/* Formkiln 7.1 — mobile-first lesson catalog */

:root {
  --fk-blue: #2d8ceb;
  --fk-red: #f8281e;
  --fk-yellow: #e1cf02;
  --fk-green: #66cc00;
  --fk-purple: #9f1de9;
  --fk-magenta: #cc0099;
  --fk-teal: #009999;
  --fk-orange: #ff6600;
  --fk-text: #333333;
  --fk-muted: #777777;
  --fk-border: #e5e5e5;
  --fk-well: #f5f5f5;
  --fk-nav-idle: #f0f0f0;
  --fk-promo-border: #d6e9c6;
  --fk-success: #3c763d;
  --fk-free: #3c763d;
  --fk-max: 1140px;
  --fk-header-h: 56px;
  --fk-font: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --fk-serif: "Roboto Slab", Georgia, serif;
}

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

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

body {
  margin: 0;
  font-family: var(--fk-font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fk-text);
  background: #ffffff;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border: 0;
}

a {
  color: var(--fk-blue);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.screen-reader-text,
.fk-skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.fk-skip-link:focus {
  left: 12px;
  top: 12px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  background: #fff;
  z-index: 10000;
  border: 1px solid var(--fk-border);
}

.fk-container {
  width: 100%;
  max-width: var(--fk-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 12px;
  padding-right: 12px;
}

/* Header */
.fk-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid var(--fk-border);
  min-height: var(--fk-header-h);
}

.fk-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--fk-header-h);
  gap: 12px;
}

.fk-brand__name,
.fk-brand .custom-logo-link {
  font-family: var(--fk-font);
  font-size: 22px;
  font-weight: 500;
  color: #555555;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.fk-brand .custom-logo {
  max-height: 36px;
  width: auto;
}

.fk-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 1px solid var(--fk-border);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

.fk-nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: #555;
}

.fk-primary-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: var(--fk-header-h);
  background: #fff;
  border-bottom: 1px solid var(--fk-border);
  padding: 8px 12px 16px;
}

.fk-primary-nav.is-open {
  display: block;
}

.fk-primary-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fk-primary-nav__list a {
  display: block;
  padding: 10px 8px;
  color: #888888;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.fk-primary-nav__list a:hover {
  color: var(--fk-blue);
}

/* Layout */
.fk-site-main {
  padding: 16px 0 40px;
}

.fk-lessons-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Modules nav — mobile accordion */
.fk-modules-nav__mobile-toggle {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--fk-border);
  background: var(--fk-well);
  font-family: var(--fk-font);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  border-radius: 2px;
}

.fk-modules-nav__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: none;
}

.fk-modules-nav__list.is-open {
  display: block;
}

.fk-modules-nav__list > li {
  margin: 0 0 3px;
}

.fk-modules-nav__list > li > a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 8px 0 0;
  background: var(--fk-nav-idle);
  color: #555555;
  text-decoration: none;
  position: relative;
}

.fk-modules-nav__number {
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  background: #ffffff;
  color: #555555;
  font-size: 18px;
  font-weight: 500;
  border-radius: 50%;
  position: relative;
  z-index: 1;
  margin-left: -2px;
}

.fk-modules-nav__title {
  flex: 1;
  font-size: 13px;
  line-height: 1.25;
  padding-right: 8px;
}

.fk-modules-nav__list > li.active > a {
  background: var(--fk-blue);
  color: #ffffff;
}

.fk-modules-nav__list > li.active > a::after {
  content: "";
  position: absolute;
  right: -12px;
  top: 0;
  border-style: solid;
  border-width: 25px 0 25px 12px;
  border-color: transparent transparent transparent var(--fk-blue);
}

.fk-modules-nav__list > li.active .fk-modules-nav__number {
  background: #ffffff;
  color: #555555;
}

.fk-modules-nav__topics {
  list-style: none;
  margin: 0;
  padding: 6px 0 8px 58px;
  display: none;
}

