/*
Theme Name: Royan Rasa Electronic
Theme URI: https://rre.co.ir
Author: Royan Rasa Electronic
Author URI: https://rre.co.ir
Description: قالب اختصاصی وردپرس برای شرکت رویان رسا الکترونیک — طراحی و ساخت دستگاه‌های تست خطوط تولید خودرو (تست نشتی، فتومتریک، دوام لامپ، وایرست و اتوماسیون صنعتی).
Version: 1.0
Requires at least: 5.8
Requires PHP: 7.4
Text Domain: royan-rasa
*/

/* ============================================================
   THIS FILE MUST STAY THE MAIN STYLESHEET FOR WORDPRESS TO
   RECOGNIZE THE THEME. All site CSS lives below the header.
   ============================================================ */

:root{
  --bg-0:#0D1116; --bg-1:#141A21; --bg-2:#1B232C;
  --line:#2B3641; --line-soft:#212a33;
  --ink-0:#EAEFF3; --ink-1:#B7C2CC; --ink-2:#7C8894;
  --beam:#F2A93B; --brand:#009EE0; --radius:3px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg-0); color:var(--ink-0); font-family:'Vazirmatn',sans-serif; line-height:1.75; overflow-x:hidden;}
.mono{font-family:'JetBrains Mono','Vazirmatn',monospace; direction:ltr; unicode-bidi:embed;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
.grid-bg{position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:42px 42px; opacity:.3;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);}

header{position:sticky; top:0; z-index:50; background:rgba(13,17,22,.9); backdrop-filter:blur(10px); border-bottom:1px solid var(--line);}
nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0; position:relative;}
.logo{display:flex; align-items:center; gap:11px; font-weight:800; font-size:16.5px;}
.logo-mark{width:38px; height:38px; flex-shrink:0;}
.logo small{display:block; font-family:'JetBrains Mono',monospace; direction:ltr; font-size:8.5px; color:var(--ink-2); font-weight:500; letter-spacing:1.2px; margin-top:2px;}
.navlinks{display:flex; flex-wrap:wrap; gap:18px 26px; font-size:14px; color:var(--ink-1); align-items:center;}
.navlinks>a{position:relative; padding:6px 0; transition:color .2s; white-space:nowrap;}
.navlinks>a:hover, .navlinks>a.active{color:var(--ink-0);}
.navlinks>a.active{color:var(--beam);}
.has-dd{position:relative;}
.dd{position:absolute; top:100%; right:0; background:var(--bg-1); border:1px solid var(--line); border-radius:6px;
  min-width:260px; padding:8px; display:none; flex-direction:column; gap:2px; box-shadow:0 20px 40px -14px rgba(0,0,0,.6); z-index:60;}
.has-dd:hover .dd, .has-dd:focus-within .dd{display:flex;}
.dd a{padding:9px 12px; border-radius:4px; font-size:13.5px; color:var(--ink-1); transition:background .15s, color .15s;}
.dd a:hover{background:var(--bg-2); color:var(--ink-0);}

/* mobile-only collapsible menu, built with <details>/<summary> —
   opens and closes using native browser behaviour, no JS involved */
.mobile-nav{display:none;}
.mobile-nav-btn{list-style:none; display:flex; align-items:center; justify-content:center; width:40px; height:40px; border:1px solid var(--line); border-radius:6px; cursor:pointer; -webkit-tap-highlight-color:transparent;}
.mobile-nav-btn::-webkit-details-marker{display:none;}
.mobile-nav-btn span, .mobile-nav-btn span::before, .mobile-nav-btn span::after{content:"";display:block;width:18px;height:2px;background:var(--ink-0);position:relative;transition:transform .2s,opacity .2s;}
.mobile-nav-btn span::before{position:absolute; top:-6px;}
.mobile-nav-btn span::after{position:absolute; top:6px;}
.mobile-nav[open] .mobile-nav-btn span{background:transparent;}
.mobile-nav[open] .mobile-nav-btn span::before{transform:translateY(6px) rotate(45deg);}
.mobile-nav[open] .mobile-nav-btn span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-nav-panel{position:absolute; top:100%; right:0; left:0; background:var(--bg-1); border-bottom:1px solid var(--line);
  display:flex; flex-direction:column; padding:8px 20px 20px; box-shadow:0 20px 40px -14px rgba(0,0,0,.6); max-height:75vh; overflow-y:auto;}
.mobile-nav-panel a{padding:12px 0; border-bottom:1px solid var(--line-soft); color:var(--ink-1); font-size:14.5px;}
.mobile-nav-panel a.sub{padding-right:14px; font-size:13px; color:var(--ink-2);}

