/* ═══════════════════════════════════════════════════════════
   components.css  —  QIM Academy
   Layer 2: Reusable UI atoms & molecules
   Depends on: tokens.css
════════════════════════════════════════════════════════════ */

/* ── SKIP LINK (keyboard a11y) ── */
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--black);color:var(--white);padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;font-size:.85rem}
.skip-link:focus{left:0}

/* ── FIXED HEADER ── */
header[role="banner"]{position:fixed;top:0;left:0;right:0;z-index:100}
main{padding-top:var(--header-h)}

/* ── ANNOUNCE BAR ── */
.announce-bar{background:#111;color:var(--white);text-align:center;padding:.6rem 1.25rem;min-height:var(--announce-h);display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;border-bottom:1px solid rgba(255,255,255,.08)}
.announce-bar__badge{font-size:.6rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:#111;background:#fff;padding:3px 12px;border-radius:var(--radius-pill);white-space:nowrap;flex-shrink:0}
.announce-bar__text{font-size:.78rem;font-weight:300;letter-spacing:.03em;color:rgba(255,255,255,.8)}
.announce-bar__cta{font-size:.75rem;font-weight:400;letter-spacing:.06em;color:var(--white);border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-pill);padding:4px 16px;white-space:nowrap;transition:background var(--transition),border-color var(--transition)}
.announce-bar__cta:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.7)}

/* ── NAV ── */
.nav{position:relative;height:var(--nav-h);background:rgba(255,255,255,.9);backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid var(--border);transition:box-shadow var(--transition)}
.nav.is-scrolled{box-shadow:0 1px 0 var(--border)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav__brand{display:flex;align-items:center;gap:12px}
.nav__brand-divider{width:1px;height:30px;background:var(--border);flex-shrink:0}
.nav__brand-text{display:flex;flex-direction:column;gap:2px}
.nav__brand-name{font-size:1.35rem;font-weight:400;color:var(--black);letter-spacing:-.02em;line-height:1}
.nav__brand-tagline{font-size:.62rem;font-weight:300;color:#3a3a3a;letter-spacing:.06em;line-height:1}
.nav__brand-sub{font-size:.72rem;font-weight:300;color:var(--muted);letter-spacing:.04em}
.nav__logo{height:32px;width:auto;display:block}
.nav__links{display:flex;gap:4px;list-style:none}
.nav__links a{display:inline-flex;align-items:center;height:36px;padding:0 12px;font-size:.92rem;font-weight:300;color:var(--black);border:1.5px solid transparent;border-radius:var(--radius-pill);transition:all var(--transition)}
.nav__links a:hover{color:var(--black);border-color:var(--black)}
.nav__cta{display:inline-flex;align-items:center;gap:12px;background:var(--black);color:var(--white);border:1px solid var(--black);border-radius:var(--radius-pill);padding:10px 22px;font-size:.92rem;font-weight:300;white-space:nowrap;transition:background var(--transition),border-color var(--transition)}
.nav__cta:hover{background:#1A1A1A;border-color:#1A1A1A}
.nav__mobile-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--black);cursor:pointer}

/* ── MOBILE NAV ── */
@media(max-width:960px){
  .nav__cta{display:none}
  .nav__mobile-toggle{display:block}
  .nav__brand-divider{display:none}
  .nav__logo{height:26px}
  .nav__brand-name{font-size:.95rem}
}
@media(max-width:540px){
  .announce-bar{font-size:.72rem;padding:.4rem 1rem}
}

/* ── MOBILE SECTIONS ── */
@media(max-width:960px){
  .section,.section-dark,.section-surface{padding:60px 0}
}
@media(max-width:540px){
  .section,.section-dark,.section-surface{padding:48px 0}
  .pill-btn{padding:12px 20px;font-size:.85rem}
  .reg-form-wrap{padding:24px 18px}
}

/* ── PILL BUTTONS ── */
.pill-btn{display:inline-flex;align-items:center;gap:12px;border-radius:var(--radius-pill);padding:14px 28px;font-family:"IBM Plex Sans JP",sans-serif;font-size:.9rem;font-weight:300;cursor:pointer;border:1px solid transparent;transition:background var(--transition),border-color var(--transition),color var(--transition);text-decoration:none}
.pill-btn--white{background:var(--white);color:var(--black);border-color:var(--white)}
.pill-btn--white:hover{background:rgba(255,255,255,.88);border-color:rgba(255,255,255,.88)}
.pill-btn--ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.4)}
.pill-btn--ghost:hover{background:rgba(255,255,255,.07);border-color:var(--white)}
.pill-btn--dark{background:var(--black);color:var(--white);border-color:var(--black)}
.pill-btn--dark:hover{background:#1A1A1A;border-color:#1A1A1A}
.pill-btn--outline{background:transparent;color:var(--black);border-color:var(--border)}
.pill-btn--outline:hover{border-color:var(--black)}

/* ── ENROLL LINK ── */
.enroll-link{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;font-size:.85rem;font-weight:300;color:var(--white);background:var(--black);border:1.5px solid var(--black);border-radius:0;box-shadow:0 4px 20px rgba(0,0,0,.28);transition:background var(--transition),color var(--transition),border-color var(--transition)}
.enroll-link:hover,.enroll-link:active{background:var(--white);color:var(--black)}

