/* =========================================================
   全慧文理短期補習班 — course.css
   課程頁：沿用 style.css 的色票、元件與斷點（768px／1024px），只補課程頁才有的區塊
   ========================================================= */

/* ---------- 主視覺 ---------- */
.course-hero { padding-block: 20px 56px; }
.course-hero .breadcrumb { margin-bottom: 20px; }
.course-hero .hero-title { font-size: clamp(1.875rem, 8vw, 3.25rem); }
.course-hero-desc { margin-top: 14px; color: var(--c-ink-soft); max-width: 34em; }
.course-hero .hero-cta .btn { flex: 0 1 auto; }
.course-hero-meta {
  display: inline-block; margin-top: 18px; padding: 4px 14px;
  border-radius: var(--radius-pill); background: var(--c-red); color: #fff;
  font-size: .9375rem; font-weight: 700; letter-spacing: .04em;
}
.course-hero-card {
  background: #fff; border-radius: var(--radius-lg); padding: 24px 22px;
  box-shadow: var(--shadow); border: 2px solid var(--c-sky);
}
.course-hero-card-title { font-size: 1.25rem; font-weight: 900; color: var(--c-royal); margin-bottom: 12px; }
.course-hero-card .point-list li { font-weight: 500; }
.course-hero-card .hero-chips { margin-top: 14px; }

/* ---------- 三科加強重點 ---------- */
.course-tags { margin-top: 0; }
.course-card-text { margin-top: 14px; color: var(--c-ink-soft); }

/* ---------- 課程特色（兩張卡） ---------- */
.course-two-grid { max-width: 880px; margin-inline: auto; }

/* ---------- 課程規劃方向：四步驟流程 ---------- */
.course-steps { display: grid; gap: 28px; counter-reset: none; }
.course-step {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  border: 2px solid var(--c-sky); padding: 22px 20px; box-shadow: var(--shadow-sm);
}
.course-step h3 { margin: 10px 0 6px; font-size: 1.25rem; font-weight: 900; color: var(--c-royal); }
.course-step p { color: var(--c-ink-soft); }
.course-step:nth-child(2) .about-row-num { background: var(--c-royal); }
.course-step:nth-child(3) .about-row-num { background: var(--c-red); }
.course-step:nth-child(4) .about-row-num { background: var(--c-line-dark); }
/* 步驟之間的箭頭：手機向下 */
.course-step + .course-step::before {
  content: ""; position: absolute; left: 50%; top: -23px;
  width: 14px; height: 14px; margin-left: -7px;
  border-right: 4px solid var(--c-orange); border-bottom: 4px solid var(--c-orange);
  transform: rotate(45deg);
}
.course-highlight {
  margin: 36px auto 0; max-width: 960px; text-align: center;
  font-size: clamp(1.25rem, 4.6vw, 1.75rem); font-weight: 900; line-height: 1.6; color: var(--c-royal);
  background: #fff; border-radius: var(--radius-lg); padding: 22px 20px; box-shadow: var(--shadow);
  border: 3px solid var(--c-yellow);
}
.course-highlight mark {
  display: inline-block; color: var(--c-red);
  background: linear-gradient(transparent 62%, rgba(255, 227, 77, .8) 0);
}

/* ---------- 預約表單 ---------- */
.consult-card {
  max-width: 820px; margin-inline: auto; background: #fff;
  border-radius: var(--radius-lg); padding: 24px 18px 28px; box-shadow: var(--shadow);
}
.form-note { font-size: .875rem; color: var(--c-muted); margin-bottom: 8px; }
.req { color: var(--c-red); font-weight: 700; }
.form-hint { font-weight: 500; font-size: .8125rem; color: var(--c-muted); }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-section { border: 0; margin: 0; padding: 18px 0 6px; border-top: 1px dashed var(--c-border); }
.form-section:first-of-type { border-top: 0; }
.form-section legend { padding: 0; margin-bottom: 12px; font-size: 1.125rem; }
.form-grid { display: grid; gap: 4px 18px; }
.form-field { margin-bottom: 14px; scroll-margin-top: calc(var(--header-h) + 24px); }
.form-label { display: block; margin-bottom: 6px; font-weight: 700; color: var(--c-ink); }
.form-control {
  width: 100%; min-height: 48px; padding: 10px 14px;
  font: inherit; font-size: 1rem; color: var(--c-ink);
  background: #fff; border: 2px solid var(--c-border); border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s;
}
.form-control:focus { outline: none; border-color: var(--c-royal); box-shadow: 0 0 0 3px rgba(26, 63, 168, .15); }
.form-control[readonly] { background: var(--c-sky-soft); color: var(--c-royal); font-weight: 700; }
textarea.form-control { min-height: 110px; resize: vertical; line-height: 1.7; }

.choice-group { display: flex; flex-wrap: wrap; gap: 10px; }
.choice { position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 6px 16px;
  border: 2px solid var(--c-border); border-radius: var(--radius-pill);
  font-weight: 700; font-size: .9375rem; color: var(--c-ink-soft); background: #fff;
  transition: background-color .2s, border-color .2s, color .2s;
}
.choice:hover span { border-color: var(--c-royal); }
.choice input:checked + span { background: var(--c-royal); border-color: var(--c-royal); color: #fff; }
.choice input:focus-visible + span { outline: 3px solid var(--c-orange); outline-offset: 2px; }

.consent { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-weight: 500; }
.consent input { flex: none; width: 22px; height: 22px; margin-top: 4px; accent-color: var(--c-royal); }
.form-consent { padding-top: 14px; border-top: 1px dashed var(--c-border); }

.form-error { display: none; margin-top: 6px; font-size: .875rem; font-weight: 700; color: var(--c-red); }
.form-field.is-invalid .form-error { display: block; }
.form-field.is-invalid .form-control,
.form-field.is-invalid .choice span { border-color: var(--c-red); }

.form-actions { margin-top: 8px; text-align: center; }
.form-actions .btn { min-width: 220px; }
.form-actions .btn[disabled] { opacity: .65; cursor: progress; transform: none; }
.form-status {
  margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm);
  background: #ffe1e2; color: var(--c-red-dark); font-weight: 700; text-align: center;
}
.form-success { text-align: center; padding: 24px 8px; }
.form-success:focus { outline: none; }
.form-success-title { font-size: 1.5rem; font-weight: 900; color: var(--c-royal); margin-bottom: 10px; }
.form-success p { color: var(--c-ink-soft); }
.form-success a { color: var(--c-red); font-weight: 900; }

/* =========================================================
   ≥ 768px 平板
   ========================================================= */
@media (min-width: 768px) {
  .course-hero { padding-block: 32px 72px; }
  .consult-card { padding: 36px 40px 40px; }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .course-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 32px; }
  .course-step + .course-step::before { content: none; }
}

/* =========================================================
   ≥ 1024px 桌機
   ========================================================= */
@media (min-width: 1024px) {
  .course-hero { padding-block: 40px 88px; }
  .course-hero .hero-inner { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .course-two-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* 四步驟橫向排列，中間加箭頭 */
  .course-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 36px; }
  .course-step + .course-step::before {
    content: ""; left: -27px; top: 50%; margin: -7px 0 0;
    border-bottom: 0; border-top: 4px solid var(--c-orange);
  }
}