/* style.css (compartilhado) já define :root, reset e cores de marca.
   Este arquivo cobre só o layout da landing page. */

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Stem', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

a {
  color: inherit;
}

/* Botões/links reaproveitando a paleta de marca — duplicados de admin.css
   de propósito: a landing não depende do stylesheet do painel admin. */
.primary-button,
.primary-link {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.primary-button:hover,
.primary-link:hover {
  background: var(--color-primary-dark);
}

.secondary-button,
.secondary-link {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}

.secondary-button:hover,
.secondary-link:hover {
  background: var(--color-surface-alt);
}

/* Nav ------------------------------------------------------------------- */

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 20, 32, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.landing-nav__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.landing-nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  flex-shrink: 0;
}

.landing-nav__logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.landing-nav__links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.landing-nav__links a:not(.primary-link):not(.secondary-link) {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.landing-nav__links a:not(.primary-link):not(.secondary-link):hover {
  color: var(--color-text);
}

.landing-nav__links .secondary-link,
.landing-nav__links .primary-link {
  padding: 8px 16px;
  font-size: 0.9rem;
}

/* Hero -------------------------------------------------------------------- */

.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
}

.hero__logo {
  height: 48px;
  margin-bottom: 28px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.25;
}

.hero__subtitle {
  margin: 0 0 32px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.hero__cta {
  font-size: 1rem;
  padding: 14px 26px;
}

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

/* Seções genéricas ---------------------------------------------------------- */

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 24px;
}

.section--alt {
  max-width: none;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--alt > * {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.section__title {
  margin: 0 0 12px;
  text-align: center;
  font-size: 1.7rem;
}

.section__subtitle {
  margin: 0 0 40px;
  text-align: center;
  color: var(--color-text-muted);
}

/* Como funciona ------------------------------------------------------------- */

.steps {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.step {
  padding: 28px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

.step code {
  background: var(--color-surface-alt);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* Pra quem é ---------------------------------------------------------------- */

.use-cases {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.use-case h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.use-case p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

/* Planos -------------------------------------------------------------------- */

.plans {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.plan-card--highlight {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.plan-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.plan-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.plan-card__price {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.plan-card__price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.plan-card__price-note {
  margin: -8px 0 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.plan-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.plan-card ul li::before {
  content: '✓ ';
  color: var(--color-primary);
  font-weight: 700;
}

.plan-card .primary-button,
.plan-card .secondary-button {
  text-align: center;
}

/* CTA final + footer ---------------------------------------------------------- */

.cta-final {
  max-width: 640px;
  margin: 0 auto;
  padding: 64px 24px 96px;
  text-align: center;
}

.cta-final h2 {
  margin: 0 0 28px;
  font-size: 1.6rem;
}

.landing-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.landing-footer__logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

@media (max-width: 640px) {
  .landing-nav__links {
    gap: 12px;
  }

  .landing-nav__links a:not(.primary-link):not(.secondary-link) {
    display: none;
  }

  .hero {
    padding: 56px 20px 44px;
  }

  .section {
    padding: 48px 20px;
  }
}