:root {
  --navy: #14213D;
  --navy-2: #1D2D52;
  --cream: #F6F4EF;
  --paper: #FFFFFF;
  --red: #D62839;
  --coral: #FF5A64;
  --ink-2: #4A5468;
  --line: #E4E0D6;
  --radius: 16px;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  color: var(--navy);
  background: var(--cream);
  line-height: 1.55;
}
* { box-sizing: border-box; }
body { margin: 0; }
img { max-width: 100%; display: block; }
a { color: var(--red); text-underline-offset: 3px; }
a:hover { color: #A51D2C; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.eyebrow { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 12px; }

/* Header / footer */
.site-header { padding: 20px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-header img { height: 60px; width: auto; }
.nav { display: flex; gap: 22px; font-weight: 500; }
.nav a { color: var(--navy); text-decoration: none; padding: 10px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--red); }
.site-footer { background: var(--navy); color: #C9D0DE; padding: 40px 0; margin-top: 80px; font-size: 15px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.site-footer img { height: 40px; width: auto; }
.site-footer a { color: #FFFFFF; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* Hero */
.hero { padding: 40px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.02; letter-spacing: -.03em; margin: 0 0 20px; }
h1 em { font-style: normal; color: var(--red); }
.lead { font-size: 20px; color: var(--ink-2); max-width: 34em; margin: 0 0 28px; }
.badges { display: flex; gap: 12px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 10px 18px; border-radius: 12px; background: var(--navy); color: #FFFFFF; font-weight: 600; }
.badge small { display: block; font-weight: 500; font-size: 12px; color: #C9D0DE; }

/* Phone mock (pure CSS, no screenshots yet) */
.phone { width: 280px; margin: 0 auto; background: #0B0F1A; border-radius: 44px; padding: 14px; box-shadow: 0 30px 60px rgba(20, 33, 61, .25); }
.screen { background: #000000; border-radius: 32px; padding: 64px 16px 20px; color: #FFFFFF; }
.fx { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 13px; color: #9AA3B5; text-align: right; }
.display { font-size: 52px; font-weight: 500; text-align: right; margin: 4px 0 16px; letter-spacing: -.02em; }
.keys { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.keys span { aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; font-size: 22px; background: #333333; }
.keys .fn { background: #A5A5A5; color: #000000; }
.keys .op { background: #FF9F0A; }
.keys .eq { background: var(--coral); }
.keys .zero { grid-column: span 2; aspect-ratio: auto; border-radius: 999px; justify-items: start; padding-left: 22px; }

/* Sections */
section { padding: 56px 0; }
h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -.02em; line-height: 1.1; margin: 0 0 12px; }
.section-lead { color: var(--ink-2); font-size: 18px; margin: 0 0 32px; max-width: 40em; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--ink-2); }
.icon { width: 40px; height: 40px; border-radius: 10px; background: var(--navy); display: grid; place-items: center; margin-bottom: 14px; }
.icon svg { width: 22px; height: 22px; stroke: var(--coral); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.steps li { list-style: none; counter-increment: step; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.steps li::before { content: counter(step); font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--red); font-size: 28px; display: block; margin-bottom: 8px; }
.steps { padding: 0; margin: 0; }
kbd { font-family: 'JetBrains Mono', monospace; background: var(--navy); color: #FFFFFF; border-radius: 6px; padding: 1px 7px; font-size: .9em; }

.pricing { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.plan { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 8px; }
.plan.best { border: 2px solid var(--red); }
.plan h3 { margin: 0; font-size: 18px; }
.price { font-size: 34px; font-weight: 700; letter-spacing: -.02em; }
.price small { font-size: 15px; font-weight: 500; color: var(--ink-2); }
.plan ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-2); }
.tag { align-self: flex-start; font-family: 'JetBrains Mono', monospace; font-size: 12px; background: var(--red); color: #FFFFFF; border-radius: 999px; padding: 3px 10px; }
.note { color: var(--ink-2); font-size: 14px; margin-top: 16px; }

.dark { background: var(--navy); color: var(--cream); }
.dark .section-lead, .dark .eyebrow { color: #C9D0DE; }
.dark .card { background: var(--navy-2); border-color: #2C3D66; }
.dark .card p { color: #C9D0DE; }

/* Long-form pages */
.doc { max-width: 760px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); }
.doc h2 { font-size: 24px; margin-top: 40px; }
.doc p, .doc li { font-size: 17px; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
details { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; }
summary { font-weight: 600; cursor: pointer; font-size: 18px; }
details p { margin: 10px 0 0; color: var(--ink-2); }
.contact { background: var(--navy); color: var(--cream); border-radius: var(--radius); padding: 28px; margin-top: 32px; }
.contact a { color: #FFFFFF; font-size: 22px; font-weight: 700; }

@media (max-width: 860px) {
  .hero .wrap, .grid, .steps { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .pricing { grid-template-columns: 1fr; }
  .nav { gap: 16px; }
  .site-header img { height: 48px; }
}