/* =============================================
   Burke Solutions — Redesigned Stylesheet
   Theme: Clean professional with warm navy/amber
   Fonts: DM Serif Display + DM Sans
   ============================================= */

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

:root {
  --navy:    #0f2744;
  --navy-md: #1a3a60;
  --navy-lt: #e8eef6;
  --amber:   #e8a020;
  --amber-lt:#fdf4e3;
  --text:    #1c2b3a;
  --muted:   #5a6a7a;
  --border:  #d4dde8;
  --white:   #ffffff;
  --bg:      #f8fafc;
  --radius:  10px;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --nav-h: 68px;
  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ---- UTILITY ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 5rem 0; }
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

/* ---- NAV ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 2.5rem;
  gap: 2rem;
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 16px rgba(15,39,68,0.08); }

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--navy);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--amber); }

.nav-links {
  display: flex;
  gap: 1.8rem;
  margin-left: auto;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--navy); }
.nav-links a.active::after, .nav-links a:hover::after { transform: scaleX(1); }

.btn-nav {
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  background: var(--navy);
  color: var(--white);
  border-radius: 6px;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.btn-nav:hover { background: var(--navy-md); transform: translateY(-1px); }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  padding: 13px 28px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: var(--navy-md); transform: translateY(-2px); }
.btn-primary.btn-light {
  background: var(--white);
  color: var(--navy);
}
.btn-primary.btn-light:hover { background: var(--amber-lt); }

.btn-secondary {
  display: inline-block;
  padding: 13px 28px;
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.link-arrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
  text-decoration: none;
  display: inline-block;
  margin-top: 0.75rem;
  transition: transform var(--transition);
}
.link-arrow:hover { transform: translateX(4px); }

/* ---- HERO ---- */
.hero {
  min-height: calc(90vh - var(--nav-h));
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-md) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 5rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(232,160,32,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.25rem;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  color: var(--white);
  line-height: 1.1;
  max-width: 800px;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.7s ease both;
}
.hero-title em {
  color: var(--amber);
  font-style: italic;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.7s 0.15s ease both;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
  margin-bottom: 4rem;
  animation: fadeUp 0.7s 0.28s ease both;
}
.hero-stats {
  display: flex;
  gap: 0;
  align-items: center;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 1.25rem 2.5rem;
  animation: fadeUp 0.7s 0.4s ease both;
}
.stat { text-align: center; padding: 0 2rem; }
.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--white);
}
.stat-label {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* ---- ABOUT SECTION ---- */
.about-section { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.about-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.about-card:hover {
  box-shadow: 0 8px 32px rgba(15,39,68,0.1);
  transform: translateY(-3px);
}
.about-card--accent {
  background: var(--navy);
  border-color: var(--navy);
  color: rgba(255,255,255,0.85);
}
.about-card--accent h3 { color: var(--white); }
.about-card--accent p { color: rgba(255,255,255,0.75); }
.about-card--accent .link-arrow { color: var(--amber); }
.about-icon { font-size: 2rem; margin-bottom: 1rem; }
.about-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.about-card p { font-size: 15px; color: var(--muted); line-height: 1.75; }

/* ---- SERVICES PAGE ---- */
.page-hero {
  background: var(--navy);
  padding: 5rem 0 4rem;
  text-align: center;
}
.page-hero .section-label { margin-bottom: 0.75rem; }
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  color: var(--white);
  line-height: 1.15;
}
.page-hero h1 em { color: var(--amber); font-style: italic; }
.page-hero-sub {
  margin-top: 1rem;
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: 0 8px 32px rgba(15,39,68,0.1);
  transform: translateY(-3px);
  border-color: var(--amber);
}
.service-icon { font-size: 2rem; margin-bottom: 1rem; }
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 0.65rem;
}
.service-card p { font-size: 15px; color: var(--muted); line-height: 1.75; }

/* ---- CTA BAND ---- */
.cta-band {
  background: var(--amber);
  padding: 3.5rem 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cta-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--navy);
}

/* ---- CONTACT ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-form-wrap h2, .contact-info h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 1.5rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}
.required { color: var(--amber); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15,39,68,0.08);
}
.form-group textarea { resize: vertical; }
.form-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 0.75rem;
  text-align: center;
}
.form-success {
  display: none;
  background: #e8f5e9;
  color: #2e7d32;
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 1rem;
  font-size: 15px;
  text-align: center;
}
.form-error {
  display: none;
  background: #fdecea;
  color: #c0392b;
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 1rem;
  font-size: 15px;
  text-align: center;
}

.info-block {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.info-block:last-of-type { border-bottom: none; }
.info-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.info-block strong {
  display: block;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 3px;
}
.info-block p { font-size: 14.5px; color: var(--muted); }
.info-cta {
  background: var(--amber-lt);
  border: 1px solid rgba(232,160,32,0.3);
  border-radius: 10px;
  padding: 1.25rem;
  margin-top: 1rem;
}
.info-cta p { font-weight: 600; color: var(--navy); }
.info-cta p.muted { font-weight: 400; color: var(--muted); font-size: 14px; margin-top: 4px; }

/* ---- FOOTER ---- */
.footer {
  background: var(--navy);
  padding: 3rem 0 0;
  margin-top: auto;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .nav-logo { color: var(--white); font-size: 1.2rem; }
.footer-brand p {
  font-size: 13.5px;
  color: rgba(255,255,255,0.55);
  margin-top: 6px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-nav a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--amber); }
.footer-copy {
  text-align: center;
  font-size: 12.5px;
  color: rgba(255,255,255,0.35);
  padding: 1.25rem 0;
}

/* ---- HAMBURGER / MOBILE MENU ---- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.22s ease;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem 2rem;
  z-index: 99;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .hero-stats {
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
  }
  .stat-divider { width: 80px; height: 1px; }
  .stat { padding: 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .cta-inner { justify-content: center; text-align: center; }
  .footer-inner { flex-direction: column; gap: 1.5rem; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; text-align: center; }
  .nav { padding: 0 1.25rem; }
}