:root { --night: #0c1a12; --night-2: #13261b; --paper: #f3f5ef; --green: #22c46e; --green-deep: #138a4c; --lime: #c9f26b; --muted: #4f5c54; --line: rgba(12,26,18,.12); --card: #fff; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Assistant', sans-serif; background: var(--paper); color: var(--night); font-size: 18px; line-height: 1.7; overflow-x: clip; }
a { color: var(--green-deep); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
.skip { position: absolute; inset-inline-start: 12px; top: -60px; background: var(--night); color: #fff; padding: 10px 18px; border-radius: 999px; z-index: 30; text-decoration: none; }
.skip:focus { top: 12px; }
.in { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

header.top { background: var(--night); color: #fff; }
header.top .in { padding-block: 20px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
header.top .back { color: #fff; opacity: .8; text-decoration: none; font-weight: 600; }

.hero { background: var(--night); color: #fff; padding: 40px 0 70px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -40% -20% auto auto; width: 70vw; height: 70vw; background: radial-gradient(closest-side, rgba(34,196,110,.22), rgba(34,196,110,0)); pointer-events: none; }
.kicker { display: inline-block; font: 700 14px 'Rubik', sans-serif; letter-spacing: .04em; color: var(--night); background: var(--green); padding: 4px 14px; border-radius: 999px; }
.hero h1 { font: 900 clamp(34px, 6vw, 60px)/1.08 'Rubik', sans-serif; margin: 18px 0 14px; position: relative; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero p.lead { color: rgba(255,255,255,.78); font-size: 20px; max-width: 640px; position: relative; }

section { padding: 64px 0; }
h2 { font: 900 clamp(26px, 4vw, 38px)/1.15 'Rubik', sans-serif; margin-bottom: 10px; }
h2 em { font-style: normal; color: var(--green-deep); }
.sub { color: var(--muted); max-width: 640px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; text-decoration: none; font: 700 17px 'Assistant', sans-serif; padding: 13px 26px; border-radius: 999px; background: var(--night); color: #fff; border: 0; cursor: pointer; }
.btn.green { background: var(--green); color: var(--night); }
.btn.ghost { background: transparent; color: var(--night); border: 1.5px solid var(--line); }
.btn.sm { padding: 8px 16px; font-size: 15px; }
.btn:disabled { opacity: .55; cursor: wait; }

/* gift cards */
.gifts { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; margin-top: 28px; }
.gift { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 22px; display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: inherit; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.gift:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -22px rgba(12,26,18,.45); border-color: rgba(19,138,76,.4); }
.gift .meta { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { font: 700 12.5px 'Assistant', sans-serif; border-radius: 999px; padding: 2px 10px; background: #e3f6ea; color: var(--green-deep); }
.pill.mail { background: #fff1c9; color: #7a5300; }
.pill.time { background: #eef2ec; color: var(--muted); }
.gift h3 { font: 700 21px/1.3 'Rubik', sans-serif; }
.gift p { color: var(--muted); font-size: 16px; line-height: 1.6; flex: 1; }
.gift .go { font-weight: 700; color: var(--green-deep); }

/* referral */
.refer { background: var(--night); color: #fff; border-radius: 32px; padding: 36px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; position: relative; overflow: hidden; }
.refer::after { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(34,196,110,.25), transparent 70%); left: -120px; bottom: -160px; pointer-events: none; }
.refer h2 { color: #fff; }
.refer h2 em { color: var(--green); }
.refer .sub { color: rgba(255,255,255,.75); }
.perks { display: grid; gap: 10px; margin-top: 20px; }
.perk { display: flex; gap: 12px; align-items: flex-start; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 12px 14px; }
.perk b { display: block; font-family: 'Rubik', sans-serif; }
.perk span.ic { flex: none; width: 34px; height: 34px; border-radius: 10px; background: var(--green); color: var(--night); display: grid; place-items: center; font: 900 16px 'Rubik', sans-serif; }
.perk small { color: rgba(255,255,255,.7); font-size: 15px; }
.rform { background: #fff; color: var(--night); border-radius: 22px; padding: 22px; display: grid; gap: 10px; align-content: start; position: relative; z-index: 1; }
.rform h3 { font: 700 20px 'Rubik', sans-serif; }
label.f { display: grid; gap: 4px; font-size: 14px; font-weight: 700; color: var(--muted); }
label.f input, label.f select, label.f textarea { font: inherit; font-size: 17px; color: var(--night); border: 1px solid var(--line); background: #fbfcfa; border-radius: 12px; padding: 10px 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.err { color: #b3261e; font-size: 15px; min-height: 1.4em; }
.linkbox { display: none; gap: 10px; }
.linkbox.on { display: grid; }
.linkbox input { direction: ltr; text-align: left; font-size: 16px; border: 1.5px dashed var(--green-deep); background: #e9f7ef; border-radius: 12px; padding: 10px 12px; }
.linkbox .row { display: flex; gap: 8px; flex-wrap: wrap; }
.fine { color: rgba(255,255,255,.55); font-size: 13.5px; margin-top: 14px; }

.cta { text-align: center; }
.cta p { color: var(--muted); margin: 8px auto 20px; max-width: 560px; }

/* tool pages */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 24px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.out { display: grid; gap: 12px; margin-top: 22px; }
.reply { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; }
.reply .h { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; }
.reply .h b { font: 700 17px 'Rubik', sans-serif; }
.reply .h small { color: var(--muted); font-size: 13px; }
.reply pre { white-space: pre-wrap; font: 16.5px/1.65 'Assistant', sans-serif; background: #f7f9f5; border-radius: 12px; padding: 12px 14px; }
.tip { background: #e3f6ea; border-radius: 18px; padding: 16px 18px; margin-top: 22px; }
.tip b { font-family: 'Rubik', sans-serif; }
.tip ol { margin: 6px 22px 0 0; }
.doc { white-space: pre-wrap; font: 16px/1.7 'Assistant', sans-serif; background: #f7f9f5; border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; min-height: 120px; }

footer { background: var(--night); color: rgba(255,255,255,.7); padding: 26px 0; font-size: 15px; }
footer .in { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
footer a { color: rgba(255,255,255,.85); }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--night); color: #fff; padding: 10px 20px; border-radius: 999px; font-weight: 700; z-index: 50; }

@media (max-width: 760px) {
  .refer { grid-template-columns: 1fr; padding: 24px 18px; }
  .grid2 { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
}