/* ==========================================================
   فرشاد مکانیک — استایل اصلی
   ========================================================== */

*{box-sizing:border-box;margin:0;padding:0}

:root{
  --accent:#22e08f;
  --accent-ink:#087a4b;
  --accent-dark:#12b873;
  --accent-soft:#e3fbf0;
  --navy:#071c36;
  --navy-2:#0d2948;
  --navy-3:#14385f;
  --ink:#14213a;
  --muted:#5d6879;
  --bg:#f3f5f9;
  --line:#e5e9f0;
  --white:#fff;

  --ease:cubic-bezier(.22,1,.36,1);
  --shadow-s:0 2px 8px rgba(7,28,54,.06);
  --shadow-m:0 20px 44px -14px rgba(7,28,54,.2);
  --shadow-l:0 34px 80px -24px rgba(7,28,54,.34);
  --topbar-h:38px;
}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:"Vazirmatn",Tahoma,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.9;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid var(--accent-ink);outline-offset:3px;border-radius:6px}
.container{width:min(1200px,calc(100% - 40px));margin:auto}

/* ---------- نوار پیشرفت اسکرول ---------- */
.progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:80;
  background:linear-gradient(270deg,var(--accent),#9af5c9);
  transform:scaleX(0);transform-origin:right;
}

/* ---------- هدر ---------- */
.site-header{position:sticky;top:calc(var(--topbar-h) * -1);z-index:50}
.topbar{background:var(--navy);color:#dbe6f2;font-size:13px;height:var(--topbar-h)}
.topbar-inner{height:100%;display:flex;align-items:center;gap:26px}
.topbar i{color:var(--accent);margin-left:6px}
.top-social{margin-right:auto;display:flex;gap:14px}
.top-social a{opacity:.85;transition:.25s}
.top-social a:hover{color:#fff;opacity:1;transform:translateY(-2px)}

.navbar{
  position:relative;
  background:rgba(255,255,255,.93);
  backdrop-filter:saturate(1.5) blur(14px);
  -webkit-backdrop-filter:saturate(1.5) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .35s;
}
.site-header.scrolled .navbar{box-shadow:0 14px 34px -14px rgba(7,28,54,.25)}
.nav-inner{height:80px;display:flex;align-items:center;gap:32px}

.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand-mark{
  width:46px;height:46px;border-radius:13px;background:var(--accent);color:var(--navy);
  display:grid;place-items:center;font-size:21px;
  box-shadow:0 10px 22px rgba(34,224,143,.28);
  transition:transform .5s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.06)}
.brand strong{display:block;font-size:19px;font-weight:900;line-height:1.5}
.brand small{display:block;color:#7b8596;font-size:11.5px;margin-top:-3px}

.nav-links{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:600;color:#43506a;margin-right:auto}
.nav-links a{position:relative;padding:29px 0;transition:color .25s}
.nav-links a:after{
  content:"";position:absolute;bottom:19px;right:0;width:0;height:3px;border-radius:3px;
  background:var(--accent);transition:width .35s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-links a.active{color:var(--accent-ink)}

.nav-cta{
  position:relative;overflow:hidden;
  background:var(--accent);color:var(--navy);border-radius:11px;padding:12px 20px;
  font-size:14px;font-weight:800;white-space:nowrap;
  box-shadow:0 12px 24px rgba(34,224,143,.22);
  transition:transform .25s,background .25s,box-shadow .25s;
}
.nav-cta i{margin-left:6px}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 16px 30px rgba(34,224,143,.3)}
.menu-toggle{display:none;width:46px;height:46px;place-items:center;border:0;border-radius:12px;background:transparent;font-size:24px;color:var(--navy);cursor:pointer;transition:background .25s}
.menu-toggle:hover{background:var(--bg)}

/* ---------- دکمه‌ها ---------- */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:0;border-radius:11px;padding:15px 24px;
  font-family:inherit;font-size:14.5px;font-weight:800;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,box-shadow .25s,color .25s;
}
.btn:after,.nav-cta:after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.38) 50%,transparent 70%);
  transform:translateX(-130%);
}
.btn:hover:after,.nav-cta:hover:after{transform:translateX(130%);transition:transform .8s var(--ease)}
.btn i{transition:transform .3s var(--ease)}
.btn:hover i.fa-arrow-left{transform:translateX(-6px)}
.btn-primary{background:var(--accent);color:var(--navy);box-shadow:0 14px 30px rgba(34,224,143,.28)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-3px);box-shadow:0 20px 38px rgba(34,224,143,.36)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.05);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;color:var(--navy);transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--navy);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-light:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(0,0,0,.26)}

