/* ITVedas site navigation. Shared by every page; markup lives in partials/site-nav.html.
   Every selector is scoped under .site-header so older page styles (for example a
   bare `nav { ... }` rule) cannot change how the menu looks. */

.site-header {
  --sn-ink: #182238;
  --sn-muted: #5B6B84;
  --sn-navy: #0B2750;
  --sn-orange: #FF7A00;
  --sn-orange-dark: #B35500;
  --sn-line: #DCE3EF;
  --sn-soft: #F3F6FB;
  --sn-h: 64px;
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--sn-h);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--sn-line);
  font-family: 'Lexend', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 15px; line-height: 1.4; color: var(--sn-ink);
  text-align: left; letter-spacing: normal; text-transform: none;
  box-sizing: border-box;
}
/* Pages whose old bar sat in the normal flow (or had none) get a spacer, so content
   starts below the fixed bar exactly as before. The bar itself is always fixed and
   full width, whatever padding the page puts on <body>. */
.sn-spacer { display: none; }
.site-header[data-mode="sticky"] + .sn-spacer { display: block; height: 64px; }
.site-header *, .site-header *::before, .site-header *::after { box-sizing: border-box; }
@supports (backdrop-filter: blur(1px)) { .site-header { background: rgba(255, 255, 255, 0.88); backdrop-filter: blur(16px); } }

/* Reset anything a page's own `nav`, `ul`, `a` or `button` rules might add. */
.site-header .sn-nav {
  all: unset; box-sizing: border-box;
  display: flex; align-items: center; gap: 1rem;
  max-width: 1240px; height: 100%; margin: 0 auto; padding: 0 1.25rem;
}
.site-header ul { list-style: none; margin: 0; padding: 0; }
.site-header li { margin: 0; padding: 0; }
.site-header li::before, .site-header li::marker { content: none; }
.site-header a { text-decoration: none; color: inherit; background: none; border: 0; }
.site-header button {
  font: inherit; color: inherit; background: none; border: 0; margin: 0; padding: 0;
  cursor: pointer; box-shadow: none; text-transform: none; letter-spacing: normal; min-height: 0; width: auto;
}
.site-header svg { display: inline-block; }
.site-header :focus-visible { outline: 2px solid var(--sn-orange); outline-offset: 2px; border-radius: 6px; }

.site-header .sn-skip {
  position: absolute; left: 1rem; top: -100px; z-index: 2;
  background: var(--sn-navy); color: #fff; padding: 0.5rem 0.9rem; border-radius: 6px;
}
.site-header .sn-skip:focus { top: 0.6rem; }
.site-header .sn-vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Logo */
.site-header .sn-logo { display: inline-flex; align-items: center; gap: 0.4rem; flex: none; font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; color: var(--sn-ink); }
.site-header .sn-mark { width: 1.15em; height: 1.15em; }
.site-header .sn-word span { color: #FF6B35; }

/* Desktop menu */
.site-header .sn-menu { display: flex; align-items: center; gap: 1rem; flex: 1; min-width: 0; }
.site-header .sn-tops { display: flex; align-items: center; gap: 0.1rem; margin: 0 auto; }
.site-header .sn-top { position: relative; }
.site-header .sn-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.5rem 0.75rem; border-radius: 8px; font-size: 0.93rem; font-weight: 500; color: #3A4760;
}
.site-header .sn-btn:hover, .site-header .sn-btn[aria-expanded="true"] { background: var(--sn-soft); color: var(--sn-ink); }
.site-header .sn-top.is-current > .sn-btn { color: var(--sn-navy); box-shadow: inset 0 -2px 0 var(--sn-orange); border-radius: 8px 8px 0 0; }
.site-header .sn-caret { width: 12px; height: 12px; transition: transform 0.15s; }
.site-header .sn-btn[aria-expanded="true"] .sn-caret { transform: rotate(180deg); }

.site-header .sn-panel {
  display: none; position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  width: 340px; padding: 0.6rem; background: #fff; border: 1px solid var(--sn-line); border-radius: 12px;
  box-shadow: 0 18px 40px rgba(11, 39, 80, 0.14);
}
.site-header .sn-btn[aria-expanded="true"] + .sn-panel { display: block; }
.site-header .sn-panel.sn-wide { width: min(900px, calc(100vw - 2rem)); left: 0; transform: none; padding: 1rem; }
.site-header .sn-top:first-child .sn-panel.sn-wide { left: -1rem; }

.site-header .sn-item, .site-header .sn-start { display: grid; gap: 0.1rem; padding: 0.55rem 0.7rem; border-radius: 8px; }
.site-header .sn-item:hover, .site-header .sn-start:hover { background: var(--sn-soft); }
.site-header .sn-item[aria-current="page"] { background: #FFF4EA; }
.site-header .sn-t { font-weight: 600; font-size: 0.94rem; color: var(--sn-ink); }
.site-header .sn-d { font-family: 'Inter', system-ui, sans-serif; font-weight: 400; font-size: 0.82rem; color: var(--sn-muted); line-height: 1.35; }
.site-header .sn-item:hover .sn-t, .site-header .sn-start:hover .sn-t { color: var(--sn-orange-dark); }

.site-header .sn-panel-head { margin-bottom: 0.6rem; padding-bottom: 0.6rem; border-bottom: 1px solid var(--sn-line); }
.site-header .sn-start { background: #FFF4EA; }
.site-header .sn-start .sn-t { color: var(--sn-navy); }
.site-header .sn-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.4rem 0.8rem; }
.site-header .sn-gt { margin: 0.2rem 0.7rem 0.3rem; font-size: 0.8rem; font-weight: 600; color: var(--sn-navy); }

