/* ==========================================================================
   BotFriends — Landing page
   Estilos específicos das seções da home. Páginas futuras não precisam
   carregar este arquivo.
   ========================================================================== */

/* =============================================================== 1. HERO */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 5.5rem));
  padding-bottom: clamp(3.5rem, 8vw, 6.5rem);
  isolation: isolate;
}

/* Brilho de marca — dois focos suaves, contidos apenas no hero */
/* `inset` horizontal em 0: nada pode ultrapassar a viewport e criar scroll. */
.hero::before {
  content: "";
  position: absolute;
  inset: -20% 0 auto 0;
  height: 125%;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(
      50rem 30rem at 16% 12%,
      rgba(88, 101, 242, 0.26),
      transparent 63%
    ),
    radial-gradient(
      36rem 25rem at 90% 22%,
      rgba(124, 131, 255, 0.15),
      transparent 62%
    );
}

/* Malha técnica de pontos, esmaecida nas bordas */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.055) 1px,
    transparent 1px
  );
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(
    75% 62% at 50% 0%,
    #000 0%,
    transparent 100%
  );
  mask-image: radial-gradient(75% 62% at 50% 0%, #000 0%, transparent 100%);
}

.hero__grid {
  display: grid;
  gap: clamp(3rem, 6vw, 4.5rem);
  align-items: center;
}

@media (min-width: 1040px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    gap: 4rem;
  }
}

.hero__copy .pill {
  margin-bottom: var(--s-5);
}

.hero h1 {
  margin-bottom: var(--s-5);
}

.hero__sub {
  max-width: 34rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(2rem, 4vw, 2.5rem);
}

@media (max-width: 400px) {
  .hero__cta .btn {
    width: 100%;
  }
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.35rem;
  margin-top: var(--s-6);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.hero__facts li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero__facts svg {
  color: var(--brand-400);
}

/* Janela do hero: leve inclinação apenas em telas largas */
.hero__window {
  position: relative;
}

@media (min-width: 1040px) {
  .hero__window {
    transform: perspective(1600px) rotateY(-3.2deg) rotateX(1.4deg);
    transition: transform var(--dur-slow) var(--ease);
  }
  .hero__window:hover {
    transform: perspective(1600px) rotateY(-1.2deg) rotateX(0.5deg);
  }
}

/* ============================================================== 2. TRUST */
.trust {
  border-block: 1px solid var(--border);
  background-color: rgba(255, 255, 255, 0.014);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 1.5rem;
  padding-block: clamp(2rem, 4vw, 2.75rem);
}

@media (min-width: 860px) {
  .trust__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2rem;
  }
}

.trust__item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.trust__icon {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  flex: none;
  border-radius: var(--r-sm);
  background-color: var(--brand-tint-10);
  color: var(--brand-400);
}

.trust__item h3 {
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.trust__item p {
  margin-top: 0.15rem;
  font-size: var(--fs-xs);
  line-height: 1.45;
  color: var(--text-subtle);
}

/* ========================================================= 3. COMO FUNCIONA */
.flow-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--s-5);
}

.flow-chips li {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background-color: rgba(255, 255, 255, 0.025);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text);
}

.flow-chips li:last-child {
  border-color: var(--brand-tint-28);
  background-color: var(--brand-tint-10);
  color: var(--brand-300);
}

.flow-chips .flow-chips__arrow {
  padding: 0;
  border: 0;
  background: none;
  color: var(--text-subtle);
}

.steps {
  --steps-gap: 2.25rem;
  --steps-node: 2.125rem;
  position: relative;
  display: grid;
  gap: var(--steps-gap);
}

.step {
  position: relative;
  padding-left: 3.25rem;
}

/* Linha tracejada saindo de cada etapa em direção à próxima.
   Ancorada no próprio item para acompanhar o grid em qualquer breakpoint. */
.step::after {
  content: "";
  position: absolute;
  left: calc(var(--steps-node) / 2);
  top: calc(var(--steps-node) - 0.15rem);
  bottom: calc(-1 * var(--steps-gap));
  border-left: 1px dashed var(--border-strong);
}

