/* Velosys Technologies public website + sign-in pages.
   Loaded alone by layouts/public.html and layouts/auth.html (no app CSS, no JS).
   Brand: navy #0A1628, orange #F6931A, gray #8B8F94. System font stack, self-hosted only.
   Light by default; dark follows the device setting. */

/* ---- Tokens ---------------------------------------------------------------------- */
:root {
  color-scheme: light dark;

  --color-navy: #0A1628;
  --color-orange: #F6931A;
  /* Orange used for small TEXT (eyebrows, tagline): 5.1:1 on white, 4.7:1 on bg-alt (WCAG AA). */
  --color-orange-strong: #A85A00;
  --color-gray: #8B8F94;

  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7FA;
  --color-surface: #FFFFFF;
  --color-text: #1A2332;
  --color-heading: #0A1628;
  --color-muted: #5B6573;
  --color-border: #E3E7ED;
  --color-primary: #0A1628;
  --color-primary-text: #FFFFFF;
  --color-link: #0B4F9C;
  --color-success-bg: #E7F6EC;
  --color-success-text: #17663A;
  --color-soon-bg: #F1F3F6;
  --color-soon-text: #4A5361;
  --color-error: #B42318;
  --shadow-card: 0 1px 2px rgba(10, 22, 40, 0.06), 0 4px 16px rgba(10, 22, 40, 0.06);
  --shadow-shot: 0 12px 40px rgba(10, 22, 40, 0.16);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --container-max: 1180px;
  --gutter: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0B1220;
    --color-bg-alt: #101A2C;
    --color-orange-strong: #F6931A;
    --color-surface: #13203A;
    --color-text: #DCE3EE;
    --color-heading: #FFFFFF;
    --color-muted: #9AA6B8;
    --color-border: #24324C;
    --color-primary: #F6931A;
    --color-primary-text: #0A1628;
    --color-link: #7DB8FF;
    --color-success-bg: #123524;
    --color-success-text: #7EE2A8;
    --color-soon-bg: #1C2A44;
    --color-soon-text: #B8C3D4;
    --color-error: #FF8A80;
    --shadow-card: none;
    --shadow-shot: 0 12px 40px rgba(0, 0, 0, 0.5);
  }
}

/* ---- Base --------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); }
h1, h2, h3 { color: var(--color-heading); line-height: 1.2; margin: 0 0 0.6em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 750; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 720; }
h3 { font-size: 1.15rem; font-weight: 680; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 780px; }
.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--color-orange-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lead { font-size: 1.15rem; color: var(--color-muted); max-width: 40rem; }
.fine-print { font-size: 0.875rem; color: var(--color-muted); margin-top: 1rem; }
.hero-note { color: var(--color-text); font-weight: 550; margin: -0.25rem 0 0; }
.hero-note a { color: var(--color-heading); text-decoration-color: var(--color-orange); text-underline-offset: 4px; }
.text-link { font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* ---- Buttons ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 46px;
  padding: 0.7rem 1.3rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.btn-sm { min-height: 38px; padding: 0.45rem 0.95rem; font-size: 0.9rem; }
.btn-primary { background: var(--color-primary); color: var(--color-primary-text); }
.btn-primary:hover { filter: brightness(1.15); }
.btn-secondary { background: transparent; color: var(--color-heading); border-color: var(--color-border); }
.btn-secondary:hover { border-color: var(--color-gray); }
.btn-accent { background: var(--color-orange); color: #0A1628; }
.btn-accent:hover { background: #FFA733; }
.btn-ghost { background: transparent; color: #FFFFFF; border-color: rgba(255, 255, 255, 0.4); }
.btn-ghost:hover { border-color: #FFFFFF; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 1.5rem; }

/* ---- Header & navigation ----------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.public-nav { display: flex; align-items: center; gap: 1.5rem; min-height: 68px; }
.public-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
/* The lockup PNG has a white background: `multiply` lets it sit on any light surface
   without a visible box; in dark mode it gets a deliberate rounded white plate instead. */
.public-logo { height: 48px; width: auto; mix-blend-mode: multiply; }
@media (prefers-color-scheme: dark) {
  .public-logo { mix-blend-mode: normal; background: #FFFFFF; border-radius: 8px; padding: 3px 8px; }
}
.nav-links { display: flex; gap: 1.5rem; list-style: none; margin: 0 0 0 1rem; padding: 0; }
.nav-links a, .nav-login { color: var(--color-text); text-decoration: none; font-weight: 550; font-size: 0.95rem; }
.nav-links a:hover, .nav-login:hover { color: var(--color-heading); text-decoration: underline; text-underline-offset: 4px; }
.nav-links a[aria-current="page"] { color: var(--color-heading); text-decoration: underline; text-decoration-color: var(--color-orange); text-decoration-thickness: 2px; text-underline-offset: 6px; }
.nav-actions { display: flex; align-items: center; gap: 1rem; margin-left: auto; }