.fk-modules-nav__list > li.active .fk-modules-nav__topics {
  display: block;
}

.fk-modules-nav__topics a {
  display: block;
  padding: 4px 0;
  font-size: 12px;
  color: #666666;
  text-decoration: none;
}

.fk-modules-nav__topics a:hover {
  color: var(--fk-blue);
}

/* Promo panel */
.fk-promo {
  border: 3px dashed var(--fk-promo-border);
  background: #ffffff;
  text-align: center;
  margin-bottom: 20px;
}

.fk-promo__body {
  padding: 18px 16px 22px;
}

.fk-promo__title {
  margin: 0 0 8px;
  font-family: var(--fk-serif);
  font-size: 26px;
  font-weight: 500;
  color: var(--fk-text);
}

.fk-promo__lead {
  margin: 0 0 16px;
  font-size: 16px;
  color: #555;
}

/* Image band */
.fk-image-band {
  margin: 0 0 28px;
}

.fk-image-band__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.fk-image-band__item {
  margin: 0;
  overflow: hidden;
  background: var(--fk-well);
}

.fk-image-band__item img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* Topics */
.fk-topic {
  margin-bottom: 36px;
  padding-bottom: 8px;
}

.fk-topic__title {
  margin: 12px 0 10px;
  font-family: var(--fk-serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--fk-text);
  padding-bottom: 8px;
  border-bottom: 3px solid var(--fk-blue);
}

.fk-topic__code {
  color: #999999;
  margin-right: 6px;
}

.module-header-m1 { border-bottom-color: var(--fk-blue); }
.module-header-m2 { border-bottom-color: var(--fk-red); }
.module-header-m3 { border-bottom-color: var(--fk-yellow); }
.module-header-m4 { border-bottom-color: var(--fk-green); }
.module-header-m5 { border-bottom-color: var(--fk-purple); }
.module-header-m6 { border-bottom-color: var(--fk-magenta); }
.module-header-m7 { border-bottom-color: var(--fk-teal); }
.module-header-m8 { border-bottom-color: var(--fk-orange); }

.fk-topic__grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fk-topic__intro p {
  margin: 0 0 12px;
  color: #444;
}

.fk-topic__well {
  background: var(--fk-well);
  border: 1px solid #e8e8e8;
  border-radius: 2px;
  padding: 14px 16px;
}

.fk-topic__well p {
  margin: 0 0 12px;
}

/* Buttons */
.fk-btn {
  display: inline-block;
  padding: 8px 14px;
  font-family: var(--fk-font);
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  border: 1px solid #cccccc;
  border-radius: 4px;
  background: #ffffff;
  color: #333333;
  cursor: pointer;
}

.fk-btn:hover {
  text-decoration: none;
  background: #f7f7f7;
}

.fk-btn--block {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
}

.fk-btn--primary {
  background: var(--fk-blue);
  border-color: #2478cb;
  color: #ffffff;
}

.fk-btn--primary:hover {
  background: #2478cb;
  color: #ffffff;
}

.fk-btn--lg {
  padding: 10px 18px;
  font-size: 17px;
  border-radius: 6px;
}

/* Lesson items */
.fk-lesson-item {
  border-bottom: 1px solid #eeeeee;
}

.fk-lesson-item__link {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  color: inherit;
  text-decoration: none;
}

.fk-lesson-item__link:hover {
  background: #fafafa;
  text-decoration: none;
}

.fk-lesson-item__thumb {
  flex: 0 0 60px;
  width: 60px;
  height: 60px;
  border: 1px solid #dddddd;
  padding: 2px;
  background: #fff;
  overflow: hidden;
}

.fk-lesson-item__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fk-lesson-item__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-right: 72px;
}

.fk-lesson-item__title {
  display: block;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  color: #555555;
  line-height: 1.3;
}

.fk-lesson-item__author {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--fk-muted);
}

.fk-lesson-item__meta {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  line-height: 1;
}

