/* ============================================================
   LEADING SALES — SHARED DESIGN SYSTEM
   Used by every page except index.html and ai-prospecting.html
   (which keep their own inline styles).
   ============================================================ */

/* ---------- Fonts (Helvetica Neue LT Std) ---------- */
@font-face { font-family: "Helvetica Neue LT Std"; src: url("fonts/HelveticaNeueLTStd-Lt.otf") format("opentype");    font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "Helvetica Neue LT Std"; src: url("fonts/HelveticaNeueLTStd-Roman.otf") format("opentype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Helvetica Neue LT Std"; src: url("fonts/HelveticaNeueLTStd-It.otf") format("opentype");    font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Helvetica Neue LT Std"; src: url("fonts/HelveticaNeueLTStd-Md.otf") format("opentype");    font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Helvetica Neue LT Std"; src: url("fonts/HelveticaNeueLTStd-Bd.otf") format("opentype");    font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Helvetica Neue LT Std"; src: url("fonts/HelveticaNeueLTStd-Hv.otf") format("opentype");    font-weight: 900; font-style: normal; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
  --blue:         #1538D4;
  --blue-bright:  #1440E0;
  --blue-deep:    #0E2AA8;
  --blue-ink:     #0A1A6B;
  --white:        #FFFFFF;
  --offwhite:     #EEF1FB;
  --pale-1:       #E5EAFC;
  --pale-2:       #F2F5FE;
  --red:          #E63A2E;
  --green:        #1F8A5B;
  --text:         #0A1A6B;
  --muted:        #4862E0;
  --border:       rgba(21, 56, 212, 0.20);
  --border-strong:#1538D4;

  --on-blue:          rgba(255,255,255,0.92);
  --on-blue-muted:    rgba(255,255,255,0.78);
  --on-blue-dim:      rgba(255,255,255,0.55);
  --on-blue-divider:  rgba(255,255,255,0.25);
  --on-blue-hairline: rgba(255,255,255,0.12);
  --on-blue-fill:     rgba(255,255,255,0.08);

  --font:    "Helvetica Neue LT Std", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max:     1240px;

  --ease:     cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 140ms;
  --dur-base: 220ms;
  --dur-slow: 420ms;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--white);
  color: var(--text);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a   { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.04;
  text-wrap: balance;
}
em { font-style: italic; font-weight: 400; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 40px; }

/* Chevron backgrounds */
.chevron-blue {
  background-color: var(--blue);
  background-image: url('assets/chevron_pattern_blue.png');
  background-size: cover;
  background-position: center;
}
.chevron-pale {
  background-color: var(--offwhite);
  background-image: url('assets/chevron_pattern_pale.png');
  background-size: cover;
  background-position: center;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 14px 40px;
  display: flex; justify-content: space-between; align-items: center;
  background: var(--blue);
  border-bottom: 1px solid rgba(255,255,255,0.18);
  min-height: 64px;
}
.nav-logo img { height: 36px; display: block; }
.nav__links {
  display: flex; gap: 24px; align-items: center;
  font-size: 13px; font-weight: 500;
  color: rgba(255,255,255,0.92);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav__links a { padding: 6px 2px; transition: color var(--dur-fast) var(--ease); }
.nav__links a:not(.nav__cta):hover { color: #fff; }
.nav__links a.is-active { color: #fff; border-bottom: 2px solid #fff; }
.nav__cta {
  background: var(--white); color: var(--blue);
  padding: 11px 22px;
  font-weight: 700; font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 2px solid var(--white);
  border-radius: 0;
  transition: background var(--dur-base) var(--ease), color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.nav__cta:hover { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: 0; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; }
.mobile-menu {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0;
  background: var(--blue-deep);
  padding: 18px;
  z-index: 99;
  flex-direction: column; gap: 4px;
}
.mobile-menu a {
  color: rgba(255,255,255,0.88);
  font-size: 14px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.mobile-menu a.mobile-cta {
  margin-top: 10px;
  background: #fff; color: var(--blue);
  text-align: center;
  border-bottom: 0;
}
.mobile-menu.is-open { display: flex; }

