/* ═══════════════════════════════════════════════════
   TTI GmbH – Corporate Stylesheet
   ═══════════════════════════════════════════════════ */

:root {
  --tti-dark:   #1c2b3a;
  --tti-red:    #c0392b;
  --tti-red-dk: #a93226;
  --tti-gray:   #6c757d;
  --tti-light:  #f4f6f7;
  --tti-white:  #ffffff;
}

/* ── GLOBAL ──────────────────────────────────────── */

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #2c3e50;
  background: var(--tti-white);
}

a { color: var(--tti-red); }
a:hover { color: var(--tti-red-dk); }

/* ── NAVBAR ──────────────────────────────────────── */

.navbar-tti {
  background-color: var(--tti-dark);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.navbar-tti .navbar-brand {
  color: var(--tti-white);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
}

.navbar-tti .navbar-brand img {
  height: 48px;
}

.navbar-tti .navbar-brand .brand-accent {
  color: var(--tti-red);
}

.navbar-tti .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
}

.navbar-tti .navbar-toggler-icon {
  filter: invert(1);
}

.navbar-tti .nav-link {
  color: rgba(255,255,255,0.82) !important;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.6rem 0.9rem;
  position: relative;
  transition: color 0.15s;
}

.navbar-tti .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0.9rem; right: 0.9rem;
  height: 2px;
  background: var(--tti-red);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.navbar-tti .nav-link:hover,
.navbar-tti .nav-link.active {
  color: var(--tti-white) !important;
}

.navbar-tti .nav-link:hover::after,
.navbar-tti .nav-link.active::after {
  transform: scaleX(1);
}

.lang-switcher {
  border-left: 1px solid rgba(255,255,255,0.2);
  margin-left: 1rem;
  padding-left: 1rem;
}

.lang-switcher .nav-link {
  font-weight: 700;
  font-size: 0.8rem !important;
  padding: 0.6rem 0.5rem !important;
  color: rgba(255,255,255,0.45) !important;
}

.lang-switcher .nav-link.active-lang {
  color: var(--tti-white) !important;
}

.lang-sep {
  color: rgba(255,255,255,0.25) !important;
  padding: 0.6rem 0 !important;
  cursor: default;
}

/* ── HERO CAROUSEL ───────────────────────────────── */

.hero-carousel .carousel-item img {
  height: 380px;
  object-fit: cover;
  object-position: center;
  width: 100%;
  filter: brightness(0.85);
}

.hero-carousel .carousel-caption {
  background: rgba(28, 43, 58, 0.72);
  border-left: 4px solid var(--tti-red);
  border-radius: 2px;
  bottom: 2.5rem;
  left: 6%;
  right: auto;
  max-width: 500px;
  text-align: left;
  padding: 1.4rem 1.8rem;
}

.hero-carousel .carousel-caption h2 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.hero-carousel .carousel-caption p {
  font-size: 0.92rem;
  margin-bottom: 0;
  color: rgba(255,255,255,0.88);
}

.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next {
  width: 5%;
}

/* ── PAGE HERO (subpages) ────────────────────────── */

.page-hero {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.75);
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,43,58,0.75) 0%, rgba(28,43,58,0.2) 100%);
  display: flex;
  align-items: flex-end;
  padding: 2rem 3rem;
}

.page-hero-overlay h1 {
  color: var(--tti-white);
  font-weight: 700;
  font-size: 2.2rem;
  border-left: 4px solid var(--tti-red);
  padding-left: 1rem;
  margin: 0;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

/* ── SECTION TITLES ──────────────────────────────── */

.section-title {
  margin-bottom: 2.5rem;
}

.section-title h1,
.section-title h2 {
  font-weight: 700;
  color: var(--tti-dark);
}

.section-title .underline {
  display: block;
  width: 56px;
  height: 3px;
  background: var(--tti-red);
  margin-top: 0.6rem;
}

.section-title.centered {
  text-align: center;
}

.section-title.centered .underline {
  margin-left: auto;
  margin-right: auto;
}

