/* ==========================================================================
   FIDAR PARTAK ASIA — SITE LAYER
   وابسته به fpa-design-system.css (بدون توکن جدید خارج از سیستم)
   ========================================================================== */

/* --------------------------------------------------------------------------
   HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.94);
  border-bottom-color: var(--line-gold);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  height: 84px;
  transition: height var(--dur) var(--ease);
}
.site-header.is-scrolled .header-inner { height: 64px; }

/* لوگو — Placeholder تایپوگرافیک تا رسیدن فایل رسمی */
.logo { display: flex; align-items: center; gap: var(--s-3); flex: none; }
.logo__mark {
  width: 38px; height: 38px;
  border: 1px solid var(--fpa-gold);
  border-radius: var(--r-xs);
  display: grid; place-items: center;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fpa-gold);
  background: linear-gradient(150deg, rgba(201,162,39,0.18), transparent 62%);
  transition: width var(--dur) var(--ease), height var(--dur) var(--ease);
}
.site-header.is-scrolled .logo__mark { width: 32px; height: 32px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.25; }
.logo__fa { font-size: 0.94rem; font-weight: 700; color: var(--fpa-white); }
.logo__en {
  font-family: var(--font-en);
  font-size: 0.63rem;
  letter-spacing: 0.16em;
  color: var(--fpa-faint);
}

.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: var(--s-5); justify-content: center; }
.main-nav a {
  font-size: 0.92rem;
  color: var(--fpa-muted);
  padding-block: 6px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.main-nav a:hover { color: var(--fpa-white); border-bottom-color: var(--fpa-gold); }

.header-actions { display: flex; align-items: center; gap: var(--s-4); flex: none; }
.lang-switch {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-en);
  font-size: 0.78rem;
  color: var(--fpa-faint);
}
.lang-switch .is-active { color: var(--fpa-gold); }
.lang-switch span { color: var(--line-strong); }

.nav-toggle { display: none; padding: 8px; color: var(--fpa-white); }
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 1120px) {
  .main-nav ul { gap: var(--s-4); }
  .main-nav a { font-size: 0.86rem; }
}
@media (max-width: 960px) {
  .header-inner { height: 68px; gap: var(--s-4); justify-content: space-between; }
  .site-header.is-scrolled .header-inner { height: 60px; }
  .main-nav { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: block; }
}

/* منوی موبایل */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--fpa-black);
  padding: var(--s-5) var(--gutter);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--s-7); }
.mobile-nav ul { display: flex; flex-direction: column; }
.mobile-nav li { border-bottom: 1px solid var(--line); }
.mobile-nav a { display: block; padding: 18px 0; font-size: 1.06rem; }
.mobile-nav a:active { color: var(--fpa-gold); }
.mobile-nav .btn { width: 100%; margin-top: var(--s-6); }

/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(56px, 7vw, 104px) clamp(64px, 8vw, 120px);
  background:
    radial-gradient(120% 80% at 72% 18%, rgba(201, 162, 39, 0.10) 0%, transparent 58%),
    var(--fpa-black);
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__title {
  font-size: var(--fs-display);
  font-weight: 800;
  margin-block: var(--s-5) var(--s-4);
}
.hero__subtitle {
  font-size: var(--fs-lead);
  color: var(--fpa-gold-soft);
  font-weight: 500;
}
.hero__desc {
  margin-block: var(--s-5);
  color: var(--fpa-muted);
  max-width: 54ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }

.hero__figure { position: relative; }
.hero__figure figcaption {
  margin-top: var(--s-3);
  font-size: var(--fs-xs);
  color: var(--fpa-faint);
  text-align: center;
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: minmax(0, 1fr); }
  .hero__figure { order: -1; }
}

/* انیمیشن واحد و هدفمند: عبور یک خط نور روی نقشه فنی */
.schematic { width: 100%; height: auto; }
.schematic .stroke { stroke: var(--line-strong); fill: none; stroke-width: 1.2; }
.schematic .stroke-strong { stroke: #6F6D67; fill: none; stroke-width: 1.6; }
.schematic .gold { stroke: var(--fpa-gold); fill: none; stroke-width: 1.4; }
.schematic .dim { stroke: rgba(201,162,39,0.5); stroke-width: 0.8; fill: none; }
.schematic .label {
  fill: var(--fpa-faint);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.08em;
}
.schematic .fill-dark { fill: #191919; }
.schematic .fill-mid { fill: #232323; }

