/* ===================================
   rollup.report - Styles
   Neon-lit control room for blockchain rollup intelligence
   =================================== */

/* --- CSS Variables --- */
:root {
    --deep-navy: #0A1628;
    --mid-navy: #0E1D35;
    --steel-blue: #1A2A44;
    --border-slate: #3A5F8A;
    --silver-text: #C8D6E5;
    --muted-silver: #8A9BB5;
    --electric-cyan: #00D4FF;
    --bright-white: #F0F4F8;
    --metallic-gold: #D4A843;
    --warning-amber: #FF8C42;
    --pure-white: #FFFFFF;
    --grid-color: #2A3F5F;

    --gradient-neon-edge: linear-gradient(135deg, #00D4FF 0%, #0A6E8C 100%);
    --gradient-metallic: linear-gradient(180deg, #1A2A44 0%, #0E1D35 100%);
    --gradient-spotlight: radial-gradient(ellipse at 50% 30%, #0E1D35 0%, #0A1628 70%);

    --spring-ease: cubic-bezier(0.34, 1.56, 0.64, 1);
    --neon-shadow: 0 0 10px rgba(0, 212, 255, 0.15), 0 0 20px rgba(0, 212, 255, 0.1), 0 0 40px rgba(0, 212, 255, 0.05);
    --neon-shadow-intense: 0 0 10px rgba(0, 212, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.2), 0 0 40px rgba(0, 212, 255, 0.1), 0 0 60px rgba(0, 212, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.15vw, 1.15rem);
    line-height: 1.72;
    letter-spacing: 0.01em;
    color: var(--silver-text);
    background-color: var(--deep-navy);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Grid Background --- */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* --- Particles Canvas --- */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
}

/* --- Dot Navigation --- */
.dot-navigation {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 24px;
    opacity: 0;
}

.dot-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1.5px solid var(--border-slate);
    background: transparent;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s var(--spring-ease), border-color 0.2s ease, background-color 0.2s ease;
    outline: none;
}

.nav-dot .dot-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: box-shadow 0.3s ease;
}

.nav-dot:hover {
    transform: scale(1.2);
}

.nav-dot.active {
    border-color: var(--electric-cyan);
    background: var(--electric-cyan);
    transform: scale(1.4);
}

.nav-dot.active .dot-glow {
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.6), 0 0 16px rgba(0, 212, 255, 0.3);
}

.dot-label {
    position: absolute;
    right: 28px;
    white-space: nowrap;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--electric-cyan);
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

.dot-wrapper:hover .dot-label {
    opacity: 1;
    transform: translateX(0);
}

/* --- Zones --- */
.zone {
    position: relative;
    z-index: 2;
}

/* --- Zone 1: The Beacon --- */
.zone-beacon {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-spotlight);
}

.beacon-content {
    text-align: center;
}

.hero-wordmark {
    font-family: 'Jost', sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.05;
    color: var(--bright-white);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0);
    opacity: 0;
    transform: scale(0.95);
}

.hero-wordmark.visible {
    opacity: 1;
    transform: scale(1);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3), 0 0 60px rgba(0, 212, 255, 0.15);
    transition: opacity 0.6s ease, transform 0.6s var(--spring-ease), text-shadow 1s ease;
}

.hero-subtitle {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.4rem);
    letter-spacing: 0.04em;
    color: var(--muted-silver);
    margin-top: 1.2rem;
    opacity: 0;
}

.hero-subtitle.visible {
    opacity: 1;
    transition: opacity 0.8s ease;
}

/* --- Zone 2: The Signal Field --- */
.zone-signal {
    min-height: 150vh;
    padding: 10vh 5vw;
}

.signal-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6vh 4vw;
}

.signal-card {
    background: linear-gradient(180deg, rgba(26, 42, 68, 0.85) 0%, rgba(14, 29, 53, 0.85) 100%);
    border: 1px solid var(--border-slate);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    transition: transform 0.3s ease, border-color 0.4s ease, box-shadow 0.3s ease;
    --gradient-angle: 180deg;
}

.signal-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(var(--gradient-angle), rgba(0, 212, 255, 0.03) 0%, transparent 60%);
    pointer-events: none;
    transition: background 0.3s ease;
}

.signal-card:hover {
    transform: translateY(-2px);
    border-color: var(--electric-cyan);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.12);
}

.signal-card.card-left {
    grid-column: 1;
}

.signal-card.card-right {
    grid-column: 2;
    margin-top: 30vh;
}

/* Scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s var(--spring-ease);
}

/* Border pulse effect */
.signal-card.border-pulse {
    animation: borderPulse 1.9s ease forwards;
}

@keyframes borderPulse {
    0% { border-color: var(--border-slate); }
    21% { border-color: var(--electric-cyan); }
    100% { border-color: var(--border-slate); }
}

/* Zone headings */
.zone-heading {
    font-family: 'Jost', sans-serif;
    font-weight: 600;
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.05;
    color: var(--bright-white);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 0px rgba(0, 212, 255, 0);
    transition: text-shadow 0.6s ease;
}

.zone-heading.glow-active {
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3), 0 0 60px rgba(0, 212, 255, 0.1);
}

.caption-text {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-silver);
    margin-top: 1.2rem;
}

.data-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #5A7A9A;
    margin-top: 1.5rem;
}

.data-value {
    font-family: 'Space Mono', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--electric-cyan);
    text-shadow: var(--neon-shadow);
}

