/* ============================================================
   MinimaStay — Main Stylesheet
   ============================================================ */

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* --- CSS Variables --- */
:root {
  --bg:           #F8F7F5;
  --surface:      #FFFFFF;
  --dark:         #1C1C1C;
  --medium:       #6B6560;
  --light:        #EDE9E4;
  --accent:       #C4A882;
  --accent-dark:  #A8896A;
  --border:       #E2DDD8;

  --font-sans:    'Inter', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --font-serif:   'Noto Serif JP', Georgia, serif;

  --nav-h:        72px;
  --max-w:        1200px;
  --sp:           100px 0;
}

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 400; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Layout --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--sp); }
.section--dark { background-color: var(--dark); color: var(--bg); }
.section--light { background-color: var(--light); }

.section__header { text-align: center; margin-bottom: 60px; }

.section__label {
  font-size: 0.6875rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-family: var(--font-serif);
  font-weight: 300;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 13px 30px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
  font-family: var(--font-sans);
  white-space: nowrap;
  line-height: 1;
}

.btn--primary  { background: var(--dark);  color: var(--bg);   border-color: var(--dark); }
.btn--primary:hover  { background: transparent; color: var(--dark); }

.btn--outline  { background: transparent; color: var(--dark); border-color: var(--dark); }
.btn--outline:hover  { background: var(--dark); color: var(--bg); }

.btn--white    { background: transparent; color: #fff; border-color: #fff; }
.btn--white:hover    { background: #fff; color: var(--dark); }

.btn--accent   { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--accent:hover   { background: var(--accent-dark); border-color: var(--accent-dark); }

/* --- Scroll-in animation --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.in-view { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }


/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(248, 247, 245, 0.93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.07); }

.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header__logo {
  font-size: 1.0625rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--dark);
  flex-shrink: 0;
}
.header__logo em { font-style: normal; color: var(--accent); }

.header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.header__nav a {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--medium);
  transition: color 0.2s;
}
.header__nav a:hover,
.header__nav a.active { color: var(--dark); }

.header__right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

/* Language Switcher */
.lang-sw {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 0.75rem;
}
.lang-sw button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 7px;
  color: var(--medium);
  font-size: 0.75rem;
  font-family: var(--font-sans);
  transition: color 0.2s;
  border-radius: 2px;
}
.lang-sw button:hover,
.lang-sw button.active { color: var(--dark); font-weight: 600; }
.lang-sw .sep { color: var(--border); user-select: none; font-size: 0.625rem; }

/* Hamburger */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.header__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--dark);
  transition: all 0.3s;
}
.header__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.header__toggle.open span:nth-child(2) { opacity: 0; }
.header__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  inset: var(--nav-h) 0 0 0;
  background: var(--bg);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
}
.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-size: 1.125rem;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  color: var(--dark);
  letter-spacing: 0.04em;
}

.mobile-nav .lang-sw {
  margin-top: 32px;
  gap: 8px;
}
.mobile-nav .lang-sw button { font-size: 0.9375rem; padding: 6px 10px; }

.mobile-nav .btn { margin-top: 24px; text-align: center; }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: #1C1C1C;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 20% 60%, rgba(196,168,130,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 20%, rgba(196,168,130,0.05) 0%, transparent 50%),
    linear-gradient(160deg, #1A1A18 0%, #242018 50%, #1A1A1A 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--bg);
  padding: 0 24px;
  max-width: 820px;
}

.hero__label {
  font-size: 0.6875rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: block;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero__title em { font-style: italic; color: var(--accent); }

.hero__subtitle {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: rgba(248,247,245,0.55);
  letter-spacing: 0.12em;
  margin-bottom: 52px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(248,247,245,0.35);
  font-size: 0.625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 44px;
  background: rgba(248,247,245,0.25);
  animation: scrollAnim 2.2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%,100% { opacity: 0.3; transform: scaleY(1); }
  50%      { opacity: 0.9; transform: scaleY(0.75); }
}


/* ============================================================
   CONCEPT
   ============================================================ */
.concept { padding: 120px 0; }

.concept__grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 80px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.concept__text .section__label { text-align: left; }
.concept__text .section__title { text-align: left; margin-bottom: 28px; }
.concept__text p {
  color: var(--medium);
  font-size: 0.9375rem;
  line-height: 1.95;
}
.concept__text p + p { margin-top: 16px; }

.concept__pillars { display: flex; flex-direction: column; gap: 32px; }

.pillar { display: flex; gap: 18px; align-items: flex-start; }
.pillar__num {
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-weight: 600;
  padding-top: 4px;
  flex-shrink: 0;
}
.pillar__title { font-size: 0.9375rem; font-weight: 500; margin-bottom: 6px; }
.pillar__desc  { font-size: 0.8125rem; color: var(--medium); line-height: 1.75; }


