/* ==========================================================================
   Buildlyst — Premium High-Shine Design System (Cinematic Intro)
   ========================================================================== */

/* 1. CSS Custom Properties (Tokens) */
:root {
    /* Premium High-Contrast Colors */
    --c-bg: #030305;
    --c-surface: rgba(255, 255, 255, 0.03);
    --c-surface-hover: rgba(255, 255, 255, 0.08);
    --c-border: rgba(255, 255, 255, 0.1);
    
    /* Text */
    --c-text-primary: #FFFFFF;
    --c-text-secondary: #A0A0A5;
    
    /* Accents (Neon & Shine) */
    --c-accent-cyan: #00D2FF;
    --c-accent-blue: #3A7BD5;
    --c-accent-purple: #8A2387;
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Animation */
    --transition-fast: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 2. Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background-color: var(--c-bg); }

body {
    background-color: var(--c-bg);
    color: var(--c-text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.scroll-locked { overflow: hidden !important; }
::selection { background-color: var(--c-accent-cyan); color: var(--c-bg); }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }

/* Ambient Background Glows */
.ambient-glow { position: fixed; border-radius: 50%; filter: blur(100px); z-index: -1; pointer-events: none; opacity: 0.4; }
.glow-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: radial-gradient(circle, var(--c-accent-purple) 0%, transparent 70%); }
.glow-2 { bottom: -20%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, var(--c-accent-blue) 0%, transparent 70%); }

/* Typography Scale */
h1, h2, h3, .logo { font-family: var(--font-display); }
h1 { font-weight: 700; font-size: clamp(48px, 8vw, 84px); letter-spacing: -0.04em; line-height: 1.05; margin-bottom: var(--space-md); }
h2.section-heading { font-weight: 700; font-size: clamp(36px, 5vw, 48px); letter-spacing: -0.03em; line-height: 1.15; margin-bottom: var(--space-lg); }
h3 { font-weight: 600; font-size: 24px; letter-spacing: -0.02em; line-height: 1.3; margin-bottom: var(--space-sm); }
.overline { display: inline-block; font-family: var(--font-body); font-weight: 700; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; line-height: 1.2; margin-bottom: var(--space-sm); }
.overline.highlight { color: var(--c-accent-cyan); }
.subtext, .demo-subtext { font-size: 18px; color: var(--c-text-secondary); max-width: 650px; margin: 0 auto; }

/* Gradients & Shine */
.text-gradient { background: linear-gradient(135deg, #fff 0%, var(--c-text-secondary) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-gradient-hero { background: linear-gradient(to right, #FFFFFF 20%, var(--c-accent-cyan) 60%, var(--c-accent-blue) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; background-size: 200% auto; animation: shine 5s linear infinite; }
@keyframes shine { to { background-position: 200% center; } }

/* Glassmorphism */
.glass-panel { 
    background: var(--c-surface); 
    backdrop-filter: blur(16px); 
    -webkit-backdrop-filter: blur(16px); 
    border: 1px solid var(--c-border); 
    border-radius: var(--radius-md); 
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3); 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.glass-panel:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: rgba(0, 210, 255, 0.4);
    box-shadow: 0 15px 40px rgba(0, 210, 255, 0.15);
    background: var(--c-surface-hover);
}
.p-lg { padding: var(--space-lg) !important; }

/* Buttons & Inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 28px; font-family: var(--font-body); font-weight: 600; font-size: 16px; border: none; border-radius: 30px; cursor: pointer; transition: all var(--transition-fast); position: relative; overflow: hidden; text-align: center; }
.glow-border-btn { background: linear-gradient(var(--c-bg), var(--c-bg)) padding-box, linear-gradient(90deg, var(--c-accent-cyan), var(--c-accent-purple)) border-box; border: 2px solid transparent; color: #fff; box-shadow: 0 0 15px rgba(0, 210, 255, 0.2); }
.glow-border-btn:hover { box-shadow: 0 0 25px rgba(0, 210, 255, 0.5); transform: translateY(-2px); }
.glass-btn { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.2); color: #fff; backdrop-filter: blur(10px); }
.glass-btn:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }
.w-100 { width: 100%; }

.glass-input { width: 100%; background: rgba(0, 0, 0, 0.2); border: 1px solid var(--c-border); color: var(--c-text-primary); padding: 14px 20px; font-family: var(--font-body); font-size: 16px; border-radius: var(--radius-sm); transition: all var(--transition-fast); }
.glass-input:focus { outline: none; border-color: var(--c-accent-cyan); box-shadow: 0 0 10px rgba(0, 210, 255, 0.2); background: rgba(0, 0, 0, 0.4); }

/* Layout */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 5%; }
section { padding: var(--space-xl) 0; }
.text-center { text-align: center; }
.hidden { display: none !important; }

/* 3D Tilt Cards */
.tilt-card { transform-style: preserve-3d; transform: perspective(1000px); position: relative; overflow: hidden; }
.tilt-card > * { transform: translateZ(30px); }
.spotlight { position: absolute; width: 100%; height: 100%; background: radial-gradient(600px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.06), transparent 40%); top: 0; left: 0; pointer-events: none; opacity: 0; transition: opacity var(--transition-fast); z-index: 0; transform: translateZ(0); }
.tilt-card:hover .spotlight { opacity: 1; }

/* ==========================================================================
   INTRO SPLASH SEQUENCE
   ========================================================================== */
.intro-splash { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 9999; display: flex; align-items: center; justify-content: center; background-color: var(--c-bg); overflow: hidden; }
.splash-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?q=80&w=2564&auto=format&fit=crop') center/cover no-repeat; opacity: 0.3; z-index: 1; }
.splash-screen-window { position: relative; z-index: 2; width: 300px; height: 400px; background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(0, 210, 255, 0.3); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; box-shadow: 0 0 50px rgba(0, 210, 255, 0.2); transform-origin: center center; will-change: transform; }
.splash-content { text-align: center; color: #fff; transition: opacity 0.3s; }
.splash-content h2 { font-size: 24px; letter-spacing: 2px; margin-bottom: 20px; text-transform: uppercase; animation: pulse 2s infinite; }
.scroll-indicator { font-size: 24px; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(10px); } 60% { transform: translateY(5px); } }

