:root {
  --navy: #1e2b3d;
  --blue: #3a7dc8;
  --blue-dark: #2c69ad;
  --amber: #c49a3c;
  --amber-dark: #a8832f;
  --gray-light: #f8f7f4;
  --gray-mid: #e3e5e6;
  --gray-text: #5c636e;
  --white: #ffffff;
}

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; overflow-x: hidden; }
section[id] { scroll-margin-top: 5.5rem; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--navy);
  overflow-x: hidden;
}

.rounded, .rounded-1, .rounded-2, .rounded-3, .rounded-pill,
.btn, .form-control, .form-select, .card, .alert, .badge,
.navbar-toggler { border-radius: 0 !important; }

/* ===== NAVBAR ===== */
.navbar {
  background: rgba(255,255,255,1);
  box-shadow: 0 1px 0 var(--gray-mid);
  padding: 0.75rem 0;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, -webkit-backdrop-filter 0.35s ease;
}
.navbar.navbar-scrolled {
  background: rgba(255,255,255,0.72);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy) !important;
  letter-spacing: -0.01em;
  text-decoration: none;
  line-height: 1.2;
}

.navbar-brand small {
  font-weight: 400;
  font-size: 0.62rem;
  color: var(--gray-text);
  display: block;
  letter-spacing: 0.06em;
  line-height: 1;
  margin-top: 0.2rem;
}

.navbar-nav .nav-link {
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  padding: 0.5rem 0.55rem !important;
  white-space: nowrap;
  transition: color 0.2s;
}
html:lang(de) .navbar-nav .nav-link,
html:lang(es) .navbar-nav .nav-link {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.4rem !important;
}
.navbar-nav .nav-link:hover { color: var(--blue); }
.navbar-nav .nav-link.active {
  color: var(--blue);
}
.navbar-nav .nav-link.active::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue);
  margin-top: 2px;
}

.navbar-toggler { border: none; box-shadow: none !important; }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231e2b3d' stroke-linecap='round' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
  .navbar {
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
    border-radius: 4px;
    margin-top: 0.6rem;
    background: rgba(255,255,255,0.88);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    backdrop-filter: blur(20px) saturate(1.5);
    box-shadow: 0 4px 24px rgba(0,0,0,0.10), 0 1px 0 rgba(255,255,255,0.6);
    padding: 0.5rem 0.75rem;
  }
  .navbar.navbar-scrolled {
    background: rgba(255,255,255,0.82);
  }
  .navbar-collapse {
    background: transparent;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(0,0,0,0.06);
    margin-top: 0.5rem;
  }
  .navbar-nav .nav-link { padding: 0.75rem 0 !important; }
  .nav-cta-wrapper { margin-top: 0.75rem; }
}

/* ===== BUTTONS ===== */
.btn-cta, .btn-hero {
  background: var(--amber);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  display: inline-block;
  text-decoration: none;
  box-shadow:
    0 0 0 1px rgba(196,154,60,0.3),
    0 0 20px rgba(196,154,60,0.15),
    0 2px 8px rgba(30,43,61,0.1);
  transition:
    transform 300ms cubic-bezier(0.25,0.46,0.45,0.94),
    box-shadow 300ms cubic-bezier(0.25,0.46,0.45,0.94),
    background 300ms ease;
}
.btn-cta { padding: 0.7rem 1.5rem; white-space: nowrap; }
.btn-hero { padding: 1rem 2.25rem; }
.btn-cta:hover, .btn-hero:hover {
  background: #d4aa4c;
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(196,154,60,0.5),
    0 0 40px rgba(196,154,60,0.25),
    0 8px 24px rgba(196,154,60,0.2),
    0 4px 8px rgba(30,43,61,0.1);
}
.btn-cta:active, .btn-hero:active {
  transform: translateY(0);
  box-shadow:
    0 0 0 1px rgba(196,154,60,0.3),
    0 0 12px rgba(196,154,60,0.1),
    0 1px 4px rgba(30,43,61,0.08);
}
.btn-cta:focus-visible, .btn-hero:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.btn-outline {
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2.25rem;
  border: 1px solid rgba(255,255,255,0.25);
  transition: all 0.2s;
  display: inline-block;
  text-decoration: none;
}
.btn-outline:hover { background: rgba(255,255,255,0.08); color: var(--white); border-color: rgba(255,255,255,0.5); }

/* ===== SHARED ===== */
.section-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.75rem; }
.section-title { font-weight: 800; letter-spacing: -0.02em; line-height: 1.25; color: var(--navy); font-size: clamp(1.75rem, 3.5vw, 2.75rem); hyphens: auto; overflow-wrap: break-word; }
.section-text { font-size: 0.95rem; font-weight: 300; line-height: 1.8; color: var(--gray-text); }
.bg-light-custom { background: var(--gray-light); }

