@import url('https://api.fontshare.com/v2/css?f[]=satoshi@700,500,400,300&display=swap');

:root {
  /* Ultra dark theme inspired by Clarity */
  --bg-dark: #020202;
  --bg-darker: #000000;
  
  --glass-bg: rgba(255, 255, 255, 0.02);
  --glass-bg-hover: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-border-hover: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8);
  
  --text-main: #ffffff;
  --text-muted: #888888;
  --text-subtle: #444444;
  
  /* Layout */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Satoshi', sans-serif;
  background-color: var(--bg-darker);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Background effects */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--bg-darker);
  overflow: hidden;
}

@keyframes morphGlow {
  0% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
  50% { transform: translate(-45%, -55%) scale(1.1) rotate(15deg); }
  100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
}

.ambient-glow {
  position: absolute;
  width: 90vw;
  height: 60vw;
  background: radial-gradient(ellipse, rgba(50, 70, 200, 0.08) 0%, rgba(120, 50, 200, 0.05) 40%, rgba(0,0,0,0) 70%);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  animation: morphGlow 20s ease-in-out infinite;
}

/* Canvas 3D */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}

/* Typography elements */
h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.02em;
}

.title-large {
  display: block;
  font-size: 5.5rem;
  font-weight: 700;
  background: linear-gradient(to bottom right, #FFFFFF 0%, #E8E8E8 40%, #8A8A8A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  /* El hack absoluto para descenders cortados */
  line-height: normal;
  padding-bottom: 30px;
  margin-bottom: -10px;
  letter-spacing: -0.04em;
  filter: drop-shadow(0px 8px 32px rgba(255,255,255,0.12));
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* Premium Components */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Button */
.btn-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  color: white;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.btn-premium::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transition: 0.5s;
}

.btn-premium:hover::before {
  left: 100%;
}

.btn-premium:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255,255,255,0.05);
}

.btn-primary-filled {
  background: white;
  color: black;
  border: none;
}
.btn-primary-filled:hover {
  background: #e5e5e5;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.15);
}

/* Inputs */
.premium-input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: white;
  font-family: 'Satoshi', sans-serif;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.premium-input:focus {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.03);
}

.premium-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}