/* Splice Agentic — base styles */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7f8;
  --color-teal-tint: #eaf6f7;
  --color-text: #142433;
  --color-text-muted: #4b5f6d;
  --color-navy: #12324d;
  --color-navy-deep: #0b2138;
  --color-accent: #1aa8b8;
  --color-accent-dark: #0e7a86;
  --color-accent-darker: #0b616b;
  --color-accent-light: #5fd4de;
  --color-border: #e3eaed;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --max-width: 1120px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Buttons */

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 999px;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent-dark);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-accent-darker);
}

.btn-primary:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent-dark);
  outline-offset: 2px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  height: 42px;
  width: auto;
}

.site-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.98rem;
}

.site-nav a:hover {
  color: var(--color-accent-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--color-navy);
}

.mobile-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 16px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text);
}

.mobile-nav .btn {
  display: inline-block;
  text-align: center;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 96px;
  background: linear-gradient(160deg, var(--color-teal-tint) 0%, #ffffff 55%, #ffffff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 15%, rgba(14, 122, 134, 0.12), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(18, 50, 77, 0.08), transparent 40%),
    radial-gradient(rgba(18, 50, 77, 0.07) 1px, transparent 1.6px);
  background-size: auto, auto, 24px 24px;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 122, 134, 0.1);
  color: var(--color-accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-dark);
}

.hero h1 {
  font-size: clamp(2.1rem, 3.4vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 20px;
  color: var(--color-navy);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 32px;
  max-width: 560px;
}

.hero-cta {
  margin-bottom: 24px;
}

.hero-tags {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 20px 40px -24px rgba(11, 33, 56, 0.25);
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-accent-dark), var(--color-accent-light));
}

.hero-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.hero-panel-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  color: var(--color-navy);
  font-size: 0.98rem;
}

.hero-panel-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(14, 122, 134, 0.1);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-panel-icon svg {
  width: 22px;
  height: 22px;
}

/* Sections */

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  color: var(--color-navy);
  margin: 0 0 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-lead {
  max-width: 720px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.about-inner {
  max-width: 760px;
}

.about-inner p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Card grid */

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: 0 1px 2px rgba(18, 50, 77, 0.04);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(14, 122, 134, 0.35);
  box-shadow: 0 16px 32px -20px rgba(18, 50, 77, 0.22);
}

.card:hover .card-icon {
  background: var(--color-accent-dark);
  color: #ffffff;
}

.card h3 {
  margin: 4px 0 10px;
  font-size: 1.08rem;
  color: var(--color-navy);
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(14, 122, 134, 0.1);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

/* Steps */

.steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--color-navy);
}

.step p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Diagnostic callout */

.diagnostic-section {
  padding: 56px 0;
  background: var(--color-bg);
}

.diagnostic-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--color-teal-tint);
  border: 1px solid rgba(14, 122, 134, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
}

.diagnostic-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-accent-dark), var(--color-accent-light));
}

.diagnostic-text h2 {
  margin: 0 0 10px;
}

.diagnostic-text p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.02rem;
  max-width: 560px;
}

.diagnostic-panel .btn {
  flex-shrink: 0;
}

/* Trust grid */

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.trust-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.trust-item p {
  margin: 0;
  font-weight: 600;
  color: var(--color-navy);
  font-size: 0.98rem;
}

/* Navy feature section (Responsible AI) */

.section-navy {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-deep) 100%);
  color: #eaf3f4;
}

.section-navy h2 {
  color: #ffffff;
}

.section-navy .section-lead {
  color: #b9d3d7;
}

.section-navy .trust-item {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.section-navy .trust-item:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 16px 32px -20px rgba(0, 0, 0, 0.35);
}

.section-navy .trust-item p {
  color: #f2fafb;
}

.section-navy .card-icon {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-accent-light);
}

/* Contact */

.contact-section {
  text-align: center;
}

.contact-inner {
  max-width: 680px;
}

.contact-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: 0 20px 40px -28px rgba(18, 50, 77, 0.2);
}

.contact-card p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.contact-direct {
  margin-top: 20px !important;
}

.contact-direct a {
  color: var(--color-accent-dark);
  font-weight: 600;
  text-decoration: none;
}

.contact-direct a:hover {
  text-decoration: underline;
}

/* Footer */

.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 40px 0;
}

.footer-inner {
  text-align: center;
}

.footer-logo {
  height: 34px;
  margin: 0 auto 16px;
}

.footer-inner p {
  margin: 4px 0;
  font-size: 0.9rem;
}

.footer-inner a {
  color: var(--color-accent-dark);
  text-decoration: none;
}

.footer-inner a:hover {
  text-decoration: underline;
}

/* Responsive */

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .hero-panel {
    max-width: 420px;
  }

  .diagnostic-panel {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 720px) {
  .site-nav {
    display: none;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .section {
    padding: 56px 0;
  }

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

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

  .hero-panel {
    max-width: none;
    padding: 26px 22px;
  }

  .diagnostic-panel {
    padding: 32px 28px;
  }

  .contact-card {
    padding: 40px 28px;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    height: 34px;
  }
}