/* Aelvyn site styles.
   Layout, spacing, type scale, neutrals and radii follow the saved Zoho design system
   (white-first, flat, plain). Brand color, logo and font are Aelvyn's own. */
:root {
  /* Brand (Aelvyn) */
  --brand: #4F46E5;          /* CTAs, links, accents. 6.3:1 on white */
  --brand-hover: #4338CA;
  --brand-tint: #EEF0FF;     /* icon tiles, subtle highlights */
  --on-brand: #FFFFFF;

  /* Neutrals (Zoho system) */
  --surface: #FFFFFF;
  --surface-alt: #FAFAFA;
  --surface-header: #F1F1F1;
  --ink: #000000;
  --ink-secondary: #333333;
  --ink-muted: #666666;
  --border: #D5D5D5;
  --border-strong: #767676;

  /* Status (always paired with a word) */
  --ok-bg: #E8F5EE;  --ok-ink: #05612E;
  --wait-bg: #FFF4DB; --wait-ink: #7A4D00;

  /* Spacing scale */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;

  /* Radii */
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 12px;

  --max: 1160px;
  --font: "Inter", -apple-system, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font); font-size: 16px; line-height: 24px;
  color: var(--ink-secondary); background: var(--surface);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* Type scale (Zoho system) */
h1, h2, h3 { color: var(--ink); letter-spacing: -0.01em; }
.display { font-size: 56px; line-height: 64px; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 40px; line-height: 48px; font-weight: 700; margin-bottom: var(--space-4); }
h3 { font-size: 20px; line-height: 28px; font-weight: 600; margin-bottom: var(--space-2); }
.lead { font-size: 18px; line-height: 28px; color: var(--ink-secondary); max-width: 680px; }
.small { font-size: 14px; line-height: 20px; }
.eyebrow {
  display: inline-block; font-size: 14px; line-height: 20px; font-weight: 600;
  color: var(--brand); margin-bottom: var(--space-3);
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
section { padding: 88px 0; }
.band { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.center { text-align: center; }
.center .lead { margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-md);
  font: 600 16px/24px var(--font); border: 1px solid transparent; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--ink); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 22px; letter-spacing: -0.03em; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.nav-links { display: flex; align-items: center; gap: var(--space-6); list-style: none; }
.nav-links a { color: var(--ink-secondary); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links .btn { padding: var(--space-2) var(--space-4); font-size: 15px; color: var(--on-brand); }

/* Hero */
.hero { padding: 96px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-7); align-items: center; }
.hero .display { margin-bottom: var(--space-5); }
.hero .display .accent { color: var(--brand); }
.hero .lead { margin-bottom: var(--space-6); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-5); border-radius: var(--radius-sm); background: var(--brand-tint);
  font-size: 14px; line-height: 20px; font-weight: 600; color: var(--brand-hover);
}

/* Activity panel */
.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.panel-title { font-size: 14px; line-height: 20px; font-weight: 600; color: var(--ink-muted); margin-bottom: var(--space-2); }
.panel .row {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-3);
  padding: var(--space-3) 0; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--ink-secondary);
}
.panel .row:last-child { border-bottom: 0; padding-bottom: 0; }
.tag { flex: none; font-size: 12px; line-height: 16px; font-weight: 600; padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); }
.tag-done { background: var(--ok-bg); color: var(--ok-ink); }
.tag-review { background: var(--wait-bg); color: var(--wait-ink); }

/* Grids & cards */
.grid { display: grid; gap: var(--space-5); margin-top: var(--space-7); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: var(--space-5);
}
.card p { color: var(--ink-secondary); }
.icon {
  width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--brand-tint); color: var(--brand);
  display: grid; place-items: center; margin-bottom: var(--space-4); flex: none;
}
.icon svg { width: 22px; height: 22px; }
.step-num {
  width: 32px; height: 32px; border-radius: var(--radius-sm); background: var(--brand); color: var(--on-brand);
  display: grid; place-items: center; font-weight: 700; font-size: 15px; margin-bottom: var(--space-4);
}

/* Problem */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.problem-list { list-style: none; margin-top: var(--space-6); display: grid; gap: var(--space-4); }
.problem-list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.problem-list svg { width: 20px; height: 20px; color: var(--ink-muted); flex: none; margin-top: 2px; }

/* Contact */
.contact-item { display: flex; gap: var(--space-4); align-items: flex-start; margin-top: var(--space-5); }
.contact-item .icon { margin: 0; }
.contact-item strong { display: block; color: var(--ink); font-weight: 600; }

/* Early access form */
form.wl-form {
  margin: var(--space-7) auto 0; max-width: 640px; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6);
  text-align: left;
}
.wl-form label { display: grid; gap: 6px; font-size: 14px; line-height: 20px; font-weight: 600; color: var(--ink); min-width: 0; }
.wl-form .full { grid-column: 1 / -1; }
.wl-form input, .wl-form select {
  font: 400 16px/24px var(--font); width: 100%; min-width: 0; padding: 10px var(--space-3);
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink);
}
.wl-form input:focus, .wl-form select:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: var(--brand); }
.form-note { grid-column: 1 / -1; text-align: center; font-size: 12px; line-height: 16px; font-weight: 500; color: var(--ink-muted); }

