/* ============================================================
   Go Upsell — site styles
   Palette: cool ink + clean paper, electric blue (primary),
   emerald/mint (growth & money). Display: Space Grotesk.
   ============================================================ */

:root {
  --ink:        #0E1726;
  --muted:      #586377;
  --paper:      #FAFBFC;
  --surface:    #FFFFFF;
  --line:       #E6EAF0;
  --tint:       #EEF3FF;
  --blue:       #2D6BFF;
  --blue-ink:   #1B4DD6;
  --mint:       #10B981;
  --mint-soft:  #E7F8F1;

  --maxw: 1080px;
  --radius: 14px;
  --radius-sm: 10px;

  --display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 15px;
  font-weight: 500;
}
.nav a { color: var(--muted); }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 18px rgba(45, 107, 255, 0.28);
}
.btn-primary:hover { background: var(--blue-ink); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: #cdd6e4; }

/* ---------- hero ---------- */
.hero { padding: 84px 0 72px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-ink);
  background: var(--tint);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}
h1.hero-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
}
h1.hero-title .accent { color: var(--blue); }
.hero-sub {
  font-size: 19px;
  color: var(--muted);
  max-width: 30ch;
  margin: 0 0 32px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- signature: offer card ---------- */
.offer-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 24px 60px -28px rgba(14, 23, 38, 0.35);
  max-width: 360px;
  margin-left: auto;
}
.offer-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 14px;
}
.offer-body { display: flex; gap: 16px; align-items: center; }
.offer-thumb {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background:
    radial-gradient(120% 120% at 20% 10%, #dfe8ff 0%, #eef3ff 55%, #f6f9ff 100%);
  border: 1px solid var(--line);
  flex: none;
  display: grid;
  place-items: center;
}
.offer-info { flex: 1; min-width: 0; }
.offer-name {
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 6px;
}
.offer-price { display: flex; align-items: baseline; gap: 9px; }
.price-now {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
}
.price-was {
  color: var(--muted);
  text-decoration: line-through;
  font-size: 15px;
}
.badge {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 4px 9px;
  border-radius: 7px;
  letter-spacing: 0.01em;
}
.offer-add {
  width: 100%;
  margin-top: 18px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 14px;
}

/* ---------- sections ---------- */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 56ch; margin-bottom: 44px; }
.section-eyebrow {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
  margin: 0 0 12px;
}
h2.section-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

/* steps (a real 3-step sequence -> numbered) */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { }
.step-num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  color: var(--blue);
  border: 1px solid var(--line);
  background: var(--surface);
  width: 36px; height: 36px;
  border-radius: 10px;
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.step h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.step p { color: var(--muted); margin: 0; font-size: 16px; }

/* feature points */
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.point {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.point .dot {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--mint-soft);
  display: grid; place-items: center;
  margin-bottom: 14px;
}
.point h3 { font-family: var(--display); font-weight: 600; font-size: 17px; margin: 0 0 6px; }
.point p { color: var(--muted); margin: 0; font-size: 15px; }

/* cta band */
.cta-band {
  background: var(--ink);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  color: #fff;
  margin: 72px 0;
}
.cta-band h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.cta-band p { color: #aeb9cc; margin: 0 0 26px; }
.cta-band .btn-primary { box-shadow: 0 6px 22px rgba(45,107,255,0.45); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  font-size: 14px;
  color: var(--muted);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--ink); }

/* ---------- legal pages ---------- */
.legal { padding: 56px 0 24px; }
.legal-inner { max-width: 760px; }
.legal h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 42px);
  letter-spacing: -0.025em;
  margin: 0 0 8px;
}
.legal .updated { color: var(--muted); font-size: 15px; margin: 0 0 36px; }
.legal h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}
.legal h3 { font-family: var(--display); font-weight: 600; font-size: 17px; margin: 24px 0 8px; }
.legal p, .legal li { color: #29384e; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal .lead { font-size: 18px; color: var(--muted); }
.legal .note {
  background: var(--tint);
  border: 1px solid #d8e3ff;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 15px;
  color: #2b3c5e;
}
.legal .fill {
  background: #FFF6E5;
  border: 1px dashed #E7B964;
  border-radius: 6px;
  padding: 1px 7px;
  font-weight: 600;
  color: #92671A;
}

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .offer-card { margin: 0 auto; }
  .hero-sub { max-width: none; }
  .steps, .points { grid-template-columns: 1fr; gap: 22px; }
  .nav { gap: 18px; }
}
@media (max-width: 560px) {
  .nav .nav-howto { display: none; }
  .cta-band { padding: 36px 22px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}

/* ---------- a11y ---------- */
a:focus-visible, .btn:focus-visible, button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 6px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}