/* ============================================================
   BLAK — Design System
   Silêncio · Respiro · Hierarquia clara · Luxo sem peso
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color — warm, low-contrast luxury. No pure black / white. */
  --carbon:    #23211d;
  --carbon-90: #2c2925;
  --linen:     #ede8de;
  --paper:     #f4f1ea;
  --stone:     #b3a793;   /* hairlines, decorative captions */
  --stone-ink: #6a6356;   /* readable secondary text */
  --plaster:   #d8d1c5;
  --wine:      #5c2a2e;
  --moss:      #36433a;
  --ink:       #23211d;

  /* Type */
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Rhythm */
  --gutter: clamp(1.5rem, 7vw, 9rem);
  --section: clamp(7rem, 14vw, 15rem);
  --maxw: 1440px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 900ms;

  --hairline: rgba(106, 99, 86, 0.28);
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv05";
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

p {
  text-wrap: pretty;
}

::selection { background: var(--wine); color: var(--paper); }

:focus-visible {
  outline: 1.5px solid var(--wine);
  outline-offset: 4px;
}

.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;
}

/* ---------- 3. Typography ---------- */
.display {
  font-weight: 200;
  font-size: clamp(3.25rem, 7vw, 7.5rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
}
.h1 {
  font-weight: 200;
  font-size: clamp(2.75rem, 5.5vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.h2 {
  font-weight: 300;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: 1.16;
  letter-spacing: -0.005em;
}
.h3 {
  font-weight: 400;
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  line-height: 1.3;
}
.lead {
  font-weight: 300;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.55;
  letter-spacing: -0.005em;
  max-width: 22ch;
}
.body-l { font-size: 1.25rem; line-height: 1.7; }
.prose { max-width: 62ch; }
.prose p + p { margin-top: 1.25em; }

.caption {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone-ink);
  line-height: 1.4;
}
.numeral {
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  color: var(--stone);
}

.measure { max-width: 52ch; }
.text-soft { color: var(--stone-ink); }
.text-wine { color: var(--wine); }

/* ---------- 4. Layout ---------- */
.shell { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(4rem, 8vw, 8rem); }

.bg-linen   { background: url('../assets/linen_texture.jpg') repeat var(--linen); }
.bg-paper   { background: var(--paper); }
.bg-plaster { background: var(--plaster); }
.bg-carbon  { background: url('../assets/carbon_texture.jpg') repeat var(--carbon); color: var(--linen); }
.bg-carbon .caption { color: var(--stone); }

.divider { height: 1px; background: var(--hairline); border: 0; }

/* ---------- 5. Navigation ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.1rem, 2vw, 1.9rem) var(--gutter);
  color: var(--linen);
  mix-blend-mode: difference;            /* logo reads on any image */
  transition: color 600ms var(--ease);
}
.nav__brand {
  /* the BLAK wordmark as a background image (file://-safe, unlike CSS mask).
     The art is carbon; invert(1) lifts it to linen so it reads under the
     nav's mix-blend-difference. .nav--solid drops the invert for the dark
     mark on the linen veil. The "BLAK" text node stays for screen readers. */
  display: block;
  width: 68px;
  height: 17px;
  background: url(assets/logo.png) left center / contain no-repeat;
  filter: invert(1);
  text-indent: -9999px;
  overflow: hidden;
  white-space: nowrap;
}
.nav__center { display: flex; gap: 1.6rem; }
.nav__switch {
  position: relative;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  padding-block: 0.4rem;
  opacity: 0.65;
  transition: opacity 400ms var(--ease);
}
.nav__switch[aria-current="page"] { opacity: 1; }
.nav__switch:hover { opacity: 1; }
.nav__links { display: flex; gap: 1.6rem; }
.nav__link {
  font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 500; opacity: 0.8; transition: opacity 400ms var(--ease);
}
.nav__link:hover { opacity: 1; }

.button-wine {
  background: transparent; color: var(--linen); border-radius: 10px; font-size: 0.74rem; letter-spacing: 0.16em; text-transform: 
  uppercase; padding: 0 10px; transition: background 400ms var(--ease);
}
.button-wine:hover { opacity: 0.8; }

.nav--solid {
  mix-blend-mode: normal;
  color: var(--carbon);
  background: rgba(244,241,234,0.86);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.nav--solid .nav__brand,
.nav--solid .nav__link,
.nav--solid .nav__switch { color: var(--carbon); }
.nav--solid .nav__brand { filter: none; }   /* dark mark on the linen veil */
.nav--solid .button-wine {
  background: var(--wine); color: var(--linen); border-radius: 10px; font-size: 0.74rem; letter-spacing: 0.16em; text-transform: 
  uppercase; padding: 0 10px; transition: background 400ms var(--ease);
}

