/* ==========================================================================
   Local Systems — landing page styles
   Warm paper background, deep ink text, muted teal/green accent,
   clay/copper secondary accent. Grounded sans-serif, mono for small labels.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ls-bg: #f4efe6;
  --ls-surface: #fffaf2;
  --ls-ink: #172026;
  --ls-muted: #66716f;
  --ls-border: #d8cec0;
  --ls-accent: #2f7d6d;
  --ls-accent-soft: #bfd6c8;
  --ls-accent-2: #c47a3c;
  --ls-dark-bg: #101715;
  --ls-dark-surface: #17201e;

  --ls-radius-sm: 8px;
  --ls-radius-md: 14px;
  --ls-radius-lg: 22px;

  --ls-shadow-sm: 0 1px 0 rgba(23, 32, 38, 0.04), 0 2px 6px rgba(23, 32, 38, 0.04);
  --ls-shadow-md: 0 1px 0 rgba(23, 32, 38, 0.05), 0 6px 24px rgba(23, 32, 38, 0.07);

  --ls-font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ls-font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ls-container: 1120px;
  --ls-gutter: clamp(20px, 4vw, 40px);
}

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--ls-bg);
  color: var(--ls-ink);
  font-family: var(--ls-font-sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(23, 32, 38, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
}

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

a { color: var(--ls-accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 { color: var(--ls-ink); margin: 0; line-height: 1.15; letter-spacing: -0.01em; }
p { margin: 0; }

/* ---------- Layout helpers ---------- */
.ls-container {
  width: 100%;
  max-width: var(--ls-container);
  margin: 0 auto;
  padding-left: var(--ls-gutter);
  padding-right: var(--ls-gutter);
}

.ls-section {
  padding-top: clamp(64px, 8vw, 112px);
  padding-bottom: clamp(64px, 8vw, 112px);
}

.ls-section--surface {
  background: var(--ls-surface);
  border-top: 1px solid var(--ls-border);
  border-bottom: 1px solid var(--ls-border);
}

.ls-section__head {
  max-width: 720px;
  margin-bottom: clamp(28px, 3vw, 44px);
}

.ls-section__sub {
  margin-top: 12px;
  color: var(--ls-muted);
  font-size: 1.05rem;
}

.ls-h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
}

.ls-label {
  font-family: var(--ls-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ls-accent);
  margin: 0 0 12px;
}

.ls-eyebrow {
  font-family: var(--ls-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--ls-muted);
  margin-bottom: 18px;
}

.ls-tag {
  display: inline-block;
  font-family: var(--ls-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ls-accent-2);
  background: rgba(196, 122, 60, 0.08);
  padding: 4px 8px;
  border-radius: 999px;
  margin: 0 0 12px;
}

.ls-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ls-ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  z-index: 100;
}
.ls-skip-link:focus { left: 12px; top: 12px; }

/* ---------- Buttons ---------- */
.ls-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.05s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  text-decoration: none !important;
  cursor: pointer;
}

.ls-btn--primary {
  background: var(--ls-ink);
  color: var(--ls-surface);
  border-color: var(--ls-ink);
}
.ls-btn--primary:hover { background: #0d1417; }
.ls-btn--primary:active { transform: translateY(1px); }

.ls-btn--ghost {
  background: transparent;
  color: var(--ls-ink);
  border-color: var(--ls-border);
}
.ls-btn--ghost:hover { border-color: var(--ls-ink); }

/* ---------- Nav ---------- */
.ls-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 239, 230, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--ls-border);
}
.ls-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.ls-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ls-ink);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.ls-brand:hover { text-decoration: none; }
.ls-brand__name { font-size: 1.05rem; }
.ls-mark { width: 28px; height: 28px; display: block; }

.ls-nav__links {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 22px);
}
.ls-nav__links a {
  color: var(--ls-ink);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 4px;
}
.ls-nav__links a:hover { color: var(--ls-accent); text-decoration: none; }
.ls-nav__cta {
  background: var(--ls-ink);
  color: var(--ls-surface) !important;
  padding: 8px 14px !important;
  border-radius: 999px;
}
.ls-nav__cta:hover { background: #0d1417; }

