/* ═══════════════════════════════════════════════════════════════
   باطری سازی نوین — سیستم طراحی «پالس ولتاژ» (Voltage Pulse)
   الهام از صفحه‌ی دیاگ / اسیلوسکوپ خودرو: پنل تیره‌ی گرافیتی،
   خط سبز-فیروزه‌ای ولتاژ روی مانیتور دیاگ، و کهرمانی هشدار
   برای اقدام فوری. موج ضربان، امضای تصویری تکرارشونده‌ی سایت است.
   ═══════════════════════════════════════════════════════════════ */

/* ═══ PERFORMANCE ═══ */
.battery-svg, .navbar, .cart-sidebar, .gal-face, .ticker-track { will-change: transform; }

/* ═══ RESET & TOKENS ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:        #FFFFFF;   /* بک‌گراند اصلی — سفید */
  --panel:     #F6F8FA;   /* سطح کارت/پنل */
  --panel-2:   #EDF1F4;   /* سطح بالاتر (هاور/فرم) */
  --panel-3:   #C7D0D8;
  --line:      rgba(16,24,32,.08);
  --line-2:    rgba(16,24,32,.15);
  --text:      #10161C;
  --text-soft: #4B5865;
  --muted:     #8996A2;
  --on-accent: #06110F;   /* متن روی سطوح روشن (کهرمانی/فیروزه‌ای) */

  --volt:      #0D9488;   /* فیروزه‌ای ولتاژ — داده/تشخیص/لینک (تیره‌تر برای کنتراست روی سفید) */
  --volt-dim:  rgba(13,148,136,.10);
  --volt-line: rgba(13,148,136,.35);

  --spark:     #D97706;   /* کهرمانی — اقدام فوری/CTA (تیره‌تر برای کنتراست روی سفید) */
  --spark-dim: rgba(217,119,6,.12);
  --spark-dk:  #B45309;

  --danger:    #E23D3D;   /* فقط برای هشدار/حذف/باطری خالی */
  --danger-dim:rgba(226,61,61,.12);

  --good:      #16A34A;

  --r:   14px;
  --rp:  22px;
  --shadow-sm: 0 2px 14px rgba(16,24,32,.10);
  --shadow-md: 0 16px 40px rgba(16,24,32,.14);
  --shadow-lift: 0 10px 26px rgba(16,24,32,.12);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  background: var(--bg); color: var(--text);
  direction: rtl; overflow-x: hidden; line-height: 1.75;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.section    { padding: 110px 0; }
em { font-style: normal; color: var(--volt); }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--panel-3); border-radius: 3px; }

/* ═══ RIVET → حالا «نقطه‌ی مدار» (via point) ═══ */
.rivet { position: relative; }
.rivet::before, .rivet::after {
  content: ''; position: absolute; top: 12px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--volt); opacity: .5;
}
.rivet::before { right: 12px; }
.rivet::after  { left: 12px; }

/* ═══ WAVEFORM — امضای تصویری تکرارشونده ═══ */
.waveform { display: block; width: 100%; overflow: hidden; line-height: 0; }
.waveform svg { width: 100%; height: auto; display: block; }
.waveform .trace {
  fill: none; stroke: var(--volt); stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 900; stroke-dashoffset: 900;
  animation: waveSweep 2.6s ease-out forwards, wavePulse 3.4s ease-in-out 2.6s infinite;
  filter: drop-shadow(0 0 6px rgba(43,233,200,.5));
}
@keyframes waveSweep { to { stroke-dashoffset: 0; } }
@keyframes wavePulse { 0%,100%{ opacity:.55; } 50%{ opacity:1; } }
.waveform-divider { background: var(--bg); padding: 6px 0; opacity: .8; }

