:root {
  --color-primary: #0369a1;
  --color-accent: #f59e0b;
  --color-surface: #ffffff;
  --color-surface-alt: #f8fafc;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
}

.dark {
  --color-surface: #0f172a;
  --color-surface-alt: #1e293b;
  --color-text: #f1f5f9;
  --color-muted: #94a3b8;
  --color-border: #334155;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Vazirmatn', system-ui, sans-serif;
  background: var(--color-surface);
  color: var(--color-text);
}

.container-site {
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) { .container-site { padding-inline: 1.5rem; } }

/* ── Navbar ── */
#navbar {
  background: transparent;
  border-bottom-color: transparent;
}
#navbar.nav-scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.dark #navbar.nav-scrolled {
  background: rgba(15,23,42,0.95);
  border-color: #334155;
}
#navbar.nav-on-hero:not(.nav-scrolled) .logo-text { color: #fff; }
#navbar.nav-on-hero:not(.nav-scrolled) .logo-sub { color: #cbd5e1; }
#navbar.nav-on-hero:not(.nav-scrolled) .icon-btn { color: #e2e8f0; }
#navbar.nav-on-hero:not(.nav-scrolled) .nav-login-btn {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.1);
}
#navbar.nav-on-hero:not(.nav-scrolled) #nav-pill {
  background: rgba(0,0,0,0.35);
  border-color: rgba(255,255,255,0.15);
}
#navbar.nav-on-hero:not(.nav-scrolled) .nav-pill-item { color: #e2e8f0; }
#navbar.nav-on-hero:not(.nav-scrolled) .nav-pill-item:hover,
#navbar.nav-on-hero:not(.nav-scrolled) .nav-pill-item.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.navbar-blur { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

.nav-pill-item {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #475569;
  border-radius: 9999px;
  transition: all 0.2s;
  white-space: nowrap;
}
.dark .nav-pill-item { color: #cbd5e1; }
.nav-pill-item:hover, .nav-pill-item.active {
  background: #e0f2fe;
  color: var(--color-primary);
}
.dark .nav-pill-item:hover, .dark .nav-pill-item.active {
  background: #1e3a5f;
  color: #38bdf8;
}

.nav-login-btn {
  display: none;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #0369a1;
  border: 1px solid #bae6fd;
  border-radius: 0.5rem;
  transition: all 0.2s;
}
@media (min-width: 640px) { .nav-login-btn { display: inline-flex; } }
.nav-login-btn:hover { background: #f0f9ff; }
.dark .nav-login-btn { color: #7dd3fc; border-color: #1e40af; }
.dark .nav-login-btn:hover { background: #1e3a5f; }

.dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: #475569;
  transition: background 0.15s;
}
.dark .dropdown-item { color: #cbd5e1; }
.dropdown-item:hover { background: #f0f9ff; color: var(--color-primary); }

.icon-btn {
  padding: 0.5rem;
  border-radius: 0.5rem;
  color: #64748b;
  transition: background 0.2s;
}
.icon-btn:hover { background: #f1f5f9; }
.dark .icon-btn:hover { background: #1e293b; }

.mobile-nav-item {
  display: block;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 0.5rem;
}
.mobile-nav-item:hover { background: #f1f5f9; }
.dark .mobile-nav-item:hover { background: #1e293b; }

/* ── Hero + Video ── */
.hero-zone {
  position: relative;
  min-height: min(92vh, 780px);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(4,30,51,0.88) 0%, rgba(12,74,110,0.82) 50%, rgba(6,78,59,0.85) 100%);
  z-index: 1;
}
.hero-zone .hero-content { position: relative; z-index: 2; }
.hero-zone .hero-title { color: #ffffff !important; }
.hero-zone .hero-sub { color: #cbd5e1 !important; }
.hero-zone .hero-stat-val { color: #ffffff; }
.hero-zone .hero-stat-lbl { color: #94a3b8; }

.electric-grid {
  background-image:
    linear-gradient(rgba(56,189,248,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ── Floating side nav ── */
.float-nav {
  position: fixed;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.dark .float-nav {
  background: rgba(15,23,42,0.9);
  border-color: #334155;
}
.float-nav-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.625rem;
  border-radius: 0.625rem;
  color: #64748b;
  font-size: 0.75rem;
  font-weight: 500;
  transition: all 0.2s;
  white-space: nowrap;
}
.float-nav-item:hover,
.float-nav-item.active {
  background: #e0f2fe;
  color: #0369a1;
}
.dark .float-nav-item:hover,
.dark .float-nav-item.active {
  background: #1e3a5f;
  color: #38bdf8;
}
.float-nav-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width 0.25s, opacity 0.25s;
}
.float-nav:hover .float-nav-label {
  max-width: 5rem;
  opacity: 1;
}
.float-nav-item.active .float-nav-label { max-width: 5rem; opacity: 1; }

/* ── FAQ panel height ── */
.faq-panel { min-height: 420px; }
@media (min-width: 1024px) { .faq-panel { min-height: 480px; } }

/* ── Cards & misc ── */
.card-hover { transition: transform 0.25s, box-shadow 0.25s; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,0.08); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.5s, transform 0.5s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

.partner-logo {
  filter: grayscale(1) opacity(0.7);
  transition: filter 0.3s, transform 0.3s;
}
.partner-logo:hover { filter: grayscale(0) opacity(1); transform: scale(1.05); }

.process-line {
  background: linear-gradient(90deg, transparent, #10b981, #f59e0b, transparent);
  height: 2px;
}

.phone-mockup {
  border: 3px solid #1e293b;
  border-radius: 2rem;
  box-shadow: 0 25px 50px rgba(0,0,0,0.35);
}

.pulse-cta { animation: pulse-glow 2s infinite; }
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.35); }
  50% { box-shadow: 0 0 0 10px rgba(245,158,11,0); }
}

.panel-sidebar {
  width: 260px;
  background: #0f172a;
  border-left: 1px solid #1e293b;
}
.panel-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: #94a3b8;
  border-radius: 0.5rem;
  margin: 0.125rem 0.5rem;
  transition: all 0.15s;
}
.panel-nav-item:hover { background: #1e293b; color: #e2e8f0; }
.panel-nav-item.active { background: #0369a1; color: #fff; }

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 1.25rem;
}

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
[x-cloak] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 3px; }