/* =============================================
   GLOBAL DESIGN SYSTEM — jmeyers
   ============================================= */

:root {
  /* Colors */
  --bg-primary:       #07070f;
  --bg-secondary:     #0d0d1c;
  --bg-card:          rgba(255, 255, 255, 0.04);

  --accent-violet:    #8b5cf6;
  --accent-blue:      #3b82f6;
  --accent-cyan:      #06b6d4;
  --accent-gradient:  linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  --accent-glow:      rgba(139, 92, 246, 0.35);

  --text-primary:     #f1f5f9;
  --text-secondary:   rgba(241, 245, 249, 0.8);
  --text-muted:       rgba(241, 245, 249, 0.65);

  /* Glass */
  --glass-bg:         rgba(255, 255, 255, 0.05);
  --glass-bg-hover:   rgba(255, 255, 255, 0.09);
  --glass-border:     rgba(255, 255, 255, 0.09);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-blur:       20px;
  --glass-blur-heavy: 40px;

  /* Shadows */
  --shadow-sm:    0 2px 12px rgba(0, 0, 0, 0.4);
  --shadow-md:    0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg:    0 24px 64px rgba(0, 0, 0, 0.6);
  --shadow-glow:  0 0 40px rgba(139, 92, 246, 0.2);
  --shadow-glow-strong: 0 0 80px rgba(139, 92, 246, 0.35);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Typography */
  --font-sans:  'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Border radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1.25rem;
  --radius-xl:   2rem;
  --radius-pill: 9999px;

  /* Transitions */
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 600ms;
}

/* =============================================
   RESET & BASE
   ============================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* =============================================
   BACKGROUND SYSTEM
   ============================================= */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(139, 92, 246, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 110%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(6, 182, 212, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* =============================================
   GLASSMORPHISM UTILITIES
   ============================================= */

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

.glass-heavy {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: background var(--duration-base) var(--ease-smooth),
              border-color var(--duration-base) var(--ease-smooth),
              transform var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* =============================================
   LAYOUT
   ============================================= */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--wide {
  max-width: 1400px;
}

.container--narrow {
  max-width: 800px;
}

.section {
  position: relative;
  z-index: 1;
  padding: var(--space-24) 0;
}

.section--xl {
  padding: var(--space-32) 0;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-display {
  font-size: clamp(var(--text-4xl), 7vw, var(--text-7xl));
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.text-headline {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.text-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-violet);
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--duration-base) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
  background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0));
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(139, 92, 246, 0.6);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-ghost:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* =============================================
   SCROLL REVEAL ANIMATIONS
   ============================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* =============================================
   DIVIDER / GLOW LINE
   ============================================= */

.glow-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(139, 92, 246, 0.4) 30%,
    rgba(59, 130, 246, 0.4) 70%,
    transparent 100%
  );
}

/* =============================================
   SCROLLBAR
   ============================================= */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.4);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(139, 92, 246, 0.7);
}

/* =============================================
   SELECTION
   ============================================= */

::selection {
  background: rgba(139, 92, 246, 0.3);
  color: var(--text-primary);
}

/* =============================================
   RESPONSIVE BREAKPOINTS
   ============================================= */

@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-5);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }

  .section {
    padding: var(--space-16) 0;
  }

  .section--xl {
    padding: var(--space-20) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* =============================================
   PAGE LOADER
   ============================================= */

#page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease-smooth);
}

#page-loader.loader--done {
  opacity: 0;
  pointer-events: none;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.loader-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.loader-mark {
  font-size: 4.5rem;
  font-weight: 800;
  font-family: var(--font-sans);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: loader-pulse 1.8s ease-in-out infinite;
  line-height: 1;
}

.loader-name {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.loader-bar-track {
  width: 140px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-pill);
  width: 0%;
  animation: loader-fill 1s var(--ease-smooth) forwards;
}

@keyframes loader-pulse {
  0%, 100% { filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.4)); }
  50%       { filter: drop-shadow(0 0 28px rgba(139, 92, 246, 0.85)); }
}

@keyframes loader-fill {
  to { width: 80%; }
}