/* ============================================================
   VOXIA.NETWORK — estilos globais
   Base: template original (aurora, gradientes, Sora/Inter/JetBrains Mono)
   Temas: escuro (padrão) e claro via [data-theme]
   ============================================================ */
:root {
  --bg: #07041a;
  --bg-2: #0e0825;
  --surface: rgba(255,255,255,.025);
  --surface-2: rgba(255,255,255,.045);
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.16);
  --text: #ffffff;
  --text-mid: #a8a3c0;
  --text-dim: #7a74a0;
  --header-bg: rgba(7,4,26,.65);
  --panel-bg: rgba(14,8,37,.97);
  --input-bg: rgba(255,255,255,.03);
  --aurora-opacity: .5;
  --wm-opacity: .05;
  --logo-bg: #ffffff;
  --map-dot: rgba(255,255,255,.18);
  --shadow: 0 12px 32px rgba(0,0,0,.5);

  --pink:#f0abfc; --magenta:#ec4899; --purple:#a855f7; --violet:#8b5cf6;
  --blue:#3b82f6; --cyan:#22d3ee; --teal:#2dd4bf; --yellow:#FFD600;
  --ok:#22c55e; --err:#f87171;

  --grad-ai: linear-gradient(135deg,#a855f7 0%,#3b82f6 50%,#22d3ee 100%);
  --grad-voice: linear-gradient(135deg,#f0abfc 0%,#ec4899 60%,#f97316 100%);
  --grad-data: linear-gradient(135deg,#06b6d4 0%,#22d3ee 50%,#3b82f6 100%);
  --grad-sms: linear-gradient(135deg,#a855f7 0%,#d946ef 60%,#ec4899 100%);
  --grad-dc: linear-gradient(135deg,#22c55e 0%,#2dd4bf 50%,#22d3ee 100%);
  --grad-sub: linear-gradient(135deg,#3b82f6 0%,#6366f1 50%,#22d3ee 100%);

  --container: 1280px;
  --radius: 18px;
  --radius-lg: 28px;
  --font-body: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
  --font-head: 'Sora', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Noto Sans SC', monospace;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f6f4fc;
  --bg-2: #ffffff;
  --surface: rgba(255,255,255,.75);
  --surface-2: rgba(255,255,255,.95);
  --border: rgba(30,20,70,.10);
  --border-strong: rgba(30,20,70,.22);
  --text: #140f2e;
  --text-mid: #4a4468;
  --text-dim: #6b6590;
  --header-bg: rgba(246,244,252,.8);
  --panel-bg: rgba(255,255,255,.98);
  --input-bg: #ffffff;
  --aurora-opacity: .18;
  --wm-opacity: .035;
  --map-dot: rgba(30,20,70,.16);
  --shadow: 0 12px 32px rgba(40,20,90,.14);
  --pink:#c026d3; --magenta:#be185d; --purple:#7e22ce; --cyan:#0e7490; --blue:#1d4ed8;
  --ok:#15803d; --err:#b91c1c;
  color-scheme: light;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size:16px; line-height:1.6;
  overflow-x:hidden; -webkit-font-smoothing:antialiased; min-height:100vh;
  transition: background-color .3s ease, color .3s ease;
}
html[lang="zh-CN"] body { line-height:1.75; }
html[lang="zh-CN"] h1, html[lang="zh-CN"] h2 { letter-spacing:0; }
img, svg { max-width:100%; }
a { color:inherit; text-decoration:none; }
:focus-visible { outline:2px solid var(--cyan); outline-offset:3px; border-radius:6px; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
.skip-link { position:absolute; left:12px; top:-60px; z-index:300; background:var(--purple); color:#fff; padding:10px 16px; border-radius:10px; }
.skip-link:focus { top:12px; }

