@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,500;0,8..60,600;1,8..60,500&display=swap');

:root {
  --corp: #1e3a5f;
  --corp-dark: #152a45;
  --accent: #2563eb;
  --accent-light: #60a5fa;
  --silver: #94a3b8;
  --fog: #f1f5f9;
  --white: #ffffff;
  --text: #334155;
  --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Outfit', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.wrap { width: min(var(--max), 92vw); margin: 0 auto; }

.site-top {
  background: var(--corp-dark);
  color: var(--silver);
  font-size: 0.82rem;
  padding: 0.55rem 0;
}

.site-top .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.site-top a { color: var(--accent-light); font-weight: 500; }
.site-top a:hover { text-decoration: underline; }

.site-header {
  background: var(--white);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo img { height: 36px; width: auto; }

.logo span {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--corp);
  line-height: 1.2;
}

.logo small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--silver);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  padding: 0.5rem 0.85rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  border-radius: 6px;
}

.main-nav a:hover,
.main-nav a.active { color: var(--accent); background: #eff6ff; }

.main-nav a.btn-nav {
  background: var(--accent);
  color: var(--white);
  margin-left: 0.5rem;
}

.main-nav a.btn-nav:hover { background: #1d4ed8; color: var(--white); }

.menu-btn {
  display: none;
  background: var(--corp);
  color: var(--white);
  border: 0;
  padding: 0.55rem 0.9rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.hero-band {
  background: linear-gradient(135deg, var(--corp-dark) 55%, #1e40af 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero-band::after {
  content: '';
  position: absolute;
  right: -10%;
  top: -20%;
  width: 55%;
  height: 140%;
  background: url('../assets/images/plc-abstract.png') center/cover no-repeat;
  opacity: 0.15;
  transform: skewX(-8deg);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  padding: 4.5rem 0 5rem;
}

.hero-inner h1 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  line-height: 1.12;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-inner .lead {
  color: #cbd5e1;
  font-size: 1.08rem;
  max-width: 48ch;
}

.hero-inner .email-line {
  margin-top: 1.25rem;
  font-size: 0.95rem;
}

.hero-inner .email-line a {
  color: #93c5fd;
  font-weight: 600;
}

.hero-photo img {
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.45rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid transparent;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: #1d4ed8; }

.btn-outline {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2rem; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--corp);
  color: var(--white);
}

.metrics div {
  padding: 1.5rem;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.metrics div:last-child { border-right: 0; }

.metrics strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-light);
}

.metrics span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
}

.section { padding: 4.5rem 0; }
.section-alt { background: var(--fog); }

.section-title {
  max-width: 560px;
  margin-bottom: 2.5rem;
}

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

.section-title h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  color: var(--corp);
  margin-bottom: 0.75rem;
}

.section-title p { color: var(--silver); }

.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-top: 4px solid var(--accent);
  padding: 1.75rem;
  border-radius: 0 0 10px 10px;
}

.section-alt .feature { box-shadow: 0 8px 30px rgba(30,58,95,0.06); }

.feature h3 {
  font-size: 1.1rem;
  color: var(--corp);
  margin-bottom: 0.5rem;
}

.feature p { font-size: 0.94rem; color: var(--silver); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split img {
  border-radius: 10px;
  height: 320px;
  object-fit: cover;
  width: 100%;
}

.split h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.6rem;
  color: var(--corp);
  margin-bottom: 0.75rem;
}

.split p { color: var(--silver); margin-bottom: 0.85rem; }

.solution-list { margin-top: 2rem; }

.solution-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid #e2e8f0;
}

.solution-item:first-child { border-top: 1px solid #e2e8f0; }

.solution-item .num {
  font-size: 2rem;
  font-weight: 700;
  color: #dbeafe;
  line-height: 1;
}

.solution-item h3 {
  font-size: 1.15rem;
  color: var(--corp);
  margin-bottom: 0.4rem;
}

.solution-item p { color: var(--silver); font-size: 0.95rem; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.contact-card {
  background: var(--corp);
  color: var(--white);
  border-radius: 12px;
  padding: 2.25rem;
}

.contact-card h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.contact-card p { color: #94a3b8; margin-bottom: 1.5rem; }

.contact-card li {
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.contact-card li:last-child { border-bottom: 0; }

.contact-card strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.3rem;
}

.contact-card a { color: #93c5fd; word-break: break-all; }

.form-box {
  background: var(--fog);
  border-radius: 12px;
  padding: 2.25rem;
  border: 1px solid #e2e8f0;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--corp);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: var(--white);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form-note { font-size: 0.82rem; color: var(--silver); margin-top: 0.75rem; }

.map-box {
  margin-top: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
}

.map-box iframe { width: 100%; height: 240px; border: 0; display: block; }

.site-footer {
  background: var(--corp-dark);
  color: #94a3b8;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-grid h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.footer-grid a { color: var(--accent-light); }
.footer-grid a:hover { text-decoration: underline; }

.footer-end {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

@media (max-width: 960px) {
  .hero-inner, .split, .contact-layout, .cols-3, .footer-grid {
    grid-template-columns: 1fr;
  }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics div:nth-child(2) { border-right: 0; }
}

@media (max-width: 720px) {
  .menu-btn { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  }
  .main-nav.open { display: flex; }
  .site-header .wrap { position: relative; }
  .metrics { grid-template-columns: 1fr; }
  .metrics div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
}