/* ---------- قهرمان صفحه (Hero) ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:700px;display:flex;align-items:center;
  background:var(--navy);padding:60px 0 110px;
}
.hero-bg{
  position:absolute;inset:-5%;z-index:-4;
  background:url("https://images.unsplash.com/photo-1487754180451-c456f719a1fc?auto=format&fit=crop&w=2000&q=90") center/cover;
  animation:kenburns 30s ease-in-out infinite alternate;
}
.hero:before{
  content:"";position:absolute;inset:0;z-index:-3;
  background:
    radial-gradient(circle at 78% 40%,rgba(34,224,143,.2),transparent 38%),
    linear-gradient(to left,rgba(5,21,40,.97) 22%,rgba(5,21,40,.62) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 50%,#000 10%,transparent 70%);
          mask-image:radial-gradient(ellipse at 70% 50%,#000 10%,transparent 70%);
}
.hero-gears{position:absolute;inset:0;z-index:-1;pointer-events:none}
.gear{position:absolute;transform-box:fill-box;transform-origin:center}
.gear path{fill:rgba(255,255,255,.045);stroke:rgba(255,255,255,.14);stroke-width:1}
.hero-gears .g1{width:560px;height:560px;left:-170px;bottom:-230px;animation:spin 70s linear infinite}
.hero-gears .g2{width:300px;height:300px;left:300px;bottom:-110px;animation:spin 44s linear infinite reverse}
.hero-gears .g3{width:200px;height:200px;left:38%;top:-70px;animation:spin 52s linear infinite}

.hero-content{position:relative;display:flex;align-items:center;justify-content:space-between;gap:50px;color:#fff}
.hero-copy{max-width:700px}

.eyebrow,.section-kicker{color:var(--accent-ink);font-size:14px;font-weight:800}
.hero .eyebrow{
  color:#6af0b5;background:rgba(34,224,143,.14);border:1px solid rgba(255,255,255,.14);
  display:inline-flex;gap:9px;align-items:center;padding:8px 15px;border-radius:100px;
  backdrop-filter:blur(6px);
}
.hero .eyebrow i{animation:pulse-soft 2.4s ease-in-out infinite}

.hero h1{
  font-size:clamp(38px,5.6vw,70px);line-height:1.3;font-weight:900;
  margin:22px 0 18px;max-width:780px;letter-spacing:-.5px;
}
.hero h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .06em .14em;margin:0 -.06em -.14em}
.hero h1 .w>span{display:inline-block;animation:wordIn 1s var(--ease) both}
.hero p{font-size:18px;color:#d4dce7;max-width:600px;line-height:2}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}

/* ورود هماهنگ عناصر Hero هنگام بارگذاری */
.hero-in{animation:heroIn .9s var(--ease) both;animation-delay:calc(.15s + var(--i,0) * .1s)}

/* درجه دور موتور */
.hero-card{
  width:300px;flex:none;padding:22px 22px 26px;text-align:center;cursor:pointer;
  border-radius:26px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 30px 70px -20px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.12);
  transition:transform .5s var(--ease),border-color .3s;
}
.hero-card:hover,.hero-card:focus-visible{transform:translateY(-6px);border-color:rgba(34,224,143,.55)}
.hero-card strong{display:block;font-size:18px;margin-top:2px}
.hero-card>span{display:block;color:#cdd7e3;font-size:13px;margin-top:4px;line-height:1.9}
.gauge{width:100%;height:auto;display:block;margin-bottom:6px;overflow:visible}
.g-face{fill:rgba(5,21,40,.7);stroke:rgba(255,255,255,.14);stroke-width:2}
.g-track{fill:none;stroke:rgba(255,255,255,.18);stroke-width:5;stroke-linecap:round}
.g-red{fill:none;stroke:var(--accent);stroke-width:5;stroke-linecap:round}
#gTicks line{stroke:rgba(255,255,255,.5);stroke-width:1.5;stroke-linecap:round}
#gTicks line.major{stroke:#fff;stroke-width:2.5}
#gTicks line.hot{stroke:#5eeaa8}
#gNums text{fill:#e8eef6;font-size:14px;font-weight:700;text-anchor:middle;dominant-baseline:middle;font-family:"Vazirmatn",sans-serif}
#needle{transition:none;filter:drop-shadow(0 0 6px rgba(34,224,143,.8))}
#needle line{stroke:var(--accent);stroke-width:4;stroke-linecap:round}
.g-hub{fill:#fff;stroke:var(--accent);stroke-width:4}
.g-rpm{fill:#fff;font-size:17px;font-weight:800;font-family:"Vazirmatn",sans-serif}
.g-unit{fill:#9fb0c2;font-size:10px;font-family:"Vazirmatn",sans-serif}