.btn{display:inline-flex; align-items:center; gap:8px; padding:10px 20px; border:1px solid var(--beam); color:var(--bg-0); background:var(--beam); font-size:13.5px; font-weight:700; border-radius:var(--radius); transition:all .2s; white-space:nowrap;}
.btn:hover{background:transparent; color:var(--beam);}
.btn-ghost{background:transparent; color:var(--ink-0); border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink-1);}
.navcta{display:inline-flex;}

/* small screens: hide the desktop row, show the details-based menu —
   placed AFTER .navcta's base rule on purpose, so this override always
   wins the cascade (same specificity + later source position) */
@media(max-width:959px){
  .navlinks, .navcta{display:none;}
  .mobile-nav{display:block;}
}

section{position:relative; z-index:1;}

/* breadcrumb / page header (product & static pages) */
.pagehead{padding:64px 0 44px; border-bottom:1px solid var(--line);}
.crumb{font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; letter-spacing:1.5px; color:var(--brand); margin-bottom:16px; display:flex; gap:8px; align-items:center;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--ink-0);}
.pagehead h1{font-size:clamp(26px,3.4vw,40px); font-weight:800; line-height:1.4; max-width:820px;}
.pagehead p.sub{color:var(--ink-1); margin-top:14px; font-size:15px; max-width:70ch;}

.content{padding:64px 0;}
.content-grid{display:grid; grid-template-columns:1fr; gap:48px;}
@media(min-width:960px){.content-grid{grid-template-columns:1.5fr 1fr;}}

.device-visual{background:var(--bg-1); border:1px solid var(--line); border-radius:8px; padding:30px; position:sticky; top:100px;}
.device-visual .cap{font-family:'JetBrains Mono',monospace; direction:ltr; font-size:10.5px; color:var(--ink-2); letter-spacing:1px; margin-top:16px; padding-top:14px; border-top:1px solid var(--line-soft); text-align:center;}

.prose h2{font-size:21px; font-weight:800; margin:36px 0 14px; color:var(--ink-0);}
.prose h2:first-child{margin-top:0;}
.prose p{color:var(--ink-1); font-size:15px; margin-bottom:14px;}
.prose ul{margin:6px 0 18px; padding-right:22px; display:flex; flex-direction:column; gap:8px;}
.prose ul li{color:var(--ink-1); font-size:14.5px; position:relative;}
.prose strong{color:var(--ink-0); font-weight:700;}

.spec-highlights{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:6px; overflow:hidden; margin:20px 0 8px;}
@media(min-width:640px){.spec-highlights{grid-template-columns:repeat(3,1fr);}}
.spec-highlights div{background:var(--bg-1); padding:18px 16px;}
.spec-highlights b{display:block; font-family:'JetBrains Mono',monospace; direction:ltr; color:var(--brand); font-size:17px; font-weight:600;}
.spec-highlights span{display:block; font-size:11.5px; color:var(--ink-2); margin-top:5px; line-height:1.5;}

.feature-list{display:flex; flex-direction:column; gap:0; border-top:1px solid var(--line); margin-top:12px;}
.feature-list .fi{display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line); align-items:flex-start;}
.feature-list .fi svg{width:20px; height:20px; flex-shrink:0; margin-top:2px;}
.feature-list .fi div b{display:block; font-size:14px; color:var(--ink-0); margin-bottom:3px;}
.feature-list .fi div span{font-size:13px; color:var(--ink-2);}

.cta-strip{background:var(--bg-1); border:1px solid var(--line); border-radius:8px; padding:32px; margin-top:44px; display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:18px;}
.cta-strip p{font-size:15px; color:var(--ink-1); max-width:44ch;}
.cta-strip b{color:var(--ink-0); display:block; font-size:16.5px; margin-bottom:6px;}

