/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;line-height:1.5;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-weight:400;color:#0B1D2A;background-color:#F1FAEE;min-height:100vh;display:flex;flex-direction:column}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;border:none;background:none;cursor:pointer}
:focus-visible{outline:2px solid #F4A261;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-red:#E63946;--color-blue:#1D3557;--color-gold:#F4A261;--color-cream:#F1FAEE;--color-dark:#0B1D2A;--color-light:#F1FAEE;--color-grid:#A8DADC;--color-hover:#E76F51;--font-heading:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--font-mono:'JetBrains Mono','SF Mono','Fira Code','Cascadia Code',monospace;--weight-heading:900;--weight-body:400;--weight-data:700;--size-xs:12px;--size-sm:14px;--size-base:16px;--size-md:20px;--size-lg:24px;--size-xl:32px;--size-2xl:48px;--size-3xl:64px;--max-width:1200px;--header-h:64px;--radius:0px;--border-w:1px;--transition:0.2s ease}

/* ===== SKIP LINK ===== */
.skip-link{position:absolute;top:-100%;left:0;z-index:1000;padding:8px 16px;background:#0B1D2A;color:#F1FAEE;font-size:var(--size-sm);font-weight:600;border:1px solid #F4A261;transition:top 0.2s ease}
.skip-link:focus{top:0;outline:none}

/* ===== CONTAINER ===== */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* ===== GRID BG ===== */
.grid-bg{background-image:linear-gradient(rgba(168,218,220,0.15) 1px,transparent 1px),linear-gradient(90deg,rgba(168,218,220,0.15) 1px,transparent 1px);background-size:40px 40px}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;font-family:var(--font-body);font-size:var(--size-sm);font-weight:600;line-height:1;border:var(--border-w) solid transparent;border-radius:var(--radius);transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition);text-decoration:none;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:#E63946;color:#F1FAEE;border-color:#E63946}
.btn-primary:hover{background:#E76F51;border-color:#E76F51;color:#F1FAEE}
.btn-primary:focus-visible{outline:2px solid #F4A261;outline-offset:2px}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,#E63946,#F4A261);z-index:9999;pointer-events:none;transition:width 0.1s linear}
@media(prefers-reduced-motion:reduce){.scroll-progress{display:none}}

/* ===== BACK TO TOP ===== */
.back-to-top{position:fixed;bottom:24px;right:24px;z-index:999;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:#1D3557;color:#F1FAEE;border:1px solid #F4A261;border-radius:0;font-size:var(--size-lg);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity 0.3s ease,visibility 0.3s ease,transform 0.3s ease,background var(--transition)}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:#E63946;border-color:#E63946}
.back-to-top:focus-visible{outline:2px solid #F4A261;outline-offset:2px}
.back-to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}

