/* =============================================================
   NP TRADE GMBH — Custom Stylesheet
   Built on top of Bootstrap 5.3
   To customise Bootstrap variables see:
   https://getbootstrap.com/docs/5.3/customize/css-variables/
   ============================================================= */

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  --np-navy:        #0B2444;
  --np-navy-light:  #112D59;
  --np-accent:      #F97316;
  --np-accent-dark: #EA6B0D;
  --np-white:       #FFFFFF;
  --np-gray-50:     #F8FAFC;
  --np-gray-100:    #F1F5F9;
  --np-gray-200:    #E2E8F0;
  --np-gray-400:    #94A3B8;
  --np-gray-600:    #475569;
  --np-text:        #1E293B;

  --np-font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --np-transition:  0.28s ease;
  --np-shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --np-shadow-md:   0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --np-shadow-lg:   0 12px 28px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
  --np-radius:      12px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--np-font);
  color: var(--np-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--np-accent);
  text-decoration: none;
  transition: color var(--np-transition);
}
a:hover { color: var(--np-accent-dark); }

/* Offset for fixed navbar */
section[id] { scroll-margin-top: 76px; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--np-gray-100); }
::-webkit-scrollbar-thumb { background: var(--np-navy); border-radius: 3px; }

/* ── Utilities ────────────────────────────────────────────── */
.text-accent    { color: var(--np-accent) !important; }
.bg-light-alt   { background-color: var(--np-gray-100) !important; }
.bg-navy        { background-color: var(--np-navy) !important; }
.text-white-muted { color: rgba(255,255,255,.65); }
.section-padding { padding: 96px 0; }

/* ── Language switcher ────────────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,.1);
  border-radius: 8px;
  padding: 4px 8px;
}

.lang-btn {
  display: inline-block;
  background: none;
  border: none;
  font-family: var(--np-font);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  padding: 3px 7px;
  border-radius: 5px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--np-transition);
}
.lang-btn.active,
.lang-btn:hover {
  color: #fff;
  background: var(--np-accent);
}

.lang-divider {
  color: rgba(255,255,255,.2);
  font-size: .75rem;
  margin: 0 1px;
  pointer-events: none;
}

/* Scrolled navbar variant */
.navbar-scrolled .lang-switcher {
  background: var(--np-gray-100);
}
.navbar-scrolled .lang-btn {
  color: var(--np-gray-600);
}
.navbar-scrolled .lang-btn.active,
.navbar-scrolled .lang-btn:hover {
  color: #fff;
  background: var(--np-accent);
}
.navbar-scrolled .lang-divider { color: var(--np-gray-400); }

/* ── Navigation ───────────────────────────────────────────── */
#mainNav {
  background: transparent;
  padding: 20px 0;
  transition: background var(--np-transition), box-shadow var(--np-transition), padding var(--np-transition);
}

#mainNav.navbar-scrolled {
  background: #fff;
  box-shadow: var(--np-shadow-md);
  padding: 12px 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff !important;
  letter-spacing: -.03em;
  transition: color var(--np-transition);
}
#mainNav.navbar-scrolled .navbar-brand { color: var(--np-navy) !important; }

.brand-np    { color: var(--np-accent); }
.brand-trade { color: inherit; }
.brand-gmbh  { font-size: .65rem; font-weight: 400; opacity: .7; vertical-align: super; margin-left: 2px; }

.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: rgba(255,255,255,.8) !important;
  padding: 6px 14px !important;
  border-radius: 6px;
  transition: all var(--np-transition);
}
.nav-link:hover,
.nav-link.active {
  color: #fff !important;
  background: rgba(255,255,255,.1);
}

#mainNav.navbar-scrolled .nav-link         { color: var(--np-gray-600) !important; }
#mainNav.navbar-scrolled .nav-link:hover,
#mainNav.navbar-scrolled .nav-link.active  { color: var(--np-navy) !important; background: var(--np-gray-100); }

