:root {
  --dark-blue: #091a2d;
  --mid-blue: #112233;
  --teal-glow: #00ffff;
  --light-teal: #64ffda;
  --text-color: #e3e3e3;
  --secondary-text: #b0b0b0;
  --card-background: rgba(0, 255, 255, 0.05);
  --plan-background: #1a3350;
  --border-color: rgba(100, 255, 218, 0.2);
  --font-body: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
}

html {
  overflow: auto;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--dark-blue);
  color: var(--text-color);
  min-height: 100vh;
  background-image: radial-gradient(
      circle at 10% 10%,
      rgba(0, 255, 255, 0.1) 1px,
      transparent 0
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(0, 255, 255, 0.08) 1px,
      transparent 0
    ),
    radial-gradient(
      circle at 90% 90%,
      rgba(0, 255, 218, 0.1) 1px,
      transparent 0
    );
  background-size: 30px 30px;
  overflow-x: hidden;
  line-height: 1.6;
}

body.no-scroll {
  overflow: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 100px 50px;
  text-align: center;
}

.section-divider {
  border: none;
  height: 1px;
  background: linear-gradient(
    to right,
    rgba(0, 255, 255, 0),
    var(--teal-glow),
    rgba(0, 255, 255, 0)
  );
  margin: 0 50px;
  opacity: 0.2;
}

h2 {
  font-size: 2.5em;
  color: var(--light-teal);
  margin-bottom: 15px;
  text-shadow: 0 0 5px rgba(100, 255, 218, 0.5);
  font-weight: 700;
}

.section-description {
  color: var(--secondary-text);
  font-size: 1.1em;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  position: fixed;
  width: 100%;
  z-index: 1001;
  transition: background-color 0.3s;
}

.logo {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--light-teal);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.logo span {
  color: var(--teal-glow);
  margin-right: 5px;
}

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

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  text-decoration: none;
  color: var(--text-color);
  font-size: 1em;
  padding: 5px 0;
  transition: color 0.3s, border-bottom 0.3s;
  position: relative;
}

nav ul li a:hover {
  color: var(--teal-glow);
}

nav ul li a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--teal-glow);
  box-shadow: 0 0 8px var(--teal-glow);
  transition: width 0.3s ease-out;
}
nav ul li a:hover::after {
  width: 100%;
}

.hero-section {
  display: grid;
  justify-content: space-between;
  align-items: center;
  padding: 150px 50px 80px 50px;
  max-width: 1300px;
  margin: 0 auto;
  gap: 80px;
  min-height: 100vh;
}

#hero-graphic-image {
  max-width: 100%;
  height: auto;
  display: block;
}

.content-left {
  flex: 1;
  max-width: 55%;
  text-align: left;
}

.content-left h1 {
  font-size: 4em;
  margin-bottom: 10px;
  line-height: 1.1;
  color: var(--text-color);
}

.subtitle {
  font-size: 1.5em;
  color: var(--light-teal);
  margin-bottom: 30px;
  font-weight: 300;
}

.text-block {
  margin-bottom: 25px;
  color: var(--secondary-text);
  text-align: justify;
}

.btn {
  background: rgba(0, 0, 0, 0.3);
  display: inline-block;
  padding: 14px 30px;
  text-decoration: none;
  color: var(--teal-glow);
  border: 2px solid var(--teal-glow);
  border-radius: 5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s, transform 0.1s;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  margin-top: 20px;
  text-transform: uppercase;
}

.btn:hover {
  background-color: var(--teal-glow);
  color: var(--dark-blue);
  box-shadow: 0 0 20px var(--teal-glow);
  transform: translateY(-2px);
}

.graphic-right {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.services-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
  padding: 20px;
}

.service-card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 10px;
  flex: 1 1 300px;
  max-width: 350px;
  text-align: left;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 255, 255, 0.2);
  border-color: var(--teal-glow);
}

.service-card h3 {
  color: var(--teal-glow);
  margin-bottom: 10px;
  font-size: 1.4em;
}

.features-list {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

.features-list li {
  padding: 8px 0;
  color: #ccc;
  font-size: 0.95em;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}
.features-list li:last-child {
  border-bottom: none;
}

.pricing-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.plan-card {
  background: var(--plan-background);
  border: 1px solid var(--border-color);
  padding: 20px 10px;
  border-radius: 10px;
  width: 300px;
  display: flex;
  flex-direction: column;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 20px rgba(0, 255, 255, 0.15);
}

.plan-card.featured {
  border: 2px solid var(--teal-glow);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.6);
  background: rgba(0, 255, 255, 0.1);
  transform: scale(1.05);
}

.plan-card h3 {
  color: white;
  font-size: 1.8em;
  text-transform: uppercase;
}

