/* Okaybird landing page. No external fonts, no JS. */
:root {
  --navy-900: #040d1a; --navy-800: #061325; --navy-700: #0a1d36; --navy-600: #103459; --line: #1f3d63;
  --text: #e6edf5; --muted: #a9bbd0; --blue: #1aa7ff; --blue-2: #6fd0ff; --green: #35d69a; --amber: #ffb547; --red: #ff5a52;
  --radius: 18px; --wrap: 1140px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--navy-800); color: var(--text);
  font: 400 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-2); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 .5em; }
h2 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }
.center .lead { margin-left: auto; margin-right: auto; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--amber); color: #111; padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(6, 19, 37, .88); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(31, 61, 99, .6); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 1.15rem; }
.brand img { border-radius: 8px; }
.nav ul, .foot-row ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 22px; margin: 0; padding: 0; }
.nav a:not(.brand) { color: var(--muted); text-decoration: none; font-size: .95rem; padding: 10px 0; display: inline-block; }
.nav a:not(.brand):hover { color: #fff; }
@media (max-width: 640px) { .nav li:nth-child(-n+2) { display: none; } .nav ul { gap: 16px; } }

/* hero */
.hero { position: relative; overflow: hidden; padding: 56px 0 40px;
  background: radial-gradient(900px 520px at 78% 30%, rgba(26, 167, 255, .22), transparent 70%), linear-gradient(180deg, var(--navy-600), var(--navy-800)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 40px; }
.app-icon { border-radius: 22%; box-shadow: 0 10px 30px rgba(0, 0, 0, .45), 0 0 0 1px rgba(255, 255, 255, .08); margin-bottom: 22px; }
.app-icon.sm { margin: 0 auto 18px; }
.hero h1 { font-size: clamp(2.6rem, 1.6rem + 4vw, 4.4rem); font-weight: 800; margin-bottom: 14px; }
.hero h1 .sub { display: block; font-size: clamp(1.2rem, 1rem + 1vw, 1.65rem); font-weight: 600; color: var(--blue-2); margin-top: 10px; letter-spacing: 0; }
.pitch { font-size: 1.2rem; color: #d3dfec; max-width: 34ch; }
.hero-note { color: var(--muted); font-size: .95rem; margin-top: 14px; }
.hero-disclaimer { display: inline-block; font-size: .92rem; color: #ffd9d6; background: rgba(255, 90, 82, .12); border: 1px solid rgba(255, 90, 82, .4); padding: 8px 12px; border-radius: 10px; }
.hero-phones { position: relative; display: flex; justify-content: center; align-items: center; min-height: 560px; }
.hero-phones .main { width: 270px; z-index: 2; }
.hero-phones .side { position: absolute; width: 220px; opacity: .78; z-index: 1; }
.hero-phones .left { transform: translateX(-62%) rotate(-7deg); }
.hero-phones .right { transform: translateX(62%) rotate(7deg); }
@media (max-width: 900px) {
  .hero { padding-top: 36px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .pitch { margin-left: auto; margin-right: auto; }
  .hero-phones { min-height: 0; padding-top: 10px; }
  .hero-phones .main { width: min(62vw, 250px); }
  .hero-phones .side { width: min(48vw, 200px); }
  .hero-phones .left { transform: translateX(-58%) rotate(-7deg); }
  .hero-phones .right { transform: translateX(58%) rotate(7deg); }
}

/* phone mockup (pure CSS frame) */
.phone { margin: 0; background: #0b1a2f; border-radius: 44px; padding: 10px; border: 2px solid #34547a;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .5), inset 0 0 0 2px #071226; }
.phone .screen { border-radius: 34px; overflow: hidden; aspect-ratio: 540 / 1182; background: var(--navy-800); position: relative; }
.phone .screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.phone.small { width: 200px; flex: none; border-radius: 36px; padding: 8px; }
.phone.small .screen { border-radius: 28px; }

/* store buttons (text-only, no trademark artwork) */
.stores { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 0; }
.center .stores { justify-content: center; }
.store-btn { display: inline-flex; flex-direction: column; justify-content: center; min-width: 176px; min-height: 56px; padding: 8px 20px;
  background: #000; color: #fff; text-decoration: none; border: 1px solid #a6a6a6; border-radius: 12px; line-height: 1.15; }
.store-btn:hover { color: #fff; border-color: #fff; }
.store-top { font-size: .72rem; letter-spacing: .02em; }
.store-name { font-size: 1.3rem; font-weight: 600; }
.store-btn[aria-disabled="true"] { cursor: default; }

