/* ════════════════════════════════════════
   NEXUS AUTOMATION
   Aesthetic: Terminal / Developer-native
   Single accent. Monospace dominant.
   No gradients. No glow. Just craft.
   ════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Geist:wght@300;400;500&display=swap');

:root {
  --bg:        #0c0c0c;
  --bg-2:      #111111;
  --bg-3:      #161b22;
  --bg-4:      #1c2128;

  --border:    #21262d;
  --border-2:  #30363d;

  --text:      #cdd9e5;
  --text-2:    #8b949e;
  --text-3:    #4d5566;

  --green:     #3ddc84;
  --green-dim: rgba(61,220,132,0.1);
  --green-bg:  rgba(61,220,132,0.06);

  --syn-kw:    #ff7b72;
  --syn-fn:    #d2a8ff;
  --syn-str:   #a5d6ff;
  --syn-num:   #79c0ff;
  --syn-cmt:   #484f58;
  --syn-dec:   #ffa657;

  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sans: 'Geist', system-ui, sans-serif;

  --radius:    4px;
  --radius-md: 6px;
  --t:         0.18s ease;
  --t-md:      0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--mono);
  background: var(--bg);
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.28) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 14px;
}

/* Canvas bg layer */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
}

/* All direct section children sit above canvas */
nav, section, footer, .tech-section, .process-section, .proof-section, .cta-section {
  position: relative;
  z-index: 1;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

::selection { background: var(--green-dim); color: var(--green); }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ─── NAV ──────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: var(--t-md);
}

.nav.scrolled {
  background: rgba(12,12,12,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  transition: var(--t);
}

.nav-logo:hover { color: #fff; }

.logo-mark {
  width: 38px; height: 38px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  transition: var(--t);
}

.nav-logo:hover .logo-mark {
  border-color: var(--green);
  background: var(--green-bg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: 0.04em;
  transition: var(--t);
}

.nav-links a:not(.nav-cta):hover { color: var(--text); }

.nav-cta {
  padding: 7px 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--bg-3);
  font-size: 12px;
  color: var(--text) !important;
  font-weight: 500;
  transition: var(--t);
}

.nav-cta:hover {
  border-color: var(--green);
  color: var(--green) !important;
  background: var(--green-bg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--text-2);
  transition: var(--t-md);
}

/* ─── HERO ─────────────────────────── */
.hero {
  padding: 120px 0 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 72px;
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

.hero-eyebrow::before {
  content: '//';
  color: var(--green);
  font-weight: 700;
  margin-right: 2px;
}

.hero-title {
  font-family: var(--mono);
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-title .dim { color: var(--text-2); font-weight: 400; }
.hero-title .acc { color: var(--green); }

.hero-sub {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 400px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--green);
  color: #0a1a0f;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  border: 1px solid var(--green);
  transition: var(--t);
  cursor: pointer;
}

.btn-primary:hover {
  background: #52e896;
  border-color: #52e896;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: var(--t);
}

.btn-secondary:hover {
  border-color: var(--text-2);
  color: var(--text);
}

/* Terminal */
.hero-terminal {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
}

.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-dot:nth-child(1) { background: #ff5f57; }
.term-dot:nth-child(2) { background: #febc2e; }
.term-dot:nth-child(3) { background: #28c840; }

.term-title {
  margin-left: 8px;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.term-body {
  padding: 20px;
  min-height: 320px;
}

.tline { display: block; margin-bottom: 2px; opacity: 0; transition: opacity 0.08s; }
.tline.show { opacity: 1; }
.tline.blank { height: 10px; }

.t-prompt { color: var(--green); }
.t-cmd    { color: var(--text); }
.t-dim    { color: var(--text-3); }
.t-ok     { color: var(--green); }
.t-warn   { color: #e3b341; }
.t-err    { color: var(--syn-kw); }
.t-val    { color: var(--syn-num); }
.t-path   { color: var(--syn-fn); }

.cursor {
  display: inline-block;
  width: 7px; height: 13px;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-stats {
  display: flex;
  border-top: 1px solid var(--border);
}

.stat-item {
  flex: 1;
  padding: 16px 20px;
  border-right: 1px solid var(--border);
  transition: var(--t);
}

.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--bg-3); }

.stat-val {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-lbl {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ─── TECH ─────────────────────────── */
.tech-section {
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.tech-inner {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
}

.tech-label-cell {
  padding: 14px 24px;
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-right: 1px solid var(--border);
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  font-family: var(--mono);
}

.tech-items {
  display: flex;
  align-items: stretch;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 20px;
  border-right: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-3);
  transition: var(--t);
  cursor: default;
  white-space: nowrap;
  font-family: var(--mono);
}

.tech-item:hover { background: var(--bg-3); color: var(--text); }
.tech-item .ti-name { color: var(--text-2); }
.tech-item .ti-ver { font-size: 10px; color: var(--text-3); }

/* ─── SECTION SHARED ───────────────── */
.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}

.sec-label {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-family: var(--mono);
}

.sec-label span { color: var(--green); }

.sec-title {
  font-family: var(--mono);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.sec-title .fn-name { color: var(--syn-fn); }
.sec-title .paren   { color: var(--text-3); font-weight: 400; }

.sec-desc {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.72;
  font-weight: 300;
  max-width: 520px;
  margin-bottom: 52px;
}

/* ─── SOLUTIONS ────────────────────── */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sol-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background var(--t-md);
  position: relative;
}

