/* ==========================================================================
   EntailsNG - Design System & Stylesheet
   Modern, responsive, accessible CMS project presentation
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Default: Cyberpunk Neon / Tech Dark Mode */
  --theme-name: 'cyberpunk';
  --bg-dark: #090c15;
  --bg-card: rgba(16, 21, 35, 0.72);
  --bg-card-hover: rgba(24, 32, 54, 0.9);
  --bg-card-solid: #0e1424;
  --header-bg: rgba(9, 12, 21, 0.85);
  --header-bg-scrolled: rgba(9, 12, 21, 0.96);
  --bg-element: rgba(255, 255, 255, 0.05);

  /* Primary Accent & Signal Colors */
  --primary: #00f0ff;
  --primary-glow: rgba(0, 240, 255, 0.28);
  --primary-hover: #33f4ff;
  --secondary: #ff0055;
  --secondary-glow: rgba(255, 0, 85, 0.28);
  --accent-blue: #3b82f6;
  --emerald-success: #10b981;
  --amber-warning: #f59e0b;
  --rose-danger: #f43f5e;

  /* Text Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #090c15;

  /* Borders & Glass */
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-active: rgba(0, 240, 255, 0.4);
  --glass-blur: blur(16px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);

  /* Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 30px -5px rgba(0, 0, 0, 0.6), 0 8px 12px -6px rgba(0, 0, 0, 0.5);
  --shadow-neon: 0 0 30px rgba(0, 240, 255, 0.2);

  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Interactive UIScale Factors */
  --scale-multiplier: 1;
}

/* ==========================================================================
   EntailsNG Preset Themes
   ========================================================================== */

/* 1. Warm Amber */
[data-theme="warm-amber"] {
  --theme-name: 'warm-amber';
  --bg-dark: #120e0a;
  --bg-card: rgba(28, 22, 16, 0.78);
  --bg-card-hover: rgba(42, 33, 23, 0.92);
  --bg-card-solid: #1c150f;
  --header-bg: rgba(18, 14, 10, 0.85);
  --header-bg-scrolled: rgba(18, 14, 10, 0.96);
  --bg-element: rgba(248, 171, 45, 0.08);

  --primary: #f8ab2d;
  --primary-glow: rgba(248, 171, 45, 0.3);
  --primary-hover: #ffbe4d;
  --secondary: #d97817;
  --secondary-glow: rgba(217, 120, 23, 0.3);
  --border-active: rgba(248, 171, 45, 0.45);
  --shadow-neon: 0 0 30px rgba(248, 171, 45, 0.22);
}

/* 2. Cyberpunk Neon */
[data-theme="cyberpunk"] {
  --theme-name: 'cyberpunk';
  --bg-dark: #090c15;
  --bg-card: rgba(16, 21, 35, 0.72);
  --bg-card-hover: rgba(24, 32, 54, 0.9);
  --bg-card-solid: #0e1424;
  --header-bg: rgba(9, 12, 21, 0.85);
  --header-bg-scrolled: rgba(9, 12, 21, 0.96);
  --bg-element: rgba(255, 255, 255, 0.05);

  --primary: #00f0ff;
  --primary-glow: rgba(0, 240, 255, 0.28);
  --primary-hover: #33f4ff;
  --secondary: #ff0055;
  --secondary-glow: rgba(255, 0, 85, 0.28);
  --border-active: rgba(0, 240, 255, 0.4);
  --shadow-neon: 0 0 30px rgba(0, 240, 255, 0.2);
}

/* 3. Slate Blue */
[data-theme="slate-blue"] {
  --theme-name: 'slate-blue';
  --bg-dark: #0b1120;
  --bg-card: rgba(18, 27, 47, 0.75);
  --bg-card-hover: rgba(26, 38, 66, 0.92);
  --bg-card-solid: #111a2e;
  --header-bg: rgba(11, 17, 32, 0.85);
  --header-bg-scrolled: rgba(11, 17, 32, 0.96);
  --bg-element: rgba(59, 130, 246, 0.08);

  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.3);
  --primary-hover: #60a5fa;
  --secondary: #2563eb;
  --secondary-glow: rgba(37, 99, 235, 0.3);
  --border-active: rgba(59, 130, 246, 0.45);
  --shadow-neon: 0 0 30px rgba(59, 130, 246, 0.22);
}

/* 4. Emerald Gaming */
[data-theme="emerald"] {
  --theme-name: 'emerald';
  --bg-dark: #06120e;
  --bg-card: rgba(12, 28, 22, 0.75);
  --bg-card-hover: rgba(18, 42, 33, 0.92);
  --bg-card-solid: #091a13;
  --header-bg: rgba(6, 18, 14, 0.85);
  --header-bg-scrolled: rgba(6, 18, 14, 0.96);
  --bg-element: rgba(16, 185, 129, 0.08);