@media (max-width: 820px) {
  /* keep mix-blend-difference so the brand stays legible on any hero image;
     .nav--solid still flips to the linen veil once scrolled past the hero */
  .nav__center { display: none; }
  .nav__links { gap: 1.1rem; }
}

/* Phone: scale the hero headline so forced line-breaks never clip,
   and tighten nav tracking so brand + both links fit a 390px bar. */
@media (max-width: 600px) {
  .display { font-size: clamp(2.25rem, 9.5vw, 3.4rem); }
  .h1 { font-size: clamp(2.1rem, 8.5vw, 3rem); }
  .nav { gap: 1rem; }
  .nav__brand { width: 60px; height: 15px; }
  .nav__link { letter-spacing: 0.1em; }
  .nav__links { gap: 0.95rem; }
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06);
  transition: transform 2.2s var(--ease);
}
.hero.is-loaded .hero__media img { transform: scale(1); }
.hero__media::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(35,33,29,0.55) 0%, rgba(35,33,29,60%) 40%, transparent 70%);
}
.hero__inner { position: relative; z-index: 2; color: var(--linen); padding-bottom: clamp(3rem, 7vw, 7rem); }
.hero__inner .caption { color: rgba(237,232,222,0.8); }
.hero h1 { color: var(--linen); margin-top: 0.5rem; max-width: 16ch; text-transform: uppercase;}
.hero__meta { margin-top: 2rem; display: flex; justify-content: space-between; align-items: end; gap: 2rem; }

.scroll-cue {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(237,232,222,0.75);
}
.scroll-cue::after {
  content: ""; width: 1px; height: 42px; background: rgba(237,232,222,0.5);
  animation: cue 2.4s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cue { 0%,100% { transform: scaleY(0.4); opacity: .4 } 50% { transform: scaleY(1); opacity: 1 } }
@media (prefers-reduced-motion: reduce) { .scroll-cue::after { animation: none; } }

.border-radius {
  border-radius: 10px;
}
/* ---------- 7. Figures / images ---------- */
.figure { display: block; overflow: hidden; position: relative; }  /* display:block — aspect-ratio is ignored on inline boxes, and .figure is sometimes an <a> */
.figure img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.4s var(--ease);
}
.figure--hover:hover img { transform: scale(1.045); }
.figcaption { margin-top: 1rem; display: flex; gap: 1.2rem; align-items: baseline; }

/* EXPERIMENTAL — organic "leaf" radius on framed images (remove to revert) */
.figure,
.founder__portrait {
  border-radius: 20px;
}

.ratio-portrait  { aspect-ratio: 3 / 4; }
.ratio-landscape { aspect-ratio: 3 / 2; }
.ratio-wide      { aspect-ratio: 16 / 9; }
.ratio-square    { aspect-ratio: 1 / 1; }

/* full-bleed silent interstitial */
.interstitial { height: 100svh; overflow: hidden; }
.interstitial img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 8. Manifesto ---------- */
.manifesto { display: grid; grid-template-columns: 1fr; gap: clamp(2rem,5vw,5rem); }
.manifesto__lead { font-weight: 200; font-size: clamp(1.9rem, 4vw, 3.4rem); line-height: 1.22; letter-spacing: -0.012em; max-width: 18ch; }
@media (min-width: 900px) {
  .manifesto { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
}

/* ---------- 9. Featured projects (editorial, asymmetric) ---------- */
.feature { display: grid; gap: clamp(4rem, 9vw, 10rem); }
.feature__item { display: grid; gap: 2rem; align-items: center; }
.feature__item .figure { width: 100%; }
@media (min-width: 900px) {
  .feature__item { grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); }
  .feature__item--right .feature__media { order: 2; }
  .feature__item--right .feature__body { order: 1; }
  .feature__item .figure { aspect-ratio: 4/5; }
  .feature__body { padding-inline: clamp(0rem, 3vw, 3rem); }
}
.feature__index { font-size: 0.8rem; letter-spacing: 0.16em; color: var(--stone); }
.feature__title { font-weight: 200; font-size: clamp(2rem, 3.6vw, 3.4rem); line-height: 1.08; margin: 1rem 0 0.6rem; letter-spacing: -0.015em; }

