/* ==========================================================================
   RENTALSYS - Premium Light Theme (Dunkles Lila / Deep Purple Accent)
   Cinematic Blur-Scroll Animations, 3D Vector Space Visualizer & Password Gate
   ========================================================================== */

:root {
    /* Light Theme Base */
    --bg-main: #faf8fc;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.92);
    --bg-muted: #f5f3ff;
    --bg-subtle: #ede9fe;
    
    /* Primary Accent: Dunkles Lila / Deep Purple */
    --accent-purple: #6b21a8;
    --accent-purple-dark: #581c87;
    --accent-purple-deep: #3b0764;
    --accent-purple-bright: #9333ea;
    --accent-purple-light: #a855f7;
    --accent-purple-soft: #c084fc;
    --accent-purple-bg: rgba(107, 33, 168, 0.08);
    --accent-purple-border: rgba(107, 33, 168, 0.22);
    
    /* Gradients */
    --gradient-purple: linear-gradient(135deg, #6b21a8 0%, #3b0764 100%);
    --gradient-purple-bright: linear-gradient(135deg, #9333ea 0%, #6b21a8 100%);
    --gradient-purple-soft: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    --gradient-hero: linear-gradient(180deg, #f5f3ff 0%, #faf8fc 100%);
    
    /* Text Colors */
    --text-main: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    
    /* Borders & Shadows */
    --border-color: #e2e8f0;
    --border-highlight: rgba(107, 33, 168, 0.35);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 45px rgba(107, 33, 168, 0.14);
    --shadow-purple: 0 8px 25px rgba(107, 33, 168, 0.32);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-body);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

body.nav-open, body.locked {
    overflow: hidden;
}

/* ==========================================================================
   PASSWORD GATE LOCK SCREEN OVERLAY
   ========================================================================== */

#passwordLockGate {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    background: radial-gradient(circle at 50% 30%, #1e1b2e, #090611);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    color: #ffffff;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#passwordLockGate.unlocked {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.lock-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(107, 33, 168, 0.3);
    animation: lockCardEntrance 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes lockCardEntrance {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-10px); }
    40%, 80% { transform: translateX(10px); }
}

.lock-card.shake {
    animation: shakeError 0.4s ease;
}

.lock-icon-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gradient-purple-bright);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem auto;
    box-shadow: var(--shadow-purple);
}

.lock-input-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.75rem;
}

.lock-input {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(168, 85, 247, 0.4);
    padding: 0.95rem 1.25rem;
    border-radius: var(--radius-md);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 1rem;
    text-align: center;
    letter-spacing: 0.1em;
    transition: all 0.2s ease;
}

.lock-input:focus {
    outline: none;
    border-color: var(--accent-purple-light);
    box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.25);
}

.lock-error-msg {
    color: #f87171;
    font-size: 0.85rem;
    font-weight: 600;
    min-height: 20px;
    margin-top: 0.5rem;
}

/* Scroll Progress Bar */
#scrollProgressBar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-purple-bright);
    width: 0%;
    z-index: 1003;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px rgba(147, 51, 234, 0.6);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(45px);
    filter: blur(10px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform, filter;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    filter: blur(10px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    filter: blur(10px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.88);
    filter: blur(8px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
                filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible {
    opacity: 1;
    transform: translate(0) scale(1);
    filter: blur(0px);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

@keyframes liveDotPulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(1.25); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.8; }
}

.animate-float { animation: float 4s ease-in-out infinite; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.text-gradient {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Header & Navbar */
header.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

header.navbar.scrolled {
    padding: 0.7rem 0;
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.96);
}

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

.brand-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; z-index: 1002; }
.brand-logo .logo-icon {
    width: 42px; height: 42px;
    background: var(--gradient-purple);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #ffffff; font-size: 1.3rem; font-weight: 800;
    box-shadow: var(--shadow-purple);
    transition: transform 0.3s ease;
}

.brand-logo:hover .logo-icon { transform: scale(1.08) rotate(4deg); }
.brand-logo .logo-text { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--text-main); letter-spacing: -0.03em; }
.brand-logo .logo-text span { color: var(--accent-purple); }

