/* ============================================================================
   Tryoutedu — Public site design system
   A restrained, product-led EdTech aesthetic. No gradients everywhere, no
   glassmorphism, no decorative blobs. Clarity over decoration.
   ============================================================================ */

/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
    --tx-primary:    #2563eb;
    --tx-primary-d:  #1d4ed8;
    --tx-primary-l:  #eff6ff;
    --tx-indigo:     #6366f1;
    --tx-indigo-l:   #eef2ff;

    --tx-ink:        #0f172a;
    --tx-ink-2:      #334155;
    --tx-muted:      #64748b;
    --tx-muted-2:    #94a3b8;

    --tx-border:     #e2e8f0;
    --tx-border-2:   #cbd5e1;

    --tx-bg:         #ffffff;
    --tx-bg-2:       #f8fafc;
    --tx-bg-3:       #f1f5f9;
    --tx-surface:    #ffffff;
    --tx-surface-2:  #f8fafc;
    --tx-line:       #e2e8f0;

    --tx-accent:     #06b6d4;
    --tx-warn:       #f59e0b;
    --tx-success:    #10b981;
    --tx-danger:     #ef4444;

    --tx-r-xs: 6px;
    --tx-r-sm: 8px;
    --tx-r:    12px;
    --tx-r-lg: 16px;

    --tx-container: 1240px;
    --tx-nav-h: 68px;

    --tx-shadow-xs: 0 1px 2px rgba(15, 23, 42, .05);
    --tx-shadow-sm: 0 1px 3px rgba(15, 23, 42, .07), 0 6px 16px -10px rgba(15, 23, 42, .12);
    --tx-shadow:    0 2px 6px rgba(15, 23, 42, .06), 0 18px 40px -20px rgba(15, 23, 42, .22);

    --tx-grad: linear-gradient(135deg, #2563eb 0%, #6366f1 100%);
    --tx-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

body.tx-body {
    margin: 0;
    font-family: var(--tx-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--tx-ink);
    background: var(--tx-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.tx-body img { max-width: 100%; display: block; }
.tx-body :where(a) { color: inherit; text-decoration: none; }
.tx-body button { font-family: inherit; }

.tx-body h1, .tx-body h2, .tx-body h3, .tx-body h4 {
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.18;
    color: var(--tx-ink);
}
.tx-body p { margin: 0; }
.tx-body ul { margin: 0; padding: 0; list-style: none; }

.tx-body :focus-visible {
    outline: 2px solid var(--tx-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */
.tx-container {
    width: 100%;
    max-width: var(--tx-container);
    margin: 0 auto;
    padding: 0 24px;
}

.tx-section { padding: 104px 0; }
.tx-section--tight { padding: 72px 0; }
.tx-section--soft { background: var(--tx-bg-2); border-top: 1px solid var(--tx-border); border-bottom: 1px solid var(--tx-border); }

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

/* ── Typography helpers ─────────────────────────────────────────────────── */
.tx-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
    color: var(--tx-primary);
}
.tx-eyebrow::before {
    content: ''; width: 18px; height: 2px; background: var(--tx-primary); border-radius: 2px;
}
.tx-eyebrow--center::before { display: none; }

.tx-h1 { font-size: clamp(2.15rem, 4.2vw, 3.35rem); }
.tx-h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
.tx-h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
.tx-lead { font-size: 1.0625rem; color: var(--tx-muted); line-height: 1.7; }
.tx-highlight { color: var(--tx-primary); }

.tx-head { max-width: 660px; margin-bottom: 52px; }
.tx-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.tx-head--center .tx-eyebrow { justify-content: center; }
.tx-head .tx-h2 { margin: 14px 0 14px; }
.tx-head .tx-lead { margin: 0; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.tx-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 20px;
    font-size: 14.5px; font-weight: 600; line-height: 1;
    border: 1px solid transparent; border-radius: var(--tx-r);
    cursor: pointer; white-space: nowrap;
    transition: background-color .16s ease, border-color .16s ease, color .16s ease,
                box-shadow .16s ease, transform .16s ease;
}
.tx-btn svg { flex-shrink: 0; }

.tx-btn--primary { background: var(--tx-primary); color: #fff; box-shadow: 0 1px 2px rgba(37,99,235,.28); }
.tx-btn--primary:hover { background: var(--tx-primary-d); box-shadow: 0 4px 14px -4px rgba(37,99,235,.5); }
.tx-btn--primary:active { transform: translateY(1px); }

.tx-btn--ghost { background: transparent; color: var(--tx-ink-2); }
.tx-btn--ghost:hover { background: var(--tx-bg-3); color: var(--tx-ink); }

.tx-btn--outline { background: var(--tx-surface); color: var(--tx-ink); border-color: var(--tx-border-2); }
.tx-btn--outline:hover { border-color: var(--tx-primary); color: var(--tx-primary); background: var(--tx-primary-l); }

.tx-btn--lg { padding: 15px 26px; font-size: 15.5px; }
.tx-btn--sm { padding: 9px 15px; font-size: 13.5px; }
.tx-btn--block { width: 100%; }

.tx-btn--link { padding: 0; background: none; color: var(--tx-primary); font-weight: 600; }
.tx-btn--link:hover { color: var(--tx-primary-d); }

/* Ensure button text colors always win over generic anchor inheritance. */
.tx-body a.tx-btn--primary,
.tx-body button.tx-btn--primary { color: #fff; }
.tx-body a.tx-btn--white,
.tx-body button.tx-btn--white { color: var(--tx-primary); }
.tx-body a.tx-btn--onDark,
.tx-body button.tx-btn--onDark { color: #fff; }
.tx-body a.tx-btn--outline { color: var(--tx-ink); }
.tx-body a.tx-btn--ghost { color: var(--tx-ink-2); }

