/* ============================================================
   Matrix Digital Systems — v2
   Editorial dark theme (default) with light theme option.
   Serif display + clean sans. Brass accent.
   ============================================================ */

/* -----------------------------------------------------------
   1. Tokens — Light theme (default)
   Light is the default so pages always render in light mode
   even if localStorage is unavailable (e.g. in partitioned iframes).
   Dark is an opt-in override via [data-theme="dark"].
----------------------------------------------------------- */
:root {
  color-scheme: light;

  /* Surfaces — warm ivory */
  --ink:        #f5efe3;   /* page background */
  --ink-2:      #ece4d3;   /* card / band */
  --ink-3:      #e2d8c3;   /* hover menu */
  --ink-4:      #d7ccb4;   /* pressed tile */
  --line:       #d0c4ac;
  --line-2:     #b9ac92;

  /* Deep ink text */
  --paper:      #1a1712;   /* primary text */
  --paper-2:    #2e2920;   /* secondary text */
  --paper-mute: #6b6251;
  --paper-dim:  #8f8672;

  /* Accent — darkened brass for contrast on cream */
  --brass:      #9b7d3c;
  --brass-hi:   #c9a96a;
  --brass-lo:   #6f5628;

  /* Semantic aliases */
  --surface:      var(--ink);
  --surface-2:    var(--ink-2);
  --surface-3:    var(--ink-3);
  --surface-4:    var(--ink-4);
  --border:       var(--line);
  --border-2:     var(--line-2);
  --text:         var(--paper);
  --text-2:       var(--paper-2);
  --text-mute:    var(--paper-mute);
  --text-dim:     var(--paper-dim);

  /* RGB channels for overlays, light-mode values */
  --overlay-rgb:  245, 239, 227;
  --tile-rgb:     236, 228, 211;
  --glass-rgb:    26, 23, 18;
  --shadow-rgb:   90, 70, 40;
  --shadow-strength: 0.12;

  /* Softer veils so hero photography isn't washed out on cream. */
  --hero-veil-top: 0.15;
  --hero-veil-bot: 0.55;
  --hero-veil-side: 0.25;
  --card-veil-bot: 0.6;
  --page-hero-dim: 0.7;
  --page-hero-top: 0.2;
  --page-hero-bot: 0.65;
}

/* -----------------------------------------------------------
   1b. Dark theme override
----------------------------------------------------------- */
:root[data-theme="dark"] {
  color-scheme: dark;

  /* Warm near-black surfaces */
  --ink:        #0d0c0b;
  --ink-2:      #14120f;
  --ink-3:      #1b1815;
  --ink-4:      #231f1a;
  --line:       #2b2722;
  --line-2:     #3a342d;

  /* Ivory text */
  --paper:      #f3eee5;
  --paper-2:    #e8e1d4;
  --paper-mute: #a69f93;
  --paper-dim:  #6b665d;

  /* Original brass values on dark */
  --brass:      #c9a96a;
  --brass-hi:   #e8cf9c;
  --brass-lo:   #8b7448;

  /* Dark overlays */
  --overlay-rgb:  13, 12, 11;
  --tile-rgb:     20, 18, 15;
  --glass-rgb:    243, 238, 229;
  --shadow-rgb:   0, 0, 0;
  --shadow-strength: 0.4;

  /* Stronger veils to darken photography. */
  --hero-veil-top: 0.3;
  --hero-veil-bot: 0.85;
  --hero-veil-side: 0.55;
  --card-veil-bot: 0.9;
  --page-hero-dim: 0.45;
  --page-hero-top: 0.5;
  --page-hero-bot: 0.95;
}

/* Smooth the theme transition (but not for images/media). */
html { transition: background-color 260ms var(--ease, ease); }
body { transition: background-color 260ms var(--ease, ease), color 260ms var(--ease, ease); }

