/* ==========================================================================
   Bixie design system
   Phase 1 — tokens, layout primitives and the components the marketing pages
   need. Members Hub, admin and enterprise portal styles extend these tokens
   rather than introducing new ones.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Brand purple, carried over from the existing Bixie identity. */
    --purple-600: #6C5CE7;
    --purple-700: #5747C7;
    --purple-800: #4F3FD0;
    --purple-100: #E9E5FC;
    --purple-050: #F1EEFB;
    --purple-200: #DCD6F8;
    --ink-deep:   #2E2657;

    /* Neutrals, biased slightly toward the brand hue so they read as chosen. */
    --ink:        #241F3A;
    --ink-soft:   #5C5674;
    --ink-faint:  #8D87A3;
    --ink-ghost:  #B3ADC9;

    --surface:      #FFFFFF;
    --surface-page: #FDFDFF;
    --surface-tint: #F7F5FD;
    --surface-mute: #F5F3FC;

    --line:        #E6E2F4;
    --line-soft:   #EFECFA;
    --line-strong: #D9D3F0;

    /* Semantic. */
    --good:       #2E7D5B;
    --good-bg:    #E4F3EC;
    --good-ink:   #2E9E6B;
    --warn:       #B07D1E;
    --warn-bg:    #F3E9D2;

    /* Type. */
    --font-display: "Poppins", "Segoe UI", system-ui, sans-serif;
    --font-body: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;

    --step--1: 0.875rem;
    --step-0:  1rem;
    --step-1:  1.0625rem;
    --step-2:  clamp(1.125rem, 0.4vw + 1.05rem, 1.1875rem);
    --step-3:  clamp(1.25rem, 0.8vw + 1.1rem, 1.375rem);
    --step-4:  clamp(1.5rem, 1.4vw + 1.2rem, 1.75rem);
    --step-5:  clamp(1.75rem, 2.4vw + 1.2rem, 2.375rem);
    --step-6:  clamp(2.125rem, 4.6vw + 1rem, 3.875rem);

    /* Space. */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 5.5rem;

    /* Shape. */
    --radius-sm:   8px;
    --radius-md:   14px;
    --radius-lg:   20px;
    --radius-xl:   24px;
    --radius-pill: 999px;

    --shadow-sm: 0 2px 8px rgba(46, 38, 87, 0.06);
    --shadow-md: 0 12px 30px rgba(46, 38, 87, 0.10);
    --shadow-lg: 0 24px 60px rgba(46, 38, 87, 0.18);

    --gutter: clamp(1.25rem, 4vw, 4.5rem);
    --measure: 62ch;
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

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

body {
    margin: 0;
    background: var(--surface-page);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: var(--step-1);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

a { color: var(--purple-700); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--purple-800); }

:focus-visible {
    outline: 3px solid var(--purple-600);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1240px;
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--tight { padding-block: clamp(2.25rem, 4vw, 3rem); }
.section--tint { background: var(--surface-mute); }
.section--plain { background: var(--surface); }

.stack { display: flex; flex-direction: column; }
.stack-2 { gap: var(--space-2); }
.stack-3 { gap: var(--space-3); }
.stack-4 { gap: var(--space-4); }
.stack-5 { gap: var(--space-5); }
.stack-6 { gap: var(--space-6); }

.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
}

.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
    .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
    .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.measure { max-width: var(--measure); }

.skip-link {
    position: absolute;
    left: -9999px;
    top: var(--space-3);
    z-index: 100;
    background: var(--surface);
    color: var(--ink);
    font-weight: 600;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-md);
}
.skip-link:focus { left: var(--gutter); }

/* --------------------------------------------------------------------------
   4. Type helpers
   -------------------------------------------------------------------------- */
.eyebrow {
    font-size: var(--step--1);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--purple-700);
}

.h-hero  { font-size: var(--step-6); }
.h-major { font-size: var(--step-5); }
.h-mid   { font-size: var(--step-4); }
.h-minor { font-size: var(--step-3); font-weight: 600; }
.h-card  { font-family: var(--font-display); font-size: var(--step-2); font-weight: 600; letter-spacing: -0.01em; }

.lede { font-size: var(--step-2); line-height: 1.6; color: var(--ink-soft); }
.body-soft { color: var(--ink-soft); }
.meta { font-size: var(--step--1); color: var(--ink-faint); }

