/* ============================================================
   FERNANDO CAMPOS — PORTFOLIO
   Design tokens
   ============================================================ */

:root {
  /* Color */
  --paper:        #F7F4EE;   /* warm off-white, paper */
  --paper-deep:   #EFEAE0;   /* slightly darker for blocks */
  --ink:          #0E0E0E;   /* dense black */
  --ink-soft:     #1B1B1B;
  --muted:        #6B6660;   /* warm grey */
  --rule:         #1B1B1B;
  --rule-soft:    rgba(14, 14, 14, 0.12);

  --accent:       #1B3CFF;   /* electric ink blue — the one bold choice */
  --accent-deep:  #122BB8;
  --tech:         #0A6E3D;   /* deep green, used only in micro-labels */

  /* Type */
  --f-display: "Fraunces", "Times New Roman", Georgia, serif;
  --f-body:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Scale (clamped, fluid) */
  --t-h1: clamp(2.6rem, 7vw + 0.5rem, 6.4rem);
  --t-h2: clamp(1.8rem, 3.4vw + 0.5rem, 3.4rem);
  --t-h3: clamp(1.4rem, 1.6vw + 0.6rem, 2.0rem);
  --t-lede: clamp(1.05rem, 0.6vw + 0.85rem, 1.25rem);
  --t-body: 0.95rem;
  --t-small: 0.78rem;
  --t-xs: 0.72rem;

  /* Space (8pt-ish) */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2.5rem;
  --s-5: 4rem;
  --s-6: 6rem;
  --s-7: 9rem;
  --s-8: 12rem;

  /* Layout */
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --maxw: 1280px;
}

/* ============================================================
   Reset (focused)
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: 1.6;
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   Type — display & utility classes
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 400;            /* serifs sing at regular weight */
  font-variation-settings: "opsz" 144, "SOFT" 30;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}

/* Eyebrow label (mono, small caps) */
.eyebrow {
  font-family: var(--f-body);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tech);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow--light { color: var(--paper); opacity: 0.85; }
.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
.eyebrow--light .eyebrow__dot { background: var(--paper); }

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule-soft);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.mark__cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1.1em;
  background: var(--accent);
  transform: translateY(0.12em);
  animation: blink 1.05s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-size: var(--t-small);
}
.nav__links a {
  position: relative;
  padding: 0.25rem 0;
  letter-spacing: 0.02em;
}
.nav__links a:not(.nav__cta):hover { color: var(--accent); }
.nav__cta {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.nav__cta:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 640px) {
  .nav__links { gap: 1rem; }
  .nav__links li:nth-child(2),
  .nav__links li:nth-child(3) { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--s-6) var(--gutter) var(--s-5);
}
.hero__grid > * + * { margin-top: 1.5rem; }
.hero__h1 {
  font-size: var(--t-h1);
  font-variation-settings: "opsz" 144, "wght" 350, "SOFT" 40;
  max-width: 18ch;
  margin-top: 1.2rem !important;
}
.hero__accent {
  font-style: italic;
  font-variation-settings: "opsz" 144, "wght" 350, "SOFT" 100;
  color: var(--accent);
}
.hero__lede {
  max-width: 56ch;
  font-size: var(--t-lede);
  color: var(--ink-soft);
  line-height: 1.55;
}
.hero__cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2rem !important;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--f-body);
  font-size: var(--t-small);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: transform .12s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent); }
.btn--ghost { border: 1px solid var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

/* ============================================================
   Trusted by
   ============================================================ */
.trusted {
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: var(--s-4) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.trusted__label {
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem 0;
}
.trusted__list {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem 3rem;
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-variation-settings: "opsz" 144, "wght" 400;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.trusted__list li {
  position: relative;
  transition: color .2s ease;
}
.trusted__list li:hover { color: var(--accent); }

/* ============================================================
   Section heads
   ============================================================ */
.section-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--s-6) var(--gutter) var(--s-4);
}
.section-head__h2 {
  font-size: var(--t-h2);
  font-variation-settings: "opsz" 144, "wght" 380, "SOFT" 40;
  max-width: 22ch;
  margin-top: 1rem;
}

/* ============================================================
   Work / Cases
   ============================================================ */
.work { padding-bottom: var(--s-5); }

