/* ============================================================
   multipledger.com -- v2
   y2k-futurism / glassmorphic-cards / analogous palette
   ============================================================ */

:root {
    /* Palette -- analogous blues/teals with bubble pink */
    --y2k-sky: #D0E8F8;
    --ocean-teal: #2898A0;
    --deep-azure: #1858A0;
    --bubble-pink: #E8A0C0;
    --chrome-silver: #C8D0D8;
    --pure-white: #FFFFFF;
    --soft-navy: #283848;

    /* Glass tokens */
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-bg-strong: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.45);
    --glass-blur: 16px;
    --glass-blur-hover: 24px;

    /* Layout tokens */
    --margin-x: 10%;
    --grid: 16px;
    --radius: 16px;
    --radius-lg: 28px;
}

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

html, body { height: 100%; }

body {
    font-family: 'Commissioner', 'Inter', system-ui, sans-serif;
    font-weight: 400;
    font-size: clamp(15px, 1vw, 17px);
    line-height: 1.8;
    color: var(--soft-navy);
    background:
        radial-gradient(1200px 800px at 80% -10%, rgba(232, 160, 192, 0.35), transparent 60%),
        radial-gradient(1000px 700px at 0% 30%, rgba(40, 152, 160, 0.25), transparent 60%),
        linear-gradient(160deg, var(--y2k-sky) 0%, #E8F1F8 45%, #F4DEEA 100%);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ============================================================
   Backdrop -- soft animated orbs
   ============================================================ */
.y2k-backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    animation: orb-drift 22s ease-in-out infinite alternate;
}

.orb-a {
    width: 540px; height: 540px;
    background: radial-gradient(circle at 30% 30%, var(--bubble-pink), transparent 70%);
    top: -120px; left: -120px;
}

.orb-b {
    width: 620px; height: 620px;
    background: radial-gradient(circle at 70% 30%, var(--ocean-teal), transparent 70%);
    top: 20%; right: -180px;
    animation-delay: -6s;
    animation-duration: 28s;
}

.orb-c {
    width: 480px; height: 480px;
    background: radial-gradient(circle at 50% 50%, var(--deep-azure), transparent 65%);
    bottom: -160px; left: 30%;
    opacity: 0.35;
    animation-delay: -12s;
    animation-duration: 34s;
}

@keyframes orb-drift {
    0%   { transform: translate3d(0, 0, 0) scale(1); }
    50%  { transform: translate3d(40px, -30px, 0) scale(1.05); }
    100% { transform: translate3d(-30px, 30px, 0) scale(0.98); }
}

.grain {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, rgba(40, 56, 72, 0.02) 0 1px, transparent 1px 3px);
    mix-blend-mode: overlay;
    opacity: 0.6;
}

/* ============================================================
   Glass primitive
   ============================================================ */
.glass-panel,
.glass-card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow:
        0 14px 36px rgba(24, 88, 160, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    transition: backdrop-filter 0.4s ease, background 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .glass-panel, .glass-card {
        background: rgba(255, 255, 255, 0.85);
    }
}

.glass-panel:hover,
.glass-card:hover {
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: blur(var(--glass-blur-hover)) saturate(150%);
    backdrop-filter: blur(var(--glass-blur-hover)) saturate(150%);
    box-shadow:
        0 22px 60px rgba(24, 88, 160, 0.18),
        0 0 0 1px rgba(40, 152, 160, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 var(--margin-x);
    position: relative;
}

.hero-inner {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 64px;
    align-items: center;
}

.label {
    font-family: 'Commissioner', 'Inter', sans-serif;
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ocean-teal);
    display: inline-block;
    margin-bottom: 24px;
}

.domain {
    font-family: 'Commissioner', 'Inter', sans-serif;
    font-weight: 700;
    font-stretch: 112%;
    font-size: clamp(28px, 5.2vw, 76px);
    letter-spacing: -0.01em;
    line-height: 1;
    color: var(--soft-navy);
    margin-bottom: 28px;
}

.domain .dot {
    color: var(--bubble-pink);
}

.tagline {
    max-width: 460px;
    font-size: clamp(15px, 1.1vw, 18px);
    color: rgba(40, 56, 72, 0.78);
}

/* Stack of glass panels */
.stack {
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 600px;
    margin-left: auto;
}

.glass-panel.panel-1,
.glass-panel.panel-2,
.glass-panel.panel-3 {
    position: absolute;
    width: 62%;
    padding: 24px 26px;
    transform-origin: center;
    opacity: 0;
}

.glass-panel.panel-1 {
    top: 6%; left: 4%;
    transform: translateX(-60px);
    animation: slide-in-left 800ms cubic-bezier(0.22, 1, 0.36, 1) 200ms forwards;
}

.glass-panel.panel-2 {
    top: 30%; left: 24%;
    transform: translate(60px, -20px);
    animation: slide-in-right 800ms cubic-bezier(0.22, 1, 0.36, 1) 350ms forwards;
}