/* ═══ EMERGENCY BAR ═══ */
.emergency-bar {
  background: linear-gradient(90deg, #0D1015 0%, #14110A 50%, #0D1015 100%);
  border-bottom: 1px solid var(--line-2);
  padding: 11px 0; position: relative; z-index: 1001;
}
.emr-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap; position: relative; z-index: 1;
}
.emr-pulse {
  width: 9px; height: 9px; background: var(--danger);
  border-radius: 50%; flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(255,92,92,.6);
  animation: emrPulse 1.4s infinite;
}
@keyframes emrPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,92,92,.6); }
  70%  { box-shadow: 0 0 0 9px rgba(255,92,92,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,92,92,0); }
}
.emr-text { font-size: 14px; color: #A9B7C2; letter-spacing: .2px; }
.emr-text strong { color: #FFB020; font-weight: 800; }
.emr-btn {
  background: var(--spark); color: var(--on-accent); font-weight: 800; font-size: 13px;
  padding: 8px 20px; border-radius: 30px; border: none;
  white-space: nowrap; box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s, filter .15s;
}
.emr-btn:hover { transform: translateY(-1px); filter: brightness(1.08); }

/* ═══ BUTTONS ═══ */
.btn-gold {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--spark); color: var(--on-accent); font-weight: 800; font-size: 15px;
  padding: 14px 30px; border-radius: 30px; border: none;
  cursor: pointer; font-family: inherit;
  box-shadow: var(--shadow-lift);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn-gold:hover { transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 18px 34px rgba(0,0,0,.5); }
.btn-gold:active { transform: translateY(0); }
.btn-gold2 { background: transparent; color: var(--volt); border: 1.5px solid var(--volt-line); box-shadow: none; }
.btn-gold2:hover { background: var(--volt-dim); filter: none; }
.btn-sm {
  background: transparent; border: 1.5px solid var(--line-2);
  color: var(--text); padding: 7px 16px; border-radius: 30px;
  font-size: 12px; font-weight: 700; transition: all .15s;
}
.btn-sm:hover { border-color: var(--volt-line); color: var(--volt); background: var(--volt-dim); }

/* ═══ SECTION HEAD ═══ */
.sec-head { text-align: center; margin-bottom: 64px; }
.sec-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  background: var(--volt-dim); color: var(--volt); border: 1px solid var(--volt-line);
  padding: 6px 18px; border-radius: 30px;
  font-size: 12px; letter-spacing: 1.5px; margin-bottom: 18px; text-transform: uppercase;
}
.sec-label::before { content: '//'; opacity: .7; }
.sec-head h2 { font-family: 'Vazirmatn', Tahoma, sans-serif; font-size: clamp(30px,4.2vw,50px); font-weight: 800; margin-bottom: 12px; letter-spacing: -.5px; }
.sec-head p  { color: var(--text-soft); font-size: 16px; }

/* ═══ NAVBAR ═══ */
.navbar {
  position: fixed; top: 45px; width: 100%; z-index: 1000;
  padding: 16px 0; background: transparent;
  transition: all .3s ease;
}
.navbar.scrolled { top: 0; }
.navbar.scrolled {
  background: rgba(255,255,255,.85); backdrop-filter: blur(18px); padding: 12px 0;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; gap: 32px;
}
.logo-img { height: 44px; width: auto; }
.nav-links { display: flex; gap: 4px; margin-right: auto; }
.nav-links a {
  color: var(--text-soft); font-size: 14px; font-weight: 600;
  padding: 7px 16px; border-radius: 30px; transition: all .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--volt); background: var(--volt-dim); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-phone {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel-2); border: 1px solid var(--line-2);
  color: var(--text); padding: 9px 18px; border-radius: 30px;
  font-size: 13px; font-weight: 700; font-family: 'JetBrains Mono', monospace; transition: all .15s;
  white-space: nowrap;
}
.nav-phone:hover { border-color: var(--volt-line); color: var(--volt); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { width: 24px; height: 3px; background: var(--text); border-radius: 2px; transition: all .3s; }

