/* Andy Castro — Portfolio v1 (HTML/CSS/JS) */

:root {
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --font-serif: Georgia, serif;

  --color-ink: #242526;
  --color-ink-muted: #626460;
  --color-ink-soft: #626460;
  --color-ink-meta: #3d58a0;
  --color-surface-dark: #252627;
  --color-surface-dark-elevated: #252627;
  --color-surface-light: #f3f1ec;
  --color-surface-white: #faf9f6;
  --color-surface-mist: #e4e9f3;
  --color-surface-mist-deep: #d8e0eb;
  --color-border: #d3d3cd;
  --color-border-dark: #484b4c;

  --color-primary: #3d58a0;
  --color-primary-hover: #314878;
  --color-cta-soft: #b7c8fa;
  --color-cta-soft-text: #242526;
  --color-nav-active: #b7c8fa;
  --color-hero-muted: #bfc1be;
  --color-header-text: #f3f1ec;
  --color-header-muted: #bfc1be;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  --container: min(1296px, calc(100% - 2.5rem));
  --header-h: 6.5rem;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-surface-white);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding-block: var(--space-4xl);
}

.section--compact {
  padding-block: var(--space-3xl);
}

.section--dark {
  background: var(--color-surface-dark);
  color: #f5f5f5;
}

.section--light {
  background: var(--color-surface-light);
}

.section--mist {
  background: var(--color-surface-mist);
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-meta);
  margin-bottom: var(--space-md);
}

.section__intro {
  max-width: 46rem;
  color: var(--color-ink-muted);
  font-size: 1.0625rem;
  line-height: 1.6;
  margin: calc(-1 * var(--space-md)) 0 var(--space-2xl);
}

.section--panel {
  background: var(--color-surface-white);
  border-block: 1px solid var(--color-border);
}

.section__title--tight {
  margin-bottom: 0;
}

.section__eyebrow--on-dark {
  color: rgba(255, 255, 255, 0.62);
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-xl);
}

.section__title--light {
  color: #fff;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--color-surface-dark);
  border-bottom: 1px solid var(--color-border-dark);
  color: var(--color-header-text);
}

@media (max-width: 899px) {
  .site-header {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
  }

  body {
    padding-top: var(--header-h);
  }
}

.site-header--light {
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(8px);
  color: var(--color-ink);
  border-bottom-color: var(--color-border);
}

.site-header--light .brand {
  color: var(--color-ink);
}

.site-header--light .brand__role {
  color: var(--color-ink-muted);
}

.site-header--light .nav-toggle {
  color: var(--color-ink);
}

.site-header__inner {
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--color-header-text);
}

.brand__mark {
  width: 2.875rem;
  height: 2.875rem;
  border: none;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 0;
  background: transparent;
}

.brand__mark img,
.brand__mark svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 0;
}

.site-header--light .brand__mark img,
.site-header--light .brand__mark svg {
  filter: none;
  opacity: 1;
}

.brand--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  line-height: 1.2;
}

.brand--stack .brand__role {
  margin-left: 0;
  opacity: 0.55;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.15;
}

.brand__role {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-header-muted);
  opacity: 1;
  margin-left: 0;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
  font-size: 0.875rem;
}

.site-header .nav-desktop a {
  color: var(--color-header-text);
  opacity: 1;
  transition: color var(--transition);
}

.site-header .nav-desktop a:hover {
  color: var(--color-nav-active);
}

.site-header .nav-desktop a[aria-current="page"] {
  color: var(--color-nav-active);
  font-weight: 400;
  background: none;
  padding: 0;
}

.site-header--light .nav-desktop a {
  color: var(--color-ink-muted);
}

.site-header--light .nav-desktop a:hover,
.site-header--light .nav-desktop a[aria-current="page"] {
  color: var(--color-ink-meta);
}

.site-header .nav-toggle {
  color: var(--color-header-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lang-flags {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-flags__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  opacity: 0.72;
  transition: opacity var(--transition), border-color var(--transition), background var(--transition);
}

a.lang-flags__btn:hover {
  opacity: 1;
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
}

.lang-flags__btn.is-active {
  opacity: 1;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
}

.lang-flags__btn img {
  display: block;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.nav-mobile__lang {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-mobile__lang .lang-flags {
  justify-content: flex-start;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--block {
  width: 100%;
}

.btn--outline {
  background: var(--color-surface-light);
  border: 1px solid var(--color-border);
  color: var(--color-ink);
}