/* ---------- 10. Link / CTA ---------- */
.link {
  position: relative; display: inline-block;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500;
  padding-bottom: 0.45rem;
}
.link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--stone);
  transform: scaleX(1); transform-origin: left;
}
.link::before {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--wine);
  transform: scaleX(0); transform-origin: left;
  transition: transform 600ms var(--ease);
  z-index: 1;
}
.link:hover::before { transform: scaleX(1); }
.bg-carbon .link::after { background: var(--stone); }

.ghost {
  display: inline-block;
  padding: 1.1rem 2.4rem;
  border: 1px solid var(--hairline);
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500;
  transition: background 600ms var(--ease), color 600ms var(--ease), border-color 600ms var(--ease);
}
.ghost:hover { background: var(--linen); color: var(--carbon); border-color: var(--linen); }

/* ---------- 11. Disciplines (hover-reveal index) ---------- */
.index-list { border-top: 1px solid var(--hairline); }
.index-row {
  position: relative;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem;
  padding: clamp(1.6rem, 3.2vw, 2.8rem) 0;
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}
.index-row__title { font-weight: 300; font-size: clamp(1.5rem, 3vw, 2.6rem); letter-spacing: -0.01em; transition: transform 700ms var(--ease), color 700ms var(--ease); }
.index-row__no { font-size: 0.8rem; letter-spacing: 0.16em; color: var(--stone); }
.index-row__peek {
  position: absolute; right: 6rem; top: 50%; transform: translateY(-50%);
  width: clamp(120px, 16vw, 230px); aspect-ratio: 3/2; overflow: hidden;
  clip-path: inset(0 0 0 100%);
  transition: clip-path 800ms var(--ease);
  pointer-events: none;
}
.index-row__peek img { width: 100%; height: 100%; object-fit: cover; }
@media (hover: hover) and (min-width: 820px) {
  .index-row:hover .index-row__title { transform: translateX(1.2rem); color: var(--wine); }
  .index-row:hover .index-row__peek { clip-path: inset(0 0 0 0%); }
}

/* ---------- 12. Process (vertical score) ---------- */
.score { border-top: 1px solid var(--hairline); }
.score__step {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 5vw, 5rem);
  padding: clamp(2rem, 4vw, 3.4rem) 0;
  border-bottom: 1px solid var(--hairline);
}
.score__no { font-weight: 200; font-size: clamp(2rem, 4vw, 3.4rem); color: var(--stone); line-height: 1; min-width: 3ch; }
.score__title { font-weight: 300; font-size: clamp(1.4rem, 2.4vw, 2rem); margin-bottom: 0.6rem; }
.score__text { color: var(--stone-ink); }

/* ---------- 13. Founder ---------- */
.founder { display: grid; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.founder__portrait { aspect-ratio: 4/5; background: var(--plaster); overflow: hidden; position: relative; }
.founder__portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; display: block; }
.founder__portrait .placeholder {
  position: absolute; inset: 0; display: grid; place-content: center; gap: 0.5rem; text-align: center;
  color: var(--stone-ink);
}
.founder__quote { font-weight: 200; font-size: clamp(1.8rem, 3.4vw, 3rem); line-height: 1.22; letter-spacing: -0.012em; }
@media (min-width: 900px) { .founder { grid-template-columns: 0.8fr 1.2fr; } }

/* ---------- 14. Quote / testimonial ---------- */
.quote { text-align: center; max-width: 30ch; margin-inline: auto; }
.quote__mark { font-weight: 200; font-size: clamp(2rem,4vw,3.4rem); line-height: 1.25; letter-spacing: -0.01em; }
.quote__cite { margin-top: 2.5rem; }

/* ---------- 15. Footer (the one carbon moment) ---------- */
.footer { padding-block: clamp(5rem, 9vw, 9rem); }
.footer__top { display: grid; gap: 3rem; }
.footer__cta { font-weight: 200; font-size: clamp(2.4rem, 6vw, 5rem); line-height: 1.05; letter-spacing: -0.015em; max-width: 14ch; }
.footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; align-items: end; margin-top: clamp(3rem,7vw,6rem); }
.footer__meta { display: flex; gap: 1.6rem; flex-wrap: wrap; align-items: center; }
.footer .caption { color: rgba(179,167,147,0.85); }

/* ---------- 16. Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 80ms; }
.reveal-d2 { transition-delay: 160ms; }
.reveal-d3 { transition-delay: 240ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero__media img { transform: scale(1) !important; transition: none !important; }
}

