/* ====== RESET & GLOBAL VARIABLES ====== */
:root {
  --font-primary: 'Inter', sans-serif;
  --font-main: var(--font-primary);
  --font-display: 'Oswald', sans-serif;
  
  --color-dark: #0a0a0a;
  --color-light: #f7f7f7;
  --color-accent: #ff3333; /* Bolder usually has red aesthetic */
  --color-ai: #00e5ff; /* AI Neon aesthetic */
  
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body, html {
  max-width: 100vw;
  min-height: 100vh;
  font-family: var(--font-primary);
  background-color: var(--color-dark);
  color: var(--color-light);
}

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

ul {
  list-style: none;
}

/* Typography Utilities */
.text-display {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 8rem);
  text-transform: uppercase;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-sub {
  font-size: clamp(1rem, 2vw, 1.5rem);
  opacity: 0.8;
  font-weight: 300;
  max-width: 600px;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border: 1px solid var(--color-light);
  border-radius: 50px;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  transition: var(--transition-smooth);
  cursor: pointer;
  background: transparent;
  color: var(--color-light);
}

.btn:hover {
  background: var(--color-light);
  color: var(--color-dark);
}

/* Loading Screen */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-dark);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.loader h1 {
  font-family: var(--font-display);
  font-size: 4rem;
  letter-spacing: -2px;
}

.loader-progress {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.2);
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}

.loader-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--color-light);
}

/* ====== FOOTER ====== */
.bolder-footer {
  width: 100%;
  padding: 4rem 1rem;
  text-align: center;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.25);
  font-family: var(--font-display); 
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: transparent;
  margin-top: auto;
}
.bolder-footer strong {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
}

/* PREMIUM BILLING UI */
.billing-glass-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

/* Custom Range Slider */
.bolder-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 5px;
  outline: none;
  margin: 2rem 0;
}

.bolder-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #ffdd00;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(255,221,0,0.5);
  transition: transform 0.2s;
}

.payment-method-tabs {
  display: flex;
  gap: 10px;
  background: rgba(0,0,0,0.3);
  padding: 5px;
  border-radius: 10px;
  margin-bottom: 2rem;
}

.payment-tab {
  flex: 1;
  padding: 15px;
  text-align: center;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255,255,255,0.05);
  background: rgba(255,255,255,0.02);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.3);
}

.payment-tab:hover {
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.6);
}

.payment-tab.active {
  background: rgba(0,229,255,0.05);
  border-color: rgba(0,229,255,0.4);
  color: #00e5ff;
  box-shadow: 0 0 20px rgba(0,229,255,0.1);
}

.payment-tab i {
  font-size: 1.2rem;
  margin-bottom: 2px;
}