:root {
  --pdt-primary: #1b407a;
  --pdt-primary-rgb: 27, 64, 122;
  --pdt-primary-light: #2a5ba8;
  --pdt-primary-lighter: #5a9fe0;
  --pdt-primary-pale: #eaeff8;
  --pdt-primary-soft: #f2f5fb;
  --pdt-green: #2e8b57;
  --pdt-green-rgb: 46, 139, 87;
  --pdt-green-light: #3cb371;
  --pdt-green-pale: #e8f5ee;
  --pdt-green-soft: #f1f8f4;
  --pdt-coral: #e8734a;
  --pdt-coral-bg: #fff0eb;
  --pdt-text-dark: #1e293b;
  --pdt-text-body: #3d4d63;
  --pdt-text-muted: #64748b;
  --pdt-cream: #fafbfd;
  --pdt-soft-blue: #f0f5fc;
  --pdt-soft-green: #f0f9f4;
  --pdt-r-sm: 12px;
  --pdt-r-md: 20px;
  --pdt-r-lg: 28px;
  --pdt-r-xl: 40px;
  --pdt-shadow-sm: 0 2px 12px rgba(27, 64, 122, 0.04);
  --pdt-shadow-md: 0 8px 32px rgba(27, 64, 122, 0.06);
  --pdt-shadow-lg: 0 16px 48px rgba(27, 64, 122, 0.08);
}
.text-pdt {
  color: var(--pdt-primary);
}

/* ===== Hero ===== */
.pdt-hero {
  background: linear-gradient(180deg, #fff 0%, var(--pdt-primary-soft) 60%, var(--pdt-soft-blue) 100%);
  padding: clamp(100px, 12vw, 140px) 0 clamp(48px, 5vw, 60px);
  position: relative;
  overflow: hidden;
}

.pdt-hero-em {
  color: var(--pdt-primary);
  position: relative;
}
.pdt-hero-em::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  height: 10px;
  background: rgba(var(--pdt-primary-rgb), 0.12);
  border-radius: 6px;
  z-index: -1;
}

.pdt-badge-dot {
  width: 10px;
  height: 10px;
  background: var(--pdt-coral);
  border-radius: 50%;
  animation: pdt-pulse-dot 2s ease-in-out infinite;
}
@keyframes pdt-pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

/* ===== Buttons (complex animations) ===== */
@keyframes pdt-btn-float {
  0%,
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 6px 24px rgba(var(--pdt-primary-rgb), 0.22);
  }
  50% {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 14px 44px rgba(var(--pdt-primary-rgb), 0.35);
  }
}
@keyframes pdt-btn-shine {
  0%,
  100% {
    transform: translateX(-100%);
  }
  45% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(100%);
  }
}
@keyframes pdt-btn-ring {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.12);
    opacity: 0;
  }
}
@keyframes pdt-cta-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.15);
    opacity: 0;
  }
}
.treatment-list {
  list-style-type: none;
  counter-reset: treat-counter;
}
.treatment-list li {
  counter-increment: treat-counter;
}
.treatment-list li h3::before {
  content: counter(treat-counter);
  background-color: var(--pdt-primary);
  color: #fff;
  margin-right: 4px;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: block;
  display: flex;
  justify-content: center;
  align-items: center;
}
.pdt-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--pdt-primary);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 20px 44px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  min-height: 60px;
  position: relative;
  overflow: visible;
  z-index: 1;
  animation: pdt-btn-float 3s ease-in-out infinite;
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s;
  text-decoration: none;
}
.pdt-btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  animation: pdt-btn-shine 3s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}
.pdt-btn-primary::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 9999px;
  border: 2px solid rgba(var(--pdt-primary-rgb), 0.25);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.pdt-btn-primary:hover {
  animation: none;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 40px rgba(var(--pdt-primary-rgb), 0.35);
  color: #fff;
}
.pdt-btn-primary:hover::after {
  opacity: 1;
  animation: pdt-btn-ring 2s ease-in-out infinite;
}

