/* ==========================================================================
   Reflex Landing Page — Modern macOS Native Theme (Inspired by frameclip.app)
   ========================================================================== */

:root {
  color-scheme: dark light;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-pill: 9999px;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", monospace;
  
  --container-width: 1040px;

  /* Dark Theme Tokens (Default) */
  --bg-base: #070709;
  --bg-surface: #0e0f14;
  --bg-surface-elevated: #15161d;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-highlight: rgba(255, 255, 255, 0.22);
  
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #6e6e73;
  
  --accent-blue: #007aff;
  --accent-blue-hover: #1a85ff;
  --accent-blue-glow: rgba(0, 122, 255, 0.28);
  --accent-cyan: #30d158;
  --accent-yellow: #ffd60a;

  /* Header & Navigation */
  --header-bg: rgba(7, 7, 9, 0.76);
  --nav-btn-bg: rgba(255, 255, 255, 0.06);
  --nav-btn-hover: rgba(255, 255, 255, 0.12);

  /* Hero & Buttons */
  --hero-glow: radial-gradient(ellipse at top, rgba(0, 122, 255, 0.18), rgba(0, 122, 255, 0.04) 50%, transparent 75%);
  --btn-primary-bg: #ffffff;
  --btn-primary-text: #000000;
  --btn-primary-hover: #e5e5ea;
  --btn-primary-shadow: 0 4px 18px rgba(255, 255, 255, 0.15);
  --brew-pill-bg: rgba(255, 255, 255, 0.06);
  --brew-pill-hover-bg: rgba(255, 255, 255, 0.09);
  --btn-copy-bg: rgba(255, 255, 255, 0.1);
  --btn-copy-hover: rgba(255, 255, 255, 0.2);

  /* Scenario Chip Active State */
  --chip-active-bg: rgba(0, 122, 255, 0.16);
  --chip-active-border: rgba(0, 122, 255, 0.45);
  --chip-active-color: #70b4ff;

  /* Simulated macOS Desktop */
  --desktop-frame-border: var(--border-medium);
  --desktop-frame-shadow: 0 32px 80px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.05);
  --menubar-bg: rgba(24, 24, 28, 0.82);
  --menubar-border: rgba(255, 255, 255, 0.08);
  --desktop-bg: radial-gradient(circle at 50% 25%, #182236 0%, #0c1322 45%, #050811 100%);
  --desktop-overlay: linear-gradient(180deg, transparent 40%, rgba(3, 4, 8, 0.8) 100%);

  /* Chooser Panel */
  --chooser-bg: rgba(30, 30, 34, 0.88);
  --chooser-border: rgba(255, 255, 255, 0.16);
  --chooser-shadow: 0 24px 64px rgba(0, 0, 0, 0.85), 0 2px 10px rgba(0, 0, 0, 0.4);
  --chooser-row-hover: rgba(255, 255, 255, 0.08);
  --key-badge-bg: rgba(255, 255, 255, 0.12);
  --key-badge-text: rgba(255, 255, 255, 0.8);
  --key-badge-selected-bg: rgba(255, 255, 255, 0.26);
  --key-badge-selected-text: #ffffff;
  --chooser-footer-border: rgba(255, 255, 255, 0.08);
  --chooser-footer-text: var(--text-secondary);
  --gear-hover-bg: rgba(255, 255, 255, 0.1);
  --status-active-color: #70b4ff;

  /* Cards & Sections */
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-hover-bg: rgba(255, 255, 255, 0.06);
  --card-icon-bg: rgba(255, 255, 255, 0.06);
  --card-shadow: none;
  --card-hover-shadow: none;
  --code-inline-bg: rgba(255, 255, 255, 0.08);
  --section-gradient: radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.02), transparent 60%);
  --cta-gradient: radial-gradient(circle at 50% 50%, rgba(187, 83, 58, 0.12), transparent 60%);

