/* ==========================================================================
   STĄD - DALEJ (stad-dalej.pl) — Globalny szablon CSS
   Kolorystyka oparta na identyfikacji wizualnej projektu:
   - Zielony (Natura / Rozwój)
   - Żółty / Złoty (Energia / Ciekawość)
   - Niebieski (Nauka / Narew / Przyszłość)
   - Granatowy (Typografia z baneru)
   ========================================================================== */

:root {
  /* Główne kolory marki (z logo i baneru) */
  --sd-green: #1e8238;
  --sd-green-light: #3eb557;
  --sd-green-soft: #eaf7ed;

  --sd-yellow: #f7b500;
  --sd-yellow-light: #ffd147;
  --sd-yellow-soft: #fff8e5;

  --sd-blue: #0066cc;
  --sd-blue-light: #1e88e5;
  --sd-blue-soft: #e6f2ff;

  --sd-navy: #0a1931;
  --sd-text: #2b3545;
  --sd-text-muted: #5c687a;
  --sd-bg-light: #f8fafc;
  --sd-white: #ffffff;

  /* Gradienty marki */
  --sd-gradient-brand: linear-gradient(135deg, var(--sd-green) 0%, var(--sd-yellow) 50%, var(--sd-blue) 100%);
  --sd-gradient-green-blue: linear-gradient(135deg, var(--sd-green) 0%, var(--sd-blue) 100%);
  --sd-gradient-hero: linear-gradient(180deg, rgba(10, 25, 49, 0.03) 0%, rgba(0, 102, 204, 0.06) 100%);

  /* Nadpisanie zmiennych Bootstrap 5 */
  --bs-primary: var(--sd-blue);
  --bs-primary-rgb: 0, 102, 204;
  --bs-success: var(--sd-green);
  --bs-success-rgb: 30, 130, 56;
  --bs-warning: var(--sd-yellow);
  --bs-warning-rgb: 247, 181, 0;
  --bs-dark: var(--sd-navy);
  --bs-dark-rgb: 10, 25, 49;
  --bs-body-color: var(--sd-text);
  --bs-body-font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Zaokrąglenia i cienie (łatwe do ponownego użycia w kolejnych podstronach) */
  --sd-radius-sm: 0.625rem;
  --sd-radius-md: 1rem;
  --sd-radius-lg: 1.5rem;
  --sd-radius-pill: 50rem;

  --sd-shadow-sm: 0 4px 16px rgba(10, 25, 49, 0.06);
  --sd-shadow-md: 0 10px 30px rgba(10, 25, 49, 0.09);
  --sd-shadow-lg: 0 20px 45px rgba(10, 25, 49, 0.14);
  --sd-transition: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================
   Baza i typografia
   ========================================================================== */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--bs-body-font-family);
  color: var(--sd-text);
  background-color: var(--sd-white);
  overflow-x: hidden;
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6,
.sd-heading {
  color: var(--sd-navy);
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Dekoracyjny pasek w kolorach marki */
.sd-brand-bar {
  height: 5px;
  width: 100%;
  background: var(--sd-gradient-brand);
}

.sd-divider {
  width: 80px;
  height: 5px;
  border-radius: var(--sd-radius-pill);
  background: var(--sd-gradient-brand);
  margin: 1rem 0 1.5rem;
}

.sd-divider.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Klasy pomocnicze (Utilities) do dalszej rozbudowy
   ========================================================================== */
.bg-sd-light { background-color: var(--sd-bg-light) !important; }
.bg-sd-green-soft { background-color: var(--sd-green-soft) !important; }
.bg-sd-yellow-soft { background-color: var(--sd-yellow-soft) !important; }
.bg-sd-blue-soft { background-color: var(--sd-blue-soft) !important; }
.bg-sd-navy { background-color: var(--sd-navy) !important; }

.text-sd-green { color: var(--sd-green) !important; }
.text-sd-yellow { color: #d99b00 !important; }
.text-sd-blue { color: var(--sd-blue) !important; }
.text-sd-navy { color: var(--sd-navy) !important; }

.text-gradient {
  background: var(--sd-gradient-green-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Odznaki (Badges) */
.sd-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--sd-radius-pill);
  letter-spacing: 0.02em;
}

.sd-badge-green {
  background-color: var(--sd-green-soft);
  color: var(--sd-green);
}

.sd-badge-yellow {
  background-color: var(--sd-yellow-soft);
  color: #b88200;
}

.sd-badge-blue {
  background-color: var(--sd-blue-soft);
  color: var(--sd-blue);
}

/* ==========================================================================
   Przyciski
   ========================================================================== */
.btn-sd-primary {
  background: linear-gradient(135deg, var(--sd-blue) 0%, var(--sd-blue-light) 100%);
  color: var(--sd-white);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--sd-radius-pill);
  border: none;
  box-shadow: 0 6px 20px rgba(0, 102, 204, 0.25);
  transition: var(--sd-transition);
}

.btn-sd-primary:hover,
.btn-sd-primary:focus {
  color: var(--sd-white);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 102, 204, 0.35);
}

.btn-sd-green {
  background: linear-gradient(135deg, var(--sd-green) 0%, var(--sd-green-light) 100%);
  color: var(--sd-white);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--sd-radius-pill);
  border: none;
  box-shadow: 0 6px 20px rgba(30, 130, 56, 0.25);
  transition: var(--sd-transition);
}

.btn-sd-green:hover,
.btn-sd-green:focus {
  color: var(--sd-white);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(30, 130, 56, 0.35);
}

