/* ============================================
   FIT7X BRAND WEBSITE — DESIGN SYSTEM
   ============================================ */

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

:root {
  /* Core Palette */
  --bg-primary: #06060c;
  --bg-secondary: #0c0c16;
  --bg-card: #10101c;
  --bg-card-hover: #14142a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-border: rgba(255, 255, 255, 0.06);

  /* Accent Colors (from Fit7X logo) */
  --accent-blue: #2196F3;
  --accent-blue-dark: #1565C0;
  --accent-orange: #FF6B35;
  --accent-orange-dark: #E55A2B;
  --accent-gradient: linear-gradient(135deg, #2196F3 0%, #FF6B35 100%);
  --accent-gradient-hover: linear-gradient(135deg, #42A5F5 0%, #FF8A5C 100%);
  --accent-glow-blue: rgba(33, 150, 243, 0.15);
  --accent-glow-orange: rgba(255, 107, 53, 0.15);

  /* Text */
  --text-primary: #F0F0F8;
  --text-secondary: #7E7E9A;
  --text-muted: #4A4A64;
  --text-accent: #2196F3;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow-blue: 0 0 40px rgba(33, 150, 243, 0.2);
  --shadow-glow-orange: 0 0 40px rgba(255, 107, 53, 0.2);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

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

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  transition: background var(--transition-normal),
              backdrop-filter var(--transition-normal),
              border-color var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(6, 6, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--bg-glass-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 2px;
}

.nav-logo-text span:first-child {
  color: var(--text-primary);
}

.nav-logo-text span:nth-child(2) {
  color: var(--accent-blue);
}

.nav-logo-text span:last-child {
  color: var(--accent-orange);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 24px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #fff;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

/* Mobile menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 8px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 12, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--nav-height) 0 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 6, 12, 0.3) 0%,
    rgba(6, 6, 12, 0.6) 50%,
    var(--bg-primary) 100%
  );
}

/* Animated gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb--blue {
  width: 500px;
  height: 500px;
  background: var(--accent-blue);
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.hero-orb--orange {
  width: 400px;
  height: 400px;
  background: var(--accent-orange);
  bottom: 10%;
  right: -5%;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  min-height: calc(100vh - var(--nav-height));
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(33, 150, 243, 0.4);
}

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

.btn-secondary:hover {
  background: var(--bg-glass);
  border-color: var(--accent-blue);
  transform: translateY(-3px);
}

.btn-icon {
  font-size: 1.1rem;
}

/* Hero phone mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-phone {
  position: relative;
  z-index: 2;
}

.hero-phone img {
  max-width: 400px;
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.hero-phone::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: var(--accent-gradient);
  border-radius: var(--radius-xl);
  opacity: 0.15;
  filter: blur(40px);
  z-index: -1;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--bg-glass-border);
}

.hero-stat {
  text-align: left;
}

.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 2px;
}

@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .hero-phone img {
    max-width: 280px;
  }
  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  .hero-stat {
    text-align: center;
  }
  .hero-stat-number {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    justify-content: center;
  }
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  padding: var(--space-4xl) 0;
  position: relative;
}

.features-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.features-header .section-subtitle {
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(33, 150, 243, 0.2);
  box-shadow: var(--shadow-card);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
  position: relative;
}

.feature-icon--blue {
  background: rgba(33, 150, 243, 0.1);
  color: var(--accent-blue);
}

.feature-icon--orange {
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent-orange);
}

.feature-icon--gradient {
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(255, 107, 53, 0.1));
  color: var(--accent-blue);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.5px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 968px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   APP SHOWCASE SECTION
   ============================================ */
.showcase {
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.showcase-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.showcase-header .section-subtitle {
  margin: 0 auto;
}

.showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.showcase-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.showcase-phone {
  position: relative;
}

.showcase-phone img {
  max-width: 360px;
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.showcase-phone::after {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, var(--accent-glow-blue), transparent 70%);
  z-index: -1;
}

.showcase-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.showcase-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.showcase-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(33, 150, 243, 0.15);
}

.showcase-item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(33, 150, 243, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.showcase-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.showcase-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .showcase-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .showcase-visual {
    order: -1;
  }
  .showcase-phone img {
    max-width: 260px;
  }
}

/* ============================================
   WORKOUT PREVIEW SECTION
   ============================================ */
.workout-preview {
  padding: var(--space-4xl) 0;
  position: relative;
}

.workout-preview-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.workout-preview-header .section-subtitle {
  margin: 0 auto;
}

.workout-days {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.workout-day-tab {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.workout-day-tab:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

.workout-day-tab.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
}

.workout-exercises {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.workout-exercise-card {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.workout-exercise-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 107, 53, 0.2);
}

.workout-exercise-name {
  font-size: 0.95rem;
  font-weight: 600;
}

.workout-exercise-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.workout-exercise-sets {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-orange);
  font-weight: 600;
}