/* 1. Pill Navigation */
.pill-nav { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); background: rgba(255, 255, 255, 0.02); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 50px; padding: 8px 16px 8px 32px; display: flex; align-items: center; gap: 32px; z-index: 1000; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5); }
.pill-nav .logo { font-size: 20px; font-weight: 700; margin: 0; }
.pill-links { display: flex; gap: 24px; align-items: center; }
.pill-links a { font-size: 14px; font-weight: 500; color: var(--c-text-secondary); }
.pill-links a:hover, .pill-links a.active { color: #fff; text-shadow: 0 0 10px rgba(255,255,255,0.5); }
.pill-cta { padding: 10px 24px; font-size: 14px; border-radius: 40px; }

/* 2. Hero & Chat Simulation */
.hero-section { padding-top: 160px; min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; }

/* Animated SVG Waves */
.wave-container { position: absolute; bottom: 0; left: 0; width: 100%; height: 15vh; min-height: 100px; max-height: 200px; overflow: hidden; z-index: 0; pointer-events: none; }
.waves { position: relative; width: 100%; height: 100%; min-height: 100px; max-height: 200px; }
.parallax-waves > use { animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite; }
.parallax-waves > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s; }
.parallax-waves > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s; }
.parallax-waves > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s; }
.parallax-waves > use:nth-child(4) { animation-delay: -5s; animation-duration: 20s; }

@keyframes move-forever {
  0% { transform: translate3d(-90px,0,0); }
  100% { transform: translate3d(85px,0,0); }
}

.hero-container { position: relative; z-index: 1; max-width: var(--container-max); margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-lg); align-items: center; }
.hero-actions { display: flex; gap: var(--space-sm); margin-top: var(--space-md); }



.chat-simulation-container {
    width: 100%; max-width: 450px; margin-left: auto; height: 400px;
    display: flex; flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--c-surface);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 210, 255, 0.3);
    animation: minimalPulse 4s infinite alternate ease-in-out;
}

@keyframes minimalPulse {
    0% {
        box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 10px rgba(0, 210, 255, 0.1);
        border-color: rgba(0, 210, 255, 0.2);
    }
    100% {
        box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 25px rgba(0, 210, 255, 0.4);
        border-color: rgba(0, 210, 255, 0.6);
    }
}
.sim-header { padding: 16px; background: rgba(255,255,255,0.05); border-bottom: 1px solid var(--c-border); display: flex; align-items: center; gap: 12px; }
.sim-dots { display: flex; gap: 6px; }
.sim-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--c-text-secondary); }
.sim-dots span:nth-child(1) { background: #ff5f56; }
.sim-dots span:nth-child(2) { background: #ffbd2e; }
.sim-dots span:nth-child(3) { background: #27c93f; }
.sim-title { font-weight: 600; font-size: 14px; color: #fff; margin-left: auto; margin-right: auto; }
.sim-messages { padding: 20px; flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; }.sim-message { max-width: 85%; padding: 12px 16px; border-radius: 16px; font-size: 15px; line-height: 1.4; opacity: 0; transform: translateY(10px); animation: fadeUpIn 0.4s forwards; }
@keyframes fadeUpIn { to { opacity: 1; transform: translateY(0); } }
.sim-message.user { align-self: flex-end; background: rgba(0, 210, 255, 0.15); border: 1px solid var(--c-accent-cyan); border-bottom-right-radius: 4px; }
.sim-message.ai { align-self: flex-start; background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); border-bottom-left-radius: 4px; color: var(--c-text-secondary); }
.typing-indicator { display: flex; gap: 4px; padding: 4px 0; }
.typing-indicator span { width: 6px; height: 6px; background: var(--c-text-secondary); border-radius: 50%; animation: typingBounce 1.4s infinite ease-in-out both; }
.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
/* Client Logos Marquee / Trust Bar */
.trust-marquee-section {
    padding: 40px 0 60px 0;
    position: relative;
    overflow: hidden;
}
.trust-subtitle {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--c-text-secondary);
    text-transform: uppercase;
    margin-bottom: 24px;
    opacity: 0.6;
}
.trust-marquee-container {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 16px 0;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.trust-marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 64px;
    animation: trustScroll 30s linear infinite;
    will-change: transform;
}
.trust-marquee-track:hover {
    animation-play-state: paused;
}
@keyframes trustScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.trust-logo-item {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
}
.trust-logo-item svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: all 0.3s ease;
}
.trust-logo-item:hover {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(0, 210, 255, 0.6);
    transform: translateY(-2px);
}
.trust-logo-item:hover svg {
    fill: var(--c-accent-cyan);
    filter: drop-shadow(0 0 8px rgba(0, 210, 255, 0.8));
}



/* Interactive Playground Section */
.playground-container { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius-lg); overflow: hidden; height: 520px; min-height: 520px; max-height: 520px; padding: 0 !important; transform: none !important; }
.playground-container:hover { transform: none !important; box-shadow: 0 10px 30px rgba(0, 210, 255, 0.15) !important; }
@media (max-width: 900px) { .playground-container { grid-template-columns: 1fr; height: auto; min-height: auto; max-height: none; } }

/* Left side - Configurator */
.playground-editor { background: rgba(10, 10, 15, 0.6); display: flex; flex-direction: column; border-right: 1px solid var(--c-border); height: 100%; overflow: hidden; }
.editor-header { display: flex; align-items: center; padding: 10px 16px; background: rgba(0, 0, 0, 0.4); border-bottom: 1px solid var(--c-border); height: 40px; flex: none; }
.editor-title { font-family: monospace; font-size: 13px; color: var(--c-text-secondary); margin-left: 12px; }
.editor-body { padding: 18px 24px; font-family: var(--font-body); font-size: 14px; color: #fff; flex: 1; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.config-group { display: flex; flex-direction: column; gap: 4px; }
.config-label { display: block; font-size: 11px; color: var(--c-accent-cyan); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }
.pg-select { cursor: pointer; padding: 8px 12px; font-size: 13px; background: rgba(0, 0, 0, 0.3) !important; height: 38px; border-radius: var(--radius-sm); border: 1px solid var(--c-border); color: #fff; width: 100%; }
.pg-btn { padding: 10px; margin-top: 4px; height: 42px; font-size: 14px; }

