/* ==========================================================================
   MARA RÚBIA — Creative Editor & Performance Marketing
   Design system: papel quente, tinta quase-preta, bege neutro,
   e um único acento — o "tally red", a luz vermelha de câmera em gravação.
   ========================================================================== */

/* ---------- Fontes ---------- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- Tokens ---------- */
:root {
  /* Cor */
  --ink: #100f0d;
  --ink-soft: #46433d;
  --paper: #faf9f6;
  --sand: #ece6d8;
  --sand-deep: #ddd4bd;
  --stone: #b6ad9c;
  --line: #ddd6c6;
  --tally: #8a2e26;
  --tally-dim: #8a2e2614;

  /* Tipografia */
  --font-display: 'Fraunces', 'Iowan Old Style', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Espaçamento fluido */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-s: clamp(1rem, 0.9rem + 0.4vw, 1.5rem);
  --space-m: clamp(1.5rem, 1.2rem + 1.2vw, 2.5rem);
  --space-l: clamp(2.5rem, 1.8rem + 2.8vw, 4.5rem);
  --space-xl: clamp(4rem, 2.8rem + 4.8vw, 7.5rem);
  --space-2xl: clamp(5rem, 3.2rem + 7vw, 10rem);

  /* Layout */
  --container-max: 1240px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
  --radius-s: 2px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@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 {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

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

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

input,
textarea {
  font: inherit;
}

/* ---------- Acessibilidade ---------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  transition: top 0.2s var(--ease);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.skip-link:focus {
  top: 1rem;
}

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

.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;
}

/* ---------- Tipografia ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tally);
  flex-shrink: 0;
}

.eyebrow__dot--live {
  animation: pulse-dot 2.6s var(--ease) infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.75); }
}

.display-1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.8rem, 2rem + 5.5vw, 7.2rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
}

.display-2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 1.5rem + 3.2vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.display-3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 1.3rem + 1.2vw, 2.1rem);
  line-height: 1.15;
}

.lede {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.35rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 42ch;
}

.italic {
  font-style: italic;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-2xl);
  position: relative;
}

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

.section--sand {
  background: var(--sand);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
}

.section-head__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-m);
  flex-wrap: wrap;
}

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1.05em 1.7em;
  border-radius: var(--radius-s);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
}

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

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

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn-arrow {
  transition: transform 0.3s var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--ink);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), gap 0.3s var(--ease);
}

.text-link:hover {
  color: var(--tally);
  border-color: var(--tally);
  gap: 0.75em;
}

/* ---------- Header / Navegação ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding-block: var(--space-s);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(250, 249, 246, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
  padding-block: var(--space-xs);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.logo span {
  color: var(--tally);
  font-style: italic;
}

.main-nav {
  display: none;
}

.main-nav ul {
  display: flex;
  gap: var(--space-m);
  align-items: center;
}

.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 0.35em;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--tally);
  transition: right 0.3s var(--ease);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  right: 0;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--ink);
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--paper);
  z-index: 95;
  display: flex;
  align-items: center;
  padding: var(--container-pad);
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease);
}

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

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: clamp(2rem, 10vw, 3rem);
  font-weight: 400;
}

.mobile-nav__footer {
  position: absolute;
  bottom: var(--container-pad);
  left: var(--container-pad);
  right: var(--container-pad);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--stone);
}

@media (min-width: 860px) {
  .main-nav {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-nav {
    display: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--space-2xl) + var(--space-m));
  padding-bottom: var(--space-l);
  position: relative;
}

.hero__eyebrow {
  margin-bottom: var(--space-m);
}

.hero__name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.2rem, 1.6rem + 10vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: -0.015em;
}

.hero__name em {
  font-style: italic;
  color: var(--tally);
}

.hero__grid {
  margin-top: var(--space-l);
  display: grid;
  gap: var(--space-m);
  grid-template-columns: 1fr;
  align-items: end;
}

.hero__role {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 0.7rem + 0.5vw, 1.05rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-left: 2px solid var(--tally);
  padding-left: var(--space-s);
}

.hero__phrase {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.4rem);
  line-height: 1.5;
  color: var(--ink);
  max-width: 34ch;
}

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

.hero__scroll {
  position: absolute;
  bottom: var(--space-m);
  right: var(--container-pad);
  display: none;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

.hero__scroll-line {
  width: 1px;
  height: 46px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--tally);
  animation: scroll-line 2.4s var(--ease) infinite;
}