.related{padding:70px 0; border-top:1px solid var(--line); background:var(--bg-1);}
.related .sec-tag{font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; letter-spacing:1.8px; color:var(--beam); margin-bottom:14px; display:block;}
.related h2{font-size:22px; font-weight:800; margin-bottom:28px;}
.rel-grid{display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:6px; overflow:hidden;}
@media(min-width:640px){.rel-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1000px){.rel-grid{grid-template-columns:1fr 1fr 1fr;}}
.rel-card{background:var(--bg-0); padding:22px 20px; display:flex; flex-direction:column; gap:10px; transition:background .2s;}
.rel-card:hover{background:#161d25;}
.rel-card svg{width:30px;height:30px;}
.rel-card b{font-size:13.5px; color:var(--ink-0); font-weight:700; line-height:1.6;}

footer{border-top:1px solid var(--line); padding:34px 0;}
footer .wrap{display:flex; flex-wrap:wrap; justify-content:space-between; gap:16px; align-items:center;}
footer p{font-size:12.5px; color:var(--ink-2);}
.foot-links{display:flex; gap:22px; font-size:12.5px; color:var(--ink-2); flex-wrap:wrap;}
.foot-links a:hover{color:var(--ink-0);}

::selection{background:var(--beam); color:var(--bg-0);}
:focus-visible{outline:2px solid var(--beam); outline-offset:2px;}
@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms !important; animation-iteration-count:1 !important;}}

/* ---- shared instrument / gonio chart (home only) ---- */
.instrument{background:var(--bg-1); border:1px solid var(--line); border-radius:6px; padding:22px 22px 16px; position:relative; overflow:hidden; box-shadow:0 20px 60px -20px rgba(0,0,0,.5);}
.scan-shine{position:absolute; inset:0; pointer-events:none; background:linear-gradient(180deg, transparent 0%, rgba(255,255,255,.045) 45%, transparent 55%); background-size:100% 260%; animation:scan 5.5s linear infinite; mix-blend-mode:overlay;}
@keyframes scan{0%{background-position:0 -100%;}100%{background-position:0 260%;}}
.instrument-head{display:flex; justify-content:space-between; align-items:baseline; font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; color:var(--ink-2); letter-spacing:.5px; margin-bottom:6px; padding-bottom:12px; border-bottom:1px solid var(--line-soft);}
.instrument-head .live{color:var(--beam); display:flex; align-items:center; gap:6px;}
.instrument-head .live i{width:6px;height:6px;border-radius:50%;background:var(--beam); display:inline-block; animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.22;}}
.gonio-caption{display:flex; justify-content:space-between; font-family:'JetBrains Mono',monospace; direction:ltr; font-size:10.5px; color:var(--ink-2); padding-top:10px; border-top:1px solid var(--line-soft); margin-top:6px;}
.gonio-caption b{color:var(--brand); font-weight:600;}
.beam-path{stroke:var(--beam); stroke-width:2.25; fill:none; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:1400; stroke-dashoffset:1400; animation:draw 2.4s cubic-bezier(.2,.7,.2,1) .2s forwards; filter:drop-shadow(0 0 5px rgba(242,169,59,.5));}
.beam-fill{fill:url(#beamGrad); opacity:0; animation:fadein 1.2s ease-out 1.6s forwards;}
.beam-path-2{stroke:var(--brand); stroke-width:2; fill:none; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:1100; stroke-dashoffset:1100; animation:draw 2.2s cubic-bezier(.2,.7,.2,1) 1.9s forwards; opacity:.9;}
.beam-fill-2{fill:url(#beamGrad2); opacity:0; animation:fadein 1.1s ease-out 3.3s forwards;}
.legend{opacity:0; animation:fadein 1s ease-out 3.6s forwards;}
@keyframes draw{to{stroke-dashoffset:0;}}
@keyframes fadein{to{opacity:1;}}
.node{opacity:0; animation:nodein .5s ease-out forwards; fill:var(--beam);}
@keyframes nodein{to{opacity:1;}}
.sweep-wrap{transform-origin:320px 320px; animation:sweep 4.2s linear infinite;}
@keyframes sweep{from{transform:rotate(-88deg);}to{transform:rotate(88deg);}}

/* headlamp cut-off alignment animation (home hero) — pure position shift, no rotation */
.beam-anim{animation:cutoffSettle 5.5s cubic-bezier(.32,.68,.3,1) infinite;}
@keyframes cutoffSettle{
  0%{transform:translate(-92px,-64px);}
  22%{transform:translate(44px,-20px);}
  44%{transform:translate(-27px,19px);}
  66%{transform:translate(11px,-9px);}
  85%,100%{transform:translate(0,0);}
}
.lock-pulse{transform-origin:0 0; animation:lockPulse 5.5s ease-out infinite;}
@keyframes lockPulse{
  0%,78%{r:4; opacity:0; stroke-width:2;}
  86%{r:4; opacity:1; stroke-width:2;}
  100%{r:22; opacity:0; stroke-width:.5;}
}