.step:last-child::after {
  content: none;
}

.step__num {
  position: absolute;
  left: 0;
  top: -0.15rem;
  display: grid;
  place-items: center;
  width: 2.125rem;
  height: 2.125rem;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background-color: var(--bg);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--brand-300);
}

.step h3 {
  margin-bottom: 0.4rem;
}

.step p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  max-width: 26rem;
}

@media (min-width: 820px) {
  .steps {
    --steps-gap: 2.5rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .step {
    padding-left: 0;
    padding-top: 3.25rem;
  }
  .step__num {
    top: 0;
    left: 0;
  }
  /* No desktop a linha vira horizontal, do nó atual até o próximo */
  .step::after {
    left: calc(var(--steps-node) + 0.6rem);
    right: calc(-1 * var(--steps-gap));
    top: calc(var(--steps-node) / 2);
    bottom: auto;
    border-left: 0;
    border-top: 1px dashed var(--border-strong);
  }
  .step p {
    max-width: 22rem;
  }
}

/* ========================================================== 4. RECURSOS */
/* Matriz de hairlines: o "gap" pintado com a cor da borda cria as divisórias,
   evitando o excesso de cards soltos com sombra. */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

@media (min-width: 620px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.feature {
  position: relative;
  padding: 1.75rem 1.5rem;
  background-color: var(--bg);
  transition: background-color var(--dur) var(--ease);
}

.feature:hover {
  background-color: var(--surface);
}

.feature__icon {
  display: block;
  color: var(--brand-400);
  margin-bottom: 1.15rem;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.feature:hover .feature__icon {
  color: var(--brand-300);
  transform: translateY(-2px);
}

.feature h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.feature p {
  font-size: var(--fs-sm);
  line-height: 1.55;
  color: var(--text-muted);
}

/* A tag "Em breve" só aparece quando data-status="soon" (ver site-config.js) */
.feature .tag--soon {
  display: none;
}

.feature[data-status="soon"] .tag--soon {
  display: inline-block;
}

/* =========================================================== 5. PREÇOS */
.plans {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .plans {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.85rem 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background-color: var(--surface);
  transition: transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.plan:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

/* Plano em destaque */
.plan--featured {
  border-color: var(--border-brand);
  background-image: linear-gradient(
    180deg,
    var(--brand-tint-10),
    transparent 42%
  );
  box-shadow: var(--shadow-brand);
}

.plan--featured::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(124, 131, 255, 0.8),
    transparent
  );
}

.plan--featured:hover {
  border-color: var(--brand-400);
}

@media (min-width: 900px) {
  .plan--featured {
    transform: translateY(-10px);
  }
  .plan--featured:hover {
    transform: translateY(-13px);
  }
}

.plan__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  min-height: 1.5rem;
}

.plan__name {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text);
}

.plan--featured .plan__name {
  color: var(--brand-300);
}

.plan__desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  min-height: 2.9rem;
}

.plan__price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 1.35rem 0 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.03em;
}

.plan__currency {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  transform: translateY(-0.6rem);
}

.plan__value {
  font-size: clamp(2.2rem, 1.6rem + 1.6vw, 2.75rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.plan__period {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-subtle);
}

.plan__list {
  display: grid;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.plan__list li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  line-height: 1.5;
}

.plan__list svg {
  margin-top: 0.28rem;
  color: var(--brand-400);
}

.plan__list .plan__list-head {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.plan .btn {
  margin-top: 0.25rem;
}

.plan__list + .plan-note {
  margin-top: auto;
}

.pricing-note {
  margin-top: var(--s-6);
  padding: 0.9rem 1.1rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-subtle);
  text-align: center;
}

/* ====================================================== 6. DESENVOLVEDOR */
.dev {
  background-color: var(--bg-raised);
  border-block: 1px solid var(--border);
}

.dev__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 940px) {
  .dev__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 3.5rem;
  }
}

.pipeline {
  display: grid;
  gap: 0;
}

.pipeline__node {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background-color: var(--surface);
}

.pipeline__node--end {
  border-color: var(--brand-tint-28);
  background-image: linear-gradient(
    90deg,
    var(--brand-tint-10),
    transparent 70%
  );
}

