* {
    box-sizing: border-box;
}

:root {
    --text: #172033;
    --muted: #5d6678;
    --primary: #1f5eff;
    --primary-dark: #1748c7;
    --surface: #ffffff;
    --surface-alt: #f4f7fb;
    --border: #dde4ef;
    --success: #176b3a;
    --error: #9d2525;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--surface);
    line-height: 1.65;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.narrow {
    max-width: 820px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
}

.nav-wrap,
.footer-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-wrap {
    min-height: 72px;
}

.logo {
    color: var(--text);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 800;
}

.nav {
    display: flex;
    gap: 28px;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
}

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

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    font-size: 1.7rem;
    cursor: pointer;
}

.hero {
    padding: 96px 0;
    background: linear-gradient(135deg, #eef4ff, #ffffff);
}

.hero-grid,
.contact-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
    align-items: center;
}

.eyebrow {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    font-weight: 800;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

h1 {
    max-width: 760px;
    margin: 12px 0 22px;
    font-size: clamp(2.4rem, 6vw, 4.8rem);
}

h2 {
    margin: 10px 0 22px;
    font-size: clamp(1.8rem, 4vw, 3rem);
}

.lead {
    max-width: 720px;
    color: var(--muted);
    font-size: 1.16rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.button {
    display: inline-block;
    border: 0;
    border-radius: 9px;
    padding: 13px 20px;
    text-decoration: none;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.primary {
    color: #fff;
    background: var(--primary);
}

.primary:hover {
    background: var(--primary-dark);
}

.secondary {
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
}

.hero-card,
.card,
.contact-form {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 30px;
    box-shadow: 0 16px 50px rgba(20, 40, 80, 0.08);
}

.hero-card ul {
    padding-left: 20px;
    margin-bottom: 0;
}

.section {
    padding: 90px 0;
}

.alt {
    background: var(--surface-alt);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card h3 {
    margin-top: 0;
}

.card p,
.section p {
    color: var(--muted);
}

.contact-grid {
    align-items: start;
}

.contact-form {
    display: grid;
    gap: 17px;
}

.contact-form label {
    display: grid;
    gap: 7px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 12px;
    font: inherit;
    background: #fff;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(31, 94, 255, 0.15);
    border-color: var(--primary);
}

.honeypot {
    position: absolute;
    left: -9999px;
}

.notice {
    padding: 12px 14px;
    border-radius: 7px;
    font-weight: 700;
}

.notice.success {
    color: var(--success);
    background: #eaf8f0;
}

.notice.error {
    color: var(--error);
    background: #fff0f0;
}

footer {
    padding: 28px 0;
    color: #dce4f5;
    background: #101828;
}

footer p {
    margin: 0;
}

@media (max-width: 850px) {
    .hero-grid,
    .contact-grid,
    .cards {
        grid-template-columns: 1fr;
    }

    .hero-grid,
    .contact-grid {
        gap: 35px;
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .menu-toggle {
        display: block;
    }

    .nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 22px 4%;
        background: #fff;
        border-bottom: 1px solid var(--border);
    }

    .nav.open {
        display: flex;
    }
}

@media (max-width: 560px) {
    .hero,
    .section {
        padding: 65px 0;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .footer-wrap {
        align-items: flex-start;
        flex-direction: column;
    }
}