/* ==========================================================
   NeurI'A Criativa — estilos do site
   Para trocar cores ou fontes, edite só as variáveis em :root.
   ========================================================== */
:root{
  --bg: oklch(0.14 0.012 60);
  --bg-deep: oklch(0.10 0.01 60);
  --fg: oklch(0.96 0.015 80);
  --card: oklch(0.18 0.014 60);
  --primary: oklch(0.78 0.13 75);
  --accent: oklch(0.85 0.14 80);
  --gold-soft: oklch(0.65 0.1 75);
  --muted: oklch(0.72 0.02 75);
  --border: oklch(0.30 0.018 65);
  --navy: #0d1a36;
  --navy-2: #12254d;
  --grad-gold: linear-gradient(135deg, oklch(0.85 0.14 80), oklch(0.62 0.11 60));
  --display: "Playfair Display", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;text-wrap:balance}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.wrap{max-width:1160px;margin:0 auto;padding-inline:24px}
.sec{padding-block:96px}
.gold{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--primary)}
.sec-h{display:grid;gap:14px;max-width:720px;margin-bottom:48px}
.sec-h.center{margin-inline:auto;text-align:center}
.sec-h h2{font-size:clamp(30px,4.4vw,48px);line-height:1.12}
.sec-h p{color:var(--muted);font-size:18px}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:var(--sans);transition:filter .2s,border-color .2s,color .2s}
.btn-gold{background:var(--grad-gold);color:oklch(0.16 0.012 60);box-shadow:0 10px 40px -10px oklch(0.78 0.13 75 / .45)}
.btn-gold:hover{filter:brightness(1.08)}
.btn-line{border-color:var(--gold-soft);color:var(--fg);background:transparent}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--gold-soft);border-radius:999px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}

/* cabeçalho */
.header{position:sticky;top:0;z-index:30;background:oklch(0.14 0.012 60 / .88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:40px;height:44px;object-fit:cover;object-position:center 30%;border-radius:8px;mix-blend-mode:screen}
.brand span{font-family:var(--display);font-size:22px;font-weight:600;color:var(--accent);line-height:1}
.brand small{font-family:var(--sans);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-left:4px}
.nav{display:flex;gap:28px}
.nav a{font-size:14px;color:var(--muted);padding:8px 2px}
.nav a:hover{color:var(--accent)}
.menu-btn{display:none;background:none;border:1px solid var(--border);color:var(--fg);border-radius:10px;width:44px;height:44px;cursor:pointer;font-size:20px}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1000px 520px at 78% 20%, oklch(0.24 0.04 75 / .55), transparent 70%), linear-gradient(180deg, var(--bg), var(--bg-deep))}
.orb{position:absolute;border-radius:50%;pointer-events:none}
.hero .wrap{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:40px 56px;padding-block:88px 96px}
.hero-text{flex:1 1 520px;min-width:0;display:grid;gap:28px}
.hero h1{font-size:clamp(42px,6.2vw,80px);line-height:1.04;letter-spacing:-.01em}
.hero p.lead{font-size:19px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.facts{display:flex;gap:12px 36px;flex-wrap:wrap;padding-top:20px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.facts b{font-family:var(--display);font-size:22px;color:var(--accent);font-weight:600}
.hero-art{flex:0 1 360px;min-width:0;margin-inline:auto}
.hero-art img{width:100%;height:auto;filter:drop-shadow(0 0 36px oklch(0.78 0.13 75 / .45))}