/* Right side */
.site-header .sn-actions { display: flex; align-items: center; gap: 0.6rem; flex: none; }
.site-header .sn-search-btn {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.45rem 0.8rem;
  border: 1px solid var(--sn-line); border-radius: 999px; font-size: 0.88rem; color: #3A4760; background: #fff;
}
.site-header .sn-search-btn:hover { border-color: #B8C4D8; color: var(--sn-ink); }
.site-header .sn-search-btn svg { width: 16px; height: 16px; }
.site-header .sn-cta {
  display: inline-flex; align-items: center; padding: 0.55rem 1rem; border-radius: 8px;
  background: var(--sn-orange); color: #fff; font-weight: 600; font-size: 0.9rem;
}
.site-header .sn-cta:hover { background: #E06900; color: #fff; }

/* Search panel */
.site-header .sn-search {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  width: min(620px, calc(100vw - 2rem)); background: #fff; border: 1px solid var(--sn-line);
  border-radius: 12px; box-shadow: 0 18px 40px rgba(11, 39, 80, 0.16); padding: 0.75rem;
}
.site-header .sn-search[hidden] { display: none; }
.site-header .sn-search-form { display: flex; gap: 0.5rem; }
.site-header .sn-search-form input {
  flex: 1; min-width: 0; font: inherit; font-family: 'Inter', system-ui, sans-serif; font-size: 1rem;
  padding: 0.65rem 0.8rem; border: 1px solid var(--sn-line); border-radius: 8px; background: var(--sn-soft); color: var(--sn-ink);
  margin: 0; width: auto; box-shadow: none; height: auto;
}
.site-header .sn-search-close { padding: 0 0.8rem; border-radius: 8px; color: var(--sn-muted); font-size: 0.88rem; }
.site-header .sn-search-close:hover { background: var(--sn-soft); color: var(--sn-ink); }
.site-header .sn-results { margin-top: 0.4rem; max-height: min(60vh, 440px); overflow-y: auto; }
.site-header .sn-results:empty { display: none; }
.site-header .sn-results a { display: grid; gap: 0.1rem; padding: 0.55rem 0.7rem; border-radius: 8px; }
.site-header .sn-results a:hover, .site-header .sn-results a.is-active { background: var(--sn-soft); }
.site-header .sn-results .sn-empty { padding: 0.7rem; color: var(--sn-muted); font-size: 0.9rem; }

/* Burger (small screens) */
.site-header .sn-burger { display: none; align-items: center; gap: 0.5rem; margin-left: auto; padding: 0.5rem 0.75rem; border-radius: 8px; font-weight: 600; font-size: 0.92rem; }
.site-header .sn-burger:hover { background: var(--sn-soft); }
.site-header .sn-burger-lines, .site-header .sn-burger-lines::before, .site-header .sn-burger-lines::after {
  display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; content: '';
}
.site-header .sn-burger-lines::before { position: absolute; top: -6px; }
.site-header .sn-burger-lines::after { position: absolute; top: 6px; }
.site-header.is-open .sn-burger-lines { background: transparent; }
.site-header.is-open .sn-burger-lines::before { top: 0; transform: rotate(45deg); }
.site-header.is-open .sn-burger-lines::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 1080px) {
  /* backdrop-filter would trap the fixed full-screen menu inside the 64px bar */
  .site-header { backdrop-filter: none; background: #fff; }
  .site-header .sn-burger { display: inline-flex; }
  .site-header .sn-menu {
    display: none; position: fixed; top: var(--sn-h); left: 0; right: 0; bottom: 0;
    flex-direction: column; align-items: stretch; gap: 0; overflow-y: auto;
    background: #fff; border-top: 1px solid var(--sn-line); padding: 0.5rem 1rem 2rem;
  }
  .site-header.is-open .sn-menu { display: flex; }
  .site-header .sn-tops { flex-direction: column; align-items: stretch; margin: 0; gap: 0; }
  .site-header .sn-top { border-bottom: 1px solid var(--sn-line); }
  .site-header .sn-btn { width: 100%; justify-content: space-between; padding: 0.95rem 0.25rem; font-size: 1.02rem; border-radius: 0; }
  .site-header .sn-btn:hover, .site-header .sn-btn[aria-expanded="true"] { background: none; }
  .site-header .sn-top.is-current > .sn-btn { box-shadow: none; }
  .site-header .sn-top.is-current > .sn-btn::after { content: 'You are here'; margin-left: auto; margin-right: 0.5rem; font-size: 0.75rem; font-weight: 500; color: var(--sn-orange-dark); }
  .site-header .sn-panel, .site-header .sn-panel.sn-wide {
    position: static; transform: none; width: auto; box-shadow: none; border: 0; border-radius: 0; padding: 0 0 0.75rem;
  }
  .site-header .sn-grid { grid-template-columns: 1fr; }
  .site-header .sn-actions { flex-direction: column; align-items: stretch; margin-top: 1rem; gap: 0.6rem; }
  .site-header .sn-search-btn, .site-header .sn-cta { justify-content: center; padding: 0.8rem 1rem; font-size: 1rem; border-radius: 8px; }
  .site-header .sn-search { position: fixed; top: calc(var(--sn-h) + 0.5rem); }
}
@media (min-width: 1081px) and (max-width: 1200px) {
  .site-header .sn-search-btn span { display: none; }
  .site-header .sn-btn { padding: 0.5rem 0.55rem; }
}
@media (prefers-reduced-motion: reduce) { .site-header .sn-caret { transition: none; } }
@media print { .site-header { display: none; } }