/* Aurora + grain + watermark */
.aurora { position:fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
.aurora::before,.aurora::after { content:''; position:absolute; border-radius:50%; filter:blur(80px); opacity:var(--aurora-opacity); animation:aurora-float 18s ease-in-out infinite; transition:opacity .3s; }
.aurora::before { width:60vw; height:60vw; top:-20vw; left:-15vw; background:radial-gradient(circle,#a855f7 0%,#3b82f6 40%,transparent 70%); }
.aurora::after { width:55vw; height:55vw; bottom:-15vw; right:-10vw; background:radial-gradient(circle,#d946ef 0%,#22d3ee 45%,transparent 70%); animation-delay:-9s; }
@keyframes aurora-float { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(5vw,-3vw) scale(1.08)} 66%{transform:translate(-3vw,4vw) scale(.95)} }
.grain { position:fixed; inset:0; z-index:1; pointer-events:none; opacity:.5; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>"); }
:root[data-theme="light"] .grain { opacity:.25; }
body::after { content:''; position:fixed; top:50%; left:50%; width:95vw; height:80vh; max-width:1500px; max-height:900px;
  background:url('../img/watermark.png') no-repeat center/contain; transform:translate(-50%,-50%) rotate(-4deg);
  opacity:var(--wm-opacity); pointer-events:none; z-index:0; filter:brightness(2); }
:root[data-theme="light"] body::after { filter:invert(1); }

h1,h2,h3,h4 { font-family:var(--font-head); font-weight:700; color:var(--text); letter-spacing:-.025em; line-height:1.1; }
.container { max-width:var(--container); margin:0 auto; padding:0 32px; position:relative; z-index:2; }
.grad-text-ai,.gt-voice,.gt-data,.gt-dc,.gt-sub,.gt-sms { -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.grad-text-ai { background-image:var(--grad-ai); }
.gt-voice { background-image:var(--grad-voice); }
.gt-data { background-image:var(--grad-data); }
.gt-dc { background-image:var(--grad-dc); }
.gt-sub { background-image:var(--grad-sub); }
.gt-sms { background-image:var(--grad-sms); }

/* ============ HEADER ============ */
header { position:sticky; top:0; z-index:100; background:var(--header-bg); backdrop-filter:blur(24px) saturate(180%); -webkit-backdrop-filter:blur(24px) saturate(180%); border-bottom:1px solid var(--border); transition:background-color .3s; }
header .container { display:flex; align-items:center; gap:20px; padding-top:14px; padding-bottom:14px; }
.logo { display:inline-flex; align-items:center; line-height:0; padding:8px 18px; background:var(--logo-bg); border-radius:14px; box-shadow:0 0 28px rgba(168,85,247,.22),0 6px 20px rgba(0,0,0,.2); transition:transform .25s; flex-shrink:0; }
.logo:hover { transform:translateY(-1px); }
.logo img { height:42px; width:auto; display:block; }
.main-nav { margin-left:auto; }
.main-nav ul { display:flex; align-items:center; gap:24px; list-style:none; }
.main-nav a { color:var(--text-mid); font-size:14px; font-weight:500; transition:color .2s; }
.main-nav a:hover { color:var(--text); }
.header-tools { display:flex; align-items:center; gap:10px; }

.icon-btn { width:40px; height:40px; display:grid; place-items:center; border-radius:12px; border:1px solid var(--border-strong); background:var(--surface); color:var(--text); cursor:pointer; transition:all .2s; }
.icon-btn:hover { border-color:var(--purple); }
.theme-toggle .ico-sun { display:none; }
:root[data-theme="light"] .theme-toggle .ico-sun { display:block; }
:root[data-theme="light"] .theme-toggle .ico-moon { display:none; }

.lang-select { position:relative; }
.lang-select button.icon-btn { width:auto; padding:0 12px; gap:6px; display:flex; font-family:var(--font-mono); font-size:12px; font-weight:700; letter-spacing:.08em; }
.lang-menu { position:absolute; right:0; top:calc(100% + 8px); min-width:190px; background:var(--panel-bg); border:1px solid var(--border-strong); border-radius:14px; padding:6px; list-style:none; box-shadow:var(--shadow); display:none; z-index:150; }
.lang-menu.open { display:block; }
.lang-menu button { width:100%; display:flex; justify-content:space-between; align-items:center; gap:12px; padding:10px 12px; border:0; border-radius:10px; background:transparent; color:var(--text); font:500 14px var(--font-body); cursor:pointer; text-align:left; }
.lang-menu button:hover, .lang-menu button[aria-checked="true"] { background:var(--surface-2); }
.lang-menu button[aria-checked="true"]::after { content:'✓'; color:var(--purple); }
.lang-menu small { font-family:var(--font-mono); color:var(--text-dim); font-size:11px; }