.btn--text-link {
  color: #f3f1ec;
  font-size: 0.875rem;
  padding: 0;
}

.btn--text-link:hover {
  color: var(--color-nav-active);
}

.btn__icon-img {
  display: block;
  flex-shrink: 0;
}

.btn__icon-img--on-primary {
  filter: brightness(0) invert(1);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--soft {
  background: var(--color-cta-soft);
  color: var(--color-cta-soft-text);
}

.btn--soft:hover {
  background: #a8baf5;
  color: var(--color-cta-soft-text);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn--ghost-dark {
  border: 1px solid var(--color-border);
  color: var(--color-ink);
}

.btn--ghost-dark:hover {
  background: rgba(0, 0, 0, 0.04);
}

.btn__icon {
  font-size: 0.9em;
  line-height: 1;
}

.nav-toggle {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: inherit;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-surface-dark);
  color: #fff;
  padding: var(--space-xl);
  transform: translateX(100%);
  transition: transform 280ms ease;
  z-index: 99;
}

.nav-mobile.is-open {
  transform: translateX(0);
}

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  font-size: 1.125rem;
}

.nav-mobile .btn {
  width: 100%;
  margin-top: var(--space-lg);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .header-actions .btn--soft {
    display: inline-flex;
  }
}

@media (max-width: 899px) {
  .header-actions .btn--header-cta {
    display: inline-flex;
    padding: 0.5rem 0.85rem;
    font-size: 0.75rem;
  }

  .header-actions .btn--header-cta .btn__icon {
    display: none;
  }
}

/* Hero — home (Figma Apresentação 3:6740) */
.hero {
  background: var(--color-surface-dark);
  color: #f3f1ec;
  display: flex;
  flex-direction: column;
  gap: 3.75rem; /* 60px — Posicionamento → Contexto profissional */
  padding-bottom: 3rem; /* 48px */
}

.hero__grid {
  display: grid;
  gap: var(--space-2xl);
  padding-top: var(--space-3xl);
}

.hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-nav-active);
  margin: 0 0 var(--space-lg);
}

.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 5rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-lg);
}

.hero__lead {
  color: var(--color-hero-muted);
  max-width: 41rem;
  margin: 0 0 var(--space-xl);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  align-items: center;
}

.hero__manifesto {
  border: 1px solid var(--color-border-dark);
  min-height: 26rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-lg);
}

.hero__manifesto-top,
.hero__manifesto-principle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-hero-muted);
}

.hero__manifesto-arrow,
.hero__manifesto-clarity {
  color: var(--color-nav-active);
}

.hero__manifesto-clarity {
  color: #f3f1ec;
}

.hero__manifesto-logo {
  display: grid;
  place-items: center;
  flex: 1;
  padding: var(--space-md);
}

.hero__manifesto-logo img {
  width: min(100%, 15rem);
  height: auto;
  object-fit: contain;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
  padding-top: 1.75rem; /* 28px — Figma Contexto profissional */
}

.hero__stat {
  color: var(--color-hero-muted);
}

.hero__stat--highlight {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero__stat-num {
  font-size: 2rem;
  font-weight: 600;
  color: #f3f1ec;
  line-height: 1;
}

.hero__stat-label,
.hero__stat-mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    padding-top: 4.75rem; /* 76px — pt Apresentação */
  }

  .hero__stats {
    grid-template-columns: 1.1fr 1fr 1fr;
    align-items: start;
    gap: var(--space-xl);
  }
}

/* Projects */
.projects-grid {
  display: grid;
  gap: var(--space-xl);
}

.project-card {
  background: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Media placeholders */
.media-frame {
  position: relative;
  background: #eae8e3;
  overflow: hidden;
}

.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame__fallback {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  background: #ebe9e4;
  text-align: center;
}

.media-frame__fallback img {
  width: min(100%, 280px);
  height: auto;
  opacity: 0.85;
}

.media-frame__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-meta);
}

.media-frame.is-missing .media-frame__img {
  display: none;
}

.media-frame.is-missing .media-frame__fallback {
  display: flex;
}

.project-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #eae8e3;
  overflow: hidden;
}

.project-card__media .media-frame__img,
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: opacity var(--transition);
}

.project-card__media img.is-hidden {
  opacity: 0;
  position: absolute;
  inset: 0;
}

