:root{--orange:#f26f21;--orange-dk:#C0520E;--orange-lt:#FF8F4A;
  --ink:#17170F;--paper:#F6F3EE;--white:#ffffff;
  --dk-bg:#0D0D0B;--dk-bg2:#141410;--dk-bg3:#1C1C17;--dk-border:rgba(255,255,255,.07);
  --dk-text:#F0EDE6;--dk-muted:#888883;--dk-text2:#B0ADA6;--dk-bg4:#2A2A22;
  --lt-border:rgba(0,0,0,.09);--lt-muted:#7A7A72;
  --ff-display:'Syne',sans-serif;--ff-mono:'JetBrains Mono',monospace;--ff-body:'DM Sans',sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff-body);font-weight:300;line-height:1.6;overflow-x:hidden}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:1rem 3.5rem;backdrop-filter:blur(12px);border-bottom:1px solid var(--dk-border)}
.nav-logo-wrap{width:160px;display:block;flex-shrink:0;color:var(--orange)}
.nav-logo-wrap svg{display:block}
nav ul{list-style:none;display:flex;gap:2.5rem}
nav a{text-decoration:none;font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;transition:color .2s;padding-bottom:2px;border-bottom:1px solid transparent}
.hamburger{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;line-height:1}
.theme-toggle{background:none;border:none;cursor:pointer;padding:.3rem;line-height:1;display:flex;align-items:center;color:var(--dk-muted);transition:color .2s}
.theme-toggle:hover{color:var(--orange)}
.mob-menu{display:none;position:fixed;top:58px;left:0;right:0;z-index:99;flex-direction:column;border-bottom:1px solid var(--dk-border)}
.mob-menu.open{display:flex}
.mob-menu a{padding:1rem 2rem;text-decoration:none;font-family:var(--ff-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--dk-border)}

/* DARK NAV */
.nav-dk{background:rgba(13,13,11,.95);color:var(--dk-text)}
.nav-dk nav a{color:var(--dk-muted)}
.nav-dk nav a:hover,.nav-dk nav a.active{color:var(--orange);border-bottom-color:var(--orange)}
.nav-dk .hamburger{color:var(--dk-text)}
.nav-dk .mob-menu{background:var(--dk-bg2)}
.nav-dk .mob-menu a{color:var(--dk-muted)}
.nav-dk .mob-menu a:hover{color:var(--orange)}

/* LIGHT NAV */
.nav-lt{background:rgba(246,243,238,.95);color:var(--ink)}
.nav-lt nav a{color:var(--lt-muted)}
.nav-lt nav a:hover,.nav-lt nav a.active{color:var(--orange-dk);border-bottom-color:var(--orange-dk)}
.nav-lt .hamburger{color:var(--ink)}
.nav-lt .mob-menu{background:var(--paper)}
.nav-lt .mob-menu a{color:var(--lt-muted);border-color:rgba(0,0,0,.07)}

/* PAGE */
.page{padding:8rem 3.5rem 6rem;max-width:1100px;margin:0 auto}
.section-tag{font-family:var(--ff-mono);font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin-bottom:1.2rem}
h1{font-family:var(--ff-display);font-size:clamp(2.5rem,6vw,5rem);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin-bottom:2rem}
h1 em{font-style:italic;font-weight:400;color:var(--orange)}
h2{font-family:var(--ff-display);font-size:clamp(1.3rem,3vw,2rem);font-weight:700;letter-spacing:-.02em;margin-bottom:1rem}
p{font-size:1rem;margin-bottom:1.2rem;max-width:640px}

/* FOOTER */
footer{text-align:center;padding:2.5rem;font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.1em;border-top:1px solid var(--dk-border);color:var(--dk-muted)}

/* ANIMS */
@keyframes up{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
.fade{opacity:0;animation:up .7s ease forwards}
.d1{animation-delay:.1s}.d2{animation-delay:.22s}.d3{animation-delay:.34s}
.d4{animation-delay:.46s}.d5{animation-delay:.58s}.d6{animation-delay:.7s}

/* BTN */
.btn{display:inline-block;padding:.8rem 2rem;font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;border:none;transition:all .2s}
.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:var(--orange-lt)}
.btn-outline-dk{background:transparent;color:var(--orange);border:1.5px solid var(--orange)}.btn-outline-dk:hover{background:rgba(242,111,33,.1)}
.btn-outline-lt{background:transparent;color:var(--orange-dk);border:1.5px solid var(--orange-dk)}.btn-outline-lt:hover{background:rgba(192,82,14,.08)}
.btn-ghost-lt{background:rgba(0,0,0,.04);color:var(--ink);border:1px solid rgba(0,0,0,.1)}.btn-ghost-lt:hover{border-color:var(--orange-dk);color:var(--orange-dk)}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

@media(max-width:768px){
  nav{padding:1rem 1.5rem}nav ul{display:none}.hamburger{display:block}
  .page{padding:6rem 1.5rem 4rem}
  h1{font-size:clamp(2rem,10vw,3.5rem)}
}

/* Light theme variables — applied by system preference or manual toggle */
.light-theme{
  --dk-bg:var(--paper);
  --dk-bg2:#ffffff;
  --dk-bg3:#ede9e4;
  --dk-bg4:#e0dbd4;
  --dk-text:var(--ink);
  --dk-text2:#4a4a42;
  --dk-muted:var(--lt-muted);
  --dk-border:var(--lt-border);
}
.light-theme .nav-dk{background:rgba(246,243,238,.95);color:var(--ink)}
.light-theme .nav-dk nav a{color:var(--lt-muted)}
.light-theme .nav-dk nav a:hover,.light-theme .nav-dk nav a.active{color:var(--orange-dk);border-bottom-color:var(--orange-dk)}
.light-theme .nav-dk .hamburger{color:var(--ink)}
.light-theme .nav-dk .mob-menu{background:var(--paper)}
.light-theme .nav-dk .mob-menu a{color:var(--lt-muted);border-color:rgba(0,0,0,.07)}
.light-theme .nav-dk .mob-menu a:hover{color:var(--orange-dk)}
.light-theme .theme-toggle{color:var(--lt-muted)}
.light-theme .theme-toggle:hover{color:var(--orange-dk)}

@media(prefers-color-scheme:light){
  body:not(.dark-theme){
    --dk-bg:var(--paper);
    --dk-bg2:#ffffff;
    --dk-bg3:#ede9e4;
    --dk-bg4:#e0dbd4;
    --dk-text:var(--ink);
    --dk-text2:#4a4a42;
    --dk-muted:var(--lt-muted);
    --dk-border:var(--lt-border);
  }
  body:not(.dark-theme) .nav-dk{background:rgba(246,243,238,.95);color:var(--ink)}
  body:not(.dark-theme) .nav-dk nav a{color:var(--lt-muted)}
  body:not(.dark-theme) .nav-dk nav a:hover,body:not(.dark-theme) .nav-dk nav a.active{color:var(--orange-dk);border-bottom-color:var(--orange-dk)}
  body:not(.dark-theme) .nav-dk .hamburger{color:var(--ink)}
  body:not(.dark-theme) .nav-dk .mob-menu{background:var(--paper)}
  body:not(.dark-theme) .nav-dk .mob-menu a{color:var(--lt-muted);border-color:rgba(0,0,0,.07)}
  body:not(.dark-theme) .nav-dk .mob-menu a:hover{color:var(--orange-dk)}
  body:not(.dark-theme) .theme-toggle{color:var(--lt-muted)}
  body:not(.dark-theme) .theme-toggle:hover{color:var(--orange-dk)}
}