/* ============================================================
   SECTION — PROCESSO / COMO FUNCIONA
   Timeline alternada — 4 etapas, linha central, dots metálicos
   ============================================================ */

/* --- Section base + grid background --- */
#processo {
  background-color: var(--surface-1);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  border-top: none;
  overflow: hidden;
}

/* Fade transition from previous section (surface-0 → transparent) */
#processo::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, var(--surface-0), transparent);
  pointer-events: none;
  z-index: 2;
}

/* --- Header — centered --- */
.processo__header {
  text-align: center;
  margin-bottom: var(--space-16);
  position: relative;
  z-index: 3;
}

.processo__title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tighter);
  margin-bottom: var(--space-4);
}

.processo__subtitle {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-loose);
  color: var(--silver-500);
  max-width: 480px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .processo__subtitle {
    font-size: var(--fs-lg);
  }
}

/* ============================================================
   TIMELINE — mobile-first (line on left, content right)
   ============================================================ */
.processo__timeline {
  position: relative;
  max-width: 880px;
  margin-inline: auto;
  padding-block: var(--space-4);
}

/* Override reveal defaults — keep container visible, just trigger .in */
html.js .processo__timeline.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

/* --- Central line (mobile: left edge) --- */
.processo__line {
  position: absolute;
  left: var(--space-4);
  top: 0;
  bottom: 0;
  width: 1px;
}

.processo__line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--graphite-900),
    var(--silver-500) 50%,
    var(--graphite-900)
  );
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 2s var(--ease-out);
}

.processo__timeline.in .processo__line::after {
  transform: scaleY(1);
}

/* --- Step base (mobile) --- */
.processo__step {
  position: relative;
  padding-left: var(--space-12);
  padding-block: var(--space-8);
}

/* --- Dot on line --- */
.processo__dot {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-pill);
  background: var(--grad-platinum);
  box-shadow: 0 0 16px rgba(216, 216, 216, 0.15);
  transform: translateX(-50%) translateY(-50%) scale(0);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 2;
}

/* Dot outer ring */
.processo__dot::before {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(176, 176, 176, 0.15);
}

.processo__step.in .processo__dot {
  transform: translateX(-50%) translateY(-50%) scale(1);
}

/* --- Step content --- */
.processo__content {
  position: relative;
}

.processo__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--fw-bold);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.processo__step-header {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.processo__step-header svg {
  color: var(--silver-700);
  flex-shrink: 0;
}

.processo__step-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--text-1);
  letter-spacing: var(--tracking-tight);
}

.processo__step-body {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-regular);
  line-height: var(--lh-loose);
  color: var(--silver-500);
  max-width: 340px;
}

/* --- Step stagger delays --- */
html.js .processo__timeline > .processo__step.reveal:nth-child(2) {
  transition-delay: 0ms;
}
html.js .processo__timeline > .processo__step.reveal:nth-child(3) {
  transition-delay: 200ms;
}
html.js .processo__timeline > .processo__step.reveal:nth-child(4) {
  transition-delay: 400ms;
}
html.js .processo__timeline > .processo__step.reveal:nth-child(5) {
  transition-delay: 600ms;
}

/* ============================================================
   DESKTOP — Timeline alternada (>= 768px)
   ============================================================ */
@media (min-width: 768px) {
  .processo__line {
    left: 50%;
    transform: translateX(-50%);
  }

  .processo__dot {
    left: 50%;
  }

  .processo__step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-left: 0;
    padding-block: var(--space-12);
  }

  /* Connector line from content to center dot */
  .processo__step::after {
    content: "";
    position: absolute;
    top: 50%;
    height: 1px;
    background: var(--line-2);
    z-index: 1;
  }

  /* --- Left step — content left, text right-aligned --- */
  .processo__step--left .processo__content {
    grid-column: 1;
    text-align: right;
    padding-right: var(--space-12);
  }

  .processo__step--left::after {
    right: 50%;
    width: var(--space-12);
  }

  .processo__step--left .processo__step-header {
    justify-content: flex-end;
  }

  .processo__step--left .processo__step-body {
    margin-left: auto;
  }

  /* --- Right step — content right, text left-aligned --- */
  .processo__step--right .processo__content {
    grid-column: 2;
    text-align: left;
    padding-left: var(--space-12);
  }

  .processo__step--right::after {
    left: 50%;
    width: var(--space-12);
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .processo__line::after {
    transform: scaleY(1);
    transition: none;
  }

  .processo__dot {
    transform: translateX(-50%) translateY(-50%) scale(1);
    transition: none;
  }
}