*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: hsl(210 20% 98%);
  --fg: hsl(210 40% 10%);
  --card: hsl(0 0% 100%);
  --primary: hsl(197 71% 42%);
  --primary-fg: hsl(0 0% 100%);
  --muted: hsl(210 10% 45%);
  --border: hsl(210 20% 90%);
  --section-alt: hsl(210 20% 96%);
  --accent: hsl(170 60% 40%);
  --hero-gradient: linear-gradient(135deg, hsl(197 71% 42%), hsl(170 60% 40%));
  --radius: 0.75rem;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Space Grotesk', system-ui, sans-serif; line-height: 1.1; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

/* ── Hero ── */
.hero { position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: var(--hero-gradient); opacity: 0.07; }
.hero-inner { position: relative; max-width: 56rem; margin: 0 auto; padding: 6rem 1.5rem 4rem; text-align: center; }

.badge {
  display: inline-flex; align-items: center; gap: 0.375rem;
  background: var(--section-alt); color: var(--fg);
  font-size: 0.875rem; font-weight: 500;
  padding: 0.375rem 1rem; border-radius: 9999px;
  margin-bottom: 1.5rem;
}
.badge svg { width: 14px; height: 14px; }

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.gradient-text {
  background: var(--hero-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 40rem; margin: 0 auto 2.5rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 1.05rem; font-weight: 600; padding: 0.875rem 2rem;
  border-radius: var(--radius); border: none; cursor: pointer;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.88; }
.btn-primary { background: var(--hero-gradient); color: var(--primary-fg); box-shadow: var(--shadow-lg); }
.btn-outline { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.btn svg { width: 20px; height: 20px; }

.hero-img { margin: 4rem auto 0; max-width: 40rem; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-xl); overflow: hidden; }

/* ── Sections ── */
section { padding: 5rem 1.5rem; }
.alt-bg { background: var(--section-alt); }
.container { max-width: 56rem; margin: 0 auto; }

.section-title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; text-align: center; margin-bottom: 1rem; }
.section-desc { text-align: center; color: var(--muted); max-width: 40rem; margin: 0 auto 3.5rem; font-size: 1.1rem; }

/* ── Feature cards ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 2rem; }
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-md);
  padding: 2rem 1.5rem; text-align: center;
}
.card-icon {
  width: 3.5rem; height: 3.5rem; border-radius: 0.75rem;
  background: var(--hero-gradient); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
}
.card-icon svg { width: 28px; height: 28px; color: var(--primary-fg); }
.card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* ── Two-col ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }
.two-col h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; margin-bottom: 1.5rem; text-align: left; }
.two-col p { color: var(--muted); font-size: 1.1rem; margin-bottom: 1.5rem; }
.two-col strong { color: var(--fg); }
.tip-box {
  background: hsla(197, 71%, 42%, 0.1); border: 1px solid hsla(197, 71%, 42%, 0.2);
  border-radius: var(--radius); padding: 1.25rem; font-size: 0.875rem; font-weight: 500;
}
.two-col-img { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-lg); overflow: hidden; }

/* ── Steps ── */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 2.5rem; }
.step { text-align: center; }
.step-num {
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--hero-gradient); color: var(--primary-fg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; margin: 0 auto 1.25rem;
  font-family: 'Space Grotesk', system-ui, sans-serif;
}
.step h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.75rem; }
.step p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1.5rem; }
.step a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.step a:hover { opacity: 0.8; }
.step-img { border-radius: 0.5rem; border: 1px solid var(--border); box-shadow: var(--shadow-sm); overflow: hidden; }

/* ── Privacy ── */
.privacy-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1.5rem; }
.privacy-item { text-align: center; padding: 1.5rem; }
.privacy-item svg { width: 32px; height: 32px; color: var(--primary); margin: 0 auto 1rem; }
.privacy-item h3 { font-weight: 600; margin-bottom: 0.5rem; }
.privacy-item p { color: var(--muted); font-size: 0.875rem; }

/* ── FAQ ── */
.faq-list { max-width: 42rem; margin: 2rem auto 0; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 1rem; overflow: hidden;
}
.faq-question {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1.1rem; font-weight: 600; padding: 1.25rem 1.5rem;
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+'; font-size: 1.5rem; font-weight: 400; color: var(--primary);
  transition: transform 0.2s;
}
.faq-item[open] .faq-question::after { content: '−'; }
.faq-answer {
  padding: 0 1.5rem 1.25rem; color: var(--muted); font-size: 0.95rem; line-height: 1.7;
}

/* ── CTA ── */
.cta { text-align: center; }
.cta h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; margin-bottom: 1.5rem; }
.cta p { color: var(--muted); font-size: 1.1rem; margin-bottom: 2rem; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border); padding: 2.5rem 1.5rem;
}
.footer-inner {
  max-width: 56rem; margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.footer-links { display: flex; align-items: center; gap: 1rem; font-size: 0.875rem; color: var(--muted); }
.footer-links a { display: inline-flex; align-items: center; gap: 0.375rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--fg); }
.footer-links svg { width: 16px; height: 16px; }
.footer-referral { font-size: 0.875rem; color: var(--muted); display: inline-flex; align-items: center; gap: 0.375rem; transition: color 0.2s; }
.footer-referral:hover { color: var(--fg); }
.footer-referral svg { width: 14px; height: 14px; }

/* ── SVG icons inline ── */
.icon { display: inline-block; vertical-align: middle; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }