/* ============================================
   Private AI Shift — Clean Light
   ============================================ */

/* ---------- Hero — Stat-Driven ---------- */
.shift-hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 4% 6rem;
    text-align: center;
    background: linear-gradient(180deg, var(--stone-50) 0%, white 40%, white 100%);
    position: relative;
}

/* Wave: white hero → stone-50 narrative */
.shift-hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 48px;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 48' preserveAspectRatio='none'%3E%3Cpath d='M0,48 L0,20 C360,-4 720,40 1080,16 C1260,4 1380,12 1440,8 L1440,48 Z' fill='%23fafaf9'/%3E%3C/svg%3E");
    pointer-events: none;
}

.shift-hero-inner {
    max-width: 800px;
}

.shift-hero-stat {
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: 800;
    line-height: 1;
    color: var(--stone-900);
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.shift-hero-stat span {
    color: var(--eg-green);
}

.shift-hero h1 {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 400;
    color: var(--stone-600);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.shift-hero-sub {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--stone-400);
    max-width: 560px;
    margin: 0 auto 2.5rem;
}

.shift-hero-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--stone-200);
    color: var(--stone-400);
    animation: shift-bounce 2s ease infinite;
}

@keyframes shift-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ---------- Narrative ---------- */
.shift-narrative {
    padding: 6rem 4%;
    background: var(--stone-50);
    scroll-margin-top: 80px;
}

.shift-narrative-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.shift-narrative-header {
    text-align: center;
    margin-bottom: 4rem;
}

.shift-narrative-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.shift-narrative-blocks {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.shift-narrative-block {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.shift-narrative-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--eg-green-light);
    color: var(--eg-green);
    margin-bottom: 1.25rem;
}

.shift-narrative-block h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.shift-narrative-block p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--stone-600);
    margin-bottom: 0.75rem;
}

.shift-narrative-block p:last-child {
    margin-bottom: 0;
}

/* ---------- Risks — Asymmetric Split ---------- */
.shift-risks {
    padding: 6rem 4%;
}

.shift-risks-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    align-items: start;
}

.shift-risks-left h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
}

.shift-risks-left p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--stone-600);
}

.shift-risks-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.shift-risk-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--stone-50);
    border-radius: 12px;
    border-left: 3px solid var(--stone-300);
}

.shift-risk-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--eg-green-light);
    color: var(--eg-green);
    flex-shrink: 0;
}

.shift-risk-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.shift-risk-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--stone-500);
}

/* ---------- Solution — Connected Pillars ---------- */
.shift-solution {
    padding: 6rem 4%;
    background: var(--stone-50);
}

.shift-solution-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.shift-solution-header {
    text-align: center;
    margin-bottom: 4rem;
}

.shift-solution-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
}

.shift-solution-header p {
    font-size: 1.05rem;
    color: var(--stone-600);
    max-width: 640px;
    margin: 0 auto;
}

.shift-pillars {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.shift-pillar {
    flex: 1;
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.shift-pillar-number {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--eg-green);
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}

.shift-pillar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--eg-green-light);
    color: var(--eg-green);
    margin-bottom: 1.25rem;
}

.shift-pillar h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.shift-pillar p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--stone-600);
}

.shift-pillar-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    flex-shrink: 0;
    color: var(--stone-300);
}

/* ---------- Proof — Dark Inset ---------- */
.shift-proof {
    padding: 6rem 4%;
}

.shift-proof-inner {
    max-width: 900px;
    margin: 0 auto;
    background: var(--stone-950);
    border-radius: 20px;
    overflow: hidden;
    text-align: center;
    color: white;
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 0, 0, 0.04);
}

.shift-proof-image {
    width: 100%;
    max-height: 360px;
    overflow: hidden;
}

.shift-proof-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.shift-proof-content {
    padding: 3rem 3rem 0;
    margin-bottom: 3rem;
}

.shift-proof-content h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 1rem;
    color: white;
}

.shift-proof-content p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    max-width: 560px;
    margin: 0 auto;
}