/* ── Navbar ─────────────────────────────────────────────────────────────── */
.tx-nav {
    position: sticky; top: 0; z-index: 60;
    background: rgba(255,255,255,0);
    border-bottom: 1px solid transparent;
    transition: background-color .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.tx-nav.is-scrolled {
    background: var(--tx-surface);
    border-bottom-color: var(--tx-border);
    box-shadow: 0 1px 0 rgba(15,23,42,.02);
}
.tx-nav__inner {
    max-width: var(--tx-container); margin: 0 auto; padding: 0 24px;
    height: var(--tx-nav-h);
    display: flex; align-items: center; gap: 28px;
}
.tx-nav__brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -.02em; }
.tx-nav__brand img { height: 32px; width: auto; object-fit: contain; }
.tx-brand-mark {
    width: 34px; height: 34px; border-radius: 9px;
    background: var(--tx-grad); color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px -4px rgba(37,99,235,.55);
}
.tx-nav__links { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.tx-nav__link {
    padding: 8px 13px; border-radius: var(--tx-r-sm);
    font-size: 14.5px; font-weight: 500; color: var(--tx-muted);
    transition: color .15s ease, background-color .15s ease;
}
.tx-nav__link:hover { color: var(--tx-ink); background: var(--tx-bg-3); }
.tx-nav__link.is-active { color: var(--tx-ink); font-weight: 600; }
.tx-nav__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.tx-nav__burger {
    display: none; margin-left: auto;
    width: 42px; height: 42px; border-radius: var(--tx-r-sm);
    background: transparent; border: 1px solid var(--tx-border);
    cursor: pointer; padding: 0;
    flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.tx-nav__burger span { width: 18px; height: 2px; background: var(--tx-ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.tx-nav__burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.tx-nav__burger.is-open span:nth-child(2) { opacity: 0; }
.tx-nav__burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile drawer */
.tx-drawer {
    position: fixed; inset: var(--tx-nav-h) 0 0; z-index: 55;
    background: var(--tx-surface); padding: 20px 24px 40px;
    transform: translateX(100%); transition: transform .26s cubic-bezier(.4,0,.2,1);
    overflow-y: auto;
}
.tx-drawer.is-open { transform: translateX(0); }
.tx-drawer__link {
    display: flex; align-items: center; justify-content: space-between;
    padding: 15px 4px; font-size: 16px; font-weight: 600; color: var(--tx-ink);
    border-bottom: 1px solid var(--tx-border);
}
.tx-drawer__link svg { color: var(--tx-muted-2); }
.tx-drawer__actions { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.tx-hero { position: relative; padding: 56px 0 84px; overflow: hidden; }
.tx-hero::before {
    content: ''; position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(760px 340px at 12% -8%, rgba(37,99,235,.07), transparent 62%),
        radial-gradient(680px 320px at 92% 4%, rgba(99,102,241,.06), transparent 60%);
    pointer-events: none;
}
.tx-hero__grid {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.tx-hero__grid > .tx-preview { padding: 22px 22px 0 26px; }
.tx-hero__badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 13px 6px 10px; margin-bottom: 22px;
    background: var(--tx-surface); border: 1px solid var(--tx-border);
    border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--tx-ink-2);
    box-shadow: var(--tx-shadow-xs);
}
.tx-hero__badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--tx-success); box-shadow: 0 0 0 3px rgba(16,185,129,.16); }
.tx-hero__title { margin-bottom: 20px; }
.tx-hero__sub { font-size: 1.0625rem; color: var(--tx-muted); line-height: 1.72; max-width: 540px; margin-bottom: 30px; }
.tx-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.tx-hero__note { font-size: 13px; color: var(--tx-muted-2); display: flex; align-items: center; gap: 7px; }
.tx-hero__note svg { color: var(--tx-success); }

/* Product preview */
.tx-preview { position: relative; }
.tx-preview__frame {
    background: var(--tx-surface); border: 1px solid var(--tx-border);
    border-radius: var(--tx-r-lg); overflow: hidden;
    box-shadow: var(--tx-shadow);
}.tx-preview__bar {
    display: flex; align-items: center; gap: 8px;
    padding: 11px 14px; border-bottom: 1px solid var(--tx-border); background: var(--tx-bg-2);
}
.tx-preview__dots { display: flex; gap: 5px; }
.tx-preview__dots i { width: 9px; height: 9px; border-radius: 50%; background: #e2e8f0; }
.tx-preview__dots i:nth-child(1) { background: #fda4af; }
.tx-preview__dots i:nth-child(2) { background: #fcd34d; }
.tx-preview__dots i:nth-child(3) { background: #86efac; }
.tx-preview__url { font-size: 11.5px; color: var(--tx-muted-2); margin-left: 6px; }
.tx-preview__body { padding: 18px 18px 34px; }

.tx-mock__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.tx-mock__exam { font-size: 13.5px; font-weight: 700; color: var(--tx-ink); }
.tx-mock__sub { font-size: 11.5px; color: var(--tx-muted-2); margin-top: 2px; }
.tx-mock__timer {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 10px; border-radius: var(--tx-r-sm);
    background: #fef2f2; color: #dc2626; font-size: 12.5px; font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.tx-mock__progress { height: 6px; background: var(--tx-bg-3); border-radius: 99px; overflow: hidden; margin-bottom: 18px; }
.tx-mock__progress i { display: block; height: 100%; width: 60%; background: var(--tx-primary); border-radius: 99px; }
.tx-mock__q { font-size: 13.5px; line-height: 1.55; color: var(--tx-ink-2); margin-bottom: 14px; }
.tx-mock__opts { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.tx-mock__opt {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border: 1px solid var(--tx-border); border-radius: var(--tx-r-sm);
    font-size: 13px; color: var(--tx-ink-2); background: var(--tx-surface);
}
.tx-mock__opt b {
    width: 22px; height: 22px; border-radius: 6px; flex-shrink: 0;
    background: var(--tx-bg-3); color: var(--tx-muted);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700;
}
.tx-mock__opt.is-selected { border-color: var(--tx-primary); background: var(--tx-primary-l); color: var(--tx-ink); }
.tx-mock__opt.is-selected b { background: var(--tx-primary); color: #fff; }
.tx-mock__nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tx-mock__btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 14px; border-radius: var(--tx-r-sm);
    font-size: 12.5px; font-weight: 600; border: 1px solid var(--tx-border-2);
    background: var(--tx-surface); color: var(--tx-ink-2);
}
.tx-mock__btn--primary { background: var(--tx-primary); border-color: var(--tx-primary); color: #fff; }

.tx-preview__float {
    position: absolute; background: var(--tx-surface); border: 1px solid var(--tx-border);
    border-radius: var(--tx-r); padding: 11px 14px;
    box-shadow: var(--tx-shadow-sm);
    display: flex; align-items: center; gap: 10px;
}
.tx-preview__float--score { right: -16px; bottom: -20px; }
.tx-preview__float--badge { left: -20px; top: -18px; }
.tx-preview__float-ic {
    width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
}
.tx-preview__float-val { font-size: 15px; font-weight: 800; line-height: 1.1; }
.tx-preview__float-lbl { font-size: 11px; color: var(--tx-muted); }

/* ── Value strip ────────────────────────────────────────────────────────── */
.tx-strip { border-top: 1px solid var(--tx-border); border-bottom: 1px solid var(--tx-border); background: var(--tx-bg-2); }
.tx-strip__inner {
    display: flex; align-items: stretch; justify-content: space-between; flex-wrap: wrap;
}
.tx-strip__item {
    flex: 1 1 0; min-width: 150px;
    display: flex; align-items: center; gap: 10px;
    padding: 20px 8px; font-size: 13.5px; font-weight: 600; color: var(--tx-ink-2);
}
.tx-strip__item svg { color: var(--tx-primary); flex-shrink: 0; }
.tx-strip__item + .tx-strip__item { border-left: 1px solid var(--tx-border); padding-left: 22px; }

/* ── Cards / surfaces ───────────────────────────────────────────────────── */
.tx-card {
    background: var(--tx-surface); border: 1px solid var(--tx-border);
    border-radius: var(--tx-r-lg); padding: 24px;
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.tx-card--hover:hover { border-color: var(--tx-border-2); box-shadow: var(--tx-shadow-sm); transform: translateY(-2px); }

.tx-ic {
    width: 42px; height: 42px; border-radius: 11px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--tx-primary-l); color: var(--tx-primary); flex-shrink: 0;
}
.tx-ic--indigo { background: var(--tx-indigo-l); color: var(--tx-indigo); }
.tx-ic--cyan   { background: #ecfeff; color: #0891b2; }
.tx-ic--amber  { background: #fffbeb; color: #d97706; }
.tx-ic--green  { background: #ecfdf5; color: #059669; }

/* ── Feature grid ───────────────────────────────────────────────────────── */
.tx-grid { display: grid; gap: 20px; }
.tx-grid--2 { grid-template-columns: repeat(2, 1fr); }
.tx-grid--3 { grid-template-columns: repeat(3, 1fr); }
.tx-grid--4 { grid-template-columns: repeat(4, 1fr); }

.tx-feature__title { font-size: 1.0625rem; font-weight: 700; margin: 16px 0 7px; }
.tx-feature__text { font-size: 14px; color: var(--tx-muted); line-height: 1.65; }

