/* Modern enhanced styles for Mathematics Department Annual Talks 2025 */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&display=swap');
@import url('https://fonts.google.com/specimen/Imperial+Script?categoryFilters=Feeling:%2FExpressive%2FFancy');

:root {
  /* BIT Mesra colors - based on their logo and website */
  --primary-color: #003366;        /* Deep blue */
  --secondary-color: #8b0000;      /* Maroon red */
  --accent-color: #0089cc;         /* Bright blue */
  --light-bg: #f8f9fa;
  --dark-bg: #212529;
  --medium-bg: #f0f2f5;
  --dark-text: #343a40;
  --light-text: #fff;
  --medium-text: #6c757d;
  --border-color: #dee2e6;
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  --hover-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  --section-padding: 4rem 0;
  --border-radius: 8px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
}

/* Animation Keyframes */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes shimmer {
  0% { background-position: -100% 0; }
  100% { background-position: 100% 0; }
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--dark-text);
  background-color: var(--light-bg);
  overflow-x: hidden;

}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

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

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

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

ul {
  list-style-position: inside;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.flex-column { flex-direction: column; }
.w-100 { width: 100%; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.px-1 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2 { padding-left: 1rem; padding-right: 1rem; }
.px-3 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-4 { padding-left: 2rem; padding-right: 2rem; }
.px-5 { padding-left: 3rem; padding-right: 3rem; }

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--light-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  width: 120px;
  height: auto;
  animation: pulse 1.5s infinite ease-in-out;
}

/* Header styling */
header {
  /* background-color: var(--primary-color); */
  /* color: var(--light-text); */
  padding: 1rem 0;
  /* position: sticky; */
  /* top: 0; */
  /* z-index: 1000; */
  /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
  transition: all var(--transition-medium);
  color: var(--light-text);
  /* padding: 1rem 0; */
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 74%, rgba(0,212,255,1) 100%);
}

header.scrolled {
  padding: 0.7rem 0;
  background-color: rgba(0, 51, 102, 0.95); /* Transparent variant of primary color */
  backdrop-filter: blur(10px);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  margin-right: 10px;
}

.logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--light-text);
}

nav ul {
  display: flex;
  list-style: none;
}

nav li {
  position: relative;
  margin-left: 1.5rem;
}

nav a {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-medium);
}

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

nav a:hover::after {
  width: 100%;
}

nav a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  transition: color var(--transition-fast);
}

.hamburger:hover {
  color: var(--accent-color);
}

/* Hero section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/branding/math-banner.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--light-text);
  text-align: center;
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.8) 0%, rgba(139, 0, 0, 0.8) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
}

.hero p:nth-child(2) {
  animation: fadeIn 1s 0.3s ease forwards;
}

.hero p:nth-child(3) {
  animation: fadeIn 1s 0.6s ease forwards;
}

.hero p:nth-child(4) {
  animation: fadeIn 1s 0.9s ease forwards;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeIn 1s 1.2s ease forwards;
}

.button {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--light-text);
  padding: 0.75rem 1.75rem;
  text-decoration: none;
  border-radius: 50px;
  transition: all var(--transition-medium);
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.7s ease;
  z-index: -1;
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  background-color: #0179b2;
  color: white;
}

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

.button:active {
  transform: translateY(-1px);
}

.button.secondary {
  background-color: transparent;
  border: 2px solid var(--light-text);
}

.button.secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
}

/* Section Styling */
section {
  padding: var(--section-padding);
}

section h2 {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-size: 2.5rem;
  position: relative;
  padding-bottom: 15px;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--accent-color);
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

/* Animated Elements */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Cards */
.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: all var(--transition-medium);
}

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

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Schedule styling */
.schedule-container {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  margin-bottom: 2rem;
}

.day-tabs {
  display: flex;
  background-color: var(--primary-color);
}

.day-tab {
  padding: 1rem;
  flex: 1;
  text-align: center;
  color: var(--light-text);
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  background: none;
  font-size: 1rem;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.day-tab::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent-color);
  transform: translateY(-100%);
  transition: transform var(--transition-medium);
}