:root {

  /* Type */
  --font-display: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  /* Fluid type */
  --fs-xs:    clamp(0.72rem, 0.68rem + 0.15vw, 0.78rem);
  --fs-sm:    clamp(0.82rem, 0.78rem + 0.2vw, 0.9rem);
  --fs-base:  clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --fs-lg:    clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --fs-xl:    clamp(1.4rem, 1.1rem + 1.4vw, 2rem);
  --fs-2xl:   clamp(2rem, 1.2rem + 3vw, 3.2rem);
  --fs-3xl:   clamp(2.8rem, 1rem + 6vw, 5rem);
  --fs-hero:  clamp(3.6rem, 0.5rem + 9vw, 8rem);

  /* Spacing (4px) */
  --sp-1: 0.25rem; --sp-2: 0.5rem;  --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.5rem;  --sp-6: 2rem;    --sp-7: 2.5rem;  --sp-8: 3rem;
  --sp-10: 4rem;   --sp-12: 5rem;   --sp-16: 7rem;   --sp-20: 9rem;
  --sp-24: 11rem;

  /* Layout */
  --max-w:      1320px;
  --gutter:     clamp(1.25rem, 4vw, 3rem);
  --radius:     4px;
  --radius-lg:  10px;

  /* Motion */
  --ease:       cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur:        420ms;
  --dur-fast:   220ms;
}

/* -----------------------------------------------------------
   2. Base
----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--paper);
  background: var(--ink);
  min-height: 100dvh;
  overflow-x: hidden;
}
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: normal;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); letter-spacing: -0.01em; }
h4 { font-size: var(--fs-lg); letter-spacing: -0.005em; }

p { max-width: 62ch; text-wrap: pretty; color: var(--paper-2); }

::selection { background: var(--brass); color: var(--ink); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }

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

/* -----------------------------------------------------------
   3. Layout helpers
----------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: 880px; }

.section {
  padding-block: clamp(var(--sp-10), 9vw, var(--sp-20));
}
.section--tight { padding-block: clamp(var(--sp-8), 6vw, var(--sp-12)); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--brass);
}
.eyebrow--plain::before { display: none; }

.lead {
  font-size: var(--fs-lg);
  line-height: 1.5;
  color: var(--paper-2);
  max-width: 58ch;
}

.rule {
  height: 1px; width: 100%;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* -----------------------------------------------------------
   4. Buttons
----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.4rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn__arrow {
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

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

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-2);
}
.btn--ghost:hover {
  border-color: var(--brass);
  color: var(--brass-hi);
}

.btn--link {
  padding: 0;
  color: var(--brass);
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.btn--link:hover { color: var(--brass-hi); }

/* -----------------------------------------------------------
   5. Header
----------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), padding var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: oklch(from var(--ink) l c h / 0.82);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line);
  padding: 0.65rem 0;
}
.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  color: var(--paper);
  text-decoration: none;
}
.brand__logo {
  height: 56px;
  width: auto;
  display: block;
  transition: height var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.site-header.is-scrolled .brand__logo { height: 44px; }
.brand--footer .brand__logo { height: 46px; }
@media (max-width: 700px) {
  .brand__logo { height: 42px; }
  .site-header.is-scrolled .brand__logo { height: 34px; }
}
.brand:hover .brand__logo { opacity: 0.85; }
.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: 3px;
  display: block;
  line-height: 1;
}
.brand__sub--inline {
  padding-left: 0.95rem;
  border-left: 1px solid var(--line);
  margin-top: 0;
  line-height: 1.2;
  align-self: center;
}
@media (max-width: 900px) {
  .brand__sub--inline:not(.brand--footer .brand__sub--inline) { display: none; }
  .site-header .brand__sub--inline { display: none; }
}
.brand--footer {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
}
.brand--footer .brand__sub--inline {
  display: block;
  padding-left: 0;
  border-left: none;
  margin-top: 0;
  white-space: nowrap;
}
.brand__mark {
  display: flex;
  flex-direction: column;
  line-height: 0.95;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}
.nav a {
  font-size: var(--fs-sm);
  color: var(--paper-2);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--dur-fast) var(--ease);
}
.nav a:hover { color: var(--paper); }
.nav a.is-active { color: var(--brass); }

