/* ============================================================
   LBR PROCUREMENT — Design System
   Navy & Gold | Professional | Conversion-focused
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Source+Sans+3:wght@300;400;500;600&display=swap');

:root {
  --navy:       #0B1F3A;
  --navy-mid:   #12294e;
  --navy-light: #1a3560;
  --gold:       #C9A84C;
  --gold-light: #e2c472;
  --gold-pale:  #fdf6e3;
  --white:      #ffffff;
  --off-white:  #F5F6F8;
  --gray:       #555555;
  --gray-light: #888888;
  --border:     #dde2ea;
  --success:    #2D7D46;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Sans 3', sans-serif;

  --shadow-sm:  0 2px 8px rgba(11,31,58,0.08);
  --shadow-md:  0 6px 24px rgba(11,31,58,0.12);
  --shadow-lg:  0 16px 48px rgba(11,31,58,0.18);

  --radius:     6px;
  --radius-lg:  12px;
  --max-width:  1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--navy);
  background: var(--white);
}

img { max-width: 100%; display: block; }
a  { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

.lead {
  font-size: 1.15rem;
  color: var(--gray);
  font-weight: 400;
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-header {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.divider {
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin: 16px 0 24px;
}

.divider.centered { margin-left: auto; margin-right: auto; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  color: var(--navy);
  border-color: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: var(--white);
}

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

.btn-lg { padding: 18px 40px; font-size: 1rem; }
.btn-sm { padding: 10px 22px; font-size: 0.875rem; }

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--gold);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
}

.nav-logo-text span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all 0.2s;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
  background: rgba(201,168,76,0.1);
}

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy) !important;
  padding: 9px 20px !important;
  border-radius: var(--radius) !important;
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--gold-light) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--navy-mid);
  padding: 16px 24px 24px;
  gap: 4px;
}

.nav-mobile a {
  display: block;
  padding: 12px 0;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  text-decoration: none;
  font-size: 1rem;
}

.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--gold); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile.open { display: flex; }
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }

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

.footer-col ul a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul a:hover { color: var(--gold); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--gold); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-gold { background: var(--gold-pale); color: var(--gold); border: 1px solid var(--gold); }
.badge-navy { background: var(--navy); color: var(--white); }
.badge-green { background: #e8f5ed; color: var(--success); }

/* ── Checklist items ────────────────────────────────────────── */
.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.check-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--gold);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%230B1F3A' d='M8 14l-4-4 1.4-1.4L8 11.2l6.6-6.6L16 6z'/%3E%3C/svg%3E");
  background-size: 14px;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 2px;
}

/* ── Page hero ───────────────────────────────────────────────── */
.page-hero {
  background: var(--navy);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 { color: var(--white); }
.page-hero .lead { color: rgba(255,255,255,0.7); }

/* ── Utilities ───────────────────────────────────────────────── */
.text-gold   { color: var(--gold); }
.text-navy   { color: var(--navy); }
.text-white  { color: var(--white); }
.text-gray   { color: var(--gray); }
.text-center { text-align: center; }
.text-sm     { font-size: 0.875rem; }
.text-xs     { font-size: 0.8rem; }

.bg-navy     { background: var(--navy); }
.bg-navy-mid { background: var(--navy-mid); }
.bg-off      { background: var(--off-white); }
.bg-gold-pale { background: var(--gold-pale); }

.mt-4  { margin-top: 16px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4  { margin-bottom: 16px; }
.mb-8  { margin-bottom: 32px; }

.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
}

/* ── Animations ──────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ── Disclaimer banner ────────────────────────────────────────── */
.disclaimer-banner {
  background: var(--gold-pale);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 16px 24px;
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
}

.disclaimer-banner strong { color: var(--navy); }