/*
 * INVOXA Landing Page Styles
 * Sales & Subscription Page
 */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-card: #13131f;
    --bg-card-hover: #1a1a2e;
    --accent-primary: #6c63ff;
    --accent-secondary: #00d4ff;
    --accent-glow: rgba(108, 99, 255, 0.25);
    --accent-glow-strong: rgba(108, 99, 255, 0.45);
    --text-primary: #f0f0ff;
    --text-secondary: #8888aa;
    --text-muted: #55557a;
    --success: #00ff9d;
    --warning: #ffcc00;
    --danger: #ff4466;
    --border: rgba(255,255,255,0.07);
    --border-accent: rgba(108,99,255,0.4);
    --radius: 16px;
    --radius-sm: 8px;

    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.2s ease-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-secondary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hidden { display: none !important; }

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

.scroll-progress-bar {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    width: 0%;
    z-index: 1001;
    transition: width 0.1s ease-out;
}

/* ═══════ NAVBAR ═══════ */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: background var(--transition-smooth), backdrop-filter var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

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

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

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

.nav-cta {
    padding: 8px 20px;
    background: var(--accent-primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

/* ═══════ STATS BAR ═══════ */
.stats-bar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 12px 24px;
    z-index: 999;
    transform: translateY(-100%);
    transition: transform var(--transition-smooth);
}

.stats-bar.visible {
    transform: translateY(0);
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-badge svg {
    color: var(--accent-primary);
}

/* ═══════ HERO ═══════ */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    line-height: 1.15;
}

.glow-text {
    color: var(--accent-primary);
    text-shadow: 0 0 30px var(--accent-glow);
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto 40px;
    height: 28px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 12px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
    cursor: pointer;
}

.cta-button.primary {
    background: var(--accent-primary);
    color: white;
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.cta-button.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.cta-button.secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.05);
}

.shimmer-btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer { 100% { left: 200%; } }

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.4;
}

.mouse {
    width: 24px; height: 36px;
    border: 2px solid var(--text-secondary);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 6px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 4px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: scroll-mouse 2s infinite cubic-bezier(0.15, 0.41, 0.69, 0.94);
}

@keyframes scroll-mouse {
    0% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, 15px); }
}

/* ═══════ NOTICE ═══════ */
.notice-section {
    padding: 40px 0;
}

.notice-box {
    display: flex;
    gap: 20px;
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius);
}

.notice-icon {
    flex-shrink: 0;
    color: var(--warning);
    margin-top: 2px;
}

.notice-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.notice-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.notice-content ul {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.notice-content li { margin-bottom: 4px; }

/* ═══════ SECTIONS COMMON ═══════ */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 8px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.section-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ═══════ FEATURES ═══════ */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, var(--bg-secondary), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

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

.feature-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    transform: translateY(-6px);
}

.feature-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg { width: 24px; height: 24px; }

.feature-card h3 {
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ═══════ DEMO ═══════ */
.demo-section {
    padding: 80px 0;
}

.demo-container {
    max-width: 800px;
    margin: 0 auto;
}

.demo-placeholder {
    aspect-ratio: 16 / 9;
    background: var(--bg-card);
    border: 2px solid var(--border-accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 40px var(--accent-glow);
}

.demo-overlay {
    text-align: center;
    color: var(--text-secondary);
}

.demo-overlay svg {
    color: var(--accent-primary);
    opacity: 0.5;
    margin-bottom: 16px;
}

.demo-overlay p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* ═══════ DOWNLOAD ═══════ */
.download-section {
    padding: 80px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.download-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-6px);
    box-shadow: 0 15px 40px var(--accent-glow);
}

.download-icon {
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.download-card h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.download-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.download-btn-inline {
    padding: 8px 24px;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.download-card:hover .download-btn-inline {
    box-shadow: 0 4px 15px var(--accent-glow-strong);
}

.download-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 20px;
}

.linux-install-commands {
    max-width: 600px;
    margin: 32px auto 0;
}

.linux-install-commands h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.command-box {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 70px 14px 14px;
    margin-bottom: 10px;
}

.command-box code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-secondary);
    word-break: break-all;
    line-height: 1.5;
    display: block;
    max-height: 60px;
    overflow: hidden;
}

.copy-cmd-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}

.copy-cmd-btn:hover {
    box-shadow: 0 4px 12px var(--accent-glow);
}

.uninstall-details {
    margin-top: 8px;
}

.uninstall-details summary {
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.uninstall-details summary:hover {
    color: var(--danger);
}

