/* =========================================================
   SKILDGRAD · Components
   Every UI pattern the site composes from. BEM-lite:
   .block, .block__element, .block--modifier.
   ========================================================= */


/* =========================================================
   NAV
   ========================================================= */
.nav{
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  padding-inline: var(--container-pad);
  background: color-mix(in srgb, #FFF8E8 96%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
          backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}
.nav.is-scrolled{ border-bottom-color: var(--border); }

.nav__logo{
  display:inline-flex; align-items:center;
  height:64px; overflow:visible; flex-shrink:0;
}
.nav__logo img{
  height:54px !important;
  width:auto !important;
  max-width:unset !important;
  display:block !important;
  flex-shrink:0 !important;
}

.nav__center{
  display: flex; align-items: center; gap: var(--s-5);
}
.nav__item{ position: relative; }
.nav__link{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--t-small-size); font-weight: var(--w-regular);
  color: var(--fg-muted);
  padding-block: 8px;
  transition: color var(--t-fast) var(--ease);
  background: transparent; border: 0; cursor: pointer;
}
.nav__link:hover,
.nav__link.is-active{ color: var(--fg); }
.nav__link-arrow{ font-size: 9px; color: var(--fg-subtle); }

.nav__dropdown{
  position: absolute; top: calc(100% + 8px); left: -16px;
  min-width: 240px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: var(--s-2);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              visibility var(--t-fast);
}
.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown{
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__dropdown a{
  display: block;
  padding: 10px 12px;
  font-size: var(--t-small-size);
  color: var(--fg-muted);
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease);
}
.nav__dropdown a:hover{ background: var(--paper); color: var(--fg); }
.nav__dropdown a.is-active{ color: var(--fg); }
.nav__dropdown-rule{ height: 1px; background: var(--border); margin: 6px 0; }

.nav__right{
  display: flex; align-items: center; gap: var(--s-3);
}

/* Mobile burger */
.nav__burger{
  display: none;
  width: 32px; height: 32px; position: relative;
}
.nav__burger span{
  position: absolute; left: 4px; right: 4px; height: 1.5px;
  background: var(--fg);
  transition: transform var(--t-med) var(--ease),
              opacity var(--t-med) var(--ease),
              top var(--t-med) var(--ease);
}
.nav__burger span:nth-child(1){ top: 10px; }
.nav__burger span:nth-child(2){ top: 15px; }
.nav__burger span:nth-child(3){ top: 20px; }
.nav__burger.is-open span:nth-child(1){ top: 15px; transform: rotate(45deg); }
.nav__burger.is-open span:nth-child(2){ opacity: 0; }
.nav__burger.is-open span:nth-child(3){ top: 15px; transform: rotate(-45deg); }

/* Mobile menu overlay */
.nav-menu{
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99;
  background: var(--bg-elevated);
  padding: var(--container-pad);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--t-med) var(--ease);
}
.nav-menu.is-open{ transform: translateX(0); }
.nav-menu__group{
  border-bottom: 1px solid var(--border);
  padding-block: var(--s-4);
}
.nav-menu__group:last-of-type{ border-bottom: 0; }
.nav-menu__title{
  font-size: var(--t-eyebrow-size);
  letter-spacing: var(--t-eyebrow-track);
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: var(--s-3);
  font-weight: var(--w-medium);
}
.nav-menu__group a{
  display: block;
  padding-block: 10px;
  font-size: 15px;
  color: var(--fg);
}
.nav-menu__cta{
  padding-top: var(--s-4);
  display: flex; flex-direction: column; gap: var(--s-2);
}

@media (max-width: 960px){
  .nav__center,
  .nav__right > .btn--ghost,
  .nav__right > .nav__go{ display: none; }
  .nav__burger{ display: block; }
}


/* =========================================================
   BUTTON
   ========================================================= */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s-2);
  height: 48px; padding-inline: 22px;
  font-size: var(--t-small-size); font-weight: var(--w-medium);
  color: var(--fg);
  background: transparent;
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.btn--sm{ height: 36px; padding-inline: 16px; }
.btn--lg{ height: 56px; padding-inline: 28px; font-size: 15px; }
.btn--block{ display: flex; width: 100%; }

.btn--primary{
  background: var(--ink);
  color: var(--paper-2);
  border-color: var(--ink);
}
.btn--primary:hover{
  background: var(--accent);
  color: var(--ink);              /* navy on gold for WCAG AA */
  border-color: var(--accent);
}