.pipeline__icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex: none;
  border-radius: var(--r-xs);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.pipeline__node--end .pipeline__icon {
  background-color: var(--brand-tint-16);
  color: var(--brand-300);
}

.pipeline__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.pipeline__meta {
  display: block;
  margin-top: 0.1rem;
  font-size: var(--fs-xs);
  color: var(--text-subtle);
  line-height: 1.4;
}

/* Conector vertical entre os nós, alinhado ao centro dos ícones (2rem) */
.pipeline__link {
  position: relative;
  display: flex;
  align-items: center;
  height: 1.75rem;
  margin-left: 2rem;
  color: var(--text-subtle);
}

.pipeline__link::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--border-strong),
    var(--brand-tint-28)
  );
}

.pipeline__link svg {
  position: relative;
  transform: translateX(-50%);
  padding-block: 2px;
  background-color: var(--bg-raised);
}

.runtimes {
  margin-top: clamp(2.5rem, 5vw, 3.25rem);
  padding-top: var(--s-6);
  border-top: 1px solid var(--border);
}

.runtimes h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.runtimes__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--s-4);
}

.runtimes__list li {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background-color: rgba(255, 255, 255, 0.025);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text);
}

.runtimes p {
  margin-top: var(--s-4);
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-subtle);
  max-width: 44rem;
}

/* ============================================================== 7. FAQ */
.faq {
  max-width: 46rem;
  margin-inline: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background-color: rgba(255, 255, 255, 0.014);
  overflow: hidden;
}

.faq__item + .faq__item {
  border-top: 1px solid var(--border);
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.faq__q::-webkit-details-marker {
  display: none;
}

.faq__q:hover {
  background-color: rgba(255, 255, 255, 0.028);
}

.faq__q:focus-visible {
  box-shadow: var(--focus-ring);
  border-radius: 0;
}

.faq__chevron {
  flex: none;
  color: var(--text-subtle);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.faq__item[open] .faq__q {
  color: var(--text);
}

.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
  color: var(--brand-400);
}

.faq__a {
  padding: 0 3.5rem 1.35rem 1.35rem;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--text-muted);
}

@media (min-width: 620px) {
  .faq__q {
    padding: 1.25rem 1.6rem;
    font-size: 1rem;
  }
  .faq__a {
    padding: 0 4rem 1.5rem 1.6rem;
  }
}

/* Animação nativa de abertura onde houver suporte (progressive enhancement) */
@supports (interpolate-size: allow-keywords) {
  :root {
    interpolate-size: allow-keywords;
  }
  .faq__item::details-content {
    block-size: 0;
    overflow: hidden;
    opacity: 0;
    transition: content-visibility var(--dur) allow-discrete,
      opacity var(--dur) var(--ease), block-size var(--dur) var(--ease);
  }
  .faq__item[open]::details-content {
    block-size: auto;
    opacity: 1;
  }
}

.faq-more {
  margin-top: var(--s-6);
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.faq-more a {
  color: var(--brand-300);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--brand-tint-55);
}

.faq-more a:hover {
  text-decoration-color: currentColor;
}

/* ========================================================= 8. CTA FINAL */
.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(2.75rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--border-brand);
  border-radius: clamp(var(--r-lg), 3vw, 28px);
  background-color: var(--surface);
  /* Gradiente muito sutil entre as duas cores da marca */
  background-image: linear-gradient(
    135deg,
    rgba(88, 101, 242, 0.2) 0%,
    rgba(124, 131, 255, 0.09) 48%,
    rgba(17, 25, 54, 0) 82%
  );
  text-align: center;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.07) 1px,
    transparent 1px
  );
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(60% 80% at 50% 0%, #000, transparent);
  mask-image: radial-gradient(60% 80% at 50% 0%, #000, transparent);
}

.cta-panel > * {
  position: relative;
}

.cta-panel .lead {
  max-width: 34rem;
  margin: var(--s-4) auto 0;
  color: rgba(248, 250, 255, 0.78);
}

.cta-panel .btn {
  margin-top: clamp(1.75rem, 4vw, 2.25rem);
}

.cta-panel__fine {
  margin-top: var(--s-4);
  font-size: var(--fs-xs);
  color: rgba(248, 250, 255, 0.55);
}