.day-tab:hover::before {
  transform: translateY(0);
}

.day-tab.active {
  background-color: var(--secondary-color);
}

.day-tab.active::before {
  transform: translateY(0);
}

.day-schedule {
  display: none;
  padding: 1.5rem;
  animation: fadeIn 0.5s ease;
}

.day-schedule.active {
  display: block;
}

.schedule-item {
  display: flex;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  transition: transform var(--transition-medium);
}

.schedule-item:hover {
  transform: translateX(5px);
}

.schedule-time {
  min-width: 120px;
  font-weight: bold;
  color: var(--secondary-color);
}

.schedule-content {
  flex: 1;
}

.schedule-content h3 {
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

.schedule-item:hover .schedule-content h3 {
  color: var(--accent-color);
}

.schedule-speaker {
  font-style: italic;
  color: var(--secondary-color);
}

.schedule-location {
  font-size: 0.9rem;
  margin-top: 0.5rem;
  color: var(--medium-text);
}

/* Speakers styling */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.speaker-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.speaker-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--hover-shadow);
}

.speaker-image-container {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.speaker-image {
  width: 150%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.speaker-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  padding: 2rem 1rem 1rem;
  color: white;
  transform: translateY(100%);
  transition: transform var(--transition-medium);
}

.speaker-card:hover .speaker-overlay {
  transform: translateY(0);
}

.speaker-info {
  padding: 1.5rem;
}

.speaker-name {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.speaker-name::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-medium);
}

.speaker-card:hover .speaker-name::after {
  width: 100%;
}

.speaker-affiliation {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--medium-text);
}

.speaker-bio {
  font-size: 0.9rem;
  color: var(--dark-text);
  line-height: 1.6;
} */


:root {
  --primary-color: #3e1ac0;
  --accent-color: #ff6b6b;
  --border-radius: 12px;
  --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --hover-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
  --transition-medium: 0.3s ease;
  --medium-text: #666;
  --dark-text: #333;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
}

.speaker-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.speaker-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--hover-shadow);
}

.speaker-image-container {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.speaker-image {
  width: 200%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.speaker-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  padding: 2rem 1rem 1rem;
  color: white;
  transform: translateY(100%);
  transition: transform var(--transition-medium);
}

.speaker-card:hover .speaker-overlay {
  transform: translateY(0);
}

.speaker-info {
  padding: 1.5rem;
}

.speaker-name {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.speaker-name::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-medium);
}

.speaker-card:hover .speaker-name::after {
  width: 100%;
}

.speaker-affiliation {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--medium-text);
}

.speaker-bio {
  font-size: 0.9rem;
  color: var(--dark-text);
  line-height: 1.6;
}

.social-icons {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-icons img {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-medium);
}

.social-icons a:hover img {
  transform: scale(1.2);
}

/* Venue styling */
.venue-details {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.venue-info {
  flex: 1;
  min-width: 300px;
}

.venue-map {
  flex: 1;
  min-width: 300px;
  height: 450px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-medium);
}

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

.venue-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.venue-address {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-medium);
}

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

.venue-address h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 10px;
}

.venue-address h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-color);
}

.directions-container {
  margin-top: 2rem;
}

.directions-container h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 10px;
}

.directions-container h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-color);
}

.directions-list {
  list-style-position: outside;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.directions-list li {
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 0.5rem;
}

/* Registration styling */
.registration-info {
  background-color: white;
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  max-width: 900px;
  margin: 0 auto;
}

.registration-link {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 1rem 2.5rem;
  background-color: var(--accent-color);
  color: var(--light-text);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all var(--transition-medium);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.registration-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.7s ease;
}

.registration-link:hover {
  background-color: #0179b2;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.registration-link:hover::before {
  left: 100%;
}

.contact-details {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-color);
}

.contact-card {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 1rem;
  color: white;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Table styling */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

thead {
  background-color: var(--primary-color);
  color: var(--light-text);
}

th, td {
  padding: 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

tbody tr {
  transition: background-color var(--transition-fast);
}

tbody tr:hover {
  background-color: rgba(0, 51, 102, 0.05);
}

/* Footer styling */
footer {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 3rem 0 2rem;
  position: relative;
  align-items: flex-start;
  justify-content:space-between ;
  flex-wrap: wrap;
}