/* Hamburger for dark/transparent navbar */
.navbar-toggler { border-color: rgba(255,255,255,.4); }
.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='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
#mainNav.navbar-scrolled .navbar-toggler { border-color: var(--np-gray-200); }
#mainNav.navbar-scrolled .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='rgba(0,0,0,0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-accent {
  background: var(--np-accent);
  color: #fff;
  border: 2px solid var(--np-accent);
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 8px;
  transition: all var(--np-transition);
}
.btn-accent:hover,
.btn-accent:focus {
  background: var(--np-accent-dark);
  border-color: var(--np-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(249,115,22,.35);
}

.btn-outline-light {
  border-width: 2px;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--np-transition);
}
.btn-outline-light:hover { transform: translateY(-2px); }

/* ── Hero Section ─────────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 100vh;
  /* ▶ Replace image URL with your own industrial/energy photo */
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,36,68,.92) 0%,
    rgba(11,36,68,.78) 50%,
    rgba(11,36,68,.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 90px;
}

.hero-eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--np-accent);
  margin-bottom: 16px;
  display: block;
}

.hero-title {
  font-size: clamp(1.9rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -.025em;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  color: rgba(255,255,255,.7);
  letter-spacing: .1em;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2.2s ease-in-out infinite;
}
.hero-scroll a {
  color: rgba(255,255,255,.45);
  font-size: 1.75rem;
  display: block;
  transition: color var(--np-transition);
}
.hero-scroll a:hover { color: var(--np-accent); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(9px); }
}

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar {
  background: var(--np-navy);
  padding: 44px 0;
}

.stat-item { display: flex; flex-direction: column; align-items: center; }

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--np-accent);
  letter-spacing: -.03em;
  line-height: 1;
}

.stat-label {
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* ── Section Common ───────────────────────────────────────── */
.section-eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--np-accent);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--np-navy);
}
.section-title.text-white { color: #fff; }

.section-lead {
  font-size: 1rem;
  color: var(--np-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.section-text {
  font-size: .975rem;
  color: var(--np-gray-600);
  margin-bottom: 14px;
}

/* ── About Section ────────────────────────────────────────── */
.about-img-wrap {
  position: relative;
  display: block;
}

.about-img-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: -18px;
  right: -18px;
  background: var(--np-accent);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--np-radius);
  font-weight: 700;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--np-shadow-lg);
  white-space: nowrap;
}
.about-badge i { font-size: 1.2rem; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .95rem;
  color: var(--np-text);
}
.highlight-item i { font-size: 1.05rem; flex-shrink: 0; margin-top: 3px; }

/* ── Service Cards ────────────────────────────────────────── */
.service-card {
  background: #fff;
  border: 1px solid var(--np-gray-200);
  border-radius: var(--np-radius);
  padding: 32px 28px;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform var(--np-transition), box-shadow var(--np-transition), border-color var(--np-transition);
}

/* Accent top border on hover */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--np-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--np-transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--np-shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 54px;
  height: 54px;
  background: rgba(249,115,22,.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--np-transition);
}
.service-icon i { font-size: 1.45rem; color: var(--np-accent); transition: color var(--np-transition); }
.service-card:hover .service-icon { background: var(--np-accent); }
.service-card:hover .service-icon i { color: #fff; }

.service-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--np-navy);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-text {
  font-size: .875rem;
  color: var(--np-gray-600);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-arrow {
  color: var(--np-accent);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--np-transition);
}
.service-card:hover .service-arrow { opacity: 1; transform: translateX(0); }

/* ── Reference Cards ──────────────────────────────────────── */
.ref-card {
  background: #fff;
  border-radius: var(--np-radius);
  overflow: hidden;
  box-shadow: var(--np-shadow-sm);
  height: 100%;
  transition: transform var(--np-transition), box-shadow var(--np-transition);
}
.ref-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--np-shadow-lg);
}

.ref-image {
  position: relative;
  height: 196px;
  overflow: hidden;
}
.ref-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.ref-card:hover .ref-image img { transform: scale(1.07); }

.ref-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--np-accent);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}

.ref-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ref-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--np-navy);
  margin: 0;
  line-height: 1.3;
}

