/**
 * ICP Landing Pages
 *
 * Additive styles for the persona landing-page experiment. Uses the existing
 * :root tokens from style.css — no new colours, no new fonts, no framework.
 * Mobile-first, matching the site's 768px / 992px breakpoints.
 */

/* ---------------------------------------------------------------
 * Section rhythm
 * --------------------------------------------------------------- */

.icp-section {
    padding: 56px 0;
    border-bottom: 1px solid #eeeeee;
}

.icp-section:last-of-type {
    border-bottom: none;
}

.icp-section h2 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.9rem;
    line-height: 1.2;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.icp-section h3 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.2rem;
    line-height: 1.3;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.icp-section-intro {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-light);
    max-width: 760px;
    margin-bottom: 32px;
}

.icp-footnote {
    margin-top: 20px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-light);
    font-style: italic;
}

/* Shared list styling used across several sections.
   style.css sets a global `ul { list-style: none }`, so bullets are drawn
   with ::before rather than relying on browser defaults. */
.icp-row-list,
.icp-phase-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.icp-row-list li,
.icp-phase-points li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
}

.icp-row-list li::before,
.icp-phase-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-green);
}

/* ---------------------------------------------------------------
 * Hero
 * --------------------------------------------------------------- */

.icp-hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

/* "Written for" role line — SMB titles vary, so the page names them. */
.icp-audience {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.icp-audience-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--brand-green);
}

.icp-audience-list {
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.78);
}

/* ---------------------------------------------------------------
 * Business problem
 * --------------------------------------------------------------- */

.icp-problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.icp-problem-item {
    background: var(--offwhite);
    border: 1px solid #e9ecef;
    border-left: 3px solid var(--brand-yellow);
    border-radius: 0 12px 12px 0;
    padding: 22px 24px;
}

.icp-problem-item p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-light);
    margin: 0;
}

/* ---------------------------------------------------------------
 * Framework: Build → Operate & Optimize → Train & Transfer
 * --------------------------------------------------------------- */

.icp-framework-flow {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.icp-framework-phase {
    position: relative;
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 28px 24px 24px;
}

/* The arrow between phases — vertical on mobile, horizontal on desktop */
.icp-framework-phase::after {
    content: "↓";
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.3rem;
    color: var(--brand-green);
    line-height: 1;
    z-index: 1;
}

.icp-framework-phase:last-child::after {
    content: none;
}

.icp-phase-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--brand-green);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.icp-framework-phase:nth-child(2) .icp-phase-index { background: var(--brand-blue); }
.icp-framework-phase:nth-child(3) .icp-phase-index { background: var(--brand-yellow); }

.icp-phase-summary {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 14px;
}

.icp-phase-points li {
    font-size: 0.9rem;
}

/* ---------------------------------------------------------------
 * What we build (workflows)
 * --------------------------------------------------------------- */

.icp-workflow-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.icp-workflow-card {
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 24px;
}

.icp-workflow-row {
    margin-top: 14px;
}

.icp-row-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 6px;
}

.icp-row-value {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
}

/* ---------------------------------------------------------------
 * Human / agent operating model
 * --------------------------------------------------------------- */

.icp-om-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.icp-om-card {
    background: var(--offwhite);
    border: 1px solid #e9ecef;
    border-radius: 14px;
    padding: 22px;
}

.icp-om-card h3 {
    font-size: 1.05rem;
}

.icp-om-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 12px;
}

/* ---------------------------------------------------------------
 * Outcomes
 * --------------------------------------------------------------- */

.icp-outcome-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.icp-outcome-tile {
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 14px;
    padding: 20px 22px;
}

.icp-outcome-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 8px;
}

.icp-outcome-value {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

/* Unmeasured metrics read as deliberately empty, not as a broken value. */
.icp-outcome-value.is-empty {
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-style: italic;
    color: #9aa3ad;
}

.icp-outcome-definition {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-light);
    margin: 0;
}

/* ---------------------------------------------------------------
 * How an engagement works
 * --------------------------------------------------------------- */

.icp-stage-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: icp-stage;
}

.icp-stage {
    position: relative;
    counter-increment: icp-stage;
    padding: 22px 0 22px 52px;
    border-bottom: 1px solid #eeeeee;
}

.icp-stage:last-child {
    border-bottom: none;
}

.icp-stage::before {
    content: counter(icp-stage);
    position: absolute;
    left: 0;
    top: 22px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand-blue);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.85rem;
}

