/* ==========================================================================
   BIM CITY STUDIO — Stealth VIP Gate Design System
   Exact aesthetic parity with bimcity.gr (Architectural Minimalist)
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --white: #f9f8f6;
  --black: #0e0e0d;
  --grey: #8a8a85;
  --mid: #d4d3cf;
  --accent: #b5a98a;
  --accent-dark: #8c7f60;
  --line: 1px solid #d4d3cf;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-mono: 'DM Mono', monospace;
}

html, body {
  height: 100%;
}

body.stealth-mode {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 13px;
  line-height: 1.7;
  cursor: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-x: hidden;
  position: relative;
}

/* Subtle Architectural Blueprint Background Grid */
body.stealth-mode::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 39px, var(--mid) 39px, var(--mid) 40px),
              repeating-linear-gradient(90deg, transparent, transparent 39px, var(--mid) 39px, var(--mid) 40px);
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}

/* Custom Architectural Cursor */
.cursor {
  width: 8px;
  height: 8px;
  background: var(--black);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  visibility: hidden;
  will-change: transform;
}

.cursor-ring {
  width: 32px;
  height: 32px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9998;
  visibility: hidden;
  will-change: transform;
}

*, *:hover, a, a:hover, button, button:hover, input, textarea, [onclick], [role="button"] {
  cursor: none !important;
}

/* Navigation Header */
nav.stealth-nav {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  background: rgba(249, 248, 246, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: var(--line);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.nav-logo span.tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--accent-dark);
  letter-spacing: 0.18em;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--grey);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover {
  color: var(--black);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--grey);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-dark);
  box-shadow: 0 0 6px var(--accent);
}

/* Central Stealth Gate Main */
main.stealth-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.stealth-card {
  width: 100%;
  max-width: 580px;
  background: var(--white);
  border: var(--line);
  padding: 64px 54px;
  box-shadow: 0 20px 50px rgba(14, 14, 13, 0.04);
  position: relative;
  text-align: left;
}

.stealth-eyebrow {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 16px;
}

.stealth-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.5vw, 62px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 16px;
}

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

.stealth-tagline {
  font-size: 12.5px;
  color: var(--grey);
  line-height: 1.8;
  margin-bottom: 36px;
}

/* Input Row */
.stealth-field {
  display: flex;
  align-items: stretch;
  border: var(--line);
  background: #ffffff;
  transition: border-color 0.3s;
}

.stealth-field:focus-within {
  border-color: var(--black);
}

.stealth-field input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--black);
  outline: none;
}

.stealth-field input::placeholder {
  color: #a8a8a2;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stealth-field button {
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 0 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.stealth-field button:hover {
  background: var(--accent-dark);
}

.stealth-feedback {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.08em;
  min-height: 20px;
  color: var(--grey);
}

.stealth-feedback.error {
  color: #a05a5a;
}

.stealth-feedback.success {
  color: var(--accent-dark);
}

/* Master Studio Vault (Only revealed for BIMCITY) */
.master-vault {
  display: none;
  margin-top: 40px;
  padding-top: 32px;
  border-top: var(--line);
  animation: bcFadeUp 0.4s ease forwards;
}

@keyframes bcFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.master-vault-header {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 16px;
}

.master-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.master-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: var(--line);
  background: #ffffff;
  color: var(--black);
  text-decoration: none;
  font-size: 12px;
  transition: all 0.25s ease;
}

.master-link-item:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.master-link-item .m-num {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.master-link-item:hover .m-num {
  color: var(--accent);
}

.master-link-item .m-name {
  flex: 1;
  margin: 0 16px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
}

.master-link-item .m-arr {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Footer */
footer.stealth-footer {
  position: relative;
  z-index: 10;
  border-top: var(--line);
  padding: 28px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(249, 248, 246, 0.92);
}

footer.stealth-footer p {
  font-size: 11px;
  color: var(--grey);
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 11px;
  color: var(--grey);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
  nav.stealth-nav { padding: 20px 24px; }
  .stealth-card { padding: 40px 24px; }
  .stealth-title { font-size: 36px; }
  .stealth-field { flex-direction: column; gap: 8px; border: none; background: transparent; }
  .stealth-field input { border: var(--line); background: #ffffff; padding: 14px; }
  .stealth-field button { padding: 14px; }
  footer.stealth-footer { padding: 24px; flex-direction: column; gap: 14px; text-align: center; }
  *, *:hover, a, a:hover, button, button:hover, input, textarea { cursor: auto !important; }
  .cursor, .cursor-ring { display: none !important; }
}