/* ==========================================================================
   Kin & Course — kinandcourse.com
   One stylesheet. No framework, no build step.

   Direction: a well-set record book. Warm paper, evergreen ink, brass rules.
   Display face: Fraunces (bookish, hand-set warmth).
   Body/UI face: Public Sans (humanist, the face of clear official forms).
   Signature device: course-catalog leader dots (.spec) carrying package scope.
   ========================================================================== */

/* --------------------------------------------------------------- 1. Tokens */

:root {
  /* Color */
  --paper:       #f4efe4;
  --paper-2:     #fbf8f1;
  --paper-3:     #efe8d9;
  --ink:         #16352b;
  --ink-body:    #35473f;
  --ink-soft:    #5a6a61;
  --brass:       #8a6414;
  --brass-soft:  #c9a24a;
  --rule:        #dcd3c2;
  --rule-strong: #c4b89f;
  --green-deep:  #10281f;

  /* Type */
  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --step--1: 0.8125rem;
  --step-0:  1.0625rem;
  --step-1:  1.1875rem;
  --step-2:  clamp(1.35rem, 1.2rem + 0.7vw, 1.6rem);
  --step-3:  clamp(1.75rem, 1.45rem + 1.4vw, 2.35rem);
  --step-4:  clamp(2.1rem, 1.6rem + 2.4vw, 3.1rem);
  --step-5:  clamp(2.6rem, 1.75rem + 3.9vw, 4.35rem);

  /* Space */
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(3.75rem, 8vw, 7rem);
  --measure: 36rem;
  --shell: 68rem;

  --radius: 4px;
}

/* ------------------------------------------------------------- 2. Baseline */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-body);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-optical-sizing: auto;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: var(--step-5); line-height: 1.02; letter-spacing: -0.025em; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); letter-spacing: -0.01em; }
h4 { font-size: var(--step-1); font-weight: 600; letter-spacing: 0; }

p, ul, ol, dl { margin: 0 0 1.15em; }
p { text-wrap: pretty; }
li { margin-bottom: 0.4em; }

a { color: var(--brass); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }

strong { font-weight: 600; color: var(--ink); }

img, svg { max-width: 100%; height: auto; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--brass-soft); color: var(--green-deep); }

/* --------------------------------------------------------------- 3. Layout */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--narrow { max-width: 46rem; }

.band { padding-block: var(--section); }
.band--tint { background: var(--paper-2); border-block: 1px solid var(--rule); }
.band--deep { background: var(--green-deep); color: var(--paper); }
.band--deep h2, .band--deep h3 { color: var(--paper); }
.band--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

.prose { max-width: var(--measure); }
.prose--wide { max-width: 44rem; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 0.5rem; top: -4rem;
  z-index: 20;
  background: var(--green-deep);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0.5rem; color: var(--paper); }

/* --------------------------------------------- 4. Eyebrows, rules, letters */

.eyebrow {
  font-family: var(--sans);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 1rem;
}
.band--deep .eyebrow { color: var(--brass-soft); }

.section-head { margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head p { max-width: var(--measure); font-size: var(--step-1); color: var(--ink-body); }

.lede {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--ink-body);
}

.fineprint {
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--ink-soft);
}
.band--deep .fineprint { color: #a9bcb1; }
.band--deep .lede { color: #dfe9e2; }

/* The recurring rule motif: a short brass mark above a block. */
.mark::before {
  content: "";
  display: block;
  width: 2.25rem;
  height: 2px;
  background: var(--brass);
  margin-bottom: 1.5rem;
}
.band--deep .mark::before { background: var(--brass-soft); }

/* --------------------------------------------------------------- 5. Header */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.masthead__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.75rem;
  padding-block: 1.1rem;
}

.wordmark {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
  white-space: nowrap;
}
.wordmark:hover { color: var(--brass); }
.wordmark .amp { color: var(--brass); font-style: italic; padding-inline: 0.06em; }

.masthead nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.4rem;
  font-size: 0.95rem;
}
.masthead nav a {
  color: var(--ink-body);
  text-decoration: none;
  padding-block: 0.2rem;
  border-bottom: 1px solid transparent;
}
.masthead nav a:hover { color: var(--ink); border-bottom-color: var(--brass); }

/* ---------------------------------------------------------------- 6. Buttons */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.6rem;
  border: 1px solid var(--green-deep);
  border-radius: var(--radius);
  background: var(--green-deep);
  color: var(--paper);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); transform: translateY(-1px); }
.btn:active { transform: none; }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn--ghost:hover { background: var(--paper-3); color: var(--ink); border-color: var(--ink); }

