/* VYNT Home — linguagem editorial “Arquitetura em camadas”
   Escopo: somente a página inicial. Páginas internas mantêm style.css. */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Instrument+Sans:wght@400;500;600&family=Inter:wght@400;500;600&display=swap");

:root {
  --color-graphite: #171918;
  --color-mineral: #747873;
  --color-off-white: #f1f0eb;
  --color-terracotta: #a75532;
  --color-sand: #c9bba7;
  --color-white: #ffffff;
  --color-action: #9bb33a;
  --color-action-soft: rgba(155, 179, 58, 0.14);
  --color-border: rgba(23, 25, 24, 0.12);
  --color-border-light: rgba(241, 240, 235, 0.18);
  --color-focus: #2563eb;

  --font-display: "Instrument Sans", "Manrope", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-md: 1.1875rem;
  --text-lg: clamp(1.35rem, 2.2vw, 1.75rem);
  --text-xl: clamp(2rem, 4.5vw, 3.25rem);
  --text-2xl: clamp(2.6rem, 6vw, 4.5rem);
  --text-stat: clamp(2.75rem, 7vw, 5rem);

  --leading-tight: 1.05;
  --leading-snug: 1.25;
  --leading-body: 1.65;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;
  --space-10: clamp(5rem, 12vw, 9rem);

  --max: 1360px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 2px;
  --radius-sm: 4px;
  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.45s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body.page-home-editorial {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--color-graphite);
  background: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--color-graphite);
  color: var(--color-white);
  font-weight: 500;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ——— Buttons ——— */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.btn--solid {
  background: var(--color-graphite);
  color: var(--color-white);
  border-color: var(--color-graphite);
}

.btn--solid:hover {
  background: #2a2d2b;
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.55);
}

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

.btn--ghost-dark {
  background: transparent;
  color: var(--color-graphite);
  border-color: rgba(23, 25, 24, 0.28);
}

.btn--ghost-dark:hover {
  border-color: var(--color-graphite);
  background: rgba(23, 25, 24, 0.04);
}

.btn--action {
  background: var(--color-action);
  color: var(--color-graphite);
  border-color: var(--color-action);
}

.btn--action:hover {
  filter: brightness(1.05);
}

.link-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  color: var(--color-graphite);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.1rem;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.link-line::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 0.85em;
  transition: transform var(--dur) var(--ease);
}

.link-line:hover {
  border-bottom-color: var(--color-action);
  color: var(--color-graphite);
}

.link-line:hover::after {
  transform: translateX(3px);
}

.link-line--light {
  color: var(--color-off-white);
}

.link-line--light:hover {
  border-bottom-color: var(--color-action);
  color: var(--color-white);
}

/* ——— Header ——— */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    backdrop-filter var(--dur) var(--ease);
}

.site-header.is-solid {
  background: rgba(23, 25, 24, 0.94);
  border-bottom-color: var(--color-border-light);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
}

.logo {
  text-decoration: none;
  color: var(--color-white);
  z-index: 2;
}

.logo-wordmark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1;
}

.logo-letter-y {
  color: var(--color-action);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2;
}

.lang-switch {
  display: none;
  align-items: center;
  gap: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(241, 240, 235, 0.55);
  padding: 0.35rem 0.4rem;
  cursor: pointer;
  font: inherit;
}

.lang-switch button[aria-pressed="true"] {
  color: var(--color-action);
}

.lang-switch button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.lang-switch .lang-sep {
  color: rgba(241, 240, 235, 0.25);
}

.header-cta {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-white);
  margin-inline: auto;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

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

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

.site-nav {
  position: fixed;
  inset: 0;
  background: var(--color-graphite);
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2rem;
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease);
  visibility: hidden;
}

.site-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-list a {
  display: block;
  padding: 0.85rem 0;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--color-off-white);
  border-bottom: 1px solid rgba(241, 240, 235, 0.08);
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-action);
}

.nav-mobile-extra {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 1080px) {
  .nav-toggle {
    display: none;
  }

  .header-cta,
  .lang-switch {
    display: inline-flex;
  }

  .site-nav {
    position: static;
    inset: auto;
    background: transparent;
    padding: 0;
    transform: none;
    visibility: visible;
    justify-self: center;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 0.15rem;
  }

