/* ============================================================
   HERO.CSS – Navigation, Hero Section, Spacer, Willkommen
   ============================================================ */

/* ============================================================
   NAVIGATION
   ============================================================ */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--brand-white-alpha80);
  border-bottom: 1px solid var(--brand-grey);
  transition: box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

/* Spark between logo and nav-links: hidden until scroll */
.nav-spark {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  margin: 0;
  transition: max-width 0.5s ease-out, opacity 0.4s ease-out, margin 0.5s ease-out;
}

/* Logo: collapsed on desktop until scroll */
.logo-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  margin: 0;
  transition: max-width 0.5s ease-out, opacity 0.4s ease-out, margin 0.5s ease-out;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-nav__title {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  line-height: 1.1;
}

.logo-nav__title span:first-child {
  font-size: 19px;
}

.logo-nav__title span:last-child {
  font-size: 19.5px;
}

/* Divider + name: mobile-only – hidden on desktop */
.logo-nav__divider {
  display: none;
  width: 1px;
  height: 30px;
  background: var(--brand-grey);
  flex-shrink: 0;
}

.logo-nav__name {
  display: none;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 23px;
  color: var(--brand-black);
  white-space: nowrap;
}

/* Scrolled state */
.main-nav--scrolled {
  backdrop-filter: blur(6.5px);
  -webkit-backdrop-filter: blur(6.5px);
  box-shadow: 0px 4px 23px 0px rgba(157, 186, 176, 0.23), 0px 24px 100px 0px rgba(218, 246, 237, 0.25);
}

.main-nav--scrolled .logo-nav {
  max-width: 280px;
  opacity: 1;
  pointer-events: auto;
  margin-right: 18px;
}

.main-nav--scrolled .nav-spark {
  max-width: 20px;
  opacity: 1;
  margin-right: 7px;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 700px;
  flex-shrink: 0;
  margin-right: 20px;
}

/* ============================================================
   NAV OVERLAY (Mobile / Tablet)
   ============================================================ */
.nav-overlay {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  padding: 24px 17px 32px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: -200px; /* extend past iOS Safari transparent toolbar */
  background: var(--brand-white-alpha80);
  backdrop-filter: blur(6.5px);
  -webkit-backdrop-filter: blur(6.5px);
  z-index: -1;
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-overlay__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.burger-nav-btn {
  display: block;
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  font-size: 36px;
  color: var(--brand-main);
  line-height: 1.2;
  opacity: 0;
  transform: translateX(50px);
  transition: color 0.2s ease;
}

.burger-nav-btn:hover {
  color: var(--brand-purple-links);
}

.burger-nav-btn--legal {
  font-size: 23px;
  color: var(--brand-purple-links);
}

.burger-nav-btn--legal:hover {
  opacity: 0.8;
}

.nav-overlay__legal {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  margin-top: 8px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  max-width: 860px;
  max-height: 600px;
  margin: 0 auto;
  padding: 100px 23px 60px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}

/* Hero Text */
.hero-text {
  display: flex;
  flex-direction: column;
  padding-top: 140px;
  gap: 50px;
  flex: 1;
  min-width: 0;
}

/* Wrapper: h1 + subline together */
.hero-heading {
  display: flex;
  flex-direction: column;
  width: 467px;
}

/* H1 */
.hero-h1 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0; /* collapse outer container, spans control their own line-height */
  display: block;
  margin-bottom: 4px; /* spacing before subline */
}

.hero-h1 span {
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-h1 span:first-child {
  font-size: 54px;
}

.hero-h1 span:last-child {
  font-size: 55px;
}

/* Hero Subline */
.hero-subline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 19px;
}

.hero-subline__name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  font-size: 36px;
  color: var(--brand-black);
  line-height: 1;
}

.hero-subline__city {
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  font-size: 36px;
  color: var(--brand-secondary);
  line-height: 1;
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  height: 51px;
}

/* Lottie Wrapper */
.lottie-wrapper {
  position: relative;
  width: 300px;
  height: 630px;
  flex-shrink: 0;
  overflow: visible;
}

#lottie-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#particle-canvas {
  position: absolute;
  width: 300px;
  height: 300px;
  top: calc(5% - 30px);
  left: 10px;
  pointer-events: none;
  z-index: -1;
}

/* ============================================================
   HERO SPACER (spacer_grey)
   ============================================================ */
.hero-spacer {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 260px;
  height: 20px;
  margin: 40px auto;
}

/* Lines grow to fill space on each side of the sparks */
.hero-spacer::before,
.hero-spacer::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--brand-grey);
}

.hero-spacer .spark {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

/* ============================================================
   SECTION SPACER (reusable spacer_grey between sections)
   ============================================================ */
.section-spacer {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 260px;
  height: 20px;
  margin: 80px auto;
}

.section-spacer::before,
.section-spacer::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--brand-grey);
}

