:root {
  --bg: #F4F5F8;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --border: rgba(255, 255, 255, 0.35);
  --text: #334155;
  --muted: #64748B;
  --blue: #3A7BD5;
  --mint: #00C27A;
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 28px 54px rgba(15, 23, 42, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--text);
  font-size: 16px;
  background:
    radial-gradient(circle at top left, rgba(58, 123, 213, 0.12), transparent 24%),
    radial-gradient(circle at top right, rgba(0, 194, 122, 0.06), transparent 18%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-shell {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  padding: 20px 0 40px;
}

.topbar,
.hero-card,
.section-block,
.content-section,
.site-footer,
.final-cta {
  margin-bottom: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  position: sticky;
  top: 12px;
  z-index: 20;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.site-nav {
  display: none;
  flex-direction: column;
  gap: 12px;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.site-nav.is-open {
  display: flex;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
}

.menu-toggle {
  min-height: 48px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(203, 213, 225, 0.7);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
}

.hero-card,
.section-block,
.content-section,
.site-footer,
.final-cta {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero-card {
  padding: 28px;
}

.hero-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 26px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 999px;
}

.hero-bar span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.hero-content {
  display: grid;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h1,
.section-heading h2 {
  margin: 8px 0 14px;
  line-height: 1.02;
  color: var(--text);
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 8vw, 4.3rem);
}

.section-heading h1,
.section-heading h2 {
  font-size: clamp(2rem, 5vw, 2.15rem);
}

.hero-subheadline,
.section-heading p,
.feature-card p,
.value-card p,
.split-copy p,
.site-footer p,
.content-section p,
.signup-form p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 1rem;
}

.cta-row,
.footer-links,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #6aa9ee);
  box-shadow: 0 14px 28px rgba(58, 123, 213, 0.24);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(203, 213, 225, 0.7);
}

.preview-surface {
  min-height: 360px;
  padding: 20px;
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(58, 123, 213, 0.16), rgba(0, 194, 122, 0.08)),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.preview-top,
.preview-body,
.preview-side,
.preview-bottom,
.card-grid {
  display: grid;
  gap: 16px;
}

.preview-top,
.preview-bottom {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preview-top span,
.preview-bottom span {
  display: inline-flex;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.preview-body {
  grid-template-columns: 1.35fr 0.85fr;
  min-height: 220px;
  margin: 18px 0;
}

.preview-main,
.preview-panel {
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.62);
}

.preview-main {
  background: linear-gradient(135deg, rgba(58, 123, 213, 0.24), rgba(255, 255, 255, 0.78));
}

.preview-panel {
  min-height: 102px;
}

.preview-panel-small {
  min-height: 86px;
}

.section-block,
.content-section,
.final-cta {
  padding: 56px 24px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 24px;
}

.card-grid {
  grid-template-columns: 1fr;
}

.card-grid-three,
.card-grid-four {
  gap: 18px;
}

.feature-card,
.value-card,
.split-panel {
  padding: 28px;
  min-width: 260px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.feature-card h3,
.value-card h3,
.split-copy h3 {
  margin: 0 0 10px;
  font-size: 1.3rem;
  color: var(--text);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(58, 123, 213, 0.12);
  color: var(--blue);
  font-weight: 800;
}

.split-panel {
  display: grid;
  gap: 20px;
  align-items: center;
}

.ecosystem-block,
.preview-block {
  background: rgba(255, 255, 255, 0.7);
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
}

.site-footer strong {
  color: var(--text);
}

.footer-links a {
  color: var(--muted);
  font-weight: 600;
}

.content-section.form-page {
  padding: 56px 24px;
}

.form-page {
  padding: 40px 16px;
}

.form-shell {
  width: 100%;
}

.form-card {
  max-width: 720px;
  margin: 60px auto;
  padding: 48px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.signup-form {
  width: min(100%, 720px);
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label {
  color: var(--text);
  font-weight: 600;
}

.form-control {
  width: 100%;
  min-height: 52px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.form-control[type="text"],
.form-control[type="email"],
.form-control[type="url"],
.form-control select {
  display: block;
}

.signup-form-soft label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 600;
}

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

.signup-form input,
.signup-form select,
.signup-form textarea {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.signup-form textarea {
  min-height: 150px;
  resize: vertical;
}

.form-control textarea,
textarea.form-control {
  min-height: 140px;
}

.signup-form input:focus,
.signup-form select:focus,
.signup-form textarea:focus {
  outline: 2px solid rgba(58, 123, 213, 0.16);
  border-color: rgba(58, 123, 213, 0.34);
}

.form-alert {
  width: min(100%, 720px);
  margin: 0 auto 20px;
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 600;
}

.form-alert-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.16);
  color: #b91c1c;
}

.honeypot,
.honeypot-field {
  display: none;
}

.glass-pill {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: min(100%, 720px);
  margin: 0 auto 26px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.glass-pill span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(12px);
  background: rgba(51, 65, 85, 0.96);
  color: #fff;
  padding: 12px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (min-width: 760px) {
  .site-shell {
    width: min(calc(100% - 48px), var(--container));
  }

  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
  }

  .hero-content {
    grid-template-columns: 1fr 1fr;
  }

  .card-grid-three {
    grid-template-columns: repeat(3, minmax(260px, 1fr));
  }

  .card-grid-four {
    grid-template-columns: repeat(4, minmax(260px, 1fr));
  }

  .split-panel {
    grid-template-columns: 1.2fr 0.8fr;
  }

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

  .site-footer {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .hero-card {
    padding: 40px;
  }

  .section-block,
  .content-section,
  .final-cta {
    padding: 80px 40px;
  }

  .form-card {
    padding: 48px;
  }

  .hero-copy h1 {
    font-size: 56px;
  }

  .section-heading h1,
  .section-heading h2 {
    font-size: 34px;
  }

  body,
  .hero-subheadline,
  .section-heading p,
  .feature-card p,
  .value-card p,
  .split-copy p,
  .content-section p {
    font-size: 18px;
  }
}