.case {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--s-5) var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  border-top: 1px solid var(--rule-soft);
}
.case__meta {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  font-family: var(--f-body);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.case__num {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-variation-settings: "opsz" 144, "wght" 400;
  color: var(--accent);
  letter-spacing: 0;
  text-transform: none;
}
.case__client { color: var(--ink); font-weight: 500; }

.case__title {
  font-size: var(--t-h3);
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 40;
  max-width: 24ch;
  margin-bottom: 1.2rem;
}
.case__lede {
  font-size: var(--t-lede);
  color: var(--ink-soft);
  max-width: 56ch;
  line-height: 1.55;
}

.case__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}
.case__stats--4 { grid-template-columns: repeat(4, 1fr); }
.case__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.case__stats strong {
  font-family: var(--f-display);
  font-variation-settings: "opsz" 144, "wght" 400;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.case__stats span {
  font-size: var(--t-xs);
  letter-spacing: 0.05em;
  color: var(--muted);
  line-height: 1.3;
}

.case__detail {
  font-size: var(--t-small);
  color: var(--ink-soft);
  margin-top: 1.5rem;
  max-width: 60ch;
}
.case__detail strong { color: var(--ink); }

/* PROMPT CARD (the signature element, per case) */
.prompt-card {
  margin-top: 2rem;
  border: 1px solid var(--rule-soft);
  background: var(--paper-deep);
  border-radius: 4px;
  padding: 1.4rem 1.5rem;
  display: grid;
  gap: 1rem;
}
.prompt-card__row {
  display: grid;
  gap: 0.35rem;
}
.prompt-card__label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.prompt-card__value {
  margin: 0;
  font-family: var(--f-display);
  font-variation-settings: "opsz" 144, "wght" 400;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--ink);
}
.prompt-card__value--small {
  font-family: var(--f-body);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
.prompt-card__row--gen .prompt-card__label { color: var(--accent); }
.prompt-card__row--gen {
  border-top: 1px dashed var(--rule-soft);
  padding-top: 1rem;
}

/* Case media galleries */
.case__media {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}
.case__media--gallery-4 {
  grid-template-columns: repeat(2, 1fr);
}
.case__media--gallery-4 img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}
.case__media--gallery-mixed {
  grid-template-columns: repeat(6, 1fr);
}
.case__media--gallery-mixed img {
  width: 100%;
  object-fit: cover;
}
.case__media--gallery-mixed img:nth-child(1) { grid-column: span 4; aspect-ratio: 3/2; }
.case__media--gallery-mixed img:nth-child(2) { grid-column: span 2; aspect-ratio: 2/3; }
.case__media--gallery-mixed img:nth-child(3) { grid-column: span 2; aspect-ratio: 2/3; }
.case__media--gallery-mixed img:nth-child(4) { grid-column: span 2; aspect-ratio: 3/2; }
.case__media--gallery-mixed img:nth-child(5) { grid-column: span 2; aspect-ratio: 1/1; }

/* Hero gallery: 1 big + small thumbs (used by Sebrae Imagens & Ilustrações cases) */
.case__media--hero {
  display: grid;
  gap: 0.6rem;
}
.case__media__hero {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
/* When the hero image is a 3:2 illustration (Sebrae Ilustrações) */
.case--reverse .case__media__hero {
  aspect-ratio: 3/2;
}
.case__media__tray {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}
.case__media__tray--4 {
  grid-template-columns: repeat(4, 1fr);
}
.case__media__tray img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  opacity: 0.92;
  transition: opacity .2s ease;
}
.case__media__tray img:hover { opacity: 1; }
/* In the illustration tray, items have different ARs — keep them visually consistent */
.case__media__tray--4 img {
  aspect-ratio: 1/1;
}

/* Portrait/single-image media (Vitória in Sanofi case) */
.case__media--portrait {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.8rem;
}
.case__media--portrait img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: var(--paper-deep);
}
.case__caption {
  font-size: var(--t-xs);
  letter-spacing: 0.05em;
  color: var(--muted);
  text-align: center;
  font-family: var(--f-body);
}

/* Text-only cases (no media) get wider body */
.case--text-only { grid-template-columns: 1fr; }
.case__body--full { max-width: 80ch; }

/* Layout: side-by-side for cases with media */
@media (min-width: 980px) {
  .case:not(.case--text-only) {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--s-5);
    align-items: start;
  }
  .case--reverse:not(.case--text-only) .case__body { order: 2; }
  .case--reverse:not(.case--text-only) .case__media { order: 1; }
  .case__meta { grid-column: 1 / -1; }
}

