/* ==========================================================================
   NEXORA TECH — Stylesheet principal
   Estrutura: 1. Tokens  2. Base  3. Utilitários  4. Componentes  5. Seções
   6. Dark mode  7. Responsivo
   ========================================================================== */

/* ---------- 1. DESIGN TOKENS ---------- */
:root{
  --purple: #5B21B6;
  --purple-dark: #3B0F80;
  --purple-soft: #7C3AED;
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --white: #FFFFFF;
  --gray-50: #F7F8FA;
  --gray-100: #F0F1F5;
  --gray-300: #D7DAE2;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --gray-900: #14151F;
  --ink: #1B1E2B;

  --gradient-brand: linear-gradient(135deg, var(--purple) 0%, var(--blue) 100%);
  --gradient-radial: radial-gradient(circle at 30% 20%, rgba(124,58,237,.35), transparent 55%),
                      radial-gradient(circle at 80% 80%, rgba(37,99,235,.30), transparent 50%);

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(20,21,31,.06);
  --shadow-md: 0 12px 32px rgba(20,21,31,.10);
  --shadow-lg: 0 24px 60px rgba(20,21,31,.16);

  --bg: var(--white);
  --bg-alt: var(--gray-50);
  --text: var(--ink);
  --text-muted: var(--gray-500);
  --border: var(--gray-300);
  --header-bg: rgba(255,255,255,.85);

  --transition: .3s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"]{
  --bg: #0F1019;
  --bg-alt: #161826;
  --text: #EDEEF3;
  --text-muted: #9198AA;
  --border: #2A2D40;
  --header-bg: rgba(15,16,25,.85);
  --gray-50: #161826;
  --gray-100: #1D2033;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}
h1,h2,h3,h4,h5,.font-display{ font-family: var(--font-display); font-weight:600; color: var(--text); }
a{ text-decoration:none; color: inherit; }
img{ max-width:100%; display:block; }
::selection{ background: var(--purple-soft); color:#fff; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}

/* Foco visível para acessibilidade */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--blue-light);
  outline-offset: 3px;
}

/* ---------- UTILITÁRIOS ---------- */
.text-gradient{
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip:text; color:transparent;
}
.bg-gradient-brand{ background: var(--gradient-brand); }
.section{ padding: 96px 0; }
.section-sm{ padding: 56px 0; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-display); font-size:.78rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase; color: var(--purple);
  background: rgba(91,33,182,.08); padding:6px 16px; border-radius:100px;
}
[data-theme="dark"] .eyebrow{ background: rgba(124,58,237,.16); color:#B79CFF; }
.section-title{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); margin: 14px 0 16px; line-height:1.15; }
.section-lead{ color: var(--text-muted); font-size: 1.05rem; max-width: 640px; }
.btn{
  font-family: var(--font-display); font-weight:600; font-size:.92rem;
  padding: 13px 28px; border-radius: 100px; border:none; cursor:pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  display:inline-flex; align-items:center; gap:10px;
}
.btn-primary{ background: var(--gradient-brand); color:#fff; box-shadow: 0 10px 24px rgba(91,33,182,.30); }
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 16px 34px rgba(91,33,182,.38); color:#fff; }
.btn-outline{ background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-outline:hover{ border-color: var(--purple); color: var(--purple); transform: translateY(-3px); }
.btn-light{ background:#fff; color: var(--purple); }
.btn-light:hover{ transform: translateY(-3px); color: var(--purple-dark); }
.card-hover{ transition: transform var(--transition), box-shadow var(--transition); }
.card-hover:hover{ transform: translateY(-8px); box-shadow: var(--shadow-lg); }

/* Breadcrumb */
.breadcrumb-bar{ background: var(--bg-alt); padding: 18px 0; border-bottom:1px solid var(--border); }
.breadcrumb-bar .breadcrumb{ margin:0; }
.breadcrumb-bar a{ color: var(--text-muted); }
.breadcrumb-bar a:hover{ color: var(--purple); }
.breadcrumb-bar .active{ color: var(--purple); font-weight:600; }

