:root {
  --bg: #ffffff;
  --card: #ffffff;
  --elev: #f3f4f6;
  --text: #111111;
  --muted: #6b7280;
  --primary: #e11d2e; /* DDG Red */
  --primary-600: #b50f1f;
  --accent: #ffffff; /* white accents */
  --success: #16a34a;
  --danger: #ef4444;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --radius: 14px;
  --ring: rgba(225,29,46,0.18);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 80% -100px, rgba(225,29,46,0.06), transparent 60%), var(--bg);
  color: var(--text);
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { height: 48px; display: flex; align-items: center; }
.logo-img { height: 48px; width: auto; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-weight: 700; }
.brand-text span { color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 20px; }
.nav-link { color: var(--text); text-decoration: none; opacity: .9; }
.nav-link:hover { opacity: 1; }

.hero { padding: 56px 0 24px; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: start; }
.hero-copy h1 { margin: 0 0 12px; font-size: 36px; }
.subtitle { margin: 0 0 16px; color: var(--muted); }
.trust-points { margin: 0; padding-left: 18px; color: var(--muted); }
.trust-points li { margin-bottom: 6px; }

.card {
  background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.00)), var(--card);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: box-shadow .3s ease, transform .3s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-weight: 600; font-size: 14px; }
.field input, .field select {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  color: var(--text);
  padding: 12px 12px;
  border-radius: 10px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder { color: #9ca3af; }
.field input:focus, .field select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--ring); }

.checkbox { flex-direction: row; align-items: center; gap: 10px; }
.checkbox-list { display: flex; flex-direction: column; gap: 8px; }
.check-item { display: flex; gap: 10px; align-items: center; }

.segmented { display: inline-flex; border: 1px solid #e5e7eb; border-radius: 10px; overflow: hidden; margin-bottom: 8px; }
.seg-btn { background: transparent; border: 0; color: var(--text); padding: 8px 10px; cursor: pointer; font-weight: 600; opacity: .8; }
.seg-btn.active { background: var(--primary); color: #ffffff; opacity: 1; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1); }

.btn { display: inline-block; border: 0; cursor: pointer; padding: 12px 14px; border-radius: 10px; font-weight: 700; transition: transform .12s ease, filter .2s ease; }
.btn.primary { background: linear-gradient(135deg, var(--primary), #ff8ea1); color: #ffffff; }
.btn.primary:hover { filter: brightness(1.05); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn.cta { background: linear-gradient(135deg, var(--primary), #ff8ea1); color: #ffffff; }

.small { font-size: 12px; }
.muted { color: var(--muted); }
.form-hint { min-height: 18px; }

.hidden { display: none; }
.result { margin-top: 14px; }
.result-figures { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.figure { background: var(--elev); border: 1px solid #e5e7eb; border-radius: 12px; padding: 12px; }
.figure .label { color: var(--muted); font-size: 12px; }
.figure .value { font-size: 22px; font-weight: 800; margin-top: 6px; color: var(--text); }

.section { padding: 40px 0; }
.steps { margin: 0; padding-left: 18px; color: var(--muted); }

.site-footer { border-top: 1px solid rgba(0,0,0,0.08); padding: 18px 0 28px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn, .card, .field input, .field select { transition: none !important; }
}