/* SAMDI Building Services — quiet luxury, mobile-first.
   Layout concept: a single calm column on porcelain, navy bands for statements,
   one gold action per screen, imagery framed like architectural plates. */
:root{
  --navy:#23264B;
  --navy-deep:#14152B;
  --head:#F6F2EA;
  --band:#1F2144;
  --footer:#0F1024;
  --gold:#C9973A;
  --gold-light:#E2C48A;
  --porcelain:#191B38;
  --paper:#1F2144;
  --ink:#ECE8DF;
  --stone:#BDBBC8;
  --line:rgba(255,255,255,.16);
  --line-on-navy:rgba(226,196,138,.28);
  --display:"Cormorant Garamond","Cormorant",Garamond,"Times New Roman",serif;
  --body:"Jost","Avenir Next","Segoe UI",system-ui,sans-serif;
  --measure:62ch;
  --gutter:clamp(16px,5vw,48px);
  --s1:.5rem;--s2:1rem;--s3:1.5rem;--s4:2.5rem;--s5:4rem;--s6:6.5rem;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--porcelain);color:var(--ink);font-family:var(--body);font-weight:300;font-size:1.0625rem;line-height:1.75}
img{max-width:100%;display:block}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
a:hover{color:var(--gold)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy-deep);padding:.6rem 1rem;z-index:50}
.skip:focus{left:16px}

/* Type */
h1,h2,h3{font-family:var(--display);font-weight:500;color:var(--head);text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2.8rem,8.5vw,5.4rem);line-height:1.04}
h1 em,h2 em{font-style:italic;font-weight:400;color:var(--gold)}
h2{font-size:clamp(2.1rem,5.6vw,3.4rem);line-height:1.1}
h3{font-size:clamp(1.45rem,3.2vw,1.8rem);line-height:1.2}
p{margin:0;max-width:var(--measure)}
.eyebrow{font-family:var(--body);font-size:.75rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:.75rem}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.lede{font-size:clamp(1.1rem,2.4vw,1.3rem);line-height:1.6;color:var(--stone)}
.stack{display:flex;flex-direction:column;gap:var(--s3)}
.stack-sm{display:flex;flex-direction:column;gap:var(--s2)}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(20,21,43,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--head)}
.brand:hover{color:var(--head)}
.brand svg{width:46px;height:46px;flex:none}
.brand-name{display:flex;flex-direction:column;line-height:1}
.brand-name b{font-family:var(--display);font-weight:500;font-size:1.6rem;letter-spacing:.3em;color:var(--head)}
.brand-name small{font-size:.58rem;letter-spacing:.36em;text-transform:uppercase;color:var(--gold);margin-top:.35rem}
.nav-desktop{display:none}
.nav-desktop a{white-space:nowrap;text-decoration:none;font-size:.74rem;font-weight:400;letter-spacing:.2em;text-transform:uppercase;color:var(--ink)}
.nav-desktop a[aria-current="page"]{color:var(--head);box-shadow:inset 0 -1px var(--gold)}
.header-phone{white-space:nowrap;display:none;font-size:.85rem;letter-spacing:.04em;text-decoration:none;color:var(--head);font-variant-numeric:tabular-nums}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;padding:.6rem .2rem;color:var(--head)}
.menu summary::-webkit-details-marker{display:none}
.menu[open] summary{color:var(--gold)}
.menu nav{position:absolute;right:0;top:calc(100% + 12px);background:var(--paper);border:1px solid var(--line);min-width:240px;padding:.75rem 0;display:flex;flex-direction:column;box-shadow:0 18px 40px -18px rgba(22,24,47,.35)}
.menu nav a{padding:.7rem 1.25rem;text-decoration:none}
.menu nav a[aria-current="page"]{color:var(--gold)}
.menu nav .menu-phone{border-top:1px solid var(--line);margin-top:.5rem;padding-top:1rem;color:var(--head);font-variant-numeric:tabular-nums}
@media (min-width:1180px){
  .nav-desktop{display:flex;gap:1.5rem}
  .menu{display:none}
}
@media (min-width:1380px){.header-phone{display:inline}}
.brand-name small{white-space:nowrap}

/* Buttons — gold is reserved for the one primary action on a screen */
.btn-gold{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;background:var(--gold);color:var(--navy-deep);text-decoration:none;font-size:.82rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;padding:1.05rem 1.9rem;border:0;cursor:pointer;transition:background .4s ease}
.btn-gold:hover{background:var(--gold-light);color:var(--navy-deep)}
.btn-gold::after{content:"";width:18px;height:1px;background:currentColor;transition:width .4s ease}
.btn-gold:hover::after{width:28px}
.link-quiet{font-size:.85rem;letter-spacing:.08em;color:var(--head);text-decoration:none;border-bottom:1px solid var(--gold);padding-bottom:2px;font-variant-numeric:tabular-nums}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem 2rem}

