/* =============================================================
   CparraStudio — Course Drawer + Payment Gateway
   Carga DESPUÉS de animations.css
   ============================================================= */

/* ========================= COURSE DRAWER ========================= */

.course-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(58, 42, 32, 0.55);
  backdrop-filter: blur(6px);
  z-index: 950;
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms var(--ease-soft);
}

.course-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.course-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(620px, 100vw);
  height: 100vh;
  background: var(--cream);
  z-index: 951;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(105%);
  transition: transform 460ms cubic-bezier(0.22, 0.61, 0.36, 1);
  box-shadow: -24px 0 60px rgba(58, 42, 32, 0.2);
  -webkit-overflow-scrolling: touch;
}

.course-drawer-overlay.open .course-drawer {
  transform: translateX(0);
}

.drawer-close {
  position: absolute;
  top: var(--s-4); right: var(--s-4);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(250, 245, 238, 0.95);
  backdrop-filter: blur(8px);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 5;
  transition: all var(--t-fast) var(--ease-soft);
  border: 1px solid var(--hairline);
}

.drawer-close:hover {
  background: var(--ink);
  color: var(--cream);
  transform: rotate(90deg);
}

.drawer-hero {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.drawer-hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.drawer-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(58, 42, 32, 0.05) 0%, rgba(58, 42, 32, 0.85) 100%);
}

.drawer-hero-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: var(--s-7) var(--s-6) var(--s-5);
  color: var(--cream);
  z-index: 2;
}

.drawer-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(250, 245, 238, 0.2);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: var(--s-3);
}

.drawer-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--s-2);
  color: var(--cream);
}

.drawer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: var(--fs-18);
  color: rgba(250, 245, 238, 0.85);
  line-height: 1.4;
}

.drawer-body {
  padding: var(--s-6);
}

.drawer-demo-banner {
  background: var(--gold);
  color: var(--mocha);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: var(--s-5);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.drawer-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-bottom: var(--s-6);
  padding: var(--s-4);
  background: var(--champagne);
  border-radius: var(--r-md);
}

.drawer-meta-item {
  text-align: center;
}

.drawer-meta-item .lbl {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faded);
  font-weight: 600;
  margin-bottom: 4px;
}

.drawer-meta-item .val {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 500;
  color: var(--ink);
}

.drawer-instructor {
  display: flex;
  gap: var(--s-4);
  padding: var(--s-5);
  background: var(--surface);
  border-radius: var(--r-md);
  border: 1px solid var(--hairline);
  margin-bottom: var(--s-6);
  align-items: center;
}

.drawer-instructor img {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--gold);
}

.drawer-instructor .role {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 700;
  margin-bottom: 2px;
}

.drawer-instructor .name {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 500;
  margin-bottom: 4px;
}

.drawer-instructor .bio {
  font-size: var(--fs-13, 0.82rem);
  color: var(--ink-soft);
  line-height: 1.4;
}

.drawer-section {
  margin-bottom: var(--s-7);
}

.drawer-section h3 {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 500;
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--hairline);
}

.learn-list {
  list-style: none;
  padding: 0;
}

.learn-list li {
  padding: var(--s-3) 0;
  padding-left: 36px;
  position: relative;
  font-size: var(--fs-15, 0.95rem);
  line-height: 1.5;
  color: var(--ink);
}

.learn-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: var(--s-3);
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--terracotta);
  color: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}

.modules-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.module-item {
  display: flex;
  gap: var(--s-4);
  align-items: center;
  padding: var(--s-4);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  transition: all var(--t-fast) var(--ease-soft);
}

.module-item.unlocked {
  background: rgba(232, 196, 176, 0.25);
  border-color: var(--rose-blush);
}

.module-item.unlocked:hover {
  transform: translateX(4px);
  border-color: var(--terracotta);
  cursor: pointer;
}

.module-status {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-18);
  background: var(--champagne);
  color: var(--ink-faded);
}

.module-item.unlocked .module-status {
  background: var(--terracotta);
  color: var(--cream);
}

.module-info {
  flex: 1;
  min-width: 0;
}

.module-info h4 {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.3;
}

.module-info .module-meta {
  font-size: var(--fs-12);
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.module-tag {
  flex-shrink: 0;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--r-full);
}

.module-item.unlocked .module-tag {
  background: var(--gold);
  color: var(--mocha);
}

.module-item:not(.unlocked) .module-tag {
  background: rgba(168, 154, 141, 0.18);
  color: var(--ink-faded);
}

