/* ═══════════════════════════════════════════════════════════
   eAIze Design System — shared.css
   eaize.com · info@eaize.com
═══════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── Tokens ── */
:root {
  --bg:           #070b13;
  --bg2:          #0b1120;
  --panel:        #0d1526;
  --panel-hover:  #101d33;
  --border:       #1a2d47;
  --border-hover: #2a4a72;
  --text:         #ddeaf8;
  --text-dim:     #64788f;
  --text-muted:   #374f66;

  --accent:   #38bdf8;   /* sky   — guide 1 / primary */
  --violet:   #a78bfa;   /* guide 2 */
  --emerald:  #34d399;   /* guide 3 */
  --amber:    #fbbf24;   /* guide 4 */
  --rose:     #fb7185;   /* guide 5 */

  --page-accent: var(--accent); /* overridden per page */

  --sans: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --radius:  8px;
  --radius-lg: 14px;
  --shadow:  0 4px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.55);
  --glow:    0 0 24px rgba(56,189,248,.18);
  --nav-h:   58px;
  --trans:   all .2s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--page-accent); text-decoration: none; transition: var(--trans); }
a:hover { opacity: .85; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--body); border: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3 { font-family: var(--sans); line-height: 1.2; color: #fff; }
h1 { font-size: clamp(28px, 5vw, 48px); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: clamp(20px, 3vw, 26px); font-weight: 600; letter-spacing: -.01em; }
h3 { font-size: 13.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--amber); margin: 22px 0 8px; }
p  { color: #b8cfe6; font-size: 15px; line-height: 1.65; }
code, .code {
  font-family: var(--mono);
  background: #111d33;
  color: var(--page-accent);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 13px;
}
pre {
  background: #060a11;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  color: #8ecff5;
  margin: 12px 0;
  white-space: pre-wrap;
  line-height: 1.6;
}
ul, ol { padding-left: 20px; color: #b8cfe6; font-size: 14.5px; }
li { margin: 5px 0; }
strong { color: #ddeaf8; }

/* ── SITE NAV ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(7,11,19,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  gap: 16px;
}
.nav-logo {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -.02em;
  transition: var(--trans);
}
.nav-logo:hover { opacity: 1; transform: scale(1.02); }
.nav-logo .ai { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: var(--trans);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 10px;
  right: 10px;
  height: 1px;
  background: var(--page-accent);
  transform: scaleX(0);
  transition: transform .2s ease;
  transform-origin: left;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.06); opacity: 1; }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--page-accent); font-weight: 600; }
.nav-links a.active::after { transform: scaleX(1); }

.nav-email {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--trans);
}
.nav-email:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(56,189,248,.07);
  opacity: 1;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--trans);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(7,11,19,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  padding: 16px 24px 20px;
  gap: 4px;
  z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  padding: 10px 12px;
  border-radius: 6px;
  transition: var(--trans);
}
.mobile-menu a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.mobile-menu a.active { color: var(--page-accent); }
.mobile-menu .mob-email {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

/* ── PAGE HEADER ── */
.page-header {
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 42px 28px 36px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -60px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(56,189,248,.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(167,139,250,.05) 0%, transparent 70%);
  pointer-events: none;
}
.page-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--page-accent);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-header h1 { max-width: 680px; }
.page-header p {
  color: var(--text-dim);
  font-size: 15px;
  margin-top: 8px;
  max-width: 560px;
}

/* ── WRAP ── */
.wrap {
  max-width: 1020px;
  margin: 0 auto;
  padding: 36px 24px 80px;
}

/* ── GUIDE NAV (TAB SWITCHER) ── */
.guide-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
}
.guide-nav button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  padding: 7px 14px;
  border-radius: 6px;
  transition: var(--trans);
}
.guide-nav button:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--panel-hover);
  transform: translateY(-1px);
}
.guide-nav button.active {
  color: var(--bg);
  background: var(--page-accent);
  border-color: var(--page-accent);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(56,189,248,.25);
}

/* ── SECTIONS ── */
section { display: none; }
section.active { display: block; animation: fadeUp .22s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}
section h2 { margin: 32px 0 10px; }
section h2:first-child { margin-top: 0; }

