/* zerocal — 「형광펜」 design tokens (mirrors zerocal/Utilities/Theme.swift) */
:root {
  --paper: #FBFAF6; --surface: #FFFFFF; --surface2: #F2F0EA;
  --ink: #1C1B19; --ink2: #69655D; --hairline: #E9E6DE;
  --hl: #D6F04A; --hl-wash: #EEF5BF; --deep: #6F7F1F; --on-hl: #1C1B19;
  --sunday: #C4362C; --saturday: #2D59BA;
  --shadow: 0 1px 2px rgba(28,27,25,.05), 0 12px 32px rgba(28,27,25,.08);
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", "Noto Sans KR", Roboto, sans-serif;
  --radius: 22px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #131311; --surface: #1E1D1A; --surface2: #2A2925;
    --ink: #F3F1EA; --ink2: #A7A399; --hairline: #2A2925;
    --hl-wash: #3F4420; --deep: #C3DA45;
    --sunday: #FF7D70; --saturday: #8AA8FF;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.6 var(--sans);
  word-break: keep-all; overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand span { font: 600 22px/1 var(--serif); letter-spacing: -.01em; }
.nav { display: flex; gap: 20px; font-size: 15px; color: var(--ink2); }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink); }
@media (max-width: 640px) { .nav .opt { display: none; } }

/* highlighter */
mark, .hl {
  color: var(--on-hl); background: var(--hl); padding: 0 .08em; border-radius: 2px;
}
.demo mark {
  background: linear-gradient(var(--hl), var(--hl)) no-repeat left / 0% 100%;
  color: inherit; transition: background-size .35s ease, color .35s ease;
}
.demo mark.on { background-size: 100% 100%; color: var(--on-hl); }

/* hero */
.hero { display: grid; gap: 48px; padding-block: 40px 72px; align-items: center; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.05fr 1fr; padding-block: 72px 96px; } }
.eyebrow { color: var(--ink2); font-size: 15px; margin: 0 0 14px; }
h1 {
  text-wrap: balance;
  font: 400 clamp(44px, 7vw, 76px)/1.02 var(--serif); letter-spacing: -.025em; margin: 0 0 22px;
}
.lead { font-size: 19px; color: var(--ink2); max-width: 32em; margin: 0 0 30px; }
.lead strong { color: var(--ink); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.store {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 999px;
  background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 600; font-size: 16px;
}
@media (max-width: 480px) { .store { border-radius: 18px; font-size: 15px; } }
.meta { color: var(--ink2); font-size: 14px; }

/* demo card (mirrors the in-app quick add) */
.demo {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; max-width: 460px; width: 100%; justify-self: center;
}
.day { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.day b { font: 400 52px/1 var(--serif); }
.day span { color: var(--ink2); font-size: 15px; line-height: 1.3; }
.day span strong { color: var(--ink); display: block; font-size: 18px; }
.day em { font-style: normal; }
.rows { border-top: 1px solid var(--hairline); padding-top: 6px; margin-bottom: 18px; }
.row { display: grid; grid-template-columns: 58px 3px 1fr auto; gap: 12px; align-items: center; padding: 9px 4px; font-size: 16px; }
.row time { color: var(--ink2); font-size: 14px; font-variant-numeric: tabular-nums; }
.row i { width: 3px; height: 26px; border-radius: 2px; background: var(--deep); }
.row.new { background: var(--hl-wash); border: 1.5px dashed var(--deep); border-radius: 8px; opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
.row.new.show { opacity: 1; transform: none; }
.row.new time { color: var(--ink); font-weight: 600; }
.badge { font-size: 12px; font-weight: 700; background: var(--ink); color: var(--paper); border-radius: 6px; padding: 2px 7px; }
.warn { color: var(--sunday); font-size: 13px; min-height: 20px; margin: -6px 0 10px; opacity: 0; transition: opacity .3s; }
.warn.show { opacity: 1; }
.input {
  border-top: 1px solid var(--hairline); padding-top: 16px;
  font-size: 21px; min-height: 36px; white-space: nowrap; overflow: hidden;
}
.caret { display: inline-block; width: 2px; height: 1.05em; background: var(--ink); vertical-align: -3px; margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; min-height: 36px; }
.pill { background: var(--hl-wash); border-radius: 999px; padding: 6px 13px; font-size: 14px; font-weight: 500; opacity: 0; transition: opacity .3s; }
.pill.off { background: var(--surface2); }
.pill.show { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .demo mark, .row.new, .pill, .warn { transition: none; }
  .caret { animation: none; }
}