/* sections */
.section { padding: 84px 0; }
.section.alt { background: var(--navy-700); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps { list-style: none; margin: 34px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.step { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px; }
.step p { color: var(--muted); }
.num { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #04121f; font-weight: 800; margin-bottom: 10px; }
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; gap: 48px; }
  .step { flex-direction: row; text-align: left; align-items: flex-start; }
  .phone.small { width: 140px; border-radius: 26px; padding: 6px; }
  .phone.small .screen { border-radius: 20px; }
}
@media (max-width: 420px) { .phone.small { width: 112px; } .step { gap: 16px; } }
.cards { list-style: none; margin: 30px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.card { background: var(--navy-800); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { color: var(--blue-2); }
.card p { color: var(--muted); margin: 0; }
.privacy-list { list-style: none; margin: 30px 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px 30px; }
.privacy-list li { padding-left: 38px; position: relative; }
.privacy-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; background: rgba(53, 214, 154, .15); color: var(--green); display: grid; place-items: center; font-weight: 800; font-size: .9rem; }
.privacy-list p { color: var(--muted); margin: 0; }
.text-link { font-weight: 600; }
.faq { margin: 24px 0; }
details { border: 1px solid var(--line); border-radius: 14px; background: var(--navy-800); margin-bottom: 10px; }
summary { cursor: pointer; padding: 16px 48px 16px 18px; font-weight: 600; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--blue-2); }
details[open] summary::after { content: "−"; }
details p { padding: 0 18px 4px; color: var(--muted); }
.cta { background: radial-gradient(600px 300px at 50% 0, rgba(26, 167, 255, .18), transparent 70%); }
.btn { display: inline-block; background: var(--blue); color: #04121f; font-weight: 700; text-decoration: none; padding: 12px 22px; border-radius: 12px; }
.btn:hover { background: var(--blue-2); color: #04121f; }

/* prose pages */
.prose { padding-top: 48px; padding-bottom: 72px; }
.prose h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem); }
.prose h2 { font-size: 1.35rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.prose li { margin-bottom: .4em; }
.prose code { font-size: .85em; background: var(--navy-700); padding: 1px 5px; border-radius: 5px; word-break: break-all; }
.table-wrap { overflow-x: auto; margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; min-width: 520px; }
th, td { border: 1px solid var(--line); padding: 9px 11px; text-align: left; vertical-align: top; }
th { background: var(--navy-700); }
.draft { background: #2a2410; border: 1px solid #7a6324; border-radius: 10px; padding: 12px 14px; margin-bottom: 1.2em; }
.ph { background: #5a4a12; padding: 0 4px; border-radius: 4px; font-weight: 600; }
.contact-card { background: var(--navy-700); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 22px 8px; margin: 24px 0 8px; }
.contact-card h2 { border: 0; margin-top: 1rem; padding-top: 0; }
.warn { color: #ffd9d6; }
.notfound { padding-top: 80px; padding-bottom: 100px; }
.notfound .app-icon { margin: 0 auto 24px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: var(--navy-900); padding: 34px 0 40px; font-size: .95rem; color: var(--muted); }
.disclaimer { background: rgba(255, 90, 82, .08); border: 1px solid rgba(255, 90, 82, .35); color: #f3d6d3; border-radius: 12px; padding: 14px 16px; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; align-items: center; }
.foot-row p { margin: 0; }
.foot-row a { color: var(--muted); }
.foot-row a:hover { color: #fff; }

/* /sms: message samples and the opt-in screenshot */
.sms { margin: 0 0 1.2em; padding: 12px 16px; background: #e9eef5; color: #0b1a2f; border-radius: 18px 18px 18px 4px;
  max-width: 34rem; font-size: .95rem; line-height: 1.45; word-break: break-word; }
.optin-shot { margin: 24px 0; }
.optin-shot img { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line); }
.optin-shot figcaption { color: var(--muted, #9fb3c8); font-size: .9rem; margin-top: 8px; }