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-body); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: all 0.2s ease; position: relative; padding: 0.25rem 0; }
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent-purple); transition: width 0.3s ease; border-radius: 2px; }
.nav-links a:hover { color: var(--accent-purple-dark); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.nav-toggle {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; background: var(--bg-muted);
    border: 1px solid var(--border-color); border-radius: var(--radius-sm);
    cursor: pointer; z-index: 1002; padding: 8px;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--text-main); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.75rem 1.5rem; font-family: var(--font-heading); font-weight: 600; font-size: 0.95rem;
    border-radius: var(--radius-md); text-decoration: none; cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); border: none; position: relative; overflow: hidden; white-space: nowrap;
}
.btn-primary { background: var(--gradient-purple); color: #ffffff; box-shadow: var(--shadow-purple); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(107, 33, 168, 0.45); }
.btn-secondary { background: var(--bg-card); color: var(--text-main); border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); }
.btn-secondary:hover { background: var(--bg-muted); border-color: var(--accent-purple-border); color: var(--accent-purple-dark); transform: translateY(-2px); }

.badge {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 1rem;
    border-radius: 999px; font-size: 0.85rem; font-weight: 600;
    background: var(--accent-purple-bg); color: var(--accent-purple-dark);
    border: 1px solid var(--accent-purple-border); box-shadow: 0 2px 10px rgba(107, 33, 168, 0.1);
}
.badge-pulse { width: 8px; height: 8px; background-color: var(--accent-purple); border-radius: 50%; animation: liveDotPulse 1.5s infinite; }

/* Hero */
.hero { padding: 9.5rem 0 5rem 0; position: relative; background: var(--gradient-hero); border-bottom: 1px solid var(--border-color); overflow: hidden; }
#heroCanvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: center; }
.hero-content h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.15; margin: 1.25rem 0; }
.hero-content p { font-size: clamp(1rem, 2vw, 1.18rem); color: var(--text-body); margin-bottom: 2rem; max-width: 600px; }
.hero-cta { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; padding-top: 2rem; border-top: 1px solid var(--border-color); }
.stat-item h4 { font-size: clamp(1.5rem, 3vw, 2rem); color: var(--accent-purple-dark); margin-bottom: 0.2rem; font-weight: 800; }
.stat-item p { font-size: 0.85rem; color: var(--text-muted); margin: 0; font-weight: 500; }

/* Hero Mockup (Clean) */
.hero-visual { position: relative; }
.glass-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 1.75rem; box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.glass-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-purple-border); }

.dashboard-mockup { position: relative; border: 1px solid var(--border-color); overflow: hidden; }
.mockup-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 1rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--border-color); }
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dots span:nth-child(1) { background: #ff5f56; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #27c93f; }
.mockup-title { font-size: 0.85rem; color: var(--text-muted); font-family: var(--font-mono); }

.mockup-body { display: flex; flex-direction: column; gap: 1rem; }
.mockup-row { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1.1rem; background: var(--bg-muted); border-radius: var(--radius-md); border: 1px solid var(--border-color); transition: all 0.25s ease; }
.mockup-row:hover { transform: translateX(4px); border-color: var(--accent-purple-border); background: #ffffff; box-shadow: var(--shadow-md); }
.mockup-item-info { display: flex; align-items: center; gap: 0.85rem; }
.mockup-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-purple-bg); color: var(--accent-purple-dark); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }

.status-tag { padding: 0.3rem 0.75rem; border-radius: 6px; font-size: 0.78rem; font-weight: 700; display: inline-flex; align-items: center; gap: 0.35rem; white-space: nowrap; }
.status-available { background: #dcfce7; color: #15803d; }
.status-livechat { background: #faf5ff; color: var(--accent-purple-dark); border: 1px solid #f3e8ff; }
.status-vectorized { background: #f3e8ff; color: var(--accent-purple); }

.floating-badge { position: absolute; bottom: -25px; left: -25px; background: #ffffff; border: 1px solid var(--accent-purple-border); border-radius: var(--radius-md); padding: 1rem 1.25rem; display: flex; align-items: center; gap: 1rem; box-shadow: 0 15px 35px rgba(107, 33, 168, 0.2); z-index: 10; }
.floating-badge-top { position: absolute; top: -20px; right: -20px; background: #ffffff; border: 1px solid var(--accent-purple-border); border-radius: var(--radius-md); padding: 0.85rem 1.15rem; display: flex; align-items: center; gap: 0.85rem; box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1); z-index: 10; }

