/*
  lightatelier public site styles

  Structure:
  1. Base tokens and reset
  2. Slider and shared slide typography
  3. Hero, gallery, forms, checkout
  4. Navigation, footer, lightbox
  5. Responsive viewports
  6. Motion preferences
*/

/* 1. Base tokens and reset. */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #070708;
  --bg-dark: #030304;
  --panel: rgba(10, 10, 11, 0.94);
  --panel-soft: rgba(31, 31, 34, 0.72);
  --text: #f5f5f5;
  --text-strong: #fff;
  --muted: #b8b8b8;
  --muted-3: #9a9a9a;
  --muted-2: #777777;
  --accent: #dedede;
  --border: rgba(245, 245, 245, 0.12);
  --border-subtle: rgba(245, 245, 245, 0.08);
  --border-soft: rgba(245, 245, 245, 0.1);
  --border-control: rgba(245, 245, 245, 0.14);
  --slide-gap: 64px;
  --box-width: 460px;
  --box-height: 420px;
  --footer-height: 76px;
  --mobile-nav-height: 70px;
}

html,
body {
  width: 100%;
  height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  overflow-x: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
  min-width: 0;
}

button {
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 2. Slider and shared slide typography. */
.page-slider {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  -webkit-overflow-scrolling: touch;
}

.page-slider::-webkit-scrollbar {
  display: none;
}

body.footer-open .page-slider {
  transform: translateY(calc(-1 * var(--footer-height)));
}

.slide {
  min-width: 100vw;
  height: 100vh;
  height: 100dvh;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: repeat(2, minmax(300px, var(--box-width)));
  justify-content: center;
  align-items: center;
  gap: var(--slide-gap);
  padding: 58px 6% 120px;
  position: relative;
}

.slide-content {
  width: 100%;
  max-width: var(--box-width);
  min-width: 0;
}

.eyebrow {
  display: block;
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}

.slide-title {
  font-size: clamp(2.5rem, 4.3vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: 0;
  margin-bottom: 15px;
  overflow-wrap: anywhere;
}

.slide-text {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
  margin-bottom: 20px;
}

.price {
  display: block;
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 18px;
}

.art-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin: 0 0 22px;
  padding: 0;
  border: 0;
}

.art-detail span {
  display: block;
  color: var(--muted-2);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.art-detail strong {
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
}

.text-button,
.slide-content > button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0;
  transition: transform 0.2s ease, color 0.2s ease;
}

.text-button:hover,
.slide-content > button:hover {
  color: var(--text-strong);
  transform: translateX(4px);
}

.text-button:disabled,
.slide-content > button:disabled {
  color: var(--muted-2);
  cursor: not-allowed;
  transform: none;
}

.accent-link {
  color: var(--accent);
}

.button-row {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.event-details {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.event-details p + p {
  margin-top: 4px;
}

.event-details a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.event-details a:hover {
  color: var(--text-strong);
}

/* 3. Hero, gallery, forms, checkout. */
.home-slide {
  --hero-overlay-left: rgba(3, 3, 4, 0.92);
  --hero-overlay-middle: rgba(7, 7, 8, 0.54);
  --hero-overlay-right: rgba(7, 7, 8, 0.12);
  --hero-overlay-top: rgba(3, 3, 4, 0.05);
  --hero-overlay-bottom: rgba(3, 3, 4, 0.3);
  --hero-backdrop-opacity: 0.42;
  --hero-light-center: rgba(255, 255, 255, 0);
  --hero-light-color: rgba(255, 255, 255, 0);
  --hero-light-edge: rgba(255, 255, 255, 0);
  --hero-light-opacity: 0;
  --hero-image-filter: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 58px 9.5% 92px;
  overflow: hidden;
  background: var(--bg-dark);
}

