:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --surface: #0d0d0f;      /* dark cards to frame the dark screenshots */
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-inverse: #f5f5f7;
  --accent: #0a84ff;       /* iOS blue, matches the app */
  --accent-hover: #0060df;
  --border: #d2d2d7;
  --radius: 16px;
  --radius-phone: 30px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 28px;
  --space-xl: 56px;
  --space-2xl: 96px;
  --shot-w: 300px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-alt: #0d0d0f;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border: #2a2a2e;
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

/* App Store badge */
.badge { display: inline-block; }
.badge img { height: 53px; width: auto; }
.badge:hover { opacity: 0.85; }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
}
.nav__brand { color: var(--text); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.nav__cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 980px;
  font-weight: 600;
  font-size: 0.95rem;
}
.nav__cta:hover { background: var(--accent-hover); color: #fff; }

/* Hero */
.hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.hero__copy { max-width: 620px; margin: 0 auto; }
.hero__shot img { margin: 0 auto; }
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.hero__sub {
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  margin: var(--space-lg) 0 var(--space-lg);
}
.hero__sub { margin-bottom: var(--space-md); }
.hero__desc { color: var(--text-secondary); font-size: 0.98rem; margin-bottom: var(--space-lg); }
.hero__note { color: var(--text-secondary); font-size: 0.9rem; margin-top: var(--space-md); }

@media (min-width: 860px) {
  .hero {
    flex-direction: row;
    align-items: center;
    text-align: left;
    justify-content: space-between;
  }
  .hero__copy { margin: 0; }
  .hero__shot { flex-shrink: 0; }
}

/* Benefits */
.benefits { background: var(--bg-alt); padding: var(--space-2xl) var(--space-lg); }
.benefits__grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}
@media (min-width: 640px) {
  .benefits__grid { grid-template-columns: 1fr 1fr; }
}
.benefit h2 { font-size: 1.25rem; letter-spacing: -0.01em; margin-bottom: var(--space-sm); }
.benefit p { color: var(--text-secondary); }

/* iPhone frame — official Apple bezel PNG; the screenshot sits behind its
   transparent screen cutout, so the bezel masks the screenshot's square corners. */
.phone {
  position: relative;
  width: var(--shot-w);
  margin: 0 auto;
  aspect-ratio: 1350 / 2760;
  filter: drop-shadow(0 30px 55px rgba(0, 0, 0, 0.45));
}
.phone__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.phone__screen {
  position: absolute;
  /* matched exactly to the frame's transparent screen cutout (measured from the PNG):
     inset L/R 5.33%, T/B 2.54%, corner radius ~192px = 15.9%/7.3%. The frame sits on
     top (z-index 2), so nothing under the bezel shows; rounding keeps the screen inside
     the phone silhouette so no square corners poke out. */
  top: 2.54%;
  left: 5.33%;
  right: 5.33%;
  bottom: 2.54%;
  z-index: 1;
  overflow: hidden;
  border-radius: 15.9% / 7.3%;
  background: #000;
}
.phone__screen img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* Positioning statement */
.positioning {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.positioning p {
  font-size: clamp(1.3rem, 3.5vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

/* How it works */
.how {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}
.how__head { text-align: center; margin-bottom: var(--space-2xl); }
.how__head h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); letter-spacing: -0.02em; }
.how__sub { color: var(--text-secondary); margin-top: var(--space-md); max-width: 520px; margin-inline: auto; }
.how__phone { display: none; }

.how__steps { list-style: none; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.step__n {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.step h3 { font-size: 1.2rem; letter-spacing: -0.01em; margin-bottom: var(--space-sm); }
.step p { color: var(--text-secondary); }
.step__shot {
  display: block;
  width: 220px;
  margin-top: var(--space-md);
  border-radius: 26px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 36px -18px rgba(0, 0, 0, 0.4);
  background: #000;
}

@media (min-width: 860px) {
  .how__inner {
    display: grid;
    grid-template-columns: var(--shot-w) 1fr;
    gap: var(--space-2xl);
    align-items: start;
  }
  .how__phone { display: block; position: sticky; top: 72px; }
  .how__phone .phone__screen .shot {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  .how__phone .phone__screen .shot.is-active { opacity: 1; }
  .step { min-height: 56vh; align-content: center; opacity: 0.4; transition: opacity 0.3s ease; }
  .step.is-active { opacity: 1; }
  .step.is-active .step__n { border-color: var(--accent); color: var(--accent); }
  .step__shot { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .step { transition: none; }
  .how__phone .phone__screen .shot { transition: none; }
}

/* Button */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  border-radius: 980px;
  font-weight: 600;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* Plan Builder */
.plan-builder {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}
.plan-builder h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); letter-spacing: -0.02em; }
.plan-builder p { color: var(--text-secondary); margin: var(--space-md) 0 var(--space-lg); font-size: 1.05rem; }
code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.9em;
}

/* Pro */
.pro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}
.pro h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); letter-spacing: -0.02em; }
.pro p { color: var(--text-secondary); margin: var(--space-md) 0 var(--space-lg); font-size: 1.05rem; }

/* Content pages (support, privacy) */
.doc {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}
.doc h1 { font-size: clamp(2rem, 5vw, 2.6rem); letter-spacing: -0.02em; }
.doc__lead { color: var(--text-secondary); margin-top: var(--space-md); font-size: 1.1rem; }
.doc h2 { font-size: 1.3rem; letter-spacing: -0.01em; margin: var(--space-xl) 0 var(--space-md); }
.doc p { margin-bottom: var(--space-md); }
.doc ul { margin: 0 0 var(--space-md) var(--space-lg); }
.doc li { margin-bottom: 6px; }
.doc a:not(.btn) { color: var(--accent); }
.doc a:not(.btn):hover { text-decoration: underline; }
.doc .faq dt { font-weight: 600; margin-top: var(--space-md); }
.doc .faq dd { margin: 4px 0 0; color: var(--text-secondary); }

/* Template / program pages */
.muted { color: var(--text-secondary); }
.crumbs { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: var(--space-lg); }
.crumbs a { color: var(--text-secondary); }
.crumbs a:hover { color: var(--accent); }
.note {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
  font-size: 0.95rem;
}
.tbl { width: 100%; border-collapse: collapse; margin: var(--space-md) 0 var(--space-lg); font-size: 0.95rem; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.tbl th { font-weight: 600; color: var(--text-secondary); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; }
.tbl tbody tr:last-child td { border-bottom: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-xl); }
.btn--ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.btn--ghost:hover { background: var(--bg-alt); color: var(--accent); }
.cards { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); margin-top: var(--space-xl); }
@media (min-width: 700px) { .cards { grid-template-columns: 1fr 1fr; } }
.tcard {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-decoration: none;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.15s ease;
}
.tcard:hover { border-color: var(--accent); }
.tcard h2 { font-size: 1.2rem; letter-spacing: -0.01em; margin-bottom: var(--space-sm); }
.tcard p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: var(--space-md); }
.tcard__tag { font-size: 0.8rem; color: var(--accent); font-weight: 600; }
.tcard--soon { opacity: 0.55; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.footer__brand { font-weight: 600; color: var(--text); }
.footer__links a { margin-left: var(--space-lg); color: var(--text-secondary); }
.footer__links a:first-child { margin-left: 0; }
.footer__links a:hover { color: var(--accent); }