:root {
    /* Ultra-Clean Premium Palette */
    --bg-base: #FAFAFA;      /* Subtle modern off-white */
    --bg-white: #FFFFFF;     /* Pure white for cards/sections */
    
    --accent: #0066FF;       /* Vivid clear blue */
    --accent-hover: #0052CC;
    --accent-light: rgba(0, 102, 255, 0.08);
    
    /* Text Colors */
    --text-heading: #111111; /* Near black for stark contrast */
    --text-body: #555555;    /* Premium medium gray */
    --text-muted: #888888;
    
    /* Neumorphic / Clean Borders & Shadows */
    --border-light: rgba(0, 0, 0, 0.06);
    --shadow-soft: 0 12px 36px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.02);
    --shadow-hover: 0 24px 48px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.03);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --radius-lg: 24px;
    --radius-md: 12px;
    --radius-pill: 999px;
    --transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
    font-family: var(--font-sans);
    color: var(--text-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em; /* Tight premium tracking */
}

a { text-decoration: none; color: var(--accent); transition: var(--transition); }
ul { list-style: none; }
p { margin-bottom: 1.25rem; font-size: 1.05rem; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.margin-top-base { margin-top: 1.5rem; }
.margin-top-large { margin-top: 4rem; }
.margin-top-small { margin-top: 1rem; }

/* Structural Backgrounds */
.bg-light { background-color: var(--bg-base); }
.bg-dark { background-color: var(--text-heading); color: var(--bg-white); }
.bg-white { background-color: var(--bg-white); }

/* Override explicit dark classes for the clean theme */
.text-white { color: var(--text-heading) !important; }
.text-white p, .bg-dark p { color: var(--text-body) !important; }
.text-white h1, .text-white h2, .bg-dark h2 { color: var(--text-heading) !important; }

/* Layout & Containers */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 2.5rem; }
.section { padding: 8rem 0; background-color: var(--bg-white); }
.section:nth-child(even) { background-color: var(--bg-base); }
.pt-section { padding-top: 8rem; }

.section-header { margin-bottom: 5rem; max-width: 650px; margin-left: auto; margin-right: auto; }
.section-title { font-size: 3.5rem; margin-bottom: 1.5rem; letter-spacing: -0.04em; }
.section-subtitle { font-size: 1.25rem; color: var(--text-muted); }

.split-layout { display: flex; align-items: center; gap: 6rem; }
.split-layout.reverse { flex-direction: row-reverse; }
.split-content { flex: 1; }
.split-image { flex: 1; position: relative; }
.split-image img {
    width: 100%; height: auto; display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.grid-layout { display: grid; gap: 2.5rem; }
.five-col { grid-template-columns: repeat(5, 1fr); }
.four-col { grid-template-columns: repeat(4, 1fr); }
.three-col { grid-template-columns: repeat(3, 1fr); }
.two-col { grid-template-columns: repeat(2, 1fr); }

/* Buttons & Badges (Stark, Clean) */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.85rem 2rem; border-radius: var(--radius-pill);
    font-weight: 600; font-size: 1rem; cursor: pointer;
    transition: var(--transition); text-align: center; border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent); color: #fff !important;
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.25); border: none;
}
.btn-primary:hover {
    background-color: var(--accent-hover); transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.btn-outline, .btn-outline-light {
    background-color: transparent; color: var(--text-heading) !important;
    border: 1px solid var(--border-light);
}
.btn-outline:hover, .btn-outline-light:hover {
    border-color: var(--text-heading); transform: translateY(-2px);
}

.btn-large { padding: 1.1rem 2.8rem; font-size: 1.1rem; }
.btn-full { width: 100%; }

.badge, .badge-light {
    display: inline-block; padding: 0.5rem 1.25rem;
    background-color: var(--accent-light); color: var(--accent);
    border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 700;
    margin-bottom: 2rem; letter-spacing: 0.05em; text-transform: uppercase;
}

/* Navigation - Ultra Clean Floating Pill */
nav {
    position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
    width: 100%; max-width: calc(var(--container-width) - 4rem);
    z-index: 1000; background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light); border-radius: var(--radius-pill);
    box-shadow: 0 4px 24px rgba(0,0,0,0.04); transition: var(--transition);
}
nav.scrolled {
    max-width: 100%; top: 0; border-radius: 0; border-left: none; border-right: none; border-top: none;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 75px; padding: 0 2.5rem; }
.logo a { font-size: 1.5rem; font-weight: 800; color: var(--text-heading); letter-spacing: -0.05em; }
.nav-links { display: flex; gap: 3rem; }
.nav-links a { color: var(--text-body); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text-heading); }
.mobile-menu-btn { display: none; cursor: pointer; flex-direction: column; gap: 6px; }
.mobile-menu-btn span { width: 24px; height: 2px; background-color: var(--text-heading); transition: var(--transition); border-radius: 2px; }