  --primary: #10b981;
  --primary-glow: rgba(16, 185, 129, 0.3);
  --primary-hover: #34d399;
  --secondary: #059669;
  --secondary-glow: rgba(5, 150, 105, 0.3);
  --border-active: rgba(16, 185, 129, 0.45);
  --shadow-neon: 0 0 30px rgba(16, 185, 129, 0.22);
}

/* ==========================================================================
   UIScale Simulation Classes
   ========================================================================== */
.uiscale-xs { --scale-multiplier: 0.85; font-size: 13.5px; }
.uiscale-sm { --scale-multiplier: 0.92; font-size: 14.5px; }
.uiscale-md { --scale-multiplier: 1.0;  font-size: 16px; }
.uiscale-lg { --scale-multiplier: 1.08; font-size: 17.5px; }
.uiscale-xl { --scale-multiplier: 1.18; font-size: 19px; }

/* Reset & Basics */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  width: 100%;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Ambient Background Lights */
.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 25%, black 45%, transparent 85%);
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.28;
  animation: floatOrb 14s infinite alternate ease-in-out;
  transition: background var(--transition-normal);
}

.ambient-orb-1 {
  top: -8%;
  left: 18%;
  width: 520px;
  height: 520px;
  background: var(--primary);
}

.ambient-orb-2 {
  top: 45%;
  right: -8%;
  width: 620px;
  height: 620px;
  background: var(--secondary);
}

.ambient-orb-3 {
  bottom: 5%;
  left: -8%;
  width: 560px;
  height: 560px;
  background: var(--accent-blue);
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(25px, 35px) scale(1.08); }
  100% { transform: translate(-20px, 15px) scale(0.96); }
}

/* Typography & Helpers */
.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, var(--primary) 50%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }

/* Development Status Notice Banner */
.dev-status-banner {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 14px;
  padding: 1.15rem 1.5rem;
  margin: 0 auto 3rem auto;
  max-width: 960px;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #fde68a;
  backdrop-filter: var(--glass-blur);
}

.dev-status-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.1rem;
}

.dev-status-title {
  font-weight: 700;
  color: #fbbf24;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navbar */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  background: var(--header-bg);
  border-bottom: var(--glass-border);
  transition: var(--transition-normal);
}

.header.is-scrolled {
  background: var(--header-bg-scrolled);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body.is-scroll-locked {
  overflow: hidden;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-main);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-img-wrapper {
  height: 38px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img-wrapper img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  font-size: 1.3rem;
  font-weight: 800;
  white-space: nowrap;
}

.logo-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--primary);
  border: 1px solid var(--border-active);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-left: 0.35rem;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
  text-shadow: 0 0 10px var(--primary-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Theme & Scale Controls Toolbar */
.control-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  padding: 0.25rem 0.5rem;
}

.theme-btn-group, .scale-btn-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.theme-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 0;
}

.theme-dot:hover {
  transform: scale(1.15);
}

.theme-dot.active {
  border-color: #ffffff;
  box-shadow: 0 0 10px currentColor;
}

.theme-dot[data-set-theme="cyberpunk"] { background: #00f0ff; color: #00f0ff; }
.theme-dot[data-set-theme="warm-amber"] { background: #f8ab2d; color: #f8ab2d; }
.theme-dot[data-set-theme="slate-blue"] { background: #3b82f6; color: #3b82f6; }
.theme-dot[data-set-theme="emerald"] { background: #10b981; color: #10b981; }

.control-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 0.25rem;
}

.scale-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.scale-btn:hover {
  color: var(--text-main);
}

.scale-btn.active {
  background: var(--bg-element);
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.68rem 1.35rem;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg-dark);
  font-weight: 700;
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-active);
  transform: translateY(-2px);
  color: var(--primary);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  border-radius: 8px;
}

.btn-disabled,
.btn[disabled],
a.disabled {
  opacity: 0.6;
  cursor: not-allowed !important;
  pointer-events: none;
  border-color: rgba(255, 255, 255, 0.08) !important;
  filter: grayscale(0.2);
}

.badge-soon {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 0.35rem;
  display: inline-block;
  vertical-align: middle;
}

.badge-coming-soon {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 0.35rem;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Modern Animated Hamburger Button */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  transition: var(--transition-normal);
  z-index: 105;
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-active);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  transform-origin: center;
}

.mobile-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 920px;
  margin: 0 auto 3.5rem auto;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 1rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-active);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.hero-history-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-success);
  box-shadow: 0 0 10px var(--emerald-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.25); }
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.35rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.25rem auto;
  font-weight: 400;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* Interactive Theme Bar in Hero */
.hero-customization-demo {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  backdrop-filter: var(--glass-blur);
}

