/* ============================================================
   CURATED SILENCE — Design System
   Portfolio of Eytan Heidingsfeld
   ============================================================ */

/* ------------------------------------------------------------
   2.1 — CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --color-bg:               #ffffff;
  --color-surface:          #f9f9f9;
  --color-surface-low:      #f3f3f3;
  --color-primary:          #1a1c1c;
  --color-secondary:        #5e5e5e;
  --color-border:           #e2e2e2;
  --color-border-strong:    #c4c7c7;

  /* Typography */
  --font-display:  'Playfair Display', Georgia, serif;
  --font-body:     'Inter', system-ui, sans-serif;

  /* Spacing */
  --margin-desktop:   80px;
  --margin-tablet:    40px;
  --margin-mobile:    20px;
  --section-gap:      120px;
  --gutter:           32px;
  --container-max:    1440px;

  /* Motion */
  --transition-slow:  400ms ease-in-out;
  --transition-mid:   300ms ease;
}

/* ------------------------------------------------------------
   2.2 — Base Reset
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ------------------------------------------------------------
   2.3 — Typography Utilities
   ------------------------------------------------------------ */
.type-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.type-headline-md {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.3;
}

.type-headline-sm {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.4;
}

.type-body-lg {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.01em;
}

.type-body-md {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

.type-label-caps {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.type-caption {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  font-style: italic;
  color: var(--color-secondary);
}

/* ------------------------------------------------------------
   2.4 — Layout
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin-desktop);
}

@media (max-width: 1024px) {
  .container {
    padding-inline: var(--margin-tablet);
  }
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--margin-mobile);
  }
}

/* ------------------------------------------------------------
   2.5 — Navigation
   ------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin-desktop);
}

.nav__wordmark {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--color-primary);
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--gutter);
}

.nav__link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  padding-bottom: 2px;
  transition: color var(--transition-mid);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link.active {
  border-bottom: 1px solid var(--color-primary);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
  color: var(--color-primary);
}

.nav__hamburger span {
  display: block;
  height: 1px;
  background-color: currentColor;
  transition: transform var(--transition-mid), opacity var(--transition-mid);
  transform-origin: center;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile drawer */
.nav__drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 24px var(--margin-mobile) 32px;
  z-index: 99;
  flex-direction: column;
  gap: 24px;
}

.nav__drawer.open {
  display: flex;
}

.nav__drawer-link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  transition: color var(--transition-mid);
}

.nav__drawer-link:hover {
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .nav__inner {
    padding-inline: var(--margin-tablet);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }
  .nav__inner {
    padding-inline: var(--margin-mobile);
  }
}

/* ------------------------------------------------------------
   2.6 — Filter Chips
   ------------------------------------------------------------ */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  margin-bottom: 64px;
}

.filter-chip {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-mid), border-color var(--transition-mid);
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--color-primary);
}

.filter-chip.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Mobile: horizontally scrollable, no scrollbar */
@media (max-width: 768px) {
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0 20px;
    margin-bottom: 48px;
    padding-bottom: 4px;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .filters::-webkit-scrollbar {
    display: none;
  }
}

/* ------------------------------------------------------------
   2.7 — Section / Gallery Layout
   ------------------------------------------------------------ */
.gallery-section {
  margin-bottom: var(--section-gap);
}

.gallery-section__heading {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-primary);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}

/* ------------------------------------------------------------
   2.8 — Artwork Grid
   ------------------------------------------------------------ */
.artwork-grid {
  display: grid;
  grid-template-columns: repeat(var(--col-count, 3), 1fr);
  gap: var(--gutter);
}

@media (max-width: 1024px) {
  .artwork-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .artwork-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ------------------------------------------------------------
   2.9 — Artwork Card
   ------------------------------------------------------------ */
.artwork-card {
  cursor: pointer;
}

.artwork-card__frame {
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  /* aspect ratio applied inline by JS via CSS var or inline style */
  transition: box-shadow var(--transition-slow);
}