/* serviços */
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:24px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden}
.svc{transition:border-color .2s, transform .2s}
.svc:hover{border-color:var(--gold-soft);transform:translateY(-3px)}
.svc img{width:100%;aspect-ratio:3/1;object-fit:cover}
.svc-body{padding:26px 28px 30px}
.svc h3{font-size:26px}
.svc ul{margin-top:16px;display:grid;gap:8px;color:var(--muted);font-size:15px}
.svc li{display:flex;gap:10px}
.svc li::before{content:"✓";color:var(--primary);font-weight:600}
.novo{margin-top:28px;padding:30px;border-radius:16px;border:1px solid var(--gold-soft);background:linear-gradient(160deg, var(--navy-2), var(--card) 70%)}
.novo-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.novo-head h3{font-size:28px}
.novo .grid2 .card{padding:26px 28px;background:oklch(0.16 0.014 60 / .7)}
.novo .card h4{font-size:22px;margin-bottom:6px}
.novo .card p{color:var(--muted);font-size:15px}
.novo .card ul{margin-top:14px;display:grid;gap:8px;color:var(--muted);font-size:15px}
.novo .card li{display:flex;gap:10px}
.novo .card li::before{content:"→";color:var(--primary);font-weight:600}

/* campanha */
.campanha{background:linear-gradient(180deg, var(--navy), #0a1429);border-block:1px solid oklch(0.35 0.05 75)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:34px 26px}
.step{position:relative;padding-top:22px;border-top:1px solid oklch(0.45 0.05 75)}
.step b{position:absolute;top:-14px;left:0;width:28px;height:28px;border-radius:50%;background:var(--navy);border:1px solid var(--primary);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:13px;font-family:var(--sans)}
.step h4{font-size:20px;margin-bottom:8px}
.step p{color:oklch(0.80 0.02 75);font-size:15px}

/* drone */
.drone .wrap{display:flex;flex-wrap:wrap;gap:48px 64px;align-items:flex-start}
.drone-text{flex:1 1 440px;min-width:0;display:grid;gap:22px}
.drone-text h2{font-size:clamp(30px,4.4vw,48px);line-height:1.12}
.drone-text>p{color:var(--muted);font-size:18px}
.notice{border:1px solid var(--gold-soft);border-radius:14px;padding:20px 22px;background:oklch(0.18 0.02 70);display:grid;gap:8px}
.notice b{font-family:var(--display);font-size:20px;color:var(--accent);font-weight:600}
.notice p{color:var(--muted);font-size:15px}
.drone-list{flex:1 1 400px;min-width:0;display:grid;gap:14px}
.drone-list .card{padding:22px 26px}
.drone-list h4{font-size:21px;margin-bottom:4px}
.drone-list p{color:var(--muted);font-size:15px}
.limits{margin-top:6px;font-size:14px;color:var(--muted)}
.limits b{color:var(--accent);font-weight:600}

/* antes e depois */
.ba-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px}
.ba{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:12px}
.ba-frame{position:relative;overflow:hidden;border-radius:10px;aspect-ratio:1/1;user-select:none;touch-action:pan-y}
.ba-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-after{clip-path:inset(0 0 0 var(--pos,50%))}
.ba-line{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;background:var(--accent);transform:translateX(-1px);pointer-events:none}
.ba-knob{position:absolute;top:50%;left:var(--pos,50%);width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:var(--grad-gold);color:oklch(0.16 0.012 60);display:flex;align-items:center;justify-content:center;font-weight:700;pointer-events:none;box-shadow:0 6px 24px rgba(0,0,0,.5)}
.ba-tag{position:absolute;top:12px;padding:4px 12px;border-radius:999px;background:rgba(0,0,0,.55);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;pointer-events:none}
.ba-tag.l{left:12px;color:var(--fg)}
.ba-tag.r{right:12px;color:var(--accent)}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba-frame:focus-within{outline:2px solid var(--accent);outline-offset:3px}
.ba figcaption{padding:12px 6px 4px;font-family:var(--display);font-style:italic;color:var(--muted);font-size:14px;text-align:center}

/* diferencial */
.dif{background:var(--bg-deep);border-block:1px solid var(--border)}
.cmp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:20px;max-width:960px;margin-inline:auto}
.cmp-grid .card{padding:28px}
.cmp-grid h3{font-size:24px;margin-bottom:10px}
.cmp-grid li{padding:12px 0;border-bottom:1px solid var(--border)}
.cmp-grid li:last-child{border:0}
.quote{text-align:center;margin:40px auto 0;max-width:640px;font-family:var(--display);font-size:24px;line-height:1.4}

