/* ==========================================================================
   thesecond.world  -  surreal dreamscape, mirrored dual-world layout
   Palette:
     World A   #1a2744  (deep blue)
     World B   #44261a  (deep amber)
     Mirror    #c0c0d0  (silver)
     Void      #0a0a14
     Portal    #7b68ee  (medium slate blue)
   ========================================================================== */

:root {
    --world-a: #1a2744;
    --world-b: #44261a;
    --mirror: #c0c0d0;
    --void: #0a0a14;
    --portal: #7b68ee;

    --world-a-tint: rgba(26, 39, 68, 0.55);
    --world-b-tint: rgba(68, 38, 26, 0.55);
    --world-a-deep: #0f1a30;
    --world-b-deep: #2e1a10;

    --mirror-soft: rgba(192, 192, 208, 0.85);
    --mirror-dim: rgba(192, 192, 208, 0.45);
    --mirror-faint: rgba(192, 192, 208, 0.18);

    --portal-glow: rgba(123, 104, 238, 0.55);
    --portal-glow-soft: rgba(123, 104, 238, 0.18);

    --font-display: "Cormorant Garamond", "Lora", Georgia, serif;
    --font-body: "Lora", Georgia, serif;
    --font-mono: "Space Mono", "Inter", ui-monospace, monospace;
    --font-ui: "Inter", system-ui, sans-serif;
}

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

html,
body {
    background: var(--void);
    color: var(--mirror);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.75;
    min-height: 100%;
    overflow-x: hidden;
}

body {
    position: relative;
    font-size: 16px;
}

/* Background layers ------------------------------------------------------- */

.void-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 25% 30%, var(--world-a-tint) 0%, transparent 60%),
        radial-gradient(ellipse 80% 60% at 75% 70%, var(--world-b-tint) 0%, transparent 60%),
        radial-gradient(circle at 50% 50%, var(--portal-glow-soft) 0%, transparent 50%),
        var(--void);
    z-index: -2;
    pointer-events: none;
}

.void-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 13% 22%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 27% 71%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 41% 9%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 58% 47%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 71% 18%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 83% 64%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 91% 33%, var(--mirror-faint) 50%, transparent 51%),
        radial-gradient(1px 1px at 6% 88%, var(--mirror-faint) 50%, transparent 51%);
    opacity: 0.6;
    animation: stardrift 60s linear infinite;
}

@keyframes stardrift {
    0% { transform: translateY(0); }
    100% { transform: translateY(-40px); }
}

/* The central mirror line ------------------------------------------------ */

.mirror-line {
    position: fixed;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--mirror-soft) 8%,
        var(--mirror-soft) 92%,
        transparent 100%
    );
    box-shadow: 0 0 10px rgba(192, 192, 208, 0.3);
    transform: translateX(-50%);
    z-index: 5;
    pointer-events: none;
}

.mirror-line::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--portal) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0.6;
    animation: pulse-portal 4s ease-in-out infinite;
}

@keyframes pulse-portal {
    0%, 100% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.85; transform: translate(-50%, -50%) scale(1.6); }
}

/* Stage and scene layout ------------------------------------------------- */

.parallel-stage {
    position: relative;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.scene {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    min-height: 100vh;
    padding: 8vh 0;
    align-items: center;
}

.scene + .scene {
    border-top: 1px solid var(--mirror-faint);
}

.world {
    padding: 4vh 5vw;
    position: relative;
    z-index: 2;
}

.world-a {
    background: linear-gradient(135deg,
        rgba(26, 39, 68, 0.35) 0%,
        rgba(26, 39, 68, 0.05) 100%);
    color: var(--mirror);
    border-right: 1px solid var(--mirror-faint);
}

.world-b {
    background: linear-gradient(225deg,
        rgba(68, 38, 26, 0.35) 0%,
        rgba(68, 38, 26, 0.05) 100%);
    color: #e8d5c0;
    border-left: 1px solid var(--mirror-faint);
    text-align: right;
}

.world-a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 30%, rgba(26, 39, 68, 0.4) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

.world-b::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 70%, rgba(68, 38, 26, 0.4) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* Perspective warp on alternating sides */
.perspective-warp {
    perspective: 800px;
    perspective-origin: 50% 50%;
}

