/* ==========================================================================
   PooyRoom | Enterprise DCIM & Datacenter Platform
   Modern High-Tech Corporate Stylesheet (Vibrant Royal Blue & Electric Cyan)
   Designed for Maximum Visual Appeal, Flat Polish & Enterprise Trust
   ========================================================================== */

:root {
  /* Brand Theme Colors (Vibrant Royal Blue & Tech Cyan) */
  --primary-900: #1E3A8A;
  --primary-800: #1E40AF;
  --primary-700: #1D4ED8;
  --primary-600: #2563EB;
  --primary-500: #3B82F6;
  --primary-400: #60A5FA;
  --primary-100: #DBEAFE;
  --primary-50: #EFF6FF;

  --accent-cyan: #0284C7;
  --accent-cyan-light: #E0F2FE;

  /* Surfaces & Backgrounds */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;
  --bg-dark-surface: #1E293B;

  /* Borders */
  --border-subtle: #E2E8F0;
  --border-medium: #CBD5E1;
  --border-primary: #2563EB;
  --border-focus: #93C5FD;

  /* Status Colors */
  --status-online: #10B981;
  --status-online-bg: #ECFDF5;
  --status-alert: #EF4444;
  --status-warning: #F59E0B;
  --status-standby: #64748B;

  /* Text Colors */
  --text-heading: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;

  /* Geometry */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows (Modern & Clean) */
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 18px -3px rgba(15, 23, 42, 0.07), 0 2px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 14px 32px -4px rgba(15, 23, 42, 0.09), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 18px 36px -6px rgba(37, 99, 235, 0.15), 0 6px 16px -4px rgba(15, 23, 42, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  direction: rtl;
  text-align: right;
  scroll-behavior: smooth;
  font-family: var(--font-persian);
  background-color: var(--bg-page);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg-page);
  color: var(--text-body);
  overflow-x: hidden;
  padding-top: 76px; /* Offset for fixed header */
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(37, 99, 235, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(2, 132, 199, 0.04) 0%, transparent 45%);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-fast);
}

ul {
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-600) 50%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   Fixed Header & Navigation Bar (Clean, Polished & Unbreakable)
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 16px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
}

.brand-title-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-heading);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.brand-title span {
  color: var(--primary-600);
}

.brand-parent-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.brand-parent-tag strong {
  color: var(--primary-700);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 2px;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--primary-600);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.mobile-toggle {
  display: none;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--primary-600);
}

/* ==========================================================================
   Buttons (Polished, Modern & High Contrast)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-size: 0.92rem;
  padding: 10px 20px;
  line-height: 1.3;
}

.btn-sm {
  padding: 7px 15px;
  font-size: 0.84rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.02rem;
}

.btn-primary {
  background: var(--primary-600);
  color: var(--text-white);
  border: 1px solid var(--primary-600);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
  background: var(--primary-700);
  border-color: var(--primary-700);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.38);
  transform: translateY(-1px);
}

.btn-outline {
  background: #FFFFFF;
  color: var(--primary-700);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  background: var(--primary-50);
  border-color: var(--primary-600);
  color: var(--primary-700);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--text-heading);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-100);
  color: var(--primary-700);
}

/* ==========================================================================
   Section Headers & Common
   ========================================================================== */

.section-wrapper {
  padding: 80px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-wrapper.bg-white {
  background-color: #FFFFFF;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-100);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--text-heading);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.35;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 72px 0 64px 0;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.hero-header {
  text-align: center;
  max-width: 960px;
  margin: 0 auto 44px auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-100);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.badge-pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--primary-600);
  box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

.hero-title {
  font-size: 2.9rem;
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1.3;
  margin-bottom: 22px;
  letter-spacing: -0.6px;
}

.hero-lead {
  font-size: 1.16rem;
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Hero Stats Bar (Crisp, High-Tech Grid) */
.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background-color: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.hero-stat-cell {
  background-color: #FFFFFF;
  padding: 24px 18px;
  text-align: center;
  transition: background-color var(--transition-fast);
}

.hero-stat-cell:hover {
  background-color: var(--primary-50);
}

.hero-stat-val {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary-600);
  line-height: 1.2;
  margin-bottom: 6px;
  font-family: var(--font-en), var(--font-persian);
}

