:root {
  color-scheme: light;
  --color-sky: #4c9ee3;
  --color-navy: #1f3c88;
  --color-sun: #f7b500;
  --color-grass: #3ab795;
  --color-berry: #f25f5c;
  --color-cloud: #ffffff;
  --color-ink: #102542;
  --color-muted: #41506b;
  --font-body: "Baloo 2", "Nunito", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-heading: "Baloo 2", "Nunito", "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius-md: 18px;
  --radius-lg: 26px;
  --shadow-soft: 0 12px 30px rgba(16, 37, 66, 0.12);
  --shadow-strong: 0 16px 36px rgba(31, 60, 136, 0.16);
  --container-max: 1100px;
  --space-1: clamp(0.5rem, 1.4vw, 0.75rem);
  --space-2: clamp(0.75rem, 1.8vw, 1.1rem);
  --space-3: clamp(1rem, 2.4vw, 1.6rem);
  --space-4: clamp(1.6rem, 3.4vw, 2.4rem);
  --space-5: clamp(2.4rem, 4vw, 3.4rem);
  --focus-ring: 0 0 0 4px rgba(76, 158, 227, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: radial-gradient(circle at top, rgba(76, 158, 227, 0.15), transparent 60%),
    linear-gradient(180deg, #fdf8f3 0%, #f6fbff 100%);
  min-height: 100vh;
  line-height: 1.55;
}

a {
  color: var(--color-navy);
}

a:hover,
a:focus-visible {
  color: var(--color-berry);
}

img {
  max-width: 100%;
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: absolute;
  inset: 12px auto auto 12px;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: var(--color-berry);
  color: var(--color-cloud);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(16, 37, 66, 0.08);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  inline-size: 3rem;
  block-size: 3rem;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-sky), var(--color-grass));
  color: var(--color-cloud);
  font-weight: 800;
  font-size: 1.4rem;
  box-shadow: var(--shadow-soft);
}

.brand span {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy);
}

.nav-links {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: rgba(76, 158, 227, 0.12);
  color: var(--color-navy);
  font-weight: 600;
}

.nav-links a:is(:hover, :focus-visible) {
  background: var(--color-navy);
  color: var(--color-cloud);
}

.hero {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  margin: 0 0 var(--space-2);
  color: var(--color-navy);
  line-height: 1.1;
}

.hero p {
  margin: 0 0 var(--space-3);
  color: var(--color-muted);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  background: rgba(58, 183, 149, 0.15);
  color: var(--color-grass);
  font-weight: 700;
}

.tagline span {
  display: inline-flex;
  inline-size: 1.75rem;
  block-size: 1.75rem;
  border-radius: 50%;
  background: var(--color-grass);
  color: var(--color-cloud);
  align-items: center;
  justify-content: center;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--color-sky), var(--color-navy));
  color: var(--color-cloud);
  box-shadow: var(--shadow-soft);
}

.btn-secondary {
  background: var(--color-cloud);
  color: var(--color-navy);
  border: 2px solid rgba(31, 60, 136, 0.2);
}

.btn:is(:hover, :focus-visible) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.section {
  padding: var(--space-5) 0;
}

.section h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0 0 var(--space-3);
  color: var(--color-navy);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-3);
}

.card {
  background: var(--color-cloud);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-soft);
  min-height: 100%;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-navy);
}

.card p {
  margin: 0;
  color: var(--color-muted);
}

.steps {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.step {
  background: rgba(247, 181, 0, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  border: 2px solid rgba(247, 181, 0, 0.3);
}

.step strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 3rem;
    block-size: 3rem;
    border-radius: 50%;
    background: var(--color-sun);
    color: var(--color-ink);
    font-size: 1.4rem;
    margin-bottom: var(--space-2);
}

.step p {
    margin: 0;
}

.step h3 {
    margin: 0 0 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-navy);
}

.testimonial {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.testimonial blockquote {
  background: rgba(76, 158, 227, 0.12);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border-left: 8px solid var(--color-sky);
  margin: 0;
}

