/* ============================================
   HeliosDB - Design System & Core Styles
   Dark theme with neon purple/blue accents
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --bg-primary: #000000;
    --bg-surface: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border-card: rgba(255, 255, 255, 0.08);
    --border-card-hover: rgba(255, 255, 255, 0.15);

    --neon-purple: #9e8cfc;
    --neon-blue: #8ae8ff;
    --neon-lime: #c4f042;
    --neon-red: #ff6b6b;
    --neon-orange: #ffa63e;

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.65);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --text-link: #0099ff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
    --gradient-accent: linear-gradient(135deg, var(--neon-blue), var(--neon-lime));

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 120px;
    --card-radius: 12px;
    --btn-radius: 50px;

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow-purple: 0 0 40px rgba(158, 140, 252, 0.15);
    --shadow-glow-blue: 0 0 40px rgba(138, 232, 255, 0.15);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--neon-purple);
    filter: drop-shadow(0 0 8px rgba(158, 140, 252, 0.4));
}

.logo-accent {
    color: var(--neon-purple);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-btn {
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--btn-radius);
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.nav-btn-ghost {
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.nav-btn-ghost:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn-primary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-btn-primary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 1px;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--btn-radius);
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000;
    box-shadow: 0 4px 16px rgba(158, 140, 252, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(158, 140, 252, 0.45);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.35);
}

.btn-lg {
    font-size: 1.0625rem;
    padding: 16px 36px;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 60px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -100px;
    background: radial-gradient(circle, rgba(158, 140, 252, 0.15) 0%, transparent 70%);
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    top: -100px;
    right: -150px;
    background: radial-gradient(circle, rgba(138, 232, 255, 0.12) 0%, transparent 70%);
}

.hero-glow-3 {
    width: 400px;
    height: 400px;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(196, 240, 66, 0.06) 0%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--neon-purple);
    background: rgba(158, 140, 252, 0.1);
    border: 1px solid rgba(158, 140, 252, 0.2);
    padding: 6px 16px;
    border-radius: var(--btn-radius);
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-lime);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(196, 240, 66, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(196, 240, 66, 0); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto 32px;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

/* Code block in hero */
.hero-code {
    max-width: 580px;
    margin: 0 auto;
    text-align: left;
    border-radius: var(--card-radius);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-card);
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-card);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.code-lang {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.code-block {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    font-family: inherit;
}

.code-keyword { color: var(--neon-purple); }
.code-type { color: var(--neon-blue); }
.code-string { color: var(--neon-lime); }
.code-comment { color: var(--text-tertiary); }
.code-number { color: var(--neon-orange); }
.code-operator { color: var(--neon-red); }

/* Hero stats bar */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    z-index: 1;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
}

/* ============================================
   Comparison Strip
   ============================================ */

.comparison-strip {
    padding: 60px 0;
    background: var(--bg-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
    padding: 14px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-table th {
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    padding-bottom: 16px;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--text-secondary);
}

.highlight-col {
    background: rgba(158, 140, 252, 0.05);
}

.comparison-table th.highlight-col {
    color: var(--neon-purple);
}

.check { color: rgba(255, 255, 255, 0.5); font-size: 1.1rem; }
.check.neon { color: var(--neon-lime); font-weight: 700; font-size: 0.875rem; }
.cross { color: rgba(255, 255, 255, 0.15); font-size: 1.1rem; }
.muted { color: var(--text-tertiary); font-size: 0.8125rem; }

/* ============================================
   Section Headers
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--neon-purple);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   Features Grid
   ============================================ */

.features {
    padding: var(--section-padding) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-card-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(158, 140, 252, 0.08);
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--accent, var(--neon-purple));
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 3px 10px;
    background: rgba(158, 140, 252, 0.08);
    border: 1px solid rgba(158, 140, 252, 0.15);
    border-radius: 4px;
    color: var(--neon-purple);
}

/* ============================================
   Product Tiers
   ============================================ */

.tiers {
    padding: var(--section-padding) 0;
    background: var(--bg-surface);
    position: relative;
}

.tiers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(158, 140, 252, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.tier-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 0;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tier-card:hover {
    border-color: var(--border-card-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.tier-card.featured {
    border-color: rgba(138, 232, 255, 0.3);
    box-shadow: 0 0 40px rgba(138, 232, 255, 0.08);
}

.tier-accent {
    height: 3px;
    width: 100%;
}

.tier-popular {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neon-blue);
    background: rgba(138, 232, 255, 0.1);
    padding: 4px 12px;
    border-radius: var(--btn-radius);
    border: 1px solid rgba(138, 232, 255, 0.2);
}

.tier-header {
    padding: 32px 28px 0;
}

.tier-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
}

.tier-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 4px;
    letter-spacing: -0.02em;
}

.tier-version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.tier-card > .tier-desc {
    padding: 16px 28px 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tier-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 24px 28px;
}

