/* ===== OMNI GUARD - PREMIUM CSS ===== */

/* ---- ROOT VARIABLES ---- */
:root {
    --primary: #1a6cf5;
    --primary-dark: #0d3bba;
    --primary-light: #4a90f7;
    --accent: #00d4ff;
    --accent2: #7c3aed;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --info: #06b6d4;
    
    --bg-dark: #050c1a;
    --bg-card: #0a1628;
    --bg-card2: #0f1f38;
    --bg-glass: rgba(15, 31, 56, 0.85);
    
    --text-primary: #f0f4ff;
    --text-secondary: #8ba3cc;
    --text-muted: #4a6080;
    
    --border: rgba(30, 60, 114, 0.4);
    --border-glow: rgba(26, 108, 245, 0.3);
    
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(26, 108, 245, 0.2);
    
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font); }
img { max-width: 100%; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 20px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(26, 108, 245, 0.15);
    border: 1px solid rgba(26, 108, 245, 0.3);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.4rem 1.2rem;
    border-radius: 100px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 20px rgba(26, 108, 245, 0.4);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(26, 108, 245, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-glow);
    color: var(--text-primary);
}
.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(26, 108, 245, 0.1);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.4);
    color: white;
}
.btn-outline-white:hover {
    border-color: white;
    background: rgba(255,255,255,0.1);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}
.btn-danger:hover { transform: translateY(-2px); filter: brightness(1.1); }

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #b45309);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}
.btn-warning:hover { transform: translateY(-2px); filter: brightness(1.1); }

.btn-info {
    background: linear-gradient(135deg, #06b6d4, #0e7490);
    color: white;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}
.btn-info:hover { transform: translateY(-2px); filter: brightness(1.1); }

.btn-purple {
    background: linear-gradient(135deg, #8b5cf6, #4c1d95);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}
.btn-purple:hover { transform: translateY(-2px); filter: brightness(1.1); }

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; border-radius: 12px; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; border-radius: 8px; }
.btn-block { width: 100%; justify-content: center; }

/* ---- NAVBAR ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(5, 12, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.7rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 0.05em;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--accent2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
}

.logo-accent { color: var(--primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.06);
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: white !important;
    padding: 0.5rem 1.2rem !important;
    box-shadow: 0 4px 15px rgba(26, 108, 245, 0.4);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 5px;
}
.nav-hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 2rem 4rem;
    background: radial-gradient(ellipse at 30% 50%, rgba(26, 108, 245, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                var(--bg-dark);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(26, 108, 245, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 108, 245, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(26, 108, 245, 0.15);
    border: 1px solid rgba(26, 108, 245, 0.3);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

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

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-item { text-align: center; }
.stat-num {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}
.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Hero Visual - Panel Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease 0.2s both;
    position: relative;
    z-index: 2;
}

.panel-mockup {
    position: relative;
    width: 320px;
}

.panel-screen {
    background: linear-gradient(180deg, #0a1628 0%, #050c1a 100%);
    border: 2px solid rgba(26, 108, 245, 0.4);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 
        0 0 60px rgba(26, 108, 245, 0.15),
        0 40px 80px rgba(0,0,0,0.5),
        inset 0 1px 0 rgba(255,255,255,0.05);
    position: relative;
    z-index: 2;
}

.panel-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.panel-brand {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--primary);
}

.panel-home-status {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.panel-mode {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.6rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}

.panel-mode.active-mode {
    background: rgba(26, 108, 245, 0.2);
    border-color: rgba(26, 108, 245, 0.5);
    color: var(--accent);
}

.panel-sensors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.sensor-tile {
    background: rgba(255,255,255,0.03);
    border-radius: 10px;
    padding: 0.75rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.sensor-tile i {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
}

.sensor-tile span {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.sensor-tile small {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.sensor-tile.safe { border-color: rgba(16, 185, 129, 0.3); }
.sensor-tile.safe i { color: #10b981; }
.sensor-tile.alert { border-color: rgba(239, 68, 68, 0.5); background: rgba(239, 68, 68, 0.1); }
.sensor-tile.alert i { color: var(--danger); }
.sensor-tile.warning { border-color: rgba(245, 158, 11, 0.5); background: rgba(245, 158, 11, 0.08); }
.sensor-tile.warning i { color: var(--warning); }

