/* Public site components (P07). Tokens in app.css. Mobile first; breakpoints 40rem (640px), 60rem (960px). */

.container {
  width: min(100% - 2 * var(--gutter), var(--content-width));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2 * var(--gutter), var(--narrow-width));
}

/* Skip link */
.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--color-dark);
  color: var(--color-on-dark);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

main:focus {
  outline: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  min-height: var(--header-height);
  padding-block: 0.75rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
  font-size: 1.25rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
  background:
    repeating-linear-gradient(100deg, transparent 0 3px, rgb(0 0 0 / 0.12) 3px 4px),
    var(--color-primary);
}

.site-menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: transparent;
  font: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
}

.site-menu-toggle[hidden] {
  display: none;
}

.site-menu-icon,
.site-menu-icon::before,
.site-menu-icon::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s;
}

.site-menu-icon {
  position: relative;
}

.site-menu-icon::before,
.site-menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-menu-icon::before {
  top: -6px;
}

.site-menu-icon::after {
  top: 6px;
}

.site-menu-toggle[aria-expanded="true"] .site-menu-icon {
  background: transparent;
}

.site-menu-toggle[aria-expanded="true"] .site-menu-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-menu-toggle[aria-expanded="true"] .site-menu-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Menu: stacked on small screens; collapsed behind the toggle when JavaScript is available. */
.site-menu {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  padding-bottom: 1rem;
}

.js-nav .site-menu:not(.is-open) {
  display: none;
}

/* The class is set before the first paint (App.razor), so the toggle and the collapsed menu appear at once. */
.js-nav .site-menu-toggle[hidden] {
  display: inline-flex;
}

.site-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav-link {
  display: block;
  padding: 0.6rem 0;
  font-weight: var(--weight-medium);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.site-nav-link:hover {
  border-bottom-color: var(--color-border);
}

.site-nav-link.active {
  border-bottom-color: var(--color-primary);
}

@media (min-width: 60rem) {
  .site-header-inner {
    flex-wrap: nowrap;
  }

  .site-menu-toggle {
    display: none !important;
  }

  .site-menu,
  .js-nav .site-menu:not(.is-open) {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.75rem;
    width: auto;
    padding-bottom: 0;
  }

  .site-nav {
    flex-direction: row;
    gap: 1.75rem;
  }

  .site-nav-link {
    padding: 0.4rem 0;
    font-size: var(--text-sm);
  }
}

/* Sections */
.section {
  padding-block: var(--space-xl);
}

.section--muted {
  background: var(--color-surface-alt);
}

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

.section--dark .section-intro,
.section--dark .eyebrow {
  color: var(--color-muted-on-dark);
}

.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.section-heading--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-heading > div {
  max-width: 42rem;
}

.section-title {
  font-size: var(--text-2xl);
  margin-bottom: 0.35em;
}

.section-intro {
  margin: 0;
  font-size: var(--text-lg);
  color: var(--color-muted);
}

.eyebrow {
  margin: 0 0 0.9rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 2px;
  margin-right: 0.6rem;
  vertical-align: middle;
  background: var(--color-primary);
}

.lead {
  font-size: var(--text-lg);
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  min-height: min(88vh, 48rem);
  align-items: end;
  color: var(--color-on-dark);
  background: var(--color-darker);
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgb(28 25 23 / 0.15) 0%, rgb(28 25 23 / 0.35) 45%, rgb(28 25 23 / 0.8) 100%);
}

.hero-content {
  padding-block: var(--space-2xl) var(--space-xl);
}

.hero-content .eyebrow {
  color: var(--color-muted-on-dark);
}

.hero-title {
  max-width: 16ch;
  font-size: var(--text-3xl);
  margin-bottom: 0.4em;
}

.hero-subtitle {
  max-width: 38rem;
  margin-bottom: var(--space-sm);
  font-size: var(--text-lg);
  color: var(--color-muted-on-dark);
}

/* Page header (inner pages) */
.page-header {
  padding-block: var(--space-xl) var(--space-lg);
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: var(--text-3xl);
  max-width: 18ch;
}

.page-header .lead {
  max-width: 40rem;
  margin: 0;
  color: var(--color-muted);
}

/* Image + text split */
.split {
  display: grid;
  gap: var(--space-md);
  align-items: center;
}

.split-media img,
.split-media .image-placeholder {
  width: 100%;
  border-radius: var(--radius-image);
}

