/* Variables */
:root {
  /* Primary Colors */
  --primary-color: #2a4b8d;
  --primary-light: #4a6bbd;
  --primary-dark: #1a2b5d;
  
  /* Secondary Colors */
  --secondary-color: #424242;
  --secondary-light: #626262;
  --secondary-dark: #222222;
  
  /* Text Colors */
  --text-dark: #333333;
  --text-light: #ffffff;
  --text-muted: #777777;
  
  /* Background Colors */
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  --bg-dark: #333333;
  
  /* Accents */
  --accent-color: #3273dc;
  --accent-light: #52a3fc;
  --accent-dark: #1253ac;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  --gradient-overlay: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7));
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  
  /* Shadows */
  --shadow-small: 0 2px 5px rgba(0,0,0,0.1);
  --shadow-medium: 0 5px 15px rgba(0,0,0,0.1);
  --shadow-large: 0 15px 30px rgba(0,0,0,0.1);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 50%;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Merriweather', serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--accent-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container & Grid */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  font-size: 1.2rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-small);
  transition: background-color var(--transition-medium);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.navbar-brand {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.navbar-brand a {
  color: var(--primary-color);
}

.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-item {
  margin-left: var(--spacing-md);
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  color: var(--text-dark);
  transition: color var(--transition-fast);
}

.navbar-item:hover {
  color: var(--primary-color);
}

.navbar-burger {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.navbar-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-dark);
  position: absolute;
  left: 0;
  transition: all var(--transition-fast);
}

.navbar-burger span:nth-child(1) {
  top: 0;
}

.navbar-burger span:nth-child(2) {
  top: 9px;
}

.navbar-burger span:nth-child(3) {
  top: 18px;
}

.navbar-burger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-burger.is-active span:nth-child(2) {
  opacity: 0;
}

.navbar-burger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-light);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-body {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero .title,
.hero .subtitle,
.hero p {
  color: var(--text-light);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero .title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.hero .subtitle {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.button.is-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: var(--shadow-small);
}

.button.is-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.button.is-light {
  background-color: var(--bg-white);
  color: var(--primary-color);
  box-shadow: var(--shadow-small);
}

.button.is-light:hover {
  background-color: var(--bg-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.button.is-large {
  font-size: 1.1rem;
  padding: 1rem 2rem;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* Cards */
.card {
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.card-image {
  width: 100%;
  overflow: hidden;
  text-align: center;
}

.image-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.card .title {
  margin-bottom: var(--spacing-sm);
}

.card .content {
  margin-top: var(--spacing-sm);
}

/* Services Section */
#services {
  background-color: var(--bg-white);
}

/* Research Section */
#research {
  background-color: var(--bg-light);
}

/* Projects Section */
#projects {
  background-color: var(--bg-white);
}

/* Team Section */
#team {
  background-color: var(--bg-white);
}

.team-member .image-container {
  border-radius: var(--radius-full);
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.team-member .image-container img {
  border-radius: var(--radius-full);
}

/* Innovation Section */
#innovation {
  background-color: var(--bg-light);
}

/* Community Section */
#community {
  background-color: var(--bg-white);
}

/* Events Calendar Section */
#events {
  background-color: var(--bg-light);
}

.timeline {
  position: relative;
  margin: var(--spacing-md) 0;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background-color: var(--primary-light);
  transform-origin: top center;
  animation: growLine 1.5s ease forwards;
}

@keyframes growLine {
  0% {
    transform: scaleY(0);
  }
  100% {
    transform: scaleY(1);
  }
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateX(-20px);
  animation: fadeInRight 0.5s ease forwards;
  animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.timeline-item:nth-child(1) { --item-index: 1; }
.timeline-item:nth-child(2) { --item-index: 2; }
.timeline-item:nth-child(3) { --item-index: 3; }
.timeline-item:nth-child(4) { --item-index: 4; }
.timeline-item:nth-child(5) { --item-index: 5; }

