/* Rana Electric & Solar Traders — concept preview */
:root{
  --paper:#f4efe6;
  --paper-2:#ebe4d6;
  --ink:#14181f;
  --navy:#0e1624;
  --navy-2:#162235;
  --amber:#e8a317;
  --amber-deep:#9c6a00;
  --muted:#565b63;
  --line:rgba(20,24,31,.2);
  --line-light:rgba(244,239,230,.2);
  --serif:"Instrument Serif","Iowan Old Style",Georgia,serif;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --gutter:clamp(20px,4vw,56px);
  --max:1280px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p,dl,dd,figure{margin:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px}

/* ---------- Top bar ---------- */
.topbar{background:var(--ink);color:#cfcabd;font:400 .72rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.topbar-in{display:flex;justify-content:space-between;gap:16px;padding-block:10px}
.topbar a{text-decoration:none;color:var(--amber)}
.topbar a:hover{text-decoration:underline}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;font:600 .84rem/1 var(--sans);letter-spacing:.04em;text-transform:uppercase;text-decoration:none;padding:15px 22px;border:1px solid transparent;border-radius:2px;cursor:pointer;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:var(--navy)}
.btn-amber:hover{background:#f5b82e}
.btn-ghost{border-color:var(--line-light);color:var(--paper)}
.btn-ghost:hover{border-color:var(--paper);background:rgba(244,239,230,.08)}
.btn-wa{background:var(--ink);color:var(--paper);padding:12px 18px}
.btn-wa:hover{background:var(--navy-2)}
.btn-line{border-color:var(--ink);color:var(--ink);white-space:nowrap;padding:13px 18px}
.btn-line:hover{background:var(--ink);color:var(--paper)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(244,239,230,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 24px -16px rgba(0,0,0,.35)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.wordmark{display:flex;align-items:center;gap:12px;text-decoration:none}
.wm-mark{width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 50% 50%,var(--amber) 0 38%,transparent 40%),conic-gradient(from 0deg,var(--ink) 0 12.5%,transparent 0 25%,var(--ink) 0 37.5%,transparent 0 50%,var(--ink) 0 62.5%,transparent 0 75%,var(--ink) 0 87.5%,transparent 0);flex:none;border:1px solid var(--ink)}
.wm-text{display:flex;flex-direction:column;line-height:1}
.wm-l1{font:700 1.02rem/1 var(--sans);letter-spacing:.14em}
.wm-l2{font:500 .64rem/1 var(--mono);letter-spacing:.2em;margin-top:5px;color:var(--amber-deep)}
.nav{display:flex;align-items:center;gap:28px}
.nav ul{display:flex;gap:26px}
.nav ul a{font:500 .88rem/1 var(--sans);text-decoration:none;position:relative;padding:6px 0}
.nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav ul a:hover::after,.nav ul a.active::after{transform:scaleX(1)}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--ink);background:transparent;border-radius:2px;cursor:pointer;padding:0}
.bars{display:flex;flex-direction:column;gap:5px;align-items:center}
.bars i{display:block;width:20px;height:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s}
.menu-btn[aria-expanded="true"] .bars i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .bars i:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] .bars i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:var(--paper);overflow:hidden;padding-top:clamp(36px,6vw,80px)}
.hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(var(--line-light) 1px,transparent 1px),linear-gradient(90deg,var(--line-light) 1px,transparent 1px);background-size:80px 80px;opacity:.14;-webkit-mask:linear-gradient(to bottom,#000,transparent 85%);mask:linear-gradient(to bottom,#000,transparent 85%)}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(8px,2vw,32px);align-items:center;min-height:min(80vh,780px)}
.eyebrow{display:flex;align-items:center;gap:10px;font:500 .74rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#d9c9a3}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(232,163,23,.2);animation:pulse 3s ease-in-out infinite}
.hero h1{font:400 clamp(3.4rem,7.4vw,7rem)/.92 var(--serif);letter-spacing:-.025em;margin:24px 0 26px}
.ln{display:block;overflow:hidden;padding-bottom:.08em}
.ln>span{display:block;animation:rise 1.1s var(--ease) both}
.ln:nth-child(2)>span{animation-delay:.12s}
.ln:nth-child(3)>span{animation-delay:.26s}
.hero h1 em{color:var(--amber);font-style:italic}
.ln-sm{font-size:.46em;letter-spacing:-.005em;margin-top:.3em;color:#e6dfd0;position:relative;padding-left:1.7em}
.ln-sm::before{content:"";position:absolute;left:0;top:.62em;width:1.2em;height:1px;background:var(--amber)}
.hero-sub{max-width:34ch;font-size:clamp(1.05rem,1.5vw,1.2rem);color:#d6d2c8}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

