:root {
    --deep-blue: #1e3a5f;
    --deep-blue-dark: #162d4a;
    --charcoal: #2d3748;
    --slate: #475569;
    --muted: #64748b;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    line-height: 1.6;
    color: var(--charcoal);
    background: white;
    -webkit-font-smoothing: antialiased;
}
a:focus-visible {
    outline: 2px solid var(--deep-blue);
    outline-offset: 3px;
    border-radius: 4px;
}
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    padding: 24px 0;
    border-bottom: 1px solid var(--light-gray);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.logo img {
    display: block;
    height: 42px;
    width: auto;
}
nav {
    display: flex;
    gap: 8px;
}
nav a {
    color: var(--charcoal);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
}
nav a:hover,
nav a[aria-current="page"] {
    color: var(--deep-blue);
}

/* Hero */
.hero {
    padding: 72px 0 64px;
    text-align: center;
}
.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.5px;
    margin: 0 0 24px;
    color: var(--deep-blue);
}
.hero p {
    font-size: 20px;
    max-width: 620px;
    margin: 0 auto 32px;
    color: var(--slate);
}
.btn {
    display: inline-block;
    background: var(--deep-blue);
    color: white;
    padding: 14px 32px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s ease, transform 0.2s ease;
}
.btn:hover {
    background: var(--deep-blue-dark);
    transform: translateY(-1px);
}

/* Sections */
section {
    padding: 80px 0;
}
section[id] {
    scroll-margin-top: 16px;
}
#competencies {
    padding-top: 16px;
}
h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--deep-blue);
    margin: 0 0 40px;
}
.lead {
    max-width: 720px;
    font-size: 18px;
    margin: 0;
}
.lead + .lead { margin-top: 16px; }
.list {
    max-width: 720px;
    font-size: 18px;
    line-height: 1.7;
    padding-left: 20px;
    margin: 0;
}
.list li + li { margin-top: 8px; }
.band {
    background: var(--off-white);
    padding: 60px 0;
}

/* Cards */
.competencies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
    gap: 24px;
}
.competencies.two-up {
    grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
}
.card {
    background: var(--off-white);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--light-gray);
}
.card h3 {
    font-size: 20px;
    line-height: 1.3;
    margin: 0 0 12px;
    color: var(--deep-blue);
}
.card p { margin: 0; }

/* Demo video */
.demo { padding: 0; }
.demo video {
    display: block;
    width: 100%;
    height: auto;
    border: 0;
    outline: none;
    /* Trim screen-capture edge pixels baked into the recording */
    clip-path: inset(0.7% 0.25% 0.15% 0);
}

/* Contact */
.contact-email {
    font-size: 18px;
    font-weight: 500;
    color: var(--deep-blue);
    text-decoration: none;
}
.contact-email:hover { text-decoration: underline; }

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--light-gray);
    font-size: 14px;
    color: var(--muted);
}

/* Phones */
@media (max-width: 640px) {
    header { padding: 16px 0; }
    .logo img { height: 34px; }
    nav { gap: 0; }
    nav a { padding: 8px; }
    .hero { padding: 48px 0 40px; }
    .hero h1 { font-size: 34px; }
    .hero p { font-size: 18px; }
    section { padding: 56px 0; }
    .band { padding: 48px 0; }
    .demo { padding: 0; }
    h2 { font-size: 26px; margin-bottom: 28px; }
    .card { padding: 24px; }
    .lead, .list { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
    .btn:hover { transform: none; }
}