/*
  Description: Customer Success Management - nachweisbar erfolgreicher
  Author: Oliver Rütten
  Author URL: https://ruetten.biz
  Version: 0.1.0
  Website: CSM.GURU
  Date: 03.02.2025
*/

/* ==========================================================================
  00. HERO SCREEN
  Erster Screen (Suche + Widgets) füllt den Viewport; darunter folgt beim
  Scrollen der Feed-Bereich (siehe 04. HOME FEED). Normales Dokument-Scrolling,
  keine Scroll-Sperre mehr.
  =========================================================================== */

/* ==========================================================================
  01. HOME BACKGROUND
  =========================================================================== */

.home-bg {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: no-repeat center center fixed;
  background-size: cover;
  z-index: -1;
  filter: blur(calc(var(--reveal, 0) * 18px));
  transition: filter 0.1s linear;
}

/* Desktop */
@media (min-width: 64em) {
  .home-bg {
    background-image: image-set(
      url("../assets/images/background/hero-1.avif") type("image/avif"),
      url("../assets/images/background/hero-1.webp") type("image/webp"),
      url("../assets/images/background/hero-1.jpg") type("image/jpeg")
    );
  }
}

/* Tablet */
@media (max-width: 64em) {
  .home-bg {
    background-image: image-set(
      url("../assets/images/background/hero-1-1024.avif") type("image/avif"),
      url("../assets/images/background/hero-1-1024.webp") type("image/webp"),
      url("../assets/images/background/hero-1-1024.jpg") type("image/jpeg")
    );
  }
}

/* Mobile */
@media (max-width: 48em) {
  .home-bg {
    background-image: image-set(
      url("../assets/images/background/hero-1-760.avif") type("image/avif"),
      url("../assets/images/background/hero-1-760.webp") type("image/webp"),
      url("../assets/images/background/hero-1-760.jpg") type("image/jpeg")
    );
  }
}

/* Kleine Smartphones */
@media (max-width: 30em) {
  .home-bg {
    background-image: image-set(
      url("../assets/images/background/hero-1-480@2x.avif") type("image/avif"),
      url("../assets/images/background/hero-1-480@2x.webp") type("image/webp"),
      url("../assets/images/background/hero-1-480@2x.jpg") type("image/jpeg")
    );
  }
}

.home-bg-overlay {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background-image: radial-gradient(
      var(--overlay-start) 0%,
      var(--overlay-end) 100%
    ),
    radial-gradient(rgba(0, 0, 0, 0) 33%, rgba(0, 0, 0, 0.3) 166%);
  transform: translateZ(0px);
  backface-visibility: hidden;
  box-shadow: inset 0 -100px 100px rgba(0, 0, 0, 0.4);
  perspective: 1000px;
  transition: all 0.07s ease-out 0s;
}

.home-bg-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: var(--reveal, 0);
  transition: opacity 0.1s linear;
}

/* ==========================================================================
  02. HOME LAYOUT
  =========================================================================== */

.home-grid-container {
  display: grid;
  height: 100dvh;
  width: 100%;
  padding: 1.5rem;
  grid-template-areas: "clock . counters";
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto;
  position: relative;
  z-index: 1;
  color: white;
}

.counters {
  grid-area: counters;
}

.clock {
  grid-area: clock;
  text-align: left;
  font-size: var(--font-XXL);
  font-weight: 300;
  color: var(--white-color);
}

/* Mobile Ansicht */
@media (max-width: 48rem) {
  .counters,
  .clock {
    display: none;
  }
}

/* Impressum & Datenschutz: schmales, unauffälliges Band unten links,
   nur auf dem initialen Screen sichtbar (blendet beim Scrollen aus). */
.imprint-link {
  position: fixed;
  bottom: 8px;
  left: 8px;
  z-index: 3;
  color: var(--white-color);
  font-size: 10px;
  opacity: calc(0.64 * (1 - min(1, var(--reveal, 0) * 4)));
  text-decoration: none;
  transition: opacity 0.05s linear;
}

