/* ============================================================
   Harshi Agarwal — Premium Artist Portfolio
   Design System & Global Styles
   ============================================================ */

/* Fonts loaded via <link> tags in HTML for non-blocking performance */

/* ── Performance ────────────────────────────────────────────── */
html {
  text-rendering: optimizeSpeed;
}

/* GPU-accelerate only the elements that actually animate on load */
.reveal, .reveal-left, .reveal-scale,
.page-loader, .nav {
  will-change: transform, opacity;
}

/* Remove will-change after animation completes to free GPU memory */
.revealed {
  will-change: auto;
}

/* Lazy-render off-screen content sections */
.home-bottom-grid,
.about-exhibitions,
.about-bio,
.artist-bio {
  content-visibility: auto;
  contain-intrinsic-size: 0 600px;
}

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --black:       #0A0A0A;
  --white:       #FFFFFF;
  --beige:       #F7F3EE;
  --beige-warm:  #EDE0CF;
  --tan:         #D4B896;
  --gold:        #C9A96E;
  --gray-100:    #F5F5F5;
  --gray-200:    #E8E8E8;
  --gray-400:    #AAAAAA;
  --gray-600:    #666666;
  --gray-800:    #333333;

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Montserrat', Helvetica, Arial, sans-serif;

  --nav-h:       64px;
  --max-w:       1440px;
  --pad-x:       clamp(24px, 5vw, 80px);

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ── Content Protection ────────────────────────────────────── */
img {
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
  -webkit-touch-callout: none; /* iOS long-press save disabled */
  -webkit-user-select: none;
  user-select: none;
}

a img { pointer-events: none; }
a     { pointer-events: auto; }

/* Transparent shield overlay on every image container —
   sits on top of the image, blocks right-click & long-press on all devices */
.img-wrap,
.watermarked,
.home-feature-img,
.artwork-card__img-wrap,
.lightbox__img-wrap,
.artist-artworks__item,
.artist-hero__img,
.about-process__img,
.concierge-quote__img {
  position: relative;
}

.img-wrap::before,
.watermarked::before,
.home-feature-img::before,
.artwork-card__img-wrap::before,
.lightbox__img-wrap::before,
.artist-artworks__item::before,
.artist-hero__img::before,
.about-process__img::before,
.concierge-quote__img::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 5;
  background: transparent;
  cursor: default;
  -webkit-touch-callout: none;
  pointer-events: auto; /* intercepts all mouse & touch events */
  touch-action: pan-y; /* but let vertical swipes scroll the page */
}

/* Watermark ::after must sit above the shield */
.watermarked::after    { z-index: 6; }
.watermarked--full::before { z-index: 6; }

/* Block text selection globally on media areas */
.artwork-card,
.home-feature-img,
.home-grid__img,
.home-bottom-grid__img,
.artist-artworks__item,
.about-hero,
.lightbox__img-wrap {
  -webkit-user-select: none;
  user-select: none;
}

/* ── Watermark on every artwork / image container ────────── */
/* Applied via a shared .watermarked class — added to all image wrappers */
.watermarked {
  position: relative;
  overflow: hidden;
}

.watermarked::after {
  content: '© Harshi Agarwal';
  position: absolute;
  bottom: 10px;
  right: 12px;
  z-index: 10;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
  text-transform: uppercase;
  pointer-events: none;
  white-space: nowrap;
}

/* Diagonal full-image watermark for archive / lightbox */
.watermarked--full::before {
  content: '© Harshi Agarwal';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-30deg);
  z-index: 10;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(12px, 2vw, 20px);
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.18);
  text-transform: uppercase;
  pointer-events: none;
  white-space: nowrap;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-serif);
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* ── Typography Helpers ────────────────────────────────────── */
.label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.label--light { color: var(--gray-400); }
.label--white { color: rgba(255,255,255,0.6); }

/* ── Page Loader ───────────────────────────────────────────── */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--white);
  animation: loader-pulse 1.2s var(--ease-in-out) infinite;
}

@keyframes loader-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.scrolled {
  border-color: var(--gray-200);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
}

.nav--dark {
  background: transparent;
}

.nav--dark .nav__logo,
.nav--dark .nav__link,
.nav--dark .nav__icon { color: var(--white); }

.nav--dark .nav__logo-img { filter: invert(1); }

.nav--dark.scrolled {
  background: rgba(255,255,255,0.96);
}

.nav--dark.scrolled .nav__logo,
.nav--dark.scrolled .nav__link,
.nav--dark.scrolled .nav__icon { color: var(--black); }

