/* Base & Reset */
:root {
  --bg-color: #030108;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  
  --purple-400: #c084fc;
  --purple-500: #a855f7;
  
  --cyan-400: #22d3ee;
  
  --emerald-400: #34d399;
  --emerald-500: #10b981;
  
  --red-400: #f87171;
  
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography Utilities */
.font-space { font-family: 'Space Grotesk', sans-serif; }
.font-jakarta { font-family: 'Plus Jakarta Sans', sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.text-8xl { font-size: 6rem; line-height: 1; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

/* Colors */
.text-white { color: #ffffff; }
.text-slate-300 { color: #cbd5e1; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-indigo-300 { color: #a5b4fc; }
.text-indigo-400 { color: var(--indigo-400); }
.text-cyan-400 { color: var(--cyan-400); }
.text-purple-400 { color: var(--purple-400); }
.text-emerald-400 { color: var(--emerald-400); }
.text-emerald-500 { color: var(--emerald-500); }
.text-red-400 { color: var(--red-400); }

.bg-black { background-color: #000000; }
.bg-black\/30 { background-color: rgba(0, 0, 0, 0.3); }
.bg-black\/40 { background-color: rgba(0, 0, 0, 0.4); }
.bg-black\/50 { background-color: rgba(0, 0, 0, 0.5); }
.bg-black\/60 { background-color: rgba(0, 0, 0, 0.6); }

.text-gradient {
  background: linear-gradient(135deg, var(--indigo-400), var(--purple-400), var(--cyan-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-w: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
.max-w-2xl { max-w: 42rem; }
.max-w-3xl { max-w: 48rem; }
.max-w-4xl { max-w: 56rem; }
.max-w-5xl { max-w: 64rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.h-full { height: 100%; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }
.gap-16 { gap: 4rem; }

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

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
}
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  .md\:flex-row-reverse { flex-direction: row-reverse; }
  .md\:text-right { text-align: right; }
  .md\:pl-8 { padding-left: 2rem; }
  .md\:pr-8 { padding-right: 2rem; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
}

/* Spacing Utilities */
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.pt-6 { padding-top: 1.5rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-8 { padding-bottom: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Positioning & Display */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-1\/2 { left: 50%; }
.top-1\/2 { top: 50%; }
.top-24 { top: 6rem; }
.-top-3 { top: -0.75rem; }
.-right-3 { right: -0.75rem; }
.z-10 { z-index: 10; }
.transform { transform: translate(var(--tw-translate-x, 0), var(--tw-translate-y, 0)) rotate(var(--tw-rotate, 0)) skewX(var(--tw-skew-x, 0)) skewY(var(--tw-skew-y, 0)) scaleX(var(--tw-scale-x, 1)) scaleY(var(--tw-scale-y, 1)); }
.-translate-x-1\/2 { --tw-translate-x: -50%; }
.-translate-y-1\/2 { --tw-translate-y: -50%; }

.hidden { display: none !important; }
.block { display: block; }
.min-h-screen { min-height: 100vh; }
.overflow-hidden { overflow: hidden; }

/* Borders & Radius */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; }

.border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-indigo-500\/20 { border-color: rgba(99, 102, 241, 0.2); }
.border-indigo-500\/30 { border-color: rgba(99, 102, 241, 0.3); }
.border-emerald-500\/30 { border-color: rgba(16, 185, 129, 0.3); }
.border-transparent { border-color: transparent; }
.border-indigo-500 { border-color: var(--indigo-500); }
.border-\[\#08040f\] { border-color: #08040f; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* 3D Background */
#canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

.content-overlay {
  position: relative;
  z-index: 1;
}

/* Custom Components */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.glass-heavy {
  background: rgba(10, 5, 20, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: 'Space Grotesk', sans-serif;
}

.glow-purple {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--purple-400);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
}

.glow-orb {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: linear-gradient(to right, var(--indigo-600), var(--purple-500));
  color: white;
}

.btn-primary.glow-button {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.btn-primary.glow-button:hover {
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.6);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero features */
.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  transition: transform 0.3s ease;
}
.feature-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.04);
}
.feature-item .icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo-400);
  font-size: 1.25rem;
}

/* Cards & Record Anatomy */
.card {
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid var(--glass-border);
}
.highlight-border {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: inset 0 0 40px rgba(16, 185, 129, 0.05);
}

.data-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 1.25rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}
.data-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}
.data-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.glow-blue { background: rgba(59, 130, 246, 0.1); color: #60a5fa; box-shadow: 0 0 15px rgba(59, 130, 246, 0.2); }
.glow-green { background: rgba(16, 185, 129, 0.1); color: #34d399; box-shadow: 0 0 15px rgba(16, 185, 129, 0.2); }
.glow-pink { background: rgba(236, 72, 153, 0.1); color: #f472b6; box-shadow: 0 0 15px rgba(236, 72, 153, 0.2); }
.glow-cyan { background: rgba(6, 182, 212, 0.1); color: #22d3ee; box-shadow: 0 0 15px rgba(6, 182, 212, 0.2); }

.data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  font-size: 0.75rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Calculator Tabs & Packages */
.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}
.tab-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}
.tab-btn.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
  border-color: rgba(168, 85, 247, 0.3);
}
.tab-btn.active i {
  color: var(--purple-400);
}

.package-card {
  position: relative;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.package-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.2);
}
.package-card.active {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.4);
}

/* Custom Range Slider */
.custom-range-wrap {
  position: relative;
  height: 8px;
  border-radius: 9999px;
  background: #0f172a;
}
.custom-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 20;
}
.slider-progress {
  position: absolute;
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(to right, var(--indigo-500), var(--purple-500), var(--cyan-400));
  width: 50%;
  z-index: 10;
  pointer-events: none;
}
.slider-thumb {
  position: absolute;
  top: 50%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--purple-400);
  border: 2px solid white;
  transform: translate(-50%, -50%);
  z-index: 15;
  left: 50%;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.6);
  pointer-events: none;
}

/* Form Styles */
input:focus, textarea:focus, select:focus {
  outline: none;
}

.peer:checked ~ .peer-checked\:bg-indigo-500 { background-color: var(--indigo-500); }
.peer:checked ~ .peer-checked\:border-indigo-500 { border-color: var(--indigo-500); }
.peer:checked ~ div i { opacity: 1; }

.resize-none { resize: none; }
.resize-y { resize: vertical; }

.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.shadow-indigo-900\/20 { box-shadow: 0 25px 50px -12px rgba(49, 46, 129, 0.2); }