/* ============================================
   Use Case Tier 1 - Client-Facing Story Section
   ============================================ */

/* Hero Story - Replaces use-case-hero */
.uc-hero-story {
    padding: var(--spacing-6xl) 0 var(--spacing-4xl);
    background: var(--gradient-subtle);
    border-bottom: 1px solid var(--color-gray-200);
}

.uc-hero-story__inner {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-4xl);
    align-items: center;
}

.uc-hero-story__content .use-case-badge {
    margin-bottom: var(--spacing-lg);
}

.uc-hero-story__content h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xl);
    line-height: 1.15;
}

.uc-hero-story__lead {
    font-size: 1.25rem;
    line-height: 1.75;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.uc-hero-story__actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.uc-hero-story__stat-aside {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.uc-hero-stat {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.uc-hero-stat:not(:last-child) {
    border-bottom: 1px solid var(--color-gray-100);
    padding-bottom: var(--spacing-lg);
}

.uc-hero-stat__value {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.uc-hero-stat__label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.4;
}

/* Context Strip */
.uc-context-strip {
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl) 0;
}

.uc-context-strip__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.uc-context-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.uc-context-item__icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--color-primary-tint);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
}

.uc-context-item__icon svg {
    width: 18px;
    height: 18px;
}

.uc-context-item__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-gray-400);
    font-weight: 600;
}

.uc-context-item__value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-700);
    line-height: 1.4;
    margin-top: 2px;
}

/* Story Narrative */
.uc-story-narrative {
    padding: var(--spacing-5xl) 0;
}

.uc-story-narrative .section-header {
    text-align: left;
    max-width: var(--container-narrow);
    margin: 0 auto var(--spacing-3xl);
}

.uc-story-narrative .section-header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

/* Stat Cards */
.uc-stat-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-gray-200);
}

.uc-stat-card__value {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.uc-stat-card__metric {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-xs);
}

.uc-stat-card__context {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    line-height: 1.5;
}

/* Outcomes section */
.uc-outcomes .section-header {
    margin-bottom: var(--spacing-3xl);
}

.uc-outcomes__cards {
    margin-top: var(--spacing-2xl);
}

/* Proof Quote */
.uc-proof-quote {
    padding: var(--spacing-5xl) 0;
}

/* Tier 1 CTA */
.uc-tier1-cta {
    padding: var(--spacing-3xl) 0;
    background: var(--color-primary-tint);
    border-top: 1px solid rgba(119, 189, 224, 0.25);
    border-bottom: 1px solid rgba(119, 189, 224, 0.25);
}

.uc-tier1-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.uc-tier1-cta__copy h3 {
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.uc-tier1-cta__copy p {
    color: var(--color-gray-600);
    margin-bottom: 0;
    font-size: 1.0625rem;
}

.uc-tier1-cta__actions {
    display: flex;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Tier Bridge - Dark Transition */
.uc-tier-bridge {
    background: var(--color-gray-900);
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.uc-tier-bridge__inner {
    max-width: 680px;
    margin: 0 auto;
}

.uc-tier-bridge__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.uc-tier-bridge__heading {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.uc-tier-bridge__sub {
    font-size: 1rem;
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
}

.uc-tier-bridge__pipeline-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.uc-tier-bridge__pill {
    padding: 6px 20px;
    background: rgba(119, 189, 224, 0.15);
    border: 1px solid rgba(119, 189, 224, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.uc-tier-bridge__arrow {
    color: var(--color-gray-600);
    font-size: 1rem;
}

/* Tier 2 Intro */
.uc-tier2-intro {
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.uc-tier2-intro__tag {
    display: inline-block;
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.uc-tier2-intro__desc {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    max-width: 680px;
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ============================================
   Responsive - Tablet (768px)
   ============================================ */
@media (max-width: 768px) {
    .uc-hero-story {
        padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    }

    .uc-hero-story__inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .uc-hero-story__stat-aside {
        flex-direction: row;
        justify-content: space-around;
        gap: var(--spacing-lg);
        padding: var(--spacing-xl);
    }

    .uc-hero-stat {
        padding: 0;
    }

    .uc-hero-stat:not(:last-child) {
        border-bottom: none;
        border-right: 1px solid var(--color-gray-100);
        padding-right: var(--spacing-lg);
        padding-bottom: 0;
    }

    .uc-hero-stat__value {
        font-size: 2rem;
    }

    .uc-hero-story__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .uc-context-strip__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .uc-story-narrative {
        padding: var(--spacing-3xl) 0;
    }

    .uc-tier1-cta__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .uc-tier1-cta__actions {
        width: 100%;
    }

    .uc-tier-bridge {
        padding: var(--spacing-3xl) 0;
    }

    .uc-tier-bridge__pipeline-hint {
        gap: var(--spacing-sm);
    }

    .uc-tier-bridge__pill {
        padding: 5px 14px;
        font-size: 0.8rem;
    }

    .uc-proof-quote {
        padding: var(--spacing-3xl) 0;
    }
}

/* ============================================
   Responsive - Mobile (480px)
   ============================================ */
@media (max-width: 480px) {
    .uc-hero-story {
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }

    .uc-hero-story__lead {
        font-size: 1.0625rem;
    }

    .uc-hero-story__stat-aside {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .uc-hero-stat:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--color-gray-100);
        padding-right: 0;
        padding-bottom: var(--spacing-md);
    }

    .uc-context-strip__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .uc-tier1-cta__actions {
        flex-direction: column;
    }

    .uc-tier1-cta__actions .btn {
        width: 100%;
        text-align: center;
    }

    .uc-tier-bridge__pill {
        padding: 4px 12px;
        font-size: 0.75rem;
    }

    .uc-tier-bridge__arrow {
        font-size: 0.875rem;
    }
}