/* ==========================================================================
   BookIvy — Shared Site Styles
   Depends on: colors_and_type.css (must be loaded first)
   ========================================================================== */

/* ── Reset & base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; height: auto; }
::selection { background: var(--rt-warm-200); color: var(--rt-main-500); }
:focus-visible { outline: 2px solid var(--rt-warm-200); outline-offset: 2px; }

/* ── Layout helper ─────────────────────────────────────────────────────── */
.inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 56px;
}
@media (max-width: 768px) { .inner { padding-inline: 24px; } }

/* ── Eyebrow ───────────────────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-semibold);
  font-size: 12px;
  letter-spacing: var(--rt-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--rt-warm-300);
  display: block;
}
.eyebrow--dark { color: var(--rt-warm-200); }
.eyebrow--ink  { color: var(--rt-fg-muted); }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-semibold);
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 13px 28px;
  border-radius: var(--rt-radius-md);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1;
  transition:
    background  var(--rt-dur-fast) var(--rt-ease-out),
    color       var(--rt-dur-fast) var(--rt-ease-out),
    border-color var(--rt-dur-fast) var(--rt-ease-out);
}

/* On dark bg: cream fill */
.btn--primary {
  background: var(--rt-warm-100);
  color: var(--rt-main-400);
  border-color: var(--rt-warm-100);
}
.btn--primary:hover {
  background: var(--rt-warm-200);
  border-color: var(--rt-warm-200);
  color: var(--rt-main-500);
}

/* On light bg: teal fill */
.btn--primary-inv {
  background: var(--rt-main-400);
  color: var(--rt-warm-100);
  border-color: var(--rt-main-400);
}
.btn--primary-inv:hover {
  background: var(--rt-main-300);
  border-color: var(--rt-main-300);
}

/* Outline on dark */
.btn--outline {
  background: transparent;
  color: var(--rt-warm-100);
  border-color: rgba(250, 241, 224, 0.55);
}
.btn--outline:hover {
  border-color: var(--rt-warm-100);
  background: rgba(250, 241, 224, 0.08);
}

/* Outline on light */
.btn--outline-inv {
  background: transparent;
  color: var(--rt-main-400);
  border-color: var(--rt-main-400);
}
.btn--outline-inv:hover { background: rgba(28, 48, 49, 0.06); }

/* ══════════════════════════════════════════════════════════════════════════
   DARK-SECTION TEXT OVERRIDES
   colors_and_type.css sets p { color: var(--rt-fg) } globally.
   Any section on a dark background needs explicit overrides so paragraph
   text stays legible (cream / muted cream) rather than rendering near-black.
   ══════════════════════════════════════════════════════════════════════════ */
.page-hero p,
.page-hero .page-hero__lede {
  color: #B7B0A2;
}

/* hub-hero and about-lab live in index.html but share these patterns */
[class*="hub-hero"] p,
[class*="about-lab"] p {
  color: #B7B0A2;
}
[class*="about-lab"] p strong,
[class*="hub-hero"] p strong {
  color: var(--rt-warm-100);
}

/* Testimonials section (dark bg) */
.testimonials p { color: #B7B0A2; }

/* quote sections on dark bg */
.quote-section p { color: #B7B0A2; }

/* ══════════════════════════════════════════════════════════════════════════
   TOP NAVIGATION  —  matches re-thought.de exactly
   ══════════════════════════════════════════════════════════════════════════ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--rt-main-400);
  border-bottom: 1px solid rgba(170, 154, 123, 0.15);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  padding-block: 18px;
}

/* Logo */
.site-nav__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
}
.site-nav__logo img { height: 38px; width: auto; }

/* Lab badge — small, subtle */
.site-nav__lab {
  margin-left: 10px;
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-semibold);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rt-main-400);
  background: var(--rt-warm-200);
  padding: 2px 7px;
  border-radius: 3px;
  line-height: 1.6;
  align-self: center;
}

/* Nav list */
.site-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Each nav item — shutter-in-vertical hover effect, like Elementor */
.site-nav__item a {
  position: relative;
  display: inline-block;
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-medium);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--rt-warm-100);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--rt-radius-sm);
  overflow: hidden;
  transition: color var(--rt-dur-fast) var(--rt-ease-out);
}

