/* ============================================
   WILANÓW BRUZDOWA CENTER™ — Premium Design System
   © 2026 Wilanów Bruzdowa Center. Wszelkie prawa zastrzeżone.
   ============================================ */

:root {
  --gold: #C9A85C;
  --gold-light: #E2C98A;
  --gold-dark: #A07830;
  --black: #141414;
  --dark: #141414;
  --dark-2: #1A1A1A;
  --dark-3: #222222;
  --dark-4: #2A2A2A;
  --white: #FFFFFF;
  --white-80: rgba(255,255,255,0.8);
  --white-60: rgba(255,255,255,0.6);
  --white-30: rgba(255,255,255,0.3);
  --white-10: rgba(255,255,255,0.1);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', sans-serif;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-gold: 0 0 30px rgba(201, 168, 92, 0.15);
  --border-gold: 1px solid rgba(201, 168, 92, 0.3);
}

/* RESET */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-light); }

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2.2rem); }
h4 { font-size: clamp(1.1rem, 1.8vw, 1.6rem); }

.serif { font-family: var(--font-serif); }
.gold { color: var(--gold); }
.uppercase { text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.75rem; }

/* LAYOUT */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

section { padding: 100px 0; }

/* GOLD DIVIDER */
.gold-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 20px auto;
}
.gold-line.left { margin: 20px 0; }

/* SECTION HEADER */
.section-header {
  text-align: center;
  margin-bottom: 70px;
}
.section-header .label {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.7rem;
  color: var(--gold);
  font-family: var(--font-sans);
  font-weight: 500;
  margin-bottom: 15px;
}
.section-header h2 {
  color: var(--white);
  margin-bottom: 10px;
}
.section-header p {
  color: var(--white-60);
  max-width: 600px;
  margin: 0 auto;
  font-size: 0.95rem;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: transparent;
}
.nav.scrolled {
  background: rgba(13, 13, 13, 0.97);
  padding: 12px 0;
  border-bottom: 1px solid rgba(201, 168, 92, 0.2);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}
.nav-logo img {
  height: 50px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(201,168,92,0.3));
}
.nav-logo-text {
  line-height: 1.2;
}
.nav-logo-text .brand {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-logo-text .brand .tm { 
  font-size: 0.55rem; 
  vertical-align: super; 
  color: var(--gold); 
}
.nav-logo-text .slogan {
  font-size: 0.6rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 35px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white-80);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold);
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 10px 22px !important;
  font-size: 0.68rem !important;
  letter-spacing: 0.2em;
}
.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--black) !important;
}
.nav-cta::after { display: none !important; }

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.hamburger span {
  display: block;
  width: 25px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(13,13,13,0.98);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--white);
  letter-spacing: 0.1em;
}
.mobile-menu a:hover { color: var(--gold); }
.mobile-menu .close-btn {
  position: absolute;
  top: 25px; right: 40px;
  font-size: 2rem;
  color: var(--white-60);
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 38px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn-gold {
  background: var(--gold);
  color: var(--black);
}
.btn-gold:hover {
  background: var(--gold-light);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(201,168,92,0.3);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}
.btn-white {
  background: transparent;
  border: 1px solid var(--white-30);
  color: var(--white);
}
.btn-white:hover {
  background: var(--white-10);
  color: var(--white);
}

/* ============================================
   MEDIA / VIDEO WRAPPERS
   ============================================ */
.about-img-wrap video,
.scenario-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: var(--dark);
  border-top: 1px solid rgba(201,168,92,0.15);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-logo-col img {
  height: 70px;
  width: auto;
  margin-bottom: 20px;
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: 0.1em;
}
.footer-brand .tm {
  font-size: 0.7rem;
  vertical-align: super;
  color: var(--gold);
}
.footer-slogan {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-desc {
  font-size: 0.82rem;
  color: var(--white-60);
  line-height: 1.7;
}

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 0.82rem;
  color: var(--white-60);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--gold);
  padding-left: 5px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.footer-contact-item i {
  color: var(--gold);
  font-size: 0.9rem;
  margin-top: 2px;
  min-width: 16px;
}
.footer-contact-item span, .footer-contact-item a {
  font-size: 0.82rem;
  color: var(--white-60);
  transition: var(--transition);
}
.footer-contact-item a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 28px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-copyright {
  font-size: 0.72rem;
  color: var(--white-60);
  line-height: 1.6;
}
.footer-copyright strong {
  color: var(--gold);
}

.footer-legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-legal a {
  font-size: 0.68rem;
  color: var(--white-30);
  letter-spacing: 0.05em;
}
.footer-legal a:hover {
  color: var(--gold);
}

.footer-ip-notice {
  width: 100%;
  background: rgba(201,168,92,0.04);
  border: 1px solid rgba(201,168,92,0.1);
  border-radius: 4px;
  padding: 16px 24px;
  margin-top: 20px;
  font-size: 0.68rem;
  color: var(--white-30);
  text-align: center;
  line-height: 1.8;
}
.footer-ip-notice strong {
  color: var(--white-60);
}

/* ============================================
   PAGE HERO
   ============================================ */
.page-hero {
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-bottom: 80px;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(13,13,13,0.4) 0%, rgba(13,13,13,0.85) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 2;
}
.page-hero .label {
  color: var(--gold);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 15px;
}
.page-hero h1 {
  color: var(--white);
  margin-bottom: 15px;
}
.page-hero p {
  color: var(--white-60);
  font-size: 0.95rem;
  max-width: 550px;
}

/* STATS BAR */
.stats-bar {
  background: var(--dark-2);
  border-bottom: 1px solid rgba(201,168,92,0.15);
  padding: 50px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item {
  padding: 20px;
  border-right: 1px solid rgba(201,168,92,0.1);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white-60);
}

/* CARDS */
.card {
  background: var(--dark-2);
  border: var(--border-gold);
  padding: 35px;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}
.card-icon {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(201,168,92,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.card-icon i { color: var(--gold); font-size: 1.1rem; }
.card h4 { color: var(--white); margin-bottom: 12px; }
.card p { color: var(--white-60); font-size: 0.85rem; line-height: 1.7; }

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* UTILITY */
.text-gold { color: var(--gold); }
.text-muted { color: var(--white-60); }
.mt-60 { margin-top: 60px; }
.mb-40 { margin-bottom: 40px; }

/* CTA SECTION */
.cta-section {
  background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark) 100%);
  border-top: 1px solid rgba(201,168,92,0.15);
  border-bottom: 1px solid rgba(201,168,92,0.15);
  padding: 90px 0;
  text-align: center;
}
.cta-section h2 { margin-bottom: 15px; }
.cta-section p {
  color: var(--white-60);
  font-size: 1rem;
  max-width: 550px;
  margin: 0 auto 40px;
}
.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  section { padding: 70px 0; }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}

@media (max-width: 680px) {
  .container { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
  section { padding: 55px 0; }
  .section-header { margin-bottom: 45px; }
  .cta-buttons { flex-direction: column; align-items: center; }
}