/* ========================================
   blank_space - styles.css
   Monochrome design system
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray: #666666;
  --color-gray-light: #999999;
  --color-gray-dark: #333333;
  --color-gray-border: #222222;
  --color-gray-bg: #111111;
  --color-overlay: rgba(10, 10, 10, 0.92);

  --font-mono: 'IBM Plex Mono', monospace;
  --font-sans: 'IBM Plex Sans', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 8rem;

  --max-width: 1200px;
  --nav-height: 72px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-gray-light);
}

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

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.3rem); }

p {
  font-size: 1rem;
  color: var(--color-gray-light);
  max-width: 65ch;
}

.mono {
  font-family: var(--font-mono);
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--lg {
  padding: var(--space-xxl) 0;
}

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

.nav--scrolled {
  background-color: rgba(10, 10, 10, 0.95);
  box-shadow: 0 1px 0 var(--color-gray-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

.nav__logo span {
  color: var(--color-gray);
}

.nav__links {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-white);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-white);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-xs);
  background: none;
  border: none;
  z-index: 1001;
}

.hamburger__line {
  width: 24px;
  height: 1.5px;
  background-color: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger--open .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

.hamburger--open .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger--open .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-overlay);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu--open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__link {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  transition: color var(--transition);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  color: var(--color-white);
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: calc(var(--nav-height) + var(--space-md)) 0 var(--space-sm);
}

.breadcrumbs__list {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.breadcrumbs__item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.05em;
}

.breadcrumbs__item a {
  color: var(--color-gray);
}

.breadcrumbs__item a:hover {
  color: var(--color-white);
}

.breadcrumbs__separator {
  color: var(--color-gray-dark);
  font-size: 0.7rem;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: var(--space-xxl) var(--space-md);
}

.hero__content {
  max-width: 800px;
}

.hero__tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gray);
  margin-bottom: var(--space-md);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__title span {
  display: block;
  color: var(--color-gray);
  font-size: 0.5em;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.hero__description {
  font-size: 1.1rem;
  color: var(--color-gray-light);
  margin: 0 auto var(--space-lg);
  max-width: 550px;
}

.hero__meta {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

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

.hero__meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  display: block;
  margin-bottom: var(--space-xs);
}

.hero__meta-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-white);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.9rem 2rem;
  border: 1px solid var(--color-white);
  color: var(--color-white);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

.btn--ghost {
  border-color: var(--color-gray);
  color: var(--color-gray);
}

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

/* --- Section Header --- */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header--center {
  text-align: center;
}

.section-header__label {
  display: block;
  margin-bottom: var(--space-sm);
}

.section-header__title {
  margin-bottom: var(--space-sm);
}

.section-header__description {
  color: var(--color-gray-light);
}

.section-header--center .section-header__description {
  margin: 0 auto;
}

/* --- Info Grid --- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.info-card {
  padding: var(--space-md);
  border: 1px solid var(--color-gray-border);
  transition: border-color var(--transition);
}

.info-card:hover {
  border-color: var(--color-gray);
}

.info-card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.info-card__title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.info-card__text {
  font-size: 0.9rem;
  color: var(--color-gray-light);
}

/* --- Feature Section --- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-gray-border);
}

.feature--reverse {
  direction: rtl;
}

.feature--reverse > * {
  direction: ltr;
}

.feature__image {
  aspect-ratio: 4/3;
  background-color: var(--color-gray-bg);
  border: 1px solid var(--color-gray-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  overflow: hidden;
}

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

.feature__content {
  max-width: 500px;
}

.feature__label {
  display: block;
  margin-bottom: var(--space-sm);
}

.feature__title {
  margin-bottom: var(--space-sm);
}

.feature__text {
  margin-bottom: var(--space-md);
}

/* --- Menu Styles --- */
.menu-category {
  margin-bottom: var(--space-xl);
  border-top: 1px solid var(--color-gray-border);
  padding-top: var(--space-lg);
}

