/* ============================
   SmartBR — Soluções Tecnológicas
   Landing Page Stylesheet
   ============================ */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #34d399;
  --accent-light: #6ee7b7;
  --bg-dark: #0a0a1a;
  --bg-card: #12122a;
  --bg-section: #0f0f28;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e1e4a;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --nav-h: 72px;
}

/* RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{font-family:var(--font);background:var(--bg-dark);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}

/* CONTAINER */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* === NAVBAR === */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  background:rgba(10,10,26,.7);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid transparent;transition:.3s}
.navbar.scrolled{background:rgba(10,10,26,.95);border-color:var(--border)}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:100%}

.nav-logo{display:flex;align-items:center;gap:10px}
.logo-icon svg{width:34px;height:34px;display:block}
.logo-text{font-size:1.35rem;font-weight:800;letter-spacing:-.5px}
.logo-text span{color:var(--primary-light)}

.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.875rem;font-weight:500;color:var(--text-secondary);transition:.2s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--primary);transition:.3s;border-radius:2px}
.nav-links a:hover{color:var(--text-primary)}
.nav-links a:hover::after{width:100%}

.nav-cta{background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff!important;
  padding:8px 20px;border-radius:100px;font-weight:600!important}
.nav-cta::after{display:none!important}
.nav-cta:hover{transform:scale(1.05);box-shadow:0 4px 24px rgba(99,102,241,.4)}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:0;border:0;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:.3s}

/* === HERO === */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;
  padding:var(--nav-h) 0 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.gradient-sphere{position:absolute;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.15) 0%,rgba(139,92,246,.08) 40%,transparent 60%);
  top:-200px;right:-200px;animation:float 20s ease-in-out infinite}
.grid-overlay{position:absolute;inset:0;
  background-image:linear-gradient(rgba(99,102,241,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(99,102,241,.03) 1px,transparent 1px);
  background-size:60px 60px}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-80px,60px)}}

.hero-content{position:relative;z-index:1;text-align:center;padding-top:40px}
.hero-badge{display:inline-block;background:rgba(99,102,241,.12);color:var(--primary-light);
  padding:6px 20px;border-radius:100px;font-size:.8rem;font-weight:600;
  border:1px solid rgba(99,102,241,.2);margin-bottom:24px;letter-spacing:.5px}
.hero-title{font-size:clamp(2.4rem,6vw,4rem);font-weight:800;line-height:1.1;
  letter-spacing:-1.5px;margin-bottom:20px}
.gradient-text{background:linear-gradient(135deg,var(--primary-light),var(--accent),#c084fc);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);
  max-width:680px;margin:0 auto 36px;line-height:1.7}
.hide-mobile{display:inline}

.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:64px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:100px;
  font-size:.95rem;font-weight:600;transition:.3s;border:0;cursor:pointer;
  text-align:center;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff;
  box-shadow:0 4px 20px rgba(99,102,241,.35)}
.btn-primary:hover{transform:scale(1.05);box-shadow:0 6px 32px rgba(99,102,241,.5)}
.btn-outline{background:0;color:var(--text-primary);border:1px solid var(--border)}
.btn-outline:hover{background:rgba(255,255,255,.04);border-color:var(--text-muted)}

.hero-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-num{display:block;font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.85rem;color:var(--text-muted);margin-top:2px}

/* === SECTIONS === */
.section{padding:100px 0}
.section-dark{background:var(--bg-section)}
.section-header{text-align:center;max-width:640px;margin:0 auto 60px}
.section-tag{display:inline-block;background:rgba(99,102,241,.1);color:var(--primary-light);
  padding:4px 16px;border-radius:100px;font-size:.75rem;font-weight:600;
  letter-spacing:.5px;margin-bottom:16px;text-transform:uppercase}
.section-header h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;letter-spacing:-.5px;
  margin-bottom:12px}
.section-header p{color:var(--text-secondary);font-size:1.05rem}

/* === CARDS (Soluções) === */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:32px;transition:.3s;opacity:0;transform:translateY(24px);animation:fadeUp .5s forwards;
  animation-delay:calc(.1s * var(--i,0))}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
.card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 8px 40px rgba(99,102,241,.12)}
.card-icon{width:48px;height:48px;border-radius:var(--radius-sm);
  background:var(--bg);color:var(--c);display:flex;align-items:center;justify-content:center;
  margin-bottom:16px}
.card-icon svg{width:24px;height:24px}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--text-secondary);font-size:.9rem;margin-bottom:16px;line-height:1.6}
.card-features{display:flex;flex-direction:column;gap:6px}
.card-features li{font-size:.82rem;color:var(--text-muted);display:flex;align-items:center;gap:8px}
.card-features li::before{content:'✓';color:var(--accent);font-weight:700}

