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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #ffffff;
  color: #1a1a1a;
  min-height: 100vh;
  padding: 2rem;
}

.gradient-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
  z-index: -1;
  animation: float 20s infinite ease-in-out;
}

.orb-1 {
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.orb-2 {
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, #f093fb, #f5576c);
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.9); }
  75% { transform: translate(20px, 30px) scale(1.05); }
}

/* Removed nav and back-link styles per README TODO */

.container {
  max-width: 800px;
  margin: 0 auto;
}

.header {
  text-align: center;
  margin-bottom: 2rem; /* reduce top spacing */
}

.icon {
  font-size: 5rem;
  margin-bottom: 0;
}

.logo {
  max-width: 160px;
  height: auto;
  display: block;
  margin: 0 auto 16px;
}

.product-intro {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.graph-icon {
  width: 80px;
  height: 80px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.description {
  font-size: 1.25rem;
  color: #666;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* Tighten spacing between ordered list numbers and text on payment page */
.description-list {
  list-style-position: outside; /* use outside markers for consistent alignment */
  padding-left: 1.5rem;         /* minimal indentation to keep number close to text */
  margin: -2rem auto 2rem;      /* align with description blocks, reduce gap above */
  max-width: 600px;
  color: #666;
  font-size: 1.25rem;           /* match paragraph size */
  text-align: left;             /* left-align text inside a centered block */
}

.description-list li {
  text-align: left;             /* ensure item text is left-aligned */
  margin: 0.25rem 0;            /* small vertical spacing between items */
}

.form-card {
  background: white;
  border: 3px solid rgba(102, 126, 234, 0.2);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: 2rem;
}

label {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.75rem;
}

.label-hint {
  font-weight: 400;
  color: #666;
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

textarea {
  width: 100%;
  min-height: 200px;
  padding: 1.25rem;
  font-size: 1.05rem;
  font-family: inherit;
  border: 2px solid rgba(102, 126, 234, 0.2);
  border-radius: 16px;
  resize: vertical;
  transition: all 0.3s;
  background: white;
}

textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

textarea::placeholder {
  color: #999;
}

.submit-btn {
  width: 100%;
  padding: 1.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(102, 126, 234, 0.45);
}

.submit-btn:active {
  transform: translateY(-1px);
}

/* Small button variant for inline minimal actions */
.submit-btn--small {
  display: inline-block;
  width: auto;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(102, 126, 234, 0.3);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.feature-title {
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.25rem;
}

.feature-text {
  color: #666;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .form-card {
    padding: 2rem;
  }

  body {
    padding: 1.5rem;
  }
}