/* ============================================================
   EzSim — Design System
   Enterprise SaaS · deep navy + pink accent (from concept)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Archivo:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Neutrals — cool, slightly desaturated */
  --ink:        #0e172f;
  --ink-2:      #16223f;
  --ink-3:      #202d4d;
  --ink-4:      #2d3c63;

  --paper:      #ffffff;
  --paper-2:    #f2f5fc;
  --paper-3:    #e7ecf6;
  --line:       #e3e8f2;
  --line-2:     #d2dae8;
  --line-dark:  rgba(255,255,255,.10);
  --line-dark-2:rgba(255,255,255,.16);

  --text:       #0c1430;
  --text-muted: #59617a;
  --text-faint: #9da4b8;
  --text-ondark:        #e8ecf6;
  --text-ondark-muted:  #9da4b8;
  --text-ondark-faint:  #6b7591;

  /* Accent — pink (from concept) + supporting set */
  --lime:        #ec4899;
  --lime-bright: #f472b6;
  --lime-soft:   #fbe3f0;
  --lime-deep:   #be185d;
  --lime-ink:    #831843;
  --blue:        #4f7bff;
  --violet:      #8b5cf6;
  --emerald:     #00d492;

  /* Effects */
  --radius-xs: 7px;
  --radius-sm: 10px;
  --radius:    14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(14,23,47,.06), 0 1px 1px rgba(14,23,47,.04);
  --shadow:    0 4px 14px -4px rgba(14,23,47,.10), 0 2px 6px -2px rgba(14,23,47,.06);
  --shadow-lg: 0 24px 48px -16px rgba(14,23,47,.22), 0 8px 20px -8px rgba(14,23,47,.12);
  --shadow-glow: 0 0 0 1px rgba(236,72,153,.25), 0 8px 30px -6px rgba(236,72,153,.35);

  --maxw: 1180px;
  --maxw-wide: 1320px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Archivo', system-ui, sans-serif;
  color: var(--text);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,h2,h3,h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text);
  text-wrap: balance;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- Layout primitives ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.wrap-wide { max-width: var(--maxw-wide); margin: 0 auto; padding: 0 32px; }

.section { padding: 120px 0; }
.section-sm { padding: 84px 0; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--lime);
  border-radius: 2px;
  box-shadow: 0 0 0 3px rgba(236,72,153,.18);
}
.eyebrow.on-dark { color: var(--text-ondark-faint); }

.section-head { max-width: 720px; }
.section-head h2 {
  font-size: clamp(32px, 4vw, 52px);
  margin: 20px 0 0;
}
.section-head p {
  margin-top: 18px;
  font-size: 19px;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 600px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  transition: transform .25s var(--ease), background .2s, box-shadow .25s, color .2s, border-color .2s;
  white-space: nowrap;
  line-height: 1;
}
.btn svg { width: 17px; height: 17px; }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; box-shadow: var(--shadow); transform: translateY(-1px); }

.btn-lime { background: var(--lime); color: #fff; }
.btn-lime:hover { background: var(--lime-bright); box-shadow: var(--shadow-glow); transform: translateY(-1px); }

.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--ink); transform: translateY(-1px); }

.btn-ghost-dark { background: transparent; color: var(--text-ondark); box-shadow: inset 0 0 0 1px var(--line-dark-2); }
.btn-ghost-dark:hover { box-shadow: inset 0 0 0 1px rgba(255,255,255,.4); background: rgba(255,255,255,.04); }

.btn-lg { padding: 17px 28px; font-size: 16.5px; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: 15.5px; color: var(--text);
  transition: gap .25s var(--ease);
}
.arrow-link svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.arrow-link:hover { gap: 11px; }
.arrow-link.lime { color: var(--lime-deep); }

/* ---------- Top nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw-wide); margin: 0 auto; padding: 0 32px;
  height: 72px; display: flex; align-items: center; gap: 40px;
}
.brand { display: flex; align-items: center; gap: 11px; font-family: 'Space Grotesk'; font-weight: 600; font-size: 21px; letter-spacing: -0.03em; }
.brand .mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  position: relative;
}
.brand .mark svg { width: 18px; height: 18px; }
.brand .mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand b { color: var(--lime-deep); font-weight: 600; }