.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:13px 24px; font:600 14px var(--font-body); border-radius:999px; cursor:pointer; transition:all .25s; white-space:nowrap; border:none; }
.btn-sm { padding:10px 18px; font-size:13.5px; }
.btn-primary { background:var(--grad-ai); background-size:200% 200%; color:#fff; box-shadow:0 12px 36px rgba(168,85,247,.32),0 0 0 1px rgba(255,255,255,.1) inset; animation:gradient-shift 6s ease infinite; }
@keyframes gradient-shift { 0%,100%{background-position:0% 50%} 50%{background-position:100% 50%} }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 18px 48px rgba(168,85,247,.48); }
.btn-ghost { background:var(--surface); color:var(--text); border:1px solid var(--border-strong); }
.btn-ghost:hover { border-color:var(--purple); background:var(--surface-2); }
.btn[disabled] { opacity:.6; cursor:not-allowed; transform:none; }
.btn-client[data-pending="true"] { opacity:.75; }

.menu-toggle { display:none; }
.mobile-only { display:none; }

/* ============ HERO ============ */
section { padding:110px 0; position:relative; }
.hero { padding:90px 0 60px; text-align:center; }
.hero-content { max-width:1080px; margin:0 auto; }
.ai-pill { display:inline-flex; align-items:center; gap:10px; padding:7px 16px 7px 8px; margin-bottom:32px; background:var(--surface); border:1px solid var(--border); border-radius:999px; font:11px var(--font-mono); letter-spacing:.15em; text-transform:uppercase; color:var(--text-mid); }
.ai-pill .badge { background:var(--yellow); color:#07041a; padding:3px 9px; border-radius:999px; font-weight:800; font-size:10px; letter-spacing:.1em; }
.hero h1 { font-size:clamp(2.4rem,6.2vw,5rem); font-weight:800; letter-spacing:-.04em; line-height:1.04; margin-bottom:24px; }
.hero h1 .line { display:block; }
.hero p.lead { font-size:clamp(1rem,1.4vw,1.18rem); color:var(--text-mid); max-width:720px; margin:0 auto 40px; line-height:1.55; }
.waveform-container { display:flex; align-items:center; gap:12px; padding:24px 32px; margin:0 auto 36px; max-width:540px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); }
.waveform-ico { width:36px; height:36px; display:grid; place-items:center; background:var(--grad-ai); border-radius:50%; color:#fff; flex-shrink:0; }
.waveform { display:flex; align-items:center; gap:3px; flex:1; height:50px; }
.waveform .bar { flex:1; background:var(--grad-ai); border-radius:4px; min-height:4px; height:100%; animation:wave-bar 1.6s ease-in-out infinite; }
@keyframes wave-bar { 0%,100%{transform:scaleY(.15);opacity:.4} 50%{transform:scaleY(1);opacity:1} }
.waveform-status { font:11px var(--font-mono); letter-spacing:.15em; color:var(--text-mid); }
.waveform-status .dot { display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--cyan); margin-right:6px; animation:blink-dot 1.4s infinite; }
@keyframes blink-dot { 50%{opacity:.3} }
.hero-cta { display:flex; justify-content:center; gap:14px; margin-bottom:70px; flex-wrap:wrap; }
.metric-ticker { display:grid; grid-template-columns:repeat(4,1fr); max-width:920px; margin:0 auto; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.metric { padding:22px 16px; text-align:center; border-right:1px solid var(--border); }
.metric:last-child { border-right:none; }
.metric .v { font:800 clamp(1.4rem,2.5vw,2rem) var(--font-head); background:var(--grad-ai); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; line-height:1; margin-bottom:6px; }
.metric .l { font:11px var(--font-mono); letter-spacing:.14em; color:var(--text-mid); text-transform:uppercase; }

/* ============ SECTION HEAD ============ */
.section-head { text-align:center; margin:0 auto 64px; max-width:780px; }
.tag { display:inline-flex; align-items:center; gap:8px; padding:5px 14px; background:var(--surface); border:1px solid var(--border); border-radius:999px; font:11px var(--font-mono); letter-spacing:.18em; text-transform:uppercase; color:var(--text-mid); margin-bottom:18px; }
.tag .led { width:6px; height:6px; border-radius:50%; background:var(--yellow); box-shadow:0 0 10px rgba(255,214,0,.7); }
.section-head h2 { font-size:clamp(2rem,4.4vw,3.4rem); letter-spacing:-.03em; margin-bottom:18px; }
.section-head p { color:var(--text-mid); font-size:1.06rem; }