.hero-customization-demo span {
  font-weight: 600;
  color: var(--text-main);
}

/* Hero Mockup Preview */
.hero-mockup {
  position: relative;
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, var(--primary), var(--secondary), rgba(255, 255, 255, 0.08));
  box-shadow: var(--shadow-lg), var(--shadow-neon);
}

.mockup-inner {
  background: var(--bg-card-solid);
  border-radius: 19px;
  overflow: hidden;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: rgba(14, 18, 30, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  gap: 0.5rem;
}

.window-dots {
  display: flex;
  gap: 0.45rem;
  flex-shrink: 0;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.mockup-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.mockup-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.mockup-tab-btn.active {
  background: var(--bg-element);
  color: var(--primary);
  border: 1px solid var(--border-active);
}

.mockup-body {
  padding: 1.5rem;
}

/* Dashboard Mockup Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.25rem;
}

.sidebar-mock {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.side-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
}

.side-item-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.side-item.active {
  background: var(--bg-element);
  color: var(--primary);
  border: 1px solid var(--border-active);
  font-weight: 600;
}

.side-badge {
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
}

.side-item.active .side-badge {
  background: var(--primary);
  color: var(--bg-dark);
  font-weight: 700;
}

.main-mock {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.stat-card-mini {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.stat-title {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Sections General */
.section {
  padding: 85px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.65rem;
  display: block;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: var(--glass-border);
  backdrop-filter: var(--glass-blur);
  border-radius: 16px;
  padding: 1.85rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  box-shadow: 0 12px 30px -10px var(--primary-glow);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-active);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.feature-card:nth-child(2n) .feature-icon {
  color: var(--secondary);
  border-color: var(--secondary-glow);
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.feature-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary);
  margin-top: 0.85rem;
}

/* Interactive Modules Showcase */
.modules-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: var(--glass-border);
  padding: 0.75rem 1.35rem;
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  white-space: nowrap;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--bg-element);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.tab-pane {
  display: none;
  background: var(--bg-card-solid);
  border: var(--glass-border);
  border-radius: 20px;
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.35s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tab 1: Seating Plan */
.seating-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.75rem;
}

.seating-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.6rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 1.25rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.seat {
  aspect-ratio: 1;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  user-select: none;
}

.seat-free {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}
.seat-free:hover {
  background: rgba(16, 185, 129, 0.3);
  transform: scale(1.06);
}

.seat:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

.seat-taken {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #f87171;
  cursor: not-allowed;
}

.seat-clan {
  background: rgba(248, 171, 45, 0.15);
  border: 1px solid rgba(248, 171, 45, 0.4);
  color: #f8ab2d;
}

.seat-selected {
  background: var(--primary) !important;
  border: 1px solid #ffffff !important;
  color: var(--bg-dark) !important;
  box-shadow: 0 0 15px var(--primary);
  font-weight: 800;
}

/* Tab 2: Ticket & Expired Mode Simulator */
.ticket-wrapper {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.ticket-pass {
  background: linear-gradient(135deg, #182033, #0f1523);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
}

.ticket-pass.worn-mode {
  filter: sepia(0.35) contrast(0.95);
  background: linear-gradient(135deg, #1f1b18, #14110e);
  border-color: rgba(244, 63, 94, 0.3);
}

.ticket-stamp {
  display: none;
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
  border: 4px dashed #f43f5e;
  color: #f43f5e;
  font-size: 2.4rem;
  font-weight: 900;
  font-family: var(--font-mono);
  padding: 0.35rem 1.75rem;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: rgba(244, 63, 94, 0.12);
  box-shadow: 0 0 25px rgba(244, 63, 94, 0.3);
  pointer-events: none;
  z-index: 10;
}

.ticket-pass.worn-mode .ticket-stamp {
  display: block;
  animation: stampIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes stampIn {
  0% { transform: translate(-50%, -50%) rotate(-25deg) scale(2); opacity: 0; }
  100% { transform: translate(-50%, -50%) rotate(-18deg) scale(1); opacity: 1; }
}

.ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.ticket-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.ticket-qr-area {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  padding: 1rem;
}

/* Tab 3: Tournaments & Clans */
.tournament-preview-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.75rem;
}

.bracket-wrapper {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
}

.bracket-round {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  min-width: 200px;
}

.bracket-match {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  margin: 0.5rem 0;
}

.team-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.team-row.winner {
  background: rgba(0, 240, 255, 0.08);
  color: var(--primary);
}

/* Tab 4: DNS & Email Diagnosis */
.dns-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

.dns-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  margin-bottom: 0.65rem;
}

