/* Byte-Tron Solutions SEO prototype styles */
:root {
  --bg: #08111f;
  --bg-soft: #0f1b2d;
  --bg-card: #132238;
  --text: #edf5ff;
  --muted: #aebed3;
  --line: rgba(255,255,255,.12);
  --brand: #38bdf8;
  --brand-2: #22c55e;
  --warning: #facc15;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Noto Sans HK", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(56,189,248,.18), transparent 35%), var(--bg);
  line-height: 1.72;
} */
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
img { max-width: 100%; height: auto; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.skip-link { position:absolute; left:-999px; top:8px; background:#fff; color:#000; padding:8px 12px; z-index:999; }
.skip-link:focus { left:8px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,17,31,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.main-nav { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:76px; }
.brand { display:flex; align-items:center; gap:12px; font-weight:800; letter-spacing:.2px; }
.brand-mark { width:38px; height:38px; display:grid; place-items:center; border-radius:12px; background:linear-gradient(135deg,var(--brand),#6366f1); font-weight:900; }
.nav-menu { display:flex; align-items:center; gap:18px; list-style:none; margin:0; padding:0; font-size:15px; }
.nav-cta, .btn-primary { background:linear-gradient(135deg,var(--brand),#2563eb); color:white; padding:10px 16px; border-radius:999px; font-weight:700; display:inline-flex; align-items:center; gap:8px; }
.nav-cta:hover, .btn-primary:hover { color:white; filter:brightness(1.08); }
.btn-secondary { border:1px solid var(--line); padding:10px 16px; border-radius:999px; color:var(--text); display:inline-flex; }
.btn-secondary:hover { border-color:var(--brand); }
.dropdown { position:relative; }
.dropdown > button { background:transparent; color:var(--text); border:0; font:inherit; cursor:pointer; padding:0; }
.dropdown-menu { display:none; position:absolute; top:32px; left:-20px; min-width:330px; background:#0b1628; border:1px solid var(--line); border-radius:16px; padding:12px; list-style:none; box-shadow:0 20px 60px rgba(0,0,0,.35); }
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { display:block; }
.dropdown-menu a { display:block; padding:10px 12px; border-radius:10px; color:var(--muted); }
.dropdown-menu a:hover { background:rgba(56,189,248,.1); color:var(--text); }
.hero { padding:96px 0 72px; }
.hero-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap:52px; align-items:center; }
.eyebrow { color:var(--brand); text-transform:uppercase; letter-spacing:.13em; font-size:16px; font-weight:900;}
h1 { font-size: clamp(38px, 6vw, 68px); line-height:1.08; margin:14px 0 22px; letter-spacing:-.04em; }
h2 { font-size: clamp(28px, 4vw, 42px); line-height:1.18; margin:0 0 18px; letter-spacing:-.02em; }
h3 { font-size:22px; line-height:1.3; margin:0 0 10px; }
p { margin:0 0 16px; color:var(--muted); }
.lead { font-size:20px; color:#d9e7f7; }
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }
.trust-row { display:flex; gap:12px; flex-wrap:wrap; margin:30px; justify-content:center; }
.trust-pill { border:1px solid var(--line); color:var(--muted); border-radius:999px; padding:8px 12px; font-size:14px; background:rgba(255,255,255,.04); }
.panel { background:linear-gradient(180deg, rgba(19,34,56,.92), rgba(12,24,42,.92)); border:1px solid var(--line); border-radius:28px; padding:28px; box-shadow:0 24px 90px rgba(0,0,0,.28); }
.metric-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.metric { background:rgba(255,255,255,.045); border:1px solid var(--line); border-radius:18px; padding:18px; }
.metric strong { display:block; color:var(--text); font-size:18px; }
.section { padding:72px 0; }
.section-muted { background:rgba(255,255,255,.035); border-block:1px solid var(--line); }
.section-head { max-width:820px; margin-bottom:34px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.card { background:rgba(19,34,56,.76); border:1px solid var(--line); border-radius:22px; padding:24px; }
.card ul, .content ul { margin:14px 0 0; padding-left:20px; color:var(--muted); }
.card li, .content li { margin:8px 0; }
.card-link { color:var(--brand); font-weight:700; display:inline-flex; margin-top:12px; }
.breadcrumb { padding-top:24px; color:var(--muted); font-size:14px; }
.breadcrumb a { color:var(--brand); }
.content { max-width:880px; }
.content h2 { margin-top:36px; font-size: xx-large;font-weight: 900;}
h2 { margin-top:36px !important; font-size: xx-large!important;font-weight: 900!important;}
.process { counter-reset: step; display:grid; gap:16px; }
.step { display:grid; grid-template-columns:48px 1fr; gap:16px; align-items:start; }
.step:before { counter-increment: step; content: counter(step); width:42px; height:42px; display:grid; place-items:center; border-radius:14px; background:rgba(56,189,248,.16); color:var(--brand); font-weight:900; border:1px solid rgba(56,189,248,.35); }
.faq details { background:rgba(19,34,56,.76); border:1px solid var(--line); border-radius:16px; padding:18px 20px; margin:12px 0; }
.faq summary { cursor:pointer; font-weight:800; color:var(--text); }
.cta-band { background:linear-gradient(135deg, rgba(56,189,248,.2), rgba(34,197,94,.16)); border:1px solid rgba(56,189,248,.25); border-radius:28px; padding:34px; display:flex; justify-content:space-between; gap:24px; align-items:center; }
.site-footer { border-top:1px solid var(--line); background:#07101d; padding:56px 0 24px; }
.footer-grid { display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:30px; }
.footer-grid h2 { font-size:18px; margin-bottom:12px; }
.footer-grid ul { list-style:none; padding:0; margin:0; }
.footer-grid li { margin:8px 0; color:var(--muted); }
.footer-bottom { border-top:1px solid var(--line); margin-top:34px; padding-top:20px; display:flex; justify-content:space-between; gap:20px; color:var(--muted); font-size:14px; }
.notice { border-left:4px solid var(--warning); background:rgba(250,204,21,.08); padding:16px 18px; border-radius:12px; color:#fde68a; }
@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2, .footer-grid { grid-template-columns:1fr; }
  .nav-menu { display:none; }
  .cta-band { flex-direction:column; align-items:flex-start; }
}