.glass-panel.panel-3 {
    top: 56%; left: 14%;
    transform: translateY(60px);
    animation: slide-in-bottom 800ms cubic-bezier(0.22, 1, 0.36, 1) 500ms forwards;
}

@keyframes slide-in-left {
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slide-in-right {
    to { opacity: 1; transform: translate(0, -20px); }
}
@keyframes slide-in-bottom {
    to { opacity: 1; transform: translateY(0); }
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(40, 56, 72, 0.12);
    padding-bottom: 12px;
    margin-bottom: 14px;
}

.panel-tag {
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--deep-azure);
}

.panel-status {
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--ocean-teal);
    background: rgba(40, 152, 160, 0.12);
    padding: 3px 8px;
    border-radius: 999px;
    letter-spacing: 0.06em;
}

.panel-rows .row {
    display: flex;
    justify-content: space-between;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.9;
    color: rgba(40, 56, 72, 0.85);
    border-bottom: 1px dashed rgba(200, 208, 216, 0.55);
    padding: 4px 0;
}

.panel-rows .row:last-child { border-bottom: none; }

/* Hero connector paths */
.hero-paths {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}

.hero-paths .draw-path {
    fill: none;
    stroke: var(--ocean-teal);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: draw 1800ms cubic-bezier(0.22, 1, 0.36, 1) 1600ms forwards;
    opacity: 0.55;
}

.hero-paths .draw-path:nth-child(2) { animation-delay: 1750ms; }
.hero-paths .draw-path:nth-child(3) { animation-delay: 1900ms; }

@keyframes draw {
    to { stroke-dashoffset: 0; }
}

/* Hero bubble packets */
.bubble {
    position: absolute;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffffff, var(--bubble-pink) 60%);
    box-shadow: 0 6px 14px rgba(232, 160, 192, 0.5);
    opacity: 0;
}

.bubble-a {
    top: 22%; left: 30%;
    animation: bubble-a 5s ease-in-out 2000ms infinite;
}
.bubble-b {
    top: 50%; left: 36%;
    width: 22px; height: 22px;
    background: radial-gradient(circle at 30% 30%, #ffffff, var(--ocean-teal) 65%);
    animation: bubble-b 6.5s ease-in-out 2200ms infinite;
}
.bubble-c {
    top: 70%; left: 28%;
    width: 12px; height: 12px;
    animation: bubble-c 4.5s ease-in-out 2400ms infinite;
}

@keyframes bubble-a {
    0%   { opacity: 0; transform: translate(0, 0); }
    20%  { opacity: 1; }
    100% { opacity: 0; transform: translate(140px, 60px); }
}
@keyframes bubble-b {
    0%   { opacity: 0; transform: translate(0, 0) scale(0.7); }
    25%  { opacity: 1; transform: translate(40px, -10px) scale(1); }
    100% { opacity: 0; transform: translate(180px, 30px) scale(0.9); }
}
@keyframes bubble-c {
    0%   { opacity: 0; transform: translate(0, 0); }
    25%  { opacity: 0.9; }
    100% { opacity: 0; transform: translate(120px, -40px); }
}

/* Scroll cue */
.scroll-cue {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ocean-teal);
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.75;
}

.scroll-cue span {
    width: 1px; height: 28px;
    background: linear-gradient(to bottom, var(--ocean-teal), transparent);
    display: block;
    animation: scroll-pulse 1.6s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
    50%      { transform: scaleY(1);   opacity: 1; }
}

/* ============================================================
   Stream of cards
   ============================================================ */
.stream {
    padding: 160px var(--margin-x) 80px;
    display: flex;
    flex-direction: column;
    gap: 96px;
}

.stream-card {
    padding: 32px;
    max-width: 520px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stream-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

.stream-card.pos-left   { align-self: flex-start; }
.stream-card.pos-center { align-self: center; }
.stream-card.pos-right  { align-self: flex-end; }

.card-tag {
    font-family: 'Commissioner', 'Inter', sans-serif;
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ocean-teal);
    display: inline-block;
    margin-bottom: 14px;
}

.glass-card h2 {
    font-family: 'Commissioner', 'Inter', sans-serif;
    font-weight: 700;
    font-size: clamp(22px, 2.2vw, 32px);
    line-height: 1.25;
    letter-spacing: -0.005em;
    color: var(--soft-navy);
    margin-bottom: 16px;
}

.glass-card p {
    color: rgba(40, 56, 72, 0.78);
}

.card-illust {
    margin-top: 22px;
    width: 100%;
    height: auto;
}

.card-illust .draw-line {
    fill: none;
    stroke: var(--deep-azure);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    transition: stroke-dashoffset 1.6s ease;
}

.card-illust .draw-dot {
    fill: var(--bubble-pink);
    opacity: 0;
    transition: opacity 0.6s ease 1.2s;
}

