/* =========================================================
   LANDING PAGE
   ========================================================= */
:root { --gut: clamp(1rem, 4vw, 2.5rem); }
html, body { overflow-x: clip; }
.wrap { width: min(1240px, 100% - 2 * var(--gut)); margin-inline: auto; }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 200;
  background: var(--ink-black); color: var(--paper); padding: .7rem 1rem;
  font: 700 .85rem/1 var(--f-mono); text-decoration: none;
}
.skip:focus { top: 1rem; }

/* ---------- masthead ---------- */
.masthead {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 0 .9rem; border-bottom: 6px double var(--ink-black);
}
.logo {
  display: inline-flex; align-items: center; gap: .6rem; color: inherit; text-decoration: none;
  font: 800 1.15rem/1 var(--f-display); font-stretch: 80%; text-transform: uppercase; letter-spacing: .02em;
}
.logo-mark { width: 34px; height: 34px; display: block; }
.issue { margin: 0; font: 400 .78rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; text-align: right; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
  padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem);
}
.eyebrow {
  display: inline-block; margin: 0 0 1.25rem; padding: .45em .7em .4em;
  background: var(--ink-black); color: var(--paper);
  font: 700 .75rem/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .1em;
}
.hero h1 {
  margin: 0 0 1.5rem;
  font-family: var(--f-display); font-weight: 800; font-stretch: 75%;
  font-size: clamp(4.2rem, 11.5vw, 10rem); line-height: .84; letter-spacing: .01em; text-transform: uppercase;
}
/* Hero title: crisp solid ink-B letters, printed over an offset
   halftone "shadow" plate in ink A. The dots read as print texture,
   while the letters on top stay sharp and fully readable. */
.misreg { position: relative; isolation: isolate; }
.misreg span { display: block; }
.misreg .plate-a {
  position: absolute; inset: 0; z-index: -1;
  transform: translate(max(.055em, 7px), max(.05em, 7px)); user-select: none; pointer-events: none;
  color: transparent;
  background-image: radial-gradient(var(--a) 0 2.2px, transparent 2.7px);
  background-size: 6px 6px;
  -webkit-background-clip: text; background-clip: text;
}
.misreg .plate-b { color: var(--b); }
@media (forced-colors: active) { .misreg .plate-a { display: none; } }
.lede { max-width: 36ch; margin: 0 0 1.9rem; font-size: clamp(1.1rem, 1.5vw, 1.28rem); line-height: 1.45; }
.cta-row { display: flex; flex-wrap: wrap; gap: 1rem 1.1rem; align-items: center; }
.hand-note {
  margin: 1.4rem 0 0; color: var(--b); rotate: -2deg; transform-origin: left;
  font: 700 1.7rem/1 var(--f-hand);
}

.hero-art { position: relative; width: 100%; max-width: 520px; justify-self: center; }
.sticker {
  position: absolute; right: -3%; bottom: 2%; width: clamp(118px, 30%, 158px); aspect-ratio: 1;
  display: grid; place-items: center; border-radius: 50%; rotate: 12deg;
  background: var(--ink-yellow); box-shadow: 3px 5px 0 rgba(35, 31, 32, .2);
}
.sticker .ring { position: absolute; inset: 5%; width: 90%; height: 90%; animation: spin 28s linear infinite; }
.sticker .ring text { font: 700 10.5px var(--f-mono); letter-spacing: .14em; fill: var(--ink-black); text-transform: uppercase; }
.sticker .c { text-align: center; font: 800 2.8rem/.8 var(--f-display); font-stretch: 75%; }
.sticker .c small { display: block; margin-top: .3rem; font: 700 .62rem/1.1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; }

/* ---------- how it works ---------- */
.how { padding-block: clamp(1rem, 3vw, 2rem); }
.section-label {
  display: flex; align-items: center; gap: .9rem; margin: 0 0 1.25rem;
  font: 700 .8rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .12em;
}
.section-label::after { content: ""; flex: 1; border-top: 2px dashed var(--rule); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.steps li { padding: 1.25rem 1.3rem 1.4rem; border: 2px solid var(--ink-black); background: var(--paper); }
.steps li:nth-child(2) { --a: var(--ink-sunflower); --b: var(--ink-purple); }
.steps li:nth-child(3) { --a: var(--ink-orange); --b: var(--ink-forest); }
.num { display: block; font: 800 3.6rem/.8 var(--f-display); font-stretch: 75%; }
.steps h3 { margin: .7rem 0 .35rem; font: 800 1.4rem/1.1 var(--f-display); font-stretch: 90%; }
.steps p { margin: 0; font-size: 1rem; line-height: 1.45; }

/* ---------- catalog ---------- */
.catalog { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3rem, 6vw, 5rem); scroll-margin-top: 1rem; }
.catalog-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: .75rem 2rem; margin-bottom: 1.4rem; }
.big { margin: 0; font: 800 clamp(2.8rem, 6.5vw, 5rem)/.82 var(--f-display); font-stretch: 75%; text-transform: uppercase; }
.catalog-head p { max-width: 40ch; margin: 0; }