.project-card__media img.is-visible {
  opacity: 1;
  position: relative;
}

.project-card__media img[data-view="diagram"] {
  object-fit: contain;
  padding: var(--space-md);
  background: var(--color-surface-white);
}

.project-card__toggle {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.92);
  padding: 0.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-card__toggle button {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-muted);
}

.project-card__toggle button.is-active {
  background: var(--color-ink);
  color: #fff;
}

.project-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-meta);
  margin-bottom: var(--space-sm);
}

.project-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
}

.project-card__title a {
  color: inherit;
}

.project-card__title a:hover {
  color: var(--color-primary);
}

.project-card__desc {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-lg);
  flex: 1;
}

.project-card__links {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8125rem;
  font-weight: 600;
}

.project-card__links a {
  color: var(--color-primary);
}

@media (min-width: 900px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* About */
.about-grid {
  display: grid;
  gap: var(--space-2xl);
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.media-frame--portrait {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.about-content .about-photo.media-frame__img {
  filter: grayscale(100%);
  object-fit: cover;
  height: 100%;
}

.about-lead {
  font-size: 1.0625rem;
  color: var(--color-ink);
  font-weight: 500;
  margin: 0 0 var(--space-md);
}

.method-intro__text {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
  max-width: 32rem;
  line-height: 1.6;
}

.about-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 600;
}

.about-links a {
  color: var(--color-primary);
}

.about-text p {
  margin: 0 0 var(--space-md);
  color: var(--color-ink-muted);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: minmax(220px, 280px) 1fr;
    gap: var(--space-3xl);
  }
}

/* Accordion — expertise */
.expertise-layout {
  display: grid;
  gap: var(--space-2xl);
}

.accordion {
  border-top: 1px solid var(--color-border);
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
}

.accordion__icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1rem;
  line-height: 1;
  color: var(--color-ink-muted);
  transition: transform var(--transition);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(45deg);
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 280ms ease;
}

.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
}

.accordion__panel-inner {
  overflow: hidden;
}

.accordion__panel-inner p {
  margin: 0 0 var(--space-lg);
  padding-right: var(--space-xl);
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

@media (min-width: 900px) {
  .expertise-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

/* Tools grid */
.tools-grid {
  display: grid;
  gap: var(--space-lg);
}

.tools-group h3 {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-sm);
}

.tools-group p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.stack-tags span {
  font-size: 0.8125rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface-white);
  color: var(--color-ink-muted);
}

.projects-more {
  margin-top: var(--space-2xl);
  font-size: 0.875rem;
  font-weight: 600;
}

.projects-more a {
  color: var(--color-primary);
}

.expertise-intro {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  margin: calc(-1 * var(--space-md)) 0 0;
  max-width: 28rem;
}

.method-intro {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.method-sdd-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.method-sdd-card h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1rem;
  font-weight: 600;
}

.method-sdd-card p {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}

.about-content {
  display: grid;
  gap: var(--space-xl);
}

.about-content .about-photo-wrap {
  margin-bottom: 0;
  max-width: 220px;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: minmax(180px, 220px) 1fr;
    align-items: start;
    gap: var(--space-xl);
  }
}

.contact-focus {
  margin: var(--space-xl) 0 0;
  padding: 0;
  list-style: none;
}

.contact-focus li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  font-weight: 600;
  font-size: 0.9375rem;
}

.contact-focus li span {
  display: block;
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  margin-top: 0.2rem;
}

.footer-top-link {
  color: rgba(255, 255, 255, 0.65);
  font-weight: 600;
}

.footer-top-link:hover {
  color: #fff;
}


@media (min-width: 640px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .tools-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .tools-grid--stack {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Methodology dark block */
.method-grid {
  display: grid;
  gap: var(--space-2xl);
}

.method-grid p {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.pillars {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-dark);
}

.pillar__num {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-sm);
}

.pillar h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
}

.pillar p {
  font-size: 0.8125rem;
  margin: 0;
}

@media (min-width: 768px) {
  .method-grid {
    grid-template-columns: 1fr 1fr;
  }

  .method-intro {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .pillars {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Values */
.values-grid {
  display: grid;
  gap: var(--space-2xl);
}

.values-list li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  font-weight: 600;
}

.values-list li span {
  display: block;
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin-top: 0.25rem;
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Blog preview — home */
.blog-preview {
  display: grid;
  gap: var(--space-xl);
}