.nav-item { position: relative; }
.nav-item__trigger { cursor: pointer; }
.nav-item__trigger::after {
  content: "⌄";
  margin-left: 0.25em;
  font-size: 0.8em;
  opacity: 0.6;
  display: inline-block;
  transform: translateY(-2px);
}
.nav-item__menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: -1rem;
  min-width: 280px;
  padding: 0.6rem;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              visibility var(--dur-fast) var(--ease);
  box-shadow: 0 24px 48px rgba(var(--shadow-rgb), var(--shadow-strength));
}
.nav-item:hover .nav-item__menu,
.nav-item:focus-within .nav-item__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-item__menu a {
  display: block;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  color: var(--paper-2);
}
.nav-item__menu a:hover {
  background: var(--ink-4);
  color: var(--brass-hi);
}

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
}

@media (max-width: 960px) {
  .nav, .nav-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav.is-open {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    top: var(--mobile-header-h, 68px);
    bottom: 0;
    height: auto;
    max-height: calc(100dvh - var(--mobile-header-h, 68px));
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--sp-4) var(--gutter) calc(var(--sp-8) + env(safe-area-inset-bottom));
    background: var(--ink);
    border-top: 1px solid var(--line);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  .nav.is-open a { font-size: var(--fs-lg); padding: 0.75rem 0; border-bottom: 1px solid var(--line); width: 100%; }
  .nav.is-open .nav-item { width: 100%; }
  /* Collapse the Experiences sub-menu behind a click so the main nav fits on one screen */
  .nav.is-open .nav-item__trigger {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .nav.is-open .nav-item__trigger::after {
    content: "+";
    display: inline-block;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4em;
    font-weight: 300;
    opacity: 0.7;
    margin: 0;
    transition: transform var(--dur-fast) var(--ease);
  }
  .nav.is-open .nav-item.is-expanded .nav-item__trigger::after {
    content: "–";
  }
  .nav.is-open .nav-item__menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transform: none;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
    min-width: 0;
    transition: max-height var(--dur) var(--ease), opacity var(--dur-fast) var(--ease), padding var(--dur) var(--ease);
  }
  .nav.is-open .nav-item.is-expanded .nav-item__menu {
    opacity: 1;
    visibility: visible;
    max-height: 600px;
    padding: 0.2rem 0 0.6rem 1rem;
  }
  .nav.is-open .nav-item__menu a {
    font-size: var(--fs-base);
    padding: 0.55rem 0;
    border-bottom: 1px dashed var(--line);
  }
  .nav.is-open .nav-item__menu a:last-child { border-bottom: none; }
}

/* -----------------------------------------------------------
   6. Hero (home)
----------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding-top: 8rem;
  padding-bottom: var(--sp-12);
  overflow: hidden;
  background: var(--ink);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  animation: slow-zoom 24s ease-out forwards;
}
@keyframes slow-zoom {
  from { transform: scale(1.08); }
  to   { transform: scale(1.0); }
}
.hero__grad {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(var(--overlay-rgb), var(--hero-veil-top)) 0%, rgba(var(--overlay-rgb), calc(var(--hero-veil-top) * 0.33)) 35%, rgba(var(--overlay-rgb), var(--hero-veil-bot)) 100%),
    linear-gradient(90deg, rgba(var(--overlay-rgb), var(--hero-veil-side)) 0%, rgba(var(--overlay-rgb), 0) 60%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero h1 {
  margin: 1.2rem 0 1.6rem;
  font-weight: 400;
}
.hero h1 em {
  font-style: italic;
  color: var(--brass);
  font-weight: 300;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-mute);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}
.hero__scroll::after {
  content: "";
  width: 1px; height: 28px;
  background: linear-gradient(180deg, var(--paper-mute), transparent);
  animation: scroll-pulse 2.4s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
  50%      { opacity: 1;   transform: scaleY(1); }
}