/* ---------- HEADER ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 1000;
  background: var(--header-bg); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.site-header .navbar{ padding: 14px 0; }
.brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-display); font-weight:700; font-size:1.3rem; }
.brand .brand-mark{
  width:38px; height:38px; border-radius:11px; background: var(--gradient-brand);
  display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.1rem;
}
.nav-link{ font-weight:500; font-size:.94rem; color: var(--text) !important; margin: 0 6px; position:relative; }
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-4px; width:0; height:2px; background: var(--gradient-brand);
  transition: width var(--transition);
}
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.header-actions{ display:flex; align-items:center; gap:10px; }
.theme-toggle{
  width:42px; height:42px; border-radius:50%; border:1px solid var(--border); background: var(--bg-alt);
  display:flex; align-items:center; justify-content:center; cursor:pointer; color: var(--text);
}

/* Mega menu */
.mega-menu{
  position:absolute; top: 100%; left:0; width:100%; background: var(--bg);
  border-bottom:1px solid var(--border); box-shadow: var(--shadow-lg);
  padding: 32px 0; opacity:0; visibility:hidden; transform: translateY(-8px);
  transition: all var(--transition);
}
.nav-item-mega:hover .mega-menu{ opacity:1; visibility:visible; transform: translateY(0); }
.mega-col-title{ font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color: var(--purple); font-weight:700; margin-bottom:14px; }
.mega-link{ display:block; padding:7px 0; color: var(--text); font-size:.92rem; }
.mega-link:hover{ color: var(--purple); padding-left:4px; }
.mega-link i{ width:20px; color: var(--blue); margin-right:8px; }

/* ---------- HERO ---------- */
.hero{
  position:relative; min-height: 92vh; display:flex; align-items:center;
  background: linear-gradient(180deg, var(--ink) 0%, var(--purple-dark) 120%);
  overflow:hidden; padding-top:110px;
}
.hero::before{ content:''; position:absolute; inset:0; background: var(--gradient-radial); }
#hero-network{ position:absolute; inset:0; width:100%; height:100%; opacity:.55; }
.hero-content{ position:relative; z-index:2; color:#fff; }
.hero h1{ color:#fff; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height:1.1; margin-bottom:20px; }
.hero p.lead{ color: rgba(255,255,255,.78); font-size:1.15rem; max-width:600px; margin-bottom:32px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.hero-scroll{ position:absolute; bottom:28px; left:50%; transform:translateX(-50%); color: rgba(255,255,255,.6); font-size:.8rem; text-align:center; z-index:2; }
.hero-scroll .line{ width:1px; height:34px; background: rgba(255,255,255,.4); margin: 8px auto 0; animation: scrollLine 1.8s infinite; }
@keyframes scrollLine{ 0%{opacity:0; transform:scaleY(0); transform-origin:top;} 50%{opacity:1; transform:scaleY(1);} 100%{opacity:0; transform:scaleY(1); transform-origin:bottom;} }

/* Stats strip */
.stats-strip{
  position:relative; z-index:2; margin-top:56px; background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); backdrop-filter: blur(6px);
  padding: 30px 10px;
}
.stat-item{ text-align:center; color:#fff; }
.stat-number{ font-family: var(--font-display); font-weight:700; font-size: clamp(1.8rem,3vw,2.6rem); display:block; }
.stat-label{ color: rgba(255,255,255,.7); font-size:.85rem; margin-top:4px; }

/* ---------- CARDS DE SOLUÇÃO ---------- */
.solution-card{
  background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 30px 26px; height:100%; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  perspective: 800px;
}
.solution-card:hover{ transform: translateY(-8px) rotateX(2deg); box-shadow: var(--shadow-lg); border-color: transparent; }
.solution-icon{
  width:56px; height:56px; border-radius: 14px; background: var(--gradient-brand);
  display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.4rem; margin-bottom:18px;
}
.solution-card h3{ font-size:1.08rem; margin-bottom:8px; }
.solution-card p{ color: var(--text-muted); font-size:.9rem; margin-bottom:14px; }
.solution-card .card-link{ font-size:.85rem; font-weight:600; color: var(--purple); }
.solution-card .card-link i{ transition: transform var(--transition); margin-left:4px; }
.solution-card:hover .card-link i{ transform: translateX(4px); }

