:root {
    --home-bg: #09111f;
    --home-surface: rgba(13, 21, 39, 0.78);
    --home-surface-strong: rgba(9, 16, 31, 0.92);
    --home-border: rgba(255, 255, 255, 0.08);
    --home-border-bright: rgba(0, 188, 212, 0.28);
    --home-text: #e6f7fb;
    --home-muted: #9bb4c6;
    --home-primary: #00bcd4;
    --home-accent: #ff6b9a;
    --home-warm: #ffb74d;
    --home-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", "Trebuchet MS", sans-serif;
    color: var(--home-text);
    background:
        radial-gradient(circle at 15% 10%, rgba(0, 188, 212, 0.16), transparent 24%),
        radial-gradient(circle at 80% 16%, rgba(255, 107, 154, 0.14), transparent 20%),
        linear-gradient(180deg, #09111f 0%, #0d1830 48%, #09111f 100%);
}

a {
    color: inherit;
}

.home-underlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.home-underlay-frame {
    width: 100%;
    height: 100%;
    border: 0;
    opacity: 0.34;
    filter: saturate(0.78) blur(1.2px);
    transform: scale(1.03);
}

.home-underlay-tint {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(9, 16, 31, 0.46), rgba(9, 16, 31, 0.72)),
        radial-gradient(circle at center, rgba(0, 188, 212, 0.08), transparent 36%);
}

button {
    font: inherit;
}

.home-page {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 24px 24px 48px;
}

.site-header {
    position: sticky;
    top: 16px;
    z-index: 40;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 18px;
    margin-bottom: 28px;
    padding: 16px 18px;
    border: 1px solid var(--home-border-bright);
    border-radius: 22px;
    background: rgba(8, 13, 26, 0.58);
    backdrop-filter: blur(16px);
    box-shadow: var(--home-shadow);
}

.brand-mark {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.brand-pill,
.section-kicker {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid var(--home-border-bright);
    background: rgba(255, 255, 255, 0.04);
    color: var(--home-primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.72rem;
}

.brand-name {
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.site-nav,
.auth-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.site-nav {
    justify-content: center;
}

.site-nav a,
.auth-nav a {
    padding: 9px 14px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--home-muted);
    transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover,
.auth-nav a:hover {
    color: var(--home-text);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

.nav-cta,
.btn-highlight {
    border: 1px solid var(--home-border-bright);
    color: var(--home-primary) !important;
}

main {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.content-section,
.hero-section {
    border: 1px solid var(--home-border);
    border-radius: 30px;
    background: linear-gradient(180deg, rgba(7,12,24,0.56), rgba(255,255,255,0.03));
    box-shadow: var(--home-shadow);
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.content-section.is-visible,
.hero-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-section {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
    gap: 28px;
    padding: 34px;
}

.hero-copy h1,
.section-heading h2 {
    margin: 14px 0 14px;
    line-height: 1.04;
}

.hero-copy h1 {
    font-size: clamp(2.5rem, 4.4vw, 5rem);
    max-width: 10ch;
}

.hero-copy p,
.section-heading p,
.signal-caption p,
.roadmap-card p,
.tool-card p,
.ecosystem-stage p,
.feature-item span,
.feature-panel p {
    color: var(--home-muted);
    line-height: 1.72;
}

.hero-actions,
.explainer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 24px;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 13px 18px;
    min-width: 180px;
    border: 1px solid transparent;
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--home-primary), #35d9eb);
    color: #03131b;
    box-shadow: 0 16px 28px rgba(0, 188, 212, 0.22);
}

.btn-secondary {
    background: rgba(7, 12, 24, 0.5);
    border-color: var(--home-border-bright);
    color: var(--home-text);
}

.hero-metrics,
.roadmap-grid,
.tool-grid {
    display: grid;
    gap: 16px;
}

.hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 28px;
}

.metric-card,
.roadmap-card,
.tool-card,
.feature-panel {
    padding: 18px;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,0.07);
    background: rgba(255,255,255,0.04);
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--home-primary);
}

.metric-label {
    color: var(--home-muted);
    font-size: 0.92rem;
}

.hero-visual {
    position: relative;
    min-height: 100%;
    padding: 24px;
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.06);
    background:
        radial-gradient(circle at center, rgba(0, 188, 212, 0.12), transparent 35%),
        rgba(8, 14, 29, 0.58);
    overflow: hidden;
}

.signal-orb {
    position: absolute;
    inset: auto auto 24px 24px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,188,212,0.32), transparent 68%);
    filter: blur(8px);
    animation: pulseOrb 5s ease-in-out infinite;
}

