:root {
  --sb-bg: #f5f7fb;
  --sb-bg-alt: #ffffff;
  --sb-card: #ffffff;
  --sb-accent: #2563eb;
  --sb-accent-soft: rgba(37, 99, 235, 0.08);
  --sb-accent-strong: #22c55e;
  --sb-text: #0f172a;
  --sb-muted: #6b7280;
  --sb-border: rgba(148, 163, 184, 0.35);
  --sb-radius-lg: 22px;
  --sb-radius-md: 14px;
  --sb-radius-pill: 999px;
  --sb-shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.65);
  --sb-shadow-card: 0 18px 40px rgba(15, 23, 42, 0.8);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.12), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(34, 197, 94, 0.12), transparent 55%),
    var(--sb-bg);
  color: var(--sb-text);
  -webkit-font-smoothing: antialiased;
}

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

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

.sb-container {
  width: 100%;
  max-width: 1120px;
  padding-inline: 1.5rem;
  margin-inline: auto;
}

/* Header */

.sb-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(248, 250, 252, 0.96),
    rgba(248, 250, 252, 0.94),
    transparent
  );
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.sb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.sb-logo {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.sb-logo span {
  color: var(--sb-accent);
}

.sb-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
  color: var(--sb-muted);
}

.sb-nav-link {
  position: relative;
  padding-block: 0.25rem;
}

.sb-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(to right, var(--sb-accent), #a855f7);
  transition: width 0.18s ease-out;
}

.sb-nav-link:hover::after {
  width: 100%;
}

.sb-header-cta {
  margin-left: 1.75rem;
}

.sb-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at 0 0, #e5edff, #eff6ff);
  cursor: pointer;
}

.sb-nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #1f2937;
  transition: transform 0.18s ease-out, opacity 0.18s ease-out;
}

.sb-nav-toggle-open span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.sb-nav-toggle-open span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Buttons */

.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.6rem 1.35rem;
  border-radius: var(--sb-radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.14s ease-out, box-shadow 0.14s ease-out,
    background 0.14s ease-out, border-color 0.14s ease-out;
}

.sb-btn-primary {
  background: linear-gradient(135deg, #2563eb, #22c55e);
  color: white;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.35);
}

.sb-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(79, 70, 229, 0.7);
}

.sb-btn-outline {
  border-color: rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.9);
  color: var(--sb-text);
}

.sb-btn-outline:hover {
  border-color: rgba(148, 163, 184, 0.8);
  background: rgba(15, 23, 42, 0.7);
}

.sb-text-link {
  font-size: 0.95rem;
  color: #2563eb;
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, 0.4);
  text-underline-offset: 3px;
}

/* Hero */

.sb-hero {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.sb-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: 3.25rem;
  align-items: center;
}

.sb-hero-copy h1 {
  font-size: clamp(2.5rem, 3.1vw + 1.9rem, 3.3rem);
  letter-spacing: -0.04em;
  margin: 0 0 0.85rem;
}

.sb-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--sb-radius-pill);
  background: rgba(219, 234, 254, 0.75);
  border: 1px solid rgba(191, 219, 254, 0.9);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1d4ed8;
  margin-bottom: 0.7rem;
}

.sb-hero-subtitle {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--sb-muted);
  max-width: 34rem;
  margin-top: 0.1rem;
  margin-bottom: 0.6rem;
}

.sb-hero-actions {
  margin-top: 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.sb-hero-panel {
  background: radial-gradient(circle at 0% 0%, #e0f2fe 0, #f9fafb 65%);
  border-radius: var(--sb-radius-lg);
  padding: 1.5rem 1.4rem 1.6rem;
  border: 1px solid rgba(191, 219, 254, 0.9);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  position: relative;
  overflow: hidden;
}

.sb-hero-image {
  width: 100%;
  border-radius: 18px;
  object-fit: cover;
  max-height: 260px;
  margin-bottom: 1.1rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
}

.sb-hero-panel::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 0 0, rgba(59, 130, 246, 0.18), transparent 55%);
  opacity: 1;
  pointer-events: none;
}

.sb-hero-card {
  position: relative;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(191, 219, 254, 0.9);
}

.sb-hero-tag {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #eff6ff;
  border: 1px solid rgba(191, 219, 254, 0.9);
  font-size: 0.8rem;
}

.sb-hero-tag-secondary {
  background: rgba(219, 234, 254, 0.9);
  border-color: #2563eb;
}

.sb-hero-tag-accent {
  background: rgba(220, 252, 231, 0.9);
  border-color: #22c55e;
}

.sb-hero-arrow {
  color: #9ca3af;
  font-size: 0.8rem;
}

.sb-hero-caption {
  position: relative;
  margin-top: 1.1rem;
  font-size: 0.9rem;
  color: var(--sb-muted);
}

