/* ConvertPix landing site — palette derived from app icon:
   blue #1478F0, orange #F97316, green #21B45A, sky #BEE3F8 */

:root {
  --blue: #1478f0;
  --blue-dark: #0d5fc4;
  --blue-deep: #0a3d7a;
  --orange: #e85d04;
  --orange-soft: #f97316;
  --green: #1a9e4f;
  --sky: #e7f1fd;
  --sky-line: #c6ddf7;
  --ink: #16233a;
  --ink-soft: #45566e;
  --bg: #ffffff;
  --bg-alt: #f4f8fd;
  --card: #ffffff;
  --line: #dce6f2;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 61, 122, 0.1);
  --maxw: 68rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #4d9bf5;
    --blue-dark: #7ab5f8;
    --blue-deep: #bcd9fb;
    --orange: #fb923c;
    --orange-soft: #fb923c;
    --green: #34c974;
    --sky: #12253d;
    --sky-line: #1d3a5c;
    --ink: #e8eff8;
    --ink-soft: #a8bad0;
    --bg: #0b1524;
    --bg-alt: #0f1c30;
    --card: #13233a;
    --line: #22385442;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--blue-dark); }
a:hover { color: var(--orange); }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.05rem;
}
.brand:hover { color: var(--blue-dark); }
.brand img { border-radius: 9px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--ink);
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--blue-dark); }
.nav-links .nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}
.nav-links .nav-cta:hover { background: var(--blue-dark); color: #fff; }
@media (prefers-color-scheme: dark) {
  .nav-links .nav-cta { color: #0b1524; }
  .nav-links .nav-cta:hover { color: #0b1524; }
}

@media (max-width: 46rem) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.25rem 1rem;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0.45rem 0; }
  .nav-links .nav-cta { display: inline-block; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(60rem 30rem at 85% -20%, color-mix(in srgb, var(--blue) 16%, transparent), transparent),
    var(--bg-alt);
  border-bottom: 1px solid var(--line);
  padding: 3.5rem 0 3.75rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 52rem) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.25rem; }
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-dark);
  background: var(--sky);
  border: 1px solid var(--sky-line);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.hero h1 .hl { color: var(--blue); }

.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
  max-width: 34rem;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  padding: 0.55rem 1.15rem;
  line-height: 1.2;
  border: 1px solid #000;
}
.appstore-badge:hover { background: #1c1c1e; color: #fff; }
@media (prefers-color-scheme: dark) {
  .appstore-badge { background: #fff; color: #0b1524; border-color: #fff; }
  .appstore-badge:hover { background: #e8eff8; color: #0b1524; }
  .appstore-badge svg { fill: #0b1524; }
}
.appstore-badge svg { width: 26px; height: 26px; fill: #fff; flex: none; }
.appstore-badge .badge-text { display: flex; flex-direction: column; text-align: left; }
.appstore-badge .small { font-size: 0.68rem; opacity: 0.85; }
.appstore-badge .big { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; }

.hero-note {
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.hero-note strong { color: var(--green); }

/* Conversion mock card (no screenshots available) */
.mock-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  max-width: 24rem;
  margin: 0 auto;
}
.mock-card .mock-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}
.mock-card .mock-head img { border-radius: 14px; }
.mock-card .mock-head strong { display: block; font-size: 1rem; }
.mock-card .mock-head span { font-size: 0.82rem; color: var(--ink-soft); }

.convert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 0.6rem;
}
.fmt {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.65rem;
  border-radius: 7px;
}
.fmt-in { background: var(--sky); color: var(--blue-dark); border: 1px solid var(--sky-line); }
.fmt-out { background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); border: 1px solid color-mix(in srgb, var(--green) 30%, transparent); }
.convert-arrow { color: var(--orange); font-weight: 700; }
.convert-size { font-size: 0.8rem; color: var(--ink-soft); }

.mock-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
}
.dot-check {
  width: 1.15rem; height: 1.15rem;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  flex: none;
}

/* ---------- Sections ---------- */
section { padding: 3.5rem 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 42rem; margin-bottom: 2.25rem; }
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0 0 0.6rem;
  letter-spacing: -0.015em;
}
.section-head p { color: var(--ink-soft); margin: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 52rem) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 36rem) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card h3 { margin: 0.6rem 0 0.5rem; font-size: 1.12rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.card ul { margin: 0.4rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: 0.97rem; }
.card li { margin: 0.3rem 0; }

.icon-chip {
  width: 2.5rem; height: 2.5rem;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--sky);
  border: 1px solid var(--sky-line);
}
.icon-chip.orange { background: color-mix(in srgb, var(--orange) 12%, transparent); border-color: color-mix(in srgb, var(--orange) 28%, transparent); }
.icon-chip.green { background: color-mix(in srgb, var(--green) 12%, transparent); border-color: color-mix(in srgb, var(--green) 28%, transparent); }

