/* ============ TOKENS ============ */
:root{
  --canopy:#1b2922;
  --canopy-deep:#7c3a25;
  --limestone:#efe9dd;
  --limestone-warm:#e6ddcd;
  --brass:#c2a063;
  --brass-bright:#dcc28d;
  --sage:#8a998a;
  --ink:#15130d;
  --ink-soft:#403a2e;
  --mist:#c4ccc2;
  --line-dark:rgba(196,204,194,.16);
  --line-light:rgba(21,19,13,.14);
  --rail:#c2a063;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;background:var(--canopy-deep)}
body{
  font-family: 'Helvetica-Light';
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}

.mono{font-family:"MinervaModern-Regular"}
.serif{font-family:"MinervaModern-Regular"}

/* ============ APP SHELL ============ */
.app{position:fixed;inset:0;overflow:hidden}

/* progress bar (ties UI to horizontal motion) */
/* margin-left:auto keeps Enquire hard right whether or not a
   brand mark sits beside it */
.enquire{margin-left:auto}

.topbar{
  position:fixed;top:0;left:0;right:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px clamp(18px,4vw,52px);
  pointer-events:none;
}
.topbar > *{pointer-events:auto}
.brand{
  font-family:"Fraunces",serif;font-weight:400;
  font-size:clamp(18px,1.7vw,23px);letter-spacing:.42em;
  color:var(--limestone);text-indent:.42em;
  mix-blend-mode:difference;
}
.enquire{
  font-family: 'MinervaModern-Regular';font-size:14px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--limestone);
  padding:10px 18px;border:1px solid rgba(255,255,255,.35);border-radius:30px;
  mix-blend-mode:difference;transition:.4s var(--ease);
}
.enquire:hover{background:var(--brass);color:var(--ink);border-color:var(--brass);mix-blend-mode:normal}
.enquire i{
  position: relative;
  top: -2px;
}

.scrollbar{
  position:fixed;top:0;left:0;height:2px;z-index:50;
  background:var(--brass);width:0;
  box-shadow:0 0 12px rgba(194,160,99,.7);
  transition:width .12s linear;
}

/* ============ ELEVATION RAIL (signature) ============ */
.rail{
  position:fixed;left:clamp(18px,4vw,52px);top:50%;transform:translateY(-50%);
  z-index:35;display:flex;flex-direction:column;gap:0;
}
.rail-line{
  position:absolute;left:5px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(var(--line-dark),var(--line-dark));
}
.rail.on-dark .rail-line{background:rgba(196,204,194,.22)}
.rail-item{
  position:relative;display:flex;align-items:center;gap:14px;
  padding:9px 0;text-align:left;
}
.rail-dot{
  width:11px;height:11px;border-radius:50%;flex:0 0 11px;
  border:1px solid var(--ink-soft);background:transparent;
  transition:.45s var(--ease);position:relative;z-index:2;
}
.rail.on-dark .rail-dot{border-color:var(--sage)}
.rail-item.active .rail-dot{background:var(--brass);border-color:var(--brass);box-shadow:0 0 0 4px rgba(194,160,99,.18);transform:scale(1.15)}
.rail-meta{
  display:flex;flex-direction:column;line-height:1.15;
  opacity:0;transform:translateX(-6px);transition:.4s var(--ease);
  pointer-events:none;
}
.rail-item:hover .rail-meta,.rail-item.active .rail-meta{opacity:1;transform:none}
.rail-num{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.16em;color:var(--brass)}
.rail-label{font-size:12px;letter-spacing:.05em;color:var(--ink)}
.rail.on-dark .rail-label{color:var(--mist)}
.rail-item.active .rail-label{font-weight:600}

@media (max-width:860px){ .rail{display:none} }

/* ============ MOBILE TOP BAR + OFF-CANVAS MENU ============ */
.mtopbar{display:none}
.oc-backdrop,.offcanvas{display:none}

@media (max-width:860px){
  /* desktop chrome hidden on mobile */
  .topbar{display:none}

