:root {
  --clr-primary: #4EC5FF;
  --clr-secondary: #FFC857;
  --clr-bg: #0A0D0F;
  --clr-text: #F2F2F2;
  --clr-muted: #1A1F22;
  --radius-sm: 2px;
  --radius-md: 4px;
  --space-sm: 0.75rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

a:hover {
  color: var(--clr-secondary);
  text-shadow: 0 0 8px rgba(255, 200, 87, 0.5);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

header {
  background-color: rgba(10, 13, 15, 0.95);
  border-bottom: 1px solid var(--clr-muted);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-text);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-links a {
  color: var(--clr-text);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links a:hover {
  background-color: var(--clr-muted);
  color: var(--clr-primary);
  box-shadow: 0 0 12px rgba(78, 197, 255, 0.3);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.burger span {
  width: 25px;
  height: 2px;
  background-color: var(--clr-text);
  transition: var(--transition);
}

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

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

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

main {
  flex: 1;
}

.hero {
  background: linear-gradient(135deg, rgba(10, 13, 15, 0.9), rgba(26, 31, 34, 0.8));
  padding: var(--space-lg) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(78, 197, 255, 0.1), transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(255, 200, 87, 0.1), transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-lg) 0;
}

.hero h1 {
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--clr-text), var(--clr-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-lg);
  color: rgba(242, 242, 242, 0.8);
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--clr-primary);
  color: var(--clr-bg);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(78, 197, 255, 0.3);
}

.btn:hover {
  background-color: var(--clr-secondary);
  color: var(--clr-bg);
  box-shadow: 0 6px 20px rgba(255, 200, 87, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--clr-secondary);
  color: var(--clr-secondary);
}

.btn-secondary:hover {
  background-color: var(--clr-secondary);
  color: var(--clr-bg);
}

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

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

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.card {
  background-color: var(--clr-muted);
  border: 1px solid rgba(78, 197, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
  transform: scaleX(0);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 8px 24px rgba(78, 197, 255, 0.2);
  transform: translateY(-4px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.card h3 {
  color: var(--clr-primary);
  margin-bottom: var(--space-sm);
}

.card p {
  color: rgba(242, 242, 242, 0.7);
  margin-bottom: var(--space-md);
}

.cta-section {
  background-color: var(--clr-muted);
  padding: var(--space-lg) 0;
  text-align: center;
  margin-top: var(--space-lg);
}

footer {
  background-color: var(--clr-muted);
  border-top: 1px solid rgba(78, 197, 255, 0.1);
  padding: var(--space-lg) 0;
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.footer-section h4 {
  color: var(--clr-primary);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

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

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

.footer-links a {
  color: rgba(242, 242, 242, 0.7);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--clr-secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(78, 197, 255, 0.1);
  color: rgba(242, 242, 242, 0.5);
  font-size: 0.85rem;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--clr-text);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--clr-muted);
  border: 1px solid rgba(78, 197, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 12px rgba(78, 197, 255, 0.3);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  margin-bottom: 0;
  font-weight: normal;
  font-size: 0.9rem;
}

.error {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: var(--space-sm);
  display: none;
}

.error.show {
  display: block;
}

.thanks-content,
.error-content {
  text-align: center;
  padding: var(--space-lg) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.thanks-content h1,
.error-content h1 {
  margin-bottom: var(--space-md);
  color: var(--clr-primary);
}

.thanks-content p,
.error-content p {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  color: rgba(242, 242, 242, 0.8);
}

/* Alternative Section Layouts */
.section-alt {
  background-color: var(--clr-muted);
  padding: var(--space-lg) 0;
}

.alt-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.alt-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  min-height: 300px;
}

.alt-item.alt-reverse {
  direction: rtl;
}

.alt-item.alt-reverse > * {
  direction: ltr;
}

.alt-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.alt-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

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

.alt-text h3 {
  color: var(--clr-primary);
  margin-bottom: var(--space-md);
}

.alt-text p {
  color: rgba(242, 242, 242, 0.8);
  line-height: 1.7;
}

/* Icons Section */
.section-icons {
  background: linear-gradient(135deg, rgba(10, 13, 15, 0.95), rgba(26, 31, 34, 0.95));
}

