/* Veltrio Systems — static marketing site
   Dark ink + electric teal + clean white wordmark */

:root {
  --ink: rgb(10, 14, 22);
  --ink-elevated: rgb(16, 22, 34);
  --ink-card: rgb(18, 26, 40);
  --ink-border: rgba(34, 211, 190, 0.14);
  --teal: rgb(34, 211, 190);
  --teal-dim: rgba(34, 211, 190, 0.15);
  --teal-glow: rgba(34, 211, 190, 0.35);
  --gold: rgb(212, 175, 55);
  --gold-dim: rgba(212, 175, 55, 0.25);
  --white: #f8fafc;
  --muted: #94a3b8;
  --muted-soft: #64748b;
  --systems-gray: #9ca3af;
  --radius: 14px;
  --radius-sm: 10px;
  --max: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--ink);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #5eead4;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* ——— Header / Nav ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 22, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ink-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  text-decoration: none;
  color: inherit;
}

.brand-name {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.brand-systems {
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--systems-gray);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--white);
  background: var(--teal-dim);
}

.nav-links a.nav-cta {
  background: var(--teal);
  color: var(--ink);
  font-weight: 600;
  margin-left: 0.35rem;
}

.nav-links a.nav-cta:hover {
  background: #5eead4;
  color: var(--ink);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ink-border);
  color: var(--white);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  font-size: 1.1rem;
}

/* ——— Hero ——— */
.hero {
  padding: 4.5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 20% auto -10%;
  height: 60%;
  background: radial-gradient(ellipse, var(--teal-glow) 0%, transparent 65%);
  opacity: 0.25;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.15rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1.15rem;
  color: var(--white);
}

.hero h1 .accent {
  color: var(--teal);
}

.hero-lede {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.35rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
  text-decoration: none;
  font-family: inherit;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--teal);
  color: var(--ink);
}

.btn-primary:hover {
  background: #5eead4;
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(148, 163, 184, 0.35);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-note {
  font-size: 0.85rem;
  color: var(--muted-soft);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.signature-frame {
  position: relative;
  width: min(100%, 380px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--gold-dim) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, var(--teal-dim) 30%, transparent 70%);
  display: grid;
  place-items: center;
  border: 1px solid var(--ink-border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.signature-frame img {
  width: 88%;
  height: auto;
  border-radius: 50%;
}

.orbit-ring {
  position: absolute;
  inset: 8%;
  border: 1px dashed rgba(212, 175, 55, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

/* ——— Sections ——— */
section {
  padding: 4rem 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.surface {
  background: var(--ink-elevated);
  border-top: 1px solid var(--ink-border);
  border-bottom: 1px solid var(--ink-border);
}

/* ——— Cards / grid ——— */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--ink-card);
  border: 1px solid var(--ink-border);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(34, 211, 190, 0.4);
  transform: translateY(-2px);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--teal-dim);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--teal);
}

.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Triad orbit SVG accent */
.triad {
  width: 22px;
  height: 22px;
}

/* ——— Split / approach ——— */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.split-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.split-list li {
  display: flex;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: var(--ink-card);
  border: 1px solid var(--ink-border);
  border-radius: var(--radius-sm);
}

.split-list .mark {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--teal-dim);
  color: var(--teal);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

.split-list strong {
  display: block;
  margin-bottom: 0.2rem;
}

.split-list span {
  color: var(--muted);
  font-size: 0.92rem;
}

.panel {
  background: linear-gradient(145deg, var(--ink-card), rgba(34, 211, 190, 0.06));
  border: 1px solid var(--ink-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.panel h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.panel p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.panel ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.panel li {
  margin-bottom: 0.45rem;
}

.panel li::marker {
  color: var(--teal);
}

.gold-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold-dim);
  margin-right: 0.35rem;
  vertical-align: middle;
}

/* ——— CTA band ——— */
.cta-band {
  text-align: center;
  padding: 3.5rem 0;
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-band p {
  color: var(--muted);
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}

/* ——— Services page extras ——— */
.service-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1.75rem;
  background: var(--ink-card);
  border: 1px solid var(--ink-border);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
}

.service-block:last-child {
  margin-bottom: 0;
}

.service-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  display: grid;
  place-items: center;
  background: rgba(212, 175, 55, 0.08);
}

.service-block h3 {
  margin: 0 0 0.4rem;
}

.service-block p {
  margin: 0;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.pill {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--ink-border);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.02);
}

/* ——— Contact ——— */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.form-card {
  background: var(--ink-card);
  border: 1px solid var(--ink-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: var(--ink);
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--teal);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--muted-soft);
  margin: 0.75rem 0 0;
}

.form-status {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--teal);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.contact-aside h2 {
  margin: 0 0 0.75rem;
}

.contact-aside p {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.placeholder-box {
  border: 1px dashed rgba(148, 163, 184, 0.35);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.9rem;
  color: var(--muted);
}

.placeholder-box code {
  color: var(--teal);
  font-size: 0.85rem;
}

/* ——— Footer ——— */
.site-footer {
  border-top: 1px solid var(--ink-border);
  padding: 2rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--muted-soft);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ——— Page hero (inner) ——— */
.page-hero {
  padding: 3.25rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 38rem;
  font-size: 1.1rem;
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .hero-grid,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .signature-frame {
    width: min(100%, 280px);
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 14, 22, 0.98);
    border-bottom: 1px solid var(--ink-border);
    padding: 0.75rem 1.25rem 1.25rem;
    gap: 0.15rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a.nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .hero {
    padding: 2.75rem 0 2.5rem;
  }

  section {
    padding: 3rem 0;
  }
}

@media (min-width: 721px) and (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid .card:last-child {
    grid-column: 1 / -1;
  }
}