/* Hero Slider Section - Pristine & Cinematic */
.hero-slider-section {
    height: 100vh; min-height: 800px; position: relative; overflow: hidden; padding-top: 0;
    background-color: var(--bg-base);
}
.slider-container { position: relative; width: 100%; height: 100%; }
.slide {
    position: absolute; inset: 0; opacity: 0;
    background-size: cover; background-position: center;
    transition: opacity 1.5s cubic-bezier(0.25, 1, 0.5, 1), transform 1.5s cubic-bezier(0.25, 1, 0.5, 1);
    transform: scale(1.02); display: flex; align-items: center; z-index: 1;
}
.slide::after {
    /* Crystal clear soft gradient overlay to ensure text pops cleanly without blur */
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to right, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 40%, transparent 100%);
    z-index: 1;
}
.slide.active { opacity: 1; transform: scale(1); z-index: 2; }

.slider-caption {
    position: relative; z-index: 3;
    padding: 0; max-width: 650px;
    transform: translateY(20px); opacity: 0;
}
.slide.active .slider-caption { animation: captionSlideUp 1s cubic-bezier(0.25, 1, 0.5, 1) 0.3s forwards; }
@keyframes captionSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-slider-section h1 {
    font-size: 4.5rem; line-height: 1.05; margin-bottom: 2rem;
    color: var(--text-heading);
}
.hero-slider-section p {
    font-size: 1.35rem; color: var(--text-body); margin-bottom: 3rem; max-width: 550px;
}
.hero-actions { display: flex; gap: 1.5rem; }

/* Slider Dots */
.slider-controls { position: absolute; bottom: 3rem; left: 0; width: 100%; display: flex; justify-content: center; z-index: 10; }
.slider-dots { display: flex; gap: 1rem; }
.slider-dot {
    width: 60px; height: 4px; border-radius: 2px; border: none;
    background: rgba(0,0,0,0.1); cursor: pointer; transition: var(--transition);
}
.slider-dot.active { background: var(--text-heading); }

/* Trust Ribbon (Pristine Bar) */
.trust-ribbon {
    padding: 2.5rem 0; background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-light); position: relative; z-index: 10;
}
.trust-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.trust-item {
    display: flex; align-items: center; gap: 1rem;
    font-weight: 600; color: var(--text-heading); font-size: 1.05rem;
}
.trust-icon { font-size: 1.5rem; opacity: 0.8; }

/* Feature List */
.feature-list li { margin-bottom: 2rem; position: relative; padding-left: 2.5rem; }
.feature-list.dark-mode li { text-align: left; }
.feature-list li::before {
    content: ''; position: absolute; left: 0; top: 6px;
    width: 8px; height: 8px; border-radius: 50%; background-color: var(--accent);
}
.feature-list strong { color: var(--text-heading); display: block; margin-bottom: 0.5rem; font-size: 1.15rem; }

/* Clean Solid Cards */
.card, .security-card, .form-container {
    background: var(--bg-white);
    border-radius: var(--radius-lg); padding: 3rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.service-card { padding: 3.5rem 2.5rem; text-align: left; }
.service-card .card-icon { font-size: 2.5rem; margin-bottom: 2rem; opacity: 0.9; }
.service-card h3 { font-size: 1.35rem; margin-bottom: 1rem; }
.case-study-card { padding: 3rem; }
.case-study-tag {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; letter-spacing: 0.05em;
}
.case-study-content h4 { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; margin-top: 1.5rem; }
.case-study-card p { font-size: 1.05rem; line-height: 1.6; }

/* Team Cards & Portraits */
.team-card {
    background: var(--bg-white); border-radius: var(--radius-lg); padding: 0;
    box-shadow: var(--shadow-soft); border: 1px solid var(--border-light);
    transition: var(--transition); text-align: center; overflow: hidden;
}
.team-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: var(--border-light); }
.team-photo {
    width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover;
    border-bottom: 1px solid var(--border-light); background-color: var(--bg-base);
}
.team-card-info { padding: 1.5rem 1rem; }

