@import url('/assets/lxgw/lxgw.css');

:root {
  --ink: #1b342b;
  --muted: #597066;
  --paper: #f7f8f3;
  --paper-deep: #e8efe5;
  --line: rgb(47 104 79 / 18%);
  --line-strong: rgb(47 104 79 / 34%);
  --accent: #2f684f;
  --accent-deep: #215c3b;
  --accent-pale: #e5efe4;
  --danger: #a3473e;
  --warning: #725d2a;
  --shadow: 0 1.5rem 4.5rem -2.5rem rgb(27 52 43 / 30%);
}

*, *::before, *::after {
  box-sizing: border-box;
  font-family: 'LXGW WenKai', 'LXGW WenKai Latin', cursive !important;
  font-synthesis: none;
}

html { background: var(--paper); }

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgb(99 139 111 / 13%), transparent 28rem),
    radial-gradient(circle at 92% 24%, rgb(163 185 132 / 15%), transparent 26rem),
    linear-gradient(90deg, rgb(47 104 79 / 2.8%) 1px, transparent 1px),
    linear-gradient(rgb(47 104 79 / 2.5%) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, 38px 38px, 38px 38px;
  font: 16px/1.65 'LXGW WenKai', 'LXGW WenKai Latin', cursive;
}

body::before {
  position: fixed;
  z-index: 10;
  inset: 0;
  pointer-events: none;
  content: '';
  opacity: .14;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
}

a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.page {
  width: min(75rem, 100%);
  margin: 0 auto;
  padding: 1.4rem 1.25rem 5rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgb(252 253 248 / 78%);
  box-shadow: 0 1rem 3.5rem -2rem rgb(27 52 43 / 20%);
  backdrop-filter: blur(1.25rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
}

.mark {
  width: 2.3rem;
  height: 2.3rem;
  border-radius: .68rem;
  object-fit: cover;
  box-shadow: 0 .5rem 1rem -.6rem rgb(27 52 43 / 45%);
}

.brand strong { display: block; font-size: 1.1rem; line-height: 1.1; }
.brand small { display: block; margin-top: .12rem; color: var(--muted); font-size: .68rem; letter-spacing: .12em; }

.top-links {
  display: flex;
  align-items: center;
  gap: .9rem;
  color: var(--muted);
  font-size: .82rem;
}

.top-links a {
  text-decoration: none;
  transition: color .2s ease;
}

.top-links a:hover { color: var(--accent-deep); }

.top-links a:last-child {
  padding: .42rem .7rem;
  border: 1px solid var(--line-strong);
  border-radius: .65rem;
  color: var(--accent-deep);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(26rem, 1.08fr);
  gap: clamp(2.2rem, 6vw, 5.5rem);
  align-items: start;
  padding: clamp(3.5rem, 8vw, 7rem) 1.55rem 0;
}

.intro { padding-top: .55rem; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .13em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 8.6em;
  margin-bottom: 1.45rem;
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.07em;
  text-wrap: balance;
}

.intro > p:not(.eyebrow) {
  max-width: 32rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.flow {
  display: grid;
  gap: 0;
  max-width: 33rem;
  margin: 3.2rem 0 0;
  border-top: 1px solid var(--line);
}

.flow-item {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: .8rem;
  padding: 1rem 0 1.06rem;
  border-bottom: 1px solid var(--line);
}

.flow-index {
  padding-top: .1rem;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .73rem;
  font-weight: 700;
}

.flow-item b { display: block; font-size: .98rem; }
.flow-item span { display: block; margin-top: .12rem; color: var(--muted); font-size: .84rem; }

.note {
  max-width: 33rem;
  margin: 2.2rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: .82rem;
}

.claim-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 1.55rem;
  background: rgb(252 253 248 / 93%);
  box-shadow: var(--shadow);
}

.claim-card::before {
  position: absolute;
  top: 0;
  right: 1.6rem;
  left: 1.6rem;
  height: 1px;
  background: rgb(255 255 255 / 95%);
  content: '';
}

.card-head { padding: 1.65rem 1.7rem 1.3rem; border-bottom: 1px solid var(--line); }
.card-head .eyebrow { margin-bottom: .5rem; font-size: .7rem; }
.card-head h2 { margin-bottom: .35rem; font-size: 1.65rem; line-height: 1.2; letter-spacing: -.045em; }
.card-head p { margin-bottom: 0; color: var(--muted); font-size: .84rem; }

form { padding: 1.55rem 1.7rem 1.7rem; }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend { margin-bottom: .72rem; color: var(--muted); font-size: .78rem; font-weight: 700; }

.products { display: grid; gap: .55rem; }

.product {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
  padding: .84rem .9rem;
  border: 1px solid var(--line);
  border-radius: .86rem;
  background: rgb(247 248 243 / 70%);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
  cursor: pointer;
}

.product:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.product:has(input:checked) { border-color: var(--accent); background: var(--accent-pale); }
.product input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--accent-deep); }
.product b, .product small { display: block; }
.product b { font-size: .94rem; }
.product small { margin-top: .08rem; color: var(--muted); font-size: .72rem; }

