/* Multiphasic Labs – shared styles */
:root {
  --navy: #1a2b5b;
  --navy-light: #24376b;
  --navy-card: #1e3270;
  --accent: #33ccff;
  --accent-hover: #5dd5ff;
  --accent-dim: rgba(51, 204, 255, 0.15);
  --white: #f8fafc;
  --muted: #94a3b8;
  --border: rgba(51, 204, 255, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header – same navy as logo so it blends; logo prominent */
.site-header {
  background: var(--navy);
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.logo-link {
  display: block;
  line-height: 0;
}

.logo {
  height: 64px;
  width: auto;
  display: block;
}

@media (min-width: 640px) {
  .logo {
    height: 80px;
  }
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

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

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

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--white);
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 2.5rem;
}

.hero .accent {
  color: var(--accent);
}

/* Buttons / CTAs */
.cta,
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  transition: background 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
}

.cta:hover,
.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-dim);
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Sections */
.page-content section {
  padding: 3rem 0;
}

.page-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent);
}

.page-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--white);
}

.page-content p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.page-content ul {
  color: var(--muted);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.35rem;
}

.page-content code {
  background: var(--navy-card);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Cards */
.card {
  background: var(--navy-card);
  border: 1px solid var(--accent-dim);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1rem;
}

.card h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--white);
}

.card p {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.card p:last-child {
  margin-bottom: 0;
}

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

.card a:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

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

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

.footer-nav {
  display: flex;
  gap: 1.25rem;
}

/* Page title (for inner pages) */
.page-title {
  padding: 2.5rem 0 1rem;
}

.page-title h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
}

.page-title p {
  color: var(--muted);
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* Two-column grid for feature lists etc */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}