/* ==========================================================
   prototype.quest — Mythic Cartography Chamber
   ========================================================== */

/* ---------- Custom Properties ---------- */
:root {
    --color-deep-cartography:  #0c1222;
    --color-slate-artifact:    #1a2332;
    --color-log-dark:          #0f1826;
    --color-quest-gold:        #d4a574;
    --color-discovery-teal:    #5eead4;
    --color-rose-compass:      #f9a8d4;
    --color-topo-blue:         #8ecae6;
    --color-parchment:         #e8e0d4;
    --color-mist:              #7a8599;

    --font-display: 'Cormorant Garamond', serif;
    --font-body:    'Nunito Sans', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;

    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-gentle: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-deep-cartography);
    color: var(--color-parchment);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.75;
    font-weight: 400;
    overflow-x: hidden;
}

/* ---------- Hero: Map Chamber ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--color-deep-cartography);
    overflow: hidden;
}

/* Topographic SVG layer */
.topo-layer {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.topo-svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Radial vignette overlay */
.hero-vignette {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.4),
                inset 0 0 200px rgba(12, 18, 34, 0.6);
}

/* Hero text content */
.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1.4s var(--transition-gentle) 0.3s forwards;
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-pre-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    color: var(--color-mist);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: 0.12em;
    color: var(--color-parchment);
    line-height: 1.1;
    margin-bottom: 0.75rem;
}

.hero-underline {
    width: 80px;
    height: 1px;
    background: var(--color-quest-gold);
    margin: 0 auto 1.5rem;
    transform-origin: center;
    animation: underlineExpand 1s var(--transition-gentle) 1.2s both;
}

@keyframes underlineExpand {
    from { transform: scaleX(0); opacity: 0; }
    to   { transform: scaleX(1); opacity: 1; }
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--color-mist);
}

/* Scroll hint */
.hero-scroll-hint {
    margin-top: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    opacity: 0;
    animation: fadeIn 1s ease 2s forwards;
}

.scroll-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--color-mist);
    text-transform: uppercase;
}

.scroll-arrow {
    color: var(--color-quest-gold);
    font-size: 1rem;
    animation: bobArrow 2s ease-in-out infinite;
}

@keyframes bobArrow {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(6px); }
}

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

/* ---------- Artifacts Section ---------- */
.artifacts-section {
    padding: 100px 2rem 120px;
    background: var(--color-deep-cartography);
    position: relative;
}

.artifacts-intro {
    text-align: center;
    max-width: 540px;
    margin: 0 auto 72px;
}

.section-heading {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-parchment);
    margin-bottom: 0.75rem;
}

.section-lede {
    font-size: 0.95rem;
    color: var(--color-mist);
    line-height: 1.75;
}

/* Cards deck — shuffled pile layout */
.cards-deck {
    position: relative;
    max-width: 580px;
    margin: 0 auto;
    padding: 32px 0 48px;
    /* Allow cards to overlap via absolute/relative stacking */
}

/* Artifact cards */
.artifact-card {
    background: var(--color-slate-artifact);
    padding: 40px;
    max-width: 520px;
    position: relative;
    border-top: 2px solid transparent;
    /* Paper grain texture via SVG filter */
    filter: url(#paper-grain);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    will-change: transform;
}

/* Staggered deck placement */
.artifact-card:nth-child(1) {
    transform: rotate(-1.8deg) translateX(-24px);
    z-index: 1;
    margin-bottom: -32px;
}

.artifact-card:nth-child(2) {
    transform: rotate(0.8deg) translateX(0px);
    z-index: 2;
    margin-bottom: -32px;
}

.artifact-card:nth-child(3) {
    transform: rotate(2.2deg) translateX(20px);
    z-index: 3;
}

/* Hover: lift card to front */
.artifact-card:hover {
    transform: rotate(0deg) translateX(0) translateY(-8px) scale(1.02) !important;
    z-index: 10;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5),
                0 4px 16px rgba(0, 0, 0, 0.3);
}

/* Color-coded top borders */
.card-gold  { border-top-color: var(--color-quest-gold);    }
.card-teal  { border-top-color: var(--color-discovery-teal); }
.card-rose  { border-top-color: var(--color-rose-compass);  }