/* ═══ HERO ═══ */
.hero {
  min-height: 100vh; position: relative; overflow: hidden;
  display: flex; align-items: center;
  background:
    radial-gradient(ellipse 900px 500px at 85% 8%, rgba(43,233,200,.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at 10% 95%, rgba(255,176,32,.07), transparent 60%),
    var(--bg);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(16,24,32,.06) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 100%);
}
.hero-glow-top, .particles { display: none; }

.hero-inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; padding: 140px 28px 80px;
  display: flex; align-items: center; gap: 60px; width: 100%;
}
.hero-content { flex: 1; max-width: 620px; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--panel-2); color: var(--text-soft); border: 1px solid var(--line-2);
  padding: 7px 20px; border-radius: 30px;
  font-size: 13px; font-weight: 600; margin-bottom: 26px;
  animation: fadeUp .6s ease both;
}
.tag-dot {
  width: 8px; height: 8px; background: var(--danger); border-radius: 50%;
  animation: blink 1.5s infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:.25;} }

.hero-content h1 {
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  font-size: clamp(38px, 5.8vw, 72px); font-weight: 800; line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px; animation: fadeUp .7s .05s ease both;
}
.hero-brand {
  display: inline-block;
  background: linear-gradient(90deg, var(--volt), #7CF5DD);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-top: 4px;
}
.hero-sub {
  color: var(--text-soft); font-size: 15px; line-height: 2;
  margin-bottom: 34px; animation: fadeUp .7s .2s ease both;
}
.hero-cta {
  display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px;
  animation: fadeUp .7s .3s ease both;
}
.btn-ring {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1.5px solid var(--line-2); color: var(--text);
  padding: 13px 26px; border-radius: 30px; font-size: 15px; font-weight: 700;
  transition: all .18s; background: transparent;
}
.btn-ring:hover { border-color: var(--volt-line); color: var(--volt); background: var(--volt-dim); }
.ring-dot {
  width: 8px; height: 8px; background: var(--good); border-radius: 50%;
  animation: blink 1.5s infinite;
}
.hero-phones {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 38px;
  animation: fadeUp .7s .35s ease both;
}
.phone-chip {
  background: var(--panel); border: 1px solid var(--line-2);
  color: var(--text); padding: 9px 18px; border-radius: 30px;
  font-size: 14px; font-weight: 700; font-family: 'JetBrains Mono', monospace; transition: all .15s;
  direction: ltr; display: inline-block;
}
.phone-chip:hover { border-color: var(--spark); color: var(--spark); }
.hero-stats {
  display: flex; align-items: stretch; gap: 0;
  animation: fadeUp .7s .4s ease both;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  width: fit-content;
}
.stat {
  text-align: center; color: var(--text);
  padding: 16px 26px; position: relative;
}
.num { font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 700; color: var(--volt); }
.stat sup { font-size: 15px; color: var(--volt); font-weight: 700; }
.stat label { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.stat-sep { width: 1px; background: var(--line-2); align-self: stretch; margin: 14px 0; }

/* hero visual */
.hero-visual {
  flex: 0 0 340px; position: relative;
  display: flex; align-items: center; justify-content: center;
  animation: fadeRight .8s .3s ease both;
}
.vis-ring { position: absolute; border-radius: 50%; border: 1px dashed rgba(43,233,200,.18); }
.vis-ring1 { width: 380px; height: 380px; animation: spin 22s linear infinite; }
.vis-ring2 { width: 300px; height: 300px; animation: spin 15s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.battery-wrap { position: relative; z-index: 2; }
.battery-svg { width: 240px; filter: drop-shadow(0 18px 30px rgba(0,0,0,.55)); animation: float 4s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }
.spark-anim { animation: sparkFade 2s ease-in-out infinite; }
@keyframes sparkFade { 0%,100%{opacity:1;} 50%{opacity:.3;} }

.scroll-hint { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); }
.scroll-hint span {
  display: block; width: 6px; height: 6px; background: var(--volt);
  border-radius: 50%; animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce { 0%,100%{transform:translateY(0);opacity:1;} 50%{transform:translateY(10px);opacity:.3;} }
@keyframes fadeUp    { from{opacity:0;transform:translateY(18px);} to{opacity:1;transform:none;} }
@keyframes fadeRight { from{opacity:0;transform:translateX(40px);} to{opacity:1;transform:none;} }