/* ============================================================
   ROOMS (Home preview & Rooms page)
   ============================================================ */
.rooms-preview { padding: 100px 0; background: var(--light); }
.rooms-page    { padding: 80px 0 120px; }

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}

.room-card {
  background: var(--surface);
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.room-card:hover { transform: translateY(-5px); box-shadow: 0 14px 48px rgba(0,0,0,0.1); }

/* Placeholder images via CSS */
.room-card__img {
  height: 215px;
  position: relative;
  overflow: hidden;
}
.room-card__img-inner {
  width: 100%;
  height: 100%;
  transition: transform 0.55s ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.room-card:hover .room-card__img-inner { transform: scale(1.04); }

/* Room images — Airbnb CDN (fallback colour shown while loading) */
.img--r1 { background-image: url('../images/r1.jpg'); background-color: #C4A882; }
.img--r2 { background-image: url('../images/r2.jpg'); background-color: #A8BDB4; }
.img--r3 { background-image: url('../images/r3.jpg'); background-color: #B8A898; }
.img--r4 { background-image: url('../images/r4.jpg'); background-color: #B0A8BD; }
.img--r5 { background-image: url('../images/r5.jpg'); background-color: #BDAFA8; }
.img--r6 { background-image: url('../images/r6.jpg'); background-color: #A8B8BD; }
.img--r7 { background-image: url('../images/r7.jpg'); background-color: #BDB8A8; }
.img--r8 { background-image: url('../images/r8.jpg'); background-color: #BDA8B0; }

/* Add a subtle inner pattern to placeholder images */
.room-card__img-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.03) 40px,
    rgba(255,255,255,0.03) 80px
  );
}

.room-card__badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(28,28,28,0.72);
  color: #fff;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  backdrop-filter: blur(6px);
}

.room-card__body { padding: 22px 24px 24px; }

.room-card__area {
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.room-card__name {
  font-size: 1.0625rem;
  font-family: var(--font-serif);
  margin-bottom: 10px;
}
.room-card__desc {
  font-size: 0.8125rem;
  color: var(--medium);
  line-height: 1.75;
  margin-bottom: 16px;
}

.room-card__meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}
.room-card__meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--medium);
}
.room-card__meta-item svg { width: 13px; height: 13px; opacity: 0.6; flex-shrink: 0; }

.room-card__price {
  font-size: 0.8125rem;
  color: var(--medium);
  margin-bottom: 18px;
}
.room-card__price strong { font-size: 1.1875rem; color: var(--dark); font-weight: 500; }

.room-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.room-card__link {
  font-size: 0.75rem;
  color: var(--medium);
  text-decoration: underline;
  text-underline-offset: 3px;
  letter-spacing: 0.05em;
}
.room-card__link:hover { color: var(--dark); }

/* View-all CTA below grid */
.rooms-cta { text-align: center; margin-top: 48px; }

/* Filter (rooms page) */
.rooms-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
  background: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
  color: var(--medium);
}
.filter-btn.active,
.filter-btn:hover { border-color: var(--dark); background: var(--dark); color: var(--bg); }


/* ============================================================
   AREAS
   ============================================================ */
.areas { padding: 100px 0; }

.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.area-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.area-card:hover { border-color: var(--accent); box-shadow: 0 4px 24px rgba(0,0,0,0.06); }

.area-card__num {
  font-size: 0.625rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 14px;
  font-weight: 600;
}
.area-card__name {
  font-size: 1.25rem;
  font-family: var(--font-serif);
  margin-bottom: 14px;
}
.area-card__desc {
  font-size: 0.8125rem;
  color: var(--medium);
  line-height: 1.85;
  margin-bottom: 22px;
}
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border: 1px solid var(--border);
  color: var(--medium);
  border-radius: 99px;
}


/* ============================================================
   FEATURES
   ============================================================ */
.features { padding: 100px 0; background: var(--light); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  text-align: center;
}

.feature__icon { width: 44px; height: 44px; margin: 0 auto 20px; color: var(--accent); }
.feature__title { font-size: 0.9375rem; font-weight: 500; margin-bottom: 10px; }
.feature__desc  { font-size: 0.8125rem; color: var(--medium); line-height: 1.8; }


/* ============================================================
   BOOKING CTA
   ============================================================ */
.booking-cta {
  padding: 120px 0;
  background: var(--dark);
  text-align: center;
  color: var(--bg);
}