@keyframes fadeInRight {
  0% {
    opacity: 0;
    transform: translateX(-20px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-marker {
  position: absolute;
  left: -40px;
  top: 5px;
  width: 20px;
  height: 20px;
  background-color: var(--primary-color);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-small);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(42, 75, 141, 0.7);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 10px rgba(42, 75, 141, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(42, 75, 141, 0);
  }
}

.timeline-content {
  background-color: var(--bg-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
}

/* History Section */
#history {
  background-color: var(--bg-white);
}

/* Contact Section */
#contact {
  background-color: var(--bg-light);
}

.input,
.textarea,
.select select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--radius-sm);
  font-family: 'Merriweather', serif;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  margin-bottom: var(--spacing-sm);
}

.input:focus,
.textarea:focus,
.select select:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 2px rgba(42, 75, 141, 0.2);
}

.label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
}

.field {
  margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
  background-color: var(--secondary-dark);
  color: var(--text-light);
  padding: var(--spacing-lg) 0;
}

.footer .title {
  color: var(--text-light);
}

.footer a {
  color: var(--text-light);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer a:hover {
  opacity: 1;
  color: var(--primary-light);
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer .social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.footer .social-link {
  font-weight: 500;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-lg);
}

.success-content {
  max-width: 600px;
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-large);
}

.success-content .icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* Privacy & Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-lg);
}

.privacy-content,
.terms-content {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
}

/* Cookie Consent */
#cookie-consent {
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--text-light);
  padding: var(--spacing-md);
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  display: none;
}

#cookie-consent button {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 0.5rem 1rem;
  margin-top: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  transition: background-color var(--transition-fast);
}

#cookie-consent button:hover {
  background-color: var(--primary-light);
}

/* Read More Links */
.read-more {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-weight: 500;
  color: var(--primary-color);
  position: relative;
  padding-right: 20px;
  transition: all var(--transition-fast);
}

.read-more:after {
  content: "→";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  padding-right: 25px;
}

.read-more:hover:after {
  transform: translateY(-50%) translateX(5px);
}

/* Utilities */
.has-text-centered {
  text-align: center;
}

.has-text-light {
  color: var(--text-light);
}

.has-text-dark {
  color: var(--text-dark);
}

.has-text-primary {
  color: var(--primary-color);
}

.has-background-light {
  background-color: var(--bg-light);
}

.has-background-primary {
  background-color: var(--primary-color);
}

.mt-5 {
  margin-top: 1.25rem;
}

.mt-6 {
  margin-top: 1.5rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

/* Columns */
.columns {
  display: flex;
  flex-wrap: wrap;
  margin-left: -1rem;
  margin-right: -1rem;
}

.column {
  padding: 1rem;
  flex: 1 1 100%;
}

.is-one-quarter {
  flex: 0 0 25%;
  max-width: 25%;
}

.is-one-third {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.is-half {
  flex: 0 0 50%;
  max-width: 50%;
}

.is-two-thirds {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.is-full {
  flex: 0 0 100%;
  max-width: 100%;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.slide-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.slide-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Parallax Effect */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Media Queries */
@media screen and (max-width: 1023px) {
  .is-one-quarter,
  .is-one-third {
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  .hero .title {
    font-size: 2.5rem;
  }
  
  .hero .subtitle {
    font-size: 1.5rem;
  }
}

@media screen and (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-medium);
    flex-direction: column;
    align-items: flex-start;
  }
  
  .navbar-menu.is-active {
    display: flex;
  }
  
  .navbar-item {
    margin: var(--spacing-xs) 0;
    width: 100%;
  }
  
  .navbar-burger {
    display: block;
  }
  
  .is-one-quarter,
  .is-one-third,
  .is-half,
  .is-two-thirds {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .hero .title {
    font-size: 2rem;
  }
  
  .hero .subtitle {
    font-size: 1.2rem;
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
  
  .timeline {
    padding-left: 20px;
  }
  
  .timeline-marker {
    left: -30px;
  }
}

@media screen and (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .hero .title {
    font-size: 1.75rem;
  }
  
  .hero .subtitle {
    font-size: 1.1rem;
  }
  
  .button.is-large {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
  }

  .navbar-brand {
    align-items: center;
  }

  .navbar-burger {
    min-width: 30px;
  }
}