  .nav-list a {
    padding: 0.4rem 0.7rem;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-bottom: 0;
    color: rgba(241, 240, 235, 0.82);
  }

  .nav-list a:hover,
  .nav-list a[aria-current="page"] {
    color: var(--color-white);
  }

  .nav-mobile-extra {
    display: none;
  }

  .header-cta {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-height: 2.4rem;
    padding: 0.55rem 1rem;
  }
}

/* ——— Hero ——— */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--color-white);
  overflow: hidden;
  background: var(--color-graphite);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.02);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(23, 25, 24, 0.72) 0%, rgba(23, 25, 24, 0.28) 48%, rgba(23, 25, 24, 0.18) 100%),
    linear-gradient(0deg, rgba(23, 25, 24, 0.55) 0%, transparent 42%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: calc(var(--header-h) + 3rem) 0 3.5rem;
  display: grid;
  gap: 2.5rem;
}

.hero-copy {
  max-width: 38rem;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: -0.035em;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 28rem;
  font-size: var(--text-md);
  line-height: 1.5;
  color: rgba(241, 240, 235, 0.82);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-meta {
  align-self: end;
  justify-self: start;
  border-left: 1px solid rgba(241, 240, 235, 0.28);
  padding-left: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: rgba(241, 240, 235, 0.72);
  text-transform: uppercase;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.4fr 0.8fr;
    align-items: end;
    padding-bottom: 4.5rem;
  }

  .hero-meta {
    justify-self: end;
    text-align: left;
    max-width: 14rem;
  }
}

/* ——— Sections shared ——— */

.section {
  padding: var(--space-10) 0;
}

.section--tight {
  padding: var(--space-8) 0;
}

.section-index {
  display: inline-block;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-mineral);
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  color: var(--color-graphite);
}

.section-title--light {
  color: var(--color-off-white);
}

.section-lead {
  margin: 1.25rem 0 0;
  max-width: 34rem;
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--color-mineral);
}

/* ——— Manifesto ——— */

.manifesto {
  background: var(--color-off-white);
}

.manifesto-grid {
  display: grid;
  gap: 2.5rem;
}

.manifesto-quote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.manifesto-body {
  margin: 0;
  max-width: 28rem;
  font-size: var(--text-md);
  color: var(--color-mineral);
  align-self: end;
}

@media (min-width: 900px) {
  .manifesto-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: end;
  }
}

/* ——— Catalog 2026 ——— */

.catalog-spot {
  padding: 0 0 var(--space-10);
  background: var(--color-off-white);
}

.catalog-spot-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 0.5rem 0 0;
}

.catalog-spot-cover {
  display: block;
  overflow: hidden;
  background: var(--color-graphite);
}

.catalog-spot-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
  transition: transform 1.1s var(--ease);
}

.catalog-spot-cover:hover img {
  transform: scale(1.03);
}

.catalog-spot-copy .section-index {
  color: var(--color-terracotta);
}

.catalog-spot-copy p {
  margin: 1rem 0 1.75rem;
  max-width: 32rem;
  color: var(--color-mineral);
}

@media (min-width: 900px) {
  .catalog-spot-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
  }
}

/* ——— Solution stage ——— */

.section.solution {
  padding: 0;
  background: var(--color-graphite);
  color: var(--color-off-white);
}

.solution-stage {
  position: relative;
  min-height: min(88vh, 46rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.solution-stage-media {
  position: absolute;
  inset: 0;
}

.solution-stage-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.8s var(--ease), transform 1.4s var(--ease);
}

.solution-stage-media img.is-active {
  opacity: 1;
  transform: scale(1);
}

.solution-stage-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(23, 25, 24, 0.15) 0%, rgba(23, 25, 24, 0.78) 100%),
    linear-gradient(90deg, rgba(23, 25, 24, 0.55) 0%, transparent 55%);
  pointer-events: none;
}

.solution-stage-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: 8rem;
  padding-bottom: 2.5rem;
}

.solution-stage .section-index {
  color: var(--color-action);
}

.solution-stage .section-title {
  color: var(--color-white);
  max-width: 14ch;
  margin-bottom: 2.5rem;
}

.solution-steps {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(241, 240, 235, 0.18);
}

.solution-tab {
  display: block;
  width: 100%;
  text-align: left;
  appearance: none;
  padding: 1.25rem 0 1.35rem;
  border: 0;
  border-bottom: 1px solid rgba(241, 240, 235, 0.14);
  background: transparent;
  cursor: pointer;
  color: inherit;
  font: inherit;
  position: relative;
}

.solution-tab::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 2px;
  background: var(--color-action);
  transition: width var(--dur) var(--ease);
}

.solution-tab[aria-selected="true"]::before {
  width: 3.5rem;
}

.solution-tab:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.solution-tab-num {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--color-action);
}

.solution-tab-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.solution-tab-text {
  margin: 0;
  max-width: 22rem;
  color: rgba(241, 240, 235, 0.72);
  font-size: var(--text-sm);
}

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

  .solution-tab {
    padding: 1.5rem 1.75rem 1.75rem 0;
    border-bottom: 0;
    border-right: 1px solid rgba(241, 240, 235, 0.14);
  }

  .solution-tab:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .solution-tab:not(:first-child) {
    padding-left: 1.75rem;
  }
}

/* ——— Materials / skins ——— */

.section.materials {
  padding: 0 0 4.5rem;
  background: var(--color-graphite);
  color: var(--color-off-white);
}

.materials-head {
  display: grid;
  gap: 0.75rem;
  padding: 4.5rem 0 2.25rem;
  max-width: 36rem;
}

.materials-head .section-index {
  color: var(--color-action);
}

.materials-head .section-title {
  color: var(--color-white);
}

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

.skin {
  position: relative;
  display: block;
  min-height: 28rem;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--color-graphite);
}

.skin img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

.skin::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 25, 24, 0.05) 20%, rgba(23, 25, 24, 0.78) 100%);
}

.skin:hover img {
  transform: scale(1.06);
}

.skin-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 1.75rem 1.5rem 2rem;
}

.skin-cat {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(241, 240, 235, 0.7);
}

.skin-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.skin-text {
  margin: 0.55rem 0 0;
  max-width: 22rem;
  font-size: var(--text-sm);
  color: rgba(241, 240, 235, 0.78);
  line-height: 1.5;
}

.skin--terracotta .skin-title { color: #c97a52; }
.skin--porcelain .skin-title { color: #d8ddd4; }
.skin--horizon .skin-title { color: #9bb33a; }
.skin--allure .skin-title { color: #c4a574; }

@media (min-width: 800px) {
  .skins {
    grid-template-columns: repeat(4, 1fr);
  }

  .skin {
    min-height: min(72vh, 38rem);
  }
}

.materials-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-top: 1.75rem;
}

.materials-foot p {
  margin: 0;
  max-width: 36rem;
  font-size: var(--text-sm);
  color: rgba(241, 240, 235, 0.62);
  letter-spacing: 0.04em;
}

.materials-foot .link-line {
  color: var(--color-off-white);
}

.materials-foot .link-line:hover {
  color: var(--color-white);
  border-bottom-color: var(--color-action);
}

/* ——— System layers ——— */

.layers {
  background: var(--color-white);
}

.layers-head {
  max-width: 36rem;
  margin-bottom: 3rem;
}

.layers-stage {
  display: grid;
  gap: 2rem;
}

.layers-diagram {
  position: relative;
  min-height: 22rem;
  background: linear-gradient(180deg, #eceae4 0%, #ddd9d0 100%);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.layer-plane {
  position: absolute;
  left: 8%;
  right: 18%;
  height: 18%;
  border: 1px solid rgba(23, 25, 24, 0.2);
  background: rgba(241, 240, 235, 0.55);
  transform-origin: center bottom;
  transition: transform 0.7s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
}

.layer-plane[data-layer="1"] {
  bottom: 8%;
  background: #b7b4ab;
}

.layer-plane[data-layer="2"] {
  bottom: 24%;
  background: rgba(201, 187, 167, 0.85);
}

.layer-plane[data-layer="3"] {
  bottom: 40%;
  background: rgba(116, 120, 115, 0.35);
  border-style: dashed;
}