/* ============================================================
   Approach
   ============================================================ */
.approach {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: var(--s-5);
  margin-top: var(--s-5);
}
.approach .section-head { color: var(--paper); }
.approach .section-head__h2 { color: var(--paper); }
.approach .eyebrow { color: var(--paper); opacity: 0.7; }
.approach .eyebrow__dot { background: var(--accent); }

.approach__list {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.approach__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  grid-template-areas:
    "num title"
    ".   body";
  gap: 0.6rem 1.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.13);
  align-items: start;
}
.approach__item:last-child { border-bottom: 1px solid rgba(255,255,255,0.13); }
.approach__num {
  grid-area: num;
  font-family: var(--f-display);
  font-size: 2.2rem;
  font-variation-settings: "opsz" 144, "wght" 400;
  color: var(--accent);
  line-height: 1;
}
.approach__item h3 {
  grid-area: title;
  font-size: clamp(1.3rem, 1.6vw, 1.7rem);
  font-variation-settings: "opsz" 144, "wght" 380, "SOFT" 40;
  color: var(--paper);
  margin-bottom: 0.7rem;
  max-width: 30ch;
}
.approach__item p {
  grid-area: body;
  margin: 0;
  font-size: var(--t-body);
  color: rgba(247, 244, 238, 0.78);
  max-width: 64ch;
  line-height: 1.65;
}

@media (min-width: 800px) {
  .approach__list { grid-template-columns: repeat(2, 1fr); column-gap: 4rem; }
}

/* ============================================================
   About
   ============================================================ */
.about {
  padding-bottom: var(--s-5);
}
.about__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}
.about__bio p {
  font-size: var(--t-lede);
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 64ch;
}
.about__bio p + p { margin-top: 1.2rem; }
.about__bio em {
  font-family: var(--f-display);
  font-style: italic;
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 100;
  color: var(--accent);
}

.about__facts {
  background: var(--paper-deep);
  border-radius: 4px;
  padding: 1.8rem 1.8rem 2rem;
}
.about__portrait {
  margin: 0 0 1.6rem 0;
  border-radius: 2px;
  overflow: hidden;
}
.about__portrait img {
  width: 100%;
  aspect-ratio: 7/10;
  object-fit: cover;
  display: block;
  filter: grayscale(0.15) contrast(1.02);
  transition: filter .4s ease;
}
.about__portrait:hover img {
  filter: grayscale(0) contrast(1.02);
}
.about__facts dl {
  display: grid;
  gap: 1.2rem;
}
.about__facts div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  align-items: baseline;
}
.about__facts dt {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.about__facts dd {
  margin: 0;
  font-family: var(--f-display);
  font-size: 0.98rem;
  font-variation-settings: "opsz" 144, "wght" 400;
  color: var(--ink);
  line-height: 1.4;
}

@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1.4fr 1fr; gap: var(--s-5); }
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  background: var(--accent);
  color: var(--paper);
  padding: var(--s-6) var(--gutter);
}
.contact__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.contact__h2 {
  font-size: var(--t-h2);
  font-variation-settings: "opsz" 144, "wght" 380, "SOFT" 40;
  color: var(--paper);
  max-width: 24ch;
  margin: 1.2rem 0;
}
.contact__lede {
  font-size: var(--t-lede);
  color: rgba(247, 244, 238, 0.88);
  max-width: 56ch;
  margin: 0 0 var(--s-4) 0;
  line-height: 1.55;
}
.contact__channels {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.25);
}
.contact__link {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  transition: padding-left .2s ease;
}
.contact__link:hover { padding-left: 1rem; }
.contact__label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247, 244, 238, 0.7);
}
.contact__value {
  font-family: var(--f-display);
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  font-variation-settings: "opsz" 144, "wght" 400;
  color: var(--paper);
  letter-spacing: -0.01em;
}

/* ============================================================
   Colophon
   ============================================================ */
.colophon {
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-4) var(--gutter);
}
.colophon__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: 0.4rem;
}
.colophon__line {
  margin: 0;
  font-size: var(--t-small);
  line-height: 1.6;
}
.colophon__line--muted {
  color: rgba(247, 244, 238, 0.55);
}

/* ============================================================
   Nav active state (set by JS as you scroll)
   ============================================================ */
.nav__links a.is-active { color: var(--accent); }
.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}