/* Rising Sun Drive Residence — Sonoran Sanctuary HOA Submittal
   Desert-contemporary theme: cottage white, weathered stone, iron, desert bronze */

:root{
  --sand:#f6f1e8;
  --sand-2:#efe7d9;
  --paper:#fbf8f2;
  --ink:#211d18;
  --ink-soft:#4a443b;
  --muted:#8a8072;
  --line:rgba(33,29,24,.12);
  --stone:#7c6552;
  --iron:#2b2f33;
  --bronze:#b0703c;
  --bronze-deep:#95592b;
  --white:#ffffff;
  --shadow-sm:0 2px 10px rgba(33,29,24,.06);
  --shadow:0 18px 50px -22px rgba(33,29,24,.45);
  --shadow-lg:0 40px 90px -40px rgba(33,29,24,.55);
  --r:18px;
  --r-lg:26px;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.75,.28,1);
  --serif:"Fraunces","Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--sand);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.01em;margin:0}
h2{font-size:clamp(2rem,4.6vw,3.4rem)}
h3{font-size:1.35rem;letter-spacing:0}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,44px)}

/* ---------- eyebrow / section headers ---------- */
.eyebrow{
  font-family:var(--sans);
  font-size:.74rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--bronze);margin:0 0 14px;display:inline-flex;gap:12px;align-items:center;
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--bronze);opacity:.6}
.section{padding:clamp(64px,10vw,130px) 0}
.section-head{max-width:720px;margin-bottom:clamp(34px,5vw,60px)}
.section-head p{color:var(--ink-soft);font-size:1.08rem;margin-top:16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  padding:14px 26px;border-radius:100px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s;
  letter-spacing:.01em;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--bronze);color:#fff;box-shadow:0 12px 26px -12px rgba(176,112,60,.9)}
.btn-primary:hover{background:var(--bronze-deep);transform:translateY(-3px);box-shadow:0 20px 34px -14px rgba(176,112,60,.95)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-3px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-3px)}

/* ---------- header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,44px);
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease);
}
.header.scrolled{background:rgba(251,248,242,.85);backdrop-filter:saturate(1.2) blur(14px);box-shadow:0 1px 0 var(--line);padding:12px clamp(20px,5vw,44px)}
.brand{display:flex;align-items:center;gap:13px;color:#fff;transition:color .4s}
.header.scrolled .brand{color:var(--ink)}
.brand .mono{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,var(--bronze),var(--bronze-deep));color:#fff;
  font-family:var(--serif);font-size:1.15rem;letter-spacing:.02em;box-shadow:var(--shadow-sm);
}
.brand b{font-family:var(--serif);font-weight:500;font-size:1.12rem;display:block;line-height:1.1}
.brand span{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;opacity:.8}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  color:#fff;padding:9px 15px;border-radius:100px;font-size:.9rem;font-weight:500;opacity:.92;
  transition:background .3s,color .3s,opacity .3s;
}
.header.scrolled .nav a{color:var(--ink-soft)}
.nav a:hover{background:rgba(255,255,255,.14);opacity:1}
.header.scrolled .nav a:hover{background:var(--sand-2);color:var(--ink)}
.nav .btn{margin-left:10px;padding:11px 20px}
.header.scrolled .nav .btn-ghost{color:var(--ink);border-color:var(--line);background:transparent}
.header.scrolled .nav .btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{width:24px;height:2px;background:#fff;transition:.3s;border-radius:2px}
.header.scrolled .burger span{background:var(--ink)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:-8% 0 0 0;z-index:0;will-change:transform}
.hero-bg img{width:100%;height:116%;object-fit:cover;object-position:center 62%}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(20,17,13,.55) 0%,rgba(20,17,13,.12) 34%,rgba(20,17,13,.22) 62%,rgba(18,15,11,.9) 100%);}
.hero-inner{position:relative;z-index:2;width:100%;padding-bottom:clamp(52px,8vw,96px);padding-top:120px}
.hero .tagline{
  display:inline-flex;align-items:center;gap:12px;font-size:.76rem;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;color:#f4e4d3;margin-bottom:22px;
}
.hero .tagline::before{content:"";width:34px;height:1px;background:#f4e4d3;opacity:.7}
.hero h1{font-size:clamp(2.9rem,8vw,6.4rem);margin:0 0 20px;max-width:15ch;text-shadow:0 2px 30px rgba(0,0,0,.3)}
.hero .lede{font-size:clamp(1.05rem,2.1vw,1.35rem);max-width:56ch;color:rgba(255,255,255,.9);margin-bottom:34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;color:#fff;opacity:.7;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue .line{width:1px;height:40px;background:linear-gradient(#fff,transparent);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- facts marquee ---------- */
.facts-bar{background:var(--ink);color:#fff}
.facts-bar .wrap{display:flex;flex-wrap:wrap;gap:8px 48px;justify-content:space-between;padding-top:26px;padding-bottom:26px}
.fact{display:flex;flex-direction:column}
.fact b{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.1rem);font-weight:500;line-height:1}
.fact span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:8px}