  /* Keycap & Mouse */
  --keycap-bg: linear-gradient(180deg, #2a2a2e 0%, #1c1c1f 100%);
  --keycap-border: rgba(255, 255, 255, 0.2);
  --keycap-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);

  /* Toast & Modal */
  --toast-bg: rgba(20, 20, 24, 0.92);
  --toast-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  --modal-bg: rgba(26, 26, 30, 0.95);
  --modal-shadow: 0 32px 80px rgba(0, 0, 0, 0.85);
  --modal-input-bg: rgba(255, 255, 255, 0.08);
  --modal-footer-bg: rgba(0, 0, 0, 0.2);
}

/* Light Theme Variables (Matching the Icon's Warm Ribbon Hue #f4ebdd) */
[data-theme="light"] {
  color-scheme: light;
  --bg-base: #f7f3eb;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #fcfaf6;
  --border-subtle: rgba(160, 135, 115, 0.12);
  --border-medium: rgba(160, 135, 115, 0.20);
  --border-highlight: rgba(160, 135, 115, 0.32);

  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #8e8880;

  --accent-blue: #007aff;
  --accent-blue-hover: #0071e3;
  --accent-blue-glow: rgba(189, 85, 62, 0.18);
  --accent-cyan: #28cd41;
  --accent-yellow: #f5a623;

  /* Header & Navigation */
  --header-bg: rgba(247, 243, 235, 0.85);
  --nav-btn-bg: rgba(160, 135, 115, 0.08);
  --nav-btn-hover: rgba(160, 135, 115, 0.14);

  /* Hero & Buttons (Warm Ribbon Glow matching Icon) */
  --hero-glow: radial-gradient(ellipse at top, rgba(244, 235, 221, 0.95), rgba(236, 226, 211, 0.5) 45%, transparent 75%);
  --btn-primary-bg: #1d1d1f;
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #000000;
  --btn-primary-shadow: 0 4px 18px rgba(100, 70, 50, 0.12);
  --brew-pill-bg: rgba(244, 235, 221, 0.6);
  --brew-pill-hover-bg: rgba(244, 235, 221, 0.9);
  --btn-copy-bg: rgba(160, 135, 115, 0.1);
  --btn-copy-hover: rgba(160, 135, 115, 0.18);

  /* Scenario Chip (Warm Ribbon & Terracotta) */
  --chip-active-bg: rgba(189, 85, 62, 0.10);
  --chip-active-border: rgba(189, 85, 62, 0.35);
  --chip-active-color: #b84a32;

  /* Simulated macOS Desktop (Matching Ribbon Hue) */
  --desktop-frame-border: rgba(160, 135, 115, 0.22);
  --desktop-frame-shadow: 0 24px 64px rgba(100, 70, 50, 0.10), 0 0 0 1px rgba(160, 135, 115, 0.08);
  --menubar-bg: rgba(247, 243, 235, 0.90);
  --menubar-border: rgba(160, 135, 115, 0.14);
  --desktop-bg: radial-gradient(circle at 50% 25%, #fffdfa 0%, #f4ebdd 45%, #e8dcce 80%, #dacab7 100%);
  --desktop-overlay: linear-gradient(180deg, transparent 40%, rgba(244, 235, 221, 0.75) 100%);

  /* Chooser Panel (Native macOS Light Appearance) */
  --chooser-bg: rgba(255, 255, 255, 0.92);
  --chooser-border: rgba(160, 135, 115, 0.2);
  --chooser-shadow: 0 24px 56px rgba(100, 70, 50, 0.14), 0 2px 8px rgba(0, 0, 0, 0.06);
  --chooser-row-hover: rgba(0, 0, 0, 0.05);
  --key-badge-bg: rgba(0, 0, 0, 0.07);
  --key-badge-text: #48484a;
  --key-badge-selected-bg: rgba(255, 255, 255, 0.24);
  --key-badge-selected-text: #ffffff;
  --chooser-footer-border: rgba(160, 135, 115, 0.14);
  --chooser-footer-text: #636366;
  --gear-hover-bg: rgba(0, 0, 0, 0.06);
  --status-active-color: #007aff;

