/* ===========================================================
   Altacentric, LLC — site styles
   Self-contained. No external dependencies.
   Brand: #2c5aa0
   =========================================================== */

:root {
  --brand: #2c5aa0;
  --brand-dark: #1e3f73;
  --brand-darker: #142c53;
  --brand-tint: #eef3fa;
  --accent: #e8a13a;          /* warm accent, used sparingly */
  --ink: #16202e;             /* headings / near-black */
  --body: #384657;            /* body text */
  --slate: #5c6b7c;           /* muted text */
  --line: #e3e9f0;            /* hairlines / borders */
  --bg: #ffffff;
  --bg-soft: #f5f8fc;         /* soft section bg */
  --bg-navy: #142c53;         /* dark section bg */
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(20,44,83,.06), 0 2px 8px rgba(20,44,83,.05);
  --shadow-md: 0 6px 24px rgba(20,44,83,.10);
  --shadow-lg: 0 18px 48px rgba(20,44,83,.14);
  --maxw: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.18; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1.1em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--slate); }
strong { color: var(--ink); }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }
.section-navy { background: var(--bg-navy); color: #d8e2f2; }
.section-navy h1, .section-navy h2, .section-navy h3 { color: #fff; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
}
.section-navy .eyebrow { color: #7ea6dd; }
.center { text-align: center; }
.measure { max-width: 640px; }
.center .measure { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 15px 26px; border-radius: 999px; cursor: pointer;
  border: 1.5px solid transparent; transition: all .18s ease; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 4px 14px rgba(44,90,160,.30); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 22px rgba(44,90,160,.34); }
.btn-ghost { background: transparent; color: var(--brand); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-dark); background: var(--brand-tint); }
.btn-light { background: #fff; color: var(--brand-dark); }
.btn-light:hover { background: #f0f5fc; color: var(--brand-darker); transform: translateY(-1px); }
.btn-lg { padding: 17px 32px; font-size: 1.05rem; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.24rem; color: var(--ink); letter-spacing: -0.02em; }
.brand:hover { color: var(--ink); }
.brand .mark { width: 30px; height: 30px; flex: 0 0 auto; color: var(--brand); }
.brand .brand-name { color: var(--brand); text-transform: uppercase; letter-spacing: .05em; font-weight: 800; font-size: 1.1rem; }
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--body); font-weight: 500; font-size: .98rem; }
.nav-links a:hover, .nav-links a.active { color: var(--brand); }
.nav-cta { margin-left: 6px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 82% -10%, rgba(44,90,160,.10), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(44,90,160,.06), transparent 55%),
    var(--bg);
  padding: 92px 0 84px;
}
.hero h1 { max-width: 16ch; }
.hero .lead { max-width: 54ch; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-note { margin-top: 22px; font-size: .92rem; color: var(--slate); }
.hero-note b { color: var(--ink); }

/* ---------- grids / cards ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card h3 { margin-bottom: .4em; }
.card p { margin-bottom: 0; color: var(--slate); font-size: .98rem; }
.card .ico {
  width: 46px; height: 46px; border-radius: 11px; margin-bottom: 18px;
  display: grid; place-items: center; background: var(--brand-tint); color: var(--brand);
}
.card .ico svg { width: 24px; height: 24px; }

/* feature list with checks */
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--body); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--brand-tint);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232c5aa0' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* stat row */
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.stat .num { font-size: clamp(2rem, 4vw, 2.7rem); font-weight: 800; color: var(--brand); letter-spacing: -.02em; line-height: 1; }
.stat .lbl { color: var(--slate); font-size: .96rem; margin-top: 8px; }
.section-navy .stat .num { color: #7fb0ee; }
.section-navy .stat .lbl { color: #b9c8de; }

/* split (text + panel) */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.panel {
  background: linear-gradient(160deg, var(--brand-dark), var(--brand-darker));
  color: #eaf1fb; border-radius: 18px; padding: 36px 34px; box-shadow: var(--shadow-lg);
}
.panel h3 { color: #fff; }
.panel .checks li { color: #d6e2f3; }
.panel .checks li::before { background-color: rgba(255,255,255,.14); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(140deg, var(--brand), var(--brand-darker));
  color: #fff; border-radius: 20px; padding: 52px 44px; box-shadow: var(--shadow-lg);
  text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: .35em; }
.cta-band p { color: #dbe6f6; max-width: 52ch; margin: 0 auto 26px; }

/* ---------- page hero (interior) ---------- */
.page-hero { background: var(--brand-tint); padding: 60px 0 54px; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin-bottom: .3em; }
.page-hero .lead { max-width: 60ch; margin-bottom: 0; }

/* ---------- steps (process) ---------- */
.steps { counter-reset: step; display: grid; gap: 22px; }
.step { display: grid; grid-template-columns: 46px 1fr; gap: 18px; align-items: start; }
.step .n {
  counter-increment: step; width: 46px; height: 46px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 700; display: grid; place-items: center;
}
.step .n::before { content: counter(step); }
.step h3 { margin-bottom: .25em; }
.step p { margin: 0; color: var(--slate); }

/* ---------- forms ---------- */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; color: var(--ink); }
.field input, .field textarea, .field select {
  font: inherit; color: var(--ink); padding: 13px 15px; border: 1.5px solid var(--line);
  border-radius: var(--radius-sm); background: #fff; width: 100%; transition: border-color .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-tint); }
.field textarea { min-height: 130px; resize: vertical; }

/* ---------- footer ---------- */
.site-footer { background: #0f2447; color: #a9bcd8; padding: 56px 0 30px; }
.site-footer a { color: #cdddf3; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand .brand .mark { color: #fff; }
.footer-brand .brand .brand-name { color: #fff; }
.footer-brand p { color: #93a7c6; max-width: 34ch; font-size: .95rem; }
.footer-col h4 { color: #fff; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: .96rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .88rem; color: #8298b7; }

/* ---------- utilities ---------- */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.section-head { margin-bottom: 46px; }
.tag { display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--brand); background:var(--brand-tint); padding:5px 12px; border-radius:999px; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .section { padding: 60px 0; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0 24px; }
  .nav-links a { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav-links .nav-cta { padding: 14px 24px; }
  .nav-links .nav-cta .btn { width: 100%; justify-content: center; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4, .stats { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 26px; }
  .hero { padding: 66px 0 58px; }
}

/* ---------- social icons (footer) ---------- */
.social { display: flex; gap: 10px; margin-top: 18px; }
.social a { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.09); color: #cdddf3; transition: transform .18s ease, background .18s ease, color .18s ease; }
.social a:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
.social svg { width: 18px; height: 18px; }