/* freedom.compare - Scholarly Philosophical Comparison */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --warm-parchment: #F8F5EF;
    --warm-left: #EDE8DF;
    --cool-right: #E2E8EF;
    --deep-slate: #2C3E50;
    --neutral-bluegray: #7B8C9D;
    --warm-spectrum: #8B6B4A;
    --cool-spectrum: #4A6B8B;
    --parchment-dark: #D4C8B8;
    --gentle-border: #C8C0B4;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Crimson Pro', serif;
    font-weight: 400;
    font-size: clamp(0.95rem, 1.1vw, 1.05rem);
    line-height: 1.85;
    background-color: var(--warm-parchment);
    color: var(--deep-slate);
    overflow-x: hidden;
}

/* ==================== HERO ==================== */
#hero {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--warm-parchment);
}

.hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.hero-title-main {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    font-size: clamp(3rem, 7vw, 5.5rem);
    color: var(--deep-slate);
    letter-spacing: 0.02em;
    opacity: 0;
    transition: opacity 400ms ease 1000ms;
}

body.loaded .hero-title-main {
    opacity: 1;
}

.hero-title-sub {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    font-style: italic;
    font-size: clamp(3rem, 7vw, 5.5rem);
    color: var(--neutral-bluegray);
    letter-spacing: 0.02em;
    opacity: 0;
    transition: opacity 300ms ease 1400ms;
}

body.loaded .hero-title-sub {
    opacity: 1;
}

.balance-scale {
    opacity: 0;
    transition: opacity 400ms ease 300ms;
}

body.loaded .balance-scale {
    opacity: 1;
}

.scale-beam-group {
    transform-origin: 120px 80px;
    animation: oscillate 4s ease-in-out infinite;
    animation-play-state: paused;
}

body.loaded .scale-beam-group {
    animation-play-state: running;
}

@keyframes oscillate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(2deg); }
    75% { transform: rotate(-2deg); }
}

/* ==================== COMPARISON SECTIONS ==================== */
.comparison {
    display: flex;
    width: 100%;
    min-height: 70vh;
    align-items: stretch;
}

.comp-left {
    flex: 1;
    background: var(--warm-left);
    padding: clamp(2rem, 4vw, 4rem) clamp(1.5rem, 3vw, 3rem);
    padding-right: 48px;
    text-align: right;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 500ms ease, transform 500ms ease;
}

.comp-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.comp-right {
    flex: 1;
    background: var(--cool-right);
    padding: clamp(2rem, 4vw, 4rem) clamp(1.5rem, 3vw, 3rem);
    padding-left: 48px;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 500ms ease, transform 500ms ease;
}

.comp-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.comp-divider {
    width: 1px;
    background: rgba(44, 62, 80, 0.2);
    position: relative;
    flex-shrink: 0;
    transform: scaleY(0);
    transition: transform 400ms ease;
}

.comp-divider.visible {
    transform: scaleY(1);
}

.diamond {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--deep-slate);
    opacity: 0.2;
    transform: translate(-50%, -50%) rotate(45deg);
}

.comp-title {
    font-family: 'Libre Baskerville', serif;
    font-weight: 700;
    font-size: clamp(1.3rem, 2vw, 1.8rem);
    color: var(--deep-slate);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.comp-text {
    font-family: 'Crimson Pro', serif;
    font-weight: 400;
    font-size: clamp(0.95rem, 1.1vw, 1.05rem);
    line-height: 1.85;
    color: var(--deep-slate);
    margin-bottom: 1.5rem;
}

.comp-example {
    font-family: 'Crimson Pro', serif;
    font-size: 0.9rem;
    color: var(--neutral-bluegray);
    line-height: 1.6;
}

.comp-label {
    font-family: 'Raleway', sans-serif;
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--neutral-bluegray);
}

/* ==================== SPECTRUM ==================== */
#spectrum {
    padding: clamp(4rem, 8vw, 8rem) clamp(2rem, 6vw, 6rem);
    background: var(--warm-parchment);
}

.spectrum-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.spectrum-end {
    font-family: 'Raleway', sans-serif;
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}

.spectrum-left { color: var(--warm-spectrum); }
.spectrum-right { color: var(--cool-spectrum); }

.spectrum-bar {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(90deg, #8B6B4A, #7B7B7B, #4A6B8B);
    position: relative;
    overflow: visible;
    opacity: 0;
    transition: opacity 1s ease;
}

.spectrum-bar.visible {
    opacity: 1;
}

.marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    transition: opacity 300ms ease;
}

.marker.visible {
    opacity: 1;
}

.marker-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--deep-slate);
    border: 2px solid var(--warm-parchment);
}

.marker-line {
    width: 1px;
    height: 20px;
    border-left: 1px dashed var(--deep-slate);
    opacity: 0.3;
}

.marker-label {
    font-family: 'Raleway', sans-serif;
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    color: var(--deep-slate);
    white-space: nowrap;
    margin-top: 4px;
}

/* ==================== QUOTATION GALLERY ==================== */
.quote-section {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(3rem, 6vw, 6rem) clamp(2rem, 8vw, 8rem);
    position: relative;
    background: var(--warm-parchment);
}

.deco-quote {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    font-size: 6rem;
    color: var(--neutral-bluegray);
    opacity: 0;
    line-height: 0.6;
    transition: opacity 300ms ease;
    position: absolute;
}

.deco-quote.open {
    top: clamp(2rem, 4vw, 4rem);
    left: clamp(2rem, 8vw, 8rem);
}

.deco-quote.close {
    bottom: clamp(2rem, 4vw, 4rem);
    right: clamp(2rem, 8vw, 8rem);
}

.deco-quote.visible {
    opacity: 0.15;
}

.quote-body {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    font-style: italic;
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    color: var(--deep-slate);
    text-align: center;
    max-width: 700px;
    line-height: 1.6;
    opacity: 0;
    transition: opacity 500ms ease 300ms;
}

.quote-body.visible {
    opacity: 1;
}

.quote-attribution {
    font-family: 'Raleway', sans-serif;
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--neutral-bluegray);
    margin-top: 1.5rem;
    opacity: 0;
    transition: opacity 400ms ease 600ms;
}

.quote-attribution.visible {
    opacity: 1;
}

/* ==================== FOOTER ==================== */
#footer {
    background: var(--deep-slate);
    padding: 3rem 2rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.footer-text {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--parchment-dark);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .comparison {
        flex-direction: column;
    }

    .comp-left {
        text-align: left;
        padding-right: clamp(1.5rem, 3vw, 3rem);
    }

    .comp-divider {
        width: 100%;
        height: 1px;
        transform: scaleX(0);
    }

    .comp-divider.visible {
        transform: scaleX(1);
    }

    .comp-left,
    .comp-right {
        transform: none;
    }

    .spectrum-container {
        flex-direction: column;
        align-items: stretch;
    }

    .spectrum-end {
        text-align: center;
    }

    .marker-label {
        font-size: 0.6rem;
    }
}