  /* Cards & Sections */
  --card-bg: #ffffff;
  --card-hover-bg: #ffffff;
  --card-icon-bg: rgba(160, 135, 115, 0.08);
  --card-shadow: 0 2px 8px rgba(100, 70, 50, 0.04);
  --card-hover-shadow: 0 6px 18px rgba(100, 70, 50, 0.08);
  --code-inline-bg: rgba(160, 135, 115, 0.1);
  --section-gradient: radial-gradient(circle at 50% 100%, rgba(189, 85, 62, 0.03), transparent 60%);
  --cta-gradient: radial-gradient(circle at 50% 50%, rgba(187, 83, 58, 0.08), rgba(244, 235, 221, 0.4) 60%, transparent 80%);

  /* Keycap & Mouse */
  --keycap-bg: linear-gradient(180deg, #ffffff 0%, #f4ebdd 100%);
  --keycap-border: rgba(160, 135, 115, 0.25);
  --keycap-shadow: 0 8px 24px rgba(100, 70, 50, 0.08);

  /* Toast & Modal */
  --toast-bg: rgba(255, 255, 255, 0.96);
  --toast-shadow: 0 8px 24px rgba(100, 70, 50, 0.12);
  --modal-bg: rgba(255, 255, 255, 0.98);
  --modal-shadow: 0 32px 80px rgba(100, 70, 50, 0.2);
  --modal-input-bg: rgba(160, 135, 115, 0.06);
  --modal-footer-bg: rgba(160, 135, 115, 0.04);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg-base: #f7f3eb;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #fcfaf6;
    --border-subtle: rgba(160, 135, 115, 0.12);
    --border-medium: rgba(160, 135, 115, 0.20);
    --border-highlight: rgba(160, 135, 115, 0.32);

    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #8e8880;

    --accent-blue: #007aff;
    --accent-blue-hover: #0071e3;
    --accent-blue-glow: rgba(189, 85, 62, 0.18);
    --accent-cyan: #28cd41;
    --accent-yellow: #f5a623;

    --header-bg: rgba(247, 243, 235, 0.85);
    --nav-btn-bg: rgba(160, 135, 115, 0.08);
    --nav-btn-hover: rgba(160, 135, 115, 0.14);

    --hero-glow: radial-gradient(ellipse at top, rgba(244, 235, 221, 0.95), rgba(236, 226, 211, 0.5) 45%, transparent 75%);
    --btn-primary-bg: #1d1d1f;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #000000;
    --btn-primary-shadow: 0 4px 18px rgba(100, 70, 50, 0.12);
    --brew-pill-bg: rgba(244, 235, 221, 0.6);
    --brew-pill-hover-bg: rgba(244, 235, 221, 0.9);
    --btn-copy-bg: rgba(160, 135, 115, 0.1);
    --btn-copy-hover: rgba(160, 135, 115, 0.18);

    --chip-active-bg: rgba(189, 85, 62, 0.10);
    --chip-active-border: rgba(189, 85, 62, 0.35);
    --chip-active-color: #b84a32;

    --desktop-frame-border: rgba(160, 135, 115, 0.22);
    --desktop-frame-shadow: 0 24px 64px rgba(100, 70, 50, 0.10), 0 0 0 1px rgba(160, 135, 115, 0.08);
    --menubar-bg: rgba(247, 243, 235, 0.90);
    --menubar-border: rgba(160, 135, 115, 0.14);
    --desktop-bg: radial-gradient(circle at 50% 25%, #fffdfa 0%, #f4ebdd 45%, #e8dcce 80%, #dacab7 100%);
    --desktop-overlay: linear-gradient(180deg, transparent 40%, rgba(244, 235, 221, 0.75) 100%);

