/* ============================================================
   STYLES.CSS
   Shared components: nav, footer, sections, buttons, eyebrow,
   page-header, CTA, trustbar, terminal, services grid, etc.
   ============================================================ */

/* === LAYOUT === */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

section { padding: 120px 0; position: relative; }

@media (max-width: 768px) {
  section { padding: 80px 0; }
}

.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  margin-bottom: 80px;
  align-items: start;
}

@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 56px; }
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  padding-top: 8px;
  border-top: 1px solid var(--line-bright);
  display: inline-block;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 880px;
}

.section-title em {
  font-style: italic;
  color: var(--ink-dim);
  font-weight: 300;
}

/* === NAVBAR === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 20px 0;
  background: rgba(10, 12, 13, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text span:first-child { color: var(--ink); }
.logo-text span:last-child {
  color: var(--ink-mute);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--ink-dim);
  font-size: 13px;
  transition: color 0.2s ease;
  font-weight: 400;
  position: relative;
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  padding: 10px 16px;
  background: var(--accent);
  color: var(--bg) !important;
  border-radius: 2px;
  font-weight: 500 !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-cta:hover {
  background: var(--ink) !important;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-bright);
  color: var(--ink);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Mobile menu Close button — only visible when menu is open on small screens */
.nav-close {
  display: none;
  background: transparent;
  border: 1px solid var(--line-bright);
  color: var(--ink);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line);
    padding: 24px 32px;
    gap: 20px;
    align-items: flex-start;
  }
  /* Close button appears bottom-right when menu is open */
  .nav-links.open .nav-close {
    display: inline-block;
    align-self: flex-end;
    margin-top: 12px;
  }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  font-family: var(--font-mono);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--ink);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-bright);
}

.btn-ghost:hover {
  border-color: var(--ink-dim);
  background: var(--bg-elev);
}

.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* === EYEBROW === */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  padding: 6px 12px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

/* === PAGE HEADER (sub-pages) === */
.page-header {
  padding: 180px 0 80px;
  border-bottom: 1px solid var(--line);
}

.page-header-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  align-items: start;
}

@media (max-width: 800px) {
  .page-header-grid { grid-template-columns: 1fr; gap: 24px; }
}

.page-header-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  padding-top: 8px;
  border-top: 1px solid var(--line-bright);
  display: inline-block;
}

.page-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(44px, 6vw, 80px);
  line-height: 1;
  letter-spacing: -0.035em;
  margin-bottom: 32px;
}

.page-title em { font-style: italic; color: var(--accent); }

.page-lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 720px;
}

/* === TRUSTBAR === */
.trustbar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  background: var(--bg-elev);
  overflow: hidden;
}

.trustbar-inner {
  display: flex;
  align-items: center;
  gap: 64px;
  flex-wrap: wrap;
}

.trustbar-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.trust-items {
  display: flex;
  gap: 56px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
  flex-wrap: wrap;
}

.trust-items span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-items span::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* === TERMINAL === */
.terminal {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  animation: fade 1s ease 0.4s backwards;
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5);
}

.terminal-bar {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--line);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-bright);
}

.terminal-title {
  margin-left: 12px;
  color: var(--ink-mute);
  font-size: 11px;
}

.terminal-body {
  padding: 18px 16px;
  color: var(--ink-dim);
  line-height: 1.7;
  min-height: 280px;
}

.terminal-line { display: block; }
.terminal-prompt { color: var(--accent); margin-right: 8px; }
.terminal-comment { color: var(--ink-mute); }
.terminal-ok { color: var(--accent); }
.terminal-warn { color: var(--warn); }
.terminal-key { color: var(--info); }
.terminal-str { color: #ffb86c; }

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

/* === 4-QUADRANT TERMINAL VARIANT === */
/* Used on the home page hero. Mimics a tmux/xpanes session with four
   ops contexts visible at once. Each pane has a small accent label in
   its bottom-left, like tmux pane-status. */

.terminal-quad .terminal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

.terminal-pane {
  background: var(--bg-card);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 175px;
  overflow: hidden;
}

.terminal-pane .terminal-body {
  padding: 12px 14px 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--ink-dim);
  min-height: 0;
  flex: 1;
  overflow: hidden;
}

.terminal-pane .terminal-line {
  display: block;
  white-space: pre;
  overflow: hidden;
}

.pane-label {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background: var(--accent);
  color: var(--bg);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 2px;
  line-height: 1.3;
  z-index: 1;
}

/* On narrower screens, stack the 4 panes vertically so content stays readable */
@media (max-width: 600px) {
  .terminal-quad .terminal-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, auto);
  }
  .terminal-pane { min-height: 140px; }
}

/* === CTA SECTION === */
.cta-section {
  background: var(--accent);
  color: var(--bg);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}

@media (max-width: 800px) { .cta-inner { grid-template-columns: 1fr; } }

.cta-section h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--bg);
}

.cta-section h2 em { font-style: italic; }

.cta-section .btn-primary {
  background: var(--bg);
  color: var(--accent);
  padding: 18px 28px;
  font-size: 15px;
}

.cta-section .btn-primary:hover {
  background: var(--ink);
  color: var(--bg);
}

.cta-meta {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(10, 12, 13, 0.6);
  letter-spacing: 0.04em;
}

.cta-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(10, 12, 13, 0.6);
  margin-bottom: 32px;
}

/* === FOOTER === */
footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

.footer-brand p {
  margin-top: 20px;
  font-size: 14px;
  color: var(--ink-dim);
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  font-weight: 500;
}

.footer-col li { margin-bottom: 12px; }

.footer-col a {
  color: var(--ink-dim);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-col a:hover { color: var(--ink); }

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 16px;
}

/* === SERVICE CARDS (shared between home & services) === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service {
  background: var(--bg);
  padding: 44px 32px;
  position: relative;
  transition: background 0.3s ease;
  display: flex;
  flex-direction: column;
}

.service:hover { background: var(--bg-elev); }

.service-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  margin-bottom: 24px;
  display: block;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 28px;
  color: var(--accent);
}

.service h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--ink);
}

.service p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-dim);
  margin-bottom: 24px;
  flex: 1;
}

.service-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-bright);
  transition: gap 0.2s ease;
}

.service-link:hover { gap: 12px; }