:root {
  --bg: #edf5fb;
  --bg-deep: #d9e9f7;
  --ink: #162734;
  --muted: #3f5362;
  --primary: #3f7faf;
  --primary-dark: #2b618a;
  --soft: #e7f1f9;
  --card: #ffffff;
  --line: rgba(33, 49, 63, 0.12);
  --focus: rgba(63, 127, 175, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Nunito", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 10%, #f7fbff 0, transparent 34%),
    radial-gradient(circle at 90% 0%, #dcecf8 0, transparent 42%),
    linear-gradient(180deg, var(--bg) 0%, #f7fbff 100%);
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(237, 245, 251, 0.9);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  padding: 0.95rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  font-family: "Outfit", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
}

.anchor {
  color: var(--primary);
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Outfit", sans-serif;
  line-height: 1.17;
}

.hero {
  padding: 4.2rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem;
  align-items: center;
}

.eyebrow {
  margin: 0;
  display: inline-block;
  background: var(--soft);
  color: var(--primary-dark);
  border: 1px solid #cde1f0;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.7rem;
}

h1 {
  margin: 0.7rem 0;
  font-size: clamp(2rem, 5.8vw, 3.35rem);
  max-width: 14ch;
}

.lead {
  margin-top: 0;
  max-width: 58ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
textarea:focus-visible,
.tab:focus-visible,
.case-tab:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.btn-primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 10px 24px rgba(63, 127, 175, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-soft {
  background: #eaf4fc;
  color: var(--ink);
}

.micro {
  min-height: 1.35rem;
  font-size: 0.9rem;
  color: var(--primary-dark);
  margin: 0.9rem 0 0;
}

.mode-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  box-shadow: 0 14px 34px rgba(33, 49, 63, 0.08);
  animation: rise 360ms ease both;
}

.mode-tabs {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.tab {
  background: #f1f6fa;
  color: var(--ink);
  border: 1px solid #d5e5f1;
  border-radius: 10px;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.tab.active {
  background: #dcecf8;
  border-color: #bdd8ec;
}

.preview {
  border: 1px solid #dbe9f3;
  border-radius: 14px;
  padding: 0.9rem;
  background: #f9fcff;
}

.preview-title {
  margin: 0;
  font-weight: 700;
}

#previewText {
  margin: 0.45rem 0 0;
  color: var(--ink);
}

.preview-note {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.playground {
  padding: 0.4rem 0 1.6rem;
}

.section-lead {
  margin-top: -0.3rem;
  color: var(--muted);
}

.playground-shell {
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 1rem;
}

.playground-shell label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.playground-shell textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #c6dced;
  background: #f9fcff;
  padding: 0.7rem;
  font: inherit;
  color: var(--ink);
  resize: vertical;
}

.playground-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.playground-output {
  margin: 0.8rem 0 0;
  border: 1px solid #d7e7f4;
  border-radius: 10px;
  background: #f7fbff;
  padding: 0.7rem;
  color: var(--ink);
}

.features,
.users,
.trust {
  padding: 2rem 0;
}

.features h2,
.users h2,
.trust h2,
.vision h2 {
  margin-top: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  animation: rise 420ms ease both;
}

.feature-card.spotlight {
  grid-column: span 2;
  background: linear-gradient(165deg, #deedf8, #f8fcff);
  border-color: #b8d4e8;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.07rem;
}

.feature-card p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.mockup {
  margin-top: 0.75rem;
  border: 1px solid #cfe2f1;
  border-radius: 10px;
  background: #f7fbff;
  padding: 0.65rem;
}

.mockup p {
  margin: 0;
}

.mockup-label {
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 0.85rem;
}

.case-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
}

.case-tab {
  border: 1px solid #c8dcec;
  border-radius: 10px;
  background: #f5faff;
  padding: 0.5rem 0.75rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  color: var(--ink);
}

.case-tab.active {
  background: #dcecf8;
  border-color: #adcce3;
}

.split {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 1rem;
  align-items: start;
}

.case-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 1rem;
}

.case-panel h3 {
  margin-top: 0;
}

.case-panel ul {
  margin: 0.7rem 0 0;
  padding-left: 1.25rem;
}

.case-panel li {
  margin-bottom: 0.55rem;
}

.safe-card {
  background: linear-gradient(160deg, var(--bg-deep), #ecf5fc);
  border: 1px solid #c8deee;
  border-radius: 16px;
  padding: 1rem;
}

.safe-card h3 {
  margin-top: 0;
}

.trust-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trust-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
}

.trust-item h3 {
  margin: 0.2rem 0;
  font-size: 1.05rem;
}

.trust-item p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.trust-icon {
  width: 2.2rem;
  height: 2.2rem;
  margin: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #f8fcff;
  background: var(--primary-dark);
}

.vision {
  padding: 0.6rem 0 3rem;
}

.vision-box {
  background: linear-gradient(130deg, #2f6e98, #548fb9);
  color: #fff;
  border-radius: 22px;
  padding: 1.5rem;
}

.vision-box p {
  max-width: 72ch;
  opacity: 0.98;
}

footer {
  border-top: 1px solid var(--line);
}

.footer-wrap {
  padding: 1rem 0 1.4rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

[hidden] {
  display: none !important;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.reduce-motion * {
  animation: none !important;
  transition: none !important;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 930px) {
  .hero-grid,
  .split,
  .feature-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .feature-card.spotlight {
    grid-column: auto;
  }
}

@media (max-width: 580px) {
  nav {
    display: none;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .footer-wrap {
    flex-direction: column;
    gap: 0.25rem;
  }
}