:root {
  --primary-color: #0056b3;
  --secondary-color: #ff00ff;
  --tertiary-color: #0056b3;
  --bg-color: #fff;
  --text-color: #000;
  --card-bg: rgba(255, 255, 255, 0.05);
  --header-height: 80px;
  --content-width: 1200px;
}
.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.nav-logo {
    height: 60px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: calc(14px + 0.5vw);
}

.container {
  width: 90%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 15px;
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: background-color 0.3s ease;
  height: var(--header-height);
  background-color: var(--bg-color); 
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  height: 100%;
}

.logo {
  font-size: calc(1.2rem + 0.5vw);
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
}

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

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 300;
  transition: color 0.3s ease, transform 0.3s ease, text-shadow 0.3s ease;
  display: inline-block;
  padding: 5px 10px;
  position: relative;
  overflow: hidden;
}

nav ul li a:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
  text-shadow: 0 0 8px var(--primary-color);
}

nav ul li a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

nav ul li a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

nav ul li a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: var(--primary-color);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

nav ul li a:hover::after {
  transform: translateY(0);
}

.hamburger {
  display: none;
  width: 30px;
  height: 20px;
  position: relative;
  transform: rotate(0deg);
  transition: 0.5s ease-in-out;
  cursor: pointer;
}

.hamburger span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--primary-color);
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: 0.25s ease-in-out;
}

.hamburger span:nth-child(1) {
  top: 0px;
}

.hamburger span:nth-child(2),
.hamburger span:nth-child(3) {
  top: 10px;
}

.hamburger span:nth-child(4) {
  top: 20px;
}

.hamburger.open span:nth-child(1) {
  top: 10px;
  width: 0%;
  left: 50%;
}

.hamburger.open span:nth-child(2) {
  transform: rotate(45deg);
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg);
}

.hamburger.open span:nth-child(4) {
  top: 10px;
  width: 0%;
  left: 50%;
}

#menuIcon {
  z-index: 1002;
  position: fixed;
  top: 20px;
  right: 20px;
}

#menuIcon.open {
  position: fixed;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, var(--bg-color), transparent);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: calc(1.5rem + 1vw);
  margin-bottom: 1rem;
  text-transform: uppercase;
  line-height: 1.2;
}

.hero p {
  font-size: calc(1rem + 0.5vw);
  margin-bottom: 2rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}
p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}
.cta-button {
  display: inline-block;
  background-color: var(--tertiary-color);
  color: var(--bg-color);
  padding: 0.7rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
}

.section {
  padding: 4rem 0;
}

.section-title {
  font-size: calc(2rem + 1vw);
  text-align: center;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.video-container {
  aspect-ratio: 16 / 9;
  max-width: 800px;
  margin: 0 auto;
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
  overflow: hidden;
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
}

.feature i {
  font-size: calc(2rem + 1vw);
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature h3 {
  margin-bottom: 1rem;
  font-size: calc(1rem + 0.5vw);
  color: var(--tertiary-color);
}

.universities {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.university-logo {
  max-width: 150px;
  height: auto;
  transition: filter 0.3s ease;
}

.university-logo:hover {
  filter: brightness(120%);
}

.contact-form {
  max-width: 500px;
  margin: 2rem auto;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--primary-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: 5px;
}

.form-group textarea {
  height: 100px;
}

.submit-btn {
  background-color: var(--tertiary-color);
  color: var(--bg-color);
  border: none;
  padding: 0.7rem 2rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

footer {
  background-color: var(--bg-color);
  padding: 1rem 0;
  text-align: center;
  border-top: solid var(--primary-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  /* gap: 1rem; */
}

.social-links a {
  color: var(--text-color);
  font-size: 1.5rem;
  margin: 0 0.5rem;
  transition: color 0.3s ease;
}

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


@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

.letter-particle {
  position: absolute;
  color: rgba(255, 255, 255, 0.5);
  font-size: 20px;
  font-weight: bold;
  pointer-events: none;
  animation: letterAnimation linear infinite;
}