@media (max-width: 640px) {
  .ls-nav__links a:not(.ls-nav__cta) { display: none; }
}

/* ---------- Hero ---------- */
.ls-hero {
  position: relative;
  padding-top: clamp(56px, 9vw, 96px);
  padding-bottom: clamp(56px, 9vw, 96px);
  overflow: hidden;
}

.ls-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(47, 125, 109, 0.10), transparent 70%),
    radial-gradient(40% 40% at 0% 100%, rgba(196, 122, 60, 0.08), transparent 70%);
}

.ls-hero__inner { position: relative; }

.ls-hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin-bottom: 18px;
}

.ls-hero__sub {
  max-width: 60ch;
  font-size: clamp(1.05rem, 1.6vw, 1.18rem);
  color: var(--ls-muted);
  margin-bottom: 28px;
}

.ls-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.ls-hero__logo {
  margin-top: 24px;
  max-width: 520px;
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
  background: var(--ls-surface);
  padding: 18px 22px;
  box-shadow: var(--ls-shadow-sm);
}
.ls-hero__logo img { width: 100%; height: auto; }

/* ---------- Core line section ---------- */
.ls-core__quote {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  font-weight: 600;
  max-width: 28ch;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.ls-core__quote::before {
  content: "“";
  color: var(--ls-accent-2);
  margin-right: 4px;
  font-family: Georgia, serif;
}
.ls-core__quote::after {
  content: "”";
  color: var(--ls-accent-2);
  margin-left: 2px;
  font-family: Georgia, serif;
}
.ls-core__body {
  max-width: 64ch;
  color: var(--ls-muted);
  font-size: 1.05rem;
}

/* ---------- Cards (shared) ---------- */
.ls-card {
  background: var(--ls-surface);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
  padding: 22px;
  box-shadow: var(--ls-shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.ls-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ls-shadow-md);
  border-color: #c8bdac;
}
.ls-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.ls-card__body {
  color: var(--ls-muted);
  font-size: 1rem;
}

/* ---------- Pillars ---------- */
.ls-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.ls-pillar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 220px;
}
.ls-pillar__art {
  margin-top: auto;
  width: 100%;
  height: 60px;
}
@media (max-width: 820px) {
  .ls-pillars { grid-template-columns: 1fr; }
  .ls-pillar { min-height: 0; }
}

/* ---------- Services grid ---------- */
.ls-services {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ls-service__title {
  font-size: 1.06rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.ls-service__body {
  color: var(--ls-muted);
  font-size: 0.98rem;
}
@media (max-width: 960px) { .ls-services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .ls-services { grid-template-columns: 1fr; } }

/* Examples + pilot line (compact, services section) */
.ls-examples {
  margin-top: clamp(36px, 4vw, 48px);
  padding: clamp(18px, 2.5vw, 24px) clamp(20px, 2.5vw, 28px);
  background: var(--ls-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
  box-shadow: var(--ls-shadow-sm);
}
.ls-examples__title {
  font-family: var(--ls-font-sans);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ls-ink);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.ls-examples__sub-title {
  max-width: 760px;
  margin: 0 0 clamp(16px, 2vw, 20px);
  color: var(--ls-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}
.ls-examples__list {
  margin: 0;
  padding: 0 0 0 1.25em;
  columns: 2;
  column-gap: clamp(28px, 5vw, 56px);
  font-size: 0.93rem;
  color: var(--ls-muted);
  line-height: 1.5;
}
.ls-examples__list li {
  break-inside: avoid;
  margin-bottom: 8px;
}
.ls-footnote-link {
  color: var(--ls-accent);
  font-weight: 700;
  text-decoration: none;
}

.ls-footnote-link:hover,
.ls-footnote-link:focus {
  color: var(--ls-accent-2);
  text-decoration: underline;
}

.ls-examples__footnote {
  margin: clamp(12px, 2vw, 16px) 0 0;
  padding-top: clamp(10px, 1.5vw, 14px);
  border-top: 1px solid var(--ls-border);
  color: var(--ls-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.ls-examples__footnote sup {
  color: var(--ls-accent);
  font-weight: 700;
}
@media (max-width: 600px) {
  .ls-examples__list { columns: 1; }
}

