/* ========== Base ========== */
:root {
  --bg: #ffffff;
  --text: #0a2540;
  --muted: #e9eef5;
  --card: #f6f8fb;
  --primary: #0a66ff;
  --accent: #00b894;
  --border: #dbe4f0;
  --shadow: 0 10px 30px rgba(10, 37, 64, .07);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --text: #e6edf6;
    --muted: #15223a;
    --card: #0f1a2f;
    --primary: #79a6ff;
    --accent: #23d7b1;
    --border: #223152;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; }
h1 { font-size: clamp(2rem, 2.6vw + 1.2rem, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 2vw + .8rem, 2rem); }
h3 { font-size: clamp(1.1rem, 1.2vw + .7rem, 1.35rem); }
p { margin: 0 0 1rem; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.section { padding: 4rem 0; }
.section.alt { background: var(--card); }
.section-intro { color: #61708a; }

/* Accessibility */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { position: static; width: auto; height: auto; }

.sr-only {
  border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0; z-index: 50;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(11,18,32,.6); }
}

.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding: .6rem 0;
}

.brand { display: flex; align-items: center; gap: .8rem; }
.logo-img {
  width: 44px; height: 44px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--border); background: var(--bg);
}
.brand-text { display: grid; }
.company { font-weight: 700; }
.tagline { font-size: .85rem; color: #61708a; }

.site-nav ul { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.site-nav a { padding: .5rem .75rem; border-radius: 8px; }
.site-nav a:hover { background: var(--muted); text-decoration: none; }

.nav-toggle { display: none; font-size: 1.4rem; border: 1px solid var(--border); background: transparent; padding: .3rem .5rem; border-radius: 8px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; right: 5%; top: 64px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: .5rem; }
}

/* Hero */
.hero {
  padding: 5rem 0 3.5rem;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 2rem;
  align-items: center;
}
.hero-visual svg { width: 100%; height: auto; }
.hero-points { margin: 1rem 0 0; padding-left: 1rem; }
.hero-points li { margin: .25rem 0; }

.cta-group { display: flex; gap: .75rem; margin-top: 1rem; flex-wrap: wrap; }

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* Buttons */
.btn {
  border: 1px solid var(--border);
  background: var(--muted);
  color: var(--text);
  padding: .75rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  display: inline-block;
}
.btn:hover { filter: brightness(0.97); text-decoration: none; }
.btn-primary {
  background: var(--primary); border-color: var(--primary); color: #fff;
}
.btn-ghost {
  background: transparent;
}
.small { font-size: .9rem; }

/* Cards */
.cards { display: grid; gap: 1rem; margin-top: 1.2rem; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards.three { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: .4rem; }
.card .checklist { margin: .8rem 0 0; padding-left: 1.2rem; }

@media (max-width: 980px) {
  .cards.two { grid-template-columns: 1fr; }
  .cards.three { grid-template-columns: 1fr; }
}

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0 0; }
.chips span {
  border: 1px dashed var(--border); border-radius: 999px; padding: .25rem .6rem; font-size: .9rem; background: var(--muted);
}

/* Steps */
.steps { display: grid; gap: .6rem; counter-reset: step; margin-top: .6rem; }
.steps li::marker { color: var(--primary); font-weight: 700; }

/* Contact */
.contact .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start;
}
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow);
}
.field { display: grid; gap: .35rem; margin-bottom: .8rem; }
.field.split { display: grid; grid-template-columns: 1fr auto; gap: .8rem; align-items: center; }
label { font-weight: 600; }
input, textarea, select {
  width: 100%; padding: .75rem .8rem; border: 1px solid var(--border); border-radius: 10px; background: #fff; color: #0a2540;
}
@media (prefers-color-scheme: dark) {
  input, textarea, select { background: #0b1220; color: var(--text); }
}

.switch { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; }
.switch input { width: 1.1rem; height: 1.1rem; }

.fine-print { font-size: .85rem; color: #6b7b95; }

@media (max-width: 980px) {
  .contact .container { grid-template-columns: 1fr; }
}

/* Trust bar */
.trust {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.trust .eyebrow { text-transform: uppercase; font-size: .8rem; letter-spacing: .08em; color: #6b7b95; margin: 0 0 .6rem; }
.trust-logos { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; color: #6b7b95; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 0 3rem;
  margin-top: 2rem;
}
.site-footer .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.site-footer .small { font-size: .9rem; }