/* ═══ TICKER ═══ */
.ticker-wrap {
  background: var(--panel);
  padding: 14px 0; overflow: hidden; white-space: nowrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.ticker-track { display: inline-flex; gap: 0; animation: ticker 28s linear infinite; }
.ticker-track span {
  padding: 0 24px; font-size: 13px; font-weight: 700; color: var(--text-soft);
  font-family: 'JetBrains Mono', monospace;
  border-left: 1px solid var(--line); margin: 0;
}
@keyframes ticker { from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ═══ ABOUT ═══ */
.about { background: var(--bg); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-left .sec-label { margin-bottom: 18px; }
.about-left h2 { font-family:'Vazirmatn',sans-serif; font-size: clamp(28px,3.8vw,46px); font-weight: 800; line-height: 1.3; margin-bottom: 18px; letter-spacing: -.5px; }
.about-left p { color: var(--text-soft); font-size: 15px; margin-bottom: 30px; }
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 34px; }
.feat { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text); }
.feat-icon {
  width: 24px; height: 24px; background: var(--volt-dim);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--volt); font-size: 12px; font-weight: 800; flex-shrink: 0;
}
.about-right { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.acard {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 26px 20px; transition: all .2s;
  box-shadow: var(--shadow-sm); position: relative;
}
.acard:hover { transform: translateY(-4px); border-color: var(--volt-line); }
.acard-hl { background: var(--panel-2); border-color: var(--line-2); }
.acard-ico {
  width: 46px; height: 46px; border-radius: 12px; background: var(--volt-dim); color: var(--volt);
  display: flex; align-items: center; justify-content: center;
  font-size: 21px; margin-bottom: 14px;
}
.acard h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.acard p  { font-size: 13px; color: var(--text-soft); }

/* ═══ SERVICES ═══ */
.srv-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.srv-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--rp); padding: 36px 26px 28px;
  position: relative; transition: transform .2s, border-color .2s, box-shadow .2s;
  box-shadow: var(--shadow-sm);
}
.srv-card:hover { transform: translateY(-5px); border-color: var(--volt-line); box-shadow: var(--shadow-md); }
.srv-ico {
  width: 58px; height: 58px; border-radius: 16px; background: var(--volt-dim); color: var(--volt);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 18px;
}
.srv-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 10px; color: var(--text); }
.srv-card p  { font-size: 13px; color: var(--text-soft); line-height: 1.8; margin-bottom: 20px; }
.srv-link { color: var(--volt); font-size: 13px; font-weight: 800; transition: gap .2s; }
.srv-link span { transition: margin .2s; display: inline-block; }
.srv-link:hover span { margin-right: 4px; }

/* ═══ PRODUCTS ═══ */
.products { background: var(--bg); }
.filter-bar { display: flex; gap: 10px; justify-content: center; margin-bottom: 48px; flex-wrap: wrap; }
.f-btn {
  background: var(--panel); border: 1px solid var(--line-2);
  color: var(--text-soft); padding: 9px 24px; border-radius: 30px;
  font-family: inherit; font-size: 14px; font-weight: 700; cursor: pointer; transition: all .18s;
}
.f-btn.active, .f-btn:hover { background: var(--volt-dim); border-color: var(--volt-line); color: var(--volt); }
.prd-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.prd-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--rp); overflow: hidden; transition: all .2s;
  box-shadow: var(--shadow-sm); position: relative;
}
.prd-card:hover { transform: translateY(-5px); border-color: var(--volt-line); box-shadow: var(--shadow-md); }
.prd-img {
  background: var(--bg); height: 150px;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--line);
}
.prd-img svg { width: 110px; }
.prd-info { padding: 20px 22px; }
.prd-brand { font-size: 11px; color: var(--volt); font-weight: 800; letter-spacing: 1px; text-transform: uppercase; font-family: 'JetBrains Mono', monospace; }
.prd-info h3 { font-size: 16px; font-weight: 800; margin: 6px 0 16px; color: var(--text); }
.prd-foot { display: flex; align-items: center; justify-content: space-between; }
.prd-price { font-size: 14px; font-weight: 800; color: var(--spark); font-family: 'JetBrains Mono', monospace; }
.prd-price small { font-size: 11px; font-weight: 400; color: var(--muted); font-family: 'Vazirmatn'; }
.prd-card.hidden { visibility: hidden; pointer-events: none; }