.price-stack {
  display: grid;
  justify-items: end;
  gap: .05rem;
  white-space: nowrap;
  text-align: right;
}

.price-stack strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.04rem;
  font-variant-numeric: tabular-nums;
}

.price-stack__top { display: flex; align-items: center; gap: .35rem; }
.price-stack del { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .68rem; }
.sale-badge { padding: .08rem .28rem; background: var(--danger); color: #fff; font-size: .58rem; font-weight: 700; letter-spacing: .04em; }
.price-stack strong.is-sale { color: var(--danger); }

.payment {
  display: grid;
  grid-template-columns: 7.4rem 1fr;
  gap: 1rem;
  align-items: center;
  margin: 1.3rem 0 1.45rem;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(135deg, rgb(229 239 228 / 82%), rgb(247 248 243 / 90%));
}

.payment img {
  width: 7.4rem;
  aspect-ratio: 1;
  border: 1px solid rgb(47 104 79 / 10%);
  border-radius: .55rem;
  background: #fff;
  object-fit: cover;
  object-position: center 30%;
}

.payment h3 { margin-bottom: .16rem; font-size: .98rem; }
.payment p { margin-bottom: .22rem; color: var(--muted); font-size: .76rem; }
.code {
  display: inline-block;
  margin: .08rem 0 .38rem;
  padding: .34rem .5rem;
  border: 1px dashed var(--accent);
  border-radius: .3rem;
  background: rgb(252 253 248 / 82%);
  color: var(--accent-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: .12em;
  font-variant-numeric: tabular-nums;
}

.payment small { display: block; color: var(--muted); font-size: .67rem; line-height: 1.55; }

.field { margin-top: 1rem; }
.field label { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .38rem; font-size: .8rem; font-weight: 700; }
.field label span { color: var(--muted); font-size: .69rem; font-weight: 400; }

input[type=email], input[type=text], textarea {
  width: 100%;
  padding: .72rem .78rem;
  border: 1px solid var(--line-strong);
  border-radius: .62rem;
  outline: 0;
  background: rgb(255 255 255 / 78%);
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}

textarea { min-height: 5rem; resize: vertical; }
input::placeholder, textarea::placeholder { color: rgb(89 112 102 / 72%); }
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgb(47 104 79 / 12%); }

details {
  margin-top: 1.2rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .76rem 0;
  color: var(--accent-deep);
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-family: ui-monospace, monospace; font-size: 1rem; transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
.details-body { padding: 0 0 .88rem; color: var(--muted); font-size: .73rem; }
.details-body ul { display: grid; gap: .38rem; margin: .45rem 0 0; padding-left: 1.15rem; }
.details-body p { margin-bottom: .4rem; }

.agreement {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  margin-top: 1.18rem;
  padding: .8rem .85rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: rgb(232 239 229 / 60%);
  color: var(--muted);
  font-size: .73rem;
  line-height: 1.65;
}

.agreement input { width: 1rem; height: 1rem; flex: 0 0 auto; margin: .2rem 0 0; accent-color: var(--accent-deep); }
.agreement a { color: var(--accent-deep); font-weight: 700; text-underline-offset: .14rem; }

.submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  width: 100%;
  margin-top: 1rem;
  padding: .88rem 1rem;
  border: 1px solid var(--accent-deep);
  border-radius: .72rem;
  background: var(--accent-deep);
  color: #fff;
  font-size: .94rem;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.submit:hover:not(:disabled) { transform: translateY(-1px); background: #17472d; box-shadow: 0 .8rem 1.6rem -.9rem rgb(27 52 43 / 55%); }
.submit:active:not(:disabled) { transform: translateY(0) scale(.99); }
.submit:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgb(47 104 79 / 36%); outline-offset: 3px; }
.submit:disabled { cursor: not-allowed; opacity: .58; }

.message { min-height: 1.4rem; margin: .76rem 0 0; font-size: .76rem; }
.message.ok { color: var(--accent-deep); }
.message.err { color: var(--danger); }
.message.loading { color: var(--muted); }

.bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 3rem 1.55rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .72rem;
}

.bottom a { color: var(--accent-deep); text-underline-offset: .16rem; }

@media (max-width: 52rem) {
  .page { padding: .8rem .85rem 3.5rem; }
  .layout { grid-template-columns: 1fr; gap: 2.6rem; padding: 3rem .4rem 0; }
  h1 { max-width: 10em; }
  .intro { padding: 0 .4rem; }
  .flow, .note { max-width: none; }
  .bottom { margin-right: .4rem; margin-left: .4rem; flex-direction: column; }
}

@media (max-width: 30rem) {
  .top-links a:first-child { display: none; }
  .topbar { padding: .65rem .72rem; }
  .card-head, form { padding-right: 1.05rem; padding-left: 1.05rem; }
  .payment { grid-template-columns: 5.7rem 1fr; gap: .72rem; }
  .payment img { width: 5.7rem; }
}