.nav-links { display: flex; align-items: center; gap: 30px; margin-left: 8px; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--text-muted);
  transition: color .2s; position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav-cta .signin { font-size: 15px; font-weight: 500; color: var(--text-muted); transition: color .2s; }
.nav-cta .signin:hover { color: var(--text); }

/* Light nav text when sitting over a dark hero (un-scrolled) */
body[data-nav="dark"] .nav:not(.scrolled) .brand { color: #fff; }
body[data-nav="dark"] .nav:not(.scrolled) .brand b { color: var(--lime); }
body[data-nav="dark"] .nav:not(.scrolled) .nav-links a,
body[data-nav="dark"] .nav:not(.scrolled) .nav-cta .signin { color: var(--text-ondark-muted); }
body[data-nav="dark"] .nav:not(.scrolled) .nav-links a:hover,
body[data-nav="dark"] .nav:not(.scrolled) .nav-links a.active,
body[data-nav="dark"] .nav:not(.scrolled) .nav-cta .signin:hover { color: #fff; }

.nav-toggle { display: none; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }
.reveal-d5 { transition-delay: .40s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: var(--text-ondark); padding: 80px 0 40px; }
.footer .wrap-wide { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
.footer .brand { color: #fff; }
.footer .brand b { color: var(--lime); }
.footer-tag { margin-top: 18px; color: var(--text-ondark-muted); font-size: 15px; max-width: 280px; }
.footer-col h5 { font-family: 'JetBrains Mono'; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--text-ondark-faint); font-weight: 500; margin-bottom: 18px; }
.footer-col a { display: block; color: var(--text-ondark-muted); font-size: 15px; padding: 6px 0; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--maxw-wide); margin: 56px auto 0; padding: 28px 32px 0;
  border-top: 1px solid var(--line-dark);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-ondark-faint); font-size: 14px;
}
.footer-bottom .mono { font-family: 'JetBrains Mono'; letter-spacing: .04em; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .footer .wrap-wide { grid-template-columns: 1fr 1fr; gap: 36px; }
  .section { padding: 84px 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap, .wrap-wide { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .footer .wrap-wide { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 14px; align-items: flex-start; padding: 24px 20px 0; }
}

/* ---------- Trust bar (shared) ---------- */
.trust { padding: 44px 0; border-bottom: 1px solid var(--line); background: var(--paper); }
.trust-lab { font-family: 'JetBrains Mono'; font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--text-faint); text-align: center; }
.trust-logos {
  margin-top: 26px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 18px 52px;
}
.trust-logos .logo {
  display: flex; align-items: center; gap: 9px;
  font-family: 'Space Grotesk'; font-weight: 600; font-size: 18px;
  color: var(--text-faint); letter-spacing: -0.02em;
  opacity: .9; transition: color .25s, opacity .25s;
}
.trust-logos .logo:hover { color: var(--text); opacity: 1; }
.trust-logos .logo .ic { width: 18px; height: 18px; color: var(--text-faint); }

/* ---------- Final CTA ---------- */
.cta {
  background: var(--ink); color: #fff;
  position: relative; overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(80% 120% at 50% 0%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(80% 120% at 50% 0%, #000, transparent 70%);
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 760px; margin: 0 auto; }
.cta h2 { color: #fff; font-size: clamp(34px, 4.4vw, 60px); }
.cta h2 .accent { color: var(--lime); }
.cta p { margin: 22px auto 0; font-size: 20px; color: var(--text-ondark-muted); max-width: 560px; }
.cta-btns { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute; left: 12px; top: -64px; z-index: 1000;
  background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 9px;
  font-family: 'Archivo', system-ui, sans-serif; font-weight: 600; font-size: 14px;
  text-decoration: none; transition: top .18s ease;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------- About: product showcase image ---------- */
.twin-showcase {
  margin: 0 auto; max-width: 980px;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow); background: var(--ink);
}
.twin-showcase img { width: 100%; height: auto; display: block; }