/* KNR Digital - Ultra-Optimized CSS for Speed & Mobile Responsiveness */

/* === CRITICAL ABOVE-FOLD STYLES === */
/* Reset and Base Styles - Optimized */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased}

/* CSS Variables - Optimized for Speed */
:root{
  /* Colors */
  --primary:#0077b6;--primary-light:#00b4d8;--white:#fff;--dark:#0a0f1e;
  --text:#e8edf4;--text-secondary:#b8c5d1;--border:rgba(0,180,216,0.2);
  
  /* Typography - Mobile-First */
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;
  --text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;
  
  /* Spacing - Mobile Optimized */
  --space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;
  --space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;
  
  /* Layout */
  --container:min(1200px,calc(100vw - 2rem));--radius:0.5rem;--radius-lg:1rem;
  --shadow:0 10px 25px rgba(0,0,0,0.1);--z-nav:1000;--z-modal:2000;
}

/* Body - Mobile-First Background */
body{
  font-family:var(--font);font-size:var(--text-base);line-height:1.6;
  color:var(--text);overflow-x:hidden;min-height:100vh;
  background:linear-gradient(135deg,rgba(5,10,25,1) 0%,rgba(10,20,40,1) 50%,rgba(0,15,35,1) 100%);
  background-attachment:fixed;
}

/* Container - Responsive */
.container{
  width:var(--container);margin:0 auto;padding:0 var(--space-4);
}
@media(max-width:768px){.container{padding:0 var(--space-3)}}

/* Typography - Mobile Optimized */
h1,h2,h3,h4,h5,h6{
  font-weight:700;line-height:1.2;color:var(--white);margin-bottom:var(--space-4);
  text-shadow:0 0 20px rgba(0,180,216,0.3);
}
h1{font-size:clamp(1.875rem,5vw,3rem)}
h2{font-size:clamp(1.5rem,4vw,2.25rem)}
h3{font-size:clamp(1.25rem,3vw,1.875rem)}

p{margin-bottom:var(--space-4);line-height:1.6}
a{color:var(--primary-light);text-decoration:none;transition:all 0.3s ease}
a:hover,a:focus{color:var(--white);outline:none}

/* === NAVIGATION - MOBILE-FIRST === */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);
  background:rgba(10,15,30,0.95);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);padding:var(--space-3) 0;
}

.nav-container{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--container);margin:0 auto;padding:0 var(--space-4);
}

.nav-logo{
  display:flex;align-items:center;gap:var(--space-3);z-index:var(--z-nav);
}

.logo-container img{
  width:60px;height:60px;object-fit:contain;border-radius:8px;
  background:rgba(255,255,255,0.05);padding:4px;
  transition:all 0.3s ease;
}
.logo-container img:hover{
  transform:scale(1.05);background:rgba(255,255,255,0.1);
}
@media(max-width:480px){
  .logo-container img{width:50px;height:50px;padding:3px}
}

.logo-text .brand-container{
  display:flex;align-items:center;gap:var(--space-2);
}
.logo-mark{
  font-size:var(--text-xl);font-weight:800;color:var(--primary-light);
}
.brand-name{
  font-size:var(--text-lg);font-weight:600;color:var(--white);
}
.tagline{
  font-size:var(--text-xs);color:var(--text-secondary);display:block;
}
@media(max-width:480px){
  .tagline{display:none}
  .logo-mark{font-size:var(--text-lg)}
  .brand-name{font-size:var(--text-base)}
}

/* Navigation Menu - Mobile Optimized */
.nav-menu{
  display:flex;align-items:center;gap:var(--space-6);
}
@media(max-width:768px){
  .nav-menu{
    position:fixed;top:0;right:-100%;width:280px;height:100vh;
    background:rgba(10,15,30,0.98);backdrop-filter:blur(25px);
    flex-direction:column;justify-content:center;gap:var(--space-8);
    transition:right 0.4s cubic-bezier(0.4,0,0.2,1);padding:var(--space-8);
  }
  .nav-menu.active{right:0}
}

.nav-link{
  font-weight:500;color:var(--text);transition:all 0.3s ease;
  padding:var(--space-2) var(--space-3);border-radius:var(--radius);
}
.nav-link:hover,.nav-link:focus{
  color:var(--primary-light);background:rgba(0,180,216,0.1);
}
@media(max-width:768px){
  .nav-link{font-size:var(--text-lg);padding:var(--space-3) var(--space-4)}
}

.nav-cta{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:var(--white);padding:var(--space-3) var(--space-6);
  border-radius:var(--radius-lg);font-weight:600;transition:all 0.3s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow)}

/* Hamburger Menu - Touch Optimized */
.hamburger{
  display:none;flex-direction:column;gap:4px;background:none;border:none;
  cursor:pointer;padding:var(--space-3);border-radius:var(--radius);
  transition:all 0.3s ease;
}
@media(max-width:768px){.hamburger{display:flex}}

