@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* THEME VARIABLES */
:root, [data-theme="dark"] {
  --bg:#0B0F1A; --bg2:#111827; --bg-card:rgba(255,255,255,0.03);
  --border:rgba(255,255,255,0.07); --text:#E8ECF1; --text-muted:#8B95A8;
  --accent:#388BFF; --accent2:#22D3EE;
  --gradient:linear-gradient(135deg,#388BFF,#22D3EE);
  --whatsapp:#25D366; --nav-bg:rgba(11,15,26,0.92);
  --card-hover:rgba(56,139,255,0.25); --brand-bg:rgba(255,255,255,0.06);
  --brand-text:#C0C7D3; --toggle-icon:"☀️";
}
[data-theme="light"] {
  --bg:#F5F7FA; --bg2:#FFFFFF; --bg-card:rgba(0,0,0,0.03);
  --border:rgba(0,0,0,0.1); --text:#1A1A2E; --text-muted:#5A6377;
  --accent:#2563EB; --accent2:#0891B2;
  --gradient:linear-gradient(135deg,#2563EB,#0891B2);
  --nav-bg:rgba(255,255,255,0.92);
  --card-hover:rgba(37,99,235,0.15); --brand-bg:rgba(0,0,0,0.05);
  --brand-text:#4A5568; --toggle-icon:"🌙";
}

html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid rgba(56,139,255,0.12);height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,48px)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--text-muted);font-size:14px;font-weight:500;text-decoration:none;padding:4px 0;border-bottom:2px solid transparent;transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent2);border-bottom-color:var(--accent2)}
.nav-wa{background:var(--whatsapp)!important;color:#fff!important;padding:8px 16px!important;border-radius:8px!important;font-weight:600!important;font-size:13px!important;border:none!important}
.nav-wa:hover{opacity:.9;text-decoration:none!important}
.theme-toggle{background:none;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:18px;padding:6px 10px;transition:.2s}
.theme-toggle:hover{border-color:var(--accent)}

/* HAMBURGER */
.hamburger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* SLIDER */
.slider{position:relative;width:100%;max-width:1200px;margin:80px auto 0;overflow:hidden;border-radius:12px}
.slider-track{display:flex;transition:transform .6s ease}
.slider-track img{width:100%;min-width:100%;max-width:100%;flex-shrink:0;display:block;border-radius:0}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.5);color:#fff;border:none;width:44px;height:44px;border-radius:50%;font-size:20px;cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center;transition:.2s}
.slider-btn:hover{background:rgba(56,139,255,.7)}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{display:flex;justify-content:center;gap:8px;padding:16px 0}
.slider-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.2);border:none;cursor:pointer;transition:.2s}
.slider-dot.active{background:var(--accent2)}

/* HERO */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:100px clamp(20px,5vw,80px) 60px;position:relative}
.hero-glow{position:absolute;top:20%;left:50%;transform:translate(-50%,-50%);width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(56,139,255,.12) 0%,transparent 70%);pointer-events:none}
.hero-badge{display:inline-block;padding:6px 16px;border-radius:20px;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);font-size:13px;font-weight:500;color:var(--accent2);margin-bottom:28px;letter-spacing:.5px}
.hero h1{font-size:clamp(34px,5.5vw,64px);font-weight:800;line-height:1.08;letter-spacing:-2px;max-width:750px}
.hero h1 .gradient{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:clamp(16px,2vw,20px);color:var(--text-muted);max-width:560px;margin:24px 0 40px;line-height:1.6}

/* BUTTONS */
.btn{display:inline-block;padding:14px 32px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;text-decoration:none;border:none;transition:transform .2s}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--gradient);color:#0B0F1A;box-shadow:0 4px 24px rgba(56,139,255,.3)}
.btn-secondary{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.15);color:var(--text)}
.btn-group{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* SECTIONS */
.section{padding:100px clamp(20px,5vw,80px);max-width:1100px;margin:0 auto}
.section-label{color:var(--accent2);font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:800;color:var(--text);letter-spacing:-1px;margin:0 0 16px}
.section-subtitle{color:var(--text-muted);font-size:17px;max-width:600px;margin:0 auto 48px}
.section-header{text-align:center;margin-bottom:60px}

