/* ============================================================
   NodeNetwork — dark-tech design system
   Near-black surfaces · emerald accent · electric glow
   ============================================================ */

:root {
  /* Surfaces */
  --bg:          #08080c;
  --bg-grid:     rgba(255, 255, 255, .025);
  --surface:     #101018;
  --surface-2:   #15151f;
  --surface-3:   #1b1b27;

  /* Text */
  --text:        #f4f5f7;
  --muted:       #a0a3ad;
  --faint:       #6b6f7a;

  /* Lines */
  --line:        rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .14);

  /* Brand — emerald */
  --accent:      #10b981;
  --accent-2:    #34d399;
  --accent-deep: #059669;
  --accent-soft: rgba(16, 185, 129, .12);
  --accent-line: rgba(16, 185, 129, .35);
  --glow:        rgba(16, 185, 129, .28);

  --success:     #34d399;
  --radius:      16px;
  --radius-lg:   22px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  /* subtle dot grid + top emerald aura */
  background-image:
    radial-gradient(900px 520px at 75% -10%, rgba(16, 185, 129, .14), transparent 60%),
    radial-gradient(700px 480px at 5% 0%, rgba(52, 211, 153, .06), transparent 55%),
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

::selection { background: var(--accent-soft); color: #fff; }

/* ---------- Accessibility ---------- */
/* Visible keyboard focus on every interactive element */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Screen-reader-only text (e.g. skip link target labels) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip-to-content link — visible only when focused */
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 1000;
  background: var(--accent);
  color: #04130d;
  font-weight: 800;
  padding: 10px 16px;
  border-radius: 10px;
  transition: top .15s ease;
}
.skip-link:focus {
  top: 12px;
  color: #04130d;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Top strip ---------- */
.top-strip {
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 185, 129, .06);
  color: var(--muted);
  font-size: .8rem;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.top-strip strong { color: var(--text); }

/* ---------- Header / nav ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 8, 12, .72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 22px;
}

/* Brand wordmark with node mark */
.brand {
  margin-right: auto;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.01em;
  font-size: 1.06rem;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.brand:hover { color: var(--text); }
.brand .node-mark {
  width: 22px;
  height: 22px;
  flex: none;
  filter: drop-shadow(0 0 6px var(--glow));
}

.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a,
.nav > a:not(.brand):not(.nav-cta) {
  color: var(--muted);
  font-weight: 500;
  font-size: .94rem;
  transition: color .15s ease;
}
.nav-links a:hover,
.nav > a:not(.brand):not(.nav-cta):hover { color: var(--text); }

.nav-cta {
  background: var(--accent);
  color: #04130d;
  border-radius: 10px;
  padding: 9px 16px;
  font-weight: 700;
  font-size: .9rem;
  box-shadow: 0 0 0 1px var(--accent-line), 0 8px 20px -8px var(--glow);
}
.nav-cta:hover { background: var(--accent-2); color: #04130d; }

/* ---------- Layout ---------- */
main { max-width: 1140px; margin: 0 auto; padding: 56px 22px 80px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, 0)),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, var(--accent-line), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1.3fr .82fr;
  align-items: center;
}

.kicker {
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  font-weight: 700;
}
.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--glow);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.lead { margin: 0; color: var(--muted); max-width: 760px; font-size: 1.06rem; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 4px; }
.hero-points { margin: 0; padding-left: 18px; color: var(--muted); }

.hero-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, var(--accent-soft), transparent 55%),
    var(--surface-2);
  padding: 26px;
}
.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  font-size: .7rem;
  letter-spacing: .1em;
  font-weight: 700;
}
.hero-card h2 { margin: 10px 0 12px; font-size: 1.2rem; }
.hero-card p { margin: 0 0 14px; color: var(--muted); font-size: .95rem; }
.card-meta { color: var(--faint); font-size: .85rem; border-top: 1px solid var(--line); padding-top: 12px; }

/* ---------- Buttons ---------- */
.button, .btn, .cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: .95rem;
  padding: 12px 20px;
  border-radius: 11px;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.button-primary, .btn, .cta {
  background: var(--accent);
  color: #04130d;
  box-shadow: 0 0 0 1px var(--accent-line), 0 12px 28px -12px var(--glow);
}
.button-primary:hover, .btn:hover, .cta:hover {
  background: var(--accent-2);
  color: #04130d;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px var(--accent-line), 0 16px 34px -12px var(--glow);
}

.button-secondary, .btn-ghost {
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line-strong);
  color: var(--text);
}
.button-secondary:hover, .btn-ghost:hover {
  background: rgba(255, 255, 255, .06);
  border-color: var(--accent-line);
  color: var(--text);
}
.button-block { width: 100%; }
.btn-sm { padding: 9px 14px; font-size: .9rem; }

/* ---------- Sections ---------- */
.section { margin-top: 64px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 22px; }
.section-head h2 { margin: 6px 0 0; font-size: clamp(1.5rem, 2.8vw, 2.1rem); letter-spacing: -.02em; }
.section-copy { margin: 0; color: var(--muted); max-width: 640px; }

/* ---------- Generic cards / grids ---------- */
.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
}
.card h2, .card h3 { margin-top: 0; }

.tight { margin: 0; padding-left: 18px; color: var(--muted); }
.tight li { padding: 5px 0; }
.tight strong { color: var(--text); }

/* ---------- Services catalog (tiles) ---------- */
.tiles-shell {
  background:
    radial-gradient(600px 300px at 50% -20%, var(--accent-soft), transparent 70%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.tiles-wrap { max-width: 1040px; margin: 0 auto; }

.tiles {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.tile {
  position: relative;
  min-height: 232px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.tile.link {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  color: var(--text);
}
.tile.link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, var(--accent-soft), transparent 45%);
  opacity: 0;
  transition: opacity .18s ease;
  pointer-events: none;
}
.tile.link:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
  box-shadow: 0 18px 40px -20px var(--glow);
  color: var(--text);
}
.tile.link:hover::after { opacity: 1; }
.tile h3 { margin: 0 0 10px; color: var(--text); font-size: 1.12rem; letter-spacing: -.01em; }
.tile p { margin: 0; color: var(--muted); font-size: .92rem; }
.tile > div { position: relative; z-index: 1; }
.tile .cta { position: relative; z-index: 1; margin-top: 16px; align-self: flex-start; }

.price { margin-top: 12px; color: var(--accent-2); font-weight: 700; font-size: .95rem; }
.meta {
  margin-top: 12px;
  display: inline-block;
  font-size: .64rem;
  color: var(--accent-2);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  padding: 3px 9px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.stub { border-style: dashed; opacity: .7; }

/* ---------- Panels / steps ---------- */
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
}
.panel h2, .panel h3 { margin-top: 0; }
.span-2 { grid-column: span 2; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
  padding: 20px;
}
.step h3 { margin: 12px 0 8px; font-size: 1.02rem; }
.step p { margin: 0; color: var(--muted); font-size: .92rem; }
.step-num {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-2);
  font-weight: 700;
}

.website-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.checklist { margin: 0; padding-left: 18px; color: var(--muted); }
.checklist li { padding: 5px 0; }
.accent-panel {
  border-color: var(--accent-line);
  background: linear-gradient(160deg, var(--accent-soft), transparent 60%), var(--surface);
}

/* ---------- CTA band ---------- */
.cta-band {
  margin-top: 64px;
  position: relative;
  text-align: center;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(700px 360px at 50% -40%, var(--accent-soft), transparent 70%),
    var(--surface);
  padding: 52px 28px;
  overflow: hidden;
}
.cta-band h2 { margin: 0 0 12px; font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -.02em; }
.cta-band p { margin: 0 auto 24px; color: var(--muted); max-width: 520px; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .015);
  color: var(--muted);
  padding: 30px 22px;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.footer-inner strong { color: var(--text); }
footer a { color: var(--muted); }
footer a:hover { color: var(--accent-2); }
.muted { color: var(--muted); }

