/* ============================================================
   Base — reset, typography, header, footer, primitives
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
svg { display: block; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 var(--sp-sm);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin: 0 0 var(--sp-sm); line-height: var(--lh-base); }

ul, ol { margin: 0 0 var(--sp-sm); padding-left: var(--sp-md); line-height: var(--lh-base); }
li { margin-bottom: var(--sp-xs); }
li:last-child { margin-bottom: 0; }

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--color-link) 30%, transparent);
  transition: color var(--dur-base) var(--ease-out), text-decoration-color var(--dur-base) var(--ease-out);
}
a:hover {
  color: var(--color-link-hover);
  text-decoration-color: var(--color-link-hover);
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

strong, b { font-weight: 700; color: var(--color-accent); }
em, i { font-style: italic; }

blockquote { margin: 0; padding: 0; font-style: italic; }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--color-bg-mute);
  border-radius: var(--radius-sm);
}
code { padding: 2px 6px; }
pre { padding: var(--sp-sm); overflow-x: auto; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--sp-lg) 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ============= Layout primitives ============= */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}
.container-wide { max-width: 1320px; }
.container-narrow { max-width: 820px; }

/* ============= Buttons ============= */

.btn {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-hover);
  --btn-text: var(--color-white);
  --btn-border: transparent;

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  color: var(--btn-text);
  background: var(--btn-bg);
  border: 1.5px solid var(--btn-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-2);
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  will-change: transform;
}
.btn:hover {
  background: var(--btn-bg-hover);
  color: var(--btn-text);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-3);
}
.btn:active { transform: translateY(0); }
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary { --btn-bg: var(--color-primary); --btn-bg-hover: var(--color-primary-hover); }
.btn-primary:hover { box-shadow: var(--shadow-glow); }

.btn-secondary {
  --btn-bg: var(--color-secondary);
  --btn-bg-hover: var(--color-secondary-hover);
}

.btn-outline {
  --btn-bg: transparent;
  --btn-bg-hover: var(--color-primary);
  --btn-text: var(--color-primary);
  --btn-border: var(--color-primary);
  box-shadow: none;
}
.btn-outline:hover { color: var(--color-white); }

.btn-ghost {
  --btn-bg: transparent;
  --btn-bg-hover: var(--color-accent-soft);
  --btn-text: var(--color-accent);
  --btn-border: transparent;
  box-shadow: none;
}

.btn-arrow::after {
  content: "\2192";
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ============= Accessibility helpers ============= */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 12px 16px;
  background: var(--color-accent);
  color: var(--color-white);
  z-index: var(--z-toast);
  border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 12px; top: 12px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ============= Reveal-on-scroll ============= */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-deliberate) var(--ease-out),
              transform var(--dur-deliberate) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ============= Reading progress bar (articles) ============= */

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--gradient-primary);
  z-index: calc(var(--z-navbar) + 1);
  pointer-events: none;
  transition: width 80ms linear;
}

/* ============= Header / Navbar ============= */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              padding var(--dur-base) var(--ease-out);
}
.navbar.is-scrolled {
  box-shadow: var(--shadow-2);
  border-bottom-color: var(--color-border-soft);
}
.navbar > .container {
  padding-top: 14px;
  padding-bottom: 14px;
  transition: padding var(--dur-base) var(--ease-out);
}
.navbar.is-scrolled > .container { padding-top: 8px; padding-bottom: 8px; }

.navbar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
}
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo img {
  height: 38px;
  width: auto;
  display: block;
  transition: height var(--dur-base) var(--ease-out);
}
.navbar.is-scrolled .logo img { height: 32px; }

.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  gap: 4px;
  transition: background var(--dur-base) var(--ease-out);
}
.navbar-toggle:hover { background: var(--color-bg-alt); }
.navbar-toggle .icon-bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-accent);
  margin: 0 auto;
  border-radius: var(--radius-pill);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}
.navbar-toggle[aria-expanded="true"] .icon-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.navbar-toggle[aria-expanded="true"] .icon-bar:nth-child(2) { opacity: 0; }
.navbar-toggle[aria-expanded="true"] .icon-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.navbar-collapse { flex: 1; }
.navbar .menu.nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}
.navbar .menu.nav > li { position: relative; margin: 0; }
.navbar .menu.nav > li > a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-decoration: none;
  color: var(--color-accent);
  white-space: nowrap;
  border-radius: var(--radius-pill);
  transition: color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.navbar .menu.nav > li > a:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}
.navbar .menu.nav > li > a.is-highlight {
  background: var(--color-primary);
  color: var(--color-white);
  padding-inline: 18px;
  box-shadow: var(--shadow-2);
  text-shadow: none;
}
.navbar .menu.nav > li > a.is-highlight:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.navbar .menu.nav .caret {
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 4px;
  vertical-align: middle;
}