.dns-badge {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-element);
  color: var(--primary);
  border: 1px solid var(--border-active);
}

.dns-badge.pass {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.dns-badge.checking {
  background: rgba(248, 171, 45, 0.15);
  color: #f8ab2d;
  border: 1px solid rgba(248, 171, 45, 0.3);
}

/* Developer & Quickstart Section */
.dev-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  align-items: center;
}

.terminal-box {
  background: #070a12;
  border: 1px solid var(--border-active);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-neon);
}

.terminal-header {
  background: #0e1322;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  gap: 0.5rem;
}

.terminal-nav {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.term-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}

.term-tab.active {
  background: var(--bg-element);
  color: var(--primary);
  border: 1px solid var(--border-active);
}

.terminal-content {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: auto;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--bg-element);
  color: var(--primary);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.inert-card {
  cursor: default;
}

.inert-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 158, 11, 0.3);
}

.inert-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.28);
  margin-top: 0.85rem;
}

.modal-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-active);
  border-radius: 20px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.25rem;
  box-shadow: 0 0 50px var(--primary-glow);
  position: relative;
}

.coming-soon-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fbbf24;
  margin-bottom: 1.25rem;
}

.coming-soon-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.5rem 0;
  text-align: left;
}

.coming-soon-meta-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--rose-danger);
  background: rgba(244, 63, 94, 0.15);
}

/* Footer */
.footer {
  border-top: var(--glass-border);
  background: #06080e;
  padding: 65px 0 35px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* Mobile Drawer (Slide-Out Navigation) */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(340px, 86vw);
  height: 100vh;
  height: 100dvh;
  background: var(--bg-card-solid);
  border-left: 1px solid var(--border-subtle);
  z-index: 1000;
  padding: 1.75rem 1.25rem;
  transition: right 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.8);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-card-solid);
  border: 1px solid var(--primary);
  box-shadow: 0 0 25px var(--primary-glow);
  color: var(--text-main);
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-bounce);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* Breakpoint 1: Laptops & Tablets (< 1080px) */
@media (max-width: 1080px) {
  .nav-links,
  .control-bar,
  .nav-actions .btn-secondary {
    display: none !important;
  }
  .mobile-toggle {
    display: flex !important;
  }
  .hero-title {
    font-size: 2.75rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .dev-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .sidebar-mock {
    display: none;
  }
  .ticket-wrapper,
  .tournament-preview-grid,
  .dns-wrapper {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Breakpoint 2: Medium Tablets & Phablets (< 768px) */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  .navbar {
    height: 70px;
  }
  .hero {
    padding-top: 115px;
    padding-bottom: 55px;
  }
  .hero-title {
    font-size: 2.15rem;
    line-height: 1.2;
  }
  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
  }
  .hero-customization-demo {
    flex-direction: column;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    width: 100%;
    max-width: 440px;
  }
  .dev-status-banner {
    flex-direction: column;
    gap: 0.6rem;
    padding: 1rem;
    font-size: 0.85rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    padding: 1.35rem;
  }
  .modules-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0.25rem 0.25rem 0.65rem 0.25rem;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }
  .tab-btn {
    flex-shrink: 0;
    font-size: 0.85rem;
    padding: 0.65rem 1rem;
  }
  .tab-pane {
    padding: 1.25rem;
    border-radius: 16px;
  }
  .seating-wrapper {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .seating-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 0.85rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Breakpoint 3: Mobile Phones (< 560px) */
@media (max-width: 560px) {
  .navbar {
    height: 64px;
  }
  .logo-img-wrapper img {
    height: 28px;
  }
  .logo-text {
    font-size: 1.15rem;
  }
  .logo-badge {
    display: none;
  }
  .nav-actions .btn-primary {
    display: none;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 1.5rem auto;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .mockup-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
  }
  .mockup-body {
    padding: 1rem;
  }
  .stats-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .ticket-details-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .ticket-stamp {
    font-size: 1.4rem;
    padding: 0.2rem 0.85rem;
  }
  .ticket-qr-area {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }
  .dns-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
  .terminal-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .terminal-nav {
    overflow-x: auto;
    width: 100%;
    padding-bottom: 2px;
  }
  .copy-btn {
    align-self: flex-end;
  }
  .terminal-content {
    padding: 1rem;
    font-size: 0.8rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  .toast {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    max-width: calc(100% - 2rem);
  }
  .modal-card {
    padding: 1.25rem;
    margin: 0.5rem;
  }
}

/* Breakpoint 4: Extra Small Phones (< 380px) */
@media (max-width: 380px) {
  .hero-title {
    font-size: 1.6rem;
  }
  .seating-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.35rem;
    padding: 0.6rem;
  }
  .seat {
    font-size: 0.65rem;
  }
}