/* Invansys — single shared stylesheet. No framework, no build step. */

:root {
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --surface: #ffffff;
  --text: #0f1b2d;
  --muted: #55627a;
  --border: #e2e7ef;
  --brand: #5046e5;
  --brand-ink: #ffffff;
  --accent: #0ea5a4;
  --hero-from: #1e1b4b;
  --hero-to: #4338ca;
  --hero-text: #ffffff;
  --hero-muted: #d4d2fb;
  --shadow: 0 1px 2px rgba(15, 27, 45, .06), 0 8px 24px rgba(15, 27, 45, .06);
  --radius: 14px;
  --max: 1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220;
    --bg-alt: #0f1829;
    --surface: #131e33;
    --text: #e6ebf4;
    --muted: #9aa8c0;
    --border: #22304a;
    --brand: #8b85ff;
    --brand-ink: #0b1220;
    --accent: #2dd4bf;
    --hero-from: #12102e;
    --hero-to: #2b2680;
    --hero-text: #ffffff;
    --hero-muted: #b9b6ee;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); }
a:hover { text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--text); text-decoration: none; letter-spacing: -.02em; }
.logo svg { width: 30px; height: 30px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; color: var(--text); font: inherit; cursor: pointer; }
.menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.menu > li { position: relative; }
.menu a, .menu .label {
  display: block; padding: 8px 12px; border-radius: 8px;
  color: var(--text); text-decoration: none; font-weight: 550; font-size: .95rem;
}
.menu a:hover, .menu .has-sub:hover > .label { background: var(--bg-alt); }
.menu .label { cursor: default; }
.menu .label::after { content: " ▾"; font-size: .7em; color: var(--muted); }
.sub {
  position: absolute; top: 100%; left: 0; min-width: 210px;
  list-style: none; margin: 0; padding: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(4px); transition: .15s ease;
}
.has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.menu .cta { background: var(--brand); color: var(--brand-ink); margin-left: 6px; }
.menu .cta:hover { background: var(--brand); filter: brightness(1.1); }

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .menu {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 20px 16px;
  }
  .menu.open { display: flex; }
  .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 12px; background: none; }
  .menu .label::after { content: ""; }
  .menu .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; padding-top: 14px; }
  .menu .cta { margin: 10px 0 0; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--hero-from), var(--hero-to));
  color: var(--hero-text);
  padding: 96px 0 104px;
}
.hero.small { padding: 72px 0 64px; }
.hero p.lead { color: var(--hero-muted); font-size: 1.2rem; max-width: 640px; }
.hero .eyebrow { color: var(--accent); }
.hero-art { position: absolute; right: -60px; top: 50%; transform: translateY(-50%); width: 560px; max-width: 60%; opacity: .5; pointer-events: none; }
.hero .container { position: relative; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 650; text-decoration: none;
  background: var(--accent); color: #04211f; border: 1px solid transparent;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--hero-text); border-color: rgba(255, 255, 255, .35); }
.btn.ghost:hover { background: rgba(255, 255, 255, .08); }

@media (max-width: 820px) { .hero-art { opacity: .18; max-width: none; width: 420px; right: -160px; } }

/* ---------- Sections ---------- */
section { padding: 88px 0; }
section.alt { background: var(--bg-alt); }
.eyebrow { display: block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: 10px; }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .g3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3 { grid-template-columns: 1fr; } section { padding: 64px 0; } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card p { color: var(--muted); }
.card .more { margin-top: auto; font-weight: 650; text-decoration: none; }
.card .more::after { content: " →"; }
a.card { text-decoration: none; color: inherit; transition: transform .15s ease, border-color .15s ease; }
a.card:hover { transform: translateY(-2px); border-color: var(--brand); }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; color: var(--brand); background: color-mix(in srgb, var(--brand) 12%, transparent); padding: 3px 9px; border-radius: 99px; margin-bottom: 12px; align-self: flex-start; }

.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent);
}
.icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

ul.check { list-style: none; padding: 0; margin: 0; }
ul.check li { position: relative; padding-left: 26px; margin-bottom: 8px; color: var(--muted); }
ul.check li::before {
  content: ""; position: absolute; left: 2px; top: .55em; width: 12px; height: 7px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}

.prose { max-width: 760px; font-size: 1.08rem; }
.prose p { color: var(--muted); }

/* ---------- Testimonials ---------- */
.quote { position: relative; }
.quote blockquote { margin: 0 0 18px; font-size: 1.02rem; color: var(--text); }
.quote blockquote::before { content: "“"; display: block; font-size: 3rem; line-height: .8; color: var(--accent); font-family: Georgia, serif; }
.who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: var(--brand-ink); font-weight: 750; font-size: .9rem; flex: none; }
.who strong { display: block; }
.who span { color: var(--muted); font-size: .9rem; }

/* ---------- Pricing tiers (product pages) ---------- */
.tier h3 { font-size: 1.3rem; }
.tier .sub-t { color: var(--muted); margin-top: -6px; }

/* ---------- Contact ---------- */
.contact { background: linear-gradient(135deg, var(--hero-from), var(--hero-to)); color: var(--hero-text); }
.contact .section-head p { color: var(--hero-muted); }
.contact .card { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); box-shadow: none; color: var(--hero-text); }
.contact .card p { color: var(--hero-muted); }
.contact .card a { color: var(--hero-text); font-weight: 650; }
.contact .icon { background: rgba(255, 255, 255, .1); color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: .92rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }

/* ---------- Imagery ---------- */
.hero-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-photo { border-radius: 18px; overflow: hidden; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); aspect-ratio: 4 / 3; }
.hero-photo img, .photo img, .card-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 900px) { .hero-split { grid-template-columns: 1fr; gap: 36px; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.rev .photo { order: 2; }
.photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4 / 3; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } .split.rev .photo { order: 0; } }

.card.has-photo { padding: 0; overflow: hidden; }
.card-photo { aspect-ratio: 16 / 9; background: var(--bg-alt); }
.card-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }

/* Client strip: names set as text, no third-party logos */
.clients { border-bottom: 1px solid var(--border); padding: 30px 0; }
.clients p { text-align: center; color: var(--muted); font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
.client-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 40px; }
.client-row span { font-weight: 750; font-size: 1.1rem; color: var(--muted); letter-spacing: -.01em; opacity: .85; }

/* Stats / proof points */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 28px; }
.stats div { border-left: 3px solid var(--accent); padding-left: 14px; }
.stats strong { display: block; font-size: 1.05rem; color: var(--text); }
.stats span { color: var(--muted); font-size: .95rem; }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }

/* Process steps */
.steps { counter-reset: step; }
.steps .card h3::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; font-size: .85rem; color: var(--accent); margin-bottom: 8px; letter-spacing: .08em; }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g4 { grid-template-columns: 1fr; } }


/* ---------- Logo (brand wordmark PNG; white version swapped in for dark mode) ---------- */
.logo img { height: 34px; width: auto; display: block; }