/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;border:0;font:inherit;vertical-align:baseline}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}
body{min-height:100vh;line-height:1.6;font-family:'Inter','Roboto Condensed',system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:#0D1117;color:#FFFFFF;overflow-x:hidden}
img,svg,video,canvas{display:block;max-width:100%}
ul,ol{list-style:none}
a{text-decoration:none;color:inherit}
button{cursor:pointer;background:transparent;color:inherit;font:inherit}
strong,b{font-weight:700}
h1,h2,h3,h4,h5,h6{font-weight:800;line-height:1.2;overflow-wrap:break-word}
p{overflow-wrap:break-word;max-width:70ch}
:focus-visible{outline:2px solid #FF6B35;outline-offset:2px;border-radius:2px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;scroll-behavior:auto!important}}

/* ===== CSS VARIABLES ===== */
:root{
  --color-primary:#0A3D91;
  --color-primary-dark:#082E6E;
  --color-primary-darker:#062050;
  --color-accent:#FF6B35;
  --color-accent-dark:#E55A2B;
  --color-accent-darker:#CC4F22;
  --color-bg:#0D1117;
  --color-bg-light:#F0F4F8;
  --color-surface-glass:rgba(10,61,145,0.15);
  --color-text:#FFFFFF;
  --color-text-secondary:#B0B8C5;
  --color-success:#00C853;
  --color-error:#FF1744;
  --font-heading:'Inter',system-ui,sans-serif;
  --font-body:'Roboto Condensed',Arial,sans-serif;
  --sidebar-width:280px;
  --header-height:56px;
  --transition-speed:0.3s;
  --glass-blur:12px;
  --glass-border:1px solid rgba(255,255,255,0.08);
  --neon-glow:0 0 12px rgba(10,61,145,0.5);
  --neon-glow-accent:0 0 14px rgba(255,107,53,0.6);
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:16px;
  --content-max-width:1200px;
  --space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px
}
@media (min-width:768px){
  :root{--header-height:64px}
}

/* ===== SKIP LINK ===== */
.skip-link{position:fixed;top:-100%;left:16px;z-index:10000;padding:12px 24px;background:var(--color-accent);color:#fff;font-weight:700;font-size:1rem;border-radius:0 0 var(--radius-md) var(--radius-md);transition:top 0.2s ease}
.skip-link:focus{top:0}

/* ===== HEADER ===== */
.site-header{position:fixed;top:0;left:0;width:100%;height:var(--header-height);z-index:1001;background:rgba(13,17,23,0.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,0.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 var(--space-md);max-width:var(--content-max-width);margin:0 auto}
.brand-logo{font-family:var(--font-heading);font-weight:800;font-size:1.35rem;letter-spacing:-0.02em;color:var(--color-text);transition:color 0.2s ease;position:relative;z-index:1002}
.brand-logo:hover{color:var(--color-accent)}

/* ===== NAV TOGGLE ===== */
.nav-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;position:relative;z-index:1002;border-radius:var(--radius-sm);transition:background 0.2s ease}
.nav-toggle:hover{background:rgba(255,255,255,0.06)}
.nav-toggle-icon,.nav-toggle-icon::before,.nav-toggle-icon::after{display:block;width:24px;height:2px;background:var(--color-text);border-radius:2px;transition:all var(--transition-speed) ease}
.nav-toggle-icon{position:relative}
.nav-toggle-icon::before,.nav-toggle-icon::after{content:'';position:absolute;left:0}
.nav-toggle-icon::before{top:-7px}
.nav-toggle-icon::after{top:7px}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-icon{background:transparent}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-icon::before{top:0;transform:rotate(45deg)}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-icon::after{top:0;transform:rotate(-45deg)}
@media (min-width:768px){
  .nav-toggle{display:none}
}

