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

:root {
  --color-bg: #faf9f7;
  --color-text: #2c2c2c;
  --color-text-muted: #7a7a7a;
  --color-border: #e5e2de;
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Lato', sans-serif;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header & Nav ─────────────────────────────────────────────── */

header {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 2rem;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.site-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.01em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ── Main ─────────────────────────────────────────────────────── */

main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 2rem 4rem;
}

/* ── Gallery header ───────────────────────────────────────────── */

.gallery-header {
  margin-bottom: 2.5rem;
}

.gallery-header h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  font-style: italic;
  margin-bottom: 1.25rem;
}

/* ── Filter buttons ───────────────────────────────────────────── */

.filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  padding: 0.4rem 1rem;
  text-transform: uppercase;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.filter-btn.active {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

/* ── Masonry gallery ──────────────────────────────────────────── */

.gallery {
  columns: 3;
  column-gap: 1rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  overflow: hidden;
  cursor: zoom-in;
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 0.25s;
}

.gallery-item:hover img {
  opacity: 0.85;
}

.gallery-item.hidden {
  display: none;
}

/* ── Lightbox ─────────────────────────────────────────────────── */

.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 16, 14, 0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

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

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
}

#lightbox-caption {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-align: center;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
  padding: 0.75rem;
  transition: color 0.2s;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: #fff;
}

.lightbox-close {
  top: 1.25rem;
  right: 1.5rem;
}

.lightbox-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ── About page ───────────────────────────────────────────────── */

.about-main {
  max-width: 620px;
}

.bio {
  margin-bottom: 3.5rem;
}

.bio h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.bio p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  display: inline-flex;
  opacity: 0.55;
  transition: opacity 0.2s;
  margin: 0 auto;
}

.social-links a:hover {
  opacity: 1;
}

.social-links img {
  display: block;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 300;
  font-style: italic;
  margin-bottom: 1.5rem;
}

/* ── Contact form ─────────────────────────────────────────────── */

.form-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-field label {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.375rem;
  text-transform: uppercase;
}

.form-field input,
.form-field textarea {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  outline: none;
  padding: 0.625rem 0.75rem;
  resize: vertical;
  transition: border-color 0.2s;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-text-muted);
}

.form-field input.error,
.form-field textarea.error {
  border-color: #b03030;
}

.field-error {
  color: #b03030;
  font-size: 0.8125rem;
  margin-top: 0.3rem;
  min-height: 1.2em;
}

#contact-form button[type="submit"] {
  background: var(--color-text);
  border: none;
  color: var(--color-bg);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  padding: 0.75rem 2rem;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

#contact-form button[type="submit"]:hover {
  opacity: 0.78;
}

#contact-form button[type="submit"]:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.form-status {
  font-size: 0.875rem;
  margin-top: 1rem;
}

.form-status.success { color: #2e6b35; }
.form-status.error   { color: #b03030; }

/* ── Footer ───────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 2rem;
  text-align: center;
}

footer p {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
}

/* ── Responsive ───────────────────────────────────────────────── */

@media (max-width: 900px) {
  .gallery { columns: 2; }
}

@media (max-width: 560px) {
  header  { padding: 1rem 1.25rem; }
  main    { padding: 2rem 1.25rem 3rem; }

  .gallery { columns: 1; }
  .gallery-header h1 { font-size: 2rem; }

  .lightbox-prev { left: 0.25rem; }
  .lightbox-next { right: 0.25rem; }
}