.hero-scroll{position:absolute;bottom:62px;left:50%;color:#fff;opacity:.7;animation:bounce 2s ease-in-out infinite}

/* ---------- کارت‌های خدمات ---------- */
.service-strip{position:relative;margin-top:-70px;z-index:5}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{
  position:relative;overflow:hidden;
  background:#fff;border-radius:18px;padding:30px 26px 24px;
  border:1px solid var(--line);box-shadow:var(--shadow-m);
  transition:opacity .8s var(--ease),translate .8s var(--ease),transform .25s ease-out,box-shadow .4s;
  transform-style:preserve-3d;will-change:transform;
}
.service-card:before{
  content:"";position:absolute;top:0;right:0;left:0;height:4px;background:var(--accent);
  transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease);
}
.service-card:after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(34,224,143,.09),transparent 60%);
}
.service-card:hover{box-shadow:var(--shadow-l)}
.service-card:hover:before{transform:scaleX(1)}
.service-card:hover:after{opacity:1}

.service-icon{
  width:58px;height:58px;border-radius:16px;background:var(--accent-soft);color:var(--accent-ink);
  display:grid;place-items:center;font-size:23px;margin-bottom:20px;
  transition:background .35s,color .35s,transform .5s var(--ease);
}
.service-card:hover .service-icon{background:var(--accent);color:var(--navy);transform:translateY(-3px) rotate(-6deg)}
.service-card:hover .service-icon i{animation:wiggle .7s ease}
.service-card h3{font-size:19px;margin-bottom:8px;font-weight:800}
.service-card p{font-size:14px;color:var(--muted);min-height:66px;line-height:2}
.service-card a{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:15px;border-top:1px solid var(--line);
  color:var(--accent-ink);font-size:13.5px;font-weight:800;
}
.service-card a i{transition:transform .3s var(--ease)}
.service-card a:hover i{transform:translateX(-6px)}

/* ---------- عنوان بخش‌ها ---------- */
.section{padding:100px 0}
.section-heading{text-align:center;max-width:680px;margin:0 auto 34px;position:relative}
.section-heading>span{color:var(--accent-ink);font-size:14px;font-weight:800}
.section-heading h2,.section-title-row h2,.about h2{font-size:clamp(26px,3.4vw,38px);line-height:1.5;margin:6px 0 8px;font-weight:900}
.section-heading p,.about .lead{font-size:15px;color:var(--muted);line-height:2}

/* ---------- فرم محاسبه ---------- */
.appointment{background:var(--bg);padding-top:110px}
.appointment-wrap{
  position:relative;overflow:hidden;isolation:isolate;
  background:#fff;border-radius:28px;padding:54px 48px;
  border:1px solid #bfeedb;box-shadow:var(--shadow-m);
}
.appointment-wrap .gear path{fill:rgba(34,224,143,.045);stroke:rgba(34,224,143,.14)}
.appointment-wrap .wm1{width:300px;height:300px;right:-90px;top:-100px;animation:spin 60s linear infinite;z-index:-1}
.appointment-wrap .wm2{width:190px;height:190px;left:-50px;bottom:-60px;animation:spin 38s linear infinite reverse;z-index:-1}