.tier-stat {
    text-align: center;
}

.tier-stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-primary);
}

.tier-stat-label {
    display: block;
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.tier-features {
    list-style: none;
    padding: 0 28px;
    margin-bottom: 24px;
}

.tier-features li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-left: 20px;
    position: relative;
}

.tier-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--neon-lime);
    font-size: 0.75rem;
}

.tier-features li:first-child::before {
    content: '';
}

.tier-features li:first-child {
    font-weight: 600;
    color: var(--text-primary);
    padding-left: 0;
}

.tier-target {
    padding: 16px 28px 28px;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

.tier-target strong {
    color: var(--text-secondary);
}

/* ============================================
   Use Cases
   ============================================ */

.use-cases {
    padding: var(--section-padding) 0;
}

.uc-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.uc-filter {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--btn-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.uc-filter:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.uc-filter.active {
    background: rgba(158, 140, 252, 0.12);
    border-color: rgba(158, 140, 252, 0.3);
    color: var(--neon-purple);
}

.uc-count {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    opacity: 0.6;
    margin-left: 4px;
}

.uc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.uc-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.25s ease;
    position: relative;
}

.uc-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-card-hover);
    transform: translateY(-2px);
}

.uc-card.hidden {
    display: none;
}

.uc-tier-badges {
    display: flex;
    gap: 4px;
    margin-bottom: 10px;
}

.uc-tier {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: 3px;
}

.uc-tier.nano {
    background: rgba(158, 140, 252, 0.12);
    color: var(--neon-purple);
}

.uc-tier.lite {
    background: rgba(138, 232, 255, 0.12);
    color: var(--neon-blue);
}

.uc-tier.full {
    background: rgba(196, 240, 66, 0.12);
    color: var(--neon-lime);
}

.uc-card h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.uc-card p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   Developers Section
   ============================================ */

.developers {
    padding: var(--section-padding) 0;
    background: var(--bg-surface);
}

.dev-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
    align-items: start;
}

.dev-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
}

.dev-tab {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-card);
    border-bottom: none;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.dev-tab:first-child {
    border-radius: var(--card-radius) 0 0 0;
}

.dev-tab:last-child {
    border-radius: 0 var(--card-radius) 0 0;
}

.dev-tab.active {
    background: var(--bg-card);
    color: var(--neon-purple);
    border-color: rgba(158, 140, 252, 0.2);
}

.dev-code {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 0 var(--card-radius) var(--card-radius) var(--card-radius);
    overflow: hidden;
}

.dev-code-block {
    display: none;
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
    margin: 0;
}

.dev-code-block.active {
    display: block;
}

.dev-info-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dev-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 24px;
    transition: all 0.25s ease;
}

.dev-info-card:hover {
    border-color: var(--border-card-hover);
    background: var(--bg-card-hover);
}

.dev-info-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--neon-purple);
}

.dev-info-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   Investors Section
   ============================================ */

.investors {
    padding: var(--section-padding) 0;
    position: relative;
}

.investors::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(138, 232, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.investor-grid {
    display: grid;
    gap: 32px;
}

.investor-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.metric-card {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 32px 20px;
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: var(--border-card-hover);
    box-shadow: var(--shadow-glow-purple);
}

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.investor-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.investor-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 28px;
}

.investor-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.investor-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.investor-card ul {
    list-style: none;
    margin-top: 8px;
}

.investor-card li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 6px 0;
    padding-left: 16px;
    position: relative;
}

.investor-card li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--neon-purple);
}

.investor-tiers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.investor-tier {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 12px;
    background: rgba(158, 140, 252, 0.08);
    border: 1px solid rgba(158, 140, 252, 0.15);
    border-radius: 4px;
    color: var(--neon-purple);
}

/* ============================================
   Pricing
   ============================================ */

.pricing {
    padding: var(--section-padding) 0;
    background: var(--bg-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 36px 28px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--border-card-hover);
    transform: translateY(-2px);
}

.pricing-card.featured {
    border-color: rgba(158, 140, 252, 0.3);
    box-shadow: 0 0 60px rgba(158, 140, 252, 0.08);
}

.pricing-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #000;
    background: var(--gradient-primary);
    padding: 4px 16px;
    border-radius: var(--btn-radius);
}

.pricing-header {
    margin-bottom: 16px;
}

.pricing-tier {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
}

.price-period {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-left: 4px;
}

.pricing-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 28px;
}

.pricing-features li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--neon-lime);
    font-size: 0.75rem;
}

.pricing-features li:first-child {
    font-weight: 600;
    color: var(--text-primary);
    padding-left: 0;
}

.pricing-features li:first-child::before {
    content: '';
}

.pricing-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(158, 140, 252, 0.1) 0%, rgba(138, 232, 255, 0.05) 50%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-top: 12px;
    line-height: 1.6;
}

.footer-license {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-top: 8px;
}

.footer-links h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 4px 0;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}