/* lunchmoney.sh — flat, light, notebook-style landing page */

:root {
  --bg: #f7f9fb;
  --ink: #102431;
  --accent: #2e596b;
  --green: #216750;
  --line: #d8e1e5;
  --secondary: #56666f;
  --surface: #ffffff;
  --surface-tint: #eef3f5;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.9rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--ink);
}

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

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.muted {
  color: var(--secondary);
  font-size: 0.95rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 10;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 12px;
}

/* Nav */

.site-nav {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 60px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
}

.wordmark:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  margin-left: auto;
}

.nav-links a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.nav-flag {
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

/* Hero */

.hero {
  padding: 72px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: start;
}

.eyebrow {
  color: var(--green);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75em;
}

.lede {
  font-size: 1.12rem;
  color: var(--secondary);
  max-width: 34em;
}

.status-line {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 0.98rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  background: var(--surface);
  padding: 12px 16px;
  margin: 1.4em 0 1.8em;
  max-width: 34em;
}

.status-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  transform: translateY(-1px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 1rem;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--surface);
}

.btn-primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}

.btn-quiet {
  background: transparent;
  color: var(--accent);
  border-color: var(--line);
}

.btn-quiet:hover {
  color: var(--ink);
  border-color: var(--secondary);
}

/* Chat preview */

.preview-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.preview-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.preview-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.preview-note {
  color: var(--secondary);
  font-size: 0.8rem;
}

.preview-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}

.tab {
  font: inherit;
  font-size: 0.92rem;
  color: var(--secondary);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 16px;
  cursor: pointer;
}

.tab:hover {
  color: var(--ink);
  border-color: var(--secondary);
}

.tab[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface);
}

.preview-body {
  padding: 18px;
  min-height: 300px;
}

.panel[hidden] {
  display: none;
}

.msg {
  max-width: 92%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 0 0 12px;
  font-size: 0.95rem;
}

.msg p:last-child {
  margin-bottom: 0;
}

.msg-user {
  margin-left: auto;
  background: var(--surface-tint);
  border-bottom-right-radius: 3px;
}

.msg-assistant {
  margin-right: auto;
  background: var(--surface);
  border-bottom-left-radius: 3px;
}

.msg-meta {
  color: var(--secondary);
  font-size: 0.8rem;
  margin-top: 10px;
  margin-bottom: 0;
}

.ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 8px;
}

.ledger th,
.ledger td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
}

.ledger th {
  color: var(--secondary);
  font-weight: 600;
}

.ledger tbody tr:last-child td {
  border-bottom: 0;
}

.ledger .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ledger .over {
  color: #a33b2e;
}

.preview-foot {
  margin: 0;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  color: var(--secondary);
  font-size: 0.8rem;
}

/* Sections */

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--surface-tint);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-lede {
  color: var(--secondary);
  font-size: 1.08rem;
  max-width: 38em;
  margin-bottom: 2em;
}

/* Steps */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.steps li {
  counter-increment: step;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  position: relative;
}

.steps li::before {
  content: counter(step);
  display: inline-block;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}

.steps p:last-child {
  margin-bottom: 0;
}

.tag {
  display: inline-block;
  vertical-align: middle;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 9px;
  margin-left: 4px;
  transform: translateY(-1px);
}

.endpoint {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  background: var(--surface-tint);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 12px;
}

/* Security split */

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px;
}

.checklist {
  margin: 0 0 16px;
  padding-left: 1.2em;
}

.checklist li {
  margin-bottom: 10px;
}

.card-note {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-bottom: 0;
  color: var(--secondary);
  font-size: 0.92rem;
}

/* FAQ */

.faq-list {
  max-width: 44em;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.faq-list details:first-of-type {
  border-top: 1px solid var(--line);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.faq-list summary::before {
  content: "+";
  font-family: var(--serif);
  color: var(--accent);
  font-size: 1.2rem;
  flex: none;
}

.faq-list details[open] summary::before {
  content: "–";
}

.faq-list details p {
  margin: 12px 0 0;
  color: var(--secondary);
  max-width: 40em;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 56px;
}

.footer-inner p {
  max-width: 46em;
}

/* Responsive */

@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps,
  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .hero {
    padding: 48px 0 56px;
  }

  .section {
    padding: 52px 0;
  }

  .nav-inner {
    flex-wrap: wrap;
    padding: 10px 0;
    gap: 10px 16px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 16px;
  }

  .nav-flag {
    margin-left: auto;
  }

  .preview-head {
    flex-direction: column;
    gap: 2px;
  }

  .msg {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}