    --chooser-bg: rgba(255, 255, 255, 0.92);
    --chooser-border: rgba(160, 135, 115, 0.2);
    --chooser-shadow: 0 24px 56px rgba(100, 70, 50, 0.14), 0 2px 8px rgba(0, 0, 0, 0.06);
    --chooser-row-hover: rgba(0, 0, 0, 0.05);
    --key-badge-bg: rgba(0, 0, 0, 0.07);
    --key-badge-text: #48484a;
    --key-badge-selected-bg: rgba(255, 255, 255, 0.24);
    --key-badge-selected-text: #ffffff;
    --chooser-footer-border: rgba(160, 135, 115, 0.14);
    --chooser-footer-text: #636366;
    --gear-hover-bg: rgba(0, 0, 0, 0.06);
    --status-active-color: #007aff;

    --card-bg: #ffffff;
    --card-hover-bg: #ffffff;
    --card-icon-bg: rgba(160, 135, 115, 0.08);
    --card-shadow: 0 2px 8px rgba(100, 70, 50, 0.04);
    --card-hover-shadow: 0 6px 18px rgba(100, 70, 50, 0.08);
    --code-inline-bg: rgba(160, 135, 115, 0.1);
    --section-gradient: radial-gradient(circle at 50% 100%, rgba(189, 85, 62, 0.03), transparent 60%);
    --cta-gradient: radial-gradient(circle at 50% 50%, rgba(187, 83, 58, 0.08), rgba(244, 235, 221, 0.4) 60%, transparent 80%);

    --keycap-bg: linear-gradient(180deg, #ffffff 0%, #f4ebdd 100%);
    --keycap-border: rgba(160, 135, 115, 0.25);
    --keycap-shadow: 0 8px 24px rgba(100, 70, 50, 0.08);

    --toast-bg: rgba(255, 255, 255, 0.96);
    --toast-shadow: 0 8px 24px rgba(100, 70, 50, 0.12);
    --modal-bg: rgba(255, 255, 255, 0.98);
    --modal-shadow: 0 32px 80px rgba(100, 70, 50, 0.2);
    --modal-input-bg: rgba(160, 135, 115, 0.06);
    --modal-footer-bg: rgba(160, 135, 115, 0.04);
  }
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-width: 320px;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

code, kbd {
  font-family: var(--font-mono);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 60px;
  background: var(--header-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.nav-brand img {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

nav a {
  transition: color 0.15s ease;
}

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

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--nav-btn-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.15s ease;
}

.nav-github:hover {
  background: var(--nav-btn-hover);
  border-color: var(--border-highlight);
}

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-pill);
  background: var(--nav-btn-bg);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  transition: all 0.15s ease;
  cursor: pointer;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--nav-btn-hover);
  border-color: var(--border-highlight);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.theme-toggle .sun-icon {
  display: block;
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
  display: block;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .sun-icon {
    display: none;
  }
  :root:not([data-theme="dark"]) .theme-toggle .moon-icon {
    display: block;
  }
}

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

.hero-section {
  position: relative;
  padding-block: 72px 64px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 720px;
  height: 480px;
  background: var(--hero-glow);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-inline: auto;
  padding-inline: 20px;
}

.app-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}

.app-icon-wrap::after {
  content: "";
  position: absolute;
  inset: -12px;
  background: radial-gradient(circle, rgba(187, 83, 58, 0.40), transparent 70%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(14px);
}

.app-icon {
  width: 84px;
  height: 84px;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.55));
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.hero-lede {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 28px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: var(--btn-primary-shadow);
}

.btn-primary:hover {
  background: var(--btn-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--nav-btn-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--nav-btn-hover);
  border-color: var(--border-highlight);
}

/* Homebrew command pill */
.brew-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px 7px 16px;
  background: var(--brew-pill-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(16px);
  transition: all 0.15s ease;
}

.brew-pill:hover {
  border-color: var(--border-highlight);
  background: var(--brew-pill-hover-bg);
}

.brew-pill code {
  font-size: 0.82rem;
  color: var(--text-secondary);
  user-select: all;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--btn-copy-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.btn-copy svg {
  flex-shrink: 0;
}

