    word-break: normal;
    overflow-wrap: anywhere;
}

.clarity-home .hp-sim-author,
.clarity-home .hp-sim-stats {
    color: var(--clarity-muted);
}

.clarity-home .hp-sim-cat {
    background: var(--clarity-primary-soft);
    color: var(--clarity-primary-hover);
}

.clarity-home .hp-cat-grid {
    gap: 0.7rem;
}

.clarity-home .hp-cat-pill {
    min-height: 60px;
    padding: 0.7rem;
    border-radius: 12px;
    color: #374151;
}

.clarity-home .hp-cat-pill .cat-emoji,
.clarity-home .hp-cat-pill.cat-has-simulados .cat-emoji {
    background: var(--clarity-primary-soft);
}

.clarity-home .hp-cat-count,
.clarity-home .hp-cat-pill.cat-has-simulados .hp-cat-count {
    background: var(--clarity-primary-soft);
    color: var(--clarity-primary-hover);
}

.clarity-home .hp-cat-empty-toggle {
    padding: 0.75rem 0.9rem;
    border: 1px dashed var(--clarity-border-strong);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.58);
}

.clarity-home .hp-cat-empty-toggle > summary {
    min-height: 28px;
    color: var(--clarity-muted);
}

/* Modos de estudo */

.clarity-home .hp-features-grid {
    gap: 0.85rem;
}

.clarity-home .hp-feature-card {
    align-items: flex-start;
    min-height: 230px;
    padding: 1.25rem;
    border-color: var(--clarity-border);
    border-radius: var(--clarity-radius-md);
    background: var(--clarity-surface);
    text-align: left;
    box-shadow: none;
}

.clarity-home .hp-feature-card:hover {
    border-color: #c9ceee;
    box-shadow: 0 8px 22px rgba(31, 41, 55, 0.07);
    transform: none;
}

.clarity-home .hp-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    font-size: 1.1rem;
}

.clarity-home .hp-feature-icon.simulado,
.clarity-home .hp-feature-icon.bateria,
.clarity-home .hp-feature-icon.desafio {
    background: var(--clarity-primary-soft);
    color: var(--clarity-primary);
}

.clarity-home .hp-feature-icon.flashcard {
    background: #fff7e8;
    color: #d97706;
}

.clarity-home .hp-feature-icon.competicao {
    background: #fff0f0;
    color: var(--clarity-danger);
}

.clarity-home .hp-feature-icon.conteudo {
    background: #ecfdf5;
    color: #059669;
}

.clarity-home .hp-feature-title {
    margin: 0;
    color: var(--clarity-ink);
    font-size: 1rem;
    font-weight: 750;
}

.clarity-home .hp-feature-card p {
    color: var(--clarity-muted);
    font-size: 0.82rem;
    line-height: 1.55;
}

.clarity-home .hp-feature-stat {
    margin-top: auto;
    background: var(--clarity-primary-soft);
    color: var(--clarity-primary-hover);
}

/* Números e passos */

.clarity-home .hp-stats-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.clarity-home .hp-stat-card {
    padding: 1.15rem;
    border-color: var(--clarity-border);
    border-radius: var(--clarity-radius-md);
    background: var(--clarity-surface);
    text-align: left;
}

.clarity-home .hp-stat-num,
.clarity-home .hp-stat-card:nth-child(n) .hp-stat-num {
    color: var(--clarity-primary);
    font-size: 1.55rem;
}

.clarity-home .hp-stat-label {
    color: var(--clarity-muted);
    font-size: 0.78rem;
}

.clarity-home .hp-steps {
    gap: 0.85rem;
}

.clarity-home .hp-step {
    padding: 1.2rem;
    border-color: var(--clarity-border);
    border-radius: var(--clarity-radius-md);
    background: var(--clarity-surface);
    text-align: left;
}

.clarity-home .hp-step-num {
    width: 32px;
    height: 32px;
    margin-bottom: 0.75rem;
    border-radius: 9px;
    background: var(--clarity-primary-soft);
    color: var(--clarity-primary);
}