  /* sticky mobile header: menu · logo · enquire */
  .mtopbar{
    position:fixed;top:0;left:0;right:0;z-index:45;
    display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
    height:62px;padding:0 16px;
    background:rgba(16,25,20,.86);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(196,204,194,.12);
  }
  .mt-menu{justify-self:start;width:30px;height:18px;position:relative}
  .mt-menu span{
    position:absolute;left:0;right:0;height:1.5px;background:var(--limestone);
    transition:.35s var(--ease);transform-origin:center;
  }
  .mt-menu span:nth-child(1){top:0}
  .mt-menu span:nth-child(2){top:50%;transform:translateY(-50%)}
  .mt-menu span:nth-child(3){bottom:0}
  .mt-menu.open span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
  .mt-menu.open span:nth-child(2){opacity:0}
  .mt-menu.open span:nth-child(3){bottom:auto;top:50%;transform:translateY(-50%) rotate(-45deg)}
  .mt-logo{
    justify-self:center;font-family:"Fraunces",serif;font-weight:400;
    font-size:19px;letter-spacing:.34em;text-indent:.34em;color:var(--limestone);
  }
  .mt-enquire{
    justify-self:end;font-family:"IBM Plex Mono",monospace;font-size:10px;
    letter-spacing:.16em;text-transform:uppercase;color:var(--ink);
    background:var(--brass);padding:9px 14px;border-radius:30px;
  }

  /* off-canvas */
  .oc-backdrop{
    display:block;position:fixed;inset:0;z-index:46;
    background:rgba(10,16,12,.5);opacity:0;pointer-events:none;transition:.4s var(--ease);
  }
  .oc-backdrop.show{opacity:1;pointer-events:auto}
  .offcanvas{
    display:flex;flex-direction:column;
    position:fixed;top:0;bottom:0;left:0;z-index:47;
    width:min(82vw,360px);padding:26px 26px calc(26px + env(safe-area-inset-bottom));
    background:var(--canopy-deep);border-right:1px solid rgba(196,204,194,.14);
    transform:translateX(-100%);transition:transform .5s var(--ease);
    overflow-y:auto;
  }
  .offcanvas.open{transform:none}
  .oc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
  .oc-brand{font-family:"Fraunces",serif;font-size:22px;letter-spacing:.34em;text-indent:.34em;color:var(--limestone)}
  .oc-close{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.16em;color:var(--sage)}
  .oc-list{list-style:none;display:flex;flex-direction:column;gap:2px;flex:1}
  .oc-list button{
    display:flex;align-items:baseline;gap:14px;width:100%;text-align:left;
    padding:14px 0;border-bottom:1px solid rgba(196,204,194,.1);
  }
  .oc-num{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;color:var(--brass)}
  .oc-label{font-family:"Fraunces",serif;font-size:24px;font-weight:300;color:var(--mist);transition:.3s var(--ease)}
  .oc-list button.active .oc-label{color:var(--limestone)}
  .oc-list button.active .oc-num::after{content:" ●";color:var(--brass);font-size:8px}
  .oc-foot{margin-top:24px;display:flex;flex-direction:column;gap:16px}
  .oc-cta{
    font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--ink);background:var(--brass);padding:15px;border-radius:32px;text-align:center;
  }
  .oc-ig{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;color:var(--sage);text-decoration:none;text-align:center}
}

/* ============ TRACK + PANELS ============ */
.track{
  display:flex;height:100dvh;width:100%;position:relative;
  overflow-x:auto;overflow-y:hidden;
  /* proximity (not mandatory) so wide pages don't get yanked back mid-scroll */
  scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-behavior:auto;
}
.track::-webkit-scrollbar{display:none}

/* A panel is at least one screen wide, but grows as wide as its content needs.
   Overflow always extends sideways — there is no vertical scroll anywhere. */
.panel{
  flex:0 0 auto;min-width:100vw;width:max-content;max-width:none;height:100dvh;
  scroll-snap-align:start;scroll-snap-stop:always;
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:clamp(64px,9vh,110px) clamp(22px,7vw,120px) clamp(40px,7vh,90px);
}
.panel--dark{background:var(--canopy);color:var(--limestone)}
.panel--deep{background:var(--canopy-deep);color:var(--limestone)}
.panel--light{background:var(--limestone);color:var(--ink)}