/* ============ PRODUCTS (5 cards) ============ */
.products { display:grid; grid-template-columns:repeat(6,1fr); gap:20px; }
.product { grid-column:span 2; }
.products .product:nth-child(4), .products .product:nth-child(5) { grid-column:span 3; }
.product { position:relative; display:flex; flex-direction:column; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:32px 28px 28px; overflow:hidden; transition:transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .35s; }
.product::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:var(--accent); }
.product:hover { transform:translateY(-6px); border-color:var(--border-strong); box-shadow:var(--shadow); }
.product.voice { --accent:var(--grad-voice); --c:var(--magenta); }
.product.data { --accent:var(--grad-data); --c:var(--cyan); }
.product.dc { --accent:var(--grad-dc); --c:var(--teal); }
.product.sub { --accent:var(--grad-sub); --c:var(--blue); }
.product.sms { --accent:var(--grad-sms); --c:var(--purple); }
.product.pending { --accent:repeating-linear-gradient(90deg,var(--border-strong) 0 8px,transparent 8px 14px); --c:var(--text-dim); border-style:dashed; }
.product-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:22px; }
.product-num { font:11px var(--font-mono); letter-spacing:.18em; color:var(--text-dim); text-transform:uppercase; }
.product-ico { width:52px; height:52px; display:grid; place-items:center; border-radius:14px; background:var(--surface-2); border:1px solid var(--border); color:var(--c); }
.product h3 { font-size:1.55rem; margin-bottom:10px; }
.product p { color:var(--text-mid); font-size:.95rem; margin-bottom:20px; }
.product ul { list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:26px; flex:1; }
.product li { display:flex; gap:10px; font-size:14.5px; line-height:1.45; }
.product li::before { content:''; flex-shrink:0; width:7px; height:7px; margin-top:7px; border-radius:2px; background:var(--c); transform:rotate(45deg); }
.product-link { margin-top:auto; display:inline-flex; align-items:center; gap:6px; font:700 11.5px var(--font-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--c); background:none; border:0; cursor:pointer; padding:6px 0; transition:gap .2s; align-self:flex-start; }
.product-link:hover { gap:12px; }
.badge-pending { font:700 10px var(--font-mono); letter-spacing:.12em; text-transform:uppercase; padding:4px 10px; border-radius:999px; border:1px dashed var(--border-strong); color:var(--text-dim); }

/* ============ DATA CENTER spotlight ============ */
.dc-section { border-top:1px solid var(--border); border-bottom:1px solid var(--border); background:radial-gradient(ellipse 60% 60% at 80% 50%,rgba(45,212,191,.08),transparent 60%); }
.dc-grid { display:grid; grid-template-columns:1.05fr 1fr; gap:56px; align-items:center; }
.dc-copy h2 { font-size:clamp(2rem,4vw,3.1rem); margin:0 0 18px; }
.dc-copy > p { color:var(--text-mid); font-size:1.06rem; margin-bottom:28px; }
.benefits { list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:34px; }
.benefits li { display:flex; gap:12px; align-items:flex-start; padding:14px; border:1px solid var(--border); border-radius:14px; background:var(--surface); font-size:14px; line-height:1.4; }
.benefits svg { flex-shrink:0; color:var(--teal); margin-top:1px; }
.dc-visual { position:relative; aspect-ratio:5/4; border-radius:var(--radius-lg); border:1px solid var(--border); background:linear-gradient(160deg,#0b1a2a,#07041a 70%); overflow:hidden; }
:root[data-theme="light"] .dc-visual { background:linear-gradient(160deg,#0f2236,#140f2e 70%); }
.dc-visual svg { width:100%; height:100%; display:block; }
.rack-led { animation:blink-dot 1.8s infinite; }
.note-small { font-size:12px; color:var(--text-dim); margin-top:14px; }

