/* ===== Linkzella Brand Design System - Exact Match ===== */
:root {
  --background: #ffffff;
  --foreground: #0f172a;

  /* Modern Color Palette - Exact from main app */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;

  --secondary-50: #f0fdfa;
  --secondary-100: #ccfbf1;
  --secondary-200: #99f6e4;
  --secondary-300: #5eead4;
  --secondary-400: #2dd4bf;
  --secondary-500: #14b8a6;
  --secondary-600: #0d9488;
  --secondary-700: #0f766e;
  --secondary-800: #115e59;
  --secondary-900: #134e4a;

  --accent-50: #f0fff4;
  --accent-100: #dcfce7;
  --accent-200: #bbf7d0;
  --accent-300: #86efac;
  --accent-400: #4ade80;
  --accent-500: #22c55e;
  --accent-600: #16a34a;
  --accent-700: #15803d;
  --accent-800: #166534;
  --accent-900: #14532d;

  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  /* Typography Scale - Exact from main app */
  --text-xs: 0.75rem; /* 12px */
  --text-sm: 0.875rem; /* 14px */
  --text-base: 1rem; /* 16px */
  --text-lg: 1.125rem; /* 18px */
  --text-xl: 1.25rem; /* 20px */
  --text-2xl: 1.5rem; /* 24px */
  --text-3xl: 1.875rem; /* 30px */
  --text-4xl: 2.25rem; /* 36px */
  --text-5xl: 3rem; /* 48px */
  --text-6xl: 3.75rem; /* 60px */
  --text-7xl: 4.5rem; /* 72px */
  --text-8xl: 6rem; /* 96px */
  --text-9xl: 8rem; /* 128px */

  /* Enhanced Line Heights for better readability */
  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;
  --leading-loose: 1.8;

  /* Letter Spacing for smooth, friendly text */
  --tracking-tighter: -0.03em;
  --tracking-tight: -0.015em;
  --tracking-normal: 0em;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.04em;
  --tracking-widest: 0.08em;

  /* Border Radius for modern, friendly design */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;

  /* Font Variables - Exact from main app */
  --font-space: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  --font-inter: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-crimson: "Crimson Pro", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono",
    Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

/* Enhanced Base Typography - Exact from main app */
body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-inter);
  font-feature-settings: "rlig" 1, "calt" 1, "kern" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-optical-sizing: auto;
  line-height: var(--leading-normal);
  min-height: 100vh;
}

/* Page container with gradient background - exact from main app */
.page-container {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background: linear-gradient(135deg, #f0f9ff 0%, #f0fdfa 50%, #f0fff4 100%);
}

/* ===== Enhanced Background Decoration ===== */
.bg-decoration {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.decoration-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.08;
  animation: float 20s ease-in-out infinite;
}

.blob-1 {
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
  top: -15%;
  left: -15%;
  animation-delay: 0s;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--secondary-400), var(--accent-400));
  bottom: -15%;
  right: -15%;
  animation-delay: -10s;
}

.blob-3 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--accent-400), var(--primary-400));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  33% {
    transform: translate(20px, -20px) rotate(120deg) scale(1.1);
  }
  66% {
    transform: translate(-15px, 15px) rotate(240deg) scale(0.9);
  }
}

/* ===== Main Content ===== */
.main-content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 80px 24px 40px;
  text-align: center;
}

/* ===== Trust Badge ===== */
.trust-badge {
  display: inline-block;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-badge.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.trust-badge-content {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neutral-200);
  border-radius: 50px;
  padding: 12px 24px;
  color: var(--neutral-700);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.stars {
  font-size: 16px;
}

.badge-text {
  font-family: var(--font-space);
  letter-spacing: var(--tracking-tight);
  color: var(--neutral-800);
}

.badge-icon {
  font-size: 16px;
}

/* ===== Hero Title ===== */
.hero-title {
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: 0.2s;
}

.hero-title.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.title-line-1 {
  display: block;
  font-family: var(--font-space);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
  background: linear-gradient(
    135deg,
    var(--primary-500) 0%,
    var(--secondary-500) 50%,
    var(--accent-500) 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  text-shadow: 0 0 40px rgba(14, 165, 233, 0.15);
}

.title-line-2 {
  display: block;
  font-family: var(--font-crimson);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-snug);
  background: linear-gradient(
    135deg,
    var(--accent-500) 0%,
    var(--accent-600) 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== Hero Description ===== */
.hero-description {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--neutral-600);
  max-width: 720px;
  margin: 0 auto 48px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: 0.4s;
}

.hero-description.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.highlight-primary {
  color: var(--primary-600);
  background: var(--primary-50);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.highlight-accent {
  color: var(--accent-600);
  font-weight: 600;
}

/* ===== Feature Badges ===== */
.feature-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: 0.6s;
}

.feature-badges.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.feature-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neutral-200);
  border-radius: 50px;
  padding: 12px 20px;
  color: var(--neutral-700);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05),
    0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.feature-badge:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border-color: var(--primary-300);
  background: rgba(255, 255, 255, 0.95);
}

.feature-icon {
  font-size: 18px;
}

.feature-text {
  white-space: nowrap;
  font-family: var(--font-space);
  letter-spacing: var(--tracking-tight);
}

/* ===== Newsletter Card ===== */
.newsletter-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(30px);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  padding: 48px 40px;
  max-width: 600px;
  margin: 0 auto 80px;
  color: var(--neutral-800);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: 0.8s;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.newsletter-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.newsletter-title {
  font-family: var(--font-space);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 12px;
  color: var(--neutral-900);
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.newsletter-subtitle {
  font-size: var(--text-base);
  color: var(--neutral-600);
  margin-bottom: 32px;
  line-height: var(--leading-relaxed);
}

/* ===== Enhanced Form ===== */
.newsletter-form {
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.email-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--neutral-800);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.email-input:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  background: rgba(255, 255, 255, 1);
}

.email-input::placeholder {
  color: var(--neutral-400);
}

.submit-button {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  border: none;
  border-radius: var(--radius-lg);
  padding: 16px 32px;
  color: white;
  font-size: var(--text-base);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.25);
}

.submit-button:hover {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(14, 165, 233, 0.25),
    0 10px 10px -5px rgba(14, 165, 233, 0.1);
}

.submit-button:active {
  transform: translateY(0);
}

.submit-button.loading {
  background: linear-gradient(135deg, var(--neutral-400), var(--neutral-500));
  cursor: not-allowed;
}

.submit-button.success {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.submit-button.error {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.button-arrow {
  transition: transform 0.3s ease;
}

.submit-button:hover .button-arrow {
  transform: translateX(3px);
}

/* ===== Trust Indicators ===== */
.trust-indicators {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px;
  font-size: var(--text-sm);
  color: var(--neutral-500);
  margin-bottom: 24px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.separator {
  color: var(--neutral-400);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

/* ===== Migration Note ===== */
.migration-note {
  background: var(--accent-50);
  border: 1px solid var(--accent-200);
  border-radius: 50px;
  padding: 12px 24px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent-700);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.migration-icon {
  font-size: 16px;
}

/* ===== Footer ===== */
.page-footer {
  text-align: center;
  color: var(--neutral-500);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.footer-tagline {
  margin-top: 4px;
  font-weight: 500;
  color: var(--neutral-600);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .main-content {
    padding: 60px 20px 40px;
  }

  /* Enhanced trust badge for mobile */
  .trust-badge {
    margin-bottom: 40px;
  }

  .trust-badge-content {
    flex-direction: row;
    gap: 10px;
    padding: 14px 22px;
    font-size: var(--text-sm);
    border-radius: 40px;
  }

  /* Better hero spacing */
  .hero-title {
    margin-bottom: 28px;
  }

  .title-line-1 {
    margin-bottom: 12px;
  }

  .hero-description {
    font-size: var(--text-lg);
    margin-bottom: 40px;
    padding: 0 8px;
    line-height: var(--leading-loose);
  }

  /* Enhanced feature badges layout */
  .feature-badges {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-bottom: 56px;
  }

  .feature-badge {
    justify-content: center;
    min-width: 300px;
    padding: 14px 24px;
    border-radius: 40px;
    font-size: var(--text-base);
  }

  .feature-badge:hover {
    transform: translateY(-2px);
  }

  /* Enhanced newsletter card */
  .newsletter-card {
    padding: 36px 28px;
    margin: 0 auto 70px;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
  }

  .newsletter-title {
    font-size: var(--text-2xl);
    margin-bottom: 16px;
  }

  .newsletter-subtitle {
    margin-bottom: 28px;
    font-size: var(--text-base);
  }

  /* Enhanced form for mobile */
  .form-group {
    flex-direction: column;
    gap: 18px;
  }

  .email-input {
    padding: 18px 20px;
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
    min-height: 56px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
  }

  .submit-button {
    justify-content: center;
    padding: 18px 32px;
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
    min-height: 56px;
    font-weight: 700;
  }

  /* Better trust indicators */
  .trust-indicators {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
  }

