/* ============================================================
   NORDIA — Houston Real Estate
   Design system: Black · Ivory · Satin Gold
   ------------------------------------------------------------
   Contents
   01 Tokens & base
   02 Utilities (eyebrow, reveal)
   03 Header
   04 Hero (home)
   05 Statement (home)
   06 Portfolio index (home)
   07 About / Approach (home)
   08 Property page (viewer)
   09 Contact
   10 Footer
   11 Responsive
   12 Reduced motion
   ============================================================ */

/* ---------- 01 Tokens & base ---------- */
:root{
  --black:#0b0b0a;
  --ink:#151412;
  --ivory:#f4f0e6;
  --ivory-deep:#eae4d5;
  --gold:#c2a25c;
  --gold-deep:#9d8348;
  --gold-soft:rgba(194,162,92,.45);
  --line-dark:rgba(244,240,230,.14);
  --line-light:rgba(11,11,10,.14);
  --muted-dark:#a29c8e;
  --muted-light:#6e675a;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --pad:clamp(24px,6vw,96px);
  --header-h:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:var(--header-h)}
body{
  margin:0;
  background:var(--black);
  color:var(--ivory);
  font-family:var(--sans);
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;line-height:1.05}
p{line-height:1.8;margin:0}
a{color:inherit}
button{font-family:var(--sans)}

::selection{background:var(--gold);color:var(--black)}

/* ---------- 02 Utilities ---------- */
.eyebrow{
  font-size:11px;font-weight:400;
  letter-spacing:.42em;text-transform:uppercase;
  color:var(--gold);margin:0 0 28px;
}
.on-light .eyebrow,.eyebrow.on-light{color:var(--gold-deep)}

.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s ease,transform 1s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 03 Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:24px var(--pad);
  border-bottom:1px solid transparent;
  transition:background .5s ease,padding .5s ease,border-color .5s ease;
}
.site-header.solid,
.property-page .site-header{
  background:rgba(11,11,10,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--line-dark);
  padding-top:14px;padding-bottom:14px;
}
.brand{text-decoration:none;line-height:0}
.brand img{height:46px;width:auto;transition:height .5s ease}
.site-header.solid .brand img,
.property-page .brand img{height:36px}
.site-header nav{display:flex;gap:44px}
.site-header nav a{
  position:relative;
  text-decoration:none;text-transform:uppercase;
  font-size:11px;font-weight:400;letter-spacing:.3em;
  color:var(--ivory);padding:6px 0;
}
.site-header nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--gold);transition:width .4s ease;
}
.site-header nav a:hover::after,.site-header nav a:focus-visible::after{width:100%}

/* ---------- 04 Hero (home) ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-media,.hero-media img{position:absolute;inset:0;width:100%;height:100%}
.hero-media img{object-fit:cover;animation:heroZoom 9s ease-out both}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 62% 46% at 50% 46%,rgba(11,11,10,.62) 0%,rgba(11,11,10,0) 70%),
    linear-gradient(180deg,rgba(11,11,10,.58) 0%,rgba(11,11,10,.44) 45%,rgba(11,11,10,.88) 100%);
}
@keyframes heroZoom{from{transform:scale(1.06)}to{transform:scale(1)}}

.hero-copy{
  position:relative;z-index:1;
  padding:calc(var(--header-h) + 20px) var(--pad) clamp(56px,9vh,100px);
  max-width:1000px;width:100%;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
@keyframes riseIn{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
.hero-copy>*{opacity:0;animation:riseIn 1.3s cubic-bezier(.22,.61,.36,1) forwards}
.hero-lockup{
  animation-delay:.45s;
  width:min(520px,80%);max-width:100%;height:auto;
  mix-blend-mode:screen;
}
.hero-copy p{animation-delay:.95s}
.hero-copy .hero-link{animation-delay:1.2s}
.hero-copy p{max-width:500px;margin-top:40px;font-size:15px;letter-spacing:.02em;color:#d8d2c4}
.hero-link{
  display:inline-block;margin-top:44px;
  font-size:11px;letter-spacing:.34em;text-transform:uppercase;text-decoration:none;
  color:var(--ivory);padding-bottom:10px;border-bottom:1px solid var(--gold-soft);
  transition:border-color .4s ease,color .4s ease;
}
.hero-link:hover{border-color:var(--gold);color:#fff}
.hero-scroll{
  position:absolute;right:var(--pad);bottom:0;z-index:1;
  width:1px;height:110px;background:linear-gradient(to bottom,transparent,var(--gold));
  opacity:0;animation:riseIn 1.4s ease 1.7s forwards;
}

