/* ============================================================
   TERMINAL4KI — MAIN STYLESHEET
   Minimal Brutalism × Retro-Tech Terminal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&family=Inter+Tight:ital,wght@0,100..900;1,100..900&display=swap');

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; text-size-adjust: 100%; }

/* ── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
  --col-bg:          #080808;
  --col-surface:     #0f0f0f;
  --col-surface-2:   #161616;
  --col-border:      #2a2a2a;
  --col-border-hi:   #404040;
  --col-accent:      #00ff9d;
  --col-accent-dim:  #00cc7a;
  --col-accent-2:    #ff6b35;
  --col-warn:        #ffcc00;
  --col-text:        #e0e0e0;
  --col-text-dim:    #888888;
  --col-text-faint:  #404040;
  --col-invert-bg:   #e0e0e0;
  --col-invert-text: #080808;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  --font-sans: "Inter Tight", "Helvetica Neue", sans-serif;
  --max-w: 1280px;
}

/* ── BASE ───────────────────────────────────────────────────── */
body {
  background: var(--col-bg);
  color: var(--col-text);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* CRT scanline overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.12) 2px, rgba(0,0,0,0.12) 4px
  );
  pointer-events: none;
  z-index: 9999;
  opacity: 0.35;
}

/* ── TYPOGRAPHY ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.6rem); }

p { max-width: 68ch; line-height: 1.8; }

a {
  color: var(--col-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}
a:hover { border-bottom-color: var(--col-accent); }

/* ── LAYOUT ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 3rem);
}

/* ── HEADER ─────────────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--col-bg);
  border-bottom: 1px solid var(--col-border);
  padding-block: 1rem;
}

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

.site-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--col-text);
  text-decoration: none;
  letter-spacing: -0.05em;
  border-bottom: none;
}

.site-logo .logo-bracket { color: var(--col-accent); font-weight: 300; }
.site-logo:hover { color: var(--col-accent); }

.site-logo::after {
  content: "_";
  color: var(--col-accent);
  animation: blink 1s step-end infinite;
}

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

/* ── NAV ────────────────────────────────────────────────────── */
#main-nav ul {
  display: flex;
  list-style: none;
  align-items: center;
}

#main-nav a {
  display: block;
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--col-text-dim);
  border-bottom: none;
  border-left: 1px solid var(--col-border);
  transition: color 0.15s, background 0.15s;
}

#main-nav a:hover,
#main-nav .current-menu-item a {
  color: var(--col-accent);
  background: var(--col-surface);
}

.nav-cta {
  background: var(--col-accent) !important;
  color: var(--col-invert-text) !important;
  font-weight: 700 !important;
  margin-left: 1rem;
  border-left: none !important;
}

.nav-cta:hover {
  background: var(--col-accent-dim) !important;
  color: var(--col-invert-text) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--col-border);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--col-text);
}

/* ── HERO ───────────────────────────────────────────────────── */
#hero {
  min-height: 90vh;
  display: grid;
  align-items: center;
  border-bottom: 1px solid var(--col-border);
  position: relative;
  overflow: hidden;
}

#hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,157,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,157,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 6rem;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--col-accent);
  border: 1px solid var(--col-accent);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-label::before { content: "▶"; font-size: 0.6em; }

.hero-headline {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-headline .hl-accent { color: var(--col-accent); display: block; }

.hero-subline {
  font-size: 0.95rem;
  color: var(--col-text-dim);
  max-width: 50ch;
  line-height: 1.85;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Terminal Widget */
.hero-terminal {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  font-size: 0.8rem;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--col-border);
  background: var(--col-surface-2);
}

.t-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--col-border-hi); }
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; }

.terminal-title { font-size: 0.65rem; color: var(--col-text-dim); margin-left: 0.5rem; }

.terminal-body { padding: 1.25rem 1.5rem; }

.t-line {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.75rem;
  gap: 0.2rem;
}

.t-prompt { color: var(--col-accent); }
.t-cmd { color: var(--col-text); padding-left: 0.5rem; display: inline; }
.t-out { color: var(--col-text-dim); padding-left: 0.5rem; display: block; }
.t-success { color: var(--col-accent); }
.t-warn { color: var(--col-warn); }
.t-cursor::after { content: "▊"; color: var(--col-accent); animation: blink 1s step-end infinite; }

