:root {
  --color-ivory: #faf8f2;
  --color-paper: #fffdf8;
  --color-ink: #1e1d1a;
  --color-muted: #6f6a61;
  --color-line: #ded9cd;
  --color-soft: #eeefeb;
  --color-cool: #56666d;
  --color-accent: #b3915b;
  --color-accent-dark: #705731;
  --color-black: #0f0f0d;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6rem;
  --radius: 8px;
  --container: 1080px;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--color-ivory);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  letter-spacing: 0;
}

body.is-lightbox-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 20;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--color-paper);
  color: var(--color-ink);
  padding: var(--space-2) var(--space-3);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 72px;
  padding: 0 var(--space-4);
  background: rgba(250, 248, 242, 0.93);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.site-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  text-decoration: none;
}

.site-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 22px rgba(15, 15, 13, 0.12);
}

.site-nav {
  display: none;
  gap: var(--space-4);
  color: var(--color-muted);
  font-size: 0.92rem;
}

.site-nav a {
  text-decoration: none;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-ink);
}

.hero {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--color-black);
}

.hero__media,
.hero__shade {
  position: absolute;
  inset: 0;
}

.hero__media {
  background-image: url("../photos/01-ro-event-main-pictute-teesf-com.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.01);
}

.hero__shade {
  background:
    linear-gradient(180deg, rgba(15, 15, 13, 0.22), rgba(15, 15, 13, 0.72)),
    linear-gradient(90deg, rgba(15, 15, 13, 0.72), rgba(15, 15, 13, 0.1));
}

.hero__content {
  position: relative;
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
  color: var(--color-paper);
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.02;
  max-width: 100%;
  overflow-wrap: break-word;
}

.hero h1 {
  max-width: 720px;
  font-size: 3.6rem;
}

.hero__tagline {
  max-width: 680px;
  margin: var(--space-4) 0 0;
  font-family: var(--font-serif);
  font-size: 1.55rem;
  line-height: 1.28;
}

.hero__copy {
  max-width: 560px;
  margin: var(--space-3) 0 var(--space-5);
  color: rgba(255, 253, 248, 0.82);
  font-size: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius);
  padding: 0.78rem 1.1rem;
  text-decoration: none;
  font-weight: 700;
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--light {
  border: 1px solid rgba(255, 253, 248, 0.5);
  background: rgba(255, 253, 248, 0.14);
  color: var(--color-paper);
}

.button--light:hover,
.button--light:focus-visible {
  background: rgba(255, 253, 248, 0.23);
}

.section {
  padding: var(--space-7) var(--space-4);
}

.section--paper {
  background: var(--color-paper);
}

.section--soft {
  background: var(--color-soft);
}

.section__inner {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: 980px;
}

.section__heading {
  max-width: 760px;
  margin-bottom: var(--space-5);
}

.section__heading--split {
  display: grid;
  gap: var(--space-3);
  max-width: none;
}

.section h2 {
  font-size: 2.15rem;
}

.section__note {
  max-width: 360px;
  margin: 0;
  color: var(--color-muted);
}

.section__note span {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-rows: clamp(320px, 58vw, 440px);
  gap: var(--space-4);
}

.featured-card,
.photo-card {
  position: relative;
  display: block;
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-paper);
  text-align: left;
  cursor: pointer;
}

.featured-card {
  min-height: 0;
  height: 100%;
}

.featured-card img,
.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease, opacity var(--transition);
}

.featured-card:hover img,
.featured-card:focus-visible img,
.photo-card:hover img,
.photo-card:focus-visible img {
  transform: scale(1.025);
}

.featured-card::after,
.photo-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 15, 13, 0), rgba(15, 15, 13, 0.66));
}

.featured-card__caption,
.photo-card__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: var(--space-4);
}

.featured-card__title,
.photo-card__title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.14;
}

.featured-card__meta,
.photo-card__meta {
  display: block;
  margin-top: var(--space-1);
  color: rgba(255, 253, 248, 0.75);
  font-size: 0.85rem;
}