.panel-footer-bar {
    font-size: 0.72rem;
    color: #10b981;
    text-align: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.panel-glow {
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(26,108,245,0.3), rgba(0,212,255,0.1), rgba(124,58,237,0.2));
    z-index: 1;
    filter: blur(20px);
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
    animation: bounce 2s ease-in-out infinite;
    z-index: 2;
}

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

/* ---- VALUE BAR ---- */
.value-bar {
    background: rgba(10, 22, 40, 0.8);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2rem 0;
}

.value-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem 3rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.value-item i {
    color: var(--primary);
    font-size: 1rem;
}

/* ---- PRODUCTS ---- */
.products-section {
    background: var(--bg-dark);
}

.product-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.product-card:hover::before { opacity: 1; }

.product-card.featured {
    border-color: rgba(26, 108, 245, 0.4);
    background: linear-gradient(135deg, var(--bg-card), #0d1f40);
}

.product-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: linear-gradient(135deg, var(--primary), var(--accent2));
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.product-info { flex: 1; min-width: 0; }

.product-info h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.product-tagline {
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1.25rem;
}

.product-features li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.product-features li i {
    color: var(--success);
    font-size: 0.7rem;
    flex-shrink: 0;
}

.product-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.product-price { display: flex; flex-direction: column; }
.price-label { font-size: 0.7rem; color: var(--text-muted); }
.price-value { font-size: 1.2rem; font-weight: 800; color: var(--text-primary); }
.price-usd { font-size: 0.72rem; color: var(--text-muted); }

/* ---- SOLUTIONS ---- */
.solutions-section {
    background: linear-gradient(180deg, var(--bg-dark), var(--bg-card2) 50%, var(--bg-dark));
}

.solutions-tabs {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.tab-buttons {
    display: flex;
    overflow-x: auto;
    border-bottom: 1px solid var(--border);
    scrollbar-width: none;
}
.tab-buttons::-webkit-scrollbar { display: none; }

.tab-btn {
    padding: 1.1rem 1.75rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover { color: var(--text-secondary); background: rgba(255,255,255,0.03); }

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(26, 108, 245, 0.06);
}

.tab-content { display: none; padding: 2.5rem; }
.tab-content.active { display: block; }

.solution-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.solution-timeline h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent2));
}

.timeline-item {
    display: flex;
    gap: 1rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    border: 2px solid;
}

.timeline-item.trigger .timeline-icon {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.timeline-item.action .timeline-icon {
    background: rgba(26, 108, 245, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

.timeline-item.result .timeline-icon {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
    color: var(--success);
}

.timeline-body h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.timeline-body p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.timeline-time {
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
    display: block;
}

/* Wave Visualization */
.wave-viz, .gas-viz {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.wave-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#waveCanvas, #gasCanvas {
    width: 100%;
    height: auto;
    max-height: 160px;
    border-radius: 8px;
    background: rgba(5, 12, 26, 0.8);
}

.wave-legend {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0.75rem 0;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.wave-legend span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.wave-legend span span {
    width: 16px;
    height: 3px;
    border-radius: 2px;
    display: inline-block;
}

.legend-p span { background: #f59e0b; }
.legend-s span { background: #ef4444; }
.legend-action span { background: #10b981; }

.solution-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.sol-stat {
    background: rgba(26, 108, 245, 0.08);
    border: 1px solid rgba(26, 108, 245, 0.2);
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
}

.sol-num {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.sol-stat span:last-child {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ---- SIMULATION ---- */
.simulation-section {
    background: var(--bg-dark);
}

.sim-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.sim-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sim-house {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.sim-house-header {
    background: linear-gradient(135deg, var(--bg-card2), var(--bg-card));
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    font-weight: 600;
}

.sim-mode-display {
    font-size: 0.75rem;
    background: rgba(26, 108, 245, 0.2);
    color: var(--primary);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    font-weight: 600;
}

.sim-house-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
}

.room {
    background: var(--bg-card);
    padding: 1.25rem;
    min-height: 100px;
    position: relative;
    transition: var(--transition);
}

.room.alarming {
    background: rgba(239, 68, 68, 0.15) !important;
    animation: roomAlarm 0.5s ease-in-out infinite alternate;
}

.room.warning-state {
    background: rgba(245, 158, 11, 0.1) !important;
}

@keyframes roomAlarm {
    from { background: rgba(239, 68, 68, 0.1); }
    to { background: rgba(239, 68, 68, 0.25); }
}