.home-slide::before {
  content: "";
  position: absolute;
  inset: -22px;
  z-index: 0;
  background-image: var(--hero-bg-image);
  background-size: cover;
  background-position: center;
  filter: blur(18px) saturate(0.9);
  opacity: var(--hero-backdrop-opacity);
  transform: scale(1.04);
}

.home-picture {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  overflow: hidden;
}

.home-picture::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(circle at 68% 36%, var(--hero-light-center) 0%, var(--hero-light-color) 28%, var(--hero-light-edge) 64%, transparent 100%);
  mix-blend-mode: screen;
  opacity: var(--hero-light-opacity);
}

.home-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  z-index: 1;
  opacity: 0.96;
  filter: var(--hero-image-filter);
}

.home-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, var(--hero-overlay-left) 0%, var(--hero-overlay-middle) 42%, var(--hero-overlay-right) 100%),
    linear-gradient(180deg, var(--hero-overlay-top) 0%, var(--hero-overlay-bottom) 100%);
}

.home-content {
  position: relative;
  z-index: 3;
  max-width: 460px;
}

.visual-box,
.form-box {
  width: var(--box-width);
  width: min(var(--box-width), 100%);
  max-width: 100%;
  min-width: 0;
  justify-self: start;
}

.visual-box {
  height: var(--box-height);
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  border: 0;
  padding: 0;
}

.visual-box picture {
  width: 100%;
  height: 100%;
  display: block;
}

.visual-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.gallery-wrapper {
  position: relative;
  width: calc(var(--box-width) + 112px);
  max-width: calc(100% + 112px);
  min-width: 0;
  display: grid;
  grid-template-columns: 40px minmax(0, var(--box-width)) 40px;
  column-gap: 16px;
  align-items: center;
  justify-content: center;
  justify-self: start;
}

.gallery-wrapper .visual-box {
  width: 100%;
  height: var(--box-height);
  max-width: var(--box-width);
  justify-self: center;
  overflow: hidden;
}

.gallery-arrow {
  position: static;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  box-shadow: none;
  color: var(--text);
  font-size: 1.65rem;
  padding: 0;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
  z-index: 5;
}

.gallery-arrow:hover {
  transform: scale(1.12);
  color: var(--accent);
}

.gallery-arrow.left {
  left: 0;
}

.gallery-arrow.right {
  right: 0;
}

.form-box {
  background: linear-gradient(145deg, var(--panel), var(--panel-soft));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 30px 28px;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.62), inset 0 1px 0 var(--border-subtle);
}

.checkout-form {
  max-height: min(72vh, 660px);
  max-height: min(72dvh, 660px);
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 24px;
  padding-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(222, 222, 222, 0.55) transparent;
}

.checkout-form::-webkit-scrollbar {
  width: 6px;
}

.checkout-form::-webkit-scrollbar-track {
  background: transparent;
}

.checkout-form::-webkit-scrollbar-thumb {
  background: rgba(222, 222, 222, 0.55);
  border-radius: 999px;
}

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

.summary-row {
  margin-bottom: 8px;
  color: var(--muted-3);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-row strong {
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
}

.checkout-items {
  margin: 10px 0 12px;
}

.checkout-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid var(--border-subtle);
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.35;
}

.remove-item-button {
  flex: 0 0 auto;
  border: 1px solid var(--border-control);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.remove-item-button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.input-group {
  margin-top: 14px;
}

.input-group input,
.input-group textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-control);
  padding: 12px 0;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.25;
  transition: border-color 0.2s ease;
}

.input-group input:focus,
.input-group textarea:focus {
  border-bottom-color: var(--accent);
}

.input-group textarea {
  height: 45px;
  resize: none;
  letter-spacing: 0;
  word-spacing: 0;
  overflow: hidden;
}

.section-divider {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border-soft);
}

.contact-slide .section-divider {
  padding-top: 0;
  border-top: 0;
}

.mini-title {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.mini-label {
  color: var(--muted-3);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.appointment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.appointment-grid input,
.appointment-grid select {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 12px;
  color: var(--text);
}