.panel--dark .pad-left,.panel--deep .pad-left{padding-left:clamp(0px,3vw,46px)}
.panel--light .pad-left{padding-left:clamp(0px,3vw,46px)}
@media (max-width:860px){ .pad-left{padding-left:0 !important} }

/* eyebrow */
.eyebrow{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--brass);margin-bottom:22px;
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass);display:inline-block}

/* reveal-on-active */
.panel .reveal{opacity:0;transform:translateY(26px);transition:.9s var(--ease)}
.panel.is-active .reveal{opacity:1;transform:none}
.panel.is-active .reveal.d1{transition-delay:.08s}
.panel.is-active .reveal.d2{transition-delay:.18s}
.panel.is-active .reveal.d3{transition-delay:.28s}
.panel.is-active .reveal.d4{transition-delay:.38s}
.panel.is-active .reveal.d5{transition-delay:.48s}

h1,h2,h3{font-family:"Fraunces",serif;font-weight:400;line-height:1.02}
.lede{font-size:clamp(15px,1.25vw,18px);line-height:1.7;color:inherit;max-width:46ch;font-weight:300}
.panel--dark .lede,.panel--deep .lede{color:var(--mist)}

/* ============ HERO ============ */
#hero{justify-content:flex-end;padding-bottom:clamp(54px,9vh,96px)}
.hero-art{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-art svg{width:100%;height:100%;display:block}
.hero-grad{position:absolute;inset:0;background:
  radial-gradient(120% 80% at 78% 12%, rgba(220,194,141,.18), transparent 55%),
  linear-gradient(180deg, #1f3026 0%, #16241d 48%, #0e1712 100%);}
.hero-inner{position:relative;z-index:2;max-width:min(1100px,86vw)}
.hero-title{
  font-size:clamp(78px,21vw,300px);font-weight:300;letter-spacing:.06em;
  line-height:.86;color:var(--limestone);
}
.hero-sub{
  display:flex;flex-wrap:wrap;gap:14px 40px;align-items:baseline;
  margin-top:26px;border-top:1px solid var(--line-dark);padding-top:22px;
}
.hero-sub p{font-size:clamp(14px,1.2vw,17px);color:var(--mist);font-weight:300;max-width:38ch}
.scrollhint{
  position:absolute;right:clamp(22px,5vw,70px);bottom:clamp(40px,8vh,80px);z-index:3;
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;
  color:var(--mist);text-transform:uppercase;display:flex;align-items:center;gap:12px;
}
.scrollhint .arrow{width:40px;height:1px;background:var(--brass);position:relative;animation:nudge 2.4s var(--ease) infinite}
.scrollhint .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid var(--brass);border-right:1px solid var(--brass);transform:rotate(45deg)}
@keyframes nudge{0%,100%{transform:translateX(0);opacity:.6}50%{transform:translateX(8px);opacity:1}}
@media (max-width:860px){ .scrollhint{display:none} }

/* ============ TWO-COLUMN GENERIC ============ */
.cols{display:flex;gap:clamp(30px,5vw,80px);align-items:center;width:max-content;max-width:none}
.cols > .section-head{flex:0 0 auto;width:clamp(320px,40vw,560px)}
.section-head{display:flex;flex-direction:column}
.section-head h2{font-size:clamp(34px,5vw,72px);margin:6px 0 0}
.section-head .num{font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.2em;color:var(--brass)}

/* ============ CONCEPT ============ */
.concept-stats{display:flex;gap:clamp(26px,4vw,60px);margin-top:34px;flex-wrap:wrap}
.stat .big{font-family:"Fraunces",serif;font-size:clamp(40px,5vw,62px);font-weight:300;line-height:1;color:var(--ink)}
.stat .cap{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;color:var(--ink-soft);text-transform:uppercase;margin-top:8px}
.concept-art{position:relative;aspect-ratio:4/5;flex:0 0 auto;width:clamp(240px,26vw,400px)}
.concept-art svg{width:100%;height:100%}