.shift-proof-metrics {
    display: flex;
    justify-content: center;
    gap: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem 3rem 3rem;
    margin-top: 3rem;
}

.shift-proof-metric {
    text-align: center;
}

.shift-proof-metric-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--eg-green);
    margin-bottom: 0.25rem;
}

.shift-proof-metric-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.02em;
}

/* ---------- Industries ---------- */
.shift-industries {
    padding: 6rem 4%;
    background: var(--stone-50);
}

.shift-industries-inner {
    max-width: 900px;
    margin: 0 auto;
}

.shift-industries-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.shift-industries-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
}

.shift-industries-header p {
    font-size: 1.05rem;
    color: var(--stone-600);
    max-width: 560px;
    margin: 0 auto;
}

.shift-industries-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.shift-industry-card {
    background: white;
    border-radius: 14px;
    padding: 2rem;
    border: 1px solid var(--stone-200);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.shift-industry-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

.shift-industry-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--eg-green-light);
    color: var(--eg-green);
    margin-bottom: 1rem;
}

.shift-industry-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.shift-industry-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--stone-500);
}

/* ---------- Explore — Full-Width Card Links ---------- */
.shift-explore {
    padding: 6rem 4%;
}

.shift-explore-inner {
    max-width: 900px;
    margin: 0 auto;
}

.shift-explore-header {
    text-align: center;
    margin-bottom: 3rem;
}

.shift-explore-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.shift-explore-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.shift-explore-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.75rem 2rem;
    background: var(--stone-50);
    border: 1px solid var(--stone-200);
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.shift-explore-card:hover {
    border-color: var(--eg-green);
    box-shadow: 0 8px 30px rgba(61, 155, 107, 0.08);
    transform: translateY(-2px);
}

.shift-explore-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--eg-green-light);
    color: var(--eg-green);
    flex-shrink: 0;
}

.shift-explore-card-body {
    flex: 1;
}

.shift-explore-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.shift-explore-card-body p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--stone-500);
}

.shift-explore-card-arrow {
    color: var(--stone-300);
    flex-shrink: 0;
    transition: color 0.2s ease, transform 0.2s ease;
}

.shift-explore-card:hover .shift-explore-card-arrow {
    color: var(--eg-green);
    transform: translateX(4px);
}

/* ---------- CTA ---------- */
.shift-cta {
    padding: 6rem 4%;
    background: var(--stone-50);
}

.shift-cta-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.shift-cta-inner h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 1rem;
}

.shift-cta-inner p {
    font-size: 1.05rem;
    color: var(--stone-600);
    margin-bottom: 2rem;
}

/* ---------- btn-cta (local) ---------- */
.btn-cta {
    display: inline-block;
    background: var(--eg-green);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background: var(--stone-800);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ---------- Nav Override (light hero) ---------- */
body.page-private-ai-shift-clean nav:not(.scrolled) .nav-links-list a {
    color: var(--stone-600);
}

body.page-private-ai-shift-clean nav:not(.scrolled) .nav-cta {
    background: var(--stone-950);
    color: var(--stone-50);
    border: none;
    backdrop-filter: none;
}

body.page-private-ai-shift-clean nav:not(.scrolled) .nav-logo .logo-hero {
    display: none;
}

body.page-private-ai-shift-clean nav:not(.scrolled) .nav-logo .logo-scrolled {
    display: block;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .shift-hero {
        min-height: 70vh;
        padding: 7rem 4% 4rem;
    }

    .shift-hero-stat {
        font-size: clamp(3.5rem, 18vw, 6rem);
    }

    .shift-risks-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .shift-pillars {
        flex-direction: column;
        gap: 1.5rem;
    }

    .shift-pillar-connector {
        width: auto;
        height: 32px;
        transform: rotate(90deg);
    }

    .shift-industries-grid {
        grid-template-columns: 1fr;
    }

    .shift-proof-metrics {
        flex-direction: column;
        gap: 1.5rem;
    }

    .shift-explore-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
    }

    .shift-explore-card-arrow {
        display: none;
    }
}