.workout-exercise-reps {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
}

@media (max-width: 600px) {
  .workout-exercise-card {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
    text-align: center;
  }
}

/* ============================================
   DOWNLOADS SECTION
   ============================================ */
.downloads {
  padding: var(--space-4xl) 0;
  position: relative;
}

.downloads::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow-blue), transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}

.downloads-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.downloads-header .section-subtitle {
  margin: 0 auto;
}

.latest-release {
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  background: var(--bg-card);
  border: 1px solid rgba(33, 150, 243, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.latest-release::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.latest-release-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.latest-release-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 12px;
  background: rgba(33, 150, 243, 0.1);
  border: 1px solid rgba(33, 150, 243, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.latest-release-version {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
}

.latest-release-meta {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.latest-release-meta span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.latest-release-meta .meta-icon {
  font-size: 1rem;
}

.changelog-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.changelog-list {
  margin-bottom: var(--space-xl);
}

.changelog-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.changelog-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-weight: 700;
}

.download-btn {
  width: 100%;
  padding: 16px 32px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.3);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(33, 150, 243, 0.4);
}

.download-btn-building {
  background: linear-gradient(135deg, #374151, #4B5563);
  box-shadow: none;
  cursor: default;
  opacity: 0.85;
}

.download-btn-building:hover {
  transform: none;
  box-shadow: none;
}

/* Version history */
.version-history {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.version-history-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  text-align: center;
}

.version-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.version-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

.version-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.version-card-header:hover {
  background: var(--bg-card-hover);
}

.version-card-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.version-card-number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.version-card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.version-card-toggle {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.version-card-toggle.open {
  transform: rotate(180deg);
}

.version-card-body {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  border-top: 1px solid var(--bg-glass-border);
}

.version-card-body.open {
  display: block;
  padding-top: var(--space-md);
}

.version-card-body .changelog-list {
  margin-bottom: var(--space-md);
}

.version-download-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-blue);
  transition: color var(--transition-fast);
}

.version-download-link:hover {
  color: var(--accent-orange);
}

.no-history {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--bg-glass-border);
  border-bottom: 1px solid var(--bg-glass-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 350px;
}

.footer-column h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.footer-column a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--bg-glass-border);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  color: #fff;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(33, 150, 243, 0.5);
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: #1a1a2e;
}

/* ============================================
   LOADING SHIMMER
   ============================================ */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: #0b1121;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.speed-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

.line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  height: 2px;
  width: 200px;
  border-radius: 50%;
  animation: dash linear infinite;
}

@keyframes dash {
  0% { transform: translateX(-100vw); }
  100% { transform: translateX(100vw); }
}

.bg-figures {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.figure { position: absolute; filter: blur(4px); }
.fig-runner { top: 20%; left: 100%; width: 35vw; height: 35vw; color: rgba(0, 198, 255, 0.2); animation: runAcross 14s linear infinite; }
.fig-pushup { width: 40vw; height: 20vw; left: 5%; bottom: 10%; color: rgba(255, 128, 8, 0.2); transform-origin: center bottom; animation: pushupAnim 4s ease-in-out infinite; }
.fig-lifter { width: 30vw; height: 30vw; left: 15%; top: 5%; color: rgba(255, 255, 255, 0.08); animation: lifterAnim 6s ease-in-out infinite alternate; }
.fig-kick { width: 35vw; height: 35vw; right: 5%; top: 15%; color: rgba(0, 198, 255, 0.1); animation: kickFloat 8s ease-in-out infinite alternate; }

@keyframes runAcross { 0% { transform: translateX(0); opacity: 0; } 5% { opacity: 0.15; } 90% { opacity: 0.15; } 100% { transform: translateX(-150vw); opacity: 0; } }
@keyframes pushupAnim { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(15px) rotate(0deg); } }
@keyframes lifterAnim { 0% { transform: translateY(0); } 100% { transform: translateY(12px); } }
@keyframes kickFloat { 0% { transform: translateY(0) scale(1); opacity: 0.05; } 100% { transform: translateY(-20px) scale(1.05); opacity: 0.12; } }

.logo-wrapper { position: relative; z-index: 10; display: flex; flex-direction: column; align-items: center; transform-style: preserve-3d; }

.main-text-container { display: flex; align-items: center; font-size: 8rem; font-weight: 900; font-style: italic; line-height: 1; position: relative; text-transform: uppercase; white-space: nowrap; }
.text-fit { color: white; text-shadow: 0 10px 20px rgba(0, 0, 0, 0.5); opacity: 0; transform: translateX(-100px) skewX(-15deg); animation: slamLeft 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s forwards; position: relative; z-index: 3; }
.text-7 { background: linear-gradient(135deg, #00c6ff, #0072ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 15px rgba(0, 114, 255, 0.6)); margin-left: 5px; margin-right: -15px; opacity: 0; transform: translateY(-100px) scale(0.5) skewX(-15deg); animation: slamDown 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.4s forwards; position: relative; z-index: 2; }
.text-x { background: linear-gradient(135deg, #ff8008, #ffc837); -webkit-background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 20px rgba(255, 128, 8, 0.6)); opacity: 0; transform: translateX(100px) skewX(-15deg); animation: slamRight 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.6s forwards; position: relative; z-index: 4; }