/* ============ MAP ============ */
.map-wrap { position:relative; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; }
.map-svg { width:100%; height:auto; display:block; }
.map-dots { stroke:var(--map-dot); stroke-width:5; stroke-linecap:round; }
.region { cursor:pointer; outline:none; }
.region .halo { fill:var(--rc); opacity:.14; transition:opacity .25s; }
.region .pulse { fill:none; stroke:var(--rc); stroke-width:2; opacity:.6; transform-box:fill-box; transform-origin:center; animation:map-pulse 2.6s ease-out infinite; }
.region .core { fill:var(--rc); }
.region:hover .halo, .region:focus .halo, .region.active .halo { opacity:.32; }
.region:focus-visible .core { stroke:var(--text); stroke-width:3; }
@keyframes map-pulse { 0%{transform:scale(.6);opacity:.7} 100%{transform:scale(1.8);opacity:0} }
.map-info { position:absolute; left:24px; bottom:24px; max-width:340px; background:var(--panel-bg); border:1px solid var(--border-strong); border-radius:16px; padding:18px 20px; box-shadow:var(--shadow); }
.map-info h4 { font-size:1.1rem; margin-bottom:6px; }
.map-info p { color:var(--text-mid); font-size:14px; }
.map-legend { display:flex; flex-wrap:wrap; gap:18px; margin-top:16px; justify-content:center; font-size:13px; color:var(--text-mid); }
.map-legend span { display:inline-flex; align-items:center; gap:8px; }
.map-legend i { width:10px; height:10px; border-radius:50%; background:var(--purple); }
.map-legend i.hollow { background:none; border:1px dashed var(--text-dim); }
.region-tabs { display:flex; gap:8px; justify-content:center; margin-top:16px; flex-wrap:wrap; }
.region-tabs button { font:600 13px var(--font-body); padding:8px 14px; border-radius:999px; border:1px solid var(--border-strong); background:var(--surface); color:var(--text); cursor:pointer; }
.region-tabs button[aria-pressed="true"] { background:var(--grad-ai); color:#fff; border-color:transparent; }

/* ============ DIFFERENTIALS ============ */
.diffs { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.diff { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:26px 24px; transition:all .3s; }
.diff:hover { border-color:var(--border-strong); transform:translateY(-4px); }
.diff-ico { width:44px; height:44px; display:grid; place-items:center; border-radius:12px; background:var(--surface-2); border:1px solid var(--border); color:var(--cyan); margin-bottom:16px; }
.diff h3 { font-size:1.1rem; margin-bottom:8px; }
.diff p { color:var(--text-mid); font-size:14px; margin-bottom:12px; }
.diff .benefit { font-size:13px; color:var(--text); padding-top:12px; border-top:1px dashed var(--border); }
.diff .benefit b { font:700 10.5px var(--font-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--purple); display:block; margin-bottom:2px; }

/* ============ PIPELINE / USE CASES / STATS (preservados) ============ */
.pipeline-section { background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(168,85,247,.08),transparent 60%); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.pipeline { display:grid; grid-template-columns:repeat(4,1fr); position:relative; }
.pipeline::before { content:''; position:absolute; top:38px; left:12%; right:12%; height:1px; background:linear-gradient(90deg,transparent,rgba(168,85,247,.5) 25%,rgba(59,130,246,.5) 50%,rgba(34,211,238,.5) 75%,transparent); }
.step { text-align:center; position:relative; z-index:1; padding:0 8px; }
.step-num { width:76px; height:76px; margin:0 auto 22px; background:var(--bg); border:1px solid var(--purple); border-radius:50%; display:grid; place-items:center; font:700 1.3rem var(--font-head); }
.step-num .n { background:var(--grad-ai); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.step h4 { font-size:1.05rem; margin-bottom:8px; }
.step p { color:var(--text-mid); font-size:13.5px; max-width:220px; margin:0 auto; }
.use-cases { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.use-case { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; transition:all .3s; }
.use-case:hover { border-color:var(--border-strong); transform:translateY(-4px); }
.use-case-ico { width:44px; height:44px; display:grid; place-items:center; background:var(--surface-2); border:1px solid var(--border); border-radius:12px; margin-bottom:18px; color:var(--cyan); }
.use-case h3 { font-size:1.1rem; margin-bottom:8px; }
.use-case p { color:var(--text-mid); font-size:13.5px; }
.tech-stats { display:grid; grid-template-columns:repeat(4,1fr); background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.tech-stat { padding:36px 28px; border-right:1px solid var(--border); }
.tech-stat:last-child { border-right:none; }
.tech-stat .v { font:800 clamp(2rem,4vw,3rem) var(--font-head); line-height:1; margin-bottom:10px; -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.tech-stat:nth-child(1) .v { background-image:var(--grad-voice); }
.tech-stat:nth-child(2) .v { background-image:var(--grad-data); }
.tech-stat:nth-child(3) .v { background-image:var(--grad-sms); }
.tech-stat:nth-child(4) .v { background-image:var(--grad-ai); }
.tech-stat .l { font-size:.92rem; font-weight:600; margin-bottom:4px; }
.tech-stat .s { font:11px var(--font-mono); letter-spacing:.12em; color:var(--text-dim); text-transform:uppercase; }