.copy-text {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.copy-text::after {
  content: "Copied";
  content: "Copied" / "";
  height: 0;
  visibility: hidden;
  overflow: hidden;
  user-select: none;
  pointer-events: none;
}

.btn-copy:hover {
  background: var(--btn-copy-hover);
}

.btn-copy .icon-check {
  display: none;
}

.btn-copy.copied {
  background: rgba(48, 209, 88, 0.2);
  border-color: rgba(48, 209, 88, 0.4);
  color: #30d158;
}

.btn-copy.copied .icon-copy {
  display: none;
}

.btn-copy.copied .icon-check {
  display: inline-block;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-tertiary);
}

.meta-dot {
  opacity: 0.5;
}

/* ==========================================================================
   Section Headers (Common)
   ========================================================================= */

.section-head {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.section-head p {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Demo Section / Simulated macOS Desktop
   ========================================================================== */

.demo-section {
  padding-block: 48px 96px;
}

.scenarios-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
}

.scenarios-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 4px;
}

.scenarios-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.scenario-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: var(--text-secondary);
  box-shadow: var(--card-shadow);
  transition: all 0.16s ease;
}

.scenario-chip:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.scenario-chip.is-active {
  background: var(--chip-active-bg);
  border-color: var(--chip-active-border);
  color: var(--chip-active-color);
}

.chip-url {
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.chip-badge {
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--code-inline-bg);
  font-size: 0.7rem;
  font-weight: 600;
}

.chip-override {
  border-style: dashed;
}

.chip-override.is-active {
  background: rgba(255, 149, 0, 0.15);
  border-color: rgba(255, 149, 0, 0.45);
  color: var(--accent-yellow);
}

.chip-key {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--code-inline-bg);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* macOS Desktop Frame */
.mac-desktop-frame {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--desktop-frame-border);
  box-shadow: var(--desktop-frame-shadow);
  overflow: hidden;
  background: var(--bg-base);
}

/* Simulated macOS Menu Bar */
.mac-menubar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 32px;
  padding-inline: 14px;
  background: var(--menubar-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--menubar-border);
  font-size: 0.8rem;
  color: var(--text-primary);
  user-select: none;
}

.mac-menubar-left, .mac-menubar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.apple-logo {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
}

.app-name {
  font-weight: 700;
}

.menu-item {
  color: var(--text-secondary);
  font-weight: 400;
}

.status-icon {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
}

.reflex-status {
  color: var(--accent-yellow);
  font-size: 0.88rem;
}

.clock-display {
  font-size: 0.78rem;
  font-weight: 500;
}

/* macOS Workspace / Wallpaper */
.mac-workspace {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  padding: 40px 20px;
  overflow: hidden;
}

.desktop-bg-gradient {
  position: absolute;
  inset: 0;
  background: var(--desktop-bg);
  z-index: 0;
}

.desktop-bg-gradient::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--desktop-overlay);
}

/* ==========================================================================
   Reflex Chooser Panel (Native Mac Panel Recreation)
   ========================================================================== */

.reflex-chooser-panel {
  position: relative;
  z-index: 10;
  width: 312px;
  min-width: 312px;
  max-width: 312px;
  flex-shrink: 0;
  background: var(--chooser-bg);
  backdrop-filter: blur(40px) saturate(190%);
  -webkit-backdrop-filter: blur(40px) saturate(190%);
  border: 1px solid var(--chooser-border);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: var(--chooser-shadow);
  outline: none;
  user-select: none;
}

.reflex-chooser-panel:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-blue), var(--chooser-shadow);
}

.chooser-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding-inline: 12px;
  margin-bottom: 2px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.14s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--text-primary);
}

.chooser-row:hover:not(.is-selected) {
  background: var(--chooser-row-hover);
}

.chooser-row.is-selected {
  background: var(--accent-blue);
  box-shadow: 0 4px 14px rgba(0, 122, 255, 0.45);
  color: #ffffff;
}