/* --- SVG Diagrams --- */
.svg-viz {
    margin-bottom: 1rem;
}

.svg-viz svg {
    width: 100%;
    height: auto;
}

/* Compression diagram */
.small-block {
    fill: none;
    stroke: var(--electric-cyan);
    stroke-width: 1.5;
    opacity: 0.7;
}

.converge-line {
    stroke: var(--border-slate);
    stroke-width: 1;
    stroke-dasharray: 4 4;
    opacity: 0.6;
}

.large-block {
    fill: rgba(0, 212, 255, 0.1);
    stroke: var(--electric-cyan);
    stroke-width: 2;
}

.block-label {
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    font-weight: 700;
    fill: var(--electric-cyan);
    text-anchor: middle;
    letter-spacing: 0.1em;
}

.l1-line {
    stroke: var(--metallic-gold);
    stroke-width: 1.5;
    stroke-dasharray: 6 3;
}

.l1-label {
    fill: var(--metallic-gold);
}

/* Throughput chart */
.chart-label {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    fill: var(--muted-silver);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.axis-line {
    stroke: var(--border-slate);
    stroke-width: 1;
}

.throughput-path {
    fill: none;
    stroke: var(--electric-cyan);
    stroke-width: 2;
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    transition: stroke-dashoffset 2s ease;
}

.throughput-path.animate {
    stroke-dashoffset: 0;
}

.data-point {
    fill: var(--electric-cyan);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.throughput-path.animate ~ .data-point {
    opacity: 1;
}

/* Chain diagram */
.chain-block {
    fill: none;
    stroke: var(--electric-cyan);
    stroke-width: 1.5;
    opacity: 0;
    animation: chainFadeIn 0.5s ease forwards;
    animation-delay: calc(var(--i) * 0.2s);
}

.chain-link {
    stroke: var(--border-slate);
    stroke-width: 1.5;
    stroke-dasharray: 4 3;
    opacity: 0;
    animation: chainFadeIn 0.5s ease forwards;
    animation-delay: calc(var(--i) * 0.2s + 0.1s);
}

.block-num {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    fill: var(--electric-cyan);
    text-anchor: middle;
    opacity: 0;
    animation: chainFadeIn 0.5s ease forwards;
    animation-delay: calc(var(--i) * 0.2s);
}

.chain-pending {
    fill: none;
    stroke: var(--warning-amber);
    stroke-width: 1.5;
    stroke-dasharray: 3 3;
    animation: pendingPulse 2s ease-in-out infinite;
}

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

@keyframes pendingPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* --- Zone 3: The Deep Dive --- */
.zone-deep {
    min-height: 150vh;
    padding: 10vh 0;
    position: relative;
}

.neon-margin-left,
.neon-margin-right {
    position: absolute;
    top: 5%;
    bottom: 5%;
    width: 2px;
    z-index: 3;
}

.neon-margin-left {
    left: calc(50% - 380px);
    background: var(--gradient-neon-edge);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.15);
    opacity: 0.6;
}

.neon-margin-right {
    right: calc(50% - 380px);
    background: var(--gradient-neon-edge);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.15);
    opacity: 0.6;
}

.deep-content {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem;
}

.deep-block {
    padding: 3rem 2.5rem;
    border-radius: 8px;
    margin-bottom: 2.5rem;
}

.deep-block.dark-bg {
    background-color: var(--deep-navy);
}

.deep-block.alt-bg {
    background-color: var(--mid-navy);
}

.deep-block p {
    margin-bottom: 1.5rem;
}

.deep-block p:last-child {
    margin-bottom: 0;
}

.deep-subheading {
    font-family: 'Jost', sans-serif;
    font-weight: 600;
    font-size: 1.4rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.1;
    color: var(--bright-white);
    margin-bottom: 1.2rem;
    text-shadow: 0 0 0px rgba(0, 212, 255, 0);
    transition: text-shadow 0.6s ease;
}

.deep-subheading.glow-active {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.milestone-text {
    font-family: 'Jost', sans-serif;
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--metallic-gold);
    letter-spacing: 0.04em;
    text-shadow: 0 0 20px rgba(212, 168, 67, 0.3);
}

/* --- Zone 4: The Horizon --- */
.zone-horizon {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.horizon-content {
    position: relative;
    z-index: 3;
}

.horizon-message {
    font-family: 'Jost', sans-serif;
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.5;
    color: var(--bright-white);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    margin-bottom: 3rem;
}

.horizon-domain {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--electric-cyan);
    text-shadow: var(--neon-shadow-intense);
}

/* --- Link Styles --- */
a {
    color: var(--electric-cyan);
    text-decoration: none;
    position: relative;
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--electric-cyan);
    box-shadow: 0 0 4px rgba(0, 212, 255, 0.4);
    transition: width 0.3s ease;
}

a:hover::after {
    width: 100%;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .signal-grid {
        grid-template-columns: 1fr;
    }

    .signal-card.card-left,
    .signal-card.card-right {
        grid-column: 1;
        margin-top: 0;
    }

    .neon-margin-left,
    .neon-margin-right {
        display: none;
    }

    .dot-navigation {
        right: 12px;
    }
}

@media (max-width: 600px) {
    .signal-card {
        padding: 1.5rem;
    }

    .deep-block {
        padding: 2rem 1.5rem;
    }

    .deep-content {
        padding: 0 1rem;
    }
}