:root {
    --topbar-bg: rgba(11,13,18,.9);
    --bg-dark: #0b0d12;
    --bg-card: #14161d;
    --bg-elev: #1b1e27;
    --accent: #2f81f7;
    --accent-2: #1a73e8;
    --text-1: #e8eaf0;
    --text-2: #9aa0ae;
    --text-3: #6b7180;
    --border: rgba(255,255,255,.08);
    --ok: #2ecc71;
    --warn: #f39c12;
    --grad: linear-gradient(135deg, #1a73e8 0%, #0e3f8f 100%);
}

[data-theme="light"] {
    --topbar-bg: rgba(255,255,255,.85);
    --bg-dark: #f5f7fb;
    --bg-card: #ffffff;
    --bg-elev: #edf0f6;
    --accent: #1a5fc4;
    --accent-2: #0e3f8f;
    --text-1: #10131a;
    --text-2: #4a5262;
    --text-3: #8a91a0;
    --border: rgba(18,25,42,.12);
}
[data-theme="light"] footer {
    --bg-dark: #08090d;
    --text-1: #e8eaf0;
    --text-2: #9aa0ae;
    --text-3: #6b7180;
    --border: rgba(255,255,255,.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-1);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---------- Top bar ---------- */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; gap: 24px;
    padding: 14px 0; background: var(--topbar-bg); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: opacity .2s;
}
.topbar .brand img.logo-light { display: none; }
.topbar .brand img { height: 32px; width: auto; }
[data-theme="light"] .topbar .brand img.logo-dark { display: none; }
[data-theme="light"] .topbar .brand img.logo-light { display: inline-block; }
.topbar .brand .brand-name { font-weight: 700; font-size: 17px; letter-spacing: .3px; }
.topbar .brand .brand-name span { color: var(--accent); }

.topbar nav { display: flex; gap: 22px; align-items: center; }
.topbar nav a { color: var(--text-2); font-size: 14px; }
.topbar nav a:hover { color: var(--text-1); text-decoration: none; }

.lang-switch { display: flex; gap: 4px; }
.lang-switch a {
    font-size: 12px; color: var(--text-3); padding: 3px 8px;
    border-radius: 4px; border: 1px solid transparent;
}
.lang-switch a:hover { color: var(--text-1); text-decoration: none; }
.lang-switch a.active { color: var(--text-1); border-color: var(--border); }

.theme-toggle {
    background:none; border:1px solid var(--border); color: var(--text-1);
    width:34px; height:34px; border-radius:6px; cursor:pointer; font-size:16px;
    display:inline-flex; align-items:center; justify-content:center;
    transition: border-color .18s;
}
.theme-toggle:hover { border-color: var(--accent); }
.menu-toggle { display: none; background:none; border:none; color: var(--text-1); font-size:22px; cursor:pointer; }

/* ---------- Hero ---------- */
.hero {
    min-height: 88vh; display: flex; align-items: center; position: relative;
    padding: 130px 0 80px;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(26,115,232,.28), transparent 60%),
        radial-gradient(900px 500px at 0% 110%, rgba(14,63,143,.22), transparent 55%),
        var(--bg-dark);
}
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent);
    border: 1px solid rgba(47,129,247,.35); background: rgba(47,129,247,.08);
    padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(1.9rem, 4vw, 3.1rem); line-height: 1.15; margin-bottom: 20px; font-weight: 800; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.lead { font-size: 1.08rem; color: var(--text-2); max-width: 32em; margin-bottom: 30px; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 26px; border-radius: 8px; font-weight: 600; font-size: 15px;
    border: 1px solid transparent; cursor: pointer; transition: all .18s;
}
.btn-primary { background: var(--grad); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); text-decoration:none; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-1); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text-1); text-decoration:none; }

.hero-visual { position: relative; }
.hero-visual .card-stack { display:flex; flex-direction:column; gap:14px; }
.hv-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
    padding: 18px 20px; display: flex; align-items: center; gap: 14px;
    box-shadow: 0 12px 40px rgba(0,0,0,.45); animation: floaty 6s ease-in-out infinite;
}
.hv-card:nth-child(2) { animation-delay: 1.2s; }
.hv-card:nth-child(3) { animation-delay: 2.4s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.hv-card .ico {
    width: 44px; height: 44px; border-radius: 10px; flex: none;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent);
}
.hv-card .ico svg { width: 22px; height: 22px; }
.hv-card .ico.bl { background: rgba(47,129,247,.15); color: var(--accent); }
.hv-card .ico.gr { background: rgba(46,204,113,.14); color: var(--ok); }
.hv-card .ico.am { background: rgba(243,156,18,.15); color: var(--warn); }
.hv-card h4 { font-size: 15px; margin-bottom: 2px; }
.hv-card p { font-size: 13px; color: var(--text-3); }

/* ---------- Stats (cartões, como no ndd-m5) ---------- */
.stats { padding: 48px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 28px 20px; text-align: center; box-shadow: 0 8px 32px rgba(0,0,0,.35);
    transition: transform .18s, border-color .18s, background .18s;
}
.stat-card:hover { transform: translateY(-5px); border-color: rgba(47,129,247,.4); }
.stat-number { font-size: 2.4rem; font-weight: 800; background: var(--grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color: transparent; margin-bottom: 6px; }
.stat-label { color: var(--text-2); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }

/* ---------- Sections ---------- */
section.block { padding: 96px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-head .eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:12px; letter-spacing:1.5px; text-transform:uppercase; color:var(--accent); border:1px solid rgba(47,129,247,.35); background:rgba(47,129,247,.08); padding:6px 14px; border-radius:999px; margin-bottom:16px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; font-weight: 800; }
.section-head p { color: var(--text-2); }

/* Features grid */
.features { background: var(--bg-dark); }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.feat {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
    padding: 26px 24px; transition: transform .18s, border-color .18s, background .18s;
}
.feat:hover { transform: translateY(-4px); border-color: rgba(47,129,247,.4); background: var(--bg-elev); }
.feat .ico { width: 48px; height: 48px; border-radius: 12px; display:flex; align-items:center; justify-content:center; color: var(--accent); margin-bottom: 16px; }
.feat .ico svg { width: 23px; height: 23px; }
.feat h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feat p { color: var(--text-2); font-size: 14px; }
.ico.bl { background: rgba(47,129,247,.15); color: var(--accent); }
.ico.gr { background: rgba(46,204,113,.14); color: var(--ok); }
.ico.am { background: rgba(243,156,18,.15); color: var(--warn); }
.ico.pi { background: rgba(155,89,182,.15); color: #ab7bd8; }
.ico.cy { background: rgba(26,188,156,.15); color: #1abc9c; }
.ico.rd { background: rgba(231,76,60,.15); color: #e74c3c; }

/* Sectors / split rows */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse .text { order: 2; }
.split .text h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); margin-bottom: 16px; font-weight: 800; }
.split .text p { color: var(--text-2); margin-bottom: 14px; }
.split .text ul { list-style: none; }
.split .text ul li { padding: 7px 0 7px 28px; position: relative; color: var(--text-2); }
.split .text ul li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.visual-box {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px;
    padding: 34px; box-shadow: 0 20px 60px rgba(0,0,0,.4); position: relative; overflow: hidden;
}
.visual-box::before { content:""; position:absolute; inset:0; background: radial-gradient(500px 300px at 70% 0%, rgba(47,129,247,.15), transparent 60%); }
.visual-box .big { font-size: 3rem; font-weight: 800; background: var(--grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color: transparent; position: relative; }
.visual-box .sub { color: var(--text-2); font-size: 14px; position: relative; }
.pgp-chip {
    margin-top: 20px; display: inline-flex; flex-direction: column; gap: 3px;
    padding: 13px 20px; border-radius: 12px; position: relative; text-decoration: none;
    background: rgba(47,129,247,.08); border: 1px dashed rgba(47,129,247,.45);
    transition: background .15s ease, border-style .15s ease;
}
.pgp-chip-title { font-weight: 800; font-size: 15px; color: var(--accent); }
.pgp-chip-sub { font-size: 12.5px; color: var(--text-2); }
.pgp-chip:hover { background: rgba(47,129,247,.14); border-style: solid; }

/* ---------- Content sections (como no ndd-m5) ---------- */
.content-section {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px;
    overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,.3); margin-bottom: 48px;
    display: grid; grid-template-columns: 1fr 1fr; min-height: 400px;
}
.content-text { padding: 44px 40px; display: flex; flex-direction: column; justify-content: center; }
.content-text .eyebrow { margin-bottom: 6px; }
.content-text h2 { font-size: clamp(1.4rem, 2.5vw, 2.2rem); color: var(--text-1); margin-bottom: 16px; font-weight: 800; }
.content-text p { font-size: 1.05rem; color: var(--text-2); margin-bottom: 12px; line-height: 1.8; }
.content-text ul { list-style: none; margin-top: 6px; }
.content-text ul li { padding: 7px 0 7px 26px; position: relative; color: var(--text-2); }
.content-text ul li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.content-visual { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 44px 40px; position: relative; }
.content-visual::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 90%, rgba(47,129,247,.18), transparent 60%),
        radial-gradient(circle at 90% 10%, rgba(14,63,143,.2), transparent 55%);
    pointer-events: none;
}
.v-big { font-size: 3rem; font-weight: 800; background: var(--grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color: transparent; position: relative; }
.v-sub { color: var(--text-2); font-size: 14px; position: relative; }
.content-visual .pipes-row { position: relative; margin-top: 22px; }
.content-visual .pipe { height: 96px; width: 118px; border-radius: 14px; border: 1px solid var(--border); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; background: var(--bg-elev); position: relative; }
.content-visual .pipe .dot { width: 12px; height: 12px; border-radius: 50%; }
.content-visual .pipe .lbl { font-size: 11px; color: var(--text-3); }
.visual-box .pipe { height: 100px; width: 120px; border-radius: 14px; border: 1px solid var(--border); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; background: var(--bg-elev); position: relative; }
.visual-box .pipe .dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.bl { background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.dot.gr { background: var(--ok); box-shadow: 0 0 14px var(--ok); }
.dot.am { background: var(--warn); box-shadow: 0 0 14px var(--warn); }
.pipes-row { display: flex; gap: 16px; flex-wrap: wrap; position: relative; margin-top: 20px; }
.pipes-row .pipe .lbl { font-size: 11px; color: var(--text-3); }