/* Footer */
footer { background: var(--surface-alt); border-top: 1px solid var(--border); padding: var(--space-7) 0 var(--space-6); font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-5); align-items: center; }
footer nav { display: flex; gap: var(--space-5); flex-wrap: wrap; }
footer nav a { color: var(--ink-secondary); }
.copyright { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--border); font-size: 12px; line-height: 16px; }

/* Legal pages */
.legal { padding: 72px 0; }
.legal .container { max-width: 780px; }
.legal h1 { font-size: 40px; line-height: 48px; font-weight: 700; margin-bottom: var(--space-2); }
.legal h2 { font-size: 20px; line-height: 28px; font-weight: 600; margin: var(--space-6) 0 var(--space-2); }
.legal p, .legal li { margin-bottom: var(--space-3); }
.legal ul { padding-left: 22px; }
.updated { color: var(--ink-muted); margin-bottom: var(--space-6); }

/* Responsive */
.split > *, .grid > *, .hero-grid > * { min-width: 0; }
@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .split, .hero-grid { grid-template-columns: 1fr; gap: var(--space-7); }
}
@media (max-width: 680px) {
  section { padding: 64px 0; }
  .hero { padding: 56px 0 64px; }
  .display { font-size: 38px; line-height: 46px; }
  h2 { font-size: 28px; line-height: 36px; }
  .nav-links li:not(:last-child) { display: none; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  form.wl-form { grid-template-columns: 1fr; padding: var(--space-5); }
}

/* Founder */
.founder { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-5); }
.founder-avatar {
  width: 48px; height: 48px; border-radius: 50%; background: var(--brand-tint); color: var(--brand-hover);
  display: grid; place-items: center; font-weight: 700; font-size: 16px; flex: none;
}
.founder strong { display: block; color: var(--ink); font-weight: 600; }
.founder span { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
footer .copyright a { color: var(--ink-muted); }

/* ---------- v2: product preview, integrations, use cases, FAQ, pages ---------- */

/* App window mockup */
.app {
  border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface);
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(0,0,0,.06); overflow: hidden; font-size: 13px; line-height: 18px;
}
.app-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--surface-alt); }
.app-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border); display: block; }
.app-bar span { margin-left: 10px; color: var(--ink-muted); font-size: 12px; }
.app-body { display: grid; grid-template-columns: 150px 1fr; min-height: 340px; }
.app-side { border-right: 1px solid var(--border); padding: 14px 10px; background: var(--surface-alt); }
.app-side b { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); margin: 0 6px 14px; }
.app-side b img { width: 20px; height: 20px; }
.app-side a { display: flex; justify-content: space-between; padding: 7px 8px; border-radius: var(--radius-sm); color: var(--ink-secondary); }
.app-side a:hover { text-decoration: none; }
.app-side a.on { background: var(--brand-tint); color: var(--brand-hover); font-weight: 600; }
.app-side em { font-style: normal; font-size: 11px; background: var(--brand); color: #fff; border-radius: 10px; padding: 0 6px; }
.app-main { padding: 16px; display: grid; gap: 12px; align-content: start; }
.app-main h4 { font-size: 14px; color: var(--ink); }
.approval { border: 1px solid var(--border); border-radius: var(--radius-md); padding: 12px; }
.approval .meta { color: var(--ink-muted); font-size: 12px; margin-bottom: 6px; }
.approval .draft { background: var(--surface-alt); border-radius: var(--radius-sm); padding: 8px 10px; color: var(--ink-secondary); margin: 8px 0 10px; }
.approval .acts { display: flex; gap: 6px; }
.mini-btn { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); color: var(--ink); background: var(--surface); }
.mini-btn.pri { background: var(--brand); border-color: var(--brand); color: #fff; }
.feed .row { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--border); color: var(--ink-secondary); }
.feed .row:last-child { border-bottom: 0; }
.caption { font-size: 12px; line-height: 16px; color: var(--ink-muted); margin-top: var(--space-2); text-align: center; }

/* Integrations */
.logos { padding: var(--space-7) 0; border-top: 1px solid var(--border); }
.logos p { text-align: center; font-size: 14px; font-weight: 600; color: var(--ink-muted); margin-bottom: var(--space-4); }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); }
.chip { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 12px; font-size: 14px; font-weight: 500; color: var(--ink-secondary); background: var(--surface); }
.logos .caption { margin-top: var(--space-4); }