.pdt-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 2px solid rgba(var(--pdt-primary-rgb), 0.25);
  color: var(--pdt-primary);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 18px 40px;
  border-radius: 9999px;
  cursor: pointer;
  min-height: 60px;
  position: relative;
  overflow: visible;
  transition:
    background 0.3s,
    border-color 0.3s,
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s;
  text-decoration: none;
}
.pdt-btn-secondary:hover {
  transform: translateY(-3px) scale(1.04);
  border-color: var(--pdt-primary);
  background: var(--pdt-primary-pale);
  box-shadow: 0 8px 28px rgba(var(--pdt-primary-rgb), 0.1);
  color: var(--pdt-primary);
}

.pdt-btn-process {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--pdt-green), var(--pdt-green-light));
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 20px 44px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  min-height: 60px;
  position: relative;
  overflow: visible;
  z-index: 1;
  animation: pdt-btn-float 3s ease-in-out infinite;
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s;
  box-shadow: 0 6px 24px rgba(var(--pdt-green-rgb), 0.22);
  text-decoration: none;
}
.pdt-btn-process:hover {
  animation: none;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 40px rgba(var(--pdt-green-rgb), 0.35);
  color: #fff;
}

.pdt-btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  color: var(--pdt-primary);
  font-size: 1.15rem;
  font-weight: 800;
  padding: 22px 52px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  position: relative;
  min-height: 64px;
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.12);
  text-decoration: none;
}
.pdt-btn-cta::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.3);
  animation: pdt-cta-ring 2s ease-out infinite;
  pointer-events: none;
}
.pdt-btn-cta:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.18);
  color: var(--pdt-primary);
}

.pdt-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 20px 44px;
  border-radius: 9999px;
  cursor: pointer;
  min-height: 64px;
  transition: all 0.3s;
  text-decoration: none;
}
.pdt-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

/* ===== Highlight cards ===== */
.pdt-highlight-card {
  background: #fff;
  border-radius: var(--pdt-r-md);
  padding: clamp(12px, 2.5vw, 36px);
  border: 1.5px solid rgba(var(--pdt-green-rgb), 0.08);
  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.pdt-highlight-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pdt-green), var(--pdt-green-light));
  opacity: 0;
  transition: opacity 0.4s;
}
.pdt-highlight-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pdt-shadow-md);
}
.pdt-highlight-card:hover::before {
  opacity: 1;
}

/* ===== Advantage cards ===== */
.pdt-card {
  background: #fff;
  border-radius: var(--pdt-r-md);
  padding: clamp(12px, 2vw, 28px);
  border: 1.5px solid rgba(var(--pdt-primary-rgb), 0.06);
  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}
.pdt-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pdt-shadow-md);
}
.pdt-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--pdt-primary-lighter), var(--pdt-primary));
  opacity: 0;
  transition: opacity 0.4s;
}
.pdt-card:hover::before {
  opacity: 1;
}

.pdt-icon-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--pdt-r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  background: linear-gradient(135deg, var(--pdt-primary-pale), var(--pdt-primary-soft));
  box-shadow: var(--pdt-shadow-sm);
}

/* ===== Process path tabs ===== */
.tab-group {
  background-color: #e2e8f0;
  border-radius: var(--pdt-r-md);
  padding: 8px;
}
.pdt-path-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: var(--pdt-r-md);
  cursor: pointer;
  transition: all 0.3s;
  min-height: 130px;
  justify-content: center;
  text-align: center;
}
.pdt-path-tab.active {
  background: linear-gradient(135deg, var(--pdt-primary), var(--pdt-primary-light));
  border-color: var(--pdt-primary);
  color: #fff;
  box-shadow: var(--pdt-shadow-md);
  position: relative;
}
.pdt-path-tab.active::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--pdt-primary);
}