.icons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.icon-card {
  background-color: var(--clr-muted);
  border: 1px solid rgba(78, 197, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition);
}

.icon-card:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 8px 24px rgba(78, 197, 255, 0.2);
  transform: translateY(-4px);
}

.icon-wrapper {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  display: inline-block;
  filter: drop-shadow(0 0 10px rgba(78, 197, 255, 0.3));
}

.icon-card h3 {
  color: var(--clr-primary);
  margin-bottom: var(--space-sm);
}

.icon-card p {
  color: rgba(242, 242, 242, 0.7);
  line-height: 1.6;
}

/* Featured Section */
.section-featured {
  background-color: var(--clr-bg);
  padding: var(--space-lg) 0;
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  min-height: 400px;
}

.featured-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.featured-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(78, 197, 255, 0.2);
}

.featured-text h2 {
  color: var(--clr-text);
  margin-bottom: var(--space-lg);
  text-align: left;
}

.featured-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.featured-item {
  padding: var(--space-md);
  background-color: var(--clr-muted);
  border-left: 3px solid var(--clr-primary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.featured-item:hover {
  background-color: rgba(78, 197, 255, 0.05);
  transform: translateX(5px);
}

.featured-item h3 {
  color: var(--clr-primary);
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.featured-item p {
  color: rgba(242, 242, 242, 0.8);
  line-height: 1.6;
}

/* Two Column Section */
.section-two-col {
  background: linear-gradient(135deg, rgba(26, 31, 34, 0.8), rgba(10, 13, 15, 0.8));
  padding: var(--space-lg) 0;
}

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.two-col-item {
  background-color: var(--clr-muted);
  border: 1px solid rgba(255, 200, 87, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition);
}

.two-col-item:hover {
  border-color: var(--clr-secondary);
  box-shadow: 0 8px 24px rgba(255, 200, 87, 0.2);
  transform: translateY(-4px);
}

.two-col-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: inline-block;
  filter: drop-shadow(0 0 10px rgba(255, 200, 87, 0.3));
}

.two-col-item h3 {
  color: var(--clr-secondary);
  margin-bottom: var(--space-sm);
}

.two-col-item p {
  color: rgba(242, 242, 242, 0.7);
  line-height: 1.6;
}

/* Testimonials Section */
.section-testimonials {
  background-color: var(--clr-muted);
  padding: var(--space-lg) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.testimonial-card {
  background-color: var(--clr-bg);
  border: 1px solid rgba(78, 197, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 8px 24px rgba(78, 197, 255, 0.2);
  transform: translateY(-4px);
}

.testimonial-avatar {
  font-size: 3rem;
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  border-radius: 50%;
  filter: drop-shadow(0 0 10px rgba(78, 197, 255, 0.3));
}

.testimonial-content {
  flex: 1;
}

.testimonial-text {
  color: rgba(242, 242, 242, 0.9);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  color: var(--clr-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.testimonial-role {
  color: rgba(242, 242, 242, 0.6);
  font-size: 0.9rem;
}


@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: rgba(10, 13, 15, 0.98);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateX(-100%);
    transition: var(--transition);
    border-bottom: 1px solid var(--clr-muted);
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .burger {
    display: flex;
  }

  .grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }

  .container {
    padding: 0 var(--space-md);
  }

  .hero {
    padding: var(--space-md) 0;
  }

  .hero-content {
    padding: var(--space-md) 0;
  }

  .hero-content > div {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }

  .hero-content > div .btn {
    width: 100%;
    max-width: 300px;
  }

  .section {
    padding: var(--space-md) 0;
  }

  .section-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-md);
  }

  .card {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
  }

  .card img {
    height: 180px;
    margin-bottom: var(--space-md);
  }

  .card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
  }

  .card p {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    width: 100%;
    max-width: 300px;
  }

  .logo {
    font-size: 1.25rem;
  }

  nav {
    padding: var(--space-sm) 0;
  }

  footer {
    padding: var(--space-md) 0;
  }

  .cta-section {
    padding: var(--space-md) 0;
  }

  .cta-section h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-sm);
  }

  .cta-section p {
    font-size: 1rem;
    margin-bottom: var(--space-md);
  }

  .form-group {
    margin-bottom: var(--space-md);
  }

  .form-group input,
  .form-group textarea {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.95rem;
  }

