/* ==========================================================================
   Bistro Klementinum — stylesheet
   Palette: brown #5b3a2b · mint #8fa58a · brick #e8481d · cream #f7f4ee
   ========================================================================== */

:root{
  --brown: #5b3a2b;
  --brown-dark: #3d2519;
  --brown-darker: #2a1911;
  --mint: #8fa58a;
  --mint-dark: #718970;
  --brick: #e8481d;
  --brick-dark: #c93b15;
  --cream: #f7f4ee;
  --cream-dark: #ede5d5;
  --ink: #2b211c;
  --ink-soft: #5a4f47;
  --line: rgba(91,58,43,0.14);

  --font-ui: 'DM Sans', system-ui, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;

  --container: 1180px;
  --radius: 14px;
  --shadow-soft: 0 18px 40px -22px rgba(43,33,28,0.35);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-ui);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1, h2, h3{ font-family: var(--font-serif); color: var(--brown-dark); margin: 0 0 .5em; font-weight: 700; line-height: 1.2; }
p{ margin: 0 0 1em; color: var(--ink-soft); }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link{
  position: absolute; left: -999px; top: 0; background: var(--brown); color: #fff;
  padding: 12px 18px; z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

:focus-visible{ outline: 3px solid var(--brick); outline-offset: 2px; }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-ui); font-weight: 600; font-size: 0.95rem;
  padding: 14px 28px; border-radius: 100px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--brown); color: #fff; }
.btn-primary:hover{ background: var(--brown-dark); }
.btn-ghost{ background: transparent; color: #fff; border-color: rgba(255,255,255,0.65); }
.btn-ghost:hover{ background: rgba(255,255,255,0.12); }
.btn-accent{ background: var(--brick); color: #fff; }
.btn-accent:hover{ background: var(--brick-dark); }
.btn-call{ background: var(--brick); color: #fff; padding: 10px 18px; font-size: 0.85rem; }
.btn-call:hover{ background: var(--brick-dark); }

/* ---------- Header ---------- */
.site-header{
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(247,244,238,0.9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background .3s ease;
}
.header-inner{
  max-width: var(--container); margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand{ flex-shrink: 0; }
.brand-logo{ height: 42px; width: auto; }
.main-nav ul{ display: flex; gap: 30px; }
.main-nav a{
  font-size: 0.94rem; font-weight: 500; color: var(--brown-dark);
  position: relative; padding: 4px 0;
}
.main-nav a::after{
  content: ""; position: absolute; left: 0; bottom: -3px; width: 0; height: 2px;
  background: var(--brick); transition: width .25s ease;
}
.main-nav a:hover::after{ width: 100%; }

.header-actions{ display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.lang-switch{
  background: none; border: 1px solid var(--line); border-radius: 100px;
  padding: 7px 14px; font-family: var(--font-ui); font-size: 0.82rem; font-weight: 600;
  color: var(--ink-soft); cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.lang-switch .is-active{ color: var(--brick); }
.lang-sep{ opacity: .4; }

.hamburger{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer;
  padding: 0;
}
.hamburger span{
  display: block; width: 22px; height: 2px; background: var(--brown-dark);
  transition: transform .25s ease, opacity .25s ease; margin: 0 auto;
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display: none;
  max-height: 0; overflow: hidden;
  background: var(--cream); border-top: 1px solid var(--line);
  transition: max-height .3s ease;
}
.mobile-nav.is-open{ max-height: 480px; }
.mobile-nav ul{ padding: 18px 24px 6px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a{
  display: block; padding: 12px 4px; font-size: 1.05rem; font-weight: 500;
  color: var(--brown-dark); border-bottom: 1px solid var(--line);
}
.btn-call-mobile{ margin: 12px 24px 20px; width: calc(100% - 48px); }

/* ---------- Hero ---------- */
.hero{
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden;
}
.hero-media{ position: absolute; inset: 0; z-index: 0; }
.hero-media img{ width: 100%; height: 100%; object-fit: cover; }
.hero-scrim{
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(42,25,17,.55) 0%, rgba(42,25,17,.35) 45%, rgba(42,25,17,.75) 100%);
}
.hero-content{
  position: relative; z-index: 1; max-width: 760px; margin: 0 auto; text-align: center;
  padding: 140px 24px 90px; color: #fff;
}
.hero-logo{ height: 64px; width: auto; margin: 0 auto 28px; filter: brightness(0) invert(1); opacity: .95; }
.hero-content h1{
  color: #fff; font-size: clamp(2.1rem, 5vw, 3.4rem); margin-bottom: .45em;
}
.hero-sub{
  font-size: 1.15rem; color: rgba(255,255,255,0.92); max-width: 560px; margin: 0 auto 2em;
  font-family: var(--font-ui); font-weight: 400;
}
.hero-cta{ display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll{
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 1;
}
.hero-scroll span{
  display: block; width: 22px; height: 34px; border: 1.5px solid rgba(255,255,255,.75);
  border-radius: 12px; position: relative;
}
.hero-scroll span::before{
  content: ""; position: absolute; top: 6px; left: 50%; width: 4px; height: 4px;
  background: #fff; border-radius: 50%; transform: translateX(-50%);
  animation: scrollDot 1.8s ease infinite;
}
@keyframes scrollDot{
  0%{ opacity: 1; top: 6px; } 70%{ opacity: 0; top: 18px; } 100%{ opacity: 0; top: 18px; }
}

