/* Matthew Alberts · original manhwa characters
   Archivo (variable width + weight, OFL) for everything set; Nanum Pen Script (OFL) for pencil notes only. */

@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "Nanum Pen";
  src: url("fonts/nanum-pen-latin.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --paper: oklch(0.968 0.012 92);
  --sheet: oklch(0.935 0.026 236);
  --dot: oklch(0.80 0.055 238);
  --ink: oklch(0.21 0.025 255);
  --ink-2: oklch(0.37 0.03 255);
  --blue: oklch(0.66 0.12 238);
  --blue-ink: oklch(0.46 0.14 252);
  --blue-deep: oklch(0.33 0.10 254);
  --night: oklch(0.155 0.02 160);
  --on-night: oklch(0.95 0.012 90);
  --on-night-2: oklch(0.82 0.015 90);
  --ember: oklch(0.71 0.185 44);
  --ember-hi: oklch(0.77 0.17 52);

  --gutter: clamp(16px, 4vw, 56px);
  --gap: clamp(20px, 2.6vw, 44px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --cond: 72%;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.1875rem/1.6 "Archivo", system-ui, sans-serif;
  font-stretch: 100%;
}
img { display: block; max-width: 100%; height: auto; }
p { margin: 0; text-wrap: pretty; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
a { color: inherit; }

.wrap { width: min(100% - 2 * var(--gutter), 1280px); margin-inline: auto; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 10;
  background: var(--ember); color: var(--ink); padding: 10px 14px; font-weight: 700;
}
.skip:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

/* ---------- buttons and links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  min-height: 52px; padding: 0.8em 1.35em;
  background: var(--ember); color: var(--ink);
  font-weight: 750; font-stretch: 88%; font-size: 1.125rem; letter-spacing: 0.005em;
  text-decoration: none; border-radius: 2px;
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { background: var(--ember-hi); transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

.link-quiet {
  display: inline-block; padding-block: 9px;
  color: var(--on-night); font-weight: 600; text-decoration: underline;
  text-decoration-thickness: 2px; text-underline-offset: 0.3em;
  text-decoration-color: oklch(0.95 0.012 90 / 0.45);
  transition: text-decoration-color 0.2s var(--ease);
}
.link-quiet:hover { text-decoration-color: var(--ember); }

/* ---------- header ---------- */
.top {
  position: absolute; inset: 0 0 auto 0; z-index: 3;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: clamp(14px, 2vw, 26px) var(--gutter);
  color: var(--on-night);
}
.mark {
  font-weight: 800; font-stretch: var(--cond); text-transform: uppercase;
  font-size: 1.25rem; letter-spacing: 0.02em; text-decoration: none;
  display: inline-block; padding-block: 8px;
}
.top-order {
  font-weight: 650; font-size: 1rem; text-decoration: none;
  padding: 0.55em 0.9em; border: 1.5px solid oklch(0.95 0.012 90 / 0.5); border-radius: 2px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.top-order:hover { border-color: var(--ember); background: oklch(0.71 0.185 44 / 0.12); }

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: max(100svh, 600px);
  display: grid; align-items: end;
  background: var(--night); color: var(--on-night);
  overflow: hidden;
}
.hero-art { position: absolute; inset: 0; margin: 0; z-index: -2; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 46% 28%; }
.hero .hero-art::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to top, oklch(0.155 0.02 160 / 0.95) 0%, oklch(0.155 0.02 160 / 0.55) 22%, oklch(0.155 0.02 160 / 0) 45%),
    linear-gradient(to right, oklch(0.155 0.02 160) 0%, oklch(0.155 0.02 160 / 0.55) 14%, oklch(0.155 0.02 160 / 0) 32%);
}
.hero-copy {
  width: min(100% - 2 * var(--gutter), 1280px); margin-inline: auto;
  padding-bottom: clamp(36px, 7vh, 88px);
}
.hero-kicker {
  font-family: "Nanum Pen", "Archivo", sans-serif; font-size: clamp(1.6rem, 2.4vw, 2.1rem); line-height: 1.1;
  color: var(--ember-hi); margin-bottom: 0.35em;
}
.hero h1 {
  font-weight: 850; font-stretch: var(--cond); text-transform: uppercase;
  font-size: clamp(2.75rem, 7.4vw, 7.25rem); line-height: 0.92; letter-spacing: -0.005em;
  max-width: 13ch;
}
.hero h1 span { display: block; }
.hero-lede {
  max-width: 46ch; margin-top: clamp(16px, 2vw, 26px);
  color: var(--on-night-2); font-size: clamp(1.125rem, 1.3vw, 1.3125rem); line-height: 1.65;
}
.hero-actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px;
  margin-top: clamp(22px, 3vw, 36px);
}
/* Desktop: the art sits right, the words sit on clean dark space left. (After the base rules on purpose.) */
@media (min-width: 700px) {
  .hero-art { left: 33vw; }
  .hero-art img { object-position: 60% 28%; }
  .hero-copy { width: min(100% - 2 * var(--gutter), 2400px); padding-top: clamp(96px, 12vh, 150px); }
  .hero-copy > * { max-width: clamp(300px, 31vw, 760px); }
  .hero h1 { font-size: clamp(2.6rem, 4.5vw, 9rem); }
  .hero-lede { font-size: clamp(1.125rem, 1.15vw, 1.75rem); }
}
/* Phone: picture on top, words below it, the order button inside the first screen. */
@media (max-width: 699px) {
  .hero { display: block; min-height: 0; }
  .hero-art { position: relative; inset: auto; z-index: 0; height: min(56svh, 112vw); }
  .hero-art img { object-position: 47% 30%; }
  .hero .hero-art::after {
    background: linear-gradient(to top, oklch(0.155 0.02 160) 0%, oklch(0.155 0.02 160 / 0) 34%);
  }
  .hero-copy { position: relative; z-index: 2; margin-top: -56px; padding-bottom: 56px; }
  .hero-kicker { font-size: 1.5rem; }
  .hero h1 { font-size: clamp(2.4rem, 11vw, 3.4rem); }
  .hero-lede { font-size: 1.125rem; line-height: 1.55; }
}

/* ---------- same face (signature) ---------- */
.same-face {
  --lead: clamp(84px, 8vw, 120px);
  --edge: max(var(--gutter), calc((100vw - 1280px) / 2));
  --h: clamp(300px, calc((100vw - 2 * var(--edge) - var(--lead) - 2 * var(--gap) - 24px) / 2.92), 560px);
  background-color: var(--sheet);
  background-image: radial-gradient(var(--dot) 1.3px, transparent 1.6px);
  background-size: 18px 18px;
  padding-block: clamp(72px, 11vw, 168px) clamp(56px, 8vw, 120px);
  overflow: hidden;
}
.same-head {
  display: grid; gap: 18px 56px; align-items: end;
  margin-bottom: clamp(40px, 6vw, 84px);
}
@media (min-width: 900px) { .same-head { grid-template-columns: 1fr 1fr; } }
.same-head h2, .cast h2, .packages h2, .how h2, .faq h2 {
  font-weight: 850; font-stretch: var(--cond); text-transform: uppercase;
  font-size: clamp(2.4rem, 5.2vw, 4.75rem); line-height: 0.95;
}
.same-head p { max-width: 44ch; color: var(--ink-2); }

.strip {
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: thin; scrollbar-color: var(--blue) transparent;
  cursor: grab; touch-action: pan-x pan-y;
}
.strip.dragging { cursor: grabbing; }
.strip.dragging * { user-select: none; }
.track {
  position: relative; display: flex; align-items: flex-start; gap: var(--gap);
  width: max-content;
  padding-inline: calc(var(--edge) + var(--lead)) var(--edge);
  padding-bottom: 8px;
}
.panel { margin: 0; flex: none; width: min-content; }
.panel img {
  height: var(--h); width: auto;
  border: 3px solid var(--ink); background: var(--paper);
}
.p-sheet { margin-top: calc(var(--h) * 0.246); }
.p-scene { margin-top: calc(var(--h) * 0.178); }
.p-close { margin-top: 0; }
.panel figcaption {
  margin-top: 12px; min-width: 9.5em;
  font-family: "Nanum Pen", "Archivo", sans-serif; font-size: 1.65rem; line-height: 1.1;
  color: var(--blue-ink);
}
.panel figcaption b { font-weight: 400; color: var(--ink); }