.nav-menu { display: none; margin-left: auto; position: relative; }
.nav-menu summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu-icon, .nav-menu-icon::before, .nav-menu-icon::after {
  display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative;
}
.nav-menu-icon::before, .nav-menu-icon::after { content: ""; position: absolute; left: 0; }
.nav-menu-icon::before { top: -6px; }
.nav-menu-icon::after { top: 6px; }
.nav-menu ul {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: min(86vw, 320px);
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-shot);
}
.nav-menu li a { display: block; padding: 0.75rem 0.85rem; border-radius: var(--radius-sm); color: var(--color-text); text-decoration: none; font-weight: 600; }
.nav-menu li a:hover, .nav-menu li a[aria-current="page"] { background: var(--color-bg-alt); }
.nav-menu li a.btn { margin-top: 0.4rem; color: var(--color-primary-text); }

/* ---- Sections ----------------------------------------------------------------------- */
.public-main { min-height: 60vh; }
.hero { padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem); background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg)); }
.page-hero { padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem); background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg)); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { max-width: 46rem; margin-bottom: 2rem; }
.section-title { margin-bottom: 1.25rem; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.prose h2 { margin-top: 2.2rem; font-size: 1.5rem; }
.prose h2:first-child { margin-top: 0; }

/* Real product screenshots in a browser-like frame. */
.screenshot {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-shot);
}
.screenshot::before {
  content: "";
  display: block;
  height: 26px;
  background:
    radial-gradient(circle at 14px 13px, #FF5F57 4px, transparent 5px),
    radial-gradient(circle at 30px 13px, #FEBC2E 4px, transparent 5px),
    radial-gradient(circle at 46px 13px, #28C840 4px, transparent 5px),
    var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

/* ---- Cards ---------------------------------------------------------------------------- */
.card-grid { display: grid; gap: 1.25rem; }
.card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow-card);
}
.card p:last-child { margin-bottom: 0; }
.card-muted { background: var(--color-bg-alt); box-shadow: none; }
.card-wide { max-width: 760px; }
.product-card-top { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-bottom: 0.9rem; }
.product-card h3 { font-size: 1.35rem; }
.product-card-lg { padding: 2rem; }
.product-kind { font-size: 0.8rem; color: var(--color-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.badge { display: inline-block; padding: 0.22rem 0.65rem; border-radius: 999px; font-size: 0.78rem; font-weight: 700; margin-bottom: 0.6rem; }
.product-card-top .badge { margin-bottom: 0; }
.badge-available { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-soon { background: var(--color-soon-bg); color: var(--color-soon-text); }

.check-list { list-style: none; padding: 0; margin: 0 0 0.5rem; }
.check-list li { position: relative; padding-left: 1.9rem; margin-bottom: 0.8rem; }
.check-list li::before {
  content: "";
  position: absolute; left: 0; top: 0.3em;
  width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--color-orange);
}
.check-list li::after {
  content: ""; position: absolute; left: 0.38rem; top: 0.52em;
  width: 0.35rem; height: 0.6rem; border: solid #0A1628; border-width: 0 2px 2px 0; transform: rotate(45deg);
}

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.75rem 2rem; }
.feature { padding-top: 1rem; border-top: 2px solid var(--color-orange); }
.feature p { color: var(--color-muted); margin: 0; }

/* Steps (getting started / trial). */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.steps-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.steps li { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; }
.steps p { color: var(--color-muted); margin: 0; }
.step-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; margin-bottom: 0.9rem;
  border-radius: 50%; background: var(--color-navy); color: #FFFFFF; font-weight: 700;
}
@media (prefers-color-scheme: dark) { .step-no { background: var(--color-orange); color: #0A1628; } }

/* Workflow strip. */
.flow { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; counter-reset: flow; }
.flow li {
  counter-increment: flow;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-weight: 600; font-size: 0.95rem;
}
.flow li::before {
  content: counter(flow);
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--color-orange); color: #0A1628; font-size: 0.78rem; font-weight: 750;
}
.flow-note { color: var(--color-muted); font-size: 0.9rem; margin-top: 1rem; }

/* FAQ (native details, no JS). */
.faq { margin-top: 2.5rem; max-width: 780px; }
.faq details { border-bottom: 1px solid var(--color-border); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 650; color: var(--color-heading); }
.faq details p { margin: 0.6rem 0 0; color: var(--color-muted); }

