/* ===== CSS VARIABLES & DESIGN TOKENS ===== */
:root {
  /* Colors - Premium Palette */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #13131a;
  --color-bg-tertiary: #1a1a24;

  --color-purple-500: #8b5cf6;
  --color-purple-600: #7c3aed;
  --color-purple-700: #6d28d9;

  --color-blue-400: #60a5fa;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;

  --color-gold-400: #fbbf24;
  --color-gold-500: #f59e0b;
  --color-gold-600: #d97706;

  --color-cyan-400: #22d3ee;
  --color-cyan-500: #06b6d4;

  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  --gradient-hero: linear-gradient(
    135deg,
    #1a1a24 0%,
    #2d1b69 50%,
    #1e3a8a 100%
  );

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;

  /* Typography */
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Shadows & Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.3);

  /* Animation Timings */
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --easing-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== MODERN CSS RESET ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes glow {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn var(--duration-slow) var(--easing-smooth) forwards;
}

.fade-in.visible {
  animation: fadeIn var(--duration-slow) var(--easing-smooth) forwards;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
  transition: background var(--duration-normal) var(--easing-smooth);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  font-size: var(--text-2xl);
  font-weight: 800;
  font-family: var(--font-heading);
  display: flex;
  gap: var(--space-1);
}

.logo-etx {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-host {
  color: var(--color-text-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.025em;
  transition: color var(--duration-fast) var(--easing-smooth);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--duration-normal) var(--easing-smooth);
}

.nav-link:hover {
  color: var(--color-text-primary);
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform var(--duration-normal) var(--easing-smooth);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--space-12);
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
  opacity: 0.9;
}

.particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 600px;
  margin: 0 auto;
}

.stat-item {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid rgba(139, 92, 246, 0.2);
  transition: transform var(--duration-normal) var(--easing-smooth);
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-6);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: 12px;
  cursor: pointer;
  border: none;
  transition: all var(--duration-normal) var(--easing-smooth);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-smooth);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
  border: 1px solid rgba(139, 92, 246, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(139, 92, 246, 0.5);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* ===== SECTIONS ===== */
section {
  padding: var(--space-12) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

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

/* ===== FEATURES SECTION ===== */
.features {
  background: var(--color-bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: all var(--duration-normal) var(--easing-smooth);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 12px;
  margin-bottom: var(--space-4);
  transition: transform var(--duration-normal) var(--easing-bounce);
}

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

.feature-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.feature-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ===== PRICING SECTION ===== */
.pricing {
  background: var(--color-bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(139, 92, 246, 0.2);
  transition: all var(--duration-normal) var(--easing-smooth);
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: rgba(139, 92, 246, 0.4);
}

.pricing-card-featured {
  background: rgba(139, 92, 246, 0.1);
  border: 2px solid rgba(139, 92, 246, 0.5);
  transform: scale(1.05);
}

.pricing-card-featured:hover {
  transform: scale(1.05) translateY(-10px);
  box-shadow: 0 30px 60px rgba(139, 92, 246, 0.3);
}

.pricing-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: radial-gradient(
    circle at center top,
    rgba(139, 92, 246, 0.3),
    transparent
  );
  opacity: 0;
  transition: opacity var(--duration-slow) var(--easing-smooth);
}

.pricing-card-featured:hover .pricing-glow {
  opacity: 1;
  animation: glow 2s ease-in-out infinite;
}

.pricing-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-badge-featured {
  background: var(--gradient-gold);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 2;
}

.pricing-name {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.currency {
  font-size: var(--text-2xl);
  color: var(--color-text-secondary);
}

.amount {
  font-size: var(--text-5xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.period {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.pricing-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-6);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.check-icon {
  flex-shrink: 0;
  color: var(--color-purple-500);
}

.pricing-btn {
  width: 100%;
  padding: var(--space-4);
  background: rgba(139, 92, 246, 0.2);
  color: var(--color-text-primary);
  border: 1px solid rgba(139, 92, 246, 0.5);
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-smooth);
}

.pricing-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

.pricing-card-featured .pricing-btn {
  background: var(--gradient-primary);
  border-color: transparent;
}

.pricing-card-featured .pricing-btn:hover {
  box-shadow: 0 15px 40px rgba(139, 92, 246, 0.6);
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--color-bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about-text {
  max-width: 600px;
}

.about-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  line-height: 1.8;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.about-feature-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.about-feature-text {
  font-weight: 500;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.about-card-glow {
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: 20px;
  opacity: 0.2;
  filter: blur(20px);
  z-index: -1;
  animation: glow 3s ease-in-out infinite;
}