.pdt-path-content {
  display: none;
}
.pdt-path-content.active {
  display: block;
  animation: pdt-fadeIn 0.4s ease;
}
@keyframes pdt-fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pdt-path-steps {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  padding-left: 8px;
}
.pdt-path-steps::before {
  content: "";
  position: absolute;
  left: 31px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--pdt-primary-lighter), var(--pdt-primary-pale));
  z-index: 0;
}
.pdt-path-step {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  position: relative;
  align-items: flex-start;
}
.pdt-path-step:last-child {
  margin-bottom: 0;
}
.pdt-path-step-num {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pdt-primary), var(--pdt-primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  box-shadow: 0 4px 16px rgba(var(--pdt-primary-rgb), 0.2);
  z-index: 2;
  position: relative;
}
.pdt-path-step-card {
  flex: 1;
  background: #fff;
  border-radius: var(--pdt-r-md);
  padding: clamp(12px, 2vw, 24px);
  border: 1.5px solid rgba(var(--pdt-primary-rgb), 0.06);
  box-shadow: var(--pdt-shadow-sm);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.pdt-path-step-card:hover {
  transform: translateX(6px);
  box-shadow: var(--pdt-shadow-md);
}

.pdt-path-branch--yes {
  background: var(--pdt-green-pale);
}
.pdt-path-branch--no {
  background: var(--pdt-coral-bg);
}

.pdt-converge-card {
  background: linear-gradient(135deg, var(--pdt-green), var(--pdt-green-light));
  border-radius: var(--pdt-r-lg);
  padding: clamp(12px, 3vw, 32px);
  color: #fff;
  box-shadow: var(--pdt-shadow-md);
  margin-bottom: 8px;
  position: relative;
  overflow: hidden;
}
.pdt-converge-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}
.pdt-converge-card::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -15%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.pdt-converge-card > * {
  position: relative;
  z-index: 1;
}
.pdt-converge-card--followup {
  background: linear-gradient(135deg, var(--pdt-primary), var(--pdt-primary-light));
}

/* ===== Travel collapse ===== */
.pdt-travel-collapse {
  border-radius: var(--pdt-r-lg);
  overflow: hidden;
  border: 1.5px solid rgba(var(--pdt-primary-rgb), 0.08);
  background: #fff;
  box-shadow: var(--pdt-shadow-sm);
}
.pdt-travel-collapse-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: clamp(12px, 2.5vw, 24px) clamp(16px, 3vw, 30px);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  gap: 16px;
  min-height: 64px;
  transition: background 0.2s;
}
.pdt-travel-collapse-trigger:hover {
  background: var(--pdt-primary-soft);
}
.pdt-travel-toggle-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: var(--pdt-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pdt-primary);
  font-size: 0.8rem;
  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    background 0.2s;
}
.pdt-travel-collapse.active .pdt-travel-toggle-icon {
  transform: rotate(180deg);
  background: var(--pdt-primary);
  color: #fff;
}
.pdt-travel-collapse-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.pdt-travel-collapse.active .pdt-travel-collapse-body {
  max-height: 1400px;
}

/* ===== FAQ (native details/summary) ===== */
.pdt-faq-item {
  background: #fff;
  border-radius: var(--pdt-r-md);
  border: 1.5px solid rgba(var(--pdt-primary-rgb), 0.06);
  overflow: hidden;
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}
.pdt-faq-item:hover {
  box-shadow: var(--pdt-shadow-sm);
}
.pdt-faq-item[open] {
  border-color: rgba(var(--pdt-primary-rgb), 0.15);
  box-shadow: var(--pdt-shadow-md);
}
.pdt-faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: clamp(22px, 2.5vw, 30px) clamp(26px, 3vw, 34px);
  cursor: pointer;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pdt-text-dark);
  line-height: 1.5;
  gap: 16px;
  font-family: inherit;
  min-height: 64px;
  list-style: none;
  transition: color 0.2s;
}
.pdt-faq-summary::-webkit-details-marker,
.pdt-faq-summary::marker {
  display: none;
  content: "";
}
.pdt-faq-item[open] .pdt-faq-summary {
  color: var(--pdt-primary);
}
.pdt-faq-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--pdt-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    background 0.3s,
    color 0.3s;
  color: var(--pdt-primary);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.pdt-faq-item[open] .pdt-faq-icon {
  transform: rotate(180deg) scale(1.1);
  background: var(--pdt-primary);
  color: #fff;
}
.pdt-faq-content {
  padding: 0 clamp(26px, 3vw, 34px) clamp(26px, 2.5vw, 32px);
  font-size: 1.02rem;
  color: var(--pdt-text-body);
  line-height: 2;
}

