/* ──────────────────────────────────────────────────────────────────────
 * Library Landing Page (/library/) — .lp-* prefix
 * Extracted from inline <style> block in library/index.php.
 * ────────────────────────────────────────────────────────────────────── */

/* ── Landing Page Reset ── */
.lp-section {
    padding: var(--space-16) 0;
}

.lp-container {
    max-width: var(--container-xl, 1120px);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

@media (max-width: 600px) {
    .lp-section {
        padding: 56px 0;
    }

    .lp-container {
        padding: 0 var(--space-5);
    }
}

/* ════════════════════════════════════════
   SCROLL REVEAL SYSTEM
   ════════════════════════════════════════ */
@keyframes lp-reveal-up {
    from {
        opacity: 0;
        transform: translateY(28px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lp-reveal-scale {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes lp-hero-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* Base hidden state — applied by JS before first paint */
.lp-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0s, transform 0s;
}

/* Triggered state */
.lp-reveal.is-visible {
    animation: lp-reveal-up 0.55s var(--ease-spring) both;
}

.lp-reveal--scale.is-visible {
    animation: lp-reveal-scale 0.55s var(--ease-spring) both;
}

/* Stagger delays for children */
.lp-reveal-stagger>.lp-reveal:nth-child(1) {
    animation-delay: 0ms;
}

.lp-reveal-stagger>.lp-reveal:nth-child(2) {
    animation-delay: 80ms;
}

.lp-reveal-stagger>.lp-reveal:nth-child(3) {
    animation-delay: 160ms;
}

.lp-reveal-stagger>.lp-reveal:nth-child(4) {
    animation-delay: 240ms;
}

.lp-reveal-stagger>.lp-reveal:nth-child(5) {
    animation-delay: 320ms;
}

.lp-reveal-stagger>.lp-reveal:nth-child(6) {
    animation-delay: 400ms;
}

/* Step-arrow animation delay overrides (must come after the generic stagger rule to win) */
.lp-reveal-stagger > .lp-step__arrow:nth-child(2) {
    animation-delay: 60ms;
}

.lp-reveal-stagger > .lp-step__arrow:nth-child(4) {
    animation-delay: 140ms;
}

/* Section header reveal */
.lp-section-header-reveal {
    opacity: 0;
    animation: lp-reveal-up 0.6s var(--ease-spring) both;
}

.lp-section-header-reveal.is-visible {
    opacity: 1;
}

/* Hero image float */
.lp-hero__img {
    animation: lp-hero-float 5s ease-in-out infinite;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    .lp-reveal,
    .lp-reveal.is-visible,
    .lp-reveal--scale.is-visible,
    .lp-section-header-reveal,
    .lp-section-header-reveal.is-visible {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }

    .lp-hero__img {
        animation: none !important;
    }
}

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
.lp-hero {
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: var(--space-5) 0 var(--space-16);
    background: var(--bg-page-warm, #FAF4ED);
}

.lp-hero__bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(44, 36, 22, .12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(44, 36, 22, .12) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: .5;
    pointer-events: none;
}

.lp-hero__container {
    max-width: var(--container-xl, 1120px);
    margin: 0 auto;
    padding: 0 var(--space-8);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
}

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

.lp-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1-5) var(--space-3);
    background: var(--mainsite-light);
    color: var(--mainsite-primary);
    border: 1px solid var(--mainsite-light);
    font-size: var(--text-micro);
    font-weight: var(--font-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    animation: heroFadeUp .6s var(--ease-spring) both;
}

.lp-hero__badge .icon {
    width: var(--icon-sm);
    height: var(--icon-sm);
}

.lp-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: var(--font-bold);
    line-height: 1.15;
    color: var(--color-ink);
    margin-bottom: var(--space-5);
    animation: heroFadeUp .6s var(--ease-spring) .1s both;
}

.lp-hero__accent {
    color: var(--mainsite-primary);
    font-style: italic;
    font-weight: var(--font-semibold);
    text-decoration: underline;
    text-decoration-color: rgba(229, 77, 77, .3);
    text-decoration-thickness: 8px;
    text-underline-offset: 4px;
}

.lp-hero__sub {
    font-size: var(--text-h4);
    color: var(--color-ink-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    animation: heroFadeUp .6s var(--ease-spring) .2s both;
}

.lp-hero__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-10);
    animation: heroFadeUp .6s var(--ease-spring) .3s both;
}

.lp-hero__proof {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    animation: heroFadeUp .6s var(--ease-spring) .4s both;
}

.lp-hero__stat strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: var(--font-bold);
    color: var(--mainsite-primary);
}

.lp-hero__stat span {
    font-size: var(--text-caption);
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
}

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

.lp-hero__divider {
    width: 1px;
    height: 36px;
    background: var(--gray-300);
}

.lp-hero__visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    animation: heroFadeUp .8s var(--ease-spring) .3s both;
}

.lp-hero__img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: 0 8px 32px rgba(44, 36, 22, .15), 0 16px 48px rgba(44, 36, 22, .1);
}

.lp-hero__solver {
    animation: heroFadeUp .6s var(--ease-spring) .5s both;
}

/* ════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════ */
.lp-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-weight: var(--font-semibold);
    font-size: var(--text-small);
    padding: var(--space-3-5) var(--space-6);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: transform var(--duration-base) var(--ease-spring),
                box-shadow var(--duration-base) var(--ease-default);
    cursor: pointer;
    border: none;
}