/* ---------- 05 Statement (home) ---------- */
.statement{background:var(--ivory);color:var(--ink);padding:clamp(110px,16vw,200px) var(--pad)}
.statement-inner{max-width:1000px}
.statement h2{font-size:clamp(34px,4.6vw,62px);line-height:1.18}
.statement h2 em{font-style:italic;color:var(--gold-deep)}
.statement p{max-width:560px;margin-top:36px;color:var(--muted-light);font-size:15px}

/* ---------- 06 Portfolio index (home) ---------- */
.portfolio{background:var(--ivory);color:var(--ink);padding:0 var(--pad) clamp(80px,10vw,140px)}
.portfolio-head{max-width:1000px;margin:0 auto clamp(70px,9vw,120px);text-align:center}
.portfolio-head h2{font-size:clamp(38px,5vw,68px)}

.index-item{
  display:block;text-decoration:none;color:inherit;
  max-width:1400px;margin:0 auto;
  padding:clamp(60px,8vw,110px) 0;
  border-top:1px solid var(--line-light);
}
.index-item:first-of-type{border-top:0;padding-top:0}
.index-media{overflow:hidden;background:var(--ivory-deep);aspect-ratio:16/9}
.index-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s cubic-bezier(.22,.61,.36,1)}
.index-item:hover .index-media img{transform:scale(1.035)}
.index-media img.fit{object-fit:contain}
.index-bar{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:16px 32px;flex-wrap:wrap;padding-top:26px;
}
.index-title{display:flex;align-items:baseline;gap:26px;min-width:0}
.index-num{font-size:12px;letter-spacing:.24em;color:var(--gold-deep);font-variant-numeric:tabular-nums}
.index-title h3{font-size:clamp(26px,3.2vw,42px)}
.index-meta{display:flex;align-items:baseline;gap:26px;flex-wrap:wrap}
.index-loc{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-light)}
.index-cta{
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink);
  padding-bottom:4px;border-bottom:1px solid var(--line-light);
  transition:border-color .4s ease;white-space:nowrap;
}
.index-item:hover .index-cta{border-color:var(--gold)}

/* ---------- 07 About / Approach (home) ---------- */
.about{background:var(--black);padding:clamp(110px,15vw,190px) var(--pad)}
.about-inner{max-width:880px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.about h2{font-size:clamp(32px,4.4vw,60px);font-weight:300;line-height:1.16;color:#f6f2e8}
.about h2 em{font-style:italic;color:var(--gold)}
.about p{margin-top:36px;color:var(--muted-dark);font-size:15px;max-width:560px}
.about-signature{width:min(200px,56%);height:auto;margin-top:56px;opacity:.92}

/* Ledger — reusable index of units (property pages) */
.property-ledger{max-width:1400px;margin:0 auto;padding:clamp(70px,9vw,110px) var(--pad) 0}
.ledger{list-style:none;margin:0;padding:0}
.ledger li{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line-dark);
}
.ledger li:first-child{border-top:1px solid var(--line-dark)}
.ledger span{font-family:var(--serif);font-size:clamp(28px,3vw,40px);color:var(--ivory);font-variant-numeric:tabular-nums}
.ledger small{font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}

