/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,PingFang SC,Helvetica Neue,sans-serif;color:#1A1A1A;background-color:#F5F0E8;line-height:1.6;min-height:100vh}
img{display:block;max-width:100%;height:auto}
a{color:#FF6B35;text-decoration:none;transition:color .25s ease}
a:hover{color:#FF9A5C}
a:focus-visible{outline:3px solid #39FF14;outline-offset:4px;border-radius:4px}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:Montserrat,Helvetica Neue,sans-serif;font-weight:700;line-height:1.2;color:#003366}
h1{font-size:clamp(2rem,5vw,3rem)}h2{font-size:clamp(1.5rem,3.5vw,2.25rem)}h3{font-size:clamp(1.25rem,2.5vw,1.75rem)}h4{font-size:clamp(1rem,2vw,1.25rem)}
p{margin-bottom:1rem;font-size:1rem;line-height:1.6}
code,.data-font{font-family:Fira Code,monospace;font-size:.875rem}
:focus-visible{outline:3px solid #39FF14;outline-offset:4px;border-radius:4px}
::selection{background:#FF6B35;color:#fff}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0s!important;transition-duration:0s!important;scroll-behavior:auto!important}}

/* ===== CSS VARIABLES ===== */
:root{
  --color-orange:#FF6B35;
  --color-orange-light:#FF9A5C;
  --color-blue:#003366;
  --color-blue-dark:#002244;
  --color-green:#39FF14;
  --color-white:#FFFFFF;
  --color-bg-warm:#F5F0E8;
  --color-stone:#8A8A7A;
  --color-moss:#5A7A5A;
  --color-terracotta:#C87A5A;
  --color-text:#1A1A1A;
  --font-heading:Montserrat,Helvetica Neue,sans-serif;
  --font-data:Fira Code,monospace;
  --font-body:-apple-system,PingFang SC,Helvetica Neue,sans-serif;
  --container-max:1280px;
  --header-bg:#003366;
  --footer-bg:#002244;
  --radius:12px;
  --radius-cut:8px;
  --shadow-card:0 8px 32px rgba(0,51,102,.1);
  --shadow-hover:0 16px 48px rgba(0,51,102,.2);
  --transition:all .3s cubic-bezier(.25,.46,.45,.94)
}

/* ===== CONTAINER ===== */
.container{max-width:var(--container-max);margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:768px){.container{padding-left:40px;padding-right:40px}}

/* ===== SKIP LINK ===== */
.skip-link{position:absolute;top:-100px;left:16px;z-index:10000;padding:12px 24px;background:#FF6B35;color:#fff;font-weight:700;border-radius:0 0 8px 8px;transition:top .25s ease}
.skip-link:focus{top:0;outline-offset:0}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress{position:fixed;top:0;left:0;z-index:9999;width:0;height:4px;background:linear-gradient(90deg,#FF6B35,#39FF14);transition:width .1s linear;pointer-events:none}
@media (prefers-reduced-motion:reduce){.scroll-progress{display:none}}

/* ===== HEADER ===== */
.site-header{background:var(--header-bg);color:#fff;position:relative;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:12px}
.brand{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.brand-link{display:flex;align-items:baseline;gap:2px;text-decoration:none;color:#fff}
.brand-link:hover{color:#FF6B35}
.brand-logo{font-family:var(--font-heading);font-weight:800;font-size:clamp(1.5rem,4vw,2.25rem);letter-spacing:-.02em;color:#FF6B35;text-transform:uppercase}
.brand-name{font-family:var(--font-heading);font-weight:700;font-size:clamp(1.25rem,3.5vw,2rem);letter-spacing:.04em;color:#fff}
.brand-divider{width:2px;height:clamp(1.25rem,3vw,2rem);background:rgba(255,255,255,.2);display:none}
@media (min-width:640px){.brand-divider{display:block}}
.brand-tagline{font-size:.75rem;color:rgba(255,255,255,.6);letter-spacing:.06em;text-transform:uppercase;display:none;font-family:var(--font-heading);font-weight:500}
@media (min-width:640px){.brand-tagline{display:inline}}
.header-toolbar{display:flex;align-items:center;gap:8px}
.search-trigger,.user-trigger{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;background:rgba(255,255,255,.1);color:#fff;border-radius:8px;cursor:pointer;transition:var(--transition);text-decoration:none}
.search-trigger:hover,.user-trigger:hover{background:rgba(255,107,53,.6);color:#fff}
.search-trigger:focus-visible,.user-trigger:focus-visible{outline:3px solid #39FF14;outline-offset:2px}
.nav-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;width:44px;height:44px;border:none;background:rgba(255,255,255,.1);border-radius:8px;cursor:pointer;gap:5px;padding:10px;transition:var(--transition)}
.nav-toggle:hover{background:rgba(255,107,53,.5)}
.nav-toggle-line{display:block;width:24px;height:3px;background:#fff;border-radius:2px;transition:var(--transition)}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
@media (min-width:768px){.nav-toggle{display:none}}

