/* ==========================================================================
   پناه الکتریک — Shared design system (public site)
   Persian RTL · dark tech-repair theme
   ========================================================================== */
@font-face { font-family: 'Vazirmatn'; src: url('../fonts/Vazirmatn-Regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('../fonts/Vazirmatn-Medium.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('../fonts/Vazirmatn-Bold.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('../fonts/Vazirmatn-Black.woff2') format('woff2'); font-weight: 900; font-style: normal; font-display: swap; }

:root {
  --ink: #0f1420; --ink-2: #0b0f18; --panel: #161d2e; --panel-2: #1c2540; --line: #26304a;
  --cyan: #2dd4ff; --cyan-dim: #1a9ec4; --amber: #ffb020; --amber-dk: #e89400;
  --text: #e6ebf5; --muted: #8b96ab; --white: #ffffff; --wa: #1eb45a;
  --radius: 16px; --radius-sm: 10px; --maxw: 1160px; --gap: clamp(1rem, 3vw, 2rem);
  --header-h: 72px; --mcta-h: 64px;
  --glow-cyan: 0 0 0 1px rgba(45,212,255,.25), 0 8px 30px -8px rgba(45,212,255,.35);
  --shadow: 0 20px 50px -20px rgba(0,0,0,.7);
  color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Vazirmatn', Tahoma, sans-serif; background: var(--ink); color: var(--text);
  line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
img { display: block; height: auto; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; }
address { font-style: normal; }
.ltr { direction: ltr; unicode-bidi: embed; display: inline-block; }
.skip { position: absolute; inset-inline-start: 1rem; top: -100px; z-index: 100; background: var(--cyan); color: var(--ink-2);
  padding: .6rem 1rem; border-radius: 10px; font-weight: 700; }
.skip:focus { top: 1rem; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-tight { padding-block: clamp(2rem, 5vw, 3rem) clamp(3rem, 7vw, 5rem); }

/* ---- Eyebrow / headings ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; font-size: .82rem; font-weight: 700; letter-spacing: .02em;
  color: var(--cyan); padding: .35rem .8rem; border: 1px solid rgba(45,212,255,.3); border-radius: 100px; background: rgba(45,212,255,.06);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
h1, h2, h3 { line-height: 1.35; font-weight: 900; color: var(--white); }
.h-section { font-size: clamp(1.55rem, 4vw, 2.4rem); margin-block: .8rem 0; }
.lead { color: var(--muted); max-width: 62ch; font-size: clamp(1rem, 2.2vw, 1.08rem); }
.sec-head .lead { margin-top: .6rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 48px;
  font-family: inherit; font-weight: 700; font-size: 1rem; padding: .8rem 1.5rem; border-radius: 100px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s, color .2s;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--amber); color: #241700; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(255,176,32,.6); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: var(--glow-cyan); transform: translateY(-2px); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(30,180,90,.6); }
.cta-row { display: flex; gap: .7rem; flex-wrap: wrap; justify-content: center; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid var(--line); }
/* blur lives on a pseudo-element: backdrop-filter on the header itself would trap the fixed mobile menu */
.site-header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(11,15,24,.85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.nav { display: flex; align-items: center; gap: 1.5rem; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: .65rem; font-weight: 900; font-size: 1.15rem; color: var(--white); flex: none; }
.brand .logo-mark { width: 40px; height: 40px; border-radius: 11px; background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  display: grid; place-items: center; box-shadow: 0 0 18px -4px var(--cyan); }
.brand .logo-mark svg { width: 22px; height: 22px; }
.brand small { display: block; font-size: .66rem; font-weight: 500; color: var(--muted); letter-spacing: .12em; line-height: 1.3; }

.nav-menu { display: flex; align-items: center; gap: 1.25rem; margin-inline-start: auto; }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a, .nav-links .soon { display: block; padding: .5rem .85rem; border-radius: 8px; font-weight: 500; color: var(--muted); transition: color .15s, background .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,.05); }
.nav-links .soon { color: #55607a; cursor: default; }
.nav-links .soon::after { content: "به‌زودی"; font-size: .6rem; font-weight: 700; background: var(--panel-2); color: var(--cyan);
  padding: .1rem .4rem; border-radius: 6px; margin-inline-start: .35rem; vertical-align: middle; }
.nav-cta { display: flex; align-items: center; gap: .6rem; }
.nav-cta .btn { padding: .55rem 1.1rem; font-size: .92rem; min-height: 42px; }