/* ---------- 17. Landing portal ---------- */
.portal { height: 100svh; display: grid; grid-template-columns: 1fr 1fr; position: relative; overflow: hidden; }
.portal__side {
  position: relative; overflow: hidden; display: grid; align-items: end; justify-items: center;
  isolation: isolate;
}
.portal__media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.portal__media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.08);
  transition: transform 7s var(--ease), filter 900ms var(--ease);
}
.portal.is-loaded .portal__media img { transform: scale(1.0); }
.portal__side::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgba(35,33,29,0.5), rgba(35,33,29,0.12) 50%, rgba(35,33,29,0.28));
  transition: background 900ms var(--ease);
}
.portal__label {
  position: relative; z-index: 2; color: var(--linen); text-align: center;
  padding-bottom: clamp(4rem, 12vh, 9rem);
  transition: transform 900ms var(--ease);
}
.portal__kicker { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.8; }
.portal__name {
  font-weight: 200; font-size: clamp(1.7rem, 3vw, 3rem); letter-spacing: 0.04em; text-transform: uppercase;
  margin-top: 0.8rem; transition: letter-spacing 900ms var(--ease);
}
.portal__enter { margin-top: 1.4rem; opacity: 0; transform: translateY(8px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }

/* desktop hover choreography
   nth-of-type counts only the <a> sides (the .portal__top div is the grid's
   first child), so side 1 = Hospitality, side 2 = Residential. */
@media (hover: hover) and (min-width: 760px) {
  .portal { transition: grid-template-columns 1100ms var(--ease); }
  .portal:has(.portal__side:nth-of-type(1):hover) { grid-template-columns: 1.35fr 0.65fr; }
  .portal:has(.portal__side:nth-of-type(2):hover) { grid-template-columns: 0.65fr 1.35fr; }
  .portal__side:not(:hover) .portal__media img { filter: brightness(0.5) saturate(0.8); }
  /* the hovered world leans in with a slow, deliberate zoom */
  .portal__side:hover .portal__media img {
    transform: scale(1.06);
    transition: transform 1400ms var(--ease), filter 900ms var(--ease);
  }
  .portal:hover .portal__side:not(:hover)::after { background: rgba(35,33,29,0.55); }
  .portal__side:hover .portal__name { letter-spacing: 0.14em; }
  .portal__side:hover .portal__enter { opacity: 1; transform: none; }

  /* hovering the centre logo returns both worlds to their resting state:
     the grid re-balances on its own (no side is hovered), so we only need to
     undo the "neither side is hovered" dimming that would otherwise kick in. */
  /* especificidade acima da regra base .portal__logo (definida mais abaixo),
     senão o pointer-events: none dela venceria por ordem de origem */
  .portal .portal__logo { pointer-events: auto; }
  .portal:has(.portal__logo:hover) .portal__media img { filter: none; }
  .portal:has(.portal__logo:hover) .portal__side:not(:hover)::after {
    background: linear-gradient(to top, rgba(35,33,29,0.5), rgba(35,33,29,0.12) 50%, rgba(35,33,29,0.28));
  }
}

.portal__seam {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; z-index: 4;
  background: rgba(237,232,222,0.6); transform: translateX(-50%);
  transition: opacity 600ms var(--ease);
}
.portal__logo {
  position: absolute; z-index: 5; top: 50%; left: 50%; transform: translate(-50%,-50%);
  display: grid; place-items: center; text-align: center;
  width: clamp(108px, 14vw, 168px); height: clamp(108px, 14vw, 168px);
  background: var(--linen); color: var(--carbon);
  pointer-events: none;
}
.portal__logo-img { display: block; width: clamp(62px, 8vw, 96px); height: auto; margin-inline: auto; }
.portal__logo .sub { display: block; font-size: 0.56rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--stone-ink); margin-top: 0.55rem; }

.portal__top {
  position: absolute; z-index: 6; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between;
  padding: clamp(1.4rem,2.4vw,2rem) clamp(1.6rem,4vw,3rem);
  color: var(--linen); pointer-events: none;
}
.portal__top .caption { color: rgba(237,232,222,0.78); }

@media (max-width: 759px) {
  .portal { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .portal__seam { top: 50%; left: 0; right: 0; bottom: auto; width: auto; height: 1px; transform: translateY(-50%); }
  .portal__enter { opacity: 1; transform: none; }
  .portal__label { padding-bottom: clamp(2rem,6vh,4rem); }
}

