/* Balaji Constructions — charcoal, poured concrete and the gold of the crest */
:root{
  --char:#111113; --char-2:#18181b; --char-3:#232327; --steel:#3a3a40;
  --concrete:#e4e2de; --concrete-2:#d3d0cb; --ink:#17171a; --ink-2:#4a4a50; --ink-3:#77767c;
  --gold:#d9a93a; --gold-hi:#f2c35b; --gold-lo:#9c7420; --blue:#5fb2ff;
  --line-d:rgba(255,255,255,.1); --line-l:rgba(23,23,26,.14);
  --f-head:"Zilla Slab",Rockwell,"Roboto Slab",Georgia,serif;
  --f-body:"Archivo","Segoe UI",system-ui,-apple-system,sans-serif;
  --pad:clamp(18px,4.5vw,64px); --max:1280px; --ease:cubic-bezier(.2,.7,.1,1);
}
*,*::before,*::after{box-sizing:border-box}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--char);color:#e9e7e3;font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:700;line-height:1.02;margin:0;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
:focus-visible{outline:3px solid var(--gold-hi);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}

.h-xl{font-size:clamp(2.8rem,6.6vw,6rem)}
.h-l{font-size:clamp(2.1rem,4.4vw,3.8rem)}
.h-m{font-size:clamp(1.5rem,2.4vw,2.1rem)}
.lede{font-size:clamp(1.05rem,1.35vw,1.22rem);color:#bdbab4;max-width:58ch}
.light .lede{color:var(--ink-2)}
.gold{color:var(--gold-hi)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;white-space:nowrap;padding:.95em 1.5em;font:700 .98rem/1 var(--f-body);letter-spacing:.01em;text-decoration:none;cursor:pointer;border:0;border-radius:4px;background:var(--gold);color:var(--char);box-shadow:inset 0 -3px 0 rgba(0,0,0,.22);transition:background .2s,transform .2s var(--ease)}
.btn:hover{background:var(--gold-hi);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor}
.btn--ghost:hover{background:rgba(217,169,58,.12)}
.btn--wa{background:#1fa855;color:#fff}.btn--wa:hover{background:#26bd62}
.btn--dark{background:var(--char);color:#fff}.btn--dark:hover{background:var(--char-3)}
.btn svg{width:1.2em;height:1.2em;flex:none}
.btn--sm{padding:.65em 1em;font-size:.88rem}

/* header */
.head{position:fixed;inset:0 0 auto;z-index:50;transition:background .35s,box-shadow .35s;padding-top:env(safe-area-inset-top,0px)}
.head.solid{background:rgba(17,17,19,.96);box-shadow:0 1px 0 var(--line-d)}
.head .wrap{max-width:none;display:flex;align-items:center;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}
.brand img{height:46px;width:auto}
.brand b{display:block;font:700 1.25rem/1 var(--f-head);color:var(--gold-hi)}
.brand span{display:block;font-size:.7rem;letter-spacing:.2em;color:#bdbab4;margin-top:4px}
.nav{display:flex;gap:26px;align-items:center}
.nav a{text-decoration:none;color:#d8d5cf;font-weight:500;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:#fff;border-color:var(--gold)}
.head-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;width:46px;height:46px;border:0;background:none;color:#fff;position:relative;cursor:pointer}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:currentColor;transition:.3s var(--ease)}
.burger i:nth-child(1){top:17px}.burger i:nth-child(2){top:27px}
.menu-open .burger i:nth-child(1){top:22px;transform:rotate(45deg)}.menu-open .burger i:nth-child(2){top:22px;transform:rotate(-45deg)}
@media (max-width:1060px){
  .burger{display:block}.head-cta .btn--ghost{display:none}
  .nav{position:fixed;inset:78px 0 auto;flex-direction:column;align-items:stretch;gap:0;background:var(--char);padding:8px var(--pad) 24px;box-shadow:0 20px 40px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.3s var(--ease)}
  .menu-open .nav{opacity:1;visibility:visible;transform:none}
  .nav a{padding:15px 0;border-bottom:1px solid var(--line-d);font-size:1.08rem}
}
@media (max-width:520px){.head-cta .btn span{display:none}.head-cta .btn{padding:.8em}.brand span{display:none}}