.split-body > :last-child {
  margin-bottom: 0;
}

@media (min-width: 60rem) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .split--reverse .split-media {
    order: 2;
  }
}

/* Cards */
.card-grid {
  display: grid;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 40rem) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 60rem) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-media img,
.card-media .image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-image);
}

/* The whole photo is shown (portrait covers are not cut); the frame keeps the grid even. */
.card-media img {
  object-fit: contain;
  background: var(--color-surface);
}

.card-body {
  padding-top: 1rem;
}

.card-title {
  margin-bottom: 0.3em;
  font-size: var(--text-xl);
}

.card-title a {
  text-decoration: none;
}

/* The whole card is clickable via the title link. */
.card-title a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.card:hover .card-title a,
.card-title a:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
}

.card-text {
  margin: 0;
  color: var(--color-muted);
}

/* Checklist */
.checklist {
  display: grid;
  gap: 1rem;
  margin: 0 0 var(--space-sm);
  padding: 0;
  list-style: none;
}

@media (min-width: 40rem) {
  .checklist {
    grid-template-columns: repeat(2, 1fr);
  }
}

.checklist li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-weight: var(--weight-medium);
}

.checklist li::before {
  content: "";
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.1rem;
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231c1917' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 0.9rem no-repeat,
    var(--color-primary);
}

/* Call to action band */
.cta-band {
  padding-block: var(--space-lg);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.cta-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.cta-band h2 {
  font-size: var(--text-2xl);
  margin-bottom: 0.25em;
}

.cta-band p {
  margin: 0;
  font-size: var(--text-lg);
}

.cta-band .btn {
  background: var(--color-darker);
  color: var(--color-on-dark);
}

.cta-band .btn:hover {
  background: var(--color-dark);
}

/* Image placeholders (until real photos exist) — warm wood tones with a subtle grain. */
.image-placeholder {
  display: block;
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(97deg, rgb(255 255 255 / 0.04) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(93deg, rgb(0 0 0 / 0.06) 0 1px, transparent 1px 23px),
    linear-gradient(160deg, var(--wood-light), var(--wood-dark));
}

.image-placeholder--oak {
  --wood-light: #c9a273;
  --wood-dark: #8a6440;
}

.image-placeholder--walnut {
  --wood-light: #7a5a43;
  --wood-dark: #3f2c21;
}

.image-placeholder--ash {
  --wood-light: #e3d5bf;
  --wood-dark: #b9a585;
}

.image-placeholder--beech {
  --wood-light: #dbb48f;
  --wood-dark: #a77b55;
}

.image-placeholder--dark {
  --wood-light: #5b4636;
  --wood-dark: #241b15;
}

.hero .image-placeholder {
  aspect-ratio: auto;
}

/* Placeholder note on pages whose content follows in later phases */
.placeholder-note {
  max-width: 40rem;
  color: var(--color-muted);
}

/* Footer */
.site-footer {
  padding-top: var(--space-xl);
  background: var(--color-darker);
  color: var(--color-muted-on-dark);
  font-size: var(--text-sm);
}

/* Buttons keep their own colours (dark text on the yellow accent). */
.site-footer a:not(.btn) {
  color: var(--color-on-dark);
}

.site-footer-grid {
  display: grid;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
}

@media (min-width: 60rem) {
  .site-footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr;
  }
}

.site-footer .site-brand {
  margin-bottom: 1rem;
  color: var(--color-on-dark);
}

.site-footer-title {
  margin-bottom: 1rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-on-dark);
}

.site-footer-links {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer-links a {
  text-decoration: none;
}

.site-footer-links a:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
}

.site-footer-bottom {
  padding-block: 1.5rem;
  border-top: 1px solid rgb(255 255 255 / 0.12);
}

.site-footer-bottom p {
  margin: 0;
}

/* Account pages (sign in, access denied) */
.account-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: var(--space-md) var(--gutter);
  background: var(--color-surface-alt);
}

.account-panel {
  width: min(100%, 28rem);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-image);
  background: var(--color-surface);
}

.account-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--space-sm);
}

.account h1 {
  font-size: var(--text-xl);
}

.account-form {
  display: grid;
  gap: 1rem;
}

.account-form label {
  display: grid;
  gap: 0.35rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.account-form input[type="email"],
.account-form input[type="password"] {
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  font: inherit;
}

.account-form .account-remember {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: var(--weight-regular);
}

.account-error {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: #fdecea;
  color: #8a1c13;
}

