/* ============ RESET & VARIABLES ============ */
:root{
  --c-green:#0B3D2E;
  --c-gold:#D4AF37;
  --c-orange:#FF6B35;
  --c-cream:#F5F1E8;
  --c-dark:#1A1A1A;
  --c-red:#C0392B;
  --c-green-light:#1B5E4F;
  --c-gray:#E8E4DA;
  --c-white:#FFFFFF;
  --font-head:Impact,'Arial Black','Noto Sans SC',sans-serif;
  --font-body:Inter,'PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'Courier New','SF Mono',Consolas,monospace;
  --space-outer:24px;
  --transition-fast:180ms ease;
  --transition-med:300ms ease;
  --shadow-soft:0 8px 30px rgba(0,0,0,.1);
  --track-width:220px;
  --color-bg:var(--c-cream);
  --color-text:var(--c-dark);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--c-cream);
  color:var(--c-dark);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{
  outline:3px solid var(--c-orange);
  outline-offset:3px;
  border-radius:2px;
}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ============ SKIP LINK ============ */
.skip-link{
  position:fixed;
  top:0;
  left:24px;
  z-index:2000;
  background:var(--c-orange);
  color:#fff;
  padding:10px 18px;
  font-weight:700;
  font-size:14px;
  transform:translateY(-120%);
  transition:transform var(--transition-med);
  border-radius:0 0 6px 6px;
}
.skip-link:focus{transform:translateY(0);color:#fff}

/* ============ TRACK SHELL / HEADER ============ */
.track-shell{
  background:var(--c-green);
  color:var(--c-cream);
  position:relative;
  z-index:10;
}
.track-inner{
  max-width:1400px;
  margin:0 auto;
  padding:24px var(--space-outer);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.track-brand{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.track-brand__name{
  font-family:var(--font-head);
  font-size:1.65rem;
  letter-spacing:.06em;
  color:var(--c-gold);
  text-transform:uppercase;
}
.track-brand__sub{
  font-family:var(--font-mono);
  font-size:.72rem;
  color:var(--c-cream);
  opacity:.75;
  letter-spacing:.12em;
  margin-top:4px;
  text-transform:uppercase;
}
.track-nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
}
.track-nav{
  display:flex;
  gap:6px;
  align-items:center;
}
.track-nav__item{
  margin:0;
}
.track-nav__link{
  display:block;
  padding:8px 12px;
  font-size:.92rem;
  font-weight:600;
  color:var(--c-cream);
  border:1px solid transparent;
  border-radius:0;
  transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast);
  letter-spacing:.03em;
}
.track-nav__link:hover{
  color:var(--c-gold);
  border-color:var(--c-gold);
}
.track-nav__link[aria-current="page"]{
  color:var(--c-gold);
  border-color:var(--c-gold);
  background:rgba(212,175,55,.1);
  box-shadow:inset 0 -2px 0 var(--c-gold);
}
.track-cta{
  display:inline-block;
  background:var(--c-orange);
  color:#fff;
  font-weight:700;
  font-size:.88rem;
  padding:10px 20px;
  transition:background var(--transition-fast),transform var(--transition-fast);
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  white-space:nowrap;
}
.track-cta:hover{
  background:#e55623;
  transform:translateY(-2px);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:6px;
  border:1px solid rgba(245,241,232,.4);
  border-radius:4px;
}
.nav-toggle__line{
  width:20px;
  height:2px;
  background:var(--c-cream);
  transition:transform var(--transition-med),opacity var(--transition-med);
  display:block;
}
.track-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid rgba(245,241,232,.2);
}
.track-meta__label{
  font-family:var(--font-mono);
  font-size:.65rem;
  letter-spacing:.2em;
  color:var(--c-gold);
  text-transform:uppercase;
}
.track-meta__dots{
  display:flex;
  gap:4px;
}
.track-meta__dots::before{
  content:"";
  width:4px;height:4px;background:var(--c-gold);
}
.track-meta__dots::after{
  content:"";
  width:4px;height:4px;background:var(--c-gold);
}
.track-meta__dots span{
  width:4px;height:4px;background:var(--c-gold);
  border-radius:50%;
}