.room-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.75rem;
}

.room-sensors {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.room-sensor {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition);
    cursor: default;
}

.room-sensor.active {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: var(--danger);
    animation: sensorPulse 1s ease-in-out infinite;
}

.room-sensor.triggered {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--warning);
    color: var(--warning);
}

@keyframes sensorPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }
    50% { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}

.sim-utilities {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border-top: 1px solid var(--border);
}

.utility-item {
    background: var(--bg-card);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.utility-item i { font-size: 1rem; color: var(--text-muted); }

.util-status {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.util-status.on {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.util-status.off {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* Sim Log */
.sim-log {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    flex: 1;
    min-height: 160px;
}

.sim-log-header {
    background: rgba(255,255,255,0.03);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sim-log-body {
    padding: 0.75rem;
    max-height: 160px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.log-entry {
    font-size: 0.78rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.log-entry.info { background: rgba(26, 108, 245, 0.1); color: var(--primary); }
.log-entry.danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.log-entry.warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.log-entry.success { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.log-entry::before { content: '▶'; font-size: 0.6rem; flex-shrink: 0; }

/* Scenario Cards */
.sim-scenarios { }
.sim-scenarios h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.scenario-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.scenario-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition);
}

.scenario-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
}

.scenario-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 0.75rem;
}

.earthquake-card .scenario-icon { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.gas-card .scenario-icon { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.fire-card .scenario-icon { background: rgba(239, 68, 68, 0.15); color: #f97316; }
.flood-card .scenario-icon { background: rgba(6, 182, 212, 0.15); color: var(--info); }
.intruder-card .scenario-icon { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.reset-card .scenario-icon { background: rgba(100, 116, 139, 0.15); color: #64748b; }

.scenario-card h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 0.35rem; }
.scenario-card p { font-size: 0.72rem; color: var(--text-muted); line-height: 1.4; margin-bottom: 0.75rem; }

/* Automation Modes */
.automation-modes {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.automation-modes h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.mode-card {
    background: rgba(255,255,255,0.03);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.mode-card:hover {
    border-color: var(--border-glow);
    background: rgba(26, 108, 245, 0.06);
}

.mode-card.active {
    border-color: var(--primary);
    background: rgba(26, 108, 245, 0.12);
}

.mode-card i {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.mode-card.active i, .mode-card:hover i { color: var(--primary); }

.mode-card span {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.mode-card p {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ---- ARCHITECTURE ---- */
.architecture-section {
    background: linear-gradient(180deg, var(--bg-dark), #06101e);
}

.architecture-diagram {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
}

.arch-layer {
    border-radius: var(--radius);
    padding: 1.5rem 2rem;
    border: 1px solid;
}

.cloud-layer {
    border-color: rgba(6, 182, 212, 0.3);
    background: rgba(6, 182, 212, 0.05);
}

.local-layer {
    border-color: rgba(26, 108, 245, 0.4);
    background: rgba(26, 108, 245, 0.08);
}

.sensor-layer {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.05);
}

.arch-layer-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.cloud-layer .arch-layer-title { color: var(--info); }
.local-layer .arch-layer-title { color: var(--primary); }
.sensor-layer .arch-layer-title { color: var(--success); }

.arch-nodes {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.arch-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    min-width: 90px;
    text-align: center;
    transition: var(--transition);
}

.arch-node:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.arch-node.main-node {
    border-color: var(--primary);
    background: rgba(26, 108, 245, 0.1);
}

.arch-node i { font-size: 1.1rem; color: var(--text-muted); }
.arch-node.main-node i { color: var(--primary); }
.arch-node.sensor i { font-size: 0.9rem; }

.arch-node span {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.arch-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 0;
    gap: 0.25rem;
}

.arch-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    position: relative;
}

.arch-line::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: -4px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid var(--accent);
}

.arch-connector span {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.tech-specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.spec-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.spec-card > i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.spec-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.spec-card ul {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.spec-card ul li {
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.spec-card ul li:last-child { border-bottom: none; }

/* ---- USE CASES ---- */
.usecases-section {
    background: var(--bg-dark);
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.usecase-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    position: relative;
    transition: var(--transition);
}

.usecase-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.usecase-card.b2c { border-top: 3px solid var(--primary); }
.usecase-card.b2b { border-top: 3px solid var(--accent2); }
.usecase-card.b2g { border-top: 3px solid var(--success); }