@keyframes scroll-line {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

@media (min-width: 700px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero__scroll {
    display: flex;
  }
}

/* ---------- Sobre ---------- */
.about__grid {
  display: grid;
  gap: var(--space-l);
  grid-template-columns: 1fr;
}

.about__portrait {
  aspect-ratio: 4 / 5;
  background:
    radial-gradient(120% 120% at 15% 0%, var(--sand) 0%, var(--sand-deep) 55%, #cfc4a6 100%);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  max-width: 380px;
}

.about__portrait::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(16, 15, 13, 0.14);
  pointer-events: none;
}

.about__monogram {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(4.5rem, 4rem + 4vw, 7rem);
  color: var(--ink);
  opacity: 0.85;
}

.about__portrait-caption {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.about__intro {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.1rem + 1vw, 1.85rem);
  line-height: 1.35;
  font-weight: 400;
}

.about__quote {
  border-left: 2px solid var(--tally);
  padding-left: var(--space-s);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink);
}

.about__quote cite {
  display: block;
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
}

.evolution {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.evolution__label {
  margin-bottom: var(--space-2xs);
}

.evolution__path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5em;
}

.evolution__start {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5em 0.9em;
  border: 1px solid var(--ink);
  border-radius: var(--radius-s);
}

.evolution__arrow {
  color: var(--stone);
  font-family: var(--font-mono);
}

.evolution__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
}

.evolution__tags li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.5em 0.9em;
  background: var(--sand);
  border-radius: var(--radius-s);
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .about__grid {
    grid-template-columns: 340px 1fr;
    align-items: start;
  }
}

/* ---------- Projetos ---------- */
.project-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.project-card {
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
}

.project-card__media {
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  --card-a: var(--sand);
  --card-b: var(--sand-deep);
  background: linear-gradient(155deg, var(--card-a) 0%, var(--card-b) 100%);
}

.project-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(16,15,13,0.35), transparent 45%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

.project-card:hover .project-card__media::after {
  opacity: 1;
}

.project-card__number {
  position: absolute;
  top: var(--space-s);
  left: var(--space-s);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.project-card__glyph {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(3rem, 8vw, 5rem);
  color: rgba(16, 15, 13, 0.16);
  transition: transform 0.6s var(--ease), color 0.6s var(--ease);
}

.project-card:hover .project-card__glyph {
  transform: scale(1.06);
  color: rgba(16, 15, 13, 0.24);
}

.project-card__body {
  padding: var(--space-m);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project-card__cat {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tally);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.9rem);
  font-weight: 400;
}

.project-card__desc {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 46ch;
}

.project-card__link {
  margin-top: var(--space-2xs);
}

.project-card__hit {
  position: absolute;
  inset: 0;
  z-index: 5;
}

@media (min-width: 760px) {
  .project-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Biblioteca de vídeos ---------- */
.video-embed {
  border: 1px solid var(--line);
  background: var(--ink);
  position: relative;
}

.video-embed__frame {
  aspect-ratio: 16 / 9;
  position: relative;
}

.video-embed__poster {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-s);
  text-align: center;
  padding: var(--space-m);
  background:
    radial-gradient(80% 100% at 50% 100%, rgba(138,46,38,0.18), transparent 60%),
    linear-gradient(160deg, #201e1a 0%, #100f0d 100%);
}

.video-embed__badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.video-embed__play {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 1px solid rgba(250, 249, 246, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.video-embed__play svg {
  width: 18px;
  height: 18px;
  fill: var(--paper);
  margin-left: 3px;
}

.video-embed__play:hover {
  background: var(--tally);
  border-color: var(--tally);
  transform: scale(1.06);
}

.video-embed__hint {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(250, 249, 246, 0.6);
  max-width: 34ch;
}

.video-embed__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--paper);
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-library__grid {
  display: grid;
  gap: var(--space-m);
  grid-template-columns: 1fr;
}

.video-library__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.video-library__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-xs);
}

.video-library__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

@media (min-width: 760px) {
  .video-library__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Ferramentas ---------- */
.tools__groups {
  display: grid;
  gap: var(--space-l);
  grid-template-columns: 1fr;
}

.tool-group__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tally);
  margin-bottom: var(--space-s);
  display: block;
}

