/* ============================================================
   SROKOWSKI DESIGN — v2 design system
   Pure CSS, no framework. Fonts: Fraunces / Inter / IBM Plex Mono
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --ink: #0c1a30;        /* deep navy — primary */
  --ink-deep: #081222;   /* darker navy — footer/sections */
  --paper: #f6f2ea;      /* warm white — background */
  --paper-dim: #ebe5d8;  /* warm stone — alt background */
  --brass: #c9a36a;      /* brass accent */
  --brass-dark: #a8854f; /* brass on light bg (contrast) */
  --slate: #4b5366;      /* body text */
  --line: rgba(12, 26, 48, 0.12);
  --line-light: rgba(246, 242, 234, 0.16);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
/* no scroll-behavior:smooth here — it fights with Lenis and causes scroll jank;
   smooth anchor scrolling is handled by Lenis in main.js */
html { -webkit-text-size-adjust: 100%; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--slate);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--brass); color: var(--ink); }

/* ---------- Paper grain (subtle, fixed overlay) ---------- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  opacity: 0.035;
  /* promote to its own GPU layer so it doesn't repaint on every scroll frame */
  transform: translateZ(0);
  will-change: transform;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 480;
  color: var(--ink);
  line-height: 1.04;
  letter-spacing: -0.015em;
}

.h-hero  { font-size: clamp(3rem, 9.5vw, 8.5rem); }
.h-1     { font-size: clamp(2.6rem, 6vw, 5rem); }
.h-2     { font-size: clamp(2rem, 4.2vw, 3.4rem); }
.h-3     { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }

.italic-accent { font-style: italic; color: var(--brass-dark); }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.65;
  max-width: 36em;
}

/* Technical label — architect's annotation style */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--brass-dark);
}
.eyebrow--tick::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--brass);
  vertical-align: middle;
  margin-right: 12px;
}

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

/* ---------- Layout ---------- */
.container {
  width: min(100% - 3rem, 1280px);
  margin-inline: auto;
}
.container--wide { width: min(100% - 3rem, 1480px); margin-inline: auto; }

.section { padding-block: clamp(5rem, 12vh, 9rem); }

.rule { width: 64px; height: 1px; background: var(--brass); border: 0; }

/* Dark section variant */
.section--ink { background: var(--ink); color: rgba(246, 242, 234, 0.78); }
.section--ink h1, .section--ink h2, .section--ink h3, .section--ink .display { color: var(--paper); }
.section--ink .eyebrow { color: var(--brass); }

/* ---------- Blueprint grid backdrop (for dark sections / hero) ---------- */
.blueprint {
  position: relative;
  isolation: isolate;
}
.blueprint::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-light) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 30%, transparent 75%);
  opacity: 0.5;
}
.blueprint--light::before {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  opacity: 0.35;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.05rem 1.9rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 999px;
  overflow: hidden;
  transition: color 0.35s var(--ease-out);
}
.btn .btn__label { position: relative; z-index: 1; }
.btn .btn__arrow { position: relative; z-index: 1; transition: transform 0.35s var(--ease-out); }
.btn:hover .btn__arrow { transform: translateX(5px); }

/* fill swipe on hover */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s var(--ease-out);
}
.btn:hover::before { transform: scaleY(1); }

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary::before { background: var(--brass); }
.btn--primary:hover { color: var(--ink); }

.btn--ghost { box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); }
.btn--ghost::before { background: var(--ink); }
.btn--ghost:hover { color: var(--paper); }

.btn--ghost-light { box-shadow: inset 0 0 0 1px rgba(246,242,234,0.4); color: var(--paper); }
.btn--ghost-light::before { background: var(--paper); }
.btn--ghost-light:hover { color: var(--ink); }

/* ---------- Links ---------- */
.link-line {
  position: relative;
  padding-bottom: 3px;
}
.link-line::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}
.link-line:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: transform 0.5s var(--ease-out), background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header.is-scrolled {
  background: rgba(246, 242, 234, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__logo img { height: 48px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 2.4rem; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.site-nav a.is-active { color: var(--brass-dark); }
.site-nav .btn { padding: 0.7rem 1.3rem; font-size: 0.68rem; }
/* .site-nav a sets ink text — restore button colors (light text on dark, swap on hover) */
.site-nav a.btn--primary { color: var(--paper); }
.site-nav a.btn--primary:hover { color: var(--ink); }

/* Burger */
.burger {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  z-index: 210;
}
.burger span {
  position: absolute;
  left: 10px; right: 10px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.4s var(--ease-out), opacity 0.3s, background 0.3s;
}
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 26px; }
.burger.is-open span { background: var(--paper); }
.burger.is-open span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* Mobile menu — full screen overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 0.6s var(--ease-out), visibility 0s 0.6s;
}
.mobile-menu.is-open {
  clip-path: inset(0 0 0% 0);
  visibility: visible;
  transition: clip-path 0.6s var(--ease-out), visibility 0s;
}
.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 9vw, 3.4rem);
  color: var(--paper);
  line-height: 1.35;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s var(--ease-out);
}
.mobile-menu.is-open a { opacity: 1; transform: none; }
.mobile-menu.is-open a:nth-child(1) { transition-delay: 0.10s; }
.mobile-menu.is-open a:nth-child(2) { transition-delay: 0.16s; }
.mobile-menu.is-open a:nth-child(3) { transition-delay: 0.22s; }
.mobile-menu.is-open a:nth-child(4) { transition-delay: 0.28s; }
.mobile-menu.is-open a:nth-child(5) { transition-delay: 0.34s; }
.mobile-menu__meta {
  position: absolute;
  bottom: 2rem; left: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(246,242,234,0.45);
}

@media (max-width: 860px) {
  .site-nav { display: none; }
  .burger { display: block; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-deep);
  color: rgba(246, 242, 234, 0.72);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  gap: 3rem;
  padding-block: 5rem;
}
@media (max-width: 860px) { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer__logo img { height: 88px; width: auto; filter: invert(1); }
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.4rem;
}
.site-footer ul { display: grid; gap: 0.7rem; font-size: 0.92rem; }
.site-footer a:hover { color: var(--brass); }
.site-footer__bar {
  border-top: 1px solid var(--line-light);
  padding-block: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(246,242,234,0.42);
}

/* ---------- Custom cursor ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  z-index: 9500;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--brass-dark);
}
.cursor-ring {
  width: 38px; height: 38px;
  border: 1px solid rgba(168, 133, 79, 0.55);
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out),
              background 0.3s, border-color 0.3s;
}
.cursor-ring.is-hover {
  width: 64px; height: 64px;
  background: rgba(201, 163, 106, 0.12);
  border-color: var(--brass);
}
.has-cursor, .has-cursor a, .has-cursor button { cursor: none; }
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---------- Page transition curtain ---------- */
.curtain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--ink);
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.curtain__mark {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--brass);
  opacity: 0;
}

/* ---------- Motion initial states ----------
   Applied only when JS + motion are available (html.has-motion),
   so content is never hidden without JS. */
.has-motion [data-reveal] { opacity: 0; transform: translateY(36px); }
.has-motion [data-reveal="fade"] { transform: none; }
/* padding-bottom + negative margin keep descenders (g, y, p) inside the
   overflow mask without adding visual space between lines */
.has-motion .split-line { overflow: hidden; display: block; padding-bottom: 0.14em; margin-bottom: -0.14em; }
.has-motion .split-line > .split-inner { display: block; transform: translateY(130%); }