.stream-card.in-view .draw-line { stroke-dashoffset: 0; }
.stream-card.in-view .draw-dot  { opacity: 1; }

.stream-card:hover .card-illust .draw-line {
    stroke: var(--ocean-teal);
    filter: drop-shadow(0 0 6px rgba(40, 152, 160, 0.5));
}

/* ============================================================
   Connection diagram
   ============================================================ */
.diagram {
    min-height: 100vh;
    padding: 80px var(--margin-x);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.diagram-head {
    margin-bottom: 36px;
    max-width: 600px;
}

.diagram-head h2 {
    font-family: 'Commissioner', 'Inter', sans-serif;
    font-weight: 700;
    font-size: clamp(26px, 3vw, 44px);
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--soft-navy);
}

.diagram-svg {
    width: 100%;
    height: auto;
    max-height: 70vh;
    overflow: visible;
}

.diagram-edge {
    fill: none;
    stroke: var(--deep-azure);
    stroke-width: 1.5;
    stroke-linecap: round;
    opacity: 0.7;
}

.diagram-edge.is-drawn {
    animation: edge-draw 1800ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes edge-draw {
    to { stroke-dashoffset: 0; }
}

.diagram-edge.is-glow {
    stroke: var(--ocean-teal);
    filter: drop-shadow(0 0 8px rgba(40, 152, 160, 0.55));
}

.node circle {
    stroke: rgba(255, 255, 255, 0.85);
    stroke-width: 1.5;
    filter: drop-shadow(0 8px 18px rgba(24, 88, 160, 0.18));
    cursor: pointer;
    transition: filter 0.3s ease, stroke 0.3s ease;
}

.node:hover circle {
    stroke: var(--ocean-teal);
    filter: drop-shadow(0 8px 24px rgba(40, 152, 160, 0.55));
}

.node text {
    font-family: 'Commissioner', 'Inter', sans-serif;
    font-weight: 500;
    font-size: 14px;
    fill: var(--soft-navy);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    pointer-events: none;
}

.packet-field {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.packet {
    position: absolute;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffffff, var(--bubble-pink) 60%);
    box-shadow: 0 6px 14px rgba(232, 160, 192, 0.5);
    pointer-events: none;
    will-change: transform, opacity;
}

.packet.teal {
    background: radial-gradient(circle at 30% 30%, #ffffff, var(--ocean-teal) 65%);
    box-shadow: 0 6px 14px rgba(40, 152, 160, 0.55);
}

/* ============================================================
   Closing card
   ============================================================ */
.closing {
    padding: 60px var(--margin-x) 140px;
}

.closing-card {
    padding: 44px;
    max-width: 880px;
    margin: 0 auto;
}

.entry-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    border-top: 1px solid rgba(40, 56, 72, 0.12);
    padding-top: 24px;
}

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

.entry-key {
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--deep-azure);
}

.entry-val {
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: clamp(20px, 2vw, 28px);
    color: var(--soft-navy);
}

/* ============================================================
   Sticky integration panel
   ============================================================ */
.integration {
    position: fixed;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    height: 56px;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 22px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    box-shadow:
        0 14px 36px rgba(24, 88, 160, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    z-index: 50;
    min-width: 280px;
}

.integration-label {
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--deep-azure);
}

.integration-list {
    list-style: none;
    display: flex;
    gap: 8px;
    align-items: center;
}

.integration-list .chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: rgba(40, 152, 160, 0.14);
    border: 1px solid rgba(40, 152, 160, 0.3);
    border-radius: 999px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--deep-azure);
    transform: scale(0.6);
    opacity: 0;
    animation: chip-in 360ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.integration-list .chip .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--bubble-pink);
}

.integration-list .chip[data-ledger="audit"] .dot     { background: var(--ocean-teal); }
.integration-list .chip[data-ledger="reserve"] .dot   { background: var(--deep-azure); }
.integration-list .chip[data-ledger="bridge"] .dot    { background: var(--chrome-silver); }

@keyframes chip-in {
    to { transform: scale(1); opacity: 1; }
}

.integration-count {
    margin-left: auto;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--ocean-teal);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
    :root { --margin-x: 6%; }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .stack {
        max-width: 480px;
        margin: 0 auto;
    }

    .stream { padding-top: 100px; gap: 60px; }
    .stream-card { max-width: 100%; }
    .stream-card.pos-left,
    .stream-card.pos-center,
    .stream-card.pos-right { align-self: stretch; }

    .closing-card { padding: 28px; }
    .entry-grid { grid-template-columns: 1fr; }

    .integration { width: 92%; min-width: 0; gap: 10px; padding: 0 14px; }
    .integration-label { display: none; }
}

@media (max-width: 540px) {
    .domain { font-size: clamp(28px, 9vw, 48px); }
    .glass-panel.panel-1, .glass-panel.panel-2, .glass-panel.panel-3 { width: 78%; }
}