/* ============================================
   Growth Solutions — Premium Design System
   Linear · Vercel · OpenAI aesthetic
   ============================================ */

:root {
  --bg: #020817;
  --bg-elevated: #0a0a0c;
  --bg-card: rgba(255, 255, 255, 0.025);
  --bg-glass: rgba(255, 255, 255, 0.04);

  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-dim: rgba(255, 255, 255, 0.45);

  --neon: #00d9ff;
  --purple: #7b61ff;
  --purple-soft: #b8c6ff;

  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --border-glow: rgba(0, 217, 255, 0.22);

  --glow: rgba(0, 217, 255, 0.35);
  --glow-soft: rgba(0, 217, 255, 0.12);
  --glow-purple: rgba(123, 97, 255, 0.25);

  --gradient-brand: linear-gradient(135deg, #7b61ff 0%, #00d9ff 100%);
  --gradient-hero: linear-gradient(
    135deg,
    #ffffff 0%,
    #b8c6ff 32%,
    #7b61ff 62%,
    #00d9ff 100%
  );
  --gradient-title: linear-gradient(
    135deg,
    #ffffff 0%,
    #b8c6ff 28%,
    #7b61ff 58%,
    #00d9ff 100%
  );
  --gradient-btn: linear-gradient(135deg, #7b61ff 0%, #5b8dff 45%, #00d9ff 100%);

  --font: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-display: "Neue Haas Grotesk Display Pro", "Helvetica Now Display", "Neue Montreal", "SF Pro Display", -apple-system, var(--font);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-cine: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-slow: 0.7s;

  --max: 1180px;
  --nav-h: 84px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* legacy aliases */
  --violet: var(--purple);
  --violet-light: var(--purple-soft);
  --cyan: var(--neon);
  --neon-cyan: var(--neon);
  --gradient-text: var(--gradient-hero);
}

/* ---- Ambiente cinematográfico ---- */
.ambient-vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 75% 65% at 50% 45%,
    transparent 35%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

.ambient-light {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  animation: ambientDrift 28s ease-in-out infinite;
}

.ambient-light--purple {
  width: min(680px, 80vw);
  height: min(680px, 80vw);
  top: -18%;
  right: -12%;
  background: rgba(123, 97, 255, 0.14);
}

.ambient-light--cyan {
  width: min(560px, 70vw);
  height: min(560px, 70vw);
  bottom: -15%;
  left: -10%;
  background: rgba(0, 217, 255, 0.1);
  animation-delay: -14s;
}

@keyframes ambientDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 15px) scale(1.04); }
}

.bg-mesh {
  background:
    radial-gradient(ellipse 90% 55% at 50% -5%, rgba(123, 97, 255, 0.09), transparent 50%),
    radial-gradient(ellipse 60% 45% at 85% 25%, rgba(0, 217, 255, 0.06), transparent 45%),
    radial-gradient(ellipse 50% 40% at 8% 70%, rgba(123, 97, 255, 0.05), transparent 45%);
}

.bg-noise {
  opacity: 0.028;
}

.bg-dots {
  opacity: 0.25;
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
}

.bg-orb { opacity: 0.35; filter: blur(100px); }
.bg-orb--1 { background: rgba(123, 97, 255, 0.12); }
.bg-orb--2 { background: rgba(0, 217, 255, 0.08); }
.bg-orb--3 { background: rgba(123, 97, 255, 0.06); }

#particles-bg { opacity: 1; }
#particles-canvas { display: none; }

.cursor-glow {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.06), transparent 68%);
}

.section-eyebrow::before {
  background: linear-gradient(90deg, var(--purple), var(--neon));
  height: 1px;
  width: 24px;
}

/* ---- Navbar ---- */
.nav-pill {
  background: rgba(5, 5, 5, 0.55);
  border-color: var(--border);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav-pill::before {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12),
    transparent 40%,
    rgba(0, 217, 255, 0.08)
  );
  opacity: 0.5;
}

.nav-pill.scrolled {
  background: rgba(5, 5, 5, 0.82);
  border-color: rgba(255, 255, 255, 0.1);
}