.hamburger .bar{
  width:25px;height:3px;background:var(--white);border-radius:2px;
  transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.hamburger.active .bar:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.hamburger.active .bar:nth-child(2){opacity:0}
.hamburger.active .bar:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* === HERO SECTION - MOBILE OPTIMIZED === */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:var(--space-16) 0 var(--space-12);position:relative;overflow:hidden;
}
@media(max-width:768px){
  .hero{min-height:90vh;padding:var(--space-12) 0 var(--space-8)}
}

.hero-content{
  text-align:center;max-width:800px;margin:0 auto;z-index:2;
}

.hero-badge{
  display:inline-block;background:rgba(0,180,216,0.1);
  color:var(--primary-light);padding:var(--space-2) var(--space-4);
  border-radius:var(--radius-lg);font-size:var(--text-sm);font-weight:600;
  margin-bottom:var(--space-6);border:1px solid var(--border);
}
@media(max-width:480px){
  .hero-badge{font-size:var(--text-xs);padding:var(--space-2) var(--space-3)}
}

.hero-title{
  font-size:clamp(2rem,6vw,4rem);font-weight:800;line-height:1.1;
  margin-bottom:var(--space-6);
}
.gradient-text{
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero-subtitle{
  font-size:clamp(1rem,2.5vw,1.25rem);color:var(--text-secondary);
  margin-bottom:var(--space-8);line-height:1.6;max-width:600px;margin-left:auto;margin-right:auto;
}

/* Hero Stats - Mobile Grid */
.hero-stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
  gap:var(--space-6);margin-bottom:var(--space-8);
}
@media(max-width:480px){
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:var(--space-4)}
}

.stat{text-align:center}
.stat-number{
  font-size:clamp(1.5rem,4vw,2.5rem);font-weight:800;
  color:var(--primary-light);display:block;line-height:1;
}
.stat-label{
  font-size:var(--text-sm);color:var(--text-secondary);
  margin-top:var(--space-2);
}

/* Hero CTA - Mobile Optimized */
.hero-cta{
  display:flex;align-items:center;justify-content:center;
  gap:var(--space-4);flex-wrap:wrap;
}
@media(max-width:480px){
  .hero-cta{flex-direction:column;gap:var(--space-3);width:100%}
}

/* Buttons - Mobile Optimized */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:var(--space-3) var(--space-6);border-radius:var(--radius-lg);
  font-weight:600;text-decoration:none;transition:all 0.3s ease;
  border:none;cursor:pointer;gap:var(--space-2);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:var(--white);box-shadow:0 4px 15px rgba(0,119,182,0.3);
}
.btn-primary:hover{
  transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,119,182,0.4);
}
.btn-secondary{
  background:rgba(255,255,255,0.1);color:var(--white);
  border:2px solid rgba(255,255,255,0.2);backdrop-filter:blur(10px);
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.2);border-color:var(--primary-light);
}
@media(max-width:480px){
  .btn{padding:var(--space-3) var(--space-4);font-size:var(--text-sm);width:100%}
}

/* === SPECIAL OFFER SECTION === */
.special-offer{
  padding:var(--space-12) 0;background:rgba(10,15,30,0.8);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.offer-container{
  background:linear-gradient(135deg,rgba(231,76,60,0.1),rgba(192,57,43,0.1));
  border:2px solid rgba(231,76,60,0.3);border-radius:var(--radius-2xl);
  padding:var(--space-8);text-align:center;position:relative;overflow:hidden;
}
.offer-badge{
  background:linear-gradient(135deg,#e74c3c,#c0392b);
  color:var(--white);padding:var(--space-2) var(--space-4);
  border-radius:var(--radius-lg);font-weight:bold;display:inline-block;
  margin-bottom:var(--space-4);box-shadow:0 4px 15px rgba(231,76,60,0.3);
}
.offer-title{
  font-size:clamp(1.5rem,4vw,2.5rem);margin-bottom:var(--space-4);
}
.offer-description{
  font-size:var(--text-lg);color:var(--text-secondary);
  margin-bottom:var(--space-6);max-width:600px;margin-left:auto;margin-right:auto;
}
.offer-features{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:var(--space-4);margin-bottom:var(--space-8);
}
.feature-item{
  display:flex;align-items:center;justify-content:center;
  gap:var(--space-2);color:var(--white);
}
.feature-item i{color:var(--primary-light)}
.urgency-container{
  display:flex;justify-content:center;align-items:center;
  gap:var(--space-6);flex-wrap:wrap;margin-bottom:var(--space-6);
}
@media(max-width:768px){
  .urgency-container{flex-direction:column;gap:var(--space-3)}
  .offer-features{grid-template-columns:1fr}
}