/* ---------- overview ---------- */
.overview .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,70px);align-items:start}
.overview .lead-p{font-size:1.15rem;color:var(--ink-soft)}
.overview .drop{font-family:var(--serif);font-size:1.5rem;color:var(--ink);line-height:1.4;margin-bottom:24px}
.spec-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,36px);box-shadow:var(--shadow-sm);position:sticky;top:100px;
}
.spec-card h3{font-size:1.05rem;font-family:var(--sans);font-weight:700;letter-spacing:.02em;margin-bottom:6px}
.spec-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
.spec-row .k{color:var(--muted)}
.spec-row .v{font-weight:600;text-align:right}

/* ---------- gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.shot{
  position:relative;overflow:hidden;border-radius:var(--r);cursor:pointer;background:var(--sand-2);
  box-shadow:var(--shadow-sm);border:1px solid var(--line);
}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.shot:hover img{transform:scale(1.07)}
.shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(20,17,13,.5));opacity:0;transition:opacity .4s}
.shot:hover::after{opacity:1}
.shot .tag{position:absolute;left:16px;bottom:14px;color:#fff;font-size:.82rem;font-weight:600;letter-spacing:.02em;opacity:0;transform:translateY(8px);transition:.45s var(--ease);z-index:2}
.shot:hover .tag{opacity:1;transform:translateY(0)}
.shot .zoom{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.85);display:grid;place-items:center;opacity:0;transform:scale(.7);transition:.4s var(--ease)}
.shot:hover .zoom{opacity:1;transform:scale(1)}
.shot.big{grid-column:span 4;grid-row:span 2;aspect-ratio:16/10}
.shot.tall{grid-column:span 2;aspect-ratio:4/5}
.shot.wide{grid-column:span 2;aspect-ratio:1/1}

