/* ==========================================================================
   Carpenter Engineering, Inc. — portfolio site
   Palette is taken from the CEI brand marks: warm taupe #59504B, crimson
   #A62239. The site commits to a single light theme so the project
   photography reads consistently everywhere.
   ========================================================================== */

:root {
  color-scheme: light;

  --ink: #211d1b;
  --ink-2: #4a4340;
  --ink-3: #7d746e;
  --taupe: #59504b;
  --crimson: #a62239;
  --crimson-deep: #85182c;

  --paper: #fbfaf8;
  --surface: #ffffff;
  --surface-2: #f4f1ed;
  --deep: #1e1b1a;

  --line: #e5dfd9;
  --line-2: #d2cac2;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 62ch;
  --shell: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --radius: 4px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 2px rgba(33, 29, 27, 0.06),
    0 4px 12px rgba(33, 29, 27, 0.05);
  --shadow-md: 0 2px 6px rgba(33, 29, 27, 0.07),
    0 18px 44px rgba(33, 29, 27, 0.11);
  --shadow-lg: 0 30px 90px rgba(33, 29, 27, 0.35);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 76px;
}

/* --------------------------------------------------------------- reset --- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "cv11" 1;
}

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

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.021em;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--crimson);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--crimson-deep);
}

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

::selection {
  background: rgba(166, 34, 57, 0.16);
}

/* ------------------------------------------------------------ primitives -- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
}

.section--tint {
  background: var(--surface-2);
  border-block: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crimson);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  margin-right: 0.75rem;
  vertical-align: 0.28em;
  background: currentColor;
}

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.85rem);
}

.section-head p {
  margin-top: 1.15rem;
  max-width: var(--measure);
  color: var(--ink-2);
  font-size: 1.075rem;
}

.lede {
  font-size: clamp(1.075rem, 1.6vw, 1.2rem);
  color: var(--ink-2);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 200;
  padding: 0.7rem 1.15rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: var(--radius);
}

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

/* ---------------------------------------------------------------- button -- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.94rem;
  font-weight: 550;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--crimson);
  color: #fff;
}

.btn--primary:hover {
  background: var(--crimson-deep);
  color: #fff;
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.75);
  color: #fff;
}

.btn--outline {
  border-color: var(--line-2);
  color: var(--ink);
  background: var(--surface);
}

.btn--outline:hover {
  border-color: var(--taupe);
  color: var(--ink);
}

.btn .icon {
  width: 1.05em;
  height: 1.05em;
  flex: none;
}

/* ---------------------------------------------------------------- header -- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color 0.32s var(--ease),
    border-color 0.32s var(--ease), box-shadow 0.32s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header .shell {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: block;
  position: relative;
  flex: none;
  line-height: 0;
}

.brand img {
  width: clamp(160px, 20vw, 205px);
  height: auto;
  transition: opacity 0.32s var(--ease);
}

.brand .brand-dark {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-nav a {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.925rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.site-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.header-cta {
  margin-left: 0.6rem;
  padding: 0.62rem 1.1rem;
  font-size: 0.9rem;
}

/* solid state, applied once the hero has scrolled past */
.site-header[data-solid="true"] {
  background: rgba(251, 250, 248, 0.88);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px rgba(33, 29, 27, 0.05);
}

.site-header[data-solid="true"] .brand-light {
  opacity: 0;
}

.site-header[data-solid="true"] .brand-dark {
  opacity: 1;
}

.site-header[data-solid="true"] .site-nav a {
  color: var(--ink-2);
}

.site-header[data-solid="true"] .site-nav a:hover {
  color: var(--ink);
  background: rgba(89, 80, 75, 0.09);
}

.site-header[data-solid="true"] .btn--ghost {
  border-color: var(--line-2);
  color: var(--ink);
  background: var(--surface);
}

.site-header[data-solid="true"] .btn--ghost:hover {
  border-color: var(--taupe);
  background: var(--surface);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
}

.site-header[data-solid="true"] .nav-toggle {
  border-color: var(--line-2);
  color: var(--ink);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-toggle .icon-close,
.nav-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* ------------------------------------------------------------------ hero -- */

.hero {
  position: relative;
  min-height: min(94svh, 860px);
  display: flex;
  align-items: flex-end;
  padding-block: calc(var(--header-h) + 3rem) clamp(3rem, 7vw, 5.5rem);
  background: var(--deep);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 52%;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
      to top,
      rgba(24, 21, 20, 0.9) 0%,
      rgba(24, 21, 20, 0.62) 32%,
      rgba(24, 21, 20, 0.18) 62%,
      rgba(24, 21, 20, 0.42) 100%
    ),
    linear-gradient(
      to right,
      rgba(24, 21, 20, 0.55) 0%,
      rgba(24, 21, 20, 0.05) 55%
    );
}

.hero .shell {
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  color: #fff;
  opacity: 0.82;
}