/* ===== SIDEBAR NAV ===== */
.sidebar-nav{position:fixed;top:var(--header-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--header-height));z-index:1000;background:var(--color-surface-glass);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-right:var(--glass-border);transform:translateX(-100%);transition:transform var(--transition-speed) ease;overflow-y:auto;display:flex;flex-direction:column}
.sidebar-nav[data-open]{transform:translateX(0)}
.sidebar-brand{padding:var(--space-lg) var(--space-md);border-bottom:1px solid rgba(255,255,255,0.06);flex-shrink:0}
.sidebar-brand-link{font-family:var(--font-heading);font-weight:800;font-size:1.6rem;letter-spacing:-0.03em;color:var(--color-text);transition:color 0.2s ease;display:block}
.sidebar-brand-link:hover{color:var(--color-accent)}
.nav-list{flex:1;padding:var(--space-sm) 0}
.nav-link{display:flex;align-items:center;padding:var(--space-md) var(--space-lg);font-family:var(--font-body);font-weight:500;font-size:1.05rem;color:var(--color-text-secondary);transition:all 0.2s ease;border-left:3px solid transparent;position:relative}
.nav-link:hover{color:var(--color-text);background:rgba(255,255,255,0.04);border-left-color:var(--color-accent)}
.nav-link[aria-current="page"]{color:var(--color-accent);background:rgba(255,107,53,0.08);border-left-color:var(--color-accent);font-weight:700}
.nav-link[aria-current="page"]::after{content:'';position:absolute;right:var(--space-md);top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--color-accent);box-shadow:0 0 8px rgba(255,107,53,0.5)}
@media (min-width:768px){
  .sidebar-nav{transform:translateX(0);background:rgba(10,61,145,0.12);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
  .sidebar-nav[data-open]{transform:translateX(0)}
  .site-header .header-inner{padding-left:calc(var(--sidebar-width) + var(--space-md))}
  .brand-logo{font-size:1.5rem}
}

/* ===== NAV OVERLAY ===== */
.nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:999;background:rgba(0,0,0,0.5);opacity:0;pointer-events:none;transition:opacity var(--transition-speed) ease}
.nav-overlay[data-open]{opacity:1;pointer-events:auto}
@media (min-width:768px){.nav-overlay{display:none}}

/* ===== MAIN CONTENT ===== */
#main-content{display:block;min-height:60vh;padding-top:var(--header-height);transition:padding-left var(--transition-speed) ease}
@media (min-width:768px){
  #main-content{padding-left:var(--sidebar-width)}
}

/* ===== FOOTER ===== */
.site-footer{background:rgba(13,17,23,0.95);border-top:1px solid rgba(255,255,255,0.06);padding:var(--space-2xl) var(--space-md) var(--space-lg);margin-top:var(--space-3xl);transition:padding-left var(--transition-speed) ease}
@media (min-width:768px){
  .site-footer{padding-left:calc(var(--sidebar-width) + var(--space-md));padding-right:var(--space-lg)}
}
.footer-grid{max-width:var(--content-max-width);margin:0 auto;display:grid;grid-template-columns:1fr;gap:var(--space-xl)}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1.5fr}}
.footer-brand-section{display:flex;flex-direction:column;gap:var(--space-sm)}
.footer-brand{font-family:var(--font-heading);font-weight:800;font-size:1.4rem;color:var(--color-text);letter-spacing:-0.02em}
.footer-tagline{font-size:0.9rem;color:var(--color-text-secondary);max-width:30ch}
.footer-heading{font-family:var(--font-heading);font-weight:700;font-size:1rem;color:var(--color-text);margin-bottom:var(--space-sm);letter-spacing:0.02em;text-transform:uppercase;opacity:0.7}
.footer-links{display:flex;flex-direction:column;gap:var(--space-sm)}
.footer-link{font-size:0.95rem;color:var(--color-text-secondary);transition:color 0.2s ease;display:inline-block}
.footer-link:hover{color:var(--color-accent)}
.footer-contact-section{display:flex;flex-direction:column;gap:var(--space-sm)}
.footer-contact-item{font-size:0.9rem;color:var(--color-text-secondary);line-height:1.5}
.footer-contact-link{color:var(--color-text-secondary);transition:color 0.2s ease;text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(255,255,255,0.15)}
.footer-contact-link:hover{color:var(--color-accent);text-decoration-color:var(--color-accent)}
.footer-service-hours{font-size:0.85rem;color:var(--color-text-secondary);opacity:0.7;font-style:italic}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:var(--space-md);margin-top:var(--space-sm);grid-column:1/-1;display:flex;flex-direction:column;gap:var(--space-xs);align-items:center;text-align:center}
@media (min-width:640px){.footer-bottom{flex-direction:row;justify-content:space-between;text-align:left}}
.footer-copyright{font-size:0.85rem;color:var(--color-text-secondary)}
.footer-icp{font-size:0.8rem;color:var(--color-text-secondary);opacity:0.6}
.footer-trust{font-size:0.8rem;color:var(--color-text-secondary);opacity:0.5;max-width:50ch}

/* ===== GLASS PANEL ===== */
.glass-panel{background:var(--color-surface-glass);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:var(--glass-border);border-radius:var(--radius-md)}