/* Closing call-to-action band. */
.cta-band { background: var(--color-navy); color: #DCE3EE; padding: clamp(2.5rem, 6vw, 4rem) 0; }
.cta-band h2 { color: #FFFFFF; margin-bottom: 0.4rem; }
.cta-band p { margin: 0; color: #B8C3D4; }
.cta-band-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.cta-band .cta-row { margin-top: 0; }

/* ---- Footer ---------------------------------------------------------------------------- */
.public-footer { border-top: 1px solid var(--color-border); padding: 3rem 0 1.5rem; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 2rem; }
.footer-pending { color: var(--color-muted); font-style: italic; }
.footer-name { font-weight: 750; color: var(--color-heading); font-size: 1.05rem; }
.public-tagline { margin: 0.3rem 0 0.6rem; color: var(--color-orange-strong); font-weight: 600; }
.footer-note { color: var(--color-muted); margin: 0; }
.footer-heading { display: block; font-weight: 700; color: var(--color-heading); margin-bottom: 0.6rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.45rem; }
.footer-col a { color: var(--color-muted); text-decoration: none; }
.footer-col a:hover { color: var(--color-heading); text-decoration: underline; }
.footer-baseline { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--color-border); color: var(--color-muted); }

/* ---- Sign-in pages (layouts/auth.html) ------------------------------------------------ */
.auth-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--color-bg-alt); }
.auth-top { padding: 0.9rem var(--gutter); display: flex; justify-content: space-between; align-items: center; background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.auth-top a.back { color: var(--color-muted); text-decoration: none; font-size: 0.92rem; }
.auth-top a.back:hover { color: var(--color-heading); }
.auth-main { flex: 1; display: flex; align-items: flex-start; justify-content: center; padding: 1.5rem var(--gutter) 3rem; }
.auth-wrap { width: 100%; max-width: 920px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; justify-items: center; }
.auth-wrap-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; justify-items: stretch; }
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: var(--shadow-card);
}
.auth-card h1 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.auth-card .auth-sub { color: var(--color-muted); margin-bottom: 1.4rem; }
.auth-card form > div { margin-bottom: 1rem; }
.auth-card label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.35rem; color: var(--color-heading); }
.auth-card input {
  width: 100%;
  min-height: 46px;
  padding: 0.6rem 0.8rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.auth-card input:focus { outline: 2px solid var(--color-orange); outline-offset: 1px; border-color: transparent; }
.auth-card input[aria-invalid="true"] { border-color: var(--color-error); }
.auth-card button[type="submit"] {
  width: 100%; min-height: 48px; margin-top: 0.4rem;
  border: 0; border-radius: var(--radius-sm);
  background: var(--color-primary); color: var(--color-primary-text);
  font: inherit; font-weight: 700; cursor: pointer;
}
.auth-card button[type="submit"]:hover { filter: brightness(1.15); }
.auth-card .field-error { color: var(--color-error); font-size: 0.88rem; margin: 0.35rem 0 0; }
.auth-card form > .field-error { margin: 0 0 1rem; padding: 0.6rem 0.8rem; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--color-error) 10%, transparent); }
.auth-card [role="status"] { padding: 0.7rem 0.9rem; border-radius: var(--radius-sm); background: var(--color-success-bg); color: var(--color-success-text); }
.auth-links { margin-top: 1.25rem; font-size: 0.92rem; color: var(--color-muted); }
.auth-links p { margin: 0 0 0.4rem; }
.auth-aside { padding: 1rem 0.5rem; }
.auth-aside h2 { font-size: 1.4rem; }
.auth-aside .check-list { margin-top: 1rem; }
.auth-footer { padding: 1rem var(--gutter) 1.5rem; text-align: center; color: var(--color-muted); font-size: 0.85rem; }

/* ---- Responsive ------------------------------------------------------------------------ */
@media (max-width: 960px) {
  .nav-links, .nav-actions { display: none; }
  .nav-menu { display: block; }
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); }
  .card-grid-3, .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .auth-wrap-split { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  .auth-aside { max-width: 440px; width: 100%; }
}
@media (max-width: 640px) {
  :root { --gutter: 18px; }
  .public-logo { height: 40px; }
  .card-grid-2, .card-grid-3, .feature-grid, .steps, .steps-4 { grid-template-columns: minmax(0, 1fr); }
  .cta-row .btn { flex: 1 1 100%; }
  .cta-band-inner { flex-direction: column; align-items: stretch; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .flow li { font-size: 0.88rem; }
}