/*
 * Jeffs Link LLC - Shared Styles
 * Multi-page website
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=JetBrains+Mono:wght@400;500&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ================================
   CSS Custom Properties
   ================================ */
:root {
  /* Colors */
  --color-midnight: #0a0e1a;
  --color-deep: #111827;
  --color-slate: #1e293b;
  --color-steel: #334155;
  --color-mist: #94a3b8;
  --color-cloud: #e2e8f0;
  --color-white: #ffffff;
  
  /* Accents */
  --color-electric: #06b6d4;
  --color-volt: #22d3ee;
  --color-mint: #10b981;
  --color-coral: #f43f5e;
  --color-amber: #f59e0b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-electric), var(--color-volt));
  --gradient-accent: linear-gradient(135deg, var(--color-electric), var(--color-mint));
  --gradient-text: linear-gradient(90deg, var(--color-electric), var(--color-mint));
  
  /* Typography */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Shadows */
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.3);
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* ================================
   Base Styles
   ================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-midnight);
  color: var(--color-cloud);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

::selection {
  background: rgba(6, 182, 212, 0.3);
  color: var(--color-white);
}

/* ================================
   Typography
   ================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-cloud);
}

.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

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

/* ================================
   Layout
   ================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--space-4xl) 0;
}

/* ================================
   Grid Background Pattern
   ================================ */
.grid-bg {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2306b6d4' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ================================
   Buttons
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-slow);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-midnight);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.btn-secondary {
  background: transparent;
  color: var(--color-electric);
  border: 2px solid rgba(6, 182, 212, 0.5);
}

.btn-secondary:hover {
  background: rgba(6, 182, 212, 0.1);
  border-color: var(--color-electric);
}

.btn-sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

/* ================================
   Cards
   ================================ */
.card {
  background: rgba(30, 41, 59, 0.3);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(51, 65, 85, 0.3);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  transition: all var(--transition-slow);
}

.card:hover {
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(30, 41, 59, 0.5);
}

/* ================================
   Navigation (shared)
   ================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: 1280px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.nav-logo-img {
  height: 2.5rem;
  width: auto;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base);
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
}

.nav-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-midnight);
  font-size: 1.125rem;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-cloud);
  transition: color var(--transition-base);
}

.nav-logo:hover .nav-logo-text {
  color: var(--color-electric);
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  color: var(--color-mist);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-electric);
  transition: width var(--transition-slow);
}

.nav-link:hover {
  color: var(--color-electric);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-electric);
}

.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: var(--space-sm) var(--space-lg);
  background: var(--gradient-primary);
  color: var(--color-midnight);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-slow);
}

.nav-cta:hover {
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

/* Mobile menu button */
.nav-menu-btn {
  display: flex;
  background: none;
  border: none;
  color: var(--color-cloud);
  cursor: pointer;
  padding: var(--space-sm);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  background: var(--color-deep);
  border-top: 1px solid rgba(51, 65, 85, 0.2);
  padding: var(--space-lg);
}

.nav-mobile.open {
  display: block;
}

.nav-mobile-link {
  display: block;
  color: var(--color-mist);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) 0;
  transition: color var(--transition-base);
}

.nav-mobile-link:hover,
.nav-mobile-link.active {
  color: var(--color-electric);
}

/* Desktop nav */
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  
  .nav-menu-btn {
    display: none;
  }
}

/* ================================
   Footer (shared)
   ================================ */
.footer {
  padding: var(--space-3xl) 0;
  background: var(--color-deep);
  border-top: 1px solid rgba(51, 65, 85, 0.2);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
  text-align: left;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--space-lg);
}

.footer-link {
  color: var(--color-mist);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--color-electric);
}

.footer-copy {
  color: rgba(148, 163, 184, 0.6);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ================================
   Animations
   ================================ */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.2); }
  50% { box-shadow: 0 0 40px rgba(6, 182, 212, 0.4); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-glow { animation: pulse-glow 3s ease-in-out infinite; }
.animate-fade-in { animation: fade-in 0.6s ease-out forwards; }

/* Staggered animation delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* ================================
   Utility Classes
   ================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.pt-nav { padding-top: 5rem; } /* Space for fixed nav */

/* ================================
   Form Inputs
   ================================ */
.input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(51, 65, 85, 0.3);
  border-radius: var(--radius-xl);
  color: var(--color-cloud);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.input::placeholder {
  color: rgba(148, 163, 184, 0.5);
}

.input:focus {
  outline: none;
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

textarea.input {
  resize: vertical;
  min-height: 120px;
}

/* ================================
   Tags / Badges
   ================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-radius: var(--radius-full);
}

.tag-electric {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-electric);
}

.tag-mint {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-mint);
}

.tag-coral {
  background: rgba(244, 63, 94, 0.1);
  color: var(--color-coral);
}

.tag-amber {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-amber);
}