/* SVG drawing — strokes hidden until drawn by JS */
.draw-svg path, .draw-svg line, .draw-svg polyline, .draw-svg rect, .draw-svg circle {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.draw-svg .stroke-brass { stroke: var(--brass-dark); }
.draw-svg .stroke-thin { stroke-width: 1; }
.draw-svg--light path, .draw-svg--light line, .draw-svg--light polyline,
.draw-svg--light rect, .draw-svg--light circle { stroke: rgba(246,242,234,0.85); }
.draw-svg--light .stroke-brass { stroke: var(--brass); }
/* proposed elements: architect's dashed convention — fade in after solid lines */
.draw-svg .proposed { stroke-dasharray: 7 7; }
.has-motion .draw-svg .proposed,
.has-motion .draw-svg .annotation { opacity: 0; }
.draw-svg .annotation-text {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  fill: var(--brass-dark);
  stroke: none;
}
.draw-svg--light .annotation-text { fill: var(--brass); }

/* ---------- Stats / counters ---------- */
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.8rem);
  color: var(--ink);
  line-height: 1;
}
.section--ink .stat__num { color: var(--paper); }
.stat__num sup { font-size: 0.45em; color: var(--brass-dark); }
.section--ink .stat__num sup { color: var(--brass); } /* contrast on dark */
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 0.8rem;
}

/* ---------- Marquee (scrolling strip) ---------- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-block: 1px solid var(--line);
  padding-block: 1.1rem;
}
.marquee__track { display: inline-block; will-change: transform; }
.marquee__track span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--slate);
  padding-inline: 2.2rem;
}
.marquee__track span::after { content: '·'; color: var(--brass); margin-left: 4.4rem; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-h);
}
.scroll-hint {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--brass-dark);
}
.scroll-hint::after {
  content: '';
  width: 1px;
  height: 56px;
  background: linear-gradient(var(--brass), transparent);
  animation: hint-drop 2.2s var(--ease-out) infinite;
}
@keyframes hint-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Service cards ---------- */
.service-card {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 2.4rem 0.2rem 2.6rem;
  transition: padding 0.4s var(--ease-out);
}
.service-card::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  height: 1px; width: 100%;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--brass-dark);
}
.service-card h3 { margin-top: 1.1rem; }
.service-card p { margin-top: 0.9rem; font-size: 0.93rem; max-width: 30em; }
.service-card__more {
  display: inline-block;
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s var(--ease-out);
}
.service-card:hover .service-card__more { opacity: 1; transform: none; }

/* ---------- Project cards ---------- */
.project-card { display: block; }
.project-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-dim);
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 1s var(--ease-out);
}
.project-card:hover .project-card__media img { transform: scale(1.09); }
.project-card .eyebrow { margin-top: 1.4rem; }
.project-card h3 { margin-top: 0.5rem; transition: color 0.3s ease; }
.project-card:hover h3 { color: var(--brass-dark); }
.project-card p { margin-top: 0.5rem; font-size: 0.9rem; }

/* ---------- Process steps ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.2rem;
}
@media (max-width: 860px) { .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .process { grid-template-columns: 1fr; } }
.process__step { border-top: 1px solid var(--line); padding-top: 1.3rem; }
.process__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--brass-dark);
}
.process__step h3 { font-size: 1.25rem; margin-top: 0.7rem; }
.process__step p { font-size: 0.88rem; margin-top: 0.5rem; }

/* ---------- Project register (drawing-register style list) ---------- */
.register__row {
  position: relative;
  display: grid;
  grid-template-columns: 84px 1fr auto auto;
  gap: 1.5rem;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding: 2.2rem 0.2rem;
}
.register__row:last-child { border-bottom: 1px solid var(--line); }
.register__row::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  height: 1px; width: 100%;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.register__row:hover::before { transform: scaleX(1); }
.register__idx {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--brass-dark);
}
.register__title {
  display: block; /* span by default — transform needs a block box */
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  color: var(--ink);
  line-height: 1.1;
  transition: transform 0.45s var(--ease-out), color 0.3s ease;
}
a.register__row:hover .register__title { transform: translateX(14px); color: var(--brass-dark); }
.register__meta {
  display: flex;
  gap: 0.6rem 1.6rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}
.register__arrow {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--brass-dark);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.4s ease, transform 0.4s var(--ease-out);
}
a.register__row:hover .register__arrow { opacity: 1; transform: none; }
.register__row--soon { opacity: 0.55; }
.register__thumb { display: none; }
@media (max-width: 860px) {
  .register__row { grid-template-columns: 1fr auto; }
  .register__idx { grid-column: 1 / -1; }
  .register__thumb {
    display: block;
    grid-column: 1 / -1;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    width: 100%;
    margin-top: 1rem;
  }
}