/* ── SERVICE CARDS ───────────────────────────────── */

.service-card {
  border: none;
  border-top: 3px solid var(--tti-red);
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
  height: 100%;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.13);
  transform: translateY(-2px);
}

.service-card .card-icon {
  font-size: 2.4rem;
  color: var(--tti-red);
  margin-bottom: 1rem;
}

.service-card .card-title {
  font-weight: 700;
  color: var(--tti-dark);
  font-size: 1rem;
}

/* ── EQUIPMENT GALLERY ───────────────────────────── */

.equip-img-wrap {
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4/3;
}

.equip-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}

.equip-img-wrap:hover img {
  transform: scale(1.05);
}

.equip-caption {
  margin-top: 0.6rem;
  font-size: 0.88rem;
  color: var(--tti-gray);
  font-style: italic;
}

/* ── HIGHLIGHT BAND ──────────────────────────────── */

.highlight-band {
  background: var(--tti-dark);
  color: var(--tti-white);
  padding: 3.5rem 0;
}

.highlight-band h3 {
  font-weight: 700;
  font-size: 1.6rem;
}

.highlight-band .lead {
  color: rgba(255,255,255,0.78);
}

/* ── PARTNERSHIP SECTION ─────────────────────────── */

.partner-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tti-dark);
  padding: 1rem 2rem;
  border: 2px solid #dee2e6;
  border-radius: 4px;
  display: inline-block;
}

/* ── CONTACT ─────────────────────────────────────── */

.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-info li {
  padding: 0.45rem 0;
  font-size: 0.97rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-info li i {
  color: var(--tti-red);
  font-size: 1.1rem;
  margin-top: 0.1rem;
  flex-shrink: 0;
}

/* ── MAP PLACEHOLDER ─────────────────────────────── */

.map-placeholder {
  background: #e9ecef;
  border-radius: 4px;
  height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--tti-gray);
  border: 1px solid #dee2e6;
}

.map-placeholder i {
  font-size: 3rem;
  color: var(--tti-red);
  margin-bottom: 0.5rem;
}

/* ── FOOTER ──────────────────────────────────────── */

footer {
  background: var(--tti-dark);
  color: rgba(255,255,255,0.65);
  padding: 2.8rem 0 1.5rem;
  font-size: 0.9rem;
}

footer h6 {
  color: var(--tti-white);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  font-size: 0.78rem;
}

footer a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  display: block;
  padding: 0.15rem 0;
  transition: color 0.15s;
}

footer a:hover {
  color: var(--tti-white);
}

.footer-divider {
  border-color: rgba(255,255,255,0.12);
  margin: 1.8rem 0 1rem;
}

.footer-bottom {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ── UTILITIES ───────────────────────────────────── */

.bg-light-tti { background: var(--tti-light) !important; }
.text-tti-red  { color: var(--tti-red) !important; }
.text-tti-dark { color: var(--tti-dark) !important; }

.btn-tti {
  background-color: var(--tti-red);
  border-color: var(--tti-red);
  color: var(--tti-white);
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.5rem 1.4rem;
}

.btn-tti:hover,
.btn-tti:focus {
  background-color: var(--tti-red-dk);
  border-color: var(--tti-red-dk);
  color: var(--tti-white);
}

.btn-outline-tti {
  border-color: var(--tti-red);
  color: var(--tti-red);
  font-weight: 600;
}

.btn-outline-tti:hover {
  background-color: var(--tti-red);
  color: var(--tti-white);
}

/* ── RESPONSIVE ──────────────────────────────────── */

@media (max-width: 991px) {
  .lang-switcher {
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.15);
    margin-left: 0;
    padding-left: 0;
    margin-top: 0.5rem;
    flex-direction: row !important;
  }
}

@media (max-width: 767px) {
  .hero-carousel .carousel-item img { height: 220px; }
  .hero-carousel .carousel-caption {
    left: 1rem; right: 1rem; max-width: none;
    padding: 1rem 1.2rem;
  }
  .hero-carousel .carousel-caption h2 { font-size: 1.2rem; }
  .page-hero { height: 200px; }
  .page-hero-overlay { padding: 1.5rem; }
  .page-hero-overlay h1 { font-size: 1.5rem; }
}