/* ============================================================
   KEYPOINT — Lessons Page Styles
   ============================================================ */

/* Page Hero */
.page-hero {
  position: relative;
  padding: 120px 22px 80px;
  text-align: center;
  overflow: hidden;
}
.page-hero__inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }

.lp-orb {
  position: absolute; border-radius: 50%;
  filter: blur(100px); pointer-events: none;
}
.lp-orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,102,204,0.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: ag-float-slow 10s ease-in-out infinite;
}
.lp-orb--2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(41,151,255,0.12) 0%, transparent 70%);
  bottom: 0; left: -60px;
  animation: ag-float-slow 8s ease-in-out infinite reverse;
}
.lp-floater {
  position: absolute; font-size: 32px;
  color: rgba(41,151,255,0.3); pointer-events: none;
  top: 30%; left: 6%;
  animation: ag-float 7s ease-in-out infinite;
}
.lp-floater--2 { font-size: 48px; top: 20%; right: 8%; animation: ag-float-reverse 9s ease-in-out infinite; }
.lp-floater--3 { font-size: 24px; bottom: 25%; right: 20%; animation: ag-float-slow 6s ease-in-out infinite; }

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: 48px;
  align-items: start;
}

/* Course Card */
.course-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ag-ease), box-shadow 0.4s var(--ag-ease);
  animation: ag-float 8s ease-in-out infinite;
}
.course-card:nth-child(2) { animation-delay: 2.5s; }
.course-card:nth-child(3) { animation-delay: 5s; }
.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(0,102,204,0.12);
}

.course-card__header {
  position: relative;
  padding: 40px var(--space-xl) 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.course-card__header--blue    { background: linear-gradient(135deg, rgba(0,102,204,0.12), rgba(41,151,255,0.06)); }
.course-card__header--dark    { background: linear-gradient(135deg, var(--surface-tile-1), var(--surface-tile-2)); }
.course-card__header--parchment { background: var(--canvas-parchment); }
.course-card__header--yellow  { background: linear-gradient(135deg, rgba(255, 204, 0, 0.15), rgba(255, 204, 0, 0.05)); }

.course-card__emoji {
  font-size: 52px;
  animation: ag-float-slow 5s ease-in-out infinite;
  line-height: 1;
}
.course-card__tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: rgba(0,102,204,0.1);
  padding: 4px 10px;
  border-radius: var(--rounded-pill);
  border: 1px solid rgba(0,102,204,0.2);
}

.course-card__body { padding: var(--space-xl); }

.course-card__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-bottom: 4px;
}
.course-card__level {
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-muted-48);
  letter-spacing: 0.3px;
  margin-bottom: 14px;
}
.course-card__desc {
  font-size: 15px;
  color: var(--ink-muted-80);
  line-height: 1.55;
  margin-bottom: 18px;
}
.course-card__features {
  list-style: none;
  margin-bottom: 24px;
}
.course-card__features li {
  font-size: 14px;
  color: var(--ink-muted-80);
  padding: 4px 0;
  border-bottom: 1px solid var(--divider-soft);
}
.course-card__features li:last-child { border-bottom: none; }

/* Toggle Button */
.course-card__toggle {
  width: 100%;
  font-size: 14px;
  padding: 10px 20px;
  transition: transform 0.4s var(--ag-ease), box-shadow 0.4s var(--ag-ease), background 0.2s, color 0.2s;
}
.course-card__toggle.open {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}

/* Course Detail (expandable) */
.course-detail {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.6s var(--ag-ease), opacity 0.4s ease, margin 0.4s ease;
  margin-top: 0;
}
.course-detail.open {
  max-height: 800px;
  opacity: 1;
  margin-top: 24px;
}

/* Curriculum Steps */
.detail-curriculum { margin-bottom: 24px; }
.detail-curriculum h4,
.detail-pricing h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-muted-48);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}

.curriculum-steps { display: flex; flex-direction: column; gap: 12px; }
.curriculum-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.cs-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: ag-float-slow 4s ease-in-out infinite;
}
.curriculum-step:nth-child(2) .cs-num { animation-delay: 1s; }
.curriculum-step:nth-child(3) .cs-num { animation-delay: 2s; }
.curriculum-step:nth-child(4) .cs-num { animation-delay: 3s; }
.curriculum-step div strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.curriculum-step div p {
  font-size: 13px;
  color: var(--ink-muted-48);
  line-height: 1.4;
}

/* Price Table */
.detail-pricing { margin-bottom: 0; }
.price-table { display: flex; flex-direction: column; gap: 0; }
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--divider-soft);
  font-size: 14px;
}
.price-row:last-child { border-bottom: none; }
.price-row span:first-child { color: var(--ink-muted-80); }
.price-val {
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
}
.price-row--featured {
  background: rgba(0,102,204,0.04);
  margin: 0 -8px;
  padding: 10px 8px;
  border-radius: var(--rounded-xs);
}
.price-row--featured .price-val { color: var(--primary); }