.fk-lesson-item__free {
  font-size: 11px;
  font-weight: 700;
  color: var(--fk-free);
  letter-spacing: 0.02em;
}

.fk-lesson-item__code {
  display: inline-block;
  padding: 3px 6px;
  font-size: 11px;
  font-weight: 500;
  color: #ffffff;
  border-radius: 2px;
  white-space: nowrap;
}

.label-m1 { background: var(--fk-blue); }
.label-m2 { background: var(--fk-red); }
.label-m3 { background: #c4b400; color: #222; }
.label-m4 { background: var(--fk-green); }
.label-m5 { background: var(--fk-purple); }
.label-m6 { background: var(--fk-magenta); }
.label-m7 { background: var(--fk-teal); }
.label-m8 { background: var(--fk-orange); }

/* Content pages */
.fk-content-page {
  padding-top: 8px;
  padding-bottom: 40px;
}

.fk-entry__title {
  font-family: var(--fk-serif);
  font-size: 28px;
  font-weight: 500;
  margin: 0 0 16px;
}

.fk-entry__content {
  font-size: 15px;
  line-height: 1.65;
}

.fk-entry__thumb {
  margin: 0 0 20px;
}

.fk-entry__thumb img {
  width: 100%;
  height: auto;
}

.fk-archive-list {
  display: grid;
  gap: 16px;
}

.fk-archive-item {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--fk-border);
}

.fk-search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.fk-search-form__input {
  flex: 1 1 180px;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: var(--fk-font);
}

/* Footer links — horizontal, unlabeled, wrap infinitely */
.fk-site-footer {
  border-top: 1px solid var(--fk-border);
  padding: 20px 0 28px;
  background: #fafafa;
}

.fk-footer-links {
  margin-bottom: 14px;
}

.fk-footer-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: center;
  align-items: center;
}

.fk-footer-links__list a {
  color: #666666;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.fk-footer-links__list a:hover {
  color: var(--fk-blue);
  text-decoration: underline;
}

.fk-site-footer__copy {
  margin: 0;
  text-align: center;
  font-size: 12px;
  color: #999;
}

.fk-site-footer__copy a {
  color: #777;
}

/* Tablet+ */
@media (min-width: 768px) {
  .fk-promo__title {
    font-size: 30px;
  }

  .fk-topic__title {
    font-size: 30px;
  }

  .fk-image-band__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }

  .fk-topic__grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 24px;
    align-items: start;
  }

  .fk-lesson-item__body {
    padding-right: 90px;
  }

  .fk-lesson-item__meta {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }
}

/* Desktop — sidebar + content like Drawspace */
@media (min-width: 992px) {
  .fk-nav-toggle {
    display: none;
  }

  .fk-primary-nav {
    display: block;
    position: static;
    border: 0;
    padding: 0;
    background: transparent;
  }

  .fk-primary-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }

  .fk-primary-nav__list a {
    padding: 8px 10px;
  }

  .fk-lessons-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 28px;
    align-items: start;
  }

  .fk-modules-nav {
    position: sticky;
    top: calc(var(--fk-header-h) + 16px);
  }

  .fk-modules-nav__mobile-toggle {
    display: none;
  }

  .fk-modules-nav__list {
    display: block;
    margin: 0;
  }

  .fk-modules-nav__list > li > a {
    width: 225px;
  }

  .fk-modules-nav__number {
    width: 60px;
    height: 60px;
    flex-basis: 60px;
    margin: -5px 0 -5px -4px;
    font-size: 18px;
  }

  .fk-modules-nav__list > li.active > a {
    min-height: 50px;
  }

  .fk-modules-nav__list > li.active > a::after {
    border-width: 25px 0 25px 12px;
    right: -12px;
  }

  .fk-modules-nav__title {
    font-size: 14px;
  }
}

@media (min-width: 1200px) {
  .fk-container {
    padding-left: 15px;
    padding-right: 15px;
  }
}