/* Landing page, modelled on mollie.com: Inter at regular weight with tight
   tracking, IBM Plex Mono eyebrows, pill buttons, white cards with large radii
   on soft bands, one dark card. Primary buttons are black, secondary light gray. */

:root {
  --black: #000000;
  --ink: #0a0a0a;
  --text: #5e5e5e;
  --mono-ink: #4a4a4a;
  --line: #e7e7e7;
  --band: #f5f5f5;
  --card: #ffffff;
  --gray-btn: #efefef;
  --gray-btn-hover: #e4e4e4;
  --dark: #0d0d0d;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: #fff; color: var(--ink); font: 400 16px/1.4 var(--font);
  letter-spacing: -0.01em; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
button, input { font: inherit; color: inherit; letter-spacing: inherit; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: -0.01em; color: var(--mono-ink); }

.ico {
  display: inline-block; width: 20px; height: 20px; flex: none; background: currentColor;
  -webkit-mask: var(--i) center / contain no-repeat; mask: var(--i) center / contain no-repeat;
}
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

/* Type */
.eyebrow {
  font-family: var(--mono); font-size: 12px; font-weight: 500; line-height: 1.3;
  text-transform: uppercase; letter-spacing: 0.02em; color: var(--mono-ink); margin-bottom: 16px;
}
h1 { font-size: 64px; line-height: 1; font-weight: 400; letter-spacing: -0.04em; color: var(--black); }
h2 { font-size: 52px; line-height: 1.1; font-weight: 400; letter-spacing: -0.03em; color: var(--black); }
h3 { font-size: 22px; line-height: 1.25; font-weight: 500; letter-spacing: -0.02em; color: var(--black); }
.lede, .section-lede { font-size: 18px; line-height: 1.45; color: var(--text); }
.section-lede { max-width: 620px; margin: 16px auto 0; text-align: center; }
.section-lede.left { margin-left: 0; text-align: left; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 24px; border-radius: 999px; border: 0; cursor: pointer;
  font-size: 16px; font-weight: 500; letter-spacing: -0.012em; text-decoration: none; white-space: nowrap;
  transition: background 0.15s, transform 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--black); outline-offset: 3px; }
.btn-primary { background: var(--black); color: #fff; }
.btn-primary:hover { background: #2a2a2a; }
.btn-secondary { background: var(--gray-btn); color: var(--black); }
.btn-secondary:hover { background: var(--gray-btn-hover); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: default; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 14px 40px; display: flex; align-items: center; gap: 32px; }
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo-icon { width: 30px; height: 30px; color: var(--black); margin-right: 4px; }
.logo-word { height: 20px; margin-top: -3px; }
.logo-pro {
  margin-left: 8px; font-family: var(--mono); font-size: 11px; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.04em; padding: 3px 7px; border-radius: 6px; background: var(--black); color: #fff;
}
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 15px; font-weight: 500; }
.nav-links a { text-decoration: none; color: var(--text); }
.nav-links a:hover { color: var(--black); }

/* Hero */
.hero { text-align: center; padding-top: 96px; padding-bottom: 96px; }
.hero h1 { max-width: 820px; margin: 0 auto; }
.hero .lede { max-width: 600px; margin: 24px auto 0; }
.actions { display: flex; gap: 10px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