.tool-list {
  border-top: 1px solid var(--line);
}

.tool-list__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-s);
  padding-block: var(--space-s);
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease), color 0.35s var(--ease);
}

.tool-list__item:hover {
  padding-left: var(--space-2xs);
  color: var(--tally);
}

.tool-list__name {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem);
}

.tool-list__use {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone);
  text-align: right;
}

@media (min-width: 860px) {
  .tools__groups {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Contato ---------- */
.contact {
  background: var(--ink);
  color: var(--paper);
}

.contact .eyebrow {
  color: var(--stone);
}

.contact__title {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--paper);
}

.contact__title em {
  font-style: italic;
  color: #c98177;
}

.contact__lede {
  color: rgba(250, 249, 246, 0.65);
}

.contact__grid {
  margin-top: var(--space-l);
  display: grid;
  gap: var(--space-m);
  grid-template-columns: 1fr;
}

.contact-item {
  padding-block: var(--space-m);
  border-top: 1px solid rgba(250, 249, 246, 0.18);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-s);
}

.contact-item:last-of-type {
  border-bottom: 1px solid rgba(250, 249, 246, 0.18);
}

.contact-item__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

.contact-item__value {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1rem + 1vw, 1.7rem);
}

.contact-item a.contact-item__value {
  transition: color 0.3s var(--ease);
}

.contact-item a.contact-item__value:hover {
  color: #c98177;
}

.contact__cta {
  margin-top: var(--space-l);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
  align-items: center;
}

.contact .btn-primary {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.contact .btn-primary:hover {
  background: var(--tally);
  border-color: var(--tally);
  color: var(--paper);
}

/* ---------- Rodapé ---------- */
.site-footer {
  padding-block: var(--space-m);
  background: var(--ink);
  color: rgba(250, 249, 246, 0.5);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Páginas de Case Study
   ========================================================================== */

.case-hero {
  padding-top: calc(var(--space-2xl) + var(--space-s));
  padding-bottom: var(--space-l);
  border-bottom: 1px solid var(--line);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: var(--space-l);
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}

.case-back:hover {
  gap: 0.85em;
  color: var(--tally);
}

.case-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s) var(--space-l);
  margin-bottom: var(--space-s);
}

.case-hero__meta span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tally);
}

.case-hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 1.8rem + 3.5vw, 4.6rem);
  line-height: 1.02;
  max-width: 16ch;
}

.case-hero__sub {
  margin-top: var(--space-s);
  max-width: 50ch;
}

.case-facts {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: 1fr;
}

.case-fact {
  background: var(--paper);
  padding: var(--space-m);
}

.case-fact__label {
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: var(--space-xs);
}

.case-fact__label-icon {
  font-size: 1rem;
}

.case-fact__label-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tally);
}

.case-fact__body {
  font-family: var(--font-body);
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 60ch;
}

@media (min-width: 760px) {
  .case-facts {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-strategy {
  padding: var(--space-l) 0;
}

.case-strategy__text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.1rem + 1vw, 1.9rem);
  line-height: 1.4;
  font-weight: 400;
  max-width: 32ch;
}

.decision-grid {
  display: grid;
  gap: var(--space-m);
  grid-template-columns: 1fr;
}

.decision-card {
  border-top: 1px solid var(--line);
  padding-top: var(--space-s);
}

.decision-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: var(--space-2xs);
  display: block;
}

.decision-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: var(--space-2xs);
}

.decision-card__text {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

@media (min-width: 980px) {
  .decision-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.result-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: 1fr;
}

.result-card {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-m);
}

.result-card__metric {
  display: flex;
  align-items: baseline;
  gap: 0.4em;
  margin-bottom: var(--space-xs);
}

.result-card__arrow {
  font-family: var(--font-display);
  font-style: italic;
  color: #c98177;
  font-size: 1.3rem;
}

.result-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

.result-card__text {
  font-size: 0.92rem;
  color: rgba(250, 249, 246, 0.72);
}

@media (min-width: 760px) {
  .result-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px) {
  .result-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.case-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-m);
  padding-block: var(--space-l);
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.case-nav__item {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
}

.case-nav__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1rem + 1.5vw, 1.8rem);
  color: var(--ink);
  margin-top: var(--space-2xs);
  display: block;
  transition: color 0.3s var(--ease);
}

.case-nav a:hover .case-nav__title {
  color: var(--tally);
}

.case-nav__next {
  text-align: right;
}

/* ---------- Utilidades ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }