:root {
  --ps-bg: linear-gradient(180deg, #f8fbfd 0%, #f4f7fb 100%);
  --ps-surface: rgba(255, 255, 255, 0.92);
  --ps-surface-strong: #ffffff;
  --ps-text: #0f172a;
  --ps-text-soft: #334155;
  --ps-text-muted: #64748b;
  --ps-line: #d7e0ea;
  --ps-line-strong: #c3cfdd;
  --ps-brand: #0f766e;
  --ps-brand-strong: #115e59;
  --ps-brand-soft: #ccfbf1;
  --ps-accent: #f59e0b;
  --ps-accent-soft: #fff4d6;
  --ps-shadow: 0 22px 60px rgba(15, 23, 42, 0.08);
  --ps-shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.05);
  --ps-radius-xl: 32px;
  --ps-radius-lg: 22px;
  --ps-radius-md: 16px;
  --ps-shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body.public-site {
  margin: 0;
  min-height: 100vh;
  color: var(--ps-text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.10), transparent 28%),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 18%),
    var(--ps-bg);
  overflow-x: hidden;
}

body.public-site::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top center, rgba(15, 118, 110, 0.08), transparent 50%);
  z-index: -1;
  pointer-events: none;
  animation: psPulseBg 10s ease-in-out infinite alternate;
}

@keyframes psPulseBg {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.08); }
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.ps-shell {
  width: min(calc(100% - 32px), var(--ps-shell));
  margin: 0 auto;
}

.shell {
  width: min(calc(100% - 32px), var(--ps-shell));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(248, 251, 253, 0.82);
  border-bottom: 1px solid rgba(195, 207, 221, 0.7);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: linear-gradient(180deg, #ffffff, #f2fbfa);
  box-shadow: var(--ps-shadow-soft);
  flex-shrink: 0;
}

.brand-mark img {
  max-width: 34px;
  max-height: 34px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--ps-text-soft);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.2s ease;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ps-brand-strong);
}

.ps-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 251, 253, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(195, 207, 221, 0.7);
}

.ps-nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.ps-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.ps-brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff, #f2fbfa);
  border: 1px solid rgba(15, 118, 110, 0.18);
  box-shadow: var(--ps-shadow-soft);
  flex-shrink: 0;
}

.ps-brand-mark img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.ps-brand-copy {
  display: grid;
  gap: 2px;
}

.ps-brand-name {
  font-size: 1rem;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.ps-brand-sub {
  font-size: 0.72rem;
  color: var(--ps-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.ps-nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--ps-line-strong);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ps-text);
  font-size: 1.15rem;
}

.ps-nav-links,
.ps-footer-links,
.ps-inline-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.ps-nav-links a,
.ps-footer-links a,
.ps-inline-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ps-text-soft);
  transition: color 0.2s ease;
}

.ps-nav-links a:hover,
.ps-footer-links a:hover,
.ps-inline-links a:hover,
.ps-nav-links a.active {
  color: var(--ps-brand-strong);
}

.ps-btn {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.ps-btn:hover { transform: translateY(-3px) scale(1.02); }

.ps-btn-primary {
  background: linear-gradient(135deg, var(--ps-brand-strong), var(--ps-brand));
  color: #fff;
  box-shadow: 0 14px 24px rgba(15, 118, 110, 0.20);
}

.ps-btn-secondary {
  background: rgba(255, 255, 255, 0.82);
  color: var(--ps-text);
  border-color: var(--ps-line-strong);
}

.ps-btn-secondary:hover,
.ps-btn-ghost:hover {
  background: rgba(255,255,255,0.8);
}

.btn {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { transform: translateY(-3px) scale(1.02); }

.btn-primary {
  background: linear-gradient(135deg, var(--ps-brand-strong), var(--ps-brand));
  color: #fff;
  box-shadow: 0 14px 24px rgba(15, 118, 110, 0.20);
}

.btn-ghost {
  background: transparent;
  color: var(--ps-text-soft);
  border-color: rgba(195, 207, 221, 0.9);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.8);
}

.ps-btn-ghost {
  background: transparent;
  color: var(--ps-text-soft);
  border-color: var(--ps-line-strong);
}

.ps-main {
  padding: 28px 0 48px;
}

.ps-page-head,
.ps-hero,
.ps-card,
.ps-banner,
.ps-metric,
.ps-trust-card,
.ps-quote,
.ps-section {
  position: relative;
}

.ps-page-head,
.ps-hero,
.ps-card,
.ps-banner,
.ps-metric,
.ps-trust-card,
.ps-quote {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: var(--ps-surface);
  box-shadow: var(--ps-shadow);
  border-radius: var(--ps-radius-xl);
}

