/* ============================================
   czysto.expert – Main Stylesheet
   ============================================ */

:root {
  --navy: #0f1f3d;
  --navy-light: #1a3260;
  --green: #2CC8A0;
  --green-dark: #22a082;
  --gold: #D4A017;
  --gold-dark: #b8870e;
  --white: #ffffff;
  --off-white: #f7f9fc;
  --gray-100: #f1f4f9;
  --gray-200: #e2e8f0;
  --gray-500: #718096;
  --gray-700: #2d3748;
  --text: #1a202c;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--light { background: var(--off-white); }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 2px solid var(--gray-200);
  box-shadow: 0 2px 16px rgba(15,31,61,0.10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
  gap: 32px;
}

/* ============================================
   LOGO — wyraźne i dobrze widoczne
   ============================================ */
.logo-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  /* Przezroczyste tło — logo PNG ma transparentne tło, tekst jest ciemny navy */
  background: transparent;
  border-radius: 0;
  padding: 0;
  border: none;
  box-shadow: none;
  transition: var(--transition);
}

.logo-wrapper:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.logo-img {
  height: 56px;
  width: auto;
  max-width: none;
  display: block;
  object-fit: contain;
  filter: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 7px 12px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--navy);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  background: var(--green);
  color: var(--white);
}

.nav-link--gold {
  background: rgba(212,160,23,0.18);
  color: var(--gold);
  border: 1px solid rgba(212,160,23,0.4);
}

.nav-link--gold:hover {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--lg { padding: 15px 32px; font-size: 1rem; }

.btn--primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44,200,160,0.3);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

.btn--white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.btn--white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, #1e4a6e 100%);
  color: var(--white);
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(44,200,160,0.12) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(44,200,160,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; max-width: 760px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(44,200,160,0.18);
  border: 1px solid rgba(44,200,160,0.4);
  color: var(--green);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-headline {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  margin-bottom: 20px;
}

.hero-sub strong {
  color: var(--green);
  font-weight: 700;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--green);
}
.stat span { font-size: 1.5rem; color: var(--green); font-weight: 700; }
.stat small { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 2px; }

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  background: rgba(44,200,160,0.12);
  color: var(--green-dark);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto;
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 24px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.service-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(44,200,160,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--green-dark);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--green);
  color: var(--white);
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.55;
}

.section-cta { text-align: center; }

/* ============================================
   APPROACH
   ============================================ */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.approach-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.approach-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.approach-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(44,200,160,0.2);
  line-height: 1;
  margin-bottom: 12px;
}

.approach-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.approach-item p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* ============================================
   BENEFITS
   ============================================ */
.benefits-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.benefits-text .section-tag { margin-bottom: 12px; }

.benefits-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
}

.benefits-text p {
  color: var(--gray-500);
  margin-bottom: 24px;
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.benefits-list li i { color: var(--green); margin-top: 3px; flex-shrink: 0; }

.benefits-badge-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.badge-card {
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.badge-card i { font-size: 1.8rem; }

.badge-card--green {
  background: var(--green);
  color: var(--white);
}

.badge-card--navy {
  background: var(--navy);
  color: var(--white);
}

/* ============================================
   AREA TAGS
   ============================================ */
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.area-tag {
  background: var(--white);
  border: 2px solid var(--gray-200);
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  transition: var(--transition);
}

.area-tag:hover {
  border-color: var(--green);
  background: rgba(44,200,160,0.06);
  color: var(--green-dark);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 80px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.cta-text p {
  color: rgba(255,255,255,0.7);
  max-width: 480px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

/* Logo w footerze na ciemnym tle — wyraźne białe tło */
.footer-logo-wrapper {
  background: var(--white);
  border-radius: 12px;
  padding: 10px 18px;
  display: inline-flex;
  align-items: center;
  margin-bottom: 16px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.30), 0 0 0 3px rgba(44,200,160,0.20);
}

.footer-logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}

.footer-area {
  margin-top: 10px !important;
  color: var(--green) !important;
  font-weight: 500;
}

.footer-area i { margin-right: 6px; }

.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 8px; }

.footer-nav h4,
.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 8px;
}

.footer-nav a,
.footer-contact p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-nav a:hover { color: var(--green); padding-left: 4px; }
.footer-contact a { color: rgba(255,255,255,0.65); }
.footer-contact a:hover { color: var(--green); }
.footer-contact i { color: var(--green); width: 14px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .benefits-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    gap: 6px;
    box-shadow: var(--shadow-lg);
    border-top: 2px solid var(--gray-200);
    z-index: 999;
  }

  .main-nav.open { display: flex; }

  .nav-toggle { display: flex; }

  .header-inner { height: 72px; }

  .logo-img { height: 40px; }

  .hero { padding: 60px 0 50px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 16px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .benefits-badge-group { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; }
}