/* ====== KQ Tech — Design System ====== */
:root {
  --bg-primary: #06060f;
  --bg-secondary: #0c0c1d;
  --bg-card: #111128;
  --bg-card-hover: #16163a;
  --text-primary: #f0f0ff;
  --text-secondary: #9496b8;
  --text-muted: #5d5f7e;
  --accent-primary: #6c63ff;
  --accent-secondary: #00d4ff;
  --accent-glow: rgba(108,99,255,0.35);
  --gradient-main: linear-gradient(135deg, #6c63ff 0%, #00d4ff 100%);
  --gradient-text: linear-gradient(135deg, #8b83ff 0%, #00d4ff 50%, #6c63ff 100%);
  --gradient-card: linear-gradient(145deg, rgba(108,99,255,0.08) 0%, rgba(0,212,255,0.04) 100%);
  --border-color: rgba(108,99,255,0.15);
  --border-glow: rgba(108,99,255,0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-glow: 0 0 40px rgba(108,99,255,0.15);
  --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --nav-height: 72px;
  --container-max: 1200px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ====== RESET & BASE ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px;}
body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
ul{list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;border:none;outline:none;background:none;}

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

/* ====== GRADIENT TEXT ====== */
.gradient-text{background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* ====== NAVBAR ====== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);display:flex;align-items:center;transition:all 0.4s ease;}
.navbar--scrolled{background:rgba(6,6,15,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);}
.navbar--hidden{transform:translateY(-100%);}
.nav-container{display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.3rem;letter-spacing:-0.03em;z-index:1001;}
.logo-accent{color:var(--accent-secondary);}
.nav-links{display:flex;align-items:center;gap:8px;}
.nav-links a{padding:8px 16px;border-radius:var(--radius-sm);font-size:0.9rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition);}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary);}
.nav-cta{background:var(--gradient-main)!important;color:var(--text-primary)!important;font-weight:600!important;padding:10px 20px!important;border-radius:var(--radius-sm)!important;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:28px;cursor:pointer;z-index:1001;background:none;border:none;}
.hamburger,.hamburger::before,.hamburger::after{content:'';display:block;width:100%;height:2px;background:var(--text-primary);border-radius:2px;transition:all 0.3s ease;}
.hamburger{position:relative;}
.hamburger::before{position:absolute;top:-7px;}
.hamburger::after{position:absolute;top:7px;}
.nav-toggle--active .hamburger{background:transparent;}
.nav-toggle--active .hamburger::before{top:0;transform:rotate(45deg);}
.nav-toggle--active .hamburger::after{top:0;transform:rotate(-45deg);}

/* ====== BUTTONS ====== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;cursor:pointer;transition:all var(--transition);border:none;white-space:nowrap;}
.btn-primary{background:var(--gradient-main);color:#fff;box-shadow:0 4px 20px var(--accent-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow);}
.btn-secondary{border:1px solid var(--border-color);color:var(--text-secondary);background:rgba(108,99,255,0.05);}
.btn-secondary:hover{border-color:var(--accent-primary);color:var(--text-primary);background:rgba(108,99,255,0.1);}
.btn-arrow{transition:transform var(--transition);}
.btn:hover .btn-arrow{transform:translateX(4px);}

/* ====== HERO ====== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--nav-height) 0 60px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(108,99,255,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(108,99,255,0.05) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%);}
.hero-glow{position:absolute;border-radius:50%;filter:blur(100px);opacity:0.4;animation:glowPulse 6s ease-in-out infinite alternate;}
.hero-glow--1{width:500px;height:500px;background:var(--accent-primary);top:-150px;right:-100px;}
.hero-glow--2{width:400px;height:400px;background:var(--accent-secondary);bottom:-100px;left:-100px;animation-delay:3s;}
.hero-particles{position:absolute;inset:0;z-index:1;}
.particle{position:absolute;background:rgba(108,99,255,0.6);border-radius:50%;animation:particleFloat 6s ease-in-out infinite;}
@keyframes particleFloat{0%,100%{transform:translateY(0) scale(1);opacity:0.4;}50%{transform:translateY(-30px) scale(1.5);opacity:0.8;}}
@keyframes glowPulse{0%{opacity:0.2;transform:scale(1);}100%{opacity:0.45;transform:scale(1.1);}}