/* Right side - Output & Snippet */
.playground-output { background: #000; display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.live-snippet-container { height: 165px; flex: none; background: rgba(10, 10, 15, 0.8); border-bottom: 1px solid var(--c-border); padding: 14px 20px; font-family: monospace; font-size: 12px; line-height: 1.45; color: var(--c-text-secondary); overflow: hidden; }
.terminal-wrapper { display: flex; flex-direction: column; flex: 1; min-height: 0; background: #000; overflow: hidden; }
.output-header { display: flex; justify-content: space-between; align-items: center; padding: 8px 16px; background: rgba(255, 255, 255, 0.02); border-bottom: 1px solid var(--c-border); font-family: monospace; font-size: 11px; color: var(--c-text-secondary); text-transform: uppercase; letter-spacing: 1px; height: 36px; flex: none; }
.status-indicator { color: var(--c-accent-cyan); font-weight: bold; }
.status-indicator.running { color: #ffbd2e; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }

.output-body { padding: 14px 18px; font-family: monospace; font-size: 12px; color: #a5d6ff; line-height: 1.45; flex: 1; min-height: 0; overflow: hidden; white-space: pre-wrap; word-break: break-word; }
.terminal-line { margin-bottom: 4px; opacity: 0; animation: fadeUpIn 0.2s forwards; }
.terminal-line.comment { color: #8b949e; }
.terminal-line.success { color: #27c93f; }

/* 3. About / Philosophy (NEW) */
.philosophy-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--space-xl); align-items: center; }
.philosophy-text p { font-size: 18px; color: var(--c-text-secondary); margin-bottom: 24px; line-height: 1.8; }
.philosophy-stats { 
    position: relative; 
    padding: var(--space-lg) var(--space-md); 
    display: flex; 
    flex-direction: column; 
    gap: 32px; 
    text-align: center;
    border: 1px solid rgba(0, 210, 255, 0.3) !important;
    animation: minimalPulse 4s infinite alternate ease-in-out;
}
.philosophy-stats::before {
    content: ''; position: absolute; top: 50%; left: 50%; width: 100%; height: 100%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0,210,255,0.15) 0%, transparent 70%);
    z-index: -1; filter: blur(40px);
    animation: philGlow 6s infinite alternate ease-in-out;
}
@keyframes philGlow {
    0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}
.stat-item { border-bottom: 1px solid var(--c-border); padding-bottom: 24px; }
.stat-item:last-child { border-bottom: none; padding-bottom: 0; }
.stat-number { font-family: var(--font-display); font-size: 48px; font-weight: 700; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--c-text-secondary); }

/* 3.5 Accordion Gallery (Capabilities) */
.accordion-gallery { display: flex; width: 100%; height: 500px; gap: 16px; margin-bottom: 40px; }
.accordion-item { flex: 1; position: relative; overflow: hidden; transition: flex 0.5s cubic-bezier(0.25, 1, 0.5, 1); cursor: pointer; display: flex; align-items: flex-end; padding: 32px; background: rgba(255,255,255,0.02); }
.accordion-item:hover, .accordion-item.active { flex: 4; background: rgba(255,255,255,0.05); border-color: var(--c-accent-cyan); }
.accordion-title { position: absolute; top: 32px; left: 32px; font-family: var(--font-display); font-size: 24px; font-weight: 700; writing-mode: vertical-rl; transform: rotate(180deg); transition: all 0.5s ease; white-space: nowrap; color: var(--c-text-secondary); }
.accordion-item:hover .accordion-title, .accordion-item.active .accordion-title { writing-mode: horizontal-tb; transform: none; top: 32px; left: 32px; font-size: 32px; color: var(--c-accent-cyan); }
.accordion-content { opacity: 0; transform: translateY(20px); transition: all 0.4s ease; transition-delay: 0s; max-width: 400px; color: #fff; }
.accordion-item:hover .accordion-content, .accordion-item.active .accordion-content { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }

/* 4. Projects Carousel (Case Studies) */
.section-header { margin-bottom: var(--space-lg); }
.section-header .subtext { margin-top: -1.5rem; }
.projects-carousel { position: relative; max-width: 1000px; margin: 0 auto; overflow: hidden; padding: 20px 0; }
.carousel-track { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; scroll-behavior: smooth; }
.carousel-track::-webkit-scrollbar { display: none; }
.project-card { flex: 0 0 100%; max-width: 100%; scroll-snap-align: start; display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; transition: transform 0.3s; }
.project-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0, 210, 255, 0.1); }
@media (min-width: 768px) { .project-card { flex: 0 0 calc(50% - 12px); max-width: calc(50% - 12px); } }
.project-image { height: 200px; display: flex; align-items: center; justify-content: center; position: relative; }
.project-icon { font-size: 64px; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5)); transition: transform 0.3s; }
.project-card:hover .project-icon { transform: scale(1.1); }
.project-content { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.project-overview { font-size: 15px; line-height: 1.6; color: var(--c-text-secondary); margin-top: 12px; margin-bottom: 24px; flex: 1; }
.project-overview strong { color: #fff; }
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; }
.carousel-controls { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; padding-right: 12px; }
.carousel-btn { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s ease; font-size: 20px; color: #fff; background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); }
.carousel-btn:hover { background: rgba(0,210,255,0.1); color: var(--c-accent-cyan); border-color: var(--c-accent-cyan); }

