/* 단잠랩 · danjamlab.com (v2, 2026-09-29)
   Colors come from the product: ivory PLA ground, ink black, cover yellow as the single accent.
   Headings in Nanum Myeongjo (letter-like), body in Pretendard. Small radius (6px), no glass, no drop shadows.
   One deliberate night block (the "why" section). System dark mode supported. */

:root {
  --bg: #f3f1ec;
  --bg-2: #eae7df;
  --surface: #fbfaf7;
  --ink: #17171a;
  --ink-2: #4a4a50;
  --ink-3: #7f7f86;
  --line: rgba(23, 23, 26, 0.13);
  --yellow: #f2c41d;
  --yellow-soft: rgba(242, 196, 29, 0.45);
  --night: #15161a;
  --night-ink: #eceae4;
  --night-ink-2: #b5b3ad;
  --r: 6px;
  --sec: clamp(4.5rem, 9vw, 8rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --serif: "Nanum Myeongjo", "Noto Serif KR", "AppleMyungjo", serif;
  --sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141417; --bg-2: #1b1b1f; --surface: #202025; --ink: #ecebe6; --ink-2: #b9b8b2; --ink-3: #8a8a90;
    --line: rgba(236, 235, 230, 0.13); --yellow-soft: rgba(242, 196, 29, 0.35); --night: #0d0d10;
  }
}
:root[data-theme="dark"] {
  --bg: #141417; --bg-2: #1b1b1f; --surface: #202025; --ink: #ecebe6; --ink-2: #b9b8b2; --ink-3: #8a8a90;
  --line: rgba(236, 235, 230, 0.13); --yellow-soft: rgba(242, 196, 29, 0.35); --night: #0d0d10;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.75; word-break: keep-all; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 800; letter-spacing: -0.03em; line-height: 1.28; text-wrap: balance; }
h1 { font-size: clamp(2rem, 3.4vw, 2.9rem); }
h2 { font-size: clamp(1.7rem, 3.1vw, 2.55rem); }
h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -0.015em; line-height: 1.4; }
p { margin: 0; }
figure { margin: 0; }
figcaption { font-size: 0.86rem; color: var(--ink-3); margin-top: 0.7rem; line-height: 1.55; }
mark { background: linear-gradient(transparent 58%, var(--yellow-soft) 58%, var(--yellow-soft) 92%, transparent 92%); color: inherit; padding: 0 0.05em; }
.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.lead { color: var(--ink-2); font-size: 1.08rem; max-width: 56ch; }
.eyebrow { display: flex; align-items: center; gap: 0.6rem; font-size: 0.82rem; font-weight: 600; color: var(--ink-2); margin-bottom: 1.1rem; letter-spacing: 0.01em; }
.eyebrow::before { content: ""; width: 18px; height: 3px; background: var(--yellow); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: var(--r); z-index: 100; }
.skip:focus { left: 8px; }
img { border-radius: var(--r); }
@media (max-width: 640px) { .wrap { width: min(1160px, 100% - 32px); } body { font-size: 16px; } }

/* ---------- buttons & links ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.85rem 1.4rem; border-radius: var(--r); font-weight: 700; font-size: 0.98rem; text-decoration: none; white-space: nowrap; transition: transform 0.3s var(--ease), background 0.3s var(--ease); }
.btn:active { transform: translateY(1px); }
.btn--ink { background: var(--ink); color: var(--bg); }
.btn--ink:hover { background: color-mix(in srgb, var(--ink) 85%, var(--yellow)); }
.btn--yellow { background: var(--yellow); color: #17171a; }
.btn--yellow:hover { background: #f5cf45; }
.link { font-weight: 600; text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 3px; text-underline-offset: 5px; }
.link:hover { text-decoration-color: var(--ink); }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 92%, transparent); border-bottom: 1px solid var(--line); }
.nav__inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.nav__brand { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--serif); font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; text-decoration: none; }
.nav__mark { width: 12px; height: 12px; border-radius: 50%; background: var(--yellow); box-shadow: inset -3px -2px 0 0 var(--bg); }
.nav__links { display: flex; gap: 1.7rem; font-size: 0.92rem; font-weight: 500; color: var(--ink-2); }
.nav__links a { text-decoration: none; }
.nav__links a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 2px; text-underline-offset: 6px; }
.nav__cta { font-size: 0.9rem; font-weight: 700; text-decoration: none; padding: 0.45rem 0.9rem; border-radius: var(--r); background: var(--ink); color: var(--bg); }
@media (max-width: 860px) { .nav__links { display: none; } }

