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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #ffffff;
  background: #22242C;
  min-height: 100%;
}

/* Layout Utilities */
.min-h-screen {
  min-height: 100vh;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

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

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

/* Spacing */
.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.py-3 {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.-mt-5
{
  margin-top: -1.5rem;
}

.gap-4 {
  gap: 1rem;
}

/* Z-index */
.z-10 {
  z-index: 10;
}

/* Width */
.w-24 {
  width: 6rem;
}

.w-full {
  width: 100%;
}

.max-w-sm {
  max-width: 24rem;
}

.max-w-xl {
  max-width: 36rem;
}

.max-w-3xl {
  max-width: 48rem;
}

/* Typography */
.text-xl {
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.text-md {
  font-size: 1rem;
  line-height: 1.5rem;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}

.font-medium {
  font-weight: 500;
}

/* Text Colors */
.text-gray-300 {
  color: #d1d5db;
}

.text-gray-400 {
  color: #9ca3af;
}

.text-gray-500 {
  color: #6b7280;
}

/* Border */
.border {
  border-width: 1px;
}

.border-gray-700 {
  border-color: #374151;
}

.border-white\/10 {
  border-color: rgba(255, 255, 255, 0.1);
}

.rounded-md {
  border-radius: 0.375rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

/* Background */
.bg-gray-800 {
  background-color: #1f2937;
}

.bg-blue-600 {
  background-color: #2563eb;
}

/* Shadow */
.shadow-2xl {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Form Elements */
input[type="email"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  background-color: #1f2937;
  color: #ffffff;
  border: 1px solid #374151;
  outline: none;
  transition: all 0.2s;
}

input[type="email"]::placeholder {
  color: #6b7280;
}

input[type="email"]:focus {
  outline: none;
  box-shadow: 0 0 0 2px #2563eb;
}

button {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  background-color: #2563eb;
  color: #ffffff;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #1d4ed8;
}

/* Honeypot */
.left-\[-9999px\] {
  left: -9999px;
}

/* Animations */
.fade-in {
  animation: fadeIn 1.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

.animate-fadeInImage {
  opacity: 0;
  transform: scale(0.98);
  animation: fadeInImage 1.8s ease-out forwards;
}

@keyframes fadeInImage {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Particles */
.particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  opacity: 0;
  background: white;
  will-change: transform, opacity;
}

@keyframes floatUp {
  0% {
    transform: translateY(0) scale(0.5);
    opacity: 0;
  }
  10% {
    transform: translateY(-50px) scale(0.7);
    opacity: 0.18;
  }
  50% {
    transform: translateY(-200px) scale(1);
    opacity: 0.28;
  }
  90% {
    transform: translateY(-400px) scale(1.1);
    opacity: 0.10;
  }
  100% {
    transform: translateY(-500px) scale(1.2);
    opacity: 0;
  }
}

/* Responsive Typography */
@media (min-width: 768px) {
  .md\:text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
  }

  .md\:text-lg {
    font-size: 1.125rem;
    line-height: 1.75rem;
  }

  .md\:w-32 {
    width: 8rem;
  }
}

/* Accessibility */
[aria-hidden="true"] {
  display: none;
}

/* Additional Typography */
.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}

.font-bold {
  font-weight: 700;
}

/* Additional Spacing */
.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.mt-8 {
  margin-top: 2rem;
}

/* Link Styles */
.inline-block {
  display: inline-block;
}

.btn-back {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.75rem 1.5rem;
  background-color: #2563eb;
  color: #ffffff;
  font-weight: 500;
  border-radius: 0.375rem;
  text-decoration: none;
  transition: background-color 0.2s;
}

.btn-back:hover {
  background-color: #1d4ed8;
}

/* Responsive Typography - Thanks Page */
@media (min-width: 768px) {
  .md\:text-5xl {
    font-size: 3rem;
    line-height: 1;
  }

  .md\:text-xl {
    font-size: 1.25rem;
    line-height: 1.75rem;
  }

  .md\:w-28 {
    width: 7rem;
  }
}

/* Overflow */
.overflow-hidden {
  overflow: hidden;
}

/* Max Width */
.max-w-lg {
  max-width: 32rem;
}

/* Lightbox */
.preview-clickable {
  cursor: zoom-in;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.preview-clickable:hover {
  transform: scale(1.02);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.4);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  backdrop-filter: blur(0px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  cursor: zoom-out;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: #fff;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
  line-height: 1;
}

.lightbox-close:hover {
  opacity: 1;
  transform: scale(1.1);
}


/* --- Base helpers (optional but nice) --- */
:root{
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --cyan-200: #a5f3fc;
  --cyan-400: #22d3ee;

  --bg-white-05: rgba(255,255,255,.05);
  --border-white-10: rgba(255,255,255,.10);

  --bg-cyan-10: rgba(34,211,238,.10);
  --border-cyan-30: rgba(34,211,238,.30);
}

* { box-sizing: border-box; }

/* --- Layout / spacing --- */
.max-w-xl { max-width: 36rem; }      /* ~576px */
.mb-6 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1rem; }

/* --- Typography --- */
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-md { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }

.text-gray-200 { color: var(--gray-200); }
.text-gray-300 { color: var(--gray-300); }
.text-cyan-200 { color: var(--cyan-200); }

.leading-relaxed { line-height: 1.625; }

/* Responsive: md:text-lg */
@media (min-width: 768px){
  .md\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
}

/* --- Flex utilities --- */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }

/* --- Chip styles --- */
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }

.rounded-full { border-radius: 9999px; }

.border { border-width: 1px; border-style: solid; }

.bg-white\/5 { background: var(--bg-white-05); }
.border-white\/10 { border-color: var(--border-white-10); }

.bg-cyan-500\/10 { background: var(--bg-cyan-10); }
.border-cyan-400\/30 { border-color: var(--border-cyan-30); }