.signal-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.signal-node,
.ecosystem-stage,
.feature-item {
    text-align: left;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(7, 12, 24, 0.42);
    color: var(--home-text);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.signal-node {
    padding: 18px;
    border-radius: 18px;
}

.signal-node:hover,
.signal-node.active,
.ecosystem-stage:hover,
.feature-item:hover,
.feature-item.active,
.tool-card:hover {
    transform: translateY(-3px);
    border-color: var(--home-border-bright);
    background: rgba(255,255,255,0.08);
}

.signal-node.featured,
.ecosystem-stage.featured {
    background: linear-gradient(135deg, rgba(0,188,212,0.18), rgba(255,107,154,0.08));
}

.signal-caption {
    position: relative;
    z-index: 1;
    margin-top: 20px;
}

.signal-caption span {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.content-section {
    padding: 28px;
}

.section-heading {
    max-width: 780px;
    margin-bottom: 24px;
}

.ecosystem-map {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.ecosystem-stage {
    padding: 20px;
    border-radius: 22px;
}

.stage-number,
.roadmap-step,
.tool-icon {
    display: inline-flex;
    margin-bottom: 14px;
    color: var(--home-primary);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tool-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tool-card {
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.tool-card h3,
.roadmap-card h3,
.feature-panel h3 {
    margin: 0 0 10px;
}

.tool-link {
    display: inline-flex;
    margin-top: 18px;
    color: var(--home-primary);
    font-weight: 700;
}

.environment-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
    gap: 22px;
    align-items: center;
}

.environment-stage,
.environment-copy {
    min-width: 0;
}

.environment-screen {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 380px;
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.08);
    background:
        radial-gradient(circle at center, rgba(0,188,212,0.16), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    overflow: hidden;
}

.environment-glow,
.environment-ring {
    position: absolute;
    border-radius: 50%;
}

.environment-glow {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(255,107,154,0.24), transparent 72%);
    filter: blur(10px);
}

.environment-ring {
    border: 1px solid rgba(255,255,255,0.1);
}

.ring-one {
    width: 220px;
    height: 220px;
    animation: rotateRing 10s linear infinite;
}

.ring-two {
    width: 300px;
    height: 300px;
    border-color: rgba(0,188,212,0.22);
    animation: rotateRing 16s linear infinite reverse;
}

.environment-core {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0,188,212,0.3), rgba(255,107,154,0.18));
    border: 1px solid rgba(255,255,255,0.08);
    font-weight: 800;
    letter-spacing: 0.08em;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
    border-radius: 18px;
}

.roadmap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.site-footer {
    padding: 24px 4px 8px;
    text-align: center;
    color: var(--home-muted);
}

.explainer-modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 100;
}

.explainer-modal.is-open {
    visibility: visible;
    opacity: 1;
}

.explainer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 8, 18, 0.76);
    backdrop-filter: blur(8px);
}

.explainer-dialog {
    position: relative;
    z-index: 1;
    width: min(720px, 100%);
    padding: 28px;
    border-radius: 28px;
    border: 1px solid var(--home-border-bright);
    background: var(--home-surface-strong);
    box-shadow: var(--home-shadow);
}

.explainer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: var(--home-text);
    font-size: 1.4rem;
    cursor: pointer;
}

.explainer-dialog h2 {
    margin: 16px 0 10px;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.explainer-dialog p {
    color: var(--home-muted);
    line-height: 1.72;
}

.explainer-list {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.explainer-point {
    padding: 15px 16px;
    border-radius: 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
}

@keyframes pulseOrb {
    0%, 100% { transform: scale(1); opacity: 0.85; }
    50% { transform: scale(1.08); opacity: 1; }
}

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

@media (max-width: 1180px) {
    .site-header {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .site-nav {
        justify-content: start;
    }

    .hero-section,
    .environment-layout {
        grid-template-columns: 1fr;
    }

    .ecosystem-map {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tool-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .home-page {
        padding: 16px 16px 36px;
    }

    .home-underlay-frame {
        opacity: 0.24;
        transform: scale(1.02);
    }

    .hero-section,
    .content-section,
    .explainer-dialog {
        padding: 22px;
    }

    .hero-metrics,
    .roadmap-grid,
    .ecosystem-map,
    .tool-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
    }

    .hero-copy h1 {
        max-width: none;
        font-size: clamp(2.2rem, 9vw, 3.4rem);
    }
}