.date-field {
  position: relative;
  width: 100%;
}

.date-field::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  pointer-events: none;
  background: no-repeat center / 18px 18px url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='18'%20height='18'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%23dedede'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M8%202v4'/%3E%3Cpath%20d='M16%202v4'/%3E%3Crect%20width='18'%20height='18'%20x='3'%20y='4'%20rx='2'/%3E%3Cpath%20d='M3%2010h18'/%3E%3C/svg%3E");
}

.date-field input[type="date"] {
  padding-right: 42px;
}

.appointment-grid input[type="date"] {
  color-scheme: dark;
}

.appointment-grid input[type="date"]::-webkit-calendar-picker-indicator {
  position: absolute;
  right: 10px;
  width: 22px;
  height: 22px;
  cursor: pointer;
  opacity: 0;
}

.appointment-grid select option {
  background: var(--bg);
  color: var(--text);
}

.note,
.guest-note {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
  margin-top: 10px;
  margin-bottom: 14px;
}

.payment-option {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 0.9rem;
}

.payment-option label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.payment-option input {
  accent-color: var(--text);
}

.payment-option span {
  color: var(--muted-3);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.checkout-step {
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-top: 14px;
}

.checkout-step:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.step-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0;
  text-align: left;
}

.step-header strong {
  font-size: 0.92rem;
}

.step-header span {
  color: var(--accent);
  font-size: 1rem;
  transition: transform 0.25s ease;
}

.checkout-step.open .step-header span {
  transform: rotate(45deg);
}

.step-content {
  display: none;
  padding-top: 10px;
}

.checkout-step.open .step-content {
  display: block;
}

.voucher-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.voucher-apply {
  border: 1px solid var(--border-control);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.voucher-apply:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 4. Navigation, footer, lightbox. */
.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 56px;
  z-index: 70;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted-2);
  white-space: nowrap;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

body.footer-open .bottom-nav {
  transform: translate(-50%, calc(-1 * var(--footer-height)));
}

.bottom-nav button {
  position: relative;
  border: 0;
  background: transparent;
  color: var(--muted-2);
  font-size: 0.73rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding-top: 14px;
  line-height: 1;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.bottom-nav button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background: var(--accent);
  opacity: 0.45;
  transition: width 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.bottom-nav button.active {
  color: var(--text);
}

.bottom-nav button.active::before {
  width: 48px;
  height: 3px;
  background: var(--text);
  opacity: 1;
}

.nav-arrow {
  padding: 0 2px !important;
  color: #d8d8d8 !important;
  font-size: 1.35rem !important;
  letter-spacing: 0 !important;
  transform: translateY(-1px);
}

.nav-arrow::before {
  display: none;
}

.site-footer {
  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 40;
  width: 100%;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 9.5%;
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  color: var(--muted-3);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  transform: translate3d(0, 100%, 0);
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

body.footer-open .site-footer {
  transform: translate3d(0, 0, 0);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: flex-start;
  width: 100%;
}

.footer-socials span {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer a,
.social-link {
  color: var(--muted-3);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.social-icon {
  color: var(--accent);
  font-size: 0.86rem;
}

.site-footer a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.94);
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* 5. Responsive viewports. */
@media (max-width: 900px) {
  html,
  body {
    height: auto;
    min-height: 100%;
  }

  body {
    overflow: auto;
    overflow-x: hidden;
  }

  body.footer-open .page-slider {
    transform: none;
  }

  .page-slider {
    width: 100%;
    height: auto;
    min-height: 100%;
    display: block;
    overflow: visible;
    scroll-snap-type: y proximity;
    transform: none !important;
  }

  .slide,
  .checkout-slide,
  .contact-slide {
    width: 100%;
    min-width: 0;
    min-height: 0;
    height: auto;
    grid-template-columns: minmax(0, min(100%, 620px));
    align-content: start;
    align-items: start;
    justify-content: center;
    gap: clamp(20px, 5vw, 36px);
    padding: clamp(42px, 9vw, 72px) clamp(18px, 6vw, 56px) clamp(38px, 9vw, 68px);
    overflow-x: hidden;
  }

