/* ==========================================================================
   CueLine — Production Stylesheet
   Design Tokens: Dark-first, Apple Pro aesthetic, Glassmorphism, Precision Accents
   ========================================================================== */

:root {
  /* Color Tokens matching CueLine iOS App */
  --bg-dark: #0B0B10;
  --bg-surface: #16161D;
  --bg-surface-elevated: #1F1F28;
  --bg-surface-glass: rgba(22, 22, 29, 0.75);
  --border-subtle: #26262F;
  --border-highlight: #3A3A47;
  
  --text-primary: #F2F2F7;
  --text-secondary: #9A9AA5;
  --text-muted: #62626E;
  
  --accent-primary: #5B8DEF;
  --accent-glow: rgba(91, 141, 239, 0.35);
  --accent-soft: rgba(91, 141, 239, 0.12);
  --accent-gradient: linear-gradient(135deg, #5B8DEF 0%, #3B6FD9 100%);
  
  --danger: #FF6B6B;
  --success: #34C759;
  --warning: #FF9F0A;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;

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

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Atmospheric Glows */
.bg-glow-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-glow-1 {
  position: absolute;
  top: -10vw;
  left: 50%;
  transform: translateX(-50%);
  width: 70vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(91, 141, 239, 0.12) 0%, rgba(11, 11, 16, 0) 70%);
  filter: blur(80px);
}

.bg-glow-2 {
  position: absolute;
  top: 40vh;
  right: -10vw;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(91, 141, 239, 0.06) 0%, rgba(11, 11, 16, 0) 70%);
  filter: blur(100px);
}

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

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #7AA5F5;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: 1.5rem;
  position: relative;
  z-index: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(91, 141, 239, 0.5);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-highlight);
  color: #FFFFFF;
}

.btn-sm {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
}

.btn-lg {
  font-size: 1.05rem;
  padding: 0.95rem 1.8rem;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: var(--bg-surface-glass);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Badge Pill */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  border: 1px solid rgba(91, 141, 239, 0.25);
  margin-bottom: 1.25rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Hero Section */
.hero-section {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
  text-align: center;
}

.hero-header {
  max-width: 820px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, #5B8DEF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-trust-item svg {
  color: var(--accent-primary);
}

/* ==========================================================================
   Interactive Hero Simulator (iPhone Frame)
   ========================================================================== */
.simulator-wrapper {
  max-width: 980px;
  margin-inline: auto;
  position: relative;
  margin-top: 1rem;
}

.simulator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 2rem;
  align-items: start;
  text-align: left;
}

/* Simulator Controls Panel (Left Column) */
.sim-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sim-controls-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.sim-controls-title {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sim-controls-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Mode Switcher Tabs */
.mode-tabs {
  display: flex;
  background-color: var(--bg-dark);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  gap: 0.3rem;
}

.mode-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: calc(var(--radius-md) - 4px);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-tab-btn.active {
  background-color: var(--bg-surface-elevated);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.mode-tab-btn.active svg {
  color: var(--accent-primary);
}

/* Speech Simulation Buttons */
.scenario-runner {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.runner-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  display: flex;
  justify-content: space-between;
}

.runner-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.btn-action {
  padding: 0.65rem 0.85rem;
  font-size: 0.83rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-align: left;
}

.btn-action:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-highlight);
}

.btn-action.active-scenario {
  border-color: var(--accent-primary);
  background-color: var(--accent-soft);
  color: #FFFFFF;
}

.btn-action svg {
  flex-shrink: 0;
  color: var(--accent-primary);
}

/* Script selector */
.script-picker {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.script-picker-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.script-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip-btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  background-color: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip-btn.active, .chip-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  background-color: var(--accent-soft);
}

/* Sliders for customization */
.settings-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.setting-item label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.slider-input {
  width: 100%;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* iPhone Physical Chassis Mockup (Right Column) */
.iphone-frame {
  width: 360px;
  height: 640px;
  background-color: #000000;
  border-radius: 48px;
  box-shadow: 0 0 0 10px #1E1E26, 0 0 0 12px #2E2E3A, 0 25px 50px rgba(0, 0, 0, 0.9);
  position: relative;
  overflow: hidden;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
}

