/* ============================================================
   Train Landing — Matched to Planner / DNA aesthetic
   Font: Bitter (display) + DM Sans (body)
   Accent: Learn Phase Red (#E54D4D)
   Pattern: Warm paper + 24px grid overlay
   ============================================================ */

:root {
    /* Core palette — matching planner/DNA warm paper system */
    --color-paper: #FAF7F2;
    --color-paper-dark: #F0EBE3;
    --color-kraft: #D4C4A8;
    --color-ink: #2C2416;
    --color-ink-light: #5C5242;
    --color-pencil: #78716C;
    --color-white: #FFFFFF;
    --color-border: rgba(44, 36, 22, 0.12);
    --color-border-dark: rgba(44, 36, 22, 0.2);

    /* Training accent (Learn phase red) */
    --color-accent: var(--phase-learn, #E54D4D);
    --color-accent-light: var(--phase-learn-light, #FEE2E2);
    --color-accent-dark: var(--phase-learn-dark, #C73E3E);
    --color-accent-bg: var(--phase-learn-very-light, #FEF2F2);

    /* CTA accent (red — from wireframes) */
    --color-cta: #E54D4D;
    --color-cta-dark: #C73E3E;
    --color-cta-light: #FEE2E2;

    /* Dark band */
    --color-dark: #1A1A1A;
    --color-dark-surface: #242424;

    /* Typography — aligned with platform fonts (Fraunces/Inter)
       Migrated from Bitter/DM Sans in v1.7. */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Layout */
    --container-max: 1140px;
    --container-padding: 32px;
    --section-spacing: 80px;

    /* Effects — matching planner/DNA warm shadows */
    --shadow-paper: 0 1px 3px rgba(44, 36, 22, 0.08), 0 4px 12px rgba(44, 36, 22, 0.06);
    --shadow-card: 0 2px 8px rgba(44, 36, 22, 0.1), 0 8px 24px rgba(44, 36, 22, 0.08);
    --shadow-elevated: 0 8px 32px rgba(44, 36, 22, 0.15), 0 16px 48px rgba(44, 36, 22, 0.1);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    /* Override nav active color */
    --nav-active-color: var(--training-primary, #E54D4D);
}


/* ── Reset & Base ─────────────────────────── */

/* box-sizing globally, but scope margin/padding reset to training content only */
*, *::before, *::after { box-sizing: border-box; }
:where(.app-main) :where(*:not([class*="ws-"]):not([class*="tr-"])),
:where(.app-main) :where(*::before),
:where(.app-main) :where(*::after) { margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    color: var(--color-ink);
    background: var(--color-paper);
    overflow-x: hidden;
    position: relative;
}

/* Grid on hero only */
.tr-hero {
    position: relative;
}

.tr-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

/* White background below hero */
.tr-sections {
    background: var(--color-white);
}

/* Break content out of the app-container wrapper from header.php */
.app-main > .app-container { max-width: 100%; padding: 0; }
.app-main { flex: 1; padding: 0; }

.app-main .tr-container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 1;
}

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


/* ── Animations ──────────────────────────── */

@keyframes trFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes trShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(2px); }
}

@keyframes trSuccessIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes trCardShow {
    from { opacity: 0; transform: translateY(8px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}


/* ============================================================
   HERO — Matching planner/DNA 2-col hero pattern
   ============================================================ */

.tr-hero {
    padding: 48px 0 56px;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

/* Grid pattern overlay on hero */
.tr-hero__pattern {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background-image:
        linear-gradient(rgba(44,36,22,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(44,36,22,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.tr-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.tr-hero__content {
    max-width: 540px;
}

/* Staggered hero animation */
.tr-hero__badge    { animation: trFadeUp 0.6s var(--ease-out) 0s both; }
.tr-hero__title    { animation: trFadeUp 0.6s var(--ease-out) 0.1s both; }
.tr-hero__sub      { animation: trFadeUp 0.6s var(--ease-out) 0.2s both; }
.tr-hero__actions  { animation: trFadeUp 0.6s var(--ease-out) 0.3s both; }
.tr-hero__stats    { animation: trFadeUp 0.6s var(--ease-out) 0.4s both; }
.tr-hero__visual   { animation: trFadeUp 0.6s var(--ease-out) 0.2s both; }

/* Badge — matching platform hero badge pattern */
.tr-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--phase-learn-light, #FEE2E2);
    color: var(--phase-learn, #E54D4D);
    border: 1px solid var(--phase-learn-light, #FEE2E2);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-md, 8px);
    width: fit-content;
    margin-bottom: 24px;
}

.tr-hero__badge .material-symbols-outlined { font-size: 16px; }

/* Title — matching planner/DNA hero title */
.tr-hero__title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-ink);
    margin-bottom: 20px;
    letter-spacing: -0.025em;
}