.btn-sd-yellow {
  background: linear-gradient(135deg, var(--sd-yellow) 0%, var(--sd-yellow-light) 100%);
  color: var(--sd-navy);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--sd-radius-pill);
  border: none;
  box-shadow: 0 6px 20px rgba(247, 181, 0, 0.3);
  transition: var(--sd-transition);
}

.btn-sd-yellow:hover,
.btn-sd-yellow:focus {
  color: var(--sd-navy);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(247, 181, 0, 0.42);
}

.btn-sd-outline {
  background: var(--sd-white);
  color: var(--sd-navy);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--sd-radius-pill);
  border: 2px solid rgba(10, 25, 49, 0.14);
  transition: var(--sd-transition);
}

.btn-sd-outline:hover {
  border-color: var(--sd-blue);
  color: var(--sd-blue);
  transform: translateY(-2px);
}

/* ==========================================================================
   Nawigacja (Navbar)
   ========================================================================== */
.sd-navbar {
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(10, 25, 49, 0.06);
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.sd-navbar .navbar-brand {
  font-weight: 800;
  color: var(--sd-navy);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sd-navbar .navbar-brand img {
  height: 46px;
  width: auto;
  border-radius: 50%;
  transition: var(--sd-transition);
}

.sd-navbar .navbar-brand:hover img {
  transform: rotate(-4deg) scale(1.05);
}

.sd-navbar .nav-link {
  color: var(--sd-text);
  font-weight: 600;
  padding: 0.5rem 1rem !important;
  border-radius: var(--sd-radius-pill);
  transition: var(--sd-transition);
}

.sd-navbar .nav-link:hover,
.sd-navbar .nav-link.active {
  color: var(--sd-blue);
  background-color: var(--sd-blue-soft);
}

/* ==========================================================================
   Sekcje i Karty ( uniwersalne komponenty )
   ========================================================================== */
.sd-section {
  padding: 5rem 0;
  position: relative;
}

/* Sekcja Hero */
.sd-hero {
  background: var(--sd-gradient-hero);
  padding: 3.5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}

.sd-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 181, 0, 0.16) 0%, rgba(247, 181, 0, 0) 70%);
  pointer-events: none;
}

.sd-hero::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 130, 56, 0.12) 0%, rgba(30, 130, 56, 0) 70%);
  pointer-events: none;
}

.sd-banner-frame {
  border-radius: var(--sd-radius-lg);
  overflow: hidden;
  box-shadow: var(--sd-shadow-lg);
  border: 4px solid var(--sd-white);
  position: relative;
}

.sd-banner-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Uniwersalna karta projektu */
.sd-card {
  background: var(--sd-white);
  border-radius: var(--sd-radius-md);
  border: 1px solid rgba(10, 25, 49, 0.07);
  box-shadow: var(--sd-shadow-sm);
  padding: 2rem;
  height: 100%;
  transition: var(--sd-transition);
  position: relative;
  overflow: hidden;
}

.sd-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sd-shadow-md);
}

.sd-card-accent-green { border-top: 5px solid var(--sd-green); }
.sd-card-accent-yellow { border-top: 5px solid var(--sd-yellow); }
.sd-card-accent-blue { border-top: 5px solid var(--sd-blue); }

/* Ikony w kartach */
.sd-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--sd-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  margin-bottom: 1.25rem;
}

.sd-icon-green {
  background-color: var(--sd-green-soft);
  color: var(--sd-green);
}

.sd-icon-yellow {
  background-color: var(--sd-yellow-soft);
  color: #c28a00;
}

.sd-icon-blue {
  background-color: var(--sd-blue-soft);
  color: var(--sd-blue);
}

/* Sekcja O nas / Inicjatorki */
.sd-callout {
  background: linear-gradient(135deg, var(--sd-navy) 0%, #132c52 100%);
  color: var(--sd-white);
  border-radius: var(--sd-radius-lg);
  padding: 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--sd-shadow-lg);
}

.sd-callout h2,
.sd-callout h3,
.sd-callout h4 {
  color: var(--sd-white);
}

.sd-logo-showcase {
  background: var(--sd-white);
  border-radius: 50%;
  padding: 1.25rem;
  width: 170px;
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.sd-logo-showcase img {
  max-width: 100%;
  height: auto;
}

/* ==========================================================================
   Stopka i Ikony Social Media
   ========================================================================== */
.sd-footer {
  background-color: var(--sd-navy);
  color: rgba(255, 255, 255, 0.8);
  position: relative;
}

.sd-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.sd-social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--sd-radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--sd-white);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: var(--sd-transition);
}

.sd-social-pill .sd-social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: var(--sd-transition);
}

/* Kolory dedykowane dla ikon w stopce (nawiązujące do barw projektu i platform) */
.sd-social-fb .sd-social-icon {
  background-color: var(--sd-blue);
  color: var(--sd-white);
}

.sd-social-ig .sd-social-icon {
  background-color: var(--sd-yellow);
  color: var(--sd-navy);
}

.sd-social-mail .sd-social-icon {
  background-color: var(--sd-green);
  color: var(--sd-white);
}

.sd-social-pill:hover {
  transform: translateY(-4px);
  color: var(--sd-white);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.sd-social-pill:hover .sd-social-icon {
  transform: scale(1.1);
}

@media (max-width: 767.98px) {
  .sd-section {
    padding: 3.5rem 0;
  }
  .sd-callout {
    padding: 2rem 1.5rem;
  }
}