/* Arch divider */
.arch-divider{ line-height: 0; color: var(--cream); background: transparent; margin-top: -2px; position: relative; z-index: 2; }
.arch-divider svg{ width: 100%; height: 44px; display: block; }
.arch-divider path{ fill: var(--cream); }

/* ---------- Section basics ---------- */
.section{ padding: 96px 0; }
.section-head{ max-width: 680px; margin: 0 auto 56px; text-align: center; }
.eyebrow{
  font-family: var(--font-ui); text-transform: uppercase; letter-spacing: .12em;
  font-size: 0.78rem; font-weight: 700; color: var(--mint-dark); margin-bottom: .8em;
}
.eyebrow-light{ color: var(--mint); }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section-intro{ font-size: 1.05rem; }
.section-intro.light{ color: rgba(247,244,238,0.85); }
.lead{ font-size: 1.15rem; color: var(--brown-dark); font-family: var(--font-serif); }

/* ---------- About ---------- */
.about{ background: var(--cream); }
.about-grid{
  display: grid; grid-template-columns: 0.85fr 1fr; gap: 64px; align-items: center;
}
.about-media img{
  border-radius: var(--radius); box-shadow: var(--shadow-soft); aspect-ratio: 4/5; object-fit: cover;
}
.about-text .eyebrow{ text-align: left; }
.about-text h2{ font-size: clamp(1.8rem, 3vw, 2.4rem); }

/* ---------- Offer ---------- */
.offer{ background: var(--cream-dark); }
.offer-grid{
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 26px;
}
.offer-card{
  background: var(--cream); border-radius: var(--radius); padding: 34px 26px;
  border: 1px solid var(--line); transition: transform .25s ease, box-shadow .25s ease;
}
.offer-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.offer-icon{
  width: 52px; height: 52px; border-radius: 50%; background: rgba(143,165,138,0.18);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  color: var(--mint-dark);
}
.offer-icon svg{ width: 26px; height: 26px; }
.offer-card h3{ font-size: 1.15rem; margin-bottom: .4em; }
.offer-card p{ font-size: 0.95rem; margin-bottom: 0; }

/* ---------- Philosophy ---------- */
.philosophy{ background: var(--cream); }
.philosophy-grid{
  display: grid; grid-template-columns: 140px 1fr; gap: 48px; align-items: start; max-width: 860px;
}
.philosophy-mark{ color: var(--mint); opacity: .6; padding-top: 10px; }
.philosophy-mark svg{ width: 90px; height: 120px; }
.philosophy-quote{
  font-family: var(--font-serif); font-style: italic; font-size: 1.3rem; color: var(--brown);
  border-left: 3px solid var(--brick); padding-left: 20px; margin-top: 1.4em;
}

/* ---------- Catering ---------- */
.catering{ padding: 0; background: var(--brown-dark); position: relative; overflow: hidden; }
.catering::before{
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(143,165,138,0.18), transparent 55%);
}
.catering-inner{ position: relative; padding: 96px 0; text-align: center; }
.catering h2{ color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.5rem); max-width: 700px; margin: 0 auto .5em; }
.catering .section-intro{ max-width: 640px; margin: 0 auto 1.1em; }
.catering .btn-accent{ margin-top: 20px; }

/* ---------- Visitors ---------- */
.visitors{ background: var(--mint); padding: 70px 0; }
.visitors-inner{ max-width: 680px; margin: 0 auto; text-align: center; }
.visitors h2{ color: var(--brown-darker); font-size: clamp(1.5rem, 2.6vw, 2rem); }
.visitors p{ color: rgba(42,25,17,0.82); font-size: 1.05rem; margin: 0; }

/* ---------- Gallery ---------- */
.gallery{ background: var(--cream-dark); }
.gallery-grid{
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 130px; gap: 18px;
}
.g-item{ margin: 0; overflow: hidden; border-radius: var(--radius); grid-column: span 1; grid-row: span 2; }
.g-item--tall{ grid-row: span 3; }
.g-item--wide{ grid-column: span 2; grid-row: span 2; }
.g-item img{
  width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease;
}
.g-item:hover img{ transform: scale(1.06); }

