/* ============================================================
   Cirtava Technologies LLC — corporate site
   Built on the Dzella design system tokens (forest accent on
   white/cream, charcoal ink, Inter). Restrained & professional.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  /* ---- surfaces ---- */
  --bg-page:   #ffffff;
  --bg-cream:  #fbf7f1;
  --bg-soft:   #f6f1e8;
  --bg-card:   #ffffff;

  /* ---- ink ---- */
  --fg-1: #14181d;   /* headings */
  --fg-2: #353b43;   /* body */
  --fg-3: #646c77;   /* secondary */
  --fg-4: #99a1ab;   /* tertiary */

  /* ---- accent: forest (primary), clay (sparingly) ---- */
  --accent:      #0f6b58;
  --accent-ink:  #0a4f41;
  --accent-tint: #dceee8;
  --clay:        #d2622c;
  --clay-tint:   #fcebdd;

  /* ---- borders ---- */
  --border-1: #e8e2d5;
  --border-2: #d8d2c4;

  --success:    #0f6b58;
  --success-bg: #d8ece6;

  /* ---- type ---- */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* ---- radii ---- */
  --r-sm: 8px;  --r-md: 12px; --r-lg: 16px; --r-xl: 24px; --r-pill: 999px;

  /* ---- spacing ---- */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px; --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px;
  --s-16: 64px; --s-20: 80px; --s-24: 96px;

  --maxw: 1280px;
  --pad-x: 24px;

  /* ---- shadows (warm, soft) ---- */
  --shadow-sm:   0 1px 2px rgba(20,14,8,0.04), 0 4px 12px rgba(20,14,8,0.05);
  --shadow-card: 0 1px 2px rgba(20,14,8,0.04), 0 10px 30px rgba(20,14,8,0.06);
  --shadow-pop:  0 8px 20px rgba(20,14,8,0.08), 0 30px 60px rgba(20,14,8,0.10);

  --ease: cubic-bezier(0.2, 0, 0, 1);
  --dur: 180ms;
}

/* ============ reset / base ============ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--fg-2);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img, svg { max-width: 100%; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3, h4 { margin: 0; color: var(--fg-1); letter-spacing: -0.02em; line-height: 1.12; }
p { margin: 0; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 var(--r-md) 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

.eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
}

/* ============ header / nav ============ */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(1.3) blur(12px);
  border-bottom: 1px solid var(--border-1);
}
.site-header .container { max-width: var(--maxw); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: var(--s-4);
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: var(--accent); color: #fff; display: grid; place-items: center;
  font-weight: 900; font-size: 1.15rem; letter-spacing: -0.04em;
  box-shadow: 0 2px 8px rgba(15,107,88,0.28);
}
.brand-name { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name .b1 { font-size: 1.12rem; font-weight: 800; color: var(--fg-1); letter-spacing: -0.02em; }
.brand-name .b2 { font-size: 0.66rem; font-weight: 600; color: var(--fg-3); letter-spacing: 0.08em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 9px 15px; border-radius: var(--r-pill); font-size: 0.93rem; font-weight: 600;
  color: var(--fg-2); transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-link:hover { background: var(--bg-soft); color: var(--fg-1); }
.nav-link[aria-current="page"] { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: var(--s-3); }

.nav-toggle { display: none; }
.mobile-menu { display: none; }
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-right .btn-nav { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: var(--r-md);
    background: var(--bg-card); border: 1px solid var(--border-1); color: var(--fg-1);
  }
  .nav-toggle svg { width: 20px; height: 20px; }
  .mobile-menu {
    display: none; flex-direction: column; gap: 2px;
    padding: var(--s-3) var(--pad-x) var(--s-6);
    border-top: 1px solid var(--border-1); background: var(--bg-page);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu .nav-link { width: 100%; font-size: 1.05rem; padding: 14px 14px; }
  .mobile-menu .btn { margin-top: var(--s-3); }
}