/* Marker for content still awaiting real input from Bixie. */
.ph {
    border-bottom: 2px dotted var(--warn);
    color: inherit;
    cursor: help;
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 48px;
    padding: 0.75rem 1.6rem;
    border: 1.5px solid transparent;
    border-radius: var(--radius-pill);
    font-family: var(--font-body);
    font-size: var(--step-0);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--purple-600); color: #FFFFFF; }
.btn--primary:hover { background: var(--purple-800); color: #FFFFFF; }

.btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--surface-tint); color: var(--ink); border-color: var(--purple-600); }

.btn--dark { background: var(--ink-deep); color: #FFFFFF; }
.btn--dark:hover { background: #241E48; color: #FFFFFF; }

.btn--light { background: #FFFFFF; color: var(--purple-800); }
.btn--light:hover { background: var(--purple-050); color: var(--purple-800); }

.btn--outline-ink { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--outline-ink:hover { background: var(--ink); color: #FFFFFF; }

.btn--block { width: 100%; }
.btn--sm { min-height: 44px; padding: 0.55rem 1.15rem; font-size: var(--step--1); }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--step-0);
    color: var(--purple-700);
    text-decoration: none;
}
.link-arrow:hover { gap: 0.85rem; }
.link-arrow svg { transition: transform 0.18s ease; }

/* --------------------------------------------------------------------------
   6. Chips & badges
   -------------------------------------------------------------------------- */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.25rem 0.8rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.chip--free    { background: var(--good-bg); color: var(--good); }
.chip--premium { background: var(--purple-100); color: var(--purple-700); }
.chip--sample  { background: var(--warn-bg); color: var(--warn); }
.chip--news    { background: var(--purple-050); color: var(--purple-700); text-transform: none; letter-spacing: 0; font-weight: 600; }

.badge-trust {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.6rem 1.15rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    font-size: var(--step--1);
    font-weight: 600;
    color: var(--ink-soft);
    background: var(--surface);
}
.badge-trust svg { color: var(--warn); flex-shrink: 0; }

/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.card--flat { background: var(--surface-tint); border-color: var(--line-soft); }

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--purple-600);
    color: #FFFFFF;
    flex-shrink: 0;
}

/* Course cards */
.course-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.course-card__art {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
}
.course-card__art--lilac  { background: var(--purple-200); color: var(--purple-700); }
.course-card__art--violet { background: #C9C0F4; color: var(--purple-800); }
.course-card__art--sand   { background: var(--warn-bg); color: var(--warn); }
.course-card__body { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-5); }

/* Article cards */
.article-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    height: 100%;
}
.article-card h3 { font-size: var(--step-2); line-height: 1.4; }
.article-card a { text-decoration: none; color: inherit; }
.article-card a:hover h3 { color: var(--purple-700); }

/* --------------------------------------------------------------------------
   8. Site header
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(150%) blur(10px);
    border-bottom: 1px solid var(--line);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: 68px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--ink);
}
.brand__word {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
}
.brand svg { color: var(--purple-600); }

.nav { display: none; }
.nav__list { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.nav__link {
    font-size: var(--step-0);
    font-weight: 500;
    color: var(--ink-soft);
    text-decoration: none;
    padding-block: var(--space-2);
}
.nav__link:hover { color: var(--ink); }
.nav__link[aria-current="page"] { color: var(--ink); font-weight: 600; }

.header-actions { display: none; align-items: center; gap: var(--space-4); }
.header-actions .login { font-weight: 600; color: var(--ink); text-decoration: none; }

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    color: var(--ink);
    cursor: pointer;
}
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-nav {
    display: none;
    border-top: 1px solid var(--line);
    background: var(--surface);
    padding: var(--space-4) 0 var(--space-6);
}
.mobile-nav.is-open { display: block; }
.mobile-nav__list { display: flex; flex-direction: column; }
.mobile-nav__list a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--step-2);
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--line-soft);
}
.mobile-nav__actions { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-5); }

@media (min-width: 900px) {
    .nav { display: block; }
    .header-actions { display: flex; }
    .nav-toggle, .mobile-nav { display: none !important; }
}

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    background: var(--purple-050);
    padding-block: clamp(2.75rem, 6vw, 5.5rem);
    overflow: hidden;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: center;
}

