:root {
  --bg-color: #020205;
  --accent-purple: #a855f7;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  --accent-lime: #84cc16;
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', 'Inter', system-ui, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Floating Shapes Background */
.floating-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.shape {
  position: absolute;
  background: white;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.1;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-1000px) rotate(720deg); }
}

/* Background Mesh Gradients Animation */
.mesh-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  filter: blur(100px);
  opacity: 0.4;
  animation: drift 15s infinite alternate ease-in-out;
}

@keyframes drift {
  from { transform: scale(1) translate(0, 0); }
  to { transform: scale(1.2) translate(5%, 5%); }
}

.bg-cyan { background: radial-gradient(circle at 20% 30%, var(--accent-cyan), transparent 50%), radial-gradient(circle at 80% 70%, var(--accent-purple), transparent 50%); }
.bg-pink { background: radial-gradient(circle at 30% 20%, var(--accent-pink), transparent 50%), radial-gradient(circle at 70% 80%, #f97316, transparent 50%); }
.bg-lime { background: radial-gradient(circle at 50% 50%, var(--accent-lime), transparent 60%), radial-gradient(circle at 10% 90%, var(--accent-cyan), transparent 40%); }

.scroll-container {
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
}

.scroll-container::-webkit-scrollbar {
  display: none;
}

section {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('assets/hero.png');
  background-size: cover;
  background-position: center;
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #fff, var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeIn 1.5s ease-out;
}

.hero p {
  font-size: 1.5rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  width: 100%;
  max-width: 1200px;
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 24px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.08);
}

.card.cyan:hover { box-shadow: 0 10px 40px rgba(6, 182, 212, 0.3); border-color: var(--accent-cyan); }
.card.pink:hover { box-shadow: 0 10px 40px rgba(236, 72, 153, 0.3); border-color: var(--accent-pink); }
.card.lime:hover { box-shadow: 0 10px 40px rgba(132, 204, 22, 0.3); border-color: var(--accent-lime); }
.card.gold:hover { box-shadow: 0 10px 40px rgba(245, 158, 11, 0.3); border-color: #f59e0b; }

.card h2 {
  font-size: 4rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(to bottom, #fff, #888);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card.cyan h2 { background: linear-gradient(to right, #fff, var(--accent-cyan)); -webkit-background-clip: text; }
.card.pink h2 { background: linear-gradient(to right, #fff, var(--accent-pink)); -webkit-background-clip: text; }
.card.lime h3 { color: var(--accent-lime); }

.card h3 {
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 1rem;
}

.card p {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

/* Interactive Calculator */
.calc-box {
  background: var(--glass-bg);
  backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
  padding: 4rem;
  border-radius: 32px;
  max-width: 600px;
  width: 100%;
  text-align: center;
}

input[type="range"] {
  width: 100%;
  margin: 2rem 0;
  accent-color: var(--accent-color);
}

.result {
  font-size: 2rem;
  font-weight: 700;
  margin-top: 1.5rem;
  min-height: 3rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 1s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll Indicator */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
  40% {transform: translateY(-10px) translateX(-50%);}
  60% {transform: translateY(-5px) translateX(-50%);}
}