.blog-featured {
  display: grid;
  gap: var(--space-lg);
  background: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.blog-featured:hover {
  border-color: #c5c0b6;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.blog-featured__thumb {
  aspect-ratio: 16 / 10;
  background: var(--color-surface-mist);
  overflow: hidden;
}

.blog-featured__thumb .media-frame__img,
.blog-mini__thumb .media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-mini__thumb .media-frame__fallback img {
  max-width: 64px;
}

.blog-featured__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-featured__body {
  padding: var(--space-lg);
}

.blog-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.blog-mini {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-white);
  transition: border-color var(--transition);
}

.blog-mini:hover {
  border-color: var(--color-primary);
  background: rgba(47, 74, 138, 0.04);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.blog-mini__thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-mist);
}

.blog-mini__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-mini__tag {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.blog-mini__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0.25rem 0 0;
  line-height: 1.35;
}

@media (min-width: 900px) {
  .blog-preview {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-2xl);
}

.contact-steps {
  margin: var(--space-xl) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: contact-step;
}

.contact-steps li {
  counter-increment: contact-step;
  position: relative;
  padding-left: 2.75rem;
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

.contact-steps li::before {
  content: counter(contact-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-ink);
  background: #fff;
}

.contact-steps strong {
  display: block;
  color: var(--color-ink);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: 0.9375rem;
  margin-top: var(--space-lg);
}

.contact-list a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #fff;
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-color: var(--color-primary);
}

.form-field.has-error input,
.form-field.has-error textarea,
.form-field input:user-invalid:not(:focus):not(:placeholder-shown),
.form-field textarea:user-invalid:not(:focus):not(:placeholder-shown) {
  border-color: #9f2c2c;
}

.form-field__error {
  display: block;
  min-height: 1.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: #9f2c2c;
  margin-top: 0.35rem;
}

.form-field__error:empty {
  display: none;
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-ink-soft);
}

.btn.is-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.is-loading::after {
  content: "";
  position: absolute;
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.65s linear infinite;
}

@keyframes btn-spin {
  to {
    transform: rotate(360deg);
  }
}

.form-status--success {
  color: var(--color-primary);
  font-weight: 600;
}

.form-status--error {
  color: #9f2c2c;
  font-weight: 600;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Footer — frame Rodapé (Figma) */
.site-footer {
  background: var(--color-surface-dark);
  color: var(--color-header-muted);
  padding-block: 2.5rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.site-footer__top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
}

.site-footer .brand--footer {
  gap: 0.875rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-header-text);
}

.site-footer .brand--footer .brand__mark {
  width: 2.5rem;
  height: 2.5rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-header-muted);
}

.site-footer__nav a:hover {
  color: var(--color-header-text);
}

.site-footer__rule {
  border: 0;
  margin: 0;
  width: 100%;
  height: 1px;
  background: var(--color-border-dark);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  color: var(--color-header-muted);
}

.site-footer__legal,
.site-footer__locale {
  margin: 0;
}

.site-footer__locale {
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .site-footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }
}

/* Blog page */
.blog-hero {
  background: var(--color-surface-dark);
  color: #fff;
  padding-block: var(--space-3xl);
}

.blog-hero__grid {
  display: grid;
  gap: var(--space-xl);
}

.blog-hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
}

.blog-hero__lead {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
  max-width: 28rem;
}

.blog-hero__note {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin-top: var(--space-md);
}

@media (min-width: 900px) {
  .blog-hero__grid {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
}

.featured-post {
  display: grid;
  gap: 0;
  margin-top: calc(-1 * var(--space-2xl));
  position: relative;
  z-index: 2;
  background: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.featured-post:hover {
  border-color: #c5c0b6;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.featured-post__visual {
  background: var(--color-surface-mist);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-post__visual img {
  max-height: 220px;
  width: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.featured-post__content {
  padding: var(--space-xl);
}

.featured-post__meta {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.featured-post__title {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
}

.featured-post__excerpt {
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-lg);
}

.featured-post__read {
  font-size: 0.8125rem;
  color: var(--color-ink-meta);
  margin-bottom: var(--space-lg);
}

@media (min-width: 900px) {
  .featured-post {
    grid-template-columns: 1fr 1fr;
  }
}

.blog-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.blog-search {
  position: relative;
}

.blog-search input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font: inherit;
  background: #fff;
}

.blog-search svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  opacity: 0.45;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-weight: 500;
  background: #fff;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.filter-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.post-list {
  border-top: 1px solid var(--color-border);
}