.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:50px;background:rgba(108,99,255,0.1);border:1px solid var(--border-color);font-size:0.85rem;font-weight:500;color:var(--accent-secondary);margin-bottom:28px;animation:fadeInUp 0.8s ease;}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-secondary);animation:dotPulse 2s ease-in-out infinite;}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:0.5;transform:scale(0.7);}}
.hero-title{font-size:clamp(2.2rem,5vw,4rem);font-weight:800;line-height:1.15;letter-spacing:-0.02em;margin-bottom:24px;animation:fadeInUp 0.8s ease 0.1s both;}
.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);max-width:640px;margin:0 auto 36px;line-height:1.8;animation:fadeInUp 0.8s ease 0.2s both;}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;animation:fadeInUp 0.8s ease 0.3s both;}
.hero-stats{display:flex;align-items:center;justify-content:center;gap:32px;margin-top:56px;animation:fadeInUp 0.8s ease 0.4s both;}
.stat{text-align:center;}
.stat-number{font-size:2rem;font-weight:800;background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-suffix{font-size:1.4rem;font-weight:700;color:var(--accent-secondary);}
.stat-label{display:block;font-size:0.8rem;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:0.08em;}
.stat-divider{width:1px;height:40px;background:var(--border-color);}
@keyframes fadeInUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}

.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;}
.scroll-mouse{display:block;width:26px;height:42px;border:2px solid var(--border-color);border-radius:13px;position:relative;}
.scroll-dot{position:absolute;top:8px;left:50%;width:3px;height:8px;margin-left:-1.5px;background:var(--accent-primary);border-radius:3px;animation:scrollDot 2s ease-in-out infinite;}
@keyframes scrollDot{0%{transform:translateY(0);opacity:1;}100%{transform:translateY(16px);opacity:0;}}

/* ====== SECTIONS ====== */
.section{padding:100px 0;}
.section-header{text-align:center;max-width:700px;margin:0 auto 60px;}
.section-tag{display:inline-block;font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:0.12em;color:var(--accent-secondary);background:rgba(0,212,255,0.08);padding:6px 16px;border-radius:50px;border:1px solid rgba(0,212,255,0.15);margin-bottom:16px;}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.2;letter-spacing:-0.02em;margin-bottom:16px;}
.section-desc{font-size:1.05rem;color:var(--text-secondary);line-height:1.8;}

/* ====== ANIMATE ON SCROLL ====== */
[data-animate]{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease;}
[data-animate].animate-in{opacity:1;transform:translateY(0);}

/* ====== ABOUT ====== */
.about{background:var(--bg-secondary);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-lead{font-size:1.15rem;color:var(--text-primary);font-weight:500;margin-bottom:16px;line-height:1.8;}
.about-content p{color:var(--text-secondary);margin-bottom:16px;}
.about-highlights{display:flex;flex-direction:column;gap:16px;margin-top:28px;}
.highlight{display:flex;align-items:center;gap:16px;padding:16px;border-radius:var(--radius-md);background:rgba(108,99,255,0.06);border:1px solid var(--border-color);}
.highlight-icon{width:44px;height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--gradient-main);color:#fff;}
.highlight strong{display:block;font-size:0.95rem;margin-bottom:2px;}
.highlight span{font-size:0.85rem;color:var(--text-muted);}

/* Code Window */
.code-window{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow-glow);}
.code-header{display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(17,17,40,0.9);border-bottom:1px solid var(--border-color);}
.code-dot{width:12px;height:12px;border-radius:50%;}
.code-dot--red{background:#ff5f57;}
.code-dot--yellow{background:#ffbd2e;}
.code-dot--green{background:#28c93f;}
.code-filename{margin-left:auto;font-size:0.78rem;color:var(--text-muted);font-family:var(--font-mono);}
.code-body{padding:24px;background:var(--bg-card);font-family:var(--font-mono);font-size:0.88rem;line-height:2;overflow-x:auto;margin:0;}
.code-keyword{color:#c792ea;}
.code-var{color:#82aaff;}
.code-prop{color:#f07178;}
.code-string{color:#c3e88d;}
.code-number{color:#f78c6c;}
.code-bool{color:#ffcb6b;}

/* ====== SERVICES ====== */
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.service-card{position:relative;padding:36px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-color);overflow:hidden;transition:all 0.4s ease;cursor:default;}
.service-card:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
.service-glow{position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow),transparent 70%);top:var(--mouse-y,50%);left:var(--mouse-x,50%);transform:translate(-50%,-50%);opacity:0;transition:opacity 0.3s ease;pointer-events:none;}
.service-card:hover .service-glow{opacity:1;}
.service-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:rgba(108,99,255,0.1);color:var(--accent-primary);margin-bottom:20px;transition:all var(--transition);}
.service-card:hover .service-icon{background:var(--gradient-main);color:#fff;}
.service-title{font-size:1.25rem;font-weight:700;margin-bottom:12px;}
.service-desc{color:var(--text-secondary);font-size:0.93rem;margin-bottom:20px;line-height:1.7;}
.service-features{display:flex;flex-wrap:wrap;gap:8px;}
.service-features li{font-size:0.8rem;padding:5px 12px;border-radius:50px;background:rgba(108,99,255,0.08);color:var(--text-secondary);border:1px solid rgba(108,99,255,0.1);}