/* Sections */
section{padding-block:var(--s5)}
@media (min-width:800px){section{padding-block:var(--s6)}}
.band-navy{background:var(--navy-deep);color:#E9E9EF}
.band-navy h1,.band-navy h2,.band-navy h3{color:var(--head)}
.band-navy .lede{color:#C4C2CE}
.band-navy a{color:var(--head)}
.band-navy .link-quiet{color:var(--head)}
.band-paper{background:var(--band);border-block:1px solid rgba(255,255,255,.08)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* Hero */
.hero{padding-block:var(--s4) var(--s5)}
.hero-grid{display:grid;gap:var(--s4);align-items:end}
.hero-copy{display:flex;flex-direction:column;gap:var(--s3);min-width:0}
@media (min-width:900px){
  .hero{padding-block:var(--s5) var(--s6)}
  .hero-grid{grid-template-columns:1.05fr 1fr}
}
.hero-sub{padding-block:var(--s5) var(--s4)}

/* Image plates (AI imagery slots). Replace .plate with <picture> per spec. */
.plate{margin:0;position:relative;width:100%;max-width:100%;aspect-ratio:4/5;overflow:hidden;background:var(--navy-deep);isolation:isolate}
.plate.wide{aspect-ratio:16/9}
.plate.pano{aspect-ratio:21/9}
.plate.square{aspect-ratio:1/1}
.plate::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--tone)}
.plate::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;mix-blend-mode:soft-light;background:
  radial-gradient(120% 60% at 85% 10%,rgba(255,226,170,.9),transparent 60%),
  linear-gradient(115deg,transparent 40%,rgba(255,255,255,.18) 41%,transparent 43%,transparent 70%,rgba(255,255,255,.12) 71%,transparent 72%)}
.plate figcaption{position:absolute;left:0;right:0;bottom:0;padding:1rem 1.1rem;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.82);background:linear-gradient(transparent,rgba(16,17,34,.55))}
.plate figcaption b{color:var(--gold-light);font-weight:500;margin-right:.6rem}
.t-interior{--tone:linear-gradient(165deg,#2B2D4E 0%,#5C4C43 42%,#B98A55 72%,#EBCB92 100%)}
.t-marble{--tone:linear-gradient(150deg,#ECEAE6 0%,#D9D5CE 45%,#BFB6A8 70%,#8E8172 100%)}
.t-dusk{--tone:linear-gradient(180deg,#1B1D3A 0%,#3E3D5E 35%,#9A6E55 70%,#E3A867 100%)}
.t-glass{--tone:linear-gradient(200deg,#C9D2D9 0%,#8C9BAA 38%,#475069 70%,#23264B 100%)}
.t-wood{--tone:linear-gradient(160deg,#3A2E2A 0%,#6E5240 45%,#A97F57 75%,#D7B486 100%)}
.t-marble figcaption{color:rgba(27,28,44,.8);background:linear-gradient(transparent,rgba(255,255,255,.55))}
.t-marble figcaption b{color:#23264B}

/* Statement */
.statement{display:grid;gap:var(--s4)}
@media (min-width:900px){.statement{grid-template-columns:1fr 1.2fr;align-items:start}}

/* Phases — a real sequence, so it is numbered */
.phases{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line-on-navy)}
.phases li{display:grid;grid-template-columns:3.2rem 1fr;align-items:baseline;gap:1rem;padding-block:1.4rem;border-bottom:1px solid var(--line-on-navy)}
.phases .n{font-family:var(--display);font-style:italic;color:var(--gold);font-size:1.1rem;font-variant-numeric:lining-nums}
.phases .name{font-family:var(--display);font-size:clamp(1.6rem,4.5vw,2.4rem);color:var(--head);line-height:1.1}
@media (min-width:900px){.phases{grid-template-columns:repeat(3,1fr);border-top:0}.phases li{grid-template-columns:1fr;border-bottom:0;border-top:1px solid var(--line-on-navy);padding-top:1.6rem}}
.on-light .phases{border-color:var(--line)}
.on-light .phases li{border-color:var(--line)}
.on-light .phases .name{color:var(--head)}

