/* ---- Base / Reset ---- */
*,
*::before,
*::after { box-sizing: border-box; }
html:focus-within { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: #0a0a0a;
  background: #fff;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid #000; outline-offset: 3px; }

:root{
  --text:#0a0a0a;
  --muted:#666;
  --border:#e5e5e5;
  --bg:#ffffff;
  --bg-soft:#f7f7f7;
  --radius:14px;
  --accent: #2563eb;
  --accent-hover: #1e40af;

  --maxw: min(1100px, 92vw);

  --fs-hero: clamp(32px, 6vw, 56px);
  --fs-h2: clamp(22px, 3.2vw, 32px);
  --fs-body: clamp(16px, 1.6vw, 18px);
  --fs-fine: 13px;
}

.container { width: var(--maxw); margin-inline: auto; }

.section-pad { padding: clamp(48px, 8vw, 96px) 0; }
.center { text-align: center; }
.muted { color: var(--muted); }

/* ---- Header ---- */
.skip-link {
  position: absolute; left: -9999px; top: -9999px;
}
.skip-link:focus {
  left: 12px; top: 12px; background: #000; color: #fff; padding: 8px 12px; border-radius: 6px;
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 180ms ease;
}
.site-header.scrolled { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.brand a {
  font-weight: 700; letter-spacing: 0.2px;
  font-size: 18px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 14px; border: 1.5px solid #000; border-radius: 10px;
  font-weight: 600; text-decoration: none; cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-lg { padding: 14px 18px; font-size: 16px; }

/* ---- Hero ---- */
.hero-inner { text-align: center; }
.hero h1 {
  font-size: var(--fs-hero);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.subhead {
  font-size: var(--fs-body);
  max-width: 70ch;
  margin: 0 auto 26px;
  color: var(--text);
}
.cta-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ---- Value Stack ---- */
.value-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(4,1fr); gap: 18px;
}
@media (max-width: 1000px){
  .value-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px){
  .value-grid { grid-template-columns: 1fr; }
}
.value-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start;
  transition: border-color 140ms ease, transform 120ms ease;
}
.value-card:hover { border-color: #000; transform: translateY(-1px); }
.value-card .icon { width: 28px; height: 28px; }
.value-card h3 {
  margin: 0;
  font-weight: 600;
  font-size: clamp(16px, 1.8vw, 18px);
}

/* ---- Guarantee ---- */
.guarantee-box {
  border: 2px solid #000;
  border-radius: var(--radius);
  padding: clamp(16px, 2.4vw, 28px);
  text-align: center;
}
.guarantee-text {
  margin: 0;
  font-size: clamp(16px, 2vw, 20px);
}

/* ---- Scarcity ---- */
.scarcity {
  background: var(--bg-soft);
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
}
.scarcity-inner { padding: 16px 0; }
.scarcity-text {
  margin: 0; text-align: center; font-weight: 600;
}
.scarcity .count { white-space: nowrap; }

/* ---- Social Proof ---- */
.social-proof .container { text-align: center; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0; gap: 16px; flex-wrap: wrap;
}
.fine { margin: 0; color: var(--muted); font-size: var(--fs-fine); }
.footer-links { display: inline-flex; align-items: center; gap: 10px; }
.footer-links a { text-decoration: underline; text-underline-offset: 3px; }

/* ---- Typography defaults ---- */
h1,h2,h3 { color: var(--text); }
p, a, li, button { font-size: var(--fs-body); }

/* ---- Smooth scroll ---- */
html { scroll-behavior: smooth; }

/* ---- Logo ---- */
.brand .logo {
  height: clamp(32px, 6vw, 160px);
  width: auto;
  display: inline-block;
}

/* ---- Button UX tweaks ---- */
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn-primary:active {
  transform: translateY(0);
  opacity: 0.9;
  transition: opacity 80ms ease;
}