:root {
    --primary: #0a2540;      /* Deep Tech Blue */
    --primary-light: #204060;
    --accent: #0070f3;       /* Tech Blue Accent */
    --accent-hover: #0051b3;
    --dark: #0f172a;         /* Slate 900 */
    --light: #f8fafc;        /* Slate 50 */
    --gray: #64748b;         /* Slate 500 */
    --white: #ffffff;
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    color: var(--dark);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--accent);
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

ul {
    list-style: none;
}

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

.section-padding {
    padding: 6rem 0;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
    color: var(--white);
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.section-header p {
    font-size: 1.2rem;
    color: var(--gray);
}

.text-white p { color: #cbd5e1; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
    border: 2px solid var(--accent);
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}
.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header & Nav */
.site-header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #e2e8f0;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}
.brand-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}
.brand-logo .dot { color: var(--accent); }

.main-nav ul {
    display: flex;
    gap: 2rem;
}
.main-nav a {
    color: var(--dark);
    font-weight: 500;
}
.main-nav a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(10, 37, 64, 0.75), rgba(15, 23, 42, 0.95)), url('../assets/hero-bg.jpg') center/cover no-repeat;
    color: var(--white);
    padding: 10rem 0;
    text-align: center;
}
.hero h1 { color: var(--white); margin-bottom: 1.5rem; }
.hero p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
    color: #e2e8f0;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.align-center { align-items: center; }

/* Cards */
.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.service-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}
.learn-more {
    font-weight: 600;
    font-size: 0.95rem;
}

.industry-card {
    display: block;
    background: var(--white);
    padding: 2rem;
    text-align: center;
    font-weight: 600;
    color: var(--primary);
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}
.industry-card:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* Compliance Section */
.feature-list {
    margin-top: 2rem;
}
.feature-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}
.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}
.img-placeholder {
    width: 100%;
    height: 400px;
    background-color: #e2e8f0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-weight: 600;
}

/* Forms */
.lead-form {
    max-width: 800px;
    margin: 0 auto;
    background: #1e293b;
    padding: 3rem;
    border-radius: 8px;
}
.form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.form-row input, .form-row select, .form-row textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #334155;
    border-radius: 4px;
    background: #0f172a;
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* Footer */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 4rem 0 2rem;
    border-top: 1px solid #1e293b;
}
.site-footer h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}
.site-footer ul li { margin-bottom: 0.8rem; }
.site-footer a { color: #94a3b8; }
.site-footer a:hover { color: var(--white); }
.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid #1e293b;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.8rem; }
}

@media (max-width: 768px) {
    .nav-container { flex-direction: column; height: auto; padding: 1rem 0; gap: 1rem; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; gap: 1rem; margin-bottom: 1rem; }
    .hero { padding: 6rem 0; }
    .hero h1 { font-size: 2.2rem; }
}