/* ── CARDS ── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 14px 0;
  transition: var(--trans);
}
.card:hover {
  border-color: var(--border-hover);
  background: var(--panel-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── TAGS ── */
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 20px;
  margin-bottom: 8px;
  transition: var(--trans);
}
.tag.pro  { background: rgba(56,189,248,.1);  color: var(--accent);  border: 1px solid rgba(56,189,248,.25); }
.tag.con  { background: rgba(251,191,36,.1);  color: var(--amber);   border: 1px solid rgba(251,191,36,.25); }
.tag.blue { background: rgba(167,139,250,.1); color: var(--violet);  border: 1px solid rgba(167,139,250,.25); }
.tag.green{ background: rgba(52,211,153,.1);  color: var(--emerald); border: 1px solid rgba(52,211,153,.25); }
.tag.red  { background: rgba(251,113,133,.1); color: var(--rose);    border: 1px solid rgba(251,113,133,.25); }
.tag:hover { transform: scale(1.05); }

/* ── TABLES ── */
.table-wrap { overflow-x: auto; margin: 14px 0; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 480px; }
th, td { border: 1px solid var(--border); padding: 9px 13px; text-align: left; vertical-align: top; }
th {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--amber);
  background: var(--bg2);
}
td { color: #b8cfe6; }
tr { transition: background .15s; }
tbody tr:hover { background: rgba(56,189,248,.04); }

/* ── BADGE ROW ── */
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  flex: 1;
  min-width: 130px;
  transition: var(--trans);
}
.metric:hover {
  border-color: var(--page-accent);
  box-shadow: 0 0 0 1px var(--page-accent) inset;
  transform: translateY(-2px);
}
.metric .n { font-family: var(--mono); color: var(--page-accent); font-size: 17px; font-weight: 700; }
.metric .l { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; margin-top: 4px; }

/* ── FLOW ── */
.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 16px 0;
  font-family: var(--mono);
  font-size: 12.5px;
}
.flow .step {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 8px 13px;
  border-radius: 6px;
  color: var(--text);
  transition: var(--trans);
}
.flow .step:hover { border-color: var(--page-accent); color: var(--page-accent); }
.flow .arrow { color: var(--text-muted); }

/* ── Q&A ACCORDION ── */
.qa {
  border-left: 3px solid var(--border);
  background: var(--panel);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 12px 0;
  padding: 14px 18px;
  cursor: pointer;
  transition: var(--trans);
}
.qa:hover {
  border-left-color: var(--page-accent);
  background: var(--panel-hover);
  transform: translateX(2px);
  box-shadow: var(--shadow);
}
.qa.open {
  border-left-color: var(--page-accent);
  background: var(--panel-hover);
}
.qa .q {
  font-weight: 600;
  color: #fff;
  font-size: 14.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.qa .q::after {
  content: '+';
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: 20px;
  flex-shrink: 0;
  transition: transform .2s ease;
}
.qa.open .q::after { content: '–'; transform: rotate(180deg); }
.qa .a {
  display: none;
  margin-top: 10px;
  color: #b8cfe6;
  font-size: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  line-height: 1.65;
}
.qa.open .a { display: block; }

/* ── COMPARE BOX ── */
.compare-box {
  background: #060a11;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 10px 0;
}
.compare-box .label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}

/* ── NOTE ── */
.note {
  font-size: 13px;
  color: var(--text-dim);
  font-style: italic;
  padding: 10px 16px;
  background: rgba(255,255,255,.02);
  border-radius: 6px;
  border-left: 2px solid var(--border);
  margin: 12px 0;
  line-height: 1.6;
}

/* ── LAYER ROW ── */
.layer-row {
  display: flex;
  gap: 0;
  margin: 18px 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.layer-cell {
  flex: 1;
  padding: 12px 14px;
  border-right: 1px solid var(--border);
  text-align: center;
  transition: var(--trans);
}
.layer-cell:last-child { border-right: none; }
.layer-cell:hover { background: var(--panel-hover); }
.layer-cell .ln { font-family: var(--mono); font-size: 12px; color: var(--page-accent); font-weight: 600; }
.layer-cell .ld { font-size: 11.5px; color: var(--text-dim); margin-top: 4px; }

/* ── PILL ── */
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 20px;
  background: rgba(56,189,248,.1);
  color: var(--accent);
  border: 1px solid rgba(56,189,248,.25);
  margin: 2px 3px;
  transition: var(--trans);
}
.pill:hover { background: rgba(56,189,248,.2); transform: scale(1.05); }