.footer-wave {
  position: absolute;
  top: -50px;
  left: 0;
  width: 100%;
  height: 50px;
  /* background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z' opacity='.25' fill='%23003366'%3E%3C/path%3E%3Cpath d='M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z' opacity='.5' fill='%23003366'%3E%3C/path%3E%3Cpath d='M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z' fill='%23003366'%3E%3C/path%3E%3C/svg%3E"); */
  background-size: cover;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.footer-logo img {
  height: 60px;
  margin-right: 15px;
}

.footer-info {
  display: grid;
  /* grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); */
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  color: var(--light-text);
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 10px;
  display: inline-block;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links {
  margin-bottom: 1.5rem;
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.75rem;
  transition: all var(--transition-fast);
  position: relative;
  padding-left: 15px;
}

.footer-links a::before {
  content: '›';
  position: absolute;
  left: 0;
  transition: transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--light-text);
  transform: translateX(5px);
}

.footer-links a:hover::before {
  transform: translateX(3px);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--light-text);
  transition: all var(--transition-medium);
}

.social-link:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive styles */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .footer-info {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background-color: var(--primary-color);
    padding: 1rem 0;
    box-shadow: var(--box-shadow);
    z-index: 10;
  }

  nav ul.show {
    display: flex;
    animation: fadeIn 0.3s ease;
  }

  nav li {
    margin: 0;
    text-align: center;
  }

  nav a {
    display: block;
    padding: 0.75rem 0;
  }
  
  nav a::after {
    display: none;
  }

  .hero {
    padding: 6rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .schedule-item {
    flex-direction: column;
  }

  .schedule-time {
    margin-bottom: 0.5rem;
  }

  .venue-details {
    flex-direction: column;
  }
  
  .section-padding {
    padding: 3rem 0;
  }
  
  section h2 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .hero {
    padding: 5rem 0;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .button {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  section {
    padding: 2.5rem 0;
  }
  
  section h2 {
    font-size: 1.8rem;
  }
}
button {
    all: unset;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    position: relative;
    border-radius: 999vw;
    background-color: rgba(0, 0, 0, 0.75);
    box-shadow: -0.15em -0.15em 0.15em -0.075em rgba(5, 5, 5, 0.25),
        0.0375em 0.0375em 0.0675em 0 rgba(5, 5, 5, 0.1);
    margin-bottom: 5%;
}

button::after {
    content: "";
    position: absolute;
    z-index: 0;
    width: calc(100% + 0.3em);
    height: calc(100% + 0.3em);
    top: -0.15em;
    left: -0.15em;
    border-radius: inherit;
    background: linear-gradient(-135deg,
            rgba(5, 5, 5, 0.5),
            transparent 20%,
            transparent 100%);
    filter: blur(0.0125em);
    opacity: 0.25;
    mix-blend-mode: multiply;
}

button .button-outer {
    position: relative;
    z-index: 1;
    border-radius: inherit;
    transition: box-shadow 300ms ease;
    will-change: box-shadow;
    box-shadow: 0 0.05em 0.05em -0.01em rgba(5, 5, 5, 1),
        0 0.01em 0.01em -0.01em rgba(5, 5, 5, 0.5),
        0.15em 0.3em 0.1em -0.01em rgba(5, 5, 5, 0.25);
}

button:hover .button-outer {
    box-shadow: 0 0 0 0 rgba(5, 5, 5, 1), 0 0 0 0 rgba(5, 5, 5, 0.5),
        0 0 0 0 rgba(5, 5, 5, 0.25);
}

.button-inner {
    --inset: 0.035em;
    position: relative;
    z-index: 1;
    border-radius: inherit;
    padding: 1em 1.5em;
    background-image: linear-gradient(135deg,
            rgba(230, 230, 230, 1),
            rgba(180, 180, 180, 1));
    transition: box-shadow 300ms ease, clip-path 250ms ease,
        background-image 250ms ease, transform 250ms ease;
    will-change: box-shadow, clip-path, background-image, transform;
    overflow: clip;
    clip-path: inset(0 0 0 0 round 999vw);
    box-shadow:
        /* 1 */
        0 0 0 0 inset rgba(5, 5, 5, 0.1),
        /* 2 */
        -0.05em -0.05em 0.05em 0 inset rgba(5, 5, 5, 0.25),
        /* 3 */
        0 0 0 0 inset rgba(5, 5, 5, 0.1),
        /* 4 */
        0 0 0.05em 0.2em inset rgba(255, 255, 255, 0.25),
        /* 5 */
        0.025em 0.05em 0.1em 0 inset rgba(255, 255, 255, 1),
        /* 6 */
        0.12em 0.12em 0.12em inset rgba(255, 255, 255, 0.25),
        /* 7 */
        -0.075em -0.25em 0.25em 0.1em inset rgba(5, 5, 5, 0.25);
}