.hero{padding:80px 0 52px; display:grid; grid-template-columns:1fr; gap:48px; position:relative; overflow:hidden;}
@media(min-width:960px){.hero{grid-template-columns:1.05fr .95fr; align-items:center; padding:100px 0 72px;}}
.eyebrow{display:inline-flex; align-items:center; gap:9px; font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; letter-spacing:1.8px; color:var(--brand); border:1px solid rgba(0,158,224,.35); background:rgba(0,158,224,.08); padding:6px 12px; border-radius:20px; margin-bottom:22px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand); box-shadow:0 0 8px 1px rgba(0,158,224,.8);}
h1.hero-h1{font-size:clamp(30px,4.2vw,48px); font-weight:800; line-height:1.4; letter-spacing:-.4px; color:var(--ink-0); margin-bottom:20px;}
h1.hero-h1 .hl{color:var(--beam);}
.hero p.lead{font-size:16px; color:var(--ink-1); max-width:54ch; margin-bottom:32px;}
.hero-ctas{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:44px;}
.stat-row{display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); padding-top:20px; gap:16px;}
.stat b{display:block; font-family:'JetBrains Mono',monospace; direction:ltr; text-align:right; font-size:20px; font-weight:600; color:var(--ink-0);}
.stat b span{color:var(--beam);}
.stat small{display:block; font-size:11.5px; color:var(--ink-2); margin-top:5px; line-height:1.5;}

.sec-head{max-width:660px; margin-bottom:46px;}
.sec-tag{font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; letter-spacing:1.8px; color:var(--beam); margin-bottom:14px; display:block;}
.sec-head h2{font-size:clamp(24px,3vw,33px); font-weight:800; color:var(--ink-0); line-height:1.45;}
.sec-head p{color:var(--ink-1); margin-top:14px; font-size:14.5px; max-width:60ch;}

.capabilities{padding:88px 0; border-top:1px solid var(--line);}
.cap-grid{display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:6px; overflow:hidden;}
@media(min-width:860px){.cap-grid{grid-template-columns:1fr 1fr 1fr;}}
.cap-card{background:var(--bg-1); padding:32px 26px; display:flex; flex-direction:column; transition:background .2s;}
.cap-card:hover{background:#18202A;}
.cap-icon{width:42px;height:42px; margin-bottom:18px;}
.cap-card h3{font-size:17px; font-weight:700; margin-bottom:10px; color:var(--ink-0);}
.cap-card p{font-size:13px; color:var(--ink-1); margin-bottom:16px; flex-grow:1;}
.tag-list{display:flex; flex-wrap:wrap; gap:8px; border-top:1px solid var(--line-soft); padding-top:14px;}
.tag-list span{font-size:11px; color:var(--brand); font-family:'JetBrains Mono',monospace; direction:ltr; border:1px solid rgba(0,158,224,.32); padding:4px 9px; border-radius:20px;}

.projects{padding:88px 0; border-top:1px solid var(--line); background:var(--bg-1);}
.proj-grid{display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:6px; overflow:hidden;}
@media(min-width:640px){.proj-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1000px){.proj-grid{grid-template-columns:1fr 1fr 1fr 1fr;}}
.proj-card{background:var(--bg-0); padding:24px 20px; display:flex; flex-direction:column; gap:12px; transition:background .2s;}
.proj-card:hover{background:#161d25;}
.proj-card .pnum{font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; color:var(--ink-2);}
.proj-icon{width:32px;height:32px;}
.proj-card h4{font-size:14px; font-weight:700; line-height:1.6; color:var(--ink-0);}
.proj-card .badge{display:inline-block; align-self:flex-start; font-family:'JetBrains Mono',monospace; direction:ltr; font-size:9.5px; letter-spacing:1px; color:var(--bg-0); background:var(--beam); padding:2px 8px; border-radius:20px; margin-top:-4px;}
.proj-card .more{font-size:12px; color:var(--brand); margin-top:auto; padding-top:4px;}

.process{padding:88px 0; border-top:1px solid var(--line);}
.steps{display:flex; flex-direction:column;}
.step{display:flex; align-items:flex-start; gap:18px; padding:22px 0; border-top:1px solid var(--line);}
.step:last-child{border-bottom:1px solid var(--line);}
.step-num{flex:0 0 auto; width:56px; font-family:'JetBrains Mono',monospace; direction:ltr; font-size:22px; font-weight:600; color:var(--line); transition:color .2s; white-space:nowrap;}
.step:hover .step-num{color:var(--brand);}
.step-body{flex:1 1 0%; min-width:0;}
.step h4{font-size:15.5px; font-weight:700; margin-bottom:6px; color:var(--ink-0);}
.step p{font-size:13px; color:var(--ink-1); max-width:66ch;}
@media(min-width:760px){
  .step{align-items:flex-start;}
  .step-body{display:flex; align-items:flex-start; gap:24px;}
  .step-body h4{flex:0 0 246px; margin-bottom:0;}
  .step-body p{flex:1 1 0%;}
}