.btn--secondary{
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn--secondary:hover{
  border-color: var(--ink);
}

.btn--ghost{
  background: transparent;
  color: var(--fg);
  border-color: transparent;
}
.btn--ghost:hover{ background: var(--paper); }

.btn--link{
  height: auto;
  padding: 2px 0;
  border: 0;
  border-bottom: 1px solid var(--ink);
  color: var(--fg);
  background: none;
}
.btn--link:hover{
  color: var(--accent);
  border-bottom-color: var(--accent);
}


/* =========================================================
   EYEBROW SECTION TITLE COMBO (already in base, extended here)
   ========================================================= */
.eyebrow--counter::before{
  content: attr(data-count) " · ";
  color: var(--fg-subtle);
  font-variant-numeric: tabular-nums;
}


/* =========================================================
   BREADCRUMB
   ========================================================= */
.breadcrumb{
  display: flex; align-items: center; flex-wrap: wrap;
  gap: var(--s-2);
  padding-block: var(--s-4);
  font-size: var(--t-small-size);
  color: var(--fg-subtle);
}
.breadcrumb a{
  color: var(--fg-muted);
  transition: color var(--t-fast) var(--ease);
}
.breadcrumb a:hover{ color: var(--fg); }
.breadcrumb__sep{ color: var(--fg-subtle); user-select: none; }
.breadcrumb [aria-current="page"]{ color: var(--fg); }


/* =========================================================
   HERO
   Three variants: --centered, --split, --product
   ========================================================= */
.hero{
  padding-block: var(--s-8) var(--s-7);
}
.hero--loose{ padding-block: var(--s-9) var(--s-8); }
@media (max-width: 720px){
  .hero{ padding-block: var(--s-7) var(--s-6); }
  .hero--loose{ padding-block: var(--s-7) var(--s-6); }
}

.hero__eyebrow{ margin-bottom: var(--s-4); }
.hero__title{
  margin-bottom: var(--s-4);
}
.hero__lede{
  margin-bottom: var(--s-5);
}
.hero__actions{
  display: flex; flex-wrap: wrap; gap: var(--s-2);
  margin-bottom: var(--s-6);
}

/* --centered: single column, max-width lede */
.hero--centered .hero__title,
.hero--centered .hero__lede{ max-width: 20ch; }
.hero--centered .hero__lede{ max-width: 60ch; }

/* --split: two columns, content + side */
.hero--split .hero__inner{
  display: grid; grid-template-columns: 1fr; gap: var(--s-7);
  align-items: start;
}
@media (min-width: 960px){
  .hero--split .hero__inner{
    grid-template-columns: 1fr 480px;
    gap: var(--s-7);
  }
}

/* --product: course pages — title + lede + meta row + price card */
.hero--product .hero__inner{
  display: grid; grid-template-columns: 1fr; gap: var(--s-6);
}
@media (min-width: 960px){
  .hero--product .hero__inner{
    grid-template-columns: 1.3fr 1fr;
    gap: var(--s-7);
  }
}

/* Hero stats strip — under the lede/actions */
.hero__stats{
  display: flex; align-items: center; gap: var(--s-5);
  padding-top: var(--s-5);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.hero__stat{ display: flex; flex-direction: column; gap: 4px; }
.hero__stat-num{
  font-size: 22px; font-weight: var(--w-medium);
  color: var(--fg); letter-spacing: -0.02em;
}
.hero__stat-lbl{
  font-size: var(--t-micro-size);
  color: var(--fg-subtle);
}
.hero__stat-rule{ width: 1px; height: 28px; background: var(--border); }
@media (max-width: 720px){
  .hero__stats{ gap: var(--s-3) var(--s-4); }
  .hero__stat-rule{ display: none; }
}


/* =========================================================
   CARD
   ========================================================= */
.card{
  display: flex; flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: var(--s-4);
  transition: background var(--t-fast) var(--ease);
}
.card:hover{ background: #FFF3D0; }

/* --minimal: used inside .grid--hairline (parent supplies separator) */
.card--minimal{
  border: 0;
  padding: var(--s-5);
  min-height: 240px;
}

/* --feature: highlighted card for hero side lists or spotlights */
.card--feature{
  padding: var(--s-5);
}

