:root {
    --bg: #f7f7f3;
    --surface: #ffffff;
    --text: #151515;
    --muted: #666666;
    --line: #deded8;
    --accent: #111111;
    --soft: #ecece6;
    --max: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.narrow {
    max-width: 780px;
}

.header {
    border-bottom: 1px solid var(--line);
    background: rgba(247, 247, 243, 0.95);
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav nav {
    display: flex;
    gap: 24px;
    color: var(--muted);
    font-size: 14px;
}

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

.hero {
    padding: 110px 0 90px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 70px;
    align-items: center;
}

.eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--muted);
}

h1 {
    margin: 15px 0 25px;
    max-width: 760px;
    font-size: clamp(42px, 6vw, 76px);
    line-height: 1.02;
    letter-spacing: -3px;
}

h2 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin: 10px 0 20px;
}

h3 {
    font-size: 26px;
    margin: 12px 0;
}

.hero-text {
    max-width: 650px;
    font-size: 19px;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.button {
    padding: 13px 20px;
    border-radius: 8px;
    border: 1px solid var(--text);
    font-weight: 700;
}

.button.primary {
    background: var(--text);
    color: white;
}

.button.secondary {
    background: transparent;
}

.signal-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 32px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.06);
}

.signal-card span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 1.2px;
    margin-bottom: 25px;
}

.signal-card strong {
    display: block;
    font-size: 27px;
    line-height: 1.2;
}

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

.signal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #111;
    margin-bottom: 20px;
}

.section {
    padding: 90px 0;
}

.section.muted {
    background: var(--soft);
}

.section-heading {
    margin-bottom: 40px;
}

.section-heading > p:last-child {
    color: var(--muted);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 28px;
}

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

.tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: var(--muted);
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin: 25px 0;
    padding-top: 15px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
}

.card > a,
.text-link {
    font-weight: 700;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 35px;
}

.steps div {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
}

.steps strong,
.steps span {
    display: block;
}

.steps strong {
    font-size: 12px;
    color: var(--muted);
}

.steps span {
    margin-top: 8px;
    font-weight: 700;
}

.footer {
    border-top: 1px solid var(--line);
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.footer p {
    color: var(--muted);
    margin: 5px 0 0;
}

.footer a {
    color: var(--muted);
}

@media (max-width: 800px) {
    .hero-grid,
    .cards {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 70px 0;
    }

    h1 {
        letter-spacing: -2px;
    }

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

    .nav nav {
        display: none;
    }
}
