:root {
    --bg:           #0a0c0e;
    --bg-raised:    #111315;
    --surface:      #17191c;
    --border:       #252729;
    --border-soft:  #1c1e21;
    --text:         #e8eaf0;
    --text-mute:    #9398a6;
    --text-dim:     #7f8798;

    --accent:       #C28D44;
    --accent-2:     #d9a85c;
    --accent-ink:   #0f0a04;
    --accent-soft:  rgba(194, 141, 68, 0.12);
    --accent-glow:  rgba(194, 141, 68, 0.45);

    --danger:       #ff6363;
    --warn:         #f5b94a;
    --ok:           #5fcf80;

    --font-sans: "Geist", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-mono: "Geist Mono", "JetBrains Mono", monospace;

    /* Espaçamento fluido — escala sozinho entre mobile e desktop */
    --pad-x: clamp(20px, 5vw, 64px);
    --section-y: clamp(64px, 9vw, 120px);
    --maxw: 1280px;

    /* Curvas/durações padronizadas (polimento consistente) */
    --ease-out: cubic-bezier(.2, .6, .2, 1);
    --dur-fast: .15s;
    --dur-base: .3s;
    --dur-reveal: .6s;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* Âncoras respeitam a navbar fixa (senão o título fica escondido sob o menu) */
section[id] { scroll-margin-top: 88px; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
}

body {
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.005em;
    line-height: 1.5;
}

img { max-width: 100%; height: auto; }

a { color: inherit; }

::selection { background: var(--accent-soft); color: var(--text); }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.site-shell {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    position: relative;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    padding: 10px 16px;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Modal "Acessar sistema" (host central) ---------- */
.site-access-modal { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; padding: 20px; }
.site-access-modal[hidden] { display: none; }
.site-access-backdrop { position: absolute; inset: 0; background: rgba(4, 5, 6, 0.72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.site-access-card { position: relative; width: min(440px, 100%); background: var(--bg-raised); border: 1px solid var(--border); border-radius: 14px; padding: clamp(22px, 4vw, 32px); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.9); }
.site-access-card h2 { margin: 0 0 8px; font-size: clamp(19px, 3vw, 23px); letter-spacing: -0.02em; font-weight: 500; }
.site-access-card p { margin: 0 0 18px; font-size: 14px; color: var(--text-mute); line-height: 1.55; }
.site-access-close { position: absolute; top: 12px; right: 14px; background: transparent; border: none; color: var(--text-mute); font-size: 22px; line-height: 1; cursor: pointer; padding: 4px; }
.site-access-close:hover { color: var(--text); }
.site-access-row { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.site-access-input { flex: 1; min-width: 0; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-size: 15px; }
.site-access-input:focus { border-color: var(--accent); outline: none; }
.site-access-suffix { font-size: 13px; color: var(--text-mute); white-space: nowrap; }
.site-access-go { width: 100%; }
.site-access-hint { margin: 14px 0 0 !important; font-size: 12px !important; color: var(--text-dim) !important; }

/* ---------- Tipografia fluida ---------- */
.arandu-h1 {
    font-size: clamp(34px, 7.4vw, 64px);
    line-height: 1.02;
    letter-spacing: -0.035em;
    font-weight: 500;
    margin: 0;
    color: var(--text);
    text-wrap: balance;
}

.arandu-h2 {
    font-size: clamp(27px, 5vw, 44px);
    line-height: 1.08;
    letter-spacing: -0.025em;
    font-weight: 500;
    margin: 0;
    color: var(--text);
    text-wrap: balance;
}

.arandu-h3 {
    font-size: clamp(18px, 2.4vw, 20px);
    line-height: 1.3;
    letter-spacing: -0.015em;
    font-weight: 500;
    margin: 0;
}

/* ---------- Utilitários ---------- */
.arandu-mono { font-family: var(--font-mono); letter-spacing: 0; }

.arandu-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
}

.arandu-dot {
    width: 6px; height: 6px;
    border-radius: 999px;
    display: inline-block;
    flex: none;
}

@keyframes aranduPulse {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 var(--accent-glow); }
    50%      { opacity: .5; transform: scale(.78); box-shadow: 0 0 0 5px transparent; }
}
.arandu-pulse { animation: aranduPulse 2s ease-in-out infinite; }

.arandu-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-mute);
    font-family: var(--font-mono);
}

.arandu-link { color: var(--text-mute); text-decoration: none; font-size: 14px; transition: color .15s; }
.arandu-link:hover { color: var(--text); }

.accent-italic { color: var(--accent); font-style: italic; font-weight: 400; }
.accent { color: var(--accent); }

.arandu-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 12px;
}

/* ---------- Botões ---------- */
.arandu-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 22px;
    background: linear-gradient(135deg, var(--accent-2), var(--accent));
    color: var(--accent-ink);
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.01em;
    text-decoration: none;
    box-shadow: 0 0 0 1px var(--accent-glow), 0 10px 28px -10px var(--accent-glow);
    transition: transform .14s ease, box-shadow .14s ease;
}
.arandu-cta:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px var(--accent-glow), 0 16px 34px -12px var(--accent-glow); }
.arandu-cta:active { transform: translateY(0); }