/* ============ FACILITIES ============ */
#facilities{justify-content:center}
.fac-wrap{display:flex;gap:clamp(30px,5vw,70px);align-items:center;width:max-content;max-width:none}
.fac-list{display:flex;flex-direction:column;flex:0 0 auto;width:clamp(340px,44vw,560px)}
.fac-row{
  display:flex;align-items:baseline;gap:18px;padding:18px 4px;
  border-top:1px solid var(--line-dark);text-align:left;width:100%;
  transition:.4s var(--ease);
}
.fac-list .fac-row:last-child{border-bottom:1px solid var(--line-dark)}
.fac-row .fac-i{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--sage);letter-spacing:.1em;flex:0 0 30px}
.fac-row .fac-n{font-family:"Fraunces",serif;font-size:clamp(20px,2.4vw,30px);font-weight:300;color:var(--mist);transition:.4s var(--ease)}
.fac-row .fac-lvl{margin-left:auto;font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--sage);letter-spacing:.1em;opacity:.6}
.fac-row:hover .fac-n,.fac-row.active .fac-n{color:var(--limestone)}
.fac-row.active{padding-left:14px}
.fac-row.active .fac-i{color:var(--brass)}
.fac-detail{
  flex:0 0 auto;width:clamp(300px,34vw,460px);
  border-left:1px solid var(--line-dark);padding-left:clamp(24px,3vw,46px);
  min-height:230px;display:flex;flex-direction:column;justify-content:center;
}
.fac-detail .fd-tag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;color:var(--brass);text-transform:uppercase}
.fac-detail h3{font-size:clamp(28px,3.4vw,44px);font-weight:300;color:var(--limestone);margin:14px 0 16px}
.fac-detail p{color:var(--mist);font-weight:300;line-height:1.7;max-width:42ch;font-size:15px}
.fac-detail .fd-art{margin-top:24px}
.fac-detail .fd-art svg{width:64px;height:64px;opacity:.85}

/* ============ BLUEPRINT (floor + unit) ============ */
.bp-wrap{display:flex;gap:clamp(26px,4vw,60px);align-items:center;width:max-content;max-width:none}
.bp-board{
  flex:0 0 auto;height:min(62vh,520px);width:auto;aspect-ratio:16/11;
  background:var(--canopy-deep);border-radius:6px;position:relative;
  padding:clamp(18px,2.4vw,34px);
  box-shadow:0 30px 60px -30px rgba(21,19,13,.5);overflow:hidden;
}
.bp-board::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);
  background-size:26px 26px;
}
.bp-board svg{position:relative;width:100%;height:100%;display:block}
.bp-cap{position:absolute;left:clamp(18px,2.4vw,34px);bottom:14px;font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.16em;color:var(--sage);text-transform:uppercase}
.bp-compass{position:absolute;right:clamp(16px,2vw,26px);top:clamp(16px,2vw,26px);width:46px;height:46px;opacity:.8}

/* clickable plan shapes */
.unit-shape{fill:rgba(196,204,194,.05);stroke:var(--mist);stroke-width:1.1;cursor:pointer;transition:.35s var(--ease)}
.unit-shape:hover{fill:rgba(194,160,99,.14)}
.unit-shape.sel{fill:rgba(194,160,99,.22);stroke:var(--brass);stroke-width:1.6}
.unit-id{font-family:"IBM Plex Mono",monospace;font-size:9px;fill:var(--mist);letter-spacing:.08em;pointer-events:none}
.unit-shape.sel ~ .unit-id,.core-label{fill:var(--brass)}
.core{fill:rgba(138,153,138,.14);stroke:rgba(138,153,138,.4);stroke-dasharray:3 3;stroke-width:1}
.room{fill:rgba(196,204,194,.04);stroke:var(--mist);stroke-width:1;cursor:pointer;transition:.3s var(--ease)}
.room:hover,.room.sel{fill:rgba(194,160,99,.16);stroke:var(--brass)}
.room-lbl{font-family:"IBM Plex Mono",monospace;font-size:7.5px;fill:var(--sage);letter-spacing:.04em;pointer-events:none}
.room.sel ~ .room-lbl{fill:var(--brass)}
.balcony{fill:url(#hatch);stroke:var(--sage);stroke-width:1;stroke-dasharray:2 2}

/* info side */
.bp-info{flex:0 0 auto;width:clamp(300px,33vw,460px)}
.bp-info .num{font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.2em;color:var(--brass)}
.bp-info h2{font-size:clamp(32px,4vw,58px);font-weight:300;margin:6px 0 4px}
.bp-info .sub{font-size:14px;color:var(--ink-soft);margin-bottom:24px}

.unit-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.unit-tab{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;
  padding:9px 14px;border:1px solid var(--line-light);border-radius:30px;
  color:var(--ink-soft);transition:.35s var(--ease);text-transform:uppercase;
}
.unit-tab.active{background:var(--ink);color:var(--limestone);border-color:var(--ink)}
.unit-tab:hover:not(.active){border-color:var(--ink-soft)}

.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-light);border:1px solid var(--line-light);border-radius:4px;overflow:hidden;margin-bottom:22px}
.spec{background:var(--limestone);padding:14px 16px}
.spec .k{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--sage)}
.spec .v{font-family:"Fraunces",serif;font-size:clamp(20px,2vw,26px);font-weight:300;margin-top:4px;color:var(--ink)}
.unit-name{font-family:"Fraunces",serif;font-style:italic;color:var(--ink-soft)}

.cta-line{display:flex;align-items:center;gap:16px;margin-top:6px;flex-wrap:wrap}
.btn{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  padding:14px 26px;border-radius:32px;transition:.4s var(--ease);
}
.btn-solid{background:var(--brass);color:var(--ink)}
.btn-solid:hover{background:var(--ink);color:var(--limestone)}
.btn-ghost{border:1px solid var(--line-light);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(21,19,13,.04)}
.panel--dark .btn-ghost,.panel--deep .btn-ghost{border-color:rgba(255,255,255,.3);color:var(--limestone)}
.panel--dark .btn-ghost:hover,.panel--deep .btn-ghost:hover{border-color:var(--limestone);background:rgba(255,255,255,.06)}

.bp-roomnote{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;color:var(--brass);min-height:16px;margin-bottom:14px}

/* ============ BUILD STAGE ============
   Stage 1 shows the register section only. The other panels stay
   in the markup and keep loading their partials — they're just
   not rendered. Flip $scope.stage to 2 in js/app.js to bring the
   whole site back; nothing here needs changing.
   ==================================== */
.stage-1 .panel:not(#register){display:none}
.stage-1 .rail{display:none}          /* one dot is not a rail */
.stage-1 .mt-menu{visibility:hidden}  /* nothing to open yet */

