:root {
  /* Stitch "Easy Interventi" design system */
  --primary:        #0052CC;
  --primary-dark:   #003D9B;
  --primary-light:  #DAE2FF;
  --secondary:      #FE8A00;
  --success:        #006844;
  --success-bg:     #8DF7C1;
  --error:          #BA1A1A;
  --bg:             #F9F9FF;
  --surface:        #FFFFFF;
  --surface-low:    #F1F3FF;
  --border:         #C3C6D6;
  --outline:        #737685;
  --text:           #041B3C;
  --text-secondary: #434654;
  --radius:         8px;
  --radius-sm:      4px;
  --shadow: 0 4px 8px rgba(9, 30, 66, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.55;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 760px; }
.center { text-align: center; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; letter-spacing: -0.3px; }
h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 700; }
h2 { font-size: clamp(26px, 4vw, 34px); font-weight: 700; }
h3 { font-size: 18px; font-weight: 600; }
p { margin: 0 0 16px; color: var(--text-secondary); }
ul { padding: 0; margin: 0; list-style: none; }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 16px;
}
.eyebrow.center { display: block; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--border); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 18px 32px; font-size: 17px; }
.btn-block { width: 100%; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; padding-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); }
.brand-mark-img {
  width: 32px; height: 32px; border-radius: 8px;
  display: block; object-fit: cover;
}
.brand-name { font-weight: 700; font-size: 16px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--primary); }

/* Hero */
.hero { padding: 64px 0 32px; background: linear-gradient(180deg, var(--primary-light), #fff 70%); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.lead { font-size: 17px; max-width: 520px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; color: var(--text-secondary); }

.hero-art { display: flex; justify-content: center; }
.phone-frame {
  background: #041B3C;
  border-radius: 32px;
  padding: 10px;
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}
.phone-frame img {
  display: block;
  width: 220px;
  height: auto;
  border-radius: 24px;
}
.screens-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 16px 4px 8px;
  margin-top: 16px;
  scroll-snap-type: x proximity;
}
.screens-row .phone-frame { scroll-snap-align: start; }
.screens-row .phone-frame img { width: 200px; }
.price-note { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-top: 4px; }
.store-badges { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 20px; }
.store-badge { height: 44px; width: auto; display: block; }
.store-badges-cta { justify-content: center; margin-top: 32px; }

/* Strip */
.strip { padding: 24px 0; background: var(--primary); }
.strip-inner p { color: #fff; opacity: .85; margin: 0; text-align: center; font-size: 14px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg); }
.section-lead { max-width: 560px; margin: 0 auto 48px; font-size: 16px; }

.grid { display: grid; gap: 24px; margin-top: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
}
.card-icon { font-size: 28px; margin-bottom: 16px; }

.steps .step { text-align: center; padding: 24px; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary); color: #fff; font-weight: 700;
  margin-bottom: 16px;
}

/* Pricing */
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.price-card-highlight { border-color: var(--primary); box-shadow: var(--shadow); }
.price { font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 24px; }
.price-card ul { margin-bottom: 24px; display: flex; flex-direction: column; gap: 12px; font-size: 14px; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 8px; margin-top: 32px; }
.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.faq-list summary { font-weight: 600; cursor: pointer; }
.faq-list p { margin-top: 12px; margin-bottom: 0; }

/* CTA final */
.cta-final { background: var(--primary); color: #fff; }
.cta-final h2 { color: #fff; }
.cta-final .section-lead { color: rgba(255,255,255,0.8); }
.cta-steps {
  list-style: decimal;
  max-width: 480px;
  margin: 0 auto;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-left: 24px;
}
.cta-steps li { color: rgba(255,255,255,0.9); font-size: 15px; }
.cta-steps strong { color: #fff; }

/* Footer */
.footer { background: #041B3C; color: rgba(255,255,255,0.7); padding: 64px 0 32px; }
.footer .brand { color: #fff; margin-bottom: 16px; }
.footer .brand-mark-img { width: 56px; height: 56px; border-radius: 14px; }
.footer .brand-name { font-size: 20px; }
.footer p { color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-links a { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: #fff; }
.footer-copy { margin-top: 32px; font-size: 13px; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}