.stage{position:relative;width:100%;max-width:640px;justify-self:end}
.hero-art{width:100%;height:auto;overflow:visible}
.lbl{font:400 11px/1 var(--mono);letter-spacing:.16em}
.sun-par{transition:transform .8s var(--ease);transform:translate(calc(var(--px,0) * -16px),calc(var(--py,0) * -10px))}
.array-par{transition:transform .8s var(--ease);transform:translate(calc(var(--px,0) * 10px),calc(var(--py,0) * 6px))}
.sheen-move{animation:sheen 20s linear infinite}

.hero-ledger{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-light);margin-top:clamp(12px,3vw,40px)}
.hero-ledger li{padding:18px 16px 22px 16px;font:500 .8rem/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:#d6d2c8;border-right:1px solid var(--line-light)}
.hero-ledger li:first-child{padding-left:0}
.hero-ledger li:last-child{border-right:0}
.hero-ledger span{display:block;font:400 .68rem/1 var(--mono);color:var(--amber);margin-bottom:8px}

/* ---------- Shared section ---------- */
.section{padding:clamp(64px,10vw,128px) 0}
.sec-label{font:500 .76rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:12px}
.sec-label span{color:var(--amber-deep);border:1px solid currentColor;padding:4px 6px}
.sec-label.light{color:#bdb8ac}
.sec-label.light span{color:var(--amber)}
.sec-head{display:grid;gap:18px;max-width:760px;margin-bottom:clamp(36px,5vw,64px)}
h2{font:400 clamp(2.2rem,4.8vw,4rem)/1.02 var(--serif);letter-spacing:-.015em}
h3{font:600 1.1rem/1.25 var(--sans)}
.lead{font-size:clamp(1.1rem,1.7vw,1.35rem);line-height:1.5}
.note{color:var(--muted);max-width:60ch;font-size:1rem}
.mono-label{font:500 .72rem/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.fine{font-size:.84rem;color:var(--muted);line-height:1.5}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:180px minmax(0,1.4fr) minmax(0,.8fr);gap:clamp(24px,4vw,56px);align-items:start}
.about-main{display:grid;gap:22px}
.about-main p:not(.lead){color:#3d424a;max-width:54ch}
.about-side{border-left:1px solid var(--ink);padding-left:24px;display:grid;gap:16px}
.figures{display:grid;gap:18px}
.figures dt{font:500 .76rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber-deep);margin-bottom:6px}
.figures dd{font-size:.95rem}
.figures strong{font:400 1.9rem/1 var(--serif);margin-right:4px}

/* ---------- Catalogue ---------- */
.products{background:var(--paper-2);border-block:1px solid var(--line)}
.pgrid{display:grid;grid-template-columns:repeat(12,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
.pcard{display:flex;flex-direction:column;background:var(--paper);border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);min-width:0}
.pc-a{grid-column:span 7}
.pc-b{grid-column:span 5}
.pc-c,.pc-d,.pc-e{grid-column:span 4}
.pfig{position:relative;flex:none;display:grid;place-items:center;color:var(--ink);overflow:hidden;background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/40px 40px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/40px 40px,
  var(--paper-2);
  border-bottom:1px solid var(--ink)}
.pc-a .pfig,.pc-b .pfig{height:clamp(240px,27vw,360px)}
.pc-c .pfig,.pc-d .pfig,.pc-e .pfig{height:clamp(200px,19vw,260px)}
.pfig svg{height:84%;width:auto;max-width:92%;transition:transform .6s var(--ease)}
.pcard:hover .pfig svg{transform:translateY(-6px)}
.pno{position:absolute;left:14px;top:12px;font:500 .72rem/1 var(--mono);letter-spacing:.14em;color:var(--muted)}
.pbody{flex:1;display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding:20px 22px 22px;flex-wrap:wrap;min-height:130px}
.pbody h3{font:400 clamp(1.7rem,2.6vw,2.3rem)/1.05 var(--serif);margin-bottom:6px}
.pbody p{color:#3d424a;font-size:.95rem;max-width:30ch}