/* suggested route */
.route { list-style: none; margin: 0 0 2.75rem; padding: 0; display: flex; flex-wrap: wrap; align-items: center; row-gap: .6rem; }
.route li { display: flex; align-items: center; }
.route li + li::before { content: ""; width: clamp(.9rem, 2.5vw, 2.2rem); margin-inline: .35rem; border-top: 2px dashed var(--ink-black); opacity: .45; }
.route button {
  display: inline-flex; align-items: center; gap: .55rem; cursor: pointer; color: inherit;
  padding: .5rem .85rem .5rem .55rem; border: 2px solid var(--ink-black); border-radius: 999px; background: var(--paper);
  font: 700 .8rem/1 var(--f-mono); letter-spacing: .04em; transition: background-color .15s ease;
}
.route button:hover { background: color-mix(in srgb, var(--a) 25%, var(--paper)); }
.route .dot { position: relative; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--ink-black); background: var(--paper); overflow: hidden; }
.route .is-progress .dot { background: linear-gradient(90deg, var(--a) 50%, var(--paper) 50%); }
.route .is-done .dot { background: var(--a); }
.route .rt { font: 600 .98rem/1 var(--f-body); letter-spacing: 0; }

/* course cards = zine covers */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: clamp(2rem, 3.5vw, 2.75rem) clamp(1.4rem, 2.5vw, 2.1rem); }

.course {
  position: relative; isolation: isolate; display: flex; flex-direction: column;
  rotate: var(--rot, 0deg);
  transition: rotate .4s var(--ease-pop), translate .4s var(--ease-pop);
  animation: printIn .7s var(--ease-pop) backwards; animation-delay: calc(var(--i, 0) * 90ms + 120ms);
}
/* halftone "shadow" printed in ink B */
.course::before {
  content: ""; position: absolute; inset: 0; z-index: -1; translate: 9px 10px;
  background-image: radial-gradient(var(--b) 0 1.7px, transparent 2.2px); background-size: 6px 6px;
  transition: translate .4s var(--ease-pop);
}
.course:hover, .course:focus-within { rotate: 0deg; translate: 0 -6px; }
.course:hover::before, .course:focus-within::before { translate: 14px 16px; }
.course:has(.stretch:focus-visible) { outline: 3px solid var(--ink-black); outline-offset: 8px; }
.course > .tape { top: -13px; left: 50%; translate: -50% 0; rotate: calc(var(--rot, 0deg) * -4); }
@keyframes printIn { from { opacity: 0; transform: translateY(28px) scale(.96); } }

.cover {
  position: relative; padding: .9rem 1rem .6rem;
  border: 2px solid var(--ink-black); border-bottom-width: 0;
  background-color: var(--paper);
  background-image: radial-gradient(color-mix(in srgb, var(--a) 75%, transparent) 0 1.25px, transparent 1.75px);
  background-size: 5px 5px;
}
.cover-top { display: flex; justify-content: space-between; align-items: center; gap: .5rem; font: 700 .72rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; }
.cover-top .code { background: var(--ink-black); color: var(--paper); padding: .4em .55em .35em; }
.cover-top .lvl { background: var(--paper); border: 1.5px solid var(--ink-black); padding: .3em .5em .25em; }
.cover .art { padding: .6rem .2rem .2rem; }
.cover .stamp { position: absolute; right: .75rem; bottom: .8rem; background: var(--paper); }

.info {
  flex: 1; display: flex; flex-direction: column; gap: .55rem;
  padding: 1rem 1.1rem 1.1rem; border: 2px solid var(--ink-black); background: var(--paper);
}
.course-title { margin: 0; font: 800 clamp(2rem, 2.5vw, 2.35rem)/.9 var(--f-display); font-stretch: 75%; text-transform: uppercase; }
.stretch { all: unset; cursor: pointer; }
.stretch::after { content: ""; position: absolute; inset: 0; z-index: 5; }
.tag { margin: 0; font-size: 1rem; line-height: 1.38; }
.meta { display: flex; flex-wrap: wrap; gap: .4rem; margin: auto 0 0; padding: .5rem 0 0; }
.meta span { font: 700 .68rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; border: 1.5px solid var(--ink-black); border-radius: 999px; padding: .4em .6em .35em; }
.bar { height: 10px; border: 2px solid var(--ink-black); background: var(--paper); }
.bar i { display: block; height: 100%; background: var(--a); }
.bar-label { margin: -.2rem 0 0; font: 400 .72rem/1.2 var(--f-mono); }
.more {
  display: inline-flex; align-items: center; gap: .45rem; margin-top: .25rem;
  font: 700 .78rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .06em;
}
.more .arrow { transition: translate .25s var(--ease-pop); }
.course:hover .more .arrow { translate: 5px 0; }