/* ============ CONTRACT FORM ============ */
.cta-block { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:64px 56px; text-align:center; position:relative; overflow:hidden; }
.cta-block h2 { font-size:clamp(2rem,4vw,3rem); margin-bottom:16px; }
.cta-block > p { color:var(--text-mid); max-width:600px; margin:0 auto 28px; }
.btn-row { display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }
.contact-form { max-width:720px; margin:44px auto 0; background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius); padding:34px; text-align:left; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-group { margin-bottom:16px; }
.contact-form label { display:block; font:600 11px var(--font-mono); letter-spacing:.12em; color:var(--text-mid); text-transform:uppercase; margin-bottom:6px; }
.contact-form label .req { color:var(--magenta); }
.contact-form input, .contact-form select, .contact-form textarea { width:100%; padding:13px 15px; background:var(--input-bg); border:1px solid var(--border-strong); border-radius:10px; color:var(--text); font:14.5px var(--font-body); transition:border-color .2s, box-shadow .2s; }
.contact-form select option { background:var(--bg-2); color:var(--text); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline:none; border-color:var(--purple); box-shadow:0 0 0 3px rgba(168,85,247,.15); }
.contact-form textarea { resize:vertical; min-height:110px; }
.contact-form [aria-invalid="true"] { border-color:var(--err); }
.field-error { display:block; min-height:18px; font-size:12.5px; color:var(--err); margin-top:4px; }
.check { display:flex; gap:10px; align-items:flex-start; font-size:13.5px; color:var(--text-mid); text-transform:none !important; letter-spacing:0 !important; font-family:var(--font-body) !important; font-weight:400 !important; cursor:pointer; }
.check input { width:18px !important; height:18px; margin-top:2px; flex-shrink:0; accent-color:var(--purple); }
.hp { position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form-status { margin-top:14px; padding:14px 16px; border-radius:12px; font-size:14px; display:none; }
.form-status.show { display:block; }
.form-status.ok { background:rgba(34,197,94,.1); border:1px solid rgba(34,197,94,.4); color:var(--ok); }
.form-status.err { background:rgba(248,113,113,.1); border:1px solid rgba(248,113,113,.4); color:var(--err); }
.form-status a { text-decoration:underline; }
.contact-form .btn[type="submit"] { width:100%; margin-top:6px; }

/* ============ FOOTER ============ */
footer { border-top:1px solid var(--border); background:var(--header-bg); padding:70px 0 30px; position:relative; z-index:2; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:48px; margin-bottom:48px; }
.footer-brand .logo img { height:52px; }
.footer-brand p { color:var(--text-mid); font-size:14px; margin-top:18px; max-width:290px; }
.footer-col h4 { font:700 11px var(--font-mono); letter-spacing:.18em; color:var(--cyan); text-transform:uppercase; margin-bottom:18px; }
.footer-col ul { list-style:none; display:flex; flex-direction:column; gap:12px; }
.footer-col a, .footer-col li { color:var(--text-mid); font-size:14px; }
.footer-col a:hover { color:var(--text); }
.footer-line { border-top:1px solid var(--border); padding-top:24px; display:flex; justify-content:space-between; gap:12px; font:11px var(--font-mono); letter-spacing:.1em; color:var(--text-dim); text-transform:uppercase; }

