/* landing page — builds on the tokens and base rules in style.css */

/* ---------------- hero: text on the left, the pair-1 soil blocks on the right.
   Stacked under 1100px, where the blocks follow the tagline. */
.hero {
  border-block: 1px solid var(--line);
  padding: 0;
}
.hero-text {
  max-width: 1360px; margin: 0 auto;
  padding: clamp(28px, 4vw, 56px) 24px clamp(36px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 440px) minmax(0, 1fr);
  grid-template-rows: repeat(5, auto) 1fr; /* the 1fr row takes the slack, not the text rows */
  column-gap: clamp(32px, 4vw, 64px);
}
.hero-text > * { grid-column: 1; max-width: 620px; }

/* 掀开土看看: .dig-dug is clipped to the part above ground (identical in both
   renders) and wipes down to the full block when .open (src/dig.js) */
.hero-text > .dig { grid-column: 2; grid-row: 1 / -1; align-self: center; max-width: none; margin: 0; }
.dig-note { margin: 0 0 6px; font-size: 16px; color: var(--ink-soft); }
.dig-pic { position: relative; cursor: pointer; }
.dig-pic img { display: block; width: 100%; height: auto; }
.dig-dug {
  position: absolute; inset: 0;
  clip-path: inset(0 0 58% 0);
  transition: clip-path 0.9s cubic-bezier(0.65, 0, 0.35, 1);
}
.dig.open .dig-dug { clip-path: inset(0); }
.dig figcaption { display: grid; justify-items: center; gap: 14px; margin-top: 12px; }
.dig-names {
  justify-self: stretch;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin: 0; padding: 0; list-style: none; text-align: center;
}
.dig-names b { font: 700 22px/1.4 var(--serif); letter-spacing: 0.06em; }
.dig-names .badge { vertical-align: 3px; }
.dig-root {
  display: block; margin-top: 4px; font-size: 17px;
  visibility: hidden; opacity: 0;
  transition: opacity 0.2s, visibility 0s 0.2s;
}
.dig-root span { display: inline-block; } /* wrap between phrases, not inside them */
.dig.open .dig-root { visibility: visible; opacity: 1; transition: opacity 0.4s 0.6s, visibility 0s; }
.btn.dig-btn { min-height: 52px; padding: 0 28px; font-size: 17px; }
.tagline { margin: 14px 0 0; font: 700 clamp(19px, 1.8vw, 24px)/1.4 var(--serif); letter-spacing: 0.08em; color: var(--ink-soft); }
.hero h1 { font-size: clamp(40px, 6.4vw, 84px); letter-spacing: 0.06em; line-height: 1.15; }
.lede { font-size: 17px; margin: 14px 0 0; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 0; }

/* 找植物: the search sits in the hero; matches drop in under it (src/names.js) */
.find { margin: 22px 0 0; }
.find label { display: block; margin: 0 0 6px; font-weight: 700; }
.find-box { position: relative; display: block; max-width: 460px; }
.find-box .i { position: absolute; left: 14px; top: 50%; translate: 0 -50%; color: var(--ink-soft); pointer-events: none; }
.find input {
  width: 100%; min-height: 52px; padding: 0 14px 0 44px;
  font: 17px/1.4 var(--sans); color: var(--ink);
  background: var(--paper); border: 1.5px solid var(--ink); border-radius: 6px;
}
.find input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.names-list.find-list { grid-template-columns: 1fr; max-width: 460px; margin-top: 10px; }
.find-list[hidden], .find-note:empty { display: none; }
.find-note { margin: 10px 0 0; max-width: 460px; }

.btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px;
  border: 1.5px solid var(--ink); border-radius: 6px; background: var(--paper);
  font-size: 15px; font-weight: 600; text-decoration: none;
}
.btn:hover { background: var(--paper-deep); text-decoration: none; }
.btn { gap: 8px; }
.btn .i { width: 18px; height: 18px; transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1); }
.btn:hover .i { transform: translateX(3px); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: #2c3949; }

/* ---------------- sections */
.home main > section { margin-top: 72px; }
.home main h2 { font-size: clamp(28px, 2.6vw, 34px); margin-bottom: 22px; letter-spacing: 0.04em; }
.num { margin: 0; font-size: 14px; color: var(--ink-soft); letter-spacing: 0.1em; }
.vs { color: var(--ink-soft); font-weight: 400; }

.feature-pair {
  display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  border: 1.5px solid var(--ink); border-radius: 10px; overflow: hidden; background: var(--paper);
}
.shot { display: block; border-right: 1.5px solid var(--ink); }
.shot img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pair-body { padding: 32px; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.pair-body h3 { font-size: 24px; line-height: 1.4; }
.pair-body h3 a { text-decoration: none; }
.nm { white-space: nowrap; }
.pair-body h3 a:hover { text-decoration: underline; }
.pair-body h3 i { font-weight: 400; font-size: 0.82em; }
.shot img { transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.shot { overflow: hidden; }
.feature-pair:hover .shot img { transform: scale(1.02); }
.badges { margin: 0; display: flex; gap: 6px; }
.badge {
  font-size: 13px; font-weight: 700; padding: 1px 7px; border-radius: 4px;
  border: 1.5px solid var(--ink);
}
.badge-ink { background: var(--ink); color: var(--paper); }
.diff-head { margin: 8px 0 0; font-weight: 700; }
.diff { margin: 0; padding: 0; list-style: none; }
.diff li { padding: 10px 0; border-top: 1px solid var(--line); }
.diff li:last-child { border-bottom: 1px solid var(--line); }
.more { margin: 8px 0 0; }