/* ---------- syllabus dialog ---------- */
.syllabus {
  width: min(1040px, 100vw - 2rem); max-width: none; max-height: calc(100dvh - 2rem);
  padding: 0; border: 0; background: transparent; color: inherit; overflow: visible;
}
.syllabus::backdrop { background: rgba(35, 31, 32, .55); backdrop-filter: blur(3px); }
.syllabus[open] .sheet { animation: sheetIn .5s var(--ease-pop); }
@keyframes sheetIn { from { opacity: 0; transform: translateY(30px) rotate(-1.5deg) scale(.97); } }
body:has(.syllabus[open]) { overflow: hidden; }

.sheet {
  position: relative; display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  max-height: calc(100dvh - 2rem); overflow: auto; overscroll-behavior: contain;
  background: var(--paper); border: 2px solid var(--ink-black); box-shadow: 12px 12px 0 var(--b);
}
.sheet::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: var(--grain); opacity: .3; mix-blend-mode: multiply; }
.close {
  position: absolute; top: -14px; right: -14px; z-index: 3; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer; color: var(--ink-black);
  background: var(--ink-yellow); border: 2px solid var(--ink-black); font: 700 1.6rem/1 var(--f-mono);
  transition: rotate .3s var(--ease-pop);
}
.close:hover { rotate: 90deg; }

.sheet-art {
  display: flex; flex-direction: column; gap: 1.5rem; padding: 2rem 1.6rem;
  border-right: 2px solid var(--ink-black);
  background-color: var(--paper);
  background-image: radial-gradient(color-mix(in srgb, var(--a) 75%, transparent) 0 1.25px, transparent 1.75px);
  background-size: 5px 5px;
}
.sheet-art .big-code { font: 800 clamp(3.6rem, 6vw, 5.2rem)/.8 var(--f-display); font-stretch: 75%; }
.sheet-art .art { position: sticky; top: 2rem; }

.sheet-body { padding: clamp(1.6rem, 3.5vw, 2.6rem); }
.sheet-body .eyebrow { margin-bottom: 1rem; }
.syl-title { margin: 0 0 .8rem; font: 800 clamp(2.8rem, 5.5vw, 4.4rem)/.84 var(--f-display); font-stretch: 75%; text-transform: uppercase; }
.syl-tag { margin: 0 0 1rem; font: 700 1.6rem/1.05 var(--f-hand); }
.summary { margin: 0; max-width: 60ch; }
.label { margin: 1.7rem 0 .75rem; font: 700 .75rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; }

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.checks li { position: relative; padding-left: 2rem; line-height: 1.4; }
.checks li::before { content: ""; position: absolute; left: 0; top: .15em; width: 1.15rem; height: 1.15rem; border: 2px solid var(--ink-black); background: var(--a); }
.checks li::after { content: ""; position: absolute; left: .38rem; top: .28em; width: .34rem; height: .62rem; border: solid var(--ink-black); border-width: 0 2.5px 2.5px 0; rotate: 40deg; }

.two { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 0 2.2rem; }
.topics { counter-reset: t; list-style: none; margin: 0; padding: 0; }
.topics li { counter-increment: t; display: flex; gap: .7rem; padding: .45rem 0; border-bottom: 1.5px dashed var(--rule); line-height: 1.35; }
.topics li::before { content: counter(t, decimal-leading-zero); flex: none; font: 700 .78rem/1.75 var(--f-mono); }
.needs { margin: 0; padding-left: 1.1rem; display: grid; gap: .35rem; line-height: 1.4; }
.needs li::marker { color: var(--b); }
.prereq { margin: 0; line-height: 1.4; }
.link {
  all: unset; cursor: pointer; font-weight: 700;
  text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; text-decoration-color: var(--b);
}
.link:focus-visible { outline: 3px solid var(--ink-black); outline-offset: 2px; }

.actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
  margin-top: 1.4rem; padding-bottom: 1.6rem; border-bottom: 2px solid var(--ink-black);
}
.actions .note { margin: 0; font: 400 .8rem/1.4 var(--f-mono); }

/* ---------- colophon ---------- */
.colophon {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem;
  padding: 1.6rem 0 3rem; border-top: 6px double var(--ink-black);
  font: 400 .78rem/1.5 var(--f-mono);
}
.colophon p { margin: 0; max-width: 60ch; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { max-width: 400px; }
  .sticker { right: 0; }
  .steps { grid-template-columns: 1fr; }
  .sheet { grid-template-columns: 1fr; }
  .sheet-art { flex-direction: row; align-items: center; justify-content: space-between; border-right: 0; border-bottom: 2px solid var(--ink-black); padding: 1.4rem; }
  .sheet-art .art { position: static; width: 46%; max-width: 220px; }
  .two { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .issue { display: none; }
  .route li + li::before { display: none; }
  .route { gap: .5rem; }
  .close { top: .5rem; right: .5rem; }
}