  .checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .checkbox-group label {
    font-size: 0.85rem;
    line-height: 1.4;
  }

  h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
  }

  h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
  }

  h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
  }

  /* Contact form grid fix for tablet */
  .grid[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  /* Alternative layouts responsive */
  .alt-item {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .alt-item.alt-reverse {
    direction: ltr;
  }

  .featured-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .featured-text h2 {
    text-align: center;
  }

  .two-col-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .icons-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .testimonial-card {
    flex-direction: column;
    text-align: center;
  }

  .testimonial-avatar {
    margin: 0 auto;
  }
}

@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-sm);
  }

  h1 {
    font-size: 1.5rem;
    line-height: 1.3;
  }

  h2 {
    font-size: 1.35rem;
    line-height: 1.3;
  }

  h3 {
    font-size: 1.15rem;
    line-height: 1.3;
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
    width: 100%;
    text-align: center;
    letter-spacing: 0.5px;
  }

  .hero {
    padding: var(--space-sm) 0;
  }

  .hero-content {
    padding: var(--space-sm) 0;
  }

  .hero-content > div {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
  }

  .hero-content > div .btn {
    width: 100%;
    margin: 0;
  }

  .hero p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: var(--space-md);
  }

  .logo {
    font-size: 1rem;
    letter-spacing: 1px;
  }

  nav {
    padding: var(--space-sm) 0;
  }

  .section {
    padding: var(--space-sm) 0;
  }

  .section-title {
    font-size: 1.35rem;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
  }

  .card {
    padding: var(--space-sm);
    margin-bottom: var(--space-sm);
  }

  .card img {
    height: 140px;
    margin-bottom: var(--space-sm);
  }

  .card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
  }

  .card p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: var(--space-sm);
  }

  .grid {
    gap: var(--space-sm);
  }

  .nav-links {
    padding: var(--space-sm);
    gap: var(--space-sm);
    top: 60px;
  }

  .nav-links a {
    padding: var(--space-sm);
    font-size: 0.9rem;
  }

  .footer-content {
    gap: var(--space-sm);
  }

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

  .footer-section h4 {
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
  }

  .footer-section p {
    font-size: 0.8rem;
    line-height: 1.5;
  }

  .footer-links {
    font-size: 0.8rem;
  }

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

  .footer-bottom {
    padding-top: var(--space-sm);
    font-size: 0.75rem;
  }

  footer {
    padding: var(--space-sm) 0;
  }

  .cta-section {
    padding: var(--space-sm) 0;
  }

  .cta-section h2 {
    font-size: 1.35rem;
    margin-bottom: var(--space-sm);
  }

  .cta-section p {
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
  }

  .form-group {
    margin-bottom: var(--space-sm);
  }

  .form-group label {
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
  }

  .form-group input,
  .form-group textarea {
    padding: var(--space-sm);
    font-size: 0.85rem;
  }

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

  .checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
  }

  .checkbox-group input[type="checkbox"] {
    margin-top: 2px;
  }

  .checkbox-group label {
    font-size: 0.75rem;
    line-height: 1.4;
  }

  .error {
    font-size: 0.75rem;
  }

  .burger span {
    width: 20px;
  }

  /* Contact form grid fix for mobile */
  .grid[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  /* Alternative layouts responsive for small screens */
  .alt-item {
    grid-template-columns: 1fr;
  }

  .alt-image img {
    height: 200px;
    object-fit: cover;
  }

  .featured-content {
    grid-template-columns: 1fr;
  }

  .featured-image img {
    height: 200px;
    object-fit: cover;
  }

  .two-col-grid {
    grid-template-columns: 1fr;
  }

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

  .icon-wrapper {
    font-size: 2.5rem;
  }

  .two-col-icon {
    font-size: 2rem;
  }

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

  .testimonial-avatar {
    width: 50px;
    height: 50px;
    font-size: 2rem;
  }
}