/* Enhanced visual layer for consistent cybersecurity UI */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at top, #000 0, transparent 72%);
  z-index: 0;
}
.site-header { box-shadow: 0 12px 40px rgba(0,0,0,.22); }
.brand-mark { box-shadow: 0 0 28px rgba(56,189,248,.38); }
main, .site-footer { position: relative; z-index: 1; }
.hero { position: relative; overflow: hidden; }
.hero::after {
  content: "";
  position: absolute;
  right: -12%; top: 12%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(34,197,94,.16), transparent 60%);
  filter: blur(8px);
  pointer-events: none;
}
.panel, .card, .cta-band { position: relative; overflow: hidden; }
.panel::before, .card::before, .cta-band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,.85), rgba(34,197,94,.75), transparent);
}
.card { transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(56,189,248,.38); background: rgba(19,34,56,.92); }
.service-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: rgba(56,189,248,.12);
  color: var(--brand);
  border: 1px solid rgba(56,189,248,.28);
  font-weight: 900; font-size: 13px; letter-spacing: .04em;
  margin-bottom: 14px;
}
.kicker-row { display:flex; gap:10px; flex-wrap:wrap; margin: 18px 0 0; }
.kicker { color:#dbeafe; background:rgba(96,165,250,.12); border:1px solid rgba(96,165,250,.22); padding:6px 10px; border-radius:999px; font-size:13px; }
.legal-content { max-width: 920px; }
.legal-content h2 { margin-top: 42px; }
.legal-content h3 { margin-top: 24px; }
.legal-content p, .legal-content li { color: var(--muted); }
.legal-content table { width:100%; border-collapse: collapse; margin: 18px 0; border:1px solid var(--line); border-radius:14px; overflow:hidden; }
.legal-content th, .legal-content td { border:1px solid var(--line); padding:12px 14px; text-align:left; vertical-align:top; }
.legal-content th { color:var(--text); background:rgba(56,189,248,.1); }