.tr-hero__title strong {
    font-weight: 700;
}

/* Accent text with underline — the planner/DNA signature */
.tr-hero__title-accent {
    color: var(--color-accent);
    font-style: italic;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--color-accent-light);
    text-decoration-thickness: 8px;
    text-underline-offset: 4px;
}

.tr-hero__sub {
    font-size: 18px;
    color: var(--color-ink-light);
    line-height: 1.65;
    margin-bottom: 32px;
}

.tr-hero__actions {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.tr-hero__actions .ws-btn {
    padding: 16px 28px;
    font-size: var(--text-small, 16px);
    border-radius: 8px;
}

/* ── Hero stats — matching planner/DNA stat row ── */
.tr-hero__stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.tr-hero__stat { text-align: center; }

.tr-stat__number {
    display: block;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.2;
}

.tr-stat__label {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-pencil);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tr-hero__stat-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border-dark);
}

/* ── Hero visual ── */
.tr-hero__visual {
    display: flex;
    justify-content: center;
}

.tr-hero__visual img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-elevated);
}


/* ============================================================
   CARD SECTIONS — Open by default, no accordion
   ============================================================ */

.tr-sections {
    padding: 0;
}

/* Scroll-reveal base state */
.tr-card-section,
.tr-capture {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.tr-card-section.is-visible,
.tr-capture.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.tr-card-section {
    padding: 12px 0;
    scroll-margin-top: 80px;
}

.tr-card-section:first-child {
    padding-top: 24px;
}

.tr-card-section:last-child {
    padding-bottom: 12px;
}

.tr-card-section > .tr-container {
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px;
    background: #fff;
}

/* ── Section Header ── */
.tr-card-section__header {
    margin-bottom: 36px;
}

/* Section label badges — now use ws-badge, add spacing */
.tr-card-section__header .ws-badge {
    margin-bottom: 8px;
}

.tr-card-section__title {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    line-height: 1.15;
}

.tr-card-section__desc {
    font-size: 15px;
    color: var(--color-pencil);
    line-height: 1.55;
    max-width: 540px;
}


/* ============================================================
   ACCORDION SECTIONS
   ============================================================ */
.tr-accordion__trigger {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
    gap: 16px;
}

.tr-accordion__trigger:hover .tr-card-section__title {
    color: var(--color-accent);
}

.tr-accordion__trigger .tr-card-section__header {
    margin-bottom: 0;
}

.tr-accordion__chevron {
    font-size: 28px;
    color: var(--color-pencil);
    transition: transform 0.3s var(--ease-out);
    flex-shrink: 0;
    margin-top: 4px;
}

.tr-accordion__trigger[aria-expanded="true"] .tr-accordion__chevron {
    transform: rotate(180deg);
}

.tr-accordion__body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s var(--ease-out), margin-top 0.35s var(--ease-out);
    margin-top: 0;
}

.tr-accordion__inner {
    overflow: hidden;
}

.tr-accordion.is-open .tr-accordion__body {
    grid-template-rows: 1fr;
    margin-top: 36px;
}

/* ── Book Stack Teaser (inline with accordion trigger) ── */
.tr-accordion__trigger--with-stack {
    align-items: center;
    flex-wrap: nowrap;
}

.tr-accordion__trigger--with-stack .tr-card-section__header {
    flex: 1;
    min-width: 0;
}

/* Hide the chevron — the stack replaces it visually */
.tr-accordion__trigger--with-stack > .tr-accordion__chevron {
    display: none;
}

.tr-book-stack {
    flex-shrink: 0;
    position: relative;
    width: 280px;
    height: 190px;
    transition: opacity 0.3s ease;
}

/* Hide when section is expanded */
.tr-accordion.is-open .tr-book-stack {
    opacity: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}
.tr-accordion.is-open .tr-accordion__trigger--with-stack > .tr-accordion__chevron {
    display: block;
}

.tr-book-stack__books {
    position: absolute;
    inset: 0;
}

.tr-book-stack__book {
    position: absolute;
    width: 100px;
    height: 140px;
    border-radius: 3px 6px 6px 3px;
    overflow: hidden;
    left: 50%;
    top: 50%;
    margin-left: -50px;
    margin-top: -70px;
    box-shadow:
        -2px 2px 8px rgba(0,0,0,0.2),
        -1px 1px 3px rgba(0,0,0,0.12);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform:
        translateX(calc((var(--i) - 2) * 38px))
        translateY(calc((var(--i) - 2) * (var(--i) - 2) * 2px))
        rotate(calc((var(--i) - 2) * 5deg));
    z-index: calc(var(--i) + 1);
}

.tr-book-stack__book img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Spine edge */
.tr-book-stack__book::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to right, rgba(0,0,0,0.18), transparent);
    z-index: 2;
}