/* ═══ GALLERY ═══ */
.gal-grid { display: grid; grid-template-columns: repeat(3,1fr); grid-auto-rows: 200px; gap: 16px; }
.gal-item { position: relative; overflow: hidden; border-radius: var(--r); cursor: pointer; border: 1px solid var(--line); }
.gal-item.wide { grid-column: span 2; }
.gal-face {
  width: 100%; height: 100%; background: var(--panel);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  transition: transform .4s;
}
.gal-icon {
  width: 56px; height: 56px; border-radius: 16px; background: var(--volt-dim); color: var(--volt);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.gal-face span { font-size: 14px; font-weight: 700; color: var(--text); }
.gal-hover {
  position: absolute; inset: 0; background: rgba(10,14,19,.94);
  display: flex; align-items: flex-end; padding: 22px;
  opacity: 0; transition: opacity .3s;
}
.gal-hover p { color: #2BE9C8; font-weight: 800; font-size: 15px; }
.gal-item:hover .gal-hover { opacity: 1; }
.gal-item:hover .gal-face { transform: scale(1.05); }

/* ═══ CTA ═══ */
.cta-sec { position: relative; padding: 90px 0; overflow: hidden; background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 700px 400px at 50% 0%, rgba(255,176,32,.10), transparent 65%);
}
.cta-box { position: relative; z-index: 1; text-align: center; }
.cta-box h2 { font-family:'Vazirmatn',sans-serif; font-size: clamp(28px,4vw,46px); font-weight: 800; margin-bottom: 12px; color: var(--text); letter-spacing: -.5px; }
.cta-box p  { color: var(--text-soft); font-size: 16px; margin-bottom: 34px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-wa {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel-2); color: var(--text); font-weight: 800; font-size: 15px;
  padding: 13px 28px; border-radius: 30px; border: 1px solid var(--line-2);
  transition: all .18s;
}
.btn-wa:hover { border-color: var(--volt-line); color: var(--volt); transform: translateY(-2px); }

/* ═══ CONTACT ═══ */
.contact { background: var(--bg); }
.cnt-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; }
.cnt-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 18px 20px; margin-bottom: 14px;
  transition: all .18s;
}
.cnt-card:hover { border-color: var(--volt-line); transform: translateY(-2px); }
.cnt-ico {
  width: 40px; height: 40px; border-radius: 12px; background: var(--volt-dim); color: var(--volt);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.cnt-card h4 { font-size: 12px; color: var(--volt); font-weight: 800; margin-bottom: 5px; letter-spacing: .3px; }
.cnt-card p, .cnt-card a { font-size: 14px; color: var(--text-soft); }
.cnt-card a:hover { color: var(--volt); }

.map-real { margin-top: 14px; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.map-real iframe { display: block; }
.map-open-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px; background: var(--panel);
  color: var(--volt); font-size: 13px; font-weight: 700;
  transition: background .2s;
}
.map-open-btn:hover { background: var(--panel-2); }