/* ============ FLOATING: WhatsApp + Chatbot ============ */
.fab-stack { position:fixed; right:22px; bottom:22px; z-index:120; display:flex; flex-direction:column; gap:12px; align-items:flex-end; }
.fab { width:56px; height:56px; border-radius:50%; display:grid; place-items:center; border:0; cursor:pointer; color:#fff; box-shadow:0 12px 32px rgba(0,0,0,.35); transition:transform .25s; }
.fab:hover { transform:scale(1.06); }
.fab-wa { background:linear-gradient(135deg,#25d366,#128c7e); }
.fab-chat { background:var(--grad-ai); }

.panel { position:fixed; right:22px; bottom:92px; z-index:130; width:min(380px,calc(100vw - 32px)); max-height:min(620px,calc(100vh - 120px)); display:none; flex-direction:column; background:var(--panel-bg); border:1px solid var(--border-strong); border-radius:20px; box-shadow:var(--shadow); overflow:hidden; }
.panel.open { display:flex; }
.panel-head { display:flex; align-items:center; gap:12px; padding:14px 16px; border-bottom:1px solid var(--border); }
.panel-head .avatar { width:36px; height:36px; border-radius:50%; display:grid; place-items:center; background:var(--grad-ai); color:#fff; flex-shrink:0; }
.panel-head .wa-avatar { background:linear-gradient(135deg,#25d366,#128c7e); }
.panel-head b { display:block; font:700 14.5px var(--font-head); }
.panel-head small { color:var(--text-dim); font-size:12px; }
.panel-head .icon-btn { margin-left:auto; width:34px; height:34px; }
.panel-body { padding:16px; overflow-y:auto; flex:1; display:flex; flex-direction:column; gap:10px; }
.msg { max-width:88%; padding:10px 13px; border-radius:14px; font-size:14px; line-height:1.45; white-space:pre-wrap; word-wrap:break-word; }
.msg.bot { background:var(--surface-2); border:1px solid var(--border); align-self:flex-start; border-bottom-left-radius:4px; }
.msg.user { background:var(--grad-ai); color:#fff; align-self:flex-end; border-bottom-right-radius:4px; }
.chips { display:flex; flex-wrap:wrap; gap:8px; }
.chip { font:600 13px var(--font-body); padding:8px 13px; border-radius:999px; border:1px solid var(--border-strong); background:var(--surface); color:var(--text); cursor:pointer; text-align:left; }
.chip:hover { border-color:var(--purple); }
.chip.primary { background:var(--grad-ai); color:#fff; border-color:transparent; }
.panel-input { display:flex; gap:8px; padding:12px; border-top:1px solid var(--border); }
.panel-input input { flex:1; min-width:0; padding:11px 13px; border-radius:12px; border:1px solid var(--border-strong); background:var(--input-bg); color:var(--text); font:14px var(--font-body); }
.panel-input input:focus { outline:none; border-color:var(--purple); }
.panel-input button { width:42px; border-radius:12px; border:0; background:var(--grad-ai); color:#fff; cursor:pointer; display:grid; place-items:center; }
.panel-input[hidden] { display:none; }
.panel-note { font-size:11.5px; color:var(--text-dim); padding:0 16px 12px; }
.summary-box { font:12.5px/1.5 var(--font-mono); background:var(--surface); border:1px dashed var(--border-strong); border-radius:12px; padding:12px; white-space:pre-wrap; }

.toast { position:fixed; left:50%; bottom:24px; transform:translate(-50%,20px); z-index:400; background:var(--panel-bg); border:1px solid var(--purple); color:var(--text); padding:12px 18px; border-radius:12px; font-size:14px; box-shadow:var(--shadow); opacity:0; pointer-events:none; transition:all .3s; max-width:calc(100vw - 32px); }
.toast.show { opacity:1; transform:translate(-50%,0); }

/* Reveal */
.reveal { opacity:0; transform:translateY(24px); transition:opacity .8s, transform .8s; }
.reveal.is-visible { opacity:1; transform:none; }
.no-js .reveal { opacity:1; transform:none; }