/* ============ REGISTER ============ */
#register{justify-content:center}

/* the centred lockup + skyline scene now live in css/scene.css */
.reg-wrap{display:flex;gap:clamp(34px,5vw,80px);align-items:center;width:max-content;max-width:800px}
.reg-intro{flex:0 0 auto;width:clamp(300px,32vw,420px)}
.reg-form{flex:0 0 auto;width:clamp(340px,44vw,560px)}
.reg-intro h2{font-size:clamp(36px,5vw,66px);font-weight:300;color:var(--limestone);margin:8px 0 18px}
.reg-intro p{color:var(--mist);font-weight:300;line-height:1.7;max-width:38ch}
.reg-assure{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.reg-assure div{display:flex;gap:12px;align-items:baseline;color:var(--mist);font-size:14px}
.reg-assure .tick{color:var(--brass);font-family:"IBM Plex Mono",monospace}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--sage)}
.field input,.field select,.field textarea{
  background:transparent;border:none;border-bottom:1px solid var(--line-dark);
  color:var(--limestone);font-family:"Hanken Grotesk",sans-serif;font-size:15px;
  padding:10px 2px;transition:.35s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(196,204,194,.35)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brass)}
.field select{color:var(--mist)}
.field select option{background:var(--canopy-deep);color:var(--limestone)}
.field textarea{resize:none;min-height:46px}
.field.err input,.field.err select{border-color:#c97a5a}
.err-msg{color:#dd9b7e;font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.06em;min-height:12px}
.reg-submit{margin-top:8px}
.reg-success{
  text-align:left;display:flex;flex-direction:column;gap:14px;
  padding:34px;border:1px solid var(--line-dark);border-radius:6px;
}
.reg-success .chk{font-family:"IBM Plex Mono",monospace;color:var(--brass);font-size:13px;letter-spacing:.2em}
.reg-success h3{font-family:"Fraunces",serif;font-size:clamp(28px,3.5vw,42px);font-weight:300;color:var(--limestone)}
.reg-success p{color:var(--mist);font-weight:300;line-height:1.7;max-width:40ch}

/* ============ CONTACT ============ */
#contact{justify-content:center}
.contact-wrap{width:max-content;max-width:none}
.contact-top{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:20px;border-bottom:1px solid var(--line-light);padding-bottom:30px;margin-bottom:36px}
.contact-top h2{font-size:clamp(40px,6vw,90px);font-weight:300}
.contact-grid{display:flex;gap:clamp(20px,3vw,46px)}
.cgroup{flex:0 0 auto;width:clamp(180px,17vw,240px)}
.cgroup .ct{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brass);margin-bottom:14px}
.cgroup p,.cgroup a{font-size:15px;line-height:1.7;color:var(--ink);font-weight:300;display:block;text-decoration:none}
.cgroup a:hover{color:var(--brass)}
.contact-foot{margin-top:42px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;color:var(--ink-soft)}

/* ============ MOBILE: VERTICAL SCROLL ============
   On phones the whole experience flips to a normal vertical scroll. Pages
   stack top-to-bottom, columns stack within each page, and content-heavy
   pages simply grow taller. */
@media (max-width:860px){
  /* track scrolls vertically; panels stack */
  .track{flex-direction:column;overflow-x:hidden;overflow-y:auto;height:100dvh;-webkit-overflow-scrolling:touch}
  .app.menu-open .track{overflow:hidden}

  .panel{
    flex:0 0 auto;width:100%;min-width:0;max-width:100%;
    min-height:100dvh;height:auto;
    justify-content:center;align-items:center;
    padding:96px clamp(20px,7vw,40px) clamp(56px,9vh,80px);
  }
  #hero{min-height:100dvh;justify-content:flex-end}

  /* wrappers + their columns stack vertically, full width */
  .cols,.fac-wrap,.bp-wrap,.reg-wrap{
    flex-direction:column;width:100%;max-width:520px;margin:0 auto;
    align-items:stretch;gap:clamp(22px,5vw,34px);
  }
  .cols > .section-head,.concept-art,
  .fac-list,.fac-detail,
  .bp-info,
  .reg-intro,.reg-form{width:100%}
  .concept-art{align-self:center;max-width:340px}

  /* facilities: detail sits below the list */
  .fac-detail{border-left:none;border-top:1px solid var(--line-dark);padding-left:0;padding-top:24px;min-height:0}

  /* blueprint board scales to width and sits above the info */
  .bp-board{width:100%;height:auto;aspect-ratio:16/12}

  /* contact stacks */
  .contact-wrap{width:100%;max-width:520px;margin:0 auto}
  .contact-grid{flex-wrap:wrap;gap:24px}
  .cgroup{width:calc(50% - 12px)}

  /* form one column for thumb-friendly entry */
  .form-grid{grid-template-columns:1fr}

  .hero-title{line-height:.9}
  /* reveal animations already fire as each section scrolls into view */
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important}
  .panel .reveal{opacity:1;transform:none;transition:none}
  .scrollhint .arrow{animation:none}
}