/* Modern CSS Reset and Base Styles */
:root {
  /* Vibrant color palette */
  --turquoise: #06b6d4;
  --turquoise-dark: #0891b2;
  --turquoise-light: #67e8f9;
  --purple: #a855f7;
  --purple-dark: #9333ea;
  --purple-light: #c084fc;
  --pink: #ec4899;
  --pink-dark: #db2777;
  --pink-light: #f9a8d4;
  --yellow: #fbbf24;
  --yellow-dark: #f59e0b;
  --yellow-light: #fde68a;
  
  /* Main colors */
  --primary: var(--turquoise);
  --primary-hover: var(--turquoise-dark);
  --secondary: var(--purple);
  --accent: var(--pink);
  --highlight: var(--yellow);
  
  /* Text and backgrounds */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --background: #ffffff;
  --background-alt: #fefce8;
  --background-accent: #f0fdfa;
  --border: #e0f2fe;
  --shadow: rgba(6, 182, 212, 0.1);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

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

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--turquoise) 0%, var(--purple) 50%, var(--pink) 100%);
  border-radius: var(--radius-full);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  color: var(--purple);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.75;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

/* Navigation */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid transparent;
  background-image: linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)), 
                    linear-gradient(90deg, var(--turquoise) 0%, var(--purple) 33%, var(--pink) 66%, var(--yellow) 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  transition: all var(--transition-base);
}

#nav.scrolled {
  box-shadow: 0 2px 16px var(--shadow);
  border-bottom-width: 3px;
}

#nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  height: 4rem;
  gap: var(--spacing-xs);
}

#nav li {
  display: inline-block;
}

#nav a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--text-primary);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

#nav a:hover {
  color: var(--purple);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  transform: scale(1.05);
}

#nav a.active {
  color: var(--primary);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
}

#nav a.active::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 3rem;
  height: 0.25rem;
  background: linear-gradient(90deg, var(--turquoise) 0%, var(--purple) 50%, var(--pink) 100%);
  border-radius: var(--radius-full);
  animation: colorShift 3s ease-in-out infinite;
}

@keyframes colorShift {
  0%, 100% { transform: translateX(-50%) scaleX(1); }
  50% { transform: translateX(-50%) scaleX(1.2); }
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.wrapper {
  padding: var(--spacing-2xl) 0;
}

.wrapper.style1 {
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
  padding-top: 8rem;
  position: relative;
  overflow: hidden;
}

.wrapper.style1::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.wrapper.style2 {
  background: linear-gradient(180deg, rgba(249, 168, 212, 0.05) 0%, rgba(196, 181, 253, 0.05) 100%);
  position: relative;
}

.wrapper.style2::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 40%;
  height: 40%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

.wrapper.style3 {
  background: linear-gradient(135deg, rgba(254, 252, 232, 1) 0%, rgba(240, 253, 250, 1) 100%);
  position: relative;
}

.wrapper.style3::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.05) 0%, transparent 60%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.wrapper.style4 {
  background: linear-gradient(180deg, rgba(240, 253, 250, 1) 0%, rgba(254, 249, 195, 0.3) 100%);
  position: relative;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

/* Grid */
.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

.col-4 {
  grid-column: span 4;
}

.col-8 {
  grid-column: span 8;
}

@media (max-width: 768px) {
  .col-4,
  .col-8,
  .col-12-medium {
    grid-column: span 12;
  }
}

/* Images */
.image {
  display: block;
  width: 100%;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.image.fit {
  display: block;
}

.image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.image:hover img {
  transform: scale(1.05);
}

/* Buttons */
.button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--purple) 100%);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.2);
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--purple) 0%, var(--pink) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.button:hover {
  color: white;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.3);
}

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

.button span {
  position: relative;
  z-index: 1;
}

.button:active {
  transform: translateY(0) scale(1);
}

.button.large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

.button.scrolly {
  position: relative;
}

/* Home Section */
#top header h1 {
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--purple) 50%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease-in-out infinite;
}

#top header h1 strong {
  font-weight: 800;
}

#top .image {
  box-shadow: 0 8px 24px var(--shadow);
  border: 3px solid transparent;
  background-image: linear-gradient(white, white), 
                    linear-gradient(135deg, var(--turquoise) 0%, var(--purple) 50%, var(--pink) 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  transition: all var(--transition-base);
}

#top .image:hover {
  transform: scale(1.02) rotate(1deg);
  box-shadow: 0 12px 32px rgba(168, 85, 247, 0.3);
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Contact Section */
#contact {
  text-align: center;
}

#contact header {
  max-width: 600px;
  margin: 0 auto;
}

#contact .button {
  margin-top: var(--spacing-lg);
}

/* Footer */
footer {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border);
}

#copyright {
  list-style: none;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* Responsive */
@media (max-width: 768px) {
  :root {
    --font-size-base: 14px;
  }
  
  .wrapper {
    padding: var(--spacing-xl) 0;
  }
  
  .wrapper.style1 {
    padding-top: 6rem;
  }
  
  #nav {
    height: 3.5rem;
  }
  
  #nav ul {
    height: 3.5rem;
    gap: 0;
  }
  
  #nav a {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
  }
  
  .button.large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }
}