/* ---------- Brands ---------- */
.brands{background:var(--ink);color:var(--paper)}
.brands-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,64px);align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.brands-head .sec-label{margin-bottom:20px}
.brands-head p{color:#cfcabd;max-width:38ch;justify-self:end}
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-light);border-left:1px solid var(--line-light)}
.brand-grid li{min-height:150px;padding:18px;border-right:1px solid var(--line-light);border-bottom:1px solid var(--line-light);display:flex;flex-direction:column;justify-content:space-between;transition:background .3s,color .3s}
.brand-grid li:hover{background:var(--navy-2);color:var(--amber)}
.b-idx{font:400 .7rem/1 var(--mono);color:#9d9a90}
.b-name{font:400 clamp(1.6rem,2.8vw,2.4rem)/1.05 var(--serif)}
.brands-foot{margin-top:18px;font:400 .72rem/1.4 var(--mono);letter-spacing:.1em;color:#9d9a90;text-transform:uppercase}

/* ---------- Connections ---------- */
.connections{background:var(--navy);color:var(--paper);position:relative;overflow:hidden}
.conn-grid{position:relative;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(32px,6vw,88px);align-items:center}
.conn-copy{display:grid;gap:22px;justify-items:start}
.conn-copy p{color:#d6d2c8;max-width:46ch}
.conn-copy .lead{color:var(--paper)}
.conn-fig{border:1px solid var(--line-light);background:linear-gradient(160deg,rgba(244,239,230,.05),rgba(244,239,230,0));padding:clamp(8px,2vw,20px)}
.conn-fig svg{width:100%;height:auto}
.d-num{font:400 150px/1 var(--serif);fill:none;stroke:#e8a317;stroke-width:1.3}
.d-mon{font:500 15px/1 var(--mono);letter-spacing:.42em;fill:#d9c9a3}
.n-lbl{font:500 11px/1 var(--mono);letter-spacing:.14em;fill:#d6d2c8}
.lbl-sm{font:400 11px/1 var(--mono);letter-spacing:.2em;fill:#9d9a90}
.pulse{animation:flow 5s linear infinite}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink)}
.why-item{padding:28px 24px 8px 0;display:grid;gap:12px;align-content:start}
.why-item+.why-item{border-left:1px solid var(--line);padding-left:24px}
.why-no{font:italic 400 2.6rem/1 var(--serif);color:var(--amber-deep)}
.why-item p{color:#3d424a;font-size:.96rem}

/* ---------- Contact ---------- */
.contact{background:var(--ink);color:var(--paper)}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,88px)}
.contact-info{display:grid;gap:26px;align-content:start}
address{font-style:normal}
address dl{display:grid;gap:0;border-top:1px solid var(--line-light)}
address dl>div{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line-light)}
address dt{font:500 .72rem/1.7 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}
address a{text-decoration:none;border-bottom:1px solid var(--line-light);overflow-wrap:anywhere}
address a:hover{border-color:var(--amber)}
.contact .fine{color:#a9a69c}
.contact .fine a{color:var(--paper)}
.action-list{border-top:1px solid var(--line-light)}
.act{display:flex;justify-content:space-between;align-items:center;padding:17px 4px;border-bottom:1px solid var(--line-light);text-decoration:none;font:400 clamp(1.3rem,2.2vw,1.7rem)/1.1 var(--serif);transition:padding .35s var(--ease),color .3s,background .3s}
.act i{font:normal 400 1.1rem/1 var(--sans);color:var(--amber);transition:transform .35s var(--ease)}
.act:hover{padding-left:16px;color:var(--amber)}
.act:hover i{transform:translate(4px,-4px)}
.act-wa{color:var(--amber)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#cfcabd;padding:48px 0 28px;border-top:1px solid var(--line-light)}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px}
.foot-name{font:700 .95rem/1 var(--sans);letter-spacing:.16em;color:var(--paper);margin-bottom:12px}
.foot-small{font-size:.9rem;max-width:44ch}
.foot-small a{text-decoration:none;border-bottom:1px solid var(--line-light)}
.foot-social{display:flex;flex-wrap:wrap;gap:20px;align-self:flex-start}
.foot-social a{font:500 .8rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;text-decoration:none}
.foot-social a:hover{color:var(--amber)}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line-light);font-size:.8rem;color:#a9a69c}
.notice{font-style:italic}