/* Before / after wipe */
.wipe{position:relative;width:100%;max-width:100%;aspect-ratio:16/9;overflow:hidden;user-select:none;touch-action:pan-y;background:var(--navy-deep)}
.wipe .layer{position:absolute;inset:0}
.wipe .after{background:var(--tone)}
.wipe .before{clip-path:inset(0 calc(100% - var(--pos,50%)) 0 0);background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .5 0 0 0 0 .44 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E"),
  linear-gradient(170deg,rgba(150,140,125,.75),rgba(120,110,98,.65)),var(--tone);background-blend-mode:normal,multiply,normal}
.wipe .handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;margin-left:-1px;background:var(--gold);pointer-events:none;box-shadow:0 0 12px rgba(201,151,58,.45)}
.wipe .knob{position:absolute;top:50%;left:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;background:var(--gold);box-shadow:0 6px 24px rgba(0,0,0,.35);display:grid;place-items:center}
.wipe .knob::before{content:"\2039\2002\203A";color:var(--navy-deep);font-size:1.35rem;line-height:1;font-family:var(--display)}
.wipe .tag{position:absolute;top:1rem;font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:#fff;background:rgba(22,24,47,.6);padding:.35rem .6rem}
.wipe .tag.l{left:1rem}.wipe .tag.r{right:1rem}
.wipe input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.wipe-note{font-size:.78rem;color:var(--stone);margin-top:.8rem}

/* Lists */
.split{display:grid;gap:var(--s4)}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr;align-items:start}.split.flip>:first-child{order:2}}
.ledger{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.ledger li{padding-block:1rem;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem}
.ledger li span{color:var(--stone);font-size:.9rem;text-align:right}
.band-navy .ledger,.band-navy .ledger li{border-color:var(--line-on-navy)}
.band-navy .ledger li span{color:#B9BBCC}
.cols{display:grid;gap:var(--s4)}
@media (min-width:760px){.cols{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.cols.three{grid-template-columns:repeat(3,1fr)}.cols.four{grid-template-columns:repeat(4,1fr)}}
.col{display:flex;flex-direction:column;gap:.75rem;padding-top:1.25rem;border-top:1px solid var(--gold);min-width:0}
.col p{color:var(--stone);font-size:.98rem}
.band-navy .col p{color:#C6C8D6}

/* Steps (real sequence) */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;display:grid;gap:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding-block:1.3rem;border-top:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--display);color:var(--gold);font-size:1.05rem}
.steps h3{font-size:1.25rem;margin-bottom:.3rem}
.steps p{color:var(--stone);font-size:.98rem}

/* Areas */
.areas{display:grid;gap:var(--s4)}
@media (min-width:760px){.areas{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.areas{grid-template-columns:repeat(4,1fr)}}
.area h3{margin-bottom:.9rem}
.area ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.35rem;color:var(--stone)}
.inline-areas{color:var(--stone);font-size:.95rem;max-width:none}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1.5rem;padding-block:1.4rem;font-family:var(--display);font-size:clamp(1.15rem,2.6vw,1.45rem);color:var(--head);line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--body);font-weight:300;color:var(--gold);font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding-bottom:1.6rem;display:flex;flex-direction:column;gap:.9rem;color:var(--stone)}

/* CTA band */
.closing{text-align:left}
.closing .wrap{display:flex;flex-direction:column;gap:var(--s3)}
.fineprint{font-size:.8rem;letter-spacing:.04em;color:#9EA1B6}
.fineprint-dark{font-size:.8rem;letter-spacing:.04em;color:var(--stone)}

/* Quote line */
.pull{font-family:var(--display);font-style:italic;font-size:clamp(1.6rem,4.4vw,2.6rem);line-height:1.2;color:var(--head);max-width:24ch;text-wrap:balance}
.band-navy .pull{color:var(--head)}

/* Form */
.form{display:grid;gap:1.4rem;background:var(--paper);padding:clamp(1.25rem,4vw,2.5rem);border:1px solid var(--line)}
.field{display:flex;flex-direction:column;gap:.45rem;min-width:0}
.field label{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--stone)}
.field input,.field select{font:inherit;font-size:1rem;color:var(--ink);background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.35);padding:.6rem 0;border-radius:0;width:100%}
.field input:focus,.field select:focus{outline:none;border-bottom-color:var(--gold)}
.dates{display:grid;gap:1rem;grid-template-columns:1fr 1fr}
.form-note{font-size:.82rem;color:var(--stone)}
.form-status{font-size:.92rem;color:var(--head);border-left:2px solid var(--gold);padding-left:.9rem}
.contact-lines{display:flex;flex-direction:column;gap:1.4rem}
.contact-lines .big{font-family:var(--display);font-size:clamp(1.7rem,5vw,2.4rem);color:var(--head);text-decoration:none;font-variant-numeric:lining-nums tabular-nums;word-break:break-word}
.copy-btn{font:inherit;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;background:none;border:1px solid var(--line);color:var(--head);padding:.4rem .8rem;cursor:pointer;margin-left:.6rem;vertical-align:middle}
.copy-btn:hover{border-color:var(--gold)}