.soon { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.soon li {
  display: flex; align-items: baseline; gap: 14px; padding: 16px 20px;
  border: 1.5px dashed rgba(30, 39, 51, 0.38); border-radius: 10px; color: var(--ink-soft);
}
.soon-name { font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--ink); }
.soon .num { white-space: nowrap; flex-shrink: 0; }
.soon li.ready { position: relative; border-style: solid; border-color: var(--ink); background: var(--paper-deep); }
.soon li.ready a { text-decoration: none; }
.soon li.ready a::after { content: ""; position: absolute; inset: 0; border-radius: 10px; }
.soon li.ready:hover .soon-name { text-decoration: underline; text-underline-offset: 4px; }
.soon li.ready a:focus-visible { outline: none; }
.soon li.ready:has(a:focus-visible) { outline: 2px solid var(--ink); outline-offset: 3px; }
/* an open group reads as a link, not a status row: same arrow as the CTA */
.soon li.ready > .i { width: 18px; height: 18px; flex-shrink: 0; align-self: center; margin-left: auto; transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1); }
.soon li.ready:hover > .i { transform: translateX(3px); }
.vote-cta { margin: 18px 0 0; color: var(--ink-soft); }
.vote-cta a { margin-left: 8px; color: var(--ink); font-weight: 600; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.steps img {
  display: block; width: 100%; height: auto; aspect-ratio: 1200 / 757; object-fit: cover;
  border: 1.5px solid var(--ink); border-radius: 8px;
}
.steps h3 { font-size: 21px; margin: 14px 0 4px; display: flex; align-items: center; gap: 10px; }
.steps p { margin: 0; color: var(--ink-soft); }
.step-n {
  width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--ink);
  display: inline-grid; place-items: center; font: 600 14px/1 var(--sans);
}
.unseen-note {
  margin: 28px 0 0; padding: 14px 18px; border: 1.5px dotted var(--ink); border-radius: 8px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
}
.stamp {
  font-size: 13px; padding: 1px 8px; border: 1px dashed var(--ink); border-radius: 999px; white-space: nowrap;
}

.about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 48px; max-width: 1040px; }
.about-grid p { margin: 0; color: var(--ink-soft); }
.about-grid b { display: block; color: var(--ink); font-family: var(--serif); font-size: 18px; margin-bottom: 4px; }
.ref-inline { vertical-align: -1px; color: var(--ink-soft); }
.disclaimer { grid-column: 1 / -1; max-width: 40em; padding: 14px 16px; border: 1.5px solid var(--ink); border-radius: 8px; background: var(--paper-deep); }
.name-note {
  max-width: 1040px; margin: 28px 0 0; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 16px; color: var(--ink-soft);
}
.name-note b { color: var(--ink); font-family: var(--serif); margin-right: 10px; }
.disclaimer .warn-mark { width: 20px; height: 20px; vertical-align: -4px; margin-right: 8px; }

/* ---------------- 按名字找 (list written by tools/names.mjs) */
.names-lede { margin: 0 0 16px; max-width: 40em; color: var(--ink-soft); }
.names-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.names-list a {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px; height: 100%;
  min-height: 44px; padding: 12px 16px; box-sizing: border-box;
  border: 1.5px solid var(--line); border-radius: 8px; text-decoration: none;
}
.names-list a:hover { border-color: var(--ink); background: var(--paper-deep); }
.names-list a:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.names-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; }
.names-zh { font-family: var(--serif); font-size: 20px; }
.names-head i { font-size: 15px; color: var(--ink-soft); }
.names-aka { font-size: 15px; color: var(--ink-soft); }

/* ---------------- footer */
.home footer { margin-top: 72px; }

/* ---------------- tablet / phone */
@media (max-width: 900px) {
  .feature-pair { grid-template-columns: 1fr; }
  .shot { border-right: 0; border-bottom: 1.5px solid var(--ink); }
  .steps, .about-grid { grid-template-columns: 1fr; }
  .steps { gap: 32px; }
  .names-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .hero-text { grid-template-columns: minmax(0, 1fr); grid-template-rows: none; }
  .hero-text > .dig { grid-column: 1; grid-row: auto; max-width: 760px; margin: 24px 0 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .shot img { transition: none; }
  .dig-dug, .dig-root, .dig.open .dig-root { transition: none; }
}
@media (max-width: 640px) {
  .hero-text { padding: 28px 16px 36px; }
  .lede { font-size: 16px; }
  .dig-pic { margin-inline: -16px; } /* edge to edge: every px counts at this width */
  .dig-names { gap: 10px; }
  .dig-names b { font-size: 20px; }
  .dig-root { font-size: 16px; }
  .home main { padding: 0 16px; }
  .home main > section { margin-top: 56px; }
  .pair-body { padding: 20px 16px; }
  .pair-body h3 { font-size: 22px; }
  .soon { grid-template-columns: 1fr; }
  .names-list { grid-template-columns: 1fr; }
  .soon li { padding: 14px 16px; }
}