@keyframes letterAnimation {
  0% {
    transform: translateY(100vh) translateX(-50px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-20vh) translateX(50px);
    opacity: 0;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-100px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.slide-in-right {
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

.rotate-in {
  opacity: 0;
  transform: rotate(-45deg);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

@media (max-width: 1200px) {
  .container {
    width: 95%;
  }
}

@media (max-width: 992px) {
  :root {
    --header-height: 70px;
  }

  .section-title {
    font-size: calc(1.8rem + 1vw);
  }

  .features {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (min-width: 769px) {
  .hamburger {
    display: none;
  }

  nav ul {
    display: flex !important;
    position: static;
    width: auto;
    height: auto;
    flex-direction: row;
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 768px) {
  .footer-content {
    gap: 1rem;
    align-items: center;
    justify-content: center;
  }
  :root {
    --header-height: 60px;
  }

  .header-content {
    padding: 1rem 0;
  }

  .logo {
    font-size: calc(1.5rem + 0.5vw);
  }

  nav ul {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transition: left 0.3s ease-in-out;
    overflow-y: auto;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(10, 10, 32, 0.8);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out, left 0.3s ease-in-out;
  }

  .nav-links.active {
    opacity: 1;
    pointer-events: auto;
    left: 0;
  }

  .nav-links li {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
    margin: 15px 0;
  }

  .nav-links li.active {
    opacity: 1;
    transform: translateY(0);
  }


  .nav-links.active li:nth-child(1) {
    transition-delay: 0.1s;
  }
  .nav-links.active li:nth-child(2) {
    transition-delay: 0.2s;
  }
  .nav-links.active li:nth-child(3) {
    transition-delay: 0.3s;
  }
  .nav-links.active li:nth-child(4) {
    transition-delay: 0.4s;
  }
  .nav-links.active li:nth-child(5) {
    transition-delay: 0.5s;
  }

  nav ul.active {
    left: 0;
    display: flex !important;
  }

  nav ul li {
    margin: 1rem 0;
  }

  nav ul li a {
    font-size: calc(1rem + 0.5vw);
    padding: 15px;
    margin: 5px 0;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    width: 100%;
    text-align: center;
    transition: all 0.3s ease;
  }

  nav ul li a:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
    transform: scale(1.05);
    box-shadow: 0 0 15px var(--primary-color);
  }

  nav ul li a::before,
  nav ul li a::after {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: calc(1.8rem + 1vw);
  }

  .hero p {
    font-size: calc(0.9rem + 0.5vw);
  }

  .section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: calc(1.5rem + 1vw);
  }

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

  .university-logo {
    max-width: 120px;
  }

  .nav-cta.active {
    bottom: 30px;
  }

  .nav-cta .cta-button {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--tertiary-color);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .nav-cta .cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
  }
}

@media (max-width: 576px) {
  .container {
    width: 100%;
    padding: 0 15px;
  }

  .hero h1 {
    font-size: calc(1.5rem + 1vw);
  }

  .hero p {
    font-size: calc(0.8rem + 0.5vw);
  }

  .cta-button {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }

  .section-title {
    font-size: calc(1.3rem + 1vw);
  }

  .feature {
    padding: 1rem;
  }

  .feature i {
    font-size: calc(1.5rem + 1vw);
  }

  .university-logo {
    max-width: 100px;
  }

  .contact-form {
    padding: 0 10px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .social-links {
    margin-top: 1rem;
  }
  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
  }
}

@media (max-width: 360px) {
  .hero h1 {
    font-size: calc(1.3rem + 1vw);
  }

  .section-title {
    font-size: calc(1.2rem + 1vw);
  }

  .feature h3 {
    font-size: calc(0.9rem + 0.5vw);
  }
  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
  }
}


