/* --------------------------------------------------
   Concetti Systems – site.css
   -------------------------------------------------- */

:root {

  /* colors */

  --color-slate-900: #1f2a37;
  --color-slate-700: #3b556e;

  --color-text: #1f2a37;
  --color-text-soft: #526170;

  --color-white: #ffffff;
  --color-mist: #f8fafc;
  --color-soft: #eef3f7;

  --color-accent: #d97706;

  --border-soft: #d7e0e8;

  /* layout */

  --container: 1120px;
  --container-narrow: 760px;

  --radius-card: 18px;
  --radius-button: 12px;

  --shadow-soft: 0 8px 24px rgba(31, 42, 55, 0.06);

  --font-base: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

}

/* --------------------------------------------------
   base
   -------------------------------------------------- */

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

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  font-size: 18px;
  line-height: 1.7;
}

img {
  max-width: 100%;
}

a {
  color: var(--color-slate-900);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------
   layout containers
   -------------------------------------------------- */

.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(100% - 48px, var(--container-narrow));
  margin: 0 auto;
}

.center {
  text-align: center;
}

/* --------------------------------------------------
   sections
   -------------------------------------------------- */

.section {
  padding: 80px 0;
}

.alt-bg {
  background: var(--color-soft);
}

.trust-strip {
  background: var(--color-mist);
  padding: 16px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.trust-items {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-text-soft);
  gap: 12px;
}

/* --------------------------------------------------
   typography
   -------------------------------------------------- */

h1, h2, h3, h4 {
  margin-top: 0;
  line-height: 1.2;
  color: var(--color-slate-900);
}

h1 {
  font-size: 42px;
  font-weight: 800;
}

h2 {
  font-size: 30px;
  font-weight: 700;
}

h3 {
  font-size: 22px;
  font-weight: 700;
}

p {
  margin-top: 0;
  margin-bottom: 1.2em;
}

.lead {
  font-size: 20px;
  color: var(--color-text-soft);
  max-width: 60ch;
}

.lead-small {
  font-size: 18px;
  color: var(--color-text-soft);
}

.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-slate-700);
  margin-bottom: 10px;
}

/* --------------------------------------------------
   hero
   -------------------------------------------------- */

.hero {
  padding: 96px 0 80px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-actions {
  margin-top: 28px;
}

/* layered diagram */

.layer-diagram {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.layer-card {
  padding: 14px 18px;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-soft);
  background: var(--color-white);
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

/* --------------------------------------------------
   buttons
   -------------------------------------------------- */

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: var(--radius-button);
  font-weight: 600;
  margin-right: 12px;
}

.button-primary {
  background: var(--color-accent);
  color: #fff;
}

.button-primary:hover {
  opacity: 0.92;
  text-decoration: none;
}

.button-secondary {
  border: 1px solid var(--border-soft);
  background: #fff;
}

.button-secondary:hover {
  background: var(--color-mist);
  text-decoration: none;
}

/* --------------------------------------------------
   grids
   -------------------------------------------------- */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* --------------------------------------------------
   cards
   -------------------------------------------------- */

.service-card,
.step-card,
.info-card,
.authority-item {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.authority-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --------------------------------------------------
   process numbers
   -------------------------------------------------- */

.step-number {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-accent);
  margin-bottom: 10px;
}

/* --------------------------------------------------
   inline meta
   -------------------------------------------------- */

.inline-meta {
  font-size: 14px;
  color: var(--color-text-soft);
}

.inline-meta span {
  display: block;
}

/* --------------------------------------------------
   case insight
   -------------------------------------------------- */

.case-blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 20px;
  font-style: italic;
  color: var(--color-text-soft);
}

/* --------------------------------------------------
   FAQ
   -------------------------------------------------- */

.faq-item {
  margin-bottom: 28px;
}

.faq-item h3 {
  font-size: 18px;
}

/* --------------------------------------------------
   header + footer basics
   -------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--border-soft);
  background: #fff;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav a {
  font-weight: 500;
}

.site-footer {
  margin-top: 80px;
  padding: 40px 0;
  border-top: 1px solid var(--border-soft);
  color: var(--color-text-soft);
  font-size: 14px;
}

/* --------------------------------------------------
   responsive
   -------------------------------------------------- */

@media (max-width: 900px) {

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 26px;
  }

  body {
    font-size: 17px;
  }

  .hero-grid,
  .two-col,
  .card-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 72px 0 60px 0;
  }

  .section {
    padding: 64px 0;
  }

  .trust-items {
    flex-direction: column;
    text-align: center;
  }

}