:root {
  --bg: #0f1112;
  --muted: #bfc3c6;
  --gold: #c49a3d;
  --accent: rgba(196,154,61,0.10);
  --glass: rgba(255,255,255,0.03);
  --card: #0d241a;            /* ciemnozielone kafelki */
  --card-soft: #133225;
  --radius: 12px;
  --maxw: 1100px;
  --ff: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* ================== GLOBAL ================== */

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--muted);
  font-family: var(--ff);
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
}

/* żeby treść nie wchodziła pod stałe menu */
body {
  padding-top: 90px;
}

/* zawartość nad tłem */
header,
main,
footer {
  position: relative;
  z-index: 1;
}

/* przycisk hamburgera – domyślnie niewidoczny (tylko mobilnie) */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
  margin-left: auto;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px;
}

/* ================== HEADER ================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: linear-gradient(180deg, rgba(7,9,10,0.96), rgba(7,9,10,0.9));
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.logo img {
  height: 56px;
  display: block;
}

.nav {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: nowrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.4px;
  font-size: 14px;
}

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

/* ================== HERO ================== */

.hero {
  display: flex;
  gap: 30px;
  align-items: center;
  padding: 60px 20px;
  min-height: 320px;
}

.hero .left {
  flex: 1;
}

.hero .right {
  flex: 1;
  max-width: 400px;
}

.hero h1 {
  color: white;
  font-size: 34px;
  margin: 0 0 10px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 620px;
  line-height: 1.6;
}

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

.btn {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 12px 18px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  cursor: pointer;
}

.btn.call {
  background: linear-gradient(90deg, var(--gold), #b6882f);
  color: #111;
}

.btn.gold-outline {
  border: 1px solid rgba(196, 154, 61, 0.4);
  color: var(--gold);
  background: transparent;
}

/* ================== SEKCJE / KAFELKI ================== */

.section {
  padding: 60px 0;
  position: relative;
}

/* nagłówki w „okienkach” */
.section h2 {
  color: white;
  font-size: 26px;
  margin: 0 0 18px;
  display: inline-block;
  padding: 8px 16px;
  background: var(--card);
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35);
}

/* delikatny separator między sekcjami */
.section + .section::before {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(196, 154, 61, 0.14),
    transparent
  );
  position: absolute;
  left: 6%;
  right: 6%;
  top: -1px;
  border-radius: 2px;
}

/* uniwersalna karta / kafelek */
.card {
  background: radial-gradient(circle at top left, var(--card-soft), var(--card));
  padding: 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 18px 40px rgba(0,0,0,0.55);
}

/* ================== GALERIA (sekcja) ================== */

.gallery-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.gallery-tab {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.35);
  color: var(--muted);
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}

.gallery-tab:hover {
  color: #fff;
}

.gallery-tab.active {
  background: var(--gold);
  color: #111;
  border-color: var(--gold);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.gallery-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
  border: 3px solid transparent;
  transition: transform 0.35s, box-shadow 0.25s, border-color 0.25s, filter 0.25s;
}

.gallery-grid img:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  border-color: var(--gold);
  filter: brightness(1.05);
}

/* ================== FEATURES (Dlaczego warto…) ================== */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

/* kafelek z obrotem */
.feature.flip-card {
  perspective: 900px;
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
  background: none;
  box-shadow: none;
}

/* wnętrze karty – to się obraca */
.flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s ease, box-shadow 0.3s ease;
  box-shadow: 0 18px 40px rgba(0,0,0,0.55);
  border-radius: inherit;
}

/* przód i tył BEZ dodatkowego cienia */
.flip-front,
.flip-back {
  position: relative;
  backface-visibility: hidden;
  background: radial-gradient(circle at top left, var(--card-soft), var(--card));
  padding: 18px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: none;
}

/* ikona na przodzie */
.flip-front i {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 10px;
}

.flip-front h4,
.flip-back h4 {
  margin: 6px 0 6px;
  color: white;
}

.flip-front p,
.flip-back p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* tył karty – obrócony o 180deg i na absolutnej pozycji */
.flip-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
}