/* ===== SITE HEADER ===== */
.site-header{position:relative;z-index:100;background:#1D3557;border-bottom:1px solid rgba(168,218,220,0.25);font-family:var(--font-heading)}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-width);margin:0 auto;padding:0 20px;height:var(--header-h)}
.header-brand{flex-shrink:0}
.brand-link{display:flex;align-items:baseline;gap:4px;text-decoration:none;transition:opacity var(--transition)}
.brand-link:hover{opacity:0.9}
.brand-icon{font-size:var(--size-xl);font-weight:900;color:#E63946;letter-spacing:-1px;line-height:1;text-shadow:0 0 0 rgba(244,162,97,0.3)}
.brand-text{font-size:var(--size-base);font-weight:400;color:#F1FAEE;letter-spacing:0.5px;line-height:1}
.header-nav{flex:1;display:flex;justify-content:flex-end;margin:0 16px}
.nav-list{display:flex;align-items:center;gap:0}
.nav-list li{position:relative}
.nav-list a{display:block;padding:8px 14px;font-size:var(--size-sm);font-weight:500;color:#F1FAEE;text-decoration:none;border:1px solid transparent;border-radius:var(--radius);transition:color var(--transition),border-color var(--transition),background var(--transition);position:relative}
.nav-list a:hover{color:#F4A261;border-color:rgba(244,162,97,0.3);background:rgba(244,162,97,0.08)}
.nav-list a[aria-current="page"]{color:#F4A261;border-bottom:2px solid #F4A261;background:rgba(244,162,97,0.06)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;padding:6px;background:transparent;border:1px solid rgba(241,250,238,0.3);border-radius:var(--radius);cursor:pointer;transition:border-color var(--transition)}
.nav-toggle:hover{border-color:#F4A261}
.nav-toggle .toggle-bar{display:block;width:22px;height:2px;background:#F1FAEE;border-radius:0;transition:transform 0.3s ease,opacity 0.3s ease;margin:3px 0}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ===== SITE FOOTER ===== */
.site-footer{background:#0B1D2A;color:#F1FAEE;border-top:2px solid rgba(228,57,70,0.3);font-family:var(--font-body);margin-top:auto}
.footer-inner{max-width:var(--max-width);margin:0 auto;padding:48px 20px 24px}
.footer-brand{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-bottom:24px;border-bottom:1px solid rgba(168,218,220,0.15);margin-bottom:32px}
.footer-logo{display:flex;align-items:baseline;gap:4px}
.footer-logo .brand-icon{font-size:var(--size-lg);font-weight:900;color:#E63946}
.footer-logo .brand-text{font-size:var(--size-base);font-weight:400;color:#F1FAEE;letter-spacing:0.5px}
.footer-tagline{font-size:var(--size-sm);color:rgba(241,250,238,0.7);font-weight:400;letter-spacing:0.3px}
.footer-nav{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(168,218,220,0.1);margin-bottom:24px}
.footer-nav-title{font-family:var(--font-heading);font-size:var(--size-sm);font-weight:600;color:#F4A261;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;border-bottom:1px solid rgba(244,162,97,0.2);padding-bottom:6px}
.footer-nav-col ul,.footer-contact ul{display:flex;flex-direction:column;gap:6px}
.footer-nav-col a,.footer-contact a{color:rgba(241,250,238,0.8);font-size:var(--size-sm);text-decoration:none;transition:color var(--transition),padding-left var(--transition);padding:2px 0}
.footer-nav-col a:hover,.footer-contact a:hover{color:#F4A261;padding-left:4px}
.contact-list li{color:rgba(241,250,238,0.8);font-size:var(--size-sm);padding:2px 0}
.contact-note{color:rgba(241,250,238,0.5);font-size:var(--size-xs);margin-top:8px;font-style:italic;border-left:2px solid rgba(244,162,97,0.3);padding-left:10px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:16px;font-size:var(--size-xs);color:rgba(241,250,238,0.5)}
.footer-icp{letter-spacing:0.5px}
.footer-copyright{letter-spacing:0.3px}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .footer-nav{grid-template-columns:1fr 1fr;gap:24px}
  .footer-contact{grid-column:1/-1}
}

@media(max-width:768px){
  :root{--header-h:56px}
  .header-inner{padding:0 16px}
  .header-nav{position:fixed;top:var(--header-h);left:0;right:0;background:#1D3557;border-bottom:1px solid rgba(168,218,220,0.2);padding:0 16px 16px;margin:0;flex-direction:column;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity 0.25s ease,visibility 0.25s ease,transform 0.25s ease;box-shadow:0 8px 24px rgba(0,0,0,0.3);max-height:calc(100vh - var(--header-h));overflow-y:auto;justify-content:flex-start}
  .header-nav[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;width:100%;gap:0}
  .nav-list a{padding:12px 16px;font-size:var(--size-base);border-bottom:1px solid rgba(241,250,238,0.08);width:100%}
  .nav-list a[aria-current="page"]{border-bottom:2px solid #F4A261;background:rgba(244,162,97,0.08)}
  .nav-toggle{display:flex}
  .header-actions .btn-primary{display:none}
  .footer-inner{padding:32px 16px 20px}
  .footer-nav{grid-template-columns:1fr;gap:20px}
  .footer-brand{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .back-to-top{bottom:16px;right:16px;width:40px;height:40px}
}

@media(max-width:480px){
  .header-inner{padding:0 12px}
  .brand-icon{font-size:var(--size-lg)}
  .brand-text{font-size:var(--size-sm)}
  .footer-nav{padding-bottom:20px;margin-bottom:16px}
  .footer-bottom{font-size:11px}
  .contact-note{font-size:11px}
}

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