/* ============================================
   PC Premium Coating - Premium Light Design System
   ============================================ */

 /* ---------- Reset & Base ---------- */
 *,
 *::before,
 *::after {
   box-sizing: border-box;
   margin: 0;
   padding: 0;
 }

 html {
   overflow-x: hidden;
   width: 100%;
   scroll-behavior: smooth;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }

 body {
   overflow-x: hidden;
   width: 100%;
   max-width: 100vw;
   background-color: #ffffff;
   color: #1e293b;
   font-family: 'Inter', system-ui, -apple-system, sans-serif;
   line-height: 1.7;
 }

 ::selection {
   background: rgba(59, 130, 246, 0.2);
   color: #1e293b;
 }

 /* ---------- Hide Scrollbar ---------- */
 html {
   scrollbar-width: none;
   -ms-overflow-style: none;
 }

 ::-webkit-scrollbar {
   display: none;
 }

 /* ---------- Container ---------- */
 .container-custom {
   max-width: max(1200px, 65vw);
   margin: 0 auto;
   padding: 0 1.5rem;
   width: 100%;
   box-sizing: border-box;
 }

 /* ---------- Keyframe Animations ---------- */
 @keyframes fadeInUp {
   from {
     opacity: 0;
     transform: translateY(40px);
   }

   to {
     opacity: 1;
     transform: translateY(0);
   }
 }

 @keyframes fadeInDown {
   from {
     opacity: 0;
     transform: translateY(-20px);
   }

   to {
     opacity: 1;
     transform: translateY(0);
   }
 }

 @keyframes fadeInLeft {
   from {
     opacity: 0;
     transform: translateX(-40px);
   }

   to {
     opacity: 1;
     transform: translateX(0);
   }
 }

 @keyframes fadeInRight {
   from {
     opacity: 0;
     transform: translateX(40px);
   }

   to {
     opacity: 1;
     transform: translateX(0);
   }
 }

 @keyframes scaleIn {
   from {
     opacity: 0;
     transform: scale(0.9);
   }

   to {
     opacity: 1;
     transform: scale(1);
   }
 }

 @keyframes float {

   0%,
   100% {
     transform: translateY(0);
   }

   50% {
     transform: translateY(-10px);
   }
 }

 @keyframes shimmer {
   0% {
     background-position: -200% 0;
   }

   100% {
     background-position: 200% 0;
   }
 }

 @keyframes glowPulse {

   0%,
   100% {
     box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
   }

   50% {
     box-shadow: 0 0 40px rgba(59, 130, 246, 0.3);
   }
 }

 @keyframes gradientShift {
   0% {
     background-position: 0% 50%;
   }

   50% {
     background-position: 100% 50%;
   }

   100% {
     background-position: 0% 50%;
   }
 }

 @keyframes borderGlow {

   0%,
   100% {
     border-color: rgba(59, 130, 246, 0.15);
   }

   50% {
     border-color: rgba(59, 130, 246, 0.35);
   }
 }

 @keyframes spin-slow {
   from {
     transform: rotate(0deg);
   }

   to {
     transform: rotate(360deg);
   }
 }

 /* ---------- Animation Utility Classes ---------- */
 .animate-fade-in-up {
   animation: fadeInUp 0.8s ease-out forwards;
   opacity: 0;
 }

 .animate-fade-in-down {
   animation: fadeInDown 0.6s ease-out forwards;
   opacity: 0;
 }

 .animate-fade-in-left {
   animation: fadeInLeft 0.8s ease-out forwards;
   opacity: 0;
 }

 .animate-fade-in-right {
   animation: fadeInRight 0.8s ease-out forwards;
   opacity: 0;
 }

 .animate-scale-in {
   animation: scaleIn 0.6s ease-out forwards;
   opacity: 0;
 }

 .animate-float {
   animation: float 6s ease-in-out infinite;
 }

 .animate-shimmer {
   background: linear-gradient(90deg, transparent 0%, rgba(59, 130, 246, 0.04) 50%, transparent 100%);
   background-size: 200% 100%;
   animation: shimmer 3s ease-in-out infinite;
 }

 .animate-glow {
   animation: glowPulse 3s ease-in-out infinite;
 }

 .animate-gradient {
   background-size: 200% 200%;
   animation: gradientShift 8s ease infinite;
 }

 .animate-border-glow {
   animation: borderGlow 3s ease-in-out infinite;
 }

 .delay-100 {
   animation-delay: 0.1s;
 }

 .delay-200 {
   animation-delay: 0.2s;
 }

 .delay-300 {
   animation-delay: 0.3s;
 }

 .delay-400 {
   animation-delay: 0.4s;
 }

 .delay-500 {
   animation-delay: 0.5s;
 }

 .delay-600 {
   animation-delay: 0.6s;
 }

 .delay-700 {
   animation-delay: 0.7s;
 }

 .delay-800 {
   animation-delay: 0.8s;
 }

 /* ---------- Glass (Light Theme) ---------- */
 .glass {
   background: rgba(255, 255, 255, 0.7);
   backdrop-filter: blur(20px);
   -webkit-backdrop-filter: blur(20px);
   border: 1px solid rgba(0, 0, 0, 0.06);
 }