.perspective-warp .world-a {
    transform: rotateY(2deg);
    transform-origin: right center;
}

.perspective-warp .world-b {
    transform: rotateY(-2deg);
    transform-origin: left center;
}

.scene-archive {
    perspective: 1200px;
    perspective-origin: 50% 50%;
}

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

.world-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    color: var(--mirror-dim);
    margin-bottom: 2.4em;
    text-transform: lowercase;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--portal);
    margin-bottom: 1.5em;
    padding-bottom: 0.4em;
    border-bottom: 1px solid var(--mirror-faint);
}

.eyebrow.center {
    display: block;
    text-align: center;
    border-bottom: none;
    border-top: 1px solid var(--mirror-faint);
    border-bottom: 1px solid var(--mirror-faint);
    padding: 0.6em 0;
    max-width: 320px;
    margin: 0 auto 1.2em;
}

.display-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.01em;
    color: var(--mirror);
    margin-bottom: 0.8em;
}

.display-title .line {
    display: block;
}

.display-title .subline {
    font-style: italic;
    font-weight: 500;
    color: var(--portal);
    font-size: 1.18em;
}

.display-title.mirrored {
    color: #e8d5c0;
}

.display-title.mirrored .subline {
    color: #d8a878;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    line-height: 1.15;
    letter-spacing: -0.005em;
    margin-bottom: 0.9em;
    color: var(--mirror);
}

.section-title.center {
    text-align: center;
    color: var(--mirror);
    max-width: 26ch;
    margin: 0 auto 3em;
}

.world-b .section-title {
    color: #e8d5c0;
}

.lede {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.75;
    max-width: 38ch;
    color: rgba(192, 192, 208, 0.78);
    margin-bottom: 2em;
}

.world-b .lede {
    color: rgba(232, 213, 192, 0.78);
    margin-left: auto;
}

.body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.75;
    max-width: 40ch;
    color: rgba(192, 192, 208, 0.75);
    margin-bottom: 1.6em;
}

.world-b .body {
    color: rgba(232, 213, 192, 0.75);
    margin-left: auto;
}

/* Mono "other world" text ------------------------------------------------ */

.mono,
.mono * {
    font-family: var(--font-mono) !important;
}

.mono.section-title,
.mono .section-title,
.world-b.mono .section-title {
    font-size: clamp(1.3rem, 2.4vw, 1.9rem);
    letter-spacing: 0;
    line-height: 1.3;
    font-weight: 700;
}

.mono.display-title,
.mono .display-title {
    font-size: clamp(1.4rem, 2.8vw, 2.1rem);
    letter-spacing: 0;
    line-height: 1.15;
    font-weight: 700;
}

.world-b.mono .lede,
.world-b.mono .body {
    font-size: 0.85rem;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

/* Meta rows --------------------------------------------------------------- */

.meta-row {
    display: flex;
    align-items: center;
    gap: 0.8em;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    color: var(--mirror-dim);
    margin-top: 2em;
}

.world-b .meta-row {
    justify-content: flex-end;
}

.meta-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--portal);
    box-shadow: 0 0 8px var(--portal-glow);
}

.mirror-dot {
    background: #d8a878;
    box-shadow: 0 0 8px rgba(216, 168, 120, 0.55);
}

/* Axioms list ------------------------------------------------------------- */

.axioms {
    list-style: none;
    margin-top: 2em;
}

.axioms li {
    display: flex;
    align-items: baseline;
    gap: 1.2em;
    padding: 1em 0;
    border-top: 1px solid var(--mirror-faint);
}

.axioms li:last-child {
    border-bottom: 1px solid var(--mirror-faint);
}

.axiom-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--portal);
    letter-spacing: 0.1em;
    flex-shrink: 0;
    min-width: 2em;
}

.axiom-text {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(192, 192, 208, 0.85);
    flex: 1;
}

.world-b .axioms li {
    flex-direction: row;
    justify-content: flex-end;
    text-align: right;
}

.world-b .axiom-text {
    color: rgba(232, 213, 192, 0.85);
}

.mono-list .axiom-text {
    font-family: var(--font-mono) !important;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

