:root {
  --primary-color: #1e3a8a;
  --secondary-color: #7c3aed;
  --accent-color: #06b6d4;
  --dark-bg: #0f172a;
  --light-text: #f8fafc;
  --gray-text: #cbd5e1;
  --card-bg: #1e293b;
  --gradient-1: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 100%);
  --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Lexend", sans-serif;
  background-color: var(--dark-bg);
  color: var(--light-text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.age-notice {
  background: var(--gradient-1);
  color: var(--light-text);
  text-align: center;
  padding: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.site-header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--gray-text) !important;
  font-weight: 400;
  margin: 0 0.5rem;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--accent-color) !important;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-2);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.btn-login {
  background: transparent;
  border: 1px solid var(--accent-color);
  border-radius: 6px;
  padding: 0.5rem 1.5rem !important;
  margin-left: 1rem !important;
}

.btn-login:hover {
  background: var(--accent-color);
  color: var(--dark-bg) !important;
}

.btn-register {
  background: var(--gradient-2);
  border-radius: 6px;
  padding: 0.5rem 1.5rem !important;
  color: var(--light-text) !important;
  margin-left: 0.5rem !important;
}

.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero-section {
  position: relative;
  padding: 8rem 0 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at top,
    rgba(124, 58, 237, 0.15) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.hero-bg::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(6, 182, 212, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-50px, -50px) scale(1.1);
  }
}

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

.hero-tag {
  display: inline-block;
  background: rgba(124, 58, 237, 0.2);
  color: var(--accent-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--gray-text);
  margin-bottom: 2.5rem;
  max-width: 500px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--gradient-2);
  color: var(--light-text);
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  display: inline-block;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
  color: var(--light-text);
}

.btn-secondary {
  background: transparent;
  color: var(--light-text);
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  border: 2px solid var(--accent-color);
  transition: var(--transition);
  display: inline-block;
}

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

.hero-image {
  position: relative;
  animation: fadeInRight 1s ease-out;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.3);
  transform: perspective(1000px) rotateY(-5deg);
  transition: var(--transition);
}

.hero-image img:hover {
  transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.pricing-section {
  padding: 6rem 0;
  background: linear-gradient(
    to bottom,
    var(--dark-bg) 0%,
    rgba(30, 58, 138, 0.05) 100%
  );
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  color: var(--accent-color);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-text);
  max-width: 600px;
  margin: 0 auto;
}

.pricing-card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-2);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-color);
  box-shadow: 0 20px 60px rgba(6, 182, 212, 0.2);
}

.pricing-card-popular {
  background: rgba(124, 58, 237, 0.1);
  border-color: var(--accent-color);
}

.popular-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--gradient-2);
  color: var(--light-text);
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.price-tag {
  margin-bottom: 1.5rem;
}

.currency {
  font-size: 2rem;
  color: var(--gray-text);
  vertical-align: top;
}

.amount {
  font-size: 4rem;
  font-weight: 700;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.plan-name {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--light-text);
}

.plan-description {
  color: var(--gray-text);
  margin-bottom: 2rem;
  min-height: 3rem;
}

.btn-outline {
  background: transparent;
  color: var(--accent-color);
  padding: 0.875rem 2rem;
  border: 2px solid var(--accent-color);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: inline-block;
}

.btn-outline:hover {
  background: var(--accent-color);
  color: var(--dark-bg);
  transform: translateY(-2px);
}

.how-section {
  padding: 6rem 0;
  background: var(--dark-bg);
}

.how-card {
  text-align: center;
  padding: 2rem;
  transition: var(--transition);
}

.how-number {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  font-family: "Cormorant Garamond", serif;
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
  transition: var(--transition);
}

.how-card:hover .how-number {
  transform: scale(1.1) rotate(5deg);
}

.how-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--light-text);
}

.how-description {
  color: var(--gray-text);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.logic-section {
  padding: 6rem 0;
  background: linear-gradient(
    to bottom,
    var(--dark-bg) 0%,
    rgba(124, 58, 237, 0.05) 100%
  );
}

.logic-image {
  position: relative;
}

.logic-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.logic-text {
  color: var(--gray-text);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.logic-features {
  list-style: none;
  padding: 0;
  margin-top: 2rem;
}

.logic-features li {
  color: var(--gray-text);
  padding: 0.875rem 0;
  padding-left: 2rem;
  position: relative;
  font-size: 1.0625rem;
}

.logic-features li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-size: 1.25rem;
}

.contact-section {
  padding: 6rem 0;
  background: var(--dark-bg);
}

.contact-card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(6, 182, 212, 0.15);
}

.contact-title {
  color: var(--accent-color);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.contact-info {
  color: var(--gray-text);
  font-size: 1.0625rem;
  margin: 0;
}

.site-footer {
  background: rgba(15, 23, 42, 0.95);
  border-top: 1px solid rgba(124, 58, 237, 0.2);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-logo {
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
}

.footer-heading {
  color: var(--light-text);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-heading-blue {
  color: var(--accent-color);
}

.footer-heading-green {
  color: var(--accent-color);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-text);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-img {
  max-width: 150px;
  height: auto;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-img:hover {
  opacity: 1;
  transform: scale(1.05);
}

.footer-img-invert {
  filter: invert(1);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--gray-text);
  font-size: 0.9375rem;
}

.site-footer p {
  color: var(--gray-text);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

@media (max-width: 991px) {
  .hero-title {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .hero-section {
    padding: 4rem 0 3rem;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1.0625rem;
  }

  .pricing-card {
    margin-bottom: 1rem;
  }
}