.sweep { animation: sweep 5.5s var(--ease) 0.6s infinite; }
@keyframes sweep {
  0%   { transform: translateX(0); opacity: 0; }
  12%  { opacity: 1; }
  55%  { opacity: 1; }
  70%, 100% { transform: translateX(-330px); opacity: 0; }
}

/* --------------------------------------------------------------------------
   COMPANY
   -------------------------------------------------------------------------- */
.company__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 5vw, 72px);
}
.company__body p + p { margin-top: var(--s-4); }
.company__body p { color: var(--fpa-muted); }
.company__aside { border-inline-start: 1px solid var(--line); padding-inline-start: var(--s-5); }
@media (max-width: 860px) {
  .company__grid { grid-template-columns: minmax(0, 1fr); }
  .company__aside { border-inline-start: 0; padding-inline-start: 0; border-top: 1px solid var(--line); padding-top: var(--s-5); }
}
.stat-list li { padding-block: var(--s-3); border-bottom: 1px dashed var(--line); }
.stat-list li:last-child { border-bottom: 0; }
.stat-list strong { display: block; color: var(--fpa-white); font-size: 0.98rem; }
.stat-list span { font-size: var(--fs-sm); color: var(--fpa-faint); }

/* --------------------------------------------------------------------------
   QUALITY — تنها جایی که شماره‌گذاری واقعاً یک توالی است
   -------------------------------------------------------------------------- */
.process { position: relative; display: grid; gap: var(--s-5); grid-template-columns: repeat(5, minmax(0, 1fr)); }
.process__line {
  position: absolute;
  inset-block-start: 15px;
  inset-inline: 0;
  height: 1px;
  background: var(--line);
}
.process__line::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: var(--progress, 0%);
  background: var(--fpa-gold);
  transition: width 1.4s var(--ease);
}
.step { position: relative; padding-top: var(--s-6); }
.step__dot {
  position: absolute;
  inset-block-start: 10px;
  inset-inline-start: 0;
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1px solid var(--fpa-gold);
  background: var(--fpa-black);
}
.step__num {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: var(--fpa-gold);
  letter-spacing: 0.14em;
}
.step h3 { font-size: 1.02rem; margin-block: var(--s-2) var(--s-2); }
.step p { color: var(--fpa-faint); font-size: var(--fs-sm); line-height: var(--lh-snug); }

@media (max-width: 860px) {
  .process { grid-template-columns: minmax(0, 1fr); gap: 0; padding-inline-start: var(--s-5); }
  .process__line { inset-block: 6px 0; inset-inline: auto; inset-inline-start: 0; width: 1px; height: auto; }
  .process__line::after { inset-inline: 0; inset-block-start: 0; width: auto; height: var(--progress, 0%); transition: height 1.4s var(--ease); }
  .step { padding-top: 0; padding-bottom: var(--s-6); padding-inline-start: var(--s-5); }
  .step__dot { inset-block-start: 6px; inset-inline-start: -5px; }
}

/* --------------------------------------------------------------------------
   APPLICATIONS
   -------------------------------------------------------------------------- */
.app-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-5);
  background: var(--fpa-charcoal);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.section--charcoal .app-card { background: var(--fpa-graphite); }
.app-card:hover { border-color: var(--line-gold); }
.app-card__icon {
  flex: none;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-sm);
  color: var(--fpa-gold);
}
.app-card__icon svg { width: 20px; height: 20px; }
.app-card h3 { font-size: 1rem; margin: 0; }
.app-card p { font-size: var(--fs-sm); color: var(--fpa-faint); margin-top: 2px; }

/* --------------------------------------------------------------------------
   EXPORT
   -------------------------------------------------------------------------- */
.export__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 860px) { .export__grid { grid-template-columns: minmax(0, 1fr); } }
.globe { width: 100%; max-width: 420px; margin-inline: auto; }
.globe .line { stroke: var(--line-strong); fill: none; stroke-width: 1; }
.globe .accent { stroke: var(--fpa-gold); fill: none; stroke-width: 1.2; }
.globe .node { fill: var(--fpa-gold); }

/* --------------------------------------------------------------------------
   RESOURCES
   -------------------------------------------------------------------------- */
.res-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-inline-start var(--dur) var(--ease);
}
.res-row:first-child { border-top: 1px solid var(--line); }
.res-row:hover { padding-inline-start: var(--s-3); }
.res-row h3 { font-size: 1.02rem; }
.res-row p { font-size: var(--fs-sm); color: var(--fpa-faint); margin-top: 2px; }
.res-row__state {
  flex: none;
  font-size: var(--fs-xs);
  color: var(--fpa-gold-soft);
  border: 1px solid var(--line-gold);
  border-radius: var(--r-xs);
  padding: 5px 10px;
}

