/* =========================================================================
   Photo Reason — portfolio template
   Monochrome, editorial, image-first. Color comes from the photographs,
   not the UI. Zero build: plain CSS, no framework.
   To recolor the chrome, change --paper and --ink below.
   ========================================================================= */

:root {
  /* Neutral ramp (matches the Photo Reason brand system). */
  --paper: #fafafa; /* neutral-50  */
  --ink: #171717; /* neutral-900 */
  --muted: #737373; /* neutral-500 */
  --faint: #a3a3a3; /* neutral-400 */
  --hairline: #e5e5e5; /* neutral-200 */
  --paper-veil: rgba(250, 250, 250, 0.86);

  /* Privacy-friendly system fonts; no third-party font request. */
  --font-sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "PingFang SC", "Microsoft YaHei",
    "Noto Sans JP", "Noto Sans SC", sans-serif;

  --wrap: 1400px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --gap: clamp(0.5rem, 2vw, 1.25rem);

  --dur: 0.6s;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

[hidden] {
  display: none !important;
}

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

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

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

/* Over photography and the lightbox, an ink outline can vanish. */
.hero :focus-visible,
.lightbox :focus-visible,
.lang-switch button:focus-visible {
  outline-color: #fff;
}

/* --- Shared type utilities ------------------------------------------------ */

.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--faint);
}

.section__label {
  margin: 0 0 clamp(1.5rem, 4vw, 2.75rem);
}

/* --- Language switch ------------------------------------------------------ */

.lang-switch {
  position: fixed;
  top: clamp(1rem, 2.5vw, 1.75rem);
  right: var(--pad);
  z-index: 60;
  display: flex;
  gap: 0.75rem;
  mix-blend-mode: normal;
  color: #fff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.72);
}

.project-open .lang-switch {
  padding: 0.35rem 0.5rem;
  background: rgba(23, 23, 23, 0.86);
}

.lang-switch button {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: inherit;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.lang-switch button:hover {
  opacity: 1;
}

.lang-switch button[aria-pressed="true"] {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* --- Hero ----------------------------------------------------------------- */

.hero {
  position: relative;
  height: 100svh;
  min-height: 34rem;
  color: #fff;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  background-color: #111;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.28) 0%,
    rgba(0, 0, 0, 0) 32%,
    rgba(0, 0, 0, 0) 55%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

.hero__frame {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: clamp(1.25rem, 3vw, 2.25rem) var(--pad) clamp(1.75rem, 4vw, 3rem);
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 3vw, 2.25rem);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav a {
  opacity: 0.82;
  transition: opacity 0.2s;
}

.nav a:hover {
  opacity: 1;
}

.hero__wordmark {
  align-self: end;
  max-width: min(80vw, 52rem);
}

.hero__wordmark .eyebrow {
  color: #fff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.72);
}

.hero__name {
  margin: 0.4rem 0 0;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero__tagline {
  margin: 0.9rem 0 0;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  font-weight: 400;
  opacity: 0.9;
  letter-spacing: 0.01em;
}

.hero__scroll {
  justify-self: start;
  align-self: end;
  width: 1px;
  height: clamp(2.5rem, 6vh, 4.5rem);
  background: rgba(255, 255, 255, 0.6);
  position: relative;
}

.hero__scroll span {
  position: absolute;
  inset: 0;
  background: #fff;
  transform-origin: top;
  animation: scrollcue 2.2s var(--ease) infinite;
}

/* On portrait screens, show the whole photograph with the identity over its sky. */
@media (max-aspect-ratio: 4/5) {
  .hero {
    height: 66.6667vw;
    min-height: 0;
  }

  .hero__media {
    inset: 0;
  }

  .hero__media img {
    object-fit: contain;
  }

  .hero__media::after {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.48), rgba(0, 0, 0, 0.22) 55%, transparent 85%);
  }

  .hero__frame {
    height: 100%;
    padding: clamp(1rem, 4vw, 2rem) var(--pad);
    display: flex;
    flex-direction: column;
  }

  .nav {
    flex: 0 0 auto;
  }

  .hero__wordmark {
    align-self: flex-start;
    max-width: 76%;
    margin-top: clamp(1.1rem, 4vw, 2.5rem);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
  }

  .hero__name {
    font-size: clamp(2.05rem, 8.7vw, 4.75rem);
  }

  .hero__tagline {
    margin-top: 0.4rem;
    font-size: clamp(0.8rem, 2.4vw, 1rem);
  }

  .hero__scroll {
    display: none;
  }
}

@keyframes scrollcue {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  45% {
    transform: scaleY(1);
    transform-origin: top;
  }
  55% {
    transform: scaleY(1);
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* Filmic load reveal for the wordmark. */
.hero__wordmark > * {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 1s var(--ease) forwards;
}
.hero__wordmark .eyebrow {
  animation-delay: 0.15s;
}
.hero__name {
  animation-delay: 0.28s;
}
.hero__tagline {
  animation-delay: 0.45s;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

/* --- Sections ------------------------------------------------------------- */

.section {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 9rem) var(--pad);
}

/* --- Work: project list --------------------------------------------------- */

.projects {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}

.project-row {
  border-bottom: 1px solid var(--hairline);
}

.project-row a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem 2rem;
  padding: clamp(1.5rem, 3.5vw, 2.75rem) 0;
  transition: opacity 0.25s var(--ease);
}

