/* ══════════════════════════════════════
   NexERP Marketing Website — Stylesheet
   ══════════════════════════════════════ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #111;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* --- CSS Variables (Stark Monochrome NexERP Brand) --- */
:root {
  --bg: #ffffff;
  --bg-dark: #000000; /* Stark black background */
  --bg-card: #fafafa; /* Minimal off-white card background */
  --bg-card-dark: #111111; /* Dark theme card background */
  --text: #111111;
  --text-light: #ffffff;
  --muted: #6b7280;
  --accent: #111111; /* Stark black accent */
  --accent-hover: #333333; /* Dark gray accent hover */
  --accent-gradient: linear-gradient(135deg, #111111 0%, #000000 100%);
  --accent-glow: rgba(0, 0, 0, 0.05);
  --border: #111111; /* Stark black borders */
  --border-dark: #27272a; /* Zinc 800 for subtle dark-mode borders */
  --radius: 0px; /* Square corners */
  --radius-sm: 0px;
  --radius-lg: 0px;
  --shadow: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-glow: none;
  --max-w: 1200px;
  --nav-h: 72px;
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
  --expense: #7a0d12; /* Dark red utility/negative color */
  --success: #166534; /* Dark green utility/positive color */
}

/* --- Utilities --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--muted);
  max-width: 680px;
  line-height: 1.7;
}
.section-dark .section-subtitle { color: #9CA3AF; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-subtitle { margin: 0 auto; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.3px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: #111111;
  color: #ffffff;
  border: 1.5px solid #111111;
}
.btn-primary:hover {
  background: #333333;
  border-color: #333333;
}
.section-dark .btn-primary,
.hero .btn-primary {
  background: #ffffff;
  color: #111111;
  border: 1.5px solid #ffffff;
}
.section-dark .btn-primary:hover,
.hero .btn-primary:hover {
  background: #e5e7eb;
  border-color: #e5e7eb;
}
.btn-outline {
  border: 1.5px solid #ffffff;
  color: #ffffff;
  background: transparent;
}
.btn-outline:hover {
  background: #ffffff;
  color: #111111;
}
.btn-outline-dark {
  border: 1.5px solid #111111;
  color: #111111;
  background: transparent;
}
.btn-outline-dark:hover {
  background: #111111;
  color: #ffffff;
}
.btn .material-symbols-outlined { font-size: 18px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: all var(--transition);
  padding: 0 24px;
}
.navbar.scrolled {
  top: 0;
  left: 0; right: 0;
  height: 60px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2.5px solid #111111;
  width: 100%;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* --- Logo --- */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color var(--transition);
}
.nav-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.navbar.scrolled .nav-logo-img {
  filter: brightness(0) invert(0);
}
.nav-logo-text {
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  transition: color var(--transition);
}
.navbar.scrolled .nav-logo-text { color: var(--text); }
.nav-logo-accent {
  color: #a1a1aa;
}
.navbar.scrolled .nav-logo-accent {
  color: #6b7280;
}
.footer-logo-wrap {
  pointer-events: none;
}
.footer-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.footer .nav-logo-text {
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
}
.nav-links a:hover { color: #fff; }
.navbar.scrolled .nav-links a { color: var(--muted); }
.navbar.scrolled .nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--transition);
}
.lang-btn:hover { background: rgba(255,255,255,0.1); }
.navbar.scrolled .lang-btn {
  color: var(--muted);
  border-color: var(--border);
}
.navbar.scrolled .lang-btn:hover { color: var(--text); border-color: var(--text); }
.nav-cta {
  padding: 8px 20px;
  background: #ffffff;
  color: #111111;
  border: 1.5px solid #ffffff;
  border-radius: 0px;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.nav-cta:hover {
  background: #e5e7eb;
  border-color: #e5e7eb;
  color: #111111;
}
.navbar.scrolled .nav-cta {
  background: #111111;
  color: #ffffff;
  border-color: #111111;
}
.navbar.scrolled .nav-cta:hover {
  background: #333333;
  border-color: #333333;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--text); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; right: -100%; width: 280px; height: 100vh;
  background: var(--bg-dark);
  padding: 80px 32px 32px;
  z-index: 999;
  transition: right var(--transition);
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  border-bottom: 1px solid var(--border-dark);
}
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}
.mobile-overlay.open { display: block; }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.02) 0%, transparent 40%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container { position: relative; z-index: 1; }
.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}
.hero-content { max-width: 640px; }
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: #fff;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-title span {
  color: #a1a1aa;
  -webkit-text-fill-color: #a1a1aa;
}
.hero-subtitle {
  font-size: clamp(15px, 1.8vw, 18px);
  color: #a1a1aa;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #71717a;
}
.hero-trust span { display: flex; align-items: center; gap: 6px; }
.hero-trust .material-symbols-outlined { font-size: 16px; color: #ffffff; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat-value {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
}
.hero-stat-label {
  font-size: 12px;
  color: #71717a;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* Showcase Frame */
.hero-showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0px); }
}
.showcase-glowing-back {
  position: absolute;
  width: 110%;
  height: 110%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 65%);
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}
.showcase-frame {
  background: #111111;
  border: 2px solid #ffffff;
  border-radius: 0px;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  width: 100%;
}
.showcase-header {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #09090b;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.showcase-header .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.showcase-header .dot.red { background: #ef4444; }
.showcase-header .dot.yellow { background: #f59e0b; }
.showcase-header .dot.green { background: #10b981; }
.showcase-header .browser-address {
  margin-left: 12px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  font-family: monospace;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 16px;
  border-radius: 4px;
  flex-grow: 0;
  width: 100%;
  max-width: 200px;
  text-align: center;
}
[dir="rtl"] .showcase-header .browser-address {
  margin-left: 0;
  margin-right: 12px;
}
.showcase-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition);
}
.showcase-image:hover {
  transform: scale(1.01);
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #D1D5DB;
}
.feature-icon {
  width: 52px; height: 52px;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid #111111;
  border-radius: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.feature-icon .material-symbols-outlined {
  font-size: 26px;
  color: #111111;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* --- Modules Tabs --- */
.modules-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  justify-content: center;
}
.module-tab {
  padding: 10px 20px;
  border-radius: 0px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  border: 1.5px solid #e5e7eb;
  transition: all var(--transition);
}
.module-tab:hover { border-color: #111111; color: #111111; }
.module-tab.active {
  background: #111111;
  color: #fff;
  border-color: #111111;
}
.module-content {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  line-height: 1.8;
  font-size: 15px;
  color: #374151;
}
.module-content.active { display: block; }
.module-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.module-content ul { padding-left: 0; }
.module-content li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}
.module-content li::before {
  content: '';
  position: absolute;
  left: 0; top: 16px;
  width: 6px; height: 6px;
  background: #111111;
  border-radius: 0px;
}