/* Sections */

.sb-section {
  padding-block: 3.5rem;
}

.sb-section-alt {
  background: radial-gradient(circle at 0% 0%, #e0f2fe 0, #f9fafb 65%);
}

.sb-section-header {
  max-width: 36rem;
  margin-bottom: 2.2rem;
}

.sb-section-header h2 {
  margin: 0.15rem 0 0.65rem;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.sb-section-subtitle {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--sb-muted);
}

.sb-centered {
  text-align: center;
  max-width: 42rem;
}

.sb-centered h2 {
  margin: 0.2rem 0 0.85rem;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
}

.sb-centered .sb-section-subtitle {
  margin-inline: auto;
}

/* Steps */

.sb-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.8rem;
}

.sb-step {
  border-radius: var(--sb-radius-md);
  background: radial-gradient(circle at 0 0, #eff6ff 0, #ffffff 70%);
  border: 1px solid rgba(191, 219, 254, 0.9);
  padding: 1.2rem 1.2rem 1.4rem;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.sb-step-image {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 0.9rem;
  object-fit: cover;
  max-height: 180px;
}

.sb-step-label {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--sb-radius-pill);
  border: 1px solid rgba(191, 219, 254, 0.9);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2563eb;
  margin-bottom: 0.7rem;
}

.sb-step h3 {
  margin: 0.2rem 0 0.6rem;
  font-size: 1.1rem;
}

.sb-step p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--sb-muted);
}

/* Chat / audit section */

.sb-chat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: 2.4rem;
  align-items: center;
}

.sb-chat-copy h2 {
  margin: 0.2rem 0 0.9rem;
  font-size: 1.9rem;
  letter-spacing: -0.03em;
}

.sb-chat-copy p {
  margin: 0 0 1.5rem;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--sb-muted);
}

.sb-chat-panel {
  border-radius: var(--sb-radius-lg);
  padding: 1.5rem 1.4rem;
  border: 1px solid rgba(191, 219, 254, 0.9);
  background: radial-gradient(
    circle at 0 0,
    rgba(191, 219, 254, 0.9),
    #ffffff 60%
  );
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.sb-pill-row {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.sb-pill {
  padding: 0.3rem 0.85rem;
  border-radius: var(--sb-radius-pill);
  border: 1px solid rgba(191, 219, 254, 0.9);
  font-size: 0.8rem;
  background: #ffffff;
}

.sb-pill-soft {
  background: #dbeafe;
  border-color: #2563eb;
}

.sb-pill-strong {
  background: #dcfce7;
  border-color: #22c55e;
}

.sb-pill-arrow {
  font-size: 0.8rem;
  color: #9ca3af;
}

.sb-chat-caption {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--sb-muted);
}

/* Footer */

.sb-footer {
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  background: #f9fafb;
  padding-block: 2.8rem 2.2rem;
  margin-top: 1rem;
}

.sb-footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.sb-footer-main {
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
}

.sb-footer-subtitle {
  margin: 0.7rem 0 1.4rem;
  font-size: 0.95rem;
  color: var(--sb-muted);
}

.sb-footer-meta {
  display: flex;
  gap: 2.5rem;
  min-width: 230px;
}

.sb-footer-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sb-muted);
  margin-bottom: 0.4rem;
}

.sb-footer-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--sb-text);
}

.sb-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.sb-footer-small {
  font-size: 0.8rem;
  color: var(--sb-muted);
  margin: 0;
}

.sb-footer-link {
  font-size: 0.8rem;
  color: var(--sb-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Responsive */

@media (max-width: 900px) {
  .sb-hero-inner,
  .sb-chat-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .sb-hero {
    padding-top: 2.8rem;
  }

  .sb-hero-panel {
    order: -1;
  }

  .sb-steps-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .sb-footer-main {
    flex-direction: column;
  }

  .sb-footer-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .sb-header-inner {
    padding-block: 0.7rem;
  }

  .sb-nav-toggle {
    display: flex;
  }

  .sb-header-cta {
    display: none;
  }

  .sb-nav {
    position: absolute;
    right: 1.5rem;
    top: 3.2rem;
    flex-direction: column;
    gap: 0.8rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--sb-radius-md);
    background: rgba(15, 23, 42, 0.97);
    border: 1px solid rgba(148, 163, 184, 0.4);
    box-shadow: var(--sb-shadow-soft);
    transform-origin: top right;
    transform: scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.16s ease-out, opacity 0.16s ease-out;
  }

  .sb-nav-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }

  .sb-hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .sb-hero-panel,
  .sb-chat-panel {
    padding: 1.3rem 1.1rem;
  }
}

@media (max-width: 540px) {
  .sb-container {
    padding-inline: 1.1rem;
  }

  .sb-hero {
    padding-top: 2.3rem;
  }

  .sb-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}