/* k-train.css — K-Train Trainer Resource Portal v3.1
   Hero from v4 (dark, 3-radial glow, gradient title).
   Everything else: dark body, tile grid, vivid type colors.   */

@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;500;600;700;800;900&display=swap');
@import url('styles/k1-tokens.css');

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-primary, 'Public Sans', sans-serif);
  background: var(--color-bg-training);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:           #141220;  /* warm plum-slate — NOT the cold navy of K-Learn */
  --surface:      #1e1a2e;
  --surface-hi:   #27233a;
  --surface-top:  #322d48;
  --border:       rgba(255,255,255,0.08);
  --border-md:    rgba(255,255,255,0.13);
  --border-hi:    rgba(255,255,255,0.20);

  /* K1 semantic aliases */
  --color-primary:      #2b7fff;
  --color-success:      #01c17b;
  --color-warning:      #ffc229;
  --color-error:        #ef4444;
  --color-info:         #06c2d9;
  --color-bg:           #141220;
  --color-surface-2:    #1e1a2e;
  --color-surface-3:    #27233a;
  --color-text:         #edf1f8;
  --color-text-muted:   #8b82a8;
  /* Training-specific surface — very slightly warm vs platform bg */
  --color-bg-training:  #161320;

  --t1: #f0f4fb;
  --t2: #c5d0e0;
  --t3: #8494a8;
  --t4: #4e5e72;

  --cyan:   #06c2d9;  --cyan-rgb:   6,194,217;
  --blue:   #2b7fff;  --blue-rgb:   43,127,255;
  --purple: #8b5cf6;  --purple-rgb: 139,92,246;

  --green:    #01c17b;  --green-rgb:    1,193,123;
  --amber:    #ffc229;  --amber-rgb:    255,194,41;
  --teal:     #0d9488;  --teal-rgb:     13,148,136;
  --coral:    #f26b4e;  --coral-rgb:    242,107,78;
  --violet:   #7c3aed;  --violet-rgb:   124,58,237;

  --nav-h: 72px;

  --r-sm: 4px; --r-md: 8px; --r-lg: 12px; --r-xl: 16px; --r-full: 9999px;

  --sh-sm:  0 2px 8px  rgba(0,0,0,.30);
  --sh-md:  0 8px 24px rgba(0,0,0,.45);
  --sh-lg:  0 16px 48px rgba(0,0,0,.55);
}

/* ══════════════════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════════════════ */
.kt-nav {
  height: var(--nav-h);
  background: rgba(30,26,46,.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hi);
  box-shadow: 0 2px 16px rgba(0,0,0,.40);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  position: sticky; top: 0; z-index: 200;
}
.kt-nav-brand         { display: flex; align-items: center; gap: 16px; }
.kt-nav-logo          { height: 44px; width: auto; }
.kt-nav-sep           { width: 1px; height: 36px; background: var(--border-md); }
.kt-nav-wordmark-wrap { display: flex; align-items: center; gap: 10px; }
.kt-nav-wordmark {
  font-size: 28px; font-weight: 900; letter-spacing: 6px;
  text-transform: uppercase; color: rgba(255,255,255,.85);
}
/* "TRAINING" environment badge — safety signal, always visible */
.kt-nav-training-badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px;
  background: rgba(255,194,41,.15);
  border: 1px solid rgba(255,194,41,.30);
  border-radius: var(--r-full);
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,194,41,.90);
  white-space: nowrap;
}
.kt-nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.kt-nav-links a {
  display: flex; align-items: center; height: 40px; padding: 0 16px;
  font-size: 15px; font-weight: 600; color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.kt-nav-links a:hover     { color: var(--color-text); }
.kt-nav-links a.is-active {
  color: var(--nav-ac, var(--color-primary));
  border-bottom-color: var(--nav-ac, var(--color-primary));
}