/* ══════════════════════════════════
   Screenshots Gallery
   ══════════════════════════════════ */
.ss-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.ss-filter-btn {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  color: #9ca3af;
  border: 1.5px solid rgba(255,255,255,0.12);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.ss-filter-btn:hover {
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.ss-filter-btn.active {
  background: #fff;
  color: #111;
  border-color: #fff;
}

.ss-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ss-item {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  transition: all 0.3s ease;
  aspect-ratio: 16 / 10;
}
.ss-item:hover {
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.ss-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.ss-item:hover img {
  transform: scale(1.05);
}
.ss-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.ss-item:hover .ss-item-overlay {
  opacity: 1;
}
.ss-item-label {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  align-items: center;
  justify-content: center;
}
.lightbox.open {
  display: flex;
}
.lb-close {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #fff;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 10;
}
[dir="rtl"] .lb-close { right: auto; left: 24px; }
.lb-close:hover {
  background: rgba(255,255,255,0.2);
}
.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 10;
}
.lb-arrow:hover {
  background: rgba(255,255,255,0.18);
}
.lb-prev { left: 24px; }
.lb-next { right: 24px; }
[dir="rtl"] .lb-prev { left: auto; right: 24px; }
[dir="rtl"] .lb-next { right: auto; left: 24px; }
.lb-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
}
.lb-content img {
  max-width: 85vw;
  max-height: 78vh;
  object-fit: contain;
  border: 2px solid rgba(255,255,255,0.1);
}
.lb-caption {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  text-align: center;
}
.lb-counter {
  margin-top: 6px;
  font-size: 12px;
  color: #71717a;
  letter-spacing: 1px;
}

/* --- Security --- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.security-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.security-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #D1D5DB;
}
.security-card .feature-icon {
  background: rgba(0, 0, 0, 0.03);
  border-color: #111111;
}
.security-card .feature-icon .material-symbols-outlined {
  color: #111111;
}
.security-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.security-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* --- UI Showcase --- */
.ui-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.ui-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: all var(--transition);
}
.ui-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.ui-card .material-symbols-outlined {
  font-size: 28px;
  color: var(--accent);
  flex-shrink: 0;
}
.ui-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.ui-card p { font-size: 14px; color: var(--muted); }

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 820px;
  margin: 0 auto;
}
.pricing-card {
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-trial {
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.pricing-pro {
  background: #fff;
  border: 2.5px solid #111111;
  box-shadow: none;
}
.pricing-badge {
  position: absolute;
  top: -12px; right: 24px;
  background: #111111;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 0px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
[dir="rtl"] .pricing-badge { right: auto; left: 24px; }
.pricing-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}
.pricing-price {
  font-size: 36px;
  font-weight: 800;
  margin: 16px 0 4px;
}
.pricing-period {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}
.pricing-features { margin-bottom: 32px; }
.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  color: #374151;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-features .material-symbols-outlined {
  font-size: 18px;
  color: #111111;
}
.pricing-note {
  text-align: center;
  margin-top: 32px;
  font-size: 13px;
  color: var(--muted);
}