.drawer-pricing {
  background: linear-gradient(135deg, var(--mocha) 0%, var(--terracotta-deep) 100%);
  color: var(--cream);
  padding: var(--s-6);
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
  margin-top: var(--s-6);
}

.drawer-pricing::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, var(--gold), transparent 60%);
  opacity: 0.35;
}

.drawer-pricing .price-label {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: var(--s-3);
  position: relative;
}

.drawer-pricing .price-row {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
  position: relative;
}

.drawer-pricing .price-amount {
  font-family: var(--font-display);
  font-size: var(--fs-72);
  font-weight: 400;
  line-height: 1;
  color: var(--cream);
}

.drawer-pricing .price-old {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  color: rgba(250, 245, 238, 0.5);
  text-decoration: line-through;
}

.drawer-pricing .price-perks {
  font-size: var(--fs-13, 0.82rem);
  color: rgba(250, 245, 238, 0.78);
  margin-bottom: var(--s-5);
  line-height: 1.5;
  position: relative;
}

.drawer-pricing .price-perks li {
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
  list-style: none;
}

.drawer-pricing .price-perks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* ========================= PAYMENT MODAL ========================= */

.payment-overlay {
  position: fixed;
  inset: 0;
  background: rgba(58, 42, 32, 0.6);
  backdrop-filter: blur(12px);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms var(--ease-soft);
}

.payment-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.payment-modal {
  background: var(--cream);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  transform: translateY(40px) scale(0.96);
  transition: transform 380ms cubic-bezier(0.22, 0.61, 0.36, 1);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(201, 166, 106, 0.3);
}

.payment-overlay.open .payment-modal {
  transform: translateY(0) scale(1);
}

.payment-close {
  position: absolute;
  top: var(--s-4); right: var(--s-4);
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-20);
  color: var(--ink);
  z-index: 5;
  transition: all var(--t-fast) var(--ease-soft);
}

.payment-close:hover {
  background: var(--ink);
  color: var(--cream);
  transform: rotate(90deg);
}

.payment-header {
  padding: var(--s-7) var(--s-6) var(--s-5);
  text-align: center;
  background: linear-gradient(180deg, var(--champagne) 0%, transparent 100%);
}

.payment-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: var(--gold);
  color: var(--mocha);
  border-radius: var(--r-full);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: var(--s-3);
}

.payment-header h3 {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  font-weight: 500;
  margin-bottom: var(--s-2);
}

.payment-header p {
  font-size: var(--fs-13, 0.82rem);
  color: var(--ink-soft);
}

.payment-steps-bar {
  display: flex;
  justify-content: center;
  gap: var(--s-2);
  padding: 0 var(--s-6) var(--s-5);
}

.pstep {
  flex: 1;
  height: 4px;
  background: var(--hairline-strong);
  border-radius: var(--r-full);
  position: relative;
  transition: background 360ms var(--ease-soft);
}

.pstep.active, .pstep.done {
  background: var(--terracotta);
}

.pstep.done::after {
  content: "✓";
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  color: var(--terracotta);
  font-weight: 700;
}

.payment-body {
  padding: 0 var(--s-6) var(--s-7);
  position: relative;
  min-height: 320px;
}

.payment-step {
  display: none;
  animation: pstep-in 420ms var(--ease-soft);
}

.payment-step.active {
  display: block;
}

@keyframes pstep-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ----- Back button (step 2) ----- */
.payment-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 6px 10px;
  margin: 0 0 var(--s-3) -10px;
  font-size: var(--fs-13, 0.82rem);
  color: var(--ink-soft);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  border-radius: var(--r-md);
  transition: all 180ms var(--ease-soft);
}

.payment-back:hover,
.payment-back:active {
  color: var(--terracotta-deep);
  background: var(--champagne);
}

.payment-back .back-arrow {
  display: inline-block;
  transition: transform 180ms var(--ease-soft);
  font-weight: 700;
}

.payment-back:hover .back-arrow,
.payment-back:active .back-arrow {
  transform: translateX(-3px);
}

/* ----- Step 1: Plan summary ----- */
.plan-summary {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: var(--s-5);
  margin-bottom: var(--s-5);
}

.plan-summary-row {
  display: flex;
  gap: var(--s-4);
  align-items: center;
}

.plan-summary img {
  width: 80px; height: 80px;
  border-radius: var(--r-md);
  object-fit: cover;
}

.plan-summary .info { flex: 1; }
.plan-summary h4 {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 500;
  margin-bottom: 2px;
}

.plan-summary .info-tag {
  font-size: var(--fs-12);
  color: var(--gold-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}