/* ---------- hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero__grid { display: grid; grid-template-columns: 11fr 12fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero__copy .lead { margin-top: 1.4rem; }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; margin-top: 2rem; }
.hero__media img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } .hero__media { order: -1; } }

/* ---------- facts ---------- */
.facts { padding-bottom: 1rem; }
.facts__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.facts__list li { padding: 1rem 1.2rem 1rem 0; display: grid; gap: 0.1rem; }
.facts__list strong { font-weight: 700; }
.facts__list span { color: var(--ink-3); font-size: 0.9rem; }
@media (max-width: 860px) { .facts__list { grid-template-columns: 1fr 1fr; } }

/* ---------- about ---------- */
.about { padding: var(--sec) 0; }
.about__grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.about__def { margin: 2rem 0 0; display: grid; gap: 0; }
.about__def > div { padding: 1.3rem 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem; }
.about__def > div:last-child { border-bottom: 1px solid var(--line); }
.about__def dt { font-family: var(--serif); font-weight: 800; font-size: 1.1rem; }
.about__def dd { margin: 0; color: var(--ink-2); font-size: 0.98rem; }
@media (max-width: 900px) { .about__grid { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .about__def > div { grid-template-columns: 1fr; gap: 0.3rem; } }

/* ---------- why (night block) ---------- */
.why { background: var(--night); color: var(--night-ink); padding: var(--sec) 0; }
.why .lead { color: var(--night-ink-2); margin-top: 1.3rem; max-width: 62ch; }
.why__time { font-family: var(--serif); font-weight: 800; font-size: 1rem; color: var(--yellow); letter-spacing: 0.04em; margin-bottom: 0.9rem; }
.why__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 5vw, 4.5rem); margin-top: 3rem; align-items: center; }
.why__graph img { background: #fff; }
.why__graph figcaption { color: #8e8c86; }
.why__chain { list-style: none; margin: 0; padding: 0; counter-reset: c; display: grid; gap: 1.3rem; }
.why__chain li { counter-increment: c; position: relative; padding-left: 2.6rem; color: var(--night-ink-2); }
.why__chain li::before { content: counter(c, decimal-leading-zero); position: absolute; left: 0; top: 0.12rem; font-family: var(--serif); font-weight: 800; color: var(--yellow); }
.why__chain strong { color: var(--night-ink); }
@media (max-width: 900px) { .why__grid { grid-template-columns: 1fr; } }

