/* ============================================================
   Yaviline Technologies — corporate design system
   ============================================================ */

:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --surface-tint: #F4F4F0;
  --ink: #16181D;
  --ink-soft: #2A2E37;
  --text: #3D424D;
  --text-muted: #6B7180;
  --border: #E8E7E1;
  --border-strong: #D9D8D0;
  --accent: #2044C4;
  --accent-deep: #18349B;
  --accent-tint: #EDF1FC;
  --ok: #2E7D4F;
  --ok-tint: #EAF3ED;
  --warn: #97620A;
  --warn-tint: #FBF3DE;
  --footer-bg: #101319;
  --shadow-soft: 0 1px 2px rgba(22, 24, 29, 0.04), 0 12px 32px -16px rgba(22, 24, 29, 0.10);
  --shadow-lift: 0 2px 4px rgba(22, 24, 29, 0.04), 0 24px 48px -20px rgba(22, 24, 29, 0.16);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 10px;
  --radius-lg: 16px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--ink); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-deep); }

.mono {
  font-family: 'Geist Mono', 'SF Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 200ms var(--ease-out), border-color 200ms var(--ease-out),
              color 200ms var(--ease-out), transform 160ms var(--ease-out);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--ink); color: #FDFDFC; }
.btn-primary:hover { background: var(--ink-soft); color: #FFFFFF; }
.btn-accent { background: var(--accent); color: #FDFDFC; }
.btn-accent:hover { background: var(--accent-deep); color: #FFFFFF; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn .arr { transition: transform 200ms var(--ease-out); }
.btn:hover .arr { transform: translateX(3px); }

.text-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: border-color 200ms var(--ease-out);
}
.text-link:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms var(--ease-out), background 250ms var(--ease-out);
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(250, 250, 248, 0.95); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--ink); }
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 15px; height: 15px; stroke: #FDFDFC; }
.brand small {
  display: block;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; }
.nav-links a:not(.btn) {
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 500;
  transition: color 180ms var(--ease-out);
}
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links .btn { padding: 9px 20px; font-size: 0.88rem; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 250ms var(--ease-out), opacity 200ms;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 172px 0 96px;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(32, 68, 196, 0.055), transparent 60%),
    var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
  gap: 72px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.5rem, 4.6vw, 3.7rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 15ch;
}
.hero-sub {
  margin-top: 26px;
  font-size: 1.14rem;
  color: var(--text-muted);
  max-width: 46ch;
  line-height: 1.7;
}
.hero-cta { margin-top: 38px; display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.hero-note {
  margin-top: 30px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-note span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--text-muted);
}
.hero-note svg { width: 14px; height: 14px; stroke: var(--ok); flex-shrink: 0; }

/* Console mock */
.console {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  font-size: 0.83rem;
}
.console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-tint);
}
.console-bar .dots { display: flex; gap: 6px; }
.console-bar .dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
  display: inline-block;
}
.console-bar .label {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.console-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border);
}
.console-stats > div { padding: 16px 18px; }
.console-stats > div + div { border-left: 1px solid var(--border); }
.console-stats .k {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 5px;
}
.console-stats .v {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--ink);
}
.console-stats .v em { font-style: normal; font-size: 0.72rem; color: var(--ok); margin-left: 6px; }
.console-table { width: 100%; border-collapse: collapse; }
.console-table td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.console-table tr:last-child td { border-bottom: none; }
.console-table .num {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}
.console-table .dim { color: var(--text-muted); font-size: 0.78rem; }
.pill {
  display: inline-block;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
}
.pill-ok { background: var(--ok-tint); color: var(--ok); }
.pill-live { background: var(--accent-tint); color: var(--accent); }
.pill-warn { background: var(--warn-tint); color: var(--warn); }

/* ---------- Trust bar ---------- */
.trust {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 30px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
}
.trust p {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.trust-logos { display: flex; align-items: center; gap: 44px; flex-wrap: wrap; }
.trust-logos span {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: #A9ADB6;
}

/* ---------- Sections ---------- */
.section { padding: 108px 0; }
.section-head { max-width: 620px; margin-bottom: 68px; }
.section-head h2 {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 640;
  letter-spacing: -0.025em;
}
.section-head p { margin-top: 18px; color: var(--text-muted); font-size: 1.08rem; }