.layer-plane[data-layer="4"] {
  bottom: 56%;
  background: rgba(255, 255, 255, 0.35);
  border-style: dotted;
}

.layer-plane[data-layer="5"] {
  bottom: 72%;
  background: var(--color-terracotta);
  opacity: 0.88;
}

.layers-diagram.is-active .layer-plane {
  transform: translateY(calc((5 - var(--i)) * -6px)) skewX(-8deg);
}

.layer-plane.is-focus {
  border-color: var(--color-graphite);
  box-shadow: 0 0 0 1px var(--color-graphite);
  z-index: 2;
}

.layers-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.layers-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  cursor: default;
  transition: opacity var(--dur) var(--ease);
}

.layers-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.layers-item-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-terracotta);
  padding-top: 0.2rem;
}

.layers-item-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.layers-item-text {
  margin: 0.25rem 0 0;
  font-size: var(--text-sm);
  color: var(--color-mineral);
}

@media (min-width: 960px) {
  .layers-stage {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
  }

  .layers-diagram {
    min-height: 28rem;
  }
}

/* ——— Featured project ——— */

.project {
  background: var(--color-off-white);
}

.project-meta {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.project-kicker {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-mineral);
}

.project-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.project-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
}

.project-facts dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-mineral);
  margin: 0 0 0.25rem;
}

.project-facts dd {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 500;
}

.project-gallery {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.project-gallery-main {
  min-height: 18rem;
  overflow: hidden;
  background: var(--color-graphite);
}

.project-gallery-main img,
.project-gallery-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-gallery-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.project-gallery-side figure {
  margin: 0;
  min-height: 9rem;
  overflow: hidden;
  background: var(--color-graphite);
}

.project-copy {
  display: grid;
  gap: 1.75rem;
}

.project-copy h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-terracotta);
}

.project-copy p {
  margin: 0;
  color: var(--color-mineral);
  max-width: 36rem;
}

@media (min-width: 960px) {
  .project-meta {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
    gap: 3rem;
  }

  .project-gallery {
    grid-template-columns: 1.6fr 0.9fr;
    gap: 1rem;
  }

  .project-gallery-main {
    min-height: 34rem;
  }

  .project-gallery-side {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }

  .project-gallery-side figure {
    min-height: 0;
  }

  .project-copy {
    grid-template-columns: 1fr 1fr auto;
    align-items: start;
    gap: 2.5rem;
  }
}

/* ——— Credibility ——— */

.credibility {
  background: var(--color-graphite);
  color: var(--color-off-white);
}

.credibility-head {
  max-width: 36rem;
  margin-bottom: 3.5rem;
}

.credibility-head p {
  margin: 1.25rem 0 0;
  color: rgba(241, 240, 235, 0.7);
  font-size: var(--text-md);
}

.stats {
  list-style: none;
  margin: 0 0 4rem;
  padding: 0;
  display: grid;
  gap: 2rem 1.5rem;
  border-top: 1px solid var(--color-border-light);
  padding-top: 2.5rem;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-stat);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-white);
}

.stat-label {
  display: block;
  margin-top: 0.65rem;
  max-width: 12rem;
  font-size: var(--text-sm);
  color: rgba(241, 240, 235, 0.62);
}

.clients-row {
  list-style: none;
  margin: 0;
  padding: 2rem 0 0;
  border-top: 1px solid var(--color-border-light);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 2rem;
  align-items: center;
}

.clients-row li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
}

.clients-row img {
  max-height: 28px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(1) brightness(2.2) contrast(0.75);
  opacity: 0.72;
}

@media (min-width: 800px) {
  .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .clients-row {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ——— Partners ——— */

.partners {
  background: var(--color-white);
}

.partners-head {
  margin-bottom: 3rem;
  max-width: 32rem;
}

.partners-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.partners-list li {
  display: grid;
  gap: 0.75rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.partners-list strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.partners-list p {
  margin: 0;
  color: var(--color-mineral);
  font-size: var(--text-sm);
  max-width: 36rem;
}

@media (min-width: 800px) {
  .partners-list li {
    grid-template-columns: 16rem 1fr;
    align-items: baseline;
    gap: 2rem;
  }
}

