/* ========================================
   CSS Variables & Root Styles
======================================== */
:root {
  /* Split-Complementary Color Scheme */
  --primary-color: #4A90FF;
  --primary-dark: #2D6BFF;
  --primary-light: #7AB3FF;
  
  --secondary-color: #FF6B4A;
  --secondary-dark: #E5522D;
  --secondary-light: #FF8C7A;
  
  --tertiary-color: #FFB84A;
  --tertiary-dark: #E5A230;
  --tertiary-light: #FFD07A;
  
  --accent-color: #6C5CE7;
  --accent-dark: #5A4FCF;
  --accent-light: #8B7EEA;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --black: #000000;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  
  /* Gradient Backgrounds */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--tertiary-color));
  --gradient-dark: linear-gradient(135deg, var(--gray-800), var(--gray-900));
  --gradient-light: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  
  /* Neumorphism Variables */
  --neu-light-shadow: 8px 8px 16px rgba(163, 177, 198, 0.4);
  --neu-dark-shadow: -8px -8px 16px rgba(255, 255, 255, 0.8);
  --neu-inset-light: inset 8px 8px 16px rgba(163, 177, 198, 0.2);
  --neu-inset-dark: inset -8px -8px 16px rgba(255, 255, 255, 0.9);
  
  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  
  /* 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;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Animations */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ========================================
   Base Styles & Typography
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--gray-50);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--gray-600);
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Read More Links */
.read-more {
  color: var(--primary-color);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.read-more:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary-color);
  transform: translateX(4px);
}

.read-more::after {
  content: '→';
  transition: var(--transition-fast);
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* ========================================
   Global Button Styles
======================================== */
.btn,
button,
input[type='submit'],
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
}

.btn:hover,
button:hover,
input[type='submit']:hover,
.button:hover {
  transform: translateY(-2px);
  box-shadow: 
    12px 12px 24px rgba(163, 177, 198, 0.5),
    -12px -12px 24px rgba(255, 255, 255, 0.9);
  color: var(--white);
  text-decoration: none;
}

.btn:active,
button:active,
input[type='submit']:active,
.button:active {
  transform: translateY(0);
  box-shadow: var(--neu-inset-light), var(--neu-inset-dark);
}

/* Button Variants */
.btn-secondary,
.button.is-light {
  background: var(--gradient-secondary);
}

.btn-outline,
.button.is-outlined {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
}

.btn-outline:hover,
.button.is-outlined:hover {
  background: var(--primary-color);
  color: var(--white);
}

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

.btn-small,
.button.is-small {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* ========================================
   Particle Animation
======================================== */
@keyframes particleFloat {
  0% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(120deg); }
  66% { transform: translateY(5px) rotate(240deg); }
  100% { transform: translateY(0px) rotate(360deg); }
}

@keyframes particlePulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: particleFloat 6s infinite ease-in-out,
             particlePulse 4s infinite ease-in-out;
  opacity: 0.4;
}

.particle:nth-child(2n) {
  background: var(--accent-color);
  animation-delay: -2s;
}

.particle:nth-child(3n) {
  background: var(--secondary-color);
  animation-delay: -4s;
}

/* ========================================
   Neumorphism Components
======================================== */
.neu-card {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  padding: var(--space-xl);
  transition: var(--transition-normal);
}

.neu-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    12px 12px 24px rgba(163, 177, 198, 0.5),
    -12px -12px 24px rgba(255, 255, 255, 0.9);
}

.neu-inset {
  box-shadow: var(--neu-inset-light), var(--neu-inset-dark);
}

/* ========================================
   Navigation Styles
======================================== */
.navbar {
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: var(--transition-normal);
  z-index: var(--z-fixed);
}

.navbar.scrolled {
  background: rgba(248, 250, 252, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
}

.navbar-item {
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.navbar-item:hover {
  color: var(--primary-color);
  background: rgba(74, 144, 255, 0.1);
  text-decoration: none;
}

/* ========================================
   Hero Section
======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    rgba(0, 0, 0, 0.6) 100%
  );
  z-index: 1;
}

.hero-body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-3xl) 0;
}

.hero .title,
.hero .subtitle,
.hero p {
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero .title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--white), var(--gray-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

.contact-info {
  margin-top: var(--space-xl);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.image-container {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 
    20px 20px 40px rgba(163, 177, 198, 0.4),
    -20px -20px 40px rgba(255, 255, 255, 0.8);
}

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

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

/* ========================================
   Section Styles
======================================== */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section.has-background-light {
  background: var(--gradient-light);
}

/* ========================================
   Card Components
======================================== */
.card,
.box {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: var(--transition-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover,
.box:hover {
  transform: translateY(-8px);
  box-shadow: 
    16px 16px 32px rgba(163, 177, 198, 0.5),
    -16px -16px 32px rgba(255, 255, 255, 0.9);
}

.card-image {
  position: relative;
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.card-image:hover img {
  transform: scale(1.1);
}

.card-content {
  padding: var(--space-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.card-content .title {
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.card-content p {
  flex-grow: 1;
  margin-bottom: var(--space-lg);
}

/* ========================================
   Portfolio Section
======================================== */
#portfolio .columns {
  gap: var(--space-xl);
}

#portfolio .card {
  height: 100%;
  transition: var(--transition-normal);
}

#portfolio .card:hover {
  transform: translateY(-8px) rotate(1deg);
}

/* ========================================
   Projects Section
======================================== */
.project-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: var(--transition-normal);
  margin-bottom: var(--space-xl);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    12px 12px 24px rgba(163, 177, 198, 0.5),
    -12px -12px 24px rgba(255, 255, 255, 0.9);
}

.project-card .image-container {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.tag {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--gray-200);
  color: var(--gray-700);
}