/* Stats band */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid > div { padding: 44px 32px; }
.stats-grid > div + div { border-left: 1px solid var(--border); }
.stats-grid .n {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stats-grid .l { margin-top: 8px; font-size: 0.87rem; color: var(--text-muted); }

/* Capability rows */
.cap-list { border-top: 1px solid var(--border); }
.cap-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 4.5fr) minmax(0, 6fr);
  gap: 40px;
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.cap-row .idx {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 6px;
}
.cap-row h3 {
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 13px;
}
.cap-row h3 svg { width: 20px; height: 20px; stroke: var(--accent); flex-shrink: 0; }
.cap-row p { color: var(--text-muted); font-size: 1rem; max-width: 56ch; }

/* Steps */
.steps { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; }
.step { border-top: 2px solid var(--ink); padding-top: 28px; }
.step .num {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.22rem; margin-bottom: 12px; }
.step p { color: var(--text-muted); font-size: 0.98rem; }

/* Compliance */
.compliance-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 72px;
  align-items: start;
}
.compliance-items { display: grid; gap: 0; border-top: 1px solid var(--border); }
.compliance-items > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.compliance-items dt {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
  padding-top: 2px;
}
.compliance-items dd { color: var(--text-muted); font-size: 0.97rem; }

/* ---------- Contact ---------- */
.contact { background: var(--surface); border-top: 1px solid var(--border); }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 80px;
  align-items: start;
}
.contact-meta { margin-top: 40px; border-top: 1px solid var(--border); }
.contact-meta > div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.contact-meta .k { color: var(--text-muted); }
.contact-meta .v { color: var(--ink); font-weight: 500; }

.form-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-soft);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}
.field input, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(32, 68, 196, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 16px; }
.hidden { display: none !important; }

/* ---------- Footer ---------- */
.footer {
  background: var(--footer-bg);
  color: #B9BDC7;
  padding: 72px 0 40px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 2.5fr) minmax(0, 2.5fr) minmax(0, 3fr);
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.footer .brand { color: #F4F5F7; }
.footer .brand small { color: #7C818D; }
.footer .brand-mark { background: #F4F5F7; }
.footer .brand-mark svg { stroke: var(--footer-bg); }
.footer p { color: #8A8F9B; max-width: 34ch; margin-top: 16px; line-height: 1.7; }
.footer h4 {
  color: #F4F5F7;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: 'Geist Mono', ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 12px; }
.footer a { color: #B9BDC7; transition: color 180ms; }
.footer a:hover { color: #FFFFFF; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 32px;
  color: #7C818D;
  font-size: 0.82rem;
}

/* ---------- Legal pages ---------- */
.legal-wrap { max-width: 760px; margin: 0 auto; padding: 150px 24px 100px; }
.legal-wrap h1 { font-size: 2.2rem; letter-spacing: -0.025em; }
.legal-date {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 14px 0 40px;
  display: block;
}
.legal-wrap h2 { font-size: 1.18rem; margin: 40px 0 12px; }
.legal-wrap p { color: var(--text); margin-bottom: 14px; max-width: 68ch; }

/* Centered utility pages (404 / thank you) */
.center-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.center-page .code {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.center-page h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 16px; }
.center-page p { color: var(--text-muted); max-width: 44ch; margin-bottom: 32px; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 650ms var(--ease-out), transform 650ms var(--ease-out);
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .btn .arr { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero h1 { max-width: 20ch; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid > div { border-left: none !important; border-top: 1px solid var(--border); }
  .stats-grid > div:nth-child(-n+2) { border-top: none; }
  .cap-row { grid-template-columns: 48px 1fr; }
  .cap-row p { grid-column: 2; }
  .compliance-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 1rem; }
  .section { padding: 76px 0; }
  .hero { padding: 132px 0 64px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 24px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a:not(.btn) { display: block; padding: 14px 0; }
  .nav-links .btn { margin-top: 12px; }
  .steps-grid { grid-template-columns: 1fr; gap: 40px; }
  .compliance-items > div { grid-template-columns: 1fr; gap: 8px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-card { padding: 28px 22px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid .n { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .trust-inner { justify-content: flex-start; }
}