.hero__title span { color: var(--purple-600); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__actions .btn { flex: 1 1 15rem; }

.hero__note {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--step--1);
    color: var(--ink-faint);
}
.hero__note svg { color: var(--good-ink); flex-shrink: 0; }

/* The illustration column: a brand panel with two floating proof cards. */
.hero__art { position: relative; display: none; }
.hero__panel {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 0.95;
    border-radius: 36px;
    background: var(--purple-600);
    color: #FFFFFF;
    margin: 2rem 2.5rem;
}
.hero__panel-placeholder {
    position: absolute;
    inset: auto 2.5rem 2.75rem;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.85);
    border: 1px dashed rgba(255, 255, 255, 0.55);
    border-radius: var(--radius-pill);
    padding: 0.2rem 0.75rem;
    width: fit-content;
    margin-inline: auto;
}
.proof-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    box-shadow: var(--shadow-md);
}
.proof-card--top { top: 0; left: 0; }
.proof-card--bottom { bottom: 0; left: -0.5rem; }
.proof-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    flex-shrink: 0;
}
.proof-card__icon--purple { background: var(--purple-100); color: var(--purple-700); }
.proof-card__icon--green { background: var(--good-bg); color: var(--good-ink); }
.proof-card strong { font-family: var(--font-display); font-size: var(--step-0); font-weight: 600; }
.proof-card span { font-size: 0.78rem; color: var(--ink-faint); }

@media (min-width: 900px) {
    .hero__grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
    .hero__art { display: block; }
    .hero__actions .btn { flex: 0 0 auto; }
}

/* --------------------------------------------------------------------------
   10. Trust band
   -------------------------------------------------------------------------- */
.trust-band { background: var(--surface); border-bottom: 1px solid var(--line-soft); }
.trust-band__label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
    text-align: center;
}
.trust-band__items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   11. Section headers
   -------------------------------------------------------------------------- */
.section-head {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}
.section-head--split { gap: var(--space-4); }

@media (min-width: 900px) {
    .section-head--split {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
    }
    .section-head--split > .stack { max-width: 40rem; }
}

/* --------------------------------------------------------------------------
   12. Pricing
   -------------------------------------------------------------------------- */
.billing-toggle {
    display: inline-flex;
    align-self: center;
    gap: var(--space-1);
    background: var(--purple-050);
    border-radius: var(--radius-pill);
    padding: 5px;
}
.billing-toggle__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: 0.5rem 1.35rem;
    border: none;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: var(--step-0);
    cursor: pointer;
    transition: background-color 0.18s ease, color 0.18s ease;
}
.billing-toggle__btn[aria-pressed="true"] {
    background: var(--surface);
    color: var(--ink);
    box-shadow: var(--shadow-sm);
}
.billing-toggle__save {
    background: var(--good-bg);
    color: var(--good);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-pill);
    text-transform: none;
    letter-spacing: 0;
}

.plans {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    align-items: start;
    margin-top: var(--space-7);
}
@media (min-width: 900px) {
    .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 60rem; margin-inline: auto; }
    .plans--three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1100px) {
    .plans--three { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 72rem; }
}

.plan {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}
.plan--featured {
    border: 2px solid var(--purple-600);
    box-shadow: var(--shadow-lg);
}
.plan__badge {
    position: absolute;
    top: -0.85rem;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    background: var(--purple-600);
    color: #FFFFFF;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-pill);
}
.plan__price { display: flex; align-items: baseline; gap: var(--space-2); flex-wrap: wrap; }
.plan__amount { font-family: var(--font-display); font-size: var(--step-6); font-weight: 700; line-height: 1; letter-spacing: -0.03em; }
.plan__period { font-size: var(--step-0); color: var(--ink-faint); }
.plan__alt { font-size: var(--step-0); font-weight: 600; color: var(--purple-700); }
.plan__features { display: flex; flex-direction: column; gap: var(--space-3); }
.plan__features li { display: flex; align-items: flex-start; gap: var(--space-3); }
.plan__features svg { flex-shrink: 0; margin-top: 0.3rem; color: var(--good-ink); }
.plan--featured .plan__features svg { color: var(--purple-600); }

.price-note { text-align: center; margin-top: var(--space-6); font-size: var(--step--1); color: var(--ink-faint); }

