/* ============================================================
   ORBITY 360 — Layout
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--dark-base);
  color: var(--white);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── App Shell ── */
.app-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--duration-slow) var(--ease-out);
}

/* ── Main Content ── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden; /* only clip horizontal — allow vertical scroll */
}

/* ── Sections ── */
.section {
  display: none;
  min-height: 100vh;
}

/* Adding .active alone is enough to make a section fully visible */
.section.active {
  display: block;
  opacity: 1;
  transform: none;
}

/* .visible kept so old JS code calling classList.add('visible') still works */
.section.visible {
  opacity: 1;
  transform: none;
}

/* ── Section Inner ── */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-12);
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.section-title .highlight {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Grid Systems ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

/* ── Cards ── */
.card {
  background: var(--grad-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.card:hover {
  border-color: var(--glass-border);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(201,168,76,0.15), rgba(201,168,76,0.05));
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--gold);
  margin-bottom: var(--space-5);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.card-text {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.7;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-out);
}

.btn-gold {
  background: var(--grad-gold);
  color: var(--dark-base);
}

.btn-gold:hover {
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: rgba(201,168,76,0.1);
  box-shadow: var(--shadow-gold);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--white);
  border: 1px solid var(--dark-border);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--gold);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--dark-border), transparent);
  margin: var(--space-8) 0;
}

.divider-gold {
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
}

/* ── Stat Box ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 2px;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Feature List ── */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--off-white);
  line-height: 1.6;
}

.feature-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 7px;
  flex-shrink: 0;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--dark-base);
}
::-webkit-scrollbar-thumb {
  background: var(--dark-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-dark);
}

/* ── Selection ── */
::selection {
  background: rgba(201, 168, 76, 0.3);
  color: var(--white);
}