/* Back link above detail pages (P09) */
.back-link {
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
}

.back-link a {
  text-decoration: none;
  color: var(--color-muted);
}

.back-link a:hover {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
}

/* Card meta (e.g. project year) */
.card-meta {
  margin: 0 0 0.3em;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

/* Category filter on the projects overview */
.filter-chips {
  margin-bottom: var(--space-md);
}

.filter-chips ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.filter-chips a {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  box-shadow: inset 0 0 0 1px var(--color-border);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-decoration: none;
  color: var(--color-text);
}

.filter-chips a:hover {
  box-shadow: inset 0 0 0 1px var(--color-text);
}

.filter-chips a[aria-current="page"] {
  background: var(--color-primary);
  box-shadow: none;
  color: var(--color-on-primary);
}

/* Facts of a project (year, price, categories, materials) */
.facts {
  display: grid;
  gap: var(--space-xs);
  margin: var(--space-sm) 0 0;
  padding-top: var(--space-xs);
  border-top: 1px solid var(--color-border);
}

.facts div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
}

.facts dt {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
}

.facts dd {
  margin: 0;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.inline-links a {
  text-decoration-color: var(--color-primary);
}

/* Project gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gallery a {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-image);
}

.gallery-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery a:hover .gallery-image {
  transform: scale(1.03);
}

/* Lightbox (wwwroot/js/lightbox.js) */
.lightbox-open {
  overflow: hidden;
}

.lightbox {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--color-darker);
  color: var(--color-on-dark);
}

.lightbox::backdrop {
  background: var(--color-darker);
}

.lightbox-stage {
  display: grid;
  /* A definite track: otherwise the photo sizes the row and max-height: 100% never applies. */
  grid-template: minmax(0, 1fr) / minmax(0, 1fr);
  place-items: center;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding: 4rem 1rem;
  touch-action: pan-y;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
}

.lightbox-counter {
  position: absolute;
  top: 1.25rem;
  left: 1.5rem;
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-muted-on-dark);
}

.lightbox-button {
  position: absolute;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 0;
  border-radius: 50%;
  background: rgb(0 0 0 / 0.55);
  color: var(--color-on-dark);
  font: inherit;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-button:hover {
  background: rgb(0 0 0 / 0.8);
}

.lightbox-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Keep the photo clear of the arrows where there is room for it. */
@media (min-width: 40rem) {
  .lightbox-stage {
    padding: 4rem 5rem;
  }
}

.lightbox-close {
  top: 0.75rem;
  right: 0.75rem;
}

.lightbox-previous,
.lightbox-next {
  top: 50%;
  translate: 0 -50%;
}

.lightbox-previous {
  left: 0.75rem;
}

.lightbox-next {
  right: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
  .gallery-image {
    transition: none;
  }
}

/* Contact page and contact details (also in the footer) */
.contact-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 60rem) {
  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.contact-heading {
  margin-bottom: var(--space-xs);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
}

.contact-details address {
  margin-bottom: 0.75rem;
  font-style: normal;
}

.contact-note {
  margin-bottom: 0.75rem;
  color: var(--color-muted);
}

.contact-channels,
.social-links {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-label {
  display: inline-block;
  min-width: 4.5rem;
  color: var(--color-muted);
}

.contact-details a,
.social-links a,
.contact-grid p a {
  text-decoration-color: var(--color-primary);
}

.site-footer-contact,
.site-footer-social {
  margin-bottom: 1.25rem;
}

.site-footer .contact-label,
.site-footer .contact-note {
  color: var(--color-muted-on-dark);
}

/* About sections without a photo */
.text-block {
  max-width: var(--narrow-width);
}

/* Phone and e-mail in the Home contact band (dark text on the accent) */
.cta-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-lg);
}

.cta-band .cta-channels a {
  color: var(--color-on-primary);
  font-weight: var(--weight-medium);
  text-decoration-color: currentColor;
}

/* Own account page (P12b) */
.account-subtitle {
  margin-top: var(--space-sm);
  font-size: var(--text-lg);
}

.account-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  margin: 0;
  font-size: var(--text-sm);
}

.account-details dt {
  color: var(--color-muted);
}

.account-details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.account-hint {
  color: var(--color-muted);
  font-weight: var(--weight-regular);
}

.account-notice,
.account-success {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-primary);
}

.account-back {
  margin-top: 1rem;
  font-size: var(--text-sm);
}