/* hero */
.hero{position:relative;height:100vh;height:100svh;min-height:640px;overflow:hidden;background:#1b1f2a}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(17,17,19,.86) 0%,rgba(17,17,19,.45) 38%,transparent 62%),linear-gradient(to top,var(--char) 0%,transparent 26%)}
.hero .wrap{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;max-width:none}
.hero-copy{max-width:620px}
.hero h1{margin:14px 0 22px}
.hero h1 span{display:block}
.hero-tag{display:inline-flex;align-items:center;gap:10px;font-size:.95rem;color:#d8d5cf}
.hero-tag::before{content:"";width:34px;height:2px;background:var(--gold)}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-meta{position:absolute;left:var(--pad);right:var(--pad);bottom:28px;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;color:#a7a49e;font-size:.88rem}
.hero-meta .scroll{display:flex;align-items:center;gap:10px}
.hero-meta .scroll i{width:1px;height:40px;background:linear-gradient(var(--gold),transparent)}
.hero .intro-copy{opacity:0;transform:translateY(18px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.hero.ready .intro-copy{opacity:1;transform:none}
@media (max-width:860px){
  .hero::after{background:linear-gradient(to top,var(--char) 8%,rgba(17,17,19,.78) 45%,rgba(17,17,19,.1) 75%)}
  .hero .wrap{justify-content:flex-end;padding-bottom:90px}
  .hero-meta .scroll{display:none}
}

/* facts band */
.facts{background:var(--gold);color:var(--char)}
.facts ul{list-style:none;margin:0 auto;max-width:var(--max);padding:0 var(--pad);display:grid;grid-template-columns:repeat(4,1fr)}
.facts li{padding:22px 18px;border-left:1px solid rgba(17,17,19,.18);display:flex;flex-direction:column}
.facts li:first-child{border-left:0;padding-left:0}
.facts b{font:700 clamp(1.6rem,2.6vw,2.3rem)/1 var(--f-head)}
.facts span{font-size:.92rem;font-weight:500;margin-top:6px}
@media (max-width:760px){.facts ul{grid-template-columns:1fr 1fr}.facts li:nth-child(3){border-left:0;padding-left:0}.facts li:nth-child(n+3){border-top:1px solid rgba(17,17,19,.18)}}

/* sections */
.sec{padding:clamp(80px,10vw,140px) 0;position:relative}
.light{background:var(--concrete);color:var(--ink);
  background-image:radial-gradient(rgba(0,0,0,.035) 1px,transparent 1.2px),radial-gradient(rgba(255,255,255,.4) 1px,transparent 1.2px);background-size:7px 7px,11px 11px}
.dark-2{background:var(--char-2)}
.sec-head{display:grid;grid-template-columns:1fr .85fr;gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(40px,6vw,72px)}
.sec-head p{margin:0}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}}
.stamp{display:inline-block;font:600 .85rem/1 var(--f-body);color:var(--gold-lo);border:1.5px solid currentColor;padding:6px 10px;border-radius:3px;transform:rotate(-1.5deg);margin-bottom:18px}
.dark-2 .stamp,.hero .stamp{color:var(--gold)}

/* services */
.services{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1px;background:var(--line-l);border:1px solid var(--line-l)}
.svc{background:var(--concrete);padding:28px 26px 30px;position:relative;transition:background .25s}
.svc:hover{background:#efeeeb}
.svc svg{width:40px;height:40px;color:var(--gold-lo);margin-bottom:18px}
.svc h3{font-size:1.35rem;margin-bottom:8px;color:var(--ink)}
.svc p{margin:0;color:var(--ink-2);font-size:.96rem}
.svc--hero{grid-column:span 2;background:var(--char);color:#fff}
.svc--hero:hover{background:var(--char-3)}
.svc--hero h3{color:var(--gold-hi);font-size:1.7rem}
.svc--hero p{color:#bdbab4}
.svc--hero svg{color:var(--gold)}
@media (max-width:620px){.svc--hero{grid-column:auto}}

