/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{min-height:100vh;background:#0A1128;color:#FFFFFF;font-family:"Inter","Noto Sans SC",system-ui,-apple-system,sans-serif;font-weight:400;font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;border:none;background:none;outline:none}
button{cursor:pointer}
:focus-visible{outline:2px solid #FF6B35;outline-offset:2px;border-radius:4px}
/* ===== CSS Variables ===== */
:root{
  --color-primary:#0B1D3A;
  --color-primary-light:#122a52;
  --color-accent:#FF6B35;
  --color-accent-hover:#FF8C00;
  --color-gradient:linear-gradient(135deg,#0B1D3A,#FF6B35,#9B59B6);
  --color-bg-dark:#0A1128;
  --color-bg-light:#F4F7FC;
  --color-text-light:#FFFFFF;
  --color-text-dark:#1A1A2E;
  --color-chart-1:#FF6B35;
  --color-chart-2:#3B82F6;
  --color-chart-3:#9B59B6;
  --color-chart-4:#10B981;
  --color-glass:rgba(255,255,255,0.06);
  --color-glass-border:rgba(255,255,255,0.10);
  --font-heading:"Montserrat","Noto Sans SC",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC",system-ui,sans-serif;
  --font-data:"JetBrains Mono","Courier New",monospace;
  --font-nav:"Inter","Noto Sans SC",system-ui,sans-serif;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:24px;
  --radius-xl:32px;
  --shadow-sm:0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:0 6px 24px rgba(0,0,0,0.4);
  --shadow-lg:0 12px 48px rgba(0,0,0,0.5);
  --transition:0.25s cubic-bezier(0.25,0.46,0.45,0.94);
  --max-width:1280px;
  --header-height:72px;
  --header-scroll-height:64px;
  --progress-height:3px;
}
/* ===== Skip Link ===== */
.skip-link{position:fixed;top:-100%;left:16px;z-index:9999;padding:8px 20px;background:#FF6B35;color:#0A1128;font-weight:600;font-size:0.9rem;border-radius:0 0 var(--radius-md) var(--radius-md);transition:top 0.3s}
.skip-link:focus{top:0}
/* ===== Container ===== */
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px;width:100%}
/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:1000;background:var(--color-bg-dark);border-bottom:1px solid rgba(255,107,53,0.15);box-shadow:0 4px 24px rgba(0,0,0,0.5);transition:background 0.3s,box-shadow 0.3s;font-family:var(--font-nav)}
.header-inner{display:flex;flex-wrap:wrap;align-items:center;max-width:var(--max-width);margin:0 auto;padding:0 24px;min-height:var(--header-height);gap:12px;position:relative}
.header-brand{display:flex;align-items:center;flex-shrink:0}
.brand-link{display:flex;flex-direction:column;gap:2px;padding:4px 0}
.brand-logo{font-family:var(--font-heading);font-style:italic;font-weight:700;font-size:1.5rem;color:#FFFFFF;letter-spacing:0.02em;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.brand-sub{font-size:0.7rem;font-weight:500;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:0.12em;font-family:var(--font-body)}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto;order:2}
.action-btn{display:inline-flex;align-items:center;justify-content:center;padding:6px 16px;border-radius:var(--radius-xl);font-size:0.8rem;font-weight:600;font-family:var(--font-body);text-transform:uppercase;letter-spacing:0.04em;transition:all var(--transition);border:1px solid rgba(255,255,255,0.12);color:rgba(255,255,255,0.85);background:rgba(255,255,255,0.04);white-space:nowrap}
.action-btn:hover{background:rgba(255,107,53,0.15);border-color:var(--color-accent);color:#FFFFFF}
.login-btn{background:var(--color-accent);border-color:var(--color-accent);color:#0A1128;font-weight:700}
.login-btn:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover);color:#0A1128;box-shadow:0 0 20px rgba(255,107,53,0.3)}
.header-nav{order:3;flex:1 1 100%;display:none;padding:12px 0 8px;border-top:1px solid rgba(255,255,255,0.06);margin-top:4px}
.header-nav[data-open]{display:block}
.nav-list{display:flex;flex-wrap:wrap;gap:4px}
