/* Copied from rustlang.com.br /curso/ and recolored for Zig. */

.zig-immersive {
  --forge-base: #101418;
  --forge-surface: #171B1F;
  --forge-elevated: #1F252B;
  --forge-deep: #0B0F12;
  --forge-text: #F6EDDC;
  --forge-secondary: #D7CCBB;
  --forge-muted: #A69B8D;
  --forge-heading: #FFF1D6;
  --forge-oxide: #F7A41D;
  --forge-ember: #FFB331;
  --forge-line: rgba(247, 164, 29, 0.2);
  --forge-line-strong: rgba(247, 164, 29, 0.42);
  background: var(--forge-base);
  color: var(--forge-text);
  isolation: isolate;
  min-width: 0;
  overflow: clip;
  position: relative;
}

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

.zig-immersive a:focus-visible {
  border-radius: 6px;
  box-shadow: 0 0 0 3px rgba(255, 179, 49, 0.45);
  outline: 2px solid #0B0F12;
  outline-offset: 3px;
}

.zig-world {
  background: #101418;
  height: 100svh;
  inset: 0;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
  transition: opacity 420ms cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
  z-index: 0;
}

.zig-world--hero {
  border-radius: 14px;
  height: 100%;
  position: absolute;
}

.zig-world-fallback {
  filter: saturate(0.94) brightness(0.72) contrast(1.06);
  object-fit: cover;
  object-position: 62% center;
  opacity: 1;
  transform: scale(1.02);
  transition: opacity 600ms ease, filter 300ms ease;
}

.zig-world-shade {
  background:
    linear-gradient(90deg, rgba(11, 15, 18, 0.95) 0%, rgba(11, 15, 18, 0.76) 37%, rgba(11, 15, 18, 0.18) 69%, rgba(11, 15, 18, 0.52) 100%),
    linear-gradient(180deg, rgba(11, 15, 18, 0.5), transparent 32%, rgba(11, 15, 18, 0.68));
  z-index: 2;
}

.zig-chapter-mark {
  align-items: center;
  color: var(--forge-secondary);
  display: flex;
  font-size: 0.68rem;
  font-weight: 600;
  gap: 10px;
  letter-spacing: 0.12em;
  margin: 0 0 20px;
  text-transform: uppercase;
}

.zig-chapter-mark span {
  color: var(--forge-ember);
  font-variant-numeric: tabular-nums;
}

.zig-chapter-mark i {
  background: rgba(247, 164, 29, 0.5);
  display: block;
  height: 1px;
  width: 38px;
}

.zig-chapter-mark b {
  font-weight: 600;
}

.zig-immersive .zig-hero-lede {
  color: #E4D9C8;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.65;
  margin: 0;
  max-width: 58ch;
  text-shadow: 0 2px 22px rgba(11, 15, 18, 0.85);
}

.zig-hero-cta {
  align-items: center;
  background: linear-gradient(135deg, var(--forge-oxide), #FFB331);
  border: 1px solid rgba(255, 210, 140, 0.5);
  border-radius: 999px;
  box-shadow: 0 5px 22px rgba(247, 164, 29, 0.3);
  color: #17130A;
  display: inline-flex;
  font-size: 0.96rem;
  font-weight: 600;
  gap: 8px;
  justify-content: center;
  min-height: 52px;
  padding: 12px 26px;
  text-decoration: none;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.zig-hero-cta:hover {
  box-shadow: 0 8px 28px rgba(247, 164, 29, 0.44);
  color: #17130A;
  transform: translateY(-1px);
}

.zig-chapter-heading {
  align-items: center;
  display: grid;
  gap: 18px;
  grid-template-columns: auto minmax(80px, 1fr) minmax(280px, 0.82fr);
}

.zig-chapter-heading > p {
  align-items: baseline;
  color: var(--forge-muted);
  display: flex;
  font-size: 0.7rem;
  font-weight: 600;
  gap: 10px;
  letter-spacing: 0.1em;
  margin: 0;
  text-transform: uppercase;
}