.target-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.target-name {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.profile-tag {
  opacity: 0.72;
  font-weight: 400;
  font-size: 0.88rem;
}

.chooser-row.is-selected .profile-tag {
  opacity: 0.9;
}

.target-sparkle {
  color: #ffffff;
  font-size: 0.85rem;
  opacity: 0.95;
  animation: sparkle-pulse 2s infinite ease-in-out;
}

@keyframes sparkle-pulse {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

.target-badges {
  display: flex;
  align-items: center;
  gap: 10px;
}

.key-badge {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--key-badge-bg);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--key-badge-text);
}

.chooser-row.is-selected .key-badge {
  background: var(--key-badge-selected-bg);
  color: var(--key-badge-selected-text);
}

.browser-icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
}

.browser-icon svg {
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Footer of Chooser Panel */
.chooser-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px 4px 10px;
  margin-top: 4px;
  border-top: 1px solid var(--chooser-footer-border);
  font-size: 0.78rem;
  color: var(--chooser-footer-text);
  white-space: nowrap;
}

.chooser-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  min-height: 20px;
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  white-space: nowrap;
}

.status-bolt {
  color: var(--chooser-footer-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.status-msg {
  font-size: 0.76rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1 1 auto;
  color: var(--chooser-footer-text);
  transition: color 0.15s ease;
}

.status-msg.flash-active {
  color: var(--status-active-color);
  font-weight: 500;
}

.btn-settings-gear {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  color: var(--chooser-footer-text);
  transition: all 0.14s ease;
}

.btn-settings-gear:hover {
  color: var(--text-primary);
  background: var(--gear-hover-bg);
}

/* Simulated Launch Toast */
.launch-toast {
  position: absolute;
  bottom: 24px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--toast-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  box-shadow: var(--toast-shadow);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.launch-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

/* Keyboard Hints Below Frame */
.demo-hints {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.demo-hints kbd {
  display: inline-block;
  padding: 2px 6px;
  background: var(--code-inline-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.hint-sep {
  opacity: 0.4;
}

/* ==========================================================================
   Supported Browsers Section
   ========================================================================== */

.browsers-section {
  padding-block: 60px 80px;
  position: relative;
}

.browsers-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-inline: auto;
  max-width: 1040px;
}

.browser-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 14px 18px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.2s ease,
              box-shadow 0.22s ease,
              background-color 0.2s ease;
  width: 154px;
  flex: 0 1 154px;
}

.browser-card:hover {
  transform: translateY(-4px);
  background: var(--card-hover-bg);
  border-color: var(--border-medium);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
}

[data-theme="light"] .browser-card:hover {
  box-shadow: 0 10px 24px rgba(100, 70, 50, 0.12);
}

.browser-card-icon {
  width: 68px;
  height: 68px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.24));
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.browser-card:hover .browser-card-icon {
  transform: scale(1.08);
}

.browser-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 15px;
  user-select: none;
  -webkit-user-drag: none;
}

.browser-card-name {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.browser-card-feature {
  font-size: 0.74rem;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
}

.browser-card-feature.has-profiles {
  color: #5ac8fa;
  background: rgba(90, 200, 250, 0.1);
  border-color: rgba(90, 200, 250, 0.24);
}

[data-theme="light"] .browser-card-feature {
  background: rgba(160, 135, 115, 0.08);
  border-color: rgba(160, 135, 115, 0.16);
  color: #7a6e65;
}

[data-theme="light"] .browser-card-feature.has-profiles {
  color: #0070c9;
  background: rgba(0, 122, 255, 0.08);
  border-color: rgba(0, 122, 255, 0.22);
}

.browsers-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 700px;
  margin-inline: auto;
  padding: 10px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
}

.browsers-note-sparkle {
  color: var(--accent-yellow);
  font-size: 0.95rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .browsers-grid {
    gap: 12px;
  }
  
  .browser-card {
    width: 130px;
    flex: 0 1 130px;
    padding: 18px 10px 14px;
  }
  