/* 5. Tech Stack Marquee (NEW) */
.tech-section { padding-top: var(--space-xl); padding-bottom: var(--space-xl); overflow: hidden; }
.marquee-container { width: 100vw; margin-left: calc(-50vw + 50%); overflow: hidden; white-space: nowrap; position: relative; padding: 24px 0; background: rgba(0,0,0,0.2); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.marquee-container::before, .marquee-container::after { content: ''; position: absolute; top: 0; width: 15%; height: 100%; z-index: 2; pointer-events: none; }
.marquee-container::before { left: 0; background: linear-gradient(to right, var(--c-bg), transparent); }
.marquee-container::after { right: 0; background: linear-gradient(to left, var(--c-bg), transparent); }
.marquee-content { display: inline-block; animation: marqueeScroll 20s linear infinite; }
.marquee-content span { display: inline-block; font-family: var(--font-display); font-size: 32px; font-weight: 700; color: rgba(255,255,255,0.3); margin: 0 40px; transition: color 0.3s; }
.marquee-content span:hover { color: var(--c-accent-cyan); text-shadow: 0 0 20px rgba(0,210,255,0.5); }
@keyframes marqueeScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 6. Scroll Stack */
.scroll-stack-section { padding: var(--space-xl) 0 160px 0; }
.scroll-stack-section .section-header { text-align: center; margin-bottom: 48px; }
.scroll-stack-container { position: relative; display: flex; flex-direction: column; align-items: center; width: 100%; }
.stack-card { position: sticky; width: 100%; max-width: 850px; margin: 0 auto 40px auto; padding: var(--space-lg); border-top: 1px solid var(--c-border); box-shadow: 0 -10px 30px rgba(0,0,0,0.5); }
.stack-card .step-number { font-family: var(--font-display); font-size: 48px; font-weight: 700; margin-bottom: 16px; line-height: 1; }

/* 7. Architecture Pipeline & Tabs */
.architecture-section { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.arch-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.arch-tab-btn { background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); color: var(--c-text-secondary); padding: 10px 24px; border-radius: 30px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.arch-tab-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }
.arch-tab-btn.active { background: rgba(0,210,255,0.15); border-color: var(--c-accent-cyan); color: #fff; box-shadow: 0 0 15px rgba(0,210,255,0.2); }
.pipeline-container { overflow-x: auto; padding: var(--space-lg) !important; display: flex; justify-content: center; }
.pipeline-flow { display: none; align-items: center; justify-content: center; width: 100%; gap: 16px; min-width: 600px; animation: fadeIn 0.4s ease; }
.pipeline-flow.active { display: flex; }
.pipe-node { width: 80px; height: 80px; background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); border-radius: 50%; display: flex; justify-content: center; align-items: center; position: relative; z-index: 2; transition: all 0.3s ease; }
.pipe-node::after { content: attr(data-label); position: absolute; bottom: -30px; font-size: 12px; color: var(--c-text-secondary); white-space: nowrap; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; transition: color 0.3s; }
.pipe-icon { font-size: 24px; filter: grayscale(1); transition: all 0.3s; }
.pipe-node.active-glow { background: rgba(0,210,255,0.1); border-color: var(--c-accent-cyan); box-shadow: 0 0 20px rgba(0,210,255,0.4); transform: scale(1.1); }
.pipe-node.active-glow::after { color: var(--c-accent-cyan); }
.pipe-node.active-glow .pipe-icon { filter: grayscale(0); }
.pipe-arrow { flex: 1; height: 2px; background: var(--c-border); position: relative; z-index: 1; min-width: 50px; }
.pipe-arrow::after { content: ''; position: absolute; right: 0; top: -4px; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid var(--c-border); }
.pipe-arrow.active-flow { background: linear-gradient(90deg, var(--c-accent-cyan), var(--c-accent-purple)); box-shadow: 0 0 10px rgba(0,210,255,0.5); }
.pipe-arrow.active-flow::after { border-left-color: var(--c-accent-purple); }

/* 8. FAQ Section (NEW) */
.faq-container { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { padding: 0; overflow: hidden; transition: all 0.3s ease; }
.faq-question { width: 100%; text-align: left; background: transparent; border: none; padding: 24px; font-family: var(--font-display); font-size: 20px; font-weight: 600; color: #fff; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-icon { color: var(--c-accent-cyan); font-size: 24px; font-weight: 400; transition: transform 0.3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 24px; color: var(--c-text-secondary); font-size: 16px; }
.faq-item.open .faq-answer { max-height: 200px; padding: 0 24px 24px 24px; }

/* ==========================================================================
   OTHER SECTIONS (Work, Pricing, Testimonials, Contact)
   ========================================================================== */
.work-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.work-card { border-radius: var(--radius-lg); padding: 0; }
.work-image { height: 300px; width: 100%; background-size: cover; background-position: center; border-bottom: 1px solid var(--c-border); }
.work-image.synth-wave { background: linear-gradient(135deg, rgba(138, 35, 135, 0.4), rgba(233, 64, 87, 0.4)); }
.work-image.cyber-grid { background: linear-gradient(135deg, rgba(0, 210, 255, 0.4), rgba(58, 123, 213, 0.4)); }
.work-content { padding: var(--space-md); }
.work-link { display: inline-block; margin-top: var(--space-sm); color: var(--c-accent-cyan); font-weight: 600; }
.work-link:hover { text-shadow: 0 0 10px rgba(0, 210, 255, 0.5); }

.pricing-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); align-items: stretch; max-width: 1200px; margin: 0 auto; }
.pricing-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); align-items: stretch; max-width: 1200px; margin: 0 auto; }
.pricing-card { 
    padding: var(--space-lg) var(--space-md); 
    text-align: center; 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 210, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 210, 255, 0.2);
}
.pricing-card.featured-pricing { padding: calc(var(--space-lg) + 20px) var(--space-md); border: 1px solid var(--c-accent-cyan); box-shadow: 0 0 30px rgba(0, 210, 255, 0.15); }
.popular-badge { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); background: var(--c-accent-cyan); color: #000; padding: 6px 16px; border-radius: 20px; font-weight: 700; font-size: 12px; text-transform: uppercase; }
.price { font-family: var(--font-display); font-size: 42px; font-weight: 700; margin: var(--space-sm) 0; }
.price span { font-size: 16px; color: var(--c-text-secondary); }
.pricing-desc { color: var(--c-text-secondary); margin-bottom: var(--space-md); font-size: 14px; }
.pricing-features { list-style: none; margin-bottom: var(--space-md); text-align: left; }
.pricing-features li { margin-bottom: 12px; color: var(--c-text-secondary); position: relative; padding-left: 24px; font-size: 14px; }
.pricing-features li::before { content: '✓'; position: absolute; left: 0; color: var(--c-accent-cyan); font-weight: bold; }