.mono-list .axiom-num {
    color: #d8a878;
}

/* Archive scene ----------------------------------------------------------- */

.scene-archive {
    grid-template-columns: 1fr;
    padding: 12vh 0;
}

.scene-header {
    grid-column: 1 / -1;
    margin-bottom: 4vh;
    padding: 0 5vw;
}

.archive-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    width: 100%;
}

.entry {
    padding: 3vh 5vw;
    border-top: 1px solid var(--mirror-faint);
    transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1), background 0.6s ease;
}

.entry.world-a {
    border-right: 1px solid var(--mirror-faint);
    background: linear-gradient(135deg, rgba(26, 39, 68, 0.2) 0%, transparent 100%);
}

.entry.world-b {
    border-left: 1px solid var(--mirror-faint);
    background: linear-gradient(225deg, rgba(68, 38, 26, 0.2) 0%, transparent 100%);
    text-align: right;
}

.entry:hover {
    transform: translateY(-4px);
}

.entry.world-a:hover {
    background: linear-gradient(135deg, rgba(26, 39, 68, 0.45) 0%, rgba(123, 104, 238, 0.05) 100%);
}

.entry.world-b:hover {
    background: linear-gradient(225deg, rgba(68, 38, 26, 0.45) 0%, rgba(123, 104, 238, 0.05) 100%);
}

.entry-stamp {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.22em;
    color: var(--portal);
    margin-bottom: 0.9em;
}

.entry.world-b .entry-stamp {
    color: #d8a878;
}

.entry-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.5rem;
    line-height: 1.2;
    margin-bottom: 0.7em;
    color: var(--mirror);
}

.entry.world-b .entry-title {
    color: #e8d5c0;
}

.entry.world-b.mono .entry-title {
    font-family: var(--font-mono) !important;
    font-size: 1.05rem;
    letter-spacing: 0;
    font-weight: 700;
}

.entry-body {
    font-size: 0.92rem;
    line-height: 1.7;
    color: rgba(192, 192, 208, 0.7);
    max-width: 38ch;
}

.entry.world-b .entry-body {
    color: rgba(232, 213, 192, 0.7);
    margin-left: auto;
}

.entry.world-b.mono .entry-body {
    font-family: var(--font-mono) !important;
    font-size: 0.78rem;
    letter-spacing: 0.01em;
}

/* Portal scene ------------------------------------------------------------ */

.scene-portal {
    min-height: 110vh;
    align-items: center;
    overflow: hidden;
}

.portal-side {
    padding: 6vh 8vw;
    position: relative;
}

.portal {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 4;
}

.portal-hero {
    width: 240px;
    height: 240px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle,
        var(--portal-glow) 0%,
        var(--portal-glow-soft) 35%,
        transparent 70%);
    filter: blur(2px);
    animation: portal-breathe 6s ease-in-out infinite;
}

.portal-doctrine {
    width: 160px;
    height: 160px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle,
        var(--portal-glow) 0%,
        transparent 60%);
    filter: blur(1px);
    animation: portal-breathe 8s ease-in-out infinite;
}

.portal-small {
    width: 90px;
    height: 90px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--portal-glow) 0%, transparent 70%);
    filter: blur(1px);
}

.portal-large {
    width: clamp(260px, 36vw, 480px);
    height: clamp(260px, 36vw, 480px);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
}

.portal-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--portal);
    opacity: 0.45;
    animation: portal-spin 24s linear infinite;
}

.portal-ring-2 {
    inset: 12%;
    border-color: var(--mirror-soft);
    opacity: 0.35;
    animation: portal-spin 18s linear infinite reverse;
}

.portal-ring-3 {
    inset: 24%;
    border-color: var(--portal);
    opacity: 0.55;
    animation: portal-spin 12s linear infinite;
    border-style: dashed;
}

.portal-core {
    position: absolute;
    inset: 36%;
    border-radius: 50%;
    background: radial-gradient(circle,
        var(--portal) 0%,
        var(--portal-glow) 40%,
        transparent 80%);
    filter: blur(8px);
    animation: portal-breathe 5s ease-in-out infinite;
}

@keyframes portal-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes portal-breathe {
    0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

.portal-core {
    /* override transform for inner core (no translate) */
    animation-name: core-breathe;
}

@keyframes core-breathe {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.18); }
}

