/* ============================================================
   layer-2.quest -- Memphis bold shapes meets retro-futuristic
   Palette: #1a1a2e #ff6b6b #ffd93d #6bcb77 #4ecdc4 #e8e8f0 #252545 #3a3a5a
   Type: Bungee (display) / Rubik (body) / Fira Mono (code)
   ============================================================ */

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

:root {
    --bg: #1a1a2e;
    --surface: #252545;
    --line: #3a3a5a;
    --text: #e8e8f0;
    --red: #ff6b6b;
    --yellow: #ffd93d;
    --green: #6bcb77;
    --teal: #4ecdc4;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Rubik', system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.75;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- XP progress bar (fixed) ---------- */
.xp-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(58, 58, 90, 0.6);
    z-index: 1000;
}

.xp-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff6b6b 0%, #ffd93d 50%, #6bcb77 100%);
    width: 0%;
    transition: width 90ms linear;
    box-shadow: 0 0 12px rgba(255, 217, 61, 0.6);
}

/* ---------- Memphis scattered shapes (decorative) ---------- */
.memphis-scatter {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.m-shape {
    position: absolute;
    opacity: 0.08;
    animation: floatShape 6s ease-in-out infinite;
}

.m-shape.m-circle {
    border-radius: 50%;
    border: 3px solid currentColor;
}

.m-shape.m-disc {
    border-radius: 50%;
    background: currentColor;
}

.m-shape.m-triangle {
    width: 0 !important;
    height: 0 !important;
    background: transparent !important;
    border-left-style: solid;
    border-right-style: solid;
    border-bottom-style: solid;
    border-left-color: transparent;
    border-right-color: transparent;
}

.m-shape.m-square {
    background: currentColor;
}

.m-shape.m-ring {
    border-radius: 50%;
    border: 3px solid currentColor;
    background: transparent;
}

.m-shape.m-zig {
    background: repeating-linear-gradient(
        90deg,
        currentColor 0,
        currentColor 6px,
        transparent 6px,
        transparent 12px
    );
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) rotate(var(--rot, 0deg)); }
    50%      { transform: translate(0, -6px) rotate(calc(var(--rot, 0deg) + 4deg)); }
}

/* ---------- Dotted graph-paper background applied to sections ---------- */
.dotgrid-bg {
    background-image: radial-gradient(circle, var(--line) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
}

/* ============================================================
   HERO -- The Quest Map
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 6rem 1.5rem 7rem;
    background: var(--bg);
    background-image: radial-gradient(circle, rgba(58,58,90,0.55) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    overflow: hidden;
    isolation: isolate;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    color: var(--yellow);
    background: rgba(37, 37, 69, 0.7);
    padding: 0.45rem 0.9rem;
    border: 1px solid rgba(255, 217, 61, 0.3);
    border-radius: 999px;
    letter-spacing: 0.08em;
    margin-bottom: 1.2rem;
}

.tag-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.55; transform: scale(0.8); }
}

.hero-title {
    font-family: 'Bungee', 'Rubik', sans-serif;
    font-weight: 400;
    font-size: clamp(2.4rem, 6vw, 4.6rem);
    line-height: 1.0;
    letter-spacing: 0.01em;
    color: var(--text);
    text-transform: lowercase;
    margin: 0.3rem 0 1.2rem;
    text-shadow:
        4px 4px 0 var(--red),
        8px 8px 0 var(--yellow);
}

.hero-sub {
    font-family: 'Rubik', sans-serif;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    color: var(--text);
    opacity: 0.85;
    max-width: 38ch;
    margin-bottom: 2rem;
}

.quest-map {
    width: 100%;
    height: auto;
    max-width: 540px;
    justify-self: end;
    filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.5));
}

.quest-path {
    stroke-dashoffset: 0;
    animation: dashFlow 12s linear infinite;
}

@keyframes dashFlow {
    to { stroke-dashoffset: -200; }
}

.waypoint {
    transform-box: fill-box;
    transform-origin: center;
    animation: waypointPulse 3s ease-in-out infinite;
}

.waypoint-2 { animation-delay: 0.6s; }
.waypoint-3 { animation-delay: 1.2s; }
.waypoint-4 { animation-delay: 1.8s; }