.imprint-link:hover {
  text-decoration: underline;
}

body.home-scrolled .imprint-link {
  pointer-events: none;
}

/* ==========================================================================
  03. SEARCH
  =========================================================================== */

.search {
  position: fixed;
  top: 16vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: min(90vw, 480px);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(4px);
  transition: top 0.35s ease, width 0.35s ease, box-shadow 0.35s ease,
    opacity 0.05s linear;
  opacity: calc(1 - min(1, var(--reveal, 0) * 4));
}

body.home-scrolled .search {
  pointer-events: none;
}

.search form {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.search-logo img {
  height: auto;
  width: 2rem;
}

.search-input {
  flex-grow: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  padding: 0.6rem 1rem;
  background: transparent;
}

.search-btn {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.4rem;
  transition: transform 0.2s ease;
}

.search-btn:hover {
  transform: scale(1.1);
}

/* Backdrop bei aktiver Suche */
.home-search-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 2;
}

body.search-active .home-search-backdrop {
  opacity: 1;
  pointer-events: all;
}

body.search-active .search {
  top: 26vh;
  width: min(92vw, 600px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Search Box Suggestions */
.search-suggestions {
  position: fixed;
  top: calc(26vh + 3.5rem); /* abhängig von der Suchboxhöhe */
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 600px);
  display: none;
  flex-direction: column;
  overflow: hidden;
  background: white;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  z-index: 9;
}

.search-suggestions.active {
  display: flex;
}

.search-suggestions div {
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.search-suggestions div:hover {
  background: #f0f0f0;
}

/* ==========================================================================
  04. HOME FEED
  Kategorisierte Artikelliste unterhalb des ersten Screens. Liegt über dem
  fixierten, beim Scrollen zunehmend verwischten/abgedunkelten Hintergrundbild
  (siehe --reveal in 01. HOME BACKGROUND), daher helle Glas-Optik unabhängig
  vom Dark-/Light-Theme.
  =========================================================================== */

.home-feed-section {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
  color: var(--white-color);
}

.home-sidebar {
  position: sticky;
  top: 2rem;
  align-self: start;
  height: max-content;
}

.home-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.home-sidebar a {
  display: block;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  color: inherit;
  text-decoration: none;
  font-size: var(--font-L);
  opacity: 0.7;
  border-left: 2px solid transparent;
  transition: background 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.home-sidebar a:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.08);
}

.home-sidebar a.active {
  opacity: 1;
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.08);
}

.home-category {
  margin-bottom: 3.5rem;
  scroll-margin-top: 2rem;
}

.home-category h2 {
  font-size: var(--font-h4);
  margin: 0 0 1.25rem;
}

.home-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.home-article-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, background 0.2s ease;
}

.home-article-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.12);
}

.home-article-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.home-article-card-body {
  padding: 0.85rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.home-article-card time {
  font-size: var(--font-XS);
  opacity: 0.65;
}

.home-article-card h3 {
  font-size: var(--font-base);
  font-weight: 500;
  margin: 0;
  line-height: 1.35;
}

/* Mobile: Sidebar wird zu horizontal scrollbarer Chip-Leiste */
@media (max-width: 48rem) {
  .home-feed-section {
    grid-template-columns: 1fr;
    padding: 2rem 1rem 4rem;
    gap: 1.5rem;
  }

  .home-sidebar {
    position: sticky;
    top: 0;
    z-index: 2;
    min-width: 0;
    margin: -2rem -1rem 0;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
  }

  .home-sidebar ul {
    flex-direction: row;
    overflow-x: auto;
    gap: 0.5rem;
  }

  .home-sidebar a {
    white-space: nowrap;
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .home-sidebar a.active {
    border-left-color: transparent;
    border-bottom-color: var(--primary-color);
  }

  .home-card-grid {
    grid-template-columns: 1fr;
  }
}