/* =============================================================
   Linden & Lorbeer — Frische Küche. Ehrlicher Genuss.
   Design tokens + layout + components + responsive
   Single source of truth (mirrored in /design-system → Claude Design)
   ============================================================= */

/* ---------- Design Tokens (Corporate Identity) ---------- */
:root {
  /* Color — brand palette */
  --color-forest: #355e3b;       /* Waldgrün — primary */
  --color-forest-dark: #294a2e;
  --color-sage: #a8b89a;         /* Salbeigrün */
  --color-cream: #f7f4ee;        /* Cremeweiß — page bg */
  --color-beige: #dcc9a3;        /* Warmes Beige */
  --color-terracotta: #c96a4a;   /* accent */
  --color-gold: #c9a45d;         /* accent / detail */
  --color-ink: #333333;          /* Anthrazit — text */
  --color-ink-soft: #5f5f58;     /* muted text */
  --color-white: #ffffff;
  --color-line: #e3dccc;         /* hairline */

  /* Typography */
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Lato", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --step--1: clamp(0.83rem, 0.79rem + 0.2vw, 0.94rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.13rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 3.2rem);
  --step-4:  clamp(2.6rem, 1.9rem + 3.4vw, 4.8rem);

  /* Spacing */
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Radius / shadow / layout */
  --radius: 6px;
  --radius-lg: 14px;
  --shadow: 0 18px 44px -26px rgba(41, 74, 46, 0.5);
  --container: 1160px;
  --header-h: 74px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.005em;
  margin: 0 0 var(--space-s);
  color: var(--color-forest);
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }
p { margin: 0 0 var(--space-s); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-m);
}
.section { padding-block: var(--space-2xl); }
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--step--1);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin: 0 0 var(--space-s);
  font-weight: 700;
}
.section__head { max-width: 62ch; margin-bottom: var(--space-l); }
.lead { font-size: var(--step-1); color: var(--color-ink-soft); }
.muted { color: var(--color-ink-soft); }

/* Accessibility helpers */
.skip-link {
  position: absolute; left: var(--space-s); top: -100%;
  background: var(--color-forest); color: var(--color-white);
  padding: var(--space-2xs) var(--space-s); border-radius: var(--radius); z-index: 100;
}
.skip-link:focus { top: var(--space-s); }
:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 3px; border-radius: 2px; }

/* ---------- Buttons (CI: semibold, uppercase) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 48px; padding: 0.7em 1.6em;
  font-family: var(--font-body); font-size: var(--step--1); font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  border-radius: 999px; border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--color-forest); color: var(--color-white); }
.btn--primary:hover { background: var(--color-forest-dark); }
.btn--ghost { border-color: currentColor; color: var(--color-forest); }
.btn--ghost:hover { background: var(--color-forest); color: var(--color-white); }
.btn--sm { min-height: 40px; padding: 0.5em 1.1em; font-size: 0.72rem; }
.btn--on-forest { background: var(--color-cream); color: var(--color-forest-dark); }
.btn--on-forest:hover { background: var(--color-white); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.4em; font-weight: 700;
  text-decoration: none; color: var(--color-terracotta);
  border-bottom: 1.5px solid transparent; padding-bottom: 2px;
  transition: border-color 0.2s var(--ease), gap 0.2s var(--ease);
}
.link-arrow:hover { border-color: var(--color-terracotta); gap: 0.7em; }
.link-arrow::after { content: "\2192"; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-cream) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: var(--space-m); }
.brand {
  display: flex; flex-direction: column; line-height: 1;
  font-family: var(--font-display); text-decoration: none; color: var(--color-forest);
}
.brand b { font-size: var(--step-1); font-weight: 700; letter-spacing: 0.01em; }
.brand small { font-family: var(--font-body); font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-terracotta); margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: var(--space-m); list-style: none; margin: 0; padding: 0; }
.nav-links a:not(.btn) {
  text-decoration: none; font-size: var(--step--1); letter-spacing: 0.06em;
  text-transform: uppercase; font-weight: 700; color: var(--color-ink-soft);
  transition: color 0.2s var(--ease);
}
.nav-links a:not(.btn):hover { color: var(--color-forest); }
.nav-cta { margin-left: var(--space-xs); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 48px; height: 48px; padding: 0; background: none; border: none; cursor: pointer;
}
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--color-forest); transition: transform 0.3s var(--ease), opacity 0.2s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: min(86vh, 720px);
  display: flex; align-items: flex-end; color: var(--color-white);
  /* Photo + green overlay for text legibility. SWAP img: assets/img/hero.jpg */
  background:
    linear-gradient(180deg, rgba(41,74,46,0.25) 0%, rgba(41,74,46,0.78) 100%),
    url("../img/hero.jpg");
  background-size: cover; background-position: center;
}
.hero .container { padding-block: var(--space-2xl); }
.hero__inner { max-width: 720px; }
.hero h1 { color: var(--color-white); margin-bottom: var(--space-m); }
.hero .eyebrow { color: var(--color-beige); }
.hero p { color: rgba(255,255,255,0.92); font-size: var(--step-1); max-width: 54ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-s); margin-top: var(--space-l); }
.hero .btn--ghost { color: var(--color-white); }

