/* style.css — LUAIN site components */

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.wrap--narrow {
  max-width: var(--content-narrow);
}
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
}

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 500;
}
.display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
}
h1.display {
  font-size: var(--text-hero);
  line-height: 1.02;
}
h2.display {
  font-size: var(--text-2xl);
  line-height: 1.08;
}
h3.display {
  font-size: var(--text-xl);
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.5;
}
.prose p {
  max-width: 65ch;
  color: var(--color-text-muted);
  margin-block-end: var(--space-4);
}
.prose p:last-child {
  margin-block-end: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-4) var(--space-8);
  border: 1px solid currentColor;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}
[data-theme='dark'] .btn-primary {
  background: var(--color-primary);
  color: var(--color-ink);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-ink);
}
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-sm {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-xs);
}

/* ---------- Header ---------- */
/* --scroll-depth (0–1) is set from JS on scroll and drives a continuous
   shrink + blur intensification, rather than a single on/off snap. */
.header {
  --scroll-depth: 0;
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) calc(80% + var(--scroll-depth) * 12%), transparent);
  backdrop-filter: blur(calc(10px + var(--scroll-depth) * 10px));
  border-bottom: 1px solid var(--color-divider);
  box-shadow: 0 calc(var(--scroll-depth) * 1px) calc(var(--scroll-depth) * 28px) rgba(0, 0, 0, calc(var(--scroll-depth) * 0.14));
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: calc(var(--space-5) - var(--scroll-depth) * 10px);
  transition: padding-block 0.15s linear;
}
.logo {
  color: var(--color-text);
  flex-shrink: 0;
}
.logo svg {
  height: 22px;
  width: auto;
  display: block;
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links {
  display: flex;
  gap: var(--space-8);
}
.nav-links a {
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
  padding-block: var(--space-1);
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--color-text);
}
.nav-links a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: var(--color-primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.theme-toggle {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-surface-offset);
}
.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--color-text);
}

@media (max-width: 840px) {
  .nav-links {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links a {
    font-size: var(--text-lg);
  }
  .menu-toggle {
    display: grid;
  }
  /* backdrop-filter creates a new containing block for descendant
     position:fixed elements, which breaks the fixed full-viewport nav
     overlay above (it would be confined to the header's own box instead
     of the viewport). Drop the blur on mobile and rely on the opaque
     background instead. */
  .header {
    backdrop-filter: none;
    background: var(--color-bg);
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #f1e9d8;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img,
.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 8, 5, 0.35) 0%,
    rgba(10, 8, 5, 0.35) 40%,
    rgba(10, 8, 5, 0.85) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block-end: clamp(var(--space-16), 8vw, var(--space-24));
  padding-block-start: clamp(var(--space-20), 12vw, var(--space-32));
  width: 100%;
}
.hero .eyebrow {
  color: #d4af5a;
}
.hero h1 {
  color: #f7f1e4;
  margin-block: var(--space-4);
}
.hero .lede {
  color: rgba(241, 233, 216, 0.82);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-block-start: var(--space-8);
  flex-wrap: wrap;
}
.hero-actions .btn-primary {
  background: #f7f1e4;
  color: #14120f;
  border-color: #f7f1e4;
}
.hero-actions .btn-primary:hover {
  background: #d4af5a;
  border-color: #d4af5a;
  color: #14120f;
}
.hero-actions .btn-outline {
  color: #f7f1e4;
  border-color: rgba(241, 233, 216, 0.4);
}
.hero-actions .btn-outline:hover {
  border-color: #d4af5a;
  color: #d4af5a;
}

/* ---------- Page header (interior pages) ---------- */
.page-header {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}

/* ---------- Section headers ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-block-end: var(--space-12);
  flex-wrap: wrap;
}
.section-head h2 {
  margin-block-start: var(--space-3);
}

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-10);
}
@media (max-width: 760px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}
.product-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  perspective: 900px;
}
.product-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  transform-style: preserve-3d;
  will-change: transform;
}
.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-card-media img {
  transform: scale(1.04);
}
.product-card-body {
  padding-block-start: var(--space-5);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.product-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
}
.product-card-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-block-start: var(--space-1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.product-card-price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  white-space: nowrap;
}

/* ---------- Product badge ribbon (Limited Edition / Sold Out / Custom) ---------- */
.product-badge-ribbon {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  pointer-events: none;
  line-height: 1.6;
  opacity: 0.92;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.25);
}
.product-badge-ribbon[hidden] {
  display: none;
}
.product-badge-ribbon--sold_out {
  background: var(--color-text);
}

/* ---------- Product detail ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
  perspective: 1200px;
}
@media (max-width: 860px) {
  .product-detail {
    grid-template-columns: 1fr;
  }
}
.product-detail-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  transform-style: preserve-3d;
  will-change: transform;
}
.product-detail-media img {
  width: 100%;
}
.product-detail-info .eyebrow {
  margin-block-end: var(--space-3);
}
.product-detail-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-block: var(--space-4) var(--space-6);
}
.spec-list {
  border-top: 1px solid var(--color-divider);
  margin-block-start: var(--space-8);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}
.spec-row dt {
  color: var(--color-text-muted);
}
.spec-row dd {
  text-align: right;
}
.product-detail-actions {
  display: flex;
  gap: var(--space-4);
  margin-block-start: var(--space-8);
  flex-wrap: wrap;
}

