/* ═══════════════════════════════════════════════
   NURA NET SPACE — SHARED STYLESHEET
   shared.css
═══════════════════════════════════════════════ */

/* ── FONT: Geist Mono (inline fallback) ── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --accent:       #F59E0B;     /* warm amber */
  --accent-dim:   #D97706;
  --bg:           #0d0d0d;
  --bg-alt:       #111111;
  --text:         #f0f0f0;
  --text-muted:   rgba(240,240,240,0.5);
  --border:       rgba(255,255,255,0.07);
  --nav-height:   64px;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  height: var(--nav-height);
  background: transparents;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  transition: color 0.2s;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── PAGE HERO (for inner pages) ── */
.page-hero {
  padding: calc(var(--nav-height) + 5rem) 8vw 5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.page-hero-label {
  font-family: 'Geist Mono', 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.page-hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.page-hero-sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.75;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb { background: var(--accent); }

/* ── SELECTION ── */
::selection {
  background: var(--accent);
  color: #000;
}

/* ── RESPONSIVE NAVBAR ── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(8,8,8,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 4vw;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; }
}