/* ===== Customization page ===== */

.cust-hero {
    position: relative;
    padding: 6rem 0 4rem;
    overflow: hidden;
    text-align: center;
}
.cust-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 52rem;
}
.cust-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
}
.cust-sub {
    font-size: 1.15rem;
    line-height: 1.6;
    color: hsl(var(--color-foreground) / 70%);
    margin: 0 auto 2.25rem;
    max-width: 40rem;
}

/* URL form */
.url-form {
    display: flex;
    align-items: stretch;
    gap: 0;
    max-width: 40rem;
    margin: 0 auto;
    background: hsl(var(--color-background));
    border: 1.5px solid hsl(var(--color-secondary));
    border-radius: 999px;
    padding: 0.4rem 0.4rem 0.4rem 1.25rem;
    box-shadow: 0 18px 40px -16px hsl(var(--color-primary) / 30%),
                0 0 0 6px hsl(var(--color-primary) / 6%);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.url-form:focus-within {
    border-color: hsl(var(--color-primary));
    box-shadow: 0 18px 40px -12px hsl(var(--color-primary) / 45%),
                0 0 0 8px hsl(var(--color-primary) / 12%);
}
.url-prefix {
    display: flex;
    align-items: center;
    color: hsl(var(--color-foreground) / 50%);
    font-size: 1.1rem;
    margin-right: 0.5rem;
}
.url-input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    background: transparent;
    font-size: 1.1rem;
    color: hsl(var(--color-foreground));
    padding: 0.85rem 0.5rem;
}
.url-input::placeholder { color: hsl(var(--color-foreground) / 40%); }
.url-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, hsl(var(--color-primary)), hsl(var(--color-primary-accent)));
    color: hsl(var(--color-primary-foreground));
    font-size: 1.05rem;
    font-weight: 700;
    box-shadow: 0 10px 22px -8px hsl(var(--color-primary) / 55%);
    transition: transform 0.2s, filter 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}
.url-submit:hover {
    transform: translateY(-1px);
    filter: brightness(1.08);
    box-shadow: 0 14px 28px -8px hsl(var(--color-primary) / 65%);
}
.url-submit i { transition: transform 0.2s; }
.url-submit:hover i { transform: translateX(3px); }

@media (max-width: 600px) {
    .url-form {
        flex-direction: column;
        border-radius: 1.25rem;
        padding: 0.75rem;
    }
    .url-prefix { display: none; }
    .url-input {
        padding: 0.75rem 1rem;
        text-align: center;
        border-bottom: 1px solid hsl(var(--color-secondary) / 60%);
    }
    .url-submit { width: 100%; justify-content: center; padding: 0.95rem 1.2rem; }
}

.url-note {
    margin: 1.25rem 0 0;
    font-size: 0.85rem;
    color: hsl(var(--color-foreground) / 55%);
}

/* Body content */
.cust-body {
    padding: 2rem 0 6rem;
}
.cust-body .markdown {
    max-width: 56rem;
}