/* ── FOOTER ── */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 36px 28px;
}
.footer-inner {
  max-width: 1020px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.footer-brand .logo {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
  margin-bottom: 6px;
}
.footer-brand .logo .ai { color: var(--accent); }
.footer-brand p {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0;
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.footer-links a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  transition: var(--trans);
}
.footer-links a:hover { color: var(--accent); }
.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  border: 1px solid rgba(56,189,248,.3);
  padding: 6px 14px;
  border-radius: 20px;
  transition: var(--trans);
  text-decoration: none;
}
.footer-email:hover {
  background: rgba(56,189,248,.1);
  box-shadow: 0 0 16px rgba(56,189,248,.15);
  opacity: 1;
}
.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 8px;
  transition: var(--trans);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #5ccffa;
  box-shadow: 0 0 22px rgba(56,189,248,.35);
  transform: translateY(-2px);
  opacity: 1;
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(56,189,248,.4);
}
.btn-outline:hover {
  background: rgba(56,189,248,.1);
  border-color: var(--accent);
  transform: translateY(-2px);
  opacity: 1;
}

/* ── CONTACT FORM ── */
.contact-form { max-width: 560px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--body);
  font-size: 14.5px;
  padding: 10px 14px;
  border-radius: var(--radius);
  transition: var(--trans);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-honey { display: none !important; }

/* ── HIGHLIGHT CHIPS ── */
.chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 20px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  color: var(--text-dim);
  margin: 2px 3px;
  transition: var(--trans);
}
.chip:hover { border-color: var(--border-hover); color: var(--text); }

/* ── SECTION DIVIDER ── */
.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── GUIDE COLORS OVERRIDES ── */
/* Applied via class on <body> */
body.g1 { --page-accent: #38bdf8; }
body.g2 { --page-accent: #a78bfa; }
body.g3 { --page-accent: #34d399; }
body.g4 { --page-accent: #fbbf24; }
body.g5 { --page-accent: #fb7185; }
body.g6 { --page-accent: #818cf8; }
body.g7 { --page-accent: #2dd4bf; }

body.g1 .guide-nav button.active { box-shadow: 0 4px 14px rgba(56,189,248,.3); }
body.g2 .guide-nav button.active { box-shadow: 0 4px 14px rgba(167,139,250,.3); }
body.g3 .guide-nav button.active { box-shadow: 0 4px 14px rgba(52,211,153,.3); }
body.g4 .guide-nav button.active { box-shadow: 0 4px 14px rgba(251,191,36,.3); }
body.g5 .guide-nav button.active { box-shadow: 0 4px 14px rgba(251,113,133,.3); }
body.g6 .guide-nav button.active { box-shadow: 0 4px 14px rgba(129,140,248,.3); }
body.g7 .guide-nav button.active { box-shadow: 0 4px 14px rgba(45,212,191,.3); }

body.g2 pre { color: #c4b5fd; }
body.g3 pre { color: #86efac; }
body.g4 pre { color: #fde68a; }
body.g5 pre { color: #fda4af; }
body.g6 pre { color: #c7d2fe; }
body.g7 pre { color: #99f6e4; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  :root { --nav-h: 54px; }
  .nav-links, .nav-email { display: none; }
  .nav-toggle { display: flex; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .wrap { padding: 24px 16px 60px; }
  .page-header { padding: 28px 20px 24px; }
  .badge-row { flex-direction: column; }
  .metric { min-width: unset; }
  .layer-row { flex-direction: column; }
  .layer-cell { border-right: none; border-bottom: 1px solid var(--border); }
  .layer-cell:last-child { border-bottom: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { align-items: flex-start; }
  .flow { gap: 6px; }
  .flow .step { font-size: 11.5px; padding: 6px 10px; }
  .site-nav { padding: 0 16px; }
  h1 { font-size: clamp(24px, 6vw, 36px); }
}
@media (max-width: 480px) {
  .guide-nav { gap: 6px; }
  .guide-nav button { font-size: 11px; padding: 6px 10px; }
  table { font-size: 12.5px; }
  pre { font-size: 11.5px; }
  .qa .q { font-size: 13.5px; }
}
@media (min-width: 769px) and (max-width: 1280px) {
  .wrap { padding: 32px 20px 70px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}