/* ===== CTA section ===== */
.pdt-cta-inner {
  background: linear-gradient(135deg, var(--pdt-primary) 0%, #0f2b52 60%, #0a1e3d 100%);
  border-radius: var(--pdt-r-xl);
  padding: clamp(40px, 7vw, 96px) clamp(24px, 5vw, 80px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.pdt-cta-inner::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(90, 159, 224, 0.14);
}
.pdt-cta-inner::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -15%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}
.pdt-cta-inner > * {
  position: relative;
  z-index: 1;
}

/* ===== Reveal (GSAP-driven; initial state) ===== */
.pdt-reveal {
  opacity: 0;
  will-change: opacity, transform;
}

/* ===== Highlight text ===== */
.pdt-hl {
  background: linear-gradient(120deg, #e8f0fa, #dce8f8);
  padding: 2px 12px;
  border-radius: 9999px;
  font-weight: 700;
  color: var(--pdt-primary);
  white-space: nowrap;
}
.pdt-hl-green {
  background: linear-gradient(120deg, var(--pdt-green-pale), var(--pdt-green-soft));
  color: var(--pdt-green);
  padding: 2px 12px;
  border-radius: 9999px;
  font-weight: 700;
}

/* ===== Tip items ===== */
.pdt-tip-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #fff;
  padding: clamp(12px, 2vw, 24px);
  border-radius: var(--pdt-r-md);
  border: 1.5px solid rgba(var(--pdt-primary-rgb), 0.06);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.pdt-tip-item:hover {
  transform: translateX(6px);
  box-shadow: var(--pdt-shadow-sm);
}
.pdt-tip-number {
  width: 32px;
  height: 32px;
  max-width: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pdt-coral), #f09060);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(232, 115, 74, 0.25);
}

/* ===== Payment methods ===== */
.pdt-payment-method {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--pdt-primary-pale);
  padding: 10px 18px;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--pdt-primary);
  transition: all 0.2s;
}
.pdt-payment-method:hover {
  background: var(--pdt-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Process start ===== */
.pdt-process-start {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 620px;
  margin: 0 auto clamp(8px, 2vw, 32px);
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--pdt-primary), var(--pdt-primary-light));
  border-radius: var(--pdt-r-lg);
  color: #fff;
  box-shadow: var(--pdt-shadow-md);
  position: relative;
}
.pdt-process-start::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 12px;
  background: var(--pdt-primary-lighter);
  z-index: -1;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
  .pdt-path-steps::before {
    left: 23px;
  }
  .pdt-path-step-num {
    width: 40px;
    height: 40px;
    min-width: 40px;
    font-size: 1.1rem;
  }
  .pdt-btn-primary,
  .pdt-btn-secondary,
  .pdt-btn-process {
    font-size: 0.95rem;
    padding: 14px 28px;
    min-height: 48px;
  }
  .pdt-btn-cta,
  .pdt-btn-ghost {
    font-size: 0.95rem;
    padding: 14px 28px;
    min-height: 48px;
  }
}

@media (max-width: 480px) {
  .pdt-hero {
    padding: 40px 0 20px;
  }
  .pdt-faq-summary {
    font-size: 0.95rem;
    padding: 8px 12px;
    min-height: 52px;
  }
  .pdt-faq-content {
    font-size: 0.9rem;
    padding: 0 8px 12px;
  }
}
@media screen and (min-width: 1024px) {
  .treatment-list li h3::before {
    width: 32px;
    height: 32px;
    margin-right: 12px;
  }
}