/* ═══════════════════════════════════════════════════
   MEGA-STACK v5.2 — Landing Page Stylesheet
   Glassmorphism Dark Mode Theme
   ═══════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2e;
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8e;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.3);
    --success: #00cec9;
    --warning: #fdcb6e;
    --danger: #ff6b6b;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Background Effects ── */
.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 600px 600px at 20% 20%, rgba(108, 92, 231, 0.12), transparent),
        radial-gradient(ellipse 500px 500px at 80% 80%, rgba(0, 206, 201, 0.08), transparent),
        radial-gradient(ellipse 400px 400px at 50% 50%, rgba(162, 155, 254, 0.06), transparent);
    animation: meshMove 20s ease-in-out infinite alternate;
}

@keyframes meshMove {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(-20px, -20px) scale(1.05);
    }
}

/* ── Glass Card ── */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    box-shadow: var(--shadow-glass);
    transition: var(--transition);
}

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

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--success));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    padding: 8px 20px;
    background: var(--accent);
    color: #fff !important;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-light);
    box-shadow: 0 0 20px var(--accent-glow);
}

/* ── Hero Section ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--accent), #5b4cdb);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

/* ── Section Header ── */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ── Features Slider ── */
.features-slider-wrap {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.features-slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.slider-page {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    flex: 0 0 auto;
    box-sizing: border-box;
    padding: 0 2px;
}

@media (max-width: 900px) {
    .slider-page {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .slider-page {
        grid-template-columns: 1fr;
    }
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-glass);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active {
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.feature-card {
    padding: 28px 24px;
    cursor: default;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.15);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(0, 206, 201, 0.08));
    font-size: 1.5rem;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
    flex-grow: 1;
}

/* Slider Navigation Arrows */
.slider-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

.slider-arrow {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.slider-arrow:hover,
.slider-arrow:active {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(108, 92, 231, 0.1);
}

@media (max-width: 600px) {
    .slider-arrow {
        width: 42px;
        height: 42px;
        font-size: 1.25rem;
    }

    .slider-nav {
        gap: 12px;
    }
}

.slider-counter {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

/* ── Billing Toggle ── */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 40px;
}

.billing-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.3s ease;
    cursor: pointer;
}

.billing-label.active {
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    border-radius: 14px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
}

.toggle-switch.yearly {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-primary);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-switch.yearly .toggle-knob {
    transform: translateX(24px);
    background: #fff;
}

.save-badge {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--success);
    background: rgba(0, 206, 201, 0.1);
    border: 1px solid rgba(0, 206, 201, 0.25);
    padding: 4px 10px;
    border-radius: 20px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.save-badge.visible {
    opacity: 1;
    transform: scale(1);
}

/* ── Pricing Cards ── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
    max-width: 1100px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }
}

.pricing-card {
    padding: 36px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.06);
    transform: scale(1.03);
    box-shadow: 0 8px 40px rgba(108, 92, 231, 0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-4px);
}

.popular-tag {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 5px 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 0 0 10px 10px;
}

.pricing-tier {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
    margin-top: 12px;
}

.pricing-name {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.pricing-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.pricing-price-wrap {
    margin-bottom: 6px;
    min-height: 56px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.pricing-currency {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-light);
    vertical-align: super;
    line-height: 1;
    align-self: flex-start;
    margin-top: 6px;
}

.pricing-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-light);
    line-height: 1;
    transition: opacity 0.2s, transform 0.2s;
}

.pricing-amount.switching {
    opacity: 0;
    transform: translateY(-8px);
}

.pricing-period {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.pricing-yearly-note {
    font-size: 0.78rem;
    color: var(--success);
    font-weight: 600;
    min-height: 20px;
    margin-bottom: 20px;
    transition: opacity 0.3s;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
    flex-grow: 1;
    padding: 0;
}

.pricing-features li {
    padding: 7px 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.pricing-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pricing-btn {
    width: 100%;
    padding: 13px;
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent-light);
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.pricing-btn:hover {
    background: var(--accent);
    color: #fff;
}

.pricing-card.featured .pricing-btn {
    background: var(--accent);
    color: #fff;
}

.pricing-card.featured .pricing-btn:hover {
    background: var(--accent-light);
}

.lifetime-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(0, 206, 201, 0.08), rgba(108, 92, 231, 0.08));
    border: 1px solid rgba(0, 206, 201, 0.2);
    color: var(--success);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.lifetime-btn:hover {
    border-color: var(--success);
    background: rgba(0, 206, 201, 0.15);
    transform: translateY(-1px);
}

/* ── Bulk Purchase Section ── */
.bulk-section {
    margin-top: 56px;
    text-align: center;
}

.bulk-section h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.bulk-subtitle {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 28px;
}

.bulk-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.bulk-card {
    padding: 24px 32px;
    border-radius: 14px;
    text-align: center;
    min-width: 140px;
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

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

.bulk-years {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.bulk-discount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--success);
    line-height: 1.1;
}

.bulk-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Tabs Navigation ── */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Data Tables ── */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 16px;
}

.data-card {
    padding: 24px;
}

.data-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent-light);
}

.data-card p,
.data-card .meta {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

.data-card .meta {
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(108, 92, 231, 0.15);
    color: var(--accent-light);
}

/* ── Version Timeline ── */
.version-list {
    max-width: 1200px;
    margin: 0 auto;
}

.version-item {
    padding: 20px 24px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.version-tag {
    flex-shrink: 0;
    padding: 4px 14px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), #5b4cdb);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    min-width: 60px;
    text-align: center;
}