/* Footer */
.site-footer{background:var(--footer);color:#B9BBCC;padding-block:var(--s5) var(--s4);font-size:.92rem}
.site-footer a{color:#E9E9EF;text-decoration:none}
.site-footer a:hover{color:var(--gold-light)}
.foot-grid{display:grid;gap:var(--s4)}
@media (min-width:900px){.foot-grid{grid-template-columns:1.3fr 1fr 1fr}}
.site-footer .brand{color:var(--head)}
.site-footer .brand-name small{color:var(--gold)}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}
.foot-base{margin-top:var(--s4);padding-top:var(--s3);border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.78rem;color:#8D90A6}
.foot-label{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-light);margin-bottom:.9rem}

/* Breadcrumb */
.crumbs{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);padding-top:var(--s3)}
.crumbs a{text-decoration:none}
.crumbs span{margin-inline:.5rem;color:var(--gold)}

/* Slow fade reveals — visible at rest; scroll-driven where supported */
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes soft-rise{from{opacity:.35;transform:translateY(22px)}to{opacity:1;transform:none}}
/* H1 and hero image are never animated: they are the LCP candidates. */
.hero-copy>:not(h1){animation:rise 1.4s cubic-bezier(.2,.6,.2,1) both}
.hero-copy>*:nth-child(3){animation-delay:.2s}
.hero-copy>*:nth-child(4){animation-delay:.4s}
@supports (animation-timeline:view()){
  .reveal{animation:soft-rise linear both;animation-timeline:view();animation-range:entry 5% entry 55%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media (max-width:420px){.btn-gold{letter-spacing:.12em;padding-inline:1.3rem;font-size:.78rem}}

/* Navy edition: hairline white frame on imagery */
.plate,.wipe{outline:1px solid rgba(255,255,255,.18);outline-offset:6px}
.menu nav{box-shadow:0 18px 40px -18px rgba(0,0,0,.6)}
.field input::placeholder{color:rgba(255,255,255,.45)}

/* Real imagery */
.plate img,.wipe .layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.plate::before,.plate::after{display:none}
.wipe .before{background:none}
.wipe .after{background:none}

/* Full-width showcase slider */
.showcase{padding-bottom:var(--s4)}
.showcase .stack{margin-bottom:var(--s4)}
.wrap-wide{width:100%;max-width:1560px;margin-inline:auto;padding-inline:var(--gutter)}
.wide-wipe{aspect-ratio:16/9}
@media (max-width:700px){.wide-wipe{aspect-ratio:4/3}}
.wide-wipe .tag{font-size:.7rem;letter-spacing:.28em;padding:.5rem .8rem;background:rgba(20,21,43,.72);border:1px solid rgba(201,151,58,.45)}
.wrap-wide .wipe-note{text-align:center;max-width:none}

/* Images dissolve into the navy instead of hard edges */
html,body{overflow-x:clip}
.plate{outline:none;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 24%);
          mask-image:linear-gradient(to bottom,transparent 0,#000 24%)}
.split:not(.flip)>.plate{
  -webkit-mask-image:linear-gradient(to top,transparent 0,#000 24%);
          mask-image:linear-gradient(to top,transparent 0,#000 24%)}
@media (min-width:900px){
  .plate{
    -webkit-mask-image:linear-gradient(to right,transparent 0,rgba(0,0,0,.6) 16%,#000 40%),linear-gradient(to bottom,transparent 0,#000 10%,#000 90%,transparent 100%);
    -webkit-mask-composite:source-in;
            mask-image:linear-gradient(to right,transparent 0,rgba(0,0,0,.6) 16%,#000 40%),linear-gradient(to bottom,transparent 0,#000 10%,#000 90%,transparent 100%);
            mask-composite:intersect}
  .split:not(.flip)>.plate{
    -webkit-mask-image:linear-gradient(to left,transparent 0,rgba(0,0,0,.6) 16%,#000 40%),linear-gradient(to bottom,transparent 0,#000 10%,#000 90%,transparent 100%);
            mask-image:linear-gradient(to left,transparent 0,rgba(0,0,0,.6) 16%,#000 40%),linear-gradient(to bottom,transparent 0,#000 10%,#000 90%,transparent 100%)}
  /* hero image bleeds to the right edge of the screen */
  .hero .plate{max-width:none;margin-right:calc(-1 * max(var(--gutter), (100vw - 1180px) / 2 + var(--gutter)));width:auto;aspect-ratio:auto;min-height:640px;height:100%}
  .hero-grid{align-items:stretch}
  .hero-copy{justify-content:center}
}

/* Founders */
.foot-people{margin-top:1.2rem;color:#B9BBCC;font-size:.88rem}
.people{display:flex;flex-wrap:wrap;gap:.5rem 2rem;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);padding-top:.6rem;border-top:1px solid var(--line)}