/* ============================================
   SPS Insights Ltd / SPS Planning — shared stylesheet
   Palette derived from the SPS Insights Ltd logo (blue gradient mark)
   ============================================ */

:root {
  --navy: #0b3c8c;        /* deep brand blue — headings, panels */
  --navy-dark: #062459;    /* darkest blue — hero/footer gradient anchor */
  --navy-mid: #123a7a;    /* mid blue — hero gradient */
  --teal: #135fd8;        /* primary action blue — buttons, links */
  --teal-light: #009cfc;  /* bright accent blue — hover, highlights */
  --gold: #00b4ff;        /* secondary accent — numerals, small highlights */
  --ink: #16233d;
  --grey-700: #62748a;
  --grey-400: #8fa0ad;
  --grey-100: #eef3fa;
  --white: #ffffff;
  --radius: 6px;
  --max-width: 1120px;
  --shadow: 0 8px 24px rgba(11, 60, 140, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--grey-700); }

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-light); }

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

img { max-width: 100%; display: block; }

ul { padding-left: 1.2em; color: var(--grey-700); }
li { margin-bottom: 0.4em; }

/* ---------- Header / Nav ---------- */
header.site-header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid #e4ecf7;
  box-shadow: 0 2px 14px rgba(11, 60, 140, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img.brand-logo {
  height: 42px;
  width: auto;
  display: block;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background 0.15s ease, color 0.15s ease;
}

nav.main-nav a:hover,
nav.main-nav a[aria-current="page"] {
  background: var(--teal);
  color: var(--white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--navy);
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  nav.main-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  nav.main-nav.open { display: block; }
  nav.main-nav ul {
    flex-direction: column;
    gap: 2px;
    padding: 8px 0 16px;
  }
  .nav-wrap { flex-wrap: wrap; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 55%, var(--teal) 130%);
  color: var(--white);
  padding: 84px 0 90px;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 0;
}

.hero .container { position: relative; z-index: 2; max-width: 780px; }

.hero .eyebrow {
  color: var(--teal-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.hero h1 { color: var(--white); }

.hero p.lead {
  color: var(--grey-100);
  font-size: 1.15rem;
  max-width: 620px;
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-light); color: var(--white); }

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

.hero .cta-row { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.alt { background: var(--grey-100); }

.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
}

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--white);
  border: 1px solid #e3e9f4;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 42px;
  height: 42px;
  color: var(--teal);
  margin-bottom: 16px;
}

.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }
.card a {
  display: inline-block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
}
.stats .num {
  font-family: Georgia, serif;
  font-size: 2.2rem;
  color: var(--navy);
  font-weight: 700;
}
.stats .label {
  color: var(--grey-700);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Two-column ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }
}

.panel {
  background: linear-gradient(160deg, var(--navy), var(--navy-dark));
  color: var(--white);
  border-radius: var(--radius);
  padding: 36px;
}
.panel h3 { color: var(--white); }
.panel p { color: var(--grey-100); }

/* ---------- Services list (services.html) ---------- */
.service-block {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  padding: 30px 0;
  border-bottom: 1px solid #e3e9f4;
}
.service-block:last-child { border-bottom: none; }
.service-block .num {
  font-family: Georgia, serif;
  font-size: 1.6rem;
  color: var(--gold);
  font-weight: 700;
}
.service-block h3 { margin-bottom: 8px; }
.service-block ul { margin-top: 10px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.contact-item .icon { width: 24px; height: 24px; color: var(--teal); flex-shrink: 0; margin-top: 3px; }
.contact-item strong { display: block; color: var(--navy); }

form.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  margin-top: 16px;
}
form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #d3dceb;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
}
form.contact-form input:focus,
form.contact-form textarea:focus {
  outline: 2px solid var(--teal-light);
  outline-offset: 1px;
}
form.contact-form button { margin-top: 22px; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy-dark);
  color: var(--grey-400);
  padding: 40px 0 28px;
  font-size: 0.88rem;
}
footer.site-footer .foot-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
}
footer.site-footer a { color: var(--grey-100); }
footer.site-footer a:hover { color: var(--teal-light); }
footer.site-footer .foot-logo {
  color: var(--white);
  font-family: Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
footer.site-footer .foot-logo .tagline-mini {
  display: block;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-top: 3px;
}
footer.site-footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
footer.site-footer .copyright {
  text-align: center;
  color: var(--grey-400);
  font-size: 0.8rem;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }