:root {
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-surface-alt: #f9fafc;
  --color-text: #1f2430;
  --color-muted: #5d6472;
  --color-border: rgba(31, 36, 48, 0.08);
  --color-accent: #2f6fed;
  --color-accent-dark: #1f4fb5;
  --color-accent-contrast: #ffffff;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1.25rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --shadow-sm: 0 20px 45px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 25px 55px rgba(15, 23, 42, 0.12);
  --line-height-base: 1.65;
}

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

body {
  margin: 0;
  font-family: var(--font-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: var(--line-height-base);
}

img {
  max-width: 100%;
  display: block;
}

figure {
  margin: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-accent-dark);
}

a:focus-visible,
button:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid rgba(47, 111, 237, 0.45);
  outline-offset: 3px;
}

.container {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-logo {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.site-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0;
  margin: 0;
}

.site-nav__list a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  background-color: rgba(47, 111, 237, 0.12);
  color: var(--color-accent);
}

main {
  padding-bottom: var(--spacing-xl);
}

h1,
h2,
h3 {
  color: var(--color-text);
  margin-top: 0;
}

h1 {
  font-size: clamp(2.3rem, 2vw + 1.8rem, 3.2rem);
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.75rem, 1.4rem + 1vw, 2.2rem);
  line-height: 1.3;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.3;
}

p {
  margin-block: 0 1rem;
}

ul {
  margin: 0;
  padding-left: 1.25rem;
}

.hero {
  padding-top: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-md);
}

.hero__lead {
  font-size: 1.12rem;
  max-width: 58ch;
  color: var(--color-muted);
}

.promotion {
  margin-top: var(--spacing-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-md);
}

.promotion__intro {
  font-weight: 600;
  font-size: 1.05rem;
}

.promotion__group {
  display: grid;
  gap: 0.35rem;
}

.promotion__group ul {
  display: grid;
  gap: 0.3rem;
}

.floorplan {
  margin-top: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-lg);
}

.floorplan__image-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm);
}

.floorplan__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.floorplan__hint {
  margin-top: var(--spacing-sm);
  font-size: 0.95rem;
  color: var(--color-muted);
}

.room-links {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
}

.room-links__list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0 0;
  display: grid;
  gap: var(--spacing-xs);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.room-links__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
}

.room-links__list a::before {
  content: "›";
  font-size: 1.1rem;
  color: var(--color-accent);
}

.room-links__list a:hover,
.room-links__list a:focus-visible {
  background: rgba(47, 111, 237, 0.1);
  border-color: rgba(47, 111, 237, 0.2);
}

.cta {
  margin-top: var(--spacing-lg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent);
  color: var(--color-accent-contrast);
  font-weight: 600;
  letter-spacing: 0.01em;
  border: none;
  box-shadow: var(--shadow-sm);
}

.button:hover,
.button:focus-visible {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-hover);
}

.page-wrapper {
  padding-top: var(--spacing-xl);
}

.page-header {
  margin-bottom: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-xs);
}

.page-header__meta {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.gallery {
  display: grid;
  gap: var(--spacing-lg);
}

.gallery__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery__item a {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
}

.gallery__item a:hover,
.gallery__item a:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(47, 111, 237, 0.25);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.gallery-pagination a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
}

.gallery-pagination a:hover,
.gallery-pagination a:focus-visible {
  background: rgba(47, 111, 237, 0.1);
  color: var(--color-accent);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox:target {
  display: flex;
}

.lightbox__content {
  position: relative;
  max-width: min(1024px, 90vw);
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
}

.lightbox__close {
  position: absolute;
  top: -1.5rem;
  right: -1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.4rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.site-footer {
  margin-top: var(--spacing-xl);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  color: var(--color-muted);
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: -1;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 999;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

@media (max-width: 900px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav__list {
    width: 100%;
    justify-content: flex-start;
  }

  .promotion {
    padding: var(--spacing-md);
  }

  .room-links {
    padding: var(--spacing-md);
  }
}

@media (max-width: 640px) {
  .gallery-pagination {
    flex-direction: column;
    align-items: stretch;
  }

  .site-header {
    position: static;
  }

  .site-footer__inner {
    justify-content: center;
    text-align: center;
  }

  .hero {
    padding-top: var(--spacing-lg);
  }
}