/* Page edge */
.tr-book-stack__book::after {
    content: '';
    position: absolute;
    right: 0;
    top: 3px;
    bottom: 3px;
    width: 2px;
    background: repeating-linear-gradient(to bottom, #e8e4df 0px, #d4d0cb 1px, #e8e4df 2px);
    border-radius: 0 2px 2px 0;
    z-index: 2;
}

/* Hover: fan out wider */
.tr-accordion__trigger--with-stack:hover .tr-book-stack__book {
    transform:
        translateX(calc((var(--i) - 2) * 48px))
        translateY(calc((var(--i) - 2) * (var(--i) - 2) * 1px))
        rotate(calc((var(--i) - 2) * 6deg));
}

/* "5 free books" label — sits inside header, below desc */
.tr-book-stack__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-pencil);
    opacity: 0.6;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.tr-accordion__trigger--with-stack:hover .tr-book-stack__label {
    opacity: 1;
    color: var(--color-accent);
}

/* Hide label when expanded */
.tr-accordion.is-open .tr-book-stack__label {
    display: none;
}

/* Mobile: stack below text */
@media (max-width: 700px) {
    .tr-accordion__trigger--with-stack {
        flex-wrap: wrap;
    }
    .tr-book-stack {
        width: 100%;
        height: 150px;
    }
    .tr-book-stack__book {
        width: 80px;
        height: 112px;
        margin-left: -40px;
        margin-top: -56px;
        transform:
            translateX(calc((var(--i) - 2) * 32px))
            translateY(calc((var(--i) - 2) * (var(--i) - 2) * 2px))
            rotate(calc((var(--i) - 2) * 4deg));
    }
}


/* ============================================================
   SECTION TEASER — collapsed preview image
   ============================================================ */

.tr-section-teaser {
    flex-shrink: 0;
    width: 280px;
}

.tr-section-teaser img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.tr-accordion.is-open .tr-section-teaser {
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, width 0.3s ease;
}

/* Hide chevron on sections with teaser image */
#toolkits .tr-accordion__chevron,
#paths .tr-accordion__chevron {
    display: none;
}

@media (max-width: 700px) {
    .tr-section-teaser {
        width: 100%;
        max-width: 200px;
    }
}


/* ============================================================
   LEARN CARDS — Book grid (replaces old book-card rows)
   ============================================================ */

.tr-learn-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.tr-learn-card {
    display: flex;
    flex-direction: column;
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: var(--color-ink);
    transition: all 0.3s var(--ease-out);
}

.tr-learn-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: var(--color-accent);
}

.tr-learn-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.tr-learn-card--coming {
    opacity: 0.55;
    pointer-events: none;
}

.tr-learn-card__cover {
    padding: 20px 20px 0;
    display: flex;
    justify-content: center;
}

.tr-learn-card__cover img {
    width: 100%;
    max-width: 140px;
    height: auto;
    border-radius: 4px;
    box-shadow: var(--shadow-paper);
    transition: transform 0.3s var(--ease-out);
}

.tr-learn-card:hover .tr-learn-card__cover img {
    transform: translateY(-3px);
}

.tr-learn-card__placeholder {
    width: 100%;
    max-width: 140px;
    aspect-ratio: 0.7;
    background: var(--color-paper-dark);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-paper);
}

.tr-learn-card__placeholder .material-symbols-outlined {
    font-size: 32px;
    color: var(--color-accent);
    opacity: 0.4;
}

.tr-learn-card__placeholder--muted .material-symbols-outlined {
    color: var(--color-pencil);
}

.tr-learn-card__body {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.tr-learn-card__title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 6px;
    line-height: 1.3;
}

.tr-learn-card__subtitle {
    font-size: 13px;
    color: var(--color-pencil);
    line-height: 1.45;
    margin-bottom: auto;
}

.tr-learn-card__meta {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-kraft);
    letter-spacing: 0.02em;
    margin-top: 12px;
}

.tr-learn-card__notify-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    width: 160px;
    justify-content: center;
    align-self: center;
    margin-top: 12px;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-body);
    letter-spacing: 0.02em;
    white-space: nowrap;
    color: var(--color-accent-dark);
    background: var(--color-accent-light);
    border: 1.5px solid var(--color-accent);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.tr-learn-card__notify-btn .material-symbols-outlined {
    font-size: 16px;
}
.tr-learn-card__notify-btn:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(229, 77, 77, 0.25);
}
.tr-learn-card__more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    align-self: center;
    margin-top: 8px;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-body);
    letter-spacing: 0.02em;
    white-space: nowrap;
    color: var(--color-ink);
    background: transparent;
    border: 1.5px solid var(--color-border-dark);
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.tr-learn-card__more-btn:hover {
    background: var(--color-ink);
    color: var(--color-white);
    border-color: var(--color-ink);
    transform: translateY(-1px);
}
.tr-learn-card__more-btn--green {
    color: var(--color-white);
    background: var(--color-accent);
    border-color: var(--color-accent);
}
.tr-learn-card__more-btn--green:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
}


