/* Font Face */
@font-face {
  font-family: "SempCloud";
  src: url("fonts/sempcloud-logo.woff2") format("woff2");
  font-weight: bold;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(to bottom, #0f172a, #000000);
  color: white;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 1rem 1.5rem;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(40px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  padding: 1rem 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
}

.logo {
  color: white;
  font-size: 1.25rem;
  font-family: "SempCloud", sans-serif;
  font-weight: bold;
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #22d3ee;
}

/* Hero Section */
.hero {
  height: 100vh;
  overflow: hidden;
  background: #0f172a;
  position: relative;
}

.hero-parallax {
  position: relative;
  height: 100%;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6));
  z-index: 1;
}

.hero-image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  z-index: 10;
  padding: 0 3rem;
}

.hero-card {
  backdrop-filter: blur(40px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  padding: 3rem;
  max-width: 48rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.hero-title {
  font-size: clamp(1.875rem, 5vw, 3.75rem);
  font-weight: bold;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  color: white;
}

.hero-description {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  line-height: 1.6;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Services Section */
.services {
  min-height: 100vh;
  background: linear-gradient(to bottom, #0f172a, #1e293b, #0f172a);
  padding: 5rem 1rem;
}

.purchase-notice {
  backdrop-filter: blur(40px);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 3rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.purchase-notice p {
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
}

.purchase-notice a {
  color: #22d3ee;
  text-decoration: underline;
  transition: color 0.3s;
}

.purchase-notice a:hover {
  color: #67e8f9;
}

.services-group {
  backdrop-filter: blur(40px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  padding: 3rem;
  margin-bottom: 3rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.section-title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: bold;
  color: white;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: #22d3ee;
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.services-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  backdrop-filter: blur(24px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.service-card:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(34, 211, 238, 0.2);
  transform: scale(1.02);
}

.service-card.premium {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(255, 255, 255, 0.05));
  border: 2px solid rgba(34, 211, 238, 0.6);
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(34, 211, 238, 0.3);
}

.service-card.premium:hover {
  box-shadow: 0 30px 60px rgba(34, 211, 238, 0.5);
}

.premium-badge {
  position: absolute;
  top: 0;
  right: 0;
  backdrop-filter: blur(16px);
  background: #22d3ee;
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.5rem 1rem;
  border-bottom-left-radius: 0.75rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.service-title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: bold;
  color: white;
  margin-bottom: 1rem;
}

.service-description {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

.service-price {
  font-size: clamp(1.875rem, 3vw, 2.25rem);
  font-weight: bold;
  color: #22d3ee;
  margin-bottom: 0.5rem;
}

.premium-price {
  color: #67e8f9;
}

.service-period {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.75rem;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

.bullet {
  color: #22d3ee;
  margin-right: 0.75rem;
  font-size: 1.25rem;
}

.premium-bullet {
  color: #67e8f9;
}

.highlight {
  font-weight: 600;
}

.btn-glass {
  display: inline-block;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 16px rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.btn-full {
  display: block;
  width: 100%;
}

/* Challenge Section */
.challenge {
  position: relative;
  height: 100vh;
  overflow: hidden;
  clip-path: polygon(0% 0, 100% 0%, 100% 100%, 0 100%);
}

.challenge-fixed {
  position: fixed;
  top: -10vh;
  left: 0;
  height: 120vh;
  width: 100%;
}

.challenge-parallax {
  position: relative;
  width: 100%;
  height: 100%;
  will-change: transform;
}

.challenge-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
  z-index: 1;
}

.challenge-image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.challenge-content {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  padding: 0 1.5rem;
  text-align: center;
}

.challenge-card {
  backdrop-filter: blur(40px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  padding: 3rem;
  max-width: 64rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.challenge-label {
  color: #22d3ee;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  font-weight: bold;
  letter-spacing: 0.1em;
}

.challenge-title {
  color: white;
  font-size: clamp(1.5rem, 5vw, 3.75rem);
  font-weight: bold;
  margin-bottom: 2rem;
  line-height: 1.2;
}

.challenge-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: 1rem;
}

.challenge-bold {
  color: white;
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: bold;
}

/* Footer */
.footer {
  position: relative;
  height: 500px;
  clip-path: polygon(0% 0, 100% 0%, 100% 100%, 0 100%);
}

.footer-fixed {
  position: relative;
  height: calc(100vh + 500px);
  top: -100vh;
}

.footer-content {
  height: 500px;
  position: sticky;
  top: calc(100vh - 500px);
  background: linear-gradient(to bottom, #0f172a, #000000);
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-card {
  backdrop-filter: blur(40px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  flex: 1;
  min-width: 250px;
}

.footer-heading {
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  color: #22d3ee;
  font-size: 0.875rem;
  font-weight: bold;
  letter-spacing: 0.05em;
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s;
  font-size: 0.875rem;
}

.footer-link:hover {
  color: #22d3ee;
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  font-size: 0.875rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-top: 2rem;
}

.footer-logo {
  font-size: clamp(3rem, 10vw, 8rem);
  line-height: 0.8;
  color: white;
  font-family: "SempCloud", sans-serif;
  font-weight: bold;
  letter-spacing: -0.02em;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.75rem;
  }

  .header-container {
    padding: 0.75rem 1.5rem;
  }

  .hero-content {
    padding: 0 1.5rem;
  }

  .hero-card {
    padding: 2rem;
  }

  .services-group {
    padding: 2rem 1.5rem;
  }

  .challenge-card {
    padding: 2rem;
  }

  .footer-grid {
    flex-direction: column;
  }

  .footer-card {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 0.75rem 1rem;
  }

  .logo {
    font-size: 1rem;
  }

  .nav {
    gap: 0.75rem;
  }
}