/* =========================================================
   KRUX — main.css
   ========================================================= */

/* --- Tokens --- */
:root {
  --accent:        #485c87;
  --hero-bg:       #243554;
  --hero-bg-dark:  #131c2e;
  --section-light: #f4f6f9;
  --border:        #e0e4ed;
  --text-dark:     #1a2233;
  --transition:    300ms ease;
}

/* --- Base --- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: 'Montserrat', system-ui, sans-serif;
  color: var(--text-dark);
  background: #fff;
  overflow-x: hidden;
  overflow-y: scroll;
}

body.modal-open {
  overflow: scroll !important;
  padding-right: 0 !important;
}

body.modal-open .krux-header {
  padding-right: 0 !important;
}

/* --- Modal anchor offset --- */
.modal-body [id] {
  scroll-margin-top: 1rem;
}

img { max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

/* --- Header --- */
.krux-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.krux-logo img {
  height: 36px;
  width: auto;
  display: block;
}

.krux-header {
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.krux-header .krux-nav-links a {
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: #fff;
  transition: color var(--transition);
}

/* Scrolled state */
.krux-header.scrolled {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}

.krux-header.scrolled .krux-nav-links a {
  color: var(--text-dark);
}

/* --- Subpages (Impressum, Datenschutz …): solid header, offset content --- */
.page-solid main {
  padding-top: 7rem;
  padding-bottom: 4rem;
}

/* Legal text: vertical rule on the left, matching the Leistungen card outline.
   Text starts at the same horizontal padding (1.5rem) as those cards.
   Typography matches the site body text (.krux-about__text). */
.krux-legal {
  max-width: 680px;
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
}

.krux-legal a {
  color: var(--accent);
}


/* --- Hero --- */
.krux-hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--hero-bg) 0%, var(--hero-bg-dark) 100%);
  color: #fff;
  padding: 0 1rem;
}

.krux-hero__headline {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -.01em;
}

.krux-hero__sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  opacity: .75;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.krux-btn-ghost {
  display: inline-block;
  border: 2px solid rgba(255,255,255,.6);
  color: #fff;
  padding: .7rem 2rem;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: border-color var(--transition), background var(--transition);
}

.krux-btn-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,.08);
  color: #fff;
}

/* --- Sections --- */
.py-6 { padding-top: 5rem; padding-bottom: 5rem; }

#leistungen,
#ueber-uns,
#kontakt {
  scroll-margin-top: 80px;
}

.krux-section__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -.01em;
}

/* --- Cards --- */
.krux-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  transition: border-color var(--transition);
  background: #fff;
}

.krux-card:hover {
  border-color: var(--accent);
}

.krux-card__icon {
  font-size: 1.75rem;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

.krux-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.krux-card__text {
  font-size: .9rem;
  color: #555;
  line-height: 1.65;
  margin: 0;
}

/* --- Card keyword chips (static, non-interactive) --- */
.krux-card__keywords {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: 1.1rem;
}

.krux-card__keyword {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--accent);
  background: var(--section-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .25rem .6rem;
}

/* --- Über uns --- */
.krux-section--light {
  background: var(--section-light);
}

.krux-about__text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
  max-width: 540px;
}

.krux-about__icon {
  font-size: 6rem;
  color: var(--border);
}

/* --- Footer --- */
.krux-footer {
  background: var(--hero-bg);
  color: rgba(255,255,255,.6);
  padding: 1.75rem 0;
  font-size: .85rem;
}

.krux-footer a {
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.krux-footer a:hover {
  color: #fff;
}

/* --- Contact button --- */
.krux-btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 2px;
  padding: .7rem 1.5rem;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .04em;
  transition: background var(--transition);
}

.krux-btn-primary:hover {
  background: #3a4e76;
  color: #fff;
}

/* --- Contact form tags --- */
.krux-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .4rem;
}

.krux-tag {
  padding: .35rem .85rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #fff;
  font-size: .82rem;
  font-weight: 500;
  color: #666;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  line-height: 1.4;
}

.krux-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.krux-tag.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* --- Form labels --- */
.fw-600 { font-weight: 600; }

/* --- Scroll fade-in --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

/* --- Nav phone / WhatsApp --- */
.krux-nav-divider {
  width: 1px;
  height: 1rem;
  background: rgba(255,255,255,.3);
  align-self: center;
}

.krux-header.scrolled .krux-nav-divider {
  background: var(--border);
}

.krux-nav-phone {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: #fff;
  cursor: default;
}

.krux-header.scrolled .krux-nav-phone {
  color: var(--text-dark);
}

.krux-nav-wa {
  font-size: 1.1rem !important;
}

/* --- Kontakt section --- */
.krux-contact-row {
  gap: 0;
}

.krux-contact-sep {
  color: var(--border);
  font-size: 1.2rem;
  padding: 0 1rem;
  user-select: none;
}


.krux-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: .4rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.krux-contact-btn--static {
  cursor: default;
  color: #888;
}

.krux-contact-btn--static:hover {
  color: #888;
}

.krux-contact-btn:not(.krux-contact-btn--static):hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.krux-contact-btn--wa {
  color: #25d366;
}

.krux-contact-btn--wa:hover {
  color: #1da851;
  border-bottom-color: #1da851;
}

/* --- Card expand --- */
.krux-card__sub {
  font-weight: 400;
}

.krux-card__chevron {
  font-size: .8rem;
  color: var(--border);
  transition: transform 200ms ease, color 200ms ease;
  padding-top: .75rem;
}

.krux-card:hover .krux-card__chevron {
  color: var(--accent);
}

.krux-card.expanded .krux-card__chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

/* --- Mobile nav --- */
.krux-nav-hamburger {
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  line-height: 1;
  padding: .25rem .75rem;
  cursor: pointer;
}

.krux-header.scrolled .krux-nav-hamburger {
  color: var(--text-dark);
}

.krux-nav-mobile {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 62px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  z-index: 999;
}

.krux-nav-mobile.open {
  display: flex;
}

.krux-nav-mobile a {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: .6rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.krux-nav-mobile a:last-child {
  border-bottom: none;
}

/* --- Nav hover states --- */
.krux-header .krux-nav-links a:hover {
  opacity: .7;
}

/* --- Responsive --- */
@media (max-width: 767px) {
  .krux-hero__headline {
    font-size: 2rem;
  }

  .py-6 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
}

@media (max-width: 767px) {
  .krux-header .krux-nav-links {
    display: none !important;
  }
  .krux-nav-hamburger {
    display: flex !important;
  }
}