.hero h1 {
  max-width: 17ch;
  font-size: clamp(2.4rem, 5.8vw, 4.15rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
}

.hero h1 .rule {
  display: block;
  width: 92px;
  height: 3px;
  margin-top: 1.6rem;
  background: var(--crimson);
}

.hero-sub {
  max-width: 46ch;
  margin-top: 1.6rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1.05rem, 1.55vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.4rem;
}

/* ----------------------------------------------------------------- facts -- */

.facts {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-inline: 1px solid var(--line);
}

.fact {
  background: var(--surface);
  padding: clamp(1.75rem, 3vw, 2.6rem) clamp(1.1rem, 2vw, 1.9rem);
}

.fact dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.fact dd {
  margin: 0.5rem 0 0;
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.028em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.fact dd small {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.86rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink-3);
}

/* ----------------------------------------------------------------- about -- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.portrait {
  position: relative;
}

.portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 68% 30%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.portrait figcaption {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.about-body h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
}

.about-body p + p {
  margin-top: 1.15rem;
}

.about-body p {
  color: var(--ink-2);
}

.about-body .lede {
  margin-top: 1.6rem;
  color: var(--ink);
}

.about-marks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  list-style: none;
  padding-inline: 0;
}

.about-marks li {
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ---------------------------------------------------------- capabilities -- */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cap {
  background: var(--surface);
  padding: clamp(1.75rem, 3vw, 2.4rem);
  transition: background-color 0.25s var(--ease);
}

.cap:hover {
  background: #fff;
}

.cap-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--crimson);
}

.cap h3 {
  margin-top: 0.9rem;
  font-size: 1.16rem;
  letter-spacing: -0.012em;
}

.cap p {
  margin-top: 0.7rem;
  font-size: 0.955rem;
  color: var(--ink-2);
}

/* ------------------------------------------------------------------ work -- */

.work-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.work-head .section-head {
  margin-bottom: 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.filter {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.filter:hover {
  border-color: var(--taupe);
  color: var(--ink);
}

.filter[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.filter .count {
  margin-left: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.6;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(1.5rem, 2.6vw, 2.25rem);
}

.project {
  position: relative;
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

/* The title is the only real control; its ::after stretches over the whole
   card so the card reads as one hit target without nesting blocks in a button. */
.project-open {
  all: unset;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.project-open::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.project:has(.project-open:focus-visible) {
  outline: 2px solid var(--crimson);
  outline-offset: 3px;
}

.project-open:focus-visible {
  outline: none;
}

.project--featured {
  grid-column: span 3;
}

.project:hover,
.project:has(.project-open:focus-visible) {
  transform: translateY(-3px);
  border-color: var(--line-2);
  box-shadow: var(--shadow-md);
}

.project[hidden] {
  display: none;
}

.project-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  overflow: hidden;
}

.project--featured .project-media {
  aspect-ratio: 16 / 10;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.project:hover .project-media img {
  transform: scale(1.045);
}

.shot-count {
  position: absolute;
  right: 0.85rem;
  bottom: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.34rem 0.65rem;
  border-radius: 100px;
  background: rgba(24, 21, 20, 0.62);
  backdrop-filter: blur(8px);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.shot-count svg {
  width: 13px;
  height: 13px;
}

.project-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: clamp(1.25rem, 2.2vw, 1.7rem);
}

.project-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.project-meta .tag {
  color: var(--crimson);
}

.project-body h3 {
  margin-top: 0.7rem;
  font-size: 1.12rem;
  letter-spacing: -0.014em;
}

.project--featured .project-body h3 {
  font-size: 1.35rem;
}

.project-body p {
  margin-top: 0.6rem;
  font-size: 0.94rem;
  color: var(--ink-2);
}

.project-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  font-weight: 550;
  color: var(--crimson);
}

.project-more svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s var(--ease);
}

.project:hover .project-more svg {
  transform: translateX(3px);
}

.work-empty {
  padding: 3rem 0;
  color: var(--ink-3);
}

/* ------------------------------------------------------------ plan strip -- */

.plan {
  background: var(--deep);
  color: rgba(255, 255, 255, 0.86);
  overflow: hidden;
}

.plan-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.plan h2 {
  font-size: clamp(1.8rem, 3.3vw, 2.5rem);
  color: #fff;
}

.plan p {
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.72);
}

.plan .eyebrow {
  color: #d98a99;
}

.plan-list {
  margin: 1.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
}

.plan-list li {
  display: flex;
  gap: 0.85rem;
  padding: 0.72rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.95rem;
}

.plan-list li::before {
  content: attr(data-step);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.42);
  padding-top: 0.22rem;
}

.plan-figure {
  margin: 0;
}

.plan-zoom {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  background: #fff;
  cursor: zoom-in;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), transform 0.35s var(--ease);
}

.plan-zoom:hover {
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.plan-figure img {
  width: 100%;
  height: auto;
}

