/* ==========================================================================
   PSYCHOLOGIEZENTRUM MÜNCHEN — LAYOUT STYLESHEET
   
   This file controls:
   - Site-wide header and navigation (left-aligned, fully fluid/responsive)
   - Page wrapper and content containers
   - Footer
   - Responsive breakpoints
   - Burger menu activates at 860px
   ========================================================================== */

/* --------------------------------------------------------------------------
   LAYOUT VARIABLES
   -------------------------------------------------------------------------- */
:root {
  --header-height: 72px;
}

/* --------------------------------------------------------------------------
   SITE HEADER
   Fixed top bar — logo left, nav right, both centered vertically.
   Fully fluid: shrinks cleanly at every viewport width.
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(14, 21, 32, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease, border-bottom-color 0.3s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 2px 28px rgba(0,0,0,0.55);
  border-bottom-color: rgba(201,168,76,0.18);
}

/* Inner wrapper: logo LEFT — nav RIGHT, with comfortable side padding */
.header-inner {
  width: 100%;
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem); /* fluid padding — squeezes gracefully */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   SITE LOGO / BRAND — left side of header
   -------------------------------------------------------------------------- */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;       /* never let the logo wrap or shrink */
  min-width: 0;
}

.site-logo img {
  width: clamp(36px, 4vw, 44px); /* fluid logo size */
  height: auto;
  border-radius: 50%;
  /* No ring — clean icon only */
  transition: opacity var(--transition);
}

.site-logo:hover img {
  opacity: 0.85;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.logo-text .logo-main {
  font-family: var(--font-heading);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.logo-text .logo-sub {
  font-family: var(--font-body);
  font-size: clamp(0.55rem, 0.8vw, 0.65rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   PRIMARY NAVIGATION — right side of header (desktop)
   -------------------------------------------------------------------------- */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0rem, 0.3vw, 0.2rem);
  flex-wrap: nowrap;
}

.nav-link {
  font-family: var(--font-body);
  font-size: clamp(0.68rem, 0.88vw, 0.8rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.4rem clamp(0.5rem, 0.8vw, 0.85rem);
  border-radius: 2px;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: clamp(0.5rem, 0.8vw, 0.85rem);
  right: clamp(0.5rem, 0.8vw, 0.85rem);
  height: 1px;
  background: var(--color-gold);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.nav-link:hover {
  color: var(--color-gold-light);
}

.nav-link:hover::after {
  opacity: 0.5;
}

.nav-link.active {
  color: var(--color-gold);
  font-weight: 700;
}

.nav-link.active::after {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   HAMBURGER MENU TOGGLE
   Hidden on desktop (> 860px), shown on smaller screens.
   Three-line icon that animates to an X when open.
   -------------------------------------------------------------------------- */
.menu-toggle {
  display: none;           /* hidden by default on desktop */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 6px 8px;
  transition: border-color var(--transition);
  flex-shrink: 0;
}

.menu-toggle:hover {
  border-color: var(--color-border);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}

/* Animate hamburger → X when menu is open */
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   PAGE WRAPPER
   Pushes all content below the fixed header
   -------------------------------------------------------------------------- */
.page-wrapper {
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   HERO SECTION — full-width top banner with image
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.page-hero img {
  width: 100%;
  height: clamp(280px, 48vw, 520px); /* fluid height */
  object-fit: cover;
  object-position: center;
  display: block;
  filter: brightness(0.6) sepia(0.2);
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 45%;
  background: linear-gradient(transparent, var(--color-bg));
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   HERO QUOTE OVERLAY — text on top of the hero image
   -------------------------------------------------------------------------- */
.hero-overlay {
  position: absolute;
  bottom: clamp(1.5rem, 5vw, 3rem);
  left: 0;
  right: 0;
  z-index: 2;
  text-align: center;
  padding: 0 clamp(1rem, 5vw, 3rem);
}

.hero-overlay blockquote {
  border: none;
  padding: 0;
  max-width: 760px;
  margin: 0 auto;
  color: rgba(232, 224, 208, 0.9);
  font-size: clamp(0.9rem, 2.2vw, 1.2rem);
}

/* --------------------------------------------------------------------------
   MAIN CONTENT CONTAINER
   -------------------------------------------------------------------------- */
main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) clamp(1rem, 4vw, 2rem); /* fluid padding */
}

/* --------------------------------------------------------------------------
   TWO-COLUMN LAYOUT
   -------------------------------------------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(1.5rem, 5vw, 3rem);
  align-items: start;
}

.two-col--reverse {
  grid-template-columns: 1.5fr 1fr;
}

/* --------------------------------------------------------------------------
   CONTENT SECTIONS
   -------------------------------------------------------------------------- */
.section {
  margin-bottom: var(--space-2xl);
}

.section:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   SITE FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) clamp(1rem, 4vw, 2rem) var(--space-lg);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.footer-col p,
.footer-col a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer-col a:hover {
  color: var(--color-gold-light);
}

/* Clickable contact lines in footer — name + address */
.footer-hover-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
  line-height: 1.8;
}

.footer-hover-link:hover {
  color: var(--color-gold-light);
  padding-left: 4px;
}

/* Legal links row in footer-bottom */
.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

.footer-legal-links a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-legal-links a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

/* --------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */

/* ── Tablet: 860px — nav becomes burger menu ── */
@media (max-width: 860px) {

  /* Show the hamburger button */
  .menu-toggle {
    display: flex;
  }

  /* Hide desktop nav by default; shown when .open is toggled */
  .site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(14, 21, 32, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 0 1rem;
    border-bottom: 1px solid var(--color-border-gold);
    z-index: 99;
    /* Smooth slide-down animation */
    animation: none;
  }

  .site-nav.open {
    display: flex;
    animation: slideDown 0.22s ease;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav-link {
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    color: var(--color-text-muted);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link:hover {
    background: rgba(201, 168, 76, 0.06);
    padding-left: 1.9rem; /* subtle indent on hover */
  }

  .nav-link.active {
    border-left: 2px solid var(--color-gold);
    padding-left: calc(1.5rem - 2px);
  }

  .two-col,
  .two-col--reverse {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Small tablet / large mobile: 640px ── */
@media (max-width: 640px) {
  :root {
    --header-height: 62px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}

/* ── Mobile: 420px — extra tightening ── */
@media (max-width: 420px) {
  .logo-text .logo-main {
    font-size: 0.85rem;
  }
  .logo-text .logo-sub {
    display: none; /* hide subtitle on very small screens to save space */
  }
}