/* ---------- 18. Generic grid helpers ---------- */
.stack-sm > * + * { margin-top: 1rem; }
.stack-md > * + * { margin-top: 1.6rem; }
.stack-lg > * + * { margin-top: 2.6rem; }
.flow-narrow { max-width: 720px; }
.center { text-align: center; }
.mt-cap { margin-top: 2.4rem; }

/* two-column editorial */
.split { display: grid; gap: clamp(2rem,5vw,5rem); }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; align-items: center; } }
.split--asym { }
@media (min-width: 900px) { .split--asym { grid-template-columns: 1.15fr 0.85fr; } }

/* gallery for project pages */
.gallery { display: grid; gap: clamp(1rem, 2vw, 2rem); grid-template-columns: 1fr; }
@media (min-width: 760px) { .gallery--2 { grid-template-columns: 1fr 1fr; } }
.gallery .figure { aspect-ratio: 3/2; }
.gallery .figure.tall { aspect-ratio: 3/4; }
.span-2 { grid-column: 1 / -1; }
.gallery .span-2 .figure, .gallery .figure.full { aspect-ratio: 16/9; }

/* project meta strip */
.meta-strip { display: grid; gap: 1.5rem 3rem; grid-template-columns: repeat(2,1fr); }
@media (min-width: 760px) { .meta-strip { grid-template-columns: repeat(4,1fr); } }
.meta-strip dt { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--stone-ink); margin-bottom: 0.4rem; }
.meta-strip dd { font-weight: 300; font-size: 1.05rem; }

/* swatches (design system page) */
.swatches { display: grid; gap: 1.5rem; grid-template-columns: repeat(2,1fr); }
@media (min-width: 700px) { .swatches { grid-template-columns: repeat(4,1fr); } }
.swatch__chip { aspect-ratio: 4/3; border: 1px solid var(--hairline); }
.swatch__name { margin-top: 0.8rem; font-weight: 400; }
.swatch__hex { font-size: 0.78rem; color: var(--stone-ink); letter-spacing: 0.04em; }

/* ---------- 18. Studio page ---------- */
/* moss accent — the studio's brand-identity green (used sparingly) */
.bg-moss { background: var(--moss); color: var(--linen); }
.bg-moss .caption { color: rgba(237,232,222,0.72); }
.text-moss { color: var(--moss); }

/* Strategy · Brand · Space — the three-discipline model */
.pillars { display: grid; gap: clamp(2.5rem,5vw,4rem); grid-template-columns: 1fr; }
@media (min-width: 820px) { .pillars { grid-template-columns: repeat(3,1fr); } }
.pillar { border-top: 1px solid var(--hairline); padding-top: 1.4rem; }
.pillar__no { font-weight: 200; font-size: clamp(1.2rem,2vw,1.5rem); color: var(--moss); letter-spacing: 0.02em; }
.pillar__title { font-weight: 300; font-size: clamp(1.6rem,2.6vw,2.2rem); margin: 0.8rem 0 0.7rem; }
.pillar__text { color: var(--stone-ink); max-width: 34ch; }

/* Team & strategic collaborators */
.team { display: grid; gap: clamp(2.4rem,3.5vw,3.6rem) clamp(2rem,4vw,3.4rem); grid-template-columns: 1fr; }
@media (min-width: 560px) { .team { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .team--3 { grid-template-columns: repeat(3,1fr); } .team--4 { grid-template-columns: repeat(4,1fr); } }
.member__photo { aspect-ratio: 4/5; overflow: hidden; background: var(--plaster); margin-bottom: 1.25rem; }
.member__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; display: block; transition: transform 1.4s var(--ease); }
.member:hover .member__photo img { transform: scale(1.04); }
.member__name { font-weight: 400; font-size: 1.08rem; letter-spacing: 0.01em; }
.member__role { display: block; margin-top: 0.3rem; }
.member__bio { color: var(--stone-ink); margin-top: 0.9rem; font-size: 0.95rem; line-height: 1.62; max-width: 46ch; }

/* Credential badges (white-on-black art; screen blend drops the black on carbon) */
.badges { display: flex; gap: clamp(1.6rem,3vw,2.8rem); align-items: center; flex-wrap: wrap; }
.badges img { height: clamp(38px,4vw,50px); width: auto; mix-blend-mode: screen; opacity: 0.92; }

