*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #000;
  --white: #fff;
  --nav-height: 52px;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --letter-spacing: 0.12em;
}

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  overflow: hidden;
}

body.about,
body.about html {
  overflow: auto;
}

/* ── Footer nav ── */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--black);
  display: flex;
  align-items: center;
  z-index: 100;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 1.5rem;
  width: 100%;
}

.site-name {
  color: var(--white);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: var(--letter-spacing);
  white-space: nowrap;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.site-nav a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--white);
}

/* ── Home page ── */
body.home {
  overflow: hidden;
}

.hero {
  position: fixed;
  inset: 0;
}

.video-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.video-bg iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 177.78vh; /* 16:9 */
  height: 100vh;
  min-width: 100%;
  min-height: 56.25vw;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
}

.hero-title {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  font-size: 0.75rem;
  letter-spacing: var(--letter-spacing);
}

/* ── Portfolio pages ── */
.portfolio {
  position: fixed;
  inset: 0;
  bottom: var(--nav-height);
}

/* Default: fullscreen slide mode */
.portfolio .slides {
  position: absolute;
  inset: 0;
  transition: opacity 0.4s;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portfolio.info-open .slide img {
  object-fit: contain;
}

/* Info panel — hidden by default, revealed on toggle */
.info-panel {
  display: none;
  position: absolute;
  inset: 0;
  background: var(--white);
  color: var(--black);
}

.portfolio.info-open .slides {
  position: absolute;
  inset: 0;
  right: 50%;
}

.portfolio.info-open .info-panel {
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 50%;
  overflow-y: auto;
  padding: 3rem 2.5rem;
}

.info-content {
  display: none;
}

.info-content.active {
  display: block;
}

.info-content h2 {
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}

.info-content .venue {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  color: #333;
}

.info-content .venue:empty,
.info-content .photo-credit:empty {
  display: none;
}

.info-content .photo-credit {
  font-size: 0.8rem;
  margin-top: 1rem;
  color: #555;
}

.info-content .more {
  font-size: 0.85rem;
  margin-top: 1rem;
  color: #333;
}

.info-content .more a {
  color: #000;
  text-decoration: underline;
}

.info-content .meta {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: #333;
}

.info-content .credit {
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
  color: #333;
}

.info-content .description {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-top: 1rem;
  color: #222;
}

/* Nav arrows */
.slide-prev,
.slide-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  border: none;
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 20;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.slide-prev:hover,
.slide-next:hover { opacity: 1; }
.slide-prev { left: 0.75rem; }
.slide-next { right: 0.75rem; }


/* Info toggle button */
.info-toggle {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #e8a020;
  color: var(--white);
  border: none;
  font-size: 0.9rem;
  font-style: italic;
  font-family: Georgia, serif;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Play button ── */
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: none;
  border: none;
  cursor: pointer;
  width: 4rem;
  height: 4rem;
  padding: 0;
  z-index: 5;
  opacity: 0.85;
  transition: opacity 0.2s, transform 0.2s;
}

.play-btn:hover {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.08);
}

.play-btn svg {
  width: 100%;
  height: 100%;
}

/* ── Video lightbox ── */
.video-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.video-lightbox.open {
  display: flex;
}

.lightbox-inner {
  position: relative;
  width: 90vw;
  max-width: 1100px;
  aspect-ratio: 16/9;
}

.lightbox-inner iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 201;
  opacity: 0.7;
  line-height: 1;
}

.lightbox-close:hover { opacity: 1; }

/* ── About page ── */
.about-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem calc(var(--nav-height) + 3rem);
  color: var(--black);
  background: var(--white);
  min-height: 100vh;
}

body.about {
  background: var(--white);
  overflow: auto;
}

.about-page h1 {
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 2rem;
  letter-spacing: 0.01em;
}

.about-page p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  color: #111;
}

body.home footer {
  background: transparent;
}

body.about footer {
  position: fixed;
}

/* ── Trade doc page ── */
.tradedoc {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 2rem calc(var(--nav-height) + 3rem);
  color: var(--black);
}

.trade-rule {
  border: none;
  border-top: 1px solid var(--black);
  margin-bottom: 2rem;
}

.trade-title {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.5em;
  margin-bottom: 1.5rem;
}

.trade-video-wrap {
  position: relative;
  aspect-ratio: 16/9;
  margin-bottom: 0.75rem;
}

.trade-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.trade-caption {
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 1.5rem;
}

.trade-credit-block {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.trade-label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.trade-body {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: #111;
}

.trade-logos {
  margin-top: 2rem;
}

.trade-logos img {
  max-width: 100%;
}

body.about .site-nav a {
  color: rgba(255,255,255,0.65);
}