/* CARDS */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:32px;transition:border-color .3s}
.card:hover{border-color:var(--card-hover)}
.card-icon{font-size:32px;margin-bottom:16px}
.card h3{font-size:20px;font-weight:700;color:var(--text);margin:0 0 12px;letter-spacing:-.3px}
.card p{font-size:15px;color:var(--text-muted);margin:0}

/* PRODUCT CARDS */
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:28px 24px;display:flex;gap:16px;align-items:flex-start;transition:border-color .3s}
.product-card:hover{border-color:var(--card-hover)}
.product-card.highlight{background:linear-gradient(135deg,rgba(56,139,255,.12),rgba(34,211,238,.08));border-color:rgba(34,211,238,.3)}
.product-icon{font-size:28px;width:48px;height:48px;border-radius:12px;background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.product-card h3{font-size:17px;font-weight:700;color:var(--text);margin:0 0 8px}
.product-card .tag{font-size:11px;color:var(--accent2);margin-left:8px;font-weight:600}
.product-card p{font-size:14px;color:var(--text-muted);margin:0;line-height:1.55}

/* BRAND BAR */
.brands{padding:40px clamp(20px,5vw,80px);max-width:1100px;margin:0 auto}
.brands-title{text-align:center;font-size:13px;font-weight:600;color:var(--text-muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:24px}
.brands-list{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.brand-tag{padding:10px 20px;border-radius:10px;background:var(--brand-bg);border:1px solid var(--border);font-size:14px;font-weight:700;color:var(--brand-text);letter-spacing:.5px}

/* CONTACT */
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:36px 32px;display:flex;flex-direction:column;gap:20px;max-width:700px;margin:0 auto}
.contact-form label{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:6px;display:block}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 16px;border-radius:10px;background:var(--brand-bg);border:1px solid var(--border);color:var(--text);font-size:15px;outline:none;font-family:'Inter',system-ui,sans-serif}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--accent)}
.contact-form select option{background:var(--bg);color:var(--text)}
.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:40px;max-width:700px;margin-left:auto;margin-right:auto}
.contact-info-item{display:flex;align-items:center;gap:12px}
.contact-info-item .icon{font-size:22px;width:44px;height:44px;border-radius:10px;background:var(--brand-bg);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info-item .label{font-size:12px;color:var(--text-muted)}
.contact-info-item .value{font-size:15px;color:var(--text);font-weight:600}

/* FOOTER */
.footer{border-top:1px solid var(--border);padding:40px clamp(20px,5vw,80px);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;max-width:1100px;margin:0 auto}
.footer-copy{font-size:13px;color:var(--text-muted)}

/* WHATSAPP */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:99;width:56px;height:56px;border-radius:50%;background:var(--whatsapp);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);font-size:28px;text-decoration:none;transition:transform .2s}
.wa-float:hover{transform:scale(1.08);text-decoration:none}

/* LEGAL */
.legal{max-width:800px;margin:0 auto;padding:120px clamp(20px,5vw,80px) 80px}
.legal h1{font-size:32px;font-weight:800;color:var(--text);margin:0 0 32px}
.legal h2{font-size:20px;font-weight:700;color:var(--text);margin:32px 0 12px}
.legal p{font-size:15px;color:var(--text-muted);line-height:1.7;margin:0 0 16px}

/* MOBILE */
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--nav-bg);padding:24px;gap:16px;border-bottom:1px solid var(--border)}
  .hero h1{letter-spacing:-1px}
  .section{padding:60px 20px}
  .product-grid{grid-template-columns:1fr}
  .contact-form{padding:24px 20px}
  .slider{border-radius:0}
}