:root {
    --bg: #f6f8fb;
    --card: #ffffff;
    --text: #101828;
    --muted: #667085;
    --line: #e4e7ec;
    --brand: #2563eb;
    --brand-dark: #1d4ed8;
    --success: #12b76a;
    --danger: #f04438;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

.wrapper {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.header {
    background: rgba(255,255,255,.9);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: linear-gradient(135deg, #111827, #2563eb);
    color: white;
    display: grid;
    place-items: center;
    font-size: 18px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}

.hero {
    padding: 56px 0;
}

.grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 28px;
    align-items: start;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: 0 20px 60px rgba(16,24,40,.08);
    overflow: hidden;
}

.card-pad {
    padding: 28px;
}

.eyebrow {
    color: var(--brand);
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 12px;
}

h1 {
    font-size: clamp(34px, 5vw, 62px);
    line-height: .96;
    letter-spacing: -0.06em;
    margin: 0 0 18px;
}

h2 {
    font-size: 28px;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin: 0 0 12px;
}

p {
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
}

.features {
    margin-top: 28px;
    display: grid;
    gap: 12px;
}

.feature {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
}

.tick {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(18,183,106,.12);
    color: var(--success);
    display: grid;
    place-items: center;
    font-weight: 900;
    flex: 0 0 24px;
}

.product-visual {
    min-height: 360px;
    background:
        radial-gradient(circle at 20% 20%, rgba(37,99,235,.18), transparent 34%),
        radial-gradient(circle at 80% 70%, rgba(18,183,106,.16), transparent 30%),
        linear-gradient(135deg, #ffffff, #eef4ff);
    display: grid;
    place-items: center;
    padding: 30px;
}

.phone {
    width: 240px;
    height: 420px;
    border-radius: 42px;
    background: #0b1220;
    padding: 14px;
    box-shadow: 0 24px 70px rgba(16,24,40,.25);
}

.phone-screen {
    height: 100%;
    border-radius: 32px;
    background: #ffffff;
    padding: 18px;
}

.mini-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 14px;
    margin-bottom: 12px;
}

.mini-title {
    font-size: 13px;
    color: var(--muted);
}

.mini-price {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.04em;
    margin-top: 4px;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 50px;
    border-radius: 16px;
    border: 0;
    padding: 0 20px;
    font-weight: 800;
    cursor: pointer;
    background: var(--brand);
    color: #fff;
    box-shadow: 0 12px 28px rgba(37,99,235,.24);
}

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

.btn-block {
    width: 100%;
}

.order-line {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.order-line:last-child {
    border-bottom: 0;
}

.order-line strong {
    font-size: 22px;
}

.notice {
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    color: #1e40af;
    border-radius: 18px;
    padding: 14px;
    line-height: 1.55;
    font-size: 14px;
}

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

.gpay-box {
    border: 1px dashed #98a2b3;
    border-radius: 20px;
    padding: 18px;
    background: #fcfcfd;
}

.success-mark {
    width: 76px;
    height: 76px;
    border-radius: 999px;
    background: rgba(18,183,106,.14);
    color: var(--success);
    display: grid;
    place-items: center;
    font-size: 38px;
    font-weight: 900;
    margin-bottom: 20px;
}

.footer {
    padding: 36px 0;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 860px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .header-inner {
        height: auto;
        padding: 18px 0;
        align-items: flex-start;
        gap: 12px;
        flex-direction: column;
    }
}