/* ==========================================================================
   SCRIPTER.MY — CORE DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

:root {
  /* Color Palette - Cyber / Deep Space */
  --bg-base: #06080d;
  --bg-surface: #0c1017;
  --bg-card: rgba(16, 22, 34, 0.75);
  --bg-card-hover: rgba(22, 30, 48, 0.85);
  --bg-subtle: #090d14;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.35);
  --border-active: #00f0ff;

  /* Accents */
  --accent-cyan: #00f0ff;
  --accent-cyan-dim: rgba(0, 240, 255, 0.15);
  --accent-emerald: #10b981;
  --accent-emerald-dim: rgba(16, 185, 129, 0.15);
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-amber-dim: rgba(245, 158, 11, 0.15);
  --accent-red: #ef4444;

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-code: #38bdf8;

  /* Fonts */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing & Layout */
  --container-max: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-size: 16px;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100vw;
  width: 100%;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100vw;
  width: 100%;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Background Lights */
.glow-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.glow-sphere-1 {
  width: 550px;
  height: 550px;
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.35) 0%, rgba(139, 92, 246, 0.15) 70%, transparent 100%);
}

.glow-sphere-2 {
  width: 650px;
  height: 650px;
  top: 600px;
  right: -150px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(16, 185, 129, 0.15) 70%, transparent 100%);
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.section-padding {
  padding-top: 100px;
  padding-bottom: 100px;
}

.bg-subtle {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.text-center {
  text-align: center;
}

.w-full {
  width: 100%;
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

/* Typography & Headings */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: 2.5rem;
  margin-top: 16px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.gradient-text {
  background: linear-gradient(135deg, #00f0ff 0%, #38bdf8 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Badges */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 8, 13, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-terminal-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9375rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.accent-dot {
  color: var(--accent-cyan);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-text-mobile {
  display: none;
}

.mobile-menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 1001;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: rgba(0, 240, 255, 0.3);
}

.hamburger-bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 0;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.25s ease;
  transform-origin: center;
}

.mobile-menu-toggle.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--accent-cyan);
}

.mobile-menu-toggle.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-menu-toggle.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--accent-cyan);
}

/* Mobile Drawer Backdrop */
.mobile-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 10, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 9998;
  pointer-events: none;
}

.mobile-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Mobile Drawer Overlay */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 82%;
  max-width: 330px;
  height: 100vh;
  height: 100dvh;
  background: rgba(10, 14, 22, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.85);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 20px) 20px calc(env(safe-area-inset-bottom) + 20px) 20px;
  z-index: 9999;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-drawer.is-open {
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.mobile-drawer-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.mobile-drawer-close:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link:active {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.25);
  color: var(--accent-cyan);
}

.mobile-nav-icon {
  font-size: 1.15rem;
}

.mobile-drawer-footer {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-drawer-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

.drawer-contact-lbl {
  color: var(--text-muted);
}

.drawer-contact-val {
  color: var(--accent-cyan);
  text-decoration: none;
}

body.drawer-locked {
  overflow: hidden;
}


/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.0625rem;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0284c7 100%);
  color: #040914;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(0, 240, 255, 0.45);
  background: linear-gradient(135deg, #38bdf8 0%, #00f0ff 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.btn-outline:hover {
  background: var(--accent-amber-dim);
  border-color: var(--accent-amber);
}

/* Hero Section */
.hero-section {
  padding-top: 80px;
  padding-bottom: 100px;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 60px;
  align-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.hero-content {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.hero-visual {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.hero-badge {
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
  word-break: break-word;
  overflow-wrap: break-word;
}

.mobile-break {
  display: none;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 600px;
}

/* Install Bar */
.install-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(12, 16, 23, 0.9);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  margin-bottom: 36px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 100%;
  min-width: 0;
  gap: 12px;
  box-sizing: border-box;
}

.install-code-group {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  overflow-x: auto;
  white-space: nowrap;
  min-width: 0;
  flex: 1 1 auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 240, 255, 0.3) transparent;
}

.install-code-group::-webkit-scrollbar {
  height: 3px;
}

.install-code-group::-webkit-scrollbar-thumb {
  background: rgba(0, 240, 255, 0.3);
  border-radius: 3px;
}

.cmd-prompt {
  color: var(--accent-cyan);
  font-weight: 700;
  flex-shrink: 0;
}

.cmd-text {
  color: var(--text-code);
}

.btn-copy {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-copy:hover {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Terminal Preview Card */
.terminal-card {
  overflow: hidden;
  border-color: rgba(0, 240, 255, 0.2);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(8, 12, 18, 0.9);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.terminal-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 8px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  color: #cbd5e1;
  min-height: 260px;
}

.term-row {
  margin-bottom: 8px;
  word-break: break-word;
}

.term-green { color: var(--accent-emerald); font-weight: 600; }
.term-cyan { color: var(--accent-cyan); font-weight: 600; }
.term-yellow { color: var(--accent-amber); font-weight: 600; }
.term-prompt { color: var(--accent-cyan); font-weight: 700; }
.term-accent { color: #38bdf8; text-decoration: underline; }
.highlight-tier {
  background: rgba(0, 240, 255, 0.15);
  color: #00f0ff;
  padding: 2px 6px;
  border-radius: 4px;
}
.cursor-blink {
  animation: blink 1s infinite;
  color: var(--accent-cyan);
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.tool-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.highlight-card {
  border-color: rgba(245, 158, 11, 0.3);
}