.usecase-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.b2c .usecase-icon { background: rgba(26, 108, 245, 0.15); color: var(--primary); }
.b2b .usecase-icon { background: rgba(124, 58, 237, 0.15); color: var(--accent2); }
.b2g .usecase-icon { background: rgba(16, 185, 129, 0.15); color: var(--success); }

.usecase-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.usecase-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.usecase-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 1.25rem; }

.usecase-card ul { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.usecase-card ul li { font-size: 0.83rem; color: var(--text-secondary); display: flex; align-items: center; gap: 0.5rem; }
.usecase-card ul li i { color: var(--success); font-size: 0.7rem; }

/* Comparison Table */
.comparison-section { }
.comparison-section h3 {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

.comparison-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.comparison-table th {
    background: var(--bg-card2);
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.comparison-table th.omni-col {
    background: rgba(26, 108, 245, 0.15);
    color: var(--primary);
    text-align: center;
}

.comparison-table th i { margin-right: 0.4rem; }

.comparison-table td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text-secondary);
}

.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }

.comparison-table td.omni-col {
    background: rgba(26, 108, 245, 0.05);
    text-align: center;
}

.comparison-table td:not(:first-child):not(.omni-col) { text-align: center; }

.yes { color: var(--success) !important; font-size: 1rem; }
.no { color: var(--danger) !important; font-size: 1rem; }
.partial { color: var(--warning) !important; font-size: 1rem; }

/* ---- PRICING ---- */
.pricing-section {
    background: linear-gradient(180deg, var(--bg-dark), var(--bg-card2));
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover { transform: translateY(-5px); }

.pricing-card.featured-price {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--bg-card), #0d1f40);
    box-shadow: 0 0 40px rgba(26, 108, 245, 0.2);
    transform: scale(1.02);
}

.pricing-card.featured-price:hover { transform: scale(1.02) translateY(-5px); }

.pricing-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent2));
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.3rem 1.25rem;
    border-radius: 0 0 10px 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pricing-header { text-align: center; margin-bottom: 1.5rem; }

.pricing-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    background: rgba(26, 108, 245, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    margin: 0 auto 1rem;
}

.pricing-header h3 { font-size: 1.2rem; font-weight: 700; }
.pricing-header p { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.3rem; }

.pricing-price {
    text-align: center;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.price-main {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-primary);
}

.price-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    display: block;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.pricing-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li i { color: var(--success); font-size: 0.75rem; flex-shrink: 0; }

.pricing-note {
    background: rgba(26, 108, 245, 0.08);
    border: 1px solid rgba(26, 108, 245, 0.2);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.83rem;
    color: var(--text-secondary);
}

.pricing-note i { color: var(--primary); flex-shrink: 0; margin-top: 0.1rem; }

/* ---- CTA BANNER ---- */
.cta-banner {
    background: linear-gradient(135deg, #0d3bba 0%, var(--primary) 50%, var(--accent2) 100%);
    padding: 5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
                      radial-gradient(circle at 80% 50%, rgba(255,255,255,0.06) 0%, transparent 50%);
}

.cta-content { position: relative; z-index: 2; }
.cta-content h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900; margin-bottom: 1rem; }
.cta-content p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 2.5rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---- FAQ ---- */
.faq-section { background: var(--bg-dark); }

.faq-list {
    max-width: 800px;
    margin: 50 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover { border-color: var(--border-glow); }
.faq-item.open { border-color: var(--primary); }

.faq-question {
    width: 50%;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-question i { color: var(--primary); flex-shrink: 0; transition: var(--transition); font-size: 0.85rem; }
.faq-item.open .faq-question i { transform: rotate(180deg); }

.faq-answer {
    display: none;
    padding: 0 1.5rem 1.25rem;
}

.faq-item.open .faq-answer { display: block; }

.faq-answer p {
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---- CONTACT ---- */
.contact-section {
    background: linear-gradient(180deg, var(--bg-dark), var(--bg-card2));
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
}

.contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

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

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0; }

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: var(--font);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    width: 100%;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(26, 108, 245, 0.05);
    box-shadow: 0 0 0 3px rgba(26, 108, 245, 0.15);
}

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

.form-group select option { background: var(--bg-card2); }

.form-group textarea { resize: vertical; min-height: 100px; }

.form-check {
    flex-direction: row !important;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 0.5rem 0 1.25rem;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--primary);
}