/* ── SHARED SECTION ATOMS ── */
.section      {padding:96px 0;background:var(--white);color:var(--black)}
.section-dark {padding:96px 0;background:var(--black);color:var(--white)}
.section-surface{padding:96px 0;background:var(--bg-surface);color:var(--black)}
.eyebrow-label{display:block;font-size:.7rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.section-dark .eyebrow-label{color:rgba(255,255,255,.45)}
.section-h{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:300;letter-spacing:-.02em;line-height:1.12;margin-bottom:14px}
.section-p{font-size:.97rem;font-weight:300;color:var(--muted);line-height:1.75}
.section-dark .section-p{color:rgba(255,255,255,.65)}
.section-head{text-align:center;max-width:680px;margin:0 auto 64px}

/* ── FORM ── */
.reg-form-wrap{border:1px solid var(--border);border-radius:var(--radius-md);padding:32px}
.form-title{font-size:1.25rem;font-weight:300;letter-spacing:-.01em;color:var(--black);margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.7rem;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--black);font-family:"IBM Plex Sans JP",sans-serif;font-size:.88rem;font-weight:300;transition:border-color var(--transition),background var(--transition);appearance:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--black);background:var(--white)}
.form-group textarea{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* required dot + optional tag */
.req-dot{display:inline-block;width:6px;height:6px;background:var(--black);border-radius:50%;margin-right:5px;vertical-align:middle;position:relative;top:-1px}
.opt-tag{font-size:.65rem;font-weight:300;color:var(--muted);text-transform:none;letter-spacing:0;margin-left:4px;opacity:.7}

/* field error states */
.has-error input,.has-error select,.has-error textarea{border-color:#c0392b!important;background:#fff8f8}
.has-error.checkbox-row{padding:6px 8px;background:#fff8f8;border-radius:var(--radius-sm)}
.field-error{display:block;font-size:.72rem;color:#c0392b;margin-top:5px;font-weight:300}

.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;border:1.5px solid transparent;border-radius:var(--radius-sm);transition:all var(--transition)}
.checkbox-row input[type="checkbox"]{width:14px;height:14px;accent-color:var(--black);margin-top:3px;flex-shrink:0}
.checkbox-row label{font-size:.78rem;font-weight:300;color:var(--muted);line-height:1.55}
.checkbox-row a{color:var(--black);border-bottom:1px solid currentColor;padding-bottom:1px}
.form-security{display:flex;align-items:center;gap:8px;font-size:.72rem;font-weight:300;color:var(--muted);padding:10px 12px;background:var(--bg-surface);border-radius:var(--radius-sm);margin-bottom:14px}
.submit-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;background:var(--black);color:var(--white);border:1px solid var(--black);border-radius:var(--radius-pill);font-family:"IBM Plex Sans JP",sans-serif;font-size:.9rem;font-weight:300;cursor:pointer;transition:background var(--transition),border-color var(--transition)}
.submit-btn:hover{background:#1A1A1A;border-color:#1A1A1A}
.submit-btn:disabled{opacity:.5;cursor:not-allowed}

/* ── HONEYPOT (spam trap — hidden from real users) ── */
.reg-honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}

/* ── TOAST ── */
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(80px);background:var(--black);color:var(--white);padding:12px 24px;border-radius:var(--radius-pill);font-size:.82rem;font-weight:300;z-index:200;opacity:0;transition:all .35s cubic-bezier(.4,0,.2,1);white-space:nowrap;border:1px solid rgba(255,255,255,.15)}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* ── SCROLL-TO-TOP ── */
.scroll-top{position:fixed;bottom:28px;right:22px;width:40px;height:56px;border:none;border-radius:var(--radius-pill);background:var(--white);color:var(--black);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:all var(--transition);z-index:99;box-shadow:0 2px 12px rgba(0,0,0,.1)}
.scroll-top::before{content:"";width:8px;height:8px;border-top:1.5px solid currentColor;border-left:1.5px solid currentColor;transform:rotate(45deg);margin-top:4px}
.scroll-top.is-visible{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-2px)}

/* ─── Cookie consent banner ─────────────────────────────── */
.cookie-banner{
  position:fixed;
  left:24px;
  right:24px;
  bottom:24px;
  z-index:1000;
  max-width:520px;
  margin-left:auto;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:20px 22px;
  background:var(--bg-dark);
  color:var(--white);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-md);
  box-shadow:0 12px 40px rgba(0,0,0,0.28);
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--transition),transform var(--transition);
}
.cookie-banner.is-visible{opacity:1;transform:translateY(0)}
.cookie-banner__text{font-size:0.875rem;line-height:1.55;color:#D4D4D4}
.cookie-banner__text a{color:var(--white);text-decoration:underline;text-underline-offset:2px}
.cookie-banner__actions{display:flex;gap:10px;justify-content:flex-end}
.cookie-banner__btn{
  cursor:pointer;
  padding:9px 20px;
  font-size:0.8125rem;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  transition:background var(--transition),color var(--transition),border-color var(--transition);
}
.cookie-banner__btn--solid{background:var(--white);color:var(--black)}
.cookie-banner__btn--solid:hover{background:#E5E5E5}
.cookie-banner__btn--ghost{background:transparent;color:var(--white);border-color:var(--border-dark)}
.cookie-banner__btn--ghost:hover{border-color:var(--white)}
@media (max-width:560px){
  .cookie-banner{left:16px;right:16px;bottom:16px;padding:18px}
  .cookie-banner__actions{justify-content:stretch}
  .cookie-banner__btn{flex:1}
}