/* ===== TECNOBOOK — paleta 70% preto / 20% dourado / 10% branco ===== */
:root{
  --brand-primary:#F5B10A;      /* dourado/amarelo */
  --brand-secondary:#FFD34E;    /* amarelo claro */
  --brand-accent:#FFC107;
  --background-primary:#0A0A0C;
  --background-secondary:#101014;
  --surface-primary:#16161B;
  --surface-secondary:#1E1E25;
  --border:#2A2A32;
  --text-primary:#FFFFFF;
  --text-secondary:#A9A9B4;
  --success:#28c76f;
  --warning:#ff9f43;
  --error:#ea5455;
  --wpp:#25D366;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --maxw:1200px;
  --header-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--background-primary);
  color:var(--text-primary);
  line-height:1.55;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.gold{color:var(--brand-primary)}
.muted{color:var(--text-secondary)}
section{padding:72px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 44px}
.section-head h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800;letter-spacing:-.02em}
.section-head p{color:var(--text-secondary);margin-top:12px;font-size:1.05rem}
.eyebrow{color:var(--brand-primary);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}

/* ===== Botões ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;font-weight:700;font-size:.95rem;transition:.2s transform,.2s box-shadow,.2s background;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand-primary);color:#000}
.btn-primary:hover{background:var(--brand-secondary);box-shadow:0 8px 24px rgba(245,177,10,.35)}
.btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text-primary)}
.btn-ghost:hover{border-color:var(--brand-primary);color:var(--brand-primary)}
.btn-wpp{background:var(--wpp);color:#fff}
.btn-wpp:hover{filter:brightness(1.08);box-shadow:0 8px 24px rgba(37,211,102,.35)}
.btn-sm{padding:9px 14px;font-size:.85rem;border-radius:10px}
.btn-block{width:100%;justify-content:center}

/* ===== Header ===== */
header#top{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:100;
  background:rgba(10,10,12,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav{height:100%;display:flex;align-items:center;gap:20px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.25rem;letter-spacing:-.02em}
.brand .logo-mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--brand-primary),#b97f00);
  display:grid;place-items:center;color:#000;font-weight:900;font-size:1.1rem}
.brand b{color:var(--brand-primary)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{font-size:.92rem;font-weight:600;color:var(--text-secondary);transition:.2s}
.nav-links a:hover{color:var(--text-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--surface-primary);border:1px solid var(--border);position:relative;font-size:1.1rem}
.icon-btn:hover{border-color:var(--brand-primary)}
.cart-count{position:absolute;top:-6px;right:-6px;background:var(--brand-primary);color:#000;font-size:.7rem;font-weight:800;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px}
.lang-switch{display:flex;gap:2px;background:var(--surface-primary);border:1px solid var(--border);border-radius:11px;padding:3px}
.lang-switch button{padding:6px 9px;border-radius:8px;font-size:.75rem;font-weight:700;color:var(--text-secondary)}
.lang-switch button.active{background:var(--brand-primary);color:#000}
.hamburger{display:none}

/* Mobile drawer */
@media(max-width:960px){
  .nav-links{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;background:var(--background-secondary);
    border-bottom:1px solid var(--border);padding:18px 20px;gap:6px;transform:translateY(-120%);transition:.3s;box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;padding:12px 8px;border-radius:10px;font-size:1rem;color:var(--text-primary)}
  .nav-links a:hover{background:var(--surface-primary)}
  .hamburger{display:grid}
  .nav-desktop-only{display:none}
}

/* ===== Hero ===== */
.hero{padding-top:calc(var(--header-h) + 60px);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-20%;right:-10%;width:60%;height:80%;
  background:radial-gradient(circle,rgba(245,177,10,.16),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:900;letter-spacing:-.03em;line-height:1.05}
.hero h1 span{color:var(--brand-primary)}
.hero .sub{color:var(--text-secondary);font-size:1.12rem;margin:22px 0 30px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;color:var(--text-secondary);
  background:var(--surface-primary);border:1px solid var(--border);padding:8px 13px;border-radius:999px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-primary)}
.hero-visual{position:relative;display:grid;place-items:center}
.hero-visual .big{font-size:8rem;filter:grayscale(.1)}
.hero-visual .float{position:absolute;z-index:3;background:var(--surface-primary);border:1px solid var(--border);border-radius:14px;padding:12px 15px;box-shadow:var(--shadow)}
.hero-visual .float b{color:var(--brand-primary);font-size:1.35rem;display:block}
.hero-visual .f1{top:22px;left:-14px}
.hero-visual .f2{bottom:22px;right:-14px}

/* Hero video + borde neón amarillo animado */
.hero-media{position:relative;width:100%;max-width:340px;aspect-ratio:9/16;max-height:74vh;
  padding:3px;border-radius:26px;isolation:isolate;
  box-shadow:0 0 26px rgba(245,177,10,.35),0 0 62px rgba(245,177,10,.14);
  animation:heroGlow 2.8s ease-in-out infinite}
.hero-media::before{content:"";position:absolute;inset:-45%;z-index:-2;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0 62%,rgba(245,177,10,.55) 74%,#F5B10A 84%,#fff4c2 90%,#F5B10A 95%,transparent 100%);
  animation:heroSpin 3.6s linear infinite}
.hero-media::after{content:"";position:absolute;inset:3px;z-index:-1;border-radius:23px;background:#0a0a0a}
.hero-video{width:100%;height:100%;object-fit:cover;border-radius:23px;display:block}
@keyframes heroSpin{to{transform:rotate(1turn)}}
@keyframes heroGlow{50%{box-shadow:0 0 40px rgba(245,177,10,.6),0 0 96px rgba(245,177,10,.26)}}
@media(prefers-reduced-motion:reduce){.hero-media,.hero-media::before{animation:none}}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero-visual{max-width:340px;margin:0 auto}}

/* ===== Benefícios ===== */
.benefits{background:var(--background-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:40px 0}
.benefits-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.benefit{text-align:center;padding:10px}
.benefit .ico{font-size:1.9rem;margin-bottom:8px}
.benefit h4{font-size:.98rem;font-weight:700}
.benefit p{font-size:.82rem;color:var(--text-secondary);margin-top:4px}
@media(max-width:900px){.benefits-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.benefits-grid{grid-template-columns:1fr}}

/* ===== Cards genéricos ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.card{background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:.25s}
.card:hover{border-color:var(--brand-primary);transform:translateY(-4px)}
.card .ico{width:52px;height:52px;border-radius:13px;background:rgba(245,177,10,.12);display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px}
.card h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.card p{color:var(--text-secondary);font-size:.92rem;margin-bottom:16px}
.card .card-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ===== LCD vs OLED ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:900px;margin:0 auto}
.compare .col{background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.compare .col.oled{border-color:var(--brand-primary);background:linear-gradient(180deg,rgba(245,177,10,.06),transparent)}
.compare h3{font-size:1.4rem;margin-bottom:16px}
.compare ul{list-style:none;display:grid;gap:10px}
.compare li{display:flex;gap:10px;color:var(--text-secondary);font-size:.94rem}
.compare li::before{content:"✓";color:var(--brand-primary);font-weight:800}
.compare-note{text-align:center;color:var(--text-secondary);font-size:.9rem;max-width:640px;margin:24px auto 0}
@media(max-width:640px){.compare{grid-template-columns:1fr}}

/* ===== Processo ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.step{background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);padding:22px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-14px;left:20px;width:34px;height:34px;border-radius:10px;
  background:var(--brand-primary);color:#000;font-weight:900;display:grid;place-items:center}
.step h4{margin:14px 0 6px;font-size:1rem}
.step p{color:var(--text-secondary);font-size:.86rem}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ===== Formulário ===== */
.form-wrap{max-width:720px;margin:0 auto;background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);padding:34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}
.field input,.field select,.field textarea{background:var(--background-primary);border:1px solid var(--border);border-radius:10px;
  padding:12px 14px;color:var(--text-primary);font-size:.95rem;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-primary)}
.field textarea{resize:vertical;min-height:90px}
.check{flex-direction:row;align-items:center;gap:10px}
.check input{width:18px;height:18px;accent-color:var(--brand-primary)}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}

