/* ============================================
   multipledger.com - Y2K Futurism Aesthetic
   Colors: #D0E8F8, #2898A0, #1858A0, #E8A0C0, #C8D0D8, #FFFFFF, #283848
   Fonts: Commissioner, Fira Code
   ============================================ */

/* CSS Custom Properties */
:root {
    --y2k-sky: #D0E8F8;
    --ocean-teal: #2898A0;
    --deep-azure: #1858A0;
    --bubble-pink: #E8A0C0;
    --chrome-silver: #C8D0D8;
    --pure-white: #FFFFFF;
    --soft-navy: #283848;

    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: 16px;
    --glass-blur-hover: 24px;
    --glass-shadow: 0 8px 32px rgba(40, 56, 72, 0.1);

    --base-grid: 16px;
    --card-padding: 32px;
    --card-radius: 16px;
    --margin-h: 10%;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Commissioner', sans-serif;
    font-weight: 400;
    font-size: clamp(15px, 1vw, 17px);
    line-height: 1.8;
    color: var(--soft-navy);
    background: var(--y2k-sky);
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

h1 {
    font-family: 'Commissioner', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 3.5vw, 52px);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

h2 {
    font-family: 'Commissioner', sans-serif;
    font-weight: 700;
    font-size: clamp(22px, 2.5vw, 36px);
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin-bottom: var(--base-grid);
}

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

code, .ledger-code-block code {
    font-family: 'Fira Code', monospace;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   Glassmorphic Card Base
   ============================================ */

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    box-shadow: var(--glass-shadow);
    padding: var(--card-padding);
    transition: backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    backdrop-filter: blur(var(--glass-blur-hover));
    -webkit-backdrop-filter: blur(var(--glass-blur-hover));
    background: rgba(255, 255, 255, 0.65);
    box-shadow: 0 8px 32px rgba(40, 152, 160, 0.15);
}

/* ============================================
   Hero Section
   ============================================ */

#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #D0E8F8 0%, #b8daf0 30%, #c0e0f0 50%, #d8ecf8 70%, #e0f0ff 100%);
    z-index: 0;
}

#hero-paths {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

#hero-bubbles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero-bubble {
    position: absolute;
    border-radius: 50%;
    opacity: 0.7;
    pointer-events: none;
}

/* Chrome Accent Decorations */
.chrome-accent {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, #C8D0D8, #e8ecf0, #C8D0D8);
    z-index: 1;
    pointer-events: none;
}

.chrome-accent-1 {
    width: 80px;
    height: 80px;
    top: 8%;
    left: 6%;
    opacity: 0.4;
    animation: chrome-rotate 12s linear infinite;
}

.chrome-accent-2 {
    width: 50px;
    height: 50px;
    top: 15%;
    right: 10%;
    opacity: 0.3;
    animation: chrome-rotate 8s linear infinite reverse;
}

.chrome-accent-3 {
    width: 35px;
    height: 35px;
    bottom: 18%;
    right: 8%;
    opacity: 0.35;
    animation: chrome-rotate 15s linear infinite;
}

@keyframes chrome-rotate {
    0% { background: linear-gradient(0deg, #C8D0D8, #e8ecf0, #C8D0D8); }
    25% { background: linear-gradient(90deg, #C8D0D8, #e8ecf0, #C8D0D8); }
    50% { background: linear-gradient(180deg, #C8D0D8, #e8ecf0, #C8D0D8); }
    75% { background: linear-gradient(270deg, #C8D0D8, #e8ecf0, #C8D0D8); }
    100% { background: linear-gradient(360deg, #C8D0D8, #e8ecf0, #C8D0D8); }
}

/* Chrome Dot Arrays */
.chrome-dot-array {
    position: absolute;
    z-index: 1;
    pointer-events: none;
}

.dot-array-1 {
    width: 100px;
    height: 60px;
    bottom: 12%;
    left: 5%;
    background-image: radial-gradient(circle, #C8D0D8 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.35;
}

