/* ============================================================
   ARCHETYPE A — "Parapet" (Variant A4)
   Class prefix: prt-
   Split hero (text left, decorative right), muted sage green
   + charcoal palette, rounded 16px corners, soft shadows
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --primary-color: #6d4aff;
  --secondary-color: #00d4aa;
  --bg-base: #f4f6f3;
  --bg-sage-light: #eef2ec;
  --bg-sage-muted: #dde4d9;
  --bg-card: #ffffff;
  --bg-charcoal: #2b2f2b;
  --bg-charcoal-deep: #1e211e;
  --text-charcoal: #2b2f2b;
  --text-body: #4a5248;
  --text-muted: #7d8679;
  --text-light: #e8ece6;
  --text-light-sub: #b3bab0;
  --accent-sage: #6b8f71;
  --accent-sage-dark: #4f7054;
  --accent-moss: #8aad8e;
  --accent-olive: #7a9a5c;
  --border-subtle: rgba(43, 47, 43, 0.07);
  --border-sage: rgba(107, 143, 113, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 16px;
  --radius-card: 16px;
  --shadow-sm: 0 1px 4px rgba(43, 47, 43, 0.04);
  --shadow-md: 0 4px 16px rgba(43, 47, 43, 0.06);
  --shadow-lg: 0 8px 32px rgba(43, 47, 43, 0.08);
  --shadow-soft: 0 6px 24px rgba(107, 143, 113, 0.1);
  --shadow-hover: 0 12px 36px rgba(43, 47, 43, 0.1);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-body);
  background-color: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

/* ---- Keyframe Animations ---- */
@keyframes prt-fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes prt-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes prt-scale-in {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes prt-slide-left {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes prt-slide-right {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes prt-glow-pulse {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 0.5; }
}
@keyframes prt-counter-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes prt-leaf-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(3deg); }
}

/* ---- Site Wrapper ---- */
.prt-site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
.prt-content {
  flex: 1;
}

/* === HEADER / MASTHEAD === */
.prt-masthead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(244, 246, 243, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: box-shadow var(--transition-base);
}
.prt-masthead.prt-scrolled {
  box-shadow: 0 2px 20px rgba(43, 47, 43, 0.06);
}
.prt-primary-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.prt-nav-links-left,
.prt-nav-links-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.prt-nav-links-left {
  justify-content: flex-end;
}
.prt-nav-links-right {
  justify-content: flex-start;
}
.prt-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding: 0 16px;
}
.prt-logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}
.prt-brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-charcoal);
}
.prt-nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.prt-nav-link:hover {
  color: var(--text-charcoal);
  background: rgba(107, 143, 113, 0.08);
}
.prt-action-btn {
  padding: 9px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-sage);
  border-radius: var(--radius-lg);
  transition: opacity var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast);
  box-shadow: 0 2px 10px rgba(107, 143, 113, 0.2);
}
.prt-action-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(107, 143, 113, 0.3);
}

/* Mobile toggle */
.prt-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}
.prt-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-charcoal);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.prt-mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.prt-mobile-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.prt-mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === HERO (split layout: text left, decorative right) === */
.prt-hero {
  position: relative;
  padding: calc(var(--nav-height) + 80px) 24px 80px;
  text-align: center;
  overflow: hidden;
  background: var(--bg-sage-light);
}
.prt-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(160deg, var(--accent-sage) 0%, var(--accent-moss) 100%);
  opacity: 0.08;
  border-radius: 0 0 0 60% / 0 0 0 40%;
  pointer-events: none;
}
.prt-hero::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 8%;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(107, 143, 113, 0.12);
  border-radius: 50%;
  pointer-events: none;
  animation: prt-leaf-float 8s ease-in-out infinite;
}
.prt-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: left;
}
.prt-hero-heading {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-charcoal);
  animation: prt-fade-up 0.8s ease both;
}
.prt-hero-subheading {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--text-body);
  max-width: 540px;
  margin: 0 0 36px;
  line-height: 1.7;
  animation: prt-fade-up 0.8s ease 0.15s both;
}
.prt-hero-actions {
  animation: prt-fade-up 0.8s ease 0.3s both;
}
.prt-hero-glow {
  position: absolute;
  top: 10%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-sage) 0%, transparent 70%);
  opacity: 0.06;
  pointer-events: none;
  animation: prt-glow-pulse 8s ease-in-out infinite;
}