  .trust-item {
    font-size: var(--text-sm);
  }

  /* Enhanced migration note */
  .migration-note {
    padding: 14px 20px;
    border-radius: 40px;
    font-size: var(--text-sm);
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 50px 18px 30px;
  }

  /* Optimized trust badge for small screens */
  .trust-badge {
    margin-bottom: 36px;
  }

  .trust-badge-content {
    padding: 12px 18px;
    font-size: var(--text-xs);
    gap: 8px;
    border-radius: 30px;
  }

  /* Better hero typography */
  .hero-title {
    margin-bottom: 24px;
  }

  .title-line-1 {
    font-size: clamp(2.5rem, 10vw, 4rem);
    margin-bottom: 8px;
  }

  .title-line-2 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .hero-description {
    font-size: var(--text-base);
    margin-bottom: 36px;
    padding: 0 4px;
    line-height: 1.7;
  }

  /* Optimized feature badges */
  .feature-badges {
    gap: 12px;
    margin-bottom: 48px;
  }

  .feature-badge {
    min-width: auto;
    width: 100%;
    max-width: 320px;
    padding: 16px 20px;
    border-radius: 30px;
    font-size: var(--text-sm);
  }

  .feature-text {
    white-space: normal;
    text-align: center;
    font-weight: 600;
  }

  .feature-icon {
    font-size: 20px;
    flex-shrink: 0;
  }

  /* Enhanced newsletter card for small screens */
  .newsletter-card {
    padding: 32px 22px;
    margin: 0 auto 60px;
    border-radius: var(--radius-lg);
  }

  .newsletter-title {
    font-size: var(--text-xl);
    margin-bottom: 14px;
    line-height: var(--leading-tight);
  }

  .newsletter-subtitle {
    font-size: var(--text-sm);
    margin-bottom: 24px;
    line-height: var(--leading-relaxed);
  }

  /* Enhanced form for small screens */
  .form-group {
    gap: 16px;
  }

  .email-input {
    padding: 16px 18px;
    font-size: var(--text-base);
    min-height: 52px;
    border-radius: var(--radius-lg);
  }

  .submit-button {
    padding: 16px 28px;
    font-size: var(--text-base);
    min-height: 52px;
    border-radius: var(--radius-lg);
    font-weight: 700;
  }

  /* Better trust indicators */
  .trust-indicators {
    gap: 8px;
    margin-bottom: 24px;
  }

  .trust-item {
    font-size: var(--text-xs);
  }

  .separator {
    display: none;
  }

  /* Enhanced migration note */
  .migration-note {
    padding: 12px 16px;
    border-radius: 30px;
    font-size: var(--text-xs);
    max-width: 280px;
    margin: 0 auto;
  }

  /* Better footer */
  .page-footer {
    font-size: var(--text-xs);
    padding: 0 8px;
    line-height: var(--leading-relaxed);
  }
}

/* ===== Mobile-specific enhancements ===== */
@media (max-width: 768px) {
  /* Better touch targets */
  .submit-button,
  .email-input {
    -webkit-tap-highlight-color: transparent;
  }

  /* Optimize background for mobile performance */
  .bg-decoration {
    will-change: transform;
  }

  .decoration-blob {
    filter: blur(80px);
    opacity: 0.06;
  }

  /* Enhanced scrolling on mobile */
  body {
    -webkit-overflow-scrolling: touch;
  }

  /* Better focus states for mobile */
  .email-input:focus {
    transform: scale(1.02);
    transition: all 0.2s ease;
  }

  .submit-button:active {
    transform: scale(0.98);
    transition: all 0.1s ease;
  }
}

/* ===== Extra small screens optimization ===== */
@media (max-width: 360px) {
  .main-content {
    padding: 40px 16px 25px;
  }

  .newsletter-card {
    padding: 28px 18px;
    margin: 0 auto 50px;
  }

  .feature-badge {
    max-width: 280px;
    padding: 14px 18px;
  }

  .email-input,
  .submit-button {
    min-height: 48px;
    padding: 14px 16px;
  }

  .title-line-1 {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .title-line-2 {
    font-size: clamp(1.5rem, 10vw, 2.2rem);
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .decoration-blob {
    animation: none;
  }

  .status-dot {
    animation: none;
  }
}

/* ===== Focus Styles for Accessibility ===== */
.submit-button:focus-visible,
.email-input:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* ===== Print Styles ===== */
@media print {
  .bg-decoration,
  .decoration-blob {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .newsletter-card,
  .feature-badge,
  .trust-badge-content {
    background: white;
    border: 1px solid #ccc;
  }
}