.ref-desc {
  font-size: .85rem;
  color: var(--np-gray-600);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.ref-result {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .83rem;
  font-weight: 600;
  color: var(--np-text);
  padding-top: 12px;
  border-top: 1px solid var(--np-gray-200);
  margin-top: 4px;
}

/* ── Why Us Section ───────────────────────────────────────── */
.why-card {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--np-radius);
  padding: 32px 26px;
  height: 100%;
  transition: background var(--np-transition), border-color var(--np-transition), transform var(--np-transition);
}
.why-card:hover {
  background: rgba(255,255,255,.05);
  border-color: var(--np-accent);
  transform: translateY(-4px);
}

.why-icon {
  width: 54px;
  height: 54px;
  background: rgba(249,115,22,.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--np-transition);
}
.why-icon i { font-size: 1.4rem; color: var(--np-accent); transition: color var(--np-transition); }
.why-card:hover .why-icon { background: var(--np-accent); }
.why-card:hover .why-icon i { color: #fff; }

.why-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.why-text {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
  margin: 0;
}

/* ── Contact Section ──────────────────────────────────────── */
.contact-form-card {
  background: #fff;
  border-radius: var(--np-radius);
  padding: 40px;
  box-shadow: var(--np-shadow-md);
}

.form-label {
  font-size: .83rem;
  font-weight: 600;
  color: var(--np-text);
  margin-bottom: 6px;
}

.form-control {
  border: 1px solid var(--np-gray-200);
  border-radius: 8px;
  padding: 11px 15px;
  font-size: .9rem;
  font-family: var(--np-font);
  color: var(--np-text);
  transition: border-color var(--np-transition), box-shadow var(--np-transition);
}
.form-control:focus {
  border-color: var(--np-accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,.15);
  outline: none;
}
.form-control::placeholder { color: var(--np-gray-400); }

.form-check-input:checked { background-color: var(--np-accent); border-color: var(--np-accent); }
.form-check-input:focus   { box-shadow: 0 0 0 3px rgba(249,115,22,.2); }

.contact-info-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--np-navy);
  margin-bottom: 26px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
  font-size: .93rem;
  color: var(--np-gray-600);
}
.contact-info-item a { color: var(--np-accent); }
.contact-info-item a:hover { text-decoration: underline; }

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(249,115,22,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon i { color: var(--np-accent); font-size: .95rem; }

.map-wrap iframe {
  border-radius: var(--np-radius);
  display: block;
  filter: grayscale(15%);
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--np-navy);
  color: rgba(255,255,255,.55);
  font-size: .875rem;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff !important;
  letter-spacing: -.025em;
  display: inline-block;
}

.footer-tagline {
  font-size: .72rem;
  color: rgba(255,255,255,.35);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.footer-copy { color: rgba(255,255,255,.45); }

.footer-link {
  color: rgba(255,255,255,.55);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.18);
  transition: color var(--np-transition), text-decoration-color var(--np-transition);
}
.footer-link:hover { color: var(--np-accent); text-decoration-color: var(--np-accent); }

.footer-sep { color: rgba(255,255,255,.2); }

/* ── Scroll-reveal Animations ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .18s; }
.reveal-d3 { transition-delay: .28s; }
.reveal-d4 { transition-delay: .38s; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1199px) {
  .about-badge { right: 0; }
}

@media (max-width: 991px) {
  .section-padding { padding: 72px 0; }

  /* Mobile nav drawer */
  #navbarNav {
    background: var(--np-navy);
    padding: 16px;
    margin-top: 12px;
    border-radius: var(--np-radius);
  }

  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; max-width: 300px; text-align: center; }

  .about-img-wrap img { height: 360px; }
  .about-badge { bottom: 0; }
}

@media (max-width: 767px) {
  .section-padding { padding: 56px 0; }
  .stats-bar { padding: 32px 0; }
  .contact-form-card { padding: 24px 18px; }
  .hero-section { background-attachment: scroll; } /* Disable parallax on mobile */
}

@media (max-width: 575px) {
  .about-img-wrap img { height: 280px; }
  .ref-image { height: 170px; }
  .stat-number { font-size: 2rem; }
}