/* ---- Shared Buttons ---- */
.prt-btn {
  display: inline-block;
  padding: 14px 34px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    opacity var(--transition-fast);
  cursor: pointer;
}
.prt-btn:hover {
  transform: translateY(-2px);
}
.prt-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary-color, #6b8f71), var(--secondary-color, #4f7054));
  box-shadow: 0 4px 18px rgba(107, 143, 113, 0.2);
}
.prt-btn-primary:hover {
  box-shadow: 0 6px 26px rgba(107, 143, 113, 0.32);
}
.prt-btn-outline {
  color: var(--text-charcoal);
  background: transparent;
  border: 1.5px solid var(--border-sage);
}
.prt-btn-outline:hover {
  background: rgba(107, 143, 113, 0.06);
  border-color: var(--accent-sage);
}
.prt-btn-lg {
  padding: 17px 42px;
  font-size: 1.08rem;
}

/* === METRICS / STATS ASIDE BAR === */
.prt-metrics-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 40px 24px;
}
.prt-metrics-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
}
.prt-metric {
  text-align: center;
  padding: 16px 24px;
  background: var(--bg-sage-light);
  border-radius: var(--radius-card);
  animation: prt-counter-rise 0.7s ease both;
}
.prt-metric:nth-child(1) { animation-delay: 0.1s; }
.prt-metric:nth-child(2) { animation-delay: 0.2s; }
.prt-metric:nth-child(3) { animation-delay: 0.3s; }
.prt-metric:nth-child(4) { animation-delay: 0.4s; }
.prt-metric-number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent-sage-dark);
}
.prt-metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* === FEATURES / CAPABILITIES (2x2 grid) === */
.prt-capabilities {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.prt-section-header {
  text-align: center;
  margin-bottom: 60px;
}
.prt-section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text-charcoal);
}
.prt-section-subtitle {
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.65;
}
.prt-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.prt-capability {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  transition: transform var(--transition-base), border-color var(--transition-base),
    box-shadow var(--transition-base);
  animation: prt-scale-in 0.6s ease both;
}
.prt-capability:nth-child(1) { animation-delay: 0.1s; }
.prt-capability:nth-child(2) { animation-delay: 0.2s; }
.prt-capability:nth-child(3) { animation-delay: 0.3s; }
.prt-capability:nth-child(4) { animation-delay: 0.4s; }
.prt-capability:hover {
  transform: translateY(-4px);
  border-color: var(--accent-sage);
  box-shadow: var(--shadow-soft);
}
.prt-capability-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(107, 143, 113, 0.12), rgba(138, 173, 142, 0.08));
  color: var(--accent-sage-dark);
  margin-bottom: 20px;
}
.prt-capability-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-charcoal);
}
.prt-capability-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* === PRICING / PLANS (2-tier) === */
.prt-plans {
  padding: 100px 24px;
  background: var(--bg-sage-light);
}
.prt-plans .prt-section-header {
  margin-bottom: 56px;
}
.prt-plans-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 820px;
  margin: 0 auto;
  align-items: start;
}
.prt-plan {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: prt-fade-up 0.7s ease both;
}
.prt-plan:nth-child(1) { animation-delay: 0.15s; }
.prt-plan:nth-child(2) { animation-delay: 0.3s; }
.prt-plan:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.prt-plan-featured {
  border-color: var(--accent-sage);
  box-shadow: var(--shadow-soft);
  background: linear-gradient(180deg, rgba(107, 143, 113, 0.05) 0%, var(--bg-card) 40%);
}
.prt-plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 18px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-color, #6b8f71), var(--secondary-color, #4f7054));
  border-radius: 20px;
  white-space: nowrap;
}
.prt-plan-header {
  margin-bottom: 28px;
}
.prt-plan-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.prt-plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}
.prt-price-amount {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-charcoal);
}
.prt-price-period {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}
.prt-plan-features {
  margin-bottom: 32px;
  text-align: left;
}
.prt-plan-feature {
  padding: 10px 0;
  font-size: 0.92rem;
  color: var(--text-body);
  border-bottom: 1px solid var(--border-subtle);
  padding-left: 28px;
  position: relative;
}
.prt-plan-feature:last-child {
  border-bottom: none;
}
.prt-plan-feature::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--accent-sage);
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17l-5-5' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17l-5-5' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
.prt-plan .prt-btn {
  width: 100%;
}
.prt-plans-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* === FINAL CTA === */
.prt-final-cta {
  position: relative;
  padding: 100px 24px;
  text-align: center;
  overflow: hidden;
  background: var(--bg-charcoal);
  color: var(--text-light);
}
.prt-final-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(180deg, rgba(107, 143, 113, 0.08) 0%, transparent 100%);
  border-radius: 0 0 50% 0 / 0 0 30% 0;
  pointer-events: none;
}
.prt-final-cta-inner {
  max-width: 660px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.prt-final-cta-heading {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-light);
  animation: prt-fade-up 0.7s ease both;
}
.prt-final-cta-desc {
  font-size: 1.08rem;
  color: var(--text-light-sub);
  line-height: 1.65;
  margin-bottom: 36px;
  animation: prt-fade-up 0.7s ease 0.12s both;
}
.prt-final-cta .prt-btn {
  animation: prt-fade-up 0.7s ease 0.24s both;
}
.prt-final-cta .prt-btn-primary {
  background: linear-gradient(135deg, var(--accent-sage) 0%, var(--accent-moss) 100%);
  box-shadow: 0 4px 20px rgba(107, 143, 113, 0.25);
}
.prt-final-cta .prt-btn-primary:hover {
  box-shadow: 0 6px 28px rgba(107, 143, 113, 0.38);
}
.prt-final-cta-glow {
  position: absolute;
  bottom: -30%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-sage) 0%, transparent 65%);
  opacity: 0.06;
  pointer-events: none;
  animation: prt-glow-pulse 7s ease-in-out infinite;
}