/* pacotes */
.pkg{display:flex;flex-direction:column;gap:20px;padding:30px;position:relative;overflow:visible}
.pkg h3{font-size:28px}
.pkg .sub{color:var(--muted);font-size:14px}
.pkg .price small{display:block;font-size:13px;color:var(--muted)}
.pkg .price strong{font-family:var(--display);font-size:46px;font-weight:600;color:var(--accent);line-height:1.1}
.pkg .price strong.sm{font-size:22px;font-style:italic}
.pkg ul{display:grid;gap:10px;font-size:15px;color:var(--muted)}
.pkg li{display:flex;gap:10px}
.pkg li::before{content:"✓";color:var(--primary);font-weight:600}
.pkg .btn{margin-top:auto}
.pkg.best{border:2px solid var(--primary);background:linear-gradient(170deg, oklch(0.22 0.03 72), var(--card));box-shadow:0 24px 70px -24px oklch(0.78 0.13 75 / .45)}
.pkg .flag{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--bg);white-space:nowrap}
.note{margin-top:28px;text-align:center;color:var(--muted);font-size:14px}

/* depoimentos (oculto por padrão: ver index.html) */
.dep blockquote{margin:0;padding:28px}
.dep blockquote p{font-family:var(--display);font-style:italic;font-size:20px}
.dep cite{display:block;margin-top:18px;font-style:normal;font-size:14px;color:var(--muted)}
.dep cite b{color:var(--accent)}

/* contato */
.contato{background:radial-gradient(900px 480px at 15% 0%, oklch(0.22 0.035 75 / .5), transparent 70%), var(--bg)}
.contato .wrap{display:flex;flex-wrap:wrap;gap:48px 64px}
.contato-info{flex:1 1 380px;min-width:0;display:grid;gap:22px;align-content:start}
.contato-info h2{font-size:clamp(30px,4.4vw,48px);line-height:1.12}
.contato-info>p{color:var(--muted);font-size:18px}
.contato-info dl{display:grid;gap:14px;margin:0}
.contato-info dt{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:600}
.contato-info dd{margin:0}
.form{flex:1 1 420px;min-width:0;display:grid;gap:16px;padding:32px}
.field{display:grid;gap:6px}
.field label{font-size:13px;color:var(--muted);font-weight:500}
.inp{width:100%;min-height:48px;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--bg-deep);color:var(--fg);font:inherit;font-size:15px}
textarea.inp{min-height:120px;resize:vertical}
.inp::placeholder{color:oklch(0.55 0.02 75)}
.form-msg{font-size:14px;color:var(--muted);min-height:1.4em}

/* rodapé e whatsapp flutuante */
.footer{border-top:1px solid var(--border);background:var(--bg-deep);padding-block:36px}
.footer .wrap{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;color:var(--muted);font-size:14px}
.footer .brand-sm{display:flex;align-items:center;gap:12px}
.footer .brand-sm img{width:30px;height:33px;object-fit:cover;object-position:center 30%;mix-blend-mode:screen}
.footer nav{display:flex;gap:22px}
.footer nav a{color:var(--accent)}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:40;width:56px;height:56px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 28px rgba(0,0,0,.5)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* responsivo */
@media (max-width:820px){
  .sec{padding-block:64px}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--border);padding:8px 24px 16px}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--border)}
  .header .btn-gold{display:none}
  .hero-art{order:-1;max-width:220px}
}
@media (prefers-reduced-motion:no-preference){
  .float{animation:fl 7s ease-in-out infinite}
  @keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
}

.drone-art{flex:0 0 100%;margin:0 0 -8px;border-radius:18px;overflow:hidden;border:1px solid var(--gold-soft);box-shadow:0 20px 60px -20px oklch(0.78 0.13 75 / .35)}
.drone-art img{display:block;width:100%;height:auto}
.drone-art img{aspect-ratio:21/9;object-fit:cover;object-position:50% 38%}
@media (max-width:820px){.drone-art img{aspect-ratio:4/3}}