.card-accent-bar {
    display: none; /* border-top handles this */
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-mist);
    margin-bottom: 1rem;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.06em;
    color: var(--color-parchment);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-body {
    font-size: 0.9rem;
    color: var(--color-mist);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px dotted var(--color-mist);
}

.card-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-mist);
    letter-spacing: 0.05em;
}

.card-status {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 2px 8px;
    border: 1px solid;
}

.card-status--complete {
    color: var(--color-quest-gold);
    border-color: var(--color-quest-gold);
}

.card-status--active {
    color: var(--color-discovery-teal);
    border-color: var(--color-discovery-teal);
}

.card-status--pending {
    color: var(--color-rose-compass);
    border-color: var(--color-rose-compass);
}

/* SVG filter for paper grain */
.cards-deck::before {
    content: '';
    display: none;
}

/* Inline SVG filter applied globally */
svg.grain-filter {
    position: absolute;
    width: 0;
    height: 0;
}

/* ---------- Manifesto Section ---------- */
.manifesto-section {
    padding: 100px 2rem;
    background: linear-gradient(180deg, var(--color-deep-cartography) 0%, var(--color-slate-artifact) 50%, var(--color-deep-cartography) 100%);
    position: relative;
}

.manifesto-inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.manifesto-rule {
    width: 100%;
    height: 1px;
    border-top: 1px dotted var(--color-mist);
    opacity: 0.4;
    margin: 2.5rem 0;
}

.manifesto-quote {
    padding: 2rem 0;
}

.manifesto-quote p {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.5vw, 1.55rem);
    font-weight: 300;
    font-style: italic;
    color: var(--color-parchment);
    line-height: 1.6;
    letter-spacing: 0.03em;
}

/* Three pillars */
.manifesto-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
    text-align: left;
}

.pillar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pillar-mark {
    font-size: 1rem;
    display: block;
    margin-bottom: 0.25rem;
}

.gold-mark { color: var(--color-quest-gold); }
.teal-mark { color: var(--color-discovery-teal); }
.rose-mark { color: var(--color-rose-compass); }

.pillar-label {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-parchment);
    display: block;
}

.pillar-desc {
    font-size: 0.85rem;
    color: var(--color-mist);
    line-height: 1.65;
}

/* ---------- Expedition Log Footer ---------- */
.expedition-log {
    background: var(--color-log-dark);
    padding: 0;
}

.log-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 2rem 48px;
}

.log-rule {
    width: 100%;
    border: none;
    border-top: 1px dotted var(--color-mist);
    margin: 2rem 0;
    opacity: 0.5;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 2rem;
}

.log-stamp {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.22em;
    color: var(--color-quest-gold);
    text-transform: uppercase;
}

.log-id {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-mist);
    letter-spacing: 0.1em;
}

.log-entries {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.log-entry {
    display: grid;
    grid-template-columns: 120px 20px 1fr;
    align-items: baseline;
    gap: 0.5rem;
}

.log-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-quest-gold);
    letter-spacing: 0.05em;
}

.log-separator {
    font-family: var(--font-mono);
    color: var(--color-mist);
    font-size: 0.8rem;
}

.log-text {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-mist);
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.log-closing {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-parchment);
    text-align: center;
    margin-top: 2rem;
    opacity: 0.8;
}

.log-domain {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-mist);
    text-align: center;
    margin-top: 1rem;
    letter-spacing: 0.2em;
    opacity: 0.5;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--transition-gentle),
                transform 0.8s var(--transition-gentle);
}

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

/* Stagger delay for cards */
.artifact-card.reveal:nth-child(1) { transition-delay: 0s;    }
.artifact-card.reveal:nth-child(2) { transition-delay: 0.12s; }
.artifact-card.reveal:nth-child(3) { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .manifesto-pillars {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .pillar {
        align-items: center;
    }

    .artifact-card:nth-child(1),
    .artifact-card:nth-child(2),
    .artifact-card:nth-child(3) {
        transform: none;
        margin-bottom: 1.5rem;
    }

    .cards-deck {
        padding: 0;
    }

    .log-entry {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }

    .log-separator {
        display: none;
    }
}

@media (max-width: 420px) {
    .hero-title {
        letter-spacing: 0.06em;
    }

    .log-header {
        flex-direction: column;
        gap: 0.5rem;
    }
}