/* ---------- 19. Blog (blog listing) ---------- */

/* Category filter — hairline chips, wine on the active one */
.chiprow { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  display: inline-block;
  padding: 0.55rem 1.15rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--stone-ink);
  transition: color 500ms var(--ease), border-color 500ms var(--ease), background 500ms var(--ease);
}
.chip:hover { color: var(--ink); border-color: var(--stone-ink); }
.chip[aria-pressed="true"] { background: var(--wine); border-color: var(--wine); color: var(--paper); }

/* Article cards */
.journal-grid { display: grid; gap: clamp(2.5rem, 4vw, 3.6rem) clamp(1.6rem, 3vw, 2.6rem); grid-template-columns: 1fr; }
@media (min-width: 760px)  { .journal-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1120px) { .journal-grid { grid-template-columns: repeat(3, 1fr); } }

.post-card { display: block; }
.post-card .figure { aspect-ratio: 3/2; margin-bottom: 1.4rem; }
.post-card__meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.55rem 0.9rem; }
.post-card__meta .caption { color: var(--stone-ink); }
.post-card__cat { color: var(--wine); }
.post-card__title {
  font-weight: 300;
  font-size: clamp(1.35rem, 1.9vw, 1.65rem);
  line-height: 1.24; letter-spacing: -0.008em;
  margin: 0.85rem 0 0.7rem;
  transition: color 600ms var(--ease);
}
.post-card:hover .post-card__title { color: var(--wine); }
.post-card__excerpt { color: var(--stone-ink); font-size: 0.98rem; line-height: 1.65; max-width: 42ch; }
.post-card__more {
  display: inline-block; margin-top: 1.1rem;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--stone-ink);
  transition: color 500ms var(--ease), transform 500ms var(--ease);
}
.post-card:hover .post-card__more { color: var(--wine); transform: translateX(4px); }

/* Featured post — the one article that gets the full editorial spread */
.post-featured { display: grid; gap: clamp(2rem, 4vw, 4rem); align-items: center; }
@media (min-width: 900px) {
  .post-featured { grid-template-columns: 1.1fr 0.9fr; }
  .post-featured .figure { aspect-ratio: 4/3; }
}
.post-featured .figure { aspect-ratio: 3/2; }
.post-featured__title {
  font-weight: 200;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  line-height: 1.1; letter-spacing: -0.015em;
  margin: 1rem 0 1.2rem;
}
.post-card--empty { color: var(--stone-ink); }

/* ---------- 20. Article (post detail) ---------- */
.article { max-width: 68ch; margin-inline: auto; }
.article > * + * { margin-top: 1.35em; }
.article p { color: var(--ink); }
.article h2 {
  font-weight: 300;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.2; letter-spacing: -0.008em;
  margin-top: clamp(3rem, 5vw, 4.5rem);
}
.article h3 {
  font-weight: 400;
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.3;
  margin-top: clamp(2rem, 3vw, 2.6rem);
}
.article ul, .article ol { padding-left: 1.2rem; color: var(--stone-ink); }
.article li + li { margin-top: 0.6rem; }
.article li::marker { color: var(--stone); }
.article strong { font-weight: 500; }
.article a:not(.link):not(.ghost) {
  border-bottom: 1px solid var(--stone);
  transition: border-color 500ms var(--ease), color 500ms var(--ease);
}
.article a:not(.link):not(.ghost):hover { color: var(--wine); border-color: var(--wine); }
.article blockquote {
  margin-block: clamp(2.5rem, 4vw, 3.5rem);
  padding-left: clamp(1.4rem, 3vw, 2.4rem);
  border-left: 1px solid var(--stone);
  font-weight: 200;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.3; letter-spacing: -0.01em;
}
.article figure { margin-block: clamp(2.5rem, 4vw, 3.5rem); }
.article figure .figure { aspect-ratio: 3/2; }

/* Breadcrumb + byline share the article's measure so nothing floats loose */
.article-head { max-width: 68ch; margin-inline: auto; }

/* Byline strip under the hero */
.article__meta {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.6rem 1.6rem;
  padding-block: 1.2rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.article__meta .caption { color: var(--stone-ink); }

/* Takeaways — the quiet plaster block inside a long read */
.callout {
  background: var(--plaster);
  border-radius: 20px;
  padding: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-block: clamp(2.5rem, 4vw, 3.5rem);
}
.callout ul { padding-left: 1.1rem; color: var(--ink); margin-top: 1.1rem; }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--stone-ink);
  border: 1px solid var(--hairline); border-radius: 999px;
  padding: 0.4rem 0.9rem;
}