/* ══════════════════════════════════════════════════════════════
   HERO  (v4 — richer gradients, gradient title)
══════════════════════════════════════════════════════════════ */
.kt-hero {
  position: relative; overflow: hidden;
  padding: 88px 48px 48px;
  background: var(--color-bg-training);
}
.kt-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15%   0%,  rgba(6,194,217,.11)  0%, transparent 65%),
    radial-gradient(ellipse 600px 400px at 90%  80%,  rgba(43,127,255,.09) 0%, transparent 65%),
    radial-gradient(ellipse 500px 400px at 55%  45%,  rgba(139,92,246,.10) 0%, transparent 70%);
  pointer-events: none;
}
.kt-hero-inner   { position: relative; max-width: 740px; }
.kt-hero-kicker  {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px;
  padding: 4px 13px;
  background: rgba(6,194,217,.10); border: 1px solid rgba(6,194,217,.22);
  border-radius: var(--r-full);
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--cyan);
}
.kt-hero-kicker-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
.kt-hero-title {
  font-size: clamp(40px, 5.5vw, 60px); font-weight: 800;
  line-height: 1.06; letter-spacing: -1.5px; color: var(--t1); margin-bottom: 20px;
}
.kt-hero-title em {
  font-style: normal;
  background: linear-gradient(95deg, var(--cyan) 0%, var(--blue) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.kt-hero-sub { font-size: 17px; color: var(--t3); line-height: 1.7; max-width: 580px; text-wrap: pretty; }

/* ══════════════════════════════════════════════════════════════
   HOME PAGE
══════════════════════════════════════════════════════════════ */
.kt-home-wrap { padding: 32px 48px 80px; max-width: 1280px; margin: 0 auto; }
.kt-home-sh   {
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--t4); margin-bottom: 18px;
}

/* Product cards */
.kt-home-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 860px) { .kt-home-grid { grid-template-columns: 1fr; } }

.kt-pc {
  position: relative;
  border-radius: var(--r-xl);
  border: 2px solid transparent;
  background: var(--surface);
  display: flex; flex-direction: column; gap: 16px;
  padding: 36px 32px 32px;
  min-height: 300px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  color: var(--t1);
}
.kt-pc[data-product="k-video"]    { border-color: rgba(6,194,217,.50);  box-shadow: var(--sh-sm), 0 0 20px rgba(6,194,217,.13); }
.kt-pc[data-product="k-safety"]   { border-color: rgba(43,127,255,.50); box-shadow: var(--sh-sm), 0 0 20px rgba(43,127,255,.13); }
.kt-pc[data-product="k-dispatch"] { border-color: rgba(139,92,246,.50); box-shadow: var(--sh-sm), 0 0 20px rgba(139,92,246,.13); }

.kt-pc:hover { transform: translateY(-4px); }
.kt-pc[data-product="k-video"]:hover    { border-color: rgba(6,194,217,.85);   box-shadow: var(--sh-lg), 0 0 30px rgba(6,194,217,.22); }
.kt-pc[data-product="k-safety"]:hover   { border-color: rgba(43,127,255,.85);  box-shadow: var(--sh-lg), 0 0 30px rgba(43,127,255,.22); }
.kt-pc[data-product="k-dispatch"]:hover { border-color: rgba(139,92,246,.85);  box-shadow: var(--sh-lg), 0 0 30px rgba(139,92,246,.22); }

/* THE biggest thing on the home page */
.kt-pc-name {
  font-size: clamp(38px, 4vw, 50px);
  font-weight: 900; line-height: 1; letter-spacing: -1.5px;
  color: #fff; margin-bottom: 6px;
}
.kt-pc-tagline { font-size: 16px; color: var(--t3); line-height: 1.55; flex: 1; }
.kt-pc-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border);
  margin-top: auto;
}
.kt-pc-count { font-size: 13px; color: var(--t3); }
.kt-pc-cta   { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 700; }
.kt-pc-cta svg { width: 13px; height: 13px; }
.kt-pc[data-product="k-video"]    .kt-pc-cta { color: var(--cyan); }
.kt-pc[data-product="k-safety"]   .kt-pc-cta { color: var(--blue); }
.kt-pc[data-product="k-dispatch"] .kt-pc-cta { color: var(--purple); }