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */
.cta {
  background:
    radial-gradient(90% 120% at 15% 0%, rgba(201, 162, 39, 0.12), transparent 60%),
    var(--fpa-charcoal);
  border-block: 1px solid var(--line-gold);
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  flex-wrap: wrap;
}
.cta h2 { font-size: var(--fs-h2); max-width: 22ch; }
.cta p { color: var(--fpa-muted); margin-top: var(--s-3); max-width: 48ch; }

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer { background: var(--fpa-black); padding-block: var(--s-8) var(--s-5); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: var(--s-6);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: minmax(0, 1fr); } }

.footer-brand p { color: var(--fpa-faint); font-size: var(--fs-sm); margin-top: var(--s-4); max-width: 34ch; }
.footer-col h4 { font-size: 0.92rem; color: var(--fpa-white); margin-bottom: var(--s-4); }
.footer-col li { margin-bottom: var(--s-3); }
.footer-col a { font-size: var(--fs-sm); color: var(--fpa-muted); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--fpa-gold-soft); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  padding-top: var(--s-5);
  font-size: var(--fs-xs);
  color: var(--fpa-faint);
}

/* --------------------------------------------------------------------------
   PAGE HERO — سربرگ صفحات داخلی
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding-block: clamp(48px, 6vw, 88px) clamp(32px, 4vw, 56px);
  background:
    radial-gradient(110% 90% at 82% 0%, rgba(201, 162, 39, 0.09) 0%, transparent 58%),
    var(--fpa-black);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: var(--fs-h1); margin-block: var(--s-4) var(--s-3); }
.page-hero p { color: var(--fpa-muted); max-width: 60ch; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: var(--s-2); font-size: var(--fs-xs); color: var(--fpa-faint); }
.breadcrumb a { color: var(--fpa-faint); }
.breadcrumb a:hover { color: var(--fpa-gold-soft); }
.breadcrumb li + li::before { content: "‹"; margin-inline-end: var(--s-2); color: var(--line-strong); }
.breadcrumb ol, .breadcrumb ul { display: flex; flex-wrap: wrap; gap: var(--s-2); }

/* --------------------------------------------------------------------------
   PRODUCT DETAIL
   -------------------------------------------------------------------------- */
.pd__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
@media (max-width: 900px) { .pd__top { grid-template-columns: minmax(0, 1fr); } }

.pd__media {
  aspect-ratio: 4 / 3;
  background: radial-gradient(ellipse at 50% 35%, #232323 0%, #131313 62%, #0C0C0C 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  position: relative;
}
.pd__thumbs { display: flex; gap: var(--s-3); margin-top: var(--s-3); }
.pd__thumbs button {
  width: 72px; aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--fpa-graphite);
}
.pd__thumbs button[aria-current="true"] { border-color: var(--fpa-gold); }

.pd__title { font-size: var(--fs-h1); margin-bottom: var(--s-3); }
.pd__lead { color: var(--fpa-muted); }
.pd__actions { display: flex; gap: var(--s-3); flex-wrap: wrap; margin-top: var(--s-6); }

.feature-list li {
  position: relative;
  padding-inline-start: var(--s-5);
  padding-block: 7px;
  color: var(--fpa-muted);
  font-size: var(--fs-sm);
}
.feature-list li::before {
  content: "";
  position: absolute;
  inset-block-start: 17px;
  inset-inline-start: 0;
  width: 12px; height: 1px;
  background: var(--fpa-gold);
}

/* جدول مشخصات فنی */
.spec-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.spec-table th, .spec-table td {
  text-align: start;
  padding: 14px var(--s-4);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec-table th { color: var(--fpa-muted); font-weight: 500; width: 42%; }
.spec-table td { color: var(--fpa-white); }
.spec-table tr:nth-child(odd) { background: rgba(255, 255, 255, 0.018); }
.spec-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); }

.pending-block {
  border: 1px dashed var(--line-gold);
  border-radius: var(--r-md);
  padding: var(--s-5);
  color: var(--fpa-muted);
  font-size: var(--fs-sm);
  background: rgba(201, 162, 39, 0.04);
}

/* --------------------------------------------------------------------------
   FORM LAYOUT
   -------------------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: minmax(0, 1fr); } }

.alert {
  border-radius: var(--r-sm);
  padding: var(--s-4);
  font-size: var(--fs-sm);
  margin-bottom: var(--s-5);
  border: 1px solid var(--line-strong);
}
.alert--ok { border-color: var(--line-gold); color: var(--fpa-gold-soft); background: rgba(201,162,39,0.06); }
.alert--err { border-color: #7A3B3B; color: #E6A5A5; background: rgba(122,59,59,0.12); }