.h-screen { height: 220vh !important; }

.instagram-container {
  width: 100%;
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 15px;
  box-sizing: border-box;
}
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
body {font-family: 'Inter', sans-serif;background-color: #0a0a0a;color: #e2e8f0;}

.glass-effect {background: rgba(17, 24, 39, 1);backdrop-filter: blur(10px);-webkit-backdrop-filter: blur(10px);border: 1px solid rgba(255, 255, 255, 0.1);}
.hero-gradient-text {
    background: linear-gradient(to right, #38bdf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-gradient-text-secondary {
    background: linear-gradient(to right, #38bdf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-title-gradient {
    background: linear-gradient(to right, #60a5fa, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.expert-team-gradient {
     background: linear-gradient(to right, #60a5fa, #22d3ee);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.card-hover-effect {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.card-hover-effect:hover {
transform: translateY(-8px);
        box-shadow: 0 20px 25px -5px rgba(56, 189, 248, 0.1), 0 10px 10px -5px rgba(56, 189, 248, 0.04);
        border-color: rgba(56, 189, 248, 0.5);
}
/* .page { display: none; } */
/* .page.active { display: block; } */
.logo-img-blend { mix-blend-mode: multiply; filter: brightness(1.2); }
.nav-link.active { color: #38bdf8; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.image-glow {
    box-shadow: 0 0 25px 5px rgba(167, 139, 250, 0.3);
}

.gradient-btn {
    background: linear-gradient(135deg, #38bdf8 0%, #a78bfa 100%);
    color: white;
    font-weight: bold;
    padding: 12px 32px;
    border-radius: 9999px;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.gradient-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #a78bfa 0%, #38bdf8 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: 9999px;
}
.gradient-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
}
.gradient-btn:hover::before {
    opacity: 1;
}
.gradient-btn:active {
    transform: scale(0.98);
}
.particle-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}
.particle {
    position: absolute;
    background: rgba(56, 189, 248, 0.6);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.7; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}
        
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s ;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: rgba(56, 189, 248, 0.8); }
}

.counter {
    font-variant-numeric: tabular-nums;
}

.bounce-hover {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bounce-hover:hover {
    transform: translateY(-2px) scale(1.05);
}

.glow-pulse {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(56, 189, 248, 0.5); }
    to { box-shadow: 0 0 30px rgba(56, 189, 248, 0.8), 0 0 40px rgba(56, 189, 248, 0.3); }
}
@keyframes animate-spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
        
.animate-spin-slow {
    animation: animate-spin-slow 20s linear infinite;
}
.trust-badge {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(34, 197, 94, 0.1) 100%);
    border: 1px solid rgba(34, 197, 94, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.enhanced-card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.enhanced-card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px rgba(56, 189, 248, 0.2);
}
@media (max-width: 1024px) {
    .service-hero-title {
        font-size: 3.5rem !important;
        line-height: 1.1;
    }
    
    .service-hero-visual {
        margin-top: 2rem;
    }
}
        
@media (max-width: 768px) {
    .hero-gradient-text-secondary {
        font-size: 2.5rem !important;
        line-height: 1.2;
    }
    
    .glass-effect {
        padding: 1.5rem !important;
        margin: 0 1rem;
    }
    
    .nav-dropdown {
        position: relative !important;
        box-shadow: none !important;
        background: transparent !important;
        padding: 0 !important;
    }
    
    .stats-grid-mobile {
        grid-template-columns: 1fr 1fr !important;
        gap: 1rem !important;
    }
    .mobile-cta {
        padding: 1rem 2rem !important;
        font-size: 1rem !important;
    }
    .mobile-hero-padding {
        padding: 2rem 1rem !important;
    }
    .service-hero-title {
        font-size: 2.5rem !important;
        line-height: 1.2;
    }
    