.lp-btn:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-ring-offset);
}

.lp-btn .icon {
    width: var(--icon-md);
    height: var(--icon-md);
}

.lp-btn--primary {
    background: var(--mainsite-gradient);
    color: var(--text-inverse);
    box-shadow: var(--mainsite-shadow);
}

.lp-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 77, 77, .4);
}

.lp-btn--ghost {
    background: transparent;
    color: var(--color-ink);
    padding: var(--space-3-5) var(--space-5);
}

.lp-btn--ghost:hover {
    color: var(--mainsite-primary);
}

.lp-btn__arrow {
    transition: transform var(--duration-fast) ease;
    font-size: var(--icon-sm);
}

.lp-btn--ghost:hover .lp-btn__arrow {
    transform: translateX(3px);
}

.lp-btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-body);
}

/* ════════════════════════════════════════
   PROBLEM SECTION
   ════════════════════════════════════════ */
.lp-problem {
    background: var(--bg-surface);
}

.lp-pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-2);
}

.lp-pain-card {
    padding: var(--space-6);
    background: var(--bg-page-warm, #FAF4ED);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: transform var(--duration-base) var(--ease-spring),
                box-shadow var(--duration-base) ease;
}

.lp-pain-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lp-pain-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--icon-2xl);
    height: var(--icon-2xl);
    background: var(--mainsite-very-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    color: var(--mainsite-primary);
}

.lp-pain-card__icon .icon {
    width: 22px;
    height: 22px;
}

.lp-pain-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-body);
    font-weight: var(--font-semibold);
    color: var(--color-ink);
    margin-bottom: var(--space-2);
}

.lp-pain-card p {
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    line-height: var(--leading-relaxed);
}

/* ════════════════════════════════════════
   HOW IT WORKS
   ════════════════════════════════════════ */
.lp-how {
    background: var(--bg-page-warm, #FAF4ED);
}

.lp-steps {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-top: var(--space-2);
}

.lp-step {
    flex: 1;
    background: var(--bg-surface);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    transition: border-color var(--duration-base) ease,
                box-shadow var(--duration-base) ease,
                transform var(--duration-base) var(--ease-spring);
}

.lp-step:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.lp-step__num {
    width: var(--space-10);
    height: var(--space-10);
    background: var(--mainsite-gradient);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: var(--text-h4);
    font-weight: var(--font-bold);
    flex-shrink: 0;
}

.lp-step__body h3 {
    font-family: var(--font-heading);
    font-size: var(--text-body);
    font-weight: var(--font-semibold);
    color: var(--color-ink);
    margin-bottom: var(--space-1-5);
}

.lp-step__body p {
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    line-height: var(--leading-relaxed);
}

.lp-step__arrow {
    display: flex;
    align-items: center;
    padding-top: var(--space-8);
    color: var(--gray-300);
}

.lp-step__arrow .icon {
    width: var(--icon-md);
    height: var(--icon-md);
}

.lp-steps__cta {
    text-align: center;
    margin-top: var(--space-10);
}

/* ════════════════════════════════════════
   FEATURES (reuses ws_feature_card)
   ════════════════════════════════════════ */
.lp-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

/* ════════════════════════════════════════
   BROWSE SECTION
   ════════════════════════════════════════ */
.lp-browse {
    background: var(--bg-page-warm, #FAF4ED);
}

.lp-browse__cta {
    text-align: center;
    margin-top: var(--space-8);
}

/* ════════════════════════════════════════
   FINAL CTA
   ════════════════════════════════════════ */
.lp-final-cta {
    background: var(--bg-surface);
    padding: 96px 0;
}

.lp-final-cta .lp-container {
    text-align: center;
}

.lp-final-cta__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: var(--font-bold);
    line-height: 1.25;
    color: var(--color-ink);
    margin-bottom: var(--space-3);
    letter-spacing: var(--tracking-tight);
}

.lp-final-cta__accent {
    color: var(--mainsite-primary);
    font-style: italic;
    text-decoration: underline;
    text-decoration-color: rgba(229, 77, 77, .3);
    text-decoration-thickness: 6px;
    text-underline-offset: 4px;
}

.lp-final-cta__sub {
    font-size: var(--text-h4);
    color: var(--color-ink-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.lp-final-cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media (max-width: 900px) {
    .lp-hero {
        min-height: auto;
        padding: 100px 0 50px;
    }

    .lp-hero__container {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        text-align: center;
    }

    .lp-hero__content {
        max-width: 100%;
    }

    .lp-hero__actions {
        justify-content: center;
    }

    .lp-hero__proof {
        justify-content: center;
    }

    .lp-hero__solver {
        display: flex;
        justify-content: center;
    }

    .lp-hero__solver .ws-prompt-select {
        justify-content: center;
    }

    .lp-pain-grid {
        grid-template-columns: 1fr;
    }

    .lp-steps {
        flex-direction: column;
    }

    .lp-step__arrow {
        display: none;
    }

    .lp-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .lp-hero__title {
        font-size: 28px;
    }

    .lp-hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .lp-hero__proof {
        gap: var(--space-4);
    }

    .lp-hero__stat strong {
        font-size: 22px;
    }

    .lp-btn--lg {
        padding: var(--space-3-5) var(--space-6);
        font-size: var(--text-ui);
    }
}