@media (max-width: 1000px) {
  .nav__links a:not(.nav__cta), .nav__cta { display: none; }
  .hamburger { display: flex; }
  .nav { padding: 12px 20px; }
  .nav-logo img { height: 28px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 28px;
  font-family: var(--font);
  font-weight: 700; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    background var(--dur-base) var(--ease),
    color var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease),
    transform var(--dur-fast) var(--ease);
  border: 2px solid transparent;
  border-radius: 0;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn--white       { background: var(--white); color: var(--blue); border-color: var(--white); }
.btn--white:hover { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }
.btn--blue        { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn--blue:hover  { background: var(--blue-deep); border-color: var(--blue-deep); }
.btn--ghost              { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn--ghost:hover        { background: var(--blue); color: #fff; }
.btn--ghost-on-blue       { background: transparent; color: #fff; border-color: rgba(255,255,255,0.85); }
.btn--ghost-on-blue:hover { background: #fff; color: var(--blue); border-color: #fff; }

/* ---------- Section primitives ---------- */
.section { padding: 90px 0; }
.section-label {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--blue);
  margin-bottom: 16px;
  padding: 6px 12px;
  background: rgba(21,56,212,0.08);
  border: 1px solid var(--border);
}
.section-label--on-blue {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.section-h2 {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--blue);
  margin-bottom: 22px;
  max-width: 920px;
}
.section-h2 .accent { font-style: italic; font-weight: 700; color: var(--blue-deep); }
.section-h2--on-blue { color: #fff; }
.section-h2--on-blue .accent { color: rgba(255,255,255,0.78); }
.section-intro {
  font-size: 18px;
  font-weight: 400;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 48px;
  line-height: 1.5;
}
.section-intro--on-blue { color: rgba(255,255,255,0.88); }

/* ---------- Page hero (compact, used on inner pages) ---------- */
.page-hero {
  background-color: var(--blue);
  background-image: url('assets/chevron_pattern_blue.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 140px 0 80px;
  position: relative;
}
.page-hero__inner { position: relative; z-index: 1; }
.micro-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: #fff;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 8px 14px;
  margin-bottom: 28px;
}
.page-hero__h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin-bottom: 26px;
  color: #fff;
  max-width: 18ch;
}
.page-hero__h1 .accent {
  display: block;
  color: rgba(255,255,255,0.78);
  font-weight: 700;
  font-style: italic;
}
.page-hero__sub {
  font-size: 18px;
  font-weight: 400;
  color: rgba(255,255,255,0.88);
  max-width: 620px;
  margin-bottom: 36px;
  line-height: 1.5;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Generic card ---------- */
.ls-card {
  background: #fff;
  padding: 32px;
  border: 2px solid var(--border-strong);
  border-radius: 0px;
}
.ls-card--blue {
  background-color: var(--blue);
  background-image: url('assets/chevron_pattern_blue.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  border-color: var(--blue);
}
.ls-card--pale {
  background-color: var(--offwhite);
}

/* ---------- Footer ---------- */
.foot { background: var(--blue-deep); color: #fff; padding: 56px 0 28px; }
.foot__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 36px;
}
.foot__logo img { height: 36px; margin-bottom: 18px; }
.foot__tag {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7); margin-bottom: 18px; font-weight: 700;
}
.foot__blurb {
  font-size: 13px; color: rgba(255,255,255,0.85);
  line-height: 1.55; max-width: 360px; font-weight: 400;
}
.foot__col h5 {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.7); margin-bottom: 16px;
}
.foot__col a {
  display: block;
  font-size: 13px;
  padding: 4px 0;
  color: rgba(255,255,255,0.92);
  font-weight: 400;
  transition: color var(--dur-base) var(--ease);
}
.foot__col a:hover { color: #fff; }
.foot__bottom {
  border-top: 1px solid rgba(255,255,255,0.25);
  padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: rgba(255,255,255,0.7);
}
@media (max-width: 800px) {
  .foot__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .foot__inner { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive helpers ---------- */
@media (max-width: 800px) {
  .container { padding: 0 24px; }
  .section { padding: 64px 0; }
  .page-hero { padding: 120px 0 60px; }
}