.hero-stat-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Live Cloud Demo Access Banner & Credentials
   ========================================================================== */

.demo-access-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
  border-radius: var(--radius-md);
  padding: 34px 38px;
  color: #FFFFFF;
  margin-bottom: 36px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.demo-access-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.demo-access-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.demo-access-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34D399;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 14px;
}

.demo-access-badge .live-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
}

.demo-access-title {
  font-size: 1.55rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.demo-access-desc {
  font-size: 0.94rem;
  color: #CBD5E1;
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 22px;
}

.demo-creds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cred-item {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: all var(--transition-fast);
}

.cred-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(96, 165, 250, 0.45);
}

.cred-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: #94A3B8;
  margin-bottom: 8px;
}

.cred-value-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cred-url-link {
  font-family: var(--font-en), monospace;
  font-size: 0.88rem;
  font-weight: 700;
  color: #60A5FA;
  direction: ltr;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.cred-url-link:hover {
  text-decoration: underline;
  color: #93C5FD;
}

.cred-text {
  font-family: var(--font-en), monospace;
  font-size: 0.92rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.5px;
}

.btn-copy-cred {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xs);
  color: #E2E8F0;
  padding: 4px 8px;
  font-size: 0.72rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: var(--font-persian);
}

.btn-copy-cred:hover {
  background: var(--primary-600);
  border-color: var(--primary-500);
  color: #FFFFFF;
}

.btn-copy-cred.copied {
  background: var(--status-online);
  border-color: var(--status-online);
  color: #FFFFFF;
}

.demo-access-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
  min-width: 220px;
}

.btn-demo-enter {
  width: 100%;
  padding: 16px 24px;
  font-size: 1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2563EB 0%, #0284C7 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.btn-demo-enter:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #0369A1 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
  color: #FFFFFF;
}

.demo-tip-text {
  font-size: 0.76rem;
  color: #94A3B8;
  text-align: center;
}

/* ==========================================================================
   Interactive 2D Rack Console (High-Tech Command Center)
   ========================================================================== */

.demo-console-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.console-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.console-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.console-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--status-online);
  box-shadow: 0 0 10px var(--status-online);
}

.console-title {
  font-size: 0.98rem;
  font-weight: 700;
}

.console-rack-selector {
  display: flex;
  gap: 8px;
}

.rack-tab-btn {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.rack-tab-btn.active {
  background-color: var(--primary-600);
  border-color: var(--primary-500);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.console-main-grid {
  display: grid;
  grid-template-columns: 350px 1fr 360px;
  min-height: 580px;
  background-color: var(--bg-page);
}

/* Left Column: Environmental & PUE */
.console-sidebar {
  background-color: #FFFFFF;
  border-left: 1px solid var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-panel-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-heading);
  border-bottom: 2px solid var(--primary-50);
  padding-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pue-box {
  background: linear-gradient(135deg, var(--primary-50) 0%, #FFFFFF 100%);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.pue-val {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary-600);
  font-family: var(--font-en);
  line-height: 1.1;
}

.pue-rating {
  font-size: 0.84rem;
  color: var(--primary-800);
  font-weight: 700;
  margin-top: 6px;
}

.telemetry-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.86rem;
}

.telemetry-label {
  color: var(--text-muted);
}

.telemetry-val {
  font-weight: 700;
  color: var(--text-heading);
  font-family: var(--font-mono);
}

/* Center Column: 42U Rack Representation */
.console-rack-view {
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #F8FAFC;
}

.rack-frame {
  width: 100%;
  max-width: 440px;
  background-color: #0F172A;
  border: 3px solid #334155;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.rack-header-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 800;
  color: #94A3B8;
  padding: 4px 0 8px 0;
  border-bottom: 1px solid #1E293B;
  font-family: var(--font-mono);
}

.rack-unit {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid #1E293B;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: #1E293B;
  user-select: none;
}

.rack-unit:hover {
  border-color: var(--primary-500);
  background-color: #24344D;
  transform: translateX(-2px);
}

.rack-unit.selected {
  border-color: var(--primary-400);
  background-color: #1E3A8A;
  box-shadow: inset 4px 0 0 var(--primary-400), 0 0 12px rgba(37, 99, 235, 0.4);
}