  .home-slide {
    min-height: 100vh;
    min-height: 100svh;
    align-items: center;
    padding: clamp(76px, 13vw, 108px) clamp(20px, 7vw, 64px) calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + clamp(28px, 8vw, 56px));
  }

  .home-slide::after {
    background:
      linear-gradient(90deg, var(--hero-overlay-left) 0%, var(--hero-overlay-middle) 48%, var(--hero-overlay-right) 100%),
      linear-gradient(180deg, var(--hero-overlay-top) 0%, var(--hero-overlay-bottom) 100%);
  }

  .home-content {
    max-width: min(460px, 92vw);
  }

  .home-bg {
    object-position: center center;
  }

  .slide-content {
    max-width: 620px;
    justify-self: stretch;
  }

  .slide-title {
    font-size: clamp(2.2rem, 10vw, 3.6rem);
    line-height: 1;
    letter-spacing: 0;
  }

  .slide-text {
    font-size: clamp(0.94rem, 2.5vw, 1.05rem);
    max-width: 38rem;
  }

  .visual-box,
  .gallery-wrapper,
  .form-box {
    width: 100%;
    max-width: 620px;
    justify-self: stretch;
  }

  .gallery-wrapper {
    width: 100%;
    max-width: 100%;
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    column-gap: 10px;
  }

  .gallery-wrapper .visual-box {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .visual-box {
    height: auto;
    aspect-ratio: 4 / 3;
    border-radius: 0;
  }

  .gallery-arrow {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(7, 7, 8, 0.54);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    font-size: 1.35rem;
  }

  .gallery-arrow.left {
    left: 10px;
  }

  .gallery-arrow.right {
    right: 10px;
  }

  .form-box {
    padding: clamp(22px, 5vw, 30px);
    border-radius: 18px;
  }

  .checkout-form {
    max-height: none;
    overflow: visible;
    padding-right: clamp(22px, 5vw, 30px);
    padding-bottom: clamp(22px, 5vw, 30px);
  }

  .checkout-step {
    padding-top: 16px;
    margin-top: 16px;
  }

  .bottom-nav {
    position: fixed;
    left: 50%;
    right: auto;
    bottom: calc(34px + env(safe-area-inset-bottom));
    width: min(calc(100% - 24px), 680px);
    max-width: calc(100% - 24px);
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, 2.3vw, 18px);
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    scrollbar-width: none;
  }

  .bottom-nav::-webkit-scrollbar {
    display: none;
  }

  body.footer-open .bottom-nav {
    transform: translateX(-50%);
  }

  .bottom-nav button {
    flex: 0 0 auto;
    min-width: auto;
    min-height: 0;
    font-size: clamp(0.58rem, 2vw, 0.7rem);
    line-height: 1;
    letter-spacing: 0.075em;
    text-align: center;
    white-space: nowrap;
    overflow-wrap: normal;
    padding: 14px 0 0;
  }

  .bottom-nav button::before {
    top: 0;
    width: 18px;
  }

  .bottom-nav button.active::before {
    width: 34px;
  }

  .nav-arrow {
    width: auto;
    min-width: auto;
    padding: 0 2px !important;
    font-size: 1.18rem !important;
  }

  .site-footer {
    position: relative;
    inset: auto;
    z-index: 1;
    width: 100%;
    height: auto;
    min-height: 0;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 26px clamp(20px, 6vw, 56px) calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + 28px);
    transform: none;
    transition: none;
  }

  .footer-socials {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 520px) {
  :root {
    --mobile-nav-height: 78px;
  }

  .slide,
  .checkout-slide,
  .contact-slide {
    align-content: start;
    gap: 20px;
    padding-top: 42px;
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 42px;
  }