.icp-stage-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 10px;
}

.icp-stage-head h3 {
    margin-bottom: 0;
}

.icp-stage-duration {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-light);
    background: var(--background-light);
    padding: 4px 10px;
    border-radius: 999px;
}

/* ---------------------------------------------------------------
 * Proof / case studies
 * --------------------------------------------------------------- */

.icp-proof-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.icp-proof-card {
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

/* Placeholder cards are visually obvious so nobody ships them by accident. */
.icp-proof-card.is-placeholder {
    background: repeating-linear-gradient(
        45deg,
        var(--offwhite),
        var(--offwhite) 10px,
        #f3f4f6 10px,
        #f3f4f6 20px
    );
    border-style: dashed;
    border-color: #cfd4da;
}

.icp-placeholder-tag {
    align-self: flex-start;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-light);
    background: var(--white);
    border: 1px solid #cfd4da;
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.icp-proof-card p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-light);
}

.icp-proof-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: auto;
    padding-top: 16px;
}

.icp-proof-metric {
    display: flex;
    flex-direction: column;
}

.icp-proof-metric-value {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.icp-proof-metric-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

.icp-proof-link {
    margin-top: 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

.icp-proof-link:hover {
    text-decoration: underline;
}

/* ---------------------------------------------------------------
 * Initial offer
 * --------------------------------------------------------------- */

.icp-offer-card {
    background: var(--white);
    border: 2px solid var(--brand-green);
    border-radius: 18px;
    padding: 28px 26px;
    max-width: 760px;
}

.icp-offer-summary {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text-light);
}

.icp-offer-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 20px 0;
}

.icp-offer-fact {
    display: flex;
    flex-direction: column;
    background: var(--offwhite);
    border-radius: 10px;
    padding: 12px 16px;
    min-width: 130px;
}

.icp-offer-fact-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 4px;
}

.icp-offer-fact-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
}

.icp-offer-subhead {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-light);
    margin: 18px 0 10px;
}

.icp-offer-card .btn {
    margin-top: 22px;
}

/* ---------------------------------------------------------------
 * FAQ — native <details> accordion
 * --------------------------------------------------------------- */

.icp-faq-list {
    max-width: 820px;
}

.icp-faq-item {
    border-bottom: 1px solid #e9ecef;
}

.icp-faq-question {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    list-style: none;
}

/* Hide the default disclosure triangle across browsers */
.icp-faq-question::-webkit-details-marker { display: none; }

.icp-faq-question::after {
    content: "+";
    flex-shrink: 0;
    font-size: 1.3rem;
    font-weight: 400;
    line-height: 1;
    color: var(--text-light);
    transition: var(--transition);
}

.icp-faq-item[open] .icp-faq-question::after {
    content: "−";
}

.icp-faq-question:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 2px;
}

.icp-faq-answer {
    padding: 0 0 18px;
}

.icp-faq-answer p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-light);
    margin: 0;
    max-width: 70ch;
}

/* ---------------------------------------------------------------
 * Final CTA
 * --------------------------------------------------------------- */

.icp-final-cta {
    background: var(--background-dark);
    color: var(--white);
    padding: 64px 0;
    text-align: center;
}

.icp-final-cta h2 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.9rem;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 14px;
}

.icp-final-cta p {
    font-size: 1.05rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
    max-width: 620px;
    margin: 0 auto 26px;
}

.icp-final-cta .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

/* ---------------------------------------------------------------
 * Tablet
 * --------------------------------------------------------------- */

@media (min-width: 768px) {
    .icp-section {
        padding: 72px 0;
    }

    .icp-section h2 {
        font-size: 2.2rem;
    }

    .icp-problem-grid,
    .icp-workflow-grid,
    .icp-proof-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .icp-om-grid,
    .icp-outcome-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .icp-framework-flow {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 32px;
    }

    /* Arrows turn horizontal once the phases sit side by side */
    .icp-framework-phase::after {
        content: "→";
        bottom: auto;
        top: 50%;
        left: auto;
        right: -26px;
        transform: translateY(-50%);
    }
}

/* ---------------------------------------------------------------
 * Desktop
 * --------------------------------------------------------------- */

@media (min-width: 992px) {
    .icp-om-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .icp-outcome-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ---------------------------------------------------------------
 * Accessibility / motion
 * --------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    .icp-faq-question::after {
        transition: none;
    }
}