/* Sections */
.section { padding: 6rem 0; }
.section-header { text-align: center; max-width: 780px; margin: 0 auto 4rem auto; }
.section-header h2 { font-size: clamp(2rem, 4vw, 2.6rem); margin: 1rem 0; }
.section-header p { color: var(--text-muted); font-size: clamp(0.95rem, 2vw, 1.1rem); }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 2.25rem; transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; position: relative; box-shadow: var(--shadow-sm); overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient-purple); opacity: 0; transition: opacity 0.3s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-purple-border); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 58px; height: 58px; border-radius: var(--radius-md); background: var(--accent-purple-bg); color: var(--accent-purple-dark); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 1.5rem; transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease; }
.feature-card:hover .feature-icon { transform: scale(1.08); background: var(--accent-purple); color: #ffffff; box-shadow: var(--shadow-purple); }
.feature-card h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }
.feature-card p { color: var(--text-body); font-size: 0.95rem; line-height: 1.65; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.tag { font-size: 0.78rem; padding: 0.25rem 0.7rem; border-radius: 6px; background: var(--bg-muted); color: var(--accent-purple-dark); font-weight: 600; border: 1px solid var(--border-color); }

/* Demos */
.demo-section { background: var(--bg-muted); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.demo-tabs { display: flex; justify-content: center; gap: 0.75rem; margin-bottom: 3rem; flex-wrap: wrap; }
.tab-btn { padding: 0.85rem 1.6rem; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-body); font-family: var(--font-heading); font-weight: 600; cursor: pointer; transition: all 0.25s ease; box-shadow: var(--shadow-sm); }
.tab-btn:hover { border-color: var(--accent-purple); color: var(--accent-purple-dark); transform: translateY(-2px); }
.tab-btn.active { background: var(--gradient-purple); color: #ffffff; border-color: transparent; box-shadow: var(--shadow-purple); }
.demo-panel { display: none; }
.demo-panel.active { display: block; animation: slideInUp 0.5s ease forwards; }

/* Vectorization Showcase & 3D Vector Space */
.vector-wizard-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
}

.vector-step-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.vector-step-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--accent-purple-bg);
    color: var(--accent-purple-dark);
}

.vector-3d-wrapper {
    background: #090611;
    border: 1px solid var(--accent-purple-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    color: #f8fafc;
    box-shadow: 0 20px 50px rgba(107, 33, 168, 0.25);
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#vector3dCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    cursor: crosshair;
}

.vector-overlay-top {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 10, 28, 0.75);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.vector-overlay-bottom {
    position: relative;
    z-index: 2;
    background: rgba(15, 10, 28, 0.85);
    backdrop-filter: blur(12px);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(168, 85, 247, 0.3);
    margin-top: auto;
}

.preset-chip {
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.4);
    color: #e9d5ff;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-chip:hover {
    background: var(--accent-purple-bright);
    color: #ffffff;
}

/* Chat, Catalog, Calc */
.chat-window-wrapper { display: grid; grid-template-columns: 280px 1fr; gap: 1.5rem; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; height: 540px; }
.chat-sidebar { background: var(--bg-muted); border-right: 1px solid var(--border-color); padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.session-item { padding: 0.85rem; border-radius: var(--radius-md); background: #ffffff; border: 1px solid var(--border-color); cursor: pointer; transition: all 0.2s ease; }
.session-item:hover, .session-item.active { border-color: var(--accent-purple); box-shadow: var(--shadow-sm); background: #faf5ff; }
.chat-main { display: flex; flex-direction: column; }
.chat-header { background: #ffffff; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; justify-content: space-between; }
.chat-messages { flex: 1; padding: 1.5rem; overflow-y: auto; display: flex; flex-direction: column; gap: 1.25rem; background: #fafafa; }
.chat-msg { max-width: 78%; padding: 0.95rem 1.25rem; border-radius: var(--radius-md); font-size: 0.95rem; line-height: 1.5; box-shadow: var(--shadow-sm); position: relative; animation: slideInUp 0.3s ease forwards; }
.chat-msg.ai { background: #faf5ff; color: var(--accent-purple-dark); border: 1px solid #f3e8ff; align-self: flex-start; border-top-left-radius: 4px; }
.chat-msg.employee { background: #f5f3ff; color: #581c87; border: 1px solid #ddd6fe; align-self: flex-start; border-top-left-radius: 4px; }
.chat-msg.user { background: var(--accent-purple); color: #ffffff; align-self: flex-end; border-top-right-radius: 4px; }
.chat-input-area { padding: 1.25rem; background: #ffffff; border-top: 1px solid var(--border-color); display: flex; gap: 0.75rem; }