.cnt-form {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--rp); padding: 38px; box-shadow: var(--shadow-sm);
}
.cnt-form h3 { font-family:'Vazirmatn',sans-serif; font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 26px; }
.fg { margin-bottom: 18px; }
.fg label { display: block; font-size: 13px; font-weight: 700; color: var(--text-soft); margin-bottom: 7px; }
.fg input, .fg select, .fg textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line-2);
  border-radius: 10px; color: var(--text);
  font-family: inherit; font-size: 14px;
  padding: 12px 16px; outline: none; transition: border-color .15s, box-shadow .15s;
  direction: rtl;
}
.fg input::placeholder, .fg textarea::placeholder { color: var(--muted); }
.fg input:focus, .fg select:focus, .fg textarea:focus { border-color: var(--volt); box-shadow: 0 0 0 3px var(--volt-dim); }
.fg select option { background: var(--panel-2); }
.fg textarea { resize: vertical; }
.full-w { width: 100%; }
.form-ok {
  display: none; margin-top: 14px; padding: 14px;
  background: rgba(62,213,152,.1); border: 1px solid rgba(62,213,152,.4);
  border-radius: 10px; text-align: center;
  color: var(--good); font-weight: 700; font-size: 14px;
}

/* ═══ FOOTER ═══ */
.footer { background: var(--panel); color: var(--text); border-top: 1px solid var(--line); padding: 68px 0 0; }
.ftr-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 52px; }
.ftr-logo { height: 50px; margin-bottom: 18px; }
.ftr-brand p { font-size: 13px; color: var(--text-soft); line-height: 1.9; margin-bottom: 18px; }
.ftr-socials { display: flex; flex-direction: column; gap: 10px; }
.ftr-socials a {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel-2); border: 1px solid var(--line-2);
  color: var(--text); padding: 9px 16px; border-radius: 30px;
  font-size: 13px; transition: all .18s; width: fit-content;
}
.ftr-socials a:hover { border-color: var(--volt-line); color: var(--volt); }
.ftr-col h4 { font-family:'Vazirmatn',sans-serif; font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 16px; }
.ftr-col ul { display: flex; flex-direction: column; gap: 9px; }
.ftr-col li, .ftr-col p { font-size: 13px; color: var(--text-soft); }
.ftr-col a:hover { color: var(--volt); }
.ftr-col p + p { margin-top: 8px; }
.ftr-bottom { border-top: 1px solid var(--line); padding: 22px 0; text-align: center; }
.ftr-bottom p { font-size: 13px; color: var(--muted); }

/* ═══ PRODUCT ACTIONS ═══ */
.prd-actions { display: flex; gap: 8px; align-items: center; }
.btn-cart {
  background: var(--spark); color: var(--on-accent); font-weight: 800; font-size: 12px;
  padding: 8px 14px; border-radius: 30px; border: none;
  cursor: pointer; font-family: inherit; transition: all .15s; white-space: nowrap;
}
.btn-cart:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn-cart.added { background: var(--good); }

/* ═══ CART FAB ═══ */
.cart-fab {
  position: fixed; bottom: 28px; left: 28px; z-index: 900;
  background: var(--spark); color: var(--on-accent); font-weight: 800; font-size: 14px;
  padding: 14px 22px; border-radius: 50px; border: none;
  cursor: pointer; font-family: inherit;
  box-shadow: var(--shadow-lift);
  display: flex; align-items: center; gap: 8px;
  transition: all .18s;
}
.cart-fab:hover { transform: translateY(-2px); filter: brightness(1.07); }
.cart-count {
  background: var(--danger); color: #fff;
  font-size: 11px; font-weight: 900;
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  animation: popIn .3s ease;
}
@keyframes popIn { 0%{transform:scale(0);} 70%{transform:scale(1.2);} 100%{transform:scale(1);} }

