/* ==========================================================================
   components.css — nav, buttons, cards, gallery, lightbox, forms, footer
   ========================================================================== */

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--gutter);
  transition: background var(--duration) var(--ease-out),
              backdrop-filter var(--duration) var(--ease-out),
              border-color var(--duration) var(--ease-out),
              padding var(--duration) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  padding-block: 1rem;
  background: rgba(11, 10, 9, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--color-border);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.nav__logo-mark {
  height: 34px;
  width: 34px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav__logo:hover .nav__logo-mark {
  transform: rotate(-8deg) scale(1.06);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  position: relative;
  font-size: 0.95rem;
  color: var(--color-text-dim);
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration) var(--ease-out);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-text);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__burger {
  display: none;
  position: relative;
  width: 28px;
  height: 20px;
  z-index: 110;
}

.nav__burger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--duration) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}
.nav__burger span:nth-child(1) { top: 0; }
.nav__burger span:nth-child(2) { top: 9px; }
.nav__burger span:nth-child(3) { top: 18px; }

.nav--open .nav__burger span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav--open .nav__burger span:nth-child(2) { opacity: 0; }
.nav--open .nav__burger span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background: var(--color-bg);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform var(--duration-slow) var(--ease-out), opacity var(--duration) var(--ease-out);
  }
  .nav__links a { font-size: 1.4rem; }
  .nav--open .nav__links {
    transform: translateY(0);
    opacity: 1;
  }
  .nav__burger { display: block; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--color-border-hi);
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.btn:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #17130d;
  font-weight: 500;
}

.btn--primary:hover {
  background: #e8ab66;
  border-color: #e8ab66;
}

.btn--share {
  border-color: #1877f2;
  color: #1877f2;
}

.btn--share:hover {
  background: #1877f2;
  border-color: #1877f2;
  color: #fff;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem 1.5rem;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.footer__social {
  grid-column: 2;
  justify-self: center;
  display: flex;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer__social {
    grid-column: 1;
  }
}

.footer__social a {
  color: var(--color-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__social a:hover {
  color: var(--color-accent);
}

/* ---------- Cards: blog ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.post-card {
  display: block;
}

.post-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  background: var(--color-surface);
}

.post-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform var(--duration-slow) var(--ease-out), filter var(--duration) var(--ease-out);
}

.post-card:hover .post-card__media img {
  transform: scale(1.06);
  filter: grayscale(0);
}

.post-card__date {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.post-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0.4rem 0 0.5rem;
  transition: color var(--duration-fast) var(--ease-out);
}

.post-card:hover .post-card__title {
  color: var(--color-accent);
}

.post-card__excerpt {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin: 0;
}

/* ---------- Single post ---------- */
.post-header {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.post-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 3rem auto;
  max-width: 1100px;
}

.post-body {
  max-width: 700px;
  margin: 0 auto;
}

.post-body p, .post-body ul, .post-body ol {
  max-width: none;
}

.post-body ul, .post-body ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.4rem;
}

.post-body ul {
  list-style: disc;
}

.post-body ol {
  list-style: decimal;
}

.post-body li {
  margin-bottom: 0.6rem;
  color: var(--color-text-dim);
  padding-left: 0.25rem;
}

.post-body li::marker {
  color: var(--color-accent);
}

.post-body img {
  border-radius: var(--radius);
  margin: 2.5rem 0;
}

.post-body h2, .post-body h3 {
  margin-top: 2.5rem;
}

.post-body blockquote {
  margin: 2rem 0;
  padding-left: 1.25rem;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-text-dim);
}

.post-body blockquote p {
  margin: 0;
}

.post-body table {
  width: 100%;
  max-width: none;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.post-body th, .post-body td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.post-body th {
  color: var(--color-text);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.75rem;
  border-bottom: 1px solid var(--color-border-hi);
}

.post-body td {
  color: var(--color-muted);
}

.post-body strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- Gallery ---------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.5rem 0 3rem;
}

.gallery-filters button {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-border-hi);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  transition: all var(--duration-fast) var(--ease-out);
}

.gallery-filters button:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
}

.gallery-filters button.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #17130d;
}

.carousel {
  position: relative;
}

.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(11, 10, 9, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-border-hi);
  color: var(--color-text);
  font-size: 1.3rem;
  transition: border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.carousel__arrow:hover {
  border-color: var(--color-accent);
  transform: translateY(-50%) scale(1.06);
}

.carousel__arrow:disabled {
  opacity: 0;
  pointer-events: none;
}

.carousel__arrow--prev { left: -8px; }
.carousel__arrow--next { right: -8px; }

@media (max-width: 720px) {
  .carousel__arrow { display: none; }
}

.gallery-grid {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  overflow-anchor: none;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0.25rem 0.25rem 1rem;
  margin: -0.25rem -0.25rem -1rem;
  mask-image: linear-gradient(to right, transparent 0, black 24px, black calc(100% - 24px), transparent 100%);
}

.gallery-grid::-webkit-scrollbar {
  display: none;
}

.gallery-item {
  position: relative;
  flex: 0 0 clamp(210px, 30vw, 320px);
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 3 / 4;
  cursor: zoom-in;
  background: var(--color-surface);
  scroll-snap-align: start;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.25rem 1rem 1rem;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  color: #fff;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.gallery-item:hover .gallery-item__caption {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 5, 4, 0.94);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__figure {
  max-width: min(90vw, 1200px);
  max-height: 85vh;
  transform: scale(0.96);
  transition: transform var(--duration) var(--ease-out);
}