/* ============================================================
   BOOK NOTIFY MODAL
   ============================================================ */

.tr-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}

.tr-modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.tr-modal {
    background: var(--color-white);
    border-radius: 20px;
    padding: 40px 36px 32px;
    max-width: 420px;
    width: calc(100% - 32px);
    position: relative;
    text-align: center;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
    transform: translateY(16px) scale(0.97);
    transition: transform 0.3s var(--ease-out);
}

.tr-modal-overlay.is-open .tr-modal {
    transform: translateY(0) scale(1);
}

.tr-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    background: none;
    border: none;
    color: var(--color-pencil);
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.tr-modal__close:hover {
    background: var(--color-paper-dark);
    color: var(--color-ink);
}

.tr-modal__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.tr-modal__icon .material-symbols-outlined {
    font-size: 28px;
    color: var(--color-accent-dark);
}

.tr-modal__title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 8px;
}

.tr-modal__desc {
    font-size: 14px;
    color: var(--color-pencil);
    line-height: 1.55;
    margin-bottom: 24px;
}

.tr-modal__form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tr-modal__input {
    padding: 14px 16px;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    color: var(--color-ink);
    background: var(--color-white);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.tr-modal__input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(229, 77, 77, 0.12);
}

.tr-modal__input.is-error {
    border-color: var(--color-cta);
    box-shadow: 0 0 0 3px rgba(229, 77, 77, 0.12);
}

.tr-btn--full,
.ws-btn--full {
    width: 100%;
    justify-content: center;
}

.tr-modal__error {
    font-size: 13px;
    color: var(--color-cta);
    min-height: 20px;
}

.tr-modal__note {
    font-size: 12px;
    color: var(--color-pencil);
    margin-top: 4px;
}

.tr-modal__success {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 0 8px;
}

.tr-modal__success.is-active {
    display: flex;
    animation: trSuccessIn 0.5s var(--ease-out) both;
}

.tr-modal__success .material-symbols-outlined {
    font-size: 40px;
    color: var(--color-accent);
}

.tr-modal__success span:last-child {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-ink);
}

@keyframes trSuccessIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ============================================================
   BOOK CARDS — Inside Learn accordion
   Matching planner/DNA card aesthetic
   ============================================================ */

.tr-book-card {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 32px;
    align-items: start;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

.tr-book-card:last-child { border-bottom: none; }

.tr-book-card--coming { opacity: 0.55; }

.tr-book-card__cover img {
    width: 100%;
    border-radius: 6px;
    box-shadow: var(--shadow-paper);
    transition: transform 0.3s var(--ease-out);
}

.tr-book-card:hover .tr-book-card__cover img {
    transform: translateY(-3px) rotateY(-3deg);
}

.tr-book-card__placeholder {
    width: 100%;
    aspect-ratio: 0.7;
    background: var(--color-paper-dark);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-paper);
}

.tr-book-card__placeholder .material-symbols-outlined {
    font-size: 36px;
    color: var(--color-accent);
    opacity: 0.4;
}

.tr-book-card__placeholder--muted .material-symbols-outlined {
    color: var(--color-pencil);
}

.tr-book-card__title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 4px;
    line-height: 1.25;
}

.tr-book-card__subtitle {
    font-size: 14px;
    color: var(--color-pencil);
    font-style: italic;
    margin-bottom: 12px;
}

.tr-book-card__text {
    font-size: 15px;
    color: var(--color-ink-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.tr-book-card__meta {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-pencil);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}


/* ============================================================
   TOOLKIT CARDS — Inside Toolkits accordion
   Matching planner/DNA feature card style
   ============================================================ */

.tr-toolkits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding-top: 20px;
}

.tr-toolkit-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    text-decoration: none;
    color: var(--color-ink);
    transition: all 0.3s var(--ease-out);
    position: relative;
    z-index: 1;
}

.tr-toolkit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: var(--color-accent);
}

.tr-toolkit-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.tr-toolkit-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--tk-accent, var(--color-accent)) 12%, white);
    color: var(--tk-accent, var(--color-accent));
}

.tr-toolkit-card__icon .material-symbols-outlined { font-size: 24px; }

.tr-toolkit-card__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 17px;
    color: var(--color-ink);
}

.tr-toolkit-card__desc {
    font-size: 15px;
    color: var(--color-pencil);
    line-height: 1.55;
}

.tr-toolkit-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: auto;
    transition: gap 0.2s var(--ease-out);
}

.tr-toolkit-card__link .material-symbols-outlined { font-size: 16px; }
.tr-toolkit-card:hover .tr-toolkit-card__link { gap: 10px; }


/* ============================================================
   PATH CARDS — Inside Paths accordion
   ============================================================ */

.tr-paths-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding-top: 20px;
}

.tr-path-card {
    position: relative;
    z-index: 1;
    padding: 28px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all 0.3s var(--ease-out);
}

