/* ==========================================================================
   RIZKI SETIAWAN — MAIN STYLES
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--dm-bg);
  color: var(--dm-warm-white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.theme-soft {
  background: var(--ss-bg);
  color: var(--ss-ink);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; background: none; border: 0; color: inherit; cursor: pointer; }

.serif { font-family: var(--font-display); font-weight: 400; }

/* ---- Focus visibility (accessibility) ---- */
a:focus-visible, button:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 4px;
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--dm-warm-white);
  color: var(--dm-bg);
  padding: var(--sp-2) var(--sp-3);
  z-index: 1000;
}
.skip-link:focus {
  left: var(--edge);
  top: var(--sp-2);
}

/* ---- Layout primitives ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--edge);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--dm-grey);
  display: block;
}
.theme-soft .eyebrow { color: #7C776C; }

.section-heading {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--edge);
  mix-blend-mode: difference;
  color: #E7E3DA;
  transition: transform var(--dur-mid) var(--ease-soft);
}
.site-header.nav-hidden {
  transform: translateY(-120%);
}
@media (prefers-reduced-motion: reduce) {
  .site-header { transition: none; }
  .site-header.nav-hidden { transform: none; }
}

.brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.nav-list {
  display: flex;
  gap: var(--sp-4);
}

.nav-list a {
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}

.nav-list a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right var(--dur-mid) var(--ease-soft);
}
.nav-list a:hover::after,
.nav-list a[aria-current="page"]::after {
  right: 0;
}

.nav-toggle {
  display: none;
  color: #E7E3DA;
  mix-blend-mode: difference;
  width: 32px; height: 20px;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur-fast) var(--ease-soft), opacity var(--dur-fast);
}
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: var(--dm-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-6) var(--edge);
  transform: translateY(-100%);
  transition: transform var(--dur-mid) var(--ease-editorial);
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2.4rem;
  padding: var(--sp-1) 0;
  display: block;
  border-bottom: 1px solid var(--dm-line);
}

@media (max-width: 900px) {
  .nav-list { display: none; }
  .nav-toggle { display: block; }
}

/* ==========================================================================
   CUSTOM CURSOR (desktop only)
   ========================================================================== */

.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--dm-warm-white);
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: width var(--dur-fast) var(--ease-soft), height var(--dur-fast) var(--ease-soft), background var(--dur-fast);
  display: none;
}
.cursor-label {
  position: fixed;
  top: 0; left: 0;
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-micro);
  text-transform: uppercase;
  color: var(--dm-bg);
  background: var(--dm-warm-white);
  padding: 6px 10px;
  border-radius: 999px;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform var(--dur-fast) var(--ease-soft), opacity var(--dur-fast);
  white-space: nowrap;
}
.cursor-label.is-active { transform: translate(-50%, -50%) scale(1); opacity: 1; }

@media (hover: hover) and (pointer: fine) {
  .cursor, .cursor-label { display: block; }
  body { cursor: none; }
}

/* ==========================================================================
   PAGE TRANSITION OVERLAY
   ========================================================================== */

.page-transition {
  position: fixed;
  inset: 0;
  background: var(--dm-bg);
  z-index: var(--z-transition);
  transform: translateY(100%);
  pointer-events: none;
}

/* ==========================================================================
   SECTION: INTRO
   ========================================================================== */

.intro {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-8) var(--edge) var(--sp-6);
  position: relative;
}

.intro__meta {
  position: absolute;
  top: var(--sp-8);
  left: var(--edge);
  right: var(--edge);
  display: flex;
  justify-content: space-between;
}

.intro__name {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  font-weight: 400;
  letter-spacing: -0.02em;
  overflow: hidden;
}
.intro__name span { display: inline-block; }

.intro__role {
  margin-top: var(--sp-3);
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.intro__role .eyebrow { font-size: var(--fs-body); letter-spacing: 0.06em; }

.intro__scroll {
  position: absolute;
  bottom: var(--sp-3);
  right: var(--edge);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-micro);
  text-transform: uppercase;
  color: var(--dm-grey);
  writing-mode: vertical-rl;
}

/* ==========================================================================
   SECTION: STATEMENT
   ========================================================================== */

.statement {
  padding: var(--sp-8) var(--edge);
  border-top: 1px solid var(--dm-line);
}
.statement__text {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 5rem);
  line-height: 1.08;
  max-width: 20ch;
}
.statement__text .muted { color: var(--dm-grey); }

/* ==========================================================================
   SECTION: SELECTED WORK (editorial list)
   ========================================================================== */

.work-section { padding: var(--sp-8) 0 var(--sp-6); border-top: 1px solid var(--dm-line); }
.work-section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 var(--edge) var(--sp-5);
}

.project-list {
  border-top: 1px solid var(--dm-line);
}
.project-row {
  position: relative;
  border-bottom: 1px solid var(--dm-line);
  padding: var(--sp-4) var(--edge);
  display: grid;
  grid-template-columns: 3rem 1fr auto auto;
  align-items: center;
  gap: var(--sp-3);
  transition: padding var(--dur-mid) var(--ease-soft), background var(--dur-mid);
}
.project-row:hover { padding-left: calc(var(--edge) + var(--sp-3)); background: var(--dm-bg-2); }