.plan-figure figcaption {
  margin-top: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------- clients -- */

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0 clamp(1rem, 3vw, 2.5rem);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.clients-grid li {
  padding: 1.15rem 0.25rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.985rem;
  color: var(--ink-2);
  list-style: none;
}

.clients-grid li span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 0.2rem;
}

/* --------------------------------------------------------------- contact -- */

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(2.25rem, 5vw, 4rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.contact-card h2 {
  font-size: clamp(1.8rem, 3.3vw, 2.5rem);
}

.contact-card p {
  margin-top: 1.15rem;
  max-width: var(--measure);
  color: var(--ink-2);
}

.contact-lines {
  margin: 0;
  display: grid;
  gap: 1.5rem;
}

.contact-lines dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.contact-lines dd {
  margin: 0.35rem 0 0;
}

.phone-link {
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--crimson);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease);
}

.phone-link:hover {
  color: var(--crimson);
}

/* ---------------------------------------------------------------- footer -- */

.site-footer {
  background: var(--deep);
  color: rgba(255, 255, 255, 0.62);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer img {
  width: 190px;
  height: auto;
}

.footer-blurb {
  max-width: 36ch;
  margin-top: 1.15rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.6rem;
}

.footer-nav a,
.site-footer a {
  color: rgba(255, 255, 255, 0.76);
  text-decoration: none;
}

.footer-nav a:hover,
.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  padding-top: 1.75rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}

/* -------------------------------------------------------------- lightbox -- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  border: 0;
  padding: 0;
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  background: transparent;
  overflow: hidden;
}

.lightbox::backdrop {
  background: rgba(18, 16, 15, 0.86);
  backdrop-filter: blur(6px);
}

.lightbox-inner {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(1rem, 3vw, 2.5rem);
}

/* Deliberately not flex-centered: a panel taller than the viewport would have
   its top clipped above the scroll origin. */
.lightbox-panel {
  width: min(1080px, 100%);
  margin-inline: auto;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.lb-stage {
  position: relative;
  /* Fixed height rather than aspect-ratio: a capped ratio box would shrink its
     own width instead of letterboxing. */
  height: clamp(260px, 62svh, 620px);
  background: #171514;
}

.lb-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lb-arrow {
  position: absolute;
  top: 50%;
  translate: 0 -50%;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.lb-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.06);
}

.lb-arrow[hidden] {
  display: none;
}

.lb-prev {
  left: 0.9rem;
}

.lb-next {
  right: 0.9rem;
}

.lb-arrow svg {
  width: 19px;
  height: 19px;
}

.lb-close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.lb-close:hover {
  background: #fff;
}

.lb-close svg {
  width: 18px;
  height: 18px;
}

.lb-counter {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  padding: 0.32rem 0.65rem;
  border-radius: 100px;
  background: rgba(24, 21, 20, 0.62);
  backdrop-filter: blur(8px);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.lb-counter[hidden] {
  display: none;
}

.lb-body {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
}

.lb-body .project-meta {
  margin-bottom: 0.75rem;
}

.lb-body h2 {
  font-size: clamp(1.45rem, 2.8vw, 2rem);
}

.lb-body > p {
  margin-top: 1rem;
  max-width: var(--measure);
  color: var(--ink-2);
}

#lbScopeWrap {
  margin-top: 1.9rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.lb-scope {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.lb-scope-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1rem;
}

.lb-scope li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.965rem;
  color: var(--ink-2);
}

.lb-scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--crimson);
}

/* ------------------------------------------------------------- reveal fx -- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------ responsive -- */

@media (max-width: 1000px) {
  .about-grid,
  .plan-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .portrait {
    max-width: 340px;
  }

  .facts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project,
  .project--featured {
    grid-column: span 3;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 66px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.75rem var(--gutter) 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform-origin: top;
  }

  .site-nav[hidden] {
    display: none;
  }

  .site-nav a,
  .site-header[data-solid="true"] .site-nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    color: var(--ink);
    font-size: 1rem;
  }

  .header-cta,
  .site-header[data-solid="true"] .header-cta {
    margin: 1rem 0 0;
    justify-content: center;
    background: var(--crimson);
    border-color: var(--crimson);
    color: #fff;
  }

  .header-cta:hover,
  .site-header[data-solid="true"] .header-cta:hover {
    background: var(--crimson-deep);
    border-color: var(--crimson-deep);
    color: #fff;
  }

  .project,
  .project--featured {
    grid-column: span 6;
  }

  .project--featured .project-media {
    aspect-ratio: 4 / 3;
  }

  .lb-stage {
    height: clamp(220px, 44svh, 420px);
  }
}

@media (max-width: 560px) {
  body {
    font-size: 1rem;
  }

  .facts-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: min(88svh, 700px);
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .lb-arrow {
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .filters,
  .lightbox {
    display: none !important;
  }

  body {
    background: #fff;
  }
}