/* Page hero */
.page-hero {
  position: relative;
  padding-top: 10rem;
  padding-bottom: clamp(var(--sp-8), 7vw, var(--sp-16));
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: 0;
}
.page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(var(--overlay-rgb), var(--page-hero-top)), rgba(var(--overlay-rgb), var(--page-hero-bot)));
}
.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}
.page-hero h1 {
  font-size: var(--fs-3xl);
  margin: 1.2rem 0 1.2rem;
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.breadcrumb a:hover { color: var(--brass); }
.breadcrumb__sep { opacity: 0.4; }

/* -----------------------------------------------------------
   7. Intro / narrative blocks
----------------------------------------------------------- */
.intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--sp-8);
  align-items: start;
}
.intro__label { position: sticky; top: 6rem; }
.intro h2 { margin-bottom: var(--sp-5); }
.intro p + p { margin-top: 1rem; }
@media (max-width: 820px) {
  .intro { grid-template-columns: 1fr; gap: var(--sp-4); }
  .intro__label { position: static; }
}

.quote {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: var(--fs-2xl);
  line-height: 1.2;
  max-width: 24ch;
  color: var(--paper);
  text-wrap: balance;
}
.quote__attr {
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  font-style: normal;
}

/* -----------------------------------------------------------
   8. Experience cards (home)
----------------------------------------------------------- */
.exps {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
}
.exp {
  grid-column: span 6;
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-3);
}
.exp--tall { grid-row: span 2; aspect-ratio: 5 / 8; }
.exp--wide { grid-column: span 12; aspect-ratio: 21 / 9; }
.exp__img {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 900ms var(--ease);
}
.exp:hover .exp__img { transform: scale(1.05); }
.exp__veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(var(--overlay-rgb), 0) 30%, rgba(var(--overlay-rgb), var(--card-veil-bot)) 100%);
}
.exp__body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  color: var(--paper);
}
.exp__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  color: var(--brass);
  opacity: 0.9;
}
.exp__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 400;
  margin: 0.4rem 0 0.4rem;
  letter-spacing: -0.01em;
}
.exp__desc {
  font-size: var(--fs-sm);
  color: var(--paper-2);
  max-width: 40ch;
}
.exp__arrow {
  position: absolute;
  top: clamp(1rem, 2vw, 1.5rem);
  right: clamp(1rem, 2vw, 1.5rem);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(var(--glass-rgb), 0.12);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  border: 1px solid rgba(var(--glass-rgb), 0.2);
  transition: all var(--dur-fast) var(--ease);
}
.exp:hover .exp__arrow {
  background: var(--brass);
  color: var(--ink);
  border-color: var(--brass);
}

@media (max-width: 820px) {
  .exp, .exp--tall, .exp--wide {
    grid-column: span 12;
    grid-row: auto;
    aspect-ratio: 5 / 4;
  }
}

/* -----------------------------------------------------------
   9. Process / steps
----------------------------------------------------------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
  counter-reset: step;
}
.process__step {
  padding: var(--sp-6);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
}
.process__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  color: var(--brass);
  margin-bottom: var(--sp-5);
  display: block;
}
.process__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 400;
  margin-bottom: 0.75rem;
  line-height: 1.1;
}
.process__body {
  font-size: var(--fs-sm);
  color: var(--paper-2);
  line-height: 1.6;
}
@media (max-width: 900px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------
   10. Split feature
----------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--sp-4), 5vw, var(--sp-10));
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-3);
}
.split__media img {
  width: 100%; height: 100%; object-fit: cover;
}
.split__body h2 { margin-bottom: var(--sp-5); }
.split__body p { margin-bottom: var(--sp-4); }
.split__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--line);
}
.split__meta dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.split__meta dd {
  font-size: var(--fs-sm);
  color: var(--paper);
}
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
}

/* -----------------------------------------------------------
   11. Capability list
----------------------------------------------------------- */
.caps {
  list-style: none;
  padding: 0;
  margin-top: var(--sp-5);
}
.caps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: var(--sp-3);
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.caps li:last-child { border-bottom: 1px solid var(--line); }
.caps__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--paper-mute);
}
.caps__text {
  font-size: var(--fs-base);
  color: var(--paper);
}
.caps__text span {
  color: var(--paper-mute);
  margin-left: 0.5rem;
}