/* ——— Academia ——— */

.academia-band {
  position: relative;
  min-height: 28rem;
  display: flex;
  align-items: flex-end;
  color: var(--color-white);
  overflow: hidden;
  background: var(--color-graphite);
}

.academia-band-media {
  position: absolute;
  inset: 0;
}

.academia-band-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.academia-band-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(23, 25, 24, 0.82) 0%, rgba(23, 25, 24, 0.35) 70%);
}

.academia-band-content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  max-width: 34rem;
}

.academia-band-content .section-index {
  color: var(--color-action);
}

.academia-band-content p {
  margin: 1.15rem 0 1.75rem;
  color: rgba(241, 240, 235, 0.78);
}

/* ——— Content / reading ——— */

.content-band {
  background: var(--color-off-white);
}

.content-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 2.75rem;
}

.reading {
  display: grid;
  gap: 1.75rem;
}

.reading-feature {
  position: relative;
  display: block;
  min-height: 22rem;
  overflow: hidden;
  text-decoration: none;
  color: var(--color-white);
  background: var(--color-graphite);
}

.reading-feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

.reading-feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 25, 24, 0.1) 30%, rgba(23, 25, 24, 0.82) 100%);
}

.reading-feature:hover img {
  transform: scale(1.04);
}

.reading-feature-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 22rem;
  padding: 2rem 1.75rem;
  max-width: 32rem;
}

.reading-feature-title {
  margin: 0.4rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--color-white);
}

.reading-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.reading-item {
  display: grid;
  gap: 0.35rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
}

.reading-item:hover .reading-item-title {
  color: var(--color-terracotta);
}

.reading-item-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: color var(--dur) var(--ease);
}

.reading-item-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-mineral);
}

@media (min-width: 960px) {
  .reading {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: stretch;
  }

  .reading-feature,
  .reading-feature-body {
    min-height: 100%;
  }
}

/* ——— Final CTA ——— */

.final-cta {
  position: relative;
  overflow: hidden;
  background: var(--color-graphite);
  color: var(--color-off-white);
}

.final-cta-media {
  position: absolute;
  inset: 0;
  opacity: 0.28;
}

.final-cta-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  padding: var(--space-10) 0;
  max-width: 40rem;
}

.final-cta-inner p {
  margin: 1.15rem 0 2rem;
  color: rgba(241, 240, 235, 0.72);
  font-size: var(--text-md);
}

.final-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ——— Footer ——— */

.site-footer {
  background: #111312;
  color: rgba(241, 240, 235, 0.72);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(241, 240, 235, 0.08);
}

.footer-top {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(241, 240, 235, 0.1);
}

.footer-brand .logo-wordmark {
  color: var(--color-white);
}

.footer-tagline {
  margin: 0.85rem 0 0;
  font-size: var(--text-sm);
  max-width: 18rem;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
}

.footer-col-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(241, 240, 235, 0.45);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-col a {
  text-decoration: none;
  font-size: var(--text-sm);
  color: rgba(241, 240, 235, 0.78);
}

.footer-col a:hover {
  color: var(--color-action);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  font-size: 0.78rem;
  color: rgba(241, 240, 235, 0.45);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal a {
  text-decoration: none;
  color: inherit;
}

.footer-legal a:hover {
  color: var(--color-off-white);
}

@media (min-width: 900px) {
  .footer-top {
    grid-template-columns: 1.1fr 2fr;
    gap: 4rem;
  }

  .footer-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ——— Placeholders ——— */

.placeholder-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-mineral);
}

/* ——— Reveal motion ——— */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  }

  .reveal.is-in {
    opacity: 1;
    transform: none;
  }
}

/* Botão flutuante WhatsApp */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 3.25rem;
  padding: 0.7rem 1rem 0.7rem 0.85rem;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 10px 28px rgba(23, 25, 24, 0.22);
  transition: transform 0.2s var(--ease, ease), background-color 0.2s ease;
}

.whatsapp-float:hover {
  background: #1ebe57;
  transform: translateY(-2px);
  color: #fff;
}

.whatsapp-float:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.whatsapp-float svg {
  display: block;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .whatsapp-float {
    right: 1rem;
    bottom: 1rem;
    padding: 0.85rem;
    min-height: 3.25rem;
    min-width: 3.25rem;
    justify-content: center;
  }

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