/* ============ buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 20px; border-radius: var(--r-pill); font-weight: 700; font-size: 0.94rem;
  border: 1px solid transparent; white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease), color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-ghost { background: var(--bg-card); color: var(--fg-1); border-color: var(--border-2); }
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--fg-4); }
.btn-soft { background: var(--accent-tint); color: var(--accent-ink); }
.btn-soft:hover { background: color-mix(in srgb, var(--accent-tint) 65%, var(--accent) 14%); }
.btn-lg { padding: 15px 26px; font-size: 1rem; }
.btn-disabled {
  background: var(--bg-soft); color: var(--fg-4); border-color: var(--border-1);
  cursor: not-allowed; pointer-events: none;
}

/* ============ pills ============ */
.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px;
  border-radius: var(--r-pill); font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.02em; background: var(--accent-tint); color: var(--accent-ink);
}
.pill.soon { background: var(--bg-soft); color: var(--fg-3); }
.pill.live { background: var(--success-bg); color: var(--success); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ============ section scaffolding ============ */
.section { padding-block: var(--s-24); }
.section-tight { padding-block: var(--s-16); }
.section.cream { background: var(--bg-cream); }
.section-head { max-width: 660px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { display: block; margin-bottom: var(--s-4); }
.section-title { font-size: clamp(1.8rem, 1.2rem + 2.2vw, 2.7rem); font-weight: 800; }
.section-lead { margin-top: var(--s-5); font-size: 1.1rem; line-height: 1.65; color: var(--fg-3); }

.home-main > .section > .container,
.home-main > .section-tight > .container {
  max-width: var(--maxw);
}

/* ============ hero ============ */
.hero {
  position: relative; overflow: hidden;
  padding-block: var(--s-24) var(--s-20);
  background:
    radial-gradient(1100px 480px at 82% -10%, rgba(15,107,88,0.07), transparent 60%),
    linear-gradient(180deg, var(--bg-cream), var(--bg-page) 72%);
  border-bottom: 1px solid var(--border-1);
}
.hero .container { max-width: var(--maxw); }
.hero-inner { max-width: var(--maxw); }
.hero .eyebrow { display: block; margin-bottom: var(--s-5); }
.hero h1 {
  font-size: clamp(2.4rem, 1.5rem + 4vw, 4rem); font-weight: 900; letter-spacing: -0.035em;
  line-height: 1.02; color: var(--fg-1);
}
.hero .sub { margin-top: var(--s-5); font-size: clamp(1.15rem, 1rem + 0.9vw, 1.6rem); font-weight: 600; color: var(--accent-ink); }
.hero .desc { margin-top: var(--s-5); font-size: 1.12rem; line-height: 1.65; color: var(--fg-3); max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-8); }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-8); margin-top: var(--s-10); }
.hero-meta .m { display: flex; align-items: center; gap: 9px; color: var(--fg-3); font-size: 0.92rem; font-weight: 600; }
.hero-meta .m svg { width: 18px; height: 18px; color: var(--accent); flex: none; }

@media (min-width: 1200px) {
  .hero {
    padding-block: var(--s-24) var(--s-20);
  }
  .hero h1 {
    max-width: 1180px;
  }
}

/* ============ about ============ */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--s-16); align-items: start; }
.about-copy p { font-size: 1.18rem; line-height: 1.7; color: var(--fg-2); }
.about-copy p + p { margin-top: var(--s-5); }
.facts { display: grid; gap: var(--s-3); }
.fact {
  display: flex; gap: 14px; align-items: flex-start;
  padding: var(--s-5); border: 1px solid var(--border-1); border-radius: var(--r-lg); background: var(--bg-card);
}
.fact .ico { flex: none; width: 40px; height: 40px; border-radius: var(--r-md); display: grid; place-items: center; background: var(--accent-tint); color: var(--accent); }
.fact .ico svg { width: 20px; height: 20px; }
.fact .label { font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-4); }
.fact .val { font-size: 1.02rem; font-weight: 700; color: var(--fg-1); margin-top: 2px; }
.fact .val span { display: block; font-weight: 500; color: var(--fg-3); font-size: 0.95rem; }
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; gap: var(--s-10); } }