/* ---------- how ---------- */
.how { padding: var(--sec) 0; }
.how__grid { display: grid; grid-template-columns: 7fr 3fr; grid-template-areas: "diagram inside" "list list"; gap: 1.5rem clamp(1.5rem, 3vw, 2.5rem); margin-top: 2.5rem; }
.how__diagram { grid-area: diagram; }
.how__diagram img { background: var(--bg-2); }
.how__inside { grid-area: inside; }
.how__inside img { aspect-ratio: 3 / 4; object-fit: cover; }
.how__list { grid-area: list; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 1rem; }
.how__list article { border-top: 1px solid var(--ink); padding-top: 1.1rem; }
.how__idx { display: block; font-family: var(--serif); font-weight: 800; color: var(--ink-3); margin-bottom: 0.5rem; }
.how__list h3 { margin-bottom: 0.45rem; }
.how__list p { color: var(--ink-2); font-size: 0.98rem; }
@media (max-width: 900px) {
  .how__grid { grid-template-columns: 1fr; grid-template-areas: "diagram" "inside" "list"; }
  .how__inside img { aspect-ratio: 4 / 3; }
  .how__list { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ---------- lineup ---------- */
.lineup { padding: var(--sec) 0; background: var(--bg-2); }
.lineup .lead { margin-top: 1.1rem; }
.models { display: grid; grid-template-columns: 6fr 5fr; grid-template-rows: auto auto; gap: 1.25rem; margin-top: 2.5rem; }
.model { background: var(--surface); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; border: 1px solid var(--line); }
.model img { border-radius: 0; aspect-ratio: 1 / 1; object-fit: cover; }
.model--feature { grid-row: span 2; }
.model--feature img { flex: 1; aspect-ratio: auto; height: 100%; }
.model__body { padding: 1.1rem 1.2rem 1.3rem; }
.model__body h3 { font-family: var(--serif); font-weight: 800; font-size: 1.35rem; }
.model__body h3 span { font-family: var(--sans); font-weight: 500; color: var(--ink-3); font-size: 0.9rem; margin-left: 0.4rem; }
.model__body p { color: var(--ink-2); margin-top: 0.4rem; font-size: 0.97rem; }
@media (min-width: 901px) {
  .model:not(.model--feature) { flex-direction: row; }
  .model:not(.model--feature) img { width: 44%; flex: none; aspect-ratio: auto; height: 100%; }
  .model:not(.model--feature) .model__body { align-self: center; }
}
.colors { margin-top: 2.5rem; display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center; }
.colors__imgs { display: grid; grid-template-columns: repeat(3, 120px); gap: 0.6rem; }
.colors__imgs img { aspect-ratio: 1 / 1; object-fit: cover; }
.colors p { color: var(--ink-2); max-width: 36ch; }
.lineup__note { margin-top: 1.8rem; color: var(--ink-3); font-size: 0.9rem; }
@media (max-width: 900px) {
  .models { grid-template-columns: 1fr; }
  .model--feature { grid-row: auto; }
  .model--feature img { aspect-ratio: 1 / 1; }
  .colors { grid-template-columns: 1fr; }
  .colors__imgs { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- steps ---------- */
.steps { padding: var(--sec) 0; }
.steps__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.steps__track { list-style: none; margin: 2rem 0 0; padding: 0; }
.steps__track li { display: grid; grid-template-columns: 2.8rem 1fr; gap: 0.6rem; padding: 1rem 0; border-top: 1px solid var(--line); }
.steps__track li:last-child { border-bottom: 1px solid var(--line); }
.steps__num { font-family: var(--serif); font-weight: 800; color: var(--ink-3); }
.steps__track p { color: var(--ink-2); font-size: 0.99rem; }
.steps__media img { aspect-ratio: 4 / 5; object-fit: cover; }
@media (max-width: 900px) { .steps__grid { grid-template-columns: 1fr; } .steps__media img { aspect-ratio: 1 / 1; } }

/* ---------- maker ---------- */
.maker { padding: var(--sec) 0; background: var(--bg-2); }
.maker__grid { display: grid; grid-template-columns: 6fr 5fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.maker__prose { margin-top: 1.6rem; display: grid; gap: 1.05rem; color: var(--ink-2); max-width: 56ch; }
.maker__open { font-size: 1.12rem; color: var(--ink); font-weight: 500; }
.maker__close { color: var(--ink); font-weight: 600; padding-left: 1rem; border-left: 3px solid var(--yellow); }
.maker__photos { display: grid; gap: 1.2rem; }
.maker__a img { aspect-ratio: 1 / 1; object-fit: cover; }
.maker__b img { aspect-ratio: 16 / 10; object-fit: cover; }
@media (max-width: 900px) { .maker__grid { grid-template-columns: 1fr; } .maker__photos { grid-template-columns: 1fr 1fr; } .maker__a img, .maker__b img { aspect-ratio: 1 / 1; } }

/* ---------- timeline ---------- */
.timeline { padding: var(--sec) 0; }
.timeline__list { list-style: none; margin: 2.2rem 0 0; padding: 0; }
.timeline__list li { display: grid; grid-template-columns: 170px 1fr; gap: 1.5rem; padding: 1.3rem 0; border-top: 1px solid var(--line); }
.timeline__list li:last-child { border-bottom: 1px solid var(--line); }
.timeline__list time { font-family: var(--serif); font-weight: 800; font-size: 1.15rem; }
.timeline__list strong { display: block; margin-bottom: 0.2rem; }
.timeline__list p { color: var(--ink-2); font-size: 0.97rem; max-width: 62ch; }
@media (max-width: 640px) { .timeline__list li { grid-template-columns: 1fr; gap: 0.3rem; } }

/* ---------- vision ---------- */
.vision { padding: var(--sec) 0; background: var(--bg-2); }
.vision__rows { margin-top: 2.5rem; border-top: 1px solid var(--ink); }
.vision__row { display: grid; grid-template-columns: 5fr 7fr; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.vision__row h3 { font-family: var(--serif); font-weight: 800; font-size: 1.2rem; }
.vision__row p { color: var(--ink-2); max-width: 60ch; }
@media (max-width: 760px) { .vision__row { grid-template-columns: 1fr; gap: 0.4rem; } }

