/* Kaspa BlockDAG Theme */
:root {
    --primary: #49eacb;
    --secondary: #7b61ff;
    --dark: #0a0b10;
    --darker: #050608;
    --gray: #161822;
    --text: #e0e0e0;
    --text-dim: #808080;
    --accent: #49eacb;
    --danger: #ff0055;
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--darker);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Matrix Background Effect */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(transparent 0%, var(--darker) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(112, 199, 186, 0.03) 2px,
            rgba(112, 199, 186, 0.03) 4px
        );
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

/* X/Twitter icon in nav */
.nav-x {
    color: var(--text-dim);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    margin-left: 0.5rem;
}

.nav-x:hover {
    color: var(--primary);
    filter: drop-shadow(0 0 6px var(--primary));
}

/* Hamburger toggle -- hidden on desktop */
.nav-toggle-input {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
    box-shadow: 0 0 4px var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    background:
        linear-gradient(rgba(10, 14, 15, 0.85), rgba(10, 14, 15, 0.75)),
        url('img/cypherpunk.png') center center / cover no-repeat,
        radial-gradient(ellipse at center, rgba(112, 199, 186, 0.05) 0%, transparent 70%),
        var(--darker);
    border-bottom: 2px solid var(--primary);
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.glitch {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(4rem, 12vw, 9rem);
    font-weight: 700;
    color: var(--primary);
    text-shadow:
        0 0 20px var(--primary),
        0 0 40px var(--primary),
        0 0 80px var(--primary);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    animation: flicker 3s infinite;
}

@keyframes flicker {
    0%, 100% { opacity: 1; }
    41.99% { opacity: 1; }
    42% { opacity: 0.8; }
    43% { opacity: 1; }
    45.99% { opacity: 1; }
    46% { opacity: 0.7; }
    46.5% { opacity: 1; }
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--secondary);
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--text);
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-badge {
    font-family: 'JetBrains Mono', monospace;
    background: rgba(112, 199, 186, 0.1);
    border: 2px solid var(--primary);
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 0;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    box-shadow: 0 0 20px rgba(112, 199, 186, 0.3);
    transition: all 0.3s;
}

.feature-badge:hover {
    background: rgba(112, 199, 186, 0.2);
    box-shadow: 0 0 30px rgba(112, 199, 186, 0.5);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--primary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* Main Layout */
.main-layout {
    position: relative;
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 3rem;
    padding: 4rem 2rem;
    z-index: 1;
}

.main-content {
    min-width: 0;
}

/* Section Styling */
.section {
    margin-bottom: 6rem;
    scroll-margin-top: 100px;
}

.section-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--primary);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-left: 4px solid var(--primary);
    padding-left: 1.5rem;
    text-shadow: 0 0 10px var(--primary);
}

.content-block {
    background: rgba(26, 36, 38, 0.5);
    border: 1px solid rgba(112, 199, 186, 0.3);
    padding: 3rem;
    backdrop-filter: blur(10px);
}

/* Problem-Solution Layout */
.problem-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.problem, .solution {
    padding: 2rem;
    border: 1px solid rgba(255, 0, 85, 0.5);
}

.solution {
    border-color: rgba(112, 199, 186, 0.5);
    background: rgba(112, 199, 186, 0.05);
}

.problem h3, .solution h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.problem h3 {
    color: var(--danger);
}

.solution h3 {
    color: var(--primary);
}

.issue-list {
    list-style: none;
    font-size: 1.2rem;
}

.issue-list li {
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 3px solid var(--danger);
}

.issue-label {
    color: var(--danger);
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.highlight-text {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.highlight-text.large {
    font-size: 2rem;
}

.lead-text {
    font-size: 1.6rem;
    color: var(--secondary);
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* Architecture Grid */
.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.arch-card {
    background: rgba(112, 199, 186, 0.05);
    border: 1px solid var(--primary);
    padding: 2rem;
    transition: all 0.3s;
}

.arch-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(112, 199, 186, 0.3);
    background: rgba(112, 199, 186, 0.1);
}

.arch-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: grayscale(100%) brightness(200%);
}

.arch-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.arch-card p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Comparison Table */
.comparison-table {
    margin-top: 3rem;
}

.comparison-table h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1.1rem;
}

thead {
    background: rgba(112, 199, 186, 0.1);
}

th {
    font-family: 'JetBrains Mono', monospace;
    padding: 1.2rem;
    text-align: left;
    color: var(--primary);
    border: 1px solid rgba(112, 199, 186, 0.3);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

td {
    padding: 1.2rem;
    border: 1px solid rgba(112, 199, 186, 0.2);
}

tr:hover {
    background: rgba(112, 199, 186, 0.05);
}

td.highlight {
    color: var(--primary);
    font-weight: 700;
    background: rgba(112, 199, 186, 0.1);
}

