/* =========================================================
   Insightwarsaw — shared stylesheet
   Warsaw private tour guide | Marta Rzeznik
   ========================================================= */

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #f4f4f4;
  color: #222534;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  vertical-align: middle;
}

a {
  color: #455a64;
  text-decoration: none;
}

a:hover,
a:focus {
  color: #222534;
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  color: #222534;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: #455a64;
  position: relative;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 18px 20px;
}

.site-branding a {
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
}

.site-branding a:hover {
  color: #cfd8dc;
}

/* Nav toggle (mobile hamburger, CSS-only) */
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  width: 32px;
  height: 26px;
  position: relative;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  background: #fff;
  height: 3px;
  border-radius: 2px;
  width: 100%;
  position: absolute;
  transition: all 0.25s ease;
}

.nav-toggle-label span {
  top: 11px;
}

.nav-toggle-label span::before {
  content: "";
  top: -9px;
}

.nav-toggle-label span::after {
  content: "";
  top: 9px;
}

/* Main navigation */
.main-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.main-navigation > ul > li {
  position: relative;
  margin: 0 0 0 26px;
}

.main-navigation > ul > li > a {
  display: block;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 0;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.main-navigation > ul > li > a:hover,
.main-navigation > ul > li.current > a {
  color: #fff;
  border-bottom-color: #fff;
}

/* Dropdown submenu */
.main-navigation .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 300px;
  background: #37474f;
  padding: 6px 0;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
  flex-direction: column;
}

.main-navigation li.has-children:hover > .sub-menu,
.main-navigation li.has-children:focus-within > .sub-menu {
  display: flex;
}

.main-navigation .sub-menu li {
  width: 100%;
  border-bottom: 1px solid #4c626c;
}

.main-navigation .sub-menu li:last-child {
  border-bottom: none;
}

.main-navigation .sub-menu a {
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  text-transform: none;
  padding: 10px 18px;
  display: block;
}

.main-navigation .sub-menu a:hover {
  background: #455a64;
  text-decoration: none;
}

.main-navigation li.has-children > a::after {
  content: "\25BE";
  margin-left: 6px;
  font-size: 11px;
}

/* ---------- Hero banner (home page only) ---------- */
.main-banner {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.main-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(34, 37, 52, 0.45);
}

.main-banner .container {
  position: relative;
  padding: 100px 20px;
  text-align: center;
}

.banner-title {
  color: #fff;
  font-size: 42px;
  margin: 0;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.banner-title a {
  color: #fff;
  text-decoration: none;
}

.site-description {
  color: #fff;
  font-size: 19px;
  margin: 12px 0 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

/* ---------- Content layout ---------- */
.site-content {
  padding: 50px 0 70px;
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}

.primary-content article {
  background: #fff;
  padding: 35px 40px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.entry-title {
  font-size: 30px;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid #e0e0e0;
}

.entry-content p {
  margin: 0 0 16px;
}

.entry-content p:last-child {
  margin-bottom: 0;
}

.entry-content strong {
  color: #222534;
}

.entry-content em {
  color: #555;
}

.entry-content hr {
  border: 0;
  border-top: 1px solid #e0e0e0;
  margin: 24px 0;
}

.credit-cards {
  max-width: 260px;
}

.tripadvisor-badge {
  width: 90px;
}

/* ---------- Sidebar ---------- */
.sidebar .widget {
  background: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  text-align: center;
}

.sidebar .widget p {
  margin: 0 0 16px;
}

.sidebar .widget p:last-child {
  margin-bottom: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #455a64;
  color: #fff;
  text-align: center;
  padding: 28px 20px;
  font-size: 14px;
}

.site-footer a {
  color: #fff;
  text-decoration: underline;
}

.site-footer a:hover {
  color: #cfd8dc;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-width: 320px;
  }
}

@media (max-width: 767px) {
  .nav-toggle-label {
    display: block;
  }

  .main-navigation {
    display: block;
    width: 100%;
    order: 3;
  }

  .main-navigation ul {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding-top: 10px;
  }

  .nav-toggle:checked ~ .main-navigation ul {
    display: flex;
  }

  .main-navigation > ul > li {
    margin: 0;
    border-top: 1px solid #526670;
  }

  .main-navigation > ul > li > a {
    padding: 12px 4px;
    border-bottom: none;
  }

  .main-navigation .sub-menu {
    display: none;
    position: static;
    box-shadow: none;
    min-width: 0;
  }

  .main-navigation li.has-children:hover > .sub-menu,
  .main-navigation li.has-children:focus-within > .sub-menu,
  .main-navigation li.has-children.open > .sub-menu {
    display: flex;
  }

  .banner-title {
    font-size: 28px;
  }

  .site-description {
    font-size: 16px;
  }

  .main-banner .container {
    padding: 60px 20px;
  }

  .primary-content article {
    padding: 24px 20px;
  }

  .entry-title {
    font-size: 24px;
  }
}