.nav-list li a{display:block;padding:8px 16px;border-radius:var(--radius-xl);font-size:0.9rem;font-weight:600;font-family:var(--font-nav);text-transform:uppercase;letter-spacing:0.04em;color:rgba(255,255,255,0.7);transition:all var(--transition);border:1px solid transparent}
.nav-list li a:hover{color:#FFFFFF;background:rgba(255,107,53,0.08);border-color:rgba(255,107,53,0.2)}
.nav-list li a[aria-current="page"]{color:#FFFFFF;background:rgba(255,107,53,0.12);border-color:var(--color-accent);box-shadow:inset 0 0 0 1px rgba(255,107,53,0.3)}
.nav-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;border-radius:var(--radius-md);background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);transition:all var(--transition);order:1;margin-left:auto;padding:8px}
.nav-toggle:hover{background:rgba(255,107,53,0.1);border-color:rgba(255,107,53,0.2)}
.toggle-line{display:block;width:22px;height:2px;background:rgba(255,255,255,0.7);border-radius:2px;transition:all 0.3s}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ===== Progress Bar ===== */
.progress-bar{position:absolute;bottom:0;left:0;width:0%;height:var(--progress-height);background:var(--color-gradient);border-radius:0 2px 0 0;transition:width 0.1s linear;pointer-events:none;z-index:1;box-shadow:0 0 12px rgba(255,107,53,0.4)}
/* ===== Footer ===== */
.site-footer{background:var(--color-primary);border-top:1px solid rgba(255,107,53,0.1);padding:0;font-family:var(--font-body)}
.footer-inner{max-width:var(--max-width);margin:0 auto;padding:48px 24px 28px}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand{display:flex;flex-direction:column;gap:8px}
.footer-logo{font-family:var(--font-heading);font-style:italic;font-weight:700;font-size:1.6rem;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.footer-tagline{font-size:0.85rem;color:rgba(255,255,255,0.45);text-transform:uppercase;letter-spacing:0.08em}
.footer-links{display:flex;flex-wrap:wrap;gap:16px 24px}
.footer-links a{font-size:0.9rem;font-weight:500;color:rgba(255,255,255,0.7);transition:color var(--transition);position:relative}
.footer-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--color-accent);transition:width var(--transition)}
.footer-links a:hover{color:#FFFFFF}
.footer-links a:hover::after{width:100%}
.footer-contact{display:flex;flex-direction:column;gap:6px}
.footer-contact p{font-size:0.85rem;color:rgba(255,255,255,0.55);line-height:1.5}
.footer-note{font-size:0.8rem;color:rgba(255,255,255,0.4);margin-top:4px;padding-top:8px;border-top:1px solid rgba(255,255,255,0.05)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:20px}
.footer-copyright,.footer-icp{font-size:0.8rem;color:rgba(255,255,255,0.4)}
.footer-trust{width:100%;font-size:0.75rem;color:rgba(255,255,255,0.3);text-align:center;margin-top:8px;padding-top:12px;border-top:1px solid rgba(255,255,255,0.04)}
/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:var(--radius-xl);font-family:var(--font-body);font-weight:600;font-size:0.95rem;text-transform:uppercase;letter-spacing:0.04em;transition:all var(--transition);cursor:pointer;border:2px solid transparent}
.btn-primary{background:var(--color-primary);color:#FFFFFF;border-color:var(--color-primary)}
.btn-primary:hover{background:var(--color-primary-light);border-color:var(--color-primary-light);box-shadow:0 0 20px rgba(11,29,58,0.3)}
.btn-accent{background:var(--color-accent);color:#0A1128;border-color:var(--color-accent);font-weight:700}
.btn-accent:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover);box-shadow:0 0 28px rgba(255,107,53,0.35)}
.btn-outline{background:transparent;color:#FFFFFF;border-color:rgba(255,255,255,0.2)}
.btn-outline:hover{background:rgba(255,255,255,0.06);border-color:var(--color-accent);color:var(--color-accent)}
/* ===== Breadcrumb ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:0.85rem;color:rgba(255,255,255,0.5)}