/* Syncompo Features */
.syncompo-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.sync-feature {
    background: rgba(0, 255, 255, 0.05);
    border-left: 4px solid var(--accent);
    padding: 2rem;
}

.sync-feature h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.sync-feature p {
    font-size: 1.1rem;
}

.use-case {
    background: rgba(112, 199, 186, 0.1);
    border: 2px solid var(--primary);
    padding: 2rem;
    margin-top: 2rem;
}

.use-case h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.use-case p {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.use-case-detail {
    font-family: 'JetBrains Mono', monospace;
    color: var(--secondary);
    font-size: 1rem;
}

/* DagKnight Grid */
.dagknight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.dk-card {
    background: rgba(13, 255, 138, 0.05);
    border: 2px solid var(--secondary);
    padding: 2.5rem;
    transition: all 0.3s;
}

.dk-card:hover {
    transform: scale(1.02);
    box-shadow: 0 0 40px rgba(13, 255, 138, 0.3);
}

.dk-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.dk-card p {
    font-size: 1.2rem;
}

/* Applications Grid */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.app-card {
    background: rgba(112, 199, 186, 0.08);
    border: 1px solid var(--primary);
    padding: 2rem;
    transition: all 0.3s;
}

.app-card:hover {
    border-color: var(--secondary);
    box-shadow: 0 5px 20px rgba(112, 199, 186, 0.2);
}

.app-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
}

.app-card p {
    font-size: 1.1rem;
    color: var(--text-dim);
}

.institutional {
    background: linear-gradient(135deg, rgba(112, 199, 186, 0.1), rgba(0, 255, 255, 0.1));
    border: 2px solid var(--accent);
    padding: 2.5rem;
    margin-top: 2rem;
}

.institutional h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.institutional p {
    font-size: 1.2rem;
}

/* Strategic Position */
.position-statement {
    text-align: center;
    padding: 3rem;
    background: rgba(112, 199, 186, 0.1);
    border: 3px solid var(--primary);
    margin-bottom: 3rem;
}

.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.advantage {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(112, 199, 186, 0.05);
    border-left: 3px solid var(--primary);
    padding: 1.5rem;
    font-size: 1.3rem;
}

.adv-icon {
    font-size: 2rem;
    color: var(--primary);
}

/* Sidebar */
.sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 120px;
    background: rgba(26, 36, 38, 0.8);
    border: 1px solid var(--primary);
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.sidebar h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5rem;
}

.reference-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ref-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(112, 199, 186, 0.05);
    border: 1px solid rgba(112, 199, 186, 0.3);
    padding: 1rem;
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s;
}

.ref-link:hover {
    background: rgba(112, 199, 186, 0.15);
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: 0 0 15px rgba(112, 199, 186, 0.3);
}

.ref-title {
    font-family: 'JetBrains Mono', monospace;
}

.ref-arrow {
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 700;
}

/* Footer */
.footer {
    background: var(--darker);
    border-top: 2px solid var(--primary);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--secondary);
    font-size: 1rem;
}

.footer-x {
    display: inline-block;
    color: var(--text-dim);
    margin-top: 1rem;
    transition: all 0.3s;
}

.footer-x:hover {
    color: var(--primary);
    filter: drop-shadow(0 0 6px var(--primary));
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: -1;
    }

    .sidebar-sticky {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(5, 7, 7, 0.98);
        border-bottom: 1px solid var(--primary);
        flex-direction: column;
        padding: 0;
        gap: 0;
    }

    .nav-toggle-input:checked ~ .nav-links {
        display: flex;
    }

    /* Animate hamburger to X */
    .nav-toggle-input:checked ~ .nav-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle-input:checked ~ .nav-toggle span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle-input:checked ~ .nav-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-links li {
        border-bottom: 1px solid rgba(112, 199, 186, 0.1);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
        letter-spacing: 2px;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: rgba(112, 199, 186, 0.08);
    }

    .logo {
        font-size: 1.5rem;
    }

    .problem-solution {
        grid-template-columns: 1fr;
    }

    .content-block {
        padding: 1.5rem;
    }

    .hero {
        padding: 5rem 1rem 3rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: stretch;
    }

    .main-layout {
        padding: 2rem 1rem;
    }

    table {
        font-size: 0.85rem;
    }

    th, td {
        padding: 0.6rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

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

/* Selection */
::selection {
    background: var(--primary);
    color: var(--darker);
}