/* =====================================================
   Sistemas 360 — Design tokens
   Paleta: grafite profundo + sinal ciano + âmbar de dados
   Tipografia: Space Grotesk (display) / IBM Plex Sans (corpo) / IBM Plex Mono (dados)
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --graphite-950: #0a0d11;
    --graphite-900: #0f1319;
    --graphite-800: #161b22;
    --graphite-700: #1f2630;
    --graphite-600: #2a3340;
    --line: #2a3340;
    --fog: #7c8798;
    --paper: #e9edf2;
    --signal: #35d9c4;
    --signal-dim: #1f7d72;
    --amber: #f2a93b;
    --danger: #e8734a;
    --rose: #e85f9c;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--graphite-950);
    color: var(--paper);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--signal);
}

.mono { font-family: var(--font-mono); }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 13, 17, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
}

.brand .orbit-mark {
    width: 30px;
    height: 30px;
}

.nav-links {
    display: flex;
    gap: 28px;
    font-size: 0.92rem;
    color: var(--fog);
}

.nav-links a:hover { color: var(--paper); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
    background: var(--signal);
    color: var(--graphite-950);
}
.btn-primary:hover { transform: translateY(-1px); background: #4be8d3; }

.btn-ghost {
    border-color: var(--line);
    color: var(--paper);
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* ---------- Hero ---------- */
.hero {
    padding: 110px 0 90px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.3rem, 4.2vw, 3.4rem);
    line-height: 1.08;
    color: var(--paper);
}

.hero h1 span { color: var(--signal); }

.hero p.lead {
    font-size: 1.08rem;
    color: var(--fog);
    max-width: 46ch;
    margin-bottom: 2em;
}

.hero-actions { display: flex; gap: 14px; }

/* Signature: orbit diagram — three category "satellites" circling a core "360" */
.orbit-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    max-width: 420px;
    margin: 0 auto;
}

.orbit-ring {
    position: absolute;
    inset: 0;
    border: 1px dashed var(--line);
    border-radius: 50%;
}
.orbit-ring.r2 { inset: 12%; }
.orbit-ring.r3 { inset: 24%; }

.orbit-core {
    position: absolute;
    inset: 38%;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--graphite-700), var(--graphite-900));
    border: 1px solid var(--signal-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--signal);
    box-shadow: 0 0 40px rgba(53, 217, 196, 0.15);
}

.satellite {
    position: absolute;
    width: 84px;
    height: 84px;
    margin: -42px 0 0 -42px;
    border-radius: 6px;
    background: var(--graphite-800);
    border: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.68rem;
    font-family: var(--font-mono);
    color: var(--fog);
    gap: 4px;
    transition: border-color 0.2s ease, transform 0.2s ease;
    animation: float-satellite 4.5s ease-in-out infinite;
}
.satellite.games { animation-delay: 0s; }
.satellite.gestao { animation-delay: 0.9s; }
.satellite.vendas { animation-delay: 1.8s; }
.satellite.bemestar { animation-delay: 2.7s; }

.satellite:hover {
    animation: none;
    border-color: var(--signal-dim);
    transform: scale(1.05);
}

@keyframes float-satellite {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
    .satellite { animation: none; }
}

.satellite span.dot {
    width: 8px; height: 8px; border-radius: 50%;
}
.satellite.games { top: 50%; left: 50%; margin-left: calc(-42px - 112px); margin-top: calc(-42px - 112px); }
.satellite.games span.dot { background: var(--signal); }
.satellite.gestao { top: 50%; left: 50%; margin-left: calc(-42px + 112px); margin-top: calc(-42px - 112px); }
.satellite.gestao span.dot { background: var(--amber); }
.satellite.vendas { top: 50%; left: 50%; margin-left: calc(-42px - 112px); margin-top: calc(-42px + 112px); }
.satellite.vendas span.dot { background: var(--danger); }
.satellite.bemestar { top: 50%; left: 50%; margin-left: calc(-42px + 112px); margin-top: calc(-42px + 112px); }
.satellite.bemestar span.dot { background: var(--rose); }

.orbit-ring { animation: rotate-slow 60s linear infinite; }
.orbit-ring.r2 { animation-duration: 90s; animation-direction: reverse; }
.orbit-ring.r3 { animation-duration: 45s; }

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .orbit-ring { animation: none; }
}

/* ---------- Sections ---------- */
section { padding: 90px 0; }
section.tight { padding: 60px 0; }

