:root {
    --primary: #1b6ec2;
    --primary-dark: #1861ac;
    --ink: #1c2733;
    --ink-muted: #5a6673;
    --bg: #ffffff;
    --bg-alt: #f5f8fb;
    --border: #e1e8ef;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.5;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-header .brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
}
.site-header nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}
.site-header nav a:not(.btn) {
    color: var(--ink-muted);
    text-decoration: none;
}
.site-header nav a:not(.btn):hover { color: var(--ink); }

/* Buttons */
.btn {
    display: inline-block;
    border-radius: 6px;
    padding: 0.6rem 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline {
    background: transparent;
    color: var(--ink);
    border-color: var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-small { padding: 0.4rem 0.85rem; font-size: 0.9rem; }
.btn-large { padding: 0.85rem 1.5rem; font-size: 1.05rem; }

/* Hero */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(180deg, var(--bg-alt), var(--bg));
}
.hero h1 {
    font-size: 2.6rem;
    line-height: 1.15;
    max-width: 780px;
    margin: 0 0 1.25rem;
}
.hero .lede {
    font-size: 1.2rem;
    color: var(--ink-muted);
    max-width: 640px;
    margin: 0 0 2rem;
}
.hero-actions { display: flex; gap: 1rem; }

/* Features */
.features { padding: 4rem 0; }
.features h2, .compliance h2, .signup h2 {
    font-size: 1.9rem;
    margin: 0 0 2rem;
    text-align: center;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    background: var(--bg);
}
.feature-card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.feature-card p { margin: 0; color: var(--ink-muted); }

/* Compliance */
.compliance { padding: 4rem 0; background: var(--bg-alt); }
.compliance-list {
    max-width: 640px;
    margin: 0 auto;
    padding: 0;
    list-style: none;
}
.compliance-list li {
    padding: 0.6rem 0 0.6rem 1.8rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.compliance-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}
.compliance-list li:last-child { border-bottom: none; }

/* Sign-up */
.signup { padding: 4rem 0 5rem; }
.signup .lede {
    text-align: center;
    color: var(--ink-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
}
.signup-form {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.signup-form label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.95rem;
}
.signup-form input, .signup-form textarea {
    font-family: inherit;
    font-size: 1rem;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-weight: 400;
}
.form-success {
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    background: #e6f4ea;
    color: #1e6b34;
    text-align: center;
}
.validation-summary ul { color: #b3261e; padding-left: 1.25rem; }
.validation-summary:empty { display: none; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    color: var(--ink-muted);
    font-size: 0.9rem;
}
.site-footer .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}