.tr-path-card--coming { opacity: 0.7; }

/* Path card badge — now uses ws-badge, just needs positioning */
.tr-path-card .ws-badge {
    position: absolute;
    top: 14px;
    left: 14px;
}

.tr-path-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: color-mix(in srgb, #E54D4D 12%, white);
    color: #E54D4D;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    margin-top: 16px;
}

.tr-path-card__icon .material-symbols-outlined {
    font-size: 24px;
    color: #E54D4D;
}

.tr-path-card__title {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
    line-height: 1.25;
}

.tr-path-card__desc {
    font-size: 14px;
    color: var(--color-pencil);
    line-height: 1.55;
    margin-bottom: 12px;
}

.tr-path-card__meta {
    font-size: 12px;
    color: var(--color-kraft);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.tr-paths-waitlist {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
}

.tr-paths-waitlist p {
    font-size: 15px;
    color: var(--color-ink-light);
    font-weight: 500;
}


/* ============================================================
   EMAIL CAPTURE — CTA gradient band (matching planner/DNA)
   ============================================================ */

.tr-capture {
    padding: var(--section-spacing) 0;
    background: var(--color-dark);
    position: relative;
    overflow: hidden;
    z-index: 1;
    scroll-margin-top: 80px;
}

/* Grid pattern on CTA — subtle on dark */
.tr-capture__pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.tr-capture__inner {
    position: relative;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.tr-capture__title {
    font-family: var(--font-display);
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
    line-height: 1.2;
}

.tr-capture__sub {
    font-size: 16px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
    margin-bottom: 36px;
}

.tr-capture__form {
    display: flex;
    gap: 10px;
    max-width: 460px;
    margin: 0 auto 16px;
}

.tr-capture__input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    background: var(--color-dark-surface);
    color: var(--color-white);
    font-family: inherit;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.tr-capture__input::placeholder { color: rgba(255,255,255,0.35); }

.tr-capture__input:focus {
    border-color: rgba(255,255,255,0.4);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.08);
}

.tr-capture__input.is-error {
    border-color: rgba(229,77,77,0.7);
    box-shadow: 0 0 0 3px rgba(229,77,77,0.2);
}

.tr-capture__error {
    font-size: 13px;
    color: var(--color-cta-light);
    margin-top: 8px;
    min-height: 20px;
}

.tr-capture__checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    margin-top: 12px;
}
.tr-capture__checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent, #E54D4D);
    cursor: pointer;
}

.tr-capture__note {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}

.tr-capture__success {
    display: none;
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
}

.tr-capture__success.is-active {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    animation: trSuccessIn 0.5s var(--ease-out) both;
}

.tr-capture__success .material-symbols-outlined {
    font-size: 24px;
}



/* ============================================================
   BUTTONS — Matching planner/DNA button system
   ============================================================ */

.tr-btn, .ws-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 15px;
    padding: 14px 24px;
    border-radius: 10px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.25s var(--ease-out);
}

.tr-btn .material-symbols-outlined,
.ws-btn .material-symbols-outlined { font-size: 18px; }

.tr-btn--primary,
.ws-btn--primary {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(229, 77, 77, 0.25);
}

.tr-btn--primary:hover,
.ws-btn--primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(229, 77, 77, 0.35);
}

.tr-btn--primary:active,
.ws-btn--primary:active {
    transform: translateY(0) scale(0.97);
    transition-duration: 0.1s;
}

.tr-btn--secondary,
.ws-btn--secondary {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.tr-btn--secondary:hover,
.ws-btn--secondary:hover {
    background: var(--color-accent-bg);
    color: var(--color-accent-dark);
}

.tr-btn--outline,
.ws-btn--outline,
.ws-btn--ghost {
    background: transparent;
    color: var(--color-pencil);
    border: 1px solid var(--color-border-dark);
}

.tr-btn--outline:hover,
.ws-btn--outline:hover,
.ws-btn--ghost:hover {
    border-color: var(--color-ink-light);
    color: var(--color-ink);
}

.tr-btn--white,
.ws-btn--white {
    background: var(--color-cta);
    color: var(--color-white);
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(229, 77, 77, 0.3);
}

.tr-btn--white:hover,
.ws-btn--white:hover {
    background: var(--color-cta-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(229, 77, 77, 0.4);
}

.tr-btn--lg,
.ws-btn--lg {
    padding: 14px 28px;
    font-size: 15px;
}

.tr-btn--sm,
.ws-btn--sm {
    padding: 10px 20px;
    font-size: 14px;
}

.tr-btn:focus-visible,
.ws-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.tr-btn:disabled,
.ws-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}


/* ============================================================
   FOOTER
   ============================================================ */