/* Why Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: 40px;
}
.why-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--rounded-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: left;
  transition: transform 0.4s var(--ag-ease), box-shadow 0.4s var(--ag-ease);
  animation: ag-float 7s ease-in-out infinite;
}
.why-item:nth-child(2) { animation-delay: 1.5s; }
.why-item:nth-child(3) { animation-delay: 3s; }
.why-item:nth-child(4) { animation-delay: 4.5s; }
.why-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0,102,204,0.2);
}
.why-item__icon {
  font-size: 32px;
  margin-bottom: 14px;
  animation: ag-float-slow 5s ease-in-out infinite;
}
.why-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--on-dark);
  margin-bottom: 8px;
}
.why-item p {
  font-size: 14px;
  color: var(--body-muted);
  line-height: 1.5;
}

/* Price Hidden Notice */
.price-hidden-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(0,102,204,0.05);
  border: 1px solid rgba(0,102,204,0.15);
  border-radius: var(--rounded-md);
  padding: 16px;
  margin-bottom: 4px;
}
.price-hidden-notice__icon {
  font-size: 24px;
  flex-shrink: 0;
  animation: ag-float-slow 4s ease-in-out infinite;
}
.price-hidden-notice strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}
.price-hidden-notice p {
  font-size: 13px;
  color: var(--ink-muted-48);
  line-height: 1.5;
}

/* Inquiry Form */
.inquiry-form {
  animation: ag-fade-up 0.5s var(--ag-ease) both;
}
.inquiry-success {
  animation: ag-fade-up 0.5s var(--ag-ease) both;
}

/* field-row / field-textarea (mirror from feedback.css) */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field-textarea {
  height: auto !important;
  padding: 14px 16px;
  resize: vertical;
  min-height: 90px;
  line-height: 1.55;
}
.required-star {
  color: #ff3b30;
  font-weight: 700;
  margin-left: 2px;
}

/* Responsive */
@media (max-width: 833px) {
  .courses-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .courses-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}

/* ======================================================
   NEW: Dark Split Inquiry Section
   ====================================================== */
.inq-dark-section {
  position: relative;
  background: #000;
  padding: 100px 40px;
  overflow: hidden;
}
.inq-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.inq-bg-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,102,204,0.25) 0%, transparent 70%);
  top: -150px; left: -100px;
  animation: ag-float-slow 12s ease-in-out infinite;
}
.inq-bg-orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(41,151,255,0.15) 0%, transparent 70%);
  bottom: -100px; right: -100px;
  animation: ag-float-slow 10s ease-in-out infinite reverse;
}

.inq-split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Left Info */
.inq-tagline {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #2997ff;
  margin-bottom: 20px;
}
.inq-headline {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 600;
  letter-spacing: -0.5px;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 20px;
}
.inq-body {
  font-size: 17px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 40px;
}
.inq-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.inq-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.inq-feature-icon {
  font-size: 24px;
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.inq-feature-title {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2px;
}
.inq-feature-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* Right Form Card */
.inq-form-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 40px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: ag-float 8s ease-in-out infinite;
}
.inq-form-title {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.3px;
  margin-bottom: 28px;
}

/* Dark mode fields */
.inq-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.inq-field-group { margin-bottom: 16px; }
.inq-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 7px;
}
.inq-required { color: #ff6b6b; }
.inq-input {
  width: 100%;
  height: 50px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 0 15px;
  font-size: 15px;
  color: #fff;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  -webkit-appearance: none;
}
.inq-input:focus {
  border-color: #2997ff;
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 3px rgba(41,151,255,0.2);
}
.inq-input::placeholder { color: rgba(255,255,255,0.22); }
.inq-textarea {
  height: auto !important;
  padding: 14px 15px;
  resize: none;
  min-height: 100px;
  line-height: 1.55;
}
.inq-select-wrap { position: relative; }
.inq-select { padding-right: 36px; cursor: pointer; }
.inq-select option { background: #1d1d1f; color: #fff; }
.inq-chevron {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: rgba(255,255,255,0.4);
}
.inq-error {
  display: block;
  font-size: 12px;
  color: #ff6b6b;
  margin-top: 5px;
  min-height: 16px;
}

/* Submit button */
.inq-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px 24px;
  margin-top: 8px;
  background: #0066cc;
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.23,1,0.32,1),
              box-shadow 0.25s cubic-bezier(0.23,1,0.32,1),
              background 0.2s ease;
}
.inq-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,102,204,0.5);
  background: #0071e3;
}
.inq-submit-btn:active { transform: scale(0.97); }
.inq-submit-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

/* Success state */
.inq-success {
  text-align: center;
  padding: 48px 20px;
  animation: ag-fade-up 0.5s ease both;
}
.inq-success-icon { font-size: 56px; margin-bottom: 16px; animation: ag-float 4s ease-in-out infinite; }
.inq-success-title { font-size: 24px; font-weight: 600; color: #fff; margin-bottom: 10px; }
.inq-success-body { font-size: 15px; color: rgba(255,255,255,0.55); line-height: 1.6; }

@media (max-width: 900px) {
  .inq-split { grid-template-columns: 1fr; gap: 48px; }
  .inq-dark-section { padding: 72px 24px; }
}
@media (max-width: 480px) {
  .inq-field-row { grid-template-columns: 1fr; }
  .inq-form-card { padding: 28px 20px; }
}