.project-row__index { font-size: var(--fs-meta); color: var(--dm-grey); }
.project-row__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 3rem);
  letter-spacing: -0.01em;
  transition: color var(--dur-fast);
}
.project-row__category, .project-row__year {
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--dm-grey);
  text-align: right;
}

.project-preview {
  position: fixed;
  top: 0; left: 0;
  width: 340px;
  height: 220px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  z-index: 50;
  --tilt: 0deg;
  transform: translate(-50%, -50%) scale(0.94) rotate(var(--tilt));
  transition: opacity var(--dur-fast) var(--ease-soft), transform 0.4s var(--ease-soft);
}
.project-preview.is-visible { opacity: 1; }
.project-preview img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px) {
  .project-row { grid-template-columns: 2rem 1fr; row-gap: var(--sp-1); }
  .project-row__category, .project-row__year { display: none; }
  .project-preview { display: none; }
}

/* ==========================================================================
   SECTION: FEATURED PROJECT
   ========================================================================== */

.featured { border-top: 1px solid var(--dm-line); padding: var(--sp-7) 0; }
.featured__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--dm-bg-2);
}
.featured__frame img { width: 100%; height: 100%; object-fit: cover; }
.featured__body {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-4) var(--edge) 0;
}
.featured__title {
  grid-column: span 2;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
}
.featured__meta dt { font-size: var(--fs-micro); letter-spacing: var(--ls-micro); text-transform: uppercase; color: var(--dm-grey); }
.featured__meta dd { margin: 0 0 var(--sp-2); font-size: var(--fs-body); }

@media (max-width: 900px) {
  .featured__body { grid-template-columns: 1fr 1fr; }
  .featured__title { grid-column: span 2; }
}

/* ==========================================================================
   SECTION: STRUCTURE (Dark Matter)
   ========================================================================== */

.structure {
  border-top: 1px solid var(--dm-line);
  padding: var(--sp-8) 0;
  background:
    linear-gradient(var(--dm-line) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, var(--dm-line) 1px, transparent 1px) 0 0 / 64px 100%,
    var(--dm-navy);
}
.structure__head { padding: 0 var(--edge) var(--sp-6); }
.structure__head .statement__text { max-width: 16ch; }

.structure__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--dm-line);
  margin: 0 var(--edge);
}
.structure__item {
  background: var(--dm-navy);
  padding: var(--sp-4);
  aspect-ratio: 4/5;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.structure__item img { width: 100%; flex: 1; object-fit: contain; transition: transform var(--dur-mid) var(--ease-soft); }
.structure__item:hover img { transform: scale(1.03); }
.structure__item figcaption { font-size: var(--fs-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--dm-grey); margin-top: var(--sp-2); }

@media (max-width: 900px) {
  .structure__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .structure__grid { grid-template-columns: 1fr; margin: 0 var(--edge); }
}

/* ==========================================================================
   SECTION: SOFT SPACE (transitional → light)
   ========================================================================== */

.soft-transition {
  height: var(--sp-9);
  background: linear-gradient(180deg, var(--dm-navy) 0%, var(--ss-bg) 100%);
}

.soft-space {
  background: var(--ss-bg);
  color: var(--ss-ink);
  padding: var(--sp-7) 0 var(--sp-8);
}
.soft-space .eyebrow { color: #7C776C; }
.soft-space__head { padding: 0 var(--edge) var(--sp-6); }
.soft-space__statement {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 5rem);
  line-height: 1.08;
  max-width: 18ch;
}

.soft-space__gallery {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--grid-gap);
  padding: 0 var(--edge);
  align-items: end;
}
.soft-space__gallery figure { margin: 0; }
.soft-space__gallery .media-frame { overflow: hidden; }
.soft-space__gallery img { width: 100%; aspect-ratio: 4/5; object-fit: cover; transition: transform 0.6s var(--ease-soft); }
.soft-space__gallery .media-frame:hover img { transform: scale(1.05); }
.soft-space__gallery .tall img { aspect-ratio: 3/4; }
.soft-space__gallery figcaption {
  font-size: var(--fs-meta); letter-spacing: var(--ls-meta); text-transform: uppercase;
  color: #7C776C; margin-top: var(--sp-2);
}
.accent-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

@media (max-width: 900px) {
  .soft-space__gallery { grid-template-columns: 1fr; }
}

/* ==========================================================================
   SECTION: EXPERIMENTS PREVIEW / ABOUT PREVIEW (on homepage, light theme)
   ========================================================================== */

.preview-band {
  background: var(--ss-bg);
  color: var(--ss-ink);
  border-top: 1px solid var(--ss-line);
  padding: var(--sp-7) var(--edge);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  align-items: center;
}
.preview-band__text { max-width: 46ch; }
.preview-band__text p { margin-top: var(--sp-2); color: #4A473F; }
.preview-band__visual { aspect-ratio: 5/4; overflow: hidden; }
.preview-band__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-soft); }
.preview-band__visual:hover img { transform: scale(1.06); }
.preview-band .link-arrow { margin-top: var(--sp-3); display: inline-block; }