/* Shutter-in-vertical pseudo-background */
.site-nav__item a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(170, 154, 123, 0.18);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--rt-dur-fast) var(--rt-ease-out);
  border-radius: inherit;
}
.site-nav__item a:hover::before { transform: scaleY(1); }
.site-nav__item a:hover { color: var(--rt-warm-100); }

/* Active state */
.site-nav__item a[aria-current="page"],
.site-nav__item--active a {
  color: var(--rt-warm-100);
  opacity: 1;
}
.site-nav__item--active a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px; right: 14px;
  height: 1px;
  background: var(--rt-warm-200);
}

/* Kontakt! CTA button — cream fill */
.site-nav__item--cta a {
  background: var(--rt-warm-100);
  color: var(--rt-main-400);
  font-weight: var(--rt-w-semibold);
  padding: 9px 20px;
  border-radius: var(--rt-radius-md);
}
.site-nav__item--cta a::before { display: none; }
.site-nav__item--cta a:hover { background: var(--rt-warm-200); color: var(--rt-main-500); }

/* ── Dropdown menus ─────────────────────────────────────────────────── */
.site-nav__item--has-dropdown {
  position: relative;
}

/* Chevron indicator */
.site-nav__chevron {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0.6;
  position: relative;
  top: -1px;
  transition: transform var(--rt-dur-fast) var(--rt-ease-out),
              top       var(--rt-dur-fast) var(--rt-ease-out);
}

.site-nav__item--has-dropdown:hover .site-nav__chevron,
.site-nav__item--has-dropdown.is-open .site-nav__chevron {
  transform: rotate(-135deg);
  top: 1px;
}

/* Dropdown panel */
.site-nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 240px;
  background: var(--rt-main-500);
  border: 1px solid rgba(170,154,123,0.2);
  border-radius: 0 var(--rt-radius-md) var(--rt-radius-md) var(--rt-radius-md);
  padding: 6px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
  z-index: 300;
  list-style: none;
}

/* Desktop: show on hover */
@media (min-width: 861px) {
  .site-nav__item--has-dropdown:hover > .site-nav__dropdown {
    display: block;
  }
}

/* Both desktop & mobile: show when toggled via JS */
.site-nav__item--has-dropdown.is-open > .site-nav__dropdown {
  display: block;
}

/* Dropdown items */
.site-nav__dropdown__item a {
  display: block;
  padding: 9px 18px;
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-medium);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--rt-warm-100);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: color var(--rt-dur-fast) var(--rt-ease-out);
}

.site-nav__dropdown__item a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(170,154,123,0.15);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--rt-dur-fast) var(--rt-ease-out);
}

.site-nav__dropdown__item a:hover::before { transform: scaleY(1); }

.site-nav__dropdown__item.site-nav__item--active a {
  color: var(--rt-warm-200);
}

/* Don't show underline on active dropdown-parent (child is active, not parent) */
.site-nav__item--has-dropdown.site-nav__item--active > a::after {
  display: none;
}

/* Mobile: hide nav list */
.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--rt-warm-100);
}
.site-nav__toggle svg { display: block; }

@media (max-width: 860px) {
  .site-nav__list { display: none; }
  .site-nav__toggle { display: flex; }

  .site-nav__list.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--rt-main-500);
    padding: 8px 16px 16px;
    border-top: 1px solid rgba(170,154,123,0.15);
  }
  .site-nav__list.is-open .site-nav__item > a {
    display: block;
    padding: 12px 16px;
  }
  .site-nav__item--cta a {
    margin-top: 8px;
    text-align: center;
    display: block;
  }

  /* Mobile dropdown: inline below parent */
  .site-nav__dropdown {
    position: static;
    border: none;
    box-shadow: none;
    background: rgba(0,0,0,0.18);
    border-radius: var(--rt-radius-sm);
    padding: 4px 0;
    margin: 0 0 6px 16px;
    min-width: 0;
  }

  .site-nav__dropdown__item a {
    white-space: normal;
    font-size: 13px;
    padding: 8px 16px;
  }
}