/* ===== NAVIGATION ===== */
.nav-wrapper{background:rgba(0,0,0,.15);border-top:1px solid rgba(255,255,255,.06)}
.nav{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.25,.46,.45,.94)}
.nav[data-open]{max-height:600px}
.nav-list{display:flex;flex-direction:column;gap:0;padding:8px 0}
.nav-item{position:relative}
.nav-link{display:block;padding:12px 16px;color:rgba(255,255,255,.85);font-family:var(--font-heading);font-weight:600;font-size:.95rem;letter-spacing:.03em;text-decoration:none;border-radius:6px;transition:var(--transition);border-left:3px solid transparent}
.nav-link:hover{color:#fff;background:rgba(255,107,53,.25);border-left-color:#FF6B35}
.nav-link[aria-current="page"]{color:#39FF14;background:rgba(57,255,20,.08);border-left-color:#39FF14;font-weight:700}
.nav-link:focus-visible{outline:3px solid #39FF14;outline-offset:-2px;border-radius:6px}
@media (min-width:768px){
  .nav{max-height:none!important;overflow:visible}
  .nav-list{flex-direction:row;justify-content:center;gap:4px;padding:0}
  .nav-link{padding:16px 20px;font-size:1rem;border-left:none;border-bottom:3px solid transparent;border-radius:0}
  .nav-link:hover{border-left:none;border-bottom-color:#FF6B35;background:rgba(255,107,53,.12)}
  .nav-link[aria-current="page"]{border-left:none;border-bottom-color:#39FF14;background:rgba(57,255,20,.06)}
}

/* ===== FOOTER ===== */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.85);padding:48px 0 24px;margin-top:auto}
.footer-inner{display:flex;flex-direction:column;gap:32px}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-top{grid-template-columns:1.5fr 1fr 1.5fr}}
@media (min-width:1024px){.footer-top{grid-template-columns:2fr 1fr 2fr}}
.footer-brand-link{display:inline-flex;align-items:baseline;gap:2px;text-decoration:none;color:#fff;margin-bottom:12px}
.footer-brand-link:hover{color:#FF6B35}
.footer-brand-logo{font-family:var(--font-heading);font-weight:800;font-size:1.5rem;color:#FF6B35;text-transform:uppercase}
.footer-brand-name{font-family:var(--font-heading);font-weight:700;font-size:1.25rem;color:#fff}
.footer-brand-desc{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.6;max-width:360px}
.footer-heading{font-family:var(--font-heading);font-weight:700;font-size:.85rem;color:#FF6B35;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-heading::after{content:'';position:absolute;bottom:0;left:0;width:32px;height:2px;background:#FF6B35;border-radius:2px}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-link{color:rgba(255,255,255,.75);font-size:.9rem;text-decoration:none;transition:var(--transition);padding:2px 0}
.footer-link:hover{color:#FF6B35;padding-left:4px}
.footer-link:focus-visible{outline:2px solid #39FF14;outline-offset:2px;border-radius:4px}
.footer-contact li{font-size:.9rem;color:rgba(255,255,255,.65);line-height:1.5}
.footer-support-note{font-size:.8rem;color:rgba(255,255,255,.45);margin-top:12px;padding:12px 16px;background:rgba(255,255,255,.05);border-radius:8px;border-left:3px solid #FF6B35}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent)}
.footer-bottom{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.footer-copyright{font-size:.8rem;color:rgba(255,255,255,.5);letter-spacing:.02em}
.footer-copyright [data-year]::before{content:attr(data-year)}
.footer-trust{font-size:.75rem;color:rgba(255,255,255,.35);max-width:600px;line-height:1.5}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;text-align:left}}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-family:var(--font-heading);font-weight:700;font-size:.95rem;border:none;border-radius:8px;cursor:pointer;text-decoration:none;transition:var(--transition);line-height:1.2}
.btn:focus-visible{outline:3px solid #39FF14;outline-offset:3px}
.btn-primary{background:#FF6B35;color:#fff}
.btn-primary:hover{background:#E55A2B;transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,53,.35)}
.btn-outline{background:transparent;color:#FF6B35;border:2px solid #FF6B35}
.btn-outline:hover{background:#FF6B35;color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:.85rem}