/* Asymmetric "why" grid */
.tx-why { display: grid; grid-template-columns: 1.15fr 1fr; gap: 20px; }
.tx-why__col { display: grid; gap: 20px; }
.tx-why__lead {
    background: var(--tx-bg-2); border: 1px solid var(--tx-border);
    border-radius: var(--tx-r-lg); padding: 30px;
    display: flex; flex-direction: column; justify-content: space-between; gap: 28px;
}
.tx-why__lead-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 10px; }
.tx-why__lead-text { font-size: 14.5px; color: var(--tx-muted); line-height: 1.7; }
.tx-why__stat { display: flex; align-items: baseline; gap: 10px; }
.tx-why__stat b { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; }
.tx-why__stat span { font-size: 13px; color: var(--tx-muted); }

/* ── Latihan (categories) ───────────────────────────────────────────────── */
.tx-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tx-cat {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; background: var(--tx-surface);
    border: 1px solid var(--tx-border); border-radius: var(--tx-r);
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.tx-cat:hover { border-color: var(--tx-primary); box-shadow: var(--tx-shadow-xs); transform: translateY(-1px); }
.tx-cat__ic {
    width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--tx-bg-3); color: var(--tx-ink-2); font-weight: 700; font-size: 13px;
}
.tx-cat__body { flex: 1; min-width: 0; }
.tx-cat__name { font-size: 14.5px; font-weight: 600; color: var(--tx-ink); }
.tx-cat__meta { font-size: 12px; color: var(--tx-muted-2); margin-top: 1px; }
.tx-cat__arrow { color: var(--tx-muted-2); transition: transform .15s ease, color .15s ease; }
.tx-cat:hover .tx-cat__arrow { color: var(--tx-primary); transform: translateX(2px); }

/* ── How it works ───────────────────────────────────────────────────────── */
.tx-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; }
.tx-steps::before {
    content: ''; position: absolute; top: 26px; left: 8%; right: 8%; height: 1px;
    background: repeating-linear-gradient(90deg, var(--tx-border-2) 0 6px, transparent 6px 12px);
}
.tx-step { position: relative; }
.tx-step__num {
    position: relative; z-index: 1;
    width: 52px; height: 52px; border-radius: 14px;
    background: var(--tx-surface); border: 1px solid var(--tx-border);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 17px; font-weight: 800; color: var(--tx-primary);
    box-shadow: var(--tx-shadow-xs); margin-bottom: 18px;
}
.tx-step__title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px; }
.tx-step__text { font-size: 14px; color: var(--tx-muted); line-height: 1.65; }

/* ── Analytics section ──────────────────────────────────────────────────── */
.tx-split { display: grid; grid-template-columns: 1.08fr 1fr; gap: 60px; align-items: center; }
.tx-list { display: flex; flex-direction: column; gap: 14px; margin-top: 26px; }
.tx-list__item { display: flex; gap: 12px; align-items: flex-start; }
.tx-list__ic {
    width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; margin-top: 1px;
    background: var(--tx-primary-l); color: var(--tx-primary);
    display: inline-flex; align-items: center; justify-content: center;
}
.tx-list__title { font-size: 14.5px; font-weight: 600; }
.tx-list__text { font-size: 13px; color: var(--tx-muted); margin-top: 1px; }

/* Analytics mock */
.tx-analytics { background: var(--tx-surface); border: 1px solid var(--tx-border); border-radius: var(--tx-r-lg); box-shadow: var(--tx-shadow); overflow: hidden; }
.tx-analytics__head { padding: 18px 20px; border-bottom: 1px solid var(--tx-border); display: flex; align-items: center; justify-content: space-between; }
.tx-analytics__title { font-size: 14px; font-weight: 700; }
.tx-analytics__tag { font-size: 11px; font-weight: 700; color: #059669; background: #ecfdf5; padding: 4px 9px; border-radius: 99px; }
.tx-analytics__body { padding: 20px; display: grid; gap: 18px; }
.tx-analytics__score { display: flex; align-items: center; gap: 20px; }
.tx-score-ring { position: relative; width: 96px; height: 96px; flex-shrink: 0; }
.tx-score-ring svg { transform: rotate(-90deg); }
.tx-score-ring circle { fill: none; stroke-width: 8; }
.tx-score-ring .track { stroke: var(--tx-bg-3); }
.tx-score-ring .bar { stroke: var(--tx-primary); stroke-linecap: round; }
.tx-score-ring__val { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.tx-score-ring__val b { font-size: 24px; font-weight: 800; line-height: 1; }
.tx-score-ring__val span { font-size: 10px; color: var(--tx-muted-2); }
.tx-analytics__stats { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tx-mini { text-align: center; padding: 10px 6px; border: 1px solid var(--tx-border); border-radius: var(--tx-r-sm); }
.tx-mini b { display: block; font-size: 17px; font-weight: 800; }
.tx-mini span { font-size: 10.5px; color: var(--tx-muted); }
.tx-mini--ok b { color: #059669; }
.tx-mini--no b { color: #dc2626; }

.tx-bars { display: grid; gap: 11px; }
.tx-bar__top { display: flex; justify-content: space-between; font-size: 12px; color: var(--tx-ink-2); margin-bottom: 5px; }
.tx-bar__top b { font-weight: 600; color: var(--tx-muted); }
.tx-bar__track { height: 7px; background: var(--tx-bg-3); border-radius: 99px; overflow: hidden; }
.tx-bar__fill { height: 100%; border-radius: 99px; background: var(--tx-primary); }

/* ── Blog cards ─────────────────────────────────────────────────────────── */
.tx-posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tx-post { display: flex; flex-direction: column; background: var(--tx-surface); border: 1px solid var(--tx-border); border-radius: var(--tx-r-lg); overflow: hidden; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.tx-post:hover { border-color: var(--tx-border-2); box-shadow: var(--tx-shadow-sm); transform: translateY(-2px); }
.tx-post__thumb { aspect-ratio: 16 / 9; background: var(--tx-bg-3); position: relative; overflow: hidden; }
.tx-post__thumb img { width: 100%; height: 100%; object-fit: cover; }
.tx-post__thumb-ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--tx-muted-2); background: linear-gradient(135deg, #f1f5f9, #e2e8f0); }
.tx-post__body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.tx-post__cat { font-size: 11.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--tx-primary); }
.tx-post__title { font-size: 1.0625rem; font-weight: 700; line-height: 1.4; margin: 9px 0 9px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tx-post__excerpt { font-size: 13.5px; color: var(--tx-muted); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tx-post__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--tx-muted-2); }
.tx-post__read { font-weight: 600; color: var(--tx-primary); display: inline-flex; align-items: center; gap: 5px; }

/* ── Pricing preview ────────────────────────────────────────────────────── */
.tx-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.tx-plan { position: relative; background: var(--tx-surface); border: 1px solid var(--tx-border); border-radius: var(--tx-r-lg); padding: 28px; display: flex; flex-direction: column; }
.tx-plan--popular { border-color: var(--tx-primary); box-shadow: var(--tx-shadow); }
.tx-plan__badge { position: absolute; top: -12px; left: 28px; background: var(--tx-primary); color: #fff; font-size: 11.5px; font-weight: 700; padding: 5px 12px; border-radius: 99px; letter-spacing: .02em; }
.tx-plan__name { font-size: 1.05rem; font-weight: 700; }
.tx-plan__desc { font-size: 13px; color: var(--tx-muted); margin-top: 5px; min-height: 38px; }
.tx-plan__icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 12px; margin-bottom: 14px; background: color-mix(in srgb, var(--tx-primary) 12%, transparent); color: var(--tx-primary); }
.tx-plan--popular .tx-plan__icon { background: var(--tx-primary); color: #fff; }
.tx-plan__price { display: flex; align-items: baseline; gap: 4px; margin: 20px 0 6px; }
.tx-plan__cur { font-size: 15px; font-weight: 600; color: var(--tx-muted); }
.tx-plan__num { font-size: 2.1rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.tx-plan__per { font-size: 13px; color: var(--tx-muted); }
.tx-plan__meta { font-size: 12.5px; color: var(--tx-muted); margin-top: 8px; }
.tx-plan__feats { display: flex; flex-direction: column; gap: 11px; margin: 22px 0 24px; }
.tx-plan__feat { display: flex; gap: 10px; font-size: 13.5px; color: var(--tx-ink-2); align-items: flex-start; }
.tx-plan__feat svg { color: var(--tx-success); flex-shrink: 0; margin-top: 3px; }
.tx-plan__cta { margin-top: auto; }

