:root {
    --color-primary: #00c851;
    --color-secondary: #ff6b00;
    --color-dark: #1e1e1e;
    --color-dark-2: #111111;
    --color-light: #ffffff;
    --color-light-2: #f5f5f5;
    --color-text: #222222;
    --color-text-light: #f2f2f2;
    --color-border: #e8e8e8;

    --font-family: Arial, Helvetica, sans-serif;
    --container-width: 1120px;
    --container-narrow: 820px;

    --radius: 14px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-light);
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

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

.container {
    width: min(100% - 32px, var(--container-width));
    margin: 0 auto;
}

.narrow {
    width: min(100% - 32px, var(--container-narrow));
    margin: 0 auto;
}

.center {
    text-align: center;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
}

.topbar__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 74px;
    gap: 20px;
}

.brand__name {
    font-weight: 700;
    font-size: 1.1rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.nav a:not(.btn) {
    font-size: 0.95rem;
    color: #444;
}

.section {
    padding: 80px 0;
}

.section--alt {
    background: var(--color-light-2);
}

.section--dark {
    background: linear-gradient(180deg, var(--color-dark), var(--color-dark-2));
    color: var(--color-text-light);
}

.hero {
    padding: 100px 0 80px;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1.1;
    margin: 0 0 18px;
}

.hero__subtitle {
    font-size: 1.1rem;
    max-width: 760px;
    margin-bottom: 24px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 22px;
}

.hero__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    padding: 0;
    margin: 0;
    list-style: none;
    color: #dcdcdc;
}

.hero__highlights li::before {
    content: "✔ ";
    color: var(--color-primary);
}

h2 {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 20px;
}

h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.15rem;
}

p {
    margin-top: 0;
    margin-bottom: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border: none;
    border-radius: 999px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
}

.btn:hover {
    transform: translateY(-1px);
    opacity: 0.96;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(0, 200, 81, 0.25);
}

.btn--secondary {
    background: var(--color-secondary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(255, 107, 0, 0.22);
}

.btn--small {
    min-height: 42px;
    padding: 0 16px;
    font-size: 0.92rem;
}

.btn--large {
    min-height: 60px;
    padding: 0 28px;
    font-size: 1rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.step {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px;
    border-radius: var(--radius);
}

.step__number {
    display: inline-flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    margin-bottom: 16px;
}

.faq details {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 14px;
    box-shadow: var(--shadow);
}

.faq summary {
    font-weight: 700;
    cursor: pointer;
}

.footer {
    border-top: 1px solid var(--color-border);
    background: #fafafa;
    padding: 28px 0;
}

.footer__content {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: center;
}

.footer__keywords {
    color: #666;
    font-size: 0.92rem;
}

@media (max-width: 768px) {
    .topbar__content {
        flex-direction: column;
        justify-content: center;
        padding: 14px 0;
    }

    .nav {
        justify-content: center;
    }

    .section {
        padding: 64px 0;
    }

    .hero {
        padding: 84px 0 64px;
    }
}