/* ============================================
   Nipona - Japanese Restaurant
   Colors: Deep Charcoal #1a1a1a, Vermillion #d4442a, Cream #faf7f2
   Fonts: Noto Serif JP + Outfit
   ============================================ */

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

:root {
  --charcoal: #1a1a1a;
  --vermillion: #d4442a;
  --vermillion-dark: #b5361f;
  --cream: #faf7f2;
  --cream-dark: #f0ebe3;
  --white: #ffffff;
  --text: #2d2d2d;
  --text-light: #777777;
  --shadow: 0 2px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

body {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  line-height: 1.2;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Utility --- */
.section-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin-bottom: 0.5rem;
  display: block;
  font-weight: 600;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 2px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition);
}

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

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

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

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: var(--charcoal);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
}

.nav-logo span {
  color: var(--vermillion);
  font-size: 0.7em;
  margin-left: 0.3rem;
  font-weight: 400;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--white);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--vermillion);
}

.nav-cta {
  background: var(--vermillion) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.2rem;
  border-radius: 3px;
}
.nav-cta:hover {
  background: var(--vermillion-dark) !important;
}
.nav-cta.active::after {
  display: none !important;
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* --- Hamburger --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--charcoal);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-120%);
    transition: transform var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: 0.75rem 0;
  background: var(--cream);
  border-bottom: 1px solid var(--cream-dark);
}

.breadcrumbs ol {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light);
}

.breadcrumbs a {
  color: var(--text-light);
  transition: color var(--transition);
}
.breadcrumbs a:hover {
  color: var(--vermillion);
}

.breadcrumbs .separator {
  color: var(--text-light);
}

.breadcrumbs .current {
  color: var(--text);
  font-weight: 600;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--charcoal);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26,26,26,0.55) 0%,
    rgba(26,26,26,0.35) 50%,
    rgba(26,26,26,0.75) 100%
  );
  z-index: 2;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

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

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  padding: 2rem 1.5rem;
  max-width: 800px;
}

.hero-tag {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 6rem);
  color: var(--white);
  margin-bottom: 0.5rem;
  line-height: 1;
  letter-spacing: 0.05em;
}

.hero-kanji {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.4em;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.65);
  border-radius: 3px;
  font-weight: 500;
}

/* --- Page Header (inner pages) --- */
.page-header {
  background: var(--charcoal);
  padding: 8rem 0 3rem;
  text-align: center;
}

.page-header .section-label {
  color: var(--vermillion);
}

.page-header .section-title {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.page-header .section-desc {
  color: rgba(255,255,255,0.6);
  margin: 0 auto;
}

/* --- Sections --- */
.section {
  padding: 5rem 0;
}

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

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

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

.section-dark .section-desc {
  color: rgba(255,255,255,0.6);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.about-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--vermillion);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--vermillion);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* --- Values (About page) --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.value-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 4px;
  border-top: 3px solid var(--vermillion);
  box-shadow: var(--shadow);
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--charcoal);
}

.value-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Menu Section --- */
.menu-categories {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.menu-cat-btn {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.6rem 1.5rem;
  border: 2px solid var(--cream-dark);
  border-radius: 3px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.menu-cat-btn:hover,
.menu-cat-btn.active {
  background: var(--vermillion);
  border-color: var(--vermillion);
  color: var(--white);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.menu-card {
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.menu-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.menu-card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--cream);
}

.menu-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.menu-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--vermillion);
  color: var(--white);
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
}

.menu-card-body {
  padding: 1.25rem;
}

.menu-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--charcoal);
}

.menu-card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.menu-price {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--vermillion);
}

.menu-note {
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
  margin-top: 2rem;
  text-align: center;
  padding: 1.5rem;
  background: var(--cream);
  border-radius: 4px;
}

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  background: var(--cream);
}

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

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-overlay span {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  color: var(--white);
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
  z-index: 2001;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  padding: 1rem;
  line-height: 1;
  transition: background var(--transition);
  z-index: 2001;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.3);
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--vermillion);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 1.2rem;
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  color: var(--charcoal);
}

.contact-item p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.contact-item a {
  color: var(--vermillion);
  transition: color var(--transition);
}
.contact-item a:hover {
  color: var(--vermillion-dark);
}

.contact-map {
  border-radius: 4px;
  overflow: hidden;
  min-height: 400px;
  background: var(--cream);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border: 0;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--cream-dark);
  border-radius: 4px;
  color: var(--text);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--vermillion);
  border-color: var(--vermillion);
  color: var(--white);
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--vermillion);
  padding: 4rem 0;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Featured Dishes (home) --- */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.featured-card {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.featured-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.featured-card-body {
  padding: 1.5rem;
  background: var(--white);
}

.featured-card-body h3 {
  font-size: 1.15rem;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.featured-card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.6);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.footer-brand h3 span {
  color: var(--vermillion);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.footer h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer ul li {
  margin-bottom: 0.5rem;
}

.footer ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer ul a:hover {
  color: var(--vermillion);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--vermillion);
}

/* --- Fade-in Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }
}

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