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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent), #7b61ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.label-line {
  width: 32px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
  border-radius: 1px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 560px;
  margin-top: 0.8rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-label { justify-content: center; }
.section-header .section-sub { margin: 0.8rem auto 0; }

.section-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-card {
  opacity: 0;
  transform: translateY(60px) scale(0.97);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-card.visible {
  opacity: 1;
  transform: none;
}