/* ============ PROGRESS RAIL ============ */
.progress-rail{
  position:fixed;
  left:0;
  top:0;
  height:4px;
  background:transparent;
  z-index:1500;
  width:100%;
  pointer-events:none;
}
.progress-rail__bar{
  display:block;
  height:100%;
  background:linear-gradient(90deg,var(--c-gold),var(--c-orange));
  width:0%;
  transition:width 80ms linear;
}

/* ============ MAIN CONTENT GENERIC ============ */
.main-content{
  flex:1;
  width:100%;
}
.content-frame{
  max-width:1400px;
  margin:0 auto;
  padding:40px var(--space-outer) 64px;
  position:relative;
}
.content-frame::before{
  content:"";
  position:absolute;
  top:0;
  left:var(--space-outer);
  width:80px;
  height:4px;
  background:var(--c-gold);
}

/* ============ BUTTONS & GENERIC ============ */
.btn{
  display:inline-block;
  padding:12px 26px;
  font-weight:700;
  font-size:.92rem;
  border:2px solid var(--c-dark);
  background:transparent;
  color:var(--c-dark);
  transition:background var(--transition-fast),color var(--transition-fast),transform var(--transition-fast);
  clip-path:polygon(0 0,4px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  text-align:center;
}
.btn:hover{background:var(--c-dark);color:var(--c-cream)}
.btn--primary{background:var(--c-orange);border-color:var(--c-orange);color:#fff}
.btn--primary:hover{background:#e55623;border-color:#e55623;transform:translateY(-2px)}
.btn--gold{background:var(--c-gold);border-color:var(--c-gold);color:var(--c-dark)}
.btn--gold:hover{background:#c19e2f;border-color:#c19e2f;color:var(--c-dark)}

/* ============ BREADCRUMB ============ */
.breadcrumb{
  font-size:.82rem;
  font-family:var(--font-mono);
  margin-bottom:24px;
  color:rgba(26,26,26,.7);
  text-transform:uppercase;
  letter-spacing:.08em;
}
.breadcrumb a{
  color:var(--c-green);
  text-decoration:underline;
  text-underline-offset:3px;
}
.breadcrumb a:hover{color:var(--c-orange)}
.breadcrumb span[aria-current="page"]{color:var(--c-green);font-weight:700}

/* ============ SECTION & HEADINGS ============ */
.section{
  margin-bottom:48px;
}
.section__title{
  font-family:var(--font-head);
  font-size:2.4rem;
  line-height:1.1;
  letter-spacing:.02em;
  color:var(--c-dark);
  position:relative;
  padding-left:20px;
  margin-bottom:16px;
  text-transform:uppercase;
}
.section__title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  background:var(--c-gold);
}
.section__lead{
  font-size:1.05rem;
  max-width:720px;
  color:rgba(26,26,26,.85);
  margin-bottom:24px;
}

/* ============ IMAGE CONTAINER (responsive placeholders) ============ */
.img-frame{
  position:relative;
  background:var(--c-gray);
  overflow:hidden;
  aspect-ratio:16/9;
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(26,26,26,.5);
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.1em;
  border-left:4px solid var(--c-gold);
}
.img-frame--tall{aspect-ratio:3/4}
.img-frame--wide{aspect-ratio:21/9}
.img-frame--square{aspect-ratio:1/1}
.img-frame::before{
  content:"IMG";
  position:absolute;
  top:12px;
  left:12px;
  background:var(--c-green);
  color:var(--c-gold);
  padding:4px 8px;
  font-family:var(--font-mono);
  font-size:.65rem;
  letter-spacing:.15em;
}
.img-frame--tall::before{content:"IMG · TALL"}
.img-frame--wide::before{content:"IMG · WIDE"}
.img-frame--square::before{content:"IMG · SQ"}
.img-frame > *{
  position:relative;
  z-index:2;
}