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

.nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  /* logo is black — invert to white on dark nav */
  transition: filter 0.3s;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  position: relative;
  transition: opacity 0.2s;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease-out);
}

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

.nav__link.active { border-bottom: 1px solid currentColor; }

.nav__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav__icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

.nav__icon:hover { opacity: 0.6; }

.nav__icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.5; }

/* ── Scroll Reveal Animations ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal-left.revealed { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal-scale.revealed { opacity: 1; transform: scale(1); }

/* ── Image Placeholder System ──────────────────────────────── */
.img-wrap {
  overflow: hidden;
  position: relative;
  background: var(--gray-200);
}

.img-wrap img {
  transition: transform 0.8s var(--ease-out);
}

.img-wrap:hover img { transform: scale(1.04); }

/* Dark gradient image placeholders */
.img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 40%, #1a1a1a 100%);
}

.img-placeholder--light {
  background: linear-gradient(135deg, #e8e4df 0%, #d4cfc8 50%, #e0dbd4 100%);
}

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  width: 48px;
  height: 1px;
  background: var(--black);
  margin: 32px auto;
}

.divider--full {
  width: 100%;
  height: 1px;
  background: var(--gray-200);
  margin: 0;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid var(--black);
  transition: background 0.3s, color 0.3s;
}

.btn:hover {
  background: var(--black);
  color: var(--white);
}

.btn--dark {
  border-color: var(--white);
  color: var(--white);
}

.btn--dark:hover {
  background: var(--white);
  color: var(--black);
}

.btn--filled {
  background: var(--black);
  color: var(--white);
}

.btn--filled:hover {
  background: var(--gray-800);
}

.btn__arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-out);
}

.btn:hover .btn__arrow { transform: translateX(4px); }

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 64px var(--pad-x) 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 80px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 32px;
}

.footer__stay-curated h4 {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.5);
}

.footer__stay-curated p {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 280px;
}

.footer__subscribe {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 28px;
}

.footer__email-input {
  flex: 1;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-right: none;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s;
}

.footer__email-input::placeholder {
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 10px;
}

.footer__email-input:focus { border-color: rgba(255,255,255,0.5); }

.footer__subscribe-btn {
  padding: 12px 18px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.footer__subscribe-btn:hover { background: rgba(255,255,255,0.1); }

.footer__social {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 12px;
}

.footer__social-links {
  display: flex;
  gap: 24px;
}

.footer__social-link {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}

.footer__social-link:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo {
  display: flex;
  align-items: center;
}

.footer__logo-img {
  height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: invert(1); /* footer is black bg, logo is black → invert to white */
}

.footer__nav {
  display: flex;
  gap: 24px;
}

.footer__nav-link {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}

.footer__nav-link:hover { color: var(--white); }

.footer__copy {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
}

/* ── Cursor ────────────────────────────────────────────────── */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--black);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, background 0.3s, opacity 0.3s;
  mix-blend-mode: difference;
}

.cursor--expanded {
  width: 48px;
  height: 48px;
}

/* ============================================================
   HOMEPAGE (index.html)
   ============================================================ */

/* Hero */
.home-hero {
  padding: calc(var(--nav-h) + 48px) var(--pad-x) 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.home-hero__name {
  font-family: var(--font-serif);
  font-size: clamp(64px, 9vw, 144px);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.home-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 8px;
  max-width: 220px;
  text-align: right;
}

.home-hero__tag {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.home-hero__desc {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray-600);
}

/* Hero Image */
.home-feature-img {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  max-height: 72vh;
  overflow: hidden;
  background: var(--black);
}

.home-feature-img .img-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #111 0%, #2a2a2a 50%, #111 100%);
}

.home-feature-img__caption {
  position: absolute;
  bottom: 24px;
  left: var(--pad-x);
  z-index: 2;
}

.home-feature-img__caption .caption-title {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
}

.home-feature-img__caption .caption-sub {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
}

/* Grid Images */
.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 64px var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  align-items: start;
  gap: 40px;
}

.home-grid__item {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.home-grid__img {
  overflow: hidden;
}

.home-grid__img--tall { aspect-ratio: 3/4; }
.home-grid__img--short { aspect-ratio: 4/5; }

.home-grid__caption {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.home-grid__caption-title {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.home-grid__caption-tag {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
}

/* CTA Section */
.home-cta {
  padding: 80px var(--pad-x);
  text-align: center;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.home-cta__label {
  margin-bottom: 24px;
}