/* Author card */
.author-card { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.2rem, 3vw, 2.2rem); align-items: center; }
.author-card__photo { width: clamp(76px, 10vw, 108px); aspect-ratio: 1/1; border-radius: 50%; overflow: hidden; background: var(--plaster); }
.author-card__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }

/* ---------- 21. Contact / studio-visit form (footer) ---------- */
/* Lives inside the carbon footer: no boxes, no fills — fields are hairlines
   that brighten on focus, in the same register as .link and .index-row. */
.contact {
  display: grid;
  gap: clamp(2.4rem, 5vw, 4.5rem);
  /* .footer__top is itself a grid with a 3rem gap — the hairline + padding
     is all the extra separation this block needs */
  padding-top: clamp(2.6rem, 5vw, 4rem);
  border-top: 1px solid rgba(179,167,147,0.26);
}
@media (min-width: 960px) { .contact { grid-template-columns: 0.85fr 1.15fr; } }
.contact__lede {
  font-weight: 300; font-size: clamp(1.15rem, 1.7vw, 1.4rem); line-height: 1.55;
  max-width: 26ch; margin-top: 1rem; color: rgba(237,232,222,0.86);
}
.contact__aside { margin-top: clamp(1.8rem, 3vw, 2.6rem); }
.contact__aside .caption { margin-top: 0.9rem; }

.form { color-scheme: dark; }
/* wine reads almost black on carbon — the focus ring switches to stone here */
.form :focus-visible { outline: 1.5px solid var(--stone); outline-offset: 3px; }

/* intent switch — two quiet words, not a pair of buttons */
.form__modes {
  border: 0; padding: 0; margin: 0 0 clamp(2rem, 3.5vw, 2.8rem);
  display: flex; flex-wrap: wrap; gap: 1rem 2.4rem;
}
.mode { position: relative; cursor: pointer; }
.mode input { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.mode span {
  display: inline-block; padding-bottom: 0.5rem;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500;
  color: rgba(237,232,222,0.48);
  border-bottom: 1px solid transparent;
  transition: color 600ms var(--ease), border-color 600ms var(--ease);
}
.mode:hover span { color: rgba(237,232,222,0.8); }
.mode input:checked + span { color: var(--linen); border-bottom-color: var(--stone); }
.mode input:focus-visible + span { outline: 1.5px solid var(--stone); outline-offset: 4px; }

.form__grid { display: grid; gap: clamp(1.4rem, 2.6vw, 1.9rem); }
@media (min-width: 620px) { .form__grid { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.5rem; }
.field--wide { grid-column: 1 / -1; }
.field > label {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--stone);
}
.field > label .opt { text-transform: none; letter-spacing: 0.04em; color: rgba(179,167,147,0.6); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-weight: 300; color: var(--linen);
  background: transparent; border: 0; border-radius: 0;
  border-bottom: 1px solid rgba(179,167,147,0.32);
  padding: 0.55rem 0;
  transition: border-color 600ms var(--ease);
}
.field textarea { resize: vertical; min-height: 3.4rem; line-height: 1.65; }
.field input:hover, .field select:hover, .field textarea:hover { border-bottom-color: rgba(179,167,147,0.55); }
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: var(--linen); }
.field input::placeholder, .field textarea::placeholder { color: rgba(237,232,222,0.3); }
.field select {
  appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 1.6rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23b3a793' stroke-width='1.2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.15rem center; background-size: 10px 6px;
}
.field select option { background: var(--carbon); color: var(--linen); }
.field input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); opacity: 0.5; cursor: pointer; }

/* the visit fields unfold only when that intent is chosen (JS adds
   .is-collapsed on load, so with JS off every field stays reachable) */
.form__visit {
  display: grid; grid-template-rows: 1fr;
  margin-top: clamp(1.4rem, 2.6vw, 1.9rem);
  transition: grid-template-rows 700ms var(--ease), opacity 500ms var(--ease), margin-top 700ms var(--ease);
}
.form__visit > div { overflow: hidden; overflow: clip; overflow-clip-margin: 6px; }
.form__visit.is-collapsed { grid-template-rows: 0fr; opacity: 0; margin-top: 0; }

