/* =====================================================
   VALFRI.SE - CLEAN DESIGN SYSTEM
   ONLY: Purple + White + Black + Blue
   No greens, no browns, no reds, no ambers, no yellows
   ===================================================== */

:root {
  /* Purple scale */
  --purple-50:  #FAF5FF;
  --purple-100: #F3E8FF;
  --purple-200: #E9D5FF;
  --purple-300: #D8B4FE;
  --purple-400: #C084FC;
  --purple-500: #A855F7;
  --purple-600: #9333EA;
  --purple-700: #7E22CE;
  --purple-800: #6B21A8;
  --purple-900: #581C87;

  /* Blue scale */
  --blue-50:  #EFF6FF;
  --blue-100: #DBEAFE;
  --blue-200: #BFDBFE;
  --blue-300: #93C5FD;
  --blue-400: #60A5FA;
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --blue-700: #1D4ED8;
  --blue-800: #1E40AF;
  --blue-900: #1E3A8A;

  /* Neutrals - black/white/gray only */
  --black:     #000000;
  --gray-950:  #050510;
  --gray-900:  #0A0A1A;
  --gray-850:  #101025;
  --gray-800:  #161630;
  --gray-700:  #1F1F3F;
  --gray-600:  #2D2D55;
  --gray-500:  #6B6B8C;
  --gray-400:  #8B8BAB;
  --gray-300:  #B5B5CC;
  --gray-200:  #D5D5E0;
  --gray-100:  #EBEBF0;
  --gray-50:   #F5F5F8;
  --white:     #FFFFFF;

  /* Brand */
  --bg:          var(--gray-950);
  --bg-elev:     var(--gray-900);
  --text:        var(--white);
  --text-muted:  var(--gray-400);
  --text-dim:    var(--gray-500);
  --primary:     var(--purple-500);
  --accent:      var(--blue-500);
  --gradient:    linear-gradient(135deg, #A855F7 0%, #3B82F6 100%);
  --gradient-soft: linear-gradient(135deg, rgba(168, 85, 247, 0.12) 0%, rgba(59, 130, 246, 0.12) 100%);

  /* Glass */
  --glass-bg:    rgba(255, 255, 255, 0.04);
  --glass-bg-hi: rgba(255, 255, 255, 0.08);
  --glass-blur:  blur(20px) saturate(180%);

  /* Borders */
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-purple: rgba(168, 85, 247, 0.3);

  /* Spacing */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px;
  --s-16: 64px; --s-20: 80px; --s-24: 96px;

  /* Radius */
  --r-sm: 8px; --r: 12px; --r-lg: 16px; --r-xl: 24px; --r-2xl: 32px; --r-full: 999px;

  /* Type */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; background: none; border: none; }
button { cursor: pointer; }
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.1; letter-spacing: -0.025em; color: var(--white); }
ul, ol { list-style: none; }

/* COSMIC BACKGROUND */
body::before {
  content: ''; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 15% 0%, rgba(168, 85, 247, 0.20) 0%, transparent 55%),
    radial-gradient(ellipse 70% 60% at 85% 10%, rgba(59, 130, 246, 0.20) 0%, transparent 55%),
    radial-gradient(ellipse 100% 50% at 50% 100%, rgba(168, 85, 247, 0.10) 0%, transparent 55%),
    var(--gray-950);
}
body::after {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.6) 50%, transparent 100%),
    radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 80% 10%, rgba(255,255,255,0.7) 50%, transparent 100%),
    radial-gradient(1px 1px at 30% 80%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 90% 50%, rgba(255,255,255,0.6) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 10% 90%, rgba(255,255,255,0.7) 50%, transparent 100%),
    radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 70% 30%, rgba(255,255,255,0.6) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 15%, rgba(255,255,255,0.7) 50%, transparent 100%),
    radial-gradient(1px 1px at 25% 60%, rgba(255,255,255,0.5) 50%, transparent 100%);
  background-size: 100% 100%;
  animation: twinkle 5s ease-in-out infinite alternate;
  opacity: 0.4;
}
@keyframes twinkle { from { opacity: 0.3; } to { opacity: 0.55; } }

/* ORBS */
.orb {
  position: fixed; border-radius: 50%; filter: blur(100px); pointer-events: none; z-index: -1;
  opacity: 0.35;
}
.orb-1 { width: 500px; height: 500px; background: var(--purple-500); top: -150px; left: -150px; animation: drift 25s ease-in-out infinite; }
.orb-2 { width: 450px; height: 450px; background: var(--blue-500); bottom: -100px; right: -100px; animation: drift 30s ease-in-out infinite reverse; }
@keyframes drift { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(80px, -60px); } }

/* LAYOUT */
.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--s-6); }
.section { padding: var(--s-20) 0; }

/* GLASS */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.glass-strong {
  background: var(--glass-bg-hi);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
}