/* ===== SCROLL AFFORDANCE ===== */
.scroll-fade-wrapper {
  position: relative;
}
/* Right fade */
.scroll-fade-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 48px;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.3s;
}
/* Left fade */
.scroll-fade-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 48px;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.3s;
  opacity: 0;
}
.scroll-fade-wrapper.fade-light::after {
  background: linear-gradient(to right, transparent 0%, var(--gray-light) 92%);
}
.scroll-fade-wrapper.fade-light::before {
  background: linear-gradient(to left, transparent 0%, var(--gray-light) 92%);
}
.scroll-fade-wrapper.fade-white::after {
  background: linear-gradient(to right, transparent 0%, var(--white) 92%);
}
.scroll-fade-wrapper.fade-white::before {
  background: linear-gradient(to left, transparent 0%, var(--white) 92%);
}
.scroll-fade-wrapper.scrolled-end::after { opacity: 0; }
.scroll-fade-wrapper.scrolled-start::before { opacity: 0; }
.scroll-fade-wrapper:not(.scrolled-start)::before { opacity: 1; }

.scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
  opacity: 0;
  pointer-events: none;
}
.scroll-fade-wrapper:hover .scroll-arrow {
  opacity: 1;
  pointer-events: auto;
}
.scroll-arrow-left { left: 8px; }
.scroll-arrow-right { right: 8px; }
.scroll-arrow.arrow-light {
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 2px 12px rgba(26,39,68,0.12);
}
.scroll-arrow.arrow-light:hover { background: var(--navy); color: var(--white); }
.scroll-arrow.hidden { opacity: 0 !important; pointer-events: none !important; }
@keyframes arrow-pulse {
  0%, 100% { opacity: 0; }
  25%, 75% { opacity: 1; }
}
.scroll-arrow.pulse-hint {
  pointer-events: none;
  animation: arrow-pulse 1s ease-in-out 2;
}
@media (max-width: 767.98px) {
  .scroll-fade-wrapper::after { width: 20px; }
  .scroll-fade-wrapper::before { width: 20px; }
  .specialties-scroll,
  .reviews-scroll { scroll-padding-inline: 24px; }
}

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 0.5rem;
}
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: 1px solid var(--gray-mid);
  padding: 0.35rem 0.65rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--navy);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.lang-toggle:hover { border-color: var(--navy); }
.lang-toggle i { font-size: 0.85rem; color: var(--gray-text); }
.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--white);
  border: 1px solid var(--gray-mid);
  box-shadow: 0 8px 24px rgba(26,39,68,0.1);
  min-width: 160px;
  z-index: 1000;
}
.lang-dropdown.open { display: block; }
.lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--navy);
  text-decoration: none;
  transition: background 0.15s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: 'Inter', sans-serif;
}
.lang-option:hover { background: var(--gray-light); }
.lang-option.active { font-weight: 600; color: var(--blue); }
.lang-option small { font-size: 0.65rem; color: var(--gray-text); margin-left: auto; }
.lang-flag { font-size: 1rem; filter: grayscale(100%) opacity(0.5); transition: filter 0.25s; line-height: 1; }
.lang-option:hover .lang-flag,
.lang-option.active .lang-flag { filter: grayscale(0%) opacity(1); }
@media (max-width: 991.98px) {
  .lang-selector { margin-left: 0; margin-top: 0.75rem; width: 100%; }
  .lang-toggle { display: none; }
  .lang-dropdown {
    display: flex !important;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
    min-width: 0;
    padding: 0;
    gap: 0;
  }
  .lang-option {
    width: auto;
    padding: 0.35rem 1rem 0.35rem 0;
    margin-right: 0.75rem;
    font-size: 0.82rem;
    border-right: 1px solid var(--gray-mid);
  }
  .lang-option:last-child { border-right: none; margin-right: 0; }
}

/* ===== FOOTER ===== */
.footer-section { background: var(--navy); }
.footer-brand { font-size: 1.15rem; font-weight: 800; color: var(--white); letter-spacing: -0.02em; }
.footer-text { font-size: 0.85rem; font-weight: 300; color: rgba(255,255,255,0.4); line-height: 1.7; }
.footer-heading { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255,255,255,0.4); margin-bottom: 1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { font-size: 0.85rem; font-weight: 400; color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); }
.footer-copyright { font-size: 0.75rem; font-weight: 300; color: rgba(255,255,255,0.3); }
.footer-socials a { color: rgba(255,255,255,0.4); font-size: 1rem; margin-left: 1rem; transition: color 0.2s; }
.footer-socials a:hover { color: var(--white); }
.footer-social-link { color: rgba(255,255,255,0.4); font-size: 1rem; transition: color 0.2s; text-decoration: none; }
.footer-social-link:hover { color: var(--white); }

/* Footer fade-in */
.footer-fade {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.footer-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--gray-mid);
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease, background 0.2s ease, color 0.2s ease;
  transform: translateY(8px);
  box-shadow: 0 4px 16px rgba(26,39,68,0.08);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

/* ===== LOGO ===== */
.brand-logo {
  width: 36px;
  height: 44px;
  flex-shrink: 0;
  overflow: hidden;
}
.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== PAGE HEADER (sub-pages) ===== */
.page-header {
  background: var(--navy);
  padding: 8rem 0 3.5rem;
}
.page-header .section-label { color: rgba(255,255,255,0.35); }
.page-header h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; color: var(--white); margin-bottom: 0.5rem; line-height: 1.2; }
.page-header p { font-size: 0.82rem; color: rgba(255,255,255,0.4); font-weight: 300; margin: 0; }

/* ===== BACK LINK (sub-pages) ===== */
.back-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--blue); font-size: 0.8rem; font-weight: 500; text-decoration: none; margin-bottom: 2rem; }
.back-link:hover { color: var(--navy); }