/* ============ apps ============ */
.apps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-6); margin-top: var(--s-12); }
.app-card {
  display: flex; flex-direction: column; gap: var(--s-4);
  padding: var(--s-8); border: 1px solid var(--border-1); border-radius: var(--r-lg);
  background: var(--bg-card); box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: var(--border-2); }
.app-card .app-top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.app-logo {
  width: 56px; height: 56px; border-radius: 15px; flex: none;
  display: grid; place-items: center; font-weight: 900; font-size: 1.5rem; color: #fff; letter-spacing: -0.04em;
  box-shadow: var(--shadow-sm);
}
.app-card h3 { font-size: 1.4rem; font-weight: 800; }
.app-card .app-desc { color: var(--fg-3); font-size: 1.02rem; line-height: 1.55; }
.app-card .app-foot { margin-top: auto; padding-top: var(--s-2); display: flex; align-items: center; gap: var(--s-3); }
.app-card.placeholder {
  background: var(--bg-cream); border-style: dashed; box-shadow: none; align-items: flex-start;
  justify-content: center; text-align: left;
}
.app-card.placeholder:hover { transform: none; box-shadow: none; }
.app-card.placeholder h3 { font-size: 1.25rem; color: var(--fg-2); }
@media (max-width: 720px) { .apps-grid { grid-template-columns: 1fr; gap: var(--s-4); } }

/* ============ company info band ============ */
.info-band { background: var(--accent); color: #fff; }
.info-band .section-title { color: #fff; }
.info-band .eyebrow { color: rgba(255,255,255,0.72); }
.info-band .section-lead { color: rgba(255,255,255,0.85); }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); margin-top: var(--s-12); }
.info-cell {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--r-lg); padding: var(--s-6);
}
.info-cell .ico { width: 38px; height: 38px; border-radius: var(--r-sm); display: grid; place-items: center; background: rgba(255,255,255,0.14); margin-bottom: var(--s-4); }
.info-cell .ico svg { width: 19px; height: 19px; color: #fff; }
.info-cell .label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: rgba(255,255,255,0.7); }
.info-cell .val { margin-top: 6px; font-size: 1.05rem; font-weight: 700; color: #fff; line-height: 1.45; }
.info-cell .val a { color: #fff; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(255,255,255,0.4); }
.info-cell .val a:hover { text-decoration-color: #fff; }
@media (max-width: 820px) { .info-grid { grid-template-columns: 1fr; } }

/* ============ CTA strip ============ */
.cta-strip {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); flex-wrap: wrap;
  padding: var(--s-12); border: 1px solid var(--border-1); border-radius: var(--r-xl);
  background: var(--bg-cream); box-shadow: var(--shadow-card);
}
.cta-strip h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); font-weight: 800; }
.cta-strip p { margin-top: var(--s-3); color: var(--fg-3); font-size: 1.05rem; }
.cta-strip .cta-actions { display: flex; gap: var(--s-3); flex-wrap: wrap; }

/* ============ page header (sub pages) ============ */
.page-head {
  background: linear-gradient(180deg, var(--bg-cream), var(--bg-page));
  border-bottom: 1px solid var(--border-1);
  padding-block: var(--s-16) var(--s-12);
}
.page-head .eyebrow { display: block; margin-bottom: var(--s-4); }
.page-head h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); font-weight: 900; letter-spacing: -0.03em; }
.page-head .lead { margin-top: var(--s-4); font-size: 1.12rem; color: var(--fg-3); max-width: 60ch; }
.page-head .updated { margin-top: var(--s-5); font-size: 0.9rem; font-weight: 600; color: var(--fg-4); }