/* ---------- Spacing utilities (replace inline style= margins; keeps CSP strict) ---------- */
.u-mt-0  { margin-top: 0; }
.u-mt-16 { margin-top: 16px; }
.u-mt-lg { margin-top: 1.4rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid, .info-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .steps { grid-template-columns: 1fr; }
  .website-grid, .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  /* Let the nav wrap instead of hiding links — keeps navigation usable on phones */
  .nav { flex-wrap: wrap; gap: 10px 16px; padding: 12px 18px; }
  .brand { margin-right: 0; }
  .nav-links { gap: 14px; flex-wrap: wrap; }
  .nav-links a, .nav > a:not(.brand):not(.nav-cta) { font-size: .88rem; }
}

@media (max-width: 700px) {
  main { padding: 36px 18px 64px; }
  .section { margin-top: 48px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .website-grid, .grid { grid-template-columns: 1fr; }
  .hero { padding: 26px; }
  .tiles-shell { padding: 16px; }
  .cta-band { padding: 40px 22px; margin-top: 48px; }
  .top-strip { font-size: .74rem; gap: 8px; }
}

@media (max-width: 480px) {
  /* Stack the nav: brand on top, links below, CTA full-width */
  .nav { flex-direction: column; align-items: stretch; gap: 12px; }
  .brand { justify-content: flex-start; }
  .nav-links { justify-content: space-between; width: 100%; }
  .nav-cta { margin-left: auto; }
  /* Full-width CTAs are easier to tap */
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero h1 { font-size: clamp(1.9rem, 8vw, 2.4rem); }
  .lead { font-size: 1rem; }
  .tile { min-height: 0; }
}

/* ============================================================
   Intake form + thanks components (dev page, shared)
   ============================================================ */
.intake-hero { text-align: center; padding: 8px 28px 4px; }
.intake-hero h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.12; margin: 0 auto 14px; max-width: 660px; }
.intake-hero .lead { max-width: 620px; margin: 0 auto; }
.trust-line { margin-top: 18px; font-size: .82rem; color: var(--faint); }
.intake-section { margin-top: 26px; }
.intake-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 50px -30px rgba(0, 0, 0, .8);
  padding: 30px;
  max-width: 760px;
  margin: 0 auto;
}
.intake-wrap h3 { font-size: 1.25rem; margin: 0 0 6px; }
.intake-wrap .sub, .intake-wrap p { color: var(--muted); font-size: .92rem; margin: 0 0 18px; }
.intake-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.intake-grid .full { grid-column: 1 / -1; }
.intake-wrap label { font-size: .84rem; color: var(--muted); margin-bottom: 5px; display: inline-block; }
.intake-wrap input, .intake-wrap select, .intake-wrap textarea {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: .95rem;
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
}
.intake-wrap input::placeholder, .intake-wrap textarea::placeholder { color: var(--faint); }
.intake-wrap input:focus, .intake-wrap select:focus, .intake-wrap textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.intake-wrap textarea { min-height: 110px; resize: vertical; }
.intake-wrap select option { background: var(--surface-2); color: var(--text); }
.form-note, .form-status { margin-top: 10px; font-size: .82rem; color: var(--faint); }

.thanks-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px 30px;
  text-align: center;
  max-width: 580px;
  margin: 40px auto;
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, .9);
}
.thanks-card .check {
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-2);
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.thanks-card h1 { font-size: 1.6rem; margin: 0 0 12px; }
.thanks-card p { color: var(--muted); margin: 0 0 10px; }
.thanks-card .next { margin-top: 24px; }

@media (max-width: 640px) {
  .intake-grid { grid-template-columns: 1fr; }
}