.burger { display: none; background: none; border: 1px solid var(--line); border-radius: 12px; width: 46px; height: 46px; cursor: pointer; margin-inline-start: auto; }
.burger span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px auto; border-radius: 2px; transition: transform .25s, opacity .2s; }
.nav.open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.open .burger span:nth-child(2) { opacity: 0; }
.nav.open .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   BREADCRUMB · PAGE HERO
   ========================================================================== */
.crumbs { font-size: .88rem; color: var(--muted); display: flex; flex-wrap: wrap; align-items: center; gap: .1rem; }
.crumbs a { color: var(--cyan); }
.crumbs a:hover { text-decoration: underline; }
.crumbs > span[aria-hidden] { margin-inline: .45rem; opacity: .6; }
.page-hero { background: radial-gradient(700px 400px at 90% -20%, rgba(45,212,255,.1), transparent 60%), var(--ink-2);
  border-bottom: 1px solid var(--line); padding-block: clamp(2rem, 6vw, 3.6rem); }
.page-hero h1 { font-size: clamp(1.7rem, 5vw, 2.7rem); margin-block: .9rem .7rem; }

/* ==========================================================================
   POST CARD (home, blog, category)
   ========================================================================== */
.post-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.post-card { display: flex; flex-direction: column; overflow: hidden; background: linear-gradient(165deg, var(--panel), var(--ink-2));
  border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, transform .2s, box-shadow .2s; }
.post-card:hover { border-color: rgba(45,212,255,.4); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,.35); }
.post-thumb { position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; overflow: hidden;
  background: radial-gradient(320px 160px at 50% 0%, rgba(45,212,255,.14), transparent 72%), var(--ink-2); border-bottom: 1px solid var(--line); }
.post-thumb > svg { width: 64px; height: 64px; color: var(--cyan); stroke-width: 1.4; transition: transform .3s; }
.post-card:hover .post-thumb > svg { transform: scale(1.08); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card.is-amber .post-thumb { background: radial-gradient(320px 160px at 50% 0%, rgba(255,176,32,.14), transparent 72%), var(--ink-2); }
.post-card.is-amber .post-thumb > svg { color: var(--amber); }
.post-thumb .tag { position: absolute; inset-block-start: .8rem; inset-inline-end: .8rem; font-size: .74rem; font-weight: 700; color: var(--cyan);
  padding: .22rem .7rem; border-radius: 100px; background: rgba(11,15,24,.8); border: 1px solid rgba(45,212,255,.3); }
.post-card.is-amber .post-thumb .tag { color: var(--amber); border-color: rgba(255,176,32,.35); }
.post-body { padding: 1.2rem 1.3rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.post-title { font-size: 1.1rem; line-height: 1.7; margin: 0 0 .5rem; font-weight: 800; }
.post-title a { color: var(--white); transition: color .15s; }
.post-title a:hover { color: var(--cyan); }
.post-body p { color: var(--muted); font-size: .94rem; line-height: 1.95; margin: 0 0 1rem; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-foot { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding-top: .85rem;
  border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.post-foot > span { display: inline-flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.post-foot .dot, .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--muted); display: inline-block; }
.post-foot .more { color: var(--cyan); font-weight: 700; white-space: nowrap; }
.post-foot .more:hover { text-decoration: underline; }

.pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: .4rem; margin-top: 2.5rem; }
.pagination a { min-width: 44px; height: 44px; display: grid; place-items: center; padding-inline: .6rem;
  border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: var(--panel); }
.pagination a:hover { border-color: var(--cyan); color: var(--cyan); }
.pagination a.active { background: var(--cyan); color: #04222c; border-color: var(--cyan); font-weight: 700; }

.empty { text-align: center; color: var(--muted); padding: 3rem 1rem; display: grid; gap: 1rem; justify-items: center; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--ink-2); border-top: 1px solid var(--line); padding-block: 3rem 1.5rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 2rem; }
.f-title { color: var(--white); font-size: 1rem; font-weight: 800; margin-bottom: 1rem; }
.footer-grid li { color: var(--muted); font-size: .95rem; margin-bottom: .55rem; }
.footer-grid a { color: var(--muted); transition: color .15s; }
.footer-grid a:hover { color: var(--cyan); }
.footer-about p { color: var(--muted); font-size: .95rem; margin-top: 1rem; }
.footer-social { display: flex; gap: .6rem; margin-top: 1rem; }
.footer-social a { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; display: grid; place-items: center; color: var(--muted); }
.footer-social a:hover { border-color: var(--cyan); color: var(--cyan); }
.footer-social svg { width: 20px; height: 20px; }
.contact-list li { display: flex; align-items: flex-start; gap: .6rem; }
.contact-list svg { width: 18px; height: 18px; flex: none; margin-top: .3rem; color: var(--cyan); }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1.5rem; display: flex; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; color: var(--muted); font-size: .86rem; }

