:root {
    --bg: #fafafa;
    --fg: #111;
    --muted: #6b7280;
    --line: #e5e7eb;
    --card: #fff;
    --accent: #111
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    padding: 0
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
    line-height: 1.5
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px
}

.container.narrow {
    max-width: 720px
}

.site-header {
    position: sticky;
    top: 0;
    backdrop-filter: blur(6px);
    background: rgba(255, 255, 255, .7);
    border-bottom: 1px solid var(--line)
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px
}

.brand-badge {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--line);
    display: grid;
    overflow: hidden;
}

.brand-badge img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
}

.brand-title {
    font-weight: 600
}

.brand-sub {
    font-size: 12px;
    color: var(--muted)
}

.nav {
    display: none;
    gap: 8px
}

.nav a {
    text-decoration: none
}

.nav-toggle {
    display: inline-flex;
    background: 0;
    border: 1px solid var(--line);
    padding: 6px 10px;
    border-radius: 8px
}

@media(min-width:640px) {
    .nav {
        display: flex
    }

    .nav-toggle {
        display: none
    }
}

.hero {
    display: grid;
    gap: 24px;
    padding: 48px 0;
    grid-template-columns: 1fr
}

.hero h1 {
    font-size: 40px;
    line-height: 1.1;
    margin: 0
}

.hero p {
    font-size: 18px;
    color: var(--muted);
    margin-top: 12px
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px
}

.hero-images {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr 1fr
}

.img-wrap {
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, #eee, #fafafa);
    min-height: 220px
}

.img-wrap.cover img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.img-wrap.contain img {
    width: 100%;
    height: 100%;
    object-fit: contain
}

@media(min-width:768px) {
    .hero {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        padding: 80px 0
    }

    .hero h1 {
        font-size: 56px
    }
}

.features {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
    padding: 32px 0
}

.feature {
    background: var(--card);
    border: 1px solid var(--line);
    padding: 20px;
    border-radius: 16px
}

.feature h3 {
    margin: 0 0 8px 0;
    font-size: 18px
}

@media(min-width:640px) {
    .features {
        grid-template-columns: 1fr 1fr
    }
}

@media(min-width:1024px) {
    .features {
        grid-template-columns: 1fr 1fr 1fr
    }
}

.how {
    padding: 32px 0 56px
}

.how h2 {
    font-size: 22px;
    margin: 0
}

.steps {
    list-style: none;
    padding: 0;
    margin: 16px 0 20px;
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr
}

.steps li {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px
}

.steps li span {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: #111;
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 700
}

@media(min-width:768px) {
    .steps {
        grid-template-columns: repeat(3, 1fr)
    }
}

.btn {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 14px;
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px
}

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

.btn.ghost {
    opacity: .8
}

.form {
    display: grid;
    gap: 12px;
    margin-top: 12px
}

.form label {
    display: grid;
    gap: 6px;
    font-weight: 500
}

.form input {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px
}

.muted {
    color: var(--muted);
    font-size: 14px
}

.site-footer {
    border-top: 1px solid var(--line);
    margin-top: 24px
}

.footer-inner {
    padding: 20px 0;
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap
}

.footer-links a {
    color: var(--muted);
    text-decoration: underline
}