.arandu-cta-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 18px;
    color: var(--text);
    border-radius: 8px;
    font-weight: 500;
    font-size: 15px;
    border: 1px solid var(--border);
    text-decoration: none;
    transition: border-color .15s, background .15s;
}
.arandu-cta-ghost:hover { border-color: var(--text-dim); background: var(--surface); }

/* ---------- Navbar ---------- */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 12, 14, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-soft);
    transition: box-shadow .2s ease, background .2s ease;
}
.site-nav.is-scrolled { box-shadow: 0 10px 30px -22px rgba(0,0,0,.9); }

.site-nav-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px var(--pad-x);
    gap: 16px;
}

.site-nav-logo { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.site-nav-logo img { height: 34px; width: auto; display: block; filter: drop-shadow(0 2px 8px rgba(0,0,0,.3)); }

.site-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.site-nav-divider { width: 1px; height: 18px; background: var(--border); }

.site-nav-button {
    padding: 9px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text);
    font-size: 14px;
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
    transition: border-color .15s, background .15s;
}
.site-nav-button:hover { border-color: var(--accent); }

.site-nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px; height: 42px;
    padding: 0 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
}
.site-nav-toggle span {
    display: block; height: 2px; width: 100%;
    background: var(--text);
    border-radius: 2px;
    transition: transform .25s ease, opacity .2s ease;
}
.site-nav.is-open .site-nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.is-open .site-nav-toggle span:nth-child(2) { opacity: 0; }
.site-nav.is-open .site-nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Navbar — mobile first (painel deslizante) */
@media (max-width: 899px) {
    .site-nav-links {
        position: absolute;
        left: 0; right: 0; top: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px var(--pad-x) 20px;
        background: rgba(10, 12, 14, 0.98);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 24px 40px -24px rgba(0,0,0,.9);
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        visibility: hidden;
        transition: opacity var(--dur-base, .3s) var(--ease-out, ease), transform var(--dur-base, .3s) var(--ease-out, ease), visibility 0s var(--dur-base, .3s);
    }
    .site-nav.is-open .site-nav-links {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
        visibility: visible;
        transition-delay: 0s;
    }
    .site-nav-links .arandu-link { font-size: 16px; padding: 12px 4px; border-bottom: 1px solid var(--border-soft); }
    .site-nav-divider { display: none; }
    .site-nav-button { text-align: center; margin-top: 8px; padding: 13px 16px; }
}

@media (min-width: 900px) {
    .site-nav-toggle { display: none; }

    /* Sublinhado animado nos links do nav (desktop) */
    .site-nav-links .arandu-link { position: relative; }
    .site-nav-links .arandu-link::after {
        content: '';
        position: absolute;
        left: 0;
        right: 100%;
        bottom: -4px;
        height: 1px;
        background: var(--accent);
        transition: right var(--dur-base, .3s) var(--ease-out, ease);
    }
    .site-nav-links .arandu-link:hover::after,
    .site-nav-links .arandu-link:focus-visible::after { right: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .site-nav-links .arandu-link::after { transition: none; }
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--border-soft);
}
.site-footer-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 40px var(--pad-x);
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    text-align: center;
}
.site-footer-logo img { height: 40px; width: auto; filter: drop-shadow(0 2px 8px rgba(0,0,0,.3)); }
.site-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 24px;
    font-size: 13px;
    color: var(--text-mute);
    align-items: center;
}
.site-footer-location { font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); }

@media (min-width: 768px) {
    .site-footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ---------- Animações de entrada ---------- */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--dur-reveal, .6s) var(--ease-out, cubic-bezier(.2,.6,.2,1)), transform var(--dur-reveal, .6s) var(--ease-out, cubic-bezier(.2,.6,.2,1));
    transition-delay: var(--reveal-delay, 0ms);
}
.reveal:not(.is-visible) { will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; will-change: auto; }
    .arandu-pulse, .bp-hint::before { animation: none; }
    .aw-view, .bp-hub.is-swapping .bp-hub-title, .bp-hub.is-swapping .bp-hub-desc { animation: none; }
    .arandu-carousel-track { scroll-behavior: auto; }
    .bp-node, .arandu-filter, .aw-tab, .arandu-pain-card, .arandu-feature, .bp-hub { transition: none; }
}

/* ---------- Páginas de texto (privacidade / LGPD) ---------- */
.legal {
    max-width: 800px;
    margin: 0 auto;
    padding: clamp(48px, 8vw, 96px) var(--pad-x) var(--section-y);
}
.legal h1 { margin: 14px 0 8px; }
.legal .legal-updated { font-size: 13px; color: var(--text-dim); font-family: var(--font-mono); margin-bottom: 40px; }
.legal h2 {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 40px 0 12px;
    color: var(--text);
}
.legal p, .legal li { font-size: 15px; line-height: 1.7; color: var(--text-mute); }
.legal ul { padding-left: 20px; margin: 12px 0; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--accent); text-decoration: none; }
.legal a:hover { text-decoration: underline; }
.legal strong { color: var(--text); font-weight: 600; }
.legal .legal-note {
    margin-top: 8px;
    padding: 16px 18px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    font-size: 13px;
    color: var(--text-dim);
    background: var(--bg-raised);
}
.legal-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-mute);
    text-decoration: none;
    font-family: var(--font-mono);
}
.legal-back:hover { color: var(--text); }