/* global.css – FreeRouletteSystems.com
   Base design system, typography, layout, and utility classes
   Mobile‑first, lightweight, SEO‑friendly
*/

:root {
  --bg-body: #050816;
  --bg-surface: #0b1020;
  --bg-alt: #101428;
  --accent: #28e0b9;
  --accent-soft: rgba(40, 224, 185, 0.12);
  --accent-strong: #1bc19c;
  --border-subtle: #1a2338;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-soft: #6b7280;
  --danger: #f97373;
  --warning: #facc15;
  --success: #4ade80;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --nav-height: 64px;
  --container-max: 1100px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-base);
  background: radial-gradient(circle at top, #111827 0, #020617 48%, #000 100%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Top nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(2, 6, 23, 0.92),
    rgba(15, 23, 42, 0.85),
    transparent
  );
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  background: radial-gradient(circle at 10% 0%, #28e0b9 0, #0ea5e9 30%, #020617 85%);
  position: relative;
  box-shadow: 0 0 0 1px rgba(15,23,42,0.6), 0 18px 40px rgba(15,23,42,0.95);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: inherit;
  border: 2px solid rgba(15,23,42,0.9);
}

.brand-mark::after {
  inset: 35%;
  border-width: 1px;
  border-style: dashed;
  opacity: 0.8;
}

.brand-text-main {
  font-weight: 650;
  letter-spacing: 0.03em;
  font-size: 0.98rem;
}

.brand-text-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-soft);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link {
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--text-muted);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-link:hover {
  color: var(--text-main);
  border-color: rgba(40, 224, 185, 0.3);
  background: radial-gradient(circle at top, rgba(40, 224, 185, 0.12), transparent);
}

.nav-link--primary {
  border-radius: var(--radius-pill);
  padding-inline: 0.95rem;
  border-color: rgba(40, 224, 185, 0.5);
  background: radial-gradient(circle at top left, rgba(40, 224, 185, 0.18), transparent);
  color: var(--text-main);
}

.nav-link--primary span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Hero / sections */

.section {
  padding-block: 2.75rem;
}

.section--tight {
  padding-block: 1.75rem;
}

.hero {
  padding-block: 2.75rem 2.25rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr);
  gap: 2.25rem;
}

.hero-eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent));
}

.hero-title {
  font-size: clamp(2rem, 3vw + 1rem, 2.8rem);
  line-height: 1.1;
  margin: 0 0 0.6rem;
}

.hero-kicker {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-soft);
  margin-bottom: 1.2rem;
}

.hero-body {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 40rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.hero-chip {
  font-size: 0.78rem;
  color: var(--text-soft);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.5);
  background: radial-gradient(circle at top left, rgba(148,163,184,0.16), transparent);
}

/* Cards / panels */

.surface {
  background: radial-gradient(circle at top left, rgba(40, 224, 185, 0.12), #020617 68%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15,23,42,0.9);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem 1.3rem;
}

.surface--alt {
  background: radial-gradient(circle at top right, rgba(56,189,248,0.12), #020617 70%);
}

.surface-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.surface-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-soft);
}

.surface-kpi {
  font-size: 0.78rem;
  color: var(--accent);
}

.surface-body {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.65);
  color: var(--text-soft);
}

.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

/* Grids */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 {
  grid-template-columns: minmax(0, 1fr);
}

.grid--3 {
  grid-template-columns: minmax(0, 1fr);
}

/* Lists */

.meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.meta-item-label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-soft);
}

.meta-item-value {
  font-size: 0.9rem;
}

/* Tables */

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 0.6rem;
}

.table th,
.table td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  white-space: nowrap;
}

.table thead th {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-soft);
  border-bottom: 1px solid var(--border-subtle);
}

.table tbody tr:nth-child(odd) td {
  background: rgba(15,23,42,0.7);
}

.table tbody tr:nth-child(even) td {
  background: rgba(15,23,42,0.24);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(40, 224, 185, 0.65);
  background: radial-gradient(circle at top left, rgba(40,224,185,0.18), #020617);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 14px 35px rgba(15,23,42,1);
}

.btn:hover {
  border-color: var(--accent-strong);
  box-shadow: 0 18px 50px rgba(15,23,42,0.98);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(148,163,184,0.6);
  color: var(--text-soft);
  box-shadow: none;
}

.btn-ghost:hover {
  border-color: rgba(148,163,184,0.9);
  color: var(--text-main);
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(15,23,42,0.9);
  background: radial-gradient(circle at top, rgba(15,23,42,0.85), #020617 70%);
  padding-block: 1.8rem 1.6rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  font-size: 0.78rem;
  color: var(--text-soft);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.footer-link {
  text-decoration: none;
  color: var(--text-soft);
}

.footer-link:hover {
  color: var(--text-main);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* Utilities */

.text-muted {
  color: var(--text-muted);
}

.text-soft {
  color: var(--text-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  color: var(--text-soft);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
}

/* Responsive */

@media (min-width: 720px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
    align-items: stretch;
  }

  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-block: 3.25rem 2.75rem;
  }
}