@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --ink: #0f2a44;
  --ink-mid: #1a3d5c;
  --blue: #3a6fa0;
  --blue-light: #5a9fd4;
  --slate: #f0f3f7;
  --light: #f7f9fb;
  --text: #4a5568;
  --text-light: #8895a7;
  --border: #dfe6ee;
  --white: #fff;
  --display: 'DM Serif Display', Georgia, serif;
  --body: 'DM Sans', sans-serif;
  --max-w: 1040px;
  --tr: 0.35s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--body); font-weight: 300; color: var(--text); background: var(--white); line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--tr); }
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }

h1, h2, h3 { font-family: var(--display); color: var(--ink); font-weight: 400; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p { max-width: 62ch; }
.label { font-family: var(--body); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue); }
.muted { color: var(--text-light); }

/* Nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1rem 0; transition: var(--tr); }
.nav--scrolled { background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); padding: 0.7rem 0; }
.nav__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-family: var(--body); font-size: 1rem; font-weight: 600; color: var(--ink); letter-spacing: 0.06em; text-transform: uppercase; }
.nav--hero .nav__logo { color: var(--white); }
.nav--scrolled .nav__logo { color: var(--ink) !important; }
.nav__links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav__links a { font-size: 0.75rem; font-weight: 400; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text); }
.nav--hero .nav__links a { color: rgba(255,255,255,0.75); }
.nav--scrolled .nav__links a { color: var(--text) !important; }
.nav__links a:hover { color: var(--blue); }
.nav__links a.active { color: var(--ink); }
.nav--hero .nav__links a.active { color: var(--white) !important; }
.nav--scrolled .nav__links a.active { color: var(--ink) !important; }
.nav__cta { padding: 0.5rem 1.2rem !important; background: var(--blue); color: var(--white) !important; font-size: 0.7rem !important; letter-spacing: 0.08em; border-radius: 3px; }
.nav__cta:hover { background: var(--ink); }
.nav__toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; }
.nav__toggle span { width: 20px; height: 1.5px; background: var(--ink); transition: var(--tr); }
.nav--hero .nav__toggle span { background: var(--white); }
.nav--scrolled .nav__toggle span { background: var(--ink) !important; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.8rem 2rem; font-family: var(--body); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; border: none; cursor: pointer; transition: var(--tr); border-radius: 3px; }
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--ink); transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--white); }
.btn svg { width: 14px; height: 14px; transition: transform 0.3s; }
.btn:hover svg { transform: translateX(3px); }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; background: linear-gradient(160deg, var(--ink) 0%, var(--ink-mid) 60%, #1e4a6e 100%); position: relative; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 40%; background: linear-gradient(to top, rgba(15,42,68,0.3), transparent); }
.hero .wrap { position: relative; z-index: 1; padding-top: 4rem; }
.hero h1 { color: var(--white); margin-bottom: 1.2rem; max-width: 580px; }
.hero h1 em { font-style: italic; color: var(--blue-light); }
.hero__sub { color: rgba(255,255,255,0.5); font-size: 1rem; max-width: 440px; margin-bottom: 2.5rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__actions .btn--primary { background: var(--blue-light); color: var(--ink); font-weight: 600; }
.hero__actions .btn--primary:hover { background: var(--white); }
.hero__actions .btn--outline { color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.2); }
.hero__actions .btn--outline:hover { background: rgba(255,255,255,0.1); color: var(--white); }

/* Stat bar */
.stat-bar { background: var(--slate); border-bottom: 1px solid var(--border); }
.stat-bar__inner { max-width: var(--max-w); margin: 0 auto; padding: 2rem; display: flex; justify-content: space-between; }
.stat { text-align: center; flex: 1; }
.stat__num { font-family: var(--display); font-size: 1.8rem; color: var(--ink); line-height: 1; margin-bottom: 0.2rem; }
.stat__text { font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-light); }

/* Sections */
.section { padding: 5rem 0; }
.section--slate { background: var(--slate); }
.section--dark { background: var(--ink); }
.section__head { margin-bottom: 3rem; }
.section__head .label { display: block; margin-bottom: 0.5rem; }
.section__head p { color: var(--text-light); margin-top: 0.5rem; }
hr.divider { height: 1px; background: var(--border); border: none; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }

/* Cards */
.card { padding: 2rem; border: 1px solid var(--border); border-radius: 4px; transition: var(--tr); background: var(--white); }
.card:hover { border-color: var(--blue); box-shadow: 0 4px 20px rgba(15,42,68,0.06); }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.9rem; color: var(--text-light); }
.card .label { display: block; margin-bottom: 0.6rem; }