 .glass-light {
   background: rgba(255, 255, 255, 0.8);
   backdrop-filter: blur(16px);
   -webkit-backdrop-filter: blur(16px);
   border: 1px solid rgba(0, 0, 0, 0.06);
 }

 .glass-card {
   background: #ffffff;
   border: 1px solid rgba(0, 0, 0, 0.06);
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 20px rgba(0, 0, 0, 0.03);
   transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
 }

 .glass-card:hover {
   border-color: rgba(59, 130, 246, 0.2);
   transform: translateY(-4px);
   box-shadow: 0 12px 40px -10px rgba(59, 130, 246, 0.12), 0 4px 20px rgba(0, 0, 0, 0.06);
 }

 /* ---------- Gradient Utilities ---------- */
 .gradient-text {
   background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 50%, #60a5fa 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
 }

 .gradient-bg-primary {
   background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 50%, #60a5fa 100%);
 }

 /* ---------- Button Styles ---------- */
 .btn-primary {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   padding: 14px 32px;
   background: linear-gradient(135deg, #2563eb, #3b82f6);
   color: #fff;
   font-weight: 700;
   font-size: 0.95rem;
   border-radius: 12px;
   border: none;
   cursor: pointer;
   transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
   box-shadow: 0 4px 20px -4px rgba(59, 130, 246, 0.35);
   text-decoration: none;
   letter-spacing: 0.01em;
   position: relative;
   overflow: hidden;
 }

 .btn-primary::before {
   content: '';
   position: absolute;
   inset: 0;
   background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
   opacity: 0;
   transition: opacity 0.3s;
 }

 .btn-primary:hover {
   transform: translateY(-2px);
   box-shadow: 0 8px 30px -4px rgba(59, 130, 246, 0.45);
 }

 .btn-primary:hover::before {
   opacity: 1;
 }

 .btn-secondary {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   padding: 14px 32px;
   background: #ffffff;
   color: #1e293b;
   font-weight: 600;
   font-size: 0.95rem;
   border-radius: 12px;
   border: 1px solid #e2e8f0;
   cursor: pointer;
   transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
   text-decoration: none;
   letter-spacing: 0.01em;
 }

 .btn-secondary:hover {
   background: #f8fafc;
   border-color: rgba(59, 130, 246, 0.4);
   transform: translateY(-2px);
   color: #2563eb;
   box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
 }

 /* ---------- Section Titles ---------- */
 .section-label {
   display: inline-flex;
   align-items: center;
   gap: 8px;
   font-size: 0.75rem;
   font-weight: 800;
   letter-spacing: 0.2em;
   text-transform: uppercase;
   color: #3b82f6;
   margin-bottom: 12px;
 }

 .section-title {
   font-size: clamp(2rem, 4vw, 3rem);
   font-weight: 800;
   line-height: 1.15;
   letter-spacing: -0.02em;
   color: #0f172a;
   margin-bottom: 16px;
 }

 .section-subtitle {
   font-size: 1.125rem;
   color: #64748b;
   max-width: 600px;
   line-height: 1.7;
 }

 /* ---------- Form Inputs (Light) ---------- */
 .form-input {
   width: 100%;
   padding: 14px 18px;
   background: #f8fafc;
   border: 1px solid #e2e8f0;
   border-radius: 12px;
   color: #1e293b;
   font-size: 0.95rem;
   font-family: inherit;
   transition: all 0.3s ease;
   outline: none;
 }

 .form-input::placeholder {
   color: #94a3b8;
 }

 .form-input:focus {
   border-color: rgba(59, 130, 246, 0.5);
   background: #ffffff;
   box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
 }

 .form-label {
   display: block;
   font-size: 0.85rem;
   font-weight: 600;
   color: #475569;
   margin-bottom: 8px;
   letter-spacing: 0.02em;
 }

 /* ---------- Divider ---------- */
 .glow-divider {
   height: 1px;
   background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), transparent);
   border: none;
   margin: 0;
 }

 /* ---------- Responsive ---------- */
 @media (max-width: 768px) {
   .container-custom {
     padding: 0 1rem;
   }

   .section-title {
     font-size: 1.75rem;
   }

   .section-subtitle {
     font-size: 1rem;
   }

   .btn-primary,
   .btn-secondary {
     padding: 12px 24px;
     font-size: 0.9rem;
     width: 100%;
     justify-content: center;
   }

   .form-input {
     padding: 12px 14px;
     font-size: 1rem;
     /* prevents iOS zoom */
   }
 }

 @media (max-width: 480px) {
   .container-custom {
     padding: 0 0.75rem;
   }

   .section-title {
     font-size: 1.5rem;
   }

   .btn-primary,
   .btn-secondary {
     padding: 14px 20px;
     font-size: 0.85rem;
     border-radius: 10px;
   }
 }