    .service-card-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    
    .service-hero-buttons {
        flex-direction: column !important;
        gap: 1rem !important;
    }
    
    .service-hero-buttons > * {
        width: 100% !important;
        text-align: center !important;
    }
    
    .service-benefits-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    .service-hero-visual {
        display: none !important;
    }
    .service-section {
        padding: 3rem 0 !important;
    }
    .service-card-enhanced {
        padding: 1.5rem !important;
        margin: 0 0.5rem !important;
    }
    
    .service-card-enhanced h3 {
        font-size: 1.5rem !important;
    }
}

@media (max-width: 640px) {
    .text-responsive-sm {
        font-size: 1.125rem !important;
        line-height: 1.75rem !important;
    }
    
    .hero-title-mobile {
        font-size: 2rem !important;
        line-height: 2.25rem !important;
    }
    .service-hero-title {
        font-size: 2rem !important;
        line-height: 1.2;
    }
    
    .service-hero-desc {
        font-size: 1rem !important;
        line-height: 1.6;
    }
    
    .service-badge-pills {
        flex-direction: column !important;
        align-items: center !important;
    }
    
    .service-badge-pills > * {
        width: auto !important;
        min-width: 200px !important;
        text-align: center !important;
    }
    .service-card-enhanced:hover {
        transform: translateY(-4px) !important;
    }
}
        
@media (max-width: 480px) {
    .service-hero-title {
        font-size: 1.75rem !important;
    }
    
    .service-section {
        padding: 2rem 0 !important;
    }
    
    .container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    .service-card-enhanced {
        transition: none !important;
    }
    
    .service-card-enhanced:hover {
        transform: none !important;
    }
}
.service-card-enhanced {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.service-card-enhanced:hover::before {
    left: 100%;
}

.service-card-enhanced:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 60px rgba(239, 68, 68, 0.3);
}
@keyframes float-gentle {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

.float-animation {
    animation: float-gentle 4s ease-in-out infinite;
}
@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 40px rgba(239, 68, 68, 0.6);
        transform: scale(1.05);
    }
}

.pulse-glow {
    animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes text-reveal {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.text-reveal {
    animation: text-reveal 0.8s ease-out forwards;
}
.service-hero-bg {
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}
@keyframes progress-fill {
    0% { width: 0%; }
    100% { width: 100%; }
}

.progress-bar {
    position: relative;
    background: rgba(239, 68, 68, 0.2);
    border-radius: 10px;
    overflow: hidden;
}
.progress-fill {
    height: 8px;
    background: linear-gradient(90deg, #ef4444, #f97316);
    border-radius: 10px;
    animation: progress-fill 2s ease-out forwards;
}
.icon-bounce:hover {
    animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}
.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;
}
.focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
    .service-card-enhanced,
    .service-card-enhanced:hover,
    .float-animation,
    .pulse-glow,
    .text-reveal,
    .icon-bounce:hover {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}
@media (prefers-contrast: high) {
    .service-card-enhanced {
        border: 2px solid white;
    }
    
    .bg-gradient-to-r {
        background: #ef4444 !important;
    }
}

.will-change-transform {will-change: transform;}
.will-change-opacity {will-change: opacity;}

.lazy-loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
        
.slide-in-left {animation: slideInLeft 0.8s ease-out forwards;}
        
@keyframes slideInLeft {
    from { transform: translateX(-100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
        
.slide-in-right {animation: slideInRight 0.8s ease-out forwards;}
        
@keyframes slideInRight {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
        
.rotate-on-hover { transition: transform 0.3s ease;}
        
.rotate-on-hover:hover {transform: rotate(5deg) scale(1.1);}
        
.loading-dots::after {content: '';animation: dots 1.5s steps(5, end) infinite;}
        
@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}
        
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

pre {
    white-space: pre-wrap; 
    word-wrap: break-word;
}