:root {
  --blue: #1f89ee;
  --blue-dark: #1668b8;
  --orange: #ffb724;
  --dark: #1a1a2e;
  --green: #31af4d;
  --muted: #78909c;
  --bg: #ffffff;
  --bg-soft: #f4f8fc;
  --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e8eef4;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 18px; color: var(--dark); }
.brand:hover { text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--dark); font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--blue); text-decoration: none; }
.nav .btn { color: #fff; }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

/* BUTTONS */
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-weight: 900;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(31, 137, 238, 0.35);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(31, 137, 238, 0.45); text-decoration: none; }
.btn.btn-orange { background: var(--orange); color: var(--dark); box-shadow: 0 4px 14px rgba(255, 183, 36, 0.4); }
.btn.btn-dark { background: var(--dark); box-shadow: 0 4px 14px rgba(26, 26, 46, 0.35); }
.btn.btn-lg { font-size: 18px; padding: 16px 36px; }

/* APP STORE BADGE */
.appstore-badge {
  display: inline-flex; align-items: center; gap: 12px;
  background: #000; color: #fff;
  border-radius: 14px; padding: 10px 22px;
  transition: transform 0.15s ease;
}
.appstore-badge:hover { transform: translateY(-2px); text-decoration: none; }
.appstore-badge svg { width: 28px; height: 34px; flex-shrink: 0; }
.appstore-badge .badge-text { line-height: 1.2; text-align: left; }
.appstore-badge .badge-text small { display: block; font-size: 11px; font-weight: 600; opacity: 0.85; }
.appstore-badge .badge-text span { font-size: 19px; font-weight: 700; }

/* HERO */
.hero {
  background: linear-gradient(160deg, var(--dark) 0%, #16324f 55%, var(--blue-dark) 100%);
  color: #fff;
  overflow: hidden;
}
.hero .container {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px;
  align-items: center; padding-top: 72px; padding-bottom: 72px;
}
.hero h1 { font-size: 46px; line-height: 1.12; font-weight: 900; letter-spacing: -0.5px; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero .sub { margin: 20px 0 28px; font-size: 19px; color: #cfe3f7; max-width: 520px; }
.hero .hero-icon { width: 72px; height: 72px; border-radius: 17px; margin-bottom: 24px; box-shadow: 0 8px 30px rgba(0,0,0,0.4); }
.hero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-note { margin-top: 14px; font-size: 14px; color: #9db8d4; font-weight: 600; }
.hero-shot { justify-self: center; }
.hero-shot img {
  width: 290px; border-radius: 36px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  border: 6px solid rgba(255,255,255,0.08);
}
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; padding-top: 48px; padding-bottom: 48px; }
  .hero h1 { font-size: 34px; }
  .hero .sub { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero .hero-icon { margin-left: auto; margin-right: auto; }
  .hero-shot img { width: 240px; }
}

/* STATS STRIP */
.strip { background: var(--bg-soft); border-bottom: 1px solid #e8eef4; }
.strip .container {
  display: flex; justify-content: space-between; gap: 16px;
  padding-top: 22px; padding-bottom: 22px; flex-wrap: wrap;
}
.strip .stat { text-align: center; flex: 1; min-width: 130px; }
.strip .stat b { display: block; font-size: 22px; font-weight: 900; color: var(--blue); }
.strip .stat span { font-size: 13px; color: var(--muted); font-weight: 700; }

/* SECTIONS */
section { padding: 72px 0; }
section.alt { background: var(--bg-soft); }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 900; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--blue); margin-bottom: 10px;
}
h2.section-title { font-size: 34px; font-weight: 900; letter-spacing: -0.4px; margin-bottom: 14px; }
.section-sub { font-size: 17px; color: var(--muted); max-width: 640px; margin-bottom: 42px; }
.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }
@media (max-width: 720px) { h2.section-title { font-size: 27px; } section { padding: 52px 0; } }

/* SCREENSHOTS */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.shot { text-align: center; }
.shot img {
  border-radius: 26px;
  box-shadow: 0 14px 36px rgba(26, 26, 46, 0.18);
  transition: transform 0.2s ease;
}
.shot img:hover { transform: translateY(-6px); }
.shot h3 { margin-top: 18px; font-size: 17px; font-weight: 900; }
.shot p { font-size: 14px; color: var(--muted); margin-top: 4px; }
@media (max-width: 860px) { .shots { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .shots { grid-template-columns: 1fr; max-width: 280px; margin: 0 auto; } }

/* HOW IT WORKS */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step {
  background: #fff; border: 1px solid #e8eef4; border-radius: 20px;
  padding: 28px 24px; position: relative;
}
.step .num {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 900; font-size: 18px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.step:nth-child(2) .num { background: var(--orange); color: var(--dark); }
.step:nth-child(3) .num { background: var(--green); }
.step:nth-child(4) .num { background: var(--dark); }
.step h3 { font-size: 18px; font-weight: 900; margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--muted); }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