.artwork-card:hover .artwork-card__frame {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.artwork-card:hover .artwork-card__img {
  transform: scale(1.02);
}

/* ------------------------------------------------------------
   2.10 — Image Blur-up Loading
   ------------------------------------------------------------ */
.artwork-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: opacity 500ms ease, transform var(--transition-slow);
}

.artwork-card__img.loaded {
  opacity: 1;
}

/* ------------------------------------------------------------
   2.11 — Card Metadata
   ------------------------------------------------------------ */
.artwork-card__title {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.artwork-card__meta {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  font-style: italic;
  color: var(--color-secondary);
  line-height: 1.4;
}

/* ------------------------------------------------------------
   2.12 — Loading State
   ------------------------------------------------------------ */
.gallery-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0;
  color: var(--color-secondary);
}

.gallery-loading__text {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 1; }
}

.gallery-empty,
.gallery-error {
  padding: 80px 0;
  color: var(--color-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.05em;
}

/* ------------------------------------------------------------
   2.13 — Detail Dialog (Lightbox)
   ------------------------------------------------------------ */
dialog.detail {
  width: min(92vw, 1200px);
  max-height: 90dvh;
  padding: 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  overflow: hidden;
  /* No border-radius — sharp corners per design system */
}

dialog.detail::backdrop {
  background: rgba(26, 28, 28, 0.6);
  backdrop-filter: blur(4px);
}

.detail__inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  height: 90dvh;
  max-height: 90dvh;
  overflow: hidden;
}

.detail__image-wrap {
  background-color: var(--color-surface-low);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.detail__info {
  display: flex;
  flex-direction: column;
  padding: 48px 40px;
  border-left: 1px solid var(--color-border);
  overflow-y: auto;
}

.detail__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 20px;
  transition: opacity var(--transition-mid);
  z-index: 10;
}

.detail__close:hover {
  opacity: 0.5;
}

.detail__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.detail__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 24px 0;
}

.detail__field {
  margin-bottom: 16px;
}

.detail__field-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 4px;
}

.detail__field-value {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1.5;
}

.detail__status {
  display: inline-block;
  margin-top: auto;
  padding-top: 32px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

@media (max-width: 768px) {
  dialog.detail {
    width: 100%;
    max-height: 100dvh;
    margin: 0;
    border: none;
    border-top: 1px solid var(--color-border);
    align-self: flex-end;
  }

  .detail__inner {
    grid-template-columns: 1fr;
    grid-template-rows: 50dvh auto;
    height: 100dvh;
    max-height: 100dvh;
    overflow-y: auto;
  }

  .detail__info {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding: 32px var(--margin-mobile);
  }
}

/* ------------------------------------------------------------
   2.14 — Footer
   ------------------------------------------------------------ */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin-desktop);
}

.footer__wordmark {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-mid);
}

.footer__link:hover {
  color: var(--color-primary);
}

.footer__copy {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

@media (max-width: 1024px) {
  .footer__inner {
    padding-inline: var(--margin-tablet);
  }
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    padding-inline: var(--margin-mobile);
    gap: 20px;
  }

  .footer__copy {
    font-size: 11px;
  }
}

/* ------------------------------------------------------------
   Page-level layout wrappers
   ------------------------------------------------------------ */
.main-content {
  padding-top: 72px; /* offset for fixed nav */
}

.main-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin-desktop);
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

@media (max-width: 1024px) {
  .main-inner {
    padding-inline: var(--margin-tablet);
    padding-top: 80px;
  }
}

@media (max-width: 768px) {
  .main-inner {
    padding-inline: var(--margin-mobile);
    padding-top: 60px;
  }
}

.hero {
  margin-bottom: 64px;
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  max-width: 720px;
}

@media (max-width: 768px) {
  .hero {
    margin-bottom: 40px;
  }
}