/* === FAQ / QUESTIONS (details/summary) === */
.prt-questions {
  padding: 100px 24px;
  background: var(--bg-base);
}
.prt-questions .prt-section-header {
  margin-bottom: 48px;
}
.prt-questions-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prt-question {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  animation: prt-fade-up 0.6s ease both;
}
.prt-question:nth-child(1) { animation-delay: 0.1s; }
.prt-question:nth-child(2) { animation-delay: 0.2s; }
.prt-question:nth-child(3) { animation-delay: 0.3s; }
.prt-question[open] {
  border-color: var(--accent-sage);
  box-shadow: var(--shadow-soft);
}
.prt-question-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-charcoal);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast);
}
.prt-question-trigger::-webkit-details-marker {
  display: none;
}
.prt-question-trigger::marker {
  display: none;
  content: '';
}
.prt-question-trigger::after {
  content: '';
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: 16px;
  background: var(--accent-sage);
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform var(--transition-base);
}
.prt-question[open] .prt-question-trigger::after {
  transform: rotate(180deg);
}
.prt-question-trigger:hover {
  background: rgba(107, 143, 113, 0.04);
}
.prt-question-answer {
  padding: 0 24px 20px;
}
.prt-question-answer p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* === FOOTER === */
.prt-site-footer {
  background: var(--bg-charcoal-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 24px 40px;
  color: var(--text-light-sub);
}
.prt-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}
.prt-footer-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.prt-footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}
.prt-footer-brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-light);
}
.prt-footer-about {
  font-size: 0.9rem;
  color: var(--text-light-sub);
  line-height: 1.65;
  margin-bottom: 20px;
  max-width: 400px;
}
.prt-footer-copy {
  font-size: 0.82rem;
  color: rgba(179, 186, 176, 0.5);
}
.prt-footer-links-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(179, 186, 176, 0.5);
  margin-bottom: 20px;
}
.prt-footer-link-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prt-footer-link {
  font-size: 0.92rem;
  color: var(--text-light-sub);
  transition: color var(--transition-fast);
}
.prt-footer-link:hover {
  color: var(--accent-moss);
}