/* Recent list — one container, dividers between rows */
.kt-recent-list {
  background: var(--surface);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.kt-recent-item {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border-md);
  transition: background .12s;
}
.kt-recent-item:last-child { border-bottom: none; }
.kt-recent-item:hover { background: var(--surface-hi); }
.kt-recent-dot   { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.kt-recent-title { flex: 1; font-size: 14px; font-weight: 500; color: var(--t2); }
.kt-recent-meta  { font-size: 12px; color: var(--t4); white-space: nowrap; }

/* ══════════════════════════════════════════════════════════════
   PRODUCT PAGE HEADER
══════════════════════════════════════════════════════════════ */
.kt-ph {
  position: relative; overflow: hidden;
  padding: 64px 48px 52px;
  border-bottom: 1px solid var(--border);
}
.kt-ph[data-product="k-video"]    { background: linear-gradient(135deg, #0c3a4a 0%, #0e4f64 55%, #141220 100%); }
.kt-ph[data-product="k-safety"]   { background: linear-gradient(135deg, #0c2d6b 0%, #1040a0 55%, #141220 100%); }
.kt-ph[data-product="k-dispatch"] { background: linear-gradient(135deg, #2e1065 0%, #4c1d95 55%, #141220 100%); }

.kt-ph-inner { position: relative; max-width: 800px; }
.kt-ph-pill  {
  display: inline-flex; align-items: center; margin-bottom: 16px;
  padding: 4px 13px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.20);
  border-radius: var(--r-full);
  font-size: 11px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  color: rgba(255,255,255,.9);
}
.kt-ph-title {
  font-size: clamp(30px, 4vw, 44px); font-weight: 800;
  letter-spacing: -.6px; line-height: 1.1; color: #fff; margin-bottom: 12px;
}
.kt-ph-desc { font-size: 15px; color: rgba(255,255,255,.55); max-width: 500px; line-height: 1.7; }

/* ══════════════════════════════════════════════════════════════
   MARKETING VIDEO STRIP
══════════════════════════════════════════════════════════════ */
.kt-mktv {
  padding: 40px 48px;
  max-width: 1280px;
  margin: 0 auto;
  display: flex; justify-content: center;
}
.kt-mktv-player {
  display: block;
  width: 100%; max-width: 860px;
  height: auto;
  border-radius: var(--r-xl);
  border: 1px solid var(--border-md);
  box-shadow: 0 24px 64px rgba(0,0,0,.55), 0 0 0 1px rgba(var(--ph-rgb,43,127,255),.12);
}

/* ══════════════════════════════════════════════════════════════
   PRODUCT PAGE CONTENT
══════════════════════════════════════════════════════════════ */
.kt-content { padding: 48px 48px 80px; max-width: 1280px; margin: 0 auto; }

.kt-section-block           { margin-bottom: 56px; }
.kt-section-block:last-child { margin-bottom: 0; }

/* Section title — primary visual anchor on product pages */
.kt-section-title {
  font-size: 28px; font-weight: 800;
  color: var(--t1); letter-spacing: -.4px;
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 14px; margin-bottom: 20px;
  border-bottom: 1px solid var(--color-surface-3);
}
.kt-section-pill {
  font-size: 12px; font-weight: 700; letter-spacing: .4px;
  padding: 3px 11px; border-radius: var(--r-full); align-self: center;
  background: rgba(var(--ph-rgb, 43,127,255),.12);
  color:       var(--ph-color, var(--blue));
  border: 1px solid rgba(var(--ph-rgb, 43,127,255),.22);
  white-space: nowrap;
}

.kt-section-note { font-size: 14px; color: var(--t3); margin-top: -12px; margin-bottom: 20px; line-height: 1.55; }

/* ── Tile grid ───────────────────────────────────────────────── */
.kt-tile-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
@media (max-width: 1100px) { .kt-tile-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px)  { .kt-tile-grid { grid-template-columns: 1fr; } }