/* Inline hover thumbnail — a row-height picture that wipes in beside the title.
   Desktop only; on mobile rows show a full-width .register__thumb instead. */
.register__pic { display: none; }
@media (min-width: 861px) {
  .register__pic {
    display: block;
    width: 168px;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    align-self: center;
    clip-path: inset(0 100% 0 0);
    transform: translateX(18px);
    transition: clip-path 0.55s var(--ease-out), transform 0.55s var(--ease-out);
  }
  .register__pic img {
    width: 100%; height: 100%;
    object-fit: cover;
    transform: scale(1.3);
    transition: transform 0.9s var(--ease-out);
  }
  .register__row:hover .register__pic { clip-path: inset(0 0 0 0); transform: none; }
  .register__row:hover .register__pic img { transform: scale(1); }
}

/* ---------- Title block (architect's drawing sheet header) ---------- */
.title-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.title-block > div { background: var(--paper); padding: 1.2rem 1.4rem; }
.title-block dt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--brass-dark);
}
.title-block dd {
  margin: 0.45rem 0 0;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink);
}

/* ---------- Drawing sheet cards ---------- */
.sheet {
  background: #fcfaf5;
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(12,26,48,0.04);
}
.sheet__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.3rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}
.sheet__head .sheet__no { color: var(--brass-dark); }
.sheet__body { padding: clamp(1rem, 3vw, 2.2rem); }
.sheet__body img { width: 100%; height: auto; background: #fff; cursor: zoom-in; }
.sheet__foot {
  padding: 0.8rem 1.3rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--slate);
}
/* sheet on dark sections */
.section--ink .sheet { border-color: rgba(246,242,234,0.16); box-shadow: 0 18px 50px rgba(0,0,0,0.35); }

/* Sheet + notes layout */
.sheet-row {
  display: grid;
  grid-template-columns: 4fr 7fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.sheet-row--flip { grid-template-columns: 7fr 4fr; }
.sheet-row--flip .sheet-row__notes { order: 2; }
.sheet-row--flip .sheet { order: 1; }
@media (max-width: 960px) {
  .sheet-row, .sheet-row--flip { grid-template-columns: 1fr; }
  .sheet-row--flip .sheet-row__notes { order: 1; }
  .sheet-row--flip .sheet { order: 2; }
}
.note-list { display: grid; gap: 0.85rem; margin-top: 1.6rem; }
.note-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.92rem;
  line-height: 1.6;
}
.note-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.62em;
  width: 14px; height: 1px;
  background: var(--brass);
}
.note-list strong { color: var(--ink); font-weight: 600; }
.section--ink .note-list strong { color: var(--paper); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9400;
  background: rgba(8, 18, 34, 0.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0s 0.35s;
  cursor: zoom-out;
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.35s ease, visibility 0s;
}
.lightbox img {
  max-width: 100%;
  max-height: 82vh;
  background: #fff;
  box-shadow: 0 30px 90px rgba(0,0,0,0.5);
}
.lightbox__caption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  text-align: center;
}
.lightbox__close {
  position: absolute;
  top: 1.4rem; right: 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--paper);
}
.lightbox__close:hover { color: var(--brass); }

