/* ============================================================
   LICHTBURG — Shared Stylesheet
   Warm Trattoria Editorial · Dark Mode · Berlin Mitte
   ============================================================ */

/* --- Google Fonts import handled externally --- */

/* --- CSS Custom Properties --- */
:root {
  --primary:      #8F211C;
  --secondary:    #E4C7AC;
  --accent:       #C8872A;
  --bg:           #1C1208;
  --surface:      #26180B;
  --text:         #F5ECD7;
  --text-muted:   #C4A87E;
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body:    'Crimson Pro', 'Georgia', serif;
  --nav-height:   72px;
  --container-max: 1280px;
  --gutter:       clamp(1.25rem, 4vw, 3rem);
  --section-pad:  clamp(4rem, 10vw, 9rem);
  --left-margin:  clamp(5rem, 12vw, 14rem);
  --transition:   0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.72;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

/* --- Base Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  color: var(--text);
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-style: italic; }
h2 { font-size: clamp(1.9rem, 4vw, 3.2rem); font-style: italic; }
h3 { font-size: clamp(1.4rem, 2.8vw, 2.2rem); }
h4 { font-size: clamp(1.15rem, 2vw, 1.6rem); }
h5 { font-size: 1.15rem; }
h6 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.12em; }

p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.72;
  color: var(--text);
  margin-bottom: 1.1em;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Layout Utilities --- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  width: 100%;
}

.section {
  padding-block: var(--section-pad);
  position: relative;
}

/* Broadsheet grid helper */
.broadsheet-grid {
  display: grid;
  grid-template-columns: var(--left-margin) 1fr;
  gap: 0 2.5rem;
  align-items: start;
}

.broadsheet-margin {
  padding-top: 0.35em;
}

.broadsheet-content {
  /* body content in the right-shifted column */
}

/* --- Display Heading (general) --- */
.display-heading {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.05;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* --- Section Title --- */
.section-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.7rem, 3.5vw, 2.8rem);
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 0.6em;
}

/* Section label — small-caps left margin style */
.section-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-variant: small-caps;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.5;
  writing-mode: horizontal-tb;
}

/* --- Body Text --- */
.body-text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--text);
  max-width: 66ch;
}

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

/* --- Signature Hero: LICHTBURG --- */
.hero-name-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 5rem);
  background-color: var(--bg);
  position: relative;
}

.hero-name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  /* Scale to fill full viewport width */
  font-size: clamp(5rem, 18.5vw, 22vw);
  line-height: 0.88;
  letter-spacing: -0.03em;
  color: var(--text);
  white-space: nowrap;
  width: 100%;
  text-align: center;
  /* Letterforms become architectural */
  display: block;
  /* Prevent overflow clipping the descenders */
  padding-bottom: 0.08em;
  /* Subtle warm text shadow for depth */
  text-shadow:
    0 2px 40px rgba(200, 135, 42, 0.12),
    0 0 120px rgba(143, 33, 28, 0.08);
  /* Fit text to viewport width precisely */
  width: 100vw;
  margin-inline: calc(-1 * var(--gutter));
}

/* Hairline rule with diamond */
.hero-rule-wrap {
  display: flex;
  align-items: center;
  width: min(860px, 92vw);
  gap: 0;
  margin-block: clamp(0.9rem, 2.5vw, 1.8rem) clamp(0.6rem, 1.5vw, 1rem);
}

.hero-rule {
  flex: 1;
  height: 0.5px;
  background-color: var(--text-muted);
  opacity: 0.55;
  border: none;
  display: block;
}

.hero-diamond {
  font-size: 0.75rem;
  color: var(--accent);
  margin-inline: 0.85em;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.9;
}