/* TYPE */
.h-display { font-size: clamp(2.5rem, 7vw, 5.5rem); font-weight: 900; letter-spacing: -0.045em; line-height: 0.95; }
.h-1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; }
.h-2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; letter-spacing: -0.02em; }
.h-3 { font-size: 1.25rem; font-weight: 700; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--text-muted); }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.center { text-align: center; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 12px 24px; border-radius: var(--r-full);
  font-weight: 600; font-size: 0.95rem;
  transition: all 0.2s ease;
  white-space: nowrap; line-height: 1;
}
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-primary { background: var(--gradient); color: var(--white); box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(168, 85, 247, 0.6); }
.btn-ghost { background: var(--glass-bg); color: var(--white); border: 1px solid var(--border); backdrop-filter: var(--glass-blur); }
.btn-ghost:hover { background: var(--glass-bg-hi); border-color: var(--border-strong); }
.btn-outline { background: transparent; color: var(--white); border: 1px solid var(--border-strong); }
.btn-outline:hover { background: var(--glass-bg); border-color: var(--primary); }

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: var(--s-4) 0;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(10, 10, 26, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); }
.logo { display: flex; align-items: center; gap: var(--s-3); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--white); }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 900; font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(168, 85, 247, 0.5);
}
.nav-links { display: none; align-items: center; gap: var(--s-6); }
.nav-links a { color: var(--gray-300); font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--white); }
.nav-actions { display: flex; align-items: center; gap: var(--s-3); }
@media (min-width: 1024px) { .nav-links { display: flex; } }

/* CARD */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  transition: all 0.3s ease;
}
.card:hover { border-color: var(--border-strong); background: var(--glass-bg-hi); transform: translateY(-4px); }
.card-flat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--s-6); }

/* ICON BOX */
.icon-box {
  width: 56px; height: 56px;
  border-radius: var(--r);
  background: var(--gradient-soft);
  border: 1px solid var(--border-purple);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--purple-300);
}

/* BADGE */
.badge {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 6px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: 0.8rem; font-weight: 500;
  color: var(--gray-300);
}
.badge-purple { background: rgba(168, 85, 247, 0.1); border-color: var(--border-purple); color: var(--purple-300); }
.badge-blue   { background: rgba(59, 130, 246, 0.1);  border-color: rgba(59, 130, 246, 0.3); color: var(--blue-300); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 8px var(--primary); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* INPUTS */
.input {
  width: 100%; padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--white);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.input:focus { outline: none; border-color: var(--primary); background: var(--glass-bg-hi); box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.2); }
.input::placeholder { color: var(--text-dim); }
.label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--gray-300); margin-bottom: var(--s-2); }

/* GRID */
.grid { display: grid; gap: var(--s-6); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* UTILITY */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--s-2); } .gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); } .gap-6 { gap: var(--s-6); } .gap-8 { gap: var(--s-8); }
.mt-2 { margin-top: var(--s-2); } .mt-4 { margin-top: var(--s-4); } .mt-6 { margin-top: var(--s-6); } .mt-8 { margin-top: var(--s-8); }
.mb-2 { margin-bottom: var(--s-2); } .mb-4 { margin-bottom: var(--s-4); } .mb-6 { margin-bottom: var(--s-6); } .mb-8 { margin-bottom: var(--s-8); }
.w-full { width: 100%; }
.relative { position: relative; }
.hidden-mobile { display: none; }
@media (min-width: 768px) { .hidden-mobile { display: initial; } }
@media (max-width: 767px) { .hidden-desktop { display: none; } }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-12);
  align-items: center;
}
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; } }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-8); }

/* FLOATING CARD (for hero visual) */
.float-card {
  background: var(--glass-bg-hi);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: var(--s-4) var(--s-5);
  display: flex; align-items: center; gap: var(--s-3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* FOOTER */
.footer { padding: var(--s-16) 0 var(--s-8); margin-top: var(--s-24); border-top: 1px solid var(--border); background: rgba(5, 5, 16, 0.5); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-10); margin-bottom: var(--s-10); }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray-400); margin-bottom: var(--s-4); font-weight: 600; }
.footer ul { display: flex; flex-direction: column; gap: var(--s-3); }
.footer a { color: var(--gray-300); font-size: 0.95rem; transition: color 0.2s; }
.footer a:hover { color: var(--white); }
.footer-bottom { padding-top: var(--s-6); border-top: 1px solid var(--border); text-align: center; color: var(--text-dim); font-size: 0.85rem; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gray-700); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* SELECTION */
::selection { background: var(--primary); color: var(--white); }

/* FADE IN ANIMATION */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both; }
.d1 { animation-delay: 0.1s; }
.d2 { animation-delay: 0.2s; }
.d3 { animation-delay: 0.3s; }
.d4 { animation-delay: 0.4s; }