.btn--light {
  background: var(--paper);
  color: var(--green-deep);
  border-color: var(--paper);
}
.btn--light:hover { background: var(--brass-soft); color: var(--green-deep); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

/* ------------------------------------------------------------------ 7. Hero */

.hero { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3.5rem, 7vw, 6rem); }

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}

/* Grid items default to min-width:auto, so a wide child (the transcript
   table's min-width) would push the track past the viewport instead of
   scrolling inside .record__scroll. Let the tracks shrink. */
.hero__grid > * { min-width: 0; }

@media (min-width: 60rem) {
  .hero__grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 4.5rem; }
}

.hero h1 { margin-bottom: 0.35em; }
.hero__lede { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem); line-height: 1.5; max-width: 32rem; }

.hero__note {
  border-left: 2px solid var(--brass);
  padding-left: 1rem;
  margin: 0;
  max-width: 32rem;
}

/* ------------------------------------------- 8. Signature: the record sheet */

.record { margin: 0; }

.record__sheet {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 1px 2px rgba(22, 53, 43, 0.06), 0 12px 28px -18px rgba(22, 53, 43, 0.4);
}

/* Suggestion of further sheets beneath — the stack of paperwork. */
.record__sheet::after {
  content: "";
  position: absolute;
  inset: auto -7px -7px 7px;
  height: 7px;
  border: 1px solid var(--rule);
  border-top: 0;
  border-radius: 0 0 2px 2px;
  background: var(--paper-3);
  z-index: -1;
}

.record__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 2px solid var(--ink);
}

.record__title {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.record__seal {
  font-family: var(--sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  border: 1px solid var(--brass-soft);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  white-space: nowrap;
}

.record__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
  gap: 0.35rem 1.25rem;
  margin: 0.9rem 0 1.15rem;
  font-size: var(--step--1);
}
.record__facts dt {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.625rem;
  color: var(--ink-soft);
}
.record__facts dd {
  margin: 0 0 0.35rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.record__scroll { overflow-x: auto; }

.record__table {
  width: 100%;
  min-width: 18rem; /* fits a 375px screen without hiding a column */
  border-collapse: collapse;
  font-size: var(--step--1);
  font-variant-numeric: tabular-nums;
}
.record__table th,
.record__table td {
  text-align: left;
  padding: 0.42rem 0.5rem 0.42rem 0;
  border-bottom: 1px solid var(--rule);
}
.record__table thead th {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom-color: var(--rule-strong);
}
.record__table td { color: var(--ink-body); }
.record__table .num { text-align: right; padding-right: 0; width: 4.5rem; }
.record__table tbody tr:last-child td { border-bottom: 0; }

.record__table tfoot td {
  border-top: 2px solid var(--ink);
  border-bottom: 0;
  padding-top: 0.6rem;
  font-weight: 700;
  color: var(--ink);
}

.record__sign {
  margin: 1.1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--rule-strong);
  font-size: var(--step--1);
  color: var(--ink-soft);
  line-height: 1.5;
}
.record__sign strong { color: var(--ink); }

.record figcaption {
  margin-top: 1.1rem;
  font-size: var(--step--1);
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ------------------------------------- 9. Leader-dot spec list (the device) */

.spec-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.spec {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0;
  padding: 0.42rem 0;
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--ink);
}

.spec__dots {
  flex: 1 1 1.5rem;
  min-width: 1.25rem;
  border-bottom: 1px dotted var(--rule-strong);
  transform: translateY(-0.25em);
}

.spec__val {
  flex: none;
  color: var(--brass);
  font-weight: 700;
}

.spec--off { color: var(--ink-soft); }
.spec--off .spec__val { color: var(--rule-strong); }
.spec--off .spec__dots { border-bottom-color: var(--rule); }

/* -------------------------------------------------------------- 10. Cards */

.cards {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 52rem) {
  .cards { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2rem);
}

.card__index {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.75rem;
}

.card h3 { margin-bottom: 0.6rem; }

.card__price {
  font-family: var(--display);
  font-size: var(--step-3);
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0 0 0.25rem;
}
.card__price span {
  font-family: var(--sans);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.card__turn {
  font-size: var(--step--1);
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.card__blurb { font-size: 0.95rem; margin-bottom: 1.25rem; }

.card .spec-list { margin-top: auto; }

.card__cta { margin-top: 1rem; }
.card__cta .btn { display: block; text-align: center; }

/* ------------------------------------------------------------- 11. Steps */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