.plan-summary .info-meta {
  font-size: var(--fs-13, 0.82rem);
  color: var(--ink-soft);
}

.plan-totals {
  margin: var(--s-5) 0;
  padding: var(--s-4) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.plan-line {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: var(--fs-14);
  color: var(--ink-soft);
}

.plan-line.discount { color: var(--terracotta-deep); font-weight: 600; }

.plan-line.total {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  color: var(--ink);
  padding-top: var(--s-3);
  margin-top: var(--s-3);
  border-top: 1px solid var(--hairline);
  font-weight: 500;
}

.plan-line.total .total-lbl {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink);
}

/* ----- Step 2: Card form ----- */
.card-preview {
  perspective: 1200px;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 16/10;
  margin: 0 auto var(--s-5);
}

.card-faces {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 700ms cubic-bezier(0.65, 0, 0.35, 1);
}

.card-faces.flipped { transform: rotateY(180deg); }

.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 14px;
  padding: 18px;
  color: var(--cream);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(circle at 70% 30%, rgba(201, 166, 106, 0.35), transparent 50%),
    linear-gradient(135deg, var(--mocha) 0%, var(--terracotta-deep) 100%);
  box-shadow: 0 16px 40px rgba(58, 42, 32, 0.28);
  overflow: hidden;
}

.card-front::before {
  content: "";
  position: absolute;
  top: 18px; left: 18px;
  width: 36px; height: 28px;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border-radius: 5px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

.card-front::after {
  content: "";
  position: absolute;
  top: 26px; left: 64px;
  width: 12px; height: 12px;
  border: 1.5px solid rgba(250, 245, 238, 0.6);
  border-radius: 50%;
  box-shadow: -8px 0 0 -1.5px rgba(250, 245, 238, 0.6);
}

.card-brand {
  position: absolute;
  top: 18px; right: 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-20);
  letter-spacing: 0.03em;
  color: var(--cream);
  transition: opacity var(--t-fast) var(--ease-soft);
}

.card-number {
  font-family: "Courier New", monospace;
  font-size: var(--fs-20);
  letter-spacing: 0.16em;
  margin-top: 56px;
  font-weight: 600;
  word-spacing: 0.1em;
}

.card-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 12px;
}

.card-row .lbl {
  font-size: 8.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 2px;
}

.card-row .val {
  font-family: "Courier New", monospace;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.card-back { transform: rotateY(180deg); padding: 0; }

.card-back .strip {
  width: 100%;
  height: 38px;
  background: var(--ink);
  margin-top: 24px;
}

.card-back .cvv-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 18px;
  margin-top: 18px;
}

.card-back .cvv-bg {
  flex: 1;
  height: 36px;
  background: rgba(250, 245, 238, 0.95);
  color: var(--ink);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 12px;
  font-family: "Courier New", monospace;
  font-size: var(--fs-16);
  letter-spacing: 0.08em;
  font-weight: 700;
}

.card-back .cvv-label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.6;
}

.card-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.card-form .form-field { margin-bottom: 0; }

/* Secured by row */
.payment-secured {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  margin-top: var(--s-4);
  font-size: var(--fs-12);
  color: var(--ink-faded);
  letter-spacing: 0.04em;
}

.payment-secured strong { color: var(--ink-soft); font-weight: 600; }

/* ----- Step 3: Processing ----- */
.processing-wrap {
  text-align: center;
  padding: var(--s-5) 0;
}

.processing-icon {
  width: 80px; height: 80px;
  margin: 0 auto var(--s-5);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--terracotta));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-32);
  position: relative;
  animation: gentle-pulse 1.6s ease-in-out infinite;
}

.processing-icon::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  opacity: 0;
  animation: ring-expand 2s ease-out infinite;
}

@keyframes ring-expand {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.6); opacity: 0; }
}

.processing-title {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 500;
  margin-bottom: var(--s-2);
}

.processing-sub {
  color: var(--ink-soft);
  font-size: var(--fs-14);
  margin-bottom: var(--s-6);
}

.processing-steps {
  list-style: none;
  padding: 0;
  max-width: 360px;
  margin: 0 auto;
  text-align: left;
}

.processing-step {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 400ms var(--ease-soft);
  font-size: var(--fs-15, 0.95rem);
  color: var(--ink-soft);
}

.processing-step.active {
  opacity: 1;
  transform: translateX(0);
  color: var(--ink);
}

.processing-step.done .check {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: var(--cream);
}