/* Auto-renew note under the plans */
.renew-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    max-width: 46rem;
    margin: var(--space-6) auto 0;
    background: var(--surface-tint);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
}
.renew-note p { font-size: var(--step-0); line-height: 1.6; color: var(--ink-soft); }
.renew-note strong { color: var(--ink); }
.renew-note__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: var(--purple-100);
    color: var(--purple-700);
}

/* Gift strip */
.gift-strip {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: clamp(1.75rem, 4vw, 2.75rem);
}
@media (min-width: 900px) {
    .gift-strip { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-7); }
    .gift-strip__text { max-width: 44rem; }
}

/* Enterprise strip */
.enterprise-strip {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    background: var(--ink-deep);
    color: #FFFFFF;
    border-radius: var(--radius-xl);
    padding: clamp(1.75rem, 4vw, 3rem);
}
.enterprise-strip h2 { color: #FFFFFF; }
.enterprise-strip p { color: #C9C2EA; }
.enterprise-strip__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
}
@media (min-width: 900px) {
    .enterprise-strip { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-7); }
    .enterprise-strip__text { max-width: 46rem; }
}

/* --------------------------------------------------------------------------
   13. CTA band & footer
   -------------------------------------------------------------------------- */
.cta-band {
    background: var(--ink-deep);
    color: #FFFFFF;
    text-align: center;
}
.cta-band h2 { color: #FFFFFF; }
.cta-band p { color: #C9C2EA; }
.cta-band .stack { align-items: center; }

.site-footer { background: var(--surface); border-top: 1px solid var(--line-soft); }
.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}
.site-footer__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
.site-footer h3 {
    font-family: var(--font-display);
    font-size: var(--step-0);
    font-weight: 600;
    letter-spacing: 0;
    margin-bottom: var(--space-3);
}
.site-footer ul { display: flex; flex-direction: column; gap: var(--space-3); }
.site-footer a { color: var(--ink-soft); text-decoration: none; font-size: var(--step-0); }
.site-footer a:hover { color: var(--purple-700); }
.site-footer__base {
    margin-top: var(--space-7);
    padding-top: var(--space-5);
    border-top: 1px solid var(--line-soft);
    font-size: var(--step--1);
    color: var(--ink-ghost);
}
@media (min-width: 900px) {
    .site-footer__grid { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-9); }
    .site-footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-9); }
}

/* --------------------------------------------------------------------------
   14. Meet Bixie — floating CTA panel
   -------------------------------------------------------------------------- */
.meet {
    position: fixed;
    right: clamp(0.75rem, 2vw, 1.75rem);
    bottom: clamp(0.75rem, 2vw, 1.75rem);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-3);
}

.meet__bubble {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border: none;
    border-radius: var(--radius-pill);
    background: var(--purple-600);
    color: #FFFFFF;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: transform 0.18s ease, background-color 0.18s ease;
}
.meet__bubble:hover { background: var(--purple-800); transform: scale(1.04); }

.meet__panel {
    display: none;
    flex-direction: column;
    gap: var(--space-3);
    width: min(20rem, calc(100vw - 2rem));
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-4) var(--space-5);
    box-shadow: var(--shadow-lg);
}
.meet.is-open .meet__panel { display: flex; }

.meet__close {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
    cursor: pointer;
}

.meet__avatar {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 140px;
    border-radius: var(--radius-md);
    background: var(--purple-200);
    color: var(--purple-600);
}
.meet__avatar-note {
    position: absolute;
    bottom: 0.6rem;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 0.7rem;
    color: #7A72A3;
    background: rgba(255, 255, 255, 0.9);
    border: 1px dashed #A99FE0;
    border-radius: var(--radius-pill);
    padding: 0.1rem 0.7rem;
}

.meet__intro { text-align: center; }
.meet__intro strong { display: block; font-family: var(--font-display); font-size: var(--step-0); font-weight: 600; }
.meet__intro span { font-size: 0.8rem; color: var(--ink-faint); }

.meet__actions { display: flex; flex-direction: column; gap: var(--space-2); }
.meet__actions .btn { min-height: 46px; font-size: var(--step--1); }
.meet__actions .btn small { display: block; font-size: 0.7rem; font-weight: 500; color: #C9C2EA; }
.meet__actions .btn--dark { flex-direction: column; gap: 0; padding-block: 0.5rem; }