.section-spacer .spark {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

/* ============================================================
   WILLKOMMEN SECTION
   ============================================================ */
.willkommen {
  max-width: 860px;
  margin: 0 auto;
  padding: 50px 23px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.willkommen__heading {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 56px;
  line-height: 1.15;
  background: linear-gradient(-54.5deg, var(--brand-main), var(--brand-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.willkommen__body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.45;
  color: var(--brand-text);
}

/* ============================================================
   PAGE LOAD ANIMATIONS
   ============================================================ */
.anim-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease-in-out, transform 0.7s ease-in-out;
}

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

/* ============================================================
   TABLET BREAKPOINT (700px – 880px)
   ============================================================ */
@media (max-width: 880px) {
  .hero {
    padding: 90px 23px 60px;
    max-width: none;
    gap: 0px;
  }

  .hero-heading {
    width: auto;
  }

  .hero-text {
    min-width: 410px;
    max-width: 410px;
    padding-left: 36px;
    gap: 36px;
  }

  .hero-h1 span:first-child {
    font-size: 43px;
  }

  .hero-h1 span:last-child {
    font-size: 44px;
  }

  .hero-subline__name,
  .hero-subline__city {
    font-size: 32px;
  }

  /* Buttons stack vertically on tablet */
  .hero-buttons {
    flex-direction: column;
    height: auto;
    align-items: flex-start;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .lottie-wrapper {
    position: absolute;
    top: 90px;
    left: calc(75% + 30px);
    transform: translateX(-50%);
    width: 260px;
    height: 545px;
  }

  #particle-canvas {
    top: calc(5% - 55px);
    left: -5px;
  }

  .willkommen__heading {
    font-size: 48px;
  }

}

/* ============================================================
   BURGER BREAKPOINT (<900px) – Show burger, hide nav-links
   ============================================================ */
@media (max-width: 1100px) {
  .main-nav {
    height: 70px;
    justify-content: space-between;
    padding: 0 17px;
    gap: 0;
  }

  /* Logo: always visible, full logo with divider + name */
  .logo-nav {
    max-width: none;
    overflow: visible;
    white-space: normal;
    opacity: 1;
    pointer-events: auto;
    margin-right: 0;
    transition: none;
  }

  .logo-nav__divider {
    display: inline-block;
  }

  .logo-nav__name {
    display: block;
  }

  /* Hide desktop nav elements */
  .nav-links {
    display: none;
  }

  .nav-spark {
    display: none;
  }

  .main-nav > .btn-small {
    display: none;
  }

  .burger-btn {
    display: flex;
  }
}

/* ============================================================
   MOBILE BREAKPOINT (<700px)
   ============================================================ */
@media (max-width: 700px) {
  .hero {
    padding: 100px 0 0;
    min-height: 650px;
    position: relative;
    flex-direction: column;
    align-items: stretch;
    max-width: 100vw;
    overflow: hidden;
    gap: 0;
  }

  /* Lottie: centered in right half of viewport */
  .lottie-wrapper {
    position: absolute;
    top: 90px;
    left: 75%;
    transform: translateX(-50%);
    width: 185px;
    height: 380px;
    flex-shrink: 0;
  }

  #particle-canvas {
    top: -63px;
    left: -55px;
  }

  /* Text column: stacks heading + buttons vertically */
  .hero-text {
    position: relative;
    padding: 0 23px;
    min-height: 550px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 0;
    z-index: 2;
  }

  .hero-heading {
    width: 100%;
    padding: 0;
    margin-bottom: auto;
    padding-top: 150px; /* push heading below the lottie bloom */
  }

  .hero-h1 span {
    white-space: nowrap;
  }

  .hero-h1 span:first-child {
    font-size: clamp(30px, 6.5vw, 40px);
  }

  .hero-h1 span:last-child {
    font-size: clamp(31px, 6.7vw, 41px);
  }

  .hero-subline {
    gap: 19px;
  }

  .hero-subline__name,
  .hero-subline__city {
    font-size: clamp(23px, 6vw, 32px);
  }

  /* Buttons: full viewport width, below heading */
  .hero-buttons {
    flex-direction: column;
    height: auto;
    align-items: stretch;
    width: 100vw;
    margin-left: -23px;
    gap: 20px;
    padding: 70px 17px 40px;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  /* Spacer: full width on mobile too, just adjusted margins */
  .hero-spacer {
    margin: 40px auto 40px;
    width: 200px;
  }

  .willkommen {
    padding: 30px 17px 10px;
  }

  .willkommen__heading {
    font-size: 40px;
    background: linear-gradient(-66.5deg, var(--brand-main), var(--brand-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .willkommen__body {
    font-size: 17px;
  }

  .section-spacer {
    margin: 70px auto;
    width: 200px;
  }

  /* Mobile overlay text sizes */
  .burger-nav-btn {
    font-size: 34px;
  }

  .burger-nav-btn--legal {
    font-size: 21px;
  }
}