.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-game { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); border: 1px solid rgba(245, 158, 11, 0.3); }
.icon-ai { background: rgba(0, 240, 255, 0.15); color: var(--accent-cyan); border: 1px solid rgba(0, 240, 255, 0.3); }
.icon-tunnel { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); border: 1px solid rgba(139, 92, 246, 0.3); }
.icon-telemetry { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); border: 1px solid rgba(16, 185, 129, 0.3); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-claimed {
  background: var(--accent-amber-dim);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-active {
  background: var(--accent-emerald-dim);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot-amber, .status-dot-green {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.status-dot-amber { background-color: var(--accent-amber); }
.status-dot-green { background-color: var(--accent-emerald); }

.tool-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.tool-description {
  color: var(--text-secondary);
  font-size: 0.9675rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.tool-meta {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 0.84375rem;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}
.meta-item:last-child { margin-bottom: 0; }
.meta-key { color: var(--text-muted); }

/* Hardware Profiler */
.profiler-card {
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.profiler-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.control-label {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.control-val-display {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.range-slider {
  width: 100%;
  height: 10px;
  border-radius: 6px;
  background: #1e293b;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  touch-action: pan-y;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.85);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.range-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.85);
  border: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb:hover,
.range-slider:active::-webkit-slider-thumb {
  transform: scale(1.2);
  box-shadow: 0 0 20px rgba(0, 240, 255, 1);
}

.slider-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.toggle-control-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.custom-toggle {
  width: 44px;
  height: 24px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

/* Profiler Output Box */
.profiler-output-box {
  background: rgba(8, 12, 18, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.08);
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.output-badge {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.output-status {
  font-size: 0.8125rem;
  color: var(--accent-emerald);
  font-weight: 500;
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.output-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.metric-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.output-notes {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--accent-cyan);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Principles Grid */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.principle-card {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}

.principle-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.principle-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.principle-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.principle-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Case Studies */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.case-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.case-title {
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.case-body {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.case-stats-row {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.case-stat strong {
  color: var(--accent-emerald);
  font-family: var(--font-mono);
}

/* Pricing & Retainers */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.featured-pricing {
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 16px 48px rgba(245, 158, 11, 0.12);
}

.pricing-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.badge-amber {
  background: var(--accent-amber-dim);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 24px;
}

.price-val {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-bottom: 24px;
}

.price-sub {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text-muted);
}

.alert-box-amber {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8125rem;
  color: #fbbf24;
  margin-bottom: 20px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Contact / Inbound Lead Routing */
.contact-card {
  padding: 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 56px;
}

.contact-title {
  font-size: 2.25rem;
  margin-top: 16px;
  margin-bottom: 16px;
}

.contact-desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: 36px;
  line-height: 1.6;
}

.contact-meta-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.meta-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.meta-lbl {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* Forms */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.required {
  color: var(--accent-cyan);
}

.form-input, .form-textarea {
  width: 100%;
  background: rgba(8, 12, 18, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem; /* Exactly 16px to prevent iOS Safari auto-zoom on focus */
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

select.form-input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2300f0ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 44px;
  -webkit-appearance: none;
  appearance: none;
}

select.form-input option {
  background: #0b0f17;
  color: var(--text-primary);
  padding: 8px;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
}

.form-feedback {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-top: 10px;
}

.form-feedback.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.form-feedback.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.hidden {
  display: none !important;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #040914;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Footer */
.site-footer {
  background: #040609;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-top: auto;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-heading {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  margin-top: 8px;
}

/* ==========================================================================
   ADVANCED RESPONSIVE DESIGN SYSTEM (MOBILE PHONES & TABLETS)
   ========================================================================== */

/* Tablet & Smaller Laptops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    width: 100%;
  }
  .profiler-card {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 32px;
  }
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .case-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    gap: 28px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-card {
    padding: 40px 32px;
  }
}

/* Tablets & Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  /* Layout & Section Spacing */
  .section-padding {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-section {
    padding-top: 36px;
    padding-bottom: 50px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    width: 100%;
  }

  .hero-content {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* Navigation */
  .desktop-nav {
    display: none;
  }

  .header-actions {
    gap: 10px;
  }

  .header-cta {
    padding: 8px 14px;
    font-size: 0.8125rem;
  }

  .btn-text-desktop {
    display: none;
  }

  .btn-text-mobile {
    display: inline;
  }

  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
  }

  /* Typography */
  .hero-title {
    font-size: clamp(1.85rem, 5.5vw, 2.5rem);
    line-height: 1.2;
    margin-bottom: 16px;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 24px;
    max-width: 100%;
  }