.app-footer {
    padding: 48px 0 32px;
    margin-top: auto;
    border-top: none;
    color: rgba(255,255,255,0.4);
    font-size: 13px;
    text-align: center;
    background: var(--color-dark);
    position: relative;
    z-index: 1;
}

.app-footer a { color: rgba(255,255,255,0.5); }
.app-footer a:hover { color: rgba(255,255,255,0.7); }


/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
    .tr-hero__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .tr-hero { min-height: auto; padding: 48px 0; }

    .tr-hero__visual {
        max-width: 400px;
        margin: 0 auto;
    }

    .tr-learn-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 20px;
    }

    .tr-hero__sub { font-size: 16px; }
    .tr-hero__actions { flex-direction: column; }
    .tr-hero__stats { gap: 16px; }
    .tr-hero__stat-divider { height: 28px; }

    .tr-card-section { padding: 10px 0; }
    .tr-card-section > .tr-container { padding: 24px 20px; border-radius: 12px; }

    .tr-learn-grid { grid-template-columns: repeat(2, 1fr); }
    .tr-toolkits-grid { grid-template-columns: 1fr; }
    .tr-paths-grid { grid-template-columns: 1fr; }

    .tr-capture { padding: 56px 0; }
    .tr-capture__form { flex-direction: column; }

    .tr-paths-waitlist { flex-direction: column; align-items: flex-start; }
}


/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .tr-card-section,
    .tr-capture {
        opacity: 1;
        transform: none;
    }
}


/* ============================================================
   SHARED UTILITIES — Used by subpages (learn/, paths/)
   ============================================================ */

.page-header { margin-bottom: 40px; text-align: center; max-width: 700px; margin-left: auto; margin-right: auto; }
.page-header--left { text-align: left; max-width: 100%; margin-left: 0; }

.page-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 12px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.page-title em, .page-title span {
    color: var(--color-accent);
    font-style: italic;
    text-decoration: underline;
    text-decoration-color: var(--color-accent-light);
    text-decoration-thickness: 6px;
    text-underline-offset: 4px;
}

.page-subtitle {
    color: var(--color-ink-light);
    font-size: 18px;
    line-height: 1.6;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 8px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-ink);
}

/* Legacy train-book / train-toolkit classes (used by learn/ subpage) */
.train-books { display: flex; flex-direction: column; }

.train-book {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 16px;
    text-decoration: none;
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.15s, padding-left 0.2s;
}

.train-book:first-child { border-top: 1px solid var(--color-border); }
.train-book:hover { background: var(--color-accent-bg); padding-left: 24px; }
.train-book:hover .train-book__arrow { opacity: 1; transform: translateX(0); color: var(--color-accent); }
.train-book:hover .train-book__number { color: var(--color-accent); }

.train-book__number { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--color-kraft); min-width: 32px; transition: color 0.15s; }
.train-book__body { flex: 1; }
.train-book__title { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--color-ink); margin-bottom: 2px; line-height: 1.35; }
.train-book__meta { font-size: 12px; color: var(--color-pencil); }
.train-book__arrow { font-size: 20px; color: var(--color-kraft); opacity: 0; transform: translateX(-4px); transition: all 0.2s; }

.train-toolkits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 640px) { .train-toolkits { grid-template-columns: 1fr; } }

.train-toolkit {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    text-decoration: none;
    color: var(--color-ink);
    transition: all 0.3s var(--ease-out);
    position: relative;
    z-index: 1;
}

.train-toolkit:hover { border-color: var(--color-accent); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.train-toolkit:hover .train-toolkit__arrow { opacity: 1; color: var(--color-accent); }

.train-toolkit__icon { width: 44px; height: 44px; border-radius: 14px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: color-mix(in srgb, var(--tk-hue, var(--color-accent)) 12%, white); color: var(--tk-hue, var(--color-accent)); }
.train-toolkit__icon .material-symbols-outlined { font-size: 22px; }
.train-toolkit__body { flex: 1; min-width: 0; }
.train-toolkit__title { font-weight: 600; font-size: 14px; color: var(--color-ink); margin-bottom: 2px; }
.train-toolkit__desc { font-size: 13px; color: var(--color-pencil); line-height: 1.45; }
.train-toolkit__arrow { font-size: 18px; color: var(--color-kraft); opacity: 0; flex-shrink: 0; transition: all 0.15s; }

/* Legacy paths (used by paths/ subpage) */
.train-paths { display: flex; flex-direction: column; position: relative; padding-left: 32px; }
.train-paths::before { content: ''; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: var(--color-border-dark); border-radius: 1px; }