/* City + neighbourhood tagline */
.hero-location {
  font-family: var(--font-body);
  font-size: clamp(0.65rem, 1.4vw, 0.82rem);
  font-variant: small-caps;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  background-color: var(--primary);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.78em 2em;
  border: 1.5px solid var(--primary);
  border-radius: 0;
  cursor: pointer;
  transition:
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
  line-height: 1;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
  text-decoration: none;
  box-shadow: inset 0 0 0 1.5px var(--primary);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  background-color: transparent;
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.78em 2em;
  border: 1.5px solid var(--accent);
  border-radius: 0;
  cursor: pointer;
  transition:
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition);
  line-height: 1;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--accent);
  color: var(--bg);
  text-decoration: none;
}

/* --- Card --- */
.card {
  background-color: var(--surface);
  border: 1px solid rgba(228, 199, 172, 0.1);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(200, 135, 42, 0.35);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.45);
}

.card__label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-variant: small-caps;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75em;
}

.card__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--text);
  margin-bottom: 0.5em;
  line-height: 1.15;
}

.card__body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.68;
}

/* --- Fade-in animation --- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.75s ease forwards;
}

.fade-in--delay-1 { animation-delay: 0.1s; }
.fade-in--delay-2 { animation-delay: 0.22s; }
.fade-in--delay-3 { animation-delay: 0.36s; }
.fade-in--delay-4 { animation-delay: 0.52s; }

/* Intersection-observer driven version */
.fade-in-observe {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.72s ease, transform 0.72s ease;
}

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

/* ============================================================
   SITE NAV
   ============================================================ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: rgba(28, 18, 8, 0.96);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border-bottom: 1px solid rgba(228, 199, 172, 0.1);
  display: flex;
  align-items: center;
  width: 100%;
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  gap: 2rem;
}

/* Logo */
.site-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
}

.site-nav__logo-img {
  height: 44px;
  width: auto;
  display: block;
  /* Warm tint for dark background */
  filter: brightness(1.1) sepia(0.15);
  transition: filter var(--transition), opacity var(--transition);
}

.site-nav__logo:hover .site-nav__logo-img,
.site-nav__logo:focus-visible .site-nav__logo-img {
  filter: brightness(1.3) sepia(0.25);
  opacity: 0.9;
}

/* Links row */
.site-nav__links {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: flex-end;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.site-nav__links::-webkit-scrollbar {
  display: none;
}

/* Individual nav link */
.nav-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4em 0.75em;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition);
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0.75em;
  right: 0.75em;
  height: 1px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  text-decoration: none;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

/* Active state — applied via JS */
.nav-link.is-active {
  color: var(--accent);
}

.nav-link.is-active::after {
  transform: scaleX(1);
  background-color: var(--primary);
}

/* Hamburger button */
.site-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid rgba(228, 199, 172, 0.2);
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
  transition: border-color var(--transition);
  border-radius: 0;
}

.site-nav__hamburger:hover {
  border-color: rgba(200, 135, 42, 0.55);
}

.site-nav__hamburger-bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--text-muted);
  transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
  transform-origin: center;
  border-radius: 0;
}

/* Hamburger open state */
.site-nav__hamburger[aria-expanded="true"] .site-nav__hamburger-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
  background-color: var(--accent);
}

.site-nav__hamburger[aria-expanded="true"] .site-nav__hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.site-nav__hamburger[aria-expanded="true"] .site-nav__hamburger-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
  background-color: var(--accent);
}

/* Mobile drawer */
.site-nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 16, 8, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 999;
  flex-direction: column;
  padding: 2.5rem var(--gutter);
  overflow-y: auto;
  border-top: 1px solid rgba(228, 199, 172, 0.1);
}

.site-nav__mobile-menu.is-open {
  display: flex;
}

.site-nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
}

.site-nav__mobile-links .nav-link {
  font-size: 1.05rem;
  padding: 0.9em 0;
  border-bottom: 1px solid rgba(228, 199, 172, 0.08);
  letter-spacing: 0.12em;
  color: var(--text-muted);
  width: 100%;
  justify-content: space-between;
}

.site-nav__mobile-links .nav-link::after {
  display: none;
}

.site-nav__mobile-links .nav-link:hover,
.site-nav__mobile-links .nav-link.is-active {
  color: var(--accent);
  background: transparent;
}