/* scroll build */
.build{height:720vh;position:relative;background:#bfd2e6}
.build-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.build canvas{position:absolute;inset:0;width:100%;height:100%}
.build-panel{position:absolute;z-index:2;left:var(--pad);top:calc(50% + 39px);transform:translateY(-50%);max-height:calc(100vh - 110px);overflow:auto;width:min(430px,40vw);background:rgba(17,17,19,.9);color:#fff;padding:30px 30px 26px;border-radius:6px;border-top:3px solid var(--gold)}
.build-panel h2{font-size:clamp(1.6rem,2.4vw,2.2rem);margin-bottom:6px}
.build-panel>p{color:#bdbab4;font-size:.95rem;margin-bottom:18px}
.stages{list-style:none;margin:0;padding:0 0 0 22px;position:relative}
.build-progress{position:absolute;left:0;top:6px;bottom:6px;width:2px;background:rgba(255,255,255,.12)}
.build-progress i{position:absolute;inset:0;background:var(--gold);transform-origin:top;transform:scaleY(0)}
.stages li{padding:7px 0;color:#8a8780;transition:color .3s}
.stages li b{display:block;font-weight:600;font-size:.98rem}
.stages li span{display:block;max-height:0;overflow:hidden;font-size:.9rem;color:#cfccc6;transition:max-height .5s var(--ease),margin .5s}
.stages li.done{color:#cfccc6}
.stages li.on{color:#fff}.stages li.on b{color:var(--gold-hi)}
.stages li.on span{max-height:90px;margin-top:4px}
@media (max-width:860px){
  .build{height:640vh}
  .build-panel{top:auto;bottom:16px;transform:none;left:12px;right:12px;width:auto;padding:18px 18px 14px}
  .build-panel>p{display:none}
  .stages li{display:none;padding:2px 0}
  .stages li.on{display:block}
  .build-progress{display:none}.stages{padding:0}
}

/* packages + calculator */
.pk-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:22px;align-items:stretch}
@media (max-width:1060px){.pk-grid{grid-template-columns:1fr 1fr}.calc{grid-column:1/-1}}
@media (max-width:680px){.pk-grid{grid-template-columns:1fr}}
.pk{background:#fff;color:var(--ink);border-radius:6px;padding:30px 28px;display:flex;flex-direction:column;border:1px solid var(--line-l)}
.pk h3{font-size:1.5rem}
.pk .price{font:700 clamp(2.4rem,4vw,3.2rem)/1 var(--f-head);margin:16px 0 4px;color:var(--ink)}
.pk .price small{font:500 1rem var(--f-body);color:var(--ink-3)}
.pk .note{color:var(--ink-3);font-size:.9rem;margin-bottom:18px}
.pk ul{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:9px;font-size:.96rem}
.pk li{display:grid;grid-template-columns:20px 1fr;gap:10px}
.pk li::before{content:"";width:14px;height:14px;margin-top:5px;background:var(--gold);clip-path:polygon(0 55%,15% 40%,40% 62%,85% 10%,100% 25%,40% 92%)}
.pk .btn{margin-top:auto}
.pk--full{background:var(--char);color:#fff;border-color:var(--char)}
.pk--full .price{color:var(--gold-hi)}.pk--full .note{color:#9f9c96}.pk--full h3{color:#fff}
.calc{background:var(--char-2);color:#fff;border-radius:6px;padding:30px 28px;border-top:4px solid var(--gold)}
.calc h3{font-size:1.5rem;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font:400 1rem var(--f-body);padding:12px 13px;border-radius:4px;border:1.5px solid #3a3a40;background:#101012;color:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--gold)}
.light .field input,.light .field select,.light .field textarea{background:#fff;color:var(--ink);border-color:#c9c6c0}
.range-row{display:flex;gap:12px;align-items:center}
.range-row input[type=range]{flex:1;accent-color:var(--gold);padding:0;border:0;background:none}
.range-row input[type=number]{width:110px}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.seg label{margin:0}
.seg label{position:relative}
.seg input{position:absolute;opacity:0;pointer-events:none;width:1px!important;height:1px;padding:0;left:0;top:0}
.seg span{display:block;text-align:center;padding:10px 4px;border:1.5px solid #3a3a40;border-radius:4px;font-weight:600;font-size:.9rem;cursor:pointer}
.seg input:checked+span{border-color:var(--gold);background:rgba(217,169,58,.15);color:var(--gold-hi)}
.seg input:focus-visible+span{outline:2px solid var(--gold-hi)}
.seg--2{grid-template-columns:1fr 1fr}
.result{border-top:1px dashed #3a3a40;margin-top:8px;padding-top:18px}
.result .big{font:700 clamp(2.2rem,4vw,3rem)/1 var(--f-head);color:var(--gold-hi)}
.result .sub{color:#b3b0aa;font-size:.92rem;margin:8px 0 18px}
.result .rows{display:grid;gap:4px;font-size:.93rem;color:#cfccc6;margin-bottom:18px}
.result .rows div{display:flex;justify-content:space-between}
.fine{font-size:.82rem;color:#8f8c86;margin:14px 0 0}

