/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; font-size: 1rem; line-height: 1.6; color: #FFFFFF; background: #0B1B2D; min-height: 100vh; -webkit-font-smoothing: antialiased; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
/* ===== CSS Variables ===== */
:root {
  --color-primary: #0B1B2D;
  --color-accent: #FF5A00;
  --color-secondary: #C0C0C0;
  --color-neon: #8A2BE2;
  --color-text: #FFFFFF;
  --color-text-muted: #B0B0B0;
  --color-card: #1A2A3E;
  --color-border: #FF5A00;
  --font-heading: 'Impact', 'Arial Black', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1280px;
  --header-height: 70px;
  --transition: 0.25s ease;
  --radius: 4px;
  --radius-card: 6px;
}
/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; letter-spacing: 0.01em; line-height: 1.2; color: var(--color-text); }
h1 { font-size: clamp(2.2rem, 6vw, 3rem); text-transform: uppercase; }
h2 { font-size: clamp(1.8rem, 4.5vw, 2.25rem); }
h3 { font-size: clamp(1.4rem, 3vw, 1.75rem); }
p, li, .text-body { font-family: var(--font-body); font-size: 1rem; line-height: 1.6; color: var(--color-text); }
.text-muted { color: var(--color-text-muted); font-size: 0.9rem; }
/* ===== Container ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 768px) { .container { padding: 0 2rem; } }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }
/* ===== Skip Link ===== */
.skip-link { position: absolute; top: -100px; left: 0; z-index: 10000; padding: 0.75rem 1.5rem; background: var(--color-accent); color: #fff; font-weight: 600; border-radius: 0 0 var(--radius) 0; transition: top var(--transition); }
.skip-link:focus { top: 0; outline: 2px solid #fff; outline-offset: 2px; }
/* ===== Header ===== */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(11,27,45,0.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(192,192,192,0.15); height: var(--header-height); transition: background var(--transition), box-shadow var(--transition); }
.site-header[data-scrolled] { background: rgba(11,27,45,0.96); box-shadow: 0 2px 20px rgba(0,0,0,0.5); }
.header-inner { display: flex; align-items: center; justify-content: space-between; max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; height: 100%; position: relative; }
@media (min-width: 768px) { .header-inner { padding: 0 2rem; } }
@media (min-width: 1024px) { .header-inner { padding: 0 2.5rem; } }
.brand { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.brand-icon { font-size: 1.6rem; line-height: 1; color: var(--color-accent); filter: drop-shadow(0 0 6px rgba(255,90,0,0.3)); }
.brand-text { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.04em; background: linear-gradient(135deg, #FF5A00 0%, #FF8C00 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav-list { display: flex; align-items: center; gap: 0.25rem; }
.nav-link { display: block; padding: 0.5rem 1rem; font-family: var(--font-body); font-size: 0.9rem; font-weight: 500; color: var(--color-text-muted); border-radius: 100px; transition: color var(--transition), background var(--transition), transform var(--transition); position: relative; letter-spacing: 0.02em; }
.nav-link:hover { color: var(--color-text); background: rgba(255,90,0,0.12); transform: scale(1.02); }
.nav-link[aria-current="page"] { color: var(--color-accent); background: rgba(255,90,0,0.15); font-weight: 600; box-shadow: inset 0 0 0 1px rgba(255,90,0,0.2); }
.nav-cta { margin-left: 0.5rem; flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; width: 44px; height: 44px; border-radius: var(--radius); background: rgba(255,255,255,0.06); transition: background var(--transition); }
.nav-toggle:hover { background: rgba(255,90,0,0.15); }
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav-toggle-bar + .nav-toggle-bar { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .nav { position: fixed; top: var(--header-height); left: 0; width: 100%; background: rgba(11,27,45,0.98); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); flex-direction: column; align-items: stretch; padding: 1.25rem 1.5rem 2rem; gap: 0.75rem; transform: translateY(-10px); opacity: 0; visibility: hidden; transition: opacity var(--transition), transform var(--transition), visibility var(--transition); border-bottom: 2px solid rgba(255,90,0,0.15); max-height: calc(100vh - var(--header-height)); overflow-y: auto; }