.train-path { display: flex; align-items: flex-start; gap: 20px; padding: 20px 0; position: relative; }
.train-path__marker { width: 40px; height: 40px; border-radius: 50%; background: var(--color-white); border: 2px solid var(--color-border-dark); display: flex; align-items: center; justify-content: center; flex-shrink: 0; position: relative; z-index: 1; margin-left: -32px; box-shadow: var(--shadow-paper); }
.train-path__marker .material-symbols-outlined { font-size: 20px; color: var(--color-pencil); }
.train-path__body { padding-top: 2px; }
.train-path__title { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--color-ink); margin-bottom: 4px; }
.train-path__desc { font-size: 14px; color: var(--color-pencil); line-height: 1.55; max-width: 520px; margin-bottom: 6px; }
.train-path__meta { font-size: 12px; color: var(--color-kraft); font-weight: 600; }

.train-notify { display: flex; align-items: center; gap: 20px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--color-border); }
.train-notify__text { font-size: 14px; color: var(--color-ink-light); font-weight: 500; }
@media (max-width: 480px) { .train-notify { flex-direction: column; align-items: flex-start; } }

/* Subpage focus */
.train-book:focus-visible,
.train-toolkit:focus-visible,
.train-path:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* Subpage badges */
.app-badge--training { background: var(--color-accent-light); color: var(--color-accent-dark); display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 10px; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }

/* Subpage utilities */
.mb-4 { margin-bottom: 16px; }
.mb-12 { margin-bottom: 48px; }
.max-w-900 { max-width: 900px; }
.text-caption { font-size: 12px; color: var(--color-pencil); }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.gap-4 { gap: 16px; }

.train-section__status { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 12px; border-radius: 10px; }
.train-section__status--soon { background: var(--color-paper-dark); color: var(--color-pencil); }

/* Subpage buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.25s var(--ease-out);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn .material-symbols-outlined { font-size: 18px; }
.btn--primary { background: var(--color-accent); color: var(--color-white); box-shadow: 0 4px 14px rgba(229, 77, 77, 0.25); }
.btn--primary:hover { background: var(--color-accent-dark); box-shadow: 0 8px 24px rgba(229, 77, 77, 0.35); transform: translateY(-2px); }


/* ============================================================
   BOOK DETAIL PAGES
   ============================================================ */


.book-detail {
    max-width: 900px;
    margin-left: 48px;
    margin-top: 32px;
    padding-bottom: 80px;
    position: relative;
}

@media (max-width: 768px) {
    .book-detail {
        margin-left: 20px;
        margin-right: 20px;
    }
}

.book-detail::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

/* ── Breadcrumb ── */
.book-detail__breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-pencil);
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.book-detail__breadcrumb a {
    color: var(--color-pencil);
    text-decoration: none;
    transition: color 0.2s;
}

.book-detail__breadcrumb a:hover { color: var(--color-accent); }
.book-detail__breadcrumb > span:last-child { font-weight: 600; color: var(--color-ink); }
.book-detail__breadcrumb .material-symbols-outlined { font-size: 16px; color: var(--color-border-dark); }

/* ── Hero ── */
.book-detail__hero {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 56px;
}

.book-detail__cover {
    position: sticky;
    top: 100px;
}

.book-detail__cover img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.book-detail__cover img:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-elevated);
}

.book-detail__series {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    background: var(--color-accent-light);
    padding: 6px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.book-detail__title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.book-detail__subtitle {
    font-size: 18px;
    color: var(--color-ink-light);
    line-height: 1.55;
    margin-bottom: 20px;
}

.book-detail__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--color-pencil);
    margin-bottom: 28px;
}

.book-detail__meta > span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.book-detail__meta .material-symbols-outlined { font-size: 18px; color: var(--color-accent); }

.book-detail__cta {
    width: 100%;
    max-width: 320px;
}

/* ── Email Capture Card ── */
.book-detail__capture {
    background: var(--color-white, #fff);
    border: 1px solid var(--color-border-dark);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.06);
    max-width: 480px;
    margin-top: 8px;
    position: relative;
    z-index: 1;
}

.book-detail__capture-title {
    font-family: var(--font-heading, 'DM Serif Display', serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink, #2C2416);
    margin-bottom: 16px;
}

.book-detail__capture-row {
    display: flex;
    gap: 10px;
}

.book-detail__capture-row input[type="email"] {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border, #E5DDD3);
    border-radius: 12px;
    font-size: 14px;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    color: var(--color-ink, #2C2416);
    background: var(--color-white, #fff);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.book-detail__capture-row input[type="email"]::placeholder {
    color: var(--color-pencil, #8A7E6B);
}

.book-detail__capture-row input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent, #E54D4D);
    box-shadow: 0 0 0 3px rgba(229, 77, 77, 0.15);
}

.book-detail__capture-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 20px;
    background: var(--color-accent, #E54D4D);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-body, 'DM Sans', sans-serif);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.book-detail__capture-btn:hover {
    background: var(--color-accent-dark, #C73E3E);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(229, 77, 77, 0.25);
}

.book-detail__capture-btn:active { transform: translateY(0); }

.book-detail__capture-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.book-detail__capture-btn .material-symbols-outlined {
    font-size: 18px;
}