/* ---- 404 ---- */
.not-found { text-align: center; display: grid; justify-items: center; gap: .8rem; padding-block: 2rem; }
.nf-code { font-size: clamp(5rem, 18vw, 9rem); font-weight: 900; line-height: 1; color: transparent;
  -webkit-text-stroke: 2px rgba(45,212,255,.5); text-shadow: 0 0 40px rgba(45,212,255,.25); }
.not-found h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); }
.not-found .cta-row { margin-top: .8rem; }

/* ---- Mobile quick-contact bar ---- */
.m-cta { display: none; }

/* ---- Reveal-on-scroll (only when JS is running) ---- */
.js [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.js [data-reveal].in { opacity: 1; transform: none; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .burger { display: block; }
  .brand { font-size: 1.05rem; }
  .nav-menu {
    position: fixed; inset-inline: 0; top: var(--header-h); bottom: 0; z-index: 59;
    flex-direction: column; align-items: stretch; gap: 1rem; padding: 1rem clamp(1rem, 4vw, 2rem) calc(1.5rem + env(safe-area-inset-bottom));
    background: var(--ink-2); overflow-y: auto; margin: 0;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .25s, visibility .2s;
  }
  .nav.open .nav-menu { opacity: 1; visibility: visible; transform: none; }
  .nav-links { flex-direction: column; align-items: stretch; gap: .2rem; }
  .nav-links a, .nav-links .soon { padding: .9rem 1rem; font-size: 1.05rem; border-radius: 12px; border: 1px solid transparent; }
  .nav-links a.active { border-color: var(--line); background: var(--panel); }
  .nav-cta { flex-direction: column; align-items: stretch; gap: .6rem; margin-top: auto; }
  .nav-cta .btn { min-height: 52px; font-size: 1rem; }
  body.menu-open { overflow: hidden; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  /* sticky quick-contact */
  .m-cta { display: flex; position: fixed; inset-inline: 0; bottom: 0; z-index: 55; gap: .5rem;
    padding: .55rem .75rem calc(.55rem + env(safe-area-inset-bottom)); background: rgba(11,15,24,.94);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--line);
    transition: transform .25s; }
  .m-cta a { flex: 1; display: flex; align-items: center; justify-content: center; gap: .4rem; min-height: 46px;
    border-radius: 12px; font-weight: 700; font-size: .9rem; border: 1px solid var(--line); color: var(--text); }
  .m-cta svg { width: 19px; height: 19px; }
  .m-cta .m-cta-wa { color: #35d27a; border-color: rgba(30,180,90,.4); }
  .m-cta .m-cta-main { flex: 1.4; background: var(--amber); color: #241700; border-color: var(--amber); }
  body.menu-open .m-cta { transform: translateY(110%); }
  body { padding-bottom: calc(var(--mcta-h) + env(safe-area-inset-bottom)); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .post-foot { flex-wrap: wrap; }
  .cta-row .btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* header: account + cart buttons (all pages) */
.cart-btn { position: relative; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 12px; display: grid; place-items: center; color: var(--text); flex: none; }
.cart-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.cart-btn svg { width: 22px; height: 22px; }
.cart-count { position: absolute; top: -6px; inset-inline-start: -6px; min-width: 20px; height: 20px; padding: 0 .3rem; border-radius: 999px;
  background: var(--amber); color: #241700; font-size: .72rem; font-weight: 800; display: grid; place-items: center; }
.cart-count[hidden] { display: none; }
.cart-count.bump { animation: bump .4s ease; }
@keyframes bump { 50% { transform: scale(1.35); } }

.acc-btn { width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 12px; display: grid; place-items: center; color: var(--text); flex: none; position: relative; }
.acc-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.acc-btn svg { width: 22px; height: 22px; }
.acc-btn.is-in::after { content: ""; position: absolute; bottom: 7px; inset-inline-end: 7px; width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 2px var(--ink); }