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

:root {
  --color-bg: #faf8f4;
  --color-dark: #1a1510;
  --color-dark-2: #2c2418;
  --color-cream: #f4f0e8;
  --color-gold: #b8975a;
  --color-gold-light: #d4b278;
  --color-text: #2c2418;
  --color-text-muted: #6b5e4a;
  --color-white: #ffffff;
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --nav-height: 64px;
  --section-pad: 96px;
  --container: 1100px;
  --radius: 4px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}
.btn--primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.1em;
}
.btn--gold:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.btn--outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.1);
}

.btn--instagram {
  background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: var(--color-white);
}
.btn--instagram:hover {
  opacity: 0.9;
}

.btn--large {
  padding: 18px 48px;
  font-size: 15px;
}

/* ===========================
   Section Shared
=========================== */
.section {
  padding: var(--section-pad) 0;
}

.section--dark {
  background: var(--color-dark);
}

.section--cream {
  background: var(--color-cream);
}

.section__eyebrow {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section__eyebrow--light {
  color: var(--color-gold-light);
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 48px;
}

.section__title--light {
  color: var(--color-white);
}

/* Image placeholder styling */
.img-placeholder {
  background: linear-gradient(135deg, #2c2418 0%, #4a3928 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}
.img-placeholder::after {
  content: "BISTRO LUPIN";
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.2);
}

/* ===========================
   Navigation
=========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(26, 21, 16, 0.97);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

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

.nav__logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-white);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}

.nav__links a:hover {
  color: var(--color-gold-light);
}

.nav__reserve {
  background: var(--color-gold);
  color: var(--color-white) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
}

.nav__reserve:hover {
  background: var(--color-gold-light) !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--transition);
}

.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===========================
   Hero
=========================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('images/hero.jpg') center / cover no-repeat;
  background-color: var(--color-dark-2);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,8,5,0.5) 0%, rgba(10,8,5,0.6) 60%, rgba(10,8,5,0.8) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  padding: 0 24px;
}

.hero__sub {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(56px, 12vw, 110px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}

.hero__tagline {
  font-size: 15px;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin-bottom: 48px;
}

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

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.5));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.8); }
}

/* ===========================
   Info Bar
=========================== */
.infobar {
  background: var(--color-dark);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.infobar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.infobar__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.infobar__item:last-child {
  border-right: none;
}

.infobar__icon {
  font-size: 20px;
  flex-shrink: 0;
}

.infobar__label {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 3px;
}

.infobar__value {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.4;
}

.infobar__value a {
  color: var(--color-gold-light);
}

/* ===========================
   Concept
=========================== */
.concept__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.concept__img-wrap {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius);
}

.concept__img-wrap img {
  width: 100%;
  transition: transform 0.6s ease;
}

.concept__img-wrap:hover img {
  transform: scale(1.03);
}

.concept__body {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.9;
}

.concept__features {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.concept__features li {
  font-size: 14px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===========================
   Menu
=========================== */
.menu__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.menu__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: border-color var(--transition);
}

.menu__card:hover {
  border-color: rgba(184, 151, 90, 0.4);
}

.menu__card--featured {
  border-color: var(--color-gold);
  background: rgba(184, 151, 90, 0.06);
}

.menu__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-white);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: 20px;
}

.menu__label {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.menu__course-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 12px;
}

.menu__price {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 300;
  color: var(--color-gold-light);
  margin-bottom: 24px;
  line-height: 1;
}

.menu__price span {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

.menu__items {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.menu__items li {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  padding-left: 16px;
  position: relative;
}

.menu__items li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  opacity: 0.6;
}

.menu__note {
  margin-top: 20px;
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

.menu__blackboard {
  margin: 48px auto 0;
  max-width: 720px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}

.menu__blackboard img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.menu__cta {
  text-align: center;
}

/* ===========================
   Gallery
=========================== */
.gallery .section__eyebrow,
.gallery .section__title {
  text-align: center;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 6px;
  margin-top: 0;
}

.gallery__item {
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--color-dark-2);
}

.gallery__item--large {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery__item:hover img {
  transform: scale(1.05);
}

/* ===========================
   Instagram
=========================== */
.instagram .section__eyebrow,
.instagram .section__title {
  text-align: center;
}

.instagram__lead {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: -24px;
  margin-bottom: 40px;
}