.rack-u-num {
  font-size: 0.75rem;
  color: #64748B;
  font-family: var(--font-mono);
  font-weight: 700;
  width: 28px;
}

.rack-unit.selected .rack-u-num {
  color: #93C5FD;
}

.rack-unit-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--status-standby);
}

.rack-unit-status.online {
  background-color: var(--status-online);
  box-shadow: 0 0 6px var(--status-online);
}

.rack-unit-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #F8FAFC;
  flex-grow: 1;
}

.rack-unit-type {
  font-size: 0.72rem;
  color: #94A3B8;
  background-color: #0F172A;
  border: 1px solid #334155;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
}

/* Right Column: Device Inspector */
.console-inspector {
  background-color: #FFFFFF;
  border-right: 1px solid var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.device-header {
  border-bottom: 2px solid var(--primary-50);
  padding-bottom: 12px;
}

.device-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-heading);
}

.device-subtitle {
  font-size: 0.82rem;
  color: var(--primary-600);
  font-weight: 700;
  font-family: var(--font-mono);
}

.inspector-field-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.inspector-field {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.inspector-key {
  color: var(--text-muted);
}

.inspector-val {
  font-weight: 700;
  color: var(--text-heading);
  font-family: var(--font-mono);
}

.action-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.provision-sim-box {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 10px;
}

.sim-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.progress-bar-wrap {
  height: 8px;
  background-color: var(--primary-100);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-600), var(--accent-cyan));
  width: 0%;
  transition: width 0.3s linear;
}

/* ==========================================================================
   Executive Value Propositions (4 Polished Cards)
   ========================================================================== */

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--primary-600);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.value-card:hover {
  border-color: var(--primary-200);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.value-card:hover::before {
  opacity: 1;
}

.value-icon-box {
  width: 50px;
  height: 50px;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  margin-bottom: 22px;
}

.value-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 12px;
  line-height: 1.45;
}

.value-card-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.75;
}

.value-card-stat {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.stat-metric {
  font-weight: 900;
  color: var(--primary-600);
  font-family: var(--font-en);
  font-size: 1.25rem;
}

/* ==========================================================================
   Core Modules & Feature Grid (6 Clean Tech Cards)
   ========================================================================== */

.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.module-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.module-card:hover {
  border-color: var(--primary-300);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.module-badge {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-700);
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin-bottom: 16px;
  width: fit-content;
}

.module-title {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.module-desc {
  font-size: 0.94rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 22px;
}

.module-feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 18px;
}

.module-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.6;
}

.check-bullet {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--primary-600);
  margin-top: 2px;
}

/* ==========================================================================
   Bare-Metal OS Provisioning Workflow
   ========================================================================== */

.workflow-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.step-card:hover {
  border-color: var(--primary-300);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.step-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary-600);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
  font-family: var(--font-en);
  margin-bottom: 16px;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.step-title {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.75;
}

/* ==========================================================================
   Supported Protocols & Standards Table
   ========================================================================== */

.protocol-filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-tab-btn {
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab-btn:hover {
  border-color: var(--primary-600);
  color: var(--primary-700);
  background: var(--primary-50);
}

.filter-tab-btn.active {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
}

.flat-table-wrap {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.flat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: right;
}

.flat-table th {
  background-color: var(--primary-50);
  color: var(--primary-900);
  font-weight: 800;
  padding: 16px 20px;
  border-bottom: 2px solid var(--primary-100);
  white-space: nowrap;
}

.flat-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-body);
  line-height: 1.65;
}

.flat-table tbody tr:hover {
  background-color: var(--primary-50);
}

.protocol-code {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--primary-700);
  background-color: var(--primary-50);
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--primary-100);
  font-size: 0.85rem;
}

/* ==========================================================================
   Traditional vs PooyRoom Comparison Table
   ========================================================================== */

.comparison-table-wrap {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
}

.comp-table th {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 900;
  border-bottom: 2px solid var(--border-medium);
}

.comp-table th.col-feature {
  width: 32%;
  background-color: var(--bg-subtle);
  color: var(--text-heading);
}

.comp-table th.col-trad {
  width: 34%;
  background-color: #FFFFFF;
  color: var(--text-muted);
}

.comp-table th.col-pooyroom {
  width: 34%;
  background-color: var(--primary-50);
  color: var(--primary-900);
  border-left: 3px solid var(--primary-600);
}

