:root {
    --bg: #f5f6f8;
    --surface: #fbfcfe;
    --text: #161b25;
    --text-soft: #5f6676;
    --accent: #637fc7;
    --accent-soft: #e8eefb;
    --border: #dde3ef;
    --container: 1040px;
    --radius: 16px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

h1,
h2,
h3,
p,
ul {
    margin: 0;
}

ul {
    padding: 0;
    list-style: none;
}

a {
    color: inherit;
}

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin-inline: auto;
}

.section {
    padding: 4.25rem 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 1rem;
    z-index: 30;
    background: var(--text);
    color: #ffffff;
    padding: 0.65rem 0.9rem;
    border-radius: 10px;
}

.skip-link:focus-visible {
    left: 1rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(245, 246, 248, 0.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(22, 27, 37, 0.08);
}

.nav {
    min-height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    text-decoration: none;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    overflow-x: auto;
    font-size: 0.92rem;
    color: var(--text-soft);
}

.nav-links a {
    text-decoration: none;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--accent);
}

.hero {
    padding-top: 5rem;
}

.hero-content {
    max-width: 760px;
    margin-inline: auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    margin-bottom: 1.2rem;
    font-weight: 700;
}

h1,
h2 {
    line-height: 1.14;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(2rem, 8.5vw, 4rem);
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(1.45rem, 6vw, 2.3rem);
    margin-bottom: 1.4rem;
    text-align: center;
}

h3 {
    font-size: 1.05rem;
    line-height: 1.3;
    margin-bottom: 0.45rem;
}

.lead {
    color: var(--text-soft);
    font-size: clamp(1rem, 2.8vw, 1.25rem);
    max-width: 56ch;
    margin: 0 auto 2rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid transparent;
    padding: 0.72rem 1.3rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.94rem;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 6px 18px rgba(99, 127, 199, 0.18);
}

.button-secondary {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.steps-grid,
.feature-grid {
    display: grid;
    gap: 0.95rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
}

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

.step-number {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.07em;
    margin-bottom: 0.5rem;
}

.value-panel {
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 2px);
    background: var(--surface);
    padding: 1.5rem;
    text-align: center;
}

.value-panel h2 {
    max-width: 22ch;
    margin: 0 auto 1rem;
}

.value-panel p {
    color: var(--text-soft);
    max-width: 56ch;
    margin: 0 auto 1.5rem;
}

.site-footer {
    border-top: 1px solid rgba(22, 27, 37, 0.08);
    padding: 2rem 0 2.4rem;
}

.footer-inner {
    text-align: center;
    color: var(--text-soft);
}

.footer-inner .logo {
    margin-bottom: 0.2rem;
    color: var(--text);
}

.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.button:focus-visible,
.nav-links a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (min-width: 720px) {
    .section {
        padding: 5.4rem 0;
    }

    .steps-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .value-panel {
        padding: 2.1rem;
    }
}

@media (min-width: 980px) {
    .feature-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .button {
        transition: none;
    }
}