/* Predictor Form Styles */
.predictor-form { display: flex; flex-direction: column; gap: 12px; text-align: left; }
.predictor-form .glass-input { padding: 14px; font-size: 15px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); color: #fff; border-radius: var(--radius-sm); outline: none; transition: border-color 0.3s; }
.predictor-form .glass-input:focus { border-color: var(--c-accent-cyan); background: rgba(255,255,255,0.06); }
.predictor-form .glass-input option { background: #0a0a0f; color: #fff; }

/* Dynamic Matrix Tabs */
.pricing-tab { padding: 16px 24px; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); color: var(--c-text-secondary); text-align: left; font-size: 16px; border-radius: var(--radius-md); cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; justify-content: space-between; font-family: var(--font-main); }
.pricing-tab:hover { background: rgba(255,255,255,0.05); color: #fff; }
.pricing-tab.active { background: rgba(0,210,255,0.1); border-color: var(--c-accent-cyan); color: #fff; font-weight: bold; }
.pricing-tab.active::after { content: '→'; color: var(--c-accent-cyan); }

/* 8. Testimonials (Dual Infinite Marquee) */
.testimonials-section { padding-top: var(--space-xl); padding-bottom: var(--space-lg); overflow: hidden; }
.testimonial-marquee-container { display: flex; flex-direction: column; gap: 24px; overflow: hidden; width: 100vw; margin-left: calc(-50vw + 50%); padding: 20px 0; mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent); }
.testimonial-marquee { width: max-content; }
.testimonial-track { display: flex; gap: 24px; padding-left: 24px; will-change: transform; }
.testimonial-track.left { animation: scrollLeft 40s linear infinite; }
.testimonial-track.right { animation: scrollRight 40s linear infinite; }
.testimonial-track:hover { animation-play-state: paused; }

@keyframes scrollLeft { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes scrollRight { 0% { transform: translateX(-50%); } 100% { transform: translateX(0); } }

.testimonial-card { flex: 0 0 350px; height: 260px; padding: 24px; border: 1px solid var(--c-border); background: rgba(255,255,255,0.02); border-radius: var(--radius-md); position: relative; transition: transform 0.3s, box-shadow 0.3s; display: flex; flex-direction: column; }
.testimonial-card:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0, 210, 255, 0.1); border-color: rgba(0, 210, 255, 0.3); }

/* Typography & Elements */
.quote { font-size: 15px; line-height: 1.5; color: var(--c-text-secondary); font-style: italic; margin-bottom: 20px; }
.client-info { display: flex; align-items: center; gap: 12px; }
.client-avatar-img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; border: 1px solid rgba(255,255,255,0.2); }
.client-info-text h4 { font-size: 15px; margin: 0; color: #fff; }
.client-info-text span { font-size: 12px; color: var(--c-text-secondary); }
.mt-auto { margin-top: auto; }

/* Contact (Conversational UI) */
.contact-section { height: 100vh; display: flex; flex-direction: column; padding: 40px 0 40px 0; overflow: hidden; }
.contact-section .container { height: 100%; display: flex; flex-direction: column; min-height: 0; }
.contact-grid { flex: 1; min-height: 0; display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-xl); align-items: stretch; width: 100%; }
.contact-info { display: flex; flex-direction: column; gap: 12px; height: 100%; justify-content: space-between; }
.contact-form-wrapper { display: flex; flex-direction: column; height: 100%; min-height: 0; padding: 24px !important; }
.conversational-ui-container { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow: hidden; }
.conv-messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; padding-bottom: 24px; min-height: 0; }
.conv-bubble { display: flex; gap: 12px; max-width: 85%; animation: fadeUpIn 0.3s forwards; }
.conv-bubble.system { align-self: flex-start; }
.conv-bubble.user { align-self: flex-end; flex-direction: row-reverse; }
.conv-avatar { width: 32px; height: 32px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-weight: bold; font-size: 14px; flex-shrink: 0; }
.conv-bubble.system .conv-avatar { background: linear-gradient(135deg, var(--c-accent-cyan), var(--c-accent-blue)); color: #fff; }
.conv-bubble.user .conv-avatar { background: rgba(255,255,255,0.1); color: var(--c-text-secondary); }
.conv-text { padding: 12px 16px; border-radius: 16px; font-size: 15px; line-height: 1.5; }
.conv-bubble.system .conv-text { background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); border-top-left-radius: 4px; color: #fff; }
.conv-bubble.user .conv-text { background: rgba(0, 210, 255, 0.1); border: 1px solid var(--c-accent-cyan); border-top-right-radius: 4px; color: #fff; }
.conv-input-area { display: flex; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--c-border); }
.conv-input-area input { flex: 1; border-radius: 30px; }
.conv-input-area button { border-radius: 30px; }
.conv-options-area { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--c-border); }
.conv-option-btn { background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); color: #fff; padding: 8px 16px; border-radius: 20px; font-size: 14px; cursor: pointer; transition: all 0.2s; }
.conv-option-btn:hover { background: rgba(0,210,255,0.2); border-color: var(--c-accent-cyan); }
.info-block { padding: 12px 16px; margin-bottom: 0; display: flex; flex-direction: column; justify-content: center; flex: 1; }

.main-footer { padding: var(--space-xl) 0 var(--space-md); border-top: none; background: linear-gradient(180deg, var(--c-bg) 0%, rgba(10, 10, 15, 0.8) 100%); }
.footer-cta { margin-bottom: var(--space-xl); background: rgba(255,255,255,0.02); }
.footer-cta h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 2fr 1.5fr; gap: var(--space-lg); margin-bottom: var(--space-xl); align-items: start; }
.footer-tagline { color: var(--c-text-secondary); margin-top: 12px; font-size: 14px; }
.footer-links-group { display: flex; gap: 64px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a:hover { color: #fff; transform: translateX(5px); }
.newsletter-form { display: flex; gap: 12px; margin-top: 12px; }
.newsletter-form input { border-radius: 30px; }
.newsletter-form button { border-radius: 30px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: var(--space-md); text-align: center; color: var(--c-text-secondary); font-size: 14px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom a:hover { color: #fff; }