.flames { position: absolute; top: -40px; left: 30%; width: 150px; height: 100px; z-index: 1; opacity: 0; transform: scale(0.5) rotate(-10deg); animation: ignite 0.6s ease-out 1s forwards, flicker 2s infinite alternate 1.6s; }

.subtext { font-size: 1.2rem; font-weight: 800; letter-spacing: 0px; color: #a0aec0; margin-top: 10px; opacity: 0; transform: translateY(20px); animation: revealSub 1s ease-out 1.2s forwards; text-shadow: 0 4px 6px rgba(0, 0, 0, 0.5); }

.flash { position: absolute; top: 50%; left: 50%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 70%); transform: translate(-50%, -50%) scale(0); border-radius: 50%; z-index: 0; pointer-events: none; mix-blend-mode: overlay; }
.flash.active { animation: flashBurst 0.6s ease-out forwards; }

.float-anim { animation: float 4s ease-in-out infinite alternate 2s; }

@keyframes slamLeft { 0% { transform: translateX(-150px) skewX(-15deg); opacity: 0; filter: blur(10px); } 100% { transform: translateX(0) skewX(-15deg); opacity: 1; filter: blur(0); } }
@keyframes slamDown { 0% { transform: translateY(-150px) scale(0.5) skewX(-15deg); opacity: 0; filter: blur(10px); } 100% { transform: translateY(0) scale(1) skewX(-15deg); opacity: 1; filter: blur(0); } }
@keyframes slamRight { 0% { transform: translateX(150px) skewX(-15deg); opacity: 0; filter: blur(10px); } 100% { transform: translateX(0) skewX(-15deg); opacity: 1; filter: blur(0); } }
@keyframes flashBurst { 0% { transform: translate(-50%, -50%) scale(0); opacity: 1; } 100% { transform: translate(-50%, -50%) scale(2); opacity: 0; } }
@keyframes ignite { 0% { opacity: 0; transform: scale(0.5) translate(-20px, 20px) rotate(-10deg); } 50% { opacity: 1; transform: scale(1.2) translate(0px, 0px) rotate(0deg); } 100% { opacity: 0.9; transform: scale(1) translate(0, 0) rotate(0deg); } }
@keyframes flicker { 0% { transform: scale(1) skewX(0deg); filter: drop-shadow(0 0 10px #ff8008); } 33% { transform: scale(1.05) skewX(-2deg); filter: drop-shadow(0 0 20px #ffc837); } 66% { transform: scale(0.98) skewX(2deg); filter: drop-shadow(0 0 15px #ff8008); } 100% { transform: scale(1.02) skewX(-1deg); filter: drop-shadow(0 0 25px #ffc837); } }
@keyframes revealSub { 0% { opacity: 0; transform: translateY(20px); letter-spacing: 0px; } 100% { opacity: 1; transform: translateY(0); letter-spacing: 12px; } }
@keyframes float { 0% { transform: translateY(0px); } 100% { transform: translateY(-10px); } }

@keyframes shake { 0% { transform: translate(1px, 1px) rotate(0deg); } 10% { transform: translate(-1px, -2px) rotate(-1deg); } 20% { transform: translate(-3px, 0px) rotate(1deg); } 30% { transform: translate(3px, 2px) rotate(0deg); } 40% { transform: translate(1px, -1px) rotate(1deg); } 50% { transform: translate(-1px, 2px) rotate(-1deg); } 60% { transform: translate(-3px, 1px) rotate(0deg); } 70% { transform: translate(3px, 1px) rotate(-1deg); } 80% { transform: translate(-1px, -1px) rotate(1deg); } 90% { transform: translate(1px, 2px) rotate(0deg); } 100% { transform: translate(1px, -2px) rotate(-1deg); } }
.shake-active { animation: shake 0.4s cubic-bezier(.36, .07, .19, .97) both; }

@media (max-width: 768px) {
  .main-text-container { font-size: 4.5rem; }
  .flames { width: 100px; height: 70px; top: -30px; left: 35%; }
  .subtext { font-size: 0.9rem; animation: revealSubMobile 1s ease-out 1.2s forwards; }
  .fig-runner { width: 60vw; height: 60vw; }
  .fig-pushup { width: 60vw; height: 30vw; left: -10%; bottom: 5%; }
  .fig-lifter { width: 40vw; height: 40vw; top: 2%; }
  .fig-kick { width: 50vw; height: 50vw; right: -5%; }
  @keyframes revealSubMobile { 0% { opacity: 0; transform: translateY(20px); letter-spacing: 0px; } 100% { opacity: 1; transform: translateY(0); letter-spacing: 6px; } }
}