/* === SERVICES SECTION === */
.services{
  padding:var(--space-16) 0;background:rgba(5,10,25,0.9);
}
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:var(--space-8);
}
@media(max-width:768px){
  .services-grid{grid-template-columns:1fr;gap:var(--space-6)}
}
.service-card{
  background:rgba(255,255,255,0.05);border:1px solid var(--border);
  border-radius:var(--radius-2xl);padding:var(--space-8);
  text-align:center;transition:all 0.3s ease;position:relative;
  backdrop-filter:blur(10px);
}
.service-card:hover{
  transform:translateY(-8px);border-color:var(--primary-light);
  box-shadow:0 20px 40px rgba(0,119,182,0.2);
}
.service-icon{
  width:80px;height:80px;background:var(--primary-gradient);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  margin:0 auto var(--space-6);font-size:var(--text-3xl);color:var(--white);
}
.service-title{
  font-size:var(--text-xl);margin-bottom:var(--space-4);
}
.service-description{
  color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-6);
}
.service-features{
  list-style:none;margin-bottom:var(--space-8);
}
.service-features li{
  display:flex;align-items:center;gap:var(--space-2);
  margin-bottom:var(--space-2);color:var(--text);
}
.service-features li i{color:var(--primary-light)}
.service-price{
  font-size:var(--text-2xl);font-weight:bold;color:var(--primary-light);
  margin-bottom:var(--space-6);
}

/* === CONTACT SECTION === */
.contact{
  padding:var(--space-16) 0;background:rgba(10,15,30,0.95);
}
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--space-16);
  align-items:start;
}
@media(max-width:768px){
  .contact-grid{grid-template-columns:1fr;gap:var(--space-8)}
}
.contact-info h3{
  margin-bottom:var(--space-6);
}
.contact-item{
  display:flex;align-items:center;gap:var(--space-4);
  margin-bottom:var(--space-4);color:var(--text);
}
.contact-item i{
  width:20px;color:var(--primary-light);
}
.contact-form{
  background:rgba(255,255,255,0.05);border:1px solid var(--border);
  border-radius:var(--radius-2xl);padding:var(--space-8);
  backdrop-filter:blur(10px);
}
.form-group{
  margin-bottom:var(--space-6);
}
.form-group label{
  display:block;margin-bottom:var(--space-2);
  color:var(--white);font-weight:500;
}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:var(--space-3);border:2px solid var(--border);
  border-radius:var(--radius);background:rgba(255,255,255,0.1);
  color:var(--white);font-size:var(--text-base);
  transition:border-color 0.3s ease;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--primary-light);
}
.form-group input::placeholder,.form-group textarea::placeholder{
  color:rgba(255,255,255,0.5);
}
.checkbox-group{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:var(--space-3);margin-top:var(--space-4);
}
@media(max-width:480px){
  .checkbox-group{grid-template-columns:1fr}
}
.checkbox-label{
  display:flex;align-items:center;gap:var(--space-2);
  padding:var(--space-2);border-radius:var(--radius);cursor:pointer;
  transition:background-color 0.3s ease;
}
.checkbox-label:hover{
  background:rgba(255,255,255,0.05);
}
.checkbox-label input[type="checkbox"]{
  width:auto;margin:0;
}

/* === FOOTER === */
.footer{
  background:rgba(5,10,25,1);padding:var(--space-16) 0 var(--space-8);
  border-top:1px solid var(--border);
}
.footer-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:var(--space-8);margin-bottom:var(--space-8);
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;text-align:center}
}
.footer-section h4{
  margin-bottom:var(--space-4);color:var(--primary-light);
}
.footer-section ul{
  list-style:none;
}
.footer-section ul li{
  margin-bottom:var(--space-2);
}
.footer-section a{
  color:var(--text-secondary);transition:color 0.3s ease;
}
.footer-section a:hover{
  color:var(--primary-light);
}
.footer-bottom{
  text-align:center;padding-top:var(--space-8);
  border-top:1px solid var(--border);color:var(--text-secondary);
}

/* === ANIMATIONS === */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes slideInRight{
  from{opacity:0;transform:translateX(30px)}
  to{opacity:1;transform:translateX(0)}
}
.fade-in{opacity:0;animation:fadeInUp 0.6s ease forwards}
.fade-in-visible{opacity:1}

