/* assets/css/philosophy.css */

/* ============================================================
   1. EDITORIAL COVER HERO
   ============================================================ */
.editorial-cover {
    background-color: var(--clr-bg-main, #FFFFFF);
    padding-top: calc(72px + 6rem);
}

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

.cover-headline {
    font-family: var(--font-heading, serif);
    font-size: clamp(4rem, 8vw, 9rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -3px;
    color: var(--clr-primary, #000);
    margin: 0 0 2rem 0;
}

.cover-metadata {
    display: flex;
    justify-content: center;
    gap: 3rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-text-main, #666);
}

.cover-media {
    width: 100%;
    height: 70vh;
    min-height: 500px;
    max-height: 800px;
    background-color: var(--clr-bg-alt, #F8FAFC);
    overflow: hidden;
}

.cover-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ============================================================
   2. ARCHITECTURAL READING GRID
   ============================================================ */
.reading-grid-section {
    background-color: var(--clr-bg-main, #FFFFFF);
    padding: 8rem 0;
}

.reading-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.reading-index {
    border-top: 2px solid var(--clr-primary, #000);
    padding-top: 1rem;
}

.index-num {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-primary, #000);
}

.reading-content {
    border-top: 2px solid var(--clr-primary, #000);
    padding-top: 4rem;
}

.reading-title {
    font-size: 2.5rem;
    color: var(--clr-primary, #000);
    margin-bottom: 3rem;
    line-height: 1.2;
}

.reading-lead {
    font-family: var(--font-heading, serif);
    font-size: 1.75rem;
    line-height: 1.5;
    color: var(--clr-primary, #000);
    margin-bottom: 3rem;
}

.reading-body {
    font-size: 1.125rem;
    color: var(--clr-text-main, #444);
    line-height: 1.8;
    margin-bottom: 4rem;
    max-width: 800px;
}

.reading-quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--clr-primary, #000);
    line-height: 1.6;
    padding-left: 3rem;
    border-left: 2px solid var(--clr-primary, #000);
    margin: 0;
    max-width: 800px;
}

/* ============================================================
   3. DUALITY SPLIT SECTION
   ============================================================ */
.duality-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    width: 100%;
}

.duality-side {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 4rem;
    overflow: hidden;
}

.duality-science {
    background-color: var(--clr-primary, #0A192F);
    color: #FFF;
}

.duality-refinement {
    background-color: var(--clr-bg-alt, #F8FAFC);
    color: var(--clr-primary, #0A192F);
}

.duality-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b?q=80&w=1200&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
    filter: grayscale(100%);
}

.duality-bg.secondary-bg {
    background-image: url('https://images.unsplash.com/photo-1620916566398-39f1143ab7be?q=80&w=1200&auto=format&fit=crop');
    opacity: 0.15;
}

.duality-content {
    position: relative;
    z-index: 2;
    max-width: 500px;
    margin: 0 auto;
}

.duality-kicker {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 2rem;
    color: var(--clr-secondary);
}

.duality-kicker.text-dark {
    color: var(--clr-text-main, #666);
}

.duality-content h3 {
    font-family: var(--font-heading, serif);
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 2rem;
    color: #FFF;
}

.duality-content h3.text-dark {
    color: var(--clr-primary, #0A192F);
}

.duality-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
    .reading-grid { grid-template-columns: 1fr; gap: 2rem; }
    .reading-index { border-top: none; padding-top: 0; }
    .duality-split { grid-template-columns: 1fr; }
    .duality-side { min-height: 60vh; padding: 4rem 2rem; }
    .cover-metadata { flex-direction: column; gap: 1rem; }
}