.processing-step .check {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--hairline-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-14);
  font-weight: 700;
  color: transparent;
  transition: all 360ms var(--ease-soft);
  flex-shrink: 0;
}

.processing-step.active .check {
  border-color: var(--terracotta);
  border-top-color: transparent;
  border-right-color: transparent;
  animation: spin 700ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-step.done .check { animation: none; color: var(--cream); }

/* ----- Step 4: Success ----- */
.success-wrap {
  text-align: center;
  padding: var(--s-5) 0;
}

.success-check {
  width: 110px; height: 110px;
  margin: 0 auto var(--s-5);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--terracotta));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px rgba(184, 98, 63, 0.4);
  animation: pop-in 600ms var(--ease-soft) both;
}

.success-check svg {
  width: 56px; height: 56px;
  stroke: var(--cream);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.success-check svg path {
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: draw-check 700ms var(--ease-soft) 300ms forwards;
}

.success-wrap h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 500;
  margin-bottom: var(--s-3);
}

.success-wrap h3 em { font-style: italic; color: var(--terracotta); }

.success-wrap p {
  color: var(--ink-soft);
  font-size: var(--fs-15, 0.95rem);
  line-height: 1.55;
  margin-bottom: var(--s-5);
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.success-receipt {
  background: var(--champagne);
  padding: var(--s-5);
  border-radius: var(--r-md);
  margin-bottom: var(--s-5);
  text-align: left;
  font-size: var(--fs-14);
}

.success-receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  color: var(--ink-soft);
}

.success-receipt-row.big {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  color: var(--ink);
  font-weight: 500;
  margin-top: var(--s-2);
  padding-top: var(--s-3);
  border-top: 1px solid var(--hairline);
}

.success-actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* ========================= MOBILE: BOTTOM SHEET ========================= */

/* ===== Tablet (max-width: 768px) ===== */
@media (max-width: 768px) {
  .course-drawer {
    top: auto;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 94vh;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    transform: translateY(105%);
    box-shadow: 0 -24px 60px rgba(58, 42, 32, 0.25);
  }

  .course-drawer-overlay.open .course-drawer {
    transform: translateY(0);
  }

  .course-drawer::before {
    content: "";
    position: absolute;
    top: 10px; left: 50%;
    transform: translateX(-50%);
    width: 44px; height: 4px;
    border-radius: var(--r-full);
    background: var(--hairline-strong);
    z-index: 6;
  }

  .drawer-close { top: 22px; right: 16px; width: 40px; height: 40px; }
  .drawer-hero-overlay { padding: var(--s-6) var(--s-5) var(--s-4); }
  .drawer-title { font-size: clamp(1.5rem, 5vw, 2rem); }
  .drawer-tagline { font-size: var(--fs-16); }
  .drawer-body { padding: var(--s-5); }
  .drawer-meta { grid-template-columns: 1fr 1fr 1fr; padding: var(--s-3); gap: var(--s-2); }
  .drawer-meta-item .val { font-size: var(--fs-16); }
  .drawer-meta-item .lbl { font-size: 9px; }
  .drawer-instructor { flex-direction: column; text-align: center; padding: var(--s-5) var(--s-4); }
  .drawer-instructor img { width: 56px; height: 56px; }
  .drawer-pricing { padding: var(--s-5); }
  .drawer-pricing .price-amount { font-size: 2.8rem; }
  .drawer-pricing .price-old { font-size: var(--fs-18); }
  .drawer-section h3 { font-size: var(--fs-20); }
  .learn-list li { font-size: var(--fs-14); padding-left: 30px; }
  .learn-list li::before { width: 20px; height: 20px; font-size: 10px; }
  .module-item { padding: var(--s-3); gap: var(--s-3); }
  .module-status { width: 36px; height: 36px; font-size: var(--fs-14); }
  .module-info h4 { font-size: var(--fs-16); }

  /* Payment modal bottom sheet */
  .payment-overlay { padding: 0; align-items: flex-end; }
  .payment-modal {
    max-width: 100%;
    max-height: 96vh;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    transform: translateY(100%);
  }
  .payment-overlay.open .payment-modal { transform: translateY(0); }
  .payment-modal::before {
    content: "";
    position: absolute;
    top: 10px; left: 50%;
    transform: translateX(-50%);
    width: 44px; height: 4px;
    border-radius: var(--r-full);
    background: var(--hairline-strong);
    z-index: 6;
  }
  .payment-header { padding-top: var(--s-7); padding-bottom: var(--s-4); }
  .payment-header h3 { font-size: var(--fs-24); }
  .payment-body { padding: 0 var(--s-5) var(--s-7); }
  .card-preview { max-width: 100%; aspect-ratio: 16/10; margin-bottom: var(--s-4); }
  .card-number { font-size: var(--fs-16); margin-top: 44px; letter-spacing: 0.12em; }
  .card-row .val { font-size: var(--fs-12); }
  .card-front { padding: 16px; }
  .payment-back { font-size: 12px; padding: 8px 10px; margin-bottom: var(--s-2); }
  .pstep { height: 3px; }
  .payment-steps-bar { padding: 0 var(--s-5) var(--s-4); gap: 4px; }

