:root {
    --bg: #f4efe6;
    --paper: rgba(255, 252, 247, 0.92);
    --text: #1f1d1a;
    --muted: #6e6457;
    --accent: #cb5b2e;
    --accent-dark: #8e3d20;
    --line: rgba(31, 29, 26, 0.08);
    --shadow: 0 18px 50px rgba(103, 70, 41, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Avenir Next", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(203, 91, 46, 0.18), transparent 30%),
        radial-gradient(circle at bottom right, rgba(78, 121, 113, 0.14), transparent 32%),
        var(--bg);
}

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

.page-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 48px;
}

.site-header,
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-header {
    margin-bottom: 36px;
}

.site-nav {
    display: flex;
    gap: 16px;
    color: var(--muted);
}

.brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero,
.card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.hero {
    padding: 48px;
    margin-bottom: 28px;
}

.hero h1 {
    max-width: 740px;
    margin: 10px 0 14px;
    font-size: clamp(2.3rem, 6vw, 4.5rem);
    line-height: 0.94;
}

.hero p {
    max-width: 640px;
    color: var(--muted);
    font-size: 1.05rem;
}

.eyebrow {
    color: var(--accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    font-weight: 700;
}

.grid {
    display: grid;
    gap: 20px;
}

.tariffs-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.checkout-grid {
    grid-template-columns: 1fr 1fr;
}

.status-grid {
    grid-template-columns: minmax(0, 760px);
}

.card {
    padding: 28px;
}

.tariff-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 18px 0;
}

.tariff-meta div,
.checkout-summary div {
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(203, 91, 46, 0.06);
}

.tariff-meta dt,
.checkout-summary span {
    color: var(--muted);
    font-size: 0.88rem;
}

.tariff-meta dd,
.checkout-summary strong {
    margin: 6px 0 0;
    font-size: 1.1rem;
}

.tariff-footer,
.checkout-summary,
.status-pills {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.price {
    font-size: 2rem;
    font-weight: 700;
}

.benefits {
    margin: 18px 0 24px;
    padding-left: 18px;
    color: var(--muted);
}

.stack-form {
    display: grid;
    gap: 14px;
}

.stack-form label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: 0.92rem;
}

.stack-form input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 16px;
    font: inherit;
    background: #fff;
    color: var(--text);
}

.button,
button.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
    padding: 0 20px;
    border: 0;
    border-radius: 999px;
    background: var(--accent);
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
}

.button:hover,
button.button:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.secondary-link {
    display: inline-block;
    margin-top: 12px;
    color: var(--muted);
}

.warning {
    color: var(--accent-dark);
}

.pill {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(31, 29, 26, 0.06);
    color: var(--muted);
}

.proxy-box {
    padding: 18px;
    border-radius: 16px;
    background: #1f1d1a;
    color: #f3ebdb;
    overflow-x: auto;
    white-space: pre-wrap;
}

.site-footer {
    margin-top: 28px;
    color: var(--muted);
}

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

    .hero {
        padding: 30px;
    }

    .site-header,
    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}