/* ============ GRID ============ */
.grid{
  display:grid;
  gap:24px;
}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--c-green);
  color:var(--c-cream);
  margin-top:auto;
}
.footer-top{
  max-width:1400px;
  margin:0 auto;
  padding:48px var(--space-outer) 32px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand__name{
  font-family:var(--font-head);
  font-size:1.5rem;
  letter-spacing:.06em;
  color:var(--c-gold);
  text-transform:uppercase;
}
.footer-brand__sub{
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--c-cream);
  opacity:.7;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-link{
  color:var(--c-cream);
  font-size:.95rem;
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:color var(--transition-fast),border-color var(--transition-fast);
  display:inline-block;
  width:fit-content;
}
.footer-link:hover{
  color:var(--c-gold);
  border-bottom-color:var(--c-gold);
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-contact__item{
  font-size:.85rem;
  line-height:1.5;
  color:rgba(245,241,232,.85);
  font-family:var(--font-mono);
}
.footer-bottom{
  border-top:1px solid rgba(245,241,232,.2);
  padding:20px var(--space-outer);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  max-width:1400px;
  margin:0 auto;
}
.footer-copy{
  font-size:.75rem;
  color:rgba(245,241,232,.6);
  max-width:560px;
}
.footer-icp{
  font-size:.75rem;
  color:var(--c-gold);
  font-family:var(--font-mono);
}

/* ============ RESPONSIVE ============ */
@media (min-width:900px){
  .track-shell{
    width:var(--track-width);
    min-height:100vh;
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    display:flex;
    flex-direction:column;
  }
  .track-inner{
    width:100%;
    height:100%;
    flex-direction:column;
    align-items:flex-start;
    justify-content:space-between;
    padding:40px 28px;
  }
  .track-nav-wrap{
    flex-direction:column;
    align-items:stretch;
    gap:16px;
    width:100%;
  }
  .track-cta{
    order:-1;
    text-align:center;
    margin-bottom:20px;
  }
  .track-nav{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }
  .track-nav__link{
    border-left:3px solid transparent;
    border-bottom:none;
    padding:10px 8px;
  }
  .track-nav__link:hover,
  .track-nav__link[aria-current="page"]{
    border-left-color:var(--c-gold);
    background:rgba(212,175,55,.05);
    box-shadow:none;
  }
  .nav-toggle{
    display:none;
  }
  .main-content,
  .site-footer{
    margin-left:var(--track-width);
    width:calc(100% - var(--track-width));
  }
  .footer-top,
  .footer-bottom{
    grid-template-columns:1fr 1fr 1.4fr;
  }
}

@media (max-width:899px){
  .track-inner{
    flex-wrap:wrap;
    padding:16px var(--space-outer);
  }
  .track-brand{
    flex:1;
  }
  .track-nav-wrap{
    order:3;
    width:100%;
    flex-direction:column;
    align-items:stretch;
  }
  .track-cta{
    display:none;
  }
  .nav-toggle{
    display:flex;
  }
  .track-nav{
    display:none;
    flex-direction:column;
    padding-top:16px;
    border-top:1px solid rgba(245,241,232,.2);
    margin-top:12px;
    background:var(--c-green-light);
    padding:16px;
  }
  .track-nav[data-open="true"]{
    display:flex;
  }
  .track-nav__link{
    padding:14px 12px;
    border-left:3px solid transparent;
  }
  .track-nav__link:hover,
  .track-nav__link[aria-current="page"]{
    border-left-color:var(--c-gold);
    background:rgba(212,175,55,.1);
  }
  .track-meta{
    display:none;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:28px;
    padding:32px var(--space-outer) 24px;
  }
  .grid--2,
  .grid--3,
  .grid--4{
    grid-template-columns:1fr;
  }
}

@media (max-width:520px){
  :root{
    --space-outer:16px;
  }
  .section__title{
    font-size:1.8rem;
  }
  .footer-bottom{
    flex-direction:column;
  }
  .content-frame{
    padding:28px var(--space-outer) 48px;
  }
}

/* ============ REDUCED MOTION ============ */
@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;
  }
}