@keyframes waypointPulse {
    0%, 100% { transform: translate(var(--tx, 0), var(--ty, 0)) scale(1); }
    50%      { transform: translate(var(--tx, 0), var(--ty, 0)) scale(1.08); }
}

.hero-meta {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.meta-chip {
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    color: var(--teal);
    text-transform: uppercase;
}

.scroll-arrow {
    width: 22px;
    height: 22px;
    animation: bounce 1.8s ease-in-out infinite;
}

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

/* ---------- Zigzag connector between sections ---------- */
.zigzag-connector {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 38px;
    z-index: 3;
}

/* ============================================================
   LEVEL SECTIONS -- diagonal clip-path transitions
   ============================================================ */
.level {
    position: relative;
    padding: 8vw 1.5rem;
    margin-top: -3vw;
    overflow: hidden;
    isolation: isolate;
    background-image: radial-gradient(circle, rgba(58,58,90,0.55) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
}

.level-odd {
    background-color: var(--bg);
    background-image:
        radial-gradient(circle, rgba(58,58,90,0.55) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    clip-path: polygon(0 3vw, 100% 0, 100% calc(100% - 3vw), 0 100%);
}

.level-even {
    background-color: var(--surface);
    background-image:
        radial-gradient(circle, rgba(58,58,90,0.7) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    clip-path: polygon(0 0, 100% 3vw, 100% 100%, 0 calc(100% - 3vw));
}

.level-inner {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 3vw 0;
}

.level-head {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    margin-bottom: 2.4rem;
}

/* ---------- Level Badges (geometric shapes) ---------- */
.badge {
    position: relative;
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.badge .badge-num {
    position: relative;
    z-index: 2;
    font-family: 'Bungee', sans-serif;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--bg);
}

.badge::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
}

.badge-circle::before {
    background: var(--red);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.18);
}

.badge-triangle {
    width: 70px;
    height: 64px;
}
.badge-triangle::before {
    background: var(--yellow);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}
.badge-triangle .badge-num {
    transform: translateY(8px);
}

.badge-square::before {
    background: var(--green);
    transform: rotate(8deg);
    box-shadow: 0 0 0 4px rgba(107, 203, 119, 0.18);
}

.badge-hexagon::before {
    background: var(--teal);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    box-shadow: 0 0 0 4px rgba(78, 205, 196, 0.18);
}

.level-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.level-eyebrow {
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    color: var(--teal);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.level-title {
    font-family: 'Bungee', sans-serif;
    font-weight: 400;
    font-size: clamp(1.6rem, 3.6vw, 2.6rem);
    line-height: 1.1;
    color: var(--text);
    text-transform: lowercase;
}

.level-body { display: grid; gap: 2rem; }

.lead {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text);
    max-width: 70ch;
    opacity: 0.92;
}

.lead strong {
    color: var(--yellow);
    font-weight: 700;
}

/* ---------- Quest cards ---------- */
.quest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.4rem;
}

.quest-card {
    position: relative;
    background: rgba(26, 26, 46, 0.55);
    border: 2px solid var(--line);
    border-left-width: 6px;
    border-left-color: var(--card-color, var(--teal));
    border-radius: 6px;
    padding: 1.6rem 1.4rem;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease;
    overflow: hidden;
}

.quest-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.quest-card:hover {
    transform: translateY(-4px);
    border-color: var(--card-color, var(--teal));
}

.quest-card::after {
    content: '';
    position: absolute;
    right: -20px;
    top: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--card-color, var(--teal));
    opacity: 0.07;
}

.quest-tag {
    display: inline-block;
    font-family: 'Fira Mono', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.25rem 0.7rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.9rem;
}

.quest-card h3 {
    font-family: 'Bungee', sans-serif;
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 0.6rem;
    line-height: 1.25;
    text-transform: lowercase;
}

.quest-card p {
    font-size: 0.95rem;
    color: var(--text);
    opacity: 0.78;
    margin-bottom: 1rem;
    line-height: 1.65;
}

.snippet {
    display: inline-block;
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    color: var(--yellow);
    background: rgba(58, 58, 90, 0.55);
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    border-left: 2px solid var(--yellow);
}

/* ---------- Stack diagram (level 4) ---------- */
.stack-diagram {
    display: grid;
    gap: 0.8rem;
    max-width: 700px;
}