/* ===== BREADCRUMB ===== */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:.85rem;color:rgba(0,51,102,.65)}
.breadcrumb a{color:#003366;text-decoration:none}
.breadcrumb a:hover{color:#FF6B35}
.breadcrumb .sep{color:var(--color-stone);margin:0 4px;user-select:none}
.breadcrumb [aria-current="page"]{color:#FF6B35;font-weight:600}

/* ===== CARD ===== */
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-card);padding:24px;transition:var(--transition);position:relative;overflow:hidden}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);border-radius:0}
.card--cut:hover{clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}
.card--orange{border-top:4px solid #FF6B35}
.card--green{border-top:4px solid #39FF14}
.card--blue{background:var(--color-blue);color:#fff}
.card--blue .card-title{color:#fff}

/* ===== TAG ===== */
.tag{display:inline-block;padding:4px 12px;font-family:var(--font-data);font-size:.75rem;font-weight:600;border-radius:4px;letter-spacing:.02em}
.tag--orange{background:rgba(255,107,53,.15);color:#FF6B35}
.tag--green{background:rgba(57,255,20,.12);color:#39FF14}
.tag--blue{background:rgba(0,51,102,.1);color:#003366}

/* ===== SECTION ===== */
.section{padding:64px 0}
.section--dark{background:var(--color-blue);color:#fff}
.section--dark h2,.section--dark h3{color:#fff}
.section--warm{background:var(--color-bg-warm)}

/* ===== IMAGE CONTAINER ===== */
.img-wrap{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--color-stone)}
.img-wrap img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.img-wrap:hover img{transform:scale(1.03)}
.img-wrap--ratio-16\\:9{aspect-ratio:16/9}
.img-wrap--ratio-4\\:3{aspect-ratio:4/3}
.img-wrap--ratio-1\\:1{aspect-ratio:1/1}
.img-wrap--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);border-radius:0}

/* ===== BACK TO TOP ===== */
.back-to-top{position:fixed;bottom:32px;right:32px;z-index:999;width:48px;height:48px;border:none;background:#FF6B35;color:#fff;border-radius:50%;cursor:pointer;box-shadow:0 4px 20px rgba(255,107,53,.4);display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(20px);pointer-events:none;transition:var(--transition)}
.back-to-top[data-visible]{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:#E55A2B;transform:translateY(-4px);box-shadow:0 8px 32px rgba(255,107,53,.5)}
.back-to-top:focus-visible{outline:3px solid #39FF14;outline-offset:4px}
@media (prefers-reduced-motion:reduce){.back-to-top{transition:opacity .15s}}

/* ===== UTILITY ===== */
.text-orange{color:#FF6B35}
.text-green{color:#39FF14}
.text-blue{color:#003366}
.text-center{text-align:center}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.pt-16{padding-top:16px}.pb-16{padding-bottom:16px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ===== DECORATIVE LINES ===== */
.deco-line{display:block;width:60px;height:3px;background:linear-gradient(90deg,#FF6B35,#39FF14);border-radius:2px;margin:16px 0}
.deco-line--center{margin-left:auto;margin-right:auto}
.deco-slash{display:inline-block;width:20px;height:2px;background:#FF6B35;transform:rotate(-45deg);margin:0 8px;opacity:.5}

/* ===== RESPONSIVE GRID ===== */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:1fr}@media (min-width:640px){.grid-2{grid-template-columns:1fr 1fr}}
.grid-3{grid-template-columns:1fr}@media (min-width:640px){.grid-3{grid-template-columns:1fr 1fr}}@media (min-width:1024px){.grid-3{grid-template-columns:1fr 1fr 1fr}}
.grid-4{grid-template-columns:1fr}@media (min-width:640px){.grid-4{grid-template-columns:1fr 1fr}}@media (min-width:1024px){.grid-4{grid-template-columns:1fr 1fr 1fr 1fr}}

/* ===== MAIN CONTENT WRAPPER ===== */
#main-content{min-height:60vh;outline:none}