/* ── Final CTA ──────────────────────────────────────────────────────────── */
.tx-cta { position: relative; overflow: hidden; border-radius: var(--tx-r-lg); background: var(--tx-grad); color: #fff; padding: 72px 40px; text-align: center; }
.tx-cta::before {
    content: ''; position: absolute; inset: 0; opacity: .5; pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 34px 34px;
    -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
            mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
}
.tx-cta__inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.tx-cta__title { font-size: clamp(1.6rem, 3vw, 2.2rem); color: #fff; margin-bottom: 14px; }
.tx-cta__text { font-size: 1rem; color: rgba(255,255,255,.88); line-height: 1.7; margin-bottom: 30px; }
.tx-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tx-btn--white { background: var(--tx-surface); color: var(--tx-primary); }
.tx-btn--white:hover { background: #f8fafc; }
.tx-btn--onDark { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.28); }
.tx-btn--onDark:hover { background: rgba(255,255,255,.2); }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.tx-footer { background: #0b1220; color: #cbd5e1; padding: 64px 0 0; }
.tx-footer a { color: #cbd5e1; }
.tx-footer__grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.tx-footer__brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 16px; }
.tx-footer__brand .tx-brand-mark { background: var(--tx-surface); color: #0b1220; box-shadow: none; }
.tx-footer__desc { font-size: 13.5px; line-height: 1.7; color: #94a3b8; max-width: 320px; }
.tx-footer__col h4 { color: #fff; font-size: 13px; font-weight: 700; letter-spacing: .03em; margin-bottom: 16px; text-transform: uppercase; }
.tx-footer__col a { display: block; font-size: 14px; color: #94a3b8; padding: 6px 0; transition: color .15s ease; }
.tx-footer__col a:hover { color: #fff; }
.tx-footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #64748b; }
.tx-footer__legal { display: flex; align-items: center; gap: 12px; }
.tx-footer__legal a { color: #94a3b8; }
.tx-footer__legal a:hover { color: #fff; }

/* ── Inner page hero ────────────────────────────────────────────────────── */
.tx-page-hero { background: var(--tx-bg-2); border-bottom: 1px solid var(--tx-border); padding: 60px 0 52px; }
.tx-page-hero--center { text-align: center; }
.tx-page-hero--center .tx-head { margin-bottom: 0; }
.tx-page-hero .tx-h1 { margin: 12px 0 14px; }
.tx-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--tx-muted-2); margin-bottom: 16px; }
.tx-breadcrumb a:hover { color: var(--tx-primary); }
.tx-breadcrumb svg { color: var(--tx-muted-2); }

/* ── Generic page shell ─────────────────────────────────────────────────── */
.tx-page { padding: 64px 0 96px; }
.tx-prose { font-size: 16px; line-height: 1.78; color: var(--tx-ink-2); }
.tx-prose h2 { font-size: 1.4rem; margin: 40px 0 14px; }
.tx-prose h3 { font-size: 1.12rem; margin: 28px 0 10px; }
.tx-prose p { margin: 0 0 16px; }
.tx-prose ul, .tx-prose ol { margin: 0 0 16px; padding-left: 22px; list-style: disc; }
.tx-prose li { margin-bottom: 8px; }
.tx-prose a { color: var(--tx-primary); font-weight: 600; }
.tx-prose strong { color: var(--tx-ink); }
.tx-prose img { border-radius: var(--tx-r); margin: 20px 0; }

/* ── Blog list ──────────────────────────────────────────────────────────── */
.tx-blog-layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 48px; align-items: start; }
.tx-post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.tx-post--wide { grid-column: 1 / -1; flex-direction: row; }
.tx-post--wide .tx-post__thumb { width: 46%; aspect-ratio: auto; }
.tx-post--wide .tx-post__body { padding: 28px; justify-content: center; }
.tx-post--wide .tx-post__title { font-size: 1.35rem; -webkit-line-clamp: 3; }

.tx-sidebar { display: flex; flex-direction: column; gap: 22px; position: sticky; top: calc(var(--tx-nav-h) + 20px); }
.tx-widget { background: var(--tx-surface); border: 1px solid var(--tx-border); border-radius: var(--tx-r-lg); padding: 22px; }
.tx-widget__title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-ink); margin-bottom: 16px; }
.tx-side-post { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--tx-border); }
.tx-side-post:last-child { border-bottom: 0; padding-bottom: 0; }
.tx-side-post__thumb { width: 60px; height: 60px; border-radius: var(--tx-r-sm); object-fit: cover; background: var(--tx-bg-3); flex-shrink: 0; }
.tx-side-post__title { font-size: 13.5px; font-weight: 600; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tx-side-post__meta { font-size: 11.5px; color: var(--tx-muted-2); margin-top: 4px; }
.tx-cat-link { display: flex; justify-content: space-between; padding: 9px 0; font-size: 14px; color: var(--tx-ink-2); border-bottom: 1px solid var(--tx-border); }
.tx-cat-link:last-child { border-bottom: 0; }
.tx-cat-link:hover { color: var(--tx-primary); }
.tx-cat-link span { color: var(--tx-muted-2); font-size: 12.5px; }
.tx-tagcloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tx-tag { font-size: 12.5px; padding: 6px 11px; border: 1px solid var(--tx-border); border-radius: 99px; color: var(--tx-muted); }
.tx-tag:hover, .tx-tag.is-active { border-color: var(--tx-primary); color: var(--tx-primary); background: var(--tx-primary-l); }

/* ── Pagination ─────────────────────────────────────────────────────────── */
.tx-pagination { display: flex; justify-content: center; gap: 6px; margin-top: 44px; }
.tx-page-btn {
    min-width: 40px; height: 40px; padding: 0 12px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--tx-border); border-radius: var(--tx-r-sm);
    font-size: 14px; font-weight: 600; color: var(--tx-ink-2); background: var(--tx-surface);
    transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}
.tx-page-btn:hover { border-color: var(--tx-primary); color: var(--tx-primary); }
.tx-page-btn.is-active { background: var(--tx-primary); border-color: var(--tx-primary); color: #fff; }
.tx-page-btn.is-disabled { opacity: .45; pointer-events: none; }