/* ═══ CART SIDEBAR ═══ */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(5,7,10,.7);
  z-index: 1100; opacity: 0; pointer-events: none; transition: opacity .3s;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: 380px; max-width: 95vw; z-index: 1200;
  background: var(--bg); border-left: 1px solid var(--line-2);
  display: flex; flex-direction: column;
  transform: translateX(-100%); transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--shadow-md);
}
.cart-sidebar.open { transform: translateX(0); }
.cart-head { display: flex; align-items: center; justify-content: space-between; padding: 22px 22px 18px; background: var(--panel); border-bottom: 1px solid var(--line); }
.cart-head h3 { font-size: 18px; font-weight: 800; color: var(--text); }
.cart-close {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--panel-2); border: 1px solid var(--line-2);
  color: var(--text); font-size: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: all .18s;
}
.cart-close:hover { transform: rotate(90deg); border-color: var(--volt-line); color: var(--volt); }
.cart-items { flex: 1; overflow-y: auto; padding: 16px; }
.cart-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 12px; height: 100%; color: var(--muted); padding: 60px 0;
}
.cart-empty span { font-size: 48px; opacity: .4; }
.cart-empty p { font-size: 15px; }
.cart-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 13px 16px; margin-bottom: 10px;
  animation: fadeUp .3s ease;
}
.cart-item-info { flex: 1; }
.cart-item-info small { font-size: 11px; color: var(--volt); font-weight: 800; }
.cart-item-info h4 { font-size: 14px; font-weight: 700; margin: 3px 0 5px; color: var(--text); }
.cart-item-price { font-size: 13px; color: var(--text-soft); font-family: 'JetBrains Mono', monospace; }
.cart-item-qty { display: flex; align-items: center; gap: 8px; }
.qty-btn {
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--panel-2); border: 1px solid var(--line-2);
  color: var(--text); font-size: 15px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.qty-btn:hover { border-color: var(--volt-line); color: var(--volt); }
.qty-num { font-size: 15px; font-weight: 800; min-width: 20px; text-align: center; color: var(--text); }
.cart-item-del {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--danger-dim); border: 1px solid rgba(255,92,92,.35);
  color: var(--danger); font-size: 13px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: all .15s;
}
.cart-item-del:hover { background: var(--danger); color: #fff; }
.cart-footer { padding: 16px 18px 22px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.cart-total {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 13px 18px;
}
.cart-total span { color: var(--text-soft); font-size: 14px; }
.cart-total strong { color: var(--spark); font-size: 17px; font-weight: 800; font-family: 'JetBrains Mono', monospace; }
.cart-note input {
  width: 100%; background: var(--panel); border: 1px solid var(--line-2);
  border-radius: var(--r); color: var(--text);
  font-family: inherit; font-size: 14px; padding: 11px 16px; outline: none;
}
.cart-note input:focus { border-color: var(--volt); box-shadow: 0 0 0 3px var(--volt-dim); }
.cart-hint { text-align: center; font-size: 11px; color: var(--muted); margin-top: -4px; }

/* ═══ REVEAL ═══ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ═══ RESPONSIVE ═══ */
@media(max-width:1024px){
  .about-wrap { grid-template-columns:1fr; gap:48px; }
  .srv-grid   { grid-template-columns:repeat(2,1fr); }
  .prd-grid   { grid-template-columns:repeat(2,1fr); }
  .cnt-wrap   { grid-template-columns:1fr; }
  .ftr-grid   { grid-template-columns:1fr 1fr; }
  .hero-inner { flex-direction:column; text-align:center; }
  .hero-content { max-width:100%; }
  .hero-cta, .hero-phones, .hero-stats { justify-content:center; }
  .hero-stats { margin: 0 auto; }
  .hero-visual { flex:none; }
}

/* ═══ MOBILE (640px) ═══ */
@media(max-width:640px){
  .nav-links, .nav-phone { display:none; }
  .hamburger { display:flex; }
  .navbar { top:0 !important; padding:10px 0 !important; background: rgba(255,255,255,.92) !important; backdrop-filter: blur(14px); }
  .navbar.scrolled { top:0 !important; }
  .nav-container { padding:0 16px; }
  .logo-img { height:36px; }

  .nav-links.open {
    display:flex; flex-direction:column;
    position:fixed; top:0; right:0; width:82vw; max-width:300px; height:100vh;
    background:var(--panel); border-left:1px solid var(--line-2);
    padding:72px 20px 24px; z-index:1300; gap:4px;
  }
  .nav-links.open a { font-size:16px; padding:13px 16px; border-radius:10px; }