/* showcase */
.show{position:relative;height:min(92vh,860px);min-height:560px;overflow:hidden;background:#9fc1e6}
.show canvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab}
.show canvas:active{cursor:grabbing}
.show-ui{position:absolute;z-index:2;left:var(--pad);top:clamp(24px,5vh,56px);max-width:440px;background:rgba(17,17,19,.88);color:#fff;border-radius:6px;padding:26px}
.show-ui h2{font-size:clamp(1.6rem,2.6vw,2.4rem);margin-bottom:8px}
.show-ui p{color:#bdbab4;font-size:.95rem}
.show-ctrl{display:flex;flex-wrap:wrap;gap:8px}
.show-ctrl button{font:600 .9rem var(--f-body);padding:10px 14px;border-radius:4px;border:1.5px solid #4a4a50;background:#18181b;color:#fff;cursor:pointer}
.show-ctrl button:hover{border-color:var(--gold)}
.show-ctrl button[aria-pressed="true"]{background:var(--gold);color:var(--char);border-color:var(--gold)}
.zoom{position:absolute;z-index:2;right:var(--pad);bottom:28px;display:flex;flex-direction:column;gap:6px}
.zoom button{width:44px;height:44px;border-radius:4px;border:0;background:rgba(17,17,19,.85);color:#fff;font-size:1.4rem;cursor:pointer}
.drag-hint{position:absolute;z-index:2;left:50%;bottom:26px;transform:translateX(-50%);background:rgba(17,17,19,.75);color:#fff;padding:8px 14px;border-radius:30px;font-size:.85rem;pointer-events:none}
@media (max-width:760px){.show-ui{left:12px;right:12px;top:12px;max-width:none;padding:18px}.show-ui p{display:none}.drag-hint{bottom:80px}}

/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-d)}
.why>div{padding:34px 28px 34px 0;border-bottom:1px solid var(--line-d)}
.why>div:not(:nth-child(3n+1)){padding-left:28px;border-left:1px solid var(--line-d)}
.why h3{font-size:1.4rem;margin-bottom:8px;color:#fff}
.why p{color:#b3b0aa;margin:0}
.why .n{font:700 3rem/1 var(--f-head);color:var(--gold);display:block;margin-bottom:14px}
@media (max-width:900px){.why{grid-template-columns:1fr 1fr}.why>div{padding-left:0!important;border-left:0!important;padding-right:20px}}
@media (max-width:560px){.why{grid-template-columns:1fr}}

/* areas */
.areas{display:flex;flex-wrap:wrap;gap:10px}
.areas span{padding:9px 16px;border-radius:40px;background:#fff;border:1px solid var(--line-l);font-weight:500;font-size:.95rem}

/* faq */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line-l)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font:700 1.2rem/1.3 var(--f-head);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:30px;width:14px;height:14px;border-right:2.5px solid var(--gold-lo);border-bottom:2.5px solid var(--gold-lo);transform:rotate(45deg);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(-135deg);top:36px}
.faq p{color:var(--ink-2);padding-bottom:18px;margin:0;max-width:70ch}

/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,80px)}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.c-list{display:grid;gap:12px;margin-top:28px}
.c-list a,.c-list div{display:flex;gap:14px;align-items:center;padding:16px 18px;border:1px solid var(--line-d);border-radius:5px;text-decoration:none}
.c-list a:hover{border-color:var(--gold)}
.c-list svg{width:26px;height:26px;color:var(--gold);flex:none}
.c-list small{display:block;color:#9f9c96;font-size:.82rem}
.c-list b{font-weight:600}
.form-card{background:var(--char-2);border-radius:6px;padding:clamp(24px,3vw,38px);border-top:4px solid var(--gold)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-grid .full{grid-column:1/-1}
@media (max-width:560px){.form-grid{grid-template-columns:1fr}}
.form-err{background:#3a1d1a;color:#f3b7ae;border-radius:4px;padding:10px 14px;margin-bottom:14px;font-size:.93rem}

/* footer */
.foot{background:#0b0b0c;padding:70px 0 calc(28px + env(safe-area-inset-bottom,0px));color:#9f9c96;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot img{width:150px;margin-bottom:16px}
.foot h4{font:600 .95rem var(--f-body);color:var(--gold);margin-bottom:14px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot a{text-decoration:none}.foot a:hover{color:#fff}
.foot-base{border-top:1px solid var(--line-d);margin-top:44px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.85rem}
.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;width:58px;height:58px;border-radius:50%;background:#1fa855;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.4)}
.wa-float svg{width:30px;height:30px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;scroll-behavior:auto!important}}
.pk-grid>*{min-width:0}
.calc .btn,.pk .btn{white-space:normal;text-align:center;line-height:1.25}
.range-row input[type=number]{min-width:0}
@media (max-width:420px){.seg span{font-size:.82rem;padding:10px 2px}.range-row input[type=number]{width:88px}}