/* ============ contact ============ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--s-12); align-items: start; }
.contact-list { display: flex; flex-direction: column; gap: var(--s-5); }
.contact-row { display: flex; gap: 16px; align-items: flex-start; }
.contact-row .ico { flex: none; width: 46px; height: 46px; border-radius: var(--r-md); display: grid; place-items: center; background: var(--accent-tint); color: var(--accent); }
.contact-row .ico svg { width: 21px; height: 21px; }
.contact-row .label { font-size: 0.74rem; font-weight: 700; color: var(--fg-4); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-row .val { font-size: 1.08rem; font-weight: 600; color: var(--fg-1); margin-top: 3px; line-height: 1.45; }
.contact-row .val a { color: var(--accent-ink); }
.contact-row .val a:hover { text-decoration: underline; text-underline-offset: 3px; }
.contact-card { padding: var(--s-10); border-radius: var(--r-xl); background: var(--bg-card); border: 1px solid var(--border-1); box-shadow: var(--shadow-card); }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: var(--s-5); }
.field label { font-size: 0.84rem; font-weight: 700; color: var(--fg-2); }
.field input, .field textarea {
  font: inherit; font-size: 0.98rem; padding: 12px 14px; border-radius: var(--r-md);
  border: 1px solid var(--border-2); background: var(--bg-page); color: var(--fg-1);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { margin-top: var(--s-3); font-size: 0.86rem; color: var(--fg-4); }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: var(--s-10); } .contact-card { padding: var(--s-6); } }

/* ============ legal / prose ============ */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.5rem; font-weight: 800; margin-top: var(--s-12); margin-bottom: var(--s-4); padding-top: var(--s-4); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.12rem; font-weight: 700; margin-top: var(--s-6); margin-bottom: var(--s-2); }
.prose p { font-size: 1.04rem; line-height: 1.75; color: var(--fg-2); margin-bottom: var(--s-4); }
.prose ul { margin: 0 0 var(--s-4); padding-inline-start: 22px; }
.prose li { font-size: 1.04rem; line-height: 1.7; color: var(--fg-2); margin-bottom: 8px; }
.prose a { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--fg-1); font-weight: 700; }
.legal-toc {
  background: var(--bg-cream); border: 1px solid var(--border-1); border-radius: var(--r-lg);
  padding: var(--s-6); margin-bottom: var(--s-10);
}
.legal-toc h4 { font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.07em; color: var(--fg-4); margin-bottom: var(--s-3); }
.legal-toc ol { margin: 0; padding-inline-start: 20px; columns: 2; column-gap: var(--s-8); }
.legal-toc li { font-size: 0.96rem; line-height: 1.8; }
.legal-toc a { color: var(--fg-2); }
.legal-toc a:hover { color: var(--accent-ink); }
@media (max-width: 600px) { .legal-toc ol { columns: 1; } }

/* ============ footer ============ */
.site-footer { background: var(--bg-cream); border-top: 1px solid var(--border-1); padding-block: var(--s-16) var(--s-8); margin-top: var(--s-12); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: var(--s-8); }
.footer-brand .brand { margin-bottom: var(--s-4); }
.footer-brand .addr { color: var(--fg-3); font-size: 0.96rem; line-height: 1.7; font-style: normal; }
.footer-brand .addr a { color: var(--accent-ink); }
.footer-brand .addr a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer-col h5 { font-size: 0.76rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-4); margin: 0 0 var(--s-4); }
.footer-col a { display: block; padding: 6px 0; color: var(--fg-2); font-size: 0.96rem; font-weight: 500; }
.footer-col a:hover { color: var(--accent-ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--s-4); flex-wrap: wrap; margin-top: var(--s-12); padding-top: var(--s-6); border-top: 1px solid var(--border-1); color: var(--fg-3); font-size: 0.88rem; }
.footer-bottom .links { display: flex; gap: var(--s-5); flex-wrap: wrap; }
.footer-bottom .links a:hover { color: var(--accent-ink); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; align-items: flex-start; } }

/* ============ reveal-on-scroll ============ */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s var(--ease), transform 0.55s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }
}
@media print { .reveal { opacity: 1 !important; transform: none !important; } .site-header { position: static; } }