  .nav[data-open] { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-list { flex-direction: column; width: 100%; gap: 0.25rem; }
  .nav-link { width: 100%; text-align: center; padding: 0.75rem 1rem; font-size: 1rem; border-radius: var(--radius-card); }
  .nav-cta { width: 100%; text-align: center; margin-left: 0; margin-top: 0.5rem; }
}
/* ===== Footer ===== */
.site-footer { background: #060F1A; color: var(--color-text-muted); padding: 3rem 0 2rem; border-top: 2px solid rgba(255,90,0,0.1); position: relative; overflow: hidden; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-neon), transparent); }
.footer-inner { display: flex; flex-direction: column; gap: 0.75rem; position: relative; z-index: 1; }
.footer-brand { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; margin-bottom: 0.5rem; }
.footer-brand .brand-icon { font-size: 1.3rem; }
.footer-brand .brand-text { font-size: 1.2rem; background: linear-gradient(135deg, #FF5A00, #FF8C00); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-tagline { width: 100%; font-size: 0.85rem; color: var(--color-text-muted); letter-spacing: 0.04em; margin-top: 0.1rem; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; }
.footer-link { color: var(--color-text-muted); font-size: 0.9rem; transition: color var(--transition); border-bottom: 1px solid transparent; }
.footer-link:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.footer-link-sep { color: rgba(192,192,192,0.3); font-size: 0.8rem; }
.footer-contact { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; font-size: 0.9rem; color: var(--color-text-muted); }
.footer-contact-link { color: var(--color-text-muted); transition: color var(--transition); border-bottom: 1px solid transparent; }
.footer-contact-link:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.footer-contact-spacer { color: rgba(192,192,192,0.3); display: none; }
@media (min-width: 640px) { .footer-contact-spacer { display: inline; } }
.footer-icp { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-icp-sep { color: rgba(192,192,192,0.2); }
.footer-statement { font-size: 0.8rem; color: rgba(255,255,255,0.35); border-top: 1px solid rgba(192,192,192,0.08); padding-top: 0.75rem; margin-top: 0.25rem; max-width: 680px; line-height: 1.5; }
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.3); padding-top: 0.5rem; }
@media (max-width: 639px) {
  .site-footer { padding: 2rem 0 1.5rem; }
  .footer-links, .footer-contact, .footer-icp { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
  .footer-link-sep, .footer-icp-sep { display: none; }
}
/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.7rem 1.8rem; font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; border-radius: var(--radius); transition: transform var(--transition), box-shadow var(--transition), background var(--transition); position: relative; overflow: hidden; }
.btn::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 50%); pointer-events: none; }
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: 0 4px 16px rgba(255,90,0,0.25); }
.btn-primary:hover { transform: scale(1.04); box-shadow: 0 6px 24px rgba(255,90,0,0.4); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: transparent; color: var(--color-secondary); border: 1px solid var(--color-secondary); box-shadow: none; }
.btn-outline:hover { background: rgba(192,192,192,0.1); border-color: var(--color-accent); color: var(--color-accent); transform: scale(1.02); }
.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.8rem; }
/* ===== Card ===== */
.card { background: var(--color-card); border-radius: var(--radius-card); padding: 1.5rem; border: 1px solid rgba(192,192,192,0.08); transition: transform var(--transition), box-shadow var(--transition); position: relative; overflow: hidden; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.4); }
.card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: linear-gradient(180deg, var(--color-accent), var(--color-neon)); opacity: 0; transition: opacity var(--transition); }
.card:hover::before { opacity: 1; }
/* ===== Section Title ===== */
.section-title { position: relative; display: inline-block; margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 0.03em; }
.section-title::after { content: ''; display: block; width: 60%; height: 3px; background: linear-gradient(90deg, var(--color-accent), transparent); margin-top: 0.4rem; border-radius: 2px; }
