/* ============================================================
   POWER SCRAPER PRO - Design System
   Modern CSS architecture with fluid typography, container-aware
   grids, and progressive enhancement.
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors - Dark Navy Theme */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1a2035;
  --color-bg-card: rgba(26, 32, 53, 0.7);
  --color-bg-glass: rgba(17, 24, 39, 0.6);
  --color-bg-glass-hover: rgba(26, 32, 53, 0.85);

  /* Accent Colors - Blue/Silver matching app */
  --color-accent: #4f8ef7;
  --color-accent-light: #7bb3ff;
  --color-accent-dark: #2563eb;
  --color-accent-glow: rgba(79, 142, 247, 0.3);
  --color-accent-subtle: rgba(79, 142, 247, 0.08);

  /* Secondary Accent - Purple */
  --color-secondary: #8b5cf6;
  --color-secondary-light: #a78bfa;
  --color-secondary-glow: rgba(139, 92, 246, 0.3);

  /* Text Colors */
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;
  --color-text-accent: #7bb3ff;

  /* Borders */
  --color-border: rgba(148, 163, 184, 0.1);
  --color-border-hover: rgba(148, 163, 184, 0.2);
  --color-border-accent: rgba(79, 142, 247, 0.3);

  /* Focus ring */
  --color-focus: rgba(79, 142, 247, 0.6);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #1a1a3e 50%, #0a0e1a 100%);
  --gradient-card: linear-gradient(135deg, rgba(26, 32, 53, 0.8) 0%, rgba(17, 24, 39, 0.6) 100%);
  --gradient-accent: linear-gradient(135deg, #4f8ef7 0%, #8b5cf6 100%);
  --gradient-accent-hover: linear-gradient(135deg, #7bb3ff 0%, #a78bfa 100%);
  --gradient-text: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 100%);
  --gradient-shine: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(79, 142, 247, 0.15);
  --shadow-glow-strong: 0 0 60px rgba(79, 142, 247, 0.25);

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-gutter: stable;
  hanging-punctuation: first last;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100dvh;
}

/* Scrollbar Styling - Cross-browser */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-tertiary) var(--color-bg-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}

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

/* Focus-visible for keyboard navigation only */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

.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;
}

.sr-only--focusable:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-6);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-accent);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  z-index: 10000;
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--space-8);
  z-index: 1000;
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.nav--scrolled {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 1.125rem;
}

.nav__brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--gradient-accent);
  color: white;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(79, 142, 247, 0.2);
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(79, 142, 247, 0.3);
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  touch-action: manipulation;
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-16);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero__bg-glow--1 {
  top: -200px;
  right: -200px;
  background: var(--color-accent);
}

.hero__bg-glow--2 {
  bottom: -300px;
  left: -200px;
  background: var(--color-secondary);
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 142, 247, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 142, 247, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-accent);
  font-weight: 500;
  margin-bottom: var(--space-8);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
  font-size: clamp(2.25rem, 5vw + 1rem, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  text-wrap: balance;
}

.hero__title-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 650px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.7;
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__screenshot {
  position: relative;
  margin-top: var(--space-16);
  max-width: 1000px;
  width: 100%;
}

.hero__screenshot-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border: 1px solid var(--color-border);
}

.hero__screenshot-glow {
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  background: var(--gradient-accent);
  opacity: 0.1;
  filter: blur(20px);
  z-index: -1;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-decoration: none;
  cursor: pointer;
  border: none;
  touch-action: manipulation;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(79, 142, 247, 0.2);
}

.btn--primary:hover {
  box-shadow: var(--shadow-lg), 0 0 40px rgba(79, 142, 247, 0.3);
}

.btn--secondary {
  background: var(--color-bg-glass);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-hover);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

.btn__icon {
  width: 20px;
  height: 20px;
}

/* --- Section --- */
.section {
  padding: var(--space-24) var(--space-6);
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: auto 800px;
}

.section--alt {
  background: var(--color-bg-secondary);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section__label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(1.875rem, 3vw + 0.5rem, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  text-wrap: balance;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  text-wrap: pretty;
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
  gap: var(--space-6);
}

.feature-card {
  position: relative;
  padding: var(--space-8);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shine);
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  font-size: 1.5rem;
}

.feature-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.feature-card__desc {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.feature-card__list {
  list-style: none;
  margin-top: var(--space-4);
}

.feature-card__list li {
  position: relative;
  padding-inline-start: var(--space-5);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
}

.feature-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* --- Stats Bar --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: var(--space-6);
  padding: var(--space-12) var(--space-6);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: 2.25rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-2);
}

/* --- Platform Badges --- */
.platforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding: var(--space-8) 0;
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.platform-badge__icon {
  font-size: 1.125rem;
}