.form-check label {
    font-size: 0.78rem;
    color: var(--text-muted);
    cursor: pointer;
}

.form-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #10b981;
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    height: fit-content;
}

.contact-info-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-reasons { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-reason {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.contact-reason > i {
    color: var(--success);
    font-size: 1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.contact-reason strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.contact-reason p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---- FOOTER ---- */
.footer {
    background: #030810;
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-logo i {
    color: var(--primary);
    font-size: 1.3rem;
}

.footer-logo span span { color: var(--primary); }

.footer-brand p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.footer-socials {
    display: flex;
    gap: 0.75rem;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    background: rgba(26, 108, 245, 0.2);
    border-color: var(--primary);
    color: var(--primary);
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
}

.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-links ul li a {
    font-size: 0.83rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links ul li a:hover { color: var(--primary); padding-left: 4px; }

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ---- MODAL ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.open { display: flex; animation: fadeIn 0.3s ease; }

.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover { background: rgba(239, 68, 68, 0.2); color: var(--danger); }

.modal-content { padding: 2.5rem; }

.modal-product-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-product-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
}

.modal-product-header h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.3rem; }
.modal-product-header p { font-size: 0.85rem; color: var(--text-secondary); }

.modal-section { margin-bottom: 1.75rem; }
.modal-section h3 { font-size: 0.9rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.modal-section p { font-size: 0.87rem; color: var(--text-secondary); line-height: 1.7; }

.modal-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.modal-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.83rem;
    color: var(--text-secondary);
    padding: 0.4rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.03);
}

.modal-feature-item i { color: var(--success); font-size: 0.75rem; flex-shrink: 0; }

/* ---- ANIMATIONS ---- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- PARTICLE ---- */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(26, 108, 245, 0.6);
    animation: floatParticle linear infinite;
    pointer-events: none;
}

@keyframes floatParticle {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 0.5; }
    100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* ---- PRODUCT IMAGES ---- */
.product-card {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: hidden;
}

.product-img-wrap {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-card2);
    flex-shrink: 0;
}

.product-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
    display: block;
}

.product-card:hover .product-img-wrap img {
    transform: scale(1.06);
}

.product-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,12,26,0) 30%, rgba(5,12,26,0.85) 100%);
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

.product-img-overlay i {
    font-size: 1.4rem;
    color: var(--clr, var(--primary));
    filter: drop-shadow(0 0 8px currentColor);
}

.product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-footer {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.product-footer .btn { flex: 1; justify-content: center; }

/* ---- SIMULATION TEASER ---- */
.simulation-teaser-section {
    background: linear-gradient(180deg, var(--bg-dark), var(--bg-card2));
}

.sim-teaser-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.sim-teaser-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.sim-teaser-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    transition: var(--transition);
    opacity: 0;
}

.sim-teaser-card:hover::before { opacity: 1; }
.sim-teaser-card.earthquake-card::before { background: var(--danger); }
.sim-teaser-card.gas-card::before { background: var(--warning); }
.sim-teaser-card.fire-card::before { background: #f97316; }
.sim-teaser-card.flood-card::before { background: var(--info); }
.sim-teaser-card.intruder-card::before { background: #8b5cf6; }
.sim-teaser-card.full-sim-card::before { background: linear-gradient(90deg, var(--primary), var(--accent2)); }

.sim-teaser-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.sim-teaser-card.full-sim-card {
    border-color: rgba(26, 108, 245, 0.3);
    background: linear-gradient(135deg, var(--bg-card), #0d1f40);
}

.sim-teaser-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 0.25rem;
}

.earthquake-card .sim-teaser-icon { background: rgba(239,68,68,0.15); color: var(--danger); }
.gas-card .sim-teaser-icon { background: rgba(245,158,11,0.15); color: var(--warning); }
.fire-card .sim-teaser-icon { background: rgba(249,115,22,0.15); color: #f97316; }
.flood-card .sim-teaser-icon { background: rgba(6,182,212,0.15); color: var(--info); }
.intruder-card .sim-teaser-icon { background: rgba(139,92,246,0.15); color: #8b5cf6; }
.full-sim-card .sim-teaser-icon { background: rgba(26,108,245,0.15); color: var(--primary); }

.sim-teaser-card h3 { font-size: 1.05rem; font-weight: 700; }
.sim-teaser-card p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; flex: 1; }

.sim-teaser-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: var(--transition);
}