/* ============ RESPONSIVE ============ */
@media (max-width:1180px) {
  .main-nav ul { gap:16px; }
  .btn-client .lbl-long { display:none; }
}
@media (max-width:1024px) {
  .container { padding:0 24px; }
  .menu-toggle { display:grid; }
  .main-nav { position:absolute; top:100%; left:16px; right:16px; margin:0; display:none; }
  .main-nav.open { display:block; }
  .main-nav ul { flex-direction:column; align-items:stretch; gap:4px; background:var(--panel-bg); border:1px solid var(--border-strong); border-radius:var(--radius); padding:14px; box-shadow:var(--shadow); }
  .main-nav a { display:block; padding:10px 12px; border-radius:10px; font-size:15px; }
  .main-nav a:hover { background:var(--surface-2); }
  .header-tools { margin-left:auto; }
  .mobile-only { display:block; }
  .products { grid-template-columns:1fr 1fr; }
  .products .product, .products .product:nth-child(4) { grid-column:span 1; }
  .products .product:nth-child(5) { grid-column:span 2; }
  .dc-grid { grid-template-columns:1fr; gap:36px; }
  .diffs { grid-template-columns:1fr 1fr; }
  .use-cases { grid-template-columns:repeat(2,1fr); }
  .tech-stats { grid-template-columns:1fr 1fr; }
  .tech-stat:nth-child(2) { border-right:none; }
  .tech-stat:nth-child(-n+2) { border-bottom:1px solid var(--border); }
  .pipeline { grid-template-columns:1fr 1fr; gap:36px; }
  .pipeline::before { display:none; }
  .metric-ticker { grid-template-columns:1fr 1fr; }
  .metric:nth-child(2) { border-right:none; }
  .metric:nth-child(-n+2) { border-bottom:1px solid var(--border); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:36px; }
  .map-info { position:static; max-width:none; margin-top:16px; }
}
@media (max-width:720px) {
  .container { padding:0 16px; }
  header .container { gap:8px; }
  .logo { padding:6px 12px; border-radius:12px; }
  .logo img { height:30px; }
  .header-tools { gap:6px; }
  .icon-btn { width:36px; height:36px; border-radius:10px; }
  .header-tools .btn-cta { display:none; }
  .btn-client { padding:0 !important; width:36px; height:36px; }
  .btn-client .lbl { display:none; }
  section { padding:70px 0; }
  .hero { padding:48px 0 40px; }
  .waveform-container { padding:18px 20px; }
  .hero-cta .btn { flex:1 1 100%; }
  .products { grid-template-columns:1fr; }
  .products .product, .products .product:nth-child(5) { grid-column:span 1; }
  .benefits { grid-template-columns:1fr; }
  .diffs, .use-cases, .pipeline, .tech-stats { grid-template-columns:1fr; }
  .tech-stat { border-right:none !important; border-bottom:1px solid var(--border); }
  .tech-stat:last-child { border-bottom:none; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-line { flex-direction:column; }
  .cta-block { padding:40px 20px; }
  .contact-form { padding:22px 16px; }
  .form-row { grid-template-columns:1fr; }
  .map-wrap { padding:12px; }
  .panel { right:16px; bottom:86px; }
  .fab-stack { right:16px; bottom:16px; }
  .fab { width:52px; height:52px; }
}
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .reveal { opacity:1; transform:none; }
}

/* ============ PORTFÓLIO: 5 cards lado a lado / carrossel ============ */
.products { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:14px; }
.products .product, .products .product:nth-child(4), .products .product:nth-child(5) { grid-column:auto; }
.product { padding:24px 18px 20px; border-radius:22px; }
.product-top { margin-bottom:16px; }
.product-ico { width:42px; height:42px; border-radius:12px; }
.product-ico svg { width:22px; height:22px; }
.product h3 { font-size:1.18rem; }
.product p { font-size:.86rem; line-height:1.5; margin-bottom:16px; }
.product ul { gap:8px; margin-bottom:20px; }
.product li { font-size:13px; gap:8px; }
.product li::before { width:6px; height:6px; margin-top:6px; }
.product-link { font-size:10.5px; letter-spacing:.08em; white-space:normal; text-align:left; }
@media (max-width:1280px) {
  .products { display:flex; overflow-x:auto; scroll-snap-type:x mandatory; padding:6px 2px 18px; scrollbar-width:thin; }
  .products .product { flex:0 0 clamp(250px, 30%, 300px); scroll-snap-align:start; }
}
@media (max-width:720px) {
  .products { margin:0 -16px; padding:6px 16px 18px; scroll-padding:0 16px; }
  .products .product { flex-basis:82%; }
}