/* Blueliner Group — modern, simple, AI-friendly stylesheet */

:root {
  /* Brand palette aligned to the Blueliner Group logo gradient (green → teal → blue) */
  --navy-900: #0a2540;    /* darkest navy — text, footer */
  --navy-800: #122e54;
  --navy-700: #1a3d72;
  --navy-600: #1e4f9b;    /* brand blue — pulled from logo gradient endpoint */
  --brand-blue: #1e4f9b;
  --teal: #2dd4bf;        /* mid color from the logo gradient */
  --green: #7ed957;       /* top color from the logo gradient (used sparingly) */
  --accent: var(--teal);  /* replaces the old gold accent */
  --steel-300: #8fb3dd;
  --steel-100: #eef4fb;
  --gold: #c9a961;        /* retained but no longer used in default styles */
  --ink: #0f172a;
  --muted: #4b5b73;
  --bg: #ffffff;
  --bg-soft: #f4f8fc;
  --border: #dbe4ef;

  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.08);

  --font-serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --max-w: 1180px;
  --pad-x: clamp(20px, 4vw, 48px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--navy-800);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover {
  color: var(--brand-blue);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  color: var(--navy-900);
  line-height: 1.2;
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1em;
}

.lead {
  font-size: 1.18rem;
  color: var(--muted);
  max-width: 64ch;
}

/* Layout */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

section {
  padding: clamp(56px, 8vw, 96px) 0;
}

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

.eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--navy-600);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

/* Header / nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--navy-900);
  letter-spacing: -0.01em;
}

.brand-mark {
  width: auto;
  height: 36px;
  flex: 0 0 auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.96rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--navy-800);
}

.nav-links a[aria-current="page"] {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}

/* When a nav item is also a button, keep the button's own text color
   (the .nav-links a rule above otherwise overrides it). */
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  color: #fff;
  border-bottom: 0;
}

.nav-links a.btn-outline {
  color: var(--navy-900);
}

.nav-links a.btn-outline:hover {
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 6px;
  cursor: pointer;
  color: var(--navy-900);
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--navy-900);
  color: #fff;
}

.btn-primary:hover {
  background: var(--navy-800);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}

.btn-outline:hover {
  background: var(--navy-900);
  color: #fff;
}

/* Hero */

.hero {
  padding: clamp(72px, 10vw, 128px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(141, 169, 196, 0.22), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero h1 strong {
  color: var(--navy-900);
  font-weight: 600;
}

.hero h1 em {
  font-style: italic;
  color: var(--navy-600);
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

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

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.stat {
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--navy-900);
  font-weight: 600;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Pillars / cards */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

/* Force a strict 3-column layout (used for the 6 home-page services so they
   render as a tidy 3 + 3 grid instead of 4 + 2). */
.grid-cards--3col {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .grid-cards--3col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-cards--3col {
    grid-template-columns: 1fr;
  }
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--steel-300);
}

.card-icon {
  width: 38px;
  height: 38px;
  color: var(--navy-800);
  margin-bottom: 14px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

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

/* Two-column section */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.two-col-image {
  background: linear-gradient(160deg, #0f3a5e 0%, var(--navy-900) 55%, #07182c 100%);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 0;
}

.two-col-image svg {
  width: 100%;
  height: 100%;
  display: block;
}

.two-col-image .caption {
  position: absolute;
  bottom: 18px;
  left: 22px;
  font-family: var(--font-serif);
  font-style: italic;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

/* Team */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.team-member {
  text-align: left;
}

.avatar {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--steel-100), var(--steel-300));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--navy-900);
  margin-bottom: 14px;
}

.team-member h3 {
  margin: 0 0 2px;
  font-size: 1.1rem;
}

.role {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* CTA banner */

.cta-banner {
  background: var(--navy-900);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  align-items: center;
  gap: 32px;
}

.cta-banner h2 {
  color: #fff;
  margin: 0;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.78);
  margin: 8px 0 0;
}

.cta-banner .btn-primary {
  background: var(--accent);
  color: var(--navy-900);
}

.cta-banner .btn-primary:hover {
  background: #5eebdc;
}

/* Service detail list */

.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}

.service-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.service-row:last-child {
  border-bottom: 1px solid var(--border);
}

.service-row h3 {
  margin: 0;
  font-size: 1.4rem;
}

.service-row ul {
  margin: 12px 0 0;
  padding-left: 1.1em;
  color: var(--muted);
}

.service-row li {
  margin-bottom: 6px;
}

/* Contact form */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

.contact-info p {
  color: var(--muted);
}

.contact-info dl {
  margin: 24px 0 0;
}

.contact-info dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--navy-600);
  margin-top: 18px;
  font-weight: 600;
}

.contact-info dd {
  margin: 4px 0 0;
  color: var(--ink);
}

.form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--navy-600);
  box-shadow: 0 0 0 3px rgba(30, 64, 120, 0.12);
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-status {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--navy-800);
}

/* FAQ */

.faq {
  margin-top: 24px;
}

.faq details {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}

.faq details:last-of-type {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy-900);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--navy-600);
  font-family: var(--font-sans);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  margin: 12px 0 0;
  color: var(--muted);
}

/* Footer */

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.78);
  padding: 56px 0 24px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.site-footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  margin: 0 0 14px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 8px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
}

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

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 12px;
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Page intro */

.page-intro {
  padding: clamp(64px, 8vw, 110px) 0 clamp(32px, 5vw, 48px);
  background: linear-gradient(180deg, var(--bg-soft) 0%, #ffffff 100%);
}

.page-intro h1 {
  margin-bottom: 14px;
}

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.breadcrumbs a {
  color: var(--muted);
}

.breadcrumbs a:hover {
  color: var(--navy-800);
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid,
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .service-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .cta-banner {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    padding: 0 var(--pad-x);
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

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

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

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}