/* ═══════════════════════════════════════════
   MINESIX.IO — Global Design System
   Dark Mode · Neon Accent · Premium SaaS
═══════════════════════════════════════════ */

:root {
  --bg-base:       #070810;
  --bg-surface:    #0d0f1e;
  --bg-elevated:   #12152a;
  --bg-card:       #141728;
  --bg-card-hover: #191d30;

  --border:        rgba(255,255,255,0.06);
  --border-glow:   rgba(168,85,247,0.25);

  --accent-purple: #A855F7;
  --accent-cyan:   #00D4FF;
  --accent-mid:    #6E3FD0;
  --accent-green:  #10B981;
  --accent-red:    #EF4444;

  --text-primary:  #F0F2FF;
  --text-secondary:#9AA3C2;
  --text-muted:    #525878;

  --font-sans:     'Inter', system-ui, sans-serif;
  --font-display:  'Space Grotesk', system-ui, sans-serif;

  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-xl:     28px;

  --shadow-glow-purple: 0 0 40px rgba(168,85,247,0.15);
  --shadow-glow-cyan:   0 0 40px rgba(0,212,255,0.15);
  --shadow-card:        0 4px 24px rgba(0,0,0,0.4);

  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }
a { color: inherit; text-decoration: none; }

.gradient-text {
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-purple);
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 60px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: var(--transition);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(168,85,247,0.4); }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(168,85,247,0.08);
  border-color: var(--accent-purple);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.btn-lg { padding: 15px 32px; font-size: 1rem; border-radius: var(--radius-lg); }

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(7,8,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-hex { width: 38px; height: 38px; }
.logo-hex svg { width: 100%; height: 100%; }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}
.logo-dot { color: var(--accent-purple); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin: 0 auto;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }

.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow-purple);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--accent-mid); border-radius: 3px; }

/* ── Selection ── */
::selection { background: rgba(168,85,247,0.3); color: #fff; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions .btn-ghost { display: none; }
  .hamburger { display: flex; }
  .section { padding: 64px 0; }
  .section-title { font-size: 1.8rem; }
}