.zig-chapter-heading > p span {
  color: var(--forge-ember);
  font-family: var(--font-display);
  font-size: 2rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.zig-chapter-heading > p b {
  font-weight: 600;
}

.zig-chapter-heading > i {
  background: var(--forge-line);
  display: block;
  height: 1px;
}

.zig-chapter-heading h2 {
  color: var(--forge-heading);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

.zig-immersive .zig-section-kicker {
  color: var(--forge-ember);
  font-family: var(--font-sans, inherit);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.zig-immersive .zig-section-subtitle {
  color: var(--forge-secondary);
  font-size: clamp(0.95rem, 1.3vw, 1.08rem);
  line-height: 1.6;
  margin: 0;
  max-width: 66ch;
}

.zig-final-list {
  color: var(--forge-secondary);
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  line-height: 1.55;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.zig-final-list li {
  align-items: baseline;
  display: flex;
  gap: 10px;
}

.zig-final-list li::before {
  color: var(--forge-ember);
  content: "→";
  flex-shrink: 0;
}

@media (max-width: 980px) {
  .zig-chapter-heading h2 {
    grid-column: 1 / -1;
    max-width: 20ch;
  }
}

@media (max-width: 760px) {
  .zig-world-fallback {
    object-position: 58% center;
  }
  .zig-world-shade {
    background:
      linear-gradient(180deg, rgba(11, 15, 18, 0.56), rgba(11, 15, 18, 0.12) 42%, rgba(11, 15, 18, 0.9)),
      linear-gradient(90deg, rgba(11, 15, 18, 0.9), rgba(11, 15, 18, 0.28));
  }
  .zig-chapter-heading {
    gap: 12px;
  }
  .zig-chapter-heading > p span {
    font-size: 1.65rem;
  }
}

@media (max-width: 560px) {
  .zig-immersive .container {
    padding-inline: 16px;
  }
  .zig-chapter-mark {
    margin-bottom: 14px;
  }
  .zig-immersive .zig-hero-lede {
    font-size: 0.94rem;
    line-height: 1.52;
  }
  .zig-chapter-heading h2 {
    font-size: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .zig-immersive *,
  .zig-immersive *::before,
  .zig-immersive *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* /curso/ presale landing — extends the zig-immersive forge system. */

.curso-landing {
  background: var(--forge-base);
}

.curso-hero {
  min-height: min(88svh, 860px);
  overflow: hidden;
  padding: clamp(48px, 8vh, 96px) 0;
  position: relative;
}

.curso-hero .zig-world--hero {
  border-radius: 0;
  inset: 0;
  position: absolute;
  z-index: 0;
}

.curso-hero-inner {
  position: relative;
  z-index: 3;
}

.curso-hero-copy {
  max-width: 680px;
}

.curso-landing .curso-hero-copy h1 {
  color: var(--forge-heading);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.6vw, 3.9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.04;
  margin: 0 0 20px;
  text-wrap: balance;
}

.curso-price-block {
  border-left: 2px solid var(--forge-ember);
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 28px 0;
  padding-left: 16px;
}

.curso-price-block > span {
  color: var(--forge-ember);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.curso-price-block strong {
  color: var(--forge-heading);
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.curso-price-block small {
  color: var(--forge-secondary);
  font-size: 0.82rem;
}

.curso-hero-cta {
  font-size: 1.02rem;
  min-height: 56px;
  padding: 14px 30px;
}

.curso-release-line {
  color: var(--forge-secondary);
  font-size: 0.88rem;
  margin: 16px 0 0;
}

.curso-release-line time {
  color: var(--forge-heading);
  font-weight: 600;
}

.curso-risk-line {
  color: var(--forge-muted);
  font-size: 0.78rem;
  margin: 6px 0 0;
}

/* Sections */

.curso-section {
  border-top: 1px solid var(--forge-line);
  padding: clamp(64px, 9vh, 110px) 0;
  position: relative;
  z-index: 2;
}