.dot-array-2 {
    width: 80px;
    height: 80px;
    top: 25%;
    right: 4%;
    background-image: radial-gradient(circle, #C8D0D8 1px, transparent 1px);
    background-size: 10px 10px;
    opacity: 0.3;
}

/* Hero Panels */
#hero-panels {
    position: relative;
    z-index: 3;
    width: 80%;
    max-width: 700px;
    height: 340px;
    margin-bottom: 24px;
}

.hero-panel {
    position: absolute;
    width: 260px;
    padding: 24px;
    opacity: 0;
    transform: translateY(0);
}

#panel-left {
    left: 0;
    top: 40px;
    transform: translateX(-60px);
}

#panel-right {
    right: 0;
    top: 20px;
    transform: translateX(60px);
}

#panel-bottom {
    left: 50%;
    bottom: 0;
    transform: translate(-50%, 60px);
}

.hero-panel.animate-in {
    opacity: 1;
}

#panel-left.animate-in {
    transform: translateX(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

#panel-right.animate-in {
    transform: translateX(0);
    transition: opacity 0.8s ease 0.1s, transform 0.8s ease 0.1s;
}

#panel-bottom.animate-in {
    transform: translate(-50%, 0);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.panel-chrome-circle {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #C8D0D8, #e8ecf0);
    border: 1px solid rgba(200, 208, 216, 0.5);
}

.ledger-data {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.ledger-data code {
    font-size: 12px;
    color: var(--deep-azure);
    opacity: 0.8;
}

.panel-decoration {
    margin-top: 8px;
}

.mini-chart {
    width: 100%;
    height: 40px;
}

/* Hero Title */
#hero-title {
    position: relative;
    z-index: 4;
    color: var(--soft-navy);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    text-align: center;
}

#hero-title.fade-in {
    opacity: 1;
    transform: translateY(0);
}

#hero-subtitle {
    position: relative;
    z-index: 4;
    color: var(--deep-azure);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
    text-align: center;
    margin-top: 8px;
    font-size: clamp(14px, 1.2vw, 18px);
}

#hero-subtitle.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Ledger Stream Section
   ============================================ */

#ledger-stream {
    position: relative;
    padding: 120px var(--margin-h) 80px;
    min-height: 100vh;
}

.stream-card {
    max-width: 480px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

.card-left {
    margin-right: auto;
    transform: translateX(-40px) translateY(40px);
}

.card-left.visible {
    transform: translateX(0) translateY(0);
}

.card-center {
    margin-left: auto;
    margin-right: auto;
    transform: translateY(40px);
}

.card-center.visible {
    transform: translateY(0);
}

.card-right {
    margin-left: auto;
    transform: translateX(40px) translateY(40px);
}

.card-right.visible {
    transform: translateX(0) translateY(0);
}

.card-icon-wrapper {
    margin-bottom: 16px;
}

.card-icon {
    width: 48px;
    height: 48px;
}

.stream-card .tech-label {
    display: block;
    margin-bottom: 8px;
}

.stream-card h2 {
    color: var(--soft-navy);
}

.stream-card p {
    color: var(--soft-navy);
    margin-bottom: 20px;
    opacity: 0.85;
}

.ledger-code-block {
    background: rgba(40, 56, 72, 0.06);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ledger-code-block code {
    color: var(--deep-azure);
    font-size: 13px;
}

/* Stream Paths */
.stream-path {
    display: block;
    width: 80%;
    max-width: 600px;
    height: 120px;
    margin: 0 auto 40px;
    overflow: visible;
}

.draw-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    transition: stroke-dashoffset 1.2s ease;
}

.draw-path.drawn {
    stroke-dashoffset: 0;
}

/* ============================================
   Connection Diagram Section
   ============================================ */

#connection-diagram {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px var(--margin-h);
    background: linear-gradient(180deg, var(--y2k-sky), #c4ddf0);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--soft-navy);
}