/* Service rows */
.service-row { padding: 2.5rem 0; border-bottom: 1px solid var(--border); }
.service-row:last-child { border-bottom: none; }
.service-row .label { display: block; margin-bottom: 0.4rem; }
.service-row h2 { margin-bottom: 0.6rem; }
.service-row p { color: var(--text-light); font-size: 0.95rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.8rem; }
.tag { padding: 0.3rem 0.7rem; background: var(--slate); font-size: 0.72rem; color: var(--text); border: 1px solid var(--border); border-radius: 3px; }

/* Process */
.process-item { padding: 1.2rem 0; border-bottom: 1px solid var(--border); display: flex; gap: 1.5rem; align-items: flex-start; }
.process-item:last-child { border-bottom: none; }
.process-num { font-family: var(--display); font-size: 2.2rem; color: var(--border); line-height: 1; min-width: 40px; }
.process-item h3 { margin-bottom: 0.2rem; font-size: 1.1rem; }
.process-item p { font-size: 0.88rem; color: var(--text-light); }

/* Figures */
.figures { display: flex; justify-content: space-between; text-align: center; padding: 3rem 0; }
.figure__num { font-family: var(--display); font-size: clamp(2.5rem, 5vw, 3.5rem); color: var(--blue); line-height: 1; margin-bottom: 0.3rem; }
.figure__text { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-light); }

/* Certs */
.cert-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cert { padding: 0.5rem 1rem; background: var(--white); border: 1px solid var(--border); border-radius: 3px; font-size: 0.8rem; font-weight: 500; color: var(--ink); }

/* Client strip */
.clients { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: center; padding: 1rem 0; }
.clients span { font-size: 1rem; font-weight: 500; color: var(--text-light); letter-spacing: 0.02em; }

/* CTA */
.cta { padding: 4rem 0; background: var(--ink); text-align: center; }
.cta h2 { color: var(--white); margin-bottom: 0.5rem; }
.cta p { color: rgba(255,255,255,0.45); margin: 0 auto 1.5rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info h3 { margin-bottom: 1.5rem; }
.c-item { margin-bottom: 1.5rem; }
.c-item h4 { font-family: var(--body); font-weight: 500; color: var(--ink); margin-bottom: 0.15rem; font-size: 0.9rem; }
.c-item p { font-size: 0.88rem; color: var(--text-light); }
.c-item a { color: var(--blue); }
.contact-form { background: var(--slate); padding: 2.5rem; border-radius: 4px; }
.contact-form h3 { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.form-group { margin-bottom: 0.9rem; }
.form-group label { display: block; font-size: 0.72rem; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text); margin-bottom: 0.25rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.65rem 0.85rem; font-family: var(--body); font-size: 0.85rem; color: var(--text); background: var(--white); border: 1px solid var(--border); border-radius: 3px; outline: none; transition: var(--tr); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 90px; }

/* Page hero */
.page-hero { padding: 8rem 0 3rem; background: var(--slate); }
.page-hero .label { display: block; margin-bottom: 0.4rem; }
.page-hero p { color: var(--text-light); font-size: 1rem; max-width: 520px; margin-top: 0.4rem; }

/* Pillar */
.pillar { padding: 1.8rem; border-left: 3px solid var(--blue); margin-bottom: 1.2rem; background: var(--white); border-radius: 0 4px 4px 0; }
.pillar h3 { margin-bottom: 0.4rem; font-size: 1.1rem; }
.pillar p { font-size: 0.88rem; color: var(--text-light); }

/* Footer */
.footer { background: var(--ink); color: rgba(255,255,255,0.4); padding: 2.5rem 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer__brand { font-family: var(--body); font-size: 0.9rem; font-weight: 600; color: rgba(255,255,255,0.65); letter-spacing: 0.06em; text-transform: uppercase; }
.footer__links { display: flex; gap: 1.5rem; list-style: none; }
.footer__links a { font-size: 0.78rem; color: rgba(255,255,255,0.35); }
.footer__links a:hover { color: var(--blue-light); }
.footer__copy { font-size: 0.72rem; }

/* Animations */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 768px) {
  .nav__links { display: none; position: fixed; inset: 0; background: var(--white); flex-direction: column; justify-content: center; align-items: center; gap: 2rem; z-index: 999; }
  .nav__links.open { display: flex; }
  .nav__links a { color: var(--ink) !important; font-size: 1.1rem !important; }
  .nav__toggle { display: flex; z-index: 1001; }
  .grid-2, .grid-3, .grid-5 { grid-template-columns: 1fr; }
  .stat-bar__inner { flex-wrap: wrap; gap: 1.5rem; }
  .stat { flex: 0 0 45%; }
  .figures { flex-wrap: wrap; gap: 2rem; }
  .figures > div { flex: 0 0 45%; }
  .contact-grid, .form-row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .footer__inner { flex-direction: column; text-align: center; }
  .process-item { flex-direction: column; gap: 0.3rem; }
  .clients { gap: 1rem; }
}