/* Workflow walkthrough */
.flow { list-style: none; margin-top: var(--space-7); display: grid; gap: 0; max-width: 760px; margin-left: auto; margin-right: auto; }
.flow li { display: grid; grid-template-columns: 64px 24px 1fr; gap: var(--space-3); align-items: start; }
.flow time { font-size: 13px; color: var(--ink-muted); padding-top: 2px; text-align: right; font-variant-numeric: tabular-nums; }
.flow .dot { position: relative; height: 100%; }
.flow .dot::before { content: ""; position: absolute; left: 7px; top: 5px; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }
.flow .dot::after { content: ""; position: absolute; left: 11px; top: 18px; bottom: -6px; width: 2px; background: var(--border); }
.flow li:last-child .dot::after { display: none; }
.flow .txt { padding-bottom: var(--space-5); }
.flow .txt strong { display: block; color: var(--ink); }
.flow .who { font-size: 12px; font-weight: 600; color: var(--brand-hover); }
.flow .who.you { color: var(--wait-ink); }

/* Use cases */
.case h3 { margin-top: 0; }
.case .eg { margin-top: var(--space-3); font-size: 14px; line-height: 20px; color: var(--ink-muted); border-top: 1px solid var(--border); padding-top: var(--space-3); }

/* Roadmap */
.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-top: var(--space-7); }
.roadmap .card { position: relative; }
.roadmap .when { font-size: 13px; font-weight: 600; color: var(--ink-muted); margin-bottom: var(--space-2); }
.roadmap .now { border-color: var(--brand); }
.roadmap .now .when { color: var(--brand); }

/* FAQ */
.faq { max-width: 780px; margin: var(--space-7) auto 0; }
.faq details { border-bottom: 1px solid var(--border); padding: var(--space-4) 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: var(--space-4); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 20px; color: var(--ink-muted); line-height: 24px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: var(--space-2); color: var(--ink-secondary); }

/* Founder card with photo */
.founder-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.person { display: flex; gap: var(--space-4); align-items: center; }
.person .founder-avatar { width: 72px; height: 72px; font-size: 22px; }
.person strong { display: block; color: var(--ink); font-size: 18px; }
.person span { color: var(--ink-muted); font-size: 14px; }

/* Page header for inner pages */
.page-head { padding: 72px 0 48px; border-bottom: 1px solid var(--border); background: var(--surface-alt); }
.page-head h1 { font-size: 48px; line-height: 56px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-3); }
.prose { max-width: 720px; }
.prose h2 { font-size: 28px; line-height: 36px; margin: var(--space-7) 0 var(--space-3); }
.prose h3 { margin-top: var(--space-5); }
.prose p, .prose li { margin-bottom: var(--space-4); font-size: 17px; line-height: 28px; }
.prose ul, .prose ol { padding-left: 22px; }
.map { width: 100%; height: 320px; border: 1px solid var(--border); border-radius: var(--radius-lg); margin-top: var(--space-5); }

/* Blog */
.post-card { display: block; color: inherit; }
.post-card:hover { text-decoration: none; border-color: var(--border-strong); }
.post-meta { font-size: 13px; color: var(--ink-muted); margin-bottom: var(--space-2); }
.post-card h3 { font-size: 20px; }
.article-head { padding: 72px 0 32px; }
.article-head h1 { font-size: 44px; line-height: 52px; font-weight: 700; letter-spacing: -0.02em; max-width: 820px; margin: var(--space-3) 0; }
.byline { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-5); font-size: 14px; color: var(--ink-muted); }
.byline .founder-avatar { width: 40px; height: 40px; font-size: 14px; }
.byline strong { color: var(--ink); display: block; }
.article-cta { margin-top: var(--space-7); padding: var(--space-6); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-alt); }

/* Footer columns */
.footer-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: var(--space-6); }
.footer-cols h4 { font-size: 14px; color: var(--ink); margin-bottom: var(--space-3); }
.footer-cols ul { list-style: none; display: grid; gap: var(--space-2); }
.footer-cols a { color: var(--ink-secondary); }
.footer-cols p { color: var(--ink-muted); margin-top: var(--space-3); max-width: 280px; }
.social { display: inline-flex; margin-top: var(--space-4); width: 32px; height: 32px; border-radius: var(--radius-sm); border: 1px solid var(--border); align-items: center; justify-content: center; color: var(--ink-secondary); }
.social svg { width: 16px; height: 16px; }
.nav-links a.active { color: var(--ink); font-weight: 600; }
.form-ok { grid-column: 1 / -1; text-align: center; font-weight: 600; color: var(--ok-ink); background: var(--ok-bg); border-radius: var(--radius-sm); padding: var(--space-3); display: none; }

@media (max-width: 1000px) {
  .roadmap { grid-template-columns: 1fr 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .app-body { grid-template-columns: 1fr; }
  .app-side { display: none; }
  .roadmap, .footer-cols { grid-template-columns: 1fr; }
  .page-head h1, .article-head h1 { font-size: 34px; line-height: 42px; }
  .flow li { grid-template-columns: 48px 20px 1fr; }
}
.founder-avatar { position: relative; overflow: hidden; }
.founder-avatar img { position: absolute; inset: 0; }