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 44px;
    gap: 24px;
    flex-wrap: wrap;
}

.section-head h2 { font-size: 1.9rem; }
.section-head p { color: var(--fog); margin: 0; max-width: 52ch; }

/* ---------- Category tabs ---------- */
.cat-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.cat-tab {
    padding: 9px 16px;
    border-radius: 3px;
    border: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--fog);
}
.cat-tab.active, .cat-tab:hover {
    border-color: var(--signal);
    color: var(--signal);
}

/* ---------- Cards ---------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}

.card {
    background: var(--graphite-800);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--signal-dim); transform: translateY(-2px); }

.card .card-cat {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fog);
    margin-bottom: 14px;
}

.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p.resumo { color: var(--fog); font-size: 0.92rem; margin-bottom: 10px; }
.card p.explicacao-simples {
    color: var(--paper);
    font-size: 0.86rem;
    line-height: 1.55;
    padding: 12px 14px;
    background: var(--graphite-900);
    border-left: 2px solid var(--signal-dim);
    border-radius: 0 4px 4px 0;
    margin-bottom: 18px;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.price {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--paper);
    font-size: 1.05rem;
}
.price .old {
    display: block;
    font-size: 0.75rem;
    color: var(--fog);
    text-decoration: line-through;
}

.badge-destaque {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--graphite-950);
    background: var(--amber);
    padding: 3px 8px;
    border-radius: 2px;
    margin-bottom: 10px;
}

/* ---------- Detail page ---------- */
.detail-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 50px;
    align-items: start;
}

.detail-main h1 { font-size: 2.1rem; }
.detail-main .resumo-lead { color: var(--fog); font-size: 1.05rem; margin-bottom: 30px; }

.recursos-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    display: grid;
    gap: 12px;
}
.recursos-list li {
    display: flex;
    gap: 12px;
    align-items: baseline;
    font-size: 0.96rem;
    color: var(--paper);
}
.recursos-list li::before {
    content: '›';
    color: var(--signal);
    font-family: var(--font-mono);
    font-weight: 700;
}

.stack-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fog);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 8px 12px;
    display: inline-block;
    margin-top: 6px;
}

.buy-box {
    position: sticky;
    top: 96px;
    background: var(--graphite-800);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 30px;
}
.buy-box .price-big {
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--signal);
    margin: 6px 0 4px;
}
.buy-box .price-old {
    color: var(--fog);
    text-decoration: line-through;
    font-family: var(--font-mono);
    font-size: 0.95rem;
}
.buy-box .btn { width: 100%; justify-content: center; margin-top: 18px; }
.buy-box .fine-print { color: var(--fog); font-size: 0.8rem; margin-top: 16px; }

.pricing-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 22px;
    background: var(--graphite-900);
    border-radius: 5px;
    padding: 4px;
}
.pricing-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--fog);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 9px 6px;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.pricing-tab.active { background: var(--graphite-700); color: var(--signal); }
.pricing-tab:hover:not(.active) { color: var(--paper); }

.price-big .per-month {
    font-size: 1rem;
    color: var(--fog);
    font-weight: 400;
}

.setup-fee {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--amber);
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--line);
}

/* ---------- Forms ---------- */
.form-card {
    background: var(--graphite-800);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 36px;
    max-width: 560px;
}
.field { margin-bottom: 18px; }
.field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--fog);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.field input, .field textarea, .field select {
    width: 100%;
    background: var(--graphite-900);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 12px 14px;
    color: var(--paper);
    font-family: var(--font-body);
    font-size: 0.95rem;
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none;
    border-color: var(--signal);
}
.field textarea { resize: vertical; min-height: 110px; }

.alert {
    padding: 14px 18px;
    border-radius: 4px;
    font-size: 0.92rem;
    margin-bottom: 22px;
}
.alert-success { background: rgba(53, 217, 196, 0.1); border: 1px solid var(--signal-dim); color: var(--signal); }
.alert-error { background: rgba(232, 115, 74, 0.1); border: 1px solid var(--danger); color: var(--danger); }

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 50px 0;
    color: var(--fog);
    font-size: 0.88rem;
}
.site-footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

@keyframes spin {
    from { transform: rotate(0deg) translate(var(--tx, 0), var(--ty, 0)) rotate(0deg); }
    to { transform: rotate(360deg) translate(var(--tx, 0), var(--ty, 0)) rotate(-360deg); }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .buy-box { position: static; }
}