.ls-proof {
  margin-top: clamp(24px, 3vw, 32px);
  font-family: var(--ls-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ls-muted);
  text-transform: uppercase;
}

/* ---------- ShopperTrail flagship ---------- */
.ls-flagship__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.ls-flagship {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.ls-flagship__lede {
  font-size: 1.15rem;
  font-weight: 500;
  margin: 14px 0 12px;
  max-width: 50ch;
}
.ls-flagship__body {
  color: var(--ls-muted);
  margin-bottom: 22px;
  max-width: 56ch;
}
.ls-flagship__media {
  margin: 0;
}
@media (max-width: 880px) {
  .ls-flagship { grid-template-columns: 1fr; }
}

/* ---------- Steps ---------- */
.ls-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}
.ls-step {
  background: var(--ls-surface);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
  padding: 22px;
  position: relative;
}
.ls-step__num {
  display: inline-block;
  font-family: var(--ls-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--ls-accent);
  margin-bottom: 10px;
}
.ls-step__title {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.ls-step__body {
  color: var(--ls-muted);
  font-size: 0.96rem;
}
@media (max-width: 960px) { .ls-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .ls-steps { grid-template-columns: 1fr; } }

/* ---------- About ---------- */
.ls-about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.ls-about__media { margin: 0; }
.ls-about__body {
  font-size: 1.06rem;
  margin-bottom: 14px;
  max-width: 60ch;
}
.ls-about__body--muted { color: var(--ls-muted); }
@media (max-width: 880px) {
  .ls-about { grid-template-columns: 1fr; }
}

/* ---------- Image placeholders ---------- */
.ls-placeholder {
  position: relative;
  background: var(--ls-surface);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: var(--ls-shadow-sm);
}
.ls-placeholder--portrait { aspect-ratio: 5 / 6; max-width: 320px; }
.ls-placeholder svg { width: 100%; height: 100%; display: block; }
.ls-placeholder::after {
  content: attr(data-label);
  position: absolute;
  left: 12px;
  bottom: 10px;
  font-family: var(--ls-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ls-muted);
  background: rgba(255, 250, 242, 0.85);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--ls-border);
}

/* ---------- Contact CTA ---------- */
.ls-cta__card {
  background: var(--ls-dark-bg);
  color: #f4efe6;
  border-radius: var(--ls-radius-lg);
  padding: clamp(28px, 5vw, 56px);
  text-align: left;
  position: relative;
  overflow: hidden;
  border: 1px solid #1c2622;
  background-image:
    radial-gradient(60% 60% at 100% 0%, rgba(47, 125, 109, 0.22), transparent 60%),
    radial-gradient(40% 60% at 0% 100%, rgba(196, 122, 60, 0.18), transparent 60%);
}
.ls-cta__card .ls-h2 { color: #f4efe6; max-width: 22ch; }
.ls-cta__card .ls-label { color: var(--ls-accent-soft); }
.ls-cta__body {
  color: #cbd2cf;
  margin: 12px 0 22px;
  max-width: 56ch;
}
.ls-cta__card .ls-btn--primary {
  background: var(--ls-accent-2);
  color: #fff;
  border-color: var(--ls-accent-2);
}
.ls-cta__card .ls-btn--primary:hover { background: #b56b30; border-color: #b56b30; }

/* ---------- Footer ---------- */
.ls-footer {
  background: var(--ls-surface);
  border-top: 1px solid var(--ls-border);
  padding: 32px 0;
  margin-top: 0;
}
.ls-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.ls-footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.ls-footer__line {
  font-weight: 600;
  font-size: 0.98rem;
}
.ls-footer__sub {
  color: var(--ls-muted);
  font-size: 0.9rem;
  margin-top: 2px;
}
.ls-footer__meta {
  font-family: var(--ls-font-mono);
  font-size: 0.82rem;
  color: var(--ls-muted);
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.ls-footer__meta a { color: var(--ls-muted); }
.ls-footer__meta a:hover { color: var(--ls-ink); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}