/* ===== Design Tokens ===== */
:root {
  /* Colors */
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text-primary: #0f1419;
  --color-text-secondary: #536471;
  --color-text-muted: #8899a6;
  --color-accent: #09a5c4;
  --color-accent-hover: #0891ab;
  --color-accent-glow: rgba(9, 165, 196, 0.15);
  --color-secondary: #00404D;
  --color-success: #00c853;
  --color-success-bg: rgba(0, 200, 83, 0.08);
  --color-border: #e1e8ed;
  --color-border-focus: #1a1a2e;
  --color-tag-bg: #f0f4f8;
  --color-tag-text: #00404D;
  --color-footer-text: #8899a6;
  --color-link: #536471;
  --color-link-hover: #00404D;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.25rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-focus: 0 0 0 3px var(--color-accent-glow);

  /* 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);
}

/* ===== 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;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* ===== Ambient Background Glow ===== */
body::before {
  content: '';
  position: absolute;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vw;
  max-width: 1000px;
  max-height: 1000px;
  background: radial-gradient(circle, rgba(9, 165, 196, 0.12) 0%, rgba(250, 250, 250, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

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

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

a:hover {
  color: var(--color-link-hover);
}

/* ===== Layout ===== */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

/* ===== Layout & Containers ===== */
.main-content {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
  min-height: calc(100vh - 180px);
}

/* ===== Content Section ===== */
.content-section {
  max-width: 640px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* ===== Header / Navbar ===== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-4xl);
  border-bottom: 1px solid var(--color-border);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 100px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

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

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

/* ===== Left Content Section ===== */
.content-section {
  max-width: 540px;
}

.launch-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-xl);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeInUp 0.6s var(--transition-base) forwards;
  animation-delay: 0.1s;
}

.launch-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #0f1419 0%, #00404D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.7s var(--transition-base) forwards;
  animation-delay: 0.2s;
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin: 0 auto var(--space-md);
  max-width: 480px;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.7s var(--transition-base) forwards;
  animation-delay: 0.35s;
}

/* ===== Feature Bullets ===== */
.feature-bullets {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
  margin: 0 auto var(--space-xl);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.7s var(--transition-base) forwards;
  animation-delay: 0.45s;
}

.feature-bullets li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
}

.feature-bullets .check {
  color: var(--color-accent);
  font-weight: 800;
}

/* ===== Email Form ===== */
.waitlist-form {
  display: flex;
  gap: var(--space-sm);
  width: 100%;
  max-width: 460px;
  margin: 0 auto var(--space-xl);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.7s var(--transition-base) forwards;
  animation-delay: 0.5s;
  background: var(--color-surface);
  padding: var(--space-xs);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 64, 77, 0.08), 0 1px 3px rgba(0,0,0,0.05);
}

.email-input-wrapper {
  flex: 1;
  position: relative;
}

.email-input {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  outline: none;
}

.email-input::placeholder {
  color: var(--color-text-muted);
}

.email-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-focus);
}

.email-input:user-valid:not(:placeholder-shown) {
  border-color: var(--color-success);
}

.join-btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  transition: all var(--transition-base), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.join-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.join-btn .btn-icon {
  transition: transform var(--transition-fast);
}

.join-btn:hover .btn-icon {
  transform: translateX(3px);
}

/* Success State */
.form-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 20px;
  width: 100%;
  max-width: 420px;
  margin: 0 auto var(--space-xl);
  background: var(--color-success-bg);
  border: 1.5px solid var(--color-success);
  border-radius: var(--radius-md);
  color: #1b5e20;
  font-size: var(--font-size-sm);
  font-weight: 500;
  animation: fadeInUp 0.4s var(--transition-base) forwards;
}

.form-success.visible {
  display: flex;
}

.form-success .check-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

/* ===== Coming Soon Stores ===== */
.coming-soon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.7s var(--transition-base) forwards;
  animation-delay: 0.55s;
}

.coming-soon-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.coming-soon-icons {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.store-badge {
  height: 36px;
  width: auto;
  transition: transform var(--transition-fast), filter var(--transition-fast);
  cursor: pointer;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.store-badge:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.12));
}

/* ===== Social Proof ===== */
.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.7s var(--transition-base) forwards;
  animation-delay: 0.65s;
}

.avatar-stack {
  display: flex;
  align-items: center;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2.5px solid var(--color-surface);
  margin-left: -10px;
  object-fit: cover;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.avatar:first-child {
  margin-left: 0;
}

.social-proof-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.social-proof-text strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ===== Right: Calculator Section ===== */
.calculator-section {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateX(24px);
  animation: fadeInRight 0.8s var(--transition-base) forwards;
  animation-delay: 0.4s;
  width: 100%;
}

.calculator-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.calc-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--color-accent);
  color: white;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 8px rgba(9, 165, 196, 0.3);
}

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

.calc-header h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.calc-header p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.slider-group {
  margin-bottom: var(--space-xl);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.highlight-value {
  color: var(--color-accent);
  font-size: var(--font-size-lg);
  font-weight: 800;
}

/* Custom Range Slider */
.waka-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
  outline: none;
  margin: var(--space-sm) 0;
}

.waka-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  border: 3px solid white;
  transition: transform 0.1s;
}

.waka-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.slider-marks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.result-group {
  background: var(--color-tag-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.result-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.currency {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

#earnings-value {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1;
}

.calc-footer {
  text-align: center;
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ===== Features Strip ===== */
.features-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  padding: var(--space-xl) var(--space-4xl);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-tag-bg);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.feature-item .feature-icon {
  font-size: 18px;
}

/* ===== Footer ===== */
.footer {
  padding: var(--space-lg) var(--space-4xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
}

.footer-left {
  font-size: var(--font-size-xs);
  color: var(--color-footer-text);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.footer-links a {
  font-size: var(--font-size-xs);
  color: var(--color-footer-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.4);
  }
}

@keyframes floatBadge {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.shake {
  animation: shake 0.4s ease-in-out;
}

/* ===== Loading spinner for button ===== */
.join-btn .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.join-btn.loading .spinner {
  display: block;
}

.join-btn.loading .btn-text,
.join-btn.loading .btn-icon {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Counter animation ===== */
.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
  }

  .navbar {
    padding: var(--space-lg) var(--space-xl);
  }

  .content-section {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .subtitle {
    max-width: 520px;
  }

  .headline {
    font-size: var(--font-size-4xl);
  }

  .illustration-section {
    order: -1;
  }

  .illustration-container {
    max-width: 380px;
  }

  .float-badge--steps {
    right: 0;
  }

  .float-badge--reward {
    left: 0;
  }

  .features-strip {
    padding: var(--space-lg) var(--space-xl);
    gap: var(--space-xl);
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer {
    padding: var(--space-lg) var(--space-xl);
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .social-proof {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .headline {
    font-size: var(--font-size-3xl);
  }

  .feature-bullets {
    justify-content: center;
  }

  .waitlist-form {
    flex-direction: column;
    width: 100%;
  }

  .join-btn {
    width: 100%;
  }

  .nav-links {
    display: none;
  }

  .float-badge {
    display: none;
  }

  .coming-soon {
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
  }

  .social-proof {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}