/* ============================================
   ATENA CRYPTO — BASE
   Variables, reset, body, navbar, buttons,
   footer, scrollbar, responsive
   ============================================ */

:root {
  --sky-deep:     #03111f;
  --sky-mid:      #042840;
  --sky-light:    #073d5e;
  --aqua:         #00d4ff;
  --aqua-bright:  #38f5ff;
  --aqua-soft:    rgba(0,212,255,0.18);
  --aqua-glow:    rgba(0,212,255,0.35);
  --mint:         #00ffb3;
  --mint-soft:    rgba(0,255,179,0.15);
  --red:          #ff4d6d;
  --gold:         #ffe066;
  --glass-bg:     rgba(255,255,255,0.06);
  --glass-bg2:    rgba(255,255,255,0.11);
  --glass-border: rgba(255,255,255,0.14);
  --glass-shine:  rgba(255,255,255,0.22);
  --glass-shadow: rgba(0,0,0,0.3);
  --text:         #e4f4ff;
  --text-dim:     rgba(190,230,255,0.65);
  --text-faint:   rgba(120,190,230,0.4);
  --font-display: 'Outfit', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --radius:    14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=DM+Mono:wght@300;400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--sky-deep);
  background-image:
    radial-gradient(ellipse 130% 60% at 75% -5%, rgba(0,110,210,0.3) 0%, transparent 60%),
    radial-gradient(ellipse 80% 50% at -5% 85%, rgba(0,70,180,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 55% 40% at 95% 90%, rgba(0,170,160,0.12) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

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

/* NAVBAR */
.navbar {
  position: sticky; top: 0; z-index: 200;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.7rem 2.5rem;
  background: rgba(3,17,31,0.72);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border-bottom: 1px solid rgba(0,212,255,0.13);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 24px rgba(0,0,0,0.4);
}
.logo { display: flex; align-items: center; gap: 0.55rem; font-weight: 800; flex-shrink: 0; }
.logo img { height: 32px; width: auto; filter: drop-shadow(0 0 10px rgba(0,212,255,0.55)); transition: filter 0.2s; }
.logo:hover img { filter: drop-shadow(0 0 14px rgba(0,212,255,0.8)); }
.logo-text {
  background: linear-gradient(135deg, #ffffff 0%, #c0e8ff 50%, var(--aqua-bright) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-size: 0.98rem; letter-spacing: 0.005em;
}
.nav-links { display: flex; gap: 0; flex: 1; margin-left: 0.5rem; }
.nav-links a {
  color: var(--text-dim); font-size: 0.78rem; font-weight: 500;
  padding: 0.4rem 0.55rem; border-radius: 8px; transition: all 0.18s; white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: rgba(0,212,255,0.07); }
.nav-links a.active { color: var(--aqua-bright); background: rgba(0,212,255,0.1); }
.nav-right { display: flex; gap: 0.6rem; align-items: center; margin-left: auto; }

/* BUTTONS */
.btn-primary {
  background: linear-gradient(135deg, #0090c2 0%, #00ccf5 50%, #30f0ff 100%);
  color: #011820; font-family: var(--font-display); font-weight: 700; font-size: 0.85rem;
  padding: 0.48rem 1.3rem; border-radius: 100px; border: none; cursor: pointer;
  display: inline-block; text-align: center;
  box-shadow: 0 2px 14px rgba(0,212,255,0.38), inset 0 1px 0 rgba(255,255,255,0.35);
  transition: all 0.2s; position: relative; overflow: hidden;
}
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.22) 0%, transparent 55%);
  border-radius: inherit; pointer-events: none;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 5px 22px rgba(0,212,255,0.55), inset 0 1px 0 rgba(255,255,255,0.35); }
.btn-primary.btn-lg { padding: 0.7rem 2rem; font-size: 0.95rem; }
.btn-ghost { color: var(--text-dim); font-size: 0.85rem; font-weight: 500; padding: 0.45rem 1rem; border-radius: 100px; transition: all 0.18s; }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.btn-outline {
  border: 1px solid rgba(0,212,255,0.3); color: var(--aqua);
  font-family: var(--font-display); font-weight: 600; font-size: 0.85rem;
  padding: 0.48rem 1.3rem; border-radius: 100px; cursor: pointer;
  display: inline-block; text-align: center;
  background: rgba(0,212,255,0.05); transition: all 0.2s; backdrop-filter: blur(6px);
}
.btn-outline:hover { background: rgba(0,212,255,0.13); border-color: var(--aqua); box-shadow: 0 0 18px rgba(0,212,255,0.2); }
.btn-outline.btn-lg { padding: 0.7rem 2rem; font-size: 0.95rem; }

/* FOOTER */
.footer {
  border-top: 1px solid rgba(0,180,255,0.09); padding: 1.75rem 3rem;
  display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
  background: rgba(3,12,25,0.65); backdrop-filter: blur(12px);
}
.footer-logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; }
.footer-logo img { height: 26px; filter: drop-shadow(0 0 6px rgba(0,212,255,0.4)); }
.footer-links { display: flex; gap: 1.5rem; margin-left: auto; }
.footer-links a { color: var(--text-faint); font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--aqua); }
.footer-copy { color: var(--text-faint); font-size: 0.76rem; font-family: var(--font-mono); }

/* SCROLLBAR */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: rgba(3,14,28,0.5); }
::-webkit-scrollbar-thumb { background: rgba(0,180,255,0.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,180,255,0.38); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .navbar { padding: 0.7rem 1.25rem; }
  .nav-links { display: none; }
  section { padding: 3rem 1.5rem; }
}