.booking-cta__label {
  font-size: 0.6875rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: block;
}
.booking-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.5rem);
  font-weight: 300;
  margin-bottom: 16px;
}
.booking-cta__text {
  color: rgba(248,247,245,0.55);
  font-size: 0.9375rem;
  margin-bottom: 44px;
}

/* Airhost widget placeholder */
.airhost-widget {
  max-width: 760px;
  margin: 0 auto 44px;
  border: 1px dashed rgba(196,168,130,0.35);
  padding: 48px 32px;
  font-size: 0.8125rem;
  color: rgba(248,247,245,0.35);
  letter-spacing: 0.05em;
  line-height: 1.9;
}
.airhost-widget a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }


/* ============================================================
   CONTACT
   ============================================================ */
.contact-section { padding: 100px 0; }
.contact-page    { padding: 80px 0 120px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 18px;
}
.contact-info p { font-size: 0.875rem; color: var(--medium); line-height: 1.9; margin-bottom: 36px; }

.contact-details { display: flex; flex-direction: column; gap: 14px; }
.contact-detail  { display: flex; gap: 12px; font-size: 0.8125rem; color: var(--medium); }
.contact-detail strong { color: var(--dark); min-width: 68px; }

/* Form */
.form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--medium);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 15px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--dark);
  outline: none;
  border-radius: 0;
  width: 100%;
  -webkit-appearance: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus  { border-color: var(--accent); }
.form-group textarea { min-height: 130px; resize: vertical; }

.form-notice { font-size: 0.75rem; color: var(--medium); line-height: 1.7; }

/* Form success state */
.form-success {
  display: none;
  padding: 24px;
  background: var(--light);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--dark);
}
.form-success.visible { display: block; }


/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: 170px 0 72px;
  background: var(--dark);
  color: var(--bg);
  text-align: center;
}
.page-hero__label {
  font-size: 0.6875rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}
.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--dark); color: rgba(248,247,245,0.45); padding: 64px 0 32px; }

.footer__grid {
  display: grid;
  grid-template-columns: 5fr 2fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__logo {
  font-size: 1.0625rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--bg);
  margin-bottom: 14px;
  display: block;
}
.footer__logo em { font-style: normal; color: var(--accent); }
.footer__tagline { font-size: 0.8125rem; line-height: 1.8; max-width: 240px; }

.footer__col h4 {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bg);
  margin-bottom: 18px;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col ul a { font-size: 0.8125rem; color: rgba(248,247,245,0.45); transition: color 0.2s; }
.footer__col ul a:hover { color: var(--bg); }

.footer__bottom {
  border-top: 1px solid rgba(248,247,245,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__links { display: flex; gap: 20px; }
.footer__links a { color: rgba(248,247,245,0.45); transition: color 0.2s; }
.footer__links a:hover { color: var(--bg); }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .areas-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- Tablet ---- */
@media (max-width: 768px) {
  :root { --sp: 64px 0; }

  /* Header: hide desktop nav & lang switcher; show hamburger */
  .header__nav,
  .header__right .lang-sw,
  .header__right .btn { display: none; }
  .header__toggle { display: flex; }

  /* Section spacing */
  .section__header { margin-bottom: 40px; }
  .rooms-preview  { padding: 64px 0; }
  .rooms-page     { padding: 60px 0 80px; }

  /* Room grid: 2 columns on tablet */
  .rooms-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* Page hero */
  .page-hero { padding: 120px 0 48px; }

  /* Booking CTA */
  .booking-cta { padding: 64px 0; }
  .airhost-widget { padding: 32px 20px; }

  /* Layouts */
  .concept__grid  { grid-template-columns: 1fr; gap: 48px; }
  .areas-grid     { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid   { grid-template-columns: 1fr; gap: 48px; }

  .footer__grid   { grid-template-columns: 1fr 1fr; }
  .footer__brand  { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; text-align: center; gap: 12px; }
}

/* ---- Mobile ---- */
@media (max-width: 480px) {
  :root { --sp: 52px 0; }

  /* Section spacing */
  .section__header { margin-bottom: 28px; }
  .rooms-preview  { padding: 52px 0; }
  .rooms-page     { padding: 48px 0 64px; }

  /* Room grid: single column */
  .rooms-grid    { grid-template-columns: 1fr; gap: 16px; }

  /* Room card: taller image on full-width card */
  .room-card__img { height: 240px; }

  /* Features / footer */
  .features-grid { grid-template-columns: 1fr; }
  .footer__grid  { grid-template-columns: 1fr; }

  /* Hero CTA buttons */
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 280px; text-align: center; }

  /* Misc */
  .contact-detail { flex-direction: column; gap: 4px; }
  .rooms-cta      { margin-top: 28px; }
  .container      { padding: 0 18px; }
}