:root {
    --primary: #2563eb;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --secondary: #64748b;
    --dark: #0f172a;
    --light: #f8fafc;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.relative-z {
    position: relative;
    z-index: 10;
}

.mt-4 {
    margin-top: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--dark);
    color: var(--dark);
    margin-left: 12px;
}

.btn-outline:hover {
    background: var(--dark);
    color: var(--white);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent; /* Initially transparent for Hero */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 70px;
    display: flex;
    align-items: center;
    transition: all 0.4s ease; /* Smooth transition */
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9); /* White glass on scroll */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--white);
    transition: color 0.4s ease;
}

.navbar.scrolled .logo {
    color: var(--primary); /* Brand color on white bg */
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.4s ease;
}

.nav-links a:hover {
    color: var(--white);
}

.navbar.scrolled .nav-links a {
    color: var(--secondary); /* Dark text on white bg */
}

.navbar.scrolled .nav-links a:hover {
    color: var(--primary);
}

/* Update "Contact Us" button in navbar if it exists, assuming it's .btn-sm inside .nav-content usually */
.navbar .btn-sm {
    background: rgba(255,255,255,0.2);
    color: var(--white);
    border: 1px solid transparent;
}

.navbar.scrolled .btn-sm {
    background: var(--primary-gradient);
    color: var(--white);
}

/* Hero Section */
.hero {
    padding-top: 200px;
    padding-bottom: 140px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.3) 0%, rgba(15, 23, 42, 0.5) 100%); /* Lighter, more vibrant overlay */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2); /* Subtle shadow for readability */
}

.text-white {
    color: var(--white) !important;
}

.btn-outline-white {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: 2px solid var(--white);
    color: var(--white);
    margin-left: 12px;
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--dark);
}

.badge {
    background: rgba(255, 255, 255, 0.25);
    color: var(--white);
    backdrop-filter: blur(8px);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Stats (Second Block - Clean) */
.stats {
    padding: 80px 0;
    background: var(--white);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.dark-text {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.dark-subtext {
    color: var(--secondary);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Banner BG (Applied to Hero) - Modern Mesh Gradient */
.banner-bg {
    background-image: url('https://images.unsplash.com/photo-1620641788421-7a1c342ea42e?q=80&w=2574&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.icp-number a {
    color: inherit;
    text-decoration: none;
}

.icp-number a:hover {
    text-decoration: underline;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--secondary);
    font-size: 1.1rem;
}

.bg-light-blue {
    background-color: #f8fafc;
}

.bg-white {
    background-color: var(--white);
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.align-center {
    align-items: center;
}

/* Product Cards (Updated) */
.card {
    background: var(--white);
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0,0,0,0.02);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 24px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* About Section Images (Updated) */
.feature-list {
    margin-top: 32px;
}

.feature-list li {
    margin-bottom: 16px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.rounded-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

/* Benefits */
.benefit-item {
    background: #f8fafc;
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,0.03);
    text-align: center;
}

.benefit-item h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.benefit-item p {
    color: var(--secondary);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0;
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.9rem;
}

.icp-number {
    margin-top: 8px;
    font-size: 0.8rem !important;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--white);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .grid-2, .stats-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .footer-content { flex-direction: column; gap: 32px; text-align: center; }
    .card-image { height: 180px; }
}