/* ============================================================
   Quantum Institut — Global Master Stylesheet v2
   Updated: 2026-10-07
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* -------------------------------------------------------
   CSS Custom Properties (Design Tokens)
------------------------------------------------------- */
:root {
    --qi-dark:     #050A1A;
    --qi-navy:     #0A1128;
    --qi-card:     #0D1836;
    --qi-border:   rgba(0, 229, 255, 0.12);
    --qi-cyan:     #00E5FF;
    --qi-purple:   #7C4DFF;
    --qi-green:    #00E676;
    --qi-red:      #FF5252;
    --qi-amber:    #FFAB00;

    /* Glow shadows */
    --glow-cyan:   0 0 24px rgba(0, 229, 255, 0.25);
    --glow-purple: 0 0 24px rgba(124, 77, 255, 0.25);
    --glow-green:  0 0 24px rgba(0, 230, 118, 0.20);

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;
}

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

html, body {
    max-width: 100vw;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    background-color: var(--qi-dark);
    color: #E2E8F0;
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, .font-heading { font-family: var(--font-heading); }
code, kbd, pre, .font-mono       { font-family: var(--font-mono); }

/* -------------------------------------------------------
   Scrollbar — Quantum Dark Theme
------------------------------------------------------- */
*::-webkit-scrollbar         { width: 4px; height: 4px; background: transparent; }
*::-webkit-scrollbar-thumb   { background: rgba(0, 229, 255, 0.20); border-radius: 99px; }
*::-webkit-scrollbar-thumb:hover { background: rgba(0, 229, 255, 0.50); }
*::-webkit-scrollbar-track   { background: transparent; }
*                             { scrollbar-width: thin; scrollbar-color: rgba(0, 229, 255, 0.20) transparent; }

.no-scrollbar::-webkit-scrollbar        { display: none !important; width: 0 !important; height: 0 !important; }
.no-scrollbar                           { scrollbar-width: none !important; -ms-overflow-style: none !important; }

.thin-scrollbar::-webkit-scrollbar       { height: 3px; width: 3px; background: transparent; }
.thin-scrollbar::-webkit-scrollbar-thumb { background: rgba(0, 229, 255, 0.25); border-radius: 99px; }
.thin-scrollbar::-webkit-scrollbar-thumb:hover { background: rgba(0, 229, 255, 0.55); }
.thin-scrollbar::-webkit-scrollbar-track { background: transparent; }
.thin-scrollbar                          { scrollbar-width: thin; scrollbar-color: rgba(0, 229, 255, 0.25) transparent; }

/* -------------------------------------------------------
   Glass Card Component
------------------------------------------------------- */
.glass-card {
    background: linear-gradient(135deg, rgba(13,24,54,0.80) 0%, rgba(10,17,40,0.92) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--qi-border);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.glass-card:hover {
    border-color: rgba(0, 229, 255, 0.38);
    box-shadow: var(--glow-cyan);
}

/* -------------------------------------------------------
   Gradient Text Utilities
------------------------------------------------------- */
.text-gradient-cyan   { background: linear-gradient(135deg, #00E5FF 0%, #00B0CC 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-gradient-purple { background: linear-gradient(135deg, #A78BFA 0%, #7C4DFF 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-gradient-brand  { background: linear-gradient(135deg, #00E5FF 0%, #7C4DFF 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* -------------------------------------------------------
   Glow Borders
------------------------------------------------------- */
.glow-cyan   { box-shadow: var(--glow-cyan); }
.glow-purple { box-shadow: var(--glow-purple); }
.border-glow-cyan   { border-color: rgba(0, 229, 255, 0.50) !important; }
.border-glow-purple { border-color: rgba(124, 77, 255, 0.50) !important; }

/* -------------------------------------------------------
   Scroll Reveal Animation
------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* -------------------------------------------------------
   Ticker Marquee (landing page & terminal)
------------------------------------------------------- */
@keyframes ticker {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.animate-ticker {
    animation: ticker 40s linear infinite;
}
.animate-ticker:hover { animation-play-state: paused; }

/* -------------------------------------------------------
   Pulse Glow (logo & status dots)
------------------------------------------------------- */
@keyframes pulseGlow {
    0%,100% { opacity: 0.5; filter: drop-shadow(0 0 8px rgba(0,229,255,0.4)); }
    50%      { opacity: 1;   filter: drop-shadow(0 0 22px rgba(124,77,255,0.8)); }
}
.animate-pulse-glow { animation: pulseGlow 3s ease-in-out infinite; }

