:root {
    --bg: #0f0b1e;
    --bg-2: #16112b;
    --surface: #1c1636;
    --surface-2: #241c44;
    --border: #322a55;
    --text: #ece9f6;
    --muted: #a79fc7;
    --primary: #7c3aed;
    --primary-2: #a855f7;
    --accent: #22d3ee;
    --danger: #f43f5e;
    --ok: #34d399;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 20px 45px -20px rgba(124, 58, 237, .55);
    --maxw: 1120px;
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: radial-gradient(1200px 600px at 80% -10%, #2a1e52 0%, transparent 60%),
                radial-gradient(900px 500px at 0% 10%, #1a2b52 0%, transparent 55%),
                var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
p { margin: 0 0 1rem; }

/* ===== Botões ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    border: 1px solid transparent; border-radius: 999px; cursor: pointer;
    font-family: var(--font); font-weight: 600; font-size: 1rem;
    padding: .7rem 1.3rem; transition: transform .12s ease, box-shadow .2s ease, background .2s ease, opacity .2s;
    color: #fff; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: .5rem 1rem; font-size: .92rem; }
.btn-lg { padding: .85rem 1.6rem; font-size: 1.05rem; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: var(--shadow); }
.btn-primary:hover { box-shadow: 0 24px 55px -18px rgba(168, 85, 247, .7); }
.btn-secondary { background: linear-gradient(135deg, #0ea5b7, var(--accent)); color: #04252b; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }

/* ===== Cabeçalho ===== */
.site-header {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(12px);
    background: rgba(15, 11, 30, .72);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-size: 1.25rem; font-weight: 700; }
.brand-mark { font-size: 1.4rem; }
.brand-name strong { color: var(--primary-2); }
.main-nav { display: flex; gap: 1.4rem; margin-left: auto; }
.main-nav a { color: var(--muted); font-weight: 500; font-size: .95rem; transition: color .2s; }
.main-nav a:hover { color: var(--text); }
.header-inner .btn-primary { margin-left: .5rem; }

/* ===== Hero ===== */
.hero { padding: clamp(3rem, 7vw, 6rem) 0 clamp(2rem, 4vw, 3.5rem); }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.badge {
    display: inline-block; padding: .35rem .85rem; border-radius: 999px;
    background: rgba(124, 58, 237, .16); border: 1px solid rgba(168, 85, 247, .35);
    color: #d6bbff; font-size: .82rem; font-weight: 600; margin-bottom: 1.2rem;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34rem; }
.lead strong { color: var(--text); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0 1.4rem; }
.hero-points { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; color: var(--muted); font-size: .95rem; }

.hero-art { position: relative; display: grid; place-items: center; min-height: 320px; }
.mic-orb {
    width: 170px; height: 170px; border-radius: 50%; display: grid; place-items: center;
    font-size: 4.5rem; background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: var(--shadow); position: relative; z-index: 2;
}
.pulse-ring {
    position: absolute; width: 170px; height: 170px; border-radius: 50%;
    border: 2px solid rgba(168, 85, 247, .5); animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
    0% { transform: scale(1); opacity: .8; }
    100% { transform: scale(2.1); opacity: 0; }
}

/* ===== Seções ===== */
.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt { background: linear-gradient(180deg, var(--bg-2), transparent); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

.grid { display: grid; gap: 1.2rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ===== Recursos ===== */
.feature {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.6rem; transition: transform .18s ease, border-color .2s;
}
.feature:hover { transform: translateY(-4px); border-color: var(--primary); }
.feature-ico { font-size: 1.8rem; margin-bottom: .6rem; }
.feature h3 { font-size: 1.15rem; }
.feature p { color: var(--muted); margin: 0; font-size: .96rem; }

/* ===== Passos ===== */
.step {
    position: relative; background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2rem 1.6rem 1.6rem;
}
.step-num {
    position: absolute; top: -18px; left: 1.6rem; width: 40px; height: 40px; border-radius: 12px;
    display: grid; place-items: center; font-weight: 800; font-size: 1.15rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: var(--shadow);
}
.step h3 { font-size: 1.15rem; margin-top: .4rem; }
.step p { color: var(--muted); margin: 0; font-size: .96rem; }

/* ===== Gravador ===== */
.recorder-card {
    max-width: 940px; margin: 0 auto; background: var(--surface);
    border: 1px solid var(--border); border-radius: 22px; padding: 1.8rem;
    box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
}
.recorder-visual { position: relative; }
#visualizer {
    width: 100%; height: 160px; display: block; border-radius: var(--radius);
    background: radial-gradient(600px 200px at 50% 0%, rgba(124,58,237,.18), transparent 70%), var(--bg);
    border: 1px solid var(--border);
}
.recorder-status {
    display: flex; align-items: center; gap: .5rem; justify-content: center;
    margin-top: 1rem; color: var(--muted); font-weight: 500;
}
.rec-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--muted); transition: background .2s; }
.rec-dot[data-state="recording"] { background: var(--danger); animation: blink 1s steps(2, start) infinite; }
.rec-dot[data-state="paused"] { background: #f59e0b; }
.rec-dot[data-state="idle"] { background: var(--ok); }
@keyframes blink { 50% { opacity: .25; } }
.timer {
    text-align: center; font-size: 2.6rem; font-weight: 800; letter-spacing: .04em;
    font-variant-numeric: tabular-nums; margin: .3rem 0 .2rem;
}

.recorder-controls { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; margin: 1.4rem 0; }
.control .ico { font-size: 1rem; }