/* -----------------------------------------------------------
   12. Brand strip
----------------------------------------------------------- */
.brands {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  justify-content: center;
  padding-block: var(--sp-8);
  border-block: 1px solid var(--line);
}
.brands__item {
  filter: grayscale(1) brightness(1.4) opacity(0.55);
  transition: filter var(--dur) var(--ease), opacity var(--dur) var(--ease);
  max-height: 30px;
  width: auto;
}
.brands__item:hover { filter: grayscale(1) brightness(1.6) opacity(1); }

/* -----------------------------------------------------------
   13. Projects gallery
----------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-3);
}
.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-3);
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease);
}
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item--lg { grid-column: span 4; aspect-ratio: 4 / 3; }
.gallery__item--md { grid-column: span 3; aspect-ratio: 4 / 3; }
.gallery__item--sm { grid-column: span 2; aspect-ratio: 3 / 4; }
.gallery__item--tall { grid-column: span 3; aspect-ratio: 3 / 4; }

.gallery__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.25rem;
  background: linear-gradient(180deg, transparent, rgba(var(--overlay-rgb), 0.9));
  color: var(--paper);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.gallery__item:hover .gallery__cap { opacity: 1; transform: translateY(0); }
.gallery__cap small {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  display: block;
  margin-bottom: 0.3rem;
}
.gallery__cap strong {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 400;
}
@media (max-width: 820px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery__item--lg, .gallery__item--md, .gallery__item--sm, .gallery__item--tall {
    grid-column: span 2;
    aspect-ratio: 4 / 3;
  }
}

/* -----------------------------------------------------------
   14. CTA band & footer
----------------------------------------------------------- */
.cta-band {
  position: relative;
  padding-block: clamp(var(--sp-10), 10vw, var(--sp-20));
  text-align: center;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--ink-2);
}
.cta-band h2 {
  font-size: var(--fs-3xl);
  max-width: 18ch;
  margin: 0 auto 1.5rem;
  font-weight: 400;
}
.cta-band h2 em { font-style: italic; color: var(--brass); }
.cta-band p { margin: 0 auto 2rem; color: var(--paper-2); font-size: var(--fs-lg); }
.cta-band__cta { display: inline-flex; gap: 0.75rem; flex-wrap: wrap; justify-content: center; }

.footer {
  background: var(--ink-2);
  padding-top: var(--sp-12);
  padding-bottom: var(--sp-6);
  border-top: 1px solid var(--line);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-8);
  padding-bottom: var(--sp-10);
  border-bottom: 1px solid var(--line);
}
.footer__brand p {
  color: var(--paper-mute);
  font-size: var(--fs-sm);
  margin-top: 1rem;
  max-width: 32ch;
}
.footer__creds {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  max-width: 36ch;
}
.footer__cred {
  flex: 0 0 auto;
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 4px;
  background: transparent;
  transition: opacity var(--dur-fast) var(--ease);
}
.footer__cred:hover { opacity: 0.82; }
.footer__cred-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}
/* Default (light theme): show the onLight logo (dark text version) */
.footer__cred-logo--onLight { display: block; }
.footer__cred-logo--onDark { display: none; }
/* Dark theme: flip */
[data-theme="dark"] .footer__cred-logo--onLight { display: none; }
[data-theme="dark"] .footer__cred-logo--onDark { display: block; }
.footer__cred-copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}
.footer__cred-copy strong {
  font-size: var(--fs-sm);
  color: var(--paper);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.footer__cred-copy small {
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--paper-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer h5 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1rem;
}
.footer ul li { margin-bottom: 0.7rem; }
.footer ul a {
  font-size: var(--fs-sm);
  color: var(--paper-2);
}
.footer ul a:hover { color: var(--paper); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--paper-mute);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__bottom a { color: var(--paper-mute); }
.footer__bottom a:hover { color: var(--paper); }
.footer__bottom-links a + a { margin-left: 1.5rem; }

@media (max-width: 820px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
  .footer__brand { grid-column: span 2; }
}
@media (max-width: 520px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
}

/* -----------------------------------------------------------
   15. Contact form
----------------------------------------------------------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--sp-6), 6vw, var(--sp-12));
}
.contact__info dl { margin-top: var(--sp-5); }
.contact__info dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-top: 1.4rem;
  margin-bottom: 0.35rem;
}
.contact__info dd { font-size: var(--fs-base); color: var(--paper); }
.contact__info dd a:hover { color: var(--brass-hi); }

.form {
  display: grid;
  gap: 1rem;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__field { display: flex; flex-direction: column; gap: 0.4rem; }
.form__field label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.form__field input,
.form__field textarea,
.form__field select {
  background: var(--ink-2);
  color: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-size: var(--fs-base);
  font-family: var(--font-body);
  transition: border-color var(--dur-fast) var(--ease);
}
.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
  outline: none;
  border-color: var(--brass);
}
.form__field textarea { min-height: 140px; resize: vertical; }
.form__actions { margin-top: 0.6rem; }

@media (max-width: 820px) {
  .contact { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------
   16. Projects: featured list
----------------------------------------------------------- */
.projects-list {
  display: grid;
  gap: var(--sp-10);
}
.project-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--sp-5), 5vw, var(--sp-10));
  align-items: center;
}
.project-row--reverse { grid-template-columns: 1.2fr 1fr; }
.project-row--reverse .project-row__media { order: 2; }
.project-row__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.project-row__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1200ms var(--ease); }
.project-row:hover .project-row__media img { transform: scale(1.04); }
.project-row__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.75rem;
}
.project-row h3 { font-size: var(--fs-2xl); margin-bottom: 1rem; font-weight: 400; }
.project-row__meta {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: var(--sp-5);
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
}
.project-row__meta > div small {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 0.3rem;
}
.project-row__meta > div strong {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 400;
  color: var(--paper);
}
@media (max-width: 820px) {
  .project-row, .project-row--reverse { grid-template-columns: 1fr; }
  .project-row--reverse .project-row__media { order: 0; }
  .project-row__meta { grid-template-columns: 1fr 1fr; }
}

/* -----------------------------------------------------------
   17. Fade-up animation
----------------------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html:not(.js-ready) .fade-up { opacity: 1; transform: none; }

/* -----------------------------------------------------------
   18. Utility / misc
----------------------------------------------------------- */
.stack-sm > * + * { margin-top: var(--sp-3); }
.stack-md > * + * { margin-top: var(--sp-5); }
.stack-lg > * + * { margin-top: var(--sp-8); }

.text-brass { color: var(--brass); }
.text-mute  { color: var(--paper-mute); }
.italic { font-style: italic; font-weight: 300; }

.heading-xl {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.heading-xl em { font-style: italic; color: var(--brass); font-weight: 300; }

/* =========================================================
   Journal — index grid + article reading layout
   ========================================================= */

.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
@media (max-width: 900px) {
  .journal-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .journal-grid { grid-template-columns: 1fr; }
}

.journal-card {
  display: flex;
  flex-direction: column;
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--dur-base) var(--ease);
}
.journal-card:hover { transform: translateY(-3px); }

.journal-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line);
}
.journal-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--ease);
}
.journal-card:hover .journal-card__media img { transform: scale(1.04); }

.journal-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: 1.25rem;
}
.journal-card__meta span.dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--brass);
  display: inline-block;
}

.journal-card__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-top: 0.7rem;
  color: var(--paper);
}
.journal-card:hover .journal-card__title { color: var(--brass); }

.journal-card__dek {
  color: var(--paper-mute);
  font-size: 0.97rem;
  line-height: 1.55;
  margin-top: 0.6rem;
}

.journal-card__arrow {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

/* Homepage 3-up teaser variant — lighter top meta */
.journal-teaser .journal-card__meta { margin-top: 1rem; }