.about-stat {
  text-align: center;
  padding: var(--space-5) 0;
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.about-stat:last-child {
  border-bottom: none;
}

.about-stat-value {
  font-size: var(--text-4xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.about-stat-label {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--color-bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-10);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 12px;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: all var(--duration-normal) var(--easing-smooth);
}

.form-input:focus {
  outline: none;
  border-color: rgba(139, 92, 246, 0.5);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

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

.form-error {
  font-size: var(--text-xs);
  color: #ef4444;
  display: none;
}

.form-error.visible {
  display: block;
}

.contact-info-card {
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.contact-info-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 10px;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.contact-info-value {
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--space-10) 0 var(--space-6);
  border-top: 1px solid rgba(139, 92, 246, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-10);
  margin-bottom: var(--space-8);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  margin-bottom: var(--space-4);
}

.footer-tagline {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.footer-heading {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-list a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--easing-smooth);
}

.footer-list a:hover {
  color: var(--color-purple-500);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(139, 92, 246, 0.1);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  color: var(--color-text-secondary);
  transition: all var(--duration-normal) var(--easing-smooth);
}

.social-link:hover {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  transform: translateY(-3px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--text-4xl);
  }

  .section-title {
    font-size: var(--text-3xl);
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-6);
    gap: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--duration-normal) var(--easing-smooth);
  }

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

  .mobile-toggle {
    display: flex;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-subtitle {
    font-size: var(--text-lg);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

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

  .pricing-card-featured {
    transform: scale(1);
  }

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

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
  }

  .container {
    padding: 0 var(--space-4);
  }

  section {
    padding: var(--space-8) 0;
  }
}
/* ===== MODAL STYLES ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: linear-gradient(135deg, rgba(26, 26, 36, 0.95) 0%, rgba(19, 19, 26, 0.95) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 1rem;
  padding: var(--space-8);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--color-text-primary);
}

.modal-header {
  margin-bottom: var(--space-6);
  text-align: center;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.modal-subtitle {
  color: var(--color-text-secondary);
}

.modal-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-purple-500);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.modal-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===== SIGNUP PAGE STYLES ===== */
.signup-section {
  min-height: 100vh;
  padding: calc(80px + var(--space-8)) var(--space-4) var(--space-8);
  background: var(--color-bg-primary);
}

.signup-container {
  max-width: 700px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(26, 26, 36, 0.6) 0%, rgba(19, 19, 26, 0.6) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 1rem;
  padding: var(--space-8);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.signup-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.signup-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.signup-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.signup-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-purple-500);
}

.price-period {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: 0.025em;
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(19, 19, 26, 0.5);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 0.5rem;
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-purple-500);
  background: rgba(19, 19, 26, 0.8);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-error {
  display: none;
  font-size: 0.875rem;
  color: #ef4444;
  margin-top: var(--space-1);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 0.125rem;
  cursor: pointer;
}

.link {
  color: var(--color-purple-500);
  text-decoration: none;
  transition: color 0.3s ease;
}

.link:hover {
  color: var(--color-purple-400);
  text-decoration: underline;
}

/* Payment Methods */
.payment-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.payment-method-option {
  cursor: pointer;
}

.payment-method-option input[type="radio"] {
  display: none;
}

.payment-method-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: rgba(19, 19, 26, 0.5);
  border: 2px solid rgba(139, 92, 246, 0.2);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.payment-method-option input[type="radio"]:checked + .payment-method-card {
  border-color: var(--color-purple-500);
  background: rgba(139, 92, 246, 0.1);
}

.payment-method-card:hover {
  border-color: var(--color-purple-400);
  transform: translateY(-2px);
}

.payment-method-card span {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* Plan Summary */
.plan-summary {
  padding: var(--space-5);
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 0.5rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  color: var(--color-text-secondary);
}

.summary-row:not(:last-child) {
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.summary-total {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 2px solid rgba(139, 92, 246, 0.2) !important;
}

.btn-large {
  padding: var(--space-4) var(--space-6);
  font-size: 1.125rem;
}

.signup-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* Responsive */
@media (max-width: 768px) {
  .signup-container {
    padding: var(--space-6);
  }

  .signup-title {
    font-size: 1.5rem;
  }

  .signup-price {
    font-size: 2rem;
  }

  .payment-methods {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: var(--space-6);
  }
}