/* Open by default only on screens wide enough that the panel doesn't sit on
   top of the hero illustration. Narrower screens start as a bubble. */
@media (min-width: 1200px) {
    .meet__bubble { display: none; }
    .meet__panel { display: flex; }
    .meet.is-collapsed .meet__panel { display: none; }
    .meet.is-collapsed .meet__bubble { display: inline-flex; }
}

/* ==========================================================================
   15. Accounts and the Members Hub (phase 2)
   Built from the same tokens as everything above.
   ========================================================================== */

/* --- shared bits ---------------------------------------------------------- */
.site-header--slim .site-header__inner { min-height: 64px; }

.tier-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}
.tier-pill--free    { background: var(--purple-050); color: var(--purple-700); }
.tier-pill--basics  { background: var(--warn-bg);    color: var(--warn); }
.tier-pill--premium { background: var(--purple-100); color: var(--purple-700); }
.tier-pill--none    { background: var(--surface-mute); color: var(--ink-faint); }

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    background: var(--purple-600);
    color: #FFFFFF;
    font-weight: 700;
    font-size: var(--step--1);
}

.linklike {
    background: none;
    border: none;
    padding: 0;
    font-weight: 600;
    color: var(--ink-soft);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.linklike:hover { color: var(--ink); }

.crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--step--1);
    color: var(--ink-faint);
    margin-bottom: var(--space-5);
}
.crumbs a { color: var(--ink-faint); text-decoration: none; }
.crumbs a:hover { color: var(--purple-700); }

.flash {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    font-size: var(--step-0);
}
.flash p { margin: 0; }
.flash--good { background: var(--good-bg); color: var(--good); }
.flash--good svg { flex-shrink: 0; margin-top: 0.15rem; }

/* --- progress bar --------------------------------------------------------- */
.progress {
    display: block;
    flex-grow: 1;
    height: 8px;
    border-radius: var(--radius-pill);
    background: var(--line-soft);
    overflow: hidden;
}
.progress__bar {
    display: block;
    height: 100%;
    border-radius: var(--radius-pill);
    background: var(--purple-600);
}
.progress-row { display: flex; align-items: center; gap: var(--space-3); }

/* --- auth screens --------------------------------------------------------- */
.auth {
    display: flex;
    justify-content: center;
    padding: clamp(2rem, 6vw, 4.5rem) var(--gutter);
    background: var(--surface-mute);
    min-height: 70vh;
}
.auth__card {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    width: 100%;
    max-width: 27rem;
    align-self: flex-start;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 4vw, 2.25rem);
    box-shadow: var(--shadow-sm);
}
.auth__card--centered { text-align: center; }
.auth__alt { font-size: var(--step-0); color: var(--ink-soft); text-align: center; }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-weight: 600; font-size: var(--step-0); }
.field input {
    min-height: 48px;
    padding: 0.7rem 0.95rem;
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: var(--step-0);
}
.field input:focus-visible { border-color: var(--purple-600); }
.field input[aria-invalid="true"] { border-color: #C0392B; }
.field__hint { font-size: var(--step--1); color: var(--ink-faint); }
.field__error { font-size: var(--step--1); color: #C0392B; font-weight: 600; }

.form-error {
    background: #FCEDEB;
    color: #A5342A;
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: var(--step-0);
    font-weight: 600;
}

/* --- dashboard ------------------------------------------------------------ */
.continue-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}
.continue-card__art {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 96px;
    border-radius: var(--radius-md);
    background: var(--purple-200);
    color: var(--purple-700);
    flex-shrink: 0;
}
@media (min-width: 760px) {
    .continue-card { flex-direction: row; align-items: center; gap: var(--space-5); }
    .continue-card__art { width: 180px; height: 108px; }
}

.upgrade-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
    background: var(--purple-050);
    border: 1px solid #E1DBF6;
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
}
.upgrade-banner p { flex: 1 1 18rem; margin: 0; font-size: var(--step-0); color: var(--ink-soft); }
.upgrade-banner strong { color: var(--ink); }
.upgrade-banner__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--purple-700);
    flex-shrink: 0;
}

.course-card__art { position: relative; }
.course-card__lock {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(36, 31, 58, 0.78);
    color: #FFFFFF;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-pill);
}