/* ---------- faq ---------- */
.faq { padding: var(--sec) 0; }
.faq__grid { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.faq__list { border-top: 1px solid var(--ink); }
.faq__list details { border-bottom: 1px solid var(--line); }
.faq__list summary { cursor: pointer; padding: 1.1rem 2.2rem 1.1rem 0; font-weight: 600; list-style: none; position: relative; }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { content: "+"; position: absolute; right: 0.3rem; top: 50%; transform: translateY(-50%); font-size: 1.3rem; font-weight: 400; color: var(--ink-3); transition: transform 0.3s var(--ease); }
.faq__list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__list details p { color: var(--ink-2); padding: 0 0 1.2rem; max-width: 66ch; font-size: 0.97rem; }
@media (max-width: 900px) { .faq__grid { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- cta ---------- */
.cta { padding: 0 0 var(--sec); }
.cta__grid { display: grid; grid-template-columns: 4fr 7fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; border-top: 1px solid var(--ink); padding-top: clamp(2.5rem, 5vw, 4rem); }
.cta__media img { aspect-ratio: 4 / 5; object-fit: cover; }
.cta__copy p { color: var(--ink-2); margin: 1rem 0 1.8rem; max-width: 44ch; }
@media (max-width: 760px) { .cta__grid { grid-template-columns: 1fr; } .cta__media img { aspect-ratio: 4 / 3; } }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 2.8rem 0 2.4rem; color: var(--ink-2); font-size: 0.94rem; }
.footer__inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer__brand { font-family: var(--serif); font-weight: 800; color: var(--ink); font-size: 1.15rem; margin-bottom: 0.3rem; }
.footer__links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer__links a { text-decoration: none; }
.footer__links a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 2px; }
.footer__legal { margin-top: 2rem; font-size: 0.83rem; color: var(--ink-3); display: grid; gap: 0.3rem; }

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
  .reveal--delay { transition-delay: 0.1s; }
  .reveal--delay2 { transition-delay: 0.2s; }
  .reveal.is-in { opacity: 1; transform: none; }
}

/* ---------- v2.1 additions ---------- */
/* Grid tracks never grow from content (a broken image's alt text once squeezed a heading). */
.hero__grid { grid-template-columns: minmax(0, 11fr) minmax(0, 12fr); }
.about__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
.why__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.how__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); }
.models { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
.steps__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.maker__grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
.faq__grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
.cta__grid { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); }
@media (max-width: 900px) {
  .hero__grid, .about__grid, .why__grid, .models, .steps__grid, .maker__grid, .faq__grid { grid-template-columns: minmax(0, 1fr); }
  .how__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) { .cta__grid { grid-template-columns: minmax(0, 1fr); } }
img { background: var(--bg-2); font-size: 0.8rem; color: var(--ink-3); overflow: hidden; }

.nav__lang { font-size: 0.85rem; font-weight: 700; text-decoration: none; color: var(--ink-2); padding: 0.4rem 0.55rem; border: 1px solid var(--line); border-radius: var(--r); }
.nav__lang:hover { color: var(--ink); border-color: var(--ink); }
.nav__inner { gap: 1rem; }
.nav__links { margin-left: auto; margin-right: 0.5rem; }
@media (max-width: 860px) { .nav__lang { margin-left: auto; } }

.model--next { background: transparent; border: 1px dashed var(--ink-3); justify-content: center; }
.model--next .model__body { padding: 1.6rem 1.5rem; }
.model__tag { display: inline-block; font-size: 0.78rem; font-weight: 700; color: #17171a; background: var(--yellow); padding: 0.15rem 0.5rem; border-radius: 3px; margin-bottom: 0.6rem !important; }
.model--next h3 { font-family: var(--serif); font-weight: 800; font-size: 1.35rem; }

html[lang="en"] { --serif: "Source Serif 4", Georgia, "Times New Roman", serif; }
html[lang="en"] body { word-break: normal; overflow-wrap: break-word; }
html[lang="en"] h1, html[lang="en"] h2 { letter-spacing: -0.02em; font-weight: 700; }

.model__body .model__tag { color: #17171a; }