.book-detail__capture-opt {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 12px;
    font-size: 12px;
    color: var(--color-pencil, #8A7E6B);
    cursor: pointer;
}

.book-detail__capture-opt input[type="checkbox"] {
    width: 16px;
    height: 16px;
    min-width: 16px;
    margin-top: 1px;
    accent-color: var(--color-accent, #E54D4D);
    cursor: pointer;
}

.book-detail__capture-msg {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.4;
    display: none;
    align-items: center;
    gap: 8px;
    animation: bookCaptureSlideIn 0.25s ease-out;
}

.book-detail__capture-msg.is-error {
    display: flex;
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.book-detail__capture-msg.is-success {
    display: flex;
    background: #F0FDF4;
    color: #166534;
    border: 1px solid #BBF7D0;
}

.book-detail__capture-msg .material-symbols-outlined {
    font-size: 16px;
    flex-shrink: 0;
}

.book-detail__capture-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: bookCaptureSpin 0.6s linear infinite;
}

@keyframes bookCaptureSlideIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bookCaptureSpin {
    to { transform: rotate(360deg); }
}

@media (max-width: 600px) {
    .book-detail__capture-row {
        flex-direction: column;
    }
    .book-detail__capture {
        max-width: 100%;
    }
}

/* ── Sections ── */
.book-detail__section {
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--color-border);
}

.book-detail__section:last-of-type { border-bottom: none; }

.book-detail__section-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

/* ── Prose ── */
.book-detail__prose p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-ink-light);
    margin-bottom: 16px;
}

.book-detail__prose p:last-child { margin-bottom: 0; }
.book-detail__prose em { font-style: italic; color: var(--color-ink); }

/* ── Outcomes ── */
.book-detail__outcomes {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.book-detail__outcomes li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-ink-light);
}

.book-detail__outcomes .material-symbols-outlined {
    font-size: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ── Chapters ── */
.book-detail__chapters {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.book-detail__chapters li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.book-detail__chapters li:first-child { padding-top: 0; }
.book-detail__chapters li:last-child { border-bottom: none; }

.book-detail__chapter-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--color-paper);
    color: var(--color-accent-dark);
    font-size: 14px;
    font-weight: 700;
    font-family: var(--font-body);
}

.book-detail__chapters h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 4px;
}

.book-detail__chapters p {
    font-size: 14px;
    color: var(--color-pencil);
    line-height: 1.5;
}

/* Part labels (Book 3) */
.book-detail__part-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-top: 32px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-accent-light);
}

.book-detail__part-label:first-child { margin-top: 0; }

/* ── Bonus ── */
.book-detail__bonus {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px 24px;
    margin-top: 16px;
    background: var(--color-accent-bg);
    border-radius: 12px;
    border: 1px solid var(--color-accent-light);
}

.book-detail__bonus > .material-symbols-outlined {
    font-size: 22px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.book-detail__bonus h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 4px;
}

.book-detail__bonus p {
    font-size: 14px;
    color: var(--color-pencil);
    line-height: 1.5;
}

/* ── Audience cards ── */
.book-detail__audience {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.book-detail__audience-card {
    padding: 24px;
    background: var(--color-white, #fff);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.book-detail__audience-card .material-symbols-outlined {
    font-size: 32px;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.book-detail__audience-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
}

.book-detail__audience-card p {
    font-size: 14px;
    color: var(--color-pencil);
    line-height: 1.5;
}

/* ── Book nav (prev/next) ── */
.book-detail__nav {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
    margin-top: 16px;
}

.book-detail__nav-link {
    text-decoration: none;
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    transition: all 0.25s var(--ease-out);
    max-width: 50%;
}

.book-detail__nav-link:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-paper);
}

.book-detail__nav-link--next { text-align: right; margin-left: auto; }

.book-detail__nav-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-pencil);
    margin-bottom: 4px;
}

.book-detail__nav-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-ink);
}

.book-detail__nav-link--next .book-detail__nav-title { justify-content: flex-end; }

.book-detail__nav-title .material-symbols-outlined {
    font-size: 18px;
    color: var(--color-accent);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .book-detail__hero {
        grid-template-columns: 160px 1fr;
        gap: 24px;
    }

    .book-detail__cover {
        position: static;
    }

    .book-detail__audience {
        grid-template-columns: 1fr;
    }

    .book-detail__nav {
        flex-direction: column;
    }

    .book-detail__nav-link {
        max-width: 100%;
    }

    .book-detail__nav-link--next { text-align: left; margin-left: 0; }
    .book-detail__nav-link--next .book-detail__nav-title { justify-content: flex-start; }
}

@media (max-width: 480px) {
    .book-detail__hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .book-detail__cover {
        max-width: 200px;
        margin: 0 auto;
    }

    .book-detail__meta {
        justify-content: center;
    }

    .book-detail__cta {
        max-width: 100%;
    }
}