/* Volta Sovereign AI - Luxury Partner Portal & Admin ERP Design System */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --black: #08070a;
  --black-alt: #0a0a0a;
  --black-card: #0e1013;
  --black-card-2: #14171d;
  --black-border: rgba(212, 175, 55, 0.18);
  --line-subtle: rgba(234, 231, 224, 0.08);
  --line-medium: rgba(234, 231, 224, 0.16);
  --gold: #d4af37;
  --gold-hover: #e6c352;
  --gold-dim: rgba(212, 175, 55, 0.35);
  --gold-glow: rgba(212, 175, 55, 0.12);
  --cream: #eae7e0;
  --cream-dim: #b8b3a8;
  --gray: #7d7870;
  --gray-dark: #22252a;
  --success: #6b9080;
  --warning: #c29547;
  --danger: #9c5b56;
  
  --font-serif: 'Cormorant Garamond', 'Newsreader', Georgia, serif;
  --font-sans: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.08);
  --shadow-elevation: 0 12px 40px rgba(0, 0, 0, 0.7);
}

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

html {
  color-scheme: dark;
  background-color: var(--black);
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Subtle luxury grain */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3, .heading-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--cream);
}

h1 {
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.3;
}

p.lead {
  font-size: 1.15rem;
  color: var(--cream-dim);
  font-weight: 300;
  line-height: 1.7;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--gold-hover);
}

/* Navigation Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 7, 10, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--black-border);
  height: 72px;
  display: flex;
  align-items: center;
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  width: 100%;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--cream);
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.22em;
  font-weight: 600;
  text-transform: uppercase;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-item {
  font-size: 0.88rem;
  color: var(--cream-dim);
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav-item:hover {
  color: var(--cream);
}

.nav-item.active {
  color: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--black-border);
  border-radius: var(--radius-xs);
  overflow: hidden;
  background: rgba(14, 16, 19, 0.6);
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 6px 10px;
  color: var(--cream-dim);
  text-decoration: none;
  transition: all 0.2s;
}

.lang-btn.active {
  background: var(--gold);
  color: var(--black);
  font-weight: 600;
}

/* Luxury Buttons */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.18);
  text-decoration: none;
}

.btn-gold:hover {
  background: var(--gold-hover);
  color: var(--black);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.32);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(14, 16, 19, 0.6);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--black-border);
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 175, 55, 0.06);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.74rem;
}

/* Containers */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Sections */
section.hero-sec {
  padding: 90px 0 70px;
  position: relative;
  background: radial-gradient(circle at 50% 20%, rgba(212, 175, 55, 0.07) 0%, transparent 60%);
}

section.standard-sec {
  padding: 80px 0;
  border-top: 1px solid var(--line-subtle);
}

/* Cards & Surface */
.card-luxury {
  background: linear-gradient(165deg, var(--black-card) 0%, var(--black-card-2) 100%);
  border: 1px solid var(--black-border);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-elevation);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.card-luxury:hover {
  border-color: rgba(212, 175, 55, 0.35);
}

.card-luxury::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.4), rgba(212, 175, 55, 0.05));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Telemetry Counters */
.telemetry-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.1;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

/* Badges & Pills */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--black-border);
  background: rgba(14, 16, 19, 0.8);
  color: var(--cream-dim);
}

.pill-badge.gold {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 175, 55, 0.08);
}

.pill-badge.green {
  border-color: var(--success);
  color: var(--success);
  background: rgba(107, 144, 128, 0.1);
}

.pill-badge.red {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(156, 91, 86, 0.1);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

label.input-label {
  display: block;
  font-size: 0.8rem;
  color: var(--cream-dim);
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

input.input-field, select.input-field, textarea.input-field {
  width: 100%;
  background: rgba(10, 10, 10, 0.85);
  color: var(--cream);
  border: 1px solid var(--line-medium);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

input.input-field:focus, select.input-field:focus, textarea.input-field:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.15);
  background: #000000;
}

/* Tables */
table.luxury-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.luxury-table th {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  border-bottom: 1px solid var(--black-border);
  background: rgba(14, 16, 19, 0.5);
}

table.luxury-table td {
  padding: 16px;
  border-bottom: 1px solid var(--line-subtle);
  font-size: 0.9rem;
  vertical-align: middle;
}

table.luxury-table tr:hover td {
  background: rgba(212, 175, 55, 0.03);
}

/* Modals & Drawers */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-content {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius-md);
  max-width: 620px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.9);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--gray);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--cream);
}

/* Concierge Drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 900;
  display: none;
}

.drawer-backdrop.open {
  display: block;
}

.drawer-sidebar {
  position: fixed;
  top: 0;
  right: -480px;
  width: 460px;
  max-width: 100vw;
  height: 100vh;
  background: var(--black-card);
  border-left: 1px solid var(--black-border);
  z-index: 950;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.drawer-sidebar.open {
  right: 0;
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--line-subtle);
  padding: 60px 0 36px;
  background: var(--black);
}

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

.footer-copy {
  font-size: 0.82rem;
  color: var(--gray);
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--cream-dim);
}

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

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .drawer-sidebar {
    width: 100vw;
  }
}