/* Email sequence viewer · system B */
.seq-hero { text-align: center; padding: clamp(64px, 10vh, 104px) 0 clamp(36px, 5vh, 56px); }
.seq-hero h1 { font-size: clamp(36px, 4.6vw, 56px); }
.seq-hero .lead { max-width: 56ch; }
.seq-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.seq-meta span { padding: 8px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--hair-soft); font-size: 15px; color: var(--muted); }
.seq-meta b { color: var(--ink); font-weight: 600; }
.mails { max-width: 820px; margin: 0 auto; padding-bottom: 40px; display: grid; gap: 26px; }
.mail { background: var(--surface); border: 1px solid var(--hair-soft); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; }
.mail-h { padding: 22px clamp(20px, 4vw, 34px) 18px; border-bottom: 1px solid var(--hair-soft); background: linear-gradient(180deg, var(--lilac-soft), rgba(255, 255, 255, 0)); }
.mail-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.mail-n { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--teal); color: #fff; font-family: var(--display); font-size: 17px; }
.mail-tag { padding: 5px 12px; border-radius: 999px; background: var(--teal-soft); color: var(--teal-deep); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.mail-when { font-size: 14px; color: var(--soft); }
.mail-quad { margin-left: auto; font-size: 13px; color: var(--soft); font-style: italic; }
.mail-sub { margin: 0; font-family: var(--display); font-weight: 400; font-size: clamp(22px, 2.3vw, 27px); line-height: 1.25; letter-spacing: -0.01em; }
.mail-pv { margin: 6px 0 0; font-size: 16px; color: var(--soft); }
.mail-pv b { font-weight: 600; color: var(--muted); }
.mail-b { padding: 22px clamp(20px, 4vw, 34px) 28px; font-size: 18px; line-height: 1.7; }
.mail-b p { margin: 0 0 14px; }
.mail-b p:last-child { margin-bottom: 0; }
.mail-b ul { margin: 0 0 14px; padding-left: 22px; }
.mail-b li { margin-bottom: 6px; }
.tok-merge { display: inline-block; padding: 0 6px; border-radius: 6px; background: var(--lilac); color: var(--ink); font-size: 0.9em; font-weight: 600; white-space: nowrap; }
.tok-link { display: inline-block; padding: 2px 10px; border-radius: 8px; background: var(--teal); color: #fff; font-size: 0.88em; font-weight: 600; white-space: nowrap; }
.sig { margin-top: 18px !important; font-family: var(--display); font-style: italic; font-size: 21px; }
.ps { color: var(--muted); font-size: 17px; }
@media (max-width: 600px) { .mail-quad { margin-left: 0; width: 100%; } }