#diagram-svg {
    width: 90%;
    max-width: 900px;
    height: auto;
}

.node-label {
    font-family: 'Commissioner', sans-serif;
    font-weight: 700;
    font-size: 14px;
    fill: var(--soft-navy);
}

.node-sublabel {
    font-family: 'Commissioner', sans-serif;
    font-weight: 400;
    font-size: 11px;
    fill: var(--ocean-teal);
}

.diagram-path {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    transition: stroke-dashoffset 1.5s ease;
}

.diagram-path.drawn {
    stroke-dashoffset: 0;
}

.ledger-node rect {
    transition: fill 0.3s ease, stroke 0.3s ease;
}

.ledger-node:hover rect {
    fill: rgba(255, 255, 255, 0.75);
    stroke: var(--ocean-teal);
}

#diagram-bubbles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.diagram-bubble {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

/* ============================================
   Integration Panel (Sticky)
   ============================================ */

#integration-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    padding: 0 var(--margin-h);
    gap: 16px;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

#integration-panel.visible {
    transform: translateY(0);
}

#panel-label {
    flex-shrink: 0;
    color: var(--soft-navy);
}

#ledger-icons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ledger-icon {
    width: 36px;
    height: 36px;
    padding: 6px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid transparent;
    opacity: 0;
    transform: scale(0.7);
    transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.ledger-icon.active {
    opacity: 1;
    transform: scale(1);
    border-color: var(--glass-border);
}

.ledger-icon:hover {
    background: rgba(255, 255, 255, 0.6);
    border-color: var(--ocean-teal);
}

.ledger-icon svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   Hero Path Animations
   ============================================ */

#hero-paths path {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    transition: stroke-dashoffset 1s ease;
}

#hero-paths.animate path {
    stroke-dashoffset: 0;
}

/* ============================================
   Bubble Animations
   ============================================ */

@keyframes bubble-float-1 {
    0% { offset-distance: 0%; opacity: 0; }
    10% { opacity: 0.7; }
    90% { opacity: 0.7; }
    100% { offset-distance: 100%; opacity: 0; }
}

@keyframes bubble-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

@keyframes float-up {
    0% { transform: translateY(0) translateX(0); opacity: 0.6; }
    50% { transform: translateY(-30px) translateX(10px); opacity: 0.8; }
    100% { transform: translateY(-60px) translateX(-5px); opacity: 0; }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    :root {
        --margin-h: 5%;
        --card-padding: 24px;
    }

    #hero-panels {
        width: 90%;
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .hero-panel {
        position: relative;
        width: 100%;
        max-width: 300px;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
    }

    #panel-left {
        transform: translateX(-30px);
    }

    #panel-right {
        transform: translateX(30px);
    }

    #panel-bottom {
        transform: translate(0, 30px);
    }

    #panel-bottom.animate-in {
        transform: translate(0, 0);
    }

    .stream-card {
        max-width: 100%;
    }

    .card-left, .card-right {
        margin-left: 0;
        margin-right: 0;
    }

    .stream-path {
        width: 95%;
    }

    #connection-diagram {
        min-height: 500px;
        height: auto;
        padding: 40px 5%;
    }

    #diagram-svg {
        width: 100%;
    }

    .chrome-accent-1,
    .chrome-accent-2,
    .chrome-accent-3 {
        display: none;
    }

    .dot-array-1,
    .dot-array-2 {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-panel {
        padding: 16px;
        width: 100%;
    }

    #hero-panels {
        margin-bottom: 16px;
    }

    h1 {
        font-size: 28px;
    }

    #integration-panel {
        padding: 0 16px;
    }

    .ledger-icon {
        width: 30px;
        height: 30px;
    }
}

/* ============================================
   Scrollbar Styling
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--y2k-sky);
}

::-webkit-scrollbar-thumb {
    background: var(--chrome-silver);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ocean-teal);
}

/* Padding at bottom for sticky panel */
body {
    padding-bottom: 56px;
}