/* sections */
section { padding: 72px 0; border-top: 1px solid var(--hairline); }
h2 { text-wrap: balance; font: 400 clamp(32px, 4.6vw, 46px)/1.1 var(--serif); letter-spacing: -.02em; margin: 0 0 14px; }
.sub { color: var(--ink2); font-size: 18px; max-width: 36em; margin: 0 0 40px; }

.shots { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.shots figure { margin: 0; scroll-snap-align: start; }
.shots img { border-radius: 26px; box-shadow: var(--shadow); background: var(--surface); aspect-ratio: 660/1434; width: 100%; height: auto; }
.shots figcaption { margin-top: 12px; font-size: 15px; color: var(--ink2); }
.shots figcaption b { color: var(--ink); font-weight: 600; display: block; }

.grid3 { display: grid; gap: 28px; }
@media (min-width: 800px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.feat h3 { font-size: 20px; margin: 0 0 8px; }
.feat p { margin: 0; color: var(--ink2); }
.feat .n { font: 400 40px/1 var(--serif); display: block; margin-bottom: 12px; }
.also { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 44px; padding: 0; list-style: none; }
.also li { background: var(--surface2); border-radius: 999px; padding: 7px 14px; font-size: 15px; }

.plans { display: grid; gap: 20px; }
@media (min-width: 760px) { .plans { grid-template-columns: 1fr 1fr; } }
.plan { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 28px; }
.plan h3 { font: 400 30px/1 var(--serif); margin: 0 0 6px; }
.plan .price { color: var(--ink2); margin: 0 0 18px; font-size: 15px; }
.plan ul { margin: 0; padding-left: 1.1em; }
.plan li { margin: 6px 0; }
.plan .later { margin-top: 16px; font-size: 14px; color: var(--ink2); }

.privacy-band { text-align: center; }
.privacy-band h2 { max-width: 14em; margin-left: auto; margin-right: auto; }
.privacy-band p { color: var(--ink2); max-width: 34em; margin: 0 auto 20px; }
.textlink { font-weight: 600; text-underline-offset: 3px; }

/* footer */
footer { border-top: 1px solid var(--hairline); padding: 32px 0 48px; color: var(--ink2); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* document pages (privacy, support) */
.doc { max-width: 760px; padding-block: 32px 72px; }
.doc h1 { font-size: clamp(36px, 6vw, 52px); margin-bottom: 8px; }
.doc .date { color: var(--ink2); margin: 0 0 28px; }
.doc h2 { text-wrap: balance; font: 600 20px/1.3 var(--sans); letter-spacing: 0; margin: 40px 0 10px; }
.doc p, .doc li { color: var(--ink); }
.doc .card { background: var(--surface); border: 1px solid var(--hairline); border-radius: 16px; padding: 18px 20px; margin: 24px 0; }
.doc table { width: 100%; border-collapse: collapse; font-size: 16px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 12px 10px 12px 0; border-bottom: 1px solid var(--hairline); }
.doc th { white-space: nowrap; color: var(--ink2); font-weight: 600; padding-right: 16px; }
@media (max-width: 560px) { .doc th, .doc td { display: block; padding: 6px 0; border: 0; } .doc tr { display: block; border-bottom: 1px solid var(--hairline); padding: 8px 0; } }
.doc details { border-bottom: 1px solid var(--hairline); padding: 14px 0; }
.doc summary { font-weight: 600; cursor: pointer; font-size: 18px; list-style: none; }
.doc summary::-webkit-details-marker { display: none; }
.doc summary::after { content: "+"; float: right; color: var(--ink2); font-weight: 400; }
.doc details[open] summary::after { content: "–"; }
.doc details p { margin: 10px 0 0; color: var(--ink2); }
.doc a { text-underline-offset: 3px; }
.contact { margin-top: 40px; background: var(--surface); border-radius: var(--radius); padding: 24px; border: 1px solid var(--hairline); }
.contact a { font-weight: 600; font-size: 19px; }