/* ====== WHY US ====== */
.why-us{background:var(--bg-secondary);}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.why-card{position:relative;padding:32px 24px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-color);text-align:center;transition:all 0.4s ease;overflow:hidden;}
.why-card:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
.why-number{position:absolute;top:12px;right:16px;font-size:3rem;font-weight:900;color:rgba(108,99,255,0.08);line-height:1;}
.why-icon{width:56px;height:56px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:rgba(108,99,255,0.1);color:var(--accent-primary);transition:all var(--transition);}
.why-card:hover .why-icon{background:var(--gradient-main);color:#fff;}
.why-card h3{font-size:1.1rem;font-weight:700;margin-bottom:12px;}
.why-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.7;}

/* ====== PORTFOLIO ====== */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.portfolio-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);border:1px solid var(--border-color);transition:all 0.4s ease;}
.portfolio-card:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
.portfolio-card--featured{grid-column:span 2;grid-row:span 2;}
.portfolio-card--featured .portfolio-image{height:100%;}
.portfolio-image{position:relative;overflow:hidden;height:220px;}
.portfolio-card--featured .portfolio-image img{height:100%;object-fit:cover;}
.portfolio-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;}
.portfolio-card:hover .portfolio-image img{transform:scale(1.05);}
.portfolio-overlay{position:absolute;top:16px;left:16px;}
.portfolio-category{font-size:0.75rem;font-weight:600;padding:5px 14px;border-radius:50px;background:rgba(6,6,15,0.7);backdrop-filter:blur(8px);color:var(--accent-secondary);border:1px solid rgba(0,212,255,0.2);}
.portfolio-info{padding:24px;}
.portfolio-info h3{font-size:1.1rem;font-weight:700;margin-bottom:8px;}
.portfolio-info p{font-size:0.88rem;color:var(--text-secondary);margin-bottom:14px;line-height:1.6;}
.portfolio-tags{display:flex;flex-wrap:wrap;gap:6px;}
.portfolio-tags span{font-size:0.75rem;padding:4px 10px;border-radius:50px;background:rgba(108,99,255,0.08);color:var(--text-muted);border:1px solid rgba(108,99,255,0.1);}

/* ====== CONTACT ====== */
.contact{background:var(--bg-secondary);}
.contact-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:48px;align-items:start;}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group--full{grid-column:span 2;}
.contact-form label{font-size:0.85rem;font-weight:500;color:var(--text-secondary);}
.contact-form input,.contact-form select,.contact-form textarea{padding:14px 16px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);font-size:0.93rem;transition:all var(--transition);width:100%;}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow);}
.contact-form textarea{resize:vertical;min-height:120px;}
.contact-form select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%239496b8' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;}
.btn-submit{grid-column:span 2;justify-content:center;padding:16px;font-size:1rem;}
.form-privacy{grid-column:span 2;margin-top:-6px;color:var(--text-muted);font-size:0.8rem;line-height:1.5;}
.form-privacy a{color:var(--accent-secondary);text-decoration:underline;text-underline-offset:3px;}
.form-status{grid-column:span 2;padding:12px 16px;border-radius:var(--radius-sm);font-size:0.9rem;display:none;text-align:center;}
.form-status--success{background:rgba(40,201,63,0.1);border:1px solid rgba(40,201,63,0.3);color:#28c93f;}
.form-status--error{background:rgba(255,95,87,0.1);border:1px solid rgba(255,95,87,0.3);color:#ff5f57;}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;visibility:hidden;}

.contact-info{display:flex;flex-direction:column;gap:20px;}
.info-card{display:flex;align-items:center;gap:16px;padding:20px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);}
.info-card--accent{display:block;background:linear-gradient(145deg,rgba(108,99,255,0.16),rgba(0,212,255,0.08));box-shadow:var(--shadow-glow);}
.info-card--accent h4{font-size:1rem;margin-bottom:8px;}
.info-card--accent p{color:var(--text-secondary);font-size:0.92rem;}
.info-icon{width:48px;height:48px;min-width:48px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:rgba(108,99,255,0.1);color:var(--accent-primary);}
.info-card h4{font-size:0.95rem;font-weight:600;margin-bottom:4px;}
.info-card a,.info-card p{font-size:0.88rem;color:var(--text-secondary);}
.info-card a:hover{color:var(--accent-secondary);}
.contact-note{margin-top:8px;font-size:0.88rem;color:var(--text-secondary);}
.contact-note a{color:var(--accent-secondary);}
.contact-note a:hover{text-decoration:underline;}

