:root {
  --bg-deep: #0a0e17;
  --bg-card: #111827;
  --bg-elevated: #1a2332;
  --accent: #3b82f6;
  --accent-bright: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --font: "Outfit", system-ui, sans-serif;
  --header-h: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(99, 102, 241, 0.08), transparent);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  overflow: visible;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand__logo {
  height: 72px;
  width: auto;
  max-width: none;
  transform: scale(1.5);
  transform-origin: left center;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  /* reserva largura visual da logo ampliada sem aumentar o header */
  margin-right: 2.5rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--text);
}

.nav__cta {
  padding: 0.5rem 1.1rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
}

.nav__cta:hover {
  background: var(--accent-bright);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn__icon {
  width: 1.25rem;
  height: 1.25rem;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

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

.btn--ghost:hover {
  border-color: var(--text-muted);
  background: var(--bg-elevated);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero */
.hero {
  padding: 3rem 0 5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero__title span {
  background: linear-gradient(90deg, var(--accent-bright), #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__text {
  margin: 0 0 2rem;
  color: var(--text-muted);
  max-width: 32ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hero__note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero__visual {
  position: relative;
}

.hero__visual-glow {
  position: absolute;
  inset: 10% -5%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero__image {
  position: relative;
  border-radius: var(--radius-lg);
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 0 1px var(--border);
}

/* Sections */
.section-title {
  margin: 0 0 2.5rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  text-align: center;
}

.features {
  padding: 4rem 0;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-4px);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Steps */
.steps {
  padding: 4rem 0;
  background: var(--bg-card);
  border-block: 1px solid var(--border);
}

.steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.steps__list li {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.steps__num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #2563eb);
  border-radius: 50%;
  font-size: 1rem;
}

.steps__list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.steps__list p {
  margin: 0;
  color: var(--text-muted);
}

/* CTA */
.cta {
  padding: 5rem 0;
}

.cta__inner {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.cta__logo {
  margin: 0 auto 1.5rem;
  opacity: 0.95;
}

.cta__inner h2 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
}

.cta__inner p {
  margin: 0 0 2rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer__logo {
  height: 36px;
  width: auto;
  opacity: 0.9;
}

.footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__text {
    max-width: none;
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
    max-width: 520px;
    margin-inline: auto;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  :root {
    --header-h: 80px;
  }

  .brand__logo {
    height: 56px;
    transform: scale(1.4);
  }

  .brand {
    margin-right: 1.5rem;
  }

  .nav a:not(.nav__cta) {
    display: none;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }
}