.home-cta__heading {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Bottom Images */
.home-bottom-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 0;
  padding: 64px var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  gap: 24px;
  align-items: start;
}

.home-bottom-grid__img {
  overflow: hidden;
  aspect-ratio: 16/10;
}

.home-bottom-grid__img--tall { aspect-ratio: 4/5; }

.home-bottom-grid__caption {
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

/* Hero */
.about-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.about-hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #0d0d0d 0%, #1f1f1f 60%, #0d0d0d 100%);
}

.about-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 50%);
}

.about-hero__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--pad-x) 72px;
  width: 100%;
}

.about-hero__name {
  font-family: var(--font-serif);
  font-size: clamp(52px, 8vw, 128px);
  font-weight: 400;
  text-transform: uppercase;
  color: var(--white);
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.about-hero__subtitle {
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* Statement */
.about-statement {
  padding: 100px var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.about-statement__num {
  margin-bottom: 48px;
}

.about-statement__quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 900px;
  margin: 0 auto 48px;
}

.about-statement__divider {
  width: 40px;
  height: 1px;
  background: var(--black);
  margin: 0 auto 40px;
}

.about-statement__text {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--gray-600);
  max-width: 520px;
  margin: 0 auto;
}

/* Process */
.about-process {
  padding: 0 var(--pad-x) 100px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.about-process__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.about-process__title {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.about-process__vol {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.about-process__main {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 32px;
}

.about-process__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-100);
}

.about-process__text h3 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-process__text p {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--gray-600);
  margin-bottom: 32px;
}

.about-process__sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-process__sub-img {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--gray-100);
}

/* Exhibitions */
.about-exhibitions {
  padding: 0 var(--pad-x) 100px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.about-exhibitions__title {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

.exhibition-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-200);
  transition: background 0.2s;
}

.exhibition-row:hover { background: var(--beige); }

.exhibition-row__year {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-400);
}

.exhibition-row__name {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 400;
}

.exhibition-row__venue {
  text-align: right;
}

.exhibition-row__venue-name {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.exhibition-row__venue-city {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-top: 4px;
}

/* About Inquiries */
.about-inquiries {
  background: var(--black);
  padding: 80px var(--pad-x);
  text-align: center;
}

.about-inquiries__title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 400;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.about-inquiries__subtitle {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  margin-bottom: 40px;
}

.about-inquiries__form {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 520px;
  margin: 0 auto;
}

.about-inquiries__input {
  flex: 1;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-right: none;
  padding: 14px 20px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s;
}

.about-inquiries__input::placeholder {
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.1em;
  font-size: 10px;
  text-transform: uppercase;
}

.about-inquiries__input:focus { border-color: rgba(255,255,255,0.5); }

.about-inquiries__btn {
  padding: 14px 24px;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.about-inquiries__btn:hover {
  background: var(--gray-200);
}

/* ============================================================
   CONCIERGE / CONTACT PAGE
   ============================================================ */

.concierge-hero {
  padding: calc(var(--nav-h) + 80px) var(--pad-x) 64px;
  text-align: center;
}

.concierge-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(52px, 7vw, 108px);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.concierge-hero__desc {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--gray-600);
  max-width: 540px;
  margin: 24px auto 0;
}

.concierge-divider {
  width: 48px;
  height: 1px;
  background: var(--gray-400);
  margin: 40px auto;
}

/* Concierge Body */
.concierge-body {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding: 0 var(--pad-x) 100px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

/* Warm abstract bg */
.concierge-body::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -120px;
  width: 500px;
  height: 600px;
  background: radial-gradient(ellipse at 60% 40%, #e8d5bf 0%, #d4b896 30%, transparent 70%);
  border-radius: 50%;
  opacity: 0.45;
  z-index: 0;
  pointer-events: none;
  filter: blur(40px);
}

.concierge-info { position: relative; z-index: 1; }

.concierge-info__section {
  margin-bottom: 40px;
}

.concierge-info__section-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.concierge-info__text {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--gray-600);
}

.concierge-info__link {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  color: var(--gold);
  transition: opacity 0.2s;
}

.concierge-info__link:hover { opacity: 0.7; }

.concierge-info__locations {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.concierge-info__location {
  padding-left: 16px;
  border-left: 2px solid var(--gray-200);
}

.concierge-info__location-name {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 4px;
}

.concierge-info__location-addr {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  color: var(--gray-600);
}

.concierge-info__social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.concierge-info__social-link {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  color: var(--gold);
  transition: opacity 0.2s;
}