.section-title[data-cut] { transform: skewX(-3deg); }
/* ===== Tag ===== */
.tag { display: inline-block; padding: 0.25rem 0.75rem; background: rgba(138,43,226,0.15); color: var(--color-neon); font-size: 0.75rem; font-weight: 600; border-radius: 100px; letter-spacing: 0.04em; text-transform: uppercase; border: 1px solid rgba(138,43,226,0.2); }
/* ===== Speed Line ===== */
.speed-line { position: relative; overflow: hidden; }
.speed-line::after { content: ''; position: absolute; width: 80px; height: 2px; background: linear-gradient(90deg, var(--color-accent), transparent); top: 50%; right: -20px; transform: translateY(-50%) rotate(-12deg); opacity: 0.4; pointer-events: none; }
/* ===== Progress Bar ===== */
.progress-bar { height: 4px; background: rgba(192,192,192,0.1); border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--color-accent), var(--color-neon)); border-radius: 4px; transition: width 0.6s ease; }
/* ===== Accordion ===== */
.accordion { border-bottom: 1px solid rgba(192,192,192,0.08); }
.accordion-trigger { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 1rem 0; font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; text-align: left; color: var(--color-text); transition: color var(--transition); border: none; background: none; cursor: pointer; }
.accordion-trigger:hover { color: var(--color-accent); }
.accordion-trigger::after { content: '+'; font-size: 1.4rem; font-weight: 400; color: var(--color-accent); transition: transform var(--transition); }
.accordion[data-open] .accordion-trigger::after { transform: rotate(45deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 0.5rem; }
.accordion[data-open] .accordion-content { max-height: 600px; padding: 0 0.5rem 1.25rem; }
/* ===== Back to Top ===== */
.back-top { position: fixed; bottom: 2rem; right: 2rem; width: 48px; height: 48px; border-radius: 50%; background: var(--color-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; box-shadow: 0 4px 16px rgba(255,90,0,0.3); opacity: 0; visibility: hidden; transform: translateY(20px); transition: opacity var(--transition), transform var(--transition), visibility var(--transition), background var(--transition); z-index: 999; border: 2px solid transparent; }
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: #FF6A1A; transform: translateY(-4px) scale(1.05); box-shadow: 0 8px 24px rgba(255,90,0,0.4); }
.back-top:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
/* ===== Breadcrumb ===== */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.6rem; padding: 0.75rem 0; font-size: 0.85rem; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition); border-bottom: 1px solid transparent; }
.breadcrumb a:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.breadcrumb-sep { color: rgba(192,192,192,0.25); font-size: 0.75rem; }
/* ===== Main Content Wrapper ===== */
#main-content { min-height: calc(100vh - var(--header-height) - 200px); padding-top: var(--header-height); }
/* ===== Focus Visible ===== */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }
/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .nav { transition: none; }
  .back-top { transition: none; }
  .card:hover { transform: none; }
  .btn:hover { transform: none; }
}
/* ===== Utility ===== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-neon { color: var(--color-neon); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.gap-1 { gap: 1rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
/* ===== Responsive Grid Foundation ===== */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
/* ===== Image Placeholder Rules ===== */
.img-wrap { position: relative; overflow: hidden; border-radius: var(--radius-card); background: rgba(255,255,255,0.03); }
.img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.img-wrap:hover img { transform: scale(1.03); }
.img-placeholder { display: flex; align-items: center; justify-content: center; min-height: 180px; background: linear-gradient(135deg, rgba(255,90,0,0.05), rgba(138,43,226,0.05)); border: 1px dashed rgba(192,192,192,0.15); border-radius: var(--radius-card); color: var(--color-text-muted); font-size: 0.85rem; }
/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,90,0,0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,90,0,0.5); }