.contact-list li { padding-block: var(--s-4); border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list span { display: block; font-size: var(--fs-xs); color: var(--fpa-faint); margin-bottom: 4px; }
.contact-list strong { font-weight: 500; color: var(--fpa-white); }

/* --------------------------------------------------------------------------
   ARTICLES
   -------------------------------------------------------------------------- */
.empty-state {
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  padding: var(--s-8) var(--s-5);
  text-align: center;
  color: var(--fpa-muted);
}
.empty-state h3 { font-size: var(--fs-h3); margin-bottom: var(--s-3); }

/* --------------------------------------------------------------------------
   LOGO — فایل رسمی برند
   -------------------------------------------------------------------------- */
.logo__img {
  height: 34px;
  width: auto;
  transition: height var(--dur) var(--ease);
}
.site-header.is-scrolled .logo__img { height: 27px; }
.mobile-nav .logo__img { height: 30px; }

.logo--footer img { height: auto; width: clamp(200px, 60%, 260px); }

@media (max-width: 480px) {
  .logo__img { height: 28px; }
  .logo__text { display: none; }
}

/* --------------------------------------------------------------------------
   HERO 3D
   -------------------------------------------------------------------------- */
.hero3d {
  width: 100%;
  aspect-ratio: 1 / 0.78;
  cursor: grab;
}
.hero3d canvas { width: 100% !important; height: auto !important; display: block; }
.hero3d:active { cursor: grabbing; }

/* --------------------------------------------------------------------------
   CHIPS — فیلتر دسته‌بندی
   -------------------------------------------------------------------------- */
.chip-row { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: var(--fs-sm);
  color: var(--fpa-muted);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.chip:hover { border-color: var(--fpa-gold); color: var(--fpa-gold-soft); }
.chip[aria-current="true"] { border-color: var(--fpa-gold); color: var(--fpa-black); background: var(--fpa-gold); }

/* --------------------------------------------------------------------------
   ARTICLE
   -------------------------------------------------------------------------- */
.article-body { max-width: 68ch; }
.article-body p { color: var(--fpa-muted); margin-bottom: var(--s-4); }
.article-body h2 { font-size: var(--fs-h3); margin-block: var(--s-6) var(--s-3); }
.article-body h3 { font-size: 1.05rem; margin-block: var(--s-5) var(--s-2); }
.article-body ul { list-style: disc; padding-inline-start: var(--s-5); color: var(--fpa-muted); margin-bottom: var(--s-4); }
.article-body img { border-radius: var(--r-md); margin-block: var(--s-5); }
.article-meta { font-size: var(--fs-xs); color: var(--fpa-faint); }

.card__media {
  aspect-ratio: 16 / 9;
  background: var(--fpa-charcoal);
  border-radius: var(--r-sm);
  overflow: hidden;
  margin-bottom: var(--s-4);
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }

/* --------------------------------------------------------------------------
   HERO SLIDER — Product Hero Slideshow
   -------------------------------------------------------------------------- */
.hero-slider {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(130% 85% at 78% 12%, rgba(201, 162, 39, 0.11) 0%, transparent 55%),
    radial-gradient(90% 70% at 8% 100%, rgba(216, 180, 90, 0.06) 0%, transparent 60%),
    var(--fpa-black);
}
.hero-slider__track { position: relative; min-height: clamp(560px, 82vh, 760px); }

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 900ms var(--ease);
  padding-block: clamp(72px, 8vw, 112px) clamp(96px, 10vw, 140px);
}
.hero-slide.is-active { position: relative; opacity: 1; visibility: visible; z-index: 2; }
.hero-slide.is-prev,
.hero-slide.is-next { opacity: 0; z-index: 1; }

.hero-slide__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  width: 100%;
}

.hero-slide__title {
  font-size: var(--fs-display);
  font-weight: 800;
  margin-block: var(--s-5) var(--s-4);
  transform: translateY(14px);
  opacity: 0;
  transition: transform 700ms var(--ease) 120ms, opacity 700ms var(--ease) 120ms;
}
.hero-slide__desc {
  color: var(--fpa-muted);
  max-width: 54ch;
  margin-bottom: var(--s-5);
  transform: translateY(14px);
  opacity: 0;
  transition: transform 700ms var(--ease) 200ms, opacity 700ms var(--ease) 200ms;
}
.hero-slide.is-active .hero-slide__title,
.hero-slide.is-active .hero-slide__desc { transform: translateY(0); opacity: 1; }