/* ── Exam cards ─────────────────────────────────────────────────────────── */
.tx-exams { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tx-exam { display: flex; flex-direction: column; background: var(--tx-surface); border: 1px solid var(--tx-border); border-radius: var(--tx-r-lg); overflow: hidden; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.tx-exam:hover { border-color: var(--tx-border-2); box-shadow: var(--tx-shadow-sm); transform: translateY(-2px); }
.tx-exam__thumb { aspect-ratio: 16/9; position: relative; background: linear-gradient(135deg,#eef2ff,#e0e7ff); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.tx-exam__thumb img { width: 100%; height: 100%; object-fit: cover; }
.tx-exam__thumb-ic { color: #a5b4fc; }
.tx-exam__badge { position: absolute; top: 12px; left: 12px; font-size: 11px; font-weight: 700; padding: 5px 10px; border-radius: 99px; }
.tx-exam__badge--free { background: #ecfdf5; color: #059669; }
.tx-exam__badge--premium { background: #eef2ff; color: #4f46e5; }
.tx-exam__body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.tx-exam__subject { font-size: 11.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--tx-primary); margin-bottom: 8px; }
.tx-exam__title { font-size: 1.02rem; font-weight: 700; line-height: 1.42; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tx-exam__desc { font-size: 13px; color: var(--tx-muted); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tx-exam__meta { display: flex; gap: 16px; font-size: 12.5px; color: var(--tx-muted-2); margin-bottom: 16px; }
.tx-exam__meta span { display: inline-flex; align-items: center; gap: 5px; }
.tx-exam__cta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--tx-border); font-size: 13.5px; font-weight: 600; color: var(--tx-primary); }

/* ── Filters / chips ────────────────────────────────────────────────────── */
.tx-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.tx-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.tx-chip { font-size: 13px; font-weight: 500; padding: 7px 14px; border: 1px solid var(--tx-border); border-radius: 99px; color: var(--tx-ink-2); background: var(--tx-surface); transition: all .15s ease; }
.tx-chip:hover { border-color: var(--tx-primary); color: var(--tx-primary); }
.tx-chip.is-active { background: var(--tx-primary); border-color: var(--tx-primary); color: #fff; }
.tx-select, .tx-input {
    padding: 10px 14px; border: 1px solid var(--tx-border); border-radius: var(--tx-r-sm);
    font-size: 14px; font-family: inherit; color: var(--tx-ink); background: var(--tx-surface);
}
.tx-select:focus, .tx-input:focus { outline: none; border-color: var(--tx-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.tx-search { display: flex; gap: 8px; }
.tx-search .tx-input { flex: 1; min-width: 200px; }

/* ── Detail / checkout shared ───────────────────────────────────────────── */
.tx-detail { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 40px; align-items: start; }
.tx-panel { background: var(--tx-surface); border: 1px solid var(--tx-border); border-radius: var(--tx-r-lg); padding: 26px; }
.tx-panel + .tx-panel { margin-top: 20px; }
.tx-panel__title { font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.tx-sticky { position: sticky; top: calc(var(--tx-nav-h) + 20px); }
.tx-fact { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--tx-border); font-size: 14px; }
.tx-fact:last-child { border-bottom: 0; }
.tx-fact span { color: var(--tx-muted); }
.tx-fact b { font-weight: 600; }

.tx-empty { text-align: center; padding: 72px 24px; border: 1px dashed var(--tx-border-2); border-radius: var(--tx-r-lg); background: var(--tx-bg-2); }
.tx-empty__ic { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 14px; background: var(--tx-surface); border: 1px solid var(--tx-border); display: flex; align-items: center; justify-content: center; color: var(--tx-muted-2); }
.tx-empty__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.tx-empty__text { font-size: 14px; color: var(--tx-muted); }

/* ── Legal pages ────────────────────────────────────────────────────────── */
.tx-legal { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 48px; align-items: start; }
.tx-legal__toc { position: sticky; top: calc(var(--tx-nav-h) + 20px); }
.tx-legal__toc h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-muted); margin-bottom: 12px; }
.tx-legal__toc a { display: block; font-size: 13.5px; color: var(--tx-muted); padding: 6px 0; border-left: 2px solid transparent; padding-left: 12px; }
.tx-legal__toc a:hover { color: var(--tx-primary); border-left-color: var(--tx-primary); }
.tx-legal__content { max-width: 760px; }

/* ── Utility ────────────────────────────────────────────────────────────── */
.tx-center { text-align: center; }
.tx-mt-32 { margin-top: 32px; }
.tx-mt-40 { margin-top: 40px; }
.tx-mt-48 { margin-top: 48px; }
.tx-actions-center { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.tx-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: 99px; background: var(--tx-bg-3); color: var(--tx-muted); }

/* ── Alerts (flash) ─────────────────────────────────────────────────────── */
.tx-alert { padding: 13px 16px; border-radius: var(--tx-r-sm); font-size: 14px; margin: 16px auto; max-width: var(--tx-container); border: 1px solid; }
.tx-alert--success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.tx-alert--error   { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.tx-alert--warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.tx-alert--info    { background: var(--tx-primary-l); border-color: #bfdbfe; color: #1e40af; }

/* ── FAQ ────────────────────────────────────────────────────────────────── */
.tx-faq-list { max-width: 820px; }
.tx-faq { border: 1px solid var(--tx-border); border-radius: var(--tx-r); background: var(--tx-surface); margin-bottom: 12px; overflow: hidden; }
.tx-faq[open] { border-color: var(--tx-border-2); }
.tx-faq summary {
    cursor: pointer; list-style: none; padding: 18px 22px;
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    font-size: 15px; font-weight: 600; color: var(--tx-ink);
}
.tx-faq summary::-webkit-details-marker { display: none; }
.tx-faq summary svg { color: var(--tx-muted); flex-shrink: 0; transition: transform .2s ease; }
.tx-faq[open] summary svg { transform: rotate(180deg); }
.tx-faq__a { padding: 0 22px 20px; font-size: 14px; line-height: 1.72; color: var(--tx-muted); }

/* ── Reveal animation (subtle, opt-in) ──────────────────────────────────── */
.tx-reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.tx-reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .tx-reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}
/* Without JS, never hide content. */
.no-js .tx-reveal { opacity: 1; transform: none; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
    .tx-footer__grid { grid-template-columns: 1.6fr 1fr 1fr; row-gap: 32px; }
    .tx-blog-layout { grid-template-columns: minmax(0,1fr) 300px; gap: 32px; }
    .tx-hero__grid { gap: 40px; }
    .tx-split { gap: 40px; }
    .tx-plans { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin: 0 auto; }
    .tx-plans .tx-plan--popular { grid-column: span 2; }
}


@media (max-width: 900px) {
    .tx-section { padding: 76px 0; }
    .tx-hero { padding: 40px 0 64px; }
    .tx-hero__grid { grid-template-columns: 1fr; gap: 44px; }
    .tx-hero__sub { max-width: none; }
    .tx-split { grid-template-columns: 1fr; gap: 36px; }
    .tx-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .tx-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .tx-cats { grid-template-columns: repeat(2, 1fr); }
    .tx-posts { grid-template-columns: repeat(2, 1fr); }
    .tx-plans { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
    .tx-why { grid-template-columns: 1fr; }
    .tx-steps { grid-template-columns: 1fr; gap: 32px; }
    .tx-steps::before { display: none; }
    .tx-exams { grid-template-columns: repeat(2, 1fr); }
    .tx-blog-layout { grid-template-columns: 1fr; }
    .tx-sidebar { position: static; }
    .tx-detail { grid-template-columns: 1fr; }
    .tx-sticky { position: static; }
    .tx-legal { grid-template-columns: 1fr; gap: 28px; }
    .tx-legal__toc { position: static; }
    .tx-post--wide { flex-direction: column; }
    .tx-post--wide .tx-post__thumb { width: 100%; aspect-ratio: 16/9; }
    .tx-nav__links, .tx-nav__actions { display: none; }
    .tx-nav__burger { display: flex; }
}