.ps-card,
.ps-trust-card,
.ps-metric,
.ps-quote,
.ps-visual-card,
.ps-panel,
.ps-form-card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.ps-card:hover,
.ps-trust-card:hover,
.ps-metric:hover,
.ps-quote:hover,
.ps-visual-card:hover,
.ps-panel:hover,
.ps-form-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.10);
  border-color: rgba(195, 207, 221, 0.95);
}

.ps-page-head,
.ps-hero,
.ps-banner {
  padding: 28px;
}

.ps-page-kicker,
.ps-chip,
.ps-faq-tag {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ps-page-kicker,
.ps-faq-tag {
  color: var(--ps-brand-strong);
  background: var(--ps-brand-soft);
}

.ps-chip {
  color: var(--ps-text-soft);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--ps-line);
}

.ps-page-title,
.ps-section-title,
.ps-hero-title,
.ps-card-title,
.ps-quote-title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
}

.ps-page-title,
.ps-hero-title {
  margin-top: 16px;
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.ps-section-title {
  font-size: clamp(1.55rem, 3vw, 2.4rem);
}

.ps-card-title,
.ps-quote-title {
  font-size: 1.28rem;
}

.ps-page-subtitle,
.ps-section-copy,
.ps-card-copy,
.ps-hero-copy,
.ps-quote-copy,
.ps-footer-copy,
.ps-list li,
.ps-faq-answer,
.ps-trust-copy,
.ps-metric-copy {
  color: var(--ps-text-soft);
  line-height: 1.75;
}

.ps-page-subtitle,
.ps-hero-copy {
  margin-top: 14px;
  font-size: 1rem;
  max-width: 70ch;
}

.ps-section {
  margin-top: 24px;
}

.ps-section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.ps-grid {
  display: grid;
  gap: 20px;
}

.ps-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ps-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ps-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.ps-card,
.ps-metric,
.ps-trust-card,
.ps-quote {
  padding: 22px;
}

.ps-card-kicker {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--ps-brand-strong);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ps-card-title {
  margin-top: 10px;
}

.ps-card-copy {
  margin-top: 10px;
}

.ps-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.ps-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, #102136, #183250 68%, #115e59);
  color: #fff;
}

.ps-banner .ps-page-kicker { background: rgba(255, 255, 255, 0.14); color: #d8faf0; }
.ps-banner .ps-page-title,
.ps-banner .ps-page-subtitle { color: #fff; }
.ps-banner .ps-page-subtitle { color: rgba(255,255,255,0.82); }

.ps-cta-row,
.ps-chip-row,
.ps-trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ps-chip-row { margin-top: 18px; }

.ps-metric strong {
  display: block;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.ps-metric span {
  display: block;
  margin-top: 8px;
  color: var(--ps-text-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ps-metric-copy { margin-top: 10px; }

.ps-trust-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(247,250,253,0.98));
}

.ps-trust-copy {
  margin-top: 12px;
}

.ps-quote {
  background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.ps-quote-copy {
  margin-top: 12px;
  font-size: 1rem;
}

.ps-quote-attribution {
  margin-top: 16px;
  color: var(--ps-text-muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.ps-faq-list {
  display: grid;
  gap: 14px;
}

.ps-faq-item {
  padding: 18px 20px;
  border-radius: var(--ps-radius-lg);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--ps-line);
  box-shadow: var(--ps-shadow-soft);
}

.ps-faq-question {
  margin: 0;
  font-size: 1.02rem;
}

.ps-faq-answer {
  margin: 10px 0 0;
}

.ps-footer {
  padding: 0 0 28px;
}

.footer {
  padding: 0 0 28px;
}

.footer-content {
  border-top: 1px solid var(--ps-line);
  padding-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-content a {
  color: var(--ps-text-soft);
  text-decoration: none;
}

.footer-content a:hover {
  color: var(--ps-brand-strong);
}

.ps-footer-grid {
  border-top: 1px solid var(--ps-line);
  padding-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.ps-hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 20px;
  align-items: stretch;
}

.ps-hero-main {
  padding: 8px 2px 6px;
}

.ps-panel {
  padding: 22px;
  border-radius: var(--ps-radius-xl);
  background: var(--ps-surface);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--ps-shadow);
}

.ps-panel-dark {
  background: linear-gradient(135deg, #102136, #17304c 68%, #0b5f59);
  color: #fff;
}

.ps-panel-dark p,
.ps-panel-dark li,
.ps-panel-dark .ps-card-kicker {
  color: rgba(255, 255, 255, 0.82);
}

.ps-panel-dark .ps-card-title,
.ps-panel-dark strong,
.ps-panel-dark h2,
.ps-panel-dark h3 {
  color: #fff;
}

.ps-logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.ps-logo-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ps-line);
  color: var(--ps-text-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.ps-proof-inline {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--ps-text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.ps-proof-inline span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ps-proof-inline i {
  color: var(--ps-brand-strong);
}

