/* Gillian Cussen — Portfolio Styles
   Palette: linen #F7F5F0 · charcoal #2B2B2B
   Accents: blackberry #4A2C4E · avocado #6B7F5E · chamomile #C4A35A
*/

:root {
  --linen: #f7f5f0;
  --linen-warm: #f3f0e8;
  --linen-deep: #ebe7de;
  --charcoal: #2b2b2b;
  --charcoal-soft: rgba(43, 43, 43, 0.72);
  --blackberry: #4a2c4e;
  --avocado: #6b7f5e;
  --chamomile: #c4a35a;
  --frame-bg: #e8e4db;
  --frame-border: rgba(43, 43, 43, 0.07);
  --frame-shadow: 0 1px 2px rgba(43, 43, 43, 0.04), 0 8px 24px rgba(43, 43, 43, 0.05);

  --font-serif: "Cormorant Garamond", "Georgia", serif;
  --font-sans: "Inter", system-ui, sans-serif;

  --page-max: 46rem;
  --gallery-max: 56rem;
  --section-space: clamp(5rem, 11vw, 8.5rem);
  --content-width: min(38rem, 90vw);
  --gallery-gap: clamp(1.25rem, 2.5vw, 1.75rem);
  --frame-padding: clamp(1rem, 2vw, 1.375rem);
  --frame-canvas-h: clamp(15rem, 22vw, 19rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.25vw + 0.95rem, 1.0625rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--charcoal);
  background-color: var(--linen);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(196, 163, 90, 0.07), transparent 55%),
    radial-gradient(ellipse 90% 50% at 100% 50%, rgba(107, 127, 94, 0.04), transparent 50%);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--blackberry);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition:
    color 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
}

a:hover,
a:focus-visible {
  color: var(--avocado);
}

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

/* ── Header ── */

.site-header {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 1.5rem clamp(2.5rem, 6vw, 4rem);
  text-align: center;
}

.site-header::after {
  content: "";
  position: absolute;
  inset-inline: clamp(1.5rem, 8vw, 6rem);
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(196, 163, 90, 0.35) 25%,
    rgba(74, 44, 78, 0.2) 75%,
    transparent
  );
}

.site-header__inner {
  max-width: var(--page-max);
  margin-inline: auto;
}

/* ── Hero ── */

.site-hero {
  display: flex;
  justify-content: center;
  padding:
    clamp(2.5rem, 6vw, 3.5rem)
    1.5rem
    clamp(2.25rem, 5vw, 3.25rem);
}

.hero-frame {
  margin: 0;
  max-width: min(18rem, 80vw);
}

.hero-frame__stage {
  position: relative;
  display: block;
  padding: clamp(0.75rem, 2vw, 1.125rem);
}

.hero-frame__stage picture,
.hero-frame__stage img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-frame__border {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.hero-frame__line {
  fill: none;
  stroke: var(--chamomile);
  stroke-width: 2;
  pathLength: 100;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

.fade-in.is-visible .hero-frame__line {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 3.85s var(--ease-out) 0.45s;
}

.site-eyebrow {
  margin: 0 0 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--avocado);
}

.site-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.05;
  color: var(--charcoal);
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.site-nav__link {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--charcoal-soft);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--blackberry);
  border-bottom-color: rgba(196, 163, 90, 0.55);
}

.site-nav__sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--chamomile);
  opacity: 0.65;
}

/* ── Sections ── */

.section {
  padding: var(--section-space) 1.5rem;
}

.section--about {
  background: linear-gradient(180deg, var(--linen-warm) 0%, var(--linen) 100%);
  border-block: 1px solid rgba(43, 43, 43, 0.05);
}

.section--intro {
  background: transparent;
  padding-top: clamp(2.5rem, 5vw, 3.75rem);
}

.section--approach {
  background: linear-gradient(180deg, var(--linen-warm) 0%, var(--linen) 100%);
  border-block: 1px solid rgba(43, 43, 43, 0.05);
}

.section--commissions {
  background: transparent;
}

.section--demos {
  background: transparent;
}

.section__list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: min(34rem, 92vw);
  text-align: left;
}

.section__divider {
  width: 2.5rem;
  height: 1px;
  margin: clamp(1.75rem, 4vw, 2.25rem) auto clamp(1.25rem, 3vw, 1.5rem);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(196, 163, 90, 0.75) 20%,
    rgba(196, 163, 90, 0.75) 80%,
    transparent
  );
}

.section__list-intro {
  margin: 0 0 0.875rem;
  color: var(--charcoal-soft);
}

.section__list li {
  position: relative;
  margin-bottom: 0.5rem;
  padding-left: 1rem;
}

.section__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.35rem;
  height: 1px;
  background: var(--chamomile);
  opacity: 0.75;
}