  .browser-card-icon {
    width: 56px;
    height: 56px;
  }
  
  .browser-card-name {
    font-size: 0.88rem;
  }
  
  .browser-card-feature {
    font-size: 0.7rem;
  }
  
  .browsers-note {
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.82rem;
  }
}

@media (max-width: 480px) {
  .browsers-grid {
    grid-template-columns: repeat(2, 1fr);
    display: grid;
  }
  
  .browser-card {
    width: auto;
    flex: initial;
  }
}

/* ==========================================================================
   Install Section (4 Cards)
   ========================================================================== */

.install-section {
  padding-block: 80px 96px;
  background: var(--section-gradient);
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.install-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  transition: all 0.18s ease;
}

.install-card:hover {
  background: var(--card-hover-bg);
  border-color: var(--border-medium);
  box-shadow: var(--card-hover-shadow);
  transform: translateY(-2px);
}

.install-card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--card-icon-bg);
  color: var(--text-primary);
}

.install-card-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.install-card-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.install-card-content code {
  display: inline-block;
  padding: 1px 5px;
  background: var(--code-inline-bg);
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-primary);
  word-break: break-all;
}

/* ==========================================================================
   Manual Override Section (Keycaps)
   ========================================================================== */

.override-section {
  padding-block: 80px 96px;
  text-align: center;
}

.keycap-display {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.keycap-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 96px;
  height: 96px;
  padding: 12px;
  background: var(--keycap-bg);
  border: 1px solid var(--keycap-border);
  border-bottom-width: 4px;
  border-radius: 14px;
  box-shadow: var(--keycap-shadow);
  text-align: left;
}

.keycap-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

.keycap-glyph {
  font-size: 2rem;
  font-weight: 600;
  align-self: flex-end;
  color: var(--text-primary);
  line-height: 1;
}

.keycap-plus {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-tertiary);
}

.keycap-mouse {
  position: relative;
  width: 58px;
  height: 94px;
  border: 2px solid var(--keycap-border);
  border-radius: 28px;
  background: var(--keycap-bg);
  box-shadow: var(--keycap-shadow);
}

.keycap-mouse::before {
  content: "";
  position: absolute;
  inset: 0 50% 55% 0;
  border-right: 1px solid var(--keycap-border);
  border-bottom: 1px solid var(--keycap-border);
  border-radius: 26px 0 0 0;
  background: var(--accent-blue-glow);
}

.mouse-wheel {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--text-secondary);
}

.override-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.override-desc {
  max-width: 620px;
  margin-inline: auto;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.override-desc kbd {
  display: inline-block;
  padding: 1px 6px;
  background: var(--code-inline-bg);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* ==========================================================================
   Comparison Section
   ========================================================================== */

.compare-section {
  padding-block: 80px 96px;
  border-top: 1px solid var(--border-subtle);
  background: var(--section-gradient);
}

.compare-table-container {
  margin-bottom: 48px;
}

.compare-table-wrap {
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.compare-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
  color: var(--text-secondary);
}

.compare-table thead th {
  background: var(--bg-surface-elevated);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-medium);
  padding-top: 18px;
  padding-bottom: 18px;
}

.compare-table .th-feature {
  width: 22%;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.76rem;
}

.compare-table .th-app {
  width: 19.5%;
}

.compare-table .th-reflex {
  background: rgba(255, 255, 255, 0.035);
}

[data-theme="light"] .compare-table .th-reflex {
  background: rgba(0, 0, 0, 0.025);
}

.app-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-icon-mini {
  border-radius: 5px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.app-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.feature-cell {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.td-reflex {
  background: rgba(255, 255, 255, 0.035);
  font-weight: 500;
  color: var(--text-primary) !important;
}

[data-theme="light"] .td-reflex {
  background: rgba(0, 0, 0, 0.025);
  color: var(--text-primary) !important;
}

.compare-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

.compare-table tbody tr:hover .td-reflex {
  background: rgba(255, 255, 255, 0.055);
}

