:root {
  --accent: #2f6df6;
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --text: #1c1c1e;
  --text-soft: #5f6470;
  --border: rgba(0,0,0,0.08);
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #5b8cff;
    --bg: #0f1115;
    --bg-soft: #16181d;
    --text: #f2f3f5;
    --text-soft: #a3a8b2;
    --border: rgba(255,255,255,0.10);
    --card: #181a20;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

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

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* Hero */
.hero { text-align: center; padding: 72px 24px 48px; }
.hero img.icon {
  width: 112px; height: 112px; border-radius: 25px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}
.hero h1 { font-size: 2.6rem; margin: 24px 0 8px; letter-spacing: -0.02em; }
.hero .tagline { font-size: 1.25rem; color: var(--text-soft); margin: 0 auto 28px; max-width: 58ch; }

/* Four phone screenshots in one row, spanning the full content width edge to edge.
   Each image keeps its natural ratio; columns are equal. Drops to 2x2 on phones. */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 0; }
@media (max-width: 620px) { .shots { grid-template-columns: repeat(2, 1fr); gap: 12px; } }
.shot {
  display: block; width: 100%; height: auto;
  border-radius: 18px; border: 1px solid var(--border);
}

/* Closing CTA — centered on the page background, no box */
.cta-center { text-align: center; padding: 0; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 1rem;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.note { font-size: 0.85rem; color: var(--text-soft); margin-top: 14px; }

/* Sections — one uniform vertical gap everywhere (hero's 48px bottom padding sets the
   first gap; each subsequent section adds the same 48px above it). */
section { padding: 0; }
main > section + section { margin-top: 48px; }
section h2 { font-size: 1.6rem; letter-spacing: -0.01em; margin: 0 0 8px; }
.lead { color: var(--text-soft); margin: 0 0 28px; }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 620px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px 22px;
}
.feature h3 { margin: 0 0 6px; font-size: 1.1rem; }
.feature p { margin: 0; color: var(--text-soft); font-size: 0.98rem; }

/* Two iPad-screenshot showcase images, each a card's width. Rendered at the source
   images' natural aspect ratio (no cropping). Stacks to one column on narrow phones. */
.showcase { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; align-items: start; }
@media (max-width: 620px) { .showcase { grid-template-columns: 1fr; } }
.showcase-img {
  display: block; width: 100%; height: auto;
  border-radius: 16px; border: 1px solid var(--border);
}

.privacy-card {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px 22px;
}
.privacy-card ul { margin: 0; padding-left: 20px; color: var(--text-soft); }
.privacy-card li { margin: 6px 0; }

/* Footer */
footer {
  border-top: 1px solid var(--border); margin-top: 48px;
  padding: 28px 24px; text-align: center; color: var(--text-soft); font-size: 0.9rem;
}
footer a { margin: 0 8px; }

/* Privacy page */
.doc { padding: 56px 0 0; }  /* bottom space comes from the footer's 48px margin, matching index */
.doc h1 { font-size: 2rem; margin: 0 0 4px; }
.doc .updated { color: var(--text-soft); margin: 0 0 28px; }
.doc h2 { font-size: 1.25rem; margin: 32px 0 8px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 8px 0; }
.back { display: inline-block; margin-bottom: 28px; font-weight: 500; }