/* assets/css/difference.css */

/* ============================================================
   1. ARCHITECTURAL TITLE BLOCK
   ============================================================ */
.diff-title-block {
    background-color: var(--clr-bg-main, #FFFFFF);
    padding-top: calc(72px + 6rem);
    padding-bottom: 6rem;
    border-bottom: 1px solid var(--clr-border, #E2E8F0);
}

.title-meta {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid var(--clr-primary, #000);
    padding-bottom: 1rem;
    margin-bottom: 4rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-text-main, #666);
}

.diff-headline {
    font-family: var(--font-heading, serif);
    font-size: clamp(3.5rem, 6vw, 6.5rem);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--clr-primary, #000);
    margin: 0 0 4rem 0;
    max-width: 1000px;
}

.title-footer {
    border-top: 1px solid var(--clr-border, #E2E8F0);
    padding-top: 2rem;
    max-width: 800px;
}

.title-footer p {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--clr-primary, #000);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================
   2. STAGGERED EDITORIAL FLOW
   ============================================================ */
.editorial-flow {
    display: flex;
    flex-direction: column;
}

.pillar-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 80vh;
}

.pillar-media {
    position: relative;
    overflow: hidden;
}

.pillar-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease, transform 10s ease;
}

.pillar-row:hover .pillar-media img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.pillar-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 10%;
    position: relative;
}

.pillar-large-num {
    font-family: var(--font-heading, serif);
    font-size: clamp(6rem, 10vw, 12rem);
    line-height: 0.8;
    color: var(--clr-primary, #000);
    opacity: 0.05;
    position: absolute;
    top: 4rem;
    left: 4rem;
    pointer-events: none;
    z-index: 0;
}

.pillar-large-num.text-opacity-25 {
    color: #FFF;
    opacity: 0.1;
}

.pillar-content h2 {
    font-family: var(--font-heading, serif);
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1.1;
    color: var(--clr-primary, #000);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.pillar-content h2.text-white {
    color: #FFF;
}

.pillar-content p {
    font-size: 1.125rem;
    color: var(--clr-text-main, #555);
    line-height: 1.8;
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.pillar-content p.text-white-75 {
    color: rgba(255,255,255,0.75);
}

.bg-alt {
    background-color: var(--clr-bg-alt, #F8FAFC);
}

.bg-dark {
    background-color: var(--clr-primary, #0A192F);
}

/* ============================================================
   3. MONOLITH CTA
   ============================================================ */
.monolith-cta {
    background-color: var(--clr-primary, #0A192F);
    color: #FFF;
    padding: 8rem 0;
    border-top: 2px solid #FFF;
}

.monolith-cta h2 {
    font-family: var(--font-heading, serif);
    font-size: clamp(2.5rem, 4vw, 4rem);
    color: #FFF;
    margin-bottom: 1.5rem;
}

.monolith-cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
    .diff-title-block { padding-top: calc(72px + 4rem); padding-bottom: 4rem; }
    .title-footer p { font-size: 1.25rem; }
    
    .title-meta { flex-direction: column; gap: 1rem; }
    
    .pillar-row { grid-template-columns: 1fr; }
    .pillar-row.split-right .pillar-content { order: 2; }
    .pillar-row.split-right .pillar-media { order: 1; }
    
    .pillar-media { height: 400px; }
    .pillar-content { padding: 4rem 2rem; }
    .pillar-large-num { top: 2rem; left: 1rem; }
    
    .cta-actions { flex-direction: column; align-items: center; }
}