/* PODNOSZENIE przy najechaniu (przód lub tył) */
.feature.flip-card:hover .flip-inner {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}

/* OBRÓT po kliknięciu – klasa .flipped dodawana w JS */
.feature.flip-card.flipped .flip-inner {
  transform: rotateY(180deg);
}

/* Podnoszenie + obrót jednocześnie */
.feature.flip-card.flipped:hover .flip-inner {
  transform: translateY(-6px) rotateY(180deg);
}

/* ogólne style feature (jeśli użyjesz gdzie indziej) */
.feature {
  background: none;
}

/* ================== TESTIMONIALS ================== */

.testimonial {
  background: radial-gradient(circle at top left, var(--card-soft), var(--card));
  padding: 14px;
  border-radius: 12px;
  border-left: 4px solid var(--gold);
  color: var(--muted);
  box-shadow: 0 16px 36px rgba(0,0,0,0.6);
}

.testimonial strong {
  color: white;
}

.testimonial small {
  display: block;
  color: #9aa0a3;
  font-size: 13px;
  margin-top: 8px;
}

/* ================== CONTACT ================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
}

.form input,
.form textarea {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0,0,0,0.25);
  color: var(--muted);
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.form button {
  width: 100%;
  padding: 12px 18px;
  border-radius: 10px;
  border: 0;
  background: var(--gold);
  color: #081014;
  font-weight: 800;
  cursor: pointer;
}

/* ================== FOOTER ================== */

.footer {
  padding: 30px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  text-align: center;
  color: #8f9698;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.social-links {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
}

.social-links a {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-decoration: none;
  font-size: 16px;
}

.social-links a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.social-disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

/* ================== RESPONSYWNOŚĆ ================== */

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding-top: 40px;
  }

  .hero .right {
    max-width: 100%;
    width: 100%;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .header {
    padding: 10px 20px;
    flex-wrap: wrap;
    gap: 8px;
  }

  /* pokazujemy hamburgera na mobilu */
  .nav-toggle {
    display: block;
  }

  /* menu mobilne – domyślnie ukryte */
  .nav {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-top: 6px;
  }

  /* gdy menu ma klasę .open (JS ją dodaje) – pokazujemy */
  .nav.open {
    display: flex;
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid img {
    height: 220px;
  }
}

@media (max-width: 600px) {
  .features {
    grid-template-columns: 1fr;
  }
}

/* ================== ANIMACJE REVEAL ================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: all 0.9s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.fade-in {
  transition: opacity 0.6s ease;
  opacity: 0;
}

.fade-in.show {
  opacity: 1;
}

/* ===========================
   TŁO – wygaszacz z galerii
   =========================== */

.bg-slideshow {
  position: fixed;
  inset: 0;
  z-index: 0;          /* pod treścią, ale nad tłem body */
  overflow: hidden;
}

.bg-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  /* mniej rozmycia i mniejsze powiększenie = ostrzejsze tło */
  filter: blur(3px) brightness(0.5);
  transform: scale(1.02);
  animation: bgFade 40s infinite;
}

/* style.css w css/, obrazki obok index.html -> ../ */
.bg-slide:nth-child(1) {
  background-image: url("../gallery1.jpg");
  animation-delay: 0s;
}

.bg-slide:nth-child(2) {
  background-image: url("../gallery2.jpg");
  animation-delay: 8s;
}

.bg-slide:nth-child(3) {
  background-image: url("../gallery3.jpg");
  animation-delay: 16s;
}

.bg-slide:nth-child(4) {
  background-image: url("../gallery4.jpg");
  animation-delay: 24s;
}

.bg-slide:nth-child(5) {
  background-image: url("../gallery5.jpg");
  animation-delay: 32s;
}

@keyframes bgFade {
  0%   { opacity: 0; }
  5%   { opacity: 1; }
  20%  { opacity: 1; }
  25%  { opacity: 0; }
  100% { opacity: 0; }
}

/* Strzałki w lightboxie */
.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.4);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lb-prev { left: 24px; }
.lb-next { right: 24px; }

.lb-arrow:hover {
  background: rgba(0,0,0,0.7);
  border-color: var(--gold);
}