/* ====== FOOTER ====== */
.footer{border-top:1px solid var(--border-color);padding:60px 0 0;}
.footer-container{display:flex;justify-content:space-between;gap:48px;}
.footer-brand{max-width:300px;}
.footer-brand p{color:var(--text-muted);font-size:0.9rem;margin-top:12px;}
.footer-links{display:flex;gap:60px;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col h4{font-weight:600;margin-bottom:6px;font-size:0.9rem;}
.footer-col a{font-size:0.88rem;color:var(--text-muted);transition:color var(--transition);}
.footer-col a:hover{color:var(--accent-secondary);}
.footer-bottom{margin-top:40px;padding:20px 0;border-top:1px solid var(--border-color);text-align:center;}
.footer-bottom p{font-size:0.82rem;color:var(--text-muted);}

/* ====== LEGAL ====== */
.legal-page{padding-top:140px;min-height:100vh;background:radial-gradient(circle at top,rgba(108,99,255,0.1),transparent 35%);}
.legal-shell{max-width:820px;}
.legal-card{padding:28px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-top:20px;}
.legal-card h2{font-size:1.1rem;margin-bottom:10px;}
.legal-card p{color:var(--text-secondary);}
.legal-card a{color:var(--accent-secondary);}

/* ====== FLOATING SOCIALS ====== */
.floating-socials{position:fixed;right:22px;bottom:24px;display:flex;flex-direction:column;gap:10px;z-index:950;}
.floating-social{width:50px;height:50px;display:flex;align-items:center;justify-content:center;border-radius:16px;border:1px solid rgba(255,255,255,0.08);background:rgba(10,10,26,0.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 12px 30px rgba(0,0,0,0.28);color:var(--text-primary);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition);}
.floating-social:hover{transform:translateY(-4px) scale(1.04);box-shadow:0 16px 36px rgba(0,0,0,0.34);}
.floating-social--whatsapp:hover{border-color:#25d366;background:rgba(37,211,102,0.14);color:#8ef0b0;}
.floating-social--facebook:hover{border-color:#1877f2;background:rgba(24,119,242,0.14);color:#8fc0ff;}
.floating-social--linkedin:hover{border-color:#0a66c2;background:rgba(10,102,194,0.14);color:#85c4ff;}
.floating-social--instagram:hover{border-color:#e1306c;background:rgba(225,48,108,0.14);color:#ff9bbc;}

/* ====== RESPONSIVE ====== */
@media(max-width:1024px){
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .portfolio-grid{grid-template-columns:repeat(2,1fr);}
  .portfolio-card--featured{grid-column:span 2;grid-row:span 1;}
  .portfolio-card--featured .portfolio-image{height:280px;}
}
@media(max-width:768px){
  .nav-toggle{display:flex;}
  .nav-links{position:fixed;inset:0;background:rgba(6,6,15,0.97);backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:16px;opacity:0;visibility:hidden;transition:all 0.3s ease;}
  .nav-links--open{opacity:1;visibility:visible;}
  .nav-links a{font-size:1.2rem;padding:12px 24px;}
  .about-grid{grid-template-columns:1fr;gap:40px;}
  .about-visual{order:-1;}
  .services-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr 1fr;}
  .portfolio-grid{grid-template-columns:1fr;}
  .portfolio-card--featured{grid-column:span 1;}
  .contact-grid{grid-template-columns:1fr;}
  .contact-form{grid-template-columns:1fr;}
  .form-group--full{grid-column:span 1;}
  .btn-submit{grid-column:span 1;}
  .form-privacy{grid-column:span 1;}
  .form-status{grid-column:span 1;}
  .hero-stats{gap:20px;}
  .footer-container{flex-direction:column;gap:32px;}
  .footer-links{gap:40px;}
  .section{padding:70px 0;}
  .floating-socials{right:16px;bottom:16px;flex-direction:row;}
}
@media(max-width:480px){
  .hero-stats{flex-direction:column;gap:16px;}
  .stat-divider{width:40px;height:1px;}
  .why-grid{grid-template-columns:1fr;}
  .hero-title{font-size:1.8rem;}
  .footer-links{flex-direction:column;gap:24px;}
  .floating-social{width:46px;height:46px;border-radius:14px;}
}