:root {
  --color-primary: #033f63;
  --color-accent: #20a4a6;
  --color-text: #0a1a24;
  --color-background: #f4f8fb;
  --color-white: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.5;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5em;
}

a { color: var(--color-accent); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em 0; }

.brand {
  font-weight: 800;
  font-size: 1.4em;
  color: var(--color-primary);
  text-decoration: none;
}
.brand span { color: var(--color-accent); }

/* header */
#site-header {
  position: sticky; top: 0; z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(10, 26, 36, .08);
}
#site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 4.5em;
}
#main-nav { display: flex; gap: 2em; }
#main-nav a {
  color: var(--color-text); text-decoration: none; font-size: .95em; font-weight: 600;
}
#main-nav a:hover { color: var(--color-accent); }
#nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: .3em;
  width: 2.2em; height: 2.2em; padding: 0; border: none; background: none; cursor: pointer;
}
#nav-toggle span { display: block; height: 2px; background-color: var(--color-primary); border-radius: 1px; }

/* hero */
#hero { padding: 5em 0 4em 0; background-color: var(--color-background); }
#hero h1 { font-size: 2.4em; color: var(--color-primary); max-width: 16em; }
#hero .lead { font-size: 1.15em; max-width: 38em; color: rgba(10, 26, 36, .8); }
.hero-actions { display: flex; gap: 1em; margin-top: 2em; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: .8em 1.6em; border-radius: 6px; font-weight: 700;
  text-decoration: none; transition: opacity .15s ease;
}
.btn:hover { opacity: .85; }
.btn-primary { background-color: var(--color-primary); color: var(--color-white); }
.btn-ghost { background-color: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }

/* promesse strip */
#promesse { padding: 3.5em 0; border-bottom: 1px solid rgba(10, 26, 36, .08); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2em; }
.promesse-item h3 { font-size: 1.05em; color: var(--color-primary); }
.promesse-item p { font-size: .92em; color: rgba(10, 26, 36, .75); margin: 0; }
.promesse-icon {
  width: 2.5em; height: 2.5em; border-radius: 8px; margin-bottom: .75em;
  display: flex; align-items: center; justify-content: center;
  background-color: var(--color-background); color: var(--color-accent);
}
.promesse-icon svg { width: 1.4em; height: 1.4em; }

/* generic sections */
main section { padding: 5em 0; }
main section:nth-of-type(even) { background-color: var(--color-background); }
.section-head { max-width: 42em; margin: 0 auto 2.5em auto; text-align: center; }
.eyebrow {
  display: inline-block; font-size: .8em; font-weight: 800; letter-spacing: .05em;
  text-transform: uppercase; color: var(--color-accent); margin-bottom: .5em;
}
.section-head h2 { font-size: 1.8em; color: var(--color-primary); }
.section-head p { color: rgba(10, 26, 36, .75); }

.feature-grid, .trust-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5em;
}
.feature-card, .trust-item {
  background-color: var(--color-white); border-radius: 10px; padding: 1.75em;
  border: 1px solid rgba(10, 26, 36, .08);
}
main section:nth-of-type(even) .feature-card,
main section:nth-of-type(even) .trust-item {
  background-color: var(--color-white);
}
.feature-card h3, .trust-item h3 { color: var(--color-primary); font-size: 1.1em; }
.feature-card p, .trust-item p { color: rgba(10, 26, 36, .75); margin: 0; font-size: .95em; }
.check-list { list-style: none; margin: 0; padding: 0; font-size: .95em; color: rgba(10, 26, 36, .75); }
.check-list li { position: relative; padding-left: 1.4em; margin-bottom: .5em; }
.check-list li:last-child { margin-bottom: 0; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--color-accent); font-weight: 800;
}
.feature-note {
  max-width: 42em; margin: 2em auto 0 auto; text-align: center;
  font-size: .95em; color: rgba(10, 26, 36, .65); font-style: italic;
}

#sur-mesure .section-head { margin-bottom: 0; }

/* footer */
#site-footer { padding: 3em 0; background-color: var(--color-primary); color: var(--color-white); }
#site-footer .brand { color: var(--color-white); }
#site-footer .brand span { color: var(--color-accent); }
#site-footer p { margin: .5em 0 0 0; color: rgba(255, 255, 255, .7); font-size: .9em; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .trust-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  #main-nav {
    position: absolute; top: 4.5em; left: 0; right: 0; flex-direction: column; gap: 0;
    background-color: var(--color-white); border-bottom: 1px solid rgba(10, 26, 36, .08);
    display: none;
  }
  #main-nav.open { display: flex; }
  #main-nav a { padding: 1em 1.5em; border-top: 1px solid rgba(10, 26, 36, .06); }
  #nav-toggle { display: flex; }
  #hero h1 { font-size: 1.8em; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}