  /* Plan summary */
  .plan-summary { padding: var(--s-4); }
  .plan-summary img { width: 64px; height: 64px; }
  .plan-summary h4 { font-size: var(--fs-18); }
  .plan-line.total { font-size: var(--fs-24); }

  /* Success wrap */
  .success-check { width: 90px; height: 90px; }
  .success-check svg { width: 44px; height: 44px; }
  .success-wrap h3 { font-size: var(--fs-20); }
  .success-receipt { padding: var(--s-4); }
  .success-actions { flex-direction: column; }
  .success-actions .btn { width: 100%; }
}

/* ===== Small phones (max-width: 480px) ===== */
@media (max-width: 480px) {
  .drawer-hero-overlay { padding: var(--s-5) var(--s-4) var(--s-3); }
  .drawer-title { font-size: clamp(1.3rem, 5vw, 1.7rem); }
  .drawer-tagline { font-size: var(--fs-14); }
  .drawer-body { padding: var(--s-4); }
  .drawer-meta { grid-template-columns: 1fr 1fr; gap: var(--s-2); padding: var(--s-2); }
  .drawer-meta-item .val { font-size: var(--fs-14); }
  .drawer-instructor { padding: var(--s-4) var(--s-3); }
  .drawer-instructor img { width: 48px; height: 48px; }
  .drawer-instructor .name { font-size: var(--fs-16); }
  .drawer-pricing { padding: var(--s-4); }
  .drawer-pricing .price-amount { font-size: 2.2rem; }
  .drawer-pricing .price-old { font-size: var(--fs-16); }
  .drawer-section { margin-bottom: var(--s-5); }
  .drawer-section h3 { font-size: var(--fs-18); }
  .learn-list li { font-size: var(--fs-13, 0.82rem); padding-left: 26px; }
  .module-item { padding: var(--s-2); gap: var(--s-2); }
  .module-status { width: 32px; height: 32px; font-size: var(--fs-12); }
  .module-info h4 { font-size: var(--fs-14); }
  .module-info .module-meta { font-size: 11px; }
  .module-tag { font-size: 9px; padding: 3px 8px; }
  .drawer-category { font-size: 11px; padding: 4px 10px; }
  .drawer-demo-banner { font-size: 11px; padding: var(--s-2) var(--s-3); }

  /* Payment modal */
  .payment-header { padding: var(--s-6) var(--s-4) var(--s-3); }
  .payment-header h3 { font-size: var(--fs-20); }
  .payment-body { padding: 0 var(--s-4) var(--s-6); }
  .card-preview { max-width: 100%; }
  .card-number { font-size: var(--fs-16); letter-spacing: 0.1em; margin-top: 40px; }
  .card-brand { font-size: var(--fs-16); }

  /* Plan summary */
  .plan-summary { padding: var(--s-3); }
  .plan-summary img { width: 56px; height: 56px; }
  .plan-summary h4 { font-size: var(--fs-16); }
  .plan-line { font-size: var(--fs-13, 0.82rem); }
  .plan-line.total { font-size: var(--fs-20); }
  .payment-badge { font-size: 9px; padding: 4px 10px; }
  .payment-steps-bar { padding: 0 var(--s-4) var(--s-4); }

  /* Processing */
  .processing-icon { width: 64px; height: 64px; font-size: var(--fs-24); }
  .processing-title { font-size: var(--fs-20); }
  .processing-sub { font-size: var(--fs-12); }
  .processing-step { font-size: var(--fs-14); }

  /* Success */
  .success-check { width: 80px; height: 80px; }
  .success-check svg { width: 40px; height: 40px; }
  .success-wrap h3 { font-size: var(--fs-18); }
  .success-wrap p { font-size: var(--fs-14); }
  .success-receipt { padding: var(--s-3); font-size: var(--fs-12); }
  .success-receipt-row.big { font-size: var(--fs-16); }

  /* Secured row */
  .payment-secured { font-size: 11px; }
}