.about-sec{padding:88px 0; border-top:1px solid var(--line); background:var(--bg-1);}
.about-grid{display:grid; grid-template-columns:1fr; gap:40px;}
@media(min-width:900px){.about-grid{grid-template-columns:1fr 1fr;}}
.about-grid p{font-size:14.5px; color:var(--ink-1); margin-bottom:15px;}
.about-facts{display:flex; flex-direction:column; gap:0; border-top:1px solid var(--line);}
.about-facts div{display:flex; justify-content:space-between; padding:15px 0; border-bottom:1px solid var(--line); font-size:13.5px;}
.about-facts span:first-child{color:var(--ink-2);}
.about-facts span:last-child{color:var(--ink-0); font-weight:600; font-family:'JetBrains Mono',monospace; direction:ltr;}

.strip{border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:28px 0; overflow:hidden;}
.strip .wrap{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;}
.strip span{font-family:'JetBrains Mono',monospace; direction:ltr; font-size:11px; color:var(--ink-2); letter-spacing:.8px;}

.contact-sec{padding:90px 0;}
.contact-box{display:grid; grid-template-columns:1fr; gap:40px; background:var(--bg-1); border:1px solid var(--line); padding:40px 32px; border-radius:6px;}
@media(min-width:900px){.contact-box{grid-template-columns:1fr 1fr; padding:48px;}}
.contact-box h2{font-size:clamp(22px,3vw,29px); font-weight:800; margin-bottom:15px; line-height:1.46;}
.contact-box p{color:var(--ink-1); font-size:14px; margin-bottom:24px; max-width:46ch;}
.contact-points{display:flex; flex-direction:column; gap:12px;}
.contact-points div{display:flex; gap:12px; font-size:13.5px; color:var(--ink-1); align-items:flex-start;}
.contact-points b{color:var(--ink-0); font-weight:600;}
form{display:flex; flex-direction:column; gap:14px;}
.field label{display:block; font-size:12px; color:var(--ink-2); margin-bottom:7px;}
.field input, .field textarea{width:100%; background:var(--bg-0); border:1px solid var(--line); color:var(--ink-0); padding:12px 14px; font-family:'Vazirmatn',sans-serif; font-size:13.5px; border-radius:var(--radius); transition:border-color .2s;}
.field input:focus, .field textarea:focus{outline:none; border-color:var(--brand);}
.field textarea{resize:vertical; min-height:90px;}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:14px;}

/* ---- device photo (blueprint sketch) styles ---- */
/* 3D product-card presentation for device photos: a subtle resting
   tilt in 3D space that straightens toward the viewer on hover, plus
   a layered shadow that reads as physical depth/thickness. CSS-only. */
.photo-3d{perspective:1400px; margin-bottom:16px;}
.photo-3d-inner{
  transform:rotateY(-10deg) rotateX(5deg);
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
  border-radius:8px;
}
.photo-3d:hover .photo-3d-inner{transform:rotateY(0deg) rotateX(0deg);}
.device-photo{
  width:100%; display:block; border-radius:8px; background:var(--bg-0);
  border:1px solid var(--line);
  box-shadow:
    28px 34px 44px -18px rgba(0,0,0,.6),
    0 0 0 1px rgba(255,255,255,.03) inset,
    -6px 0 18px -12px rgba(0,158,224,.35);
}
.device-thumbs{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:14px; perspective:1000px;}
.device-thumbs img{
  width:100%; border-radius:6px; border:1px solid var(--line); display:block;
  transform:rotateY(-6deg); transition:transform .4s ease;
  box-shadow:12px 16px 24px -14px rgba(0,0,0,.55);
}
.device-thumbs img:hover{transform:rotateY(0deg);}
@media(prefers-reduced-motion: reduce){
  .photo-3d-inner, .device-thumbs img{transition:none;}
}
.device-visual .cap{margin-top:14px;}

/* ---- new industrial logo mark tweaks ---- */
.logo-mark{width:36px; height:36px; flex-shrink:0;}