.testimonial cite {
  display: block;
  margin-top: var(--space-2);
  font-weight: 700;
  color: var(--color-navy);
}

footer.site-footer {
  padding: var(--space-4) 0;
  background: rgba(16, 37, 66, 0.95);
  color: var(--color-cloud);
}

footer.site-footer a {
  color: var(--color-sun);
}

footer.site-footer p {
  margin: 0;
}

.form-card {
  max-width: 440px;
  margin: var(--space-5) auto;
  background: var(--color-cloud);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4) var(--space-3);
}

.form-card h1 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.6rem);
  text-align: center;
}

.form-card p {
  text-align: center;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
}

.form-field label {
  font-weight: 700;
  color: var(--color-navy);
}

.input-control {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 2px solid rgba(31, 60, 136, 0.22);
  background: rgba(255, 255, 255, 0.95);
}

.input-control:focus-visible {
  border-color: var(--color-sky);
  box-shadow: var(--focus-ring);
}

.helper-text {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.error-text {
  font-size: 0.9rem;
  color: var(--color-berry);
}

.status-message {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-2);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  background: rgba(76, 158, 227, 0.15);
  color: var(--color-navy);
}

.status-message.error {
  background: rgba(242, 95, 92, 0.15);
  border-color: rgba(242, 95, 92, 0.35);
  color: var(--color-berry);
}

.status-message.success {
  background: rgba(58, 183, 149, 0.18);
  border-color: rgba(58, 183, 149, 0.35);
  color: var(--color-grass);
}

.link-row {
  text-align: center;
  margin-top: var(--space-2);
}

.protected-alert {
  display: none;
  margin: 0 auto var(--space-3);
  max-width: 420px;
  background: rgba(242, 95, 92, 0.12);
  border: 2px solid rgba(242, 95, 92, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  color: var(--color-berry);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 720px) {
  .site-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links {
    justify-content: center;
  }

  .hero {
    text-align: center;
  }

  .btn-row {
    justify-content: center;
  }
}

#registerSubmit {
    display: block;
    margin: 1rem auto;
    width: fit-content;
    min-width: 180px;
}

#demo {
    text-align: center;
}

#demo .sub {
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-muted);
    margin-bottom: var(--space-3);
}

#demoForm {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 var(--space-3);
    text-align: left;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

#demoForm label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--space-2);
    font-weight: 600;
}

#demoForm input {
    font-weight: 500;
    padding: 0.7rem 1.1rem;
    border-radius: var(--radius-md);
    border: 2px solid rgba(31, 60, 136, 0.15);
}

#demoForm .btn {
    grid-column: 1 / -1;
    margin-top: var(--space-2);
    padding: 0.85rem;
}

#demoStatus {
    grid-column: 1 / -1;
    margin-top: var(--space-2);
    font-weight: 600;
}

@media (min-width: 640px) {
    #demoForm {
        grid-template-columns: 1fr 1fr;
    }
    #demoForm label:nth-child(3),
    #demoForm label:nth-child(4),
    #demoForm label:nth-child(5) {
        grid-column: 1 / -1;
    }
}

.faq .grid {
    display: grid;
    gap: var(--space-2);
    max-width: 820px;
    margin: 0 auto var(--space-4);
}

.faq details {
    background: var(--color-cloud);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 60, 136, 0.1);
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.2s ease;
}

.faq details:hover {
    box-shadow: var(--shadow-strong);
}

.faq summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    font-weight: 700;
    color: var(--color-navy);
    list-style: none; /* Remove default marker */
}

.faq summary::-webkit-details-marker {
    display: none; /* Hide for Safari */
}

.faq summary::after {
    content: "+";
    font-size: 1.8em;
    font-weight: 400;
    color: var(--color-sky);
    transition: transform 0.2s ease;
}

.faq details[open] summary::after {
    content: "−";
    transform: rotate(180deg);
}

.faq details p {
    padding: 0 var(--space-3) var(--space-3);
    margin: 0;
    color: var(--color-muted);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    margin: 20px 0;
    border-radius: 10px;
    background: #f7f7fb;
}
.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 10px;
}
.video-caption {
    font-size: 0.95rem;
    color: #444;
    margin-top: 8px;
}