/* ═══════ PRICING ═══════ */
.pricing-section {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, var(--bg-secondary), transparent);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    text-align: center;
    position: relative;
    transition: var(--transition-smooth);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.pricing-card.featured {
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 100px;
    letter-spacing: 0.05em;
}

.pricing-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 12px;
}

.pricing-amount {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.pricing-period {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.pricing-savings {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 2px;
}

.pricing-savings del {
    color: var(--danger);
}

.pricing-equivalent {
    color: var(--accent-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.pricing-divider {
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pricing-features li strong {
    color: var(--accent-primary);
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 14px;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 12px;
    text-decoration: none;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
    cursor: pointer;
}

.pricing-btn.outline {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.pricing-btn.outline:hover {
    background: var(--accent-primary);
    color: white;
}

.pricing-btn.primary {
    background: var(--accent-primary);
    color: white;
    border: 2px solid var(--accent-primary);
}

.pricing-btn.primary:hover {
    box-shadow: 0 8px 25px var(--accent-glow-strong);
    transform: translateY(-2px);
}

.pricing-footer {
    text-align: center;
    margin-top: 40px;
}

.pricing-secure {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.payment-methods span {
    padding: 4px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pricing-terms {
    color: var(--text-muted);
    font-size: 0.75rem;
    max-width: 500px;
    margin: 0 auto;
}

/* ═══════ STEPS ═══════ */
.steps-section {
    padding: 100px 0;
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.step-card {
    flex: 1;
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition-smooth);
}

.step-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

.step-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    flex-shrink: 0;
}

/* ═══════ SUPPORT FORM ═══════ */
.support-section {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, var(--bg-secondary), transparent);
}

.support-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238888aa' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-sans);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

.form-submit:hover {
    box-shadow: 0 8px 25px var(--accent-glow-strong);
    transform: translateY(-2px);
}

.form-success {
    text-align: center;
    padding: 48px 24px;
    animation: fadeInUp 0.5s ease-out;
}

.success-icon { margin-bottom: 16px; }

.form-success h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--success);
}

.form-success p {
    color: var(--text-secondary);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ═══════ FOOTER ═══════ */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    margin-top: 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo {
    font-size: 1.3rem;
    font-weight: 800;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.footer-badge {
    padding: 6px 14px;
    background: rgba(255,255,255,0.04);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ═══════ ANIMATIONS ═══════ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }
.delay-5 { animation-delay: 0.75s; }

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

.flip-in {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.flip-in.in-view {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Trial badge in hero */
.hero-trial {
    color: var(--success);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 20px;
    padding: 8px 20px;
    background: rgba(0, 255, 157, 0.06);
    border: 1px solid rgba(0, 255, 157, 0.2);
    border-radius: 100px;
    display: inline-block;
}

/* Trial banner in pricing section */
.trial-banner-web {
    display: inline-block;
    padding: 8px 24px;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(0, 212, 255, 0.1));
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    color: var(--accent-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    animation: glowPulse 3s ease-in-out infinite;
}

/* Gradient border animation for featured card */
.pricing-card.featured {
    background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
                linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary)) border-box;
    border: 2px solid transparent;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Glow pulse for CTA buttons */
.cta-button.primary {
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 40px var(--accent-glow-strong); }
}

/* Floating animation for demo placeholder */
.demo-placeholder {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Step number pulse */
.step-number {
    animation: stepPulse 2s ease-in-out infinite;
}

@keyframes stepPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.3); }
    50% { box-shadow: 0 0 0 10px rgba(108, 99, 255, 0); }
}

/* Form focus glow animation */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    animation: focusGlow 0.3s ease-out;
}

@keyframes focusGlow {
    from { box-shadow: 0 0 0 0 var(--accent-glow); }
    to { box-shadow: 0 0 0 3px var(--accent-glow); }
}

/* Smooth section dividers */
.features::before,
.pricing-section::before,
.support-section::before {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.2;
    margin-bottom: 40px;
}

/* Badge shimmer */
.hero-badge {
    background-size: 200% 100%;
    animation: badgeShimmer 8s linear infinite;
}

@keyframes badgeShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Navbar link underline animation */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

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

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

    .stats-bar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        text-align: center;
    }

    .stat-badge { justify-content: center; font-size: 0.7rem; }

    .hero-title { font-size: 2rem; }

    .hero-cta { flex-direction: column; align-items: center; }

    .notice-box { flex-direction: column; }

    .features-grid { grid-template-columns: 1fr; }

    .download-grid { grid-template-columns: 1fr; max-width: 300px; }

    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-4px); }

    .steps-grid { flex-direction: column; }
    .step-connector { width: 2px; height: 30px; }

    .form-row { grid-template-columns: 1fr; }

    .footer-content { flex-direction: column; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}