.nav-links a:not(.btn) {
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.nav-links a:not(.btn):hover {
  color: var(--text);
}

/* ---- Botões ultra premium ---- */
.btn {
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: -0.02em;
  transition:
    transform var(--duration-slow) var(--ease-cine),
    box-shadow var(--duration-slow) var(--ease-cine),
    border-color var(--duration-slow) var(--ease-cine),
    background var(--duration-slow) var(--ease-cine);
}

.btn-primary {
  background: var(--gradient-btn);
  color: #050505;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.2) inset,
    0 8px 32px rgba(0, 217, 255, 0.2),
    0 0 0 1px rgba(0, 217, 255, 0.1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 12px 40px rgba(0, 217, 255, 0.28),
    0 0 48px rgba(123, 97, 255, 0.15);
  color: #050505;
}

.btn-ghost,
.btn-neon {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.btn-ghost:hover,
.btn-neon:hover {
  background: rgba(0, 217, 255, 0.04);
  border-color: rgba(0, 217, 255, 0.35);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 24px var(--glow-soft),
    inset 0 0 20px rgba(0, 217, 255, 0.03);
  color: var(--text);
}

.btn-gradient {
  background: var(--gradient-btn);
  box-shadow: 0 8px 32px rgba(123, 97, 255, 0.25);
}

.btn-shine::after,
.btn-primary .btn-glow-run,
.btn-neon .btn-glow-run {
  animation-duration: 4s;
  opacity: 0.6;
}

/* ---- Cards glass premium ---- */
.card,
.glass-card,
.card-premium {
  position: relative;
}

.step,
.testimonial,
.stat-block,
.contact-card-premium,
.step,
.testimonial,
.stat-block,
.contact-card-premium {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    0 8px 32px rgba(0, 0, 0, 0.35);
}

.card::before,
.card-premium::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.1),
    transparent 40%,
    rgba(0, 217, 255, 0.05)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
}

.card-premium { position: relative; overflow: hidden; }

.card-premium:hover,
.card:hover {
  transform: translateY(-4px) !important;
  border-color: var(--border-glow) !important;
  box-shadow:
    0 0 0 1px rgba(0, 217, 255, 0.06) inset,
    0 20px 48px rgba(0, 0, 0, 0.45),
    0 0 32px var(--glow-soft) !important;
}

.card-icon {
  background: rgba(123, 97, 255, 0.08);
  border: 1px solid rgba(123, 97, 255, 0.18);
  color: var(--purple-soft);
}

.card h3,
.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
}

.card-num {
  color: rgba(255, 255, 255, 0.04);
}

/* ---- Seções: espaçamento luxuoso ---- */
section {
  padding: 7.5rem 0;
}

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

.container {
  max-width: var(--max);
  padding: 0 1.75rem;
}

/* Stats */
.stat-num {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  filter: none;
}

.stats-bar,
.stats-bar--premium {
  background: var(--bg-glass);
  border-color: var(--border);
}

/* Testimonials */
.testimonial--featured {
  border-color: rgba(123, 97, 255, 0.2);
  background: linear-gradient(
    160deg,
    rgba(123, 97, 255, 0.06),
    rgba(0, 217, 255, 0.02)
  );
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

/* CTA */
.cta-panel {
  border-color: rgba(123, 97, 255, 0.15);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(123, 97, 255, 0.1), transparent 55%),
    var(--bg-glass);
}

/* Marquee */
.marquee-pill {
  border-color: var(--border);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.marquee-pill-dot {
  background: var(--gradient-brand);
  box-shadow: 0 0 8px var(--glow-soft);
}

.integration-chip:hover {
  border-color: var(--border-glow);
  color: var(--text);
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.35);
  border-color: var(--border);
}

a { color: var(--purple-soft); }
a:hover { color: var(--neon); }

/* Loader */
.loader { background: var(--bg); }
.loader-bar-fill { background: var(--gradient-btn); }
.loader-percent { color: var(--purple-soft); }