.stack-layer {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.4rem;
    background: rgba(26, 26, 46, 0.6);
    border: 2px solid var(--line);
    border-left: 6px solid var(--c, var(--teal));
    border-radius: 5px;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stack-layer.visible {
    opacity: 1;
    transform: translateX(0);
}

.stack-tag {
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--c, var(--teal));
    letter-spacing: 0.12em;
}

.stack-name {
    font-family: 'Bungee', sans-serif;
    font-size: 1rem;
    color: var(--text);
    text-transform: lowercase;
}

.stack-meta {
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    color: var(--text);
    opacity: 0.55;
}

/* ============================================================
   BOSS / Leaderboard
   ============================================================ */
.boss {
    position: relative;
    padding: 8vw 1.5rem;
    margin-top: -3vw;
    background-color: var(--bg);
    background-image: radial-gradient(circle, rgba(58,58,90,0.55) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    clip-path: polygon(0 3vw, 100% 0, 100% 100%, 0 100%);
    overflow: hidden;
    isolation: isolate;
}

.boss-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.boss-head { text-align: center; margin-bottom: 3rem; }

.boss-eyebrow {
    font-family: 'Fira Mono', monospace;
    font-size: 0.78rem;
    color: var(--red);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.boss-title {
    font-family: 'Bungee', sans-serif;
    font-weight: 400;
    font-size: clamp(1.8rem, 4.5vw, 3rem);
    color: var(--text);
    text-transform: lowercase;
    margin: 0.3rem 0 0.6rem;
    text-shadow:
        3px 3px 0 var(--red),
        6px 6px 0 var(--yellow);
}

.boss-sub {
    color: var(--text);
    opacity: 0.75;
    font-size: 1rem;
    max-width: 50ch;
    margin: 0 auto;
}

.leaderboard {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.lb-row {
    display: grid;
    grid-template-columns: 60px 1fr auto auto;
    gap: 1.2rem;
    align-items: center;
    background: rgba(37, 37, 69, 0.7);
    padding: 1.1rem 1.4rem;
    border: 2px solid var(--line);
    border-left: 6px solid var(--row-color, var(--teal));
    border-radius: 5px;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.lb-row.visible {
    opacity: 1;
    transform: translateX(0);
}

.lb-rank {
    font-family: 'Bungee', sans-serif;
    font-size: 1.4rem;
    color: var(--row-color, var(--teal));
    line-height: 1;
}

.lb-name {
    font-family: 'Fira Mono', monospace;
    font-size: 1rem;
    color: var(--text);
}

.lb-meta {
    font-family: 'Rubik', sans-serif;
    font-size: 0.85rem;
    color: var(--text);
    opacity: 0.55;
}

.lb-score {
    font-family: 'Bungee', sans-serif;
    font-size: 0.95rem;
    color: var(--yellow);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    position: relative;
    padding: 5rem 1.5rem 4rem;
    background: var(--surface);
    text-align: center;
    border-top: 3px dashed var(--line);
}

.footer-inner {
    max-width: 700px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    margin-bottom: 0.5rem;
}

.footer-mark {
    color: var(--red);
    font-size: 1.4rem;
}

.footer-name {
    font-family: 'Bungee', sans-serif;
    font-size: 1.4rem;
    color: var(--text);
    text-transform: lowercase;
}

.footer-tag {
    font-family: 'Fira Mono', monospace;
    font-size: 0.85rem;
    color: var(--text);
    opacity: 0.55;
    margin-bottom: 1rem;
}

.footer-fine {
    font-size: 0.85rem;
    color: var(--text);
    opacity: 0.55;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 880px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .quest-map { justify-self: center; max-width: 420px; }
    .hero { padding: 5rem 1.25rem 6rem; }
    .level { padding: 11vw 1.25rem; }
    .level-head { gap: 1rem; }
    .badge { width: 54px; height: 54px; }
    .badge-triangle { width: 60px; }
    .badge .badge-num { font-size: 1.3rem; }
    .lb-row {
        grid-template-columns: 50px 1fr auto;
    }
    .lb-meta { display: none; }
}

@media (max-width: 540px) {
    .stack-layer {
        grid-template-columns: 60px 1fr;
        gap: 0.6rem;
    }
    .stack-meta { grid-column: 1 / -1; }
    .quest-grid { grid-template-columns: 1fr; }
    .hero-title {
        text-shadow:
            3px 3px 0 var(--red),
            6px 6px 0 var(--yellow);
    }
}