/* Cross-over button ------------------------------------------------------- */

.cross-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8em;
    margin-top: 2em;
    padding: 0.95em 1.8em;
    background: transparent;
    border: 1px solid var(--mirror-soft);
    color: var(--mirror);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    transition: all 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
    overflow: hidden;
}

.cross-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        var(--portal-glow-soft) 0%,
        var(--portal-glow) 50%,
        var(--portal-glow-soft) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
    z-index: -1;
}

.cross-btn:hover {
    border-color: var(--portal);
    color: #fff;
    box-shadow: 0 0 24px var(--portal-glow);
}

.cross-btn:hover::before {
    transform: translateX(0);
}

.cross-btn-arrow {
    transition: transform 0.4s ease;
    font-size: 1.1em;
}

.cross-btn:hover .cross-btn-arrow {
    transform: translateX(6px);
}

.cross-btn-mirrored {
    font-family: var(--font-mono) !important;
    color: #e8d5c0;
    border-color: #d8a878;
}

.cross-btn-mirrored:hover .cross-btn-arrow {
    transform: translateX(-6px);
}

.cross-btn-mirrored:hover {
    border-color: var(--portal);
    color: #fff;
}

/* Coda -------------------------------------------------------------------- */

.scene-coda {
    min-height: 60vh;
    padding: 10vh 0;
}

.coda-line {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    color: var(--mirror-dim);
    margin-bottom: 1.4em;
}

.coda-statement {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 1.8vw, 1.5rem);
    font-weight: 500;
    font-style: italic;
    line-height: 1.5;
    color: var(--mirror);
    margin-bottom: 2.4em;
    max-width: 32ch;
}

.world-b .coda-statement {
    color: #e8d5c0;
    margin-left: auto;
}

.world-b.mono .coda-statement {
    font-family: var(--font-mono) !important;
    font-size: clamp(0.85rem, 1.3vw, 1.05rem);
    font-style: normal;
    letter-spacing: 0.01em;
}

.coda-meta {
    display: flex;
    gap: 1em;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    color: var(--mirror-dim);
}

.world-b .coda-meta {
    justify-content: flex-end;
}

.meta-divider {
    color: var(--portal);
    opacity: 0.7;
}

/* Cursor echo (the parallel cursor) -------------------------------------- */

.cursor-echo {
    position: fixed;
    top: 0;
    left: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--portal-glow) 0%, transparent 70%);
    border: 1px solid var(--mirror-dim);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 100;
    mix-blend-mode: screen;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.cursor-echo.is-visible {
    opacity: 0.85;
}

/* Reveal animations ------------------------------------------------------ */

.scene {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.scene.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

.scene-hero {
    opacity: 1;
    transform: none;
}

/* Crossing state (when cross-btn engaged) -------------------------------- */

body.is-crossing .world-a {
    background: linear-gradient(135deg, rgba(68, 38, 26, 0.35) 0%, rgba(68, 38, 26, 0.05) 100%);
}

body.is-crossing .world-b {
    background: linear-gradient(225deg, rgba(26, 39, 68, 0.35) 0%, rgba(26, 39, 68, 0.05) 100%);
}

body.is-crossing .mirror-line {
    box-shadow: 0 0 24px rgba(123, 104, 238, 0.6);
}

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

@media (max-width: 820px) {
    .scene {
        grid-template-columns: 1fr;
    }

    .scene-archive .archive-grid {
        grid-template-columns: 1fr;
    }

    .world-a {
        border-right: none;
        border-bottom: 1px solid var(--mirror-faint);
    }

    .world-b {
        border-left: none;
        text-align: left;
    }

    .world-b .lede,
    .world-b .body,
    .world-b .entry-body,
    .world-b .coda-statement,
    .world-b .meta-row,
    .world-b .coda-meta {
        margin-left: 0;
        justify-content: flex-start;
    }

    .world-b .axioms li {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }

    .mirror-line {
        display: none;
    }

    .entry.world-a,
    .entry.world-b {
        border-left: none;
        border-right: none;
    }

    .perspective-warp .world-a,
    .perspective-warp .world-b {
        transform: none;
    }
}

/* Reduced motion --------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .perspective-warp .world-a,
    .perspective-warp .world-b {
        transform: none;
    }

    .scene {
        opacity: 1;
        transform: none;
    }
}