.kt-tile {
  background: linear-gradient(
    rgba(var(--ph-rgb, 43,127,255), 0.08),
    rgba(var(--ph-rgb, 43,127,255), 0.08)
  ), var(--surface);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background .14s, border-color .14s, box-shadow .14s, transform .14s;
}
.kt-tile:hover {
  background: linear-gradient(
    rgba(var(--ph-rgb, 43,127,255), 0.08),
    rgba(var(--ph-rgb, 43,127,255), 0.08)
  ), var(--color-surface-3);
  border-color: rgba(var(--ph-rgb, 43,127,255), 0.30);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.kt-tile-top  { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }

.kt-tile-icon {
  width: 44px; height: 44px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.kt-tile-icon svg { width: 21px; height: 21px; }

/* type icons — K1 semantic token colors */
.kt-tile-icon--deck     { background: rgba(6,194,217,.14);   color: var(--color-info); }
.kt-tile-icon--exercise { background: rgba(1,193,123,.13);   color: var(--color-success); }
.kt-tile-icon--eval     { background: rgba(255,194,41,.13);  color: var(--color-warning); }
.kt-tile-icon--guide    { background: rgba(1,193,123,.13);   color: var(--color-success); }
.kt-tile-icon--manual   { background: rgba(6,194,217,.14);   color: var(--color-info); }
.kt-tile-icon--video    { background: rgba(139,92,246,.14);  color: #a78bfa; }
.kt-tile-icon--exam     { background: rgba(239,68,68,.14);   color: var(--color-error); }

.kt-tile-badge {
  font-size: 10px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  padding: 3px 9px; border-radius: var(--r-full); align-self: flex-start; flex-shrink: 0;
}
/* type badges — K1 semantic token colors */
.kt-tile-badge--deck     { background: rgba(6,194,217,.12);   color: var(--color-info); }
.kt-tile-badge--exercise { background: rgba(1,193,123,.12);   color: var(--color-success); }
.kt-tile-badge--eval     { background: rgba(255,194,41,.12);  color: var(--color-warning); }
.kt-tile-badge--guide    { background: rgba(1,193,123,.12);   color: var(--color-success); }
.kt-tile-badge--manual   { background: rgba(6,194,217,.12);   color: var(--color-info); }
.kt-tile-badge--video    { background: rgba(139,92,246,.12);  color: #a78bfa; }
.kt-tile-badge--exam     { background: rgba(239,68,68,.12);   color: var(--color-error); }

.kt-tile-title  { font-size: 14px; font-weight: 600; color: var(--t1); line-height: 1.4; flex: 1; }
.kt-tile-date   { font-size: 11px; color: var(--t4); }
.kt-tile-footer { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }

/* ── Buttons ─────────────────────────────────────────────────── */
.kt-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: var(--h-md); padding: 0 16px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  transition: opacity .15s, box-shadow .15s, background .15s;
  white-space: nowrap; cursor: pointer;
}
.kt-btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.kt-btn:hover { opacity: .85; }

/* K1 primary — filled, used for exam "Open material" action */
.kt-btn--primary {
  background: var(--color-primary); color: #fff;
  border: 1px solid var(--color-primary);
}
.kt-btn--primary:hover { opacity: 1; box-shadow: 0 0 0 3px rgba(43,127,255,.25); }

/* K1 outlined — used for all download / watch actions */
.kt-btn--outlined {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.kt-btn--outlined:hover { opacity: 1; background: rgba(43,127,255,.10); }


/* ── Program accordion ───────────────────────────────────────── */
.kt-programs { display: flex; flex-direction: column; gap: 10px; }

.kt-accordion {
  background: linear-gradient(
    rgba(var(--ph-rgb, 43,127,255), 0.08),
    rgba(var(--ph-rgb, 43,127,255), 0.08)
  ), var(--surface);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg); overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.kt-accordion:has(.kt-accordion-trigger.is-open) {
  border-color: rgba(var(--ph-rgb, 43,127,255),.30);
  box-shadow: var(--sh-sm);
}