.curso-section--alt {
  background: var(--forge-surface);
}

.zig-chapter-heading-mini {
  align-items: baseline;
  color: var(--forge-muted);
  display: flex;
  font-size: 0.7rem;
  font-weight: 600;
  gap: 10px;
  letter-spacing: 0.1em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.zig-chapter-heading-mini span {
  color: var(--forge-ember);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-variant-numeric: tabular-nums;
}

.curso-landing h2 {
  color: var(--forge-heading);
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

/* Trilhas */

.curso-trilhas {
  display: grid;
  gap: clamp(36px, 6vw, 72px);
  margin-top: clamp(36px, 5vw, 56px);
}

.curso-trilha {
  align-items: center;
  display: grid;
  gap: clamp(22px, 4vw, 56px);
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.curso-trilha:nth-child(even) .curso-trilha-figure {
  order: 2;
}

.curso-trilha-figure {
  margin: 0;
}

.curso-trilha-figure img {
  border: 1px solid var(--forge-line);
  border-radius: 14px;
  display: block;
  height: auto;
  width: 100%;
}

.curso-trilha-figure figcaption {
  color: var(--forge-muted);
  font-size: 0.72rem;
  line-height: 1.5;
  margin-top: 10px;
}

.curso-trilha-body h3 {
  color: var(--forge-heading);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: -0.025em;
  margin: 8px 0 12px;
}

.curso-trilha-body p {
  color: var(--forge-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
  margin: 0 0 16px;
  max-width: 56ch;
}

.curso-trilha-body ul {
  color: var(--forge-secondary);
  display: grid;
  font-size: 0.9rem;
  gap: 8px;
  line-height: 1.5;
  list-style: none;
  margin: 0;
  padding: 0;
}

.curso-trilha-body li {
  align-items: baseline;
  display: flex;
  gap: 10px;
}

.curso-trilha-body li::before {
  color: var(--forge-ember);
  content: "→";
  flex-shrink: 0;
}

.curso-trilhas-note {
  border-top: 1px solid var(--forge-line);
  color: var(--forge-secondary);
  font-size: 0.9rem;
  margin: clamp(32px, 5vw, 48px) 0 0;
  padding-top: 18px;
}

/* Steps */

.curso-steps {
  counter-reset: none;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: clamp(32px, 5vw, 48px) 0 0;
  padding: 0;
}

.curso-steps li {
  background: rgba(23, 27, 31, 0.72);
  border: 1px solid var(--forge-line);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
}

.curso-steps li > span {
  color: var(--forge-ember);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.curso-steps strong {
  color: var(--forge-heading);
  display: block;
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.curso-steps p {
  color: var(--forge-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0;
}

/* Pricing */

.curso-preco-grid {
  align-items: start;
  display: grid;
  gap: clamp(28px, 5vw, 64px);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.curso-preco-grid h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  margin: 0 0 12px;
}

.curso-preco-card {
  background: var(--forge-surface);
  border: 1px solid var(--forge-line-strong);
  border-radius: 16px;
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 4vw, 40px);
}

.curso-preco-value {
  align-items: baseline;
  display: flex;
  gap: 12px;
}

.curso-preco-value strong {
  color: var(--forge-heading);
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.curso-preco-value small {
  color: var(--forge-muted);
  font-size: 0.85rem;
}

.curso-preco-future {
  color: var(--forge-secondary);
  font-size: 0.88rem;
  margin: 0;
}

.curso-preco-futuro-grid {
  border-top: 1px solid var(--forge-line);
  display: grid;
  gap: 1px 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 4px 0 0;
  padding-top: 16px;
}

.curso-preco-futuro-grid > div + div {
  border-left: 1px solid var(--forge-line);
  padding-left: 18px;
}

.curso-preco-futuro-grid dt {
  color: var(--forge-ember);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.curso-preco-futuro-grid dd {
  color: var(--forge-secondary);
  font-size: 0.86rem;
  line-height: 1.5;
  margin: 6px 0 0;
}