[data-theme="light"] .compare-table tbody tr:hover td {
  background: rgba(0, 0, 0, 0.01);
}

[data-theme="light"] .compare-table tbody tr:hover .td-reflex {
  background: rgba(0, 0, 0, 0.04);
}

.check-icon {
  display: inline-block;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-right: 6px;
}

.cross-icon {
  display: inline-block;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-right: 6px;
}

.muted-dash {
  color: var(--text-tertiary);
  font-weight: 600;
}

.table-scroll-hint {
  display: none;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 10px;
}

/* Takeaway Cards */
.compare-takeaways {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.takeaway-card {
  padding: 28px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all 0.18s ease;
}

.takeaway-card:hover {
  background: var(--card-hover-bg);
  border-color: var(--border-medium);
}

.takeaway-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--card-icon-bg);
  color: var(--text-primary);
  margin-bottom: 18px;
}

.takeaway-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.takeaway-card p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ==========================================================================
   Privacy & Architecture Section (3 Cards)
   ========================================================================== */

.privacy-section {
  padding-block: 80px 96px;
  border-top: 1px solid var(--border-subtle);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.privacy-card {
  padding: 28px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  transition: all 0.18s ease;
}

.privacy-card:hover {
  background: var(--card-hover-bg);
  border-color: var(--border-medium);
  box-shadow: var(--card-hover-shadow);
}

.privacy-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 14px;
}

.privacy-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.privacy-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.privacy-card code {
  font-size: 0.82rem;
  color: var(--text-primary);
  background: var(--code-inline-bg);
  padding: 1px 4px;
  border-radius: 3px;
}

/* ==========================================================================
   Bottom CTA Section
   ========================================================================== */

.cta-section {
  padding-block: 96px 108px;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  background: var(--cta-gradient);
}

.cta-icon {
  margin-bottom: 24px;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.5));
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

.site-footer {
  padding-block: 36px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-right a {
  transition: color 0.15s ease;
}

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

/* ==========================================================================
   Settings Modal
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

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

.modal-dialog {
  width: 100%;
  max-width: 440px;
  background: var(--modal-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--modal-shadow);
  overflow: hidden;
  transform: scale(0.96);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.is-open .modal-dialog {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.btn-modal-close {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: var(--card-icon-bg);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.14s ease;
}

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

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.setting-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.setting-label {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.setting-label strong {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.setting-label span {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.setting-select {
  padding: 6px 10px;
  background: var(--modal-input-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
}

.setting-toggle {
  width: 36px;
  height: 20px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.setting-value {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  padding: 14px 20px;
  background: var(--modal-footer-bg);
  border-top: 1px solid var(--border-subtle);
}

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

@media (max-width: 960px) {
  .install-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .compare-takeaways {
    grid-template-columns: 1fr;
  }

  .table-scroll-hint {
    display: block;
  }
  
  .mac-menubar .menu-item {
    display: none;
  }
}

@media (max-width: 640px) {
  nav a:not(.nav-github) {
    display: none;
  }

  .compare-table th,
  .compare-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }
  
  .mac-menubar-left .menu-item {
    display: none;
  }
  
  .mac-menubar-right .clock-display {
    display: none;
  }

  .hero-section {
    padding-block: 52px 48px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn-primary {
    width: 100%;
  }
  
  .brew-pill {
    width: 100%;
    justify-content: space-between;
  }
  
  .brew-pill code {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .install-grid {
    grid-template-columns: 1fr;
  }
  
  .mac-workspace {
    min-height: 480px;
    padding: 24px 12px;
  }
  
  .scenarios-bar {
    justify-content: flex-start;
  }
  
  .scenarios-list {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 6px;
    width: 100%;
  }
  
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 400px) {
  .keycap-display {
    gap: 10px;
  }
  
  .keycap-item {
    width: 80px;
    height: 80px;
    padding: 10px;
  }
  
  .keycap-glyph {
    font-size: 1.6rem;
  }
  
  .keycap-mouse {
    width: 50px;
    height: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}