.kt-accordion-trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  background: linear-gradient(
    rgba(var(--ph-rgb, 43,127,255), 0.08),
    rgba(var(--ph-rgb, 43,127,255), 0.08)
  ), var(--surface);
  cursor: pointer; gap: 14px;
  transition: background .12s;
}
.kt-accordion-trigger:hover   { background: linear-gradient(rgba(var(--ph-rgb, 43,127,255), 0.14), rgba(var(--ph-rgb, 43,127,255), 0.14)), var(--surface-hi); }
.kt-accordion-trigger.is-open { background: linear-gradient(rgba(var(--ph-rgb, 43,127,255), 0.14), rgba(var(--ph-rgb, 43,127,255), 0.14)), var(--surface-hi); }

.kt-accordion-left { display: flex; align-items: center; gap: 13px; flex: 1; min-width: 0; }

.kt-accordion-num {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: rgba(var(--ph-rgb, 43,127,255),.10);
  border: 1px solid rgba(var(--ph-rgb, 43,127,255),.22);
  color: var(--ph-color, var(--blue));
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* program title — second-level hierarchy, prominent */
.kt-accordion-title { font-size: 17px; font-weight: 700; color: var(--t1); }

.kt-accordion-count {
  font-size: 11px; font-weight: 600; color: var(--t4);
  background: rgba(255,255,255,.06); padding: 2px 9px;
  border-radius: var(--r-full); flex-shrink: 0;
}
.kt-accordion-chevron {
  width: 18px; height: 18px; color: var(--t4); flex-shrink: 0;
  transition: transform .22s ease;
}
.kt-accordion-trigger.is-open .kt-accordion-chevron { transform: rotate(180deg); }

.kt-accordion-body {
  display: none; padding: 20px 22px 24px;
  border-top: 1px solid var(--border); background: rgba(0,0,0,.18);
}
.kt-accordion-body.is-open { display: block; }

/* ══════════════════════════════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════════════════════════════ */
.kt-about-wrap   { max-width: 900px; margin: 0 auto; padding: 72px 48px 80px; }
.kt-about-kicker { font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--cyan); margin-bottom: 12px; }
.kt-about-h1     { font-size: clamp(32px, 4vw, 46px); font-weight: 800; letter-spacing: -.6px; color: var(--t1); margin-bottom: 10px; }
.kt-about-lead   { font-size: 16px; color: var(--t3); line-height: 1.65; margin-bottom: 48px; }
.kt-about-blocks { display: flex; flex-direction: column; gap: 36px; }
.kt-about-section h2 { font-size: 18px; font-weight: 700; color: var(--t1); margin-bottom: 12px; }
.kt-about-section p  { font-size: 15px; color: var(--t2); line-height: 1.75; margin-bottom: 10px; }
.kt-about-section p:last-child { margin-bottom: 0; }
.kt-about-section ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.kt-about-section li { font-size: 15px; color: var(--t2); padding-left: 20px; position: relative; line-height: 1.6; }
.kt-about-section li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.kt-about-hr { height: 1px; background: var(--border-md); margin: 4px 0; }

/* About — type chip grid */
.kt-about-type-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  margin-top: 4px;
}
@media (max-width: 520px) { .kt-about-type-grid { grid-template-columns: 1fr; } }

.kt-about-type-chip {
  display: flex; align-items: flex-start; gap: 13px;
  padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border-md);
  border-radius: var(--r-md);
}
.kt-about-type-icon {
  width: 36px; height: 36px; border-radius: var(--r-sm); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.kt-about-type-icon svg { width: 18px; height: 18px; }
.kt-about-type-name { font-size: 13px; font-weight: 700; color: var(--t1); margin-bottom: 3px; }
.kt-about-type-desc { font-size: 12px; color: var(--t3); line-height: 1.45; }

/* About — numbered steps */
.kt-about-steps { display: flex; flex-direction: column; gap: 14px; margin-top: 4px; }
.kt-about-step  { display: flex; align-items: flex-start; gap: 14px; }
.kt-about-step-num {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: rgba(6,194,217,.10); border: 1px solid rgba(6,194,217,.22);
  color: var(--cyan); font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.kt-about-step-text { font-size: 15px; color: var(--t2); line-height: 1.65; }
.kt-about-step-text strong { color: var(--t1); font-weight: 600; }