.comp-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
  line-height: 1.7;
}

.comp-table td.cell-pooyroom {
  background-color: var(--primary-50);
  font-weight: 700;
  color: var(--primary-900);
  border-left: 3px solid var(--primary-600);
}

/* ==========================================================================
   Implementation Roadmap (5 Phases)
   ========================================================================== */

.phases-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.phase-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.phase-row:hover {
  border-color: var(--primary-300);
  transform: translateX(-4px);
  box-shadow: var(--shadow-hover);
}

.phase-step-badge {
  background: var(--primary-50);
  border-left: 1px solid var(--primary-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 22px;
}

.phase-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary-600);
  font-family: var(--font-en);
  line-height: 1;
}

.phase-tag {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--primary-800);
  margin-top: 4px;
}

.phase-body {
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.phase-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.phase-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.75;
}

/* ==========================================================================
   PooyTech Enterprise Ecosystem Links (Domain Cards)
   ========================================================================== */

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ecosystem-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.ecosystem-card:hover {
  border-color: var(--primary-300);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.eco-brand-badge {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--primary-700);
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  width: fit-content;
  margin-bottom: 12px;
}

.eco-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.eco-desc {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
}

.eco-link-btn {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-600);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.eco-link-btn:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--primary-400);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background-color: #FFFFFF;
  text-align: right;
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--text-heading);
}

.faq-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--primary-600);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px 24px;
  color: var(--text-body);
  font-size: 0.94rem;
  line-height: 1.85;
  border-top: 1px solid var(--primary-50);
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   Contact & Demo Form
   ========================================================================== */

.contact-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  box-shadow: var(--shadow-md);
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-title {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1.3;
}

.contact-desc {
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.85;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

.contact-detail-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.92rem;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  flex-shrink: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--text-heading);
}

.form-input,
.form-select,
.form-textarea {
  background-color: var(--bg-page);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 11px 16px;
  font-size: 0.92rem;
  color: var(--text-heading);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-600);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-textarea {
  min-height: 115px;
  resize: vertical;
}

/* ==========================================================================
   Corporate Footer
   ========================================================================== */

.site-footer {
  background-color: var(--bg-dark);
  color: #FFFFFF;
  padding: 60px 0 28px 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 44px;
}

.footer-brand-title {
  font-size: 1.45rem;
  font-weight: 900;
  color: #FFFFFF;
}

.footer-brand-desc {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-light);
  max-width: 90%;
  margin-top: 8px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.88rem;
}

.footer-link-list a {
  color: var(--text-light);
}

.footer-link-list a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 0.84rem;
  color: var(--text-light);
}

/* ==========================================================================
   Documentation & Whitepaper Downloads
   ========================================================================== */

.docs-download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto;
}

.doc-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.doc-card:hover {
  border-color: var(--primary-300);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.doc-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.doc-lang-badge {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.doc-lang-badge.fa {
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-100);
}

.doc-lang-badge.en {
  background: var(--accent-cyan-light);
  color: var(--accent-cyan);
  border: 1px solid #BAE6FD;
}

.doc-version-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-en), var(--font-persian);
}

.doc-icon-wrap {
  width: 56px;
  height: 56px;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  margin-bottom: 20px;
}

.doc-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-heading);
  margin-bottom: 12px;
  line-height: 1.4;
}

.doc-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.doc-meta-info {
  display: flex;
  gap: 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-bottom: 20px;
  margin-top: auto;
}

.btn-doc {
  width: 100%;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-stats-bar {
    grid-template-columns: repeat(3, 1fr);
  }

  .console-main-grid {
    grid-template-columns: 1fr;
  }

  .console-sidebar,
  .console-inspector {
    border: none;
    border-top: 1px solid var(--border-subtle);
  }

  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .workflow-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ecosystem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-access-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 28px;
  }

  .demo-creds-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-access-action {
    width: 100%;
  }

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

@media (max-width: 860px) {
  .nav-menu,
  .nav-actions {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-stats-bar {
    grid-template-columns: 1fr;
  }

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

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

  .workflow-steps-grid {
    grid-template-columns: 1fr;
  }

  .demo-creds-grid {
    grid-template-columns: 1fr;
  }

  .docs-download-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 26px;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}