.hero__scroll {
  position: absolute; left: 50%; bottom: var(--space-m); transform: translateX(-50%);
  display: flex; padding: var(--space-2xs); color: var(--color-white); opacity: 0.75;
  animation: heroScrollHint 2s ease-in-out infinite;
}
.hero__scroll:hover { opacity: 1; }
@keyframes heroScrollHint {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 6px); }
}

/* ---------- Split (Über uns) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.media {
  border-radius: var(--radius-lg); aspect-ratio: 4 / 5; box-shadow: var(--shadow);
  /* SWAP: assets/img/about.jpg */
  background: linear-gradient(150deg, rgba(53,94,59,0.04), rgba(53,94,59,0.04)), url("../img/about.jpg");
  background-size: cover; background-position: center;
}
/* ---------- Menu ---------- */
.menu-group { margin-top: var(--space-xl); }
.menu-group > h3 {
  display: flex; align-items: center; gap: var(--space-s);
  font-size: var(--step-2); color: var(--color-forest);
}
.menu-group > h3::after { content: ""; flex: 1; height: 1px; background: var(--color-line); }
.menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-m) var(--space-xl); margin-top: var(--space-m); }
.menu-item { border-bottom: 1px dashed var(--color-line); padding-bottom: var(--space-s); }
.menu-item__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-s); }
.menu-item h4 { margin: 0; font-family: var(--font-display); font-size: var(--step-1); font-weight: 600; color: var(--color-ink); }
.menu-item__price { font-family: var(--font-display); color: var(--color-terracotta); font-size: var(--step-1); font-weight: 600; white-space: nowrap; }
.menu-item p { margin: var(--space-2xs) 0 0; color: var(--color-ink-soft); font-size: var(--step--1); }
.menu-tag { display: inline-block; margin-top: var(--space-2xs); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-sage); font-weight: 700; }
.menu-tag--reco {
  display: inline-flex; align-items: center; gap: 0.35em;
  color: #8a6a2e; background: color-mix(in srgb, var(--color-gold) 24%, var(--color-white));
  padding: 0.25em 0.7em; border-radius: 999px;
}
.menu-note { margin-top: var(--space-l); font-size: var(--step--1); color: var(--color-ink-soft); }

/* ---------- Recommended dish card (menu engineering: spotlight, not just a label) ---------- */
.menu-item--reco {
  background: color-mix(in srgb, var(--color-gold) 12%, var(--color-white));
  border: 1px solid color-mix(in srgb, var(--color-gold) 40%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-m);
}

/* ---------- Post-menu CTA banner ---------- */
.menu-cta-wrap { padding-block: var(--space-l); }
.menu-cta-banner {
  background: var(--color-forest); border-radius: var(--radius-lg); box-shadow: var(--shadow);
  padding: var(--space-l) var(--space-xl);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-m);
}

/* ---------- Sticky mobile reserve bar ---------- */
.sticky-reserve-bar { display: none; }

/* ---------- Leistungen (services) ---------- */
.service-list { list-style: none; margin: var(--space-l) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-s) var(--space-l); }
.service-list li { display: flex; align-items: center; gap: var(--space-xs); font-weight: 600; }
.service-list li::before {
  content: "\2713"; display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; flex: none; border-radius: 50%;
  background: color-mix(in srgb, var(--color-forest) 14%, var(--color-white));
  color: var(--color-forest); font-weight: 700;
}

/* ---------- Reservation form + side CTAs ---------- */
.reserve-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-l); align-items: start; }
.reserve-form {
  background: var(--color-white); border: 1px solid var(--color-line);
  border-radius: var(--radius-lg); padding: var(--space-l); box-shadow: var(--shadow);
}
.field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-s); margin-bottom: var(--space-s); }
.field-row:has(.field:nth-child(2):last-child) { grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: var(--space-2xs); margin-bottom: var(--space-s); }
.field label { font-size: var(--step--1); font-weight: 700; color: var(--color-forest); }
.field .optional { font-weight: 400; color: var(--color-ink-soft); text-transform: none; }
.field input, .field textarea {
  font-family: inherit; font-size: var(--step-0); color: var(--color-ink);
  background: var(--color-cream); border: 1.5px solid var(--color-line);
  border-radius: var(--radius); padding: 0.65em 0.8em; min-height: 48px; width: 100%;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { min-height: auto; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--color-forest);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-forest) 18%, transparent);
}
.field input:user-invalid { border-color: var(--color-terracotta); }
.reserve-form__foot { display: flex; align-items: center; gap: var(--space-m); flex-wrap: wrap; margin-top: var(--space-2xs); }
.reserve-status { margin: 0; font-size: var(--step--1); font-weight: 600; color: var(--color-forest); }
.reserve-side { display: grid; gap: var(--space-m); }