/* === MOBILE RESPONSIVE (768px breakpoint) === */
@media (max-width: 768px) {
  .prt-mobile-toggle {
    display: flex;
  }
  .prt-primary-nav {
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
  }
  .prt-nav-links-left,
  .prt-nav-links-right {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: center;
    padding: 8px 0;
  }
  .prt-primary-nav.prt-nav-open .prt-nav-links-left,
  .prt-primary-nav.prt-nav-open .prt-nav-links-right {
    display: flex;
  }
  .prt-masthead {
    height: auto;
    min-height: var(--nav-height);
  }
  .prt-primary-nav.prt-nav-open {
    padding-bottom: 16px;
    background: rgba(244, 246, 243, 0.98);
  }
  .prt-nav-link {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
  }
  .prt-action-btn {
    width: 100%;
    text-align: center;
    margin-top: 4px;
  }
  .prt-hero {
    padding: calc(var(--nav-height) + 48px) 20px 60px;
  }
  .prt-hero-inner {
    text-align: center;
  }
  .prt-hero-heading {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }
  .prt-hero-subheading {
    margin: 0 auto 36px;
  }
  .prt-hero::before {
    width: 100%;
    opacity: 0.04;
    border-radius: 0;
  }
  .prt-hero::after {
    display: none;
  }
  .prt-hero-glow {
    width: 350px;
    height: 350px;
  }
  .prt-metrics-list {
    gap: 16px;
  }
  .prt-metric {
    flex: 0 0 calc(50% - 8px);
  }
  .prt-metric-number {
    font-size: 1.6rem;
  }
  .prt-capabilities {
    padding: 64px 20px;
  }
  .prt-capabilities-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .prt-capability {
    padding: 28px 24px;
  }
  .prt-plans {
    padding: 64px 20px;
  }
  .prt-plans-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 420px;
  }
  .prt-plan {
    padding: 32px 24px;
  }
  .prt-price-amount {
    font-size: 2.2rem;
  }
  .prt-final-cta {
    padding: 64px 20px;
  }
  .prt-final-cta-glow {
    width: 300px;
    height: 300px;
  }
  .prt-questions {
    padding: 64px 20px;
  }
  .prt-question-trigger {
    padding: 16px 20px;
    font-size: 0.95rem;
  }
  .prt-question-answer {
    padding: 0 20px 16px;
  }
  .prt-footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .prt-site-footer {
    padding: 40px 20px 32px;
  }
}

/* ---- Small screens (480px) fine-tuning ---- */
@media (max-width: 480px) {
  .prt-hero-heading {
    font-size: 1.7rem;
  }
  .prt-hero-subheading {
    font-size: 0.95rem;
  }
  .prt-btn {
    padding: 12px 24px;
    font-size: 0.92rem;
  }
  .prt-btn-lg {
    padding: 14px 30px;
    font-size: 1rem;
  }
  .prt-section-title {
    font-size: 1.5rem;
  }
  .prt-metrics-list {
    gap: 12px;
  }
  .prt-metric {
    flex: 0 0 calc(50% - 6px);
    padding: 12px 16px;
  }
  .prt-metric-number {
    font-size: 1.35rem;
  }
  .prt-metric-label {
    font-size: 0.75rem;
  }
}

/* ---- Selection & Scrollbar ---- */
::selection {
  background: var(--accent-sage);
  color: #fff;
}
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-sage-muted);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---- Focus visible for accessibility ---- */
:focus-visible {
  outline: 2px solid var(--accent-sage);
  outline-offset: 2px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* === Download Platform Links === */
.prt-download-links {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.prt-dl-label {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}
.prt-dl-link {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  transition: all 0.2s;
}
.prt-dl-link:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

/* === Download Buttons Grid (4 equal buttons) === */
.prt-download-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}
.prt-download-btns .prt-btn {
  flex: 1 1 0;
  min-width: 140px;
  max-width: 220px;
  text-align: center;
  padding: 14px 20px;
}
@media (max-width: 768px) {
  .prt-download-btns {
    flex-direction: column;
    align-items: stretch;
  }
  .prt-download-btns .prt-btn {
    max-width: 100%;
    width: 100%;
  }
}

/* === Language Switcher === */
.prt-lang-switcher {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 8px;
}
.prt-lang-icon { opacity: 0.5; }
.prt-lang-link {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.prt-lang-link:hover { color: #fff; }
.prt-lang-sep { color: rgba(255,255,255,0.3); font-size: 13px; }