  .home-slide {
    align-content: center;
    padding-top: 78px;
  }

  .home-bg {
    object-position: center center;
  }

  .slide-title {
    font-size: clamp(2.05rem, 12vw, 3rem);
    letter-spacing: 0;
  }

  .slide-text {
    line-height: 1.5;
  }

  .visual-box,
  .gallery-wrapper .visual-box {
    aspect-ratio: 1 / 1;
  }

  .art-details,
  .appointment-grid,
  .voucher-row {
    grid-template-columns: 1fr;
  }

  .payment-option,
  .checkout-item-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .voucher-apply {
    width: 100%;
  }

  .bottom-nav {
    bottom: calc(28px + env(safe-area-inset-bottom));
    width: min(calc(100% - 20px), 520px);
    max-width: calc(100% - 20px);
    gap: clamp(7px, 2.1vw, 12px);
  }

  .bottom-nav button {
    font-size: clamp(0.5rem, 2.35vw, 0.58rem);
  }

  .nav-arrow {
    font-size: 1.05rem !important;
  }
}

@supports not (aspect-ratio: 1 / 1) {
  @media (max-width: 900px) {
    .visual-box,
    .gallery-wrapper .visual-box {
      height: clamp(280px, 64vw, 460px);
    }
  }

  @media (max-width: 520px) {
    .visual-box,
    .gallery-wrapper .visual-box {
      height: calc(100vw - 40px);
      max-height: 420px;
    }
  }
}

@media (max-width: 380px) {
  .slide,
  .checkout-slide,
  .contact-slide {
    padding-left: 16px;
    padding-right: 16px;
  }

  .form-box {
    padding: 20px 18px;
    border-radius: 16px;
  }

  .bottom-nav {
    width: min(calc(100% - 16px), 360px);
    max-width: calc(100% - 16px);
    gap: 6px;
  }

  .bottom-nav button {
    font-size: 0.48rem;
    letter-spacing: 0.02em;
  }
}

@media (min-width: 901px) and (max-height: 820px) {
  :root {
    --slide-gap: 42px;
    --box-width: 420px;
    --box-height: 360px;
  }

  .slide {
    padding: 42px 5% 96px;
  }

  .home-slide {
    padding: 42px 8% 84px;
  }

  .slide-title {
    font-size: clamp(2.25rem, 3.8vw, 3.8rem);
    margin-bottom: 12px;
  }

  .slide-text {
    margin-bottom: 16px;
  }

  .art-details {
    gap: 8px 14px;
    margin-bottom: 18px;
    padding: 0;
  }

  .form-box {
    padding: 24px 24px;
  }

  .checkout-form {
    max-height: min(68vh, 560px);
    max-height: min(68dvh, 560px);
  }

  .bottom-nav {
    bottom: 38px;
    gap: 14px;
  }
}

@media (min-width: 901px) and (max-width: 1180px) {
  :root {
    --slide-gap: 40px;
    --box-width: 410px;
  }

  .slide {
    grid-template-columns: minmax(320px, var(--box-width)) minmax(320px, var(--box-width));
    padding-left: 4.5%;
    padding-right: 4.5%;
  }

  .gallery-wrapper {
    width: calc(var(--box-width) + 96px);
    max-width: calc(100% + 96px);
    grid-template-columns: 36px minmax(0, var(--box-width)) 36px;
    column-gap: 12px;
  }
}

@media (min-width: 901px) and (max-width: 1320px) {
  .gallery-wrapper {
    width: calc(var(--box-width) + 96px);
    max-width: calc(100% + 96px);
    grid-template-columns: 42px minmax(0, var(--box-width)) 42px;
    column-gap: 12px;
  }

  .gallery-arrow {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(7, 7, 8, 0.44);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    font-size: 1.35rem;
  }

  .gallery-arrow.left {
    left: 14px;
  }

  .gallery-arrow.right {
    right: 14px;
  }
}

/* 6. Motion preferences. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}