/* ══════════════════════════════════════════════════════════════
   FOOTER + SHARED
══════════════════════════════════════════════════════════════ */
.kt-footer {
  padding: 24px 48px; border-top: 1px solid var(--border);
  background: var(--surface);
  display: flex; align-items: center; justify-content: space-between;
}
.kt-footer-copy  { font-size: 12px; color: var(--color-text-muted); }
.kt-footer-brand { font-size: 11px; font-weight: 900; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,.18); }

/* ── Language toggle — K1 segmented control ─────────────────── */
.kt-lang-toggle {
  display: flex; align-items: center; gap: 2px;
  background: var(--color-surface-3);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-full);
  padding: 3px;
  flex-shrink: 0;
}
.kt-lang-btn {
  height: var(--h-sm); padding: 0 14px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--color-text-muted); transition: background .15s, color .15s;
}
.kt-lang-btn:hover { color: var(--color-text); }
.kt-lang-btn.is-active { background: var(--color-primary); color: #fff; }

/* ── Program language tab strip ─────────────────────────────── */
.kt-prog-lang-strip {
  display: inline-flex; gap: 4px;
  background: rgba(var(--ph-rgb), .08);
  border-radius: 8px; padding: 4px;
  margin-bottom: 20px;
}
.kt-prog-lang-btn {
  display: inline-flex; align-items: center;
  border-radius: 6px; padding: 6px 16px;
  font-size: 13px; font-weight: 500;
  color: var(--t2); cursor: pointer;
  min-height: 36px; user-select: none;
}
.kt-prog-lang-btn:hover { color: var(--ph-color); }
.kt-prog-lang-btn.is-active { background: var(--ph-color); color: #fff; font-weight: 600; }

/* ── Bilingual resource sections ────────────────────────────── */
.kt-lang-divider { height: 1px; background: var(--border); margin: 22px 0; }

.kt-lang-section-header { display: flex; align-items: center; margin-bottom: 14px; }

.kt-lang-label {
  font-size: 10px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--t4);
  padding: 3px 10px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
}

.kt-empty {
  padding: 40px 24px; text-align: center;
  color: var(--t4); font-size: 14px;
  border: 1px dashed var(--border); border-radius: var(--r-lg);
}

/* ══════════════════════════════════════════════════════════════
   VIDEO LIBRARY
══════════════════════════════════════════════════════════════ */

.kt-vlib-section-block {
  margin-bottom: -80px;   /* absorb kt-content bottom padding */
  padding: 0 0 80px;
}

/* Accent-border trigger — functions as visual section break */
.kt-vlib-acc-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0 20px;
  border: none; border-top: 2px solid var(--ph-color, var(--blue));
  border-radius: 0; background: transparent;
  cursor: pointer; gap: 14px;
  transition: background .12s;
}
.kt-vlib-acc-trigger:hover   { background: rgba(var(--ph-rgb,43,127,255),.04); }
.kt-vlib-acc-trigger.is-open { background: transparent; }
.kt-vlib-acc-trigger .kt-section-title { margin-bottom: 0; padding-bottom: 0; border-bottom: none; pointer-events: none; }
.kt-vlib-acc-trigger .kt-accordion-chevron { color: var(--t4); flex-shrink: 0; }
.kt-vlib-acc-trigger.is-open .kt-accordion-chevron { transform: rotate(180deg); }

.kt-vlib-lang-toggle {
  display: flex; align-items: center; gap: 2px;
  background: rgba(var(--ph-rgb, 43,127,255), .08);
  border: 1px solid rgba(var(--ph-rgb, 43,127,255), .28);
  border-radius: var(--r-full); padding: 3px; flex-shrink: 0;
}
.kt-vlib-lang-btn {
  display: inline-flex; align-items: center;
  height: 28px; padding: 0 12px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--t3); transition: background .15s, color .15s; cursor: pointer;
  user-select: none;
}
.kt-vlib-lang-btn:hover { color: var(--ph-color, var(--blue)); }
.kt-vlib-lang-btn.is-active { background: var(--ph-color, var(--blue)); color: #fff; }