.post-list__item {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
  transition: background var(--transition), box-shadow var(--transition);
  border-radius: var(--radius-sm);
}

.post-list__item:hover {
  background: rgba(47, 74, 138, 0.05);
  box-shadow: inset 0 0 0 1px rgba(47, 74, 138, 0.12);
}

.post-list__thumb {
  display: none;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-mist);
  aspect-ratio: 4 / 3;
  min-height: 72px;
}

.post-list__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-list__item.is-hidden {
  display: none;
}

.post-list__cat {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-meta);
}

.post-list__cat span {
  display: block;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.post-list__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  line-height: 1.3;
}

.post-list__excerpt {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.post-list__meta {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-ink-meta);
  text-align: right;
  white-space: nowrap;
}

.post-list__arrow {
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0.45;
  transition: opacity var(--transition), transform var(--transition), color var(--transition);
}

.post-list__item:hover .post-list__arrow {
  opacity: 1;
  color: var(--color-primary);
  transform: translate(2px, -2px);
}

.post-list__item:hover .post-list__title {
  color: var(--color-primary);
}

.post-list__title {
  transition: color var(--transition);
}

@media (min-width: 768px) {
  .blog-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .blog-search {
    max-width: 320px;
    flex: 1;
  }

  .post-list__thumb {
    display: block;
    width: 96px;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .post-list__item {
    grid-template-columns: 96px 140px 1fr auto auto;
    gap: var(--space-lg);
    padding-inline: var(--space-md);
  }
}

@media (max-width: 767px) {
  .post-list__thumb {
    display: block;
    max-width: 100%;
    grid-column: 1 / -1;
  }

  .post-list__item {
    padding-inline: var(--space-sm);
  }
}

.cta-band {
  background: var(--color-surface-mist-deep);
  padding-block: var(--space-3xl);
}

.cta-band__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.cta-band__title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  margin: 0;
  max-width: 32rem;
  line-height: 1.25;
}

.cta-band__sub {
  margin: var(--space-sm) 0 0;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

@media (min-width: 768px) {
  .cta-band__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Article */
.article-layout {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-2xl) var(--space-4xl);
}

.article-toc {
  display: none;
  font-size: 0.8125rem;
}

.article-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.article-toc a {
  display: block;
  padding: 0.35rem 0;
  color: var(--color-ink-muted);
}

.article-toc a:hover {
  color: var(--color-primary);
}

.article-header {
  margin-bottom: var(--space-2xl);
}

.article-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

.article-header .lead {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-lg);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink-meta);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.prose {
  max-width: 42rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-ink-muted);
}

.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-ink);
  margin: var(--space-2xl) 0 var(--space-md);
}

.prose p {
  margin: 0 0 var(--space-md);
}

.callout {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-light);
  margin: var(--space-xl) 0;
  font-style: italic;
  color: var(--color-ink);
}

.code-block {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  font-family: ui-monospace, monospace;
  font-size: 0.8125rem;
  overflow-x: auto;
  margin: var(--space-xl) 0;
  line-height: 1.5;
}

.takeaways {
  background: var(--color-surface-mist);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  margin-top: var(--space-2xl);
}

.takeaways h3 {
  margin: 0 0 var(--space-md);
  font-size: 1rem;
}

.takeaways ul {
  list-style: disc;
  padding-left: 1.25rem;
  color: var(--color-ink-muted);
}

.breadcrumbs {
  font-size: 0.75rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-lg);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.prose-figure {
  margin: var(--space-xl) 0;
  text-align: center;
}

.prose-figure.media-frame {
  border-radius: var(--radius-md);
  min-height: 12rem;
}

.prose-figure.media-frame .media-frame__img {
  margin-inline: auto;
}

.prose-figure img {
  margin-inline: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  max-width: min(100%, 520px);
}

.prose-figure figcaption {
  margin-top: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
}

.related-posts {
  margin-top: var(--space-4xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.related-posts h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-xl);
}

.related-posts__grid {
  display: grid;
  gap: var(--space-lg);
}

.related-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-light);
  transition: border-color var(--transition);
}

.related-card:hover {
  border-color: #bbb;
}

.related-card__thumb {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-mist);
}

.related-card__thumb .media-frame__img,
.related-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-card__tag {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.related-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0.25rem 0 0;
  line-height: 1.35;
}

@media (min-width: 640px) {
  .related-posts__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 180px 1fr;
  }

  .article-toc {
    display: block;
  }
}