/* ===== Catálogo ===== */
.catalog-toolbar{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-bottom:28px}
.search-box{flex:1;min-width:220px;display:flex;align-items:center;gap:8px;background:var(--surface-primary);border:1px solid var(--border);border-radius:11px;padding:10px 14px}
.search-box input{background:none;border:none;outline:none;color:var(--text-primary);width:100%;font-size:.95rem}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:8px 14px;border-radius:999px;background:var(--surface-primary);border:1px solid var(--border);font-size:.85rem;font-weight:600;color:var(--text-secondary)}
.chip.active{background:var(--brand-primary);color:#000;border-color:var(--brand-primary)}
.chip.sm{padding:5px 11px;font-size:.78rem}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px}
.brand-logo{height:36px;width:auto;vertical-align:middle;display:inline-block}
.hero-logo{max-width:min(360px,80%);width:100%;height:auto;filter:drop-shadow(0 12px 40px rgba(245,177,10,.25))}
.cat-more{display:flex;justify-content:center;margin-top:34px}
.btn-lg{padding:15px 34px;font-size:1.02rem;border-radius:13px}
.product .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.product{background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.product:hover{border-color:var(--brand-primary);transform:translateY(-4px)}
.product .thumb{aspect-ratio:1;background:var(--surface-secondary);display:grid;place-items:center;font-size:3rem;position:relative}
.product .tag{position:absolute;top:10px;left:10px;font-size:.7rem;font-weight:800;padding:4px 9px;border-radius:7px;text-transform:uppercase}
.tag.disp{background:var(--success);color:#fff}
.tag.ultimas{background:var(--warning);color:#000}
.tag.consulta{background:var(--surface-primary);color:var(--text-secondary);border:1px solid var(--border)}
.tag.esgotado{background:var(--error);color:#fff}
.product .body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}
.product .cat{font-size:.72rem;color:var(--brand-primary);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.product h4{font-size:1rem;font-weight:700}
.product .desc{font-size:.83rem;color:var(--text-secondary);flex:1}
.product .price{font-size:1.2rem;font-weight:800}
.product .price small{font-size:.8rem;color:var(--text-secondary);text-decoration:line-through;font-weight:500;margin-right:6px}
.product .p-actions{display:flex;gap:8px;margin-top:8px}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary);grid-column:1/-1}
.empty-state .ico{font-size:3rem;margin-bottom:12px}

/* ===== Antes/depois ===== */
.ba-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.ba-card{background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.ba-slider{position:relative;aspect-ratio:4/3;overflow:hidden;cursor:ew-resize;user-select:none}
.ba-slider .after,.ba-slider .before{position:absolute;inset:0;display:grid;place-items:center;font-size:2.4rem;font-weight:800}
.ba-slider .before{background:var(--surface-secondary);color:var(--error)}
.ba-slider .after{background:linear-gradient(135deg,#1a1a20,#0f0f13);color:var(--success);clip-path:inset(0 0 0 50%)}
.ba-slider .handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:var(--brand-primary);z-index:3}
.ba-slider .handle::after{content:"⟺";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--brand-primary);color:#000;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:.9rem}
.ba-card .ba-body{padding:16px}
.ba-card h4{font-size:1rem}
.ba-card p{font-size:.84rem;color:var(--text-secondary);margin:4px 0 12px}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--surface-primary);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.faq-q{width:100%;text-align:left;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .plus{color:var(--brand-primary);font-size:1.3rem;transition:.2s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.3s;color:var(--text-secondary);font-size:.92rem;padding:0 20px}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 18px}

/* ===== Sobre / contato ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.about-grid ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.about-grid li{display:flex;gap:9px;font-size:.92rem;color:var(--text-secondary)}
.about-grid li::before{content:"✓";color:var(--brand-primary);font-weight:800}
.about-visual{aspect-ratio:1;border-radius:24px;background:linear-gradient(160deg,var(--surface-secondary),var(--background-secondary));border:1px solid var(--border);display:grid;place-items:center;font-size:6rem}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}.about-visual{max-width:340px}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-card{background:var(--surface-primary);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.contact-card .row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--border);font-size:.94rem}
.contact-card .row:last-child{border:none}
.contact-card .row .ico{font-size:1.2rem;width:24px}
@media(max-width:700px){.contact-grid{grid-template-columns:1fr}}
.hidden{display:none!important}