/* ---------- Pricing ---------- */
.pricing .container { text-align: center; }
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 8px; }
.ladder { margin-top: 56px; text-align: center; }
.ladder-title { font-size: 1.35rem; font-weight: 800; margin-bottom: 8px; }
.ladder-sub { color: var(--text-2); margin-bottom: 26px; }
.ladder-grid { grid-template-columns: repeat(4,1fr); }
.price-note { color: var(--text-3); font-size: 13px; margin-top: 26px; }
.p-store {
    display: block; font-size: 12.5px; font-weight: 600; color: var(--accent);
    background: rgba(47,129,247,.08); border: 1px solid rgba(47,129,247,.25);
    border-radius: 8px; padding: 8px 12px; margin: 4px 0 16px;
}
.price-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px;
    padding: 34px 28px; text-align: left; position: relative;
    transition: transform .18s, border-color .18s, background .18s;
    display: flex; flex-direction: column;
}
.price-card:hover { transform: translateY(-5px); background: var(--bg-elev); }
.price-card.featured { border-color: rgba(47,129,247,.5); background: linear-gradient(180deg, rgba(47,129,247,.10), var(--bg-card) 40%); }
.price-card .tag {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: var(--grad); color: #fff; font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
    padding: 5px 16px; border-radius: 999px; font-weight: 700;
}
.price-card .p-name { font-size: 15px; color: var(--text-2); font-weight: 600; }
.price-card .p-price { font-size: 2.6rem; font-weight: 800; margin: 10px 0 4px; }
.price-card .p-price small { font-size: 1rem; color: var(--text-3); font-weight: 500; }
.price-card .p-per { font-size: 13px; color: var(--text-3); margin-bottom: 18px; }
.price-card ul { list-style: none; flex: 1; margin-bottom: 20px; }
.price-card ul li { padding: 8px 0 8px 26px; position: relative; color: var(--text-2); font-size: 14px; border-bottom: 1px solid var(--border); }
.price-card ul li:last-child { border-bottom: none; }
.price-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.price-card ul li.muted { color: var(--text-3); }
.price-card ul li.muted::before { content: "•"; color: var(--text-3); }
.price-card .btn { justify-content: center; }

.extras { margin-top: 44px; }
.extras h3 { font-size: 1rem; color: var(--text-2); font-weight: 600; margin-bottom: 18px; }
.extras-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.extra { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; text-align: left; }
.extra b { display: block; font-size: 13px; color: var(--text-1); margin-bottom: 4px; }
.extra p { font-size: 12.5px; color: var(--text-3); }

/* Footer */
footer { background: #08090d; border-top: 1px solid var(--border); padding: 56px 0 32px; }
footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
footer .col h4 { font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
footer .col a { display: block; color: var(--text-2); font-size: 14px; padding: 5px 0; }
footer .col a:hover { color: var(--text-1); text-decoration:none; }
footer .brand { display: flex; align-items:center; gap:10px; margin-bottom:14px; }
footer .brand img { height: 30px; }
footer .brand .brand-name { font-weight:700; }
footer .brand .brand-name span { color: var(--accent); }
footer .about-txt { color: var(--text-3); font-size: 14px; }
footer .bottom { border-top: 1px solid var(--border); padding-top: 22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; color: var(--text-3); font-size:13px; }
footer .bottom .links a { color: var(--text-3); margin-left: 16px; font-size: 13px; }
footer .bottom .links a:hover { color: var(--text-1); text-decoration:none; }

/* Presets */
.avatar-row { display:flex; margin-bottom:16px; gap:6px; }
.avatar-row .avatar { width:40px; height:40px; border-radius:50%; background: var(--bg-elev); display:flex; align-items:center; justify-content:center; font-weight:700; color:var(--accent); }

/* Responsive */
@media (max-width: 900px) {
    .pricing-grid { grid-template-columns: 1fr; margin-top: 32px; }
    .ladder-grid { grid-template-columns: repeat(2,1fr); }
    .extras-grid { grid-template-columns: repeat(2,1fr); }
    .topbar nav { display:none; position:absolute; top:100%; left:0; right:0; background:var(--bg-dark); border-bottom:1px solid var(--border); flex-direction:column; padding:16px 24px; gap:14px; }
    .topbar nav.open { display:flex; }
    .menu-toggle { display:block; }
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero { padding-top: 110px; }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .split { grid-template-columns: 1fr; gap: 32px; }
    .split.reverse .text { order: 0; }
    .content-section { grid-template-columns: 1fr; }
    .content-text, .content-visual { padding: 32px 28px; }
    .content-visual .v-big { font-size: 2.2rem; }
    footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .extras-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    footer .cols { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.8rem; }
}