/* -------------------------------------------------------
   Stream / Feed Pulse
------------------------------------------------------- */
@keyframes streamPulse {
    0%,100% { opacity: 1; filter: drop-shadow(0 0 6px var(--qi-cyan)); }
    50%      { opacity: 0.4; filter: drop-shadow(0 0 1px var(--qi-cyan)); }
}
.pulse-stream { animation: streamPulse 2s ease-in-out infinite; }

/* -------------------------------------------------------
   Section Scroll Offset (sticky header)
------------------------------------------------------- */
section[id] { scroll-margin-top: 80px; }

/* -------------------------------------------------------
   Light Theme Override
------------------------------------------------------- */
html.light-theme {
    --qi-dark:  #F8FAFC;
    --qi-navy:  #F1F5F9;
    --qi-card:  #FFFFFF;
    --qi-border: rgba(100, 116, 139, 0.20);
}
html.light-theme body  { background-color: #F8FAFC !important; color: #0F172A !important; }
html.light-theme header { background-color: #FFFFFF !important; border-color: #CBD5E1 !important; }
html.light-theme .glass-card { background: rgba(248,250,252,0.92) !important; }

/* -------------------------------------------------------
   Responsive Breakpoint Helpers
------------------------------------------------------- */
@media (max-width: 479px) {
    .hero-title { font-size: 1.5rem !important; line-height: 1.25 !important; }
    .touch-target-min { min-height: 44px; min-width: 44px; }
}

/* -------------------------------------------------------
   Status / Badge Colors
------------------------------------------------------- */
.badge-setup    { background: rgba(0,229,255,0.15); color: #00E5FF; border: 1px solid rgba(0,229,255,0.40); }
.badge-pantau   { background: rgba(255,171,0,0.15); color: #FFAB00; border: 1px solid rgba(255,171,0,0.40); }
.badge-hold     { background: rgba(255,82,82,0.15);  color: #FF5252; border: 1px solid rgba(255,82,82,0.40); }
.badge-pro      { background: rgba(124,77,255,0.15); color: #A78BFA; border: 1px solid rgba(124,77,255,0.40); }

/* -------------------------------------------------------
   PRO Gate Overlay — applied to locked sections
------------------------------------------------------- */
.pro-section-locked {
    position: relative;
    overflow: hidden;
}
.pro-section-locked::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(7, 12, 26, 0.82);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 10;
    border-radius: inherit;
}
.pro-section-locked .pro-lock-overlay {
    position: absolute;
    inset: 0;
    z-index: 11;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    gap: 0.5rem;
}

/* PRO Tab badge */
.tab-pro-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    background: rgba(124, 77, 255, 0.20);
    color: #A78BFA;
    border: 1px solid rgba(124, 77, 255, 0.35);
    vertical-align: middle;
    line-height: 1.4;
}

/* FREE area divider */
.area-divider-free {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #00E5FF;
    padding: 0.25rem 0;
}
.area-divider-free::before,
.area-divider-free::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,229,255,0.3), transparent);
}

.area-divider-pro {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #A78BFA;
    padding: 0.25rem 0;
}
.area-divider-pro::before,
.area-divider-pro::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124,77,255,0.3), transparent);
}

/* Mobile-first bottom sticky nav */
@media (max-width: 767px) {
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        background: rgba(7, 13, 34, 0.97);
        border-top: 1px solid rgba(0, 229, 255, 0.12);
        display: flex;
        align-items: center;
        justify-content: space-around;
        padding: 6px 0 max(6px, env(safe-area-inset-bottom));
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }
    .mobile-bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 4px 8px;
        font-size: 9px;
        font-family: 'JetBrains Mono', monospace;
        color: #64748B;
        border-radius: 8px;
        transition: color 0.15s;
        text-decoration: none;
        min-width: 48px;
        min-height: 44px;
        justify-content: center;
    }
    .mobile-bottom-nav-item.active,
    .mobile-bottom-nav-item:hover {
        color: #00E5FF;
    }
    .mobile-bottom-nav-item .nav-icon {
        font-size: 18px;
        line-height: 1;
    }
}

/* Ensure terminal main content doesn't get hidden behind bottom nav on mobile */
@media (max-width: 767px) {
    .terminal-main-scroll { padding-bottom: 68px; }
}