@media (max-width: 620px) {
    .tx-container { padding: 0 18px; }
    .tx-section { padding: 64px 0; }
    .tx-head { margin-bottom: 36px; }
    .tx-grid--2, .tx-grid--3, .tx-grid--4 { grid-template-columns: 1fr; }
    .tx-cats { grid-template-columns: 1fr; }
    .tx-posts { grid-template-columns: 1fr; }
    .tx-exams { grid-template-columns: 1fr; }
    .tx-post-list { grid-template-columns: 1fr; }
    .tx-hero__actions .tx-btn { flex: 1 1 auto; }
    .tx-strip__inner { flex-direction: column; }
    .tx-strip__item { border-left: 0 !important; padding-left: 8px !important; border-top: 1px solid var(--tx-border); }
    .tx-strip__item:first-child { border-top: 0; }
    .tx-cta { padding: 52px 22px; }
    .tx-footer__grid { grid-template-columns: 1fr 1fr; }
    .tx-preview__float--score { right: 0; bottom: -14px; }
    .tx-preview__float--badge { left: 0; }
    .tx-toolbar { flex-direction: column; align-items: stretch; }
}

/* ── Dark theme ─────────────────────────────────────────────────────────── */
[data-theme="dark"] {
    --tx-primary:    #3b82f6;
    --tx-primary-d:  #2563eb;
    --tx-primary-l:  #172554;
    --tx-indigo:     #818cf8;
    --tx-indigo-l:   #1e1b4b;

    --tx-ink:        #f8fafc;
    --tx-ink-2:      #cbd5e1;
    --tx-muted:      #94a3b8;
    --tx-muted-2:    #64748b;

    --tx-border:     #263244;
    --tx-border-2:   #334155;

    --tx-bg:         #0b1120;
    --tx-bg-2:       #111827;
    --tx-bg-3:       #172033;
    --tx-surface:    #111827;
    --tx-surface-2:  #172033;
    --tx-line:       #263244;

    --tx-accent:     #22d3ee;
    --tx-warn:       #fbbf24;

    --tx-shadow-xs: 0 1px 2px rgba(0,0,0,.4);
    --tx-shadow-sm: 0 1px 3px rgba(0,0,0,.5), 0 6px 16px -10px rgba(0,0,0,.6);
    --tx-shadow:    0 2px 6px rgba(0,0,0,.4), 0 18px 40px -20px rgba(0,0,0,.7);
}
[data-theme="dark"] body.tx-body { color: var(--tx-ink); background: var(--tx-bg); }
[data-theme="dark"] .tx-nav { background: var(--tx-surface); border-bottom-color: var(--tx-line); }
[data-theme="dark"] .tx-nav__links a { color: var(--tx-ink-2); }
[data-theme="dark"] .tx-nav__links a:hover,
[data-theme="dark"] .tx-nav__links a.is-active { color: var(--tx-ink); }
[data-theme="dark"] .tx-hero,
[data-theme="dark"] .tx-section--alt,
[data-theme="dark"] .tx-strip { background: var(--tx-bg); }
[data-theme="dark"] .tx-section--soft { background: var(--tx-bg-2); }
[data-theme="dark"] .tx-chip { background: var(--tx-surface-2); color: var(--tx-ink-2); border-color: var(--tx-line); }
[data-theme="dark"] .tx-chip.is-active { background: var(--tx-primary); color: #fff; border-color: var(--tx-primary); }
[data-theme="dark"] .tx-panel,
[data-theme="dark"] .tx-analytics,
[data-theme="dark"] .tx-post,
[data-theme="dark"] .tx-plan,
[data-theme="dark"] .tx-exam,
[data-theme="dark"] .tx-faq,
[data-theme="dark"] .tx-empty__ic { background: var(--tx-surface); border-color: var(--tx-line); }
[data-theme="dark"] .tx-btn--outline { background: var(--tx-surface-2); color: var(--tx-ink); border-color: var(--tx-border-2); }
[data-theme="dark"] .tx-btn--outline:hover { background: var(--tx-bg-3); }
[data-theme="dark"] .tx-input,
[data-theme="dark"] .tx-select,
[data-theme="dark"] .tx-textarea,
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select { background: var(--tx-surface-2); color: var(--tx-ink); border-color: var(--tx-line); }
[data-theme="dark"] .tx-legal__toc { background: var(--tx-surface); border-color: var(--tx-line); }
[data-theme="dark"] .tx-footer { background: #060b16; }
[data-theme="dark"] img:not([data-no-dim]) { color-scheme: only light; }

/* Navbar theme toggle */
.tx-themebtn {
    width: 36px; height: 36px; border-radius: 9px;
    border: 1px solid var(--tx-border); background: var(--tx-surface);
    color: var(--tx-ink-2); display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; padding: 0; transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.tx-themebtn:hover { background: var(--tx-surface-2); color: var(--tx-ink); }
.tx-themebtn__moon { display: none; }
.tx-themebtn.is-dark .tx-themebtn__sun { display: none; }
.tx-themebtn.is-dark .tx-themebtn__moon { display: block; }
@media (max-width: 900px) { .tx-themebtn { display: none; } }

/* Checkout v2 — dark-mode refinements */
[data-theme="dark"] .ck2-hero { background: var(--tx-surface); border-bottom-color: var(--tx-line); }
[data-theme="dark"] .ck2-hero-bg { opacity: .5; }
[data-theme="dark"] .ck2-card,
[data-theme="dark"] .ck2-summary,
[data-theme="dark"] .ck2-method,
[data-theme="dark"] .ck2-trust { background: var(--tx-surface); border-color: var(--tx-line); }
[data-theme="dark"] .ck2-detail-list li::marker { color: var(--tx-muted); }
[data-theme="dark"] .ck2-plan-feature::before { color: var(--tx-success); }

/* ════════════════════════════════════════════════════════════════
   Premium Educational Enhancements & Fluid Micro-Animations
   ════════════════════════════════════════════════════════════════ */
@keyframes txFloatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-7px); }
}

@keyframes txFloatReverse {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(5px); }
}

@keyframes txPulseSubtle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.15); }
}

.tx-hero__badge-dot {
    animation: txPulseSubtle 2.5s ease-in-out infinite;
}

.tx-preview__float--badge {
    animation: txFloatSlow 5s ease-in-out infinite;
}

.tx-preview__float--score {
    animation: txFloatReverse 6s ease-in-out infinite;
}

/* Hero Ambient Layer */
.tx-hero-ambient {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.tx-hero-ambient::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 480px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(99, 102, 241, 0.05) 45%, transparent 70%);
    filter: blur(40px);
}

[data-theme="dark"] .tx-hero-ambient::before {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, rgba(129, 140, 248, 0.08) 50%, transparent 75%);
}

/* Subtle Grid Texture */
.tx-hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 65% 55% at 50% 30%, #000 60%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 30%, #000 60%, transparent 100%);
    opacity: 0.65;
    pointer-events: none;
}

[data-theme="dark"] .tx-hero-grid-pattern {
    background-image: 
        linear-gradient(to right, rgba(38, 50, 68, 0.5) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(38, 50, 68, 0.5) 1px, transparent 1px);
    opacity: 0.35;
}

/* Interactive CBT Preview Widget */
.tx-mock-interactive-opt {
    cursor: pointer;
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
}

.tx-mock-interactive-opt:hover {
    border-color: var(--tx-primary);
    background: var(--tx-bg-2);
    transform: translateX(3px);
}

.tx-mock-interactive-opt.is-selected {
    border-color: var(--tx-primary);
    background: var(--tx-primary-l);
    color: var(--tx-primary-d);
}

.tx-mock-interactive-opt.is-selected b {
    background: var(--tx-primary);
    color: #ffffff;
}