.project-row a:hover {
  opacity: 0.55;
}

.project-row__title {
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.015em;
}

.project-row__meta {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  white-space: nowrap;
}

.project-row__meta .ongoing::before {
  content: "· ";
}

/* thumbnail strip that reveals on hover (desktop) */
.project-row__thumbs {
  grid-column: 1 / -1;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: var(--gap);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition:
    max-height 0.5s var(--ease),
    opacity 0.4s var(--ease);
}

.project-row:hover .project-row__thumbs,
.project-row:focus-within .project-row__thumbs {
  max-height: 40vh;
  opacity: 1;
  margin-top: 0.25rem;
  padding-bottom: 1.5rem;
}

.project-row__thumbs .ph,
.project-row__thumbs img {
  width: 100%;
  height: clamp(9rem, 18vw, 15rem);
  object-fit: cover;
}

@media (hover: none) {
  /* on touch, always show a compact preview row */
  .project-row__thumbs {
    max-height: 24vh;
    opacity: 1;
    margin-top: 0.25rem;
    padding-bottom: 1.25rem;
  }
  .project-row__thumbs .ph,
  .project-row__thumbs img {
    height: clamp(7rem, 30vw, 11rem);
  }
}

/* --- About ---------------------------------------------------------------- */

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
}

@media (min-width: 720px) {
  .about__grid {
    grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  }
}

.about__portrait {
  aspect-ratio: 4 / 5;
  background: #ececec center / cover no-repeat;
}

.about__statement {
  margin: 0;
  font-size: clamp(1.2rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.about__bio {
  margin: 1.5rem 0 0;
  color: var(--muted);
  max-width: 46ch;
}

/* --- Contact -------------------------------------------------------------- */

.contact__email {
  display: inline-block;
  font-size: clamp(1.5rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 0.15em;
  transition: border-color 0.25s;
}

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

.social {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2rem 0 0;
  padding: 0;
}

.social a {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: color 0.2s;
}

.social a:hover {
  color: var(--ink);
}

/* --- Footer --------------------------------------------------------------- */

.footer {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 2.5rem var(--pad);
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--faint);
}

/* --- Project detail view -------------------------------------------------- */

.project-view {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--paper);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.project-view[hidden] {
  display: none;
}

.pv__bar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem var(--pad);
  background: var(--paper-veil);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--hairline);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.pv__back {
  color: var(--ink);
}

.pv__meta {
  color: var(--muted);
}

.pv__head {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--pad) clamp(1.5rem, 4vw, 3rem);
}

.pv__title {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.pv__desc {
  margin: 1.25rem 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}

/* image layouts inside a project */
.pv__images {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(4rem, 10vw, 8rem);
}

.pv__images.-stack {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.pv__images.-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: var(--gap);
}

.pv__images figure {
  margin: 0;
}

.pv__images .-stack figure,
.pv__images.-stack figure {
  text-align: center;
}

.pv__images img,
.pv__images .ph {
  width: 100%;
  cursor: zoom-in;
}

.pv__images.-grid img,
.pv__images.-grid .ph {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pv__images figcaption {
  margin-top: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.pv__images.-stack img {
  width: auto;
  max-width: 100%;
  max-height: 88svh;
  margin: 0 auto;
}

.pv__essay {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 var(--pad) clamp(3rem, 8vw, 6rem);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.9;
}

.pv__essay p {
  margin: 0 0 1.7em;
}

.pv__byline {
  margin-top: 3rem !important;
  color: var(--muted);
}

.pv__thumbs {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(2.5rem, 6vw, 5rem);
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.pv__thumb {
  flex: 0 0 auto;
  width: clamp(5rem, 8vw, 7rem);
  aspect-ratio: 4 / 3;
  padding: 0;
  border: 0;
  background: #e5e5e5;
  cursor: zoom-in;
  scroll-snap-align: start;
}

.pv__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pv__thumb:hover img {
  opacity: 0.75;
}

/* Handoff to the next body of work at the end of a project. */
.pv__next {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(4rem, 10vw, 8rem);
}

.pv__next a {
  display: block;
  border-top: 1px solid var(--hairline);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  transition: opacity 0.25s var(--ease);
}

.pv__next a:hover {
  opacity: 0.55;
}

.pv__next-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--faint);
}

.pv__next-title {
  display: block;
  margin-top: 0.6rem;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
}

/* --- Missing-image placeholder (so the layout reads before photos exist) -- */

.ph {
  background: repeating-linear-gradient(
    45deg,
    #ededed,
    #ededed 12px,
    #e6e6e6 12px,
    #e6e6e6 24px
  );
  display: grid;
  place-items: center;
  min-height: 12rem;
  color: var(--faint);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* --- Lightbox ------------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: rgba(10, 10, 10, 0.94);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  cursor: zoom-out;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #fff;
  font-size: 2.75rem;
  line-height: 1;
  padding: 1.25rem 1rem;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
  user-select: none;
}

.lightbox__nav:hover {
  opacity: 1;
}

.lightbox__nav.-prev {
  left: 0.5rem;
}

.lightbox__nav.-next {
  right: 0.5rem;
}

/* --- Reduced motion ------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .hero__wordmark > * {
    opacity: 1;
    transform: none;
  }
}