@media (max-width: 900px) {
  .preview-band { grid-template-columns: 1fr; }
  .preview-band__visual { order: -1; }
}

.link-arrow {
  font-size: var(--fs-meta); letter-spacing: var(--ls-meta); text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* ==========================================================================
   SECTION: CONTACT
   ========================================================================== */

.contact {
  background: var(--ss-bg);
  color: var(--ss-ink);
  padding: var(--sp-8) var(--edge) var(--sp-6);
  border-top: 1px solid var(--ss-line);
}
.contact__statement {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 6.5rem);
  line-height: 0.98;
}
.contact__links {
  margin-top: var(--sp-6);
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: var(--sp-5);
}
.contact__links a { font-size: var(--fs-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; border-bottom: 1px solid var(--ss-ink); padding-bottom: 2px; }
.contact__links .placeholder { color: #9A9488; border-bottom-color: #C7C1B4; cursor: default; }

@media (max-width: 600px) {
  .contact__links { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   EXPERIMENTS GRID
   ========================================================================== */

.experiments-hero { padding: var(--sp-9) var(--edge) var(--sp-5); border-bottom: 1px solid var(--dm-line); }
.experiments-hero__intro { max-width: 56ch; margin-top: var(--sp-3); color: var(--dm-grey); }

.experiment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  padding: var(--sp-6) var(--edge) var(--sp-8);
}
.experiment-item { margin: 0; }
.experiment-item:nth-child(3n+2) { margin-top: var(--sp-6); }
.experiment-item .media-frame { overflow: hidden; background: var(--dm-bg-2); }
.experiment-item img { width: 100%; aspect-ratio: 3/4; object-fit: cover; transition: transform 0.6s var(--ease-soft); }
.experiment-item .media-frame:hover img { transform: scale(1.06); }
.experiment-item figcaption {
  display: flex; justify-content: space-between;
  margin-top: var(--sp-2);
  font-size: var(--fs-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--dm-grey);
}

@media (max-width: 900px) {
  .experiment-grid { grid-template-columns: 1fr 1fr; }
  .experiment-item:nth-child(3n+2) { margin-top: 0; }
  .experiment-item:nth-child(2n) { margin-top: var(--sp-5); }
}
@media (max-width: 600px) {
  .experiment-grid { grid-template-columns: 1fr; }
  .experiment-item:nth-child(2n) { margin-top: 0; }
}

/* ==========================================================================
   ABOUT PAGE
   ========================================================================== */

.about-hero { padding: var(--sp-9) var(--edge) var(--sp-6); border-bottom: 1px solid var(--ss-line); background: var(--ss-bg); color: var(--ss-ink); }
.about-hero__intro { font-size: clamp(1.6rem, 3vw, 2.4rem); font-family: var(--font-display); max-width: 22ch; margin-top: var(--sp-3); }
.about-body { background: var(--ss-bg); color: var(--ss-ink); padding: var(--sp-7) var(--edge) var(--sp-8); display: grid; grid-template-columns: 1fr 1.4fr; gap: var(--sp-6); }
.about-body__portrait { overflow: hidden; }
.about-body__portrait img { width: 100%; aspect-ratio: 4/5; object-fit: cover; transition: transform 0.6s var(--ease-soft); }
.about-body__portrait:hover img { transform: scale(1.05); }
.about-body__text p { max-width: 60ch; color: #3E3B34; }
.about-body__text p + p { margin-top: var(--sp-3); }
.about-interests { margin-top: var(--sp-5); display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.about-interests span { font-size: var(--fs-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; border: 1px solid var(--ss-ink); border-radius: 999px; padding: 6px 14px; }

@media (max-width: 900px) {
  .about-body { grid-template-columns: 1fr; }
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */

.contact-page { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--ss-bg);
  color: #7C776C;
  padding: var(--sp-4) var(--edge) var(--sp-5);
  border-top: 1px solid var(--ss-line);
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-meta);
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
}

/* ==========================================================================
   MARQUEE (moving text strip)
   ========================================================================== */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--dm-line);
  padding: var(--sp-3) 0;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  animation: marquee-scroll 28s linear infinite;
}
.marquee__track span {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  padding: 0 var(--sp-4);
  color: var(--dm-warm-white);
  opacity: 0.9;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-4);
}
.marquee__track span::after {
  content: '—';
  margin-left: var(--sp-4);
  color: var(--dm-grey);
  font-style: normal;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee:hover .marquee__track { animation-play-state: paused; }

/* ==========================================================================
   KEN BURNS (slow continuous zoom on hero imagery)
   ========================================================================== */

.kenburns {
  animation: kenburns-zoom 22s ease-in-out infinite alternate;
}
@keyframes kenburns-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.07); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .kenburns { animation: none; }
}

/* ==========================================================================
   REVEAL ANIMATION HOOKS
   ========================================================================== */

.reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity var(--dur-slow) var(--ease-soft), transform var(--dur-slow) var(--ease-soft); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}