.lightbox.is-open .lightbox__figure {
  transform: scale(1);
}

.lightbox__figure img {
  max-height: 85vh;
  width: auto;
  margin: 0 auto;
  border-radius: 4px;
}

.lightbox__caption {
  text-align: center;
  color: var(--color-text-dim);
  margin-top: 1rem;
  font-size: 0.9rem;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  color: var(--color-text);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-hi);
  border-radius: 50%;
  transition: border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  border-color: var(--color-accent);
  transform: scale(1.08);
}

.lightbox__close { top: 1.5rem; right: 1.5rem; }
.lightbox__prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* ---------- Forms ---------- */
.form {
  max-width: 560px;
  margin-top: 2.5rem;
  display: grid;
  gap: 1.5rem;
}

.form__field {
  display: grid;
  gap: 0.5rem;
}

.form__field label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form__field input,
.form__field textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__field textarea {
  resize: vertical;
  min-height: 140px;
}

.form__honeypot {
  position: absolute;
  left: -9999px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 0 var(--gutter);
}

.hero__bg {
  position: absolute;
  inset: -10% -5%;
  z-index: -2;
}

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

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11,10,9,0.35) 0%, rgba(11,10,9,0.55) 55%, rgba(11,10,9,0.96) 100%);
}

.hero__content {
  max-width: 800px;
}

.hero__content h1 {
  font-size: clamp(1.8rem, 3.4vw, 3rem);
}

.hero__content h1 cite {
  display: inline-block;
  font-style: italic;
  font-size: 0.6em;
  color: var(--color-text-dim);
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero__scroll::after {
  content: '';
  width: 1px;
  height: 34px;
  background: var(--color-border-hi);
  animation: scroll-hint 2s var(--ease-out) infinite;
}

/* ---------- Page header (non-hero pages) ---------- */
.page-header {
  padding-top: clamp(7rem, 14vw, 10rem);
  text-align: center;
}

/* ---------- Timeline (gear history) ---------- */
.timeline {
  position: relative;
  margin-top: 3rem;
}

.timeline__line {
  position: absolute;
  left: 110px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-border-hi), var(--color-border) 85%, transparent);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 110px 1fr;
  column-gap: 2.5rem;
  padding-bottom: 3.25rem;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: 110px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  transform: translateX(-50%);
  box-shadow: 0 0 0 5px var(--color-bg);
}

.timeline__year {
  grid-column: 1;
  padding-top: 0.1rem;
  text-align: right;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.timeline__content {
  grid-column: 2;
}

.timeline__toggle {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.timeline__toggle:disabled {
  cursor: default;
}

.timeline__toggle-text {
  display: block;
}

.timeline__category {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}

.timeline__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 0.5rem;
  transition: color var(--duration-fast) var(--ease-out);
}

.timeline__toggle:not(:disabled):hover .timeline__name {
  color: var(--color-accent);
}

.timeline__chevron {
  flex-shrink: 0;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 0.3rem;
  border: 1px solid var(--color-border-hi);
  border-radius: 50%;
  transition: border-color var(--duration-fast) var(--ease-out), transform var(--duration) var(--ease-out);
}

.timeline__chevron::before,
.timeline__chevron::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--color-text-dim);
  transition: transform var(--duration) var(--ease-out), opacity var(--duration) var(--ease-out);
}

.timeline__chevron::before {
  width: 9px;
  height: 1px;
  transform: translate(-50%, -50%);
}

.timeline__chevron::after {
  width: 1px;
  height: 9px;
  transform: translate(-50%, -50%);
}

.timeline__toggle:not(:disabled):hover .timeline__chevron {
  border-color: var(--color-accent);
}

.timeline__item.is-expanded .timeline__chevron {
  transform: rotate(180deg);
}

.timeline__item.is-expanded .timeline__chevron::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.timeline__desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin: 0;
  max-width: 55ch;
}

.timeline__full {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s var(--ease-out);
}

.timeline__item.is-expanded .timeline__full {
  grid-template-rows: 1fr;
}

.timeline__full-inner {
  overflow: hidden;
  min-height: 0;
}

.timeline__quote {
  margin: 1.25rem 0 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-text-dim);
  max-width: 55ch;
}

.timeline__full-inner p:not(.timeline__quote) {
  font-size: 0.9rem;
  color: var(--color-muted);
  max-width: 62ch;
  margin: 0 0 1rem;
}

.timeline__full-inner p:last-child {
  margin-bottom: 0.25rem;
}

@media (max-width: 640px) {
  .timeline__line,
  .timeline__dot {
    left: 6px;
  }
  .timeline__item {
    grid-template-columns: 1fr;
    padding-left: 2rem;
  }
  .timeline__year {
    grid-column: 1;
    text-align: left;
    margin-bottom: 0.3rem;
  }
}

/* ---------- Misc sections ---------- */
.section-head {
  max-width: 640px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
}

.grid-2--top {
  align-items: start;
}

.about-copy p {
  font-size: 1.2rem;
}

.about-copy h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.tag-list span {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-muted);
}