/* Article page */
.article {
  padding-block: clamp(3rem, 6vw, 5rem);
}
.article__header {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.article__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.article__meta span.dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--brass);
}
.article__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-top: 1.25rem;
}
.article__title em { font-style: italic; color: var(--brass); font-weight: 300; }
.article__dek {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  line-height: 1.5;
  color: var(--paper-mute);
  margin-top: 1.5rem;
  font-style: italic;
}

.article__hero {
  max-width: 1200px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
}
.article__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article__body {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--paper);
}
.article__body p {
  margin-bottom: 1.4rem;
}
.article__body p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 3.5em;
  float: left;
  line-height: 0.85;
  padding: 0.15em 0.12em 0 0;
  color: var(--brass);
}
.article__body h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.5vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 3rem 0 1rem;
  color: var(--paper);
}
.article__body h2 em { font-style: italic; color: var(--brass); font-weight: 300; }
.article__body blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  line-height: 1.4;
  color: var(--paper);
  border-left: 2px solid var(--brass);
  padding: 0.3rem 0 0.3rem 1.5rem;
  margin: 2.25rem 0 2.25rem;
}
.article__body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.4rem;
}
.article__body ul li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.65rem;
}
.article__body ul li::before {
  content: '·';
  color: var(--brass);
  position: absolute;
  left: 0.5rem;
  font-weight: 700;
  font-size: 1.3em;
  top: -0.1rem;
}
.article__body a {
  color: var(--brass);
  text-decoration: underline;
  text-decoration-color: rgba(var(--glass-rgb), 0.22);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast) var(--ease);
}
.article__body a:hover { text-decoration-color: var(--brass); }
.article__body strong { color: var(--paper); font-weight: 600; }

.article__footer-meta {
  max-width: 680px;
  margin: clamp(3rem, 5vw, 4rem) auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.article__footer-meta a { color: var(--brass); text-decoration: none; }

/* Related articles at bottom of each article */
.related-journal {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  padding-block: clamp(3rem, 5vw, 5rem);
}
.related-journal__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

/* Netlify form additions */
.hp-field { position:absolute; left:-10000px; top:auto; width:1px; height:1px; overflow:hidden; }
.form__consent { font-size:.78rem; line-height:1.5; color: var(--paper-mute); margin:1rem 0 0; max-width:52ch; }
.form__consent a { color:var(--brass); text-decoration:underline; text-underline-offset:3px; }
.thankyou { padding:8rem 0 6rem; text-align:center; }
.thankyou h1 { font-family:'Fraunces', serif; font-weight:300; font-size:clamp(2.5rem, 5vw, 4.5rem); letter-spacing:-0.02em; margin:0 0 1.5rem; }
.thankyou h1 em { font-style:italic; color:var(--brass); }
.thankyou p { font-size:1.15rem; max-width:52ch; margin:0 auto 1rem; line-height:1.6; opacity:.8; }
.thankyou .btn { margin-top:2.5rem; }

/* =========================================================
   Brands — line card page
   ========================================================= */
.brand-section {
  padding-block: clamp(3.5rem, 6vw, 6rem);
}
.brand-section--alt {
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}

.brand-section__head {
  max-width: 820px;
  margin: 0 auto clamp(2.5rem, 4vw, 3.5rem);
  text-align: center;
}
.brand-section__head .eyebrow { display: inline-flex; }
.brand-section__head h2 {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.brand-section__head p {
  margin: 1.1rem auto 0;
  color: var(--paper-mute);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 58ch;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.8vw, 2.25rem);
}
@media (max-width: 960px) {
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .brand-grid { grid-template-columns: 1fr; }
}

.brand-card {
  display: flex;
  flex-direction: column;
  color: var(--paper);
  text-decoration: none;
  background: rgba(var(--tile-rgb), 0.55);
  border: 1px solid var(--line);
  transition: transform var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
}
.brand-card:hover {
  transform: translateY(-3px);
  border-color: var(--brass);
  background: rgba(var(--tile-rgb), 0.9);
}

.brand-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.brand-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--ease);
}
.brand-card:hover .brand-card__media img { transform: scale(1.04); }