.form__actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem;
  margin-top: clamp(2rem, 3.5vw, 2.8rem);
}
.bg-carbon .ghost { border-color: rgba(179,167,147,0.45); }
.form.is-sending .ghost { opacity: 0.45; pointer-events: none; }
.form__note {
  font-size: 0.72rem; line-height: 1.5; letter-spacing: 0.03em;
  color: rgba(179,167,147,0.75); max-width: 32ch;
}
.form__status {
  margin-top: 1.2rem; font-size: 0.82rem; font-weight: 300; letter-spacing: 0.02em;
  color: rgba(237,232,222,0.85); min-height: 1.4em;
}
.form__status[data-state="error"] { color: #d9a7a2; }

@media (prefers-reduced-motion: reduce) {
  .form__visit { transition: none; }
}

/* ---------- 22. Related projects (foot of a project detail page) ---------- */
/* Same register as .post-card, tuned for a shorter card: image, name, one line
   of place + area. Sits on a light ground so the wine hover still reads. */
.related-grid {
  display: grid;
  gap: clamp(2.2rem, 3.6vw, 3.2rem) clamp(1.4rem, 2.6vw, 2.2rem);
  grid-template-columns: 1fr;
}
@media (min-width: 680px)  { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }

.related-card { display: block; }
.related-card .figure { aspect-ratio: 4/3; }
.related-card__title {
  font-weight: 300;
  font-size: clamp(1.2rem, 1.7vw, 1.45rem);
  line-height: 1.24; letter-spacing: -0.008em;
  margin: 1.1rem 0 0.5rem;
  transition: color 600ms var(--ease);
}
.related-card:hover .related-card__title { color: var(--wine); }
.related-card__meta { font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--stone-ink); }
.related-card__more {
  display: inline-block; margin-top: 0.9rem;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--stone-ink);
  transition: color 500ms var(--ease), transform 500ms var(--ease);
}
.related-card:hover .related-card__more { color: var(--wine); transform: translateX(4px); }

/* ---------- 23. Sticky call-to-action ---------- */
/* A carbon pill that rises once the hero is behind the visitor and steps
   aside again as the footer arrives — blak.js adds and drops .show.
   Sits under the nav (z 100) so the two never collide. */
#sticky {
  position: fixed;
  left: 50%;
  bottom: clamp(1.1rem, 2.6vw, 2.2rem);
  z-index: 90;
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.6vw, 1.3rem);
  padding: 0.8rem;
  border: 1px solid rgba(179, 167, 147, 0.22);
  border-radius: 999px;
  background: rgba(35, 33, 29, 0.9);
  backdrop-filter: saturate(120%) blur(10px);
  color: var(--linen);
  box-shadow: 0 18px 40px -24px rgba(35, 33, 29, 0.7);
  /* resting state: just below the fold, out of the tab order */
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, calc(100% + 2rem));
  transition: opacity 700ms var(--ease), transform 700ms var(--ease),
              visibility 0s linear 700ms;
}
#sticky.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition-delay: 0s;
}

.sticky-note {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  color: rgba(237, 232, 222, 0.72);
  white-space: nowrap;
}
.sticky-sep {
  width: 1px;
  align-self: stretch;
  margin-block: 0.15rem;
  background: rgba(179, 167, 147, 0.28);
}
/* the button carries .button-wine; here it reads filled, as it does on
   the linen veil of .nav--solid */
#sticky .sticky-btn {
  background: var(--wine);
  color: var(--linen);
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  line-height: 1;
  white-space: nowrap;
  transition: background 500ms var(--ease), opacity 500ms var(--ease);
}
#sticky .sticky-btn:hover { opacity: 1; background: #6d3338; }

/* Per-breakpoint switches, set in config.php */
@media (min-width: 821px) { #sticky.sticky--no-desktop { display: none; } }
@media (max-width: 820px) { #sticky.sticky--no-mobile  { display: none; } }

@media (max-width: 820px) {
  #sticky { padding-left: 1.2rem; gap: 0.85rem; }
  .sticky-note { font-size: 0.66rem; letter-spacing: 0.13em; }
  #sticky .sticky-btn { padding: 0.7rem 1.15rem; font-size: 0.7rem; letter-spacing: 0.13em; }
}
/* a phone has no room for the line of copy — the button says it */
@media (max-width: 520px) {
  #sticky { padding: 0.45rem; }
  /* .sticky-note, .sticky-sep { display: none; } */
}

@media (prefers-reduced-motion: reduce) {
  #sticky { transition: opacity 300ms linear, visibility 0s linear 300ms; transform: translate(-50%, 0); }
}

#form-contact {
  scroll-margin-top: 8rem; /* offset for the sticky nav */
}