.chat-widget { position: fixed; bottom: 24px; right: 24px; z-index: 1000; }
.chat-tooltip {
    position: absolute;
    bottom: 80px;
    right: 0;
    padding: 10px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
    animation: floatTooltip 4s ease-in-out infinite;
    pointer-events: none;
    border: 1px solid rgba(0, 210, 255, 0.3);
}
.chat-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 24px;
    width: 12px;
    height: 12px;
    background: var(--c-surface);
    border-right: 1px solid rgba(0, 210, 255, 0.3);
    border-bottom: 1px solid rgba(0, 210, 255, 0.3);
    transform: rotate(45deg);
}
@keyframes floatTooltip {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.pulse-anim {
    animation: widgetPulse 2s infinite;
}
@keyframes widgetPulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 210, 255, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(0, 210, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 210, 255, 0); }
}
.chat-toggle { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.chat-panel { position: absolute; bottom: 80px; right: 0; width: 350px; overflow: hidden; opacity: 0; pointer-events: none; transform: translateY(20px); transition: all var(--transition-fast); }
.chat-panel.active { opacity: 1; pointer-events: all; transform: translateY(0); }
.chat-header { padding: 16px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--c-border); }
.chat-close { background: transparent; border: none; color: #fff; font-size: 24px; cursor: pointer; }
.chat-messages { height: 350px; padding: 16px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }
.message { max-width: 85%; font-size: 14px; }
.message.assistant { align-self: flex-start; }
.message.user { align-self: flex-end; }
.message-content { padding: 12px; border-radius: 12px; }
.message.assistant .message-content { background: rgba(255,255,255,0.05); border: 1px solid var(--c-border); border-bottom-left-radius: 2px; }
.message.user .message-content { background: var(--c-accent-blue); border-bottom-right-radius: 2px; }
.chat-input-area { display: flex; padding: 12px; border-top: 1px solid var(--c-border); }
.chat-send { background: transparent; border: none; color: var(--c-accent-cyan); cursor: pointer; padding: 8px; }

/* GSAP Animation Utilities */
.gsap-reveal { opacity: 0; visibility: hidden; }
.reveal { opacity: 0; }
.reveal.active { opacity: 1; }

/* Global Scale Section */
.global-section { padding-top: 0; padding-bottom: 80px; }
.global-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--c-border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    position: relative;
    min-height: 500px;
    padding: 60px;
    overflow: hidden;
}
.global-content {
    flex: 1;
    z-index: 2;
    max-width: 500px;
}
.global-subtitle {
    font-family: monospace;
    color: var(--c-accent-cyan);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    display: block;
}
.global-title {
    font-size: 48px;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: #fff;
    line-height: 1.1;
}
.global-desc {
    color: var(--c-text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 40px;
}
.global-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.stat-item h3 {
    font-size: 32px;
    color: #fff;
    margin: 0 0 8px 0;
}
.stat-item p {
    font-size: 13px;
    color: var(--c-text-secondary);
    line-height: 1.5;
    margin: 0;
}
.global-globe-wrapper {
    flex: 1;
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}
.global-globe-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain;
}

/* Navigation Bar Actions & Hamburger Toggle */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 38px;
    height: 38px;
    padding: 9px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--c-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}
.mobile-menu-btn:hover {
    background: rgba(0, 210, 255, 0.15);
    border-color: var(--c-accent-cyan);
}
.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Navigation Overlay / Drawer */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    justify-content: flex-end;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-drawer {
    width: 320px;
    max-width: 85vw;
    height: 100%;
    background: rgba(10, 10, 15, 0.95);
    border-left: 1px solid var(--c-border);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu-overlay.active .mobile-menu-drawer {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--c-border);
    padding-bottom: 20px;
}

.mobile-menu-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--c-border);
    color: #fff;
    font-size: 28px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.mobile-menu-close:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: #ff5f56;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 32px 0;
}

.mobile-nav-link {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--c-text-secondary);
    transition: all 0.3s ease;
    padding: 4px 0;
}
.mobile-nav-link:hover, .mobile-nav-link:focus {
    color: var(--c-accent-cyan);
    transform: translateX(6px);
}

.mobile-menu-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--c-border);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .pill-nav { width: 92%; justify-content: space-between; padding: 8px 16px; }
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-actions { justify-content: center; }
    .chat-simulation-container { margin: 0 auto; max-width: 420px; height: 360px; }
    .philosophy-grid { grid-template-columns: 1fr; gap: 40px; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    /* Capabilities Interactive Tap Accordion on Mobile */
    .accordion-gallery {
        display: flex !important;
        flex-direction: column !important;
        height: auto !important;
        gap: 12px !important;
    }
    .accordion-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
        padding: 16px 20px !important;
        width: 100% !important;
        height: auto !important;
        border-radius: var(--radius-md) !important;
        background: rgba(255, 255, 255, 0.03) !important;
        border: 1px solid var(--c-border) !important;
        transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
        cursor: pointer !important;
    }
    .accordion-item:hover, .accordion-item.active {
        flex: none !important;
        background: rgba(255, 255, 255, 0.06) !important;
        border-color: var(--c-accent-cyan) !important;
    }
    .accordion-title {
        position: relative !important;
        top: 0 !important;
        left: 0 !important;
        writing-mode: horizontal-tb !important;
        transform: none !important;
        font-size: 20px !important;
        color: #ffffff !important;
        margin-bottom: 0 !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        transition: color 0.3s ease !important;
    }
    .accordion-item.active .accordion-title {
        color: var(--c-accent-cyan) !important;
    }
    .accordion-icon {
        font-size: 22px !important;
        font-weight: 300 !important;
        color: var(--c-text-secondary) !important;
        transition: transform 0.35s ease, color 0.3s ease !important;
        display: inline-block !important;
    }
    .accordion-item.active .accordion-icon {
        transform: rotate(45deg) !important;
        color: var(--c-accent-cyan) !important;
    }
    .accordion-content {
        display: block !important;
        max-height: 0 !important;
        opacity: 0 !important;
        overflow: hidden !important;
        transform: translateY(-8px) !important;
        transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, transform 0.3s ease, padding 0.3s ease !important;
        max-width: 100% !important;
        width: 100% !important;
        font-size: 15px !important;
        line-height: 1.6 !important;
        color: var(--c-text-secondary) !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .accordion-item.active .accordion-content {
        max-height: 250px !important;
        opacity: 1 !important;
        transform: translateY(0) !important;
        padding-top: 12px !important;
    }

    /* Contact Section Mobile Overflow Fix */
    .contact-section {
        height: auto !important;
        min-height: auto !important;
        padding: 60px 0 !important;
        overflow: visible !important;
    }
    .contact-section .container {
        height: auto !important;
    }
    .contact-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 32px !important;
        height: auto !important;
    }
    .contact-form-wrapper {
        height: auto !important;
        min-height: 460px !important;
    }
    .conversational-ui-container {
        height: auto !important;
        min-height: 360px !important;
    }
    .conv-messages {
        max-height: 300px !important;
        overflow-y: auto !important;
    }
    .contact-info {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
        height: auto !important;
        margin-top: 16px !important;
    }

    .global-card { flex-direction: column; padding: 40px 24px; min-height: auto; }
    .global-globe-wrapper { position: relative; width: 100%; height: 350px; right: 0; top: 0; margin-top: 32px; }
    .global-stats { grid-template-columns: 1fr 1fr; gap: 24px; }
    .pricing-matrix { flex-direction: column; gap: 24px !important; }
    .pricing-sidebar { flex: auto !important; flex-direction: row !important; overflow-x: auto; padding-bottom: 8px; }
    .pricing-tab { flex: 0 0 auto; white-space: nowrap; }
    .pricing-content { grid-template-columns: 1fr !important; min-height: auto !important; }
    .pricing-predictor-banner { flex-direction: column; border-radius: var(--radius-md) !important; text-align: center; padding: 24px !important; }
    #pricePredictorForm { flex-direction: column; width: 100%; }
    .compact-result { text-align: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .footer-links-group { justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .stack-card-inner { grid-template-columns: 1fr !important; }
    .stack-visual { margin-top: 24px; min-height: 200px !important; }
}

@media (max-width: 768px) {
    .pill-links { display: none; }
    .mobile-menu-btn { display: flex; }
    .pill-cta { display: none; }
    .hero-section { padding-top: 130px; }
    h1 { font-size: clamp(36px, 8vw, 52px); }
    h2.section-heading { font-size: clamp(28px, 6vw, 38px); }
    .pricing-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; }
    .demo-input-group { flex-direction: column; }
    .chat-panel { width: calc(100vw - 32px); right: 16px; bottom: 85px; }
    .splash-screen-window { width: 85vw; height: 50vh; }
    
    /* Playground Responsiveness */
    .playground-container {
        grid-template-columns: 1fr;
        height: auto !important;
        min-height: auto !important;
        max-height: none !important;
    }
    .playground-editor { border-right: none; border-bottom: 1px solid var(--c-border); }
    .live-snippet-container { height: auto; max-height: 180px; }
    .output-body { height: 260px; }
    
    .contact-info {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 4%; }
    .pill-nav { width: 95%; padding: 6px 12px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .global-stats { grid-template-columns: 1fr; }
    .chat-simulation-container { max-width: 100%; }
}




/* Philosophy 4-Layer Bridge Design */
.bridge-svg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
.bridge-track { fill: none; stroke: rgba(255,255,255,0.05); stroke-width: 0.3; stroke-linecap: round; }
.bridge-pulse { fill: none; stroke: var(--c-accent-cyan); stroke-width: 0.6; stroke-dasharray: 4 20; animation: bridgeFlow 2.5s linear infinite; opacity: 0.7; }
.terminal-dot { fill: rgba(255,255,255,0.4); }
@keyframes bridgeFlow { to { stroke-dashoffset: -24; } }

.bridge-col { display: flex; flex-direction: column; justify-content: space-around; z-index: 2; height: 100%; }
.bridge-col-1 { align-items: flex-start; }
.bridge-col-2 { align-items: center; justify-content: center; }
.bridge-col-3 { align-items: center; }
.bridge-col-4 { align-items: flex-end; }

.bridge-node { padding: 8px 12px; display: flex; align-items: center; gap: 12px; font-family: var(--font-display); background: rgba(0,0,0,0.7); border: 1px solid rgba(255,255,255,0.05); border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.5); width: 160px; color: #fff; position: relative; }
.highlight-node { border-color: rgba(255,255,255,0.15); box-shadow: 0 4px 20px rgba(0,0,0,0.8); background: rgba(20,20,25,0.9); }
.node-icon { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; background: rgba(255,255,255,0.03); border-radius: 6px; color: var(--c-accent-cyan); font-size: 14px; flex-shrink: 0; }
.node-content { display: flex; flex-direction: column; gap: 2px; }
.node-title { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: #e0e0e0; }
.node-sub { font-size: 10px; color: var(--c-text-secondary); font-family: var(--font-body); }

.bridge-center-node { padding: 24px 32px; background: rgba(0,0,0,0.9); border: 1px solid var(--c-accent-cyan); border-radius: var(--radius-md); box-shadow: 0 0 50px rgba(0, 210, 255, 0.2); display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; }
.bridge-center-node::after { content: ''; position: absolute; top: -2px; left: -2px; right: -2px; bottom: -2px; border-radius: calc(var(--radius-md) + 2px); background: linear-gradient(135deg, var(--c-accent-cyan), transparent, var(--c-accent-purple)); z-index: -1; opacity: 0.8; filter: blur(6px); }

/* Responsive adjustments */
@media (max-width: 992px) {
    /* .bridge-svg responsive styling */
    .bridge-viz-container { height: auto; flex-direction: column; align-items: center; gap: 24px; padding: 0; margin-bottom: 32px; }
    .bridge-col { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 12px; width: 100%; height: auto; }
    .bridge-node { width: auto; min-width: 140px; justify-content: flex-start; }
    .bridge-col-2 { padding: 24px 0; }
}