/* ---------- Next project nav ---------- */
.next-project {
  display: block;
  border-top: 1px solid var(--line);
  padding-block: clamp(3.5rem, 8vh, 6rem);
}
.next-project .eyebrow { margin-bottom: 1rem; }
.next-project__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  color: var(--ink);
  line-height: 1.05;
  transition: transform 0.5s var(--ease-out), color 0.3s ease;
}
.next-project:hover .next-project__title { transform: translateX(18px); color: var(--brass-dark); }
.next-project__arrow {
  display: inline-block;
  margin-left: 1rem;
  color: var(--brass-dark);
  transition: transform 0.5s var(--ease-out);
}
.next-project:hover .next-project__arrow { transform: translateX(12px); }

/* ---------- Section heading row ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* ---------- Services accordion ---------- */
.acc__item { border-top: 1px solid var(--line); }
.acc__item:last-child { border-bottom: 1px solid var(--line); }
.acc__head {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 84px 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 2rem 0.2rem;
  text-align: left;
}
.acc__head::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  height: 1px; width: 100%;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.acc__item:hover .acc__head::before,
.acc__item.is-open .acc__head::before { transform: scaleX(1); }
.acc__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--brass-dark);
}
.acc__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  color: var(--ink);
  line-height: 1.1;
  transition: color 0.3s ease;
}
.acc__item.is-open .acc__title { color: var(--brass-dark); }
.acc__icon {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--brass-dark);
  display: inline-block;
  transition: transform 0.45s var(--ease-out);
}
.acc__item.is-open .acc__icon { transform: rotate(45deg); }
.acc__panel { height: 0; overflow: hidden; }
.acc__panel-inner {
  padding: 0 0.2rem 2.4rem calc(84px + 1.5rem);
  max-width: 46em;
  display: grid;
  gap: 1rem;
}
.acc__panel-inner .eyebrow { font-size: 0.64rem; }
@media (max-width: 700px) {
  .acc__head { grid-template-columns: 1fr auto; }
  .acc__num { grid-column: 1 / -1; }
  .acc__panel-inner { padding-left: 0.2rem; }
}

/* ---------- Forms (contact sheet) ---------- */
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.field-label .optional { color: var(--slate); opacity: 0.7; }
.field-input, .field-textarea, .field-select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(12, 26, 48, 0.25);
  border-radius: 0;
  padding: 0.65rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  transition: border-color 0.25s ease;
}
.field-textarea { resize: vertical; min-height: 130px; }
.field-input:focus, .field-textarea:focus, .field-select:focus {
  outline: none;
  border-bottom-color: var(--brass);
}
.field-select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%230c1a30' stroke-width='1.5' fill='none' stroke-linecap='square'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 2rem;
  cursor: pointer;
}
.form-grid-2 { display: grid; gap: 2.2rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 700px) { .form-grid-2 { grid-template-columns: 1fr; } }
/* Honeypot — hidden from users, visible to bots */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}
.form-status { padding: 1.2rem 1.4rem; border: 1px solid; font-size: 0.92rem; }
.form-status--ok { border-color: var(--brass); background: var(--paper-dim); color: var(--ink); }
.form-status--err { border-color: #c45248; background: #fbeeec; color: #8c2f23; }
.form-status.hidden { display: none; }

/* ---------- Testimonial quote cards ---------- */
.quote-card {
  position: relative;
  border-left: 2px solid var(--brass);
  padding-left: 2rem;
}
.quote-card blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-style: italic;
  color: var(--ink);
  line-height: 1.35;
}
.quote-card figcaption { margin-top: 1.2rem; font-size: 0.88rem; }
.quote-card figcaption strong { color: var(--ink); font-weight: 600; }

/* ---------- Helpers ---------- */
.text-center { text-align: center; }
.grid-2 { display: grid; gap: 3rem; grid-template-columns: 1fr 1fr; align-items: center; }
.grid-3 { display: grid; gap: 2.5rem; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}