.appointment-form{display:grid;grid-template-columns:1fr 1fr 210px;gap:16px;align-items:end;position:relative}
.form-field label{display:block;font-size:14px;font-weight:800;margin-bottom:8px}
.form-field select{
  width:100%;height:54px;border:1.5px solid #dde3ec;border-radius:12px;padding:0 16px 0 44px;
  font-family:inherit;font-size:15px;color:#2f3b52;background:#fff;outline:none;cursor:pointer;
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23087a4b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:left 16px center;
  transition:border-color .25s,box-shadow .25s;
}
.form-field select:hover{border-color:#c4ccda}
.form-field select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(34,224,143,.12)}
.form-submit{height:54px;font-size:15px}
.form-submit.loading{pointer-events:none;background:var(--accent-dark)}
.form-submit.loading .btn-label:before{
  content:"\f013";font-family:"Font Awesome 6 Free";font-weight:900;
  display:inline-block;margin-left:9px;animation:spin 1s linear infinite;
}

.estimate{
  grid-column:1/-1;display:none;
  background:linear-gradient(100deg,#effcf6,#f5f8fc);border:1px dashed #a8ebcb;
  border-radius:14px;padding:16px 20px;text-align:center;font-size:15px;font-weight:700;color:var(--navy);
}
.estimate.show{display:block;animation:pop .6s var(--ease)}
.estimate .amount{color:var(--accent-ink);font-size:24px;font-weight:900;margin:0 4px}

/* ---------- درباره ما ---------- */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}
.about-image{position:relative}
.about-frame{
  position:absolute;inset:26px 26px -26px -26px;border:3px solid var(--accent);border-radius:28px;opacity:.28;
}
.about-photo{position:relative;border-radius:26px;overflow:hidden;box-shadow:var(--shadow-l)}
.about-photo img{height:500px;width:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.about-image:hover .about-photo img{transform:scale(1.05)}
.experience-badge{
  position:absolute;bottom:30px;right:-28px;background:var(--accent);color:var(--navy);border-radius:20px;padding:22px 28px;
  box-shadow:0 20px 40px rgba(34,224,143,.35);animation:bob 4.5s ease-in-out infinite;
}
.experience-badge strong{font-size:40px;display:block;line-height:1.1;font-weight:900}
.experience-badge span{font-size:13px}
.about h2{font-size:clamp(30px,3.6vw,44px)}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px;margin:32px 0}
.feature-list div{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:#566178;line-height:1.9}
.feature-list i{color:var(--accent-ink);margin-top:6px;font-size:16px}
.feature-list b{display:block;color:var(--ink);font-size:15px}
.text-link{font-size:14px;color:var(--accent-ink);font-weight:800;display:inline-flex;align-items:center;gap:10px}
.text-link i{transition:transform .3s var(--ease)}
.text-link:hover i{transform:translateX(-7px)}

/* ---------- آدرس و تماس ---------- */
.location{background:var(--navy);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.location:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 15%,rgba(34,224,143,.15),transparent 42%),radial-gradient(circle at 90% 85%,rgba(20,56,95,.85),transparent 50%)}
.location-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:34px}
.location-info{display:flex;flex-direction:column;gap:14px}
.location-head span{color:var(--accent);font-size:14px;font-weight:800}
.location-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.5;font-weight:900;margin:2px 0 6px}
.info-card{display:flex;gap:16px;align-items:center;padding:20px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.info-card .ic{width:50px;height:50px;flex:none;border-radius:14px;background:var(--accent);color:var(--navy);display:grid;place-items:center;font-size:20px}
.info-card small{display:block;color:#9fb0c2;font-size:13px}
.info-card strong,.info-card a{display:block;font-size:16px;font-weight:800;line-height:1.9;color:#fff}
.info-card .phone{font-size:24px}
.location-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.map-wrap{position:relative;min-height:400px;border-radius:24px;overflow:hidden;background:var(--navy-2);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-l)}
.map-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.map-open{position:absolute;top:12px;right:12px;z-index:2;background:var(--accent);color:var(--navy);font-size:13px;font-weight:800;padding:8px 14px;border-radius:100px;box-shadow:0 8px 20px rgba(0,0,0,.3)}