/* ---------- 3D section ---------- */
.threeD{position:relative;color:#fff;overflow:hidden;background:var(--iron)}
.threeD-bg{position:absolute;inset:0;z-index:0}
.threeD-bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.threeD::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,24,.75),rgba(20,22,24,.92));z-index:1}
.threeD .wrap{position:relative;z-index:2}
.threeD .inner{max-width:760px}
.threeD h2{color:#fff}
.threeD p{color:rgba(255,255,255,.82);font-size:1.1rem}
.threeD .eyebrow{color:#e6a86f}
.threeD .eyebrow::before{background:#e6a86f}
.viewer{margin-top:40px;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow-lg);background:#0d0f10}
/* ---- self-hosted 360 spinner ---- */
.spin{position:relative;aspect-ratio:4/3;width:100%;overflow:hidden;background:#0d0f10;touch-action:none;cursor:grab;user-select:none}
.spin.grabbing{cursor:grabbing}
.spin-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-drag:none;opacity:0;transition:opacity .5s}
.spin.ready .spin-img{opacity:1}
.spin-load{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:#fff;background:#0d0f10;z-index:3;transition:opacity .5s}
.spin.ready .spin-load{opacity:0;pointer-events:none}
.spin-load .ring{width:54px;height:54px;border-radius:50%;border:3px solid rgba(255,255,255,.15);border-top-color:var(--bronze);animation:spin360 .9s linear infinite}
@keyframes spin360{to{transform:rotate(360deg)}}
.spin-load .bar{width:min(260px,60%);height:4px;border-radius:4px;background:rgba(255,255,255,.14);overflow:hidden}
.spin-load .bar i{display:block;height:100%;width:0;background:var(--bronze);transition:width .2s}
.spin-load small{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.spin-hint{position:absolute;left:50%;top:22px;transform:translateX(-50%);z-index:2;display:flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:100px;background:rgba(13,15,16,.55);backdrop-filter:blur(6px);color:#fff;font-size:.8rem;
  border:1px solid rgba(255,255,255,.18);transition:opacity .5s;pointer-events:none}
.spin-hint svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.8}
.spin.touched .spin-hint{opacity:0}
.spin-tools{position:absolute;left:0;right:0;bottom:16px;z-index:2;display:flex;justify-content:center;gap:10px}
.spin-btn{display:inline-flex;align-items:center;gap:9px;padding:10px 20px;border-radius:100px;border:1px solid rgba(255,255,255,.22);
  background:rgba(13,15,16,.55);backdrop-filter:blur(6px);color:#fff;font-size:.85rem;font-weight:600;cursor:pointer;transition:.3s var(--ease)}
.spin-btn:hover{background:var(--bronze);border-color:var(--bronze);transform:translateY(-2px)}
.spin-btn svg{width:15px;height:15px;fill:#fff}
.threeD .note{margin-top:16px;font-size:.85rem;color:rgba(255,255,255,.6)}

/* ---------- materials ---------- */
.materials{background:var(--paper)}
.mat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.mat{
  background:var(--sand);border:1px solid var(--line);border-radius:var(--r);padding:22px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);position:relative;overflow:hidden;
}
.mat:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.mat .sw{width:52px;height:52px;border-radius:14px;margin-bottom:16px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08),0 6px 14px -6px rgba(0,0,0,.3)}
.mat .no{position:absolute;top:18px;right:20px;font-family:var(--serif);font-size:1.6rem;color:var(--line)}
.mat h4{margin:0 0 6px;font-size:1rem;font-weight:700}
.mat .mfr{font-size:.8rem;color:var(--bronze);font-weight:600;letter-spacing:.02em;margin-bottom:8px}
.mat .desc{font-size:.86rem;color:var(--ink-soft);margin:0}
.palette{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.chip{display:flex;align-items:center;gap:12px;background:var(--sand);border:1px solid var(--line);border-radius:100px;padding:8px 18px 8px 8px}
.chip i{width:34px;height:34px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1)}
.chip b{font-size:.9rem}
.chip span{font-size:.72rem;color:var(--muted);display:block}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.plan{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.plan .thumb{aspect-ratio:11/8.5;overflow:hidden;background:#fff;position:relative;cursor:pointer;border-bottom:1px solid var(--line)}
.plan .thumb img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .8s var(--ease)}
.plan:hover .thumb img{transform:scale(1.04)}
.plan .body{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan .body h4{margin:0;font-size:1rem;font-weight:700}
.plan .body span{font-size:.78rem;color:var(--muted)}
.plan .pdf{flex:none;display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:600;color:var(--bronze)}
.plan .pdf svg{width:15px;height:15px}

