/* ============================================================
   base.css — shared structure for the House of Aria property
   Color/type TOKENS are defined per-brand in mu.css / nocturne.css.
   Token contract both brands must provide:
     --bg --ink --paper --mute --line --accent --accent-2 --display --body
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--paper);font-family:var(--body);font-weight:300;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:3px}

.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,64px)}
.narrow{max-width:760px}

/* ---- top navigation (shared skeleton) ---- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  padding:20px clamp(20px,5vw,64px);transition:background .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.brand svg,.brand img{flex:none}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--mute);transition:color .25s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--paper)}
.home-tab{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--mute);display:inline-flex;align-items:center;gap:7px;transition:color .25s}
.home-tab:hover{color:var(--accent-2)}
.home-tab::before{content:"";width:14px;height:1px;background:currentColor}
@media(max-width:720px){.nav-links{display:none}}

/* ---- sections ---- */
.eyebrow{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--accent-2);display:inline-flex;align-items:center;gap:14px;margin-bottom:26px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--accent)}
.eyebrow.center{justify-content:center}
section{position:relative;padding:clamp(84px,12vh,150px) 0;border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:60px;flex-wrap:wrap}
.sec-title{font-family:var(--display);font-size:clamp(30px,4.4vw,52px);line-height:1.08;font-weight:400}
.sec-tag{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent-2)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--body);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;padding:15px 28px;transition:all .25s;cursor:pointer;border:1px solid transparent}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}
.btn-solid{background:var(--accent);color:#fff}
.btn-solid:hover{background:var(--accent-2)}
.btn-ghost{border-color:var(--line);color:var(--mute)}
.btn-ghost:hover{border-color:var(--accent-2);color:var(--paper)}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* ---- footer ---- */
.foot{border-top:1px solid var(--line);padding:64px 0 48px}
.foot-grid{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.foot-meta{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);text-align:right;line-height:2.3}
.foot-meta a{transition:color .25s}.foot-meta a:hover{color:var(--accent-2)}

/* ---- scroll reveal ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}