.brand-card__body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.brand-card__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 1.9vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
  transition: color var(--dur-base) var(--ease);
}
.brand-card:hover .brand-card__title { color: var(--brass); }

.brand-card__dek {
  color: var(--paper-mute);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0.7rem 0 1.1rem;
  flex: 1;
}

.brand-card__link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}
.brand-card__ext {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0;
  transition: transform var(--dur-base) var(--ease);
}
.brand-card:hover .brand-card__ext { transform: translate(2px, -2px); }

/* -----------------------------------------------------------
   20. Theme toggle
----------------------------------------------------------- */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 50%;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--brass);
  border-color: var(--brass);
  transform: rotate(12deg);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity var(--dur-fast) var(--ease),
              transform var(--dur) var(--ease);
}
/* Light is the default: show sun icon. Dark hides sun, shows moon. */
.theme-toggle .theme-toggle__sun { display: block; }
.theme-toggle .theme-toggle__moon { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-toggle__sun { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-toggle__moon { display: block; }

/* Logo swap: default (light) uses black logo; dark uses white. */
.brand__logo--dark { display: none; }
.brand__logo--light { display: block; }
:root[data-theme="dark"] .brand__logo--dark { display: block; }
:root[data-theme="dark"] .brand__logo--light { display: none; }

/* Mobile: theme toggle lives in the header row next to the menu button */
@media (max-width: 960px) {
  .theme-toggle--desktop { display: none; }
  .theme-toggle--mobile {
    display: inline-flex;
    margin-right: 0.5rem;
  }
}
@media (min-width: 961px) {
  .theme-toggle--mobile { display: none; }
  .theme-toggle--desktop { display: inline-flex; }
}

/* -----------------------------------------------------------
   21. Theme-invariant regions (light text on dark photography)
   The hero and page-hero sit on dark imagery. Even in light mode
   the text, logo, and nav chrome over the hero must stay light
   so it reads against the photo. The sticky header only flips
   to "dark chrome" after scrolling past the hero.
----------------------------------------------------------- */
.hero, .page-hero {
  /* Pin the readability tokens to the dark palette while inside
     these regions, regardless of the page-level theme. */
  --ink:        #0d0c0b;
  --ink-2:      #14120f;
  --paper:      #f3eee5;
  --paper-2:    #e8e1d4;
  --paper-mute: #a69f93;
  --line:       #2b2722;
  --line-2:     #3a342d;
  /* Keep the veils dark over the photo in both themes */
  --overlay-rgb: 13, 12, 11;
  --hero-veil-top: 0.3;
  --hero-veil-bot: 0.85;
  --hero-veil-side: 0.55;
  --page-hero-dim: 0.45;
  --page-hero-top: 0.5;
  --page-hero-bot: 0.95;
  color: var(--paper);
}
.hero h1, .page-hero h1, .hero p, .page-hero p,
.hero .eyebrow, .page-hero .breadcrumb, .hero__scroll {
  color: var(--paper);
}
.hero p.lead { color: var(--paper-2); }

/* Header-over-hero in light mode: since the hero photo is dark,
   the chrome needs to read as light (white logo, light nav) UNTIL
   the user scrolls past the hero and .is-scrolled applies the
   cream-glass state. In dark mode the chrome is already light, so
   these rules only need to target the default (light) theme. */
:root:not([data-theme="dark"]) .site-header:not(.is-scrolled) .brand__logo--dark { display: block; }
:root:not([data-theme="dark"]) .site-header:not(.is-scrolled) .brand__logo--light { display: none; }
:root:not([data-theme="dark"]) .site-header:not(.is-scrolled) {
  --ink:        #0d0c0b;
  --paper:      #f3eee5;
  --paper-2:    #e8e1d4;
  --paper-mute: #a69f93;
  --line-2:     #3a342d;
  color: var(--paper);
}
:root:not([data-theme="dark"]) .site-header:not(.is-scrolled) .nav a,
:root:not([data-theme="dark"]) .site-header:not(.is-scrolled) .theme-toggle {
  color: var(--paper);
  border-color: var(--line-2);
}