/* GUIDES GRID */
.guides { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.guide-card {
  background: #fff; border: 1px solid #e8eef4; border-radius: 20px;
  padding: 26px 22px; color: var(--dark); display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.guide-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(26,26,46,0.12); text-decoration: none; }
.guide-card .tag {
  align-self: flex-start; font-size: 11px; font-weight: 900; letter-spacing: 1px;
  text-transform: uppercase; color: var(--blue); background: rgba(31,137,238,0.1);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 14px;
}
.guide-card h3 { font-size: 17px; font-weight: 900; line-height: 1.35; margin-bottom: 8px; }
.guide-card p { font-size: 14px; color: var(--muted); flex: 1; }
.guide-card .more { margin-top: 14px; font-weight: 900; font-size: 14px; color: var(--blue); }
@media (max-width: 860px) { .guides { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .guides { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: #fff; border: 1px solid #e8eef4; border-radius: 16px;
  padding: 20px 24px; margin-bottom: 14px;
}
.faq summary {
  font-weight: 900; font-size: 17px; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 24px; color: var(--blue); font-weight: 700; flex-shrink: 0; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin-top: 12px; color: #44515c; font-size: 15px; }
.faq .learn-more { font-weight: 900; }

/* CTA BAND */
.cta-band {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  border-radius: 28px; color: #fff; text-align: center;
  padding: 60px 32px; position: relative; overflow: hidden;
}
.cta-band h2 { font-size: 32px; font-weight: 900; margin-bottom: 12px; letter-spacing: -0.4px; }
.cta-band p { font-size: 17px; color: #d8eafc; margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; }
@media (max-width: 720px) { .cta-band h2 { font-size: 25px; } }

/* FOOTER */
.site-footer { background: var(--dark); color: #aab6c6; padding: 56px 0 32px; margin-top: 72px; }
.site-footer .cols {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px;
}
.site-footer h4 { color: #fff; font-size: 14px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.site-footer a { color: #aab6c6; display: block; margin-bottom: 10px; font-size: 14px; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.site-footer .brand { color: #fff; margin-bottom: 12px; }
.site-footer .tagline { font-size: 14px; max-width: 260px; }
.site-footer .legal { border-top: 1px solid #2b2b45; padding-top: 24px; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer .legal a { display: inline; margin: 0 0 0 18px; }
@media (max-width: 720px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } }

/* ===== GUIDE / ARTICLE PAGES ===== */
.article-hero { background: var(--bg-soft); padding: 48px 0 40px; border-bottom: 1px solid #e8eef4; }
.breadcrumbs { font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 18px; }
.breadcrumbs a { color: var(--muted); }
.article-hero h1 { font-size: 38px; font-weight: 900; line-height: 1.15; letter-spacing: -0.5px; max-width: 800px; }
.article-hero .meta { margin-top: 14px; font-size: 14px; color: var(--muted); font-weight: 600; }
@media (max-width: 720px) { .article-hero h1 { font-size: 28px; } }

.article { padding: 48px 0; }
.article-body { max-width: 720px; }
.article-body h2 { font-size: 26px; font-weight: 900; margin: 40px 0 14px; letter-spacing: -0.3px; }
.article-body h3 { font-size: 19px; font-weight: 900; margin: 28px 0 10px; }
.article-body p { margin-bottom: 16px; font-size: 16.5px; color: #33404b; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; color: #33404b; font-size: 16.5px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--dark); }
.article-body img.inline-shot {
  width: 280px; border-radius: 24px; margin: 28px auto;
  box-shadow: 0 14px 36px rgba(26,26,46,0.18);
}

.answer-box {
  background: rgba(31, 137, 238, 0.07);
  border-left: 4px solid var(--blue);
  border-radius: 0 14px 14px 0;
  padding: 20px 24px; margin: 26px 0;
}
.answer-box p { margin: 0; font-size: 16.5px; font-weight: 600; color: var(--dark); }

.app-callout {
  background: #fff;
  border: 2px solid var(--orange);
  border-radius: 20px;
  padding: 26px 28px; margin: 34px 0;
  display: flex; gap: 20px; align-items: flex-start;
}
.app-callout img { width: 56px; height: 56px; border-radius: 13px; flex-shrink: 0; }
.app-callout h3 { margin: 0 0 8px; font-size: 18px; }
.app-callout p { margin-bottom: 12px; font-size: 15px; }
.app-callout .btn { font-size: 14px; padding: 10px 20px; }
@media (max-width: 540px) { .app-callout { flex-direction: column; } }

.related { background: var(--bg-soft); padding: 56px 0; }
.related h2 { font-size: 24px; font-weight: 900; margin-bottom: 24px; }
.related .guides { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .related .guides { grid-template-columns: 1fr; } }