.price {
  font-size: 3em;
  color: var(--teal-glow);
  margin: 15px 0 25px 0;
  font-weight: bold;
  text-shadow: 0 0 5px rgba(0, 255, 255, 0.7);
}
.plan-card .btn {
  width: 90%;
  align-self: center;
  margin-top: auto;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
  padding: 0 20px;
}

.about-content h3 {
  color: var(--light-teal);
  margin-top: 30px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 5px;
}
.about-content p {
  margin-bottom: 15px;
  color: #ccc;
  text-align: justify;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
  padding: 0 20px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  padding: 15px;
  border: 1px solid rgba(0, 255, 255, 0.3);
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border-radius: 5px;
  font-size: 1em;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--teal-glow);
  box-shadow: 0 0 8px var(--teal-glow);
}

.contact-form select option {
  background-color: var(--dark-blue);
  color: white;
}

.contact-form button.btn {
  width: 100%;
  margin-top: 20px;
}

footer {
  padding: 30px 50px;
  text-align: center;
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid rgba(0, 255, 255, 0.1);
  color: #aaa;
  font-size: 0.9em;
}

footer a {
  color: var(--light-teal);
  text-decoration: none;
  transition: color 0.3s;
  margin: 0 10px;
}

footer a:hover {
  color: var(--teal-glow);
  text-shadow: 0 0 5px var(--teal-glow);
}

.menu-toggle {
  display: none;
  cursor: pointer;
  z-index: 1002;
  padding: 5px;
}

.bar {
  width: 28px;
  height: 3px;
  background-color: var(--teal-glow);
  margin: 6px 0;
  transition: 0.4s;
  box-shadow: 0 0 6px var(--teal-glow);
  border-radius: 2px;
}

.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-menu {
  transition: transform 0.5s cubic-bezier(0.7, 0, 0.3, 1);
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
    position: relative;
    z-index: 1002;
  }

  .navbar {
    padding: 15px 25px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: rgba(9, 26, 45, 0.98);
    backdrop-filter: blur(10px);
    transform: translateX(100%);
    z-index: 1001;
    padding-top: 100px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateX(0);
    pointer-events: auto;
  }

  .nav-menu ul {
    flex-direction: column;
    text-align: center;
    width: 100%;
    padding: 20px;
  }

  .nav-menu ul li {
    margin: 30px 0;
  }

  .nav-menu ul li a {
    font-size: 1.2em;
  }

  .hero-section {
    flex-direction: column;
    text-align: center;
    gap: 40px;
    min-height: auto;
    padding: 100px 25px 50px 25px;
  }

  .content-left {
    max-width: 100%;
    text-align: center;
    order: 2;
  }

  .content-left h1 {
    font-size: 3em;
    line-height: 1.2;
  }

  .subtitle {
    font-size: 1.3em;
  }

  .text-block {
    text-align: center;
  }

  .graphic-right {
    min-height: 250px;
    padding: 0 20px;
    order: 1;
  }

  #hero-graphic-image {
    max-width: 90%;
  }

  .section-padding {
    padding: 80px 25px;
  }

  .services-container,
  .pricing-container {
    flex-direction: column;
    align-items: center;
  }

  .service-card,
  .plan-card {
    max-width: 90%;
    width: 100%;
  }

  .plan-card {
    max-width: 350px;
  }

  .service-card {
    text-align: center;
  }

  .features-list {
    text-align: center;
  }

  .section-divider {
    margin: 0 25px;
  }

  .btn {
    padding: 12px 25px;
  }
}

@media (max-width: 600px) {
  h2 {
    font-size: 2em;
  }

  .section-description {
    font-size: 1em;
  }

  .logo {
    font-size: 1.2em;
  }

  .navbar {
    padding: 15px 20px;
  }

  .menu-toggle {
    margin-right: 0;
  }

  .hero-section {
    padding: 90px 20px 40px 20px;
  }

  .content-left h1 {
    font-size: 2.5em;
  }

  .subtitle {
    font-size: 1.2em;
  }

  .text-block {
    font-size: 0.95em;
  }

  .price {
    font-size: 2.5em;
  }

  .plan-card {
    width: 95%;
  }

  .section-padding {
    padding: 60px 20px;
  }

  .section-divider {
    margin: 0 20px;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .section-padding {
    padding: 20px;
  }

  .hero-section {
    padding: 80px 15px 30px 15px;
  }

  .content-left h1 {
    font-size: 2.2em;
  }

  .subtitle {
    font-size: 1em;
  }

  .plan-card {
    padding: 30px 20px;
    width: 100%;
    max-width: none;
  }

  .service-card {
    max-width: none;
    width: 100%;
  }

  footer {
    padding: 15px;
    line-height: 1.4;
  }

  footer a {
    display: block;
    margin: 5px 0;
  }
}