/* ==============================================
   continua.quest -- Chromatic Continuum
   Scroll-driven gradient, topology, zero containers
   ============================================== */

:root {
    --void-indigo: #1b0a3c;
    --transition-violet: #5b2d8e;
    --continuum-rose: #c44b6c;
    --meridian-gold: #e8a848;
    --parchment-light: #f5e6c8;
    --deep-space: #0f0a1a;
    --lavender-mist: #ede4f5;
    --seafoam-trace: #7ee8c7;

    --scroll-progress: 0;

    --font-display: 'Bodoni Moda', serif;
    --font-body: 'Commissioner', sans-serif;
    --font-accent: 'Space Grotesk', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--void-indigo);
    color: var(--lavender-mist);
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    line-height: 1.85;
    letter-spacing: 0.01em;
    overflow-x: hidden;
    transition: background-color 0.1s linear, color 0.1s linear;
}

/* --- Scroll Progress Indicator --- */
.progress-track {
    position: fixed;
    right: 16px;
    top: 5%;
    bottom: 5%;
    width: 1px;
    background: currentColor;
    opacity: 0.3;
    z-index: 100;
}

.progress-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--seafoam-trace);
    transition: top 0.1s linear;
    box-shadow: 0 0 8px rgba(126, 232, 199, 0.4);
}

/* --- Continuum SVG Line --- */
.continuum-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

#continuumLine {
    stroke-dasharray: 5000;
    stroke-dashoffset: 5000;
    transition: stroke-dashoffset 0.15s linear;
}

/* --- Flow Container --- */
.flow {
    position: relative;
    z-index: 10;
}

/* --- Content Islands --- */
.island {
    margin: 18vh auto;
    max-width: clamp(320px, 55vw, 720px);
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.5s cubic-bezier(0.25, 0.1, 0.25, 1), transform 1.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

.island-center {
    text-align: center;
}

.island-left {
    max-width: 45vw;
    margin-left: 10vw;
    margin-right: auto;
}

.island-right {
    max-width: 45vw;
    margin-left: auto;
    margin-right: 10vw;
}

.island-wide {
    max-width: 90vw;
}

/* --- Domain Name --- */
.domain-top {
    margin-top: 40vh;
}

.domain-name {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--lavender-mist);
    opacity: 0;
    animation: domainFade 1s ease 1s forwards;
}

@keyframes domainFade {
    to { opacity: 1; }
}

/* --- Hero Text --- */
.hero-text {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(3rem, 8vw, 7rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--lavender-mist);
}

.hero-island {
    margin-top: 10vh;
    margin-bottom: 25vh;
}

/* --- Body Text --- */
.body-text {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    line-height: 1.85;
    letter-spacing: 0.01em;
    transition: font-variation-settings 1.5s ease;
}

/* --- Gradient Orbs --- */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    animation: orbPulse 6s ease-in-out infinite;
}

.orb-violet {
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(91, 45, 142, 0.5) 0%, rgba(91, 45, 142, 0.2) 40%, transparent 100%);
    top: -30px;
    right: -40px;
    mix-blend-mode: screen;
}

.orb-rose {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(196, 75, 108, 0.5) 0%, rgba(196, 75, 108, 0.2) 40%, transparent 100%);
    bottom: -20px;
    left: -30px;
    mix-blend-mode: screen;
}

.orb-amber {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(232, 168, 72, 0.4) 0%, rgba(232, 168, 72, 0.15) 40%, transparent 100%);
    top: 50%;
    right: -50px;
    transform: translateY(-50%);
    mix-blend-mode: multiply;
}

@keyframes orbPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.orb-amber {
    animation: orbPulseAmber 6s ease-in-out infinite;
}

@keyframes orbPulseAmber {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(-50%) scale(1.08); }
}

/* --- Topology Marks --- */
.topology-mark {
    display: flex;
    justify-content: center;
    margin: 4vh auto;
    opacity: 0.4;
    color: var(--lavender-mist);
    animation: topoRotate 30s linear infinite;
}

@keyframes topoRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Terminus --- */
.terminus {
    margin-bottom: 10vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.terminus-arrow {
    font-family: var(--font-accent);
    font-weight: 500;
    font-size: clamp(0.65rem, 1vw, 0.8rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--seafoam-trace);
    opacity: 0.6;
}

.continuum-end-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--seafoam-trace);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .island-left,
    .island-right {
        max-width: 85vw;
        margin-left: auto;
        margin-right: auto;
    }

    .island-wide {
        max-width: 95vw;
    }

    .progress-track {
        right: 8px;
    }

    .hero-text {
        font-size: clamp(2rem, 10vw, 4rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .gradient-orb {
        animation: none;
    }

    .topology-mark {
        animation: none;
    }

    .island {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .domain-name {
        animation: none;
        opacity: 1;
    }

    #continuumLine {
        stroke-dashoffset: 0;
        transition: none;
    }
}