.concierge-info__social-link:hover { opacity: 0.7; }

/* Form */
.concierge-form-wrap {
  position: relative;
  z-index: 1;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 48px;
}

.concierge-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gray-200);
  padding: 10px 0;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--black);
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--black);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
}

.form-group select {
  cursor: pointer;
  color: var(--black);
}

.form-group textarea {
  resize: none;
  height: 80px;
  line-height: 1.6;
}

.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cpath d='M5 7l5 5 5-5' stroke='%23aaa' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
}

/* Quote Section */
.concierge-quote {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0 var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto 100px;
  align-items: center;
}

.concierge-quote__img {
  aspect-ratio: 3/2;
  overflow: hidden;
}

.concierge-quote__text {
  padding: 60px 60px;
}

.concierge-quote__q {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(24px, 2.5vw, 40px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.concierge-quote__p {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--gray-600);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .home-grid { gap: 24px; }
  .about-process__main { grid-template-columns: 1fr; }
  .concierge-body { grid-template-columns: 1fr; gap: 48px; }
  .concierge-body::before { display: none; }
  .concierge-quote { grid-template-columns: 1fr; }
  .concierge-quote__text { padding: 40px 0; }
}

@media (max-width: 768px) {
  :root { --pad-x: 24px; }

  .nav__links { display: none; }

  .home-hero {
    grid-template-columns: 1fr;
    padding-top: calc(var(--nav-h) + 32px);
  }
  .home-hero__meta { text-align: left; max-width: none; }

  .home-grid { grid-template-columns: 1fr; }
  .home-bottom-grid { grid-template-columns: 1fr; }

  .footer__top { grid-template-columns: 1fr; }
  .footer__social { align-items: flex-start; }

  .form-row { grid-template-columns: 1fr; }
  .concierge-form-wrap { padding: 32px 24px; }

  .exhibition-row { grid-template-columns: 50px 1fr; }
  .exhibition-row__venue { display: none; }

  .about-process__sub-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .home-hero__name { font-size: clamp(52px, 15vw, 80px); }
  .about-hero__name { font-size: clamp(40px, 12vw, 80px); }
  .concierge-hero__title { font-size: clamp(40px, 12vw, 72px); }
}

/* ── Mobile Nav Menu ───────────────────────────────────────── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 768px) {
  .nav__hamburger { display: flex; }
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease-out);
}

.mobile-nav.open { transform: translateX(0); }

.mobile-nav__link {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.04em;
  transition: opacity 0.2s;
}

.mobile-nav__link:hover { opacity: 0.5; }

.mobile-nav__close {
  position: absolute;
  top: 20px;
  right: var(--pad-x);
  color: var(--white);
  font-size: 28px;
  cursor: pointer;
}

/* ── Back to Top Button ────────────────────────────────────── */
#backToTop {
  position: fixed;
  bottom: 28px;
  right: 24px;
  z-index: 500;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s var(--ease-out), background 0.2s;
  touch-action: manipulation;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

#backToTop svg {
  width: 20px;
  height: 20px;
  display: block;
  pointer-events: none;
}

#backToTop.btt--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#backToTop:hover { background: var(--gray-800); }

/* ============================================================
   MOBILE SCROLL PERFORMANCE
   ============================================================ */
@media (max-width: 900px) {

  /* Prevent rubber-band bounce from causing scroll jank */
  body {
    overscroll-behavior-y: contain;
  }

  /* Eliminate 300ms tap delay on every interactive element */
  a, button, input, select, textarea, [role="button"] {
    touch-action: manipulation;
  }

  /* Kill reveal animations on mobile — running CSS transitions
     while scrolling steals frame budget and causes stutter.
     Cards appear immediately instead. */
  .reveal, .reveal-left, .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
  }
  .reveal-delay-1, .reveal-delay-2,
  .reveal-delay-3, .reveal-delay-4 {
    transition-delay: 0s !important;
  }

  /* No hover-scale on touch screens — also removes the
     implicit GPU layer the transition hint creates */
  .artwork-card__img-wrap img,
  .img-wrap img {
    transition: none !important;
    will-change: auto !important;
  }
  .artwork-card:hover .artwork-card__img-wrap img,
  .img-wrap:hover img {
    transform: none !important;
  }

  /* Frosted-glass blur on the nav fires a GPU re-composite
     on every scroll tick — replace with solid background */
  .nav.scrolled {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(255, 255, 255, 0.98) !important;
  }
}