.brain-stage{position:relative;width:100%;aspect-ratio:1/1;max-width:520px;margin-inline:auto}
.brain-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.brain-stage .brain-fallback{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 0 36px oklch(0.78 0.13 75 / .45))}
.brain-stage.has-3d .brain-fallback{display:none}
.hero-art{flex:0 1 480px}

.drone-art{position:relative}
.drone-art.has-3d{aspect-ratio:16/9;background:
  radial-gradient(60% 55% at 50% 108%, #ffe3a0 0%, rgba(240,180,60,.55) 28%, rgba(240,180,60,0) 70%),
  radial-gradient(40% 30% at 18% 30%, rgba(126,166,255,.22), transparent 70%),
  linear-gradient(180deg,#070d1f 0%,#13224a 45%,#4a3a3a 74%,#c98a3a 100%)}
.drone-art.has-3d::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1.2px 1.2px at 12% 14%,#fff,transparent),radial-gradient(1px 1px at 28% 8%,#fff,transparent),
  radial-gradient(1.3px 1.3px at 47% 18%,#fff,transparent),radial-gradient(1px 1px at 66% 9%,#fff,transparent),
  radial-gradient(1.2px 1.2px at 83% 16%,#fff,transparent),radial-gradient(1px 1px at 92% 7%,#fff,transparent),
  radial-gradient(1px 1px at 38% 30%,#fff,transparent),radial-gradient(1.1px 1.1px at 74% 28%,#fff,transparent);opacity:.85;pointer-events:none}
.drone-art.has-3d::after{content:"";position:absolute;left:0;right:0;bottom:0;height:16%;background:linear-gradient(180deg,transparent,rgba(10,8,6,.55)),radial-gradient(120% 100% at 30% 100%,#1b140c 40%,transparent 41%),radial-gradient(120% 100% at 80% 100%,#150f09 40%,transparent 41%);pointer-events:none}
.drone-art canvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1}
.drone-art.has-3d .drone-fallback{display:none}
@media (max-width:820px){.drone-art.has-3d{aspect-ratio:4/3}}

/* Drone: vídeo revelado por um portal no céu */
@property --r{syntax:'<length>';inherits:true;initial-value:0px}
.drone-art{container-type:size;aspect-ratio:16/9;background:
  radial-gradient(60% 55% at 50% 108%, #ffe3a0 0%, rgba(240,180,60,.5) 28%, rgba(240,180,60,0) 70%),
  radial-gradient(40% 30% at 18% 30%, rgba(126,166,255,.2), transparent 70%),
  linear-gradient(180deg,#070d1f 0%,#13224a 45%,#4a3a3a 74%,#c98a3a 100%);--r:0px}
.drone-art.peek{--r:7cqw}
.drone-art.open{--r:62cqw}
.drone-art.peek,.drone-art.open{transition:--r 1.5s cubic-bezier(.22,.8,.22,1)}
.drone-art.peek:not(.open){transition-duration:.9s}
.portal-mask{position:absolute;inset:0;clip-path:circle(var(--r) at 50% 50%)}
.portal-mask video{width:100%;height:100%;object-fit:cover;display:block}
.portal-ring{position:absolute;left:50%;top:50%;width:calc(var(--r)*2);height:calc(var(--r)*2);transform:translate(-50%,-50%);border-radius:50%;
  border:3px solid #ffd36a;box-shadow:0 0 28px 6px rgba(255,200,90,.65),inset 0 0 36px 8px rgba(255,200,90,.45),0 0 90px 24px rgba(80,120,255,.25);
  pointer-events:none;opacity:1;transition:opacity .25s}
.drone-art.open .portal-ring{opacity:0;transition:opacity .7s .9s}
.drone-art:not(.peek):not(.open) .portal-ring{opacity:0}
@media (max-width:820px){.drone-art{aspect-ratio:4/3}}
@media (prefers-reduced-motion:reduce){.drone-art{--r:70cqw !important;transition:none !important}.portal-ring{display:none}}