/* === UTILITIES === */
.text-center{text-align:center}
.mt-4{margin-top:var(--space-4)}
.mb-4{margin-bottom:var(--space-4)}
.hidden{display:none!important}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* === RESPONSIVE BREAKPOINTS === */
@media(max-width:1200px){
  .container{max-width:960px}
  .hero{padding-top:100px}
}
@media(max-width:992px){
  .container{max-width:720px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{max-width:540px;padding:0 var(--space-4)}
  .navbar{padding:var(--space-2) 0}
  .hero{min-height:80vh;padding-top:80px}
  .section{padding:var(--space-12) 0}
}
@media(max-width:576px){
  .container{max-width:100%;padding:0 var(--space-3)}
  .hero-stats{grid-template-columns:1fr;gap:var(--space-4)}
  .btn{width:100%;justify-content:center}
}

/* === ACCESSIBILITY === */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}
}
.skip-link:focus{position:absolute;top:0;left:0;background:var(--primary-color);color:var(--white);padding:var(--space-2);z-index:9999;text-decoration:none}

/* Fix initial loading state */
body.page-loading .page-loader{display:flex}
body:not(.page-loading) .page-loader{display:none}
  display:flex;gap:var(--space-4);justify-content:center;align-items:center;
  margin-bottom:var(--space-8);flex-wrap:wrap;
}
@media(max-width:480px){
  .hero-cta{flex-direction:column;gap:var(--space-3)}
}

/* Buttons - Touch Friendly */
.btn{
  display:inline-flex;align-items:center;gap:var(--space-2);
  padding:var(--space-4) var(--space-6);border-radius:var(--radius-lg);
  font-weight:600;text-decoration:none;transition:all 0.3s ease;
  border:none;cursor:pointer;font-size:var(--text-base);
  min-height:44px;justify-content:center;
}
@media(max-width:480px){
  .btn{padding:var(--space-3) var(--space-6);width:100%;max-width:280px}
}

.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:var(--white);box-shadow:0 4px 15px rgba(0,119,182,0.3);
}
.btn-primary:hover{
  transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,119,182,0.4);
  color:var(--white);
}

.btn-secondary{
  background:rgba(255,255,255,0.1);color:var(--white);
  border:1px solid rgba(255,255,255,0.2);backdrop-filter:blur(10px);
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.2);transform:translateY(-2px);
  color:var(--white);
}

/* Hero Badges - Mobile Grid */
.hero-badges{
  display:flex;gap:var(--space-4);justify-content:center;flex-wrap:wrap;
}
@media(max-width:480px){
  .hero-badges{gap:var(--space-3)}
}

.badge{
  display:flex;align-items:center;gap:var(--space-2);
  background:rgba(255,255,255,0.1);padding:var(--space-2) var(--space-4);
  border-radius:var(--radius-lg);font-size:var(--text-sm);
  border:1px solid rgba(255,255,255,0.2);backdrop-filter:blur(10px);
}
@media(max-width:480px){
  .badge{font-size:var(--text-xs);padding:var(--space-2) var(--space-3)}
}

/* === SECTIONS - MOBILE FIRST === */
section{
  padding:var(--space-16) 0;position:relative;
}
@media(max-width:768px){
  section{padding:var(--space-12) 0}
}

.section-header{
  text-align:center;margin-bottom:var(--space-12);max-width:700px;margin-left:auto;margin-right:auto;
}

.section-badge{
  display:inline-block;background:rgba(0,180,216,0.1);
  color:var(--primary-light);padding:var(--space-2) var(--space-4);
  border-radius:var(--radius-lg);font-size:var(--text-sm);font-weight:600;
  margin-bottom:var(--space-4);border:1px solid var(--border);
}

/* === RESPONSIVE UTILITIES === */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.hidden{display:none !important}
.show{display:block !important}

/* Loading States */
.loading{opacity:0.6;pointer-events:none}
.fade-in{opacity:0;transform:translateY(20px);transition:all 0.6s ease}
.fade-in-visible{opacity:1;transform:translateY(0)}

/* Performance Optimizations */
*{will-change:auto}
img{max-width:100%;height:auto;display:block}

/* Mobile-Specific Optimizations */
@media(max-width:480px){
  html{font-size:14px}
  .container{padding:0 var(--space-2)}
  
  h1{line-height:1.1;margin-bottom:var(--space-4)}
  h2{line-height:1.2;margin-bottom:var(--space-3)}
  
  .hero{padding:var(--space-8) 0 var(--space-6)}
  .hero-content{padding:0 var(--space-2)}
}

/* Touch Optimizations */
@media(hover:none) and (pointer:coarse){
  .btn:hover,.nav-link:hover{transform:none}
  .btn{padding:var(--space-4) var(--space-6);min-height:48px}
}

/* High DPI Displays */
@media(-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){
  .hero-title,.section-header h2{
    text-shadow:0 0 30px rgba(0,180,216,0.4);
  }
}

/* Dark Mode Support */
@media(prefers-color-scheme:dark){
  :root{--text:#f8fafc;--text-secondary:#cbd5e1}
}

/* Reduced Motion Support */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}
  html{scroll-behavior:auto}
}