/* ---------- compliance ---------- */
.comply{background:linear-gradient(180deg,var(--sand),var(--sand-2))}
.comply-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-bottom:44px}
.cbox{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .4s var(--ease)}
.cbox:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.cbox .ic{width:46px;height:46px;border-radius:12px;background:rgba(176,112,60,.12);display:grid;place-items:center;margin-bottom:16px}
.cbox .ic svg{width:22px;height:22px;stroke:var(--bronze);fill:none;stroke-width:1.8}
.cbox h4{margin:0 0 8px;font-size:1.05rem}
.cbox p{margin:0;font-size:.9rem;color:var(--ink-soft)}
.downloads{display:flex;flex-wrap:wrap;gap:14px}
.dl{
  display:flex;align-items:center;gap:14px;background:var(--paper);border:1px solid var(--line);
  border-radius:14px;padding:16px 20px;flex:1 1 260px;transition:.35s var(--ease);
}
.dl:hover{border-color:var(--bronze);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.dl .di{width:42px;height:42px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;flex:none;font-size:.62rem;font-weight:700;letter-spacing:.05em}
.dl b{display:block;font-size:.95rem}
.dl span{font-size:.76rem;color:var(--muted)}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(56px,8vw,90px) 0 40px}
.footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-family:var(--sans);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;margin:0 0 18px}
.footer .brand{color:#fff;margin-bottom:20px}
.footer p{font-size:.92rem;margin:0 0 8px}
.footer a:hover{color:#fff}
.footer .lgl{margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12);font-size:.78rem;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:200;background:rgba(14,12,10,.94);display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .35s}
.lb.open{display:flex;opacity:1}
.lb img{max-width:92vw;max-height:88vh;object-fit:contain;border-radius:8px;box-shadow:0 30px 90px rgba(0,0,0,.6);transform:scale(.96);transition:transform .4s var(--ease)}
.lb.open img{transform:scale(1)}
.lb-btn{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;width:52px;height:52px;border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:background .3s}
.lb-btn:hover{background:rgba(255,255,255,.22)}
.lb-btn svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2}
.lb-close{top:24px;right:24px}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:rgba(255,255,255,.8);font-size:.9rem;letter-spacing:.02em}

/* ---------- reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal].d1{transition-delay:.08s}[data-reveal].d2{transition-delay:.16s}
[data-reveal].d3{transition-delay:.24s}[data-reveal].d4{transition-delay:.32s}
[data-reveal].d5{transition-delay:.4s}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .overview .grid{grid-template-columns:1fr}
  .spec-card{position:static}
  .footer .grid{grid-template-columns:1fr 1fr}
  .shot.big{grid-column:span 6;grid-row:span 1;aspect-ratio:16/9}
  .shot.tall,.shot.wide{grid-column:span 3;aspect-ratio:4/3}
}
@media(max-width:720px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(82vw,340px);background:var(--paper);flex-direction:column;
    align-items:stretch;justify-content:flex-start;padding:96px 24px 24px;gap:4px;transform:translateX(105%);
    transition:transform .45s var(--ease);box-shadow:var(--shadow-lg);z-index:55}
  .nav.open{transform:translateX(0)}
  .nav a{color:var(--ink);padding:14px 16px;border-radius:12px;font-size:1.05rem}
  .nav a:hover{background:var(--sand-2)}
  .nav .btn{margin:10px 0 0;justify-content:center}
  .header.scrolled .nav .btn-ghost{color:#fff;background:var(--ink);border-color:var(--ink)}
  .burger{display:flex;z-index:60}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .header.scrolled .burger.open span,.burger.open span{background:var(--ink)}
  .scroll-cue{display:none}
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .shot.big,.shot.tall,.shot.wide{grid-column:span 2;grid-row:span 1;aspect-ratio:16/11}
  .facts-bar .wrap{gap:22px}
  .fact{flex:1 1 40%}
  .footer .grid{grid-template-columns:1fr}
  .lb-prev{left:12px}.lb-next{right:12px}.lb-btn{width:44px;height:44px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none;transition:none}
}