/* Product mock */
.app {
  margin: 72px auto 0; max-width: 960px; text-align: left; background: #fff;
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.18);
}
.app-bar { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.dots { display: flex; gap: 6px; margin-right: 8px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.app-title { font-size: 14px; font-weight: 500; }
.app-meta { font-family: var(--mono); font-size: 12px; color: var(--mono-ink); }
.app-export {
  margin-left: auto; display: inline-flex; align-items: center; gap: 4px; height: 32px; padding: 0 10px 0 14px;
  border-radius: 999px; background: var(--black); color: #fff; font-size: 13px; font-weight: 500;
}
.app-export .ico { width: 16px; height: 16px; }
.app-body { display: grid; grid-template-columns: 200px 1fr; }
.app-side { display: flex; flex-direction: column; gap: 2px; padding: 16px 12px; border-right: 1px solid var(--line); background: #fbfbfb; }
.side-label { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: #9a9a9a; padding: 12px 8px 6px; }
.side-label:first-child { padding-top: 0; }
.side-item { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 7px 8px; border-radius: 8px; color: var(--text); }
.side-item .ico { width: 16px; height: 16px; }
.side-item.on { background: var(--gray-btn); color: var(--black); font-weight: 500; }
.app-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; padding: 16px; }
.tile {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 22px 4px 12px; border-radius: 12px; border: 1px solid var(--line); color: var(--black);
}
.tile svg { width: 28px; height: 28px; }
.tile .mono { font-size: 10.5px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile-new { position: absolute; top: 6px; right: 6px; font-family: var(--mono); font-size: 9px; font-weight: 500; text-transform: uppercase; padding: 1px 5px; border-radius: 4px; background: var(--black); color: #fff; }

/* Bands and cards */
.band { background: var(--band); padding: 112px 0; text-align: center; }
.section { padding-top: 112px; padding-bottom: 0; }
.section:has(+ .band) { padding-bottom: 112px; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; text-align: left; }
.card { background: var(--card); border-radius: 24px; padding: 36px; }
.card h3 { margin-bottom: 10px; }
.card p:not(.eyebrow) { color: var(--text); line-height: 1.45; }
.card-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }

.formula { display: flex; align-items: center; justify-content: center; gap: 12px; background: var(--band); border-radius: 18px; padding: 36px 16px; }
.cell { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 124px; padding: 24px 8px 14px; background: #fff; border-radius: 14px; color: var(--black); }
.cell .ico.big, .cell svg { width: 48px; height: 48px; }
.cell .mono { font-size: 11px; white-space: nowrap; }
.cell-result { outline: 1.5px solid var(--black); }
.op { font-size: 28px; color: #a5a5a5; font-weight: 300; }

.rename { display: flex; align-items: center; gap: 10px; margin-top: 28px; padding: 14px 16px; border-radius: 12px; background: var(--band); }
.rename .arrow { width: 16px; height: 16px; color: #9a9a9a; }
.rename .strong { color: var(--black); font-weight: 500; }
.mini-list { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-direction: column; gap: 8px; }
.mini-list li { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 12px; background: var(--band); font-size: 14px; font-weight: 500; }
.mini-list .mono { margin-left: auto; font-weight: 400; }

/* Export */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.rules { list-style: none; padding: 0; margin: 36px 0 0; }
.rules li { display: flex; gap: 16px; align-items: baseline; padding: 16px 0; border-top: 1px solid var(--line); }
.rules li:last-child { border-bottom: 1px solid var(--line); }
.rules strong { width: 130px; flex: none; font-weight: 500; color: var(--black); }
.rules span { color: var(--text); }
.code-stack { display: flex; flex-direction: column; gap: 12px; }
.code { position: relative; background: var(--dark); color: #e9e9e9; border-radius: 20px; padding: 48px 28px 28px; }
.code-label { position: absolute; top: 20px; left: 28px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: #8d8d8d; }
.code pre { margin: 0; font: 13px/1.7 var(--mono); white-space: pre-wrap; word-break: break-word; }
.code .c { color: #8d8d8d; }
.code .d { color: #9fe2b0; }
.code-light { background: var(--band); color: var(--ink); padding-top: 28px; }
.code-light .k { color: #7a3ff2; }
.code-light .s { color: #1a7f4b; }
.code-light .t { color: #1e5af6; }
.note { font-size: 14px; color: var(--text); padding: 0 4px; }

/* Dark card */
.dark { background: var(--dark); color: #fff; border-radius: 24px; padding: 100px 40px; text-align: center; }
.dark h2 { color: #fff; }
.dark .section-lede { color: #a9a9a9; }
.eyebrow-dark { color: #a9a9a9; }