/* Live Stats Strip */
.tx-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.tx-stat-card {
    background: var(--tx-surface);
    border: 1px solid var(--tx-border);
    border-radius: var(--tx-r);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tx-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--tx-shadow-sm);
    border-color: var(--tx-primary);
}

.tx-stat-val {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--tx-ink);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 6px;
}

.tx-stat-lbl {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--tx-muted);
}

/* Feature Matrix Cards */
.tx-feat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.tx-feat-card {
    background: var(--tx-surface);
    border: 1px solid var(--tx-border);
    border-radius: var(--tx-r);
    padding: 30px 26px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
}

.tx-feat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tx-shadow);
    border-color: rgba(37, 99, 235, 0.4);
}

.tx-feat-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--tx-primary-l);
    color: var(--tx-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.2s ease;
}

.tx-feat-card:hover .tx-feat-card__icon {
    transform: scale(1.08);
}

.tx-feat-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--tx-ink);
    margin-bottom: 10px;
    line-height: 1.35;
}

.tx-feat-card__desc {
    font-size: 14px;
    color: var(--tx-muted);
    line-height: 1.65;
}

/* Accordion FAQ */
.tx-faq-group {
    max-width: 840px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tx-faq-item {
    background: var(--tx-surface);
    border: 1px solid var(--tx-border);
    border-radius: var(--tx-r);
    overflow: hidden;
    transition: border-color 0.15s ease;
}

.tx-faq-item.is-open {
    border-color: var(--tx-primary);
}

.tx-faq-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--tx-ink);
    transition: color 0.15s ease;
}

.tx-faq-btn:hover {
    color: var(--tx-primary);
}

.tx-faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--tx-muted);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.tx-faq-item.is-open .tx-faq-icon {
    transform: rotate(180deg);
    color: var(--tx-primary);
}

.tx-faq-answer {
    padding: 0 22px 20px 22px;
    font-size: 14.5px;
    color: var(--tx-ink-2);
    line-height: 1.7;
    display: none;
}

.tx-faq-item.is-open .tx-faq-answer {
    display: block;
}

/* Mobile responsive fine-tuning */
@media (max-width: 768px) {
    .tx-hero__grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .tx-hero__copy {
        text-align: center;
    }
    .tx-hero__sub {
        margin-left: auto;
        margin-right: auto;
    }
    .tx-hero__actions {
        justify-content: center;
    }
    .tx-hero__note {
        justify-content: center;
    }
    .tx-hero__grid > .tx-preview {
        padding: 10px 0 0 0;
    }
}

/* ==========================================================================
   REDESIGNED CTA SECTION (Responsive Dark & Light Mode)
   ========================================================================== */
.tx-cta-box {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    padding: 68px 44px;
    text-align: center;
    background: linear-gradient(145deg, #ffffff 0%, #f4f8ff 50%, #eef2ff 100%);
    border: 1px solid rgba(37, 99, 235, 0.16);
    box-shadow: 0 20px 48px -12px rgba(37, 99, 235, 0.1), 0 0 1px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] .tx-cta-box {
    background: linear-gradient(145deg, #0d1527 0%, #0a1120 50%, #060913 100%);
    border: 1px solid rgba(99, 102, 241, 0.28);
    box-shadow: 0 24px 60px -15px rgba(0, 0, 0, 0.7), 0 0 40px -10px rgba(99, 102, 241, 0.2);
}

.tx-cta-box__glow {
    position: absolute;
    top: -40%;
    left: 50%;
    transform: translateX(-50%);
    width: 650px;
    height: 380px;
    background: radial-gradient(ellipse 70% 60% at 50% 30%, rgba(37, 99, 235, 0.15), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

[data-theme="dark"] .tx-cta-box__glow {
    background: radial-gradient(ellipse 70% 60% at 50% 30%, rgba(99, 102, 241, 0.3), transparent 70%);
}

.tx-cta-box__grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.45;
    background-image:
        linear-gradient(to right, rgba(37, 99, 235, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
    background-size: 32px 32px;
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 80%);
            mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 80%);
}

[data-theme="dark"] .tx-cta-box__grid-bg {
    opacity: 0.35;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

.tx-cta-box__content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}

.tx-cta-box__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 99px;
    background: var(--tx-primary-l);
    color: var(--tx-primary);
    border: 1px solid rgba(37, 99, 235, 0.2);
    margin-bottom: 20px;
}

[data-theme="dark"] .tx-cta-box__badge {
    background: rgba(99, 102, 241, 0.14);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.3);
}

.tx-cta-box__badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--tx-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
    animation: txPulseSubtle 2s infinite ease-in-out;
}

[data-theme="dark"] .tx-cta-box__badge-dot {
    background: #818cf8;
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.35);
}

.tx-cta-box__title {
    font-size: clamp(1.8rem, 3.4vw, 2.5rem);
    font-weight: 800;
    color: var(--tx-ink);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

.tx-cta-box__highlight {
    background: linear-gradient(135deg, var(--tx-primary) 0%, var(--tx-indigo) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .tx-cta-box__highlight {
    background: linear-gradient(135deg, #60a5fa 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tx-cta-box__desc {
    font-size: 1.05rem;
    color: var(--tx-muted);
    line-height: 1.7;
    margin: 0 auto 32px;
    max-width: 600px;
}

.tx-cta-box__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-bottom: 34px;
}

.tx-cta-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--tx-r);
    background: var(--tx-primary);
    color: #ffffff !important;
    box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.4);
    transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.tx-cta-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px -4px rgba(37, 99, 235, 0.5);
    background: var(--tx-primary-d);
}

.tx-cta-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--tx-r);
    background: var(--tx-surface);
    color: var(--tx-ink);
    border: 1px solid var(--tx-border-2);
    transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.tx-cta-btn-secondary:hover {
    transform: translateY(-2px);
    border-color: var(--tx-primary);
    color: var(--tx-primary);
    background: var(--tx-surface-2);
}

[data-theme="dark"] .tx-cta-btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #f8fafc;
    border-color: rgba(255, 255, 255, 0.18);
}

[data-theme="dark"] .tx-cta-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}

.tx-cta-box__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 28px;
    justify-content: center;
    padding-top: 24px;
    border-top: 1px solid var(--tx-border);
}

[data-theme="dark"] .tx-cta-box__trust {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.tx-cta-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--tx-muted);
}

.tx-cta-trust-item svg {
    color: var(--tx-success);
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .tx-cta-box {
        padding: 44px 22px 36px;
    }
    .tx-cta-box__actions .tx-btn {
        width: 100%;
        justify-content: center;
    }
    .tx-cta-box__trust {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
}

/* ==========================================================================
   REDESIGNED AUTHORITATIVE FOOTER
   ========================================================================== */
.tx-footer {
    background: #080d1a !important;
    color: #cbd5e1 !important;
    padding: 72px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.tx-footer a {
    color: #94a3b8;
    transition: color 0.15s ease;
}

.tx-footer a:hover {
    color: #ffffff;
}

.tx-footer__grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 56px;
}

.tx-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    font-weight: 800;
    font-size: 19px;
    margin-bottom: 16px;
}

.tx-footer__brand .tx-brand-mark {
    background: #ffffff;
    color: #080d1a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.tx-footer__desc {
    font-size: 13.5px;
    line-height: 1.7;
    color: #94a3b8;
    max-width: 330px;
    margin-bottom: 20px;
}

.tx-footer__badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 22px;
}

.tx-footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: #cbd5e1;
}

.tx-footer-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
}

.tx-footer-badge-dot--blue {
    background: #38bdf8;
}

.tx-footer__contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: #94a3b8;
}