/* ---------- Reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .pc-b,.js .pc-d,.js .why-item:nth-child(2){transition-delay:.08s}
.js .pc-e,.js .why-item:nth-child(3){transition-delay:.16s}
.js .why-item:nth-child(4){transition-delay:.24s}

/* ---------- Keyframes ---------- */
@keyframes rise{from{transform:translateY(105%)}to{transform:none}}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(232,163,23,0)}}
@keyframes sheen{0%,36%{transform:translateX(0)}64%,100%{transform:translateX(640px)}}
@keyframes flow{from{stroke-dashoffset:0}to{stroke-dashoffset:-254}}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .about-grid{grid-template-columns:1fr 1fr}
  .about-grid .sec-label{grid-column:1/-1}
  .pc-a,.pc-b{grid-column:span 6}
  .pc-c,.pc-d{grid-column:span 6}
  .pc-e{grid-column:span 12}
  .pc-e .pfig{height:clamp(200px,28vw,260px)}
  .brand-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .why-item:nth-child(3){border-left:0;padding-left:0}
  .why-item:nth-child(n+3){border-top:1px solid var(--line);margin-top:24px}
}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:fixed;top:72px;left:0;right:0;bottom:0;background:var(--paper);flex-direction:column;align-items:stretch;justify-content:flex-start;gap:24px;padding:28px var(--gutter);transform:translateX(100%);visibility:hidden;transition:transform .45s var(--ease),visibility 0s .45s;overflow-y:auto}
  .nav.open{transform:none;visibility:visible;transition:transform .45s var(--ease)}
  .nav ul{flex-direction:column;gap:0;border-top:1px solid var(--ink)}
  .nav ul a{display:block;font:400 2rem/1 var(--serif);padding:18px 0;border-bottom:1px solid var(--line)}
  .nav ul a::after{display:none}
  .nav-wa{justify-content:center;padding:18px}
  body.menu-open{overflow:hidden}
  .hero-in{grid-template-columns:1fr;min-height:0}
  .stage{justify-self:center;max-width:520px;margin-top:4px}
  .hero-ledger{grid-template-columns:repeat(2,1fr)}
  .hero-ledger li:nth-child(2){border-right:0}
  .hero-ledger li:nth-child(n+3){border-top:1px solid var(--line-light)}
  .hero-ledger li:nth-child(3){padding-left:0}
  .conn-grid,.contact-grid{grid-template-columns:1fr}
  .brands-head{grid-template-columns:1fr}
  .brands-head p{justify-self:start}
}
@media (max-width:700px){
  .pc-a,.pc-b,.pc-c,.pc-d,.pc-e{grid-column:span 12}
  .pc-a .pfig,.pc-b .pfig,.pc-c .pfig,.pc-d .pfig,.pc-e .pfig{height:220px}
}
@media (max-width:620px){
  body{font-size:16px}
  .topbar-in span{display:none}
  .topbar-in{justify-content:flex-end}
  .about-grid{grid-template-columns:1fr}
  .about-side{border-left:0;border-top:1px solid var(--ink);padding:20px 0 0}
  .wm-l1{font-size:.88rem;letter-spacing:.1em}
  .wm-l2{font-size:.56rem}
  .hero-cta .btn{flex:1 1 100%;justify-content:center}
  .why-grid{grid-template-columns:1fr}
  .why-item,.why-item+.why-item{border-left:0;padding-left:0}
  .why-item+.why-item{border-top:1px solid var(--line);margin-top:20px}
  .brand-grid li{min-height:116px}
  address dl>div{grid-template-columns:1fr;gap:4px}
  .lbl{font-size:13px}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .js .reveal{opacity:1;transform:none}
  .sheen-move{transform:translateX(300px)}
}