/* --- lesson lists --------------------------------------------------------- */
.lesson-list {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.lesson-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--line-soft);
}
.lesson-row:last-child { border-bottom: none; }
.lesson-row--locked { background: var(--surface-page); }
.lesson-row__body { display: flex; flex-direction: column; gap: 0.15rem; flex-grow: 1; min-width: 0; }
.lesson-row__title { font-weight: 600; color: var(--ink); text-decoration: none; }
a.lesson-row__title:hover { color: var(--purple-700); }
.lesson-row--locked .lesson-row__title { color: var(--ink-faint); }
.lesson-row__lock { color: var(--ink-ghost); flex-shrink: 0; }
.lesson-row__marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--line-strong);
    font-size: var(--step--1);
    font-weight: 700;
    color: var(--ink-faint);
}
.lesson-row__marker.is-done {
    background: var(--good-bg);
    border-color: var(--good-bg);
    color: var(--good-ink);
}

/* --- lesson page ---------------------------------------------------------- */
.lesson-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: start; }
@media (min-width: 1000px) {
    .lesson-layout { grid-template-columns: minmax(0, 1fr) 22rem; gap: var(--space-7); }
}

.player {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-xl);
    background: #1D1930;
    color: #FFFFFF;
    overflow: hidden;
}
.player iframe { width: 100%; height: 100%; border: 0; display: block; }
.player--locked,
.player--empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    text-align: center;
    padding: var(--space-5);
}
.player--empty { background: var(--purple-050); color: var(--ink-soft); }
.player--empty .player__lock { color: var(--purple-200); }
.player p { margin: 0; font-size: var(--step-0); }
.player__note {
    font-size: 0.75rem;
    color: #7A72A3;
    border: 1px dashed #A99FE0;
    border-radius: var(--radius-pill);
    padding: 0.15rem 0.75rem;
}

.lesson-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}
.lesson-actions__nav { display: flex; gap: var(--space-2); }

.playlist {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.playlist__head { padding: var(--space-5); border-bottom: 1px solid var(--line-soft); }
.playlist ol { display: flex; flex-direction: column; }
.playlist__row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--surface-tint);
    font-size: var(--step-0);
}
.playlist__row:last-child { border-bottom: none; }
.playlist__row a { color: var(--ink); text-decoration: none; flex-grow: 1; }
.playlist__row a:hover { color: var(--purple-700); }
.playlist__row.is-current { background: var(--purple-050); }
.playlist__row.is-current a { font-weight: 700; }
.playlist__title { flex-grow: 1; color: var(--ink); text-decoration: none; }
a.playlist__title:hover { color: var(--purple-700); }
.playlist__row.is-locked .playlist__title { color: var(--ink-faint); }
.playlist__lock { color: var(--ink-ghost); flex-shrink: 0; display: inline-flex; }
.playlist__row .lesson-row__marker { width: 26px; height: 26px; }

/* --- downloads ------------------------------------------------------------ */
.file-list {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.file-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--line-soft);
}
.file-row:last-child { border-bottom: none; }
.file-row--locked .file-row__title { color: var(--ink-faint); }
.file-row__title { font-weight: 600; }
.file-row__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: var(--purple-050);
    color: var(--purple-700);
}

/* --- account -------------------------------------------------------------- */
.detail-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--line-soft);
    font-size: var(--step-0);
}
.detail-row:last-of-type { border-bottom: none; padding-bottom: 0; }

.stat-row { display: flex; flex-wrap: wrap; gap: var(--space-7); }
.stat { display: flex; flex-direction: column; gap: 0.15rem; }
.stat__figure {
    font-family: var(--font-display);
    font-size: var(--step-5);
    font-weight: 700;
    line-height: 1;
    color: var(--ink);
}

/* ==========================================================================
   16. Back office (phase 4)
   Sidebar frame, tables and forms. Same tokens as the rest of the site.
   ========================================================================== */

.has-admin { background: var(--surface-mute); }

.admin { display: flex; flex-direction: column; min-height: 100vh; }

/* --- sidebar -------------------------------------------------------------- */
.admin__side {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    background: var(--ink-deep);
    color: #FFFFFF;
    padding: var(--space-4) var(--space-4) var(--space-5);
}

