/* Global Tone Care - Styles */

:root {
    --color-editorial-black: #1A1A1E;
    --color-slate-ink: #38384A;
    --color-bone-white: #F4EDE3;
    --color-parchment: #D6CDB8;
    --color-vermilion: #C4362A;
    --color-deep-ink: #0C0C14;
    --color-black: #000000;

    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Source Serif 4', serif;
    --font-apparatus: 'Libre Franklin', sans-serif;

    --gutter-narrow: clamp(12px, 1.5vw, 20px);
    --gutter-wide: clamp(24px, 3vw, 48px);
}

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bone-white);
    color: var(--color-editorial-black);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.75;
    overflow-x: hidden;
}

/* Page Container */
.page-container {
    width: 100%;
    position: relative;
}

/* Folio Indicator */
.folio-indicator {
    position: fixed;
    top: clamp(16px, 2vw, 24px);
    right: clamp(16px, 2vw, 24px);
    z-index: 100;
    font-family: var(--font-apparatus);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-slate-ink);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

/* Spread Container */
.spread {
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.spread-grid {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gutter-wide);
    padding: clamp(40px, 5vh, 80px) var(--gutter-wide);
    align-items: center;
}

.spread-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 var(--gutter-narrow);
    max-width: 36em;
}

.spread-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: relative;
}

/* Verso and Recto positioning */
.verso .spread-grid {
    direction: ltr;
}

.verso .spread-text {
    order: 0;
}

.verso .spread-image {
    order: 1;
}

.recto .spread-grid {
    direction: rtl;
}

.recto .spread-text {
    order: 1;
    direction: ltr;
}

.recto .spread-image {
    order: 0;
    direction: ltr;
}

/* Headings */
h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6.5vw, 5rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    line-height: 1.08;
    color: var(--color-editorial-black);
    margin-bottom: clamp(20px, 2vh, 40px);
}

h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.03em;
    line-height: 1.15;
    color: var(--color-editorial-black);
    margin-bottom: clamp(16px, 1.5vh, 24px);
}

/* Body text */
.spread-text p {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.05vw, 1.12rem);
    line-height: 1.75;
    margin-bottom: clamp(12px, 1.5vh, 20px);
    color: var(--color-editorial-black);
    letter-spacing: 0.005em;
    text-indent: 1.5em;
}

.spread-text p:first-child {
    text-indent: 0;
}

/* Subtitle */
.subtitle {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(0.95rem, 1.05vw, 1.1rem);
    letter-spacing: 0.02em;
    color: var(--color-editorial-black);
    margin-top: clamp(20px, 2vh, 40px);
    text-indent: 0;
    line-height: 1.6;
}

/* Pull quotes */
blockquote {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-vermilion);
    margin: clamp(24px, 3vh, 48px) 0;
    padding-left: 0;
    border-left: none;
    text-align: center;
    text-indent: 0;
}

/* Image placeholder */
.image-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    border: 2px solid var(--color-parchment);
    margin: 16px;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    mix-blend-mode: screen;
    background-color: var(--color-parchment);
    opacity: 0.12;
    pointer-events: none;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    mix-blend-mode: multiply;
    background-color: var(--color-editorial-black);
    opacity: 0.08;
    pointer-events: none;
}

/* Back cover special styling */
.back-cover .spread-grid {
    grid-template-columns: 1fr;
}

.back-cover .spread-image.full-bleed {
    grid-column: 1;
    height: 60%;
}

.back-cover .spread-text {
    grid-column: 1;
    height: 40%;
    justify-content: center;
    padding: 0 var(--gutter-wide);
    background-color: var(--color-bone-white);
}

/* Animation and transitions */
@media (prefers-reduced-motion: no-preference) {
    .spread {
        animation: fadeIn 0.8s ease-out;
    }

    .spread-text {
        animation: slideInLeft 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
    }

    .recto .spread-text {
        animation: slideInRight 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
    }

    .spread-image {
        animation: slideInRight 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
    }

    .verso .spread-image {
        animation: slideInLeft 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .spread-grid {
        grid-template-columns: 1fr;
        gap: var(--gutter-narrow);
    }

    .verso .spread-grid,
    .recto .spread-grid {
        direction: ltr;
    }

    .verso .spread-text,
    .verso .spread-image,
    .recto .spread-text,
    .recto .spread-image {
        order: unset;
    }

    .recto .spread-text {
        direction: unset;
    }

    .recto .spread-image {
        direction: unset;
    }

    @media (prefers-reduced-motion: no-preference) {
        .spread-text {
            animation: fadeInDown 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
        }

        .recto .spread-text {
            animation: fadeInDown 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
        }

        .spread-image {
            animation: fadeInDown 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
        }

        .verso .spread-image {
            animation: fadeInDown 0.75s cubic-bezier(0.22, 0.61, 0.36, 1.0);
        }
    }

    @keyframes fadeInDown {
        from {
            transform: translateY(20px);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }

    h1 {
        font-size: clamp(2rem, 5vw, 3.5rem);
    }

    h2 {
        font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    }

    .spread-text p {
        font-size: clamp(0.9rem, 1.1vw, 1.05rem);
    }

    blockquote {
        font-size: clamp(1rem, 1.5vw, 1.3rem);
    }
}

@media (max-width: 640px) {
    .folio-indicator {
        font-size: 0.65rem;
        bottom: 16px;
        top: auto;
    }

    .spread {
        height: auto;
        min-height: 100vh;
    }

    .spread-grid {
        padding: 40px 16px;
        gap: 24px;
    }

    h1 {
        font-size: 2rem;
        letter-spacing: 0.12em;
    }

    h2 {
        font-size: 1.3rem;
    }

    .spread-text p {
        font-size: 0.95rem;
    }

    blockquote {
        font-size: 1rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .back-cover .spread-grid {
        grid-template-columns: 1fr;
    }

    .back-cover .spread-image.full-bleed {
        height: 40vh;
    }

    .image-placeholder {
        margin: 8px;
    }
}

/* Print styles */
@media print {
    body {
        background-color: white;
    }

    .folio-indicator {
        display: none;
    }

    .spread {
        page-break-inside: avoid;
        height: auto;
        min-height: 100vh;
    }
}