/* --interactive: wrap an <a> tag in a card style */
a.card{ color: inherit; }
a.card:hover .card__arrow{ transform: translateX(4px); }

.card__eyebrow{
  font-size: var(--t-eyebrow-size);
  letter-spacing: var(--t-eyebrow-track);
  text-transform: uppercase;
  color: var(--fg-subtle);
  font-weight: var(--w-medium);
  margin-bottom: var(--s-3);
}
.card__title{
  font-size: var(--t-h3-size);
  line-height: var(--t-h3-lh);
  letter-spacing: var(--t-h3-track);
  font-weight: var(--w-medium);
  color: var(--fg);
  margin-bottom: var(--s-2);
}
.card__body{
  font-size: var(--t-small-size);
  line-height: 1.55;
  color: var(--fg-muted);
}
.card__meta{
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3);
  margin-top: auto;
  padding-top: var(--s-3);
  border-top: 1px solid var(--border);
}
.card__meta-item{
  font-size: var(--t-micro-size);
  color: var(--fg-subtle);
}
.card__action{
  font-size: var(--t-small-size);
  color: var(--fg);
  margin-left: auto;
  transition: color var(--t-fast) var(--ease);
}
a.card:hover .card__action{ color: var(--accent); }
.card__arrow{
  display: inline-block;
  font-size: 18px; color: var(--fg);
  transition: transform var(--t-fast) var(--ease);
}

/* Chip row inside cards (programmes offered, skills, etc.) */
.chips{
  display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-3);
  margin-block: var(--s-3);
}
.chip{
  font-size: var(--t-micro-size);
  color: var(--fg-muted);
  padding-block: 4px;
  border-bottom: 1px solid var(--border);
}


/* =========================================================
   INDEX ROW
   "Index" list — used for hero side lists and nav-like menus.
   Rows separated by hairlines, left-padding grows on hover.
   ========================================================= */
.index{
  display: flex; flex-direction: column;
}
.index__row{
  display: flex; align-items: center; gap: var(--s-3);
  padding-block: var(--s-4);
  padding-inline: 0;
  border-top: 1px solid var(--border);
  transition: padding-inline var(--t-med) var(--ease);
  color: var(--fg);
}
.index__row:last-child{ border-bottom: 1px solid var(--border); }
a.index__row:hover{ padding-inline-start: var(--s-2); }
.index__title{
  font-size: var(--t-h4-size);
  font-weight: var(--w-medium);
  color: var(--fg);
  white-space: nowrap;
}
.index__sub{
  font-size: var(--t-small-size);
  color: var(--fg-subtle);
  margin-top: 2px;
  white-space: nowrap;
}
.index__meta{
  font-size: var(--t-small-size);
  color: var(--fg-muted);
  margin-left: auto;
  white-space: nowrap;
}
.index__body{ flex: 1; min-width: 0; }


/* =========================================================
   FORM
   ========================================================= */
.form{
  display: flex; flex-direction: column;
  gap: var(--s-3);
}
.form__surface{
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: var(--s-5);
}
.form__title{
  font-size: var(--t-h4-size);
  font-weight: var(--w-medium);
  color: var(--fg);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--s-2);
  letter-spacing: -0.01em;
}
.form__row{
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}
@media (max-width: 560px){ .form__row{ grid-template-columns: 1fr; } }

.field{
  display: flex; flex-direction: column; gap: 6px;
}
.field__label{
  font-size: var(--t-micro-size);
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
}
.input{
  height: 40px;
  padding: 0 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  font-size: var(--t-small-size);
  color: var(--fg);
  transition: border-color var(--t-fast) var(--ease);
}
.input::placeholder{ color: var(--fg-subtle); }
.input:focus{ outline: 0; border-color: var(--fg); }
.input--area{
  height: auto; min-height: 96px;
  padding: 10px 12px; resize: vertical;
}
.input--select{
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--fg) 50%),
    linear-gradient(-45deg, transparent 50%, var(--fg) 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}


/* =========================================================
   FEATURE LIST — a clean bulleted list without bullets.
   Each row is a hairline-top item. Used in booking sidebar,
   curriculum lists, "what you get" blocks.
   ========================================================= */
.feature-list{
  display: flex; flex-direction: column;
  margin-top: var(--s-4);
}
.feature-list__item{
  font-size: var(--t-small-size);
  color: var(--fg-muted);
  padding-block: var(--s-3);
  border-top: 1px solid var(--border);
}
.feature-list__item:last-child{ border-bottom: 1px solid var(--border); }