.navbar .menu.nav .dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 280px;
  background: var(--color-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  padding: 8px;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              visibility 0s linear var(--dur-base);
  z-index: var(--z-dropdown);
}
.navbar .menu.nav > li.has-children:hover > .dropdown-menu,
.navbar .menu.nav > li.has-children:focus-within > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
.navbar .menu.nav .dropdown-menu li { margin: 0; }
.navbar .menu.nav .dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  font-size: var(--fs-sm);
  text-decoration: none;
  color: var(--color-accent);
  border-radius: var(--radius-md);
}
.navbar .menu.nav .dropdown-menu li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}
.navbar .menu.nav .menu-img img { width: 32px; height: 32px; object-fit: contain; }
.navbar .menu.nav .menu-title { display: block; font-weight: 600; }
.navbar .menu.nav .menu-desc {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

@media (max-width: 991px) {
  .navbar-toggle { display: inline-flex; }
  .navbar-collapse {
    display: none;
    flex-basis: 100%;
    padding-top: var(--sp-sm);
  }
  .navbar-collapse.is-open { display: block; }
  .navbar .menu.nav { flex-direction: column; align-items: stretch; gap: 0; }
  .navbar .menu.nav > li { width: 100%; }
  .navbar .menu.nav > li > a {
    padding: 12px 0;
    border-top: 1px solid var(--color-border);
    border-radius: 0;
  }
  .navbar .menu.nav > li > a.is-highlight {
    margin-top: 8px;
    border-radius: var(--radius-pill);
    text-align: center;
  }
  .navbar .menu.nav .dropdown-menu {
    position: static;
    box-shadow: none;
    border: 0;
    padding: 0 0 8px;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
}

/* ============= Footer ============= */

.footer {
  position: relative;
  background: var(--color-bg-darker);
  color: rgba(255, 255, 255, 0.78);
  padding: var(--sp-2xl) 0 var(--sp-lg);
  margin-top: var(--sp-2xl);
  font-size: var(--fs-sm);
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  inset: -50% -10% auto auto;
  width: 720px;
  height: 720px;
  background: radial-gradient(closest-side, var(--color-primary-glow), transparent 70%);
  pointer-events: none;
}
.footer .container { max-width: 1280px; position: relative; }
.footer a { color: rgba(255, 255, 255, 0.78); }
.footer a:hover { color: var(--color-primary); text-decoration-color: var(--color-primary); }

.footer-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-lg);
}
.footer-cols {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
}
.footer-col-title {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--color-white);
  text-decoration: none;
  margin-bottom: var(--sp-sm);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: var(--sp-xs); }
.footer-col li a { text-decoration: none; }

.footer-misc {
  grid-column: span 12;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--sp-md);
  margin-top: var(--sp-md);
}
.footer-meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
}
.footer-meta a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: var(--fs-xs);
}

.footer-block-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--color-white);
  margin: 0 0 var(--sp-sm);
  position: relative;
  padding-bottom: 8px;
}
.footer-block-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 32px; height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-pill);
}

.footer-offers, .footer-magazine { grid-column: span 6; }
.footer-offers ul, .footer-magazine ul { list-style: none; padding: 0; margin: 0; }
.footer-offers li, .footer-magazine li { margin-bottom: var(--sp-xs); }
.footer-offers a, .footer-magazine a { text-decoration: none; }

.footer-baseline {
  grid-column: span 12;
  padding: var(--sp-lg);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.footer-baseline h2 {
  font-size: var(--fs-h3);
  color: var(--color-white);
  margin: 0 0 var(--sp-xs);
}
.footer-baseline p { margin: 0; color: rgba(255, 255, 255, 0.78); line-height: var(--lh-base); }

.footer-lists {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-lg);
}
.footer-list ul { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: var(--sp-xs); }
.footer-list a { text-decoration: none; }

@media (max-width: 991px) {
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .footer-offers, .footer-magazine { grid-column: span 12; }
  .footer-lists { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .footer-cols { grid-template-columns: 1fr; }
  .footer { padding-top: var(--sp-xl); }
}

/* ============= Breadcrumb ============= */

.breadcrumb, .block-breadcrumb {
  padding: var(--sp-sm) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.breadcrumb ol, .block-breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.breadcrumb li:not(:last-child)::after,
.block-breadcrumb li:not(:last-child)::after {
  content: "/";
  padding-left: 8px;
  color: var(--color-text-soft);
}
.breadcrumb a, .block-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.breadcrumb a:hover, .block-breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb li:last-child, .block-breadcrumb li:last-child {
  color: var(--color-accent);
  font-weight: 600;
}