.menu-category__header {
  margin-bottom: var(--space-md);
}

.menu-category__title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

.menu-category__description {
  color: var(--color-gray);
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}

.menu-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-sm);
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-gray-border);
}

.menu-item__name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-white);
}

.menu-item__description {
  font-size: 0.8rem;
  color: var(--color-gray);
  margin-top: 0.25rem;
}

.menu-item__price {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-gray-light);
  white-space: nowrap;
  margin-left: var(--space-md);
}

.menu-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  margin-top: var(--space-md);
  padding: var(--space-sm);
  border: 1px solid var(--color-gray-border);
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xs);
}

.gallery-item {
  aspect-ratio: 1;
  background-color: var(--color-gray-bg);
  border: 1px solid var(--color-gray-border);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition), opacity var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
  opacity: 0.8;
}

.gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--color-gray);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-overlay);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.lightbox--open {
  opacity: 1;
  pointer-events: all;
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-white);
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-xs);
}

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

/* --- Events --- */
.event-card {
  padding: var(--space-md);
  border: 1px solid var(--color-gray-border);
  margin-bottom: var(--space-md);
  transition: border-color var(--transition);
}

.event-card:hover {
  border-color: var(--color-gray);
}

.event-card__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  margin-bottom: var(--space-xs);
}

.event-card__title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.event-card__text {
  font-size: 0.9rem;
  color: var(--color-gray-light);
  margin-bottom: var(--space-sm);
}

.event-card__cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  border-bottom: 1px solid var(--color-gray);
  padding-bottom: 2px;
}

.event-card__cta:hover {
  color: var(--color-white);
  border-color: var(--color-white);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-info__item {
  margin-bottom: var(--space-md);
}

.contact-info__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  margin-bottom: var(--space-xs);
}

.contact-info__value {
  font-size: 1rem;
  color: var(--color-white);
}

.contact-info__value a {
  border-bottom: 1px solid var(--color-gray-border);
  padding-bottom: 2px;
}

.contact-info__value a:hover {
  border-color: var(--color-white);
}

.contact-map {
  aspect-ratio: 1;
  background-color: var(--color-gray-bg);
  border: 1px solid var(--color-gray-border);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(100%) invert(92%) contrast(83%);
}

/* --- Social Links --- */
.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-gray-border);
  padding: var(--space-lg) 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.footer__logo span {
  color: var(--color-gray);
}

.footer__tagline {
  font-size: 0.85rem;
  color: var(--color-gray);
}

.footer__nav {
  display: flex;
  gap: var(--space-lg);
}

.footer__nav-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__nav-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  margin-bottom: var(--space-xs);
}

.footer__nav-link {
  font-size: 0.85rem;
  color: var(--color-gray-light);
}

.footer__nav-link:hover {
  color: var(--color-white);
}

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

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-gray);
  letter-spacing: 0.05em;
}

/* --- Fade In Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* --- Page Header (for inner pages) --- */
.page-header {
  padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-gray-border);
}

.page-header__title {
  margin-bottom: var(--space-xs);
}

.page-header__description {
  font-size: 1.1rem;
  color: var(--color-gray-light);
  max-width: 600px;
}

/* --- Divider --- */
.divider {
  width: 40px;
  height: 1px;
  background-color: var(--color-gray);
  margin: var(--space-md) 0;
}

.divider--center {
  margin: var(--space-md) auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: 85vh;
    padding: var(--space-xl) var(--space-sm);
  }

  .hero__meta {
    gap: var(--space-md);
  }

  .feature {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .feature--reverse {
    direction: ltr;
  }

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

  .footer__inner {
    flex-direction: column;
  }

  .footer__nav {
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

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

  .section {
    padding: var(--space-lg) 0;
  }

  .section--lg {
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .hero__meta {
    flex-direction: column;
    gap: var(--space-sm);
  }
}