.instagram__feed {
  min-height: 240px;
  margin-bottom: 40px;
}

.instagram__placeholder {
  background: rgba(0,0,0,0.04);
  border: 1.5px dashed rgba(0,0,0,0.12);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  color: var(--color-text-muted);
  font-size: 14px;
  text-align: center;
  gap: 16px;
}

.instagram__placeholder-icon {
  font-size: 40px;
}

.instagram__cta {
  text-align: center;
}

/* ===========================
   Access
=========================== */
.access .container {
  text-align: center;
  margin-bottom: 48px;
}

.access .section__title {
  margin-bottom: 0;
}

.access__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}

.access__map {
  position: relative;
  min-height: 400px;
}

.access__map iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

.access__info {
  padding: 48px;
  background: var(--color-cream);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.access__heading {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.access__dl {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px 16px;
  font-size: 13px;
  line-height: 1.7;
}

.access__dl dt {
  color: var(--color-gold);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding-top: 2px;
  font-weight: 500;
}

.access__dl dd a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.access__stations {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.access__stations li {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.access__station-line {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  color: white;
  font-size: 11px;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

/* ===========================
   Reservation CTA
=========================== */
.reserve-cta {
  background: var(--color-dark-2);
  padding: 96px 0;
  text-align: center;
  color: var(--color-white);
}

.reserve-cta__sub {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.reserve-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 300;
  margin-bottom: 20px;
}

.reserve-cta__body {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 2;
  margin-bottom: 48px;
}

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

/* ===========================
   Recruit
=========================== */
.recruit__lead {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: -24px;
  margin-bottom: 48px;
  line-height: 2;
}

.recruit .section__eyebrow,
.recruit .section__title {
  text-align: center;
}

.recruit__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 48px;
}

.recruit__card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  text-align: center;
}

.recruit__card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.recruit__position {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.recruit__dl {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px 16px;
  font-size: 13px;
  text-align: left;
  line-height: 1.7;
}

.recruit__dl dt {
  color: var(--color-gold);
  font-size: 11px;
  letter-spacing: 0.05em;
  font-weight: 500;
  padding-top: 2px;
}

.recruit__dl dd {
  color: var(--color-text-muted);
}

.recruit__contact {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ===========================
   Footer
=========================== */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.6);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer__tagline {
  font-size: 12px;
  color: var(--color-gold-light);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.footer__address {
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.footer__tel a {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-gold-light);
  letter-spacing: 0.05em;
}

.footer__hours h4,
.footer__links h4 {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--color-white);
  font-weight: 400;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer__hours-table {
  border-collapse: collapse;
  font-size: 13px;
  width: 100%;
}

.footer__hours-table td {
  padding: 6px 0;
  vertical-align: top;
}

.footer__hours-table td:first-child {
  color: var(--color-gold-light);
  width: 80px;
  font-size: 11px;
  letter-spacing: 0.05em;
  padding-top: 8px;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-gold-light);
}

.footer__bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.25);
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 1024px) {
  .infobar__inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .infobar__item:nth-child(2) {
    border-right: none;
  }

  .concept__grid {
    gap: 48px;
  }

  .menu__grid {
    gap: 16px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer__brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
  }

  /* Nav */
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 21, 16, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav__links.open {
    transform: translateX(0);
  }

  .nav__links a {
    font-size: 18px;
  }

  /* Hero */
  .hero__title {
    font-size: clamp(48px, 14vw, 80px);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  /* Info bar */
  .infobar__inner {
    grid-template-columns: 1fr;
  }

  .infobar__item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .infobar__item:last-child {
    border-bottom: none;
  }

  /* Concept */
  .concept__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .concept__image {
    order: -1;
  }

  /* Menu */
  .menu__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
  }

  .gallery__item--large {
    grid-column: span 2;
  }

  /* Access */
  .access__layout {
    grid-template-columns: 1fr;
  }

  .access__map {
    height: 300px;
    position: relative;
  }

  .access__map iframe {
    position: absolute;
  }

  .access__info {
    padding: 32px 24px;
  }

  /* Reserve CTA */
  .reserve-cta__actions {
    flex-direction: column;
    align-items: center;
  }

  /* Recruit */
  .recruit__cards {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__brand {
    grid-column: 1;
  }
}

@media (max-width: 480px) {
  .access__dl {
    grid-template-columns: 70px 1fr;
  }

  .recruit__dl {
    grid-template-columns: 70px 1fr;
  }

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

  .gallery__item--large {
    grid-column: 1;
    aspect-ratio: 4/3;
  }

  .gallery__item {
    aspect-ratio: 4/3;
  }
}