/* Bento Grid Layout (V3) */
.bento-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 280px); gap: 24px; }
.bento-item { border-radius: 24px; padding: 40px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease; border: 1px solid rgba(255,255,255,0.05); }
.bento-item:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 20px 40px rgba(0, 210, 255, 0.1); border-color: rgba(0,210,255,0.2); }
.bento-hero { grid-column: span 2; grid-row: span 2; justify-content: flex-start; }
.bento-stat { grid-column: span 1; grid-row: span 1; justify-content: center; align-items: center; text-align: center; }
.bento-feature { grid-column: span 1; grid-row: span 1; justify-content: flex-end; }
.stat-big { font-size: 72px; font-weight: 700; line-height: 1; margin-bottom: 12px; font-family: var(--font-display); }
.stat-label { font-size: 13px; color: var(--c-text-secondary); text-transform: uppercase; letter-spacing: 2px; font-weight: 700; }
.bento-orb { position: absolute; bottom: -50px; right: -50px; width: 300px; height: 300px; background: radial-gradient(circle, rgba(0,210,255,0.2) 0%, transparent 70%); border-radius: 50%; filter: blur(30px); z-index: 0; pointer-events: none; }
.bento-item > * { position: relative; z-index: 1; }

@media (max-width: 992px) {
    .bento-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
    .bento-hero { grid-column: span 2; grid-row: auto; min-height: 350px; }
    .bento-stat, .bento-feature { min-height: 250px; }
}
@media (max-width: 576px) {
    .bento-grid { grid-template-columns: 1fr; }
    .bento-hero, .bento-stat, .bento-feature { grid-column: span 1; }
}

/* Philosophy Transformation Diagram */
.compact-node { 
    padding: 10px 16px; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-family: var(--font-display); 
    background: rgba(8, 8, 12, 0.9); 
    border: 1px solid rgba(255,255,255,0.12); 
    border-radius: 8px; 
    font-size: 13px; 
    font-weight: 600; 
    letter-spacing: 0.3px; 
    color: #ffffff; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.6); 
    white-space: nowrap;
    transition: all 0.3s ease;
}
.compact-node:hover {
    transform: translateY(-2px);
    border-color: var(--c-accent-cyan);
}
.compact-node .icon { font-size: 16px; }
.highlight-cyan { border-color: rgba(0,210,255,0.3); color: var(--c-accent-cyan); }
.highlight-green { border-color: rgba(39,201,63,0.3); color: #27c93f; }
.highlight-gold { border-color: rgba(255,189,46,0.3); color: #ffbd2e; }

/* Realistic 3D Pipe Styling */
.real-pipe-track {
    fill: none;
    stroke: rgba(0, 210, 255, 0.15);
    stroke-width: 2.2;
    stroke-linecap: round;
}
.real-pipe-pulse {
    fill: none;
    stroke: url(#pipeGrad);
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-dasharray: 6 18;
    animation: pipeLiquid 2s linear infinite;
}
@keyframes pipeLiquid {
    to { stroke-dashoffset: -24; }
}

.pipe-joint {
    fill: #030305;
    stroke: var(--c-accent-cyan);
    stroke-width: 0.8;
}
.pipe-joint-center {
    fill: var(--c-accent-cyan);
    stroke: #ffffff;
    stroke-width: 0.6;
}
.highlight-purple {
    border-color: rgba(138, 35, 137, 0.4) !important;
    color: #e077ff !important;
}


@media (max-width: 992px) {
    .scenario-cta-grid {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }
}


/* Scenario Engine Upgraded UI */
.chip-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--c-text-secondary);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 11px;
    font-family: var(--font-body);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}
.chip-btn:hover, .chip-btn.active {
    background: rgba(0, 210, 255, 0.15);
    border-color: var(--c-accent-cyan);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

.phase-card-animate {
    animation: phaseSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes phaseSlideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ==========================================================================
   Comprehensive Mobile & Tablet Responsiveness Rules
   ========================================================================== */
@media (max-width: 992px) {
    .split-layout {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }
    #philosophy-v2 {
        min-height: auto !important;
        padding: 60px 0 !important;
    }
    #transformation-cta {
        min-height: auto !important;
        padding: 60px 0 !important;
    }
    .scenario-cta-grid {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }
}

@media (max-width: 768px) {
    h1, .text-gradient-hero {
        font-size: clamp(28px, 7vw, 40px) !important;
    }
    h2 {
        font-size: clamp(24px, 6vw, 32px) !important;
    }
    .compact-node {
        font-size: 11px !important;
        padding: 8px 12px !important;
    }
    .scenario-engine-card {
        padding: 20px !important;
        min-height: auto !important;
    }
    .chip-btn {
        font-size: 10px !important;
        padding: 3px 10px !important;
    }
    .glass-panel {
        padding: 20px !important;
    }
}


/* Responsive 3D Pipeline Fix: Preserve 3-Column Desktop Flow on Mobile */
@media (max-width: 992px) {
    .bridge-viz-container {
        position: relative !important;
        width: 100% !important;
        height: 320px !important;
        min-height: 320px !important;
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 10px 0 !important;
        gap: 0 !important;
        margin-bottom: 24px !important;
    }
    .bridge-svg {
        display: block !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        z-index: 1 !important;
        opacity: 0.8 !important;
        pointer-events: none !important;
    }
    .bridge-col {
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-around !important;
        height: 100% !important;
        width: auto !important;
        z-index: 2 !important;
    }
    .compact-node {
        padding: 5px 8px !important;
        font-size: 9px !important;
        gap: 4px !important;
        border-radius: 5px !important;
        white-space: nowrap !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.6) !important;
    }
    .compact-node .icon {
        font-size: 11px !important;
    }
    .bridge-center-node {
        padding: 12px 14px !important;
        border-radius: 8px !important;
    }
    .bridge-center-node h3 {
        font-size: 16px !important;
        letter-spacing: 0px !important;
    }
}

@media (max-width: 576px) {
    .bridge-viz-container {
        height: 280px !important;
        min-height: 280px !important;
    }
    .compact-node {
        padding: 4px 6px !important;
        font-size: 8px !important;
        gap: 3px !important;
    }
    .compact-node .icon {
        font-size: 9.5px !important;
    }
    .bridge-center-node {
        padding: 8px 10px !important;
    }
    .bridge-center-node h3 {
        font-size: 13px !important;
    }
}