/* ==========================================================================
   J23 Networks — deep-space theme
   ========================================================================== */

:root {
  --bg: #05060f;
  --bg-raise: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8eaf6;
  --muted: #9aa3c7;
  --blue: #5b8cff;
  --purple: #a06bff;
  --red: #ff5468;
  --grad: linear-gradient(92deg, var(--blue) 0%, var(--purple) 52%, var(--red) 100%);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 16px;
  --container: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- background layers ---------- */

#starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.nebula {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
  pointer-events: none;
}
.nebula-blue   { width: 560px; height: 560px; top: -180px; left: -140px; background: radial-gradient(circle, #2c55d8, transparent 65%); }
.nebula-purple { width: 640px; height: 640px; top: 34%; right: -240px; background: radial-gradient(circle, #6b3fd4, transparent 65%); }
.nebula-red    { width: 520px; height: 520px; bottom: -200px; left: 12%; background: radial-gradient(circle, #c22a45, transparent 65%); }

/* ---------- typography ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.5rem, 6.4vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.28rem; font-weight: 600; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}

.lede, .section-lede {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 46rem;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  color: #fff;
  background: var(--grad);
  box-shadow: 0 4px 24px rgba(160, 107, 255, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(160, 107, 255, 0.5);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-raise);
}
.btn-ghost:hover { border-color: var(--purple); transform: translateY(-2px); }

.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(5, 6, 15, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.8rem 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}

.brand-mark { width: 30px; height: 30px; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-thin { font-weight: 400; color: var(--muted); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.nav-links > a:not(.btn) {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.nav-links > a:not(.btn):hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- hero ---------- */

.hero {
  padding: clamp(5rem, 12vh, 9rem) 0 4rem;
  text-align: center;
}

.hero .lede { margin: 1.2rem auto 2rem; }

.hero-cta {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}

.verse {
  margin: 4.5rem auto 0;
  max-width: 34rem;
  padding: 1.4rem 1.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raise);
}
.verse p {
  margin: 0 0 0.4rem;
  font-style: italic;
  color: var(--muted);
  font-size: 0.98rem;
}
.verse cite {
  font-style: normal;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- sections ---------- */

.section { padding: 5.5rem 0; }

.section-alt {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
}

/* ---------- service cards ---------- */

.cards {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
}

.card {
  --accent: var(--blue);
  position: relative;
  padding: 1.8rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raise);
  backdrop-filter: blur(8px);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
}

.card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 14px 44px -12px color-mix(in srgb, var(--accent) 45%, transparent);
}

.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  margin-bottom: 1.1rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.card-icon svg { width: 24px; height: 24px; }

.card p { color: var(--muted); font-size: 0.95rem; margin: 0 0 1.2rem; }

.card-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.card-link span { display: inline-block; transition: transform 0.18s ease; }
.card-link:hover span { transform: translateX(4px); }

/* ---------- why ---------- */

.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.pillars li {
  position: relative;
  padding: 1.3rem 1.5rem 1.3rem 1.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raise);
  overflow: hidden;
}

.pillars li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--blue), var(--purple), var(--red));
}

.pillars strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
}
.pillars span { color: var(--muted); font-size: 0.95rem; }

/* ---------- contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-email {
  display: inline-block;
  margin-top: 0.8rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--blue);
  text-decoration: none;
}
.contact-email:hover { color: var(--purple); }

.contact-form {
  display: grid;
  gap: 1.1rem;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raise);
  backdrop-filter: blur(8px);
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 500;
}

.optional { color: var(--muted); font-weight: 400; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font: inherit;
  font-family: var(--font-body);
  color: var(--text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(160, 107, 255, 0.18);
}

.consent {
  display: flex !important;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.6rem;
  font-family: var(--font-body) !important;
  font-weight: 400 !important;
  color: var(--muted);
  font-size: 0.86rem !important;
}
.consent input { margin-top: 3px; accent-color: var(--purple); }

.form-status {
  margin: 0;
  min-height: 1.2em;
  font-size: 0.9rem;
  text-align: center;
}
.form-status.ok { color: #6ee7a0; }
.form-status.err { color: var(--red); }

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 2.6rem 0;
  background: rgba(0, 0, 0, 0.3);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.85rem; }

.socials { display: flex; gap: 0.4rem; }
.socials a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.socials a:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-raise);
}
.socials svg { width: 19px; height: 19px; }

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

.footer-link { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.footer-link:hover { color: var(--text); }

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.2rem; }
}

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

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.2rem 24px 1.6rem;
    background: rgba(5, 6, 15, 0.97);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }

  .field-row { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
}

/* ---------- motion preferences ---------- */

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