/* === DIFERENCIAIS === */
.diffs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.diff-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:28px;transition:.3s}
.diff-item:hover{border-color:rgba(99,102,241,.3);background:rgba(99,102,241,.03)}
.diff-num{font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,var(--primary),#8b5cf6);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  line-height:1;margin-bottom:12px}
.diff-item h4{font-size:1.1rem;margin-bottom:8px;font-weight:600}
.diff-item p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}

/* === SEGMENTOS === */
.segmentos-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px}
.segmento-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:40px;text-align:center;transition:.3s}
.segmento-card:hover{transform:translateY(-4px);border-color:var(--primary);
  box-shadow:0 8px 40px rgba(99,102,241,.12)}
.segmento-icon{width:60px;height:60px;border-radius:50%;background:rgba(99,102,241,.1);
  color:var(--primary-light);display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px}
.segmento-icon svg{width:28px;height:28px}
.segmento-card h3{font-size:1.25rem;margin-bottom:10px}
.segmento-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.6;max-width:320px;margin:0 auto}

/* === CTA / CONTATO === */
.cta-section{background:linear-gradient(180deg,var(--bg-dark) 0%,var(--bg-section) 100%);position:relative}
.cta-content{max-width:760px;margin:0 auto}
.cta-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:48px;text-align:center}
.cta-card h2{font-size:1.8rem;margin-bottom:12px}
.cta-card p{color:var(--text-secondary);margin-bottom:32px}

.cta-contact-info{display:flex;flex-direction:column;gap:20px;max-width:400px;margin:0 auto}
.cta-contact-item{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.02);
  border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 24px;text-align:left;transition:.2s}
.cta-contact-item:hover{border-color:var(--primary);background:rgba(99,102,241,.04)}
.cta-contact-icon{width:44px;height:44px;border-radius:50%;background:rgba(99,102,241,.12);
  color:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cta-contact-icon svg{width:20px;height:20px}
.cta-contact-item strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px;
  color:var(--text-muted);margin-bottom:2px}
.cta-contact-item a{font-size:1.1rem;font-weight:600;color:var(--text-primary);transition:.2s}
.cta-contact-item a:hover{color:var(--primary-light)}
.cta-form{display:flex;flex-direction:column;gap:16px;text-align:left}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row:last-child{grid-template-columns:1fr auto}
.cta-form input,.cta-form select{background:rgba(255,255,255,.03);border:1px solid var(--border);
  padding:14px 18px;border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;
  outline:0;transition:.2s;width:100%}
.cta-form input::placeholder{color:var(--text-muted)}
.cta-form input:focus,.cta-form select:focus{border-color:var(--primary)}
.cta-form select{appearance:none;cursor:pointer}
.cta-form select option{background:var(--bg-card);color:var(--text-primary)}
.cta-form .btn{padding:14px 28px}
.form-footer{font-size:.8rem;color:var(--text-muted);margin-top:16px!important;margin-bottom:0!important}

/* === FOOTER === */
.footer{border-top:1px solid var(--border);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-secondary);font-size:.85rem;margin-top:12px;line-height:1.6}
.footer-links h4{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;
  color:var(--text-primary);margin-bottom:16px;font-weight:600}
.footer-links ul li{margin-bottom:10px}
.footer-links ul li a{color:var(--text-muted);font-size:.85rem;transition:.2s}
.footer-links ul li a:hover{color:var(--primary-light)}
.footer-bottom{padding-top:24px;border-top:1px solid var(--border);text-align:center}
.footer-bottom p{color:var(--text-muted);font-size:.8rem}

/* === RESPONSIVE === */
@media(max-width:768px){
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(10,10,26,.98);
    backdrop-filter:blur(20px);flex-direction:column;padding:32px 24px;gap:20px;
    border-bottom:1px solid var(--border);transform:translateY(-100%);opacity:0;
    transition:.3s;pointer-events:none}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:all}
  .nav-toggle{display:flex}
  .hero-stats{gap:24px}
  .hide-mobile{display:none}
  .form-row{grid-template-columns:1fr!important}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:32px 20px}
  .cards-grid{grid-template-columns:1fr}
}

@media(max-width:480px){
  .hero-title{font-size:1.8rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
  .footer-grid{grid-template-columns:1fr}
}