/* ============================================================
   keynexis — Custom Styles
   Primary: #E500FF (Magenta from logo)
   ============================================================ */

:root {
    --kn-magenta: #E500FF;
    --kn-magenta-rgb: 229, 0, 255;
    --kn-magenta-dark: #B800CC;
    --kn-magenta-light: #F24FFF;
    --kn-surface: #111118;
    --kn-surface-card: #16161F;
    --kn-surface-elevated: #1C1C28;
    --kn-border: rgba(229, 0, 255, 0.12);
    --kn-text: #E8E8F0;
    --kn-text-secondary: #8888A0;
}

body {
    background: #0A0A10;
    color: var(--kn-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    overflow-x: hidden;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(229, 0, 255, 0.25); border-radius: 3px; }

/* ---- Navbar ---- */
.navbar-glass {
    background: rgba(10, 10, 16, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--kn-border);
}
.navbar-glass .nav-link {
    color: var(--kn-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}
.navbar-glass .nav-link:hover {
    color: var(--kn-magenta);
}

/* ---- Particle Canvas ---- */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ---- Hero ---- */
.hero-section {
    min-height: 100vh;
    padding-top: 6rem;
    position: relative;
}
.min-vh-75 {
    min-height: 75vh;
}
.hero-glow {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(var(--kn-magenta-rgb), 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--kn-surface-elevated);
    border: 1px solid var(--kn-border);
    border-radius: 99px;
    padding: 0.375rem 1rem;
    font-size: 0.8rem;
    color: var(--kn-magenta-light);
    font-weight: 500;
}
.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22C55E;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.text-gradient {
    background: linear-gradient(135deg, var(--kn-magenta), var(--kn-magenta-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Buttons ---- */
.btn-accent {
    background: var(--kn-magenta);
    color: #fff;
    border: none;
    font-weight: 600;
    transition: all 0.25s;
}
.btn-accent:hover {
    background: var(--kn-magenta-dark);
    color: #fff;
    box-shadow: 0 0 24px rgba(var(--kn-magenta-rgb), 0.35);
    transform: translateY(-1px);
}
.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.15);
    font-weight: 500;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ---- Hero Visual (Orbit) ---- */
.hero-visual {
    position: relative;
    width: 340px;
    height: 340px;
}
.orbit {
    position: absolute;
    border: 1px solid var(--kn-border);
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}
.orbit-1 { width: 160px; height: 160px; }
.orbit-2 { width: 260px; height: 260px; }
.orbit-3 { width: 340px; height: 340px; border-style: dashed; opacity: 0.5; }
.hub {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 72px; height: 72px;
    background: var(--kn-surface-elevated);
    border: 2px solid var(--kn-magenta);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(var(--kn-magenta-rgb), 0.25);
    z-index: 2;
}
.satellite {
    position: absolute;
    width: 38px; height: 38px;
    background: var(--kn-surface-elevated);
    border: 1px solid var(--kn-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--kn-magenta-light);
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}
.sat-1 { top: 50%; left: -2%;  transform: translateY(-50%); animation-delay: 0s; }
.sat-2 { top: 8%;  left: 25%;  animation-delay: 1s; }
.sat-3 { top: 8%;  right: 25%; animation-delay: 2s; }
.sat-4 { top: 50%; right: -2%; transform: translateY(-50%); animation-delay: 3s; }
.sat-5 { bottom: 5%; left: 50%; transform: translateX(-50%); animation-delay: 4s; }
@keyframes float {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(calc(-50% - 6px)) scale(1.05); }
}
.sat-2, .sat-3, .sat-5 {
    animation-name: float-alt;
}
@keyframes float-alt {
    0%, 100% { transform: scale(1); }
    50% { transform: translateY(-6px) scale(1.05); }
}

/* ---- Sections ---- */
.py-6 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}
.bg-surface {
    background: var(--kn-surface);
}

/* ---- Feature Cards ---- */
.feature-card {
    background: var(--kn-surface-card);
    border: 1px solid var(--kn-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    transition: all 0.3s;
}
.feature-card:hover {
    border-color: rgba(var(--kn-magenta-rgb), 0.35);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(var(--kn-magenta-rgb), 0.08);
}
.feature-icon {
    width: 48px; height: 48px;
    background: rgba(var(--kn-magenta-rgb), 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--kn-magenta);
    margin-bottom: 1rem;
}

/* ---- System Cards ---- */
.system-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--kn-surface-card);
    border: 1px solid var(--kn-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s;
}
.system-card:hover {
    border-color: rgba(var(--kn-magenta-rgb), 0.35);
    transform: translateY(-2px);
}
.system-icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    background: rgba(var(--kn-magenta-rgb), 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: var(--kn-magenta);
}

/* ---- API Section ---- */
.api-method {
    font-family: 'SFMono-Regular', 'Consolas', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.03em;
    min-width: 50px;
    text-align: center;
}
.api-method.post {
    background: rgba(var(--kn-magenta-rgb), 0.15);
    color: var(--kn-magenta-light);
}
.api-method.get {
    background: rgba(34, 197, 94, 0.15);
    color: #22C55E;
}

/* ---- Code Block ---- */
.code-block {
    background: var(--kn-surface-card);
    border: 1px solid var(--kn-border);
    border-radius: 16px;
    overflow: hidden;
}
.code-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--kn-border);
}
.code-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    margin-right: 6px;
}
.code-dot.red { background: #FF5F57; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green { background: #28CA41; }
.code-body {
    padding: 1.25rem;
    font-size: 0.82rem;
    line-height: 1.7;
    overflow-x: auto;
    background: transparent;
    color: var(--kn-text);
}
.code-comment { color: var(--kn-text-secondary); }
.code-keyword { color: var(--kn-magenta-light); }
.code-string { color: #22C55E; }

/* ---- Footer ---- */
footer {
    background: var(--kn-surface);
}

/* ---- Error Pages ---- */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.error-code {
    font-size: 6rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--kn-magenta), var(--kn-magenta-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Docs Page ---- */
.docs-header {
    padding-top: 7rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--kn-border);
}
.docs-nav-link {
    display: flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    color: var(--kn-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s;
}
.docs-nav-link:hover,
.docs-nav-link.active {
    color: var(--kn-text);
    background: var(--kn-surface-elevated);
}
.letter-spacing {
    letter-spacing: 0.06em;
}
.docs-card {
    background: var(--kn-surface-card);
    border: 1px solid var(--kn-border);
    border-radius: 12px;
    padding: 1.5rem;
}
.docs-card .table {
    margin-top: 0;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .hero-section { padding-top: 5rem; }
    .display-3 { font-size: 2.25rem; }
    .py-6 { padding-top: 3rem; padding-bottom: 3rem; }
}