.sol-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.sol-card:hover { background: var(--bg-2); }
.sol-card:hover::before { transform: scaleX(1); }

.sol-num {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  display: block;
}

.sol-icon { font-size: 20px; margin-bottom: 16px; display: block; }

.sol-title {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.sol-desc {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 24px;
}

.sol-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.sol-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-3);
  transition: var(--t);
}

.sol-card:hover .sol-tag {
  border-color: var(--border-2);
  color: var(--green);
}

/* ─── PROCESS ──────────────────────── */
.process-section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.process-file {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 52px;
}

.file-tabs {
  display: flex;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.file-tab {
  padding: 10px 20px;
  font-size: 11px;
  color: var(--text-3);
  border-right: 1px solid var(--border);
  cursor: default;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.file-tab.active {
  color: var(--text);
  background: var(--bg-2);
  border-bottom: 2px solid var(--green);
  margin-bottom: -1px;
}

.file-body {
  display: grid;
  grid-template-columns: 44px 1fr;
  background: var(--bg);
}

.line-nums {
  padding: 20px 0;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  text-align: right;
  user-select: none;
}

.ln {
  display: block;
  padding: 0 12px;
  font-size: 12px;
  color: var(--text-3);
  line-height: 2.05;
  min-width: 44px;
  font-family: var(--mono);
}

.code-lines {
  padding: 20px 28px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 2.05;
  overflow-x: auto;
}

.cl { display: block; white-space: pre; }
.cl .cmt { color: var(--syn-cmt); font-style: italic; }
.cl .kw  { color: var(--syn-kw); }
.cl .fn  { color: var(--syn-fn); }
.cl .str { color: var(--syn-str); }
.cl .num { color: var(--syn-num); }
.cl .dec { color: var(--syn-dec); }
.cl .g   { color: var(--green); }
.cl .dim { color: var(--text-3); }
.cl .pl  { color: var(--text); }

/* ─── PROOF ────────────────────────── */
.proof-section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}

.proof-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.proof-badge {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--mono);
}

.proof-badge span { color: var(--green); }

.proof-title {
  font-family: var(--mono);
  font-size: clamp(20px, 2.3vw, 28px);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.025em;
  line-height: 1.28;
  margin-bottom: 16px;
}

.proof-desc {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 36px;
}

.proof-metrics {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.pm {
  flex: 1;
  padding: 18px 22px;
  border-right: 1px solid var(--border);
  background: var(--bg-2);
  transition: var(--t);
}

.pm:last-child { border-right: none; }
.pm:hover { background: var(--bg-3); }

.pm-val {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}

.pm-lbl {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.proof-code {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  background: var(--bg);
}

.code-hdr {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.cdot { width: 10px; height: 10px; border-radius: 50%; }
.cdot:nth-child(1) { background: #ff5f57; }
.cdot:nth-child(2) { background: #febc2e; }
.cdot:nth-child(3) { background: #28c840; }

.code-fname {
  margin-left: 6px;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.code-bdy { padding: 20px; overflow-x: auto; }

pre {
  white-space: pre;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.72;
}

pre .kw  { color: var(--syn-kw); }
pre .fn  { color: var(--syn-fn); }
pre .str { color: var(--syn-str); }
pre .num { color: var(--syn-num); }
pre .cmt { color: var(--syn-cmt); font-style: italic; }
pre .dec { color: var(--syn-dec); }
pre .g   { color: var(--green); }
pre .pl  { color: var(--text); }

/* ─── CTA ──────────────────────────── */
.cta-section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  transition: border-color var(--t-md);
}

.cta-inner:hover { border-color: var(--border-2); }

.cta-prompt {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  font-family: var(--mono);
}

.cta-prompt span { color: var(--green); }

.cta-title {
  font-family: var(--mono);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.cta-sub {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  font-weight: 300;
}

.cta-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  flex-shrink: 0;
}

.cta-note {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.06em;
  font-family: var(--mono);
}

/* ─── FOOTER ───────────────────────── */
.footer {
  padding: 28px 0;
  background: var(--bg-2);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.footer-copy {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.footer-links { display: flex; gap: 20px; }

.footer-links a {
  font-size: 12px;
  color: var(--text-3);
  transition: var(--t);
  font-family: var(--mono);
}

.footer-links a:hover { color: var(--text); }

/* ─── REVEAL ANIMATION ─────────────── */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1),
              transform 0.55s cubic-bezier(0.16,1,0.3,1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: 0.06s; }
.d2 { transition-delay: 0.12s; }
.d3 { transition-delay: 0.18s; }

/* ─── RESPONSIVE ───────────────────── */
@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-terminal   { display: none; }
  .solutions-grid  { grid-template-columns: 1fr; gap: 1px; }
  .proof-layout    { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner       { grid-template-columns: 1fr; }
  .cta-right       { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--bg);
    padding: 80px 28px 28px;
    gap: 20px;
    z-index: 99;
  }
  .nav-links.open a { font-size: 17px; color: var(--text); }
  .nav-toggle { display: flex; z-index: 101; }

  .section, .process-section, .proof-section, .cta-section { padding: 72px 0; }
  .hero { padding: 100px 0 72px; min-height: auto; }
  .hero-title { font-size: 26px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .cta-title { font-size: 22px; }
  .footer .container { flex-direction: column; align-items: flex-start; }
}