/* ══════════════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--rt-main-500);
  color: var(--rt-warm-100);
  padding: 56px 0 28px;
  border-top: 1px solid rgba(170, 154, 123, 0.15);
}

.site-footer__cols {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-bottom: 40px;
}

.site-footer__brand { flex: 1 1 260px; }

.site-footer__logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.site-footer__logo-link img { height: 34px; width: auto; }

.site-footer__tagline {
  font-family: var(--rt-font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--rt-warm-200);
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.45;
}

.site-footer__col { display: flex; flex-direction: column; gap: 10px; }

.site-footer__col-title {
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-semibold);
  font-size: 11px;
  letter-spacing: var(--rt-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--rt-warm-200);
  margin-bottom: 4px;
}

.site-footer__col a {
  font-family: var(--rt-font-body);
  font-size: 14px;
  color: var(--rt-warm-100);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity var(--rt-dur-fast) var(--rt-ease-out);
}
.site-footer__col a:hover { opacity: 1; }

.site-footer__copy {
  border-top: 1px solid rgba(170, 154, 123, 0.15);
  padding-top: 20px;
  font-family: var(--rt-font-body);
  font-size: 12px;
  color: var(--rt-warm-200);
  letter-spacing: 0.04em;
}

/* ══════════════════════════════════════════════════════════════════════════
   PAGE CHROME  —  hero / section base used by sub-pages
   ══════════════════════════════════════════════════════════════════════════ */
.page-hero {
  background: var(--rt-main-400);
  color: var(--rt-warm-100);
  padding-block: 80px 96px;
}

.page-hero__eyebrow { margin-bottom: 20px; }

.page-hero__title {
  font-family: var(--rt-font-display);
  font-weight: var(--rt-w-bold);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: var(--rt-tracking-tight);
  color: var(--rt-warm-100);
  max-width: 800px;
  margin-bottom: 20px;
}

.page-hero__title em { font-style: italic; font-weight: var(--rt-w-regular); }

.page-hero__lede {
  font-family: var(--rt-font-body);
  font-size: 18px;
  line-height: 1.65;
  color: #B7B0A2;
  max-width: 560px;
  margin-bottom: 32px;
}

.page-hero__badge {
  display: inline-block;
  font-family: var(--rt-font-body);
  font-weight: var(--rt-w-semibold);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rt-main-400);
  background: var(--rt-warm-200);
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 20px;
}

/* Light section */
.section--light { background: var(--rt-paper); padding-block: 80px; }
.section--white { background: #fff; padding-block: 80px; }
.section--cream { background: var(--rt-warm-100); padding-block: 80px; }

/* Section heading */
.section__eyebrow { margin-bottom: 16px; }
.section__title {
  font-family: var(--rt-font-display);
  font-weight: var(--rt-w-bold);
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.1;
  letter-spacing: var(--rt-tracking-tight);
  color: var(--rt-fg);
  margin-bottom: 16px;
  text-wrap: balance;
}
.section__title em { font-style: italic; font-weight: var(--rt-w-regular); }
.section__lede {
  font-family: var(--rt-font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--rt-fg-muted);
  max-width: 640px;
  margin-bottom: 40px;
}

/* ══════════════════════════════════════════════════════════════════════════
   BRAND — BookIvy (Buchungssystem)
   "Book" in Montserrat-Bold, direkt gefolgt von "Ivy" in Playfair-Display-Kursiv.
   Farbe erbt vom Kontext (funktioniert auf hellen wie dunklen Flächen).
   Markup: <span class="bookivy"><span class="bookivy__book">Book</span><span class="bookivy__ivy">Ivy</span></span>
   ══════════════════════════════════════════════════════════════════════════ */
.bookivy { white-space: nowrap; text-transform: none; letter-spacing: normal; font-variant: normal; font-style: normal; }
.bookivy__book {
  font-family: var(--rt-font-body);
  font-weight: 800;
  font-style: normal;
  letter-spacing: -0.01em;
}
.bookivy__ivy {
  font-family: var(--rt-font-display);
  font-style: italic;
  font-weight: var(--rt-w-regular);
}