/* =========================================================
   TAG / BADGE
   For labels like "Beginner – Expert", "New", "Live".
   ========================================================= */
.tag{
  display: inline-block;
  font-size: var(--t-eyebrow-size);
  letter-spacing: var(--t-eyebrow-track);
  text-transform: uppercase;
  color: var(--fg-subtle);
  font-weight: var(--w-medium);
  padding: 0;
}
.tag--accent{ color: var(--accent); }


/* =========================================================
   TABS — used on course detail pages
   ========================================================= */
.tabs{
  display: flex; align-items: center; gap: var(--s-5);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--s-5);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar{ display: none; }
.tab{
  flex-shrink: 0;
  padding: var(--s-3) 0;
  font-size: var(--t-small-size);
  color: var(--fg-subtle);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
  background: none; border-top: 0; border-left: 0; border-right: 0;
  cursor: pointer;
}
.tab:hover{ color: var(--fg); }
.tab.is-active{
  color: var(--fg);
  border-bottom-color: var(--ink);
}


/* =========================================================
   FAQ — disclosure list
   ========================================================= */
.faq{
  display: flex; flex-direction: column;
}
.faq__item{
  border-top: 1px solid var(--border);
}
.faq__item:last-child{ border-bottom: 1px solid var(--border); }
.faq__q{
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3);
  padding-block: var(--s-4);
  font-size: var(--t-h4-size);
  font-weight: var(--w-medium);
  color: var(--fg);
  cursor: pointer;
  background: none; border: 0; width: 100%;
  text-align: left;
}
.faq__arrow{
  font-size: 14px; color: var(--fg-subtle);
  transition: transform var(--t-fast) var(--ease);
}
.faq__item.is-open .faq__arrow{ transform: rotate(180deg); }
.faq__a{
  display: none;
  padding-bottom: var(--s-4);
  font-size: var(--t-small-size);
  color: var(--fg-muted);
  max-width: 70ch;
}
.faq__item.is-open .faq__a{ display: block; }


/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: var(--s-7) var(--container-pad) var(--s-4);
  margin-top: var(--s-8);
}
.footer__grid{
  max-width: var(--container-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-6);
}
@media (max-width: 900px){ .footer__grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer__grid{ grid-template-columns: 1fr; } }

.footer__brand .footer__logo{
  display: inline-block;
  margin-bottom: var(--s-4);
}
.footer__brand .footer__logo img{
  display: block;
  height: 56px;
  width: auto;
  max-width: 240px;
}
.footer__brand p{
  font-size: var(--t-small-size);
  color: var(--fg-muted);
  line-height: 1.55;
  max-width: 38ch;
  margin-bottom: var(--s-4);
}
.footer__social{
  display: flex; gap: var(--s-2);
}
.footer__social a{
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border-strong);
  font-size: 13px;
  color: var(--fg-muted);
  transition: border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease);
}
.footer__social a:hover{ border-color: var(--fg); color: var(--fg); }

.footer__col h5{
  font-size: var(--t-eyebrow-size);
  letter-spacing: var(--t-eyebrow-track);
  text-transform: uppercase;
  color: var(--fg);
  font-weight: var(--w-medium);
  margin-bottom: var(--s-3);
}
.footer__col ul{
  display: flex; flex-direction: column; gap: var(--s-2);
}
.footer__col a{
  font-size: var(--t-small-size);
  color: var(--fg-muted);
  transition: color var(--t-fast) var(--ease);
}
.footer__col a:hover{ color: var(--fg); }

.footer__bottom{
  max-width: var(--container-max);
  margin: var(--s-6) auto 0;
  padding-top: var(--s-4);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3);
  font-size: var(--t-micro-size);
  color: var(--fg-subtle);
  flex-wrap: wrap;
}
.footer__legal{ display: flex; gap: var(--s-4); }
.footer__legal a{
  color: var(--fg-subtle);
  transition: color var(--t-fast) var(--ease);
}
.footer__legal a:hover{ color: var(--fg); }


/* =========================================================
   MOTION — respects prefers-reduced-motion
   ========================================================= */
.fade-in{
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 500ms var(--ease),
              transform 500ms var(--ease);
}
.fade-in.is-visible{ opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in{ opacity: 1; transform: none; }
}