.version-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.version-body p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.version-body .date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ── Footer ── */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-glass);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ── Loading Skeleton ── */
.skeleton {
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0.04) 25%,
            rgba(255, 255, 255, 0.08) 50%,
            rgba(255, 255, 255, 0.04) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
    min-height: 120px;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* ── Live Pulse (Component Status) ── */
.live-pulse {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
}

.live-pulse .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
}

.live-pulse .dot.active {
    background: var(--success);
    box-shadow: 0 0 8px rgba(0, 206, 201, 0.5);
}

.live-pulse .dot.deprecated {
    background: var(--warning);
    box-shadow: 0 0 8px rgba(253, 203, 110, 0.4);
}

.live-pulse .dot.inactive {
    background: var(--danger);
    box-shadow: none;
    animation: none;
    opacity: 0.5;
}

@keyframes pulseDot {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.4);
        opacity: 0.7;
    }
}

/* ── Loading Overlay ── */
.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.loading-overlay .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-glass);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Error State ── */
.error-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--danger);
    font-size: 0.88rem;
}

.error-state .retry-btn {
    margin-top: 12px;
    padding: 8px 20px;
    border: 1px solid var(--danger);
    background: transparent;
    color: var(--danger);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82rem;
    transition: var(--transition);
}

.error-state .retry-btn:hover {
    background: var(--danger);
    color: #fff;
}

/* ── Component Category Badge ── */
.category-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.ui {
    background: rgba(108, 92, 231, 0.15);
    color: var(--accent-light);
}

.category-badge.backend {
    background: rgba(0, 206, 201, 0.15);
    color: var(--success);
}

.category-badge.ai {
    background: rgba(253, 203, 110, 0.15);
    color: var(--warning);
}

.category-badge.security {
    background: rgba(255, 107, 107, 0.15);
    color: var(--danger);
}

.category-badge.default {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
}

/* ── Reveal Animation Fix ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Prevent grid layout shift during reveal */
.features-slider-wrap .feature-card.reveal,
.pricing-grid .pricing-card.reveal,
.data-grid .data-card.reveal,
.version-list .version-item.reveal {
    transform: translateY(0);
    opacity: 0;
}

.features-slider-wrap .feature-card.reveal.visible,
.pricing-grid .pricing-card.reveal.visible,
.data-grid .data-card.reveal.visible,
.version-list .version-item.reveal.visible {
    opacity: 1;
}

/* ── Data Card Clickable ── */
.data-card.clickable,
.version-item.clickable {
    cursor: pointer;
}

.data-card.clickable:hover {
    border-color: var(--accent);
}

.version-item.clickable:hover {
    border-color: var(--accent);
}

/* ── Modal Overlay ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
    width: 90%;
    max-width: 640px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
}

.modal-overlay.open .modal-box {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-glass);
    flex-shrink: 0;
}

.modal-header .modal-icon {
    font-size: 1.6rem;
    margin-right: 10px;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-light);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-glass);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.modal-body .meta-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.modal-body pre {
    background: rgba(0, 0, 0, 0.35);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.82rem;
    margin-top: 12px;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.modal-body code {
    background: rgba(108, 92, 231, 0.12);
    color: var(--accent-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: 'Fira Code', 'Courier New', monospace;
}

.modal-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* Modal Detail Table */
.modal-detail-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.88rem;
}

.modal-detail-table th {
    text-align: left;
    padding: 10px 14px;
    background: rgba(108, 92, 231, 0.08);
    color: var(--accent-light);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-glass);
}

.modal-detail-table td {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    vertical-align: top;
}

.modal-detail-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Modal Changelog */
.modal-changelog-section {
    margin-top: 16px;
}

.modal-changelog-section h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.modal-changelog-section h4.added {
    color: var(--success);
}

.modal-changelog-section h4.improved {
    color: var(--accent-light);
}

.modal-changelog-section h4.fixed {
    color: var(--warning);
}

.modal-changelog-section ul {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
}

.modal-changelog-section ul li {
    padding: 6px 0 6px 20px;
    position: relative;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.modal-changelog-section ul li::before {
    content: '▸';
    position: absolute;
    left: 4px;
    color: var(--text-muted);
}

/* Modal rendered markdown */
.modal-body .md-content h1,
.modal-body .md-content h2,
.modal-body .md-content h3 {
    color: var(--text-primary);
    margin: 16px 0 8px;
    font-weight: 700;
}

.modal-body .md-content h1 {
    font-size: 1.3rem;
}

.modal-body .md-content h2 {
    font-size: 1.15rem;
}

.modal-body .md-content h3 {
    font-size: 1rem;
}

.modal-body .md-content p {
    margin-bottom: 10px;
}

.modal-body .md-content ul,
.modal-body .md-content ol {
    padding-left: 20px;
    margin-bottom: 10px;
}

.modal-body .md-content li {
    margin-bottom: 4px;
}

.modal-body .md-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 8px 16px;
    margin: 12px 0;
    background: rgba(108, 92, 231, 0.06);
    border-radius: 0 8px 8px 0;
}

.modal-body .md-content a {
    color: var(--accent-light);
    text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 100px 16px 60px;
    }

    .pricing-grid,
    .data-grid {
        grid-template-columns: 1fr;
    }

    .tabs-nav {
        gap: 4px;
    }

    .tab-btn {
        padding: 8px 16px;
        font-size: 0.82rem;
    }

    .section {
        padding: 60px 0;
    }
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}