/* ---------- CTA cards ---------- */
.cta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-m); margin-top: var(--space-l); }
.cta-card {
  background: var(--color-white); border: 1px solid var(--color-line); border-radius: var(--radius-lg);
  padding: var(--space-l); display: flex; flex-direction: column;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.cta-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cta-card h3 { margin-bottom: var(--space-2xs); }
.cta-card p { color: var(--color-ink-soft); flex: 1; }
.cta-card .link-arrow { margin-top: var(--space-s); }

/* ---------- Hours + contact ---------- */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
.hours dl { margin: var(--space-s) 0 0; display: grid; }
.hours .row { display: flex; justify-content: space-between; gap: var(--space-s); padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-line); }
.hours dt { font-weight: 700; margin: 0; }
.hours dd { margin: 0; color: var(--color-ink-soft); }
.contact-block a { text-decoration: none; }
.contact-block a:hover { color: var(--color-forest); }
.contact-lines { list-style: none; margin: var(--space-s) 0 var(--space-l); padding: 0; display: grid; gap: var(--space-2xs); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-forest); color: color-mix(in srgb, var(--color-cream) 88%, transparent); padding-block: var(--space-xl); }
.site-footer .brand { color: var(--color-white); }
.site-footer .brand small { color: var(--color-beige); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--space-l); }
.footer-grid h3 { font-family: var(--font-body); font-size: var(--step--1); text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-beige); }
.footer-grid a { text-decoration: none; color: inherit; }
.footer-grid a:hover { color: var(--color-white); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2xs); }
.social { display: flex; gap: var(--space-s); margin-top: var(--space-s); }
.social a { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--color-cream) 40%, transparent); }
.social a:hover { background: color-mix(in srgb, var(--color-cream) 16%, transparent); }
.footer-bottom { margin-top: var(--space-l); padding-top: var(--space-m); border-top: 1px solid color-mix(in srgb, var(--color-cream) 24%, transparent); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-s); font-size: var(--step--1); }
.seo-line { margin-top: var(--space-m); font-size: 0.78rem; color: color-mix(in srgb, var(--color-cream) 64%, transparent); line-height: 1.9; }

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; gap: var(--space-l); }
  .media { aspect-ratio: 16 / 10; max-height: 380px; }
  .menu-grid { grid-template-columns: 1fr; gap: var(--space-m); }
  .service-list { grid-template-columns: repeat(2, 1fr); }
  .cta-grid { grid-template-columns: 1fr; }
  .reserve-layout { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; gap: var(--space-l); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--color-cream); border-bottom: 1px solid var(--color-line);
    padding: var(--space-s) var(--space-m) var(--space-l); box-shadow: var(--shadow);
    transform: translateY(-120%); transition: transform 0.3s var(--ease);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav-links[data-open="true"] { transform: translateY(0); }
  .nav-links a { padding: var(--space-s) 0; border-bottom: 1px solid var(--color-line); font-size: var(--step-0); }
  .nav-cta { margin: var(--space-s) 0 0; }
  .nav-cta .btn { width: 100%; }
  .section { padding-block: var(--space-xl); }
  .hero__actions .btn { flex: 1 1 auto; }
  .menu-cta-banner { padding: var(--space-m); flex-direction: column; align-items: flex-start; text-align: left; }

  .sticky-reserve-bar {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-s);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: var(--color-white); border-top: 1px solid var(--color-line); box-shadow: var(--shadow);
    padding: var(--space-xs) var(--space-m);
    padding-bottom: calc(var(--space-xs) + env(safe-area-inset-bottom, 0px));
    transform: translateY(100%); transition: transform 0.3s var(--ease);
  }
  .sticky-reserve-bar.is-visible { transform: translateY(0); }
  .sticky-reserve-bar__text { display: flex; flex-direction: column; line-height: 1.25; }
  .sticky-reserve-bar__text strong { font-family: var(--font-display); font-size: var(--step-0); color: var(--color-forest); }
  .sticky-reserve-bar__text span { font-size: 0.72rem; color: var(--color-ink-soft); }
}

@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .service-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}