/* problem / solution */
.ps-card { border-left: 4px solid var(--line); }
.ps-card.problem { border-left-color: var(--orange); }
.ps-card.solution { border-left-color: var(--green); }
.ps-card h3 { margin-top: 0; }

/* steps */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 52rem) { .steps { grid-template-columns: 1fr; } }
.steps li {
  counter-increment: step;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.7rem;
}
@media (prefers-color-scheme: dark) { .steps li::before { color: #0b1524; } }
.steps h3 { margin: 0 0 0.4rem; font-size: 1.08rem; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }

/* fact strip */
.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}
@media (max-width: 46rem) { .fact-strip { grid-template-columns: 1fr 1fr; } }
.fact {
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 0.75rem;
}
.fact strong { display: block; font-size: 1.45rem; color: var(--blue-dark); letter-spacing: -0.02em; }
.fact span { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 46rem; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 0.75rem; background: var(--card); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: none;
  border: 0;
  padding: 1rem 1.25rem;
  font: inherit;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.faq-q .chev { color: var(--blue); transition: transform 0.2s ease; flex: none; }
.faq-q[aria-expanded="true"] .chev { transform: rotate(180deg); }
.faq-a { padding: 0 1.25rem 1.1rem; color: var(--ink-soft); }
.faq-a[hidden] { display: none; }
.faq-a p { margin: 0; }

/* ---------- Guides teaser ---------- */
.guide-card { text-decoration: none; display: block; transition: border-color 0.15s ease; }
.guide-card:hover { border-color: var(--blue); }
.guide-card .tag { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--orange); }
.guide-card h3 { color: var(--ink); }
.guide-card p { color: var(--ink-soft); }
.guide-card .read-more { display: inline-block; margin-top: 0.7rem; font-weight: 600; color: var(--blue-dark); font-size: 0.92rem; }

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; }
.final-cta .cta-row { justify-content: center; }
.final-cta h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0 0 0.6rem; }
.final-cta p { color: var(--ink-soft); max-width: 36rem; margin: 0 auto 1.6rem; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 2.5rem 0 2rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2rem; margin-bottom: 1.75rem; }
@media (max-width: 46rem) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h3 { font-size: 0.95rem; color: var(--ink); margin: 0 0 0.6rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0.35rem 0; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--blue-dark); text-decoration: underline; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 1.25rem; font-size: 0.85rem; }
.privacy-note { display: flex; gap: 0.5rem; align-items: flex-start; margin-top: 0.75rem; }

/* ---------- Guide article pages ---------- */
.article-header { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 2.5rem 0 2.25rem; }
.breadcrumb { font-size: 0.88rem; color: var(--ink-soft); margin-bottom: 1rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 0.4rem; color: var(--ink-soft); }
.breadcrumb a { color: var(--blue-dark); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.article-header h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1.2; margin: 0 0 0.6rem; letter-spacing: -0.02em; max-width: 46rem; }
.article-meta { color: var(--ink-soft); font-size: 0.9rem; }

.article-body { max-width: 46rem; padding: 2.5rem 0 3rem; }
.article-body h2 { font-size: 1.5rem; margin: 2.2rem 0 0.7rem; letter-spacing: -0.01em; }
.article-body h3 { font-size: 1.17rem; margin: 1.6rem 0 0.5rem; }
.article-body p { margin: 0 0 1rem; }
.article-body ul, .article-body ol { margin: 0 0 1rem; padding-left: 1.3rem; }
.article-body li { margin: 0.35rem 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.95rem; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 0.6rem 0.75rem; text-align: left; vertical-align: top; }
.article-body th { background: var(--bg-alt); }
.table-scroll { overflow-x: auto; }

.callout {
  background: var(--sky);
  border: 1px solid var(--sky-line);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
}
.callout.green { background: color-mix(in srgb, var(--green) 9%, var(--bg)); border-color: color-mix(in srgb, var(--green) 28%, transparent); }
.callout p { margin: 0; }
.callout strong { color: var(--blue-deep); }

.app-help {
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: 12px;
  background: var(--card);
  padding: 1.4rem 1.5rem;
  margin: 2rem 0;
}
.app-help h2 { margin-top: 0 !important; }

.next-guides { border-top: 1px solid var(--line); padding-top: 1.75rem; margin-top: 2.5rem; }
.next-guides h2 { margin-top: 0; font-size: 1.25rem; }
.next-guides ul { list-style: none; padding: 0; }
.next-guides li { margin: 0.5rem 0; }