  .section-title {
    font-size: 1.875rem;
    line-height: 1.25;
  }

  .section-desc {
    font-size: 1rem;
    line-height: 1.55;
  }

  /* Install Bar on Mobile */
  .install-bar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
    margin-bottom: 28px;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .install-code-group {
    font-size: 0.84375rem;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 240, 255, 0.3) transparent;
    padding-bottom: 4px;
  }

  .install-code-group::-webkit-scrollbar {
    height: 3px;
  }

  .install-code-group::-webkit-scrollbar-thumb {
    background: rgba(0, 240, 255, 0.3);
    border-radius: 3px;
  }

  .btn-copy {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 9px 12px;
    font-size: 0.8125rem;
    box-sizing: border-box;
  }

  /* Hero CTA Buttons */
  .hero-cta-group {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
  }

  .hero-cta-group .btn {
    width: 100%;
    min-height: 48px;
  }

  /* Hero Stats: 2 cards in row 1, 1 full-width card in row 2 */
  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding-top: 20px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .stat-item {
    background: rgba(14, 20, 32, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 12px 10px;
    text-align: center;
    align-items: center;
    min-width: 0;
    box-sizing: border-box;
  }

  .stat-item:nth-child(3) {
    grid-column: 1 / -1;
  }

  .stat-number {
    font-size: 1.25rem;
    white-space: nowrap;
  }

  .stat-label {
    font-size: 0.75rem;
    line-height: 1.3;
    margin-top: 2px;
  }

  /* Terminal Card */
  .terminal-card {
    border-radius: var(--radius-md);
  }

  .terminal-header {
    padding: 10px 14px;
  }

  .terminal-title {
    font-size: 0.75rem;
    max-width: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .terminal-body {
    padding: 16px 14px;
    font-size: 0.8125rem;
    line-height: 1.65;
    min-height: auto;
  }

  .term-row {
    margin-bottom: 6px;
    word-break: break-word;
  }

  /* Subsystems / Tools */
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .tool-card {
    padding: 24px 20px;
  }

  .tool-title {
    font-size: 1.25rem;
  }

  /* Interactive Hardware Profiler */
  .profiler-card {
    padding: 24px 18px;
    gap: 28px;
  }

  .profiler-controls {
    gap: 24px;
  }

  .profiler-output-box {
    padding: 20px 16px;
  }

  .output-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-bottom: 18px;
    padding-bottom: 12px;
  }

  .output-grid {
    gap: 14px;
  }

  .output-metric {
    padding: 12px 14px;
  }

  .metric-title {
    font-size: 0.75rem;
  }

  .metric-value {
    font-size: 0.9375rem;
  }

  /* Principles & Case Studies */
  .principles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .principle-card {
    padding: 22px 20px;
  }

  .principle-title {
    font-size: 1.2rem;
  }

  .case-card {
    padding: 24px 20px;
  }

  .case-title {
    font-size: 1.2rem;
  }

  /* Retainers & Pricing */
  .pricing-card {
    padding: 28px 20px;
  }

  /* Contact & Form */
  .contact-card {
    padding: 28px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-actions .btn {
    min-height: 50px;
  }

  /* Footer */
  .site-footer {
    padding: 60px 0 calc(env(safe-area-inset-bottom) + 30px) 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-links-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* Ambient Glows Optimized */
  .glow-sphere-1 {
    width: 280px;
    height: 280px;
    top: -40px;
    left: -40px;
    filter: blur(80px);
    opacity: 0.35;
    transform: translateZ(0);
  }

  .glow-sphere-2 {
    width: 300px;
    height: 300px;
    top: 500px;
    right: -60px;
    filter: blur(80px);
    opacity: 0.3;
    transform: translateZ(0);
  }
}

/* Small Mobile Phones (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-padding {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .hero-section {
    padding-top: 24px;
    padding-bottom: 36px;
  }

  /* Header compact mode */
  .header-actions {
    gap: 10px;
  }

  .header-cta {
    padding: 8px 12px;
    font-size: 0.8125rem;
  }

  .btn-text-desktop {
    display: none;
  }

  .btn-text-mobile {
    display: inline;
  }

  .hero-title {
    font-size: 1.7rem;
    line-height: 1.2;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .hero-subtitle {
    font-size: 0.9375rem;
    line-height: 1.5;
    margin-bottom: 20px;
  }

  .install-bar {
    padding: 10px 12px;
    margin-bottom: 24px;
    gap: 8px;
  }

  .install-code-group {
    font-size: 0.8125rem;
    gap: 6px;
  }

  .btn-copy {
    padding: 8px 12px;
    font-size: 0.8125rem;
  }

  .mobile-break {
    display: block;
  }

  /* Slider Marks: Hide sub-threshold text on small screens */
  .mark-sub {
    display: none;
  }

  .slider-marks {
    font-size: 0.6875rem;
  }

  /* Profiler Output 1-col on small phones */
  .output-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .tool-card-top {
    flex-wrap: wrap;
    gap: 12px;
  }

  .status-pill {
    font-size: 0.6875rem;
    padding: 3px 8px;
  }

  .case-stats-row {
    flex-direction: column;
    gap: 8px;
  }

  .footer-links-group {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .btn-lg {
    padding: 12px 20px;
    font-size: 0.9375rem;
  }
}