.approach{background:var(--ivory);color:var(--ink);padding:clamp(100px,14vw,180px) var(--pad)}
.approach-head{max-width:900px;margin-bottom:clamp(56px,7vw,90px)}
.approach-head h2{font-size:clamp(34px,4.4vw,58px)}
.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(36px,5vw,72px);max-width:1400px}
.approach-grid>div{border-top:1px solid var(--gold-soft);padding-top:30px}
.approach-grid strong{display:block;font-family:var(--serif);font-weight:500;font-size:22px;margin-bottom:16px}
.approach-grid p{color:var(--muted-light);font-size:14px}

.partner{
  max-width:1400px;
  margin:clamp(70px,9vw,110px) 0 0;
  background:var(--black);
  padding:clamp(56px,7vw,84px) var(--pad);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  text-align:center;
}
.partner .eyebrow{margin-bottom:24px}
.partner img{width:min(220px,58%);height:auto}

/* ---------- 08 Property page ---------- */
.property-page main{padding-top:var(--header-h)}
.property-intro{padding:clamp(56px,8vw,100px) var(--pad) clamp(36px,4vw,54px);max-width:1400px;margin:0 auto;width:100%}
.property-intro .eyebrow{margin-bottom:20px}
.property-intro h1{font-size:clamp(40px,6vw,84px);font-weight:300;color:#f8f4ea}
.property-intro .property-tag{
  display:inline-block;margin-top:26px;
  font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);
  padding-bottom:4px;border-bottom:1px solid var(--gold-soft);
}

.viewer{max-width:1400px;margin:0 auto;padding:0 var(--pad)}
.viewer-stage{
  position:relative;overflow:hidden;background:#080807;
  height:min(74vh,860px);height:min(74svh,860px);
}
.viewer-stage img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.015);
  transition:opacity .9s ease,transform 1.2s ease;
}
.viewer-stage img.active{opacity:1;transform:scale(1)}
.viewer-stage img.fit{object-fit:contain}
body.briar-page .viewer-stage img{object-fit:contain}
.viewer-arrow{
  position:absolute;top:0;bottom:0;z-index:2;
  width:clamp(64px,9vw,120px);
  display:flex;align-items:center;justify-content:center;
  background:none;border:0;cursor:pointer;
  opacity:.85;transition:opacity .3s ease;
}
.viewer-arrow:hover{opacity:1}
.viewer-arrow.prev{left:0}
.viewer-arrow.next{right:0}
.viewer-arrow span{
  display:block;width:14px;height:14px;
  border-top:1px solid var(--ivory);border-left:1px solid var(--ivory);
  filter:drop-shadow(0 0 6px rgba(0,0,0,.6));
  transition:border-color .3s ease,transform .3s ease;
}
.viewer-arrow.prev span{transform:rotate(-45deg)}
.viewer-arrow.next span{transform:rotate(135deg)}
.viewer-arrow:hover span{border-color:var(--gold)}
.viewer-arrow:active span{transform:scale(.85) rotate(-45deg)}
.viewer-arrow.next:active span{transform:scale(.85) rotate(135deg)}

.viewer-bar{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:16px 32px;flex-wrap:wrap;padding:22px 0 0;
}
.viewer-caption{display:flex;align-items:baseline;gap:22px;min-width:0}
.counter{font-size:12px;letter-spacing:.24em;color:var(--gold);white-space:nowrap;font-variant-numeric:tabular-nums}
.caption-text{font-family:var(--serif);font-style:italic;font-size:18px;color:var(--muted-dark)}
.viewer-hint{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:#57534a}

.property-nav{
  max-width:1400px;margin:0 auto;
  padding:clamp(70px,9vw,120px) var(--pad);
  display:flex;justify-content:space-between;align-items:center;gap:24px;
}
.property-nav a{
  text-decoration:none;display:flex;flex-direction:column;gap:10px;min-width:0;
}
.property-nav a small{font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}
.property-nav a strong{
  font-family:var(--serif);font-weight:400;font-size:clamp(20px,2.6vw,32px);color:var(--ivory);
  transition:color .3s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.property-nav a:hover strong{color:#fff}
.property-nav .to-next{text-align:right;align-items:flex-end;margin-left:auto}