.eyeline {
  position: absolute; left: 0; right: 0; z-index: 2; pointer-events: none;
  top: calc(var(--h) * 0.35 + 3px);
  height: 2px; background: var(--blue);
  transform-origin: left center;
}
.eyeline-note {
  position: absolute; bottom: 6px; left: var(--edge);
  font-family: "Nanum Pen", "Archivo", sans-serif; font-size: 1.6rem; line-height: 1;
  color: var(--blue-ink); white-space: nowrap;
  background: var(--sheet); padding: 0 6px;
}
.strip-hint {
  margin-top: 18px;
  font-family: "Nanum Pen", "Archivo", sans-serif; font-size: 1.5rem; color: var(--blue-ink);
}
@media (min-width: 1100px) { .strip-hint { display: none; } }

/* ---------- cast ---------- */
.cast { padding-block: clamp(80px, 11vw, 168px); }
.cast-grid { display: grid; gap: 32px 64px; align-items: center; }
@media (min-width: 900px) { .cast-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); } }
.cast-copy p { margin-top: 20px; max-width: 38ch; color: var(--ink-2); }
.cast-copy .note {
  font-family: "Nanum Pen", "Archivo", sans-serif; font-size: 1.85rem; line-height: 1.05;
  color: var(--blue-ink); transform: rotate(-2deg); transform-origin: left;
  margin-top: 28px;
}
.cast-art { margin: 0; }
.cast-art img { width: 100%; border: 3px solid var(--ink); }

/* ---------- packages ---------- */
.packages { padding-block: clamp(40px, 6vw, 96px) clamp(80px, 10vw, 150px); }
.pk-list { list-style: none; margin: clamp(32px, 4vw, 56px) 0 0; padding: 0; }
.pk {
  display: grid; gap: 10px 28px; align-items: center;
  grid-template-columns: auto 1fr;
  padding-block: clamp(22px, 2.6vw, 34px);
  border-top: 2px solid var(--blue);
}
.pk:last-child { border-bottom: 2px solid var(--blue); }
.pk-num {
  grid-row: span 3;
  align-self: start;
  font-weight: 850; font-stretch: 62%; font-size: clamp(3rem, 6vw, 5.5rem); line-height: 0.8;
  color: var(--blue);
}
.pk-body h3 { font-weight: 800; font-stretch: 85%; font-size: clamp(1.5rem, 2.2vw, 2rem); line-height: 1.1; }
.pk-body p { margin-top: 6px; color: var(--ink-2); max-width: 52ch; }
.pk-meta { color: var(--ink-2); font-size: 1.0625rem; line-height: 1.45; }
.pk-go {
  justify-self: start;
  font-weight: 700; text-decoration: underline; text-decoration-thickness: 3px;
  text-underline-offset: 0.3em; text-decoration-color: var(--ember);
  padding-block: 8px;
  transition: color 0.2s var(--ease), text-decoration-color 0.2s var(--ease);
}
.pk-go:hover { color: var(--blue-ink); text-decoration-color: var(--blue-ink); }
@media (min-width: 900px) {
  .pk { grid-template-columns: 7.5rem minmax(0, 1fr) 11rem 11.5rem; }
  .pk-num { grid-row: auto; align-self: center; }
  .pk-go { justify-self: end; }
}
.pk-full .pk-body h3::after {
  content: "the whole model sheet";
  display: block; margin-top: 4px;
  font-family: "Nanum Pen", "Archivo", sans-serif; font-weight: 400; font-stretch: 100%;
  font-size: 1.5rem; color: var(--blue-ink);
}
.pk-foot { margin-top: 26px; max-width: 70ch; color: var(--ink-2); }