button:hover .button-inner {
    clip-path: inset(clamp(1px, 0.0625em, 2px) clamp(1px, 0.0625em, 2px) clamp(1px, 0.0625em, 2px) clamp(1px, 0.0625em, 2px) round 999vw);
    box-shadow:
        /* 1 */
        0.1em 0.15em 0.05em 0 inset rgba(5, 5, 5, 0.75),
        /* 2 */
        -0.025em -0.03em 0.05em 0.025em inset rgba(5, 5, 5, 0.5),
        /* 3 */
        0.25em 0.25em 0.2em 0 inset rgba(5, 5, 5, 0.5),
        /* 4 */
        0 0 0.05em 0.5em inset rgba(255, 255, 255, 0.15),
        /* 5 */
        0 0 0 0 inset rgba(255, 255, 255, 1),
        /* 6 */
        0.12em 0.12em 0.12em inset rgba(255, 255, 255, 0.25),
        /* 7 */
        -0.075em -0.12em 0.2em 0.1em inset rgba(5, 5, 5, 0.25);
}

button .button-inner span {
    position: relative;
    z-index: 4;
    font-family: "Inter", sans-serif;
    letter-spacing: -0.05em;
    font-weight: 500;
    color: rgba(0, 0, 0, 0);
    background-image: linear-gradient(135deg,
            rgba(25, 25, 25, 1),
            rgba(75, 75, 75, 1));
    -webkit-background-clip: text;
    background-clip: text;
    transition: transform 250ms ease;
    display: block;
    will-change: transform;
    text-shadow: rgba(0, 0, 0, 0.1) 0 0 0.1em;
    -webkit-user-select: none; 
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

button:hover .button-inner span {
    transform: scale(0.975);
}

button:active .button-inner {
    transform: scale(0.975);
}

.footer-right {
  text-align: right;
  margin-top: 0px;
  position: relative;
  z-index: 0;
  display: flex;
  flex-direction: column;
  align-items: center;

  justify-content: center;
  padding: 20px;
}

.circular-image {
  width: 100px;
  height: 100px;
  /* border-radius: 50%; */
  /* object-fit: cover; */
  /* border: 2px solid #333333; */
  align-items: center;
}

.developer-name {
  margin-top: 10px;
  margin-left: -10px; /* Slight left shift */
  font-size: 18px;
  font-weight: bold;
  color: #f5f1f1;
}

.social-icons {
  margin-top: 12px;
  display: flex; 
  justify-content: center;
  /* gap: 15px; */
  align-items: center;
}

.social-icons a img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  /* border: 2px solid #555; */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-icons a img:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  border-color: #0077b5; /* Adds a splash of blue on hover */
  border: 2px solid #0077b5;
  /* border-radius: 50%; */
  /* background-color: #0077b5; */
}
.footer-right h3,
.developer-name {
  font-family: 'Cedarville Cursive', cursive;
  font-weight: 800;
}


.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 0rem 0;
  background-color: var(--primary-color);
  color: var(--light-text);
}

.footer-links {
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--light-text);
  margin: 0 1rem 0 0;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-right {
  text-align: center;
  margin-top: 0px;
  max-width: 30%;
}

.footer-right h3,
.developer-name {
  font-family: 'Cedarville Cursive', cursive;
  font-weight: 800;
  color: var(--light-text);
}

.circular-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
}

.developer-name {
  margin-top: 10px;
  font-size: 18px;
}

.social-icons {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-icons a img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-icons a img:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  border-color: #0077b5;
}

/* Responsive */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-right {
    max-width: 100%;
    margin-left: 0;
  }
}