/* ==========================================================================
   Soft Skill Zone — Base: reset, typography, theme surface, utilities
   Loads AFTER Bootstrap so our tokens win where they overlap.
   ========================================================================== */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--navbar-h) + 16px);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  overflow-x: hidden;
  transition: background-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}

/* Ambient brand mesh behind every page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: var(--grad-mesh);
  pointer-events: none;
  z-index: -1;
  transition: opacity var(--dur-slow) var(--ease-out);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
  text-wrap: balance;
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
h6 { font-size: var(--fs-base); font-weight: var(--fw-semibold); letter-spacing: var(--ls-snug); }

p  { color: var(--text-secondary); text-wrap: pretty; }

a {
  color: var(--brand);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--brand-hover); }

small { font-size: var(--fs-sm); }
strong, b { font-weight: var(--fw-semibold); color: var(--text-primary); }
code, kbd, pre { font-family: var(--font-mono); font-size: 0.92em; }

ul, ol { padding-left: 1.25rem; }
img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
hr { border: 0; border-top: 1px solid var(--border-subtle); opacity: 1; margin: var(--sp-6) 0; }

/* The hidden attribute must always win — component display rules (e.g.
   .btn-ssz { display:inline-flex }) would otherwise override the UA default. */
[hidden] { display: none !important; }

/* ---------- Focus (accessible, not ugly) ---------- */
:focus { outline: none; }
/* Neeche wala niyam brand ke rang wale hisson par bekaar tha: indigo ka
   outline indigo background par 1.1:1 — yaani keyboard se chalne wale ko
   sabse bade button par kuch dikhta hi nahi tha. */
.cta-band :focus-visible,
.course-hero :focus-visible,
.course-card__top :focus-visible,
.live-card :focus-visible,
.chat-head :focus-visible {
  outline-color: #fff !important;
  box-shadow: 0 0 0 4px rgba(2, 6, 23, .45);
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* ---------- Selection ---------- */
::selection { background: var(--brand-solid); color: var(--brand-contrast); }

/* ---------- Scrollbar ---------- */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--r-pill);
  border: 3px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); background-clip: content-box; }

/* ---------- Text helpers ---------- */
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.text-primary-c   { color: var(--text-primary) !important; }
.text-secondary-c { color: var(--text-secondary) !important; }
.text-muted-c     { color: var(--text-muted) !important; }
.text-brand-c     { color: var(--brand) !important; }
.text-balance     { text-wrap: balance; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--brand);
}
.line-clamp-1, .line-clamp-2, .line-clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-1 { -webkit-line-clamp: 1; }
.line-clamp-2 { -webkit-line-clamp: 2; }
.line-clamp-3 { -webkit-line-clamp: 3; }

/* ---------- Surface helpers ---------- */
.bg-surface   { background: var(--bg-surface); }
.bg-surface-2 { background: var(--bg-surface-2); }
.border-subtle{ border: 1px solid var(--border-subtle); }
.radius-md { border-radius: var(--r-md); }
.radius-lg { border-radius: var(--r-lg); }
.radius-xl { border-radius: var(--r-xl); }
.shadow-soft { box-shadow: var(--shadow-md); }

/* ---------- Accessibility ---------- */
.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;
}
.skip-link {
  position: absolute;
  top: -100px; left: var(--sp-4);
  z-index: var(--z-loader);
  padding: var(--sp-3) var(--sp-5);
  background: var(--brand-solid);
  color: var(--brand-contrast);
  border-radius: var(--r-sm);
  font-weight: var(--fw-semibold);
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--sp-4); color: var(--brand-contrast); }

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Print ---------- */
@media print {
  .no-print, .navbar, .footer, .ssz-toast-stack, .theme-toggle { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  body::before { display: none; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; }
  .print-block { display: block !important; }
  @page { margin: 14mm; }
}

/* ---------- Bootstrap bridge: map BS variables onto our tokens ---------- */
:root {
  --bs-body-bg: var(--bg-body);
  --bs-body-color: var(--text-primary);
  --bs-primary: var(--brand);
  --bs-border-color: var(--border-default);
  --bs-link-color: var(--brand);
  --bs-link-hover-color: var(--brand-hover);
  --bs-font-sans-serif: var(--font-sans);
  --bs-border-radius: var(--r-md);
}
.container, .container-fluid, .container-lg, .container-xl {
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Prose blocks — the global `* { margin: 0 }` reset means multi-paragraph
   text needs its rhythm restored explicitly. */
.prose > p { margin-bottom: 1rem; }
.prose > p:last-child { margin-bottom: 0; }


/* --------------------------------------------------------------------------
   Links inside running text must be distinguishable without colour alone
   (WCAG 1.4.1). Buttons, cards and nav links opt out — they already have a
   shape of their own.
   -------------------------------------------------------------------------- */
.prose a,
.legal p a,
.auth-alt a,
.form-check a,
.form-check span a,
label a,
.field__hint a,
p:not([class]) a:not(.btn-ssz) {
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
.prose a:hover,
.legal p a:hover,
.auth-alt a:hover,
.form-check a:hover,
label a:hover,
p:not([class]) a:not(.btn-ssz):hover { text-decoration-thickness: 2px; }

/* Screen-reader-only text (table action columns, icon-only controls). */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* --------------------------------------------------------------------------
   Performance — sections below the fold are skipped during the first paint
   and rendered as they approach the viewport. contain-intrinsic-size keeps
   the scrollbar honest so the page does not jump while scrolling.
   -------------------------------------------------------------------------- */
.section,
.section-sm,
.section-alt,
.dash-section {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}
/* The first screen must never be deferred. */
.hero,
main > .section:first-of-type,
.page-hero { content-visibility: visible; }

/* Printing needs every deferred section laid out. */
@media print {
  .section, .section-sm, .section-alt, .dash-section { content-visibility: visible; }
}