.catalog-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.search-input { background: #ffffff; border: 1px solid var(--border-color); padding: 0.85rem 1.25rem; border-radius: var(--radius-md); color: var(--text-main); font-family: var(--font-body); width: 340px; box-shadow: var(--shadow-sm); transition: all 0.2s ease; }
.search-input:focus { outline: none; border-color: var(--accent-purple); box-shadow: 0 0 0 4px rgba(107, 33, 168, 0.15); }
.filter-btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-chip { padding: 0.5rem 1.1rem; border-radius: 999px; background: #ffffff; border: 1px solid var(--border-color); color: var(--text-body); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; box-shadow: var(--shadow-sm); }
.filter-chip:hover, .filter-chip.active { background: var(--accent-purple); color: #ffffff; border-color: var(--accent-purple); }

.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.object-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; box-shadow: var(--shadow-sm); }
.object-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-purple-border); }
.object-thumb { height: 190px; background: var(--gradient-purple-soft); display: flex; align-items: center; justify-content: center; color: var(--accent-purple-dark); font-size: 3.5rem; position: relative; }
.object-body { padding: 1.5rem; }
.object-title { font-size: 1.15rem; margin-bottom: 0.5rem; }
.object-meta { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; display: flex; justify-content: space-between; }
.object-price { font-size: 1.35rem; font-weight: 800; color: var(--accent-purple-dark); margin-bottom: 1.25rem; }

.calc-container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
.calc-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.9rem; color: var(--text-main); font-weight: 600; }
.form-control { background: #ffffff; border: 1px solid var(--border-color); padding: 0.85rem 1rem; border-radius: var(--radius-sm); color: var(--text-main); font-family: var(--font-body); font-size: 0.95rem; }
.form-control:focus { outline: none; border-color: var(--accent-purple); }

.calc-summary { background: var(--bg-muted); border-radius: var(--radius-lg); padding: 1.75rem; border: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 1.15rem; }
.summary-row { display: flex; justify-content: space-between; font-size: 0.95rem; color: var(--text-body); }
.summary-row.total { font-size: 1.4rem; font-weight: 800; color: var(--accent-purple-dark); border-top: 2px dashed var(--border-color); padding-top: 1rem; }

.code-box { background: #0f172a; border: 1px solid #1e293b; border-radius: var(--radius-md); padding: 1.25rem; font-family: var(--font-mono); font-size: 0.85rem; color: #e9d5ff; overflow-x: auto; max-height: 420px; line-height: 1.6; }

footer { border-top: 1px solid var(--border-color); padding: 4rem 0 2rem 0; background: #0f172a; color: #f8fafc; }
footer h5, footer a, footer p { color: #cbd5e1; }
footer a:hover { color: #c084fc; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 3rem; margin-bottom: 3rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col a { text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; color: #64748b; font-size: 0.85rem; }

@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
    .arch-nodes-grid { grid-template-columns: repeat(2, 1fr); }
    .vector-wizard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 992px) {
    .nav-toggle { display: flex; }
    .nav-links { position: fixed; top: 0; right: -100%; width: 80%; max-width: 380px; height: 100vh; background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px); flex-direction: column; justify-content: center; align-items: center; gap: 2rem; transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15); z-index: 1001; }
    .nav-links.open { right: 0; }
    .nav-links a { font-size: 1.2rem; font-weight: 700; }
    .hero-grid { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .hero-content p { margin: 0 auto 2rem auto; }
    .hero-cta { justify-content: center; }
    .floating-badge { position: static; margin-top: 1rem; }
    .floating-badge-top { position: static; margin-bottom: 1rem; }
    .calc-container, .chat-window-wrapper { grid-template-columns: 1fr; }
    .chat-window-wrapper { height: auto; }
    .chat-messages { min-height: 320px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
    .section { padding: 4rem 0; }
    .features-grid, .catalog-grid, .footer-grid { grid-template-columns: 1fr; }
    .search-input { width: 100%; }
    .catalog-toolbar { flex-direction: column; align-items: stretch; }
    .hero-stats { grid-template-columns: 1fr; text-align: center; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}