/* ---------- how it works ---------- */
.how { background: var(--blue-deep); color: var(--on-night); padding-block: clamp(80px, 10vw, 150px); }
.how-grid { display: grid; gap: 36px 64px; }
@media (min-width: 900px) { .how-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); align-items: start; } }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 30px; }
.steps li { display: grid; grid-template-columns: 3.4rem 1fr; gap: 18px; align-items: baseline; }
.step-n {
  font-family: "Nanum Pen", "Archivo", sans-serif; font-size: 3.4rem; line-height: 0.8; color: var(--ember-hi);
}
.steps p { font-size: clamp(1.25rem, 1.7vw, 1.6rem); line-height: 1.45; max-width: 34ch; }

/* ---------- faq ---------- */
.faq { padding-block: clamp(80px, 10vw, 150px); }
.faq-grid { display: grid; gap: 32px 64px; }
@media (min-width: 900px) { .faq-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); align-items: start; } }
.faq-list details { border-bottom: 1.5px solid oklch(0.66 0.12 238 / 0.55); }
.faq-list details:first-child { border-top: 1.5px solid oklch(0.66 0.12 238 / 0.55); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding-block: 20px; font-weight: 650; font-size: clamp(1.1875rem, 1.5vw, 1.375rem); line-height: 1.35;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; flex: none; font-weight: 400; font-size: 1.8rem; line-height: 1; color: var(--blue-ink);
  transition: transform 0.3s var(--ease);
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding-bottom: 22px; max-width: 62ch; color: var(--ink-2); }

/* ---------- end ---------- */
.end { background: var(--night); color: var(--on-night); padding-block: clamp(80px, 11vw, 160px) 40px; }
.end-grid { display: grid; gap: 28px; justify-items: start; }
.end-line {
  font-weight: 850; font-stretch: var(--cond); text-transform: uppercase;
  font-size: clamp(2.6rem, 7vw, 6.5rem); line-height: 0.92; max-width: 14ch;
}
.end-small { margin-top: clamp(40px, 6vw, 90px); color: var(--on-night-2); font-size: 1rem; line-height: 1.6; }

/* ---------- protection: the art can't be dragged or right-click saved ---------- */
.art:not(.hero-art) { position: relative; }
.art img { -webkit-user-drag: none; user-select: none; -webkit-touch-callout: none; }
.art::after { content: ""; position: absolute; inset: 0; }

/* ---------- motion (only when JS runs and motion is welcome) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .hero-art img { transform: scale(1.07); opacity: 0; transition: transform 2.2s var(--ease), opacity 1.2s var(--ease); }
  .js.loaded .hero-art img { transform: none; opacity: 1; }
  .js .hero h1 span, .js .hero-kicker, .js .hero-lede, .js .hero-actions {
    opacity: 0; transform: translateY(0.5em);
    transition: opacity 0.9s var(--ease), transform 1.1s var(--ease);
  }
  .js.loaded .hero-kicker { transition-delay: 0.25s; }
  .js.loaded .hero h1 span:nth-child(1) { transition-delay: 0.35s; }
  .js.loaded .hero h1 span:nth-child(2) { transition-delay: 0.5s; }
  .js.loaded .hero-lede { transition-delay: 0.7s; }
  .js.loaded .hero-actions { transition-delay: 0.85s; }
  .js.loaded .hero h1 span, .js.loaded .hero-kicker, .js.loaded .hero-lede, .js.loaded .hero-actions { opacity: 1; transform: none; }

  /* Signature: the panels start top-aligned (eyes all over the place), then settle onto the eye line as it draws. */
  .js .same-face .eyeline { transform: scaleX(0); transition: transform 1.3s var(--ease) 0.15s; }
  .js .same-face .p-sheet { transform: translateY(calc(var(--h) * -0.246)); }
  .js .same-face .p-scene { transform: translateY(calc(var(--h) * -0.178)); }
  .js .same-face .panel { transition: transform 1.2s var(--ease) 0.75s; }
  .js .same-face .p-scene { transition-delay: 0.9s; }
  .js .same-face .panel figcaption { opacity: 0; transition: opacity 0.6s var(--ease) 1.6s; }
  .js .same-face.in .eyeline { transform: none; }
  .js .same-face.in .panel { transform: none; }
  .js .same-face.in .panel figcaption { opacity: 1; }
}