/* ============================================
   diplomacy.day — Styles
   Bauhaus pastoral-romantic diplomatic dreamscape
   ============================================ */

:root {
    --midnight-ink: #0b1224;
    --prussian-depth: #152038;
    --candlelit-amber: #d4a547;
    --treaty-silver: #8a9bb5;
    --dawn-rose: #c47a6e;
    --parchment-veil: #e8dcc8;
    --obsidian: #060a14;
}

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

html {
    scroll-behavior: smooth;
    background: var(--midnight-ink);
}

body {
    font-family: 'Source Serif 4', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.3vw, 1.2rem);
    line-height: 1.72;
    letter-spacing: 0.01em;
    color: var(--parchment-veil);
    background: var(--midnight-ink);
    overflow-x: hidden;
}

/* ---- Typography ---- */

.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: clamp(3.5rem, 10vw, 9rem);
    letter-spacing: -0.03em;
    line-height: 0.88;
    color: var(--parchment-veil);
    position: relative;
}

.section-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.4s cubic-bezier(0.23, 1, 0.32, 1), transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.section-title.animated .char {
    opacity: 1;
    transform: translateY(0);
}

.opening-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: clamp(3.5rem, 10vw, 9rem);
    letter-spacing: -0.03em;
    line-height: 0.88;
    color: var(--candlelit-amber);
    text-shadow: 0 0 60px rgba(212, 165, 71, 0.3), 0 0 120px rgba(212, 165, 71, 0.1);
    position: relative;
    z-index: 2;
}

.opening-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.4s cubic-bezier(0.23, 1, 0.32, 1), transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.opening-title.animated .char {
    opacity: 1;
    transform: translateY(0);
}

.opening-subtitle {
    font-family: 'Source Serif 4', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: var(--treaty-silver);
    margin-top: 1.5rem;
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 1s ease 1.5s, transform 1s ease 1.5s;
}

body.loaded .opening-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.mono-label {
    font-family: 'Space Mono', monospace;
    font-weight: 400;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--treaty-silver);
    display: block;
}

strong {
    font-weight: 600;
}

/* ---- Sections ---- */

.section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.section--opening {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--midnight-ink);
}

.section--dawn {
    min-height: 120vh;
    background: var(--prussian-depth);
}

.section--meridian {
    min-height: 120vh;
    background: var(--midnight-ink);
}

.section--dusk {
    min-height: 120vh;
    background: linear-gradient(180deg, var(--midnight-ink) 0%, var(--prussian-depth) 50%, var(--midnight-ink) 100%);
}

.section--night {
    min-height: 120vh;
    background: var(--obsidian);
}

/* ---- Candle Overlay ---- */

.candle-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(ellipse at 75% 15%, #d4a547 0%, transparent 60%);
    opacity: 0.04;
    animation: flicker 4s ease-in-out infinite alternate;
}

@keyframes flicker {
    0%, 100% { opacity: 0.04; }
    23% { opacity: 0.07; }
    47% { opacity: 0.05; }
    71% { opacity: 0.08; }
    89% { opacity: 0.06; }
}

/* ---- Opening ---- */

.opening-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.viz--network {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vmin;
    height: 80vmin;
    opacity: 0.4;
    z-index: 0;
    animation: slowRotate 120s linear infinite;
}

@keyframes slowRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.sigil--opening {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.5;
    z-index: 2;
}

/* ---- Broken Grid Layout ---- */

.section-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 1.2rem;
    padding: 8vh 3vw;
    min-height: 100%;
    z-index: 2;
}

.block {
    position: relative;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1), transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.block.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Dawn layout */
.section--dawn .block--heading {
    grid-column: 1 / 8;
    grid-row: 1;
    padding-top: 6vh;
    --shift-x: -1rem;
    --shift-y: 0;
}

.section--dawn .block--text {
    grid-column: 2 / 9;
    grid-row: 2;
    padding: 2rem 0;
    --shift-x: 0.5rem;
    --shift-y: 1rem;
}

.section--dawn .viz--flow {
    grid-column: 9 / 17;
    grid-row: 1 / 3;
    width: 100%;
    height: auto;
    opacity: 0.6;
    z-index: 0;
    align-self: center;
    mix-blend-mode: soft-light;
}