.tag.is-primary { 
  background: var(--primary-color); 
  color: var(--white); 
}

.tag.is-info { 
  background: var(--accent-color); 
  color: var(--white); 
}

.tag.is-success { 
  background: var(--secondary-color); 
  color: var(--white); 
}

.tag.is-warning { 
  background: var(--tertiary-color); 
  color: var(--white); 
}

/* ========================================
   Pricing Section
======================================== */
.pricing-card {
  position: relative;
  text-align: center;
  padding: var(--space-2xl);
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    20px 20px 40px rgba(163, 177, 198, 0.5),
    -20px -20px 40px rgba(255, 255, 255, 0.9);
}

.pricing-card.is-popular {
  border: 3px solid var(--primary-color);
  transform: scale(1.05);
  z-index: 1;
}

.popular-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin: var(--space-xl) 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--gray-200);
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* ========================================
   Sustainability Section
======================================== */
.sustainability-features {
  margin-top: var(--space-xl);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: var(--transition-normal);
}

.feature-item:hover {
  transform: translateX(8px);
}

.feature-content h4 {
  margin-bottom: var(--space-xs);
}

/* ========================================
   Community Section
======================================== */
.team-member,
#community .card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.team-member .card-image,
#community .card-image {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-member img,
#community .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.social-links .button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  padding: 0;
  background: var(--gray-200);
  color: var(--gray-600);
}

.social-links .button:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* ========================================
   Resources Section
======================================== */
#resources .box {
  height: 100%;
  transition: var(--transition-normal);
}

#resources .box:hover {
  transform: translateY(-4px);
}

#resources .title a {
  color: var(--gray-900);
  text-decoration: none;
  transition: var(--transition-fast);
}

#resources .title a:hover {
  color: var(--primary-color);
}

/* ========================================
   Contact Section
======================================== */
.contact-info {
  margin-bottom: var(--space-xl);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: var(--transition-normal);
}

.info-item:hover {
  transform: translateX(4px);
}

.info-content h4 {
  margin-bottom: var(--space-xs);
}

.contact-form {
  background: var(--white);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
}

.field {
  margin-bottom: var(--space-lg);
}

.label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--gray-700);
}

.input,
.textarea,
.select select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
  box-shadow: var(--neu-inset-light);
}

.input:focus,
.textarea:focus,
.select select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 
    var(--neu-inset-light),
    0 0 0 3px rgba(74, 144, 255, 0.1);
}

/* ========================================
   Footer Styles
======================================== */
.footer {
  background: var(--gradient-dark);
  color: var(--gray-300);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
}

.footer-brand {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--gray-400);
  transition: var(--transition-fast);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

.social-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-buttons a {
  color: var(--gray-400);
  font-size: 1.1rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  border: 1px solid var(--gray-600);
}

.social-buttons a:hover {
  color: var(--primary-light);
  border-color: var(--primary-light);
  background: rgba(74, 144, 255, 0.1);
  transform: translateY(-2px);
}

/* ========================================
   Success Page Styles
======================================== */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-light);
}

.success-content {
  text-align: center;
  padding: var(--space-3xl);
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Privacy & Terms Pages
======================================== */
.privacy-page,
.terms-page {
  padding-top: 100px;
  min-height: 100vh;
  background: var(--gray-50);
}

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-3xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
}

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

.has-text-white { color: var(--white) !important; }
.has-text-primary { color: var(--primary-color) !important; }
.has-text-secondary { color: var(--secondary-color) !important; }
.has-text-dark { color: var(--gray-900) !important; }
.has-text-light { color: var(--gray-400) !important; }

.has-background-primary { background: var(--primary-color) !important; }
.has-background-light { background: var(--gray-50) !important; }
.has-background-dark { background: var(--gray-900) !important; }

.is-hidden { display: none !important; }
.is-visible { display: block !important; }

.mb-1 { margin-bottom: var(--space-xs) !important; }
.mb-2 { margin-bottom: var(--space-sm) !important; }
.mb-3 { margin-bottom: var(--space-md) !important; }
.mb-4 { margin-bottom: var(--space-lg) !important; }
.mb-5 { margin-bottom: var(--space-xl) !important; }
.mb-6 { margin-bottom: var(--space-2xl) !important; }

.mt-1 { margin-top: var(--space-xs) !important; }
.mt-2 { margin-top: var(--space-sm) !important; }
.mt-3 { margin-top: var(--space-md) !important; }
.mt-4 { margin-top: var(--space-lg) !important; }
.mt-5 { margin-top: var(--space-xl) !important; }
.mt-6 { margin-top: var(--space-2xl) !important; }

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1200px) {
  .hero .title {
    font-size: 3rem;
  }
  
  .columns {
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 2rem;
    --space-2xl: 1.5rem;
  }
  
  .hero {
    background-attachment: scroll;
  }
  
  .hero .title {
    font-size: 2.5rem;
  }
  
  .hero .subtitle {
    font-size: 1.25rem;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .pricing-card.is-popular {
    transform: none;
  }
  
  .feature-item {
    flex-direction: column;
    text-align: center;
  }
  
  .project-card .columns {
    flex-direction: column;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .social-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero .title {
    font-size: 2rem;
  }
  
  .btn,
  button,
  .button {
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-lg);
  }
  
  .card-content,
  .box {
    padding: var(--space-lg);
  }
  
  .pricing-card {
    padding: var(--space-lg);
  }
}

/* ========================================
   Performance Optimizations
======================================== */
.will-change {
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================
   Print Styles
======================================== */
@media print {
  .navbar,
  .footer,
  .btn,
  button {
    display: none !important;
  }
  
  .section {
    page-break-inside: avoid;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}