.sim-teaser-card:hover .sim-teaser-btn {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    border-color: var(--border-glow);
}

.sim-teaser-btn-primary {
    background: rgba(26,108,245,0.15) !important;
    color: var(--primary) !important;
    border-color: rgba(26,108,245,0.3) !important;
}

.full-sim-card:hover .sim-teaser-btn-primary {
    background: rgba(26,108,245,0.3) !important;
    border-color: var(--primary) !important;
}

/* ---- FULLSCREEN SIMULATION MODAL ---- */
.sim-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 14, 0.97);
    z-index: 3000;
    display: none;
    flex-direction: column;
    animation: fadeIn 0.25s ease;
}

.sim-modal-overlay.open {
    display: flex;
}

.sim-modal-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.sim-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(10, 22, 40, 0.95);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sim-modal-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
}

.sim-modal-title i { color: var(--primary); font-size: 1.1rem; }

.sim-modal-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sim-modal-status {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--success);
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.3rem 1rem;
    border-radius: 100px;
}

.sim-modal-status.alert-status {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    animation: statusPulse 1s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.sim-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.sim-modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: var(--danger);
}

.sim-modal-body {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 0;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.sim-modal-left {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 1.25rem;
    gap: 1rem;
}

.sim-modal-right {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 1.25rem;
    gap: 1.25rem;
}

.sim-section-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sim-section-label i { color: var(--primary); }

.sim-scenarios-wrap .scenario-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.sim-modes-wrap .modes-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.sim-modes-wrap .mode-card {
    padding: 1rem 0.75rem;
}

.sim-modes-wrap .mode-card i { font-size: 1.4rem; }
.sim-modes-wrap .mode-card span { font-size: 0.82rem; }
.sim-modes-wrap .mode-card p { font-size: 0.68rem; }

.sim-charts-wrap .sim-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.sim-charts-wrap .wave-viz,
.sim-charts-wrap .gas-viz {
    margin-bottom: 0;
}

/* Responsive sim modal */
@media (max-width: 900px) {
    .sim-modal-body {
        grid-template-columns: 1fr;
        overflow-y: auto;
    }
    .sim-modal-left { border-right: none; border-bottom: 1px solid var(--border); }
    .sim-scenarios-wrap .scenario-cards { grid-template-columns: repeat(2, 1fr); }
    .sim-charts-wrap .sim-charts-grid { grid-template-columns: 1fr; }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .hero-stats { justify-content: center; }
    .hero-cta-group { justify-content: center; }
    .hero-visual { justify-content: center; }
    .hero-badge { display: inline-flex; }
    
    .solution-detail { grid-template-columns: 1fr; }
    .tech-specs-grid { grid-template-columns: repeat(2, 1fr); }
    .usecases-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto 2rem; }
    .pricing-card.featured-price { transform: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .modes-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .sim-container { grid-template-columns: 1fr; }
    .scenario-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .section { padding: 4rem 0; }
    
    .nav-links { 
        display: none; 
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(5, 12, 26, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        z-index: 999;
    }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: flex; z-index: 1000; }
    
    .products-grid { grid-template-columns: 1fr; }
    .sim-teaser-grid { grid-template-columns: 1fr 1fr; }
    
    .usecases-grid { grid-template-columns: 1fr; }
    .comparison-table { font-size: 0.78rem; }
    .comparison-table th, .comparison-table td { padding: 0.75rem; }
    
    .tech-specs-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    
    .contact-form .form-row { grid-template-columns: 1fr; }
    .scenario-cards { grid-template-columns: 1fr 1fr; }
    
    .sim-house-body { grid-template-columns: 1fr 1fr; }
    .tab-btn { padding: 0.875rem 1rem; font-size: 0.82rem; }
    
    .arch-nodes { gap: 0.75rem; }
    .arch-node { min-width: 75px; padding: 0.6rem; }
    .arch-node span { font-size: 0.65rem; white-space: normal; }
    
    .hero-stats { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .stat-divider { display: none; }
    
    .modal-features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .scenario-cards { grid-template-columns: 1fr 1fr; }
    .modes-grid { grid-template-columns: 1fr 1fr; }
    .tech-specs-grid { grid-template-columns: 1fr; }
    .hero-cta-group { flex-direction: column; align-items: stretch; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .sim-teaser-grid { grid-template-columns: 1fr; }
    .sim-modal-controls .sim-modal-status { display: none; }
}