.kt-vlib-acc-body {
  padding: 20px 0 0;
  background: transparent;
}

/* Controls */
.kt-vlib-controls {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.kt-vlib-cats { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }

.kt-vlib-cat-btn {
  height: 28px; padding: 0 12px; border-radius: var(--r-full);
  font-size: 11px; font-weight: 600; letter-spacing: .3px;
  color: var(--t3); background: rgba(255,255,255,.05);
  border: 1px solid var(--border); cursor: pointer;
  transition: background .14s, color .14s, border-color .14s;
}
.kt-vlib-cat-btn:hover { color: var(--t1); background: rgba(255,255,255,.09); }
.kt-vlib-cat-btn.is-active {
  background: rgba(var(--ph-rgb,43,127,255),.14);
  border-color: rgba(var(--ph-rgb,43,127,255),.30);
  color: var(--ph-color,var(--blue));
}

.kt-vlib-search {
  height: 28px; padding: 0 12px;
  background: var(--color-bg-training); border: 1px solid var(--border-md);
  border-radius: var(--radius-sm); color: var(--color-text);
  font-size: 12px; font-family: inherit;
  width: 200px; min-width: 120px;
  outline: none; transition: border-color .15s;
}
.kt-vlib-search:focus        { border-color: var(--ph-color,var(--blue)); }
.kt-vlib-search::placeholder { color: var(--t4); }

/* Grid */
.kt-vlib-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
@media (max-width: 900px) { .kt-vlib-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .kt-vlib-grid { grid-template-columns: 1fr; } }

/* Card */
.kt-vlib-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px 14px 12px;
  background: rgba(var(--ph-rgb, 43,127,255), 0.06);
  border-width: 1px 1px 1px 3px; border-style: solid;
  border-color: var(--border) var(--border) var(--border) transparent;
  border-radius: var(--r-md);
  transition: background .12s;
}
.kt-vlib-card:hover      { background: rgba(var(--ph-rgb, 43,127,255), 0.12); }
.kt-vlib-card.is-watched { opacity: .5; }

.kt-vlib-card-top { display: flex; align-items: flex-start; gap: 10px; }
.kt-vlib-num-wrap { flex-shrink: 0; padding-top: 2px; }
.kt-vlib-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,.06); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: var(--t3);
}
.kt-vlib-num--new {
  width: auto; height: auto; padding: 4px 7px;
  border-radius: var(--r-full);
  background: rgba(124,58,237,.15); border-color: rgba(124,58,237,.28);
  color: #a78bfa; font-size: 9px; letter-spacing: 1px; text-transform: uppercase;
}

.kt-vlib-card-titles { flex: 1; min-width: 0; }
.kt-vlib-card-title {
  font-size: 15px; font-weight: 600; color: var(--t1); line-height: 1.35;
}
.kt-vlib-card-desc {
  font-size: 13px; color: var(--t3); line-height: 1.3; margin-top: 3px;
}

.kt-vlib-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border);
}
.kt-vlib-dur {
  font-size: 12px; color: var(--t4); font-variant-numeric: tabular-nums;
}
.kt-vlib-btns { display: flex; align-items: center; gap: 6px; }

.kt-vlib-watch-btn {
  display: inline-flex; align-items: center; gap: 5px;
  height: 28px; padding: 0 12px; border-radius: var(--r-sm);
  font-size: 12px; font-weight: 700; letter-spacing: .4px; white-space: nowrap;
  background: rgba(var(--ph-rgb,43,127,255),.13);
  color: var(--ph-color,var(--blue));
  border: 1px solid rgba(var(--ph-rgb,43,127,255),.28);
  transition: opacity .15s, background .15s; cursor: pointer;
}
.kt-vlib-watch-btn:hover { opacity: .78; }
.kt-vlib-watch-btn svg { width: 8px; height: 9px; flex-shrink: 0; }

.kt-vlib-watched-badge {
  font-size: 12px; font-weight: 700; color: var(--green);
}