@media (min-width: 52rem) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
}

.steps li {
  counter-increment: step;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink);
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--brass);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.steps h3 { font-size: var(--step-1); margin-bottom: 0.4rem; }
.steps p { font-size: 0.95rem; margin: 0; }

/* -------------------------------------------------------------- 12. Notes */

.note {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--brass);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.1rem 1.35rem;
  margin: 2rem 0 0;
  max-width: 44rem;
}
.note p:last-child { margin-bottom: 0; }
.note h3 { font-size: var(--step-1); margin-bottom: 0.35rem; }

/* ---------------------------------------------------------------- 13. FAQ */

.faq { max-width: 46rem; }

.faq details {
  border-top: 1px solid var(--rule-strong);
  padding: 0.35rem 0;
}
.faq details:last-of-type { border-bottom: 1px solid var(--rule-strong); }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  font-family: var(--display);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--sans);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1;
  color: var(--brass);
}
.faq details[open] summary::after { content: "\2013"; }

.faq summary:hover { color: var(--brass); }

.faq .faq__body {
  padding-bottom: 1.1rem;
  max-width: var(--measure);
}
.faq .faq__body p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------- 14. Forms */

.form { max-width: 40rem; }

.field { margin-bottom: 1.6rem; }

.field > label,
.field > .field__legend {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.field__hint {
  display: block;
  font-weight: 400;
  font-size: var(--step--1);
  color: var(--ink-soft);
  margin: -0.15rem 0 0.5rem;
  line-height: 1.5;
}

.req { color: var(--brass); font-weight: 700; }

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea { min-height: 8rem; resize: vertical; }

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
                    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: right 1.05rem center, right 0.75rem center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.25rem;
}

input:hover, select:hover, textarea:hover { border-color: var(--ink-soft); }

input:focus, select:focus, textarea:focus {
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(201, 162, 74, 0.28);
  outline: none;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 1.6rem;
}
legend { padding: 0; }

.form__group {
  display: grid;
  gap: 0 1.25rem;
}
@media (min-width: 40rem) {
  .form__group { grid-template-columns: 1fr 1fr; }
}

.form__actions {
  border-top: 1px solid var(--rule-strong);
  padding-top: 1.75rem;
  margin-top: 2.25rem;
}

/* Honeypot — hidden from people, visible to bots. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --------------------------------------------------------------- 15. Footer */

.footer { background: var(--green-deep); color: #c2d2c8; }
.footer a { color: var(--paper); text-decoration-color: rgba(244, 239, 228, 0.4); }
.footer a:hover { color: var(--brass-soft); }

.footer__inner {
  padding-block: clamp(2.75rem, 6vw, 4rem);
  display: grid;
  gap: 2rem;
}
@media (min-width: 48rem) {
  .footer__inner { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 3rem; }
}

.footer .wordmark { color: var(--paper); margin: 0 0 0.75rem; display: inline-block; }
.footer .wordmark:hover { color: var(--brass-soft); }

.footer h2 {
  font-family: var(--sans);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-soft);
  margin-bottom: 0.9rem;
}

.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 0.5rem; }

.footer__legal {
  border-top: 1px solid rgba(244, 239, 228, 0.15);
  padding-block: 1.35rem 2rem;
  font-size: var(--step--1);
  line-height: 1.6;
  color: #92a89b;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

/* --------------------------------------------------------- 16. Page pieces */

.page-head {
  padding-block: clamp(2.75rem, 6vw, 4.5rem) clamp(1.75rem, 4vw, 2.75rem);
  border-bottom: 1px solid var(--rule);
}
.page-head h1 { font-size: var(--step-4); }
.page-head p { max-width: var(--measure); margin-bottom: 0; }

.doc { max-width: 42rem; padding-block: var(--section); }
.doc h2 { font-size: var(--step-2); margin-top: 2.5rem; }
.doc h2:first-of-type { margin-top: 0; }
.doc ul { padding-left: 1.15rem; }

.stack-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.u-flush { margin: 0; }
.u-gap-top { margin-top: 2.5rem; }

.centered { text-align: center; margin-inline: auto; }
.centered .btn-row { justify-content: center; }
.centered .mark::before { margin-inline: auto; }

/* ------------------------------------------------------------- 17. Motion */

@media (prefers-reduced-motion: no-preference) {
  .hero__grid > * {
    animation: rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
  .hero__grid > *:nth-child(2) { animation-delay: 0.12s; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------- 18. Print */

@media print {
  .masthead nav, .btn, .skip-link { display: none; }
  body { background: #fff; color: #000; }
  .band--deep, .footer { background: #fff; color: #000; }
}