.recorder-result {
    border-top: 1px solid var(--border); margin-top: 1.4rem; padding-top: 1.4rem;
}
.recorder-result h3 { font-size: 1.2rem; }
#player { width: 100%; margin-bottom: 1rem; }
.result-form { margin-bottom: 1rem; }
.result-form label { display: block; font-size: .9rem; color: var(--muted); margin-bottom: .35rem; }
.result-form input {
    width: 100%; padding: .75rem 1rem; border-radius: var(--radius-sm);
    background: var(--bg); border: 1px solid var(--border); color: var(--text); font-size: 1rem; font-family: var(--font);
}
.result-form input:focus { outline: 2px solid var(--primary); border-color: transparent; }
.result-actions { display: flex; flex-wrap: wrap; gap: .7rem; }
.hint { font-size: .92rem; color: var(--muted); margin: .8rem 0 0; min-height: 1.2em; }
.hint.ok { color: var(--ok); }
.hint.err { color: var(--danger); }
.recorder-note {
    text-align: center; color: var(--muted); font-size: .9rem; margin: 1.4rem 0 0;
}

/* ===== Lista de gravações ===== */
.lista-gravacoes { display: grid; gap: .9rem; max-width: 820px; margin: 0 auto; }
.lista-vazia { text-align: center; color: var(--muted); }
.gravacao-item {
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem;
}
.gravacao-info { flex: 1 1 220px; min-width: 0; }
.gravacao-info h4 { margin: 0 0 .2rem; font-size: 1.02rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gravacao-info small { color: var(--muted); }
.gravacao-item audio { flex: 1 1 260px; max-width: 320px; height: 40px; }
.gravacao-acoes { display: flex; gap: .5rem; }
.icon-btn {
    background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
    border-radius: 10px; padding: .5rem .7rem; cursor: pointer; font-size: .9rem; transition: background .2s, border-color .2s;
}
.icon-btn:hover { border-color: var(--primary); }
.icon-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* ===== FAQ ===== */
.faq-item {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 1rem 1.2rem; margin-bottom: .8rem;
}
.faq-item summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '＋'; float: right; color: var(--primary-2); font-weight: 700; }
.faq-item[open] summary::after { content: '－'; }
.faq-item p { margin: .8rem 0 0; color: var(--muted); }

/* ===== Rodapé ===== */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 2.5rem 0 1.5rem; margin-top: 2rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; }
.footer-brand p { color: var(--muted); font-size: .92rem; margin: .5rem 0 0; }
.footer-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; align-content: flex-start; }
.footer-nav a { color: var(--muted); font-size: .95rem; }
.footer-nav a:hover { color: var(--text); }
.footer-bottom {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
    margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--border);
    color: var(--muted); font-size: .85rem;
}

/* ===== Responsivo ===== */
@media (max-width: 860px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-art { order: -1; min-height: 220px; }
    .grid-3 { grid-template-columns: 1fr; }
    .main-nav { display: none; }
}
@media (max-width: 560px) {
    .timer { font-size: 2.1rem; }
    .recorder-card { padding: 1.2rem; }
    .footer-bottom { flex-direction: column; }
}

/* ===== Páginas de conteúdo (Sobre, Contato, Termos, Privacidade) ===== */
.page { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.page-header { max-width: 820px; margin: 0 auto 2rem; text-align: center; }
.page-header .badge { margin-bottom: 1rem; }
.page-header p { color: var(--muted); font-size: 1.05rem; }
.breadcrumb { font-size: .85rem; color: var(--muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--primary-2); }

.prose {
    max-width: 820px; margin: 0 auto;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: clamp(1.4rem, 3vw, 2.6rem);
}
.prose h2 { font-size: 1.4rem; margin-top: 2rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.12rem; margin-top: 1.4rem; }
.prose p, .prose li { color: #cfc9e6; }
.prose a { color: var(--primary-2); text-decoration: underline; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }
.prose strong { color: var(--text); }
.prose .atualizado { color: var(--muted); font-size: .9rem; font-style: italic; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ===== Formulário de contato ===== */
.form-contato { max-width: 640px; margin: 0 auto; display: grid; gap: 1rem; }
.campo { display: grid; gap: .4rem; }
.campo label { font-size: .9rem; color: var(--muted); }
.campo input, .campo textarea {
    width: 100%; padding: .8rem 1rem; border-radius: var(--radius-sm);
    background: var(--bg); border: 1px solid var(--border); color: var(--text);
    font-size: 1rem; font-family: var(--font);
}
.campo textarea { resize: vertical; min-height: 140px; }
.campo input:focus, .campo textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }
.contato-info { display: grid; gap: 1rem; margin-top: 1.5rem; }
.contato-card {
    display: flex; align-items: center; gap: .9rem;
    background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem 1.2rem;
}
.contato-card .ico { font-size: 1.6rem; }
.contato-card a { color: var(--primary-2); }

/* ===== Rodapé em colunas ===== */
.footer-cols { display: flex; flex-wrap: wrap; gap: 2.5rem; justify-content: space-between; }
.footer-col h4 { font-size: .95rem; margin-bottom: .8rem; color: var(--text); }
.footer-col nav { display: grid; gap: .5rem; }
.footer-col a { color: var(--muted); font-size: .92rem; }
.footer-col a:hover { color: var(--text); }
.footer-col.brand-col { max-width: 280px; }
.footer-col.brand-col p { color: var(--muted); font-size: .9rem; margin: .6rem 0 0; }
@media (max-width: 640px) {
    .footer-cols { gap: 1.8rem; }
}