.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-button {
  min-height: 42px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.68);
  color: var(--color-muted);
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active {
  border-color: var(--color-accent);
  background: var(--color-paper);
  color: var(--color-ink);
}

.gallery-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-auto-flow: dense;
  align-items: start;
  gap: var(--space-4);
}

.photo-card {
  min-width: 0;
  min-height: 0;
  aspect-ratio: var(--photo-ratio, 4 / 5);
}

.photo-card.is-wide {
  aspect-ratio: var(--photo-ratio, 3 / 2);
}

.photo-card.is-square {
  aspect-ratio: 1 / 1;
}

.photo-card.is-tall {
  aspect-ratio: var(--photo-ratio, 2 / 3);
}

.gallery-empty {
  margin: var(--space-5) 0 0;
  color: var(--color-muted);
}

.about-layout,
.social-layout {
  display: grid;
  gap: var(--space-4);
}

.about-copy {
  margin: 0;
  max-width: 740px;
  color: var(--color-cool);
  font-family: var(--font-serif);
  font-size: 1.45rem;
  line-height: 1.55;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.social-links a {
  min-height: 42px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  color: var(--color-muted);
  text-decoration: none;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.social-links a:hover,
.social-links a:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-paper);
  color: var(--color-ink);
}

.site-footer {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-5) var(--space-4);
  background: var(--color-ink);
  color: rgba(255, 253, 248, 0.76);
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer p:first-child {
  color: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.site-version {
  position: fixed;
  right: 14px;
  bottom: 12px;
  z-index: 1000;
  padding: 6px 10px;
  border: 1px solid rgba(47, 111, 115, 0.28);
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.86);
  color: #214f52;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
  text-decoration: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(15, 15, 13, 0.94);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: var(--space-3);
  width: 100%;
  max-width: 1120px;
  max-height: 88vh;
  margin: 0 auto;
}

.lightbox__figure img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
}

.lightbox__caption {
  color: var(--color-paper);
  text-align: center;
}

.lightbox__caption p {
  margin: 0;
}

#lightbox-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
}

#lightbox-meta,
#lightbox-count {
  color: rgba(255, 253, 248, 0.7);
  font-size: 0.9rem;
}

.lightbox__button {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 253, 248, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.08);
  color: var(--color-paper);
  cursor: pointer;
  font-size: 1.8rem;
  line-height: 1;
  transition:
    background var(--transition),
    border-color var(--transition);
}

.lightbox__button:hover,
.lightbox__button:focus-visible {
  border-color: var(--color-accent);
  background: rgba(255, 253, 248, 0.16);
}

.lightbox__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
}

@media (min-width: 640px) {
  .site-nav {
    display: flex;
  }

  .hero h1 {
    font-size: 4.7rem;
  }

  .hero__tagline {
    font-size: 1.85rem;
  }

  .section h2 {
    font-size: 2.65rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .photo-card.is-wide {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .site-header {
    padding: 0 var(--space-6);
  }

  .hero {
    min-height: 76vh;
  }

  .hero__content {
    padding: var(--space-8) var(--space-6);
  }

  .section {
    padding: var(--space-8) var(--space-6);
  }

  .featured-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 230px;
  }

  .featured-card {
    min-height: auto;
  }

  .featured-card:first-child {
    grid-column: span 2;
    grid-row: span 2;
  }

  .featured-card:nth-child(2) {
    grid-column: span 2;
  }

  .featured-card:nth-child(3),
  .featured-card:nth-child(4),
  .featured-card:nth-child(5) {
    grid-column: span 1;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section__heading--split,
  .about-layout,
  .social-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: end;
  }

  .section__note {
    justify-self: end;
  }

  .social-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .gallery-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .site-mark {
    font-size: 1.25rem;
  }

  .site-logo {
    width: 36px;
    height: 36px;
  }

  .hero {
    min-height: 70vh;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .section h2 {
    font-size: 1.95rem;
    line-height: 1.1;
  }

  .hero__content {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  .lightbox {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    padding: var(--space-2);
  }

  .lightbox__button {
    width: 38px;
    height: 38px;
  }

  .site-version {
    right: 10px;
    bottom: 10px;
    padding: 5px 8px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}