.clarity-home .hp-step-title {
    margin: 0 0 0.35rem;
    color: var(--clarity-ink);
    font-size: 0.93rem;
    font-weight: 700;
}

.clarity-home .hp-step p {
    color: var(--clarity-muted);
    line-height: 1.55;
}

/* CTA */

.clarity-home .hp-cta {
    padding: 2rem;
    margin: 2rem 0 0;
    border: 1px solid #dfe1ff;
    border-radius: var(--clarity-radius-lg);
    background: var(--clarity-primary-soft);
    color: var(--clarity-ink);
}

.clarity-home .hp-cta h3 {
    color: var(--clarity-ink);
    font-weight: 750;
}

.clarity-home .hp-cta p {
    color: var(--clarity-muted);
    opacity: 1;
}

.clarity-home .hp-cta .btn {
    min-height: 44px;
    padding: 0.65rem 1.1rem;
    border: 1px solid var(--clarity-primary);
    border-radius: var(--clarity-radius-sm);
    background: var(--clarity-primary);
    color: #fff;
    box-shadow: none;
}

.clarity-home .hp-cta .btn:hover {
    background: var(--clarity-primary-hover);
    color: #fff;
    transform: none;
}

.clarity-home .hp-ad {
    margin: 1.5rem auto 2rem;
}

/* Interação e acessibilidade */

.clarity-home a:focus-visible,
.clarity-home summary:focus-visible {
    outline: 3px solid rgba(102, 126, 234, 0.28);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .clarity-home *,
    .clarity-home *::before,
    .clarity-home *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 991px) {
    .clarity-home .hp-hero > .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        row-gap: 0;
        padding: 2.25rem;
    }

    .clarity-home .hp-hero-stats {
        grid-column: 1;
        grid-row: auto;
        grid-template-columns: repeat(3, 1fr);
        margin-top: 1.5rem;
    }

    .clarity-home .hp-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clarity-home .hp-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .clarity-home .container {
        width: min(100% - 2rem, 720px);
        padding-right: 0;
        padding-left: 0;
    }

    .clarity-home .hp-hero {
        padding-top: 1rem;
    }

    .clarity-home .hp-hero > .container {
        padding: 1.75rem;
    }

    .clarity-home .hp-simulados-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .clarity-home .container {
        width: min(100% - 1.25rem, 560px);
    }

    .clarity-home .hp-hero > .container {
        padding: 1.5rem;
        border-radius: var(--clarity-radius-md);
        box-shadow: 0 12px 34px rgba(31, 41, 55, 0.08);
    }

    .clarity-home .hp-eyebrow {
        font-size: 0.65rem;
    }

    .clarity-home .hp-hero h1 {
        font-size: 1.85rem;
    }

    .clarity-home .hp-hero p {
        margin: 0.8rem 0 1.15rem;
        font-size: 0.9rem;
    }

    .clarity-home .hp-hero-buttons {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .clarity-home .hp-hero-buttons .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding-right: 0.65rem;
        padding-left: 0.65rem;
    }

    .clarity-home .hp-hero-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.55rem;
        margin-top: 1.15rem;
    }

    .clarity-home .hp-hero-stat {
        padding: 0.7rem;
    }

    .clarity-home .hp-section {
        padding: 1.5rem 0;
    }

    .clarity-home .hp-section-header h2 {
        font-size: 1.13rem;
    }

    .clarity-home .hp-simulados-grid,
    .clarity-home .hp-features-grid,
    .clarity-home .hp-steps {
        grid-template-columns: 1fr;
    }

    .clarity-home .hp-sim-card,
    .clarity-home .hp-feature-card {
        min-height: 0;
    }

    .clarity-home .hp-cat-grid {
        grid-template-columns: 1fr;
    }

    .clarity-home .hp-stats-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .clarity-home .hp-cta {
        padding: 1.5rem 1rem;
        border-radius: var(--clarity-radius-md);
    }

    .clarity-home .hp-cta-actions .btn {
        flex: 1 1 calc(50% - 0.3rem);
    }
}