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border: 1px solid currentColor;
  transition: all 0.15s;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.btn-primary {
  background: var(--col-accent);
  color: var(--col-invert-text);
  border-color: var(--col-accent);
}
.btn-primary:hover {
  background: transparent;
  color: var(--col-accent);
  border-bottom-color: var(--col-accent);
}

.btn-outline {
  background: transparent;
  color: var(--col-text);
  border-color: var(--col-border-hi);
}
.btn-outline:hover {
  border-color: var(--col-text);
  border-bottom-color: var(--col-text);
}

/* ── BADGES ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid;
}

.badge::before { content: "●"; font-size: 0.5em; }
.badge-green  { color: var(--col-accent);   border-color: var(--col-accent);   background: rgba(0,255,157,0.08); }
.badge-orange { color: var(--col-accent-2); border-color: var(--col-accent-2); background: rgba(255,107,53,0.08); }
.badge-yellow { color: var(--col-warn);     border-color: var(--col-warn);     background: rgba(255,204,0,0.08); }
.badge-white  { color: var(--col-text);     border-color: var(--col-border-hi);background: var(--col-surface); }

/* ── SECTIONS ───────────────────────────────────────────────── */
.section { padding-block: 6rem; border-bottom: 1px solid var(--col-border); }

.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--col-text-faint);
  margin-bottom: 2rem;
}

.section-label::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--col-text-faint);
}

.section-headline {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-headline .accent { color: var(--col-accent); }

.section-sub {
  font-size: 0.9rem;
  color: var(--col-text-dim);
  max-width: 58ch;
  line-height: 1.85;
  margin-bottom: 3rem;
}

/* ── CARDS ───────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--col-border);
  background: var(--col-border);
}

.card {
  background: var(--col-surface);
  padding: 2rem;
  position: relative;
  transition: background 0.2s;
}

.card:hover { background: var(--col-surface-2); }

.card-num {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.65rem;
  color: var(--col-text-faint);
  letter-spacing: 0.05em;
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  display: block;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--col-text);
}

.card-text {
  font-size: 0.8rem;
  color: var(--col-text-dim);
  line-height: 1.8;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.card-featured { border-top: 2px solid var(--col-accent); }

/* ── STATS ───────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--col-border);
  margin-block: 4rem;
}

.stat-item {
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--col-border);
  text-align: center;
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--col-accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--col-text-dim);
}

/* ── PROCESS ────────────────────────────────────────────────── */
.process-list { display: grid; gap: 0; }

.process-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--col-border);
  align-items: start;
}

.process-num {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--col-text-faint);
  line-height: 1;
  text-align: right;
  padding-right: 1.5rem;
  border-right: 1px solid var(--col-border);
}

.process-content h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.process-content p {
  font-size: 0.8rem;
  color: var(--col-text-dim);
  line-height: 1.8;
}

/* ── CTA ────────────────────────────────────────────────────── */
#cta {
  background: var(--col-surface);
  padding-block: 6rem;
  text-align: center;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
#site-footer {
  padding-block: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--col-border);
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--col-text-dim);
  margin-top: 1rem;
  line-height: 1.75;
}

.footer-col h4 {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--col-text-dim);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col a {
  font-size: 0.8rem;
  color: var(--col-text-dim);
  border-bottom: none;
}
.footer-col a:hover { color: var(--col-accent); }

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

.footer-copy {
  font-size: 0.65rem;
  color: var(--col-text-faint);
  letter-spacing: 0.05em;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  color: var(--col-text-dim);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--col-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-top: 1px solid var(--col-border); border-right: 1px solid var(--col-border); }
  .stat-item:nth-child(4) { border-top: 1px solid var(--col-border); border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .process-item { grid-template-columns: 60px 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  #main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--col-bg);
    border-bottom: 1px solid var(--col-border);
    padding: 1rem;
  }

  #main-nav.open { display: flex; flex-direction: column; }
  #main-nav ul { flex-direction: column; width: 100%; }
  #main-nav a {
    border-left: none;
    border-bottom: 1px solid var(--col-border);
    width: 100%;
  }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; border-bottom: none !important; }
  .menu-toggle { display: flex; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions, .cta-actions { flex-direction: column; }
  .btn { justify-content: center; }
}