/* Dynamic Island & Lens Notch */
.iphone-island {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 30px;
  background-color: #000000;
  border-radius: 20px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 10px;
}

.camera-lens-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #162447, #050811);
  box-shadow: 0 0 2px rgba(255, 255, 255, 0.3) inset;
}

.sensor-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #0D0D11;
}

/* Eyeline Indicator Guide Overlay */
.eyeline-guide {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(91, 141, 239, 0.8), transparent);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 14px;
}

.eyeline-tag {
  background-color: rgba(91, 141, 239, 0.2);
  border: 1px solid rgba(91, 141, 239, 0.5);
  color: #8CB4FF;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  transform: translateY(-50%);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* iPhone Screen Content */
.iphone-screen {
  flex: 1;
  background-color: #0B0B10;
  display: flex;
  flex-direction: column;
  padding-top: 55px;
  position: relative;
  overflow: hidden;
  user-select: none;
}

/* Screen Top HUD */
.screen-hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 1.25rem;
  padding-bottom: 0.75rem;
  z-index: 30;
}

.rec-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: var(--danger);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
}

.rec-pulse {
  width: 6px;
  height: 6px;
  background-color: var(--danger);
  border-radius: 50%;
  animation: pulse-dot 1.2s infinite;
}

.vu-meter {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 14px;
}

.vu-bar {
  width: 3px;
  background-color: var(--accent-primary);
  border-radius: 1px;
  transition: height 0.08s ease;
}

.mode-indicator-pill {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

/* Teleprompter Text Display Area */
.prompter-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  padding-inline: 1.25rem;
}

/* Gradient Fade for text top and bottom */
.prompter-viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 11, 16, 0.9) 0%, transparent 20%, transparent 65%, rgba(11, 11, 16, 0.95) 100%);
}

.prompter-stream {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  transition: transform var(--transition-normal);
  transform: translateY(0);
  will-change: transform;
}

.script-line {
  font-size: 1.18rem;
  line-height: 1.45;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  position: relative;
}

.script-line.active {
  color: #FFFFFF;
  background-color: rgba(91, 141, 239, 0.15);
  border-left: 3px solid var(--accent-primary);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(91, 141, 239, 0.2);
}

.script-line.passed {
  color: #555562;
  opacity: 0.6;
}

/* Mirror Mode transform */
.prompter-viewport.mirrored .prompter-stream {
  transform: scaleX(-1);
}

/* Screen Bottom Controls */
.screen-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0.85rem 1rem 1.5rem;
  background-color: rgba(11, 11, 16, 0.8);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 30;
}

.screen-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.65rem;
  transition: color var(--transition-fast);
}

.screen-btn:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   Section: Problem Comparison (Old Timers vs CueLine)
   ========================================================================== */
.section-problem {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section-tag {
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comparison-card.old-way {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.comparison-card.cueline-way {
  background: linear-gradient(180deg, rgba(91, 141, 239, 0.1) 0%, rgba(22, 22, 29, 0.9) 100%);
  border: 1px solid rgba(91, 141, 239, 0.4);
  box-shadow: 0 10px 40px rgba(91, 141, 239, 0.15);
}

.card-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  width: fit-content;
}

.badge-bad {
  background: rgba(255, 107, 107, 0.15);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.badge-good {
  background: var(--accent-soft);
  color: #8CB4FF;
  border: 1px solid rgba(91, 141, 239, 0.3);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comparison-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.comp-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-top: 2px;
}

.comp-icon.bad {
  background-color: rgba(255, 107, 107, 0.15);
  color: var(--danger);
}

.comp-icon.good {
  background-color: rgba(91, 141, 239, 0.2);
  color: var(--accent-primary);
}

.comp-text strong {
  display: block;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.comp-text span {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Section: Feature Pillars Grid
   ========================================================================== */
.section-features {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Highlight card spanning two columns */
.feature-card.span-2 {
  grid-column: span 2;
}

