/* ─────────────────────────────────────────────────────────────────────────────
   Blocks — composed sections shared by several pages: the teachers rail, the
   founder's invitation, the FAQ and the contact call to action.
   ───────────────────────────────────────────────────────────────────────────── */

@layer blocks {

  /* ── Teachers ────────────────────────────────────────────────────────────── */
  .section-head__aside { display: grid; justify-items: center; gap: var(--s-2); }
  .section-head__crown { width: 150px; rotate: 9deg; animation: sticker-float 6s ease-in-out infinite; }
  .rail-controls { display: flex; gap: var(--s-2); }
  .rail {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: clamp(16.5rem, 24vw, 19.5rem);
    gap: var(--s-5);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--s-1);
    padding: var(--s-2) var(--s-1) var(--s-6);
    scrollbar-width: none;
    mask-image: linear-gradient(to left, transparent, #000 3%, #000 94%, transparent);
    grid-template-rows: repeat(4, auto);
    row-gap: 0;
  }
  .rail::-webkit-scrollbar { display: none; }
  .rail > * { scroll-snap-align: start; }
  /* Every card spans the rail's four row tracks, so names, roles and bios
     line up across cards whatever the length of each text. */
  .rail > li { grid-row: span 4; display: grid; grid-template-rows: subgrid; }
  .rail > li > .teacher-card { grid-row: span 4; display: grid; grid-template-rows: subgrid; row-gap: var(--s-4); }

  /* ── Founder: an invitation card framed by floral corners ────────────────── */
  .founder { background: var(--bg-deep); isolation: isolate; }
  .founder .ambient { --glow-a: 50% 50%; --glow-b: 50% 90%; }

  .invite {
    position: relative;
    overflow: hidden;
    display: grid;
    justify-items: center;
    gap: var(--s-6);
    max-width: 62rem;
    margin-inline: auto;
    padding: clamp(3.5rem, 2rem + 5vw, 6.5rem) clamp(1.5rem, 0.5rem + 7vw, 8rem);
    border-radius: var(--r-xl);
    background: linear-gradient(180deg, rgb(255 255 255 / 0.9), rgb(255 247 250 / 0.82));
    border: 1px solid var(--white);
    box-shadow: var(--shadow-inset), var(--shadow-lg);
    text-align: center;
  }
  .invite > :not(.floral-corner) { position: relative; z-index: 1; }
  .invite__head { display: grid; justify-items: center; gap: var(--s-3); }
  .invite__eyebrow::after {
    content: "";
    width: 1.6rem;
    height: 1px;
    background: currentColor;
    opacity: 0.55;
  }
  .invite__title { font-size: var(--fs-h2); line-height: var(--lh-tight); }
  .invite__lead { color: var(--ink-2); font-size: var(--fs-lead); }
  .invite__ornament {
    width: 8rem;
    height: 0.75rem;
    background:
      radial-gradient(circle, var(--pink) 0 3px, transparent 3.5px) center / 0.75rem 0.75rem no-repeat,
      linear-gradient(90deg, transparent, var(--pink-border) 30%, transparent 44%, transparent 56%, var(--pink-border) 70%, transparent) center / 100% 1px no-repeat;
  }
  .invite__message { max-width: 44rem; }
  .invite__message p {
    font-family: var(--font-display);
    font-size: clamp(1.45rem, 1.05rem + 1.5vw, 2.25rem);
    line-height: 1.7;
    font-weight: 600;
    color: var(--ink);
  }
  .invite__signature { display: grid; justify-items: center; gap: var(--s-3); margin-top: var(--s-2); }
  .invite__seal {
    display: grid;
    place-items: center;
    width: 4.75rem;
    height: 4.75rem;
    border-radius: 50%;
    background: var(--white);
    box-shadow: 0 0 0 1px var(--pink-border), 0 0 0 8px var(--pink-mist), var(--shadow-sm);
  }
  .invite__seal img { width: 3.5rem; height: 3.5rem; border-radius: 22%; }
  .invite__name { font-size: 1.6rem; }
  .invite__role { color: var(--pink-strong); font-size: var(--fs-small); font-weight: 500; }
  .invite__bio { max-width: 40rem; color: var(--ink-2); font-size: var(--fs-small); line-height: 1.95; }

  /* ── FAQ ─────────────────────────────────────────────────────────────────── */
  .faq__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(2rem, 1rem + 4vw, 5rem);
    align-items: start;
  }
  .faq__intro { position: relative; display: grid; gap: var(--s-8); align-content: start; }
  .faq__plane {
    width: 250px;
    justify-self: end;
    animation: plane-glide 7s ease-in-out infinite;
  }
  @keyframes plane-glide {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50%      { transform: translate(-14px, -10px) rotate(-3deg); }
  }
  .faq__list { display: grid; gap: var(--s-3); }

  /* ── Contact CTA: a centred invitation with the ways to reach the academy ─ */
  .cta { isolation: isolate; }
  .cta .ambient { --glow-a: 30% 50%; --glow-b: 70% 50%; }
  .cta__panel {
    position: relative;
    display: grid;
    justify-items: center;
    gap: var(--s-5);
    padding: clamp(3rem, 1.5rem + 5vw, 5.5rem) clamp(1.5rem, 1rem + 4vw, 4.5rem) clamp(2rem, 1rem + 3vw, 3.5rem);
    border-radius: var(--r-xl);
    text-align: center;
  }
  .cta__eyebrow::after {
    content: "";
    width: 1.6rem;
    height: 1px;
    background: currentColor;
    opacity: 0.55;
  }
  .cta__title { font-size: var(--fs-h2); line-height: var(--lh-tight); }
  .cta__lead { max-width: 36rem; color: var(--ink-2); font-size: var(--fs-lead); }
  .cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--s-3);
    margin-top: var(--s-3);
  }

  .contact-list { display: grid; gap: var(--s-2); align-content: center; }
  .cta .contact-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--s-2) var(--s-8);
    width: 100%;
    margin-top: var(--s-6);
    padding-top: var(--s-6);
    border-top: 1px solid var(--line);
  }
  .contact-item {
    display: flex;
    align-items: center;
    gap: var(--s-4);
    padding: var(--s-3) var(--s-4);
    border-radius: var(--r-sm);
    text-align: start;
    transition: background-color var(--dur-base) var(--ease-out);
  }
  a.contact-item:hover { background: rgb(255 255 255 / 0.7); }
  .contact-item .icon-tile { width: 2.75rem; height: 2.75rem; }
  .contact-item .icon-tile svg { width: 1.25rem; height: 1.25rem; }
  .contact-item__text { display: grid; }
  .contact-item__text > * { justify-self: start; }
  .contact-item__label { color: var(--ink-2); font-size: var(--fs-caption); line-height: 1.5; }
  .contact-item__value { font-weight: 500; line-height: 1.6; }

  @media (max-width: 900px) {
    .faq__grid { grid-template-columns: minmax(0, 1fr); }
    .section-head__aside { width: 100%; grid-template-columns: auto 1fr; justify-items: start; align-items: end; }
    .section-head__crown { width: 96px; order: 2; justify-self: end; }
    .faq__plane { position: absolute; top: -8px; inset-inline-end: 0; width: 120px; }
  }

  @media (max-width: 640px) {
    .invite .floral-corner { width: 8.5rem; opacity: 0.9; }
    .cta .contact-list { flex-direction: column; align-items: center; gap: var(--s-1); }
  }

  @media (prefers-reduced-motion: reduce) {
    .section-head__crown, .faq__plane { animation: none; }
  }
}