.ps-panel-dark .ps-logo-pill {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.ps-timeline {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.ps-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--ps-radius-md);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ps-line);
}

.ps-step-index {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--ps-brand-soft);
  color: var(--ps-brand-strong);
  font-weight: 900;
}

.ps-step-copy strong {
  display: block;
  margin-bottom: 4px;
}

.ps-step-copy p {
  margin: 0;
}

.ps-check-list {
  margin: 16px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.ps-check-list li {
  color: var(--ps-text-soft);
  line-height: 1.7;
}

.ps-visual-card {
  padding: 20px;
  border-radius: var(--ps-radius-lg);
  background: linear-gradient(180deg, #ffffff, #f6fbff);
  border: 1px solid var(--ps-line);
  box-shadow: var(--ps-shadow-soft);
}

.ps-signal-band {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: var(--ps-radius-xl);
  background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(240,248,255,0.92));
  border: 1px solid rgba(195, 207, 221, 0.92);
  box-shadow: var(--ps-shadow-soft);
}

.ps-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.ps-signal-item {
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(215, 224, 234, 0.92);
}

.ps-signal-item strong {
  display: block;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.ps-signal-item span {
  display: block;
  margin-top: 6px;
  color: var(--ps-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ps-section-accent {
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(247,250,253,0.98));
  border: 1px solid rgba(255,255,255,0.75);
  box-shadow: var(--ps-shadow);
  border-radius: var(--ps-radius-xl);
  padding: 28px;
}

.ps-offer-card {
  position: relative;
  overflow: hidden;
}

.ps-offer-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--ps-brand) 0%, var(--ps-accent) 100%);
}

.ps-offer-card .ps-card-title {
  margin-top: 14px;
  font-size: 1.45rem;
}

.ps-offer-card .ps-card-copy {
  font-size: 1rem;
}

.ps-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.88fr);
  gap: 20px;
  align-items: stretch;
}

.ps-showcase-stack {
  display: grid;
  gap: 20px;
}

.ps-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.ps-feature-course {
  overflow: hidden;
}

.ps-feature-media {
  position: relative;
}

.ps-feature-media img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(215, 224, 234, 0.88);
}

.ps-course-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  box-shadow: var(--ps-shadow-soft);
}

.ps-course-badge-current {
  background: linear-gradient(135deg, var(--ps-brand-strong), var(--ps-brand));
}

.ps-course-badge-new {
  background: linear-gradient(135deg, #f59e0b, #ea580c);
}

.ps-caption {
  margin-top: 12px;
  color: var(--ps-text-muted);
  font-size: 0.88rem;
}

.ps-form-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 20px;
}

.ps-form-card {
  padding: 24px;
  border-radius: var(--ps-radius-xl);
  background: var(--ps-surface);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--ps-shadow);
}

.ps-form {
  display: grid;
  gap: 16px;
}

.ps-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ps-field {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ps-text);
}

.ps-field input,
.ps-field select,
.ps-field textarea {
  width: 100%;
  border: 1px solid var(--ps-line-strong);
  border-radius: 14px;
  padding: 14px 15px;
  font: inherit;
  color: var(--ps-text);
  background: rgba(255, 255, 255, 0.96);
}

.ps-field textarea {
  min-height: 140px;
  resize: vertical;
}

.ps-field input:focus,
.ps-field select:focus,
.ps-field textarea:focus {
  outline: 2px solid rgba(15, 118, 110, 0.16);
  border-color: var(--ps-brand);
}

.ps-note {
  color: var(--ps-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.ps-stack {
  display: grid;
  gap: 14px;
}

.ps-divider {
  height: 1px;
  background: var(--ps-line);
  margin: 4px 0;
}

@media (max-width: 980px) {
  .ps-grid-2,
  .ps-grid-3,
  .ps-grid-4,
  .ps-banner,
  .ps-hero-split,
  .ps-form-wrap,
  .ps-field-grid,
  .ps-showcase,
  .ps-signal-grid,
  .ps-feature-grid {
    grid-template-columns: 1fr;
  }

  .ps-nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 14px;
  }

  .ps-nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 8px);
    padding: 16px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--ps-line);
    box-shadow: var(--ps-shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .ps-nav-links.ps-open {
    display: flex;
  }

  .ps-nav-links .ps-btn {
    width: 100%;
  }

  .ps-stat-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .ps-shell {
    width: min(calc(100% - 20px), var(--ps-shell));
  }

  .ps-main {
    padding-top: 20px;
  }

  .ps-page-head,
  .ps-hero,
  .ps-card,
  .ps-banner,
  .ps-metric,
  .ps-trust-card,
  .ps-quote {
    padding: 20px;
  }

  .ps-cta-row .ps-btn,
  .ps-banner .ps-btn {
    width: 100%;
  }
}