.admin__brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: #FFFFFF;
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
}
.admin__brand .brand__word { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.03em; }
.admin__tag {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #B7ABF3;
    margin-left: 0.15rem;
}

.admin__nav { display: flex; flex-direction: column; gap: 0.15rem; }
.admin__nav a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 44px;
    padding: 0.6rem var(--space-3);
    border-radius: var(--radius-md);
    color: #C9C2EA;
    font-size: var(--step-0);
    font-weight: 500;
    text-decoration: none;
}
.admin__nav a:hover { background: rgba(255, 255, 255, 0.08); color: #FFFFFF; }
.admin__nav a.is-current { background: rgba(255, 255, 255, 0.14); color: #FFFFFF; font-weight: 600; }
.admin__nav svg { flex-shrink: 0; }

.admin__who {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    margin-top: auto;
}
.admin__who-name { font-size: var(--step--1); font-weight: 600; }
.admin__who-role { font-size: 0.72rem; color: #B7ABF3; }

/* --- main column ---------------------------------------------------------- */
.admin__main { display: flex; flex-direction: column; flex-grow: 1; min-width: 0; }

.admin__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: var(--space-4) clamp(1rem, 3vw, 2rem);
}
.admin__title { font-size: var(--step-3); font-weight: 600; margin: 0; }
.admin__top-actions { display: flex; align-items: center; gap: var(--space-4); }

.admin__body {
    flex-grow: 1;
    padding: clamp(1.25rem, 3vw, 2rem);
    max-width: 76rem;
    width: 100%;
}

@media (min-width: 900px) {
    .admin { flex-direction: row; }
    .admin__side {
        width: 248px;
        flex-shrink: 0;
        min-height: 100vh;
        position: sticky;
        top: 0;
        align-self: flex-start;
        height: 100vh;
    }
}

/* --- notice --------------------------------------------------------------- */
.admin-notice {
    background: var(--good-bg);
    color: var(--good);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: var(--step-0);
    font-weight: 600;
    margin-bottom: var(--space-5);
}

/* --- stat tiles ----------------------------------------------------------- */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: var(--space-4);
}
.admin-stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
}
.admin-stat__figure {
    font-family: var(--font-display);
    font-size: var(--step-5);
    font-weight: 700;
    line-height: 1.1;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

/* --- panels --------------------------------------------------------------- */
.admin-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.admin-panel__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--line-soft);
}
.admin-panel__head:last-child { border-bottom: none; }
.admin-empty { padding: var(--space-5); color: var(--ink-faint); font-size: var(--step-0); }

/* --- tables --------------------------------------------------------------- */
.table-scroll { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: var(--step-0); }
.admin-table th {
    text-align: left;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-faint);
    background: var(--surface-page);
    padding: 0.7rem var(--space-5);
    border-bottom: 1px solid var(--line-soft);
    white-space: nowrap;
}
.admin-table td {
    padding: 0.85rem var(--space-5);
    border-bottom: 1px solid var(--line-soft);
    vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table a { color: var(--ink); font-weight: 600; text-decoration: none; }
.admin-table a:hover { color: var(--purple-700); }

/* --- forms ---------------------------------------------------------------- */
.admin-form__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-5);
}
@media (min-width: 700px) {
    .admin-form__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.admin-form__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: 0 var(--space-5) var(--space-5);
}

.field textarea,
.field select {
    min-height: 48px;
    padding: 0.7rem 0.95rem;
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: var(--step-0);
}
.field textarea { min-height: 5rem; resize: vertical; }
.field--check label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 500;
}
.field--check input { width: 20px; height: 20px; }

.inline-form { display: inline-flex; align-items: center; gap: var(--space-2); }
.inline-form select {
    min-height: 38px;
    padding: 0.3rem 0.6rem;
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: var(--step--1);
    background: var(--surface);
    color: var(--ink);
}

.admin-search {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}
.admin-search input {
    flex: 1 1 18rem;
    min-height: 44px;
    padding: 0.6rem 0.95rem;
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-md);
    background: var(--surface);
    font: inherit;
    font-size: var(--step-0);
    color: var(--ink);
}

.admin-danger {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    background: #FCEDEB;
    border: 1px solid #F3D6D1;
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
}
.admin-danger strong { color: #A5342A; }
.admin-danger .btn { border-color: #E0B6AF; color: #A5342A; background: var(--surface); }

.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;
}