  .emergency-bar { padding:8px 0; }
  .emr-inner { flex-direction:column; gap:8px; text-align:center; }
  .emr-text { font-size:13px; }
  .emr-btn { font-size:13px; padding:8px 20px; }

  .hero { padding-top:100px; }
  .hero-inner { padding:100px 16px 60px; gap:32px; }
  .hero-content h1 { font-size:32px; }
  .hero-sub { font-size:13px; }
  .hero-cta { flex-direction:column; }
  .hero-cta a { text-align:center; justify-content: center; }
  .hero-phones { flex-direction:column; align-items:center; }
  .phone-chip { width:100%; text-align:center; font-size:15px; padding:12px; }
  .hero-stats { gap:0; flex-wrap: wrap; }
  .num { font-size:24px; }
  .hero-visual { display:none; }

  .ticker-track span { padding:0 16px; font-size:12px; }

  .section { padding:64px 0; }
  .container { padding:0 16px; }
  .sec-head { margin-bottom:40px; }
  .sec-head h2 { font-size:28px; }

  .feat-grid  { grid-template-columns:1fr; }
  .about-right{ grid-template-columns:1fr 1fr; gap:12px; }
  .acard      { padding:20px 16px; }

  .srv-grid { grid-template-columns:1fr; gap:16px; }
  .srv-card { padding:26px 20px; }

  .prd-grid { grid-template-columns:1fr 1fr; gap:14px; }
  .filter-bar { gap:8px; }
  .f-btn { padding:8px 16px; font-size:13px; }
  .prd-info h3 { font-size:14px; }
  .prd-price { font-size:12px; }
  .prd-actions { flex-direction:column; gap:6px; }
  .btn-sm, .btn-cart { width:100%; text-align:center; font-size:12px; padding:7px 10px; justify-content: center; }

  .gal-grid { grid-template-columns:1fr 1fr; gap:10px; }
  .gal-item.wide { grid-column:span 1; }
  .gal-grid { grid-auto-rows:140px; }

  .cta-sec { padding:52px 0; }
  .cta-row { flex-direction:column; align-items:center; }
  .cta-row a { width:100%; max-width:300px; text-align:center; justify-content: center; }

  .cnt-card { padding:16px; }
  .cnt-form { padding:24px 18px; border-radius:14px; }
  .cnt-form h3 { font-size:19px; }

  .ftr-grid { grid-template-columns:1fr; gap:28px; }
  .ftr-logo { height:42px; }

  .cart-fab { bottom:20px; left:16px; padding:11px 18px; font-size:13px; }
  .cart-sidebar { width:100vw; max-width:100vw; }

  * { -webkit-overflow-scrolling:touch; }
}

/* ═══ MOBILE SMALL (400px) ═══ */
@media(max-width:400px){
  .prd-grid { grid-template-columns:1fr; }
  .about-right { grid-template-columns:1fr; }
  .hero-stats { flex-direction:column; gap:0; }
  .stat-sep { display:none; }
}

/* ═══ PRINT ═══ */
@media print {
  .emergency-bar, .navbar, .cart-fab, .cart-sidebar,
  .cart-overlay, .ticker-wrap, .hero-visual, .particles,
  .cta-sec, .scroll-hint { display: none !important; }
  body { background: #fff; color: #000; direction: rtl; }
  .hero { min-height: auto; padding: 20px 0; }
  a { text-decoration: none; color: #000; }
}

/* ═══ REDUCED MOTION ═══ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ticker-track { animation: none; }
  .battery-svg  { animation: none; }
  .vis-ring     { animation: none; }
  .waveform .trace { stroke-dashoffset: 0; animation: none; opacity: .85; }
}

/* ═══ LAZY SECTION ═══ */
.lazy-section { opacity: 0; transition: opacity .5s ease; }
.lazy-section.loaded { opacity: 1; }