/* ==========================================
   BackPocket Apps - Landing Page Styles
   ========================================== */

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

:root {
  --color-bg: #0e0e12;
  --color-surface: #1a1a24;
  --color-surface-hover: #22222e;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-text: #f0f0f5;
  --color-text-muted: #9090a8;
  --color-text-subtle: #6a6a80;
  --color-accent: #7c5cfc;
  --color-accent-glow: rgba(124, 92, 252, 0.25);
  --color-pink: #f472b6;
  --color-purple: #a78bfa;
  --color-gold: #fbbf24;
  --color-green: #34d399;
  --color-blue: #60a5fa;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(124, 92, 252, 0.15);
  --max-width: 1100px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

/* ==========================================
   Background Effects
   ========================================== */

.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-gradient-blob {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.blob-1 {
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, var(--color-accent-glow), transparent 70%);
}

.blob-2 {
  bottom: -200px;
  left: -200px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.12), transparent 70%);
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(14, 14, 18, 0.8);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-brand .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent), var(--color-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(14, 14, 18, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
  }

  .nav-links a.active::after {
    display: none;
  }
}

/* ==========================================
   Layout Helpers
   ========================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-content {
  position: relative;
  z-index: 1;
  padding-top: 64px;
}

.section {
  padding: 80px 0;
}

@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }
}

/* ==========================================
   Typography
   ========================================== */

.heading-xl {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.heading-lg {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.heading-md {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.text-lg {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.text-md {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 0 40px;
  position: relative;
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  border-radius: 100px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  animation: fadeInDown 0.6s ease forwards;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.5);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero h1 {
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

.hero .text-lg {
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.7s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #6344e0);
  color: #fff;
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--color-accent-glow);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: rgba(255, 255, 255, 0.1);
}

/* ==========================================
   Cards
   ========================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================
   Game Showcase
   ========================================== */

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.game-card {
  position: relative;
  overflow: hidden;
}

.game-card .card-icon {
  width: 56px;
  height: 56px;
  font-size: 1.6rem;
}

.game-card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 16px;
}

.tag-available {
  background: rgba(52, 211, 153, 0.12);
  color: var(--color-green);
}

.tag-coming {
  background: rgba(251, 191, 36, 0.12);
  color: var(--color-gold);
}

.tag-more {
  background: rgba(96, 165, 250, 0.12);
  color: var(--color-blue);
}

/* ==========================================
   Features Section
   ========================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.feature-card .card-icon.icon-purple { background: rgba(124, 92, 252, 0.12); }
.feature-card .card-icon.icon-pink { background: rgba(244, 114, 182, 0.12); }
.feature-card .card-icon.icon-gold { background: rgba(251, 191, 36, 0.12); }
.feature-card .card-icon.icon-green { background: rgba(52, 211, 153, 0.12); }
.feature-card .card-icon.icon-blue { background: rgba(96, 165, 250, 0.12); }

/* ==========================================
   CTA / Newsletter Section
   ========================================== */

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

.cta-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 64px 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, var(--color-accent-glow), transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  margin-bottom: 32px;
  position: relative;
}

.cta-box .hero-cta-group {
  position: relative;
  animation: none;
  opacity: 1;
}

/* ==========================================
   About Page
   ========================================== */

.about-hero {
  padding: 100px 0 60px;
  text-align: center;
}

.about-hero h1 {
  margin-bottom: 20px;
}

.about-hero p {
  max-width: 600px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin: 40px 0;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.about-image-placeholder {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.about-image-placeholder .emoji-stack {
  font-size: 3rem;
  display: flex;
  gap: 8px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
}

.value-card .card-icon {
  margin: 0 auto 20px;
}

/* ==========================================
   Contact Page
   ========================================== */

.contact-hero {
  padding: 100px 0 60px;
  text-align: center;
}

.contact-hero h1 {
  margin-bottom: 20px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  padding: 28px;
}

.contact-info-card .card-icon {
  margin-bottom: 16px;
}

.contact-info-card h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.contact-info-card p {
  font-size: 0.9rem;
}

.contact-info-card a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.contact-info-card a:hover {
  color: var(--color-pink);
}

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

.footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  margin-top: 40px;
}

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

.footer-text {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
  transition: color var(--transition-fast);
}

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

/* ==========================================
   Animations
   ========================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.08s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.16s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.24s; }
.stagger-children .fade-in:nth-child(5) { transition-delay: 0.32s; }
.stagger-children .fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ==========================================
   Section Headers
   ========================================== */

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.section-header .section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

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

@media (max-width: 480px) {
  .hero {
    padding: 60px 0 20px;
  }

  .card {
    padding: 24px;
  }

  .cta-box {
    padding: 48px 24px;
  }

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