/* --- Audience --- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.audience-emoji { font-size: 36px; margin-bottom: 12px; }
.audience-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.audience-card p { font-size: 12px; color: var(--muted); }

/* --- Download Center --- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 56px;
}
.download-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}
.download-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: #ffffff;
  transform: translateY(-4px);
  box-shadow: none;
}
.download-card.setup-card {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: none;
}
.dl-card-badge {
  position: absolute;
  top: -12px;
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.dl-card-badge.portable {
  background: transparent;
  color: #ffffff;
  border: 1px solid #ffffff;
}
.dl-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid #ffffff;
  border-radius: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #ffffff;
}
.portable-card .dl-icon {
  background: rgba(255, 255, 255, 0.08);
  color: #9ca3af;
}
.download-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}
.dl-desc {
  font-size: 14px;
  color: #9ca3af;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}
.btn-dl-card {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 15px;
  margin-bottom: 12px;
}
.dl-meta-info {
  font-size: 12px;
  color: #52525b;
}

/* System Requirements */
.requirements-container {
  max-width: 900px;
  margin: 0 auto 56px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}
.req-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
  color: #fff;
}
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.req-item {
  text-align: center;
  padding: 16px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.04);
}
.req-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #9ca3af;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.req-value {
  display: block;
  font-size: 13px;
  color: #fff;
  font-weight: 500;
}

/* SmartScreen Assistant */
.smartscreen-container {
  max-width: 900px;
  margin: 0 auto 56px;
}
.smart-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 28px;
  text-align: center;
  color: #fff;
}
.smart-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.smart-step {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
}
.step-num {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 32px;
  height: 32px;
  background: #ffffff;
  color: #000000;
  border: 1.5px solid #ffffff;
  border-radius: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  box-shadow: none;
}
[dir="rtl"] .step-num {
  left: auto;
  right: 24px;
}
.smart-step h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  margin-top: 8px;
}
.smart-step p {
  font-size: 13px;
  color: #a1a1aa;
  line-height: 1.6;
}

/* License Simulator */
.license-simulator {
  max-width: 700px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.sim-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}
.key-icon {
  font-size: 28px;
  color: #ffffff;
  animation: key-pulse 2s infinite ease-in-out;
}
@keyframes key-pulse {
  0% { transform: scale(1) rotate(0deg); opacity: 0.8; }
  50% { transform: scale(1.1) rotate(15deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 0.8; }
}
.sim-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.sim-sub {
  font-size: 13px;
  color: #9ca3af;
  text-align: center;
  margin-bottom: 28px;
}
.sim-form {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}
.sim-input {
  flex-grow: 1;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: all var(--transition);
}
.sim-input:focus {
  border-color: #ffffff;
  box-shadow: none;
}
.sim-submit-btn {
  padding: 14px 28px;
}
.sim-result-box {
  display: none;
  font-size: 13px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: all var(--transition);
}
.sim-result-box.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #34d399;
}
.sim-result-box.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* --- FAQ --- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  cursor: pointer;
}
[dir="rtl"] .faq-question { text-align: right; }
.faq-question .material-symbols-outlined {
  font-size: 20px;
  transition: transform var(--transition);
  color: var(--muted);
}
.faq-item.open .faq-question .material-symbols-outlined {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p {
  padding-bottom: 20px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand {
  font-size: 14px;
  line-height: 1.7;
}
.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-links h4, .footer-contact h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-links a:hover { color: #fff; }
.footer-contact p { font-size: 14px; line-height: 1.8; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RTL --- */
[dir="rtl"] body { direction: rtl; }
[dir="rtl"] .module-content li { padding-left: 0; padding-right: 24px; }
[dir="rtl"] .module-content li::before { left: auto; right: 0; }
[dir="rtl"] .faq-question { text-align: right; flex-direction: row-reverse; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-trust {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-showcase {
    max-width: 600px;
    margin: 0 auto;
  }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ss-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
  .features-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .ui-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 24px; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .download-grid { grid-template-columns: 1fr; gap: 24px; }
  .requirements-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .smart-grid { grid-template-columns: 1fr; gap: 32px; }
  .sim-form { flex-direction: column; }
  .sim-submit-btn { width: 100%; }
  .ss-gallery { grid-template-columns: 1fr; }
  .lb-content img { max-width: 95vw; max-height: 70vh; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}
@media (max-width: 480px) {
  .requirements-grid { grid-template-columns: 1fr; }
}