/* shared.css — Russel Klein Site Styles */
:root {
  --white: #ffffff;
  --off-white: #f7f8fa;
  --light-grey: #e8eaed;
  --mid-grey: #9aa3b0;
  --dark-grey: #3d4450;
  --near-black: #111827;
  --blue-deep: #1a3a6b;
  --blue-mid: #2563eb;
  --blue-light: #3b82f6;
  --blue-pale: #dbeafe;
  --blue-accent: #0ea5e9;
  --gold: #f59e0b;
  --nav-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Sora', sans-serif; background: var(--white); color: var(--near-black); line-height: 1.6; overflow-x: hidden; }

nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light-grey);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; z-index: 1000; transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
.nav-logo { font-family: 'DM Serif Display', serif; font-size: 1.35rem; color: var(--blue-deep); text-decoration: none; }
.nav-logo span { color: var(--blue-mid); }
.nav-links { display: flex; gap: 2rem; align-items: center; list-style: none; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--dark-grey); text-decoration: none; letter-spacing: 0.02em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--blue-mid); }
.nav-cta { background: var(--blue-mid); color: white !important; padding: 0.5rem 1.2rem; border-radius: 6px; }
.nav-cta:hover { background: var(--blue-deep) !important; }

section { padding: 6rem 5%; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-mid); margin-bottom: 0.75rem; }
.section-title { font-family: 'DM Serif Display', serif; font-size: clamp(2rem, 4vw, 2.8rem); color: var(--near-black); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 1rem; }
.section-title em { font-style: italic; color: var(--blue-mid); }
.section-sub { font-size: 1rem; color: var(--dark-grey); max-width: 540px; line-height: 1.75; font-weight: 300; }

.services-bg { background: var(--off-white); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.service-card { background: white; border: 1px solid var(--light-grey); border-radius: 16px; padding: 2rem; transition: all 0.25s; position: relative; overflow: hidden; text-decoration: none; color: inherit; display: block; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--blue-mid), var(--blue-accent)); transform: scaleX(0); transform-origin: left; transition: transform 0.3s; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.1); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.88rem; color: var(--dark-grey); line-height: 1.65; }
.service-tag { display: inline-block; margin-top: 1rem; background: var(--blue-pale); color: var(--blue-deep); font-size: 0.7rem; font-weight: 600; padding: 0.25rem 0.65rem; border-radius: 4px; letter-spacing: 0.05em; text-transform: uppercase; }

.btn-primary { background: var(--blue-mid); color: white; padding: 0.85rem 2rem; border-radius: 8px; font-size: 0.95rem; font-weight: 600; text-decoration: none; transition: all 0.2s; box-shadow: 0 4px 16px rgba(37,99,235,0.3); display: inline-block; }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-2px); }
.btn-secondary { border: 2px solid var(--light-grey); color: var(--dark-grey); padding: 0.85rem 2rem; border-radius: 8px; font-size: 0.95rem; font-weight: 600; text-decoration: none; transition: all 0.2s; display: inline-block; }
.btn-secondary:hover { border-color: var(--blue-mid); color: var(--blue-mid); }

.cta-section { background: linear-gradient(135deg, var(--blue-deep) 0%, #1e4a8a 100%); padding: 6rem 5%; text-align: center; }
.cta-section .section-label { color: var(--blue-accent); }
.cta-section .section-title { color: white; }
.cta-section .btn-primary { background: white; color: var(--blue-deep); }
.cta-section .btn-primary:hover { background: var(--off-white); }

footer { background: var(--near-black); color: rgba(255,255,255,0.7); padding: 4rem 5% 2rem; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; margin-top: 1rem; max-width: 260px; }
.footer-col h4 { color: white; font-size: 0.85rem; font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.85rem; text-decoration: none; margin-bottom: 0.6rem; transition: color 0.2s; }
.footer-col a:hover { color: white; }
.footer-bottom { max-width: 1200px; margin: 2rem auto 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: 0.8rem; }

.page-banner { background: linear-gradient(135deg, #f0f5ff, #ffffff); padding: calc(var(--nav-h) + 4rem) 5% 4rem; border-bottom: 1px solid var(--light-grey); }
.page-banner .section-inner { max-width: 800px; }
.page-banner h1 { font-family: 'DM Serif Display', serif; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; margin-bottom: 1rem; line-height: 1.1; }
.page-banner h1 em { font-style: italic; color: var(--blue-mid); }
.page-banner p { font-size: 1rem; color: var(--dark-grey); max-width: 560px; line-height: 1.75; }
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; font-size: 0.78rem; color: var(--mid-grey); margin-bottom: 1rem; }
.breadcrumb a { color: var(--blue-mid); text-decoration: none; }
.breadcrumb .sep { color: var(--light-grey); }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}