* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: radial-gradient(circle at top right, #131313 0%, #060606 45%, #030303 100%);
  color: #f3f3f3;
  overflow-x: hidden;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.site-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(1px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ff5a0a;
  color: #fff;
  font-weight: 700;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.96rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.login-link {
  color: #e8e8e8;
  text-decoration: none;
  font-size: 0.95rem;
}

.start-btn {
  color: #fff;
  text-decoration: none;
  background: #ff5a0a;
  border: 1px solid #ff5a0a;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.hero {
  padding: 4.25rem 1.5rem 2rem;
  max-width: 31rem;
}

.kicker {
  margin: 0;
  color: #ffffff;
  letter-spacing: 0.14em;
  font-weight: 600;
  font-size: 0.74rem;
}

.hero-title {
  margin: 2rem 0 0;
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: clamp(3rem, 13.2vw, 5.4rem);
  line-height: 0.88;
  letter-spacing: 0.02em;
  color: #f2f2f2;
}

.hero-title span {
  color: #ff5a0a;
}

.hero-subtitle {
  margin: 0;
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: clamp(3rem, 13.2vw, 5.4rem);
  color: #ffffff;
  letter-spacing: 0.02em;
  line-height: 0.88;
}

.hero-description {
  margin: 1.35rem 0 0;
  color: #8a8a8f;
  font-size: 1.02rem;
  line-height: 1.65;
  max-width: 28rem;
}

.social-links {
  margin-top: 2.15rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  color: #ffffff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.social-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.social-link i {
  font-size: 1rem;
}

.stats {
  margin-top: 5.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
}

.stat-item {
  min-width: 0;
}

.stat-value {
  margin: 0;
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  color: #ebebeb;
  font-size: clamp(2.2rem, 10vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.01em;
}

.stat-value span {
  color: #ff5a0a;
}

.stat-label {
  margin: 0.5rem 0 0;
  color: #85858b;
  line-height: 1.35;
  font-size: 0.88rem;
}

@media (min-width: 900px) {
  .topbar {
    padding: 1.1rem 2.2rem;
  }

  .hero {
    padding: 5rem 2.2rem 3.5rem;
  }
}