/* Filtro de soluções */
.filter-pills{ display:flex; flex-wrap:wrap; gap:10px; }
.filter-pill{
  font-size:.85rem; font-weight:600; padding: 9px 18px; border-radius:100px;
  border:1px solid var(--border); background: var(--bg); color: var(--text-muted); cursor:pointer;
  transition: all var(--transition);
}
.filter-pill.active, .filter-pill:hover{ background: var(--gradient-brand); color:#fff; border-color:transparent; }

/* ---------- TIMELINE ---------- */
.timeline{ position:relative; padding-left: 40px; }
.timeline::before{ content:''; position:absolute; left:9px; top:6px; bottom:6px; width:2px; background: var(--gradient-brand); }
.timeline-item{ position:relative; padding-bottom:38px; }
.timeline-item::before{
  content:''; position:absolute; left:-40px; top:2px; width:20px; height:20px; border-radius:50%;
  background: var(--bg); border:3px solid var(--purple);
}
.timeline-year{ font-family: var(--font-display); font-weight:700; color: var(--purple); }

/* ---------- SEGMENTOS ---------- */
.segment-card{
  position:relative; border-radius: var(--radius-md); overflow:hidden; height:260px;
  display:flex; align-items:flex-end; padding:22px; color:#fff;
}
.segment-card::before{ content:''; position:absolute; inset:0; background: linear-gradient(0deg, rgba(20,21,31,.85), rgba(20,21,31,.1)); }
.segment-card .icon{ position:relative; z-index:2; font-size:1.6rem; margin-bottom:8px; }
.segment-card h4{ position:relative; z-index:2; color:#fff; margin:0; }
.segment-card{ background-size: cover; background-position:center; transition: transform var(--transition); }
.segment-card:hover{ transform: scale(1.03); }

/* ---------- CASES ---------- */
.case-card{ border-radius: var(--radius-md); overflow:hidden; border:1px solid var(--border); background: var(--bg); }
.case-card .case-body{ padding:26px; }
.case-tag{ font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color: var(--blue); font-weight:700; }
.case-result{ font-family: var(--font-display); font-weight:700; font-size:1.6rem; color: var(--purple); }

/* ---------- PARCEIROS ---------- */
.partner-logo{
  display:flex; align-items:center; justify-content:center; height:90px; border:1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-alt); font-weight:700; color: var(--text-muted);
  filter: grayscale(1); opacity:.7; transition: all var(--transition);
}
.partner-logo:hover{ filter:none; opacity:1; border-color: var(--purple); }

/* ---------- BLOG ---------- */
.blog-card{ border-radius: var(--radius-md); overflow:hidden; border:1px solid var(--border); background: var(--bg); }
.blog-thumb{ height:200px; background-size:cover; background-position:center; }
.blog-body{ padding:22px; }
.blog-meta{ font-size:.8rem; color: var(--text-muted); display:flex; gap:14px; margin-bottom:10px; }
.blog-cat{ color: var(--purple); font-weight:700; text-transform:uppercase; font-size:.72rem; letter-spacing:.06em; }

/* ---------- FORMULÁRIOS ---------- */
.form-control, .form-select{
  background: var(--bg-alt); border:1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px 16px; font-size:.94rem;
}
.form-control:focus, .form-select:focus{ background: var(--bg); border-color: var(--purple); box-shadow: 0 0 0 4px rgba(91,33,182,.12); color: var(--text); }
.form-label{ font-weight:600; font-size:.88rem; margin-bottom:6px; }

/* ---------- FOOTER ---------- */
.site-footer{ background: var(--ink); color: rgba(255,255,255,.72); padding: 72px 0 24px; }
.site-footer h5{ color:#fff; font-size:1rem; margin-bottom:18px; }
.site-footer a{ color: rgba(255,255,255,.65); font-size:.92rem; display:block; padding:5px 0; }
.site-footer a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top:48px; padding-top:22px; font-size:.85rem; }
.social-icon{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center; margin-right:8px; transition: all var(--transition);
}
.social-icon:hover{ background: var(--gradient-brand); border-color:transparent; transform: translateY(-3px); }
.newsletter-box{ background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius: var(--radius-md); padding:26px; }

