/* ─────────────────────────────────────────────
   BASE.CSS — Reset · Tokens · Body · Utilities
   ───────────────────────────────────────────── */

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

/* ── DESIGN TOKENS ── */
:root {
  --bg-dark:      #070709;
  --bg-card:      #0f0f13;
  --text-primary: #ffffff;
  --text-muted:   #8e8e9f;
  --accent:       #ff003c;
  --border:       rgba(255, 255, 255, 0.08);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
}

/* ── ROOT ── */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SHARED SECTION LAYOUT ── */
section {
  padding: 120px 24px;
  border-bottom: 1px solid var(--border);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1px;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.section-body {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ── BUTTON SYSTEM ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: transform 0.2s, background-color 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #e60036;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── RESPONSIVE UTILITIES ── */
@media (max-width: 768px) {
  section {
    padding: 72px 20px;
  }
}

@media (max-width: 480px) {
  section {
    padding: 56px 16px;
  }
}

/* ── KEYFRAMES ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px) translateX(0px); }
  50%       { transform: translateY(-20px) translateX(10px); }
}

@keyframes rotate3d {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}