/* ============================================================
   SITE FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--surface);
  border-top: 1px solid rgba(228, 199, 172, 0.12);
  padding-block: clamp(3rem, 7vw, 6rem) clamp(1.5rem, 3vw, 2.5rem);
  margin-top: auto;
  position: relative;
  overflow: hidden;
}

/* Decorative background element */
.site-footer::before {
  content: 'L';
  font-family: var(--font-display);
  font-style: italic;
  font-size: 28vw;
  color: rgba(143, 33, 28, 0.04);
  position: absolute;
  right: -2vw;
  bottom: -4vw;
  line-height: 1;
  pointer-events: none;
  select: none;
  user-select: none;
  z-index: 0;
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Footer grid */
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

/* Brand column */
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.site-footer__logo {
  display: inline-block;
  line-height: 1;
  text-decoration: none;
}

.site-footer__logo-img {
  height: 52px;
  width: auto;
  filter: brightness(1.05) sepia(0.1);
  transition: filter var(--transition);
}

.site-footer__logo:hover .site-footer__logo-img {
  filter: brightness(1.2) sepia(0.2);
}

.site-footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  color: var(--text-muted);
  line-height: 1.35;
  max-width: 28ch;
}

.site-footer__description {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 36ch;
}

/* Footer columns */
.site-footer__col-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-variant: small-caps;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1em;
  display: block;
}

.site-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-footer__nav-link {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  text-decoration: none;
  padding-block: 0.35em;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  display: inline-block;
}

.site-footer__nav-link:hover,
.site-footer__nav-link:focus-visible {
  color: var(--text);
  text-decoration: none;
}

/* Contact / info column */
.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer__contact-item {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: flex;
  flex-direction: column;
}

.site-footer__contact-item strong {
  font-weight: 600;
  color: var(--text);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
  margin-bottom: 0.15em;
}

.site-footer__contact-item a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.site-footer__contact-item a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Footer divider */
.site-footer__divider {
  height: 0.5px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(196, 168, 126, 0.35) 20%,
    rgba(196, 168, 126, 0.35) 80%,
    transparent
  );
  border: none;
  margin-bottom: clamp(1.2rem, 2.5vw, 2rem);
}

/* Footer bottom bar */
.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__copyright {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.75;
  letter-spacing: 0.04em;
}

.site-footer__legal-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__legal-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  opacity: 0.75;
  letter-spacing: 0.04em;
  transition: color var(--transition), opacity var(--transition);
}

.site-footer__legal-link:hover {
  color: var(--accent);
  opacity: 1;
  text-decoration: none;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

/* --- 1024px --- */
@media (max-width: 1024px) {
  :root {
    --left-margin: clamp(3.5rem, 8vw, 7rem);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1.5rem 3rem;
  }

  .site-nav__links {
    gap: 0;
  }

  .nav-link {
    padding: 0.4em 0.55em;
    font-size: 0.72rem;
  }
}

/* --- 768px --- */
@media (max-width: 768px) {
  :root {
    --nav-height: 62px;
    --left-margin: 0px;
  }

  /* Nav: hide links, show hamburger */
  .site-nav__links {
    display: none;
  }

  .site-nav__hamburger {
    display: flex;
  }

  /* Hero name: allow wrap / scale on small screens */
  .hero-name {
    font-size: clamp(3.8rem, 20vw, 14vw);
    letter-spacing: -0.02em;
    margin-inline: 0;
    width: 100%;
    white-space: normal;
    word-break: break-word;
    text-align: center;
  }

  /* Broadsheet grid collapses to single column */
  .broadsheet-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem 0;
  }

  .broadsheet-margin {
    padding-top: 0;
  }

  .section-label {
    margin-bottom: 0.4em;
  }

  /* Footer */
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer__brand {
    flex-direction: column;
    gap: 1rem;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .hero-rule-wrap {
    width: 88vw;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }

  .hero-name {
    font-size: clamp(3rem, 22vw, 12vw);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}