.breadcrumb a{color:rgba(255,255,255,0.6);transition:color var(--transition)}
.breadcrumb a:hover{color:var(--color-accent)}
.breadcrumb .separator{color:rgba(255,255,255,0.2);user-select:none}
.breadcrumb .current{color:#FFFFFF;font-weight:600}
/* ===== Content Section ===== */
.content-section{padding:48px 0}
.content-section h1{font-family:var(--font-heading);font-style:italic;font-weight:700;font-size:2.5rem;margin-bottom:16px;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.content-section h2{font-family:var(--font-heading);font-style:italic;font-weight:700;font-size:1.75rem;margin-bottom:12px;color:#FFFFFF;line-height:1.3}
.content-section h3{font-family:var(--font-heading);font-style:italic;font-weight:600;font-size:1.25rem;margin-bottom:8px;color:rgba(255,255,255,0.9);line-height:1.4}
.content-section p{font-size:1rem;line-height:1.7;color:rgba(255,255,255,0.75);margin-bottom:16px}
.page-subtitle{font-size:1.1rem;color:rgba(255,255,255,0.55);margin-bottom:32px;font-weight:400}
/* ===== Grid ===== */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
/* ===== Cards ===== */
.card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.06);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition);box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,107,53,0.15)}
.glass-card{background:var(--color-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-glass-border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);transition:all var(--transition)}
.glass-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,107,53,0.2);background:rgba(255,255,255,0.08)}
/* ===== Data Display ===== */
.data-display{font-family:var(--font-data);font-weight:700;font-size:3rem;letter-spacing:0.02em;line-height:1.1;color:#FFFFFF}
.data-display.accent{color:var(--color-accent)}
.data-display.small{font-size:1.8rem}
.data-label{font-size:0.8rem;text-transform:uppercase;letter-spacing:0.08em;color:rgba(255,255,255,0.45);font-weight:500;font-family:var(--font-body)}
/* ===== Responsive ===== */
@media(min-width:640px){
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
  .footer-links{justify-content:flex-end}
  .footer-contact{text-align:right}
  .grid-2{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:768px){
  .header-inner{flex-wrap:nowrap;gap:16px}
  .header-actions{order:3;margin-left:0;flex-shrink:0}
  .header-nav{order:2;flex:1 1 auto;display:flex!important;border-top:none;margin-top:0;padding:0;justify-content:center}
  .nav-list{flex-wrap:nowrap;gap:2px}
  .nav-list li a{padding:8px 14px;font-size:0.8rem}
  .nav-toggle{display:none}
  .header-brand{flex-shrink:0}
  .brand-logo{font-size:1.4rem}
  .brand-sub{font-size:0.65rem}
}
@media(min-width:1024px){
  .header-inner{gap:24px}
  .nav-list li a{padding:8px 20px;font-size:0.85rem}
  .brand-logo{font-size:1.6rem}
  .footer-top{grid-template-columns:2fr 1fr 1.5fr;gap:48px}
  .footer-contact{text-align:left}
  .footer-links{justify-content:flex-start;flex-direction:column;gap:12px}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .content-section{padding:64px 0}
}
@media(min-width:1280px){
  .nav-list li a{padding:10px 24px;font-size:0.9rem}
}
/* ===== 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}
  .progress-bar{display:none}
  .card:hover,.glass-card:hover{transform:none}
}
/* ===== Focus ===== */
a:focus-visible,button:focus-visible,.btn:focus-visible,.action-btn:focus-visible,.nav-toggle:focus-visible{outline:2px solid #FF6B35;outline-offset:2px;border-radius:var(--radius-md)}
.nav-list li a:focus-visible{border-radius:var(--radius-xl);outline-offset:0}
/* ===== Misc ===== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.text-gradient{background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.separator-dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,0.2);margin:0 10px;vertical-align:middle}