/* ===== Footer ===== */
footer{background:var(--background-secondary);border-top:1px solid var(--border);padding:52px 0 26px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:32px}
.foot-grid h5{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-secondary);margin-bottom:14px}
.foot-grid a{display:block;color:var(--text-secondary);font-size:.9rem;padding:5px 0}
.foot-grid a:hover{color:var(--brand-primary)}
.foot-bottom{border-top:1px solid var(--border);padding-top:20px;text-align:center;color:var(--text-secondary);font-size:.84rem}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}

/* ===== Float WhatsApp + chatbot ===== */
.fab-wpp{position:fixed;bottom:22px;right:22px;width:58px;height:58px;border-radius:50%;background:var(--wpp);display:grid;place-items:center;font-size:1.7rem;box-shadow:0 8px 24px rgba(37,211,102,.45);z-index:90;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 8px 24px rgba(37,211,102,.45)}50%{box-shadow:0 8px 32px rgba(37,211,102,.75)}}
.chatbot-btn{position:fixed;bottom:22px;left:22px;width:58px;height:58px;border-radius:50%;background:var(--brand-primary);color:#000;display:grid;place-items:center;font-size:1.6rem;box-shadow:var(--shadow);z-index:90}
.chatbot-panel{position:fixed;bottom:90px;left:22px;width:330px;max-width:calc(100vw - 44px);background:var(--surface-primary);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);z-index:91;overflow:hidden;transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;transition:.25s}
.chatbot-panel.open{transform:none;opacity:1;pointer-events:auto}
.chatbot-head{background:var(--background-secondary);padding:16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.chatbot-head .av{width:38px;height:38px;border-radius:10px;background:var(--brand-primary);color:#000;display:grid;place-items:center;font-weight:900}
.chatbot-head b{font-size:.95rem}
.chatbot-head small{color:var(--text-secondary);display:block;font-size:.75rem}
.chatbot-body{padding:16px;max-height:340px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.chatbot-body .bot-msg{background:var(--surface-secondary);padding:11px 14px;border-radius:12px;font-size:.88rem;color:var(--text-secondary)}
.chatbot-opt{text-align:left;background:var(--background-primary);border:1px solid var(--border);border-radius:10px;padding:11px 13px;font-size:.86rem;font-weight:600;transition:.2s}
.chatbot-opt:hover{border-color:var(--brand-primary);color:var(--brand-primary)}

/* ===== Toast ===== */
.toast{position:fixed;bottom:92px;right:22px;background:var(--surface-secondary);border:1px solid var(--brand-primary);color:var(--text-primary);padding:14px 18px;border-radius:12px;box-shadow:var(--shadow);z-index:120;transform:translateY(20px);opacity:0;transition:.3s;font-size:.9rem;font-weight:600}
.toast.show{transform:none;opacity:1}

/* ===== Cart drawer ===== */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:110;opacity:0;pointer-events:none;transition:.3s}
.overlay.open{opacity:1;pointer-events:auto}
.cart-drawer{position:fixed;top:0;right:0;bottom:0;width:400px;max-width:90vw;background:var(--background-secondary);border-left:1px solid var(--border);z-index:111;transform:translateX(100%);transition:.3s;display:flex;flex-direction:column}
.cart-drawer.open{transform:none}
.cart-head{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.cart-head h3{font-size:1.15rem}
.cart-items{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.cart-item{display:flex;gap:12px;background:var(--surface-primary);border:1px solid var(--border);border-radius:12px;padding:12px}
.cart-item .ci-thumb{width:54px;height:54px;border-radius:9px;background:var(--surface-secondary);display:grid;place-items:center;font-size:1.5rem;flex-shrink:0}
.cart-item .ci-info{flex:1;min-width:0}
.cart-item h5{font-size:.9rem;font-weight:700}
.cart-item .ci-price{color:var(--brand-primary);font-weight:700;font-size:.9rem}
.qty{display:flex;align-items:center;gap:8px;margin-top:6px}
.qty button{width:26px;height:26px;border-radius:7px;background:var(--surface-secondary);border:1px solid var(--border);font-weight:800}
.ci-remove{color:var(--error);font-size:.78rem;font-weight:600;margin-top:4px}
.cart-foot{padding:20px;border-top:1px solid var(--border)}
.cart-total{display:flex;justify-content:space-between;font-size:1.15rem;font-weight:800;margin-bottom:14px}
.cart-empty{text-align:center;color:var(--text-secondary);padding:50px 20px}