/* Security Cards */
.security-card ul { margin-top: 2rem; }
.security-card li { margin-bottom: 1rem; color: var(--text-body); font-weight: 500; display: flex; align-items: center; }
.security-card li::before { content: '✓'; color: var(--accent); font-weight: bold; margin-right: 0.75rem; }

/* Forms - Minimalist Deep Contrast */
.form-layout { align-items: flex-start; }
.footer-info { flex: 1; padding-right: 4rem; }
.form-layout .form-container { flex: 1.8; width: 100%; padding: 4rem; background: var(--bg-white); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.form-group { margin-bottom: 2rem; }
.form-group label { display: block; margin-bottom: 0.75rem; font-weight: 600; font-size: 0.9rem; color: var(--text-heading); }
.form-group input, .form-group textarea {
    width: 100%; padding: 1.25rem 1.5rem; background: var(--bg-base);
    border: 1px solid var(--border-light); border-radius: var(--radius-md);
    font-family: var(--font-sans); font-size: 1rem; color: var(--text-heading); transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--accent); background: var(--bg-white);
    box-shadow: 0 0 0 4px var(--accent-light);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }

.form-status { margin-top: 1.5rem; font-weight: 600; text-align: center; border-radius: var(--radius-md); padding: 1.25rem; display: none; }
.form-status.success { display: block; background: #E6F4EA; color: #1E8E3E; }
.form-status.error { display: block; background: #FCE8E6; color: #D93025; }

/* Knoq Placeholder Box Override for Clean Theme */
.placeholder-banner {
    background: var(--bg-base) !important;
    border: 2px dashed #CBD5E1 !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: none !important;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.placeholder-banner h3 { color: var(--text-heading) !important; }
.placeholder-banner p { color: var(--text-muted) !important; }

/* Override overrides */
#products { background-color: var(--bg-base) !important; }
#products .section-header p, #products .split-content p { color: var(--text-body) !important; }
#products h2, #products h3 { color: var(--text-heading) !important; }
#products .badge-light { background-color: var(--accent-light); color: var(--accent); border: none; }

/* Footer Section */
.footer { border-top: 1px solid var(--border-light); background-color: var(--bg-base); }
.footer-cta h2 { font-size: 3rem; color: var(--text-heading); margin-bottom: 1.5rem; }
.footer-bottom { margin-top: 6rem; padding: 2.5rem 0; border-top: 1px solid var(--border-light); text-align: center; color: var(--text-muted); font-size: 0.95rem; }
.contact-info a { color: var(--accent); font-weight: 600; }

/* Animations */
.slide-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.slide-up.visible { opacity: 1; transform: translateY(0); }
.slide-left { opacity: 0; transform: translateX(30px); transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.slide-left.visible { opacity: 1; transform: translateX(0); }
.slide-right { opacity: 0; transform: translateX(-30px); transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.slide-right.visible { opacity: 1; transform: translateX(0); }

/* Responsive Styles */
@media (max-width: 992px) {
    .h1, .hero-slider-section h1 { font-size: 3.5rem; }
    .split-layout, .split-layout.reverse { flex-direction: column; gap: 4rem; text-align: center; }
    .footer-info { padding-right: 0; text-align: center; }
    .form-layout .form-container { width: 100%; padding: 2.5rem; }
    .slide::after { background: linear-gradient(to top, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 60%, transparent 100%); }
    .slider-caption { transform: translateY(0); margin-top: auto; padding: 2rem; background: rgba(255,255,255,0.85); backdrop-filter: blur(20px); border-radius: var(--radius-lg); }
    .feature-list li { text-align: left; }
    .five-col, .four-col, .three-col { grid-template-columns: repeat(2, 1fr); }
    nav { width: 100%; top: 0; border-radius: 0; border-left: none; border-right: none; border-top: none; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 768px) {
    .h1, .hero-slider-section h1 { font-size: 2.75rem; }
    .nav-links {
        position: fixed; top: 75px; left: -100%; width: 100%; height: calc(100vh - 75px);
        background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px);
        flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem;
        transition: var(--transition); border-top: 1px solid var(--border-light);
    }
    .nav-links.active { left: 0; }
    .nav-cta { display: none; }
    .mobile-menu-btn { display: flex; }
    .five-col, .four-col, .three-col, .two-col { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .trust-container { justify-content: flex-start; gap: 1.5rem; }
    .trust-item { width: 100%; }
}