.section--dawn .block--annotation {
    grid-column: 10 / 15;
    grid-row: 3;
    --shift-x: 1rem;
    --shift-y: -0.5rem;
}

/* Meridian layout */
.section--meridian .block--heading {
    grid-column: 9 / 17;
    grid-row: 1;
    padding-top: 6vh;
    text-align: right;
    --shift-x: 1.5rem;
    --shift-y: 0;
}

.section--meridian .block--text {
    grid-column: 8 / 16;
    grid-row: 2;
    padding: 2rem 0;
    --shift-x: -0.5rem;
    --shift-y: 1.5rem;
}

.section--meridian .viz--compass {
    grid-column: 1 / 8;
    grid-row: 1 / 3;
    width: 100%;
    height: auto;
    opacity: 0.5;
    align-self: center;
    mix-blend-mode: soft-light;
}

.section--meridian .block--annotation {
    grid-column: 2 / 7;
    grid-row: 3;
    --shift-x: -0.5rem;
    --shift-y: 0.5rem;
}

/* Dusk layout */
.section--dusk .block--heading {
    grid-column: 1 / 10;
    grid-row: 1;
    padding-top: 6vh;
    --shift-x: -0.5rem;
    --shift-y: 0;
}

.section--dusk .block--text {
    grid-column: 3 / 10;
    grid-row: 2;
    padding: 2rem 0;
    --shift-x: 1rem;
    --shift-y: -0.5rem;
}

.section--dusk .viz--strata {
    grid-column: 1 / 17;
    grid-row: 3;
    width: 100%;
    height: auto;
    opacity: 0.5;
    mix-blend-mode: soft-light;
}

.section--dusk .block--annotation {
    grid-column: 11 / 16;
    grid-row: 2;
    align-self: end;
    --shift-x: 0.5rem;
    --shift-y: -1rem;
}

/* Night layout */
.section--night .block--heading {
    grid-column: 4 / 14;
    grid-row: 1;
    padding-top: 6vh;
    text-align: center;
    --shift-x: 0;
    --shift-y: 0;
}

.section--night .block--text {
    grid-column: 4 / 13;
    grid-row: 2;
    padding: 2rem 0;
    --shift-x: -0.5rem;
    --shift-y: 1rem;
}

.section--night .viz--constellation {
    grid-column: 1 / 17;
    grid-row: 3;
    width: 100%;
    height: auto;
    opacity: 0.4;
    mix-blend-mode: soft-light;
}

.section--night .block--annotation {
    grid-column: 5 / 10;
    grid-row: 4;
    --shift-x: 0;
    --shift-y: 0;
}

/* Block offset animation */
.block.visible {
    transform: translate(var(--shift-x, 0), var(--shift-y, 0));
}

/* ---- Bauhaus Sigils ---- */

.bauhaus-sigil {
    display: block;
    margin-bottom: 1rem;
    opacity: 0.7;
}

/* ---- Block shadows (candlelight) ---- */

.block--text {
    box-shadow: 0 0 40px rgba(212, 165, 71, 0.08);
    padding: 2rem;
    border-left: 1px solid rgba(212, 165, 71, 0.15);
}

.block--text p + p {
    margin-top: 1.2em;
}

/* ---- Dawn Rose accent ---- */

.section--dawn .section-title {
    color: var(--dawn-rose);
}

/* ---- Data-viz base styles ---- */

.viz {
    pointer-events: none;
}

.viz line, .viz path {
    vector-effect: non-scaling-stroke;
}

/* ---- Colophon ---- */

.colophon {
    height: 30vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--midnight-ink);
    gap: 1.5rem;
}

.colophon-rule {
    width: 120px;
    border: none;
    border-top: 1px solid var(--candlelit-amber);
}

.colophon-domain {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--parchment-veil);
    opacity: 0.7;
}

.colophon-signet {
    opacity: 0.5;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .section-grid {
        display: flex;
        flex-direction: column;
        padding: 6vh 5vw;
        gap: 2rem;
    }

    .viz {
        width: 100% !important;
        max-height: 300px;
    }

    .section-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }

    .opening-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }

    .block--text {
        padding: 1.5rem;
    }
}