@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}


@media (prefers-contrast: high) {
  :root {
    --primary-color: #ffffff;
    --secondary-color: #ffffff;
    --tertiary-color: #ffffff;
    --bg-color: #000000;
    --text-color: #ffffff;
    --card-bg: #333333;
  }
}

@media (prefers-color-scheme: dark) {
}

@media print {
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .hero,
  .video-container,
  .social-links,
  .cta-button {
    display: none;
  }

  a {
    text-decoration: underline;
    color: #000;
  }

  .feature,
  .contact-form {
    page-break-inside: avoid;
  }
}

.pricing-plans {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}

.pricing-plan {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  flex: 1;
  min-width: 250px;
  max-width: 300px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-plan:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
}

.pricing-plan h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.pricing-plan .price {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.pricing-plan ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.pricing-plan ul li {
  margin-bottom: 0.5rem;
}

.plan-cta {
  display: inline-block;
  background-color: var(--tertiary-color);
  color: var(--bg-color);
  padding: 0.7rem 1.5rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.plan-cta:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.pricing-plan .setup-fee {
  font-size: 0.9rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.pricing-note {
  text-align: center;
  margin-top: 2rem;
  font-style: italic;
  color: var(--secondary-color);
}


.pricing-plan.pro {
  background-color: rgba(255, 255, 0, 0.1);
  border: 2px solid var(--tertiary-color);
  transform: scale(1.05);
  z-index: 1;
}

.pricing-plan.pro:hover {
  transform: translateY(-10px) scale(1.05);
}

.pricing-plan.pro .plan-cta {
  background-color: var(--tertiary-color);
}

.pricing-plan.pro h3 {
  color: var(--tertiary-color);
}

.pricing-plans:hover .pricing-plan:not(:hover) {
  transform: scale(0.95);
  opacity: 0.7;
}

.pricing-plans:hover .pricing-plan.pro:not(:hover) {
  transform: scale(1);
  opacity: 1;
}

@media (max-width: 768px) {
  .pricing-plans {
    flex-direction: column;
    align-items: center;
  }

  .pricing-plan {
    width: 100%;
    max-width: none;
  }
}

.user-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.user-group {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.user-group:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
}

.user-group i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.user-group h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--tertiary-color);
}

.user-group ul {
  list-style-type: none;
  padding: 0;
  text-align: left;
}

.user-group ul li {
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.user-group ul li::before {
  content: "•";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

@media (max-width: 768px) {
  .user-groups {
    grid-template-columns: 1fr;
  }
}

#demo {
  text-align: center;
  padding: 4rem 0;
}

#demo .section-title {
  margin-bottom: 2rem;
}

.demo-features {
  max-width: 600px;
  margin: 0 auto 2rem;
}

.demo-features ul {
  list-style-type: none;
  padding: 0;
}

.demo-features li {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.video-container {
  aspect-ratio: 16 / 9;
  max-width: 800px;
  margin: 0 auto 2rem;
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
  overflow: hidden;
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

#demo .cta-button {
  display: inline-block;
  background-color: var(--tertiary-color);
  color: var(--bg-color);
  padding: 0.7rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2rem;
}

#demo .cta-button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .demo-features {
    padding: 0 1rem;
  }

  .video-container {
    width: 90%;
  }
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--tertiary-color);
  color: var(--bg-color);
  padding: 12px 20px;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  z-index: 1000;
  font-size: 16px;
  max-width: 300px;
  transform: translateY(-20px);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .toast {
    right: 20px;
    left: auto;
    max-width: calc(100% - 40px);
  }
}
.demo-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.video-placeholder {
  background-color: #f5f5f5;
  border: 1px solid #ddd;
  width: 100%;
  padding: 150px 0;
  text-align: center;
  font-size: 1.5em;
  color: #666;
  border-radius: 8px;
}

@media (max-width: 768px) {
  .demo-container {
    padding: 10px;
  }

  .video-placeholder {
    padding: 100px 0;
    font-size: 1.2em;
  }
}