/* ============================================
   BASE.CSS — Reset, variáveis, estilos globais
   ============================================ */

:root {
  --bg: #020408;
  --surface: #080d14;
  --accent: #00f5c4;
  --accent2: #ff3d6b;
  --accent3: #7b5ea7;
  --text: #e8edf5;
  --muted: #4a5568;
  --border: rgba(0, 245, 196, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 2px;
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
}

/* Cursor customizado */
#cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: screen;
}

#cursor-ring {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0, 245, 196, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s, height 0.3s;
}

/* Canvas de fundo */
#hero-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.6;
}

/* Utilitários */
.section {
  position: relative;
  z-index: 1;
  padding: 7rem 4rem;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 600px;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Botões */
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  padding: 1rem 2.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s;
  display: inline-block;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  transform: translateX(-101%);
  transition: transform 0.3s ease;
  mix-blend-mode: overlay;
}

.btn-primary:hover::after { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 1rem 2.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color 0.3s, color 0.3s;
  display: inline-block;
}

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

/* Animações globais */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

@keyframes rotateRing {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes corePulse {
  0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 1;   transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}