/* ---------- جست‌وجوی سؤال در Hero ---------- */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hero-search{display:flex;align-items:center;gap:8px;max-width:620px;margin-top:30px;padding:7px 18px 7px 7px;background:rgba(255,255,255,.97);border-radius:18px;box-shadow:0 24px 50px -16px rgba(0,0,0,.55);transition:box-shadow .3s}
.hero-search:focus-within{box-shadow:0 0 0 4px rgba(34,224,143,.45),0 24px 50px -16px rgba(0,0,0,.55)}
.hero-search>i{color:var(--accent-ink);font-size:18px}
.hero-search input{flex:1;min-width:0;height:50px;border:0;outline:0;background:transparent;font-family:inherit;font-size:16px;color:var(--ink)}
.hero-search input::placeholder{color:#8a94a6}
.hero-search .btn{height:50px;padding:0 26px;white-space:nowrap}
.hero-search.shake{animation:shake .4s}
.ask-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;max-width:620px}
.ask-chips button{font-family:inherit;font-size:13px;font-weight:600;color:#e8eef6;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:100px;padding:5px 14px;min-height:36px;cursor:pointer;transition:.25s}
.ask-chips button:hover{background:var(--accent);color:var(--navy);border-color:var(--accent)}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* ---------- پنجره پاسخ (پاپ‌آپ) ---------- */
.answer-modal{position:fixed;inset:0;z-index:110;display:grid;place-items:center;padding:20px;background:rgba(5,16,32,.7);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.answer-modal.open{opacity:1;visibility:visible}
.am-card{position:relative;width:min(560px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:24px;padding:34px 30px 26px;box-shadow:var(--shadow-l);transform:translateY(24px) scale(.97);transition:transform .45s var(--ease)}
.answer-modal.open .am-card{transform:none}
.am-card:before{content:"";position:absolute;top:0;right:0;left:0;height:5px;background:var(--accent)}
.am-close{position:absolute;top:16px;left:16px;width:42px;height:42px;border:0;border-radius:50%;background:var(--bg);color:var(--navy);font-size:17px;cursor:pointer;transition:background .25s}
.am-close:hover{background:var(--accent)}
.am-icon{width:56px;height:56px;border-radius:16px;background:var(--navy);color:var(--accent);display:grid;place-items:center;font-size:23px;margin-bottom:14px}
.am-q{font-size:13px;color:var(--muted)}
.am-card h3{font-size:21px;font-weight:900;line-height:1.7}
.am-badge{display:inline-block;font-size:12px;font-weight:800;padding:2px 12px;border-radius:100px;margin:6px 0 10px;background:var(--accent-soft);color:var(--accent-ink)}
.am-badge.urgent{background:var(--navy);color:var(--accent)}
.am-body p{font-size:15px;color:#3c485e;line-height:2.05;margin-bottom:8px}
.am-note{font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px;margin-top:6px;line-height:1.9}
.am-related{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.am-related b{width:100%;font-size:13px}
.am-related button{font-family:inherit;font-size:13px;font-weight:600;background:var(--bg);color:var(--navy);border:1px solid var(--line);border-radius:100px;padding:5px 14px;min-height:36px;cursor:pointer}
.am-related button:hover{background:var(--accent);border-color:var(--accent)}
.am-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.am-actions .btn{flex:1;min-width:150px}

/* ---------- نوار متحرک خدمات ---------- */
.marquee{
  background:var(--accent);color:var(--navy);overflow:hidden;padding:15px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:flex;width:max-content;animation:marquee 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{font-size:17px;font-weight:800;padding:0 28px;white-space:nowrap;display:inline-flex;align-items:center;gap:28px}
.marquee i{font-size:15px;opacity:.7}