/* ===== BUTTONS ===== */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-family:var(--font-heading);font-weight:700;font-size:1rem;color:#fff;background:var(--color-primary);border-radius:var(--radius-md);transition:all 0.25s ease;box-shadow:var(--neon-glow);position:relative;overflow:hidden}
.btn-primary:hover{background:var(--color-primary-dark);box-shadow:0 0 20px rgba(10,61,145,0.6);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 8px rgba(10,61,145,0.4)}
.btn-accent{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-family:var(--font-heading);font-weight:700;font-size:1rem;color:#fff;background:var(--color-accent);border-radius:var(--radius-md);transition:all 0.25s ease;box-shadow:var(--neon-glow-accent);position:relative;overflow:hidden}
.btn-accent:hover{background:var(--color-accent-dark);box-shadow:0 0 24px rgba(255,107,53,0.7);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:0 0 10px rgba(255,107,53,0.5)}

/* ===== CONTENT CONTAINER ===== */
.content-container{max-width:var(--content-max-width);margin:0 auto;padding:0 var(--space-md)}
@media (min-width:768px){.content-container{padding:0 var(--space-lg)}}

/* ===== SECTION TITLE ===== */
.section-title{font-family:var(--font-heading);font-weight:800;font-size:2rem;letter-spacing:-0.03em;color:var(--color-text);position:relative;display:inline-block;transform:skewX(-3deg);padding-right:var(--space-sm)}
.section-title::after{content:'';position:absolute;bottom:-4px;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--color-accent),transparent);border-radius:2px}
@media (min-width:768px){.section-title{font-size:2.6rem}}

/* ===== SPLIT LAYOUT ===== */
.split-layout{display:grid;grid-template-columns:1fr;gap:var(--space-xl);align-items:center}
@media (min-width:768px){.split-layout{grid-template-columns:1fr 1fr}}

/* ===== TIMELINE ===== */
.timeline{display:flex;flex-direction:column;gap:var(--space-lg);position:relative;padding-left:var(--space-xl)}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--color-primary),var(--color-accent));border-radius:1px}

/* ===== DATA CARD ===== */
.data-card{background:var(--color-surface-glass);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:transform 0.25s ease,box-shadow 0.25s ease}
.data-card:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(10,61,145,0.25)}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress{position:fixed;top:0;left:0;width:0;height:3px;z-index:10010;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:0 2px 2px 0;transition:width 0.1s linear;pointer-events:none}
@media (prefers-reduced-motion:reduce){.scroll-progress{display:none}}

/* ===== BACK TO TOP ===== */
.back-to-top{position:fixed;bottom:var(--space-lg);right:var(--space-lg);z-index:900;width:48px;height:48px;border-radius:50%;background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(255,107,53,0.4);opacity:0;transform:translateY(20px);pointer-events:none;transition:all 0.3s ease;border:2px solid rgba(255,255,255,0.15)}
.back-to-top[data-visible]{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:var(--color-accent-dark);box-shadow:0 6px 28px rgba(255,107,53,0.6);transform:translateY(-2px)}
.back-to-top:active{transform:translateY(0)}
.back-to-top svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
@media (min-width:768px){.back-to-top{bottom:var(--space-xl);right:var(--space-xl)}}
@media (prefers-reduced-motion:reduce){.back-to-top{transition:none}}

/* ===== UTILITY ===== */
.text-accent{color:var(--color-accent)}
.text-primary{color:var(--color-primary)}
.text-secondary{color:var(--color-text-secondary)}
.bg-glass{background:var(--color-surface-glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:var(--glass-border)}

/* ===== RESPONSIVE IMAGE CONTAINER ===== */
.img-container{position:relative;overflow:hidden;border-radius:var(--radius-md);background:var(--color-surface-glass)}
.img-container img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.img-container:hover img{transform:scale(1.03)}
.img-placeholder{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;background:linear-gradient(135deg,var(--color-primary-darker),var(--color-bg));color:var(--color-text-secondary);font-size:0.9rem;border-radius:var(--radius-md)}

/* ===== RESPONSIVE ===== */
@media (max-width:374px){
  .brand-logo{font-size:1.1rem}
  .sidebar-nav{width:260px}
  :root{--sidebar-width:260px}
}
@media (min-width:768px) and (max-width:1023px){
  .sidebar-nav{width:240px}
  :root{--sidebar-width:240px}
  .sidebar-brand-link{font-size:1.35rem}
}
@media (min-width:1024px){
  .sidebar-nav{width:280px}
  :root{--sidebar-width:280px}
  .footer-grid{gap:var(--space-2xl)}
}

/* ===== PRINT ===== */
@media print{
  .site-header,.sidebar-nav,.nav-overlay,.scroll-progress,.back-to-top,.nav-toggle{display:none!important}
  #main-content{padding-left:0!important;padding-top:0!important}
  .site-footer{padding-left:0!important}
  body{background:#fff;color:#000}
}