/* ---------- FLUTUANTES ---------- */
.whatsapp-float{
  position:fixed; bottom:26px; right:26px; z-index:999; width:60px; height:60px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center; font-size:1.6rem;
  box-shadow: 0 10px 26px rgba(37,211,102,.45); animation: pulseWhats 2.4s infinite;
}
@keyframes pulseWhats{ 0%{box-shadow:0 0 0 0 rgba(37,211,102,.5);} 70%{box-shadow:0 0 0 14px rgba(37,211,102,0);} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0);} }
.back-to-top{
  position:fixed; bottom:26px; right:96px; z-index:999; width:48px; height:48px; border-radius:50%;
  background: var(--gradient-brand); color:#fff; display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transform: translateY(10px); transition: all var(--transition); border:none;
}
.back-to-top.show{ opacity:1; visibility:visible; transform: translateY(0); }

/* Cookie banner LGPD */
.cookie-banner{
  position:fixed; left:16px; right:16px; bottom:16px; z-index:1100; max-width:520px; margin:0 auto;
  background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding:22px; transform: translateY(140%); transition: transform .5s ease;
}
.cookie-banner.show{ transform: translateY(0); }

/* Chat online */
.chat-widget{ position:fixed; bottom:96px; right:26px; z-index:998; width:320px; max-width:88vw; background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); display:none; overflow:hidden; }
.chat-widget.open{ display:block; }
.chat-header{ background: var(--gradient-brand); color:#fff; padding:16px; font-weight:600; }
.chat-body{ padding:16px; height:220px; overflow-y:auto; font-size:.88rem; }
.chat-bubble{ background: var(--bg-alt); padding:10px 14px; border-radius:12px; margin-bottom:10px; max-width:85%; }
.chat-footer{ padding:12px; border-top:1px solid var(--border); display:flex; gap:8px; }

/* Busca inteligente */
.search-overlay{
  position:fixed; inset:0; background: rgba(15,16,25,.92); z-index:1200; display:none;
  align-items:flex-start; justify-content:center; padding-top:10vh;
}
.search-overlay.open{ display:flex; }
.search-box{ width:min(680px, 92vw); }
.search-box input{ width:100%; background:transparent; border:none; border-bottom:2px solid rgba(255,255,255,.3); color:#fff; font-size:1.6rem; padding:14px 0; font-family: var(--font-display); }
.search-box input:focus{ outline:none; border-color: var(--blue-light); }
.search-close{ position:absolute; top:26px; right:32px; color:#fff; font-size:1.6rem; background:none; border:none; }
.search-suggestions{ margin-top:20px; color: rgba(255,255,255,.6); font-size:.9rem; }
.search-suggestions span{ display:inline-block; margin:4px 10px 4px 0; padding:6px 14px; border:1px solid rgba(255,255,255,.2); border-radius:100px; cursor:pointer; }

/* Login / Painéis */
.auth-card{ max-width:440px; margin:0 auto; background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-lg); padding:44px; box-shadow: var(--shadow-md); }
.dashboard-sidebar{ background: var(--bg-alt); border-right:1px solid var(--border); min-height:100vh; padding:26px 18px; }
.dashboard-sidebar a{ display:flex; align-items:center; gap:12px; padding:11px 14px; border-radius:10px; color: var(--text); font-size:.92rem; margin-bottom:4px; }
.dashboard-sidebar a.active, .dashboard-sidebar a:hover{ background: var(--gradient-brand); color:#fff; }
.kpi-card{ background: var(--bg); border:1px solid var(--border); border-radius: var(--radius-md); padding:22px; }
.kpi-value{ font-family: var(--font-display); font-weight:700; font-size:1.8rem; }

/* ---------- RESPONSIVO ---------- */
@media (max-width: 991px){
  .section{ padding: 64px 0; }
  .mega-menu{ position:static; opacity:1; visibility:visible; transform:none; display:none; box-shadow:none; padding:12px 0; }
  .nav-item-mega.open .mega-menu{ display:block; }
  .hero{ text-align:center; min-height:auto; padding-bottom:60px; }
  .hero p.lead{ margin-left:auto; margin-right:auto; }
  .hero-actions{ justify-content:center; }
  .back-to-top{ right:82px; bottom:20px; width:42px; height:42px; }
  .whatsapp-float{ width:52px; height:52px; bottom:20px; right:20px; }
}
@media (max-width: 576px){
  .stats-strip{ padding: 22px 6px; }
  .auth-card{ padding:28px; }
}