/* --- Screenshot Showcase --- */
.showcase {
  position: relative;
  padding: var(--space-4) 0;
}

.showcase__item {
  position: relative;
  margin-bottom: var(--space-24);
}

.showcase__item:nth-child(even) {
  direction: rtl;
}

.showcase__item:nth-child(even) > * {
  direction: ltr;
}

.showcase__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.showcase__content {
  padding-block: var(--space-8);
}

.showcase__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.showcase__title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.showcase__desc {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
  text-wrap: pretty;
}

.showcase__image {
  position: relative;
}

.showcase__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.showcase__img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* --- Screenshot Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
  gap: var(--space-6);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.gallery-item__img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-item__img {
  transform: scale(1.03);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.9) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  cursor: zoom-out;
}

.lightbox--active {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: var(--color-bg-glass-hover);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--space-32) var(--space-6);
  position: relative;
  overflow: hidden;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(79, 142, 247, 0.08) 0%, transparent 60%);
}

.cta-section__title {
  font-size: clamp(1.875rem, 4vw + 0.5rem, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  position: relative;
  text-wrap: balance;
}

.cta-section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-inline: auto;
  position: relative;
}

/* --- Footer --- */
.footer {
  padding: var(--space-12) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer__content {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer__brand-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
}

.footer__brand-name {
  font-weight: 700;
  font-size: 1rem;
}

.footer__copy {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer__link {
  color: var(--color-text-tertiary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer__disclaimer {
  max-width: var(--container-max);
  margin-inline: auto;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__disclaimer-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.footer__disclaimer-text {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  opacity: 0.8;
  line-height: 1.6;
  max-width: 40rem;
  margin-inline: auto;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* --- Feature Detail Page --- */
.feature-detail {
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-16);
}

.feature-hero {
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.feature-hero__icon {
  font-size: 3rem;
  margin-bottom: var(--space-6);
}

.feature-hero__title {
  font-size: clamp(1.875rem, 3.5vw + 0.5rem, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  text-wrap: balance;
}

.feature-hero__desc {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  text-wrap: pretty;
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-bg-tertiary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

.comparison-table td {
  font-size: 1rem;
  color: var(--color-text-primary);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: var(--color-bg-glass);
}

.check-icon {
  color: #10b981;
  font-weight: 700;
}

/* --- Download Section --- */
.download-card {
  max-width: 600px;
  margin-inline: auto;
  padding: var(--space-10);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  text-align: center;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
}

.download-card__icon {
  width: 80px;
  height: 80px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.download-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.download-card__version {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-6);
}

.download-card__requirements {
  list-style: none;
  margin-bottom: var(--space-8);
}

.download-card__requirements li {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.download-card__requirements li:last-child {
  border-bottom: none;
}

.download-card__price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: var(--space-4) 0;
}

.download-card__note {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  opacity: 0.7;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* --- 404 Page --- */
.hero--404 {
  min-height: 80vh;
}

.hero__title--404 {
  font-size: 8rem;
  margin-bottom: 1rem;
}

.hero__subtitle--404 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

/* --- Floating Particles (subtle) --- */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: float-particle linear infinite;
  will-change: transform;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* ============================================================
   RESPONSIVE DESIGN
   Mobile-first overrides, largest → smallest breakpoints.
   Fluid typography via clamp() handles most scaling above.
   ============================================================ */

/* 1024px - Tablets landscape, small laptops */
@media (max-width: 1024px) {
  .showcase__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .showcase__item:nth-child(even) {
    direction: ltr;
  }

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

/* 768px - Tablets portrait, large phones landscape */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav__links--open {
    transform: translateX(0);
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-12);
  }

  .hero__actions {
    flex-direction: column;
  }

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

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

  .platforms {
    gap: var(--space-4);
  }

  .footer__content {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: var(--space-16) var(--space-4);
  }

  .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* 640px - Large phones, features grid to single column */
@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* 480px - Standard phones (iPhone 13-17, Galaxy S21-S25) */
@media (max-width: 480px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: var(--space-6);
  }

  .container {
    padding-inline: var(--space-4);
  }

  .download-card {
    padding: var(--space-6);
  }
}

/* 360px - Small phones (iPhone SE, older Galaxy) */
@media (max-width: 360px) {
  .btn--large {
    padding: var(--space-3) var(--space-6);
    font-size: 0.875rem;
  }

  .platform-badge {
    font-size: 0.75rem;
  }

  .container {
    padding-inline: var(--space-3);
  }
}

/* --- Print Styles --- */
@media print {
  .nav,
  .particles,
  .hero__bg-glow,
  .hero__bg-grid,
  .lightbox,
  .nav__toggle {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section,
  .hero {
    padding: 1rem 0;
  }
}