/* ---------- گالری ---------- */
.gallery{background:var(--bg)}
.section-title-row{display:flex;justify-content:space-between;align-items:end;margin-bottom:32px}
.gallery-grid{grid-auto-flow:dense;display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-auto-rows:230px;gap:14px}
.gallery-item{
  position:relative;overflow:hidden;border-radius:18px;cursor:zoom-in;background:var(--navy-2);
  transition:opacity .8s var(--ease),translate .8s var(--ease),box-shadow .4s;
}
.gallery-item.large{grid-row:span 2}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease),filter .5s}
.gallery-item:before{
  content:"";position:absolute;inset:0;z-index:1;opacity:0;transition:opacity .4s;
  background:linear-gradient(to top,rgba(7,28,54,.75),rgba(34,224,143,.12) 60%,transparent);
}
.gallery-item .zoom{
  position:absolute;z-index:2;right:50%;top:50%;width:56px;height:56px;border-radius:50%;
  background:#fff;color:var(--accent-ink);display:grid;place-items:center;font-size:18px;
  transform:translate(50%,-50%) scale(.4);opacity:0;transition:transform .5s var(--ease),opacity .3s;
  box-shadow:0 12px 30px rgba(0,0,0,.3);
}
.gallery-item:hover,.gallery-item:focus-visible{box-shadow:var(--shadow-l)}
.gallery-item:hover img,.gallery-item:focus-visible img{transform:scale(1.09)}
.gallery-item:hover:before,.gallery-item:focus-visible:before{opacity:1}
.gallery-item:hover .zoom,.gallery-item:focus-visible .zoom{opacity:1;transform:translate(50%,-50%) scale(1)}

/* ---------- لایت‌باکس ---------- */
.lightbox{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  background:rgba(5,16,32,.94);backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;
}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:min(92vw,1200px);max-height:84vh;border-radius:14px;box-shadow:0 40px 100px rgba(0,0,0,.6);transform:scale(.94);transition:transform .5s var(--ease)}
.lightbox.open img{transform:scale(1)}
.lb-btn{
  position:absolute;width:50px;height:50px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.08);color:#fff;font-size:18px;cursor:pointer;transition:.25s;
}
.lb-btn:hover{color:var(--navy);background:var(--accent);border-color:var(--accent)}
.lb-close{top:24px;left:24px}
.lb-prev{right:24px;top:50%;margin-top:-25px}
.lb-next{left:24px;top:50%;margin-top:-25px}

/* ---------- بنر پایانی با جاده ---------- */
.cta-banner{
  position:relative;overflow:hidden;color:#fff;padding:78px 0 92px;
  background:linear-gradient(100deg,rgba(7,28,54,.97),rgba(7,28,54,.82)),url("https://images.unsplash.com/photo-1486006920555-c77dcf18193c?auto=format&fit=crop&w=1800&q=80") center/cover;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-inner span{color:#6af0b5;font-size:15px;font-weight:800}
.cta-inner h2{font-size:clamp(26px,3.4vw,40px);margin-top:4px;font-weight:900}
.road{position:absolute;right:0;left:0;bottom:0;height:46px}
.road:before{content:"";position:absolute;inset:auto 0 0 0;height:22px;background:rgba(0,0,0,.35)}
.road-line{
  position:absolute;right:0;left:0;bottom:9px;height:4px;
  background:linear-gradient(90deg,rgba(255,255,255,.7) 50%,transparent 50%) 0 0/64px 4px;
  animation:road 1s linear infinite;
}
.road-car{
  position:absolute;left:0;bottom:20px;font-size:30px;color:#fff;
  filter:drop-shadow(0 4px 8px rgba(0,0,0,.4));
  animation:drive 11s linear infinite;
}

/* ---------- فوتر ---------- */
.footer{background:#061a31;color:#c4d0dd;padding-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.5fr;gap:50px;padding-bottom:56px}
.footer h3{font-size:16px;color:#fff;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer h3:after{content:"";position:absolute;bottom:0;right:0;width:30px;height:3px;border-radius:3px;background:var(--accent)}
.footer a,.footer p{display:block;font-size:14px;color:#9fb0c2;margin:11px 0;transition:color .25s,transform .25s}
.footer-grid>div:not(.footer-about)>a:hover{color:#fff;transform:translateX(-5px)}
.footer p b{color:#fff;font-weight:700}
.footer-about p{max-width:340px;line-height:2.1}
.footer-brand{color:#fff}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.14);border-radius:12px;margin:0;
  display:grid;place-items:center;color:#fff;font-size:16px;transition:.3s var(--ease);
}
.footer-social a:hover{color:var(--navy);background:var(--accent);border-color:var(--accent);transform:translateY(-4px)}
.footer i{color:var(--accent);margin-left:7px}
.footer-social i{margin:0;color:inherit}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:12.5px;color:#70859c}