/* Waitlist */
.join { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; text-align: left; }
.join-copy { position: sticky; top: 110px; }
.join-copy .section-lede { margin-top: 20px; }
.join-card { padding: 36px; }
.join-form { display: flex; flex-direction: column; gap: 26px; }
.q { display: flex; flex-direction: column; gap: 14px; border: 0; padding: 0; margin: 0; min-width: 0; }
/* a legend isn't a flex item, so it needs its own gap */
legend.q-label { margin-bottom: 14px; }
.q-label { font-size: 15px; font-weight: 500; color: var(--black); padding: 0; }
.optional { font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--mono-ink); margin-left: 6px; }
.input {
  height: 50px; width: 100%; padding: 0 18px; border-radius: 12px; border: 1px solid var(--line);
  background: #fff; outline: none; font-size: 16px; transition: border-color 0.15s, box-shadow 0.15s;
}
.input::placeholder { color: #9a9a9a; }
.input:focus { border-color: var(--black); box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06); }
.options { display: flex; flex-wrap: wrap; gap: 8px; }
.opt { position: relative; cursor: pointer; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span {
  display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: 999px;
  background: var(--gray-btn); font-size: 14px; font-weight: 500; color: var(--black); user-select: none; transition: background 0.15s;
}
.opt:hover span { background: var(--gray-btn-hover); }
.opt input:checked + span { background: var(--black); color: #fff; }
.opt input:focus-visible + span { outline: 2px solid var(--black); outline-offset: 2px; }
.error { color: #c0392b; font-size: 14px; }
.fine-print { font-family: var(--mono); font-size: 11px; color: var(--mono-ink); text-align: center; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.join-done { text-align: center; padding: 32px 0; }
.done-icon { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--black); color: #fff; margin-bottom: 20px; }
.done-icon .ico { width: 28px; height: 28px; }
.join-done h3 { margin-bottom: 8px; }
.join-done p { color: var(--text); }

/* Footer */
.footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 48px; padding-bottom: 48px; }
.footer .mono { max-width: 520px; text-align: right; }

@media (max-width: 960px) {
  h1 { font-size: 48px; }
  h2 { font-size: 40px; }
  .nav-links { display: none; }
  .nav-inner .btn { margin-left: auto; }
  .app-body { grid-template-columns: 1fr; }
  .app-side { display: none; }
  .app-grid { grid-template-columns: repeat(4, 1fr); }
  .card-wide, .split, .join { grid-template-columns: 1fr; gap: 32px; }
  .join-copy { position: static; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .nav-inner { padding: 12px 16px; gap: 12px; }
  .logo-word { height: 17px; }
  .logo-icon { width: 26px; height: 26px; }
  h1 { font-size: 40px; }
  h2 { font-size: 34px; }
  .lede, .section-lede { font-size: 16px; }
  .hero { padding-top: 56px; padding-bottom: 64px; }
  .actions .btn { flex: 1 1 100%; }
  .app { margin-top: 48px; border-radius: 16px; }
  .app-meta { display: none; }
  .app-grid { grid-template-columns: repeat(3, 1fr); padding: 10px; gap: 6px; }
  .band { padding: 72px 0; }
  .section { padding-top: 72px; }
  .section:has(+ .band) { padding-bottom: 72px; }
  .features { grid-template-columns: 1fr; margin-top: 40px; }
  .card, .join-card { padding: 24px 20px; }
  .card-wide { padding: 24px 14px; }
  .card-wide > * { min-width: 0; }
  .card-wide .card-copy { padding: 0 6px; }
  .formula { padding: 20px 6px; gap: 4px; }
  .cell { width: 72px; padding: 14px 2px 8px; gap: 8px; }
  .cell-result { width: 96px; }
  .cell .ico.big, .cell svg { width: 36px; height: 36px; }
  .cell .mono { font-size: 10px; }
  .op { font-size: 20px; }
  .rules strong { width: 90px; }
  .dark { padding: 64px 20px; border-radius: 20px; }
  .footer { flex-direction: column; align-items: flex-start; }
  .footer .mono { text-align: left; }
}