/* ---------- Location ---------- */
.location{ background: var(--cream); }
.location-grid{ display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; }
.location-map{ border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
#map, .location-map iframe{ width: 100%; height: 100%; min-height: 420px; border: 0; display: block; }
.location-info{ display: flex; flex-direction: column; gap: 20px; }
.entrance-img{ border-radius: var(--radius); aspect-ratio: 16/10; object-fit: cover; box-shadow: var(--shadow-soft); }
.location-detail{
  background: var(--cream-dark); border-radius: var(--radius); padding: 28px; flex: 1;
}
.location-detail p{ margin-bottom: .9em; font-size: 0.98rem; }
.location-detail strong{ color: var(--brown-dark); font-family: var(--font-ui); font-weight: 700; }
.gps{ font-variant-numeric: tabular-nums; }
.location-detail .btn{ width: 100%; margin-top: 6px; }

/* ---------- FAQ ---------- */
.faq{ background: var(--cream-dark); }
.faq-list{ max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item{
  background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 4px 26px; transition: box-shadow .2s ease;
}
.faq-item[open]{ box-shadow: var(--shadow-soft); }
.faq-item summary{
  cursor: pointer; list-style: none; padding: 20px 36px 20px 0; position: relative;
  font-family: var(--font-ui); font-weight: 600; color: var(--brown-dark); font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--brick); font-weight: 400; line-height: 1; transition: transform .25s ease;
}
.faq-item[open] summary::after{ transform: translateY(-50%) rotate(45deg); }
.faq-item p{ margin: 0 0 20px; font-size: 0.98rem; }

/* ---------- Contact ---------- */
.contact{ background: var(--brown); }
.contact h2{ color: #fff; font-size: 1.8rem; }
.contact h3{ color: #fff; font-size: 1.1rem; font-family: var(--font-ui); text-transform: uppercase; letter-spacing: .06em; }
.contact-grid{ display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; }
.contact p{ color: rgba(247,244,238,0.85); }
.contact-address{ font-family: var(--font-serif); font-size: 1.1rem; color: #fff; }
.hours-list li{
  display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid rgba(247,244,238,0.15);
  color: rgba(247,244,238,0.9); font-size: 0.98rem;
}
.contact-link{ font-size: 1.15rem; font-weight: 600; color: #fff; border-bottom: 1px solid rgba(247,244,238,0.4); }
.contact-link:hover{ border-color: var(--brick); color: var(--brick); }
.social-row{ display: flex; gap: 14px; margin-top: 8px; }
.social-icon{
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(247,244,238,0.3);
  display: flex; align-items: center; justify-content: center; color: #fff; cursor: default;
}

/* ---------- Footer ---------- */
.site-footer{ background: var(--brown-darker); padding: 48px 0 32px; text-align: center; }
.footer-logo{ height: 34px; margin: 0 auto 16px; opacity: .9; }
.footer-tagline{ color: var(--mint); font-family: var(--font-serif); font-style: italic; margin-bottom: 18px; }
.footer-copy{ color: rgba(247,244,238,0.5); font-size: 0.85rem; margin: 0; }
.footer-legal{ color: rgba(247,244,238,0.35); font-size: 0.78rem; margin: 6px 0 0; }

/* ---------- Reveal animation ---------- */
.reveal{ opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
  html{ scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .main-nav{ display: none; }
  .header-actions .btn-call{ display: none; }
  .hamburger{ display: flex; }
  .mobile-nav{ display: block; }

  .about-grid{ grid-template-columns: 1fr; gap: 36px; }
  .about-media{ order: -1; }
  .about-media img{ aspect-ratio: 16/9; }

  .philosophy-grid{ grid-template-columns: 1fr; }
  .philosophy-mark{ display: none; }

  .location-grid{ grid-template-columns: 1fr; }
  #map, .location-map iframe{ min-height: 320px; }

  .contact-grid{ grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .hours-list li{ justify-content: space-between; }
  .social-row{ justify-content: center; }
}

@media (max-width: 640px){
  .section{ padding: 68px 0; }
  .hero-content{ padding: 120px 20px 70px; }
  .hero-cta{ flex-direction: column; align-items: stretch; }
  .hero-cta .btn{ width: 100%; }

  .gallery-grid{ grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .g-item--wide{ grid-column: span 2; }
  .g-item--tall{ grid-row: span 2; }

  .catering-inner{ padding: 68px 0; }
  .location-detail{ padding: 22px; }
}

@media (max-width: 400px){
  .header-inner{ padding: 10px 16px; }
  .brand-logo{ height: 36px; }
  .container{ padding: 0 18px; }
}