/* ---------- دکمه تماس شناور ---------- */
.floating-call{
  display:none;position:fixed;bottom:calc(20px + env(safe-area-inset-bottom));left:20px;width:58px;height:58px;border-radius:50%;
  background:var(--accent);color:var(--navy);z-index:40;place-items:center;font-size:20px;
  box-shadow:0 12px 28px rgba(34,224,143,.45);
}
.floating-call:before{
  content:"";position:absolute;inset:0;border-radius:50%;background:var(--accent);z-index:-1;
  animation:ring 2.2s ease-out infinite;
}
.floating-call i{animation:ring-shake 3s ease-in-out infinite}

/* ---------- ظاهر شدن هنگام اسکرول ---------- */
.js [data-reveal]{
  opacity:0;translate:0 34px;
  transition:opacity .9s var(--ease),translate .9s var(--ease),clip-path 1.1s var(--ease);
  transition-delay:var(--d,0s);
}
.js [data-reveal].in{opacity:1;translate:0 0}
.js [data-reveal="clip"]{translate:none;clip-path:inset(0 0 100% 0 round 26px)}
.js [data-reveal="clip"].in{clip-path:inset(0 0 0 0 round 26px)}
.js [data-reveal="clip"] img{scale:1.25;transition:scale 1.6s var(--ease)}
.js [data-reveal="clip"].in img{scale:1}
.js .feature-list i{scale:0;transition:scale .6s var(--ease) calc(var(--d,0s) + .25s)}
.js .feature-list .in i{scale:1}
.js .service-card[data-reveal]{
  transition:opacity .8s var(--ease) var(--d,0s),translate .8s var(--ease) var(--d,0s),transform .25s ease-out 0s,box-shadow .4s ease 0s;
}
.js .gallery-item[data-reveal]{
  transition:opacity .8s var(--ease) var(--d,0s),translate .8s var(--ease) var(--d,0s),box-shadow .4s ease 0s;
}

/* ---------- کی‌فریم‌ها ---------- */
@keyframes kenburns{from{transform:scale(1) translate(0,0)}to{transform:scale(1.12) translate(-1.5%,1%)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes wordIn{from{transform:translateY(108%)}}
@keyframes heroIn{from{opacity:0;transform:translateY(26px)}}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(9px)}}
@keyframes pulse-soft{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(1.18)}}
@keyframes wiggle{0%,100%{transform:rotate(0)}25%{transform:rotate(-22deg)}60%{transform:rotate(16deg)}}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.96)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes marquee{to{transform:translateX(50%)}}
@keyframes road{to{background-position:64px 0}}
@keyframes drive{
  from{transform:translateX(calc(100vw + 40px))}
  to{transform:translateX(-120px)}
}
@keyframes ring{0%{transform:scale(1);opacity:.55}100%{transform:scale(1.9);opacity:0}}
@keyframes ring-shake{0%,86%,100%{transform:rotate(0)}89%{transform:rotate(-16deg)}92%{transform:rotate(14deg)}95%{transform:rotate(-8deg)}}