.curso-preco-futuro-grid b {
  color: var(--forge-heading);
  font-variant-numeric: tabular-nums;
}

.curso-preco-card .zig-hero-cta {
  align-self: start;
  margin-top: 8px;
}

/* Garantia */

.curso-garantia h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  margin: 0 0 8px;
}

.curso-garantia-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(24px, 4vw, 40px);
}

.curso-garantia-grid > div {
  background: rgba(23, 27, 31, 0.72);
  border: 1px solid var(--forge-line);
  border-left: 3px solid var(--forge-ember);
  border-radius: 12px;
  padding: 24px;
}

.curso-garantia-grid strong {
  color: var(--forge-heading);
  display: block;
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.curso-garantia-grid p {
  color: var(--forge-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

/* FAQ */

.curso-faq {
  display: grid;
  gap: 10px;
  margin-top: clamp(28px, 4vw, 44px);
  max-width: 820px;
}

.curso-faq details {
  background: var(--forge-surface);
  border: 1px solid var(--forge-line);
  border-radius: 10px;
  padding: 0;
}

.curso-faq details[open] {
  border-color: var(--forge-line-strong);
}

.curso-faq summary {
  color: var(--forge-text);
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 600;
  list-style: none;
  padding: 18px 20px;
  position: relative;
}

.curso-faq summary::-webkit-details-marker {
  display: none;
}

.curso-faq summary::after {
  color: var(--forge-ember);
  content: "+";
  font-size: 1.2rem;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.curso-faq details[open] summary::after {
  content: "–";
}

.curso-faq details p {
  color: var(--forge-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
  padding: 0 20px 18px;
}

.curso-final-cta {
  border-top: 1px solid var(--forge-line);
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: clamp(28px, 4vw, 40px);
  text-align: left;
}

/* Responsive */

@media (max-width: 900px) {
  .curso-trilha,
  .curso-preco-grid {
    grid-template-columns: 1fr;
  }

  .curso-trilha:nth-child(even) .curso-trilha-figure {
    order: 0;
  }

  .curso-steps {
    grid-template-columns: 1fr;
  }

  .curso-garantia-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .curso-hero {
    padding-block: 40px;
  }

  .curso-landing .curso-hero-copy h1 {
    font-size: clamp(1.9rem, 8.6vw, 2.4rem);
  }

  .curso-price-block strong {
    font-size: 2rem;
  }

  .curso-hero-cta {
    width: 100%;
  }

  .curso-preco-card .zig-hero-cta {
    align-self: stretch;
    text-align: center;
  }

  .curso-preco-futuro-grid {
    grid-template-columns: 1fr;
    row-gap: 14px;
  }

  .curso-preco-futuro-grid > div + div {
    border-left: 0;
    border-top: 1px solid var(--forge-line);
    padding-left: 0;
    padding-top: 14px;
  }
}

/* Zig course additions: gated checkout buttons and the support line. */
.curso-landing { --font-display: "IBM Plex Sans Condensed", sans-serif; font-family: "Source Sans 3", sans-serif; }
.curso-landing .container { max-width: 1180px; }
button.zig-hero-cta { cursor: pointer; font-family: inherit; }
button.zig-hero-cta:disabled { cursor: wait; opacity: 0.6; transform: none; box-shadow: none; }
.curso-closed { color: var(--forge-heading); font-weight: 600; margin: 8px 0 0; }
.curso-support { color: var(--forge-secondary); font-size: 0.92rem; margin: 18px 0 0; }
.curso-support a { color: var(--forge-ember); text-decoration: underline; text-underline-offset: 3px; }
.curso-landing .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.curso-hero .zig-world-fallback { height: 100%; max-width: none; width: 100%; }
@media (max-width: 760px) {
  .curso-hero .zig-world-fallback { filter: brightness(0.45) saturate(0.9); }
}