.section__list li:last-child {
  margin-bottom: 0;
}

.section__inner {
  max-width: var(--gallery-max);
  margin-inline: auto;
}

.section__text {
  max-width: var(--content-width);
  margin-inline: auto;
  text-align: center;
}

.section--intro .section__text {
  max-width: min(34rem, 90vw);
}

@media (min-width: 769px) {
  :root {
    --page-max: 54rem;
    --content-width: min(44rem, 88vw);
    --gallery-max: 72rem;
    --gallery-gap: clamp(1.5rem, 2.5vw, 2.25rem);
    --frame-canvas-h: clamp(17rem, 28vw, 24rem);
    --frame-padding: clamp(1.125rem, 1.8vw, 1.625rem);
  }

  .section {
    padding-inline: clamp(2rem, 5vw, 4rem);
  }

  .site-header {
    padding-inline: clamp(2rem, 5vw, 4rem);
  }

  .site-header::after {
    inset-inline: clamp(2rem, 8vw, 8rem);
  }

  .site-hero {
    padding:
      clamp(3rem, 5vw, 4.25rem)
      clamp(2rem, 5vw, 4rem)
      clamp(2.75rem, 4.5vw, 3.75rem);
  }

  .hero-frame {
    max-width: min(28rem, 44vw);
  }

  .section--intro {
    padding-top: clamp(3rem, 4.5vw, 4.25rem);
  }

  .section--intro .section__text {
    max-width: min(42rem, 88vw);
  }
}

.section__heading {
  margin: 0 0 1.75rem;
  font-family: var(--font-serif);
  font-size: clamp(1.875rem, 3.8vw, 2.625rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
  letter-spacing: 0.015em;
  color: var(--charcoal);
}

.section__heading::after {
  content: "";
  display: block;
  width: 2rem;
  height: 1px;
  margin: 1.125rem auto 0;
  background: var(--chamomile);
  opacity: 0.75;
}

.section__body {
  color: var(--charcoal-soft);
}

.section__body p {
  margin: 0 0 1.35rem;
}

.section__body p:last-child {
  margin-bottom: 0;
}

.section__body em {
  font-style: italic;
  color: var(--charcoal);
}

.section__link {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.65rem 0;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--blackberry);
  border-bottom: 1px solid rgba(196, 163, 90, 0.65);
}

.section__link:hover,
.section__link:focus-visible {
  color: var(--avocado);
  border-bottom-color: var(--avocado);
}

/* ── Artwork gallery ── */

.artwork-gallery {
  display: grid;
  gap: var(--gallery-gap);
  max-width: var(--gallery-max);
  margin-top: clamp(3rem, 6vw, 4.5rem);
  margin-inline: auto;
}

.artwork-gallery--cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.artwork-gallery--cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.artwork-gallery--single {
  grid-template-columns: minmax(0, 1fr);
  max-width: calc((var(--gallery-max) - var(--gallery-gap)) / 2);
  margin-inline: auto;
  width: 100%;
}

.artwork-frame__canvas--placeholder {
  background: linear-gradient(145deg, var(--frame-bg) 0%, rgba(196, 163, 90, 0.07) 100%);
}

.artwork-placeholder {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(43, 43, 43, 0.38);
}

.artwork-frame {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: var(--frame-padding);
  background: var(--frame-bg);
  border: 1px solid var(--frame-border);
  border-radius: 3px;
  box-shadow: var(--frame-shadow);
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
}

@media (hover: hover) {
  .artwork-frame:hover {
    transform: translateY(-2px);
    box-shadow:
      0 2px 4px rgba(43, 43, 43, 0.05),
      0 12px 32px rgba(43, 43, 43, 0.08);
  }
}

.artwork-frame__canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: var(--frame-canvas-h);
  overflow: hidden;
}

.artwork-frame__canvas picture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.artwork-frame__canvas img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}

/* Desktop lightbox triggers */
@media (min-width: 769px) and (hover: hover) {
  .artwork-gallery[data-lightbox] .artwork-frame {
    cursor: zoom-in;
  }

  .artwork-gallery[data-lightbox] .artwork-frame:focus-visible {
    outline: 2px solid var(--chamomile);
    outline-offset: 4px;
  }
}

/* ── Lightbox (desktop only) ── */

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.45s var(--ease-out),
    visibility 0.45s var(--ease-out);
}

.lightbox.is-open {
  visibility: visible;
  pointer-events: auto;
}

.lightbox.is-active {
  opacity: 1;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  cursor: zoom-out;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(247, 245, 240, 0.12), transparent 70%),
    rgba(43, 43, 43, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.45s var(--ease-out);
}

.lightbox.is-active .lightbox__backdrop {
  opacity: 1;
}

.lightbox__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  width: fit-content;
  max-width: min(92vw, 72rem);
  max-height: 90vh;
  opacity: 0;
  transform: translateY(0.75rem) scale(0.985);
  transition:
    opacity 0.5s var(--ease-out) 0.05s,
    transform 0.5s var(--ease-out) 0.05s;
}