/* ---------- واکنش‌گرا ---------- */
@media(max-width:1100px){
  .nav-links{gap:20px}
  .brand{min-width:190px}
  .about-grid{gap:60px}
}
@media(max-width:950px){
  .nav-links{gap:16px;font-size:14px}
  .hero{min-height:auto;padding:70px 0 120px}
  .hero-content{flex-direction:column;align-items:flex-start}
  .hero-card{width:250px;align-self:center}
  .service-grid{grid-template-columns:1fr 1fr}
  .about-grid{gap:50px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .appointment-form{grid-template-columns:1fr 1fr}
  .form-submit{grid-column:1/-1}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .gallery-item.large{grid-row:span 1}
  .gallery-item{height:240px}
  .location-grid{grid-template-columns:1fr}
}
@media(max-width:700px){
  :root{--topbar-h:0px}
  html{scroll-padding-top:72px}
  .container{width:min(100% - 28px,560px)}
  .topbar{display:none}
  .nav-inner{height:70px}
  .nav-links{
    display:none;position:absolute;top:70px;right:0;left:0;background:#fff;padding:10px 20px 20px;
    box-shadow:0 20px 34px rgba(0,0,0,.1);flex-direction:column;align-items:stretch;gap:0;font-size:16px;
  }
  .nav-links.open{display:flex;animation:pop .35s var(--ease)}
  .nav-links a{padding:13px 0;border-bottom:1px solid #f1f2f4}
  .nav-links a:after{display:none}
  .menu-toggle{display:grid;margin-right:auto}
  .nav-cta{display:none}
  .brand{min-width:auto}
  .hero{padding:56px 0 100px}
  .hero-card{display:none}
  .hero h1{font-size:38px}
  .hero p{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-scroll{display:none}
  .hero-gears .g1{width:380px;height:380px;left:-150px;bottom:-130px}
  .hero-gears .g2{display:none}
  .service-strip{margin-top:-52px}
  .service-grid{grid-template-columns:1fr 1fr;gap:12px}
  .service-card{padding:22px 18px 18px}
  .service-card h3{font-size:16px}
  .service-card p{font-size:13px;min-height:0}
  .service-icon{width:50px;height:50px;font-size:20px}
  .section{padding:70px 0}
  .appointment{padding-top:80px}
  .appointment-wrap{padding:32px 20px;border-radius:22px}
  .appointment-form{grid-template-columns:1fr}
  .form-submit{grid-column:auto}
  .about-grid{grid-template-columns:1fr}
  .about-photo img{height:360px}
  .experience-badge{right:14px;bottom:18px;padding:16px 22px}
  .about-frame{display:none}
  .feature-list{grid-template-columns:1fr}
  .location{padding:60px 0}
  .map-wrap{min-height:320px}
  .info-card{padding:16px}
  .info-card .phone{font-size:21px}
  .location-actions .btn{flex:1;min-width:100%}
  .hero-search{flex-wrap:wrap;padding:12px;gap:6px 10px;border-radius:18px}
  .hero-search input{height:46px;flex:1 1 60%}
  .hero-search .btn{width:100%;height:50px}
  .ask-chips button{font-size:12.5px}
  .answer-modal{place-items:end center;padding:0}
  .am-card{border-radius:24px 24px 0 0;max-height:90vh;padding:30px 20px calc(22px + env(safe-area-inset-bottom))}
  .am-actions .btn{min-width:100%}
  .gallery-grid{grid-template-columns:1fr 1fr;grid-auto-rows:170px}
  .gallery-item.large{grid-column:span 2}
  .gallery-item{height:auto}
  .cta-banner{padding:62px 0 82px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .section-title-row{align-items:start;gap:15px;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-about{grid-column:1/-1}
  .floating-call{display:grid}
  .lb-prev{right:10px}.lb-next{left:10px}.lb-close{top:14px;left:14px}
}
@media(max-width:430px){
  .service-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr;grid-auto-rows:220px}
  .gallery-item.large{grid-column:auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-about{grid-column:auto}
}

/* ---------- کاهش حرکت (دسترسی‌پذیری) ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .js [data-reveal]{opacity:1;translate:none;clip-path:none}
  .js [data-reveal="clip"] img,.js .feature-list i{scale:1}
}

/* ---------- صفحه درباره ما ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--navy);color:#fff;padding:84px 0 76px}
.page-hero:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 80% 30%,rgba(34,224,143,.18),transparent 45%)}
.page-hero:after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse at 70% 50%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at 70% 50%,#000 10%,transparent 70%)}
.crumbs{font-size:13px;color:#9fb0c2;margin-bottom:12px}
.crumbs a:hover{color:var(--accent)}
.page-hero h1{font-size:clamp(32px,5vw,54px);font-weight:900;line-height:1.4}
.page-hero p{max-width:640px;color:#d4dce7;margin-top:12px;line-height:2}
.about-text p{font-size:15px;color:#566178;line-height:2.1;margin-bottom:12px}
.ltr{direction:ltr;text-align:right;unicode-bidi:embed}
.info-card a.ltr{font-size:15px}
.location-info .info-card+.info-card{margin-top:0}
@media(max-width:700px){.page-hero{padding:56px 0 48px}}
.about-grid.no-photo{grid-template-columns:1fr;max-width:760px}