.tx-footer__contact-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tx-footer__contact-item svg {
    color: #64748b;
    flex-shrink: 0;
}

.tx-footer__col h4 {
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 18px;
    text-transform: uppercase;
}

.tx-footer__col a {
    display: block;
    font-size: 13.5px;
    padding: 6px 0;
}

.tx-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #64748b;
}

.tx-footer__status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: #94a3b8;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 99px;
}

.tx-footer__status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
    animation: txPulseSubtle 2s infinite ease-in-out;
}

.tx-footer__legal {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tx-footer__legal a {
    color: #94a3b8;
}

.tx-footer__legal a:hover {
    color: #ffffff;
}

@media (max-width: 1024px) {
    .tx-footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
        row-gap: 36px;
    }
}

@media (max-width: 640px) {
    .tx-footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .tx-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }
}

/* ==========================================================================
   REDESIGNED PRICING SYSTEM & MATRIX
   ========================================================================== */
.tx-pricing-hero {
    position: relative;
    padding: 68px 0 60px;
    text-align: center;
    background: var(--tx-bg-2);
    border-bottom: 1px solid var(--tx-border);
}

.tx-pricing-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 24px;
    font-size: 13.5px;
    color: var(--tx-muted);
}

.tx-pricing-pill-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.tx-pricing-pill-item svg {
    color: var(--tx-success);
    flex-shrink: 0;
}

.tx-pricing-cards-wrapper {
    margin-top: 48px;
}

.tx-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

.tx-pricing-card {
    position: relative;
    background: var(--tx-surface);
    border: 1px solid var(--tx-border);
    border-radius: 20px;
    padding: 36px 30px 32px;
    display: flex;
    flex-direction: column;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, border-color 0.22s ease;
}

.tx-pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.12);
    border-color: var(--tx-border-2);
}

.tx-pricing-card--popular {
    border: 2px solid var(--tx-primary);
    box-shadow: 0 16px 36px -8px rgba(37, 99, 235, 0.2);
    background: linear-gradient(180deg, color-mix(in srgb, var(--tx-primary) 4%, var(--tx-surface)) 0%, var(--tx-surface) 100%);
}

.tx-pricing-card--popular:hover {
    box-shadow: 0 22px 48px -10px rgba(37, 99, 235, 0.28);
}

.tx-pricing-card__ribbon {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--tx-primary) 0%, var(--tx-indigo) 100%);
    color: #ffffff;
    font-size: 11.5px;
    font-weight: 800;
    padding: 6px 16px;
    border-radius: 99px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    white-space: nowrap;
}

.tx-pricing-card__head {
    margin-bottom: 20px;
}

.tx-pricing-card__icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--tx-primary-l);
    color: var(--tx-primary);
    margin-bottom: 16px;
    transition: transform 0.2s ease;
}

.tx-pricing-card:hover .tx-pricing-card__icon-box {
    transform: scale(1.08);
}

.tx-pricing-card--popular .tx-pricing-card__icon-box {
    background: var(--tx-primary);
    color: #ffffff;
}

.tx-pricing-card__title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--tx-ink);
    margin-bottom: 6px;
    letter-spacing: -0.015em;
}

.tx-pricing-card__sub {
    font-size: 13.5px;
    color: var(--tx-muted);
    min-height: 38px;
    line-height: 1.45;
}

.tx-pricing-card__price-box {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin: 14px 0 6px;
}

.tx-pricing-card__currency {
    font-size: 18px;
    font-weight: 700;
    color: var(--tx-ink-2);
}

.tx-pricing-card__amount {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--tx-ink);
}

.tx-pricing-card__period {
    font-size: 14px;
    font-weight: 500;
    color: var(--tx-muted);
}

.tx-pricing-card__meta-bar {
    font-size: 13px;
    color: var(--tx-muted);
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--tx-bg-2);
    border: 1px solid var(--tx-border);
    margin: 12px 0 24px;
}

.tx-pricing-card__meta-bar strong {
    color: var(--tx-ink);
}

.tx-pricing-card__cta {
    margin-bottom: 28px;
}

.tx-pricing-card__features-title {
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tx-muted-2);
    margin-bottom: 14px;
}

.tx-pricing-card__feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
}

.tx-pricing-feature-row {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    font-size: 13.5px;
    color: var(--tx-ink-2);
    line-height: 1.5;
}

.tx-pricing-feature-ic {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ecfdf5;
    color: #059669;
    flex-shrink: 0;
    margin-top: 1px;
}

.tx-pricing-feature-row--disabled {
    color: var(--tx-muted-2);
    opacity: 0.65;
}

.tx-pricing-feature-row--disabled .tx-pricing-feature-ic {
    background: var(--tx-bg-3);
    color: var(--tx-muted-2);
}

/* Custom Organization / Bimbel Card */
.tx-enterprise-card {
    background: linear-gradient(135deg, var(--tx-bg-2) 0%, var(--tx-surface) 100%);
    border: 1px solid var(--tx-border-2);
    border-radius: 20px;
    padding: 36px 40px;
    margin-top: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.tx-enterprise-card__copy {
    max-width: 640px;
}

.tx-enterprise-card__title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--tx-ink);
    margin-bottom: 8px;
}

.tx-enterprise-card__desc {
    font-size: 14px;
    color: var(--tx-muted);
    line-height: 1.6;
}

/* Redesigned Comparison Matrix Table */
.tx-matrix-wrapper {
    margin-top: 72px;
}

.tx-matrix-table-container {
    overflow-x: auto;
    border: 1px solid var(--tx-border);
    border-radius: 18px;
    background: var(--tx-surface);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.tx-matrix-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
    text-align: left;
}

.tx-matrix-table th {
    padding: 20px 24px;
    font-size: 14px;
    font-weight: 700;
    color: var(--tx-ink);
    border-bottom: 1px solid var(--tx-border);
    background: var(--tx-bg-2);
}

.tx-matrix-table th:first-child {
    font-size: 13px;
    color: var(--tx-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: 40%;
}

.tx-matrix-table th.tx-matrix-th-tier {
    text-align: center;
}

.tx-matrix-tier-price {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--tx-primary);
    margin-top: 4px;
}

.tx-matrix-table td {
    padding: 16px 24px;
    font-size: 14px;
    color: var(--tx-ink-2);
    border-bottom: 1px solid var(--tx-border);
    transition: background-color 0.12s ease;
}

.tx-matrix-table tr:hover td {
    background-color: color-mix(in srgb, var(--tx-primary) 3%, transparent);
}

.tx-matrix-table tr:last-child td {
    border-bottom: 0;
}

.tx-matrix-table td.tx-matrix-td-val {
    text-align: center;
}

.tx-matrix-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #ecfdf5;
    color: #059669;
}

.tx-matrix-dash {
    color: var(--tx-muted-2);
    font-size: 18px;
    font-weight: 700;
}

/* Guarantee / Trust Cards on Pricing */
.tx-pricing-trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 56px;
}

.tx-pricing-trust-card {
    background: var(--tx-surface);
    border: 1px solid var(--tx-border);
    border-radius: 16px;
    padding: 26px 22px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.tx-pricing-trust-card__ic {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--tx-primary-l);
    color: var(--tx-primary);
    flex-shrink: 0;
}

.tx-pricing-trust-card__title {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--tx-ink);
    margin-bottom: 5px;
}

.tx-pricing-trust-card__text {
    font-size: 13.5px;
    color: var(--tx-muted);
    line-height: 1.55;
}

@media (max-width: 960px) {
    .tx-pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    .tx-enterprise-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 24px;
    }
    .tx-pricing-trust-grid {
        grid-template-columns: 1fr;
    }
}