/* ==========================================================================
   Section: Eyeline Anchor Showcase
   ========================================================================== */
.section-eyeline {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.eyeline-showcase {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.eyeline-visual {
  background-color: #07070B;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.eyeline-mockup-lens {
  width: 22px;
  height: 22px;
  background: radial-gradient(circle at 35% 35%, #254477, #070D18);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 12px rgba(91, 141, 239, 0.6);
  border: 2px solid #3A3A4E;
  position: relative;
}

.eyeline-mockup-lens::after {
  content: "Camera Lens";
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.eyeline-laser-beam {
  height: 28px;
  border-left: 2px dashed rgba(91, 141, 239, 0.7);
  margin-inline: auto;
  width: 0;
  position: relative;
}

.eyeline-laser-beam::after {
  content: "2.1mm Gaze Angle (<2°)";
  position: absolute;
  left: 10px;
  top: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-primary);
  white-space: nowrap;
}

.eyeline-active-box {
  background: rgba(91, 141, 239, 0.15);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ==========================================================================
   Section: Pricing
   ========================================================================== */
.section-pricing {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.pricing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.pricing-switch {
  display: inline-flex;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 0.35rem;
  gap: 0.25rem;
}

.switch-opt {
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.switch-opt.active {
  background-color: var(--bg-surface-elevated);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.save-badge {
  background: rgba(52, 199, 89, 0.15);
  border: 1px solid rgba(52, 199, 89, 0.4);
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin-inline: auto;
  text-align: left;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  background: linear-gradient(180deg, rgba(91, 141, 239, 0.08) 0%, rgba(22, 22, 29, 0.95) 100%);
  box-shadow: 0 10px 40px rgba(91, 141, 239, 0.15);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-pill);
}

.pricing-header {
  margin-bottom: 2rem;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.plan-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  min-height: 2.8rem;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-top: 1.25rem;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.03em;
}

.price-unit {
  font-size: 1rem;
  color: var(--text-secondary);
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex: 1;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.features-list li svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* ==========================================================================
   Section: Testimonials / Social Proof
   ========================================================================== */
.section-testimonials {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.6;
  color: #D6D6DF;
}

.author-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-primary);
}

.author-info strong {
  display: block;
  font-size: 0.95rem;
  color: #FFFFFF;
}

.author-info span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Section: FAQ Accordion
   ========================================================================== */
.section-faq {
  padding: 6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.faq-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-highlight);
}

.faq-summary {
  padding: 1.35rem 1.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--text-secondary);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.faq-answer {
  padding: 0 1.75rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ==========================================================================
   Section: Download / Final CTA
   ========================================================================== */
.section-cta {
  padding: 6rem 0 8rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.cta-box {
  background: radial-gradient(circle at 50% 0%, rgba(91, 141, 239, 0.18) 0%, rgba(22, 22, 29, 0.9) 70%);
  border: 1px solid rgba(91, 141, 239, 0.4);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  max-width: 900px;
  margin-inline: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.cta-box h2 {
  margin-bottom: 1rem;
}

.cta-box p {
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 2.25rem;
  font-size: 1.15rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Modal Dialog (Native <dialog>)
   ========================================================================== */
dialog.waitlist-modal {
  margin: auto;
  padding: 0;
  border: 1px solid var(--border-highlight);
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8);
  color: var(--text-primary);
}

dialog.waitlist-modal::backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
}

.modal-content {
  padding: 2.25rem;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
}

.modal-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.modal-desc {
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-feedback {
  display: none;
  font-size: 0.88rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

.form-feedback.success {
  display: block;
  background-color: rgba(52, 199, 89, 0.15);
  color: var(--success);
  border: 1px solid rgba(52, 199, 89, 0.3);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 960px) {
  .simulator-card {
    grid-template-columns: 1fr;
  }
  
  .iphone-frame {
    order: -1;
  }

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

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

  .feature-card.span-2 {
    grid-column: span 1;
  }

  .eyeline-showcase {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .pricing-cards-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .iphone-frame {
    width: 320px;
    height: 570px;
  }

  .runner-buttons {
    grid-template-columns: 1fr;
  }

  .settings-group {
    grid-template-columns: 1fr;
  }
}