/* ---------- Two column feature ---------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.feature--reverse .feature-media {
  order: 2;
}
@media (max-width: 860px) {
  .feature {
    grid-template-columns: 1fr;
  }
  .feature--reverse .feature-media {
    order: 0;
  }
}
.feature-media {
  overflow: hidden;
  border-radius: var(--radius-md);
}
.feature-media img {
  width: 100%;
}
.feature-text .eyebrow {
  margin-block-end: var(--space-3);
}
.feature-text h2 {
  margin-block-end: var(--space-5);
}

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}
@media (max-width: 640px) {
  .stats {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
}
.stat-label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-block-start: var(--space-2);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--color-ink);
  color: var(--color-bg);
  text-align: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
[data-theme='dark'] .cta-band {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.cta-band h2 {
  color: inherit;
  margin-block-end: var(--space-6);
}
.cta-band .btn-primary {
  background: #f7f1e4;
  color: #14120f;
  border-color: #f7f1e4;
}
.cta-band .btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
}
@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
.contact-info dl {
  margin-block-start: var(--space-8);
}
.contact-info-row {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.contact-info-row dt {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-block-end: var(--space-1);
}
.contact-info-row dd a {
  color: var(--color-text);
  text-decoration: none;
}
.contact-info-row dd a:hover {
  color: var(--color-primary);
}

.form-field {
  margin-block-end: var(--space-5);
}
.form-field label {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-block-end: var(--space-2);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-field textarea {
  min-height: 120px;
  resize: vertical;
}
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-block-start: var(--space-4);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-10);
  padding-block-end: var(--space-10);
}
@media (max-width: 760px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}
.footer-logo svg {
  height: 20px;
  color: var(--color-text);
  margin-block-end: var(--space-4);
}
.footer-tagline {
  color: var(--color-text-muted);
  max-width: 32ch;
  font-size: var(--text-sm);
}
.footer-heading {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-block-end: var(--space-4);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  border-top: 1px solid var(--color-divider);
  padding-block-start: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
}

.footer-admin-link {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-admin-link:hover {
  color: var(--color-text-muted);
  text-decoration: underline;
}

/* ---------- Utilities ---------- */
.text-center {
  text-align: center;
}
.mx-auto {
  margin-inline: auto;
}
.justify-center {
  justify-content: center;
}
.mt-8 {
  margin-block-start: var(--space-8);
}
.cta-band .lede {
  color: inherit;
  opacity: 0.75;
}

/* ---------- Character-split reveal (heading cascade-in) ---------- */
[data-char-split] {
  overflow: visible;
}
[data-char-split] .word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
}
[data-char-split] .char {
  display: inline-block;
  will-change: transform, opacity;
}
/* Before JS runs (or reduced motion), text must be fully visible */
[data-char-split]:not(.char-split--ready) {
  overflow: hidden;
}

/* ---------- Scale reveal (image entrance) ---------- */
[data-scale-reveal] {
  overflow: hidden;
  will-change: transform, clip-path;
}

/* ---------- Cinematic scroll-scrub sequence (progressive enhancement) ---------- */
/* Default state: a plain, fully accessible image + stacked text section.
   JS adds .scrub-cinematic--active on capable devices (desktop, motion OK,
   frames preloaded) to switch on the pinned canvas scrub + overlay captions. */
.scrub-cinematic {
  position: relative;
  background: #0b0a08;
  color: #f6f1e7;
}
.scrub-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.scrub-fallback {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.scrub-canvas {
  display: none;
  width: 100%;
  height: 100%;
}
.scrub-scrim {
  display: none;
}
.scrub-captions {
  display: grid;
  gap: var(--space-16);
  padding: var(--space-16) var(--space-6);
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
}
.scrub-caption .lede {
  color: color-mix(in oklab, currentColor 78%, transparent);
}
.scrub-caption .eyebrow {
  color: var(--color-primary);
}

@media (min-width: 900px) {
  .scrub-cinematic--active {
    height: 100vh;
  }
  .scrub-cinematic--active .scrub-visual {
    position: absolute;
    inset: 0;
    aspect-ratio: auto;
    height: 100%;
  }
  .scrub-cinematic--active .scrub-canvas {
    display: block;
  }
  .scrub-cinematic--active .scrub-fallback {
    display: none;
  }
  .scrub-cinematic--active .scrub-scrim {
    display: block;
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5) 70%, rgba(0, 0, 0, 0.65));
  }
  .scrub-cinematic--active .scrub-captions {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-6);
    pointer-events: none;
  }
  .scrub-cinematic--active .scrub-caption {
    position: absolute;
    opacity: 0;
    will-change: transform, opacity;
  }
  .scrub-cinematic--active .scrub-caption a {
    pointer-events: auto;
  }
}

/* ---------- Sticky product media (Apple-style pin, desktop only) ---------- */
/* Media is intentionally shorter than the info column so the grid row
   has scroll room for the sticky element to visibly pin while the
   text column scrolls past it. */
@media (min-width: 861px) {
  .product-detail-media {
    position: sticky;
    top: 6.5rem;
  }
  .product-detail-media img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    max-height: min(24rem, calc(100vh - 10rem));
  }
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Room filter (Shop page) ---------- */
.room-filter-section {
  padding-block-end: 0;
}
.room-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.room-filter-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.room-filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}
.room-filter-btn.is-active {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}
[data-theme='dark'] .room-filter-btn.is-active {
  background: var(--color-primary);
  color: var(--color-ink);
  border-color: var(--color-primary);
}
.room-empty-state {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}