.hero-slide__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-bottom: var(--s-6);
}
.hero-slide__specs li {
  font-size: var(--fs-xs);
  color: var(--fpa-gold-soft);
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(201,162,39,0.08), transparent);
  border-radius: var(--r-sm);
  padding: 7px 13px;
}

.hero-slide__media {
  position: relative;
  aspect-ratio: 4 / 3.4;
  display: grid;
  place-items: center;
}
.hero-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.65));
  transform: scale(1.04);
  transition: transform 8s linear;
}
.hero-slide.is-active .hero-slide__media img { transform: scale(1.1); }

.hero-slide__glow {
  position: absolute;
  inset: 6% 10%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(201,162,39,0.16), transparent 72%);
  filter: blur(6px);
  pointer-events: none;
}

/* --- ناوبری --- */
.hero-slider__nav {
  position: absolute;
  inset-inline: 0;
  inset-block-end: clamp(20px, 3vw, 36px);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-5);
}
.hero-slider__arrow {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--fpa-muted);
  background: rgba(10,10,10,0.4);
  backdrop-filter: blur(6px);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
  flex: none;
}
.hero-slider__arrow svg { width: 18px; height: 18px; }
.hero-slider__arrow:hover { border-color: var(--fpa-gold); color: var(--fpa-gold-soft); }

.hero-slider__dots { display: flex; gap: 10px; }
.hero-slider__dot {
  position: relative;
  width: 44px; height: 3px;
  border-radius: 999px;
  background: var(--line-strong);
  overflow: hidden;
}
.hero-slider__dot.is-active { background: rgba(201,162,39,0.28); }
.hero-slider__progress {
  position: absolute;
  inset-block: 0; inset-inline-start: 0;
  width: 0%;
  background: var(--fpa-gold);
  border-radius: 999px;
}
.hero-slider__dot.is-active .hero-slider__progress { animation: sliderProgress linear forwards; }
@keyframes sliderProgress { from { width: 0%; } to { width: 100%; } }

@media (max-width: 900px) {
  .hero-slide__inner { grid-template-columns: minmax(0, 1fr); }
  .hero-slide__media { order: -1; aspect-ratio: 4/3; }
  .hero-slide { padding-block: clamp(56px, 8vw, 88px) clamp(120px, 14vw, 160px); }
  .hero-slider__nav { inset-block-end: 18px; gap: var(--s-3); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-slide__media img,
  .hero-slide.is-active .hero-slide__media img { transition: none; transform: none; }
  .hero-slide__title, .hero-slide__desc { transition: none; transform: none; opacity: 1; }
}

/* --------------------------------------------------------------------------
   PREMIUM POLISH — پرداخت پرمیوم‌تر روی هویت تیره فعلی
   -------------------------------------------------------------------------- */

/* عمق بیشتر برای کارت‌ها: خط نور ظریف از بالا، به‌جای سایه صاف قبلی */
.card, .product-card, .app-card {
  position: relative;
  box-shadow: var(--shadow-sm);
}
.card::before, .product-card::before, .app-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
  border-radius: var(--r-md) var(--r-md) 0 0;
}
.card:hover, .product-card:hover, .app-card:hover {
  box-shadow: var(--shadow-md), 0 0 0 1px var(--line-gold);
}

/* برچسب‌های tag با وزن بصری بیشتر */
.tag { position: relative; padding-inline-start: 2px; }

/* دکمه طلایی: گرادیان متالیک ظریف به‌جای رنگ تخت */
.btn--gold {
  background: linear-gradient(165deg, var(--fpa-gold-soft) 0%, var(--fpa-gold) 55%, #b89020 100%);
  box-shadow: 0 10px 24px -12px rgba(201,162,39,0.5);
}
.btn--gold:hover {
  background: linear-gradient(165deg, #e2c273 0%, var(--fpa-gold-soft) 55%, var(--fpa-gold) 100%);
  box-shadow: 0 14px 30px -12px rgba(201,162,39,0.65);
}

/* هدر: کمی عمق بیشتر روی حالت اسکرول‌شده */
.site-header.is-scrolled { box-shadow: 0 12px 30px -18px rgba(0,0,0,0.8); }

/* بخش‌های charcoal: گرادیان ظریف به‌جای رنگ صاف، حس لایه‌بندی بیشتر */
.section--charcoal {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.015), transparent 40%),
    var(--fpa-charcoal);
}

/* رول طلایی بین بخش‌ها با درخشش ملایم‌تر و عریض‌تر */
.rule { height: 1px; opacity: 0.9; }