/* ============================================
   Balanced Day Guide - Main Stylesheet
   Dark Theme with Neon Accents
   ============================================ */

:root {
  --color-bg: #0a0a0a;
  --color-bg-secondary: #1a1a1a;
  --color-text: #ffffff;
  --color-text-muted: #b0b0b0;
  --color-primary: #FFD700;
  --color-secondary: #00D9FF;
  --color-accent: #FF1493;
  --color-border: #333333;
  --color-success: #00FF41;
  
  --font-family-heading: 'Poppins', 'Arial Black', sans-serif;
  --font-family-body: 'Inter', 'Segoe UI', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  --border-radius: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-body);
  line-height: 1.6;
  font-size: 16px;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -1px;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

h2 {
  font-size: 2.5rem;
  color: var(--color-primary);
  text-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
}

h3 {
  font-size: 1.8rem;
  color: var(--color-secondary);
}

h4 {
  font-size: 1.4rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

a:hover {
  color: var(--color-primary);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* ============================================
   Layout & Container
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.section:last-child {
  border-bottom: none;
}

/* ============================================
   Header & Navigation
   ============================================ */

header {
  background-color: var(--color-bg-secondary);
  border-bottom: 2px solid var(--color-primary);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

nav a {
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

nav a:hover,
nav a.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(26, 26, 26, 0.8) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%23333333" stroke-width="0.5" opacity="0.1"/></svg>');
  background-size: cover;
  background-position: center;
  padding: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInDown 0.8s ease-out;
}

.hero .subtitle {
  font-size: 1.3rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.2),
              0 0 60px rgba(0, 217, 255, 0.1);
  animation: fadeInUp 0.8s ease-out 0.4s both;
  margin-top: var(--spacing-lg);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  text-decoration: none;
  font-family: var(--font-family-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-primary);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
  box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: transparent;
  color: var(--color-accent);
  box-shadow: 0 0 30px rgba(255, 20, 147, 0.5);
  transform: translateY(-2px);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-primary);
}

input[type="text"],
input[type="email"],
input[type="phone"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  font-family: var(--font-family-body);
  font-size: 1rem;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="phone"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-row.full {
  grid-template-columns: 1fr;
}

/* ============================================
   Cards & Content Blocks
   ============================================ */

.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: var(--transition);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
  transition: left 0.5s ease;
}

.card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
  transform: translateY(-5px);
}

.card:hover::before {
  left: 100%;
}

.card h3 {
  margin-top: 0;
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

/* ============================================
   Footer
   ============================================ */

footer {
  background-color: var(--color-bg-secondary);
  border-top: 2px solid var(--color-primary);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-text-muted);
}

.footer-section a:hover {
  color: var(--color-secondary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-secondary);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--color-secondary);
  color: var(--color-bg);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.glow {
  animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.4rem;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
  }

  nav.active {
    display: block;
    width: 100%;
  }

  .hero {
    min-height: 400px;
    padding: var(--spacing-lg) 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 12px;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .section {
    padding: var(--spacing-lg) 0;
  }
}

/* ============================================
   Utility Classes
   ============================================ */

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }

.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }

.hidden {
  display: none;
}

.visible {
  display: block;
}

.success-message {
  background-color: rgba(0, 255, 65, 0.1);
  border: 2px solid var(--color-success);
  color: var(--color-success);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.error-message {
  background-color: rgba(255, 20, 147, 0.1);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}