/* ---------- 09 Contact ---------- */
.contact{
  background:var(--black);border-top:1px solid var(--line-dark);
  padding:clamp(110px,15vw,190px) var(--pad);
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(48px,8vw,130px);
}
.contact h2{font-size:clamp(38px,5vw,68px);font-weight:300;line-height:1.12}
.contact h2 em{font-style:italic;color:var(--gold)}
.contact-list{list-style:none;padding:0;margin:44px 0 0}
.contact-list li{margin:0 0 24px;display:flex;flex-direction:column;gap:6px}
.contact-list small{font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}
.contact-list a,.contact-list span{font-family:var(--serif);font-size:22px;color:var(--ivory);text-decoration:none}
.contact-list a:hover{color:#fff}

.contact form{display:grid;gap:34px;align-content:start;padding-top:14px}
.contact input,.contact textarea{
  width:100%;background:none;border:0;border-bottom:1px solid var(--line-dark);
  border-radius:0;color:var(--ivory);padding:12px 0 14px;
  font:300 15px/1.5 var(--sans);letter-spacing:.02em;
  transition:border-color .4s ease;
}
.contact input::placeholder,.contact textarea::placeholder{color:var(--muted-dark)}
.contact input:focus,.contact textarea:focus{outline:none;border-bottom-color:var(--gold)}
.contact textarea{min-height:120px;resize:vertical}
.contact button{
  appearance:none;cursor:pointer;background:none;border:0;
  width:max-content;padding:12px 0;margin-top:6px;
  font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--ivory);
  border-bottom:1px solid var(--gold-soft);
  transition:border-color .4s ease,color .4s ease;
}
.contact button:hover{border-color:var(--gold);color:#fff}

/* ---------- 10 Footer ---------- */
footer{
  background:var(--black);border-top:1px solid var(--line-dark);
  padding:clamp(70px,9vw,110px) var(--pad);text-align:center;
}
.footer-brand{display:inline-block;line-height:0}
.footer-brand img{width:min(260px,72%);height:auto;margin:0 auto;mix-blend-mode:screen}
footer p{max-width:480px;margin:36px auto 0;color:var(--muted-dark);font-size:13px}
footer .copyright{margin-top:34px;font-size:11px;letter-spacing:.2em;color:#57534a}

/* ---------- 11 Responsive ---------- */
@media(max-width:900px){
  .contact{grid-template-columns:1fr}
  .approach-grid{grid-template-columns:1fr;gap:44px}
  .index-media{aspect-ratio:4/3}
  .viewer-stage{height:min(62vh,640px);height:min(62svh,640px)}
}
@media(max-width:640px){
  :root{--header-h:66px}
  .site-header{padding:16px 24px}
  .site-header.solid,.property-page .site-header{padding-top:12px;padding-bottom:12px}
  .brand img{height:32px}
  .site-header.solid .brand img,.property-page .brand img{height:28px}
  .site-header nav{gap:24px}
  .site-header nav a{font-size:10px;letter-spacing:.24em}
  .hero-lockup{width:min(400px,88%)}
  .hero-copy p{font-size:14px}
  .hero-scroll{display:none}
  .index-title{gap:16px}
  .viewer{padding:0}
  .viewer-bar{padding:18px 24px 0}
  .viewer-hint{display:none}
  .viewer-stage{height:min(56vh,520px);height:min(56svh,520px)}
  .property-nav a strong{white-space:normal}
  .contact-list a,.contact-list span{font-size:19px}
}

/* ---------- 12 Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-media img{animation:none}
  .hero-copy>*,.hero-scroll{animation:none;opacity:1;transform:none}
  .reveal{opacity:1;transform:none;transition:none}
  .viewer-stage img{transition:opacity .2s ease;transform:none}
  .index-media img{transition:none}
}

/* Current Nordia logo on home page hero */
.hero-logo-current{width:min(620px,88%);mix-blend-mode:normal;}