.lightbox.is-active .lightbox__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.lightbox__frame {
  position: relative;
  margin: 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  background: var(--frame-bg);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 3px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.55) inset,
    0 24px 64px rgba(43, 43, 43, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.lightbox__stage {
  position: relative;
  flex-shrink: 0;
}

.lightbox__stage .lightbox__img {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.988);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
  z-index: 0;
}

.lightbox__stage .lightbox__img.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  z-index: 1;
}

.lightbox__loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.lightbox__loader.is-active {
  opacity: 1;
}

.lightbox__loader::after {
  content: "";
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid rgba(196, 163, 90, 0.35);
  border-top-color: var(--chamomile);
  border-radius: 50%;
  animation: lightbox-spin 0.9s linear infinite;
}

@keyframes lightbox-spin {
  to { transform: rotate(360deg); }
}

.lightbox__nav {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(247, 245, 240, 0.12);
  color: var(--linen);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition:
    background 0.3s var(--ease-out),
    border-color 0.3s var(--ease-out),
    transform 0.3s var(--ease-out);
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  background: rgba(247, 245, 240, 0.22);
  border-color: rgba(196, 163, 90, 0.55);
  transform: translateY(-1px);
}

.lightbox__nav[hidden] {
  display: none;
}

.lightbox__counter {
  position: absolute;
  left: 50%;
  bottom: -2rem;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(247, 245, 240, 0.72);
  white-space: nowrap;
}

@media (max-width: 768px), (hover: none) {
  .lightbox {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .lightbox__backdrop,
  .lightbox__panel,
  .lightbox__stage .lightbox__img {
    transition: none;
  }

  .lightbox__loader::after {
    animation: none;
  }
}

/* ── Fade-in animation ── */

.no-js .fade-in {
  opacity: 1;
  transform: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(1rem);
  transition:
    opacity 0.85s var(--ease-out),
    transform 0.85s var(--ease-out);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.artwork-gallery .fade-in:nth-child(2) { transition-delay: 0.08s; }
.artwork-gallery .fade-in:nth-child(3) { transition-delay: 0.16s; }
.artwork-gallery .fade-in:nth-child(4) { transition-delay: 0.24s; }

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

  .fade-in,
  .artwork-gallery .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
    transition-delay: 0s;
  }

  .hero-frame__line {
    stroke-dashoffset: 0;
    transition: none;
  }

  .artwork-frame {
    transition: none;
  }
}

/* ── Footer ── */

.site-footer {
  padding: clamp(3rem, 7vw, 4.5rem) 1.5rem clamp(2.5rem, 6vw, 3.5rem);
  text-align: center;
  border-top: 1px solid rgba(43, 43, 43, 0.06);
  background: var(--linen-deep);
}

.site-footer__copy {
  margin: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: rgba(43, 43, 43, 0.55);
}

.site-footer__link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--charcoal-soft);
  border-bottom: 1px solid transparent;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--blackberry);
  border-bottom-color: rgba(196, 163, 90, 0.5);
}

/* ── Responsive: mobile ── */

@media (max-width: 768px) {
  :root {
    --section-space: clamp(3.75rem, 11vw, 5.5rem);
    --frame-canvas-h: clamp(15rem, 48vw, 20rem);
    --gallery-max: 100%;
  }

  .section {
    padding-inline: 1.125rem;
  }

  .site-header {
    padding-inline: 1.125rem;
  }

  .site-hero {
    padding-inline: 1.125rem;
    padding-top: clamp(2.25rem, 7vw, 3rem);
    padding-bottom: clamp(2rem, 5vw, 2.75rem);
  }

  .hero-frame {
    max-width: min(17.5rem, 84vw);
  }

  .hero-frame__stage {
    padding: clamp(0.625rem, 2.5vw, 0.875rem);
  }

  .section--intro {
    padding-top: clamp(2.25rem, 6vw, 3rem);
  }

  .site-header::after {
    inset-inline: 1.125rem;
  }

  .site-nav {
    flex-wrap: nowrap;
    justify-content: center;
    gap: 0.3rem 0.4rem;
    max-width: 100%;
  }

  .site-nav__link {
    font-size: 0.625rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  .artwork-gallery,
  .artwork-gallery--cols-3,
  .artwork-gallery--cols-2,
  .artwork-gallery--single {
    display: flex;
    flex-direction: column;
    gap: var(--gallery-gap);
    max-width: 100%;
    width: 100%;
  }

  .artwork-frame {
    width: 100%;
    max-width: none;
  }

  .artwork-frame__canvas {
    height: var(--frame-canvas-h);
  }
}