/* ══════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════ */

html, body {
  background: var(--preto);
  font-family: var(--font);
  overflow-x: clip;
  color: var(--branco);
}

/* ── Noise texture ── */
.noise {
  position: fixed;
  inset: 0;
  z-index: var(--z-noise);
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ── Hero wrapper ── */
.hero {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* ── Grid background ── */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(65,201,166,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(65,201,166,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

/* ── Glow ── */
.glow {
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(74,28,147,0.5) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%,-50%) scale(1); }
  50%       { opacity: 1;   transform: translate(-50%,-50%) scale(1.08); }
}

/* ── Particles ── */
.particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0%   { transform: translateY(0) scale(1);        opacity: 0; }
  10%  { opacity: 0.5; }
  90%  { opacity: 0.15; }
  100% { transform: translateY(-100vh) scale(0.3); opacity: 0; }
}

/* ── Horizontal lines ── */
.h-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(65,201,166,0.15), transparent);
  z-index: 1;
}
.h-line.top    { top: 18%;    width: 60%; left: 20%; }
.h-line.bottom { bottom: 18%; width: 40%; left: 30%; }

/* ── Nav ── */
nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  opacity: 0;
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo .mini-bars { display: flex; align-items: flex-end; gap: 3px; height: 22px; }
.nav-logo .mini-bar  { width: 4px; border-radius: 999px; background: var(--menta); }
.nav-logo .logo-name { font-size: 1.1rem; font-weight: 700; color: var(--branco); }

.nav-links { display: flex; gap: 36px; }
.nav-links a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color 0.3s ease;
}
.nav-links a:hover { color: var(--menta); }
.nav-links .cta-nav {
  color: var(--menta);
  border: 1px solid rgba(65,201,166,0.3);
  padding: 6px 16px;
  border-radius: 999px;
  text-transform: none;
  font-size: 0.88rem;
}
.nav-links .cta-nav:hover { background: rgba(65,201,166,0.08); }

/* ── Hero content ── */
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: var(--z-hero);
}

/* ── Eyebrow ── */
.eyebrow {
  position: relative;
  z-index: 2;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--amarelo);
  margin-bottom: 20px;
  opacity: 0;
  text-align: center;
}

/* ── Headline ── */
.headline-wrap { position: relative; z-index: 2; text-align: center; margin-bottom: 20px; }

.headline-top {
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  line-height: 1.15;
  opacity: 0;
  margin-bottom: 10px;
}
.headline-main {
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  font-weight: 700;
  color: var(--branco);
  line-height: 1.05;
  opacity: 0;
}
.headline-main .accent { color: var(--menta); display: inline-block; }

/* ── Sub ── */
.sub {
  position: relative;
  z-index: 2;
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  text-align: center;
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 44px;
  opacity: 0;
}

/* ── Equalizador ── */
.eq-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 80px;
  margin-bottom: 44px;
  opacity: 0;
}
.eq-bar {
  width: 6px;
  border-radius: 999px;
  background: linear-gradient(to top, var(--roxo), var(--menta));
  cursor: pointer;
  transition: background 0.3s ease;
}
.eq-bar:hover { background: linear-gradient(to top, var(--menta), var(--amarelo)); }

/* ── CTAs ── */
.cta-group { position: relative; z-index: 2; display: flex; gap: 20px; opacity: 0; }

.btn-primary {
  padding: 16px 40px;
  background: var(--menta);
  color: var(--preto);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--amarelo);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
  z-index: 0;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(65,201,166,0.3); }
.btn-primary span { position: relative; z-index: 1; }

.btn-ghost {
  padding: 16px 40px;
  background: transparent;
  color: var(--branco);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  transition: border-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}
.btn-ghost:hover { border-color: var(--menta); color: var(--menta); transform: translateY(-2px); }

/* ── Scroll hint — seta dupla animada ── */
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}
.scroll-arrow {
  width: 26px;
  height: 34px;
  color: rgba(65, 201, 166, 0.55);
  overflow: visible;
}
.arrow-a {
  animation: arrowDrop 